* Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time
From: Kirill A. Shutemov @ 2010-12-30 8:51 UTC (permalink / raw)
To: Rob Landley
Cc: Kirill A. Shutemov, Trond Myklebust, J. Bruce Fields, Neil Brown,
Pavel Emelyanov, linux-nfs, David S. Miller, netdev, linux-kernel
In-Reply-To: <AANLkTi=AXz21wDeE1vPVD-6cEtj6faXN9x09eHDCsTkB@mail.gmail.com>
On Wed, Dec 29, 2010 at 08:13:50PM -0600, Rob Landley wrote:
> On Wed, Dec 29, 2010 at 7:14 AM, Kirill A. Shutemov <kas@openvz.org> wrote:
> >
> > Prepare nfs/sunrpc stack to use multiple instances of rpc_pipefs.
> > Only for client for now.
>
> What would a test case for this look like? (Is there some way to tell
> an nfs mount to use a specific instance of rpc_pipefs or something?)
You can create a new instance of rpc_pipefs using 'newinstance'
mountoption.
Then you can specify which rpc_pipefs to use with 'rpcmount' mountoption
of nfs mount. If none specifed, '/var/lib/nfs/rpc_pipefs' uses by default.
If no rpcmount mountoption, no rpc_pipefs was found at
'/var/lib/nfs/rpc_pipefs' and we are in init's mount namespace, we use
init_rpc_pipefs.
--
Kirill A. Shutemov
^ permalink raw reply
* Re: [PATCH] mac80211: fix mesh forwarding when ratelimited too
From: Johannes Berg @ 2010-12-30 8:53 UTC (permalink / raw)
To: Milton Miller
Cc: John W. Linville, Javier Cardona, David S. Miller, linux-wireless,
netdev, linux-kernel
In-Reply-To: <mac80211-rx-ratelimit-goto@mdm.bga.com>
On Thu, 2010-12-30 at 02:01 -0600, Milton Miller wrote:
> Commit b51aff057c9d0ef6c529dc25fd9f775faf7b6c63 said:
>
> Under memory pressure, the mac80211 mesh code
> may helpfully print a message that it failed
> to clone a mesh frame and then will proceed
> to crash trying to use it anyway. Fix that.
>
> Avoid the reference whenever the frame copy is unsuccessful
> regardless of the debug message being suppressed or printed.
>
> Cc: stable@kernel.org [2.6.27+]
> Signed-off-by: Milton Miller <miltonm@bga.com>
> ---
> I chose a seperate if vs nesting the ratelimit check to avoid shifting
> the printk further to the right.
>
> diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
> index b01e467..e98668f 100644
> --- a/net/mac80211/rx.c
> +++ b/net/mac80211/rx.c
> @@ -1788,11 +1788,11 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
>
> fwd_skb = skb_copy(skb, GFP_ATOMIC);
>
> - if (!fwd_skb && net_ratelimit()) {
> + if (!fwd_skb && net_ratelimit())
> printk(KERN_DEBUG "%s: failed to clone mesh frame\n",
> sdata->name);
> + if (!fwd_skb)
> goto out;
> - }
Oops, good catch! Thanks.
johannes
^ permalink raw reply
* Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time
From: Rob Landley @ 2010-12-30 9:10 UTC (permalink / raw)
To: Kirill A. Shutemov
Cc: Rob Landley, Trond Myklebust, J. Bruce Fields, Neil Brown,
Pavel Emelyanov, linux-nfs-u79uwXL29TY76Z2rM5mHXA,
David S. Miller, netdev-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
In-Reply-To: <20101230085139.GA29697-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>
On 12/30/2010 02:51 AM, Kirill A. Shutemov wrote:
> On Wed, Dec 29, 2010 at 08:13:50PM -0600, Rob Landley wrote:
>> On Wed, Dec 29, 2010 at 7:14 AM, Kirill A. Shutemov<kas-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> wrote:
>>>
>>> Prepare nfs/sunrpc stack to use multiple instances of rpc_pipefs.
>>> Only for client for now.
>>
>> What would a test case for this look like? (Is there some way to tell
>> an nfs mount to use a specific instance of rpc_pipefs or something?)
>
> You can create a new instance of rpc_pipefs using 'newinstance'
> mountoption.
>
> Then you can specify which rpc_pipefs to use with 'rpcmount' mountoption
> of nfs mount. If none specifed, '/var/lib/nfs/rpc_pipefs' uses by default.
That path is as the process performing the mount sees it?
> If no rpcmount mountoption, no rpc_pipefs was found at
> '/var/lib/nfs/rpc_pipefs' and we are in init's mount namespace, we use
> init_rpc_pipefs.
It's the "we are in init's mount namespace" that I was wondering about.
So if I naievely chroot, nfs mount stops working the way it did before I
chrooted unless I do an extra setup step?
I'm actually poking at getting nfs mount working in LXC containers with
different network routing (mostly study so far, it took me a couple
weeks just to get lxc to work for me and now I'm trying to wrap my head
around Linux's NFS implementation), so I'm very interested in this...
Rob
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^ permalink raw reply
* Re: [PATCH v4] Gemini: Gigabit ethernet driver
From: Joe Perches @ 2010-12-30 9:19 UTC (permalink / raw)
To: Michał Mirosław
Cc: Hans Ulli Kroll, gemini-board-dev, netdev, Christoph Biedl
In-Reply-To: <20101230083905.5A8EB13909@rere.qmqm.pl>
On Thu, 2010-12-30 at 09:39 +0100, Michał Mirosław wrote:
> Driver for SL351x (Gemini) SoC ethernet peripheral. Based in part
> on work by Paulius Zaleckas and GPLd code from Raidsonic and other
> NAS vendors.
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
> diff --git a/drivers/net/sl351x.c b/drivers/net/sl351x.c
Output trivia:
> +static void gmac_tx_interrupt(struct net_device *dev, unsigned txq_num)
[]
> + netif_info(gmac, tx_done, dev, "txirq%u: %u,%u,%u\n",
> + txq_num, txq->cptr, GET_RPTR(ptr_reg), GET_WPTR(ptr_reg));
pointers as decimal?
There seems to be a lot of output using %u where I expected %08x.
> +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
[]
> + netif_info(gmac, tx_queued, dev, "txq%u: %u,%u,%u ? %p (%u @ %p) /%u\n",
> + txq_num, txq->cptr, GET_RPTR(ptr_reg), GET_WPTR(ptr_reg),
> + skb, skb->len, skb->data, skb_shinfo(skb)->gso_size);
[]
> + netif_info(gmac, tx_queued, dev, "txq%u: %u,%u,%u + %p\n",
> + txq_num, txq->cptr, GET_RPTR(ptr_reg), w, skb);
[]
> +static unsigned gmac_rx(struct net_device *dev, unsigned budget)
[]
> + netif_info(gmac, rx_status, dev, "rxq: %u,%u\n",
> + GET_RPTR(ptr_reg), GET_WPTR(ptr_reg));
etc...
^ permalink raw reply
* Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time
From: Kirill A. Shutemov @ 2010-12-30 9:44 UTC (permalink / raw)
To: Rob Landley
Cc: Rob Landley, Trond Myklebust, J. Bruce Fields, Neil Brown,
Pavel Emelyanov, linux-nfs-u79uwXL29TY76Z2rM5mHXA,
David S. Miller, netdev-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
In-Reply-To: <4D1C4C7C.6050606-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
On Thu, Dec 30, 2010 at 03:10:20AM -0600, Rob Landley wrote:
> On 12/30/2010 02:51 AM, Kirill A. Shutemov wrote:
> > On Wed, Dec 29, 2010 at 08:13:50PM -0600, Rob Landley wrote:
> >> On Wed, Dec 29, 2010 at 7:14 AM, Kirill A. Shutemov<kas-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> wrote:
> >>>
> >>> Prepare nfs/sunrpc stack to use multiple instances of rpc_pipefs.
> >>> Only for client for now.
> >>
> >> What would a test case for this look like? (Is there some way to tell
> >> an nfs mount to use a specific instance of rpc_pipefs or something?)
> >
> > You can create a new instance of rpc_pipefs using 'newinstance'
> > mountoption.
> >
> > Then you can specify which rpc_pipefs to use with 'rpcmount' mountoption
> > of nfs mount. If none specifed, '/var/lib/nfs/rpc_pipefs' uses by default.
>
> That path is as the process performing the mount sees it?
Yep.
> > If no rpcmount mountoption, no rpc_pipefs was found at
> > '/var/lib/nfs/rpc_pipefs' and we are in init's mount namespace, we use
> > init_rpc_pipefs.
>
> It's the "we are in init's mount namespace" that I was wondering about.
>
> So if I naievely chroot, nfs mount stops working the way it did before I
> chrooted unless I do an extra setup step?
No. It will work as before since you are still in init's mount namespace.
Creating new mount namespace changes rules.
> I'm actually poking at getting nfs mount working in LXC containers with
> different network routing (mostly study so far, it took me a couple
> weeks just to get lxc to work for me and now I'm trying to wrap my head
> around Linux's NFS implementation), so I'm very interested in this...
--
Kirill A. Shutemov
--
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^ permalink raw reply
* Re: [PATCH v4] Gemini: Gigabit ethernet driver
From: Michał Mirosław @ 2010-12-30 9:48 UTC (permalink / raw)
To: Joe Perches; +Cc: Hans Ulli Kroll, gemini-board-dev, netdev, Christoph Biedl
In-Reply-To: <1293700797.2400.13.camel@Joe-Laptop>
On Thu, Dec 30, 2010 at 01:19:57AM -0800, Joe Perches wrote:
> On Thu, 2010-12-30 at 09:39 +0100, Michał Mirosław wrote:
> > Driver for SL351x (Gemini) SoC ethernet peripheral. Based in part
> > on work by Paulius Zaleckas and GPLd code from Raidsonic and other
> > NAS vendors.
> > Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
> > diff --git a/drivers/net/sl351x.c b/drivers/net/sl351x.c
>
> Output trivia:
>
> > +static void gmac_tx_interrupt(struct net_device *dev, unsigned txq_num)
> []
> > + netif_info(gmac, tx_done, dev, "txirq%u: %u,%u,%u\n",
> > + txq_num, txq->cptr, GET_RPTR(ptr_reg), GET_WPTR(ptr_reg));
>
> pointers as decimal?
> There seems to be a lot of output using %u where I expected %08x.
These are indexes into TX/RX/RXbuf(FreeQ) rings. It's usually easier to read
them in decimal by humans. ;) I kept the notation of 'PTR' from the original
hardware register names.
Best Regards,
Michał Mirosław
^ permalink raw reply
* Re: Re: dm9000 patch
From: Angelo Dureghello @ 2010-12-30 9:53 UTC (permalink / raw)
To: Greg Ungerer
Cc: Baruch Siach, uClinux development list, netdev, linux-m68k,
linux-kernel
In-Reply-To: <4D1BD461.4070104@snapgear.com>
[-- Attachment #1.1: Type: text/plain, Size: 16981 bytes --]
Hi all,
Joe,
about the debug line inside dm9000_interrupt,
//dm9000_dbg(db, 3, "entering %s\n", __func__);
nothing change, first browsing attempt crashed the board with the same
call stack trace:
[ 4.660000] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
[ 54.340000] BUG: spinlock recursion on CPU#0, swapper/0
[ 54.340000] lock: 00191244, .magic: dead4ead, .owner: swapper/0,
.owner_cpu: 0
[ 54.340000] Stack from 001a1b44:
[ 54.340000] 001a1b70 000ad968 0018409b 00191244 dead4ead
0018d7a8 00000000 00000000
[ 54.340000] 00191244 0002b4ea 0014d190 001a1ba4 000adb3a
00191244 00184101 00191244
[ 54.340000] 001a1c98 0000001f 0014d15e ffffffe3 00191208
0002b4ea 0014d190 0002caf6
[ 54.340000] 001a1bb0 0014d1ac 00191244 001a1bdc 0002b602
00191244 0000001f 001a1c98
[ 54.340000] 0000001f 0014d15e 00191244 0002b4ea 0014d190
0002caf6 001a1bf0 00000bb6
[ 54.340000] 0000001f 00191244 00cfc6c0 001a1c38 000033c6
0000001f 001a1c00 00000001
[ 54.340000] Call Trace:
[ 54.340000] [000ad968] spin_bug+0x86/0x11a
[ 54.340000] [000adb3a] do_raw_spin_lock+0x58/0x120
[ 54.340000] [0014d1ac] _raw_spin_lock+0x1c/0x22
[ 54.340000] [0002b602] __do_IRQ+0x2c/0x108
[ 54.340000] [00000bb6] do_IRQ+0x48/0x62
[ 54.340000] [000033c6] inthandler+0x6a/0x74
[ 54.340000] [0014d16c] _raw_spin_unlock+0xe/0x32
[ 54.340000] [0002b6d2] __do_IRQ+0xfc/0x108
[ 54.340000] [00000bb6] do_IRQ+0x48/0x62
[ 54.340000] [000033c6] inthandler+0x6a/0x74
[ 54.340000] [00130f66] tcp_v4_conn_request+0x3fa/0x57c
[ 54.340000] [0012a1a6] tcp_rcv_state_process+0x25e/0xa66
[ 54.340000] [00130984] tcp_v4_do_rcv+0x7c/0x1c8
[ 54.340000] [00132834] tcp_v4_rcv+0x546/0x6d2
Greg,
i phisically connected the HW interrupt pin of dm9000 to MCF5307 IRQ7
pin (pin68). dm9000 is configured (through a resistor to3.3V on pin 57)
not as default, but to act with HIGH to LOW interrupt edge, as MCF5307
understand, and the interrupt line is pulled up to 3.3V to avoid flickering.
PULL UP RES to 3.3V
dm9000 | |
IRQ |---------+-------------------| MCCF5307 PIN 68 (IRQ7)
IRQ 7 is the "level 7" autovectored interrupt (vect 31 dec).
Checking well the MCF5307 datasheet i have seen that "level 7" interrupt
i casually choosed seems to be a special level:
/18.7.1 Level 7 Interrupts
Level 7 interrupts are nonmaskable and are handled differently than
other interrupts.
Level 7 interrupts are edge triggered by a transition from a lower
priority request to the
level 7 request. Interrupts at all other levels are level sensitive.
Therefore, if IRQ7 remains
asserted, the MCF5307 recognizes only one level 7 interrupt because only
one transition
from a lower level request to a level 7 request occurred. For the
processor to
recognize two consecutive level 7 interrupts, one of the following must
occur:
1) The interrupt request on the interrupt control pins is raised to
level 7 and stays there
until an interrupt-acknowledge cycle begins. The level later drops but
then returns to
level 7, causing a second transition on the interrupt control lines.
2) The interrupt request on the interrupt control pins is raised to
level 7 and stays there.
If the level 7 interrupt routine lowers the mask level, a second level 7
interrupt is
recognized without a transition of the interrupt control pins. After the
level 7 routine
completes, the MCF5307 compares the mask level to the request level on
the IRQx
signals. Because the mask level is lower than the requested level, the
interrupt mask
is set back to level 7. To ensure it is recognized, the level 7 request
on IRQ7 must be
held until the second interrupt-acknowledge bus cycle begins./
I guess i can try to use another IRQ line, for example IRQ1 and see what
happen. Let me know your thought and i can try right now to hw wire up
the fix.
still many thanks,
regards,
angelo
On 30/12/2010 01:37, Greg Ungerer wrote:
> Hi Angelo,
>
> On 30/12/10 06:57, Angelo Dureghello wrote:
>> Hi all,
>> thanks for the help,
>> the kernel is a main line kernel. Then yes, i am still using uclinux
>> tree for libc/tools.
>
> How is the DM9000 hardware connected to the 5307?
> I am wondering how you connected the interrupt (and to
> which interrupt) and the addressing (direct of a chip select)?
>
> (For example NETtel based 5307 platform support of the SMC91x code is
> in mainline as arch/m68knommu/platform/5307/nettel.c). Can you show
> the code you used to setup your dm9000 hardware?
> (Specifically I guess I want to know if you use the "auto-vectored"
> interrupt mode?)
>
> Thanks
> Greg
>
>
>> I collected another spinlock recursion with a slightly different call
>> stack trace, as always, the spinlock recursion issue happen on a high
>> tx/rx traffic of the dm9000e, in this case just asking an index.html
>> with some images and texts:
>>
>> [ 1108.930000] BUG: spinlock recursion on CPU#0, httpd/29
>> [ 1108.930000] lock: 00c42c06, .magic: dead4ead, .owner: httpd/29,
>> .owner_cpu: 0
>> [ 1108.930000] Stack from 00d7a688:
>> [ 1108.930000] 00d7a6b4 000ad988 001840ca 00c42c06 dead4ead 00d641d4
>> 0000001d 00000000
>> [ 1108.930000] 00c42c06 000064f0 00c42800 00d7a6e8 000adb5a 00c42c06
>> 00184130 00002704
>> [ 1108.930000] 00000000 0000001f 0014d17e 00159912 00c42b60 000064f0
>> 00c42800 0002cb16
>> [ 1108.930000] 00d7a6f8 0014d24e 00c42c06 00000000 00d7a738 000e485c
>> 00c42c06 00000000
>> [ 1108.930000] 00000000 0000001f 0014d17e 00159912 0000004a 00cfc600
>> 000064f0 00009a74
>> [ 1108.930000] 0002cb16 00191204 00d7a760 0002b6f2 00d7a760 0002b514
>> 0000001f 00c42800
>> [ 1108.930000] Call Trace:
>> [ 1108.930000] [000ad988] spin_bug+0x86/0x11a
>> [ 1108.930000] [000adb5a] do_raw_spin_lock+0x58/0x120
>> [ 1108.930000] [0014d24e] _raw_spin_lock_irqsave+0x28/0x32
>> [ 1108.930000] [000e485c] dm9000_interrupt+0x1a/0x2e0
>> [ 1108.930000] [0002b514] handle_IRQ_event+0x2a/0xec
>> [ 1108.930000] [0002b680] __do_IRQ+0xaa/0x128
>> [ 1108.930000] [00000bb6] do_IRQ+0x48/0x62
>> [ 1108.930000] [000033c6] inthandler+0x6a/0x74
>> [ 1108.930000] [000fb626] dev_hard_start_xmit+0x170/0x4c4
>> [ 1108.930000] [0010b80e] sch_direct_xmit+0xc0/0x1bc
>> [ 1108.930000] [000fe9de] dev_queue_xmit+0x160/0x3e6
>> [ 1108.930000] [001195c4] ip_finish_output+0xec/0x320
>> [ 1108.930000] [0011a768] ip_output+0x9e/0xa8
>> [ 1108.930000] [00119856] ip_local_out+0x26/0x30
>> [ 1108.930000] [0011a56e] ip_build_and_send_pkt+0x16e/0x178
>> [ 1108.930000] [0012fc96] tcp_v4_send_synack+0x52/0x90
>> [ 1108.930000] [00130f86] tcp_v4_conn_request+0x3fa/0x57c
>> [ 1108.930000] [0012a1c6] tcp_rcv_state_process+0x25e/0xa66
>> [ 1108.930000] [001309a4] tcp_v4_do_rcv+0x7c/0x1c8
>> [ 1108.930000] [00132854] tcp_v4_rcv+0x546/0x6d2
>> [ 1108.930000] [001153a8] ip_local_deliver+0x9c/0x1b0
>> [ 1108.930000] [001158e8] ip_rcv+0x42c/0x5f0
>> [ 1108.930000] [000fa74e] __netif_receive_skb+0x196/0x2ec
>> [ 1108.930000] [000fe142] process_backlog+0x72/0x11e
>> [ 1108.930000] [000fe290] net_rx_action+0xa2/0x150
>> [ 1108.930000] [0000e13c] __do_softirq+0x74/0xe4
>> [ 1108.930000] [0000e1e2] do_softirq+0x36/0x40
>> [ 1108.930000] [0000e6c6] local_bh_enable+0x7a/0xa4
>> [ 1108.930000] [000fe972] dev_queue_xmit+0xf4/0x3e6
>> [ 1108.930000] [001195c4] ip_finish_output+0xec/0x320
>> [ 1108.930000] [0011a768] ip_output+0x9e/0xa8
>> [ 1108.930000] [00119856] ip_local_out+0x26/0x30
>> [ 1108.930000] [0011a90a] ip_queue_xmit+0x198/0x426
>> [ 1108.930000] [0012bcc8] tcp_transmit_skb+0x3f0/0x76c
>> [ 1108.930000] [0012cfda] tcp_write_xmit+0x178/0x868
>> [ 1108.930000] [0012d6f8] __tcp_push_pending_frames+0x2e/0x9a
>> [ 1108.930000] [001222be] tcp_sendmsg+0x82e/0x98c
>> [ 1108.930000] [0013d9c0] inet_sendmsg+0x32/0x54
>> [ 1108.930000] [000ec25e] sock_aio_write+0xc8/0x138
>> [ 1108.930000] [00043e7e] do_sync_write+0x9e/0xfe
>> [ 1108.930000] [00043f56] vfs_write+0x78/0x84
>> [ 1108.930000] [0004446c] sys_write+0x40/0x7a
>> [ 1108.930000] [00003244] system_call+0x84/0xc2
>> [ 1108.930000]
>>
>> seems like while i transmit a packet, dm9000_interrupt try to acquire
>> the spinlock owned from the same task.
>>
>> Compiling the kernel i am getting:
>> CC kernel/irq/handle.o
>> kernel/irq/handle.c:432:3: warning: #warning __do_IRQ is deprecated.
>> Please convert to proper flow handlers
>>
>> Could the usage of __do_IRQ super-handler be a cause of the issue ?
>>
>>
>> many thanks,
>> angelo
>>
>> On 29/12/2010 19:45, Geert Uytterhoeven wrote:
>>> On Wed, Dec 29, 2010 at 19:06, Baruch Siach<baruch@tkos.co.il> wrote:
>>>> Hi Angelo,
>>>>
>>>> On Wed, Dec 29, 2010 at 02:13:22PM +0100, Angelo Dureghello wrote:
>>>>> just FYI, i tested kernel 2.6.36.2, unfortunately the issue is still
>>>>> there, below the call stack trace.
>>>> Help from the m68k experts seems to be needed. Adding the relevant
>>>> list to Cc.
>>> This is uClinux? Added Cc...
>>>
>>>>> [ 4.620000] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
>>>>> [ 39.390000] BUG: spinlock recursion on CPU#0, httpd/29
>>>>> [ 39.390000] lock: 00189c44, .magic: dead4ead, .owner: httpd/29,
>>>>> .owner_cpu: 0
>>>>> [ 39.390000] Stack from 00d6a990:
>>>>> [ 39.390000] 00d6a9bc 000a9710 0017cac7 00189c44 dead4ead
>>>>> 00de48f4 0000001d 00000000
>>>>> [ 39.390000] 00189c44 0002a646 00145f70 00d6a9f0 000a98e2
>>>>> 00189c44 0017cb2d 00189c44
>>>>> [ 39.390000] 00d6aad8 0000001f 00145f5c 001523f6 00189c08
>>>>> 0002a646 00145f70 0002bc52
>>>>> [ 39.390000] 00d6a9fc 00145f7e 00189c44 00d6aa28 0002a75e
>>>>> 00189c44 0000001f 00d6aad8
>>>>> [ 39.390000] 0000001f 00145f5c 00189c08 0002a646 00145f70
>>>>> 0002bc52 00d6aa3c 00000bb6
>>>>> [ 39.390000] 0000001f 00189c44 00cfc780 00d6aa84 0000337a
>>>>> 0000001f 00d6aa4c 00000001
>>>>> [ 39.390000] Call Trace:
>>>>> [ 39.390000] [000a9710] spin_bug+0x86/0x11a
>>>>> [ 39.390000] [000a98e2] do_raw_spin_lock+0x58/0x120
>>>>> [ 39.390000] [00145f7e] _raw_spin_lock+0xe/0x14
>>>>> [ 39.390000] [0002a75e] __do_IRQ+0x2c/0x108
>>>>> [ 39.390000] [00000bb6] do_IRQ+0x48/0x62
>>>>> [ 39.390000] [0000337a] inthandler+0x6a/0x74
>>>>> [ 39.390000] [0002a82e] __do_IRQ+0xfc/0x108
>>>>> [ 39.390000] [00000bb6] do_IRQ+0x48/0x62
>>>>> [ 39.390000] [0000337a] inthandler+0x6a/0x74
>>>>> [ 39.390000] [000ef0ce] skb_release_all+0x10/0x20
>>>>> [ 39.390000] [000ee6bc] __kfree_skb+0x10/0x92
>>>>> [ 39.390000] [000ee75e] consume_skb+0x20/0x34
>>>>> [ 39.390000] [000e004e] dm9000_start_xmit+0xdc/0xec
>>>>> [ 39.390000] [000f67a2] dev_hard_start_xmit+0x146/0x472
>>>>> [ 39.390000] [00106506] sch_direct_xmit+0xc0/0x1bc
>>>>> [ 39.390000] [000f9914] dev_queue_xmit+0x160/0x3e4
>>>>> [ 39.390000] [00113b3e] ip_finish_output+0xee/0x318
>>>>> [ 39.390000] [001142b4] ip_output+0x7c/0x88
>>>>> [ 39.390000] [00113dc6] ip_local_out+0x26/0x30
>>>>> [ 39.390000] [00114d9a] ip_queue_xmit+0x152/0x374
>>>>> [ 39.390000] [00125c8c] tcp_transmit_skb+0x3f0/0x732
>>>>> [ 39.390000] [00126f26] tcp_write_xmit+0x178/0x868
>>>>> [ 39.390000] [00127644] __tcp_push_pending_frames+0x2e/0x9a
>>>>> [ 39.390000] [0011c3d6] tcp_sendmsg+0x82e/0x98c
>>>>> [ 39.390000] [00137544] inet_sendmsg+0x32/0x54
>>>>> [ 39.390000] [000e79a6] sock_aio_write+0xc8/0x138
>>>>> [ 39.390000] [00042590] do_sync_write+0x9e/0xfe
>>>>> [ 39.390000] [00042668] vfs_write+0x78/0x84
>>>>> [ 39.390000] [00042a92] sys_write+0x40/0x7a
>>>>> [ 39.390000] [00003224] system_call+0x84/0xc2
>>>>> [ 39.390000]
>>>>>
>>>>> dm9000e is as default not visible/selectable in menuconfig for
>>>>> Coldfire architectures, so this probably cannot be considered as a
>>>>> kernel bug.
>>>>>
>>>>> I going forward in investigations, every help is appreciated,
>>>>>
>>>>> regards,
>>>>> angelo
>>>>>
>>>>>
>>>>>
>>>>> On 29/12/2010 07:06, Baruch Siach wrote:
>>>>>> Hi Angelo,
>>>>>>
>>>>>> On Tue, Dec 28, 2010 at 10:52:42PM +0100, Angelo Dureghello wrote:
>>>>>>> sorry to contact you directly but i couldn't get any help from the
>>>>>>> kernel.org mailing list, since i am not a developer my mails are
>>>>>>> generally skipped.
>>>>>> The best way to get the contact info for a piece of kernel code, is
>>>>>> using the
>>>>>> get_maintainer.pl script. Running 'scripts/get_maintainer.pl -f
>>>>>> drivers/net/dm9000.c' gives the following output:
>>>>>>
>>>>>> netdev@vger.kernel.org
>>>>>> linux-kernel@vger.kernel.org
>>>>>>
>>>>>> I added both to Cc.
>>>>>>
>>>>>>> I am very near to have a custom board working with MCF5307 cpu and
>>>>>>> dm9000.
>>>>>>> I am using kernel 2.6.36-rc3 with your last patch about
>>>>>>> spinlock-recursion already included.
>>>>>> You should try to update to the latest .36 kernel, which is
>>>>>> currently
>>>>>> 2.6.36.2. The problem that you experience might be unrelated to the
>>>>>> dm9000
>>>>>> driver (or to networking at all), so it might have been fixed in
>>>>>> this version.
>>>>>>
>>>>>>> I have "ping" and "telnet" to the embedded board fully working.
>>>>>>> If i try to get a sample web page with some images from the board
>>>>>>> httpd with a browser, in 80% of cases i get a trap/oops:
>>>>>> Try to enable KALLSYMS in your kernel .config to make your stack
>>>>>> trace more
>>>>>> meaningful. This is under 'General setup -> Configure standard
>>>>>> kernel features
>>>>>> (for small systems) -> Load all symbols for debugging/ksymoops'.
>>>>>>
>>>>>> I hope this helps.
>>>>>>
>>>>>> baruch
>>>>>>
>>>>>>> [ 4.590000] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
>>>>>>> [ 67.630000] BUG: spinlock recursion on CPU#0, httpd/29
>>>>>>> [ 67.630000] lock: 00c42c06, .magic: dead4ead, .owner: httpd/29,
>>>>>>> .owner_cpu: 0
>>>>>>> [ 67.630000] Stack from 00d7b914:
>>>>>>> [ 67.630000] 00d7b940 000a8cf0 0015f693 00c42c06 dead4ead
>>>>>>> 00dec1d4 0000001d 00000000
>>>>>>> [ 67.630000] 00c42c06 00006188 00c42800 00d7b974 000a8ec2
>>>>>>> 00c42c06 0015f6f9 00002704
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 00c42b60
>>>>>>> 00006188 00c42800 0002b312
>>>>>>> [ 67.630000] 00d7b984 0014701e 00c42c06 00000000 00d7b9c4
>>>>>>> 000df21c 00c42c06 00000000
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 000005ea
>>>>>>> 00cfc640 00006188 000096e8
>>>>>>> [ 67.630000] 0002b312 00146fa4 00c42b60 00002704 00d7b9ec
>>>>>>> 00029d3a 0000001f 00c42800
>>>>>>> [ 67.630000] Call Trace:
>>>>>>> [ 67.630000] [000a8cf0] [000a8ec2] [0014701e] [000df21c] [00029d3a]
>>>>>>> [ 67.630000] [00029e84] [00000bb6] [0000336e] [000df162] [000effd6]
>>>>>>> [ 67.630000] [00100482] [000f312e] [000f9ebc] [0010dd2a] [0010e4a0]
>>>>>>> [ 67.630000] [0010dfb2] [0010ef80] [0011fed6] [00121170] [0012188e]
>>>>>>> [ 67.630000] [0011ecc6] [001249fe] [000e4084] [0011621c] [00131a44]
>>>>>>> [ 67.630000] [000e11ee] [00041944] [00041a1c] [00041e46] [00003218]
>>>>>>> [ 67.630000] BUG: spinlock lockup on CPU#0, httpd/29, 00c42c06
>>>>>>> [ 67.630000] Stack from 00d7b934:
>>>>>>> [ 67.630000] 00d7b974 000a8f66 0015f703 00000000 00dec1d4
>>>>>>> 0000001d 00c42c06 00002704
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 00c42b60
>>>>>>> 00006188 00c42800 0002b312
>>>>>>> [ 67.630000] 00d7b984 0014701e 00c42c06 00000000 00d7b9c4
>>>>>>> 000df21c 00c42c06 00000000
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 000005ea
>>>>>>> 00cfc640 00006188 000096e8
>>>>>>> [ 67.630000] 0002b312 00146fa4 00c42b60 00002704 00d7b9ec
>>>>>>> 00029d3a 0000001f 00c42800
>>>>>>> [ 67.630000] 0016c1b4 00cfc640 0000001f 0016c178 00029d10
>>>>>>> 00146fb8 00d7ba20 00029e84
>>>>>>> [ 67.630000] Call Trace:
>>>>>>> [ 67.630000] [000a8f66] [0014701e] [000df21c] [00029d3a] [00029e84]
>>>>>>> [ 67.630000] [00000bb6] [0000336e] [000df162] [000effd6] [00100482]
>>>>>>> [ 67.630000] [000f312e] [000f9ebc] [0010dd2a] [0010e4a0] [0010dfb2]
>>>>>>> [ 67.630000] [0010ef80] [0011fed6] [00121170] [0012188e] [0011ecc6]
>>>>>>> [ 67.630000] [001249fe] [000e4084] [0011621c] [00131a44] [000e11ee]
>>>>>>> [ 67.630000] [00041944] [00041a1c] [00041e46] [00003218]
>>>>>>>
>>>>>>> As i said, i was hoping in your patch but i sadly discovered it is
>>>>>>> already included in this kernel version.
>>>>>>> Hope you can give me some help or can forward me to an appropriate
>>>>>>> mailing list.
>>>> --
>>>> ~. .~ Tk Open Systems
>>>> =}------------------------------------------------ooO--U--Ooo------------{=
>>>>
>>>>
>>>> - baruch@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
>>>> --
>>>> To unsubscribe from this list: send the line "unsubscribe
>>>> linux-kernel" in
>>>> the body of a message to majordomo@vger.kernel.org
>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>>> Please read the FAQ at http://www.tux.org/lkml/
>>>>
>>>
>>>
>>
>> _______________________________________________
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>> uClinux-dev@uclinux.org
>> http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
>> This message was resent by uclinux-dev@uclinux.org
>> To unsubscribe see:
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>>
>
>
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^ permalink raw reply
* Re: Re: dm9000 patch
From: Angelo Dureghello @ 2010-12-30 9:59 UTC (permalink / raw)
To: Greg Ungerer
Cc: Baruch Siach, uClinux development list, netdev, linux-m68k,
linux-kernel
In-Reply-To: <4D1BD461.4070104@snapgear.com>
Hi all,
Joe,
about the debug line inside dm9000_interrupt,
//dm9000_dbg(db, 3, "entering %s\n", __func__);
nothing change, first browsing attempt crashed the board with the same
call stack trace:
[ 4.660000] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
[ 54.340000] BUG: spinlock recursion on CPU#0, swapper/0
[ 54.340000] lock: 00191244, .magic: dead4ead, .owner: swapper/0,
.owner_cpu: 0
[ 54.340000] Stack from 001a1b44:
[ 54.340000] 001a1b70 000ad968 0018409b 00191244 dead4ead
0018d7a8 00000000 00000000
[ 54.340000] 00191244 0002b4ea 0014d190 001a1ba4 000adb3a
00191244 00184101 00191244
[ 54.340000] 001a1c98 0000001f 0014d15e ffffffe3 00191208
0002b4ea 0014d190 0002caf6
[ 54.340000] 001a1bb0 0014d1ac 00191244 001a1bdc 0002b602
00191244 0000001f 001a1c98
[ 54.340000] 0000001f 0014d15e 00191244 0002b4ea 0014d190
0002caf6 001a1bf0 00000bb6
[ 54.340000] 0000001f 00191244 00cfc6c0 001a1c38 000033c6
0000001f 001a1c00 00000001
[ 54.340000] Call Trace:
[ 54.340000] [000ad968] spin_bug+0x86/0x11a
[ 54.340000] [000adb3a] do_raw_spin_lock+0x58/0x120
[ 54.340000] [0014d1ac] _raw_spin_lock+0x1c/0x22
[ 54.340000] [0002b602] __do_IRQ+0x2c/0x108
[ 54.340000] [00000bb6] do_IRQ+0x48/0x62
[ 54.340000] [000033c6] inthandler+0x6a/0x74
[ 54.340000] [0014d16c] _raw_spin_unlock+0xe/0x32
[ 54.340000] [0002b6d2] __do_IRQ+0xfc/0x108
[ 54.340000] [00000bb6] do_IRQ+0x48/0x62
[ 54.340000] [000033c6] inthandler+0x6a/0x74
[ 54.340000] [00130f66] tcp_v4_conn_request+0x3fa/0x57c
[ 54.340000] [0012a1a6] tcp_rcv_state_process+0x25e/0xa66
[ 54.340000] [00130984] tcp_v4_do_rcv+0x7c/0x1c8
[ 54.340000] [00132834] tcp_v4_rcv+0x546/0x6d2
Greg,
i phisically connected the HW interrupt pin of dm9000 to MCF5307 IRQ7
pin (pin68). dm9000 is configured (through a resistor to3.3V on pin 57)
not as default, but to act with HIGH to LOW interrupt edge, as MCF5307
understand, and the interrupt line is pulled up to 3.3V to avoid flickering.
PULL UP RES to 3.3V
dm9000 | |
IRQ |---------+-------------------| MCCF5307 PIN 68 (IRQ7)
IRQ 7 is the "level 7" autovectored interrupt (vect 31 dec).
Checking well the MCF5307 datasheet i have seen that "level 7" interrupt
i casually choosed seems to be a special level:
/18.7.1 Level 7 Interrupts
Level 7 interrupts are nonmaskable and are handled differently than
other interrupts.
Level 7 interrupts are edge triggered by a transition from a lower
priority request to the
level 7 request. Interrupts at all other levels are level sensitive.
Therefore, if IRQ7 remains
asserted, the MCF5307 recognizes only one level 7 interrupt because only
one transition
from a lower level request to a level 7 request occurred. For the
processor to
recognize two consecutive level 7 interrupts, one of the following must
occur:
1) The interrupt request on the interrupt control pins is raised to
level 7 and stays there
until an interrupt-acknowledge cycle begins. The level later drops but
then returns to
level 7, causing a second transition on the interrupt control lines.
2) The interrupt request on the interrupt control pins is raised to
level 7 and stays there.
If the level 7 interrupt routine lowers the mask level, a second level 7
interrupt is
recognized without a transition of the interrupt control pins. After the
level 7 routine
completes, the MCF5307 compares the mask level to the request level on
the IRQx
signals. Because the mask level is lower than the requested level, the
interrupt mask
is set back to level 7. To ensure it is recognized, the level 7 request
on IRQ7 must be
held until the second interrupt-acknowledge bus cycle begins./
I guess i can try to use another IRQ line, for example IRQ1 and see what
happen. Let me know your thought and i can try right now to hw wire up
the fix.
still many thanks,
regards,
angelo
On 30/12/2010 01:37, Greg Ungerer wrote:
> Hi Angelo,
>
> On 30/12/10 06:57, Angelo Dureghello wrote:
>> Hi all,
>> thanks for the help,
>> the kernel is a main line kernel. Then yes, i am still using uclinux
>> tree for libc/tools.
>
> How is the DM9000 hardware connected to the 5307?
> I am wondering how you connected the interrupt (and to
> which interrupt) and the addressing (direct of a chip select)?
>
> (For example NETtel based 5307 platform support of the SMC91x code is
> in mainline as arch/m68knommu/platform/5307/nettel.c). Can you show
> the code you used to setup your dm9000 hardware?
> (Specifically I guess I want to know if you use the "auto-vectored"
> interrupt mode?)
>
> Thanks
> Greg
>
>
>> I collected another spinlock recursion with a slightly different call
>> stack trace, as always, the spinlock recursion issue happen on a high
>> tx/rx traffic of the dm9000e, in this case just asking an index.html
>> with some images and texts:
>>
>> [ 1108.930000] BUG: spinlock recursion on CPU#0, httpd/29
>> [ 1108.930000] lock: 00c42c06, .magic: dead4ead, .owner: httpd/29,
>> .owner_cpu: 0
>> [ 1108.930000] Stack from 00d7a688:
>> [ 1108.930000] 00d7a6b4 000ad988 001840ca 00c42c06 dead4ead 00d641d4
>> 0000001d 00000000
>> [ 1108.930000] 00c42c06 000064f0 00c42800 00d7a6e8 000adb5a 00c42c06
>> 00184130 00002704
>> [ 1108.930000] 00000000 0000001f 0014d17e 00159912 00c42b60 000064f0
>> 00c42800 0002cb16
>> [ 1108.930000] 00d7a6f8 0014d24e 00c42c06 00000000 00d7a738 000e485c
>> 00c42c06 00000000
>> [ 1108.930000] 00000000 0000001f 0014d17e 00159912 0000004a 00cfc600
>> 000064f0 00009a74
>> [ 1108.930000] 0002cb16 00191204 00d7a760 0002b6f2 00d7a760 0002b514
>> 0000001f 00c42800
>> [ 1108.930000] Call Trace:
>> [ 1108.930000] [000ad988] spin_bug+0x86/0x11a
>> [ 1108.930000] [000adb5a] do_raw_spin_lock+0x58/0x120
>> [ 1108.930000] [0014d24e] _raw_spin_lock_irqsave+0x28/0x32
>> [ 1108.930000] [000e485c] dm9000_interrupt+0x1a/0x2e0
>> [ 1108.930000] [0002b514] handle_IRQ_event+0x2a/0xec
>> [ 1108.930000] [0002b680] __do_IRQ+0xaa/0x128
>> [ 1108.930000] [00000bb6] do_IRQ+0x48/0x62
>> [ 1108.930000] [000033c6] inthandler+0x6a/0x74
>> [ 1108.930000] [000fb626] dev_hard_start_xmit+0x170/0x4c4
>> [ 1108.930000] [0010b80e] sch_direct_xmit+0xc0/0x1bc
>> [ 1108.930000] [000fe9de] dev_queue_xmit+0x160/0x3e6
>> [ 1108.930000] [001195c4] ip_finish_output+0xec/0x320
>> [ 1108.930000] [0011a768] ip_output+0x9e/0xa8
>> [ 1108.930000] [00119856] ip_local_out+0x26/0x30
>> [ 1108.930000] [0011a56e] ip_build_and_send_pkt+0x16e/0x178
>> [ 1108.930000] [0012fc96] tcp_v4_send_synack+0x52/0x90
>> [ 1108.930000] [00130f86] tcp_v4_conn_request+0x3fa/0x57c
>> [ 1108.930000] [0012a1c6] tcp_rcv_state_process+0x25e/0xa66
>> [ 1108.930000] [001309a4] tcp_v4_do_rcv+0x7c/0x1c8
>> [ 1108.930000] [00132854] tcp_v4_rcv+0x546/0x6d2
>> [ 1108.930000] [001153a8] ip_local_deliver+0x9c/0x1b0
>> [ 1108.930000] [001158e8] ip_rcv+0x42c/0x5f0
>> [ 1108.930000] [000fa74e] __netif_receive_skb+0x196/0x2ec
>> [ 1108.930000] [000fe142] process_backlog+0x72/0x11e
>> [ 1108.930000] [000fe290] net_rx_action+0xa2/0x150
>> [ 1108.930000] [0000e13c] __do_softirq+0x74/0xe4
>> [ 1108.930000] [0000e1e2] do_softirq+0x36/0x40
>> [ 1108.930000] [0000e6c6] local_bh_enable+0x7a/0xa4
>> [ 1108.930000] [000fe972] dev_queue_xmit+0xf4/0x3e6
>> [ 1108.930000] [001195c4] ip_finish_output+0xec/0x320
>> [ 1108.930000] [0011a768] ip_output+0x9e/0xa8
>> [ 1108.930000] [00119856] ip_local_out+0x26/0x30
>> [ 1108.930000] [0011a90a] ip_queue_xmit+0x198/0x426
>> [ 1108.930000] [0012bcc8] tcp_transmit_skb+0x3f0/0x76c
>> [ 1108.930000] [0012cfda] tcp_write_xmit+0x178/0x868
>> [ 1108.930000] [0012d6f8] __tcp_push_pending_frames+0x2e/0x9a
>> [ 1108.930000] [001222be] tcp_sendmsg+0x82e/0x98c
>> [ 1108.930000] [0013d9c0] inet_sendmsg+0x32/0x54
>> [ 1108.930000] [000ec25e] sock_aio_write+0xc8/0x138
>> [ 1108.930000] [00043e7e] do_sync_write+0x9e/0xfe
>> [ 1108.930000] [00043f56] vfs_write+0x78/0x84
>> [ 1108.930000] [0004446c] sys_write+0x40/0x7a
>> [ 1108.930000] [00003244] system_call+0x84/0xc2
>> [ 1108.930000]
>>
>> seems like while i transmit a packet, dm9000_interrupt try to acquire
>> the spinlock owned from the same task.
>>
>> Compiling the kernel i am getting:
>> CC kernel/irq/handle.o
>> kernel/irq/handle.c:432:3: warning: #warning __do_IRQ is deprecated.
>> Please convert to proper flow handlers
>>
>> Could the usage of __do_IRQ super-handler be a cause of the issue ?
>>
>>
>> many thanks,
>> angelo
>>
>> On 29/12/2010 19:45, Geert Uytterhoeven wrote:
>>> On Wed, Dec 29, 2010 at 19:06, Baruch Siach<baruch@tkos.co.il> wrote:
>>>> Hi Angelo,
>>>>
>>>> On Wed, Dec 29, 2010 at 02:13:22PM +0100, Angelo Dureghello wrote:
>>>>> just FYI, i tested kernel 2.6.36.2, unfortunately the issue is still
>>>>> there, below the call stack trace.
>>>> Help from the m68k experts seems to be needed. Adding the relevant
>>>> list to Cc.
>>> This is uClinux? Added Cc...
>>>
>>>>> [ 4.620000] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
>>>>> [ 39.390000] BUG: spinlock recursion on CPU#0, httpd/29
>>>>> [ 39.390000] lock: 00189c44, .magic: dead4ead, .owner: httpd/29,
>>>>> .owner_cpu: 0
>>>>> [ 39.390000] Stack from 00d6a990:
>>>>> [ 39.390000] 00d6a9bc 000a9710 0017cac7 00189c44 dead4ead
>>>>> 00de48f4 0000001d 00000000
>>>>> [ 39.390000] 00189c44 0002a646 00145f70 00d6a9f0 000a98e2
>>>>> 00189c44 0017cb2d 00189c44
>>>>> [ 39.390000] 00d6aad8 0000001f 00145f5c 001523f6 00189c08
>>>>> 0002a646 00145f70 0002bc52
>>>>> [ 39.390000] 00d6a9fc 00145f7e 00189c44 00d6aa28 0002a75e
>>>>> 00189c44 0000001f 00d6aad8
>>>>> [ 39.390000] 0000001f 00145f5c 00189c08 0002a646 00145f70
>>>>> 0002bc52 00d6aa3c 00000bb6
>>>>> [ 39.390000] 0000001f 00189c44 00cfc780 00d6aa84 0000337a
>>>>> 0000001f 00d6aa4c 00000001
>>>>> [ 39.390000] Call Trace:
>>>>> [ 39.390000] [000a9710] spin_bug+0x86/0x11a
>>>>> [ 39.390000] [000a98e2] do_raw_spin_lock+0x58/0x120
>>>>> [ 39.390000] [00145f7e] _raw_spin_lock+0xe/0x14
>>>>> [ 39.390000] [0002a75e] __do_IRQ+0x2c/0x108
>>>>> [ 39.390000] [00000bb6] do_IRQ+0x48/0x62
>>>>> [ 39.390000] [0000337a] inthandler+0x6a/0x74
>>>>> [ 39.390000] [0002a82e] __do_IRQ+0xfc/0x108
>>>>> [ 39.390000] [00000bb6] do_IRQ+0x48/0x62
>>>>> [ 39.390000] [0000337a] inthandler+0x6a/0x74
>>>>> [ 39.390000] [000ef0ce] skb_release_all+0x10/0x20
>>>>> [ 39.390000] [000ee6bc] __kfree_skb+0x10/0x92
>>>>> [ 39.390000] [000ee75e] consume_skb+0x20/0x34
>>>>> [ 39.390000] [000e004e] dm9000_start_xmit+0xdc/0xec
>>>>> [ 39.390000] [000f67a2] dev_hard_start_xmit+0x146/0x472
>>>>> [ 39.390000] [00106506] sch_direct_xmit+0xc0/0x1bc
>>>>> [ 39.390000] [000f9914] dev_queue_xmit+0x160/0x3e4
>>>>> [ 39.390000] [00113b3e] ip_finish_output+0xee/0x318
>>>>> [ 39.390000] [001142b4] ip_output+0x7c/0x88
>>>>> [ 39.390000] [00113dc6] ip_local_out+0x26/0x30
>>>>> [ 39.390000] [00114d9a] ip_queue_xmit+0x152/0x374
>>>>> [ 39.390000] [00125c8c] tcp_transmit_skb+0x3f0/0x732
>>>>> [ 39.390000] [00126f26] tcp_write_xmit+0x178/0x868
>>>>> [ 39.390000] [00127644] __tcp_push_pending_frames+0x2e/0x9a
>>>>> [ 39.390000] [0011c3d6] tcp_sendmsg+0x82e/0x98c
>>>>> [ 39.390000] [00137544] inet_sendmsg+0x32/0x54
>>>>> [ 39.390000] [000e79a6] sock_aio_write+0xc8/0x138
>>>>> [ 39.390000] [00042590] do_sync_write+0x9e/0xfe
>>>>> [ 39.390000] [00042668] vfs_write+0x78/0x84
>>>>> [ 39.390000] [00042a92] sys_write+0x40/0x7a
>>>>> [ 39.390000] [00003224] system_call+0x84/0xc2
>>>>> [ 39.390000]
>>>>>
>>>>> dm9000e is as default not visible/selectable in menuconfig for
>>>>> Coldfire architectures, so this probably cannot be considered as a
>>>>> kernel bug.
>>>>>
>>>>> I going forward in investigations, every help is appreciated,
>>>>>
>>>>> regards,
>>>>> angelo
>>>>>
>>>>>
>>>>>
>>>>> On 29/12/2010 07:06, Baruch Siach wrote:
>>>>>> Hi Angelo,
>>>>>>
>>>>>> On Tue, Dec 28, 2010 at 10:52:42PM +0100, Angelo Dureghello wrote:
>>>>>>> sorry to contact you directly but i couldn't get any help from the
>>>>>>> kernel.org mailing list, since i am not a developer my mails are
>>>>>>> generally skipped.
>>>>>> The best way to get the contact info for a piece of kernel code, is
>>>>>> using the
>>>>>> get_maintainer.pl script. Running 'scripts/get_maintainer.pl -f
>>>>>> drivers/net/dm9000.c' gives the following output:
>>>>>>
>>>>>> netdev@vger.kernel.org
>>>>>> linux-kernel@vger.kernel.org
>>>>>>
>>>>>> I added both to Cc.
>>>>>>
>>>>>>> I am very near to have a custom board working with MCF5307 cpu and
>>>>>>> dm9000.
>>>>>>> I am using kernel 2.6.36-rc3 with your last patch about
>>>>>>> spinlock-recursion already included.
>>>>>> You should try to update to the latest .36 kernel, which is
>>>>>> currently
>>>>>> 2.6.36.2. The problem that you experience might be unrelated to the
>>>>>> dm9000
>>>>>> driver (or to networking at all), so it might have been fixed in
>>>>>> this version.
>>>>>>
>>>>>>> I have "ping" and "telnet" to the embedded board fully working.
>>>>>>> If i try to get a sample web page with some images from the board
>>>>>>> httpd with a browser, in 80% of cases i get a trap/oops:
>>>>>> Try to enable KALLSYMS in your kernel .config to make your stack
>>>>>> trace more
>>>>>> meaningful. This is under 'General setup -> Configure standard
>>>>>> kernel features
>>>>>> (for small systems) -> Load all symbols for debugging/ksymoops'.
>>>>>>
>>>>>> I hope this helps.
>>>>>>
>>>>>> baruch
>>>>>>
>>>>>>> [ 4.590000] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
>>>>>>> [ 67.630000] BUG: spinlock recursion on CPU#0, httpd/29
>>>>>>> [ 67.630000] lock: 00c42c06, .magic: dead4ead, .owner: httpd/29,
>>>>>>> .owner_cpu: 0
>>>>>>> [ 67.630000] Stack from 00d7b914:
>>>>>>> [ 67.630000] 00d7b940 000a8cf0 0015f693 00c42c06 dead4ead
>>>>>>> 00dec1d4 0000001d 00000000
>>>>>>> [ 67.630000] 00c42c06 00006188 00c42800 00d7b974 000a8ec2
>>>>>>> 00c42c06 0015f6f9 00002704
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 00c42b60
>>>>>>> 00006188 00c42800 0002b312
>>>>>>> [ 67.630000] 00d7b984 0014701e 00c42c06 00000000 00d7b9c4
>>>>>>> 000df21c 00c42c06 00000000
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 000005ea
>>>>>>> 00cfc640 00006188 000096e8
>>>>>>> [ 67.630000] 0002b312 00146fa4 00c42b60 00002704 00d7b9ec
>>>>>>> 00029d3a 0000001f 00c42800
>>>>>>> [ 67.630000] Call Trace:
>>>>>>> [ 67.630000] [000a8cf0] [000a8ec2] [0014701e] [000df21c] [00029d3a]
>>>>>>> [ 67.630000] [00029e84] [00000bb6] [0000336e] [000df162] [000effd6]
>>>>>>> [ 67.630000] [00100482] [000f312e] [000f9ebc] [0010dd2a] [0010e4a0]
>>>>>>> [ 67.630000] [0010dfb2] [0010ef80] [0011fed6] [00121170] [0012188e]
>>>>>>> [ 67.630000] [0011ecc6] [001249fe] [000e4084] [0011621c] [00131a44]
>>>>>>> [ 67.630000] [000e11ee] [00041944] [00041a1c] [00041e46] [00003218]
>>>>>>> [ 67.630000] BUG: spinlock lockup on CPU#0, httpd/29, 00c42c06
>>>>>>> [ 67.630000] Stack from 00d7b934:
>>>>>>> [ 67.630000] 00d7b974 000a8f66 0015f703 00000000 00dec1d4
>>>>>>> 0000001d 00c42c06 00002704
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 00c42b60
>>>>>>> 00006188 00c42800 0002b312
>>>>>>> [ 67.630000] 00d7b984 0014701e 00c42c06 00000000 00d7b9c4
>>>>>>> 000df21c 00c42c06 00000000
>>>>>>> [ 67.630000] 00000000 0000001f 00146fa4 00152f0c 000005ea
>>>>>>> 00cfc640 00006188 000096e8
>>>>>>> [ 67.630000] 0002b312 00146fa4 00c42b60 00002704 00d7b9ec
>>>>>>> 00029d3a 0000001f 00c42800
>>>>>>> [ 67.630000] 0016c1b4 00cfc640 0000001f 0016c178 00029d10
>>>>>>> 00146fb8 00d7ba20 00029e84
>>>>>>> [ 67.630000] Call Trace:
>>>>>>> [ 67.630000] [000a8f66] [0014701e] [000df21c] [00029d3a] [00029e84]
>>>>>>> [ 67.630000] [00000bb6] [0000336e] [000df162] [000effd6] [00100482]
>>>>>>> [ 67.630000] [000f312e] [000f9ebc] [0010dd2a] [0010e4a0] [0010dfb2]
>>>>>>> [ 67.630000] [0010ef80] [0011fed6] [00121170] [0012188e] [0011ecc6]
>>>>>>> [ 67.630000] [001249fe] [000e4084] [0011621c] [00131a44] [000e11ee]
>>>>>>> [ 67.630000] [00041944] [00041a1c] [00041e46] [00003218]
>>>>>>>
>>>>>>> As i said, i was hoping in your patch but i sadly discovered it is
>>>>>>> already included in this kernel version.
>>>>>>> Hope you can give me some help or can forward me to an appropriate
>>>>>>> mailing list.
>>>> --
>>>> ~. .~ Tk Open Systems
>>>> =}------------------------------------------------ooO--U--Ooo------------{=
>>>>
>>>>
>>>> - baruch@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
>>>> --
>>>> To unsubscribe from this list: send the line "unsubscribe
>>>> linux-kernel" in
>>>> the body of a message to majordomo@vger.kernel.org
>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>>> Please read the FAQ at http://www.tux.org/lkml/
>>>>
>>>
>>>
>>
>> _______________________________________________
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>> uClinux-dev@uclinux.org
>> http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
>> This message was resent by uclinux-dev@uclinux.org
>> To unsubscribe see:
>> http://mailman.uclinux.org/mailman/options/uclinux-dev
>>
>
>
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^ permalink raw reply
* Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time
From: Rob Landley @ 2010-12-30 10:05 UTC (permalink / raw)
To: Kirill A. Shutemov
Cc: Rob Landley, Trond Myklebust, J. Bruce Fields, Neil Brown,
Pavel Emelyanov, linux-nfs, David S. Miller, netdev, linux-kernel
In-Reply-To: <20101230094433.GB29697@shutemov.name>
On 12/30/2010 03:44 AM, Kirill A. Shutemov wrote:
>>> If no rpcmount mountoption, no rpc_pipefs was found at
>>> '/var/lib/nfs/rpc_pipefs' and we are in init's mount namespace, we use
>>> init_rpc_pipefs.
>>
>> It's the "we are in init's mount namespace" that I was wondering about.
>>
>> So if I naievely chroot, nfs mount stops working the way it did before I
>> chrooted unless I do an extra setup step?
>
> No. It will work as before since you are still in init's mount namespace.
> Creating new mount namespace changes rules.
Ah, CLONE_NEWNS and then you need /var/lib/nfs/rpc_pipefs. Got it.
I'm kind of surprised that the kernel cares about a specific path under
/var/lib. (Seems like policy in the kernel somehow.) Can't it just
check the current process's mount list to see if an instance of
rpc_pipefs is mounted in the current namespace the way lxc looks for
cgroups? Or are there potential performance/scalability issues with that?
Rob
^ permalink raw reply
* Compilation of pktgen fails for ARCH=um
From: Christoph Paasch @ 2010-12-30 10:33 UTC (permalink / raw)
To: netdev; +Cc: linux-arch
Hi,
compiling the packet generator (NET_PKTGEN) for ARCH=um does not work.
Since commit 43d28b6515a6ea580a198df3e253e88236f08978 (pktgen: increasing
transmission granularity), function spin(...) uses ndelay(...), which is not
implemented for uml.
Should pktgen be disabled for uml?
Or should ndelay be an empty macro? (in arch/um/include/asm/delay.h)
Regards,
Christoph
--
Christoph Paasch
Research Assistant
IP Networking Lab --- http://inl.info.ucl.ac.be
MultiPath TCP in the Linux Kernel --- http://inl.info.ucl.ac.be/mptcp
Université Catholique de Louvain
www.rollerbulls.be
--
^ permalink raw reply
* Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time
From: Kirill A. Shutemov @ 2010-12-30 10:44 UTC (permalink / raw)
To: Rob Landley
Cc: Kirill A. Shutemov, Rob Landley, Trond Myklebust, J. Bruce Fields,
Neil Brown, Pavel Emelyanov, linux-nfs-u79uwXL29TY76Z2rM5mHXA,
David S. Miller, netdev-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
In-Reply-To: <4D1C5953.6020200-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
On Thu, Dec 30, 2010 at 04:05:07AM -0600, Rob Landley wrote:
> On 12/30/2010 03:44 AM, Kirill A. Shutemov wrote:
> >>> If no rpcmount mountoption, no rpc_pipefs was found at
> >>> '/var/lib/nfs/rpc_pipefs' and we are in init's mount namespace, we use
> >>> init_rpc_pipefs.
> >>
> >> It's the "we are in init's mount namespace" that I was wondering about.
> >>
> >> So if I naievely chroot, nfs mount stops working the way it did before I
> >> chrooted unless I do an extra setup step?
> >
> > No. It will work as before since you are still in init's mount namespace.
> > Creating new mount namespace changes rules.
>
> Ah, CLONE_NEWNS and then you need /var/lib/nfs/rpc_pipefs. Got it.
>
> I'm kind of surprised that the kernel cares about a specific path under
> /var/lib. (Seems like policy in the kernel somehow.)
Yep. It's bad, but there is way to overwrite the default.
Other way is to leave 'rpcmount' mountoption without default.
get_rpc_pipefs(NULL) in init's mount namespace will always return
init_rpc_pipefs, without filesystem lookup.
get_rpc_pipefs(NULL) in non-init's mount namespace will always return
error.
So you will have to specify 'rpcmount' mountoption for every nfs mount in
container. Hmm, I guess, it may confuse user.
Or we can try to move the default to userspace. /sbin/mount.nfs?
> Can't it just
> check the current process's mount list to see if an instance of
> rpc_pipefs is mounted in the current namespace the way lxc looks for
> cgroups? Or are there potential performance/scalability issues with that?
What should we do if we have several rpc_pipefs mounts in the namespace?
--
Kirill A. Shutemov
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply
* [*v3 PATCH 00/22] IPVS Network Name Space aware
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
This patch series adds network name space support to the LVS.
REVISION
This is version 3
OVERVIEW
The patch doesn't remove or add any functionality except for netns.
For users that don't use network name space (netns) this patch is
completely transparent.
Now it's possible to run LVS in a Linux container (see lxc-tools)
i.e. a light weight visualization. For example it's possible to run
one or several lvs on a real server in their own network name spaces.
>From the LVS point of view it looks like it runs on it's own machine.
IMPLEMENTATION
Basic requirements for netns awareness
- Global variables has to be moved to dyn. allocated memory.
- No or very little performance loss
Large hash tables connection hash and service hashes still resides in
global memory with net ptr added in hash key.
Most global variables now resides in a struct ipvs { } in netns/ip_vs.h.
The size of per name space is 2096 bytes (for x86_64) and a little bit less
for 32 bit arch's.
Statistics counters is now lock-free i.e. incremented per CPU,
The estimator does a sum when using it.
Procfs: ip_vs_stats_percpu is added to reflect the "per cpu"
ex.
# cat /proc/net/ip_vs_stats
Total Incoming Outgoing Incoming Outgoing
CPU Conns Packets Packets Bytes Bytes
0 0 3 1 9D 34
1 0 1 2 49 70
2 0 1 2 34 76
3 1 2 2 70 74
~ 1 7 7 18A 18E
Conns/s Pkts/s Pkts/s Bytes/s Bytes/s
0 0 0 0 0
Algorithm files are untouched except for lblc and lblcr.
STEP BY STEP
First patch creates network name space init for all files that need it.
How ever if a new name space is created an error is returned.
This will be removed in the last patch.
When net ptr ain't available init_net will be used temporarily.
CHANGES
*v2
The patches is totally reworked so each patch compile ...
Depends on the IPv6 and Persistence Backup patch.
Common hash-table per name-space for connections and services
Stats per CPU
smaller changes in lblc and lblcr
Triggered by Julians comment:
"tcp_timeout_change should work with the new struct ip_vs_proto_data
so that tcp_state_table will go to pd->state_table
and set_tcp_state will get pd instead of pp"
*v3
Changes triggered by comment mostly, see individual patches for details.
procfs ip_vs_stats remains the same, ip_vs_stats_percpu added instead.
Unused functions removed.
The pp -> pd conversion should start from functions like ip_vs_out()....
Timer per ns instead of a common timer in estimator.
Moved net compare to the end in "fast path"
__ip_vs_mutex remains global
PATCH SET
This patch set is based upon lvs-test-2.6 / v2.6.37-rc1
and depends upon IPVS sync patches
STATUS
untested protos
- sctp
- esp_ah
and SIP for IPv6
SUMMARY
include/net/ip_vs.h | 248 +++++++---
include/net/net_namespace.h | 2 +
include/net/netns/ip_vs.h | 146 ++++++
net/netfilter/ipvs/ip_vs_app.c | 101 +++--
net/netfilter/ipvs/ip_vs_conn.c | 159 ++++---
net/netfilter/ipvs/ip_vs_core.c | 228 ++++++---
net/netfilter/ipvs/ip_vs_ctl.c | 826 ++++++++++++++++++-------------
net/netfilter/ipvs/ip_vs_est.c | 131 ++++--
net/netfilter/ipvs/ip_vs_ftp.c | 56 ++-
net/netfilter/ipvs/ip_vs_lblc.c | 66 +++-
net/netfilter/ipvs/ip_vs_lblcr.c | 70 +++-
net/netfilter/ipvs/ip_vs_nfct.c | 6 +-
net/netfilter/ipvs/ip_vs_proto.c | 121 +++++-
net/netfilter/ipvs/ip_vs_proto_ah_esp.c | 45 +-
net/netfilter/ipvs/ip_vs_proto_sctp.c | 144 +++---
net/netfilter/ipvs/ip_vs_proto_tcp.c | 133 +++---
net/netfilter/ipvs/ip_vs_proto_udp.c | 102 ++--
net/netfilter/ipvs/ip_vs_sync.c | 422 +++++++++-------
net/netfilter/xt_ipvs.c | 2 +-
19 files changed, 1960 insertions(+), 1048 deletions(-)
^ permalink raw reply
* [*v3 PATCH 01/22] IPVS: netns, add basic init per netns.
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
Preparation for network name-space init, in this stage
some empty functions exists.
In most files there is a check if it is root ns i.e. init_net
if (!net_eq(net, &init_net))
return ...
this will be removed by the last patch, when enabling name-space.
*v3
ip_vs_conn.c merge error corrected.
net_ipvs #ifdef removed as sugested by Jan Engelhardt
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 11 ++++++
include/net/net_namespace.h | 2 +
include/net/netns/ip_vs.h | 26 +++++++++++++++
net/netfilter/ipvs/ip_vs_app.c | 32 +++++++++++++++---
net/netfilter/ipvs/ip_vs_conn.c | 34 +++++++++++++++++---
net/netfilter/ipvs/ip_vs_core.c | 63 ++++++++++++++++++++++++++++++++++++-
net/netfilter/ipvs/ip_vs_ctl.c | 48 +++++++++++++++++++++++-----
net/netfilter/ipvs/ip_vs_est.c | 20 +++++++++++-
net/netfilter/ipvs/ip_vs_ftp.c | 34 ++++++++++++++++++--
net/netfilter/ipvs/ip_vs_lblc.c | 37 ++++++++++++++++++++--
net/netfilter/ipvs/ip_vs_lblcr.c | 38 ++++++++++++++++++++--
net/netfilter/ipvs/ip_vs_proto.c | 19 +++++++++++
net/netfilter/ipvs/ip_vs_sync.c | 28 +++++++++++++++++
13 files changed, 357 insertions(+), 35 deletions(-)
create mode 100644 include/net/netns/ip_vs.h
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index d858264..98f9ebf 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -28,6 +28,15 @@
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
#include <net/netfilter/nf_conntrack.h>
#endif
+#include <net/net_namespace.h> /* Netw namespace */
+
+/*
+ * Generic access of ipvs struct
+ */
+static inline struct netns_ipvs * net_ipvs(struct net* net)
+{
+ return net->ipvs;
+}
/* Connections' size value needed by ip_vs_ctl.c */
extern int ip_vs_conn_tab_size;
@@ -922,6 +931,8 @@ extern char ip_vs_backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
extern int start_sync_thread(int state, char *mcast_ifn, __u8 syncid);
extern int stop_sync_thread(int state);
extern void ip_vs_sync_conn(struct ip_vs_conn *cp);
+extern int ip_vs_sync_init(void);
+extern void ip_vs_sync_cleanup(void);
/*
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 1bf812b..b3b4a34 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -20,6 +20,7 @@
#include <net/netns/conntrack.h>
#endif
#include <net/netns/xfrm.h>
+#include <net/netns/ip_vs.h>
struct proc_dir_entry;
struct net_device;
@@ -94,6 +95,7 @@ struct net {
#ifdef CONFIG_XFRM
struct netns_xfrm xfrm;
#endif
+ struct netns_ipvs *ipvs;
};
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
new file mode 100644
index 0000000..9068d95
--- /dev/null
+++ b/include/net/netns/ip_vs.h
@@ -0,0 +1,26 @@
+/*
+ * ip_vs.h
+ *
+ * Created on: Nov 23, 2010
+ * Author: hans
+ */
+
+#ifndef IP_VS_H_
+#define IP_VS_H_
+
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/list_nulls.h>
+#include <linux/ip_vs.h>
+#include <asm/atomic.h>
+#include <linux/in.h>
+
+struct ip_vs_stats;
+struct ip_vs_sync_buff;
+struct ctl_table_header;
+
+struct netns_ipvs {
+ int inc; /* Incarnation */
+};
+
+#endif /* IP_VS_H_ */
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index a475ede..6d10352 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -264,7 +264,7 @@ static inline void vs_fix_seq(const struct ip_vs_seq *vseq, struct tcphdr *th)
* for all packets before most recent resized pkt seq.
*/
if (vseq->delta || vseq->previous_delta) {
- if(after(seq, vseq->init_seq)) {
+ if (after(seq, vseq->init_seq)) {
th->seq = htonl(seq + vseq->delta);
IP_VS_DBG(9, "%s(): added delta (%d) to seq\n",
__func__, vseq->delta);
@@ -293,7 +293,7 @@ vs_fix_ack_seq(const struct ip_vs_seq *vseq, struct tcphdr *th)
if (vseq->delta || vseq->previous_delta) {
/* since ack_seq is the number of octet that is expected
to receive next, so compare it with init_seq+delta */
- if(after(ack_seq, vseq->init_seq+vseq->delta)) {
+ if (after(ack_seq, vseq->init_seq+vseq->delta)) {
th->ack_seq = htonl(ack_seq - vseq->delta);
IP_VS_DBG(9, "%s(): subtracted delta "
"(%d) from ack_seq\n", __func__, vseq->delta);
@@ -569,15 +569,35 @@ static const struct file_operations ip_vs_app_fops = {
};
#endif
-int __init ip_vs_app_init(void)
+static int __net_init __ip_vs_app_init(struct net *net)
{
- /* we will replace it with proc_net_ipvs_create() soon */
- proc_net_fops_create(&init_net, "ip_vs_app", 0, &ip_vs_app_fops);
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
+ proc_net_fops_create(net, "ip_vs_app", 0, &ip_vs_app_fops);
return 0;
}
+static void __net_exit __ip_vs_app_cleanup(struct net *net)
+{
+ proc_net_remove(net, "ip_vs_app");
+}
+
+static struct pernet_operations ip_vs_app_ops = {
+ .init = __ip_vs_app_init,
+ .exit = __ip_vs_app_cleanup,
+};
+
+int __init ip_vs_app_init(void)
+{
+ int rv;
+
+ rv = register_pernet_subsys(&ip_vs_app_ops);
+ return rv;
+}
+
void ip_vs_app_cleanup(void)
{
- proc_net_remove(&init_net, "ip_vs_app");
+ unregister_pernet_subsys(&ip_vs_app_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 66e4662..7c1b502 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1201,11 +1201,36 @@ static void ip_vs_conn_flush(void)
goto flush_again;
}
}
+/*
+ * per netns init and exit
+ */
+int __net_init __ip_vs_conn_init(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+ proc_net_fops_create(net, "ip_vs_conn", 0, &ip_vs_conn_fops);
+ proc_net_fops_create(net, "ip_vs_conn_sync", 0, &ip_vs_conn_sync_fops);
+ return 0;
+}
+
+static void __net_exit __ip_vs_conn_cleanup(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return;
+
+ proc_net_remove(net, "ip_vs_conn");
+ proc_net_remove(net, "ip_vs_conn_sync");
+}
+static struct pernet_operations ipvs_conn_ops = {
+ .init = __ip_vs_conn_init,
+ .exit = __ip_vs_conn_cleanup,
+};
int __init ip_vs_conn_init(void)
{
int idx;
+ int retc;
/* Compute size and mask */
ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
@@ -1243,24 +1268,21 @@ int __init ip_vs_conn_init(void)
rwlock_init(&__ip_vs_conntbl_lock_array[idx].l);
}
- proc_net_fops_create(&init_net, "ip_vs_conn", 0, &ip_vs_conn_fops);
- proc_net_fops_create(&init_net, "ip_vs_conn_sync", 0, &ip_vs_conn_sync_fops);
+ retc = register_pernet_subsys(&ipvs_conn_ops);
/* calculate the random value for connection hash */
get_random_bytes(&ip_vs_conn_rnd, sizeof(ip_vs_conn_rnd));
- return 0;
+ return retc;
}
-
void ip_vs_conn_cleanup(void)
{
+ unregister_pernet_subsys(&ipvs_conn_ops);
/* flush all the connection entries first */
ip_vs_conn_flush();
/* Release the empty cache */
kmem_cache_destroy(ip_vs_conn_cachep);
- proc_net_remove(&init_net, "ip_vs_conn");
- proc_net_remove(&init_net, "ip_vs_conn_sync");
vfree(ip_vs_conn_tab);
}
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 5287771..cd8616e 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -41,6 +41,7 @@
#include <net/icmp.h> /* for icmp_send */
#include <net/route.h>
#include <net/ip6_checksum.h>
+#include <net/netns/generic.h> /* net_generic() */
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
@@ -68,6 +69,12 @@ EXPORT_SYMBOL(ip_vs_conn_put);
EXPORT_SYMBOL(ip_vs_get_debug_level);
#endif
+int ip_vs_net_id __read_mostly;
+#ifdef IP_VS_GENERIC_NETNS
+EXPORT_SYMBOL(ip_vs_net_id);
+#endif
+/* netns cnt used for uniqueness */
+static atomic_t ipvs_netns_cnt = ATOMIC_INIT(0);
/* ID used in ICMP lookups */
#define icmp_id(icmph) (((icmph)->un).echo.id)
@@ -1813,6 +1820,44 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
#endif
};
+/*
+ * Initialize IP Virtual Server netns mem.
+ */
+static int __net_init __ip_vs_init(struct net *net)
+{
+ struct netns_ipvs *ipvs;
+
+ if (!net_eq(net, &init_net)) {
+ pr_err("The final patch for enabling netns is missing\n");
+ return -EPERM;
+ }
+ ipvs = (struct netns_ipvs *)net_generic(net, ip_vs_net_id);
+ if (ipvs == NULL) {
+ pr_err("%s(): no memory.\n", __func__);
+ return -ENOMEM;
+ }
+ /* Incarnation counters used for creating unique names */
+ ipvs->inc = atomic_read(&ipvs_netns_cnt);
+ atomic_inc(&ipvs_netns_cnt);
+ net->ipvs = ipvs;
+ printk(KERN_INFO "IPVS: Creating netns size=%lu id=%d\n",
+ sizeof(struct netns_ipvs), ipvs->inc);
+ return 0;
+}
+
+static void __net_exit __ip_vs_cleanup(struct net *net)
+{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ IP_VS_DBG(10, "ipvs netns %d released\n", ipvs->inc);
+}
+
+static struct pernet_operations ipvs_core_ops = {
+ .init = __ip_vs_init,
+ .exit = __ip_vs_cleanup,
+ .id = &ip_vs_net_id,
+ .size = sizeof(struct netns_ipvs),
+};
/*
* Initialize IP Virtual Server
@@ -1821,8 +1866,11 @@ static int __init ip_vs_init(void)
{
int ret;
- ip_vs_estimator_init();
+ ret = register_pernet_subsys(&ipvs_core_ops); /* Alloc ip_vs struct */
+ if (ret < 0)
+ return ret;
+ ip_vs_estimator_init();
ret = ip_vs_control_init();
if (ret < 0) {
pr_err("can't setup control.\n");
@@ -1843,15 +1891,23 @@ static int __init ip_vs_init(void)
goto cleanup_app;
}
+ ret = ip_vs_sync_init();
+ if (ret < 0) {
+ pr_err("can't setup sync data.\n");
+ goto cleanup_conn;
+ }
+
ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
if (ret < 0) {
pr_err("can't register hooks.\n");
- goto cleanup_conn;
+ goto cleanup_sync;
}
pr_info("ipvs loaded.\n");
return ret;
+ cleanup_sync:
+ ip_vs_sync_cleanup();
cleanup_conn:
ip_vs_conn_cleanup();
cleanup_app:
@@ -1861,17 +1917,20 @@ static int __init ip_vs_init(void)
ip_vs_control_cleanup();
cleanup_estimator:
ip_vs_estimator_cleanup();
+ unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
return ret;
}
static void __exit ip_vs_cleanup(void)
{
nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
+ ip_vs_sync_cleanup();
ip_vs_conn_cleanup();
ip_vs_app_cleanup();
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
ip_vs_estimator_cleanup();
+ unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
pr_info("ipvs unloaded.\n");
}
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index d12a13c..33511f4 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3408,6 +3408,41 @@ static void ip_vs_genl_unregister(void)
/* End of Generic Netlink interface definitions */
+/*
+ * per netns intit/exit func.
+ */
+int __net_init __ip_vs_control_init(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
+ proc_net_fops_create(net, "ip_vs", 0, &ip_vs_info_fops);
+ proc_net_fops_create(net, "ip_vs_stats", 0, &ip_vs_stats_fops);
+ sysctl_header = register_net_sysctl_table(net, net_vs_ctl_path, vs_vars);
+ if (sysctl_header == NULL)
+ goto err_reg;
+ ip_vs_new_estimator(&ip_vs_stats);
+ return 0;
+
+err_reg:
+ return -ENOMEM;
+}
+
+static void __net_exit __ip_vs_control_cleanup(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return;
+
+ ip_vs_kill_estimator(&ip_vs_stats);
+ unregister_net_sysctl_table(sysctl_header);
+ proc_net_remove(net, "ip_vs_stats");
+ proc_net_remove(net, "ip_vs");
+}
+
+static struct pernet_operations ipvs_control_ops = {
+ .init = __ip_vs_control_init,
+ .exit = __ip_vs_control_cleanup,
+};
int __init ip_vs_control_init(void)
{
@@ -3439,12 +3474,9 @@ int __init ip_vs_control_init(void)
return ret;
}
- proc_net_fops_create(&init_net, "ip_vs", 0, &ip_vs_info_fops);
- proc_net_fops_create(&init_net, "ip_vs_stats",0, &ip_vs_stats_fops);
-
- sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars);
-
- ip_vs_new_estimator(&ip_vs_stats);
+ ret = register_pernet_subsys(&ipvs_control_ops);
+ if (ret)
+ return ret;
/* Hook the defense timer */
schedule_delayed_work(&defense_work, DEFENSE_TIMER_PERIOD);
@@ -3461,9 +3493,7 @@ void ip_vs_control_cleanup(void)
cancel_rearming_delayed_work(&defense_work);
cancel_work_sync(&defense_work.work);
ip_vs_kill_estimator(&ip_vs_stats);
- unregister_sysctl_table(sysctl_header);
- proc_net_remove(&init_net, "ip_vs_stats");
- proc_net_remove(&init_net, "ip_vs");
+ unregister_pernet_subsys(&ipvs_control_ops);
ip_vs_genl_unregister();
nf_unregister_sockopt(&ip_vs_sockopts);
LeaveFunction(2);
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index ff28801..7417a0c 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -157,13 +157,31 @@ void ip_vs_zero_estimator(struct ip_vs_stats *stats)
est->outbps = 0;
}
+static int __net_init __ip_vs_estimator_init(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
+ return 0;
+}
+
+static struct pernet_operations ip_vs_app_ops = {
+ .init = __ip_vs_estimator_init,
+};
+
int __init ip_vs_estimator_init(void)
{
+ int rv;
+
+ rv = register_pernet_subsys(&ip_vs_app_ops);
+ if (rv < 0)
+ return rv;
mod_timer(&est_timer, jiffies + 2 * HZ);
- return 0;
+ return rv;
}
void ip_vs_estimator_cleanup(void)
{
del_timer_sync(&est_timer);
+ unregister_pernet_subsys(&ip_vs_app_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 84aef65..0e762f3 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -399,15 +399,17 @@ static struct ip_vs_app ip_vs_ftp = {
.pkt_in = ip_vs_ftp_in,
};
-
/*
- * ip_vs_ftp initialization
+ * per netns ip_vs_ftp initialization
*/
-static int __init ip_vs_ftp_init(void)
+static int __net_init __ip_vs_ftp_init(struct net *net)
{
int i, ret;
struct ip_vs_app *app = &ip_vs_ftp;
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
ret = register_ip_vs_app(app);
if (ret)
return ret;
@@ -427,14 +429,38 @@ static int __init ip_vs_ftp_init(void)
return ret;
}
+/*
+ * netns exit
+ */
+static void __ip_vs_ftp_exit(struct net *net)
+{
+ struct ip_vs_app *app = &ip_vs_ftp;
+
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return;
+
+ unregister_ip_vs_app(app);
+}
+
+static struct pernet_operations ip_vs_ftp_ops = {
+ .init = __ip_vs_ftp_init,
+ .exit = __ip_vs_ftp_exit,
+};
+int __init ip_vs_ftp_init(void)
+{
+ int rv;
+
+ rv = register_pernet_subsys(&ip_vs_ftp_ops);
+ return rv;
+}
/*
* ip_vs_ftp finish.
*/
static void __exit ip_vs_ftp_exit(void)
{
- unregister_ip_vs_app(&ip_vs_ftp);
+ unregister_pernet_subsys(&ip_vs_ftp_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 9323f89..84278fb 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -543,23 +543,54 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler =
.schedule = ip_vs_lblc_schedule,
};
+/*
+ * per netns init.
+ */
+static int __net_init __ip_vs_lblc_init(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
+ sysctl_header = register_net_sysctl_table(net, net_vs_ctl_path,
+ vs_vars_table);
+ if (!sysctl_header)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void __net_exit __ip_vs_lblc_exit(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return;
+
+ unregister_net_sysctl_table(sysctl_header);
+}
+
+static struct pernet_operations ip_vs_lblc_ops = {
+ .init = __ip_vs_lblc_init,
+ .exit = __ip_vs_lblc_exit,
+};
static int __init ip_vs_lblc_init(void)
{
int ret;
- sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars_table);
+ ret = register_pernet_subsys(&ip_vs_lblc_ops);
+ if (ret)
+ return ret;
+
ret = register_ip_vs_scheduler(&ip_vs_lblc_scheduler);
if (ret)
- unregister_sysctl_table(sysctl_header);
+ unregister_pernet_subsys(&ip_vs_lblc_ops);
return ret;
}
static void __exit ip_vs_lblc_cleanup(void)
{
- unregister_sysctl_table(sysctl_header);
unregister_ip_vs_scheduler(&ip_vs_lblc_scheduler);
+ unregister_pernet_subsys(&ip_vs_lblc_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index dbeed8e..7c7396a 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -744,23 +744,53 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
.schedule = ip_vs_lblcr_schedule,
};
+/*
+ * per netns init.
+ */
+static int __net_init __ip_vs_lblcr_init(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
+ sysctl_header = register_net_sysctl_table(net, net_vs_ctl_path,
+ vs_vars_table);
+ if (!sysctl_header)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void __net_exit __ip_vs_lblcr_exit(struct net *net)
+{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return;
+
+ unregister_net_sysctl_table(sysctl_header);
+}
+
+static struct pernet_operations ip_vs_lblcr_ops = {
+ .init = __ip_vs_lblcr_init,
+ .exit = __ip_vs_lblcr_exit,
+};
static int __init ip_vs_lblcr_init(void)
{
int ret;
- sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars_table);
+ ret = register_pernet_subsys(&ip_vs_lblcr_ops);
+ if (ret)
+ return ret;
+
ret = register_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
if (ret)
- unregister_sysctl_table(sysctl_header);
+ unregister_pernet_subsys(&ip_vs_lblcr_ops);
return ret;
}
-
static void __exit ip_vs_lblcr_cleanup(void)
{
- unregister_sysctl_table(sysctl_header);
unregister_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
+ unregister_pernet_subsys(&ip_vs_lblcr_ops);
}
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index c539983..27bf034 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -236,6 +236,23 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
ip_vs_tcpudp_debug_packet_v4(pp, skb, offset, msg);
}
+/*
+ * per network name-space init
+ */
+static int __net_init __ip_vs_protocol_init(struct net *net)
+{
+ return 0;
+}
+
+static void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+{
+ /* empty */
+}
+
+static struct pernet_operations ipvs_proto_ops = {
+ .init = __ip_vs_protocol_init,
+ .exit = __ip_vs_protocol_cleanup,
+};
int __init ip_vs_protocol_init(void)
{
@@ -265,6 +282,7 @@ int __init ip_vs_protocol_init(void)
REGISTER_PROTOCOL(&ip_vs_protocol_esp);
#endif
pr_info("Registered protocols (%s)\n", &protocols[2]);
+ return register_pernet_subsys(&ipvs_proto_ops);
return 0;
}
@@ -275,6 +293,7 @@ void ip_vs_protocol_cleanup(void)
struct ip_vs_protocol *pp;
int i;
+ unregister_pernet_subsys(&ipvs_proto_ops);
/* unregister all the ipvs protocols */
for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
while ((pp = ip_vs_proto_table[i]) != NULL)
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index c1c167a..ea390f8 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1639,3 +1639,31 @@ int stop_sync_thread(int state)
return 0;
}
+
+/*
+ * Initialize data struct for each netns
+ */
+static int __net_init __ip_vs_sync_init(struct net *net)
+{
+ return 0;
+}
+
+static void __ip_vs_sync_cleanup(struct net *net)
+{
+ return;
+}
+static struct pernet_operations ipvs_sync_ops = {
+ .init = __ip_vs_sync_init,
+ .exit = __ip_vs_sync_cleanup,
+};
+
+
+int __init ip_vs_sync_init(void)
+{
+ return register_pernet_subsys(&ipvs_sync_ops);
+}
+
+void __exit ip_vs_sync_cleanup(void)
+{
+ unregister_pernet_subsys(&ipvs_sync_ops);
+}
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 02/22] IPVS: netns to services part 1
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
Services hash tables got netns ptr a hash arg,
While Real Servers (rs) has been moved to ipvs struct.
Two new inline functions added to get net ptr from skb.
Since ip_vs is called from different contexts there is two
places to dig for the net ptr skb->dev or skb->sk
this is handled in skb_net() and skb_sknet()
Global functions, ip_vs_service_get() ip_vs_lookup_real_service()
etc have got struct net *net as first param.
If possible get net ptr skb etc,
- if not &init_net is used at this early stage of patching.
ip_vs_ctl.c procfs not ready for netns yet.
*v3
Comments by Julian
- __ip_vs_service_find and __ip_vs_svc_fwm_find are fast path,
net_eq(svc->net, net) so the check is at the end now.
- net = skb_net(skb) in ip_vs_out moved after check for skb_dst.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 62 +++++++++-
include/net/netns/ip_vs.h | 9 ++
net/netfilter/ipvs/ip_vs_conn.c | 2 +-
net/netfilter/ipvs/ip_vs_core.c | 4 +-
net/netfilter/ipvs/ip_vs_ctl.c | 224 +++++++++++++++++++--------------
net/netfilter/ipvs/ip_vs_proto_sctp.c | 5 +-
net/netfilter/ipvs/ip_vs_proto_tcp.c | 5 +-
net/netfilter/ipvs/ip_vs_proto_udp.c | 5 +-
net/netfilter/ipvs/ip_vs_sync.c | 2 +-
9 files changed, 207 insertions(+), 111 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 98f9ebf..70c5462 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -37,6 +37,57 @@ static inline struct netns_ipvs * net_ipvs(struct net* net)
{
return net->ipvs;
}
+/*
+ * Get net ptr from skb in traffic cases
+ * use skb_sknet when call is from userland (ioctl or netlink)
+ */
+static inline struct net *skb_net(struct sk_buff *skb) {
+#ifdef CONFIG_NET_NS
+#ifdef CONFIG_IP_VS_DEBUG
+ /*
+ * This is used for debug only.
+ * Start with the most likely hit
+ * End with BUG
+ */
+ if (likely(skb->dev && skb->dev->nd_net))
+ return dev_net(skb->dev);
+ if (skb_dst(skb)->dev)
+ return dev_net(skb_dst(skb)->dev);
+ WARN(skb->sk,"Maybe skb_sknet should be used instead in %s() line:%d\n",
+ __func__, __LINE__);
+ if (likely(skb->sk && skb->sk->sk_net))
+ return sock_net(skb->sk);
+ pr_err("There is no net ptr to find in the skb in %s() line:%d\n",
+ __func__, __LINE__);
+ BUG();
+#else
+ return dev_net(skb->dev ? : skb_dst(skb)->dev);
+#endif
+#else
+ return &init_net;
+#endif
+}
+
+static inline struct net *skb_sknet(struct sk_buff *skb) {
+#ifdef CONFIG_NET_NS
+#ifdef CONFIG_IP_VS_DEBUG
+ /* Start with the most likely hit */
+ if (likely(skb->sk && skb->sk->sk_net))
+ return sock_net(skb->sk);
+ WARN(skb->dev,"Maybe skb_net should be used instead in %s() line:%d\n",
+ __func__, __LINE__);
+ if (likely(skb->dev && skb->dev->nd_net))
+ return dev_net(skb->dev);
+ pr_err("There is no net ptr to find in the skb in %s() line:%d\n",
+ __func__, __LINE__);
+ BUG();
+#else
+ return sock_net(skb->sk);
+#endif
+#else
+ return &init_net;
+#endif
+}
/* Connections' size value needed by ip_vs_ctl.c */
extern int ip_vs_conn_tab_size;
@@ -496,6 +547,7 @@ struct ip_vs_service {
unsigned flags; /* service status flags */
unsigned timeout; /* persistent timeout in ticks */
__be32 netmask; /* grouping granularity */
+ struct net *net;
struct list_head destinations; /* real server d-linked list */
__u32 num_dests; /* number of servers */
@@ -896,7 +948,7 @@ extern int sysctl_ip_vs_sync_ver;
extern void ip_vs_sync_switch_mode(int mode);
extern struct ip_vs_service *
-ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
+ip_vs_service_get(struct net *net, int af, __u32 fwmark, __u16 protocol,
const union nf_inet_addr *vaddr, __be16 vport);
static inline void ip_vs_service_put(struct ip_vs_service *svc)
@@ -905,7 +957,7 @@ static inline void ip_vs_service_put(struct ip_vs_service *svc)
}
extern struct ip_vs_dest *
-ip_vs_lookup_real_service(int af, __u16 protocol,
+ip_vs_lookup_real_service(struct net *net, int af, __u16 protocol,
const union nf_inet_addr *daddr, __be16 dport);
extern int ip_vs_use_count_inc(void);
@@ -913,9 +965,9 @@ extern void ip_vs_use_count_dec(void);
extern int ip_vs_control_init(void);
extern void ip_vs_control_cleanup(void);
extern struct ip_vs_dest *
-ip_vs_find_dest(int af, const union nf_inet_addr *daddr, __be16 dport,
- const union nf_inet_addr *vaddr, __be16 vport, __u16 protocol,
- __u32 fwmark);
+ip_vs_find_dest(struct net *net, int af, const union nf_inet_addr *daddr,
+ __be16 dport, const union nf_inet_addr *vaddr, __be16 vport,
+ __u16 protocol, __u32 fwmark);
extern struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp);
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 9068d95..c22fec2 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -21,6 +21,15 @@ struct ctl_table_header;
struct netns_ipvs {
int inc; /* Incarnation */
+ /*
+ * Hash table: for real service lookups
+ */
+ #define IP_VS_RTAB_BITS 4
+ #define IP_VS_RTAB_SIZE (1 << IP_VS_RTAB_BITS)
+ #define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)
+
+ struct list_head rs_table[IP_VS_RTAB_SIZE];
+
};
#endif /* IP_VS_H_ */
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 7c1b502..7a0e79e 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -611,7 +611,7 @@ struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp)
struct ip_vs_dest *dest;
if ((cp) && (!cp->dest)) {
- dest = ip_vs_find_dest(cp->af, &cp->daddr, cp->dport,
+ dest = ip_vs_find_dest(&init_net, cp->af, &cp->daddr, cp->dport,
&cp->vaddr, cp->vport,
cp->protocol, cp->fwmark);
ip_vs_bind_dest(cp, dest);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index cd8616e..68ecc7f 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1031,6 +1031,7 @@ drop:
static unsigned int
ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
{
+ struct net *net = NULL;
struct ip_vs_iphdr iph;
struct ip_vs_protocol *pp;
struct ip_vs_conn *cp;
@@ -1054,6 +1055,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
if (unlikely(!skb_dst(skb)))
return NF_ACCEPT;
+ net = skb_net(skb);
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6) {
@@ -1119,7 +1121,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
sizeof(_ports), _ports);
if (pptr == NULL)
return NF_ACCEPT; /* Not for me */
- if (ip_vs_lookup_real_service(af, iph.protocol,
+ if (ip_vs_lookup_real_service(net, af, iph.protocol,
&iph.saddr,
pptr[0])) {
/*
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 33511f4..45e4b8e 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -290,15 +290,6 @@ static struct list_head ip_vs_svc_table[IP_VS_SVC_TAB_SIZE];
static struct list_head ip_vs_svc_fwm_table[IP_VS_SVC_TAB_SIZE];
/*
- * Hash table: for real service lookups
- */
-#define IP_VS_RTAB_BITS 4
-#define IP_VS_RTAB_SIZE (1 << IP_VS_RTAB_BITS)
-#define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)
-
-static struct list_head ip_vs_rtable[IP_VS_RTAB_SIZE];
-
-/*
* Trash for destinations
*/
static LIST_HEAD(ip_vs_dest_trash);
@@ -314,7 +305,7 @@ static atomic_t ip_vs_nullsvc_counter = ATOMIC_INIT(0);
* Returns hash value for virtual service
*/
static __inline__ unsigned
-ip_vs_svc_hashkey(int af, unsigned proto, const union nf_inet_addr *addr,
+ip_vs_svc_hashkey(struct net *net, int af, unsigned proto, const union nf_inet_addr *addr,
__be16 port)
{
register unsigned porth = ntohs(port);
@@ -325,6 +316,7 @@ ip_vs_svc_hashkey(int af, unsigned proto, const union nf_inet_addr *addr,
addr_fold = addr->ip6[0]^addr->ip6[1]^
addr->ip6[2]^addr->ip6[3];
#endif
+ addr_fold ^= ((size_t)net>>8);
return (proto^ntohl(addr_fold)^(porth>>IP_VS_SVC_TAB_BITS)^porth)
& IP_VS_SVC_TAB_MASK;
@@ -333,13 +325,13 @@ ip_vs_svc_hashkey(int af, unsigned proto, const union nf_inet_addr *addr,
/*
* Returns hash value of fwmark for virtual service lookup
*/
-static __inline__ unsigned ip_vs_svc_fwm_hashkey(__u32 fwmark)
+static __inline__ unsigned ip_vs_svc_fwm_hashkey(struct net *net, __u32 fwmark)
{
- return fwmark & IP_VS_SVC_TAB_MASK;
+ return (((size_t)net>>8) ^ fwmark) & IP_VS_SVC_TAB_MASK;
}
/*
- * Hashes a service in the ip_vs_svc_table by <proto,addr,port>
+ * Hashes a service in the ip_vs_svc_table by <netns,proto,addr,port>
* or in the ip_vs_svc_fwm_table by fwmark.
* Should be called with locked tables.
*/
@@ -355,16 +347,16 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
if (svc->fwmark == 0) {
/*
- * Hash it by <protocol,addr,port> in ip_vs_svc_table
+ * Hash it by <netns,protocol,addr,port> in ip_vs_svc_table
*/
- hash = ip_vs_svc_hashkey(svc->af, svc->protocol, &svc->addr,
- svc->port);
+ hash = ip_vs_svc_hashkey(svc->net, svc->af, svc->protocol,
+ &svc->addr, svc->port);
list_add(&svc->s_list, &ip_vs_svc_table[hash]);
} else {
/*
- * Hash it by fwmark in ip_vs_svc_fwm_table
+ * Hash it by fwmark in svc_fwm_table
*/
- hash = ip_vs_svc_fwm_hashkey(svc->fwmark);
+ hash = ip_vs_svc_fwm_hashkey(svc->net, svc->fwmark);
list_add(&svc->f_list, &ip_vs_svc_fwm_table[hash]);
}
@@ -376,7 +368,7 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
/*
- * Unhashes a service from ip_vs_svc_table/ip_vs_svc_fwm_table.
+ * Unhashes a service from svc_table / svc_fwm_table.
* Should be called with locked tables.
*/
static int ip_vs_svc_unhash(struct ip_vs_service *svc)
@@ -388,10 +380,10 @@ static int ip_vs_svc_unhash(struct ip_vs_service *svc)
}
if (svc->fwmark == 0) {
- /* Remove it from the ip_vs_svc_table table */
+ /* Remove it from the svc_table table */
list_del(&svc->s_list);
} else {
- /* Remove it from the ip_vs_svc_fwm_table table */
+ /* Remove it from the svc_fwm_table table */
list_del(&svc->f_list);
}
@@ -402,23 +394,24 @@ static int ip_vs_svc_unhash(struct ip_vs_service *svc)
/*
- * Get service by {proto,addr,port} in the service table.
+ * Get service by {netns, proto,addr,port} in the service table.
*/
static inline struct ip_vs_service *
-__ip_vs_service_find(int af, __u16 protocol, const union nf_inet_addr *vaddr,
- __be16 vport)
+__ip_vs_service_find(struct net *net, int af, __u16 protocol,
+ const union nf_inet_addr *vaddr, __be16 vport)
{
unsigned hash;
struct ip_vs_service *svc;
/* Check for "full" addressed entries */
- hash = ip_vs_svc_hashkey(af, protocol, vaddr, vport);
+ hash = ip_vs_svc_hashkey(net, af, protocol, vaddr, vport);
list_for_each_entry(svc, &ip_vs_svc_table[hash], s_list){
if ((svc->af == af)
&& ip_vs_addr_equal(af, &svc->addr, vaddr)
&& (svc->port == vport)
- && (svc->protocol == protocol)) {
+ && (svc->protocol == protocol)
+ && net_eq(svc->net, net)) {
/* HIT */
return svc;
}
@@ -432,16 +425,17 @@ __ip_vs_service_find(int af, __u16 protocol, const union nf_inet_addr *vaddr,
* Get service by {fwmark} in the service table.
*/
static inline struct ip_vs_service *
-__ip_vs_svc_fwm_find(int af, __u32 fwmark)
+__ip_vs_svc_fwm_find(struct net *net, int af, __u32 fwmark)
{
unsigned hash;
struct ip_vs_service *svc;
/* Check for fwmark addressed entries */
- hash = ip_vs_svc_fwm_hashkey(fwmark);
+ hash = ip_vs_svc_fwm_hashkey(net, fwmark);
list_for_each_entry(svc, &ip_vs_svc_fwm_table[hash], f_list) {
- if (svc->fwmark == fwmark && svc->af == af) {
+ if (svc->fwmark == fwmark && svc->af == af
+ && net_eq(svc->net, net)) {
/* HIT */
return svc;
}
@@ -451,7 +445,7 @@ __ip_vs_svc_fwm_find(int af, __u32 fwmark)
}
struct ip_vs_service *
-ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
+ip_vs_service_get(struct net *net, int af, __u32 fwmark, __u16 protocol,
const union nf_inet_addr *vaddr, __be16 vport)
{
struct ip_vs_service *svc;
@@ -461,14 +455,14 @@ ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
/*
* Check the table hashed by fwmark first
*/
- if (fwmark && (svc = __ip_vs_svc_fwm_find(af, fwmark)))
+ if (fwmark && (svc = __ip_vs_svc_fwm_find(net, af, fwmark)))
goto out;
/*
* Check the table hashed by <protocol,addr,port>
* for "full" addressed entries
*/
- svc = __ip_vs_service_find(af, protocol, vaddr, vport);
+ svc = __ip_vs_service_find(net, af, protocol, vaddr, vport);
if (svc == NULL
&& protocol == IPPROTO_TCP
@@ -478,7 +472,7 @@ ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
* Check if ftp service entry exists, the packet
* might belong to FTP data connections.
*/
- svc = __ip_vs_service_find(af, protocol, vaddr, FTPPORT);
+ svc = __ip_vs_service_find(net, af, protocol, vaddr, FTPPORT);
}
if (svc == NULL
@@ -486,7 +480,7 @@ ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
/*
* Check if the catch-all port (port zero) exists
*/
- svc = __ip_vs_service_find(af, protocol, vaddr, 0);
+ svc = __ip_vs_service_find(net, af, protocol, vaddr, 0);
}
out:
@@ -547,10 +541,10 @@ static inline unsigned ip_vs_rs_hashkey(int af,
}
/*
- * Hashes ip_vs_dest in ip_vs_rtable by <proto,addr,port>.
+ * Hashes ip_vs_dest in rs_table by <proto,addr,port>.
* should be called with locked tables.
*/
-static int ip_vs_rs_hash(struct ip_vs_dest *dest)
+static int ip_vs_rs_hash(struct netns_ipvs *ipvs, struct ip_vs_dest *dest)
{
unsigned hash;
@@ -564,19 +558,19 @@ static int ip_vs_rs_hash(struct ip_vs_dest *dest)
*/
hash = ip_vs_rs_hashkey(dest->af, &dest->addr, dest->port);
- list_add(&dest->d_list, &ip_vs_rtable[hash]);
+ list_add(&dest->d_list, &ipvs->rs_table[hash]);
return 1;
}
/*
- * UNhashes ip_vs_dest from ip_vs_rtable.
+ * UNhashes ip_vs_dest from rs_table.
* should be called with locked tables.
*/
static int ip_vs_rs_unhash(struct ip_vs_dest *dest)
{
/*
- * Remove it from the ip_vs_rtable table.
+ * Remove it from the rs_table table.
*/
if (!list_empty(&dest->d_list)) {
list_del(&dest->d_list);
@@ -590,10 +584,11 @@ static int ip_vs_rs_unhash(struct ip_vs_dest *dest)
* Lookup real service by <proto,addr,port> in the real service table.
*/
struct ip_vs_dest *
-ip_vs_lookup_real_service(int af, __u16 protocol,
+ip_vs_lookup_real_service(struct net *net, int af, __u16 protocol,
const union nf_inet_addr *daddr,
__be16 dport)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
unsigned hash;
struct ip_vs_dest *dest;
@@ -604,7 +599,7 @@ ip_vs_lookup_real_service(int af, __u16 protocol,
hash = ip_vs_rs_hashkey(af, daddr, dport);
read_lock(&__ip_vs_rs_lock);
- list_for_each_entry(dest, &ip_vs_rtable[hash], d_list) {
+ list_for_each_entry(dest, &ipvs->rs_table[hash], d_list) {
if ((dest->af == af)
&& ip_vs_addr_equal(af, &dest->addr, daddr)
&& (dest->port == dport)
@@ -654,7 +649,8 @@ ip_vs_lookup_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
* ip_vs_lookup_real_service() looked promissing, but
* seems not working as expected.
*/
-struct ip_vs_dest *ip_vs_find_dest(int af, const union nf_inet_addr *daddr,
+struct ip_vs_dest *ip_vs_find_dest(struct net *net, int af,
+ const union nf_inet_addr *daddr,
__be16 dport,
const union nf_inet_addr *vaddr,
__be16 vport, __u16 protocol, __u32 fwmark)
@@ -662,7 +658,7 @@ struct ip_vs_dest *ip_vs_find_dest(int af, const union nf_inet_addr *daddr,
struct ip_vs_dest *dest;
struct ip_vs_service *svc;
- svc = ip_vs_service_get(af, fwmark, protocol, vaddr, vport);
+ svc = ip_vs_service_get(net, af, fwmark, protocol, vaddr, vport);
if (!svc)
return NULL;
dest = ip_vs_lookup_dest(svc, daddr, dport);
@@ -770,6 +766,7 @@ static void
__ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
struct ip_vs_dest_user_kern *udest, int add)
{
+ struct netns_ipvs *ipvs = net_ipvs(svc->net);
int conn_flags;
/* set the weight and the flags */
@@ -782,11 +779,11 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
conn_flags |= IP_VS_CONN_F_NOOUTPUT;
} else {
/*
- * Put the real service in ip_vs_rtable if not present.
+ * Put the real service in rs_table if not present.
* For now only for NAT!
*/
write_lock_bh(&__ip_vs_rs_lock);
- ip_vs_rs_hash(dest);
+ ip_vs_rs_hash(ipvs, dest);
write_unlock_bh(&__ip_vs_rs_lock);
}
atomic_set(&dest->conn_flags, conn_flags);
@@ -1119,7 +1116,7 @@ ip_vs_del_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
* Add a service into the service hash table
*/
static int
-ip_vs_add_service(struct ip_vs_service_user_kern *u,
+ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u,
struct ip_vs_service **svc_p)
{
int ret = 0;
@@ -1174,6 +1171,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
svc->flags = u->flags;
svc->timeout = u->timeout * HZ;
svc->netmask = u->netmask;
+ svc->net = net;
INIT_LIST_HEAD(&svc->destinations);
rwlock_init(&svc->sched_lock);
@@ -1430,17 +1428,19 @@ static int ip_vs_del_service(struct ip_vs_service *svc)
/*
* Flush all the virtual services
*/
-static int ip_vs_flush(void)
+static int ip_vs_flush(struct net *net)
{
int idx;
struct ip_vs_service *svc, *nxt;
/*
- * Flush the service table hashed by <protocol,addr,port>
+ * Flush the service table hashed by <netns,protocol,addr,port>
*/
for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
- list_for_each_entry_safe(svc, nxt, &ip_vs_svc_table[idx], s_list) {
- ip_vs_unlink_service(svc);
+ list_for_each_entry_safe(svc, nxt, &ip_vs_svc_table[idx],
+ s_list) {
+ if (net_eq(svc->net, net))
+ ip_vs_unlink_service(svc);
}
}
@@ -1450,7 +1450,8 @@ static int ip_vs_flush(void)
for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry_safe(svc, nxt,
&ip_vs_svc_fwm_table[idx], f_list) {
- ip_vs_unlink_service(svc);
+ if (net_eq(svc->net, net))
+ ip_vs_unlink_service(svc);
}
}
@@ -1474,20 +1475,22 @@ static int ip_vs_zero_service(struct ip_vs_service *svc)
return 0;
}
-static int ip_vs_zero_all(void)
+static int ip_vs_zero_all(struct net *net)
{
int idx;
struct ip_vs_service *svc;
for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
- ip_vs_zero_service(svc);
+ if (net_eq(svc->net, net))
+ ip_vs_zero_service(svc);
}
}
for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
- ip_vs_zero_service(svc);
+ if (net_eq(svc->net, net))
+ ip_vs_zero_service(svc);
}
}
@@ -1765,6 +1768,7 @@ static struct ctl_table_header * sysctl_header;
#ifdef CONFIG_PROC_FS
struct ip_vs_iter {
+ struct seq_net_private p; /* Do not move this, netns depends upon it*/
struct list_head *table;
int bucket;
};
@@ -1791,6 +1795,7 @@ static inline const char *ip_vs_fwd_name(unsigned flags)
/* Get the Nth entry in the two lists */
static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos)
{
+ struct net *net = seq_file_net(seq);
struct ip_vs_iter *iter = seq->private;
int idx;
struct ip_vs_service *svc;
@@ -1798,7 +1803,7 @@ static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos)
/* look in hash by protocol */
for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
- if (pos-- == 0){
+ if (net_eq(svc->net, net) && pos-- == 0){
iter->table = ip_vs_svc_table;
iter->bucket = idx;
return svc;
@@ -1809,7 +1814,7 @@ static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos)
/* keep looking in fwmark */
for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
- if (pos-- == 0) {
+ if (net_eq(svc->net, net) && pos-- == 0) {
iter->table = ip_vs_svc_fwm_table;
iter->bucket = idx;
return svc;
@@ -1963,7 +1968,7 @@ static const struct seq_operations ip_vs_info_seq_ops = {
static int ip_vs_info_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &ip_vs_info_seq_ops,
+ return seq_open_net(inode, file, &ip_vs_info_seq_ops,
sizeof(struct ip_vs_iter));
}
@@ -2013,7 +2018,7 @@ static int ip_vs_stats_show(struct seq_file *seq, void *v)
static int ip_vs_stats_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, ip_vs_stats_show, NULL);
+ return single_open_net(inode, file, ip_vs_stats_show);
}
static const struct file_operations ip_vs_stats_fops = {
@@ -2115,6 +2120,7 @@ static void ip_vs_copy_udest_compat(struct ip_vs_dest_user_kern *udest,
static int
do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
{
+ struct net *net = sock_net(sk);
int ret;
unsigned char arg[MAX_ARG_LEN];
struct ip_vs_service_user *usvc_compat;
@@ -2149,7 +2155,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
if (cmd == IP_VS_SO_SET_FLUSH) {
/* Flush the virtual service */
- ret = ip_vs_flush();
+ ret = ip_vs_flush(net);
goto out_unlock;
} else if (cmd == IP_VS_SO_SET_TIMEOUT) {
/* Set timeout values for (tcp tcpfin udp) */
@@ -2176,7 +2182,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
if (cmd == IP_VS_SO_SET_ZERO) {
/* if no service address is set, zero counters in all */
if (!usvc.fwmark && !usvc.addr.ip && !usvc.port) {
- ret = ip_vs_zero_all();
+ ret = ip_vs_zero_all(net);
goto out_unlock;
}
}
@@ -2193,10 +2199,10 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
/* Lookup the exact service by <protocol, addr, port> or fwmark */
if (usvc.fwmark == 0)
- svc = __ip_vs_service_find(usvc.af, usvc.protocol,
+ svc = __ip_vs_service_find(net, usvc.af, usvc.protocol,
&usvc.addr, usvc.port);
else
- svc = __ip_vs_svc_fwm_find(usvc.af, usvc.fwmark);
+ svc = __ip_vs_svc_fwm_find(net, usvc.af, usvc.fwmark);
if (cmd != IP_VS_SO_SET_ADD
&& (svc == NULL || svc->protocol != usvc.protocol)) {
@@ -2209,7 +2215,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
if (svc != NULL)
ret = -EEXIST;
else
- ret = ip_vs_add_service(&usvc, &svc);
+ ret = ip_vs_add_service(net, &usvc, &svc);
break;
case IP_VS_SO_SET_EDIT:
ret = ip_vs_edit_service(svc, &usvc);
@@ -2269,7 +2275,7 @@ ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src)
}
static inline int
-__ip_vs_get_service_entries(const struct ip_vs_get_services *get,
+__ip_vs_get_service_entries(struct net *net, const struct ip_vs_get_services *get,
struct ip_vs_get_services __user *uptr)
{
int idx, count=0;
@@ -2280,7 +2286,7 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
/* Only expose IPv4 entries to old interface */
- if (svc->af != AF_INET)
+ if (svc->af != AF_INET || !net_eq(svc->net, net))
continue;
if (count >= get->num_services)
@@ -2299,7 +2305,7 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
/* Only expose IPv4 entries to old interface */
- if (svc->af != AF_INET)
+ if (svc->af != AF_INET || !net_eq(svc->net, net))
continue;
if (count >= get->num_services)
@@ -2319,7 +2325,7 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
}
static inline int
-__ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
+__ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
struct ip_vs_get_dests __user *uptr)
{
struct ip_vs_service *svc;
@@ -2327,9 +2333,9 @@ __ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
int ret = 0;
if (get->fwmark)
- svc = __ip_vs_svc_fwm_find(AF_INET, get->fwmark);
+ svc = __ip_vs_svc_fwm_find(net, AF_INET, get->fwmark);
else
- svc = __ip_vs_service_find(AF_INET, get->protocol, &addr,
+ svc = __ip_vs_service_find(net, AF_INET, get->protocol, &addr,
get->port);
if (svc) {
@@ -2403,7 +2409,9 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
unsigned char arg[128];
int ret = 0;
unsigned int copylen;
+ struct net *net = sock_net(sk);
+ BUG_ON(!net);
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -2465,7 +2473,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
ret = -EINVAL;
goto out;
}
- ret = __ip_vs_get_service_entries(get, user);
+ ret = __ip_vs_get_service_entries(net, get, user);
}
break;
@@ -2478,9 +2486,9 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
entry = (struct ip_vs_service_entry *)arg;
addr.ip = entry->addr;
if (entry->fwmark)
- svc = __ip_vs_svc_fwm_find(AF_INET, entry->fwmark);
+ svc = __ip_vs_svc_fwm_find(net, AF_INET, entry->fwmark);
else
- svc = __ip_vs_service_find(AF_INET, entry->protocol,
+ svc = __ip_vs_service_find(net, AF_INET, entry->protocol,
&addr, entry->port);
if (svc) {
ip_vs_copy_service(entry, svc);
@@ -2504,7 +2512,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
ret = -EINVAL;
goto out;
}
- ret = __ip_vs_get_dest_entries(get, user);
+ ret = __ip_vs_get_dest_entries(net, get, user);
}
break;
@@ -2724,11 +2732,12 @@ static int ip_vs_genl_dump_services(struct sk_buff *skb,
int idx = 0, i;
int start = cb->args[0];
struct ip_vs_service *svc;
+ struct net *net = skb_sknet(skb);
mutex_lock(&__ip_vs_mutex);
for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) {
list_for_each_entry(svc, &ip_vs_svc_table[i], s_list) {
- if (++idx <= start)
+ if (++idx <= start || !net_eq(svc->net, net))
continue;
if (ip_vs_genl_dump_service(skb, svc, cb) < 0) {
idx--;
@@ -2739,7 +2748,7 @@ static int ip_vs_genl_dump_services(struct sk_buff *skb,
for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) {
list_for_each_entry(svc, &ip_vs_svc_fwm_table[i], f_list) {
- if (++idx <= start)
+ if (++idx <= start || !net_eq(svc->net, net))
continue;
if (ip_vs_genl_dump_service(skb, svc, cb) < 0) {
idx--;
@@ -2755,7 +2764,8 @@ nla_put_failure:
return skb->len;
}
-static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
+static int ip_vs_genl_parse_service(struct net *net,
+ struct ip_vs_service_user_kern *usvc,
struct nlattr *nla, int full_entry,
struct ip_vs_service **ret_svc)
{
@@ -2798,9 +2808,9 @@ static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
}
if (usvc->fwmark)
- svc = __ip_vs_svc_fwm_find(usvc->af, usvc->fwmark);
+ svc = __ip_vs_svc_fwm_find(net, usvc->af, usvc->fwmark);
else
- svc = __ip_vs_service_find(usvc->af, usvc->protocol,
+ svc = __ip_vs_service_find(net, usvc->af, usvc->protocol,
&usvc->addr, usvc->port);
*ret_svc = svc;
@@ -2837,13 +2847,14 @@ static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
return 0;
}
-static struct ip_vs_service *ip_vs_genl_find_service(struct nlattr *nla)
+static struct ip_vs_service *ip_vs_genl_find_service(struct net *net,
+ struct nlattr *nla)
{
struct ip_vs_service_user_kern usvc;
struct ip_vs_service *svc;
int ret;
- ret = ip_vs_genl_parse_service(&usvc, nla, 0, &svc);
+ ret = ip_vs_genl_parse_service(net, &usvc, nla, 0, &svc);
return ret ? ERR_PTR(ret) : svc;
}
@@ -2911,6 +2922,7 @@ static int ip_vs_genl_dump_dests(struct sk_buff *skb,
struct ip_vs_service *svc;
struct ip_vs_dest *dest;
struct nlattr *attrs[IPVS_CMD_ATTR_MAX + 1];
+ struct net *net;
mutex_lock(&__ip_vs_mutex);
@@ -2919,7 +2931,8 @@ static int ip_vs_genl_dump_dests(struct sk_buff *skb,
IPVS_CMD_ATTR_MAX, ip_vs_cmd_policy))
goto out_err;
- svc = ip_vs_genl_find_service(attrs[IPVS_CMD_ATTR_SERVICE]);
+ net = skb_sknet(skb);
+ svc = ip_vs_genl_find_service(net, attrs[IPVS_CMD_ATTR_SERVICE]);
if (IS_ERR(svc) || svc == NULL)
goto out_err;
@@ -3104,13 +3117,15 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
struct ip_vs_dest_user_kern udest;
int ret = 0, cmd;
int need_full_svc = 0, need_full_dest = 0;
+ struct net *net;
+ net = skb_sknet(skb);
cmd = info->genlhdr->cmd;
mutex_lock(&__ip_vs_mutex);
if (cmd == IPVS_CMD_FLUSH) {
- ret = ip_vs_flush();
+ ret = ip_vs_flush(net);
goto out;
} else if (cmd == IPVS_CMD_SET_CONFIG) {
ret = ip_vs_genl_set_config(info->attrs);
@@ -3135,7 +3150,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
goto out;
} else if (cmd == IPVS_CMD_ZERO &&
!info->attrs[IPVS_CMD_ATTR_SERVICE]) {
- ret = ip_vs_zero_all();
+ ret = ip_vs_zero_all(net);
goto out;
}
@@ -3145,7 +3160,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
if (cmd == IPVS_CMD_NEW_SERVICE || cmd == IPVS_CMD_SET_SERVICE)
need_full_svc = 1;
- ret = ip_vs_genl_parse_service(&usvc,
+ ret = ip_vs_genl_parse_service(net, &usvc,
info->attrs[IPVS_CMD_ATTR_SERVICE],
need_full_svc, &svc);
if (ret)
@@ -3175,7 +3190,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
switch (cmd) {
case IPVS_CMD_NEW_SERVICE:
if (svc == NULL)
- ret = ip_vs_add_service(&usvc, &svc);
+ ret = ip_vs_add_service(net, &usvc, &svc);
else
ret = -EEXIST;
break;
@@ -3213,7 +3228,9 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
struct sk_buff *msg;
void *reply;
int ret, cmd, reply_cmd;
+ struct net *net;
+ net = skb_sknet(skb);
cmd = info->genlhdr->cmd;
if (cmd == IPVS_CMD_GET_SERVICE)
@@ -3242,7 +3259,8 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
{
struct ip_vs_service *svc;
- svc = ip_vs_genl_find_service(info->attrs[IPVS_CMD_ATTR_SERVICE]);
+ svc = ip_vs_genl_find_service(net,
+ info->attrs[IPVS_CMD_ATTR_SERVICE]);
if (IS_ERR(svc)) {
ret = PTR_ERR(svc);
goto out_err;
@@ -3413,9 +3431,16 @@ static void ip_vs_genl_unregister(void)
*/
int __net_init __ip_vs_control_init(struct net *net)
{
+ int idx;
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
if (!net_eq(net, &init_net)) /* netns not enabled yet */
return -EPERM;
+ for(idx = 0; idx < IP_VS_RTAB_SIZE; idx++) {
+ INIT_LIST_HEAD(&ipvs->rs_table[idx]);
+ }
+
proc_net_fops_create(net, "ip_vs", 0, &ip_vs_info_fops);
proc_net_fops_create(net, "ip_vs_stats", 0, &ip_vs_stats_fops);
sysctl_header = register_net_sysctl_table(net, net_vs_ctl_path, vs_vars);
@@ -3446,43 +3471,48 @@ static struct pernet_operations ipvs_control_ops = {
int __init ip_vs_control_init(void)
{
- int ret;
int idx;
+ int ret;
EnterFunction(2);
- /* Initialize ip_vs_svc_table, ip_vs_svc_fwm_table, ip_vs_rtable */
+ /* Initialize svc_table, ip_vs_svc_fwm_table, rs_table */
for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
INIT_LIST_HEAD(&ip_vs_svc_table[idx]);
INIT_LIST_HEAD(&ip_vs_svc_fwm_table[idx]);
}
- for(idx = 0; idx < IP_VS_RTAB_SIZE; idx++) {
- INIT_LIST_HEAD(&ip_vs_rtable[idx]);
+
+ ret = register_pernet_subsys(&ipvs_control_ops);
+ if (ret) {
+ pr_err("cannot register namespace.\n");
+ goto err;
}
- smp_wmb();
+
+ smp_wmb(); /* Do wee really need it now ? */
ret = nf_register_sockopt(&ip_vs_sockopts);
if (ret) {
pr_err("cannot register sockopt.\n");
- return ret;
+ goto err_net;
}
ret = ip_vs_genl_register();
if (ret) {
pr_err("cannot register Generic Netlink interface.\n");
nf_unregister_sockopt(&ip_vs_sockopts);
- return ret;
+ goto err_net;
}
- ret = register_pernet_subsys(&ipvs_control_ops);
- if (ret)
- return ret;
-
/* Hook the defense timer */
schedule_delayed_work(&defense_work, DEFENSE_TIMER_PERIOD);
LeaveFunction(2);
return 0;
+
+err_net:
+ unregister_pernet_subsys(&ipvs_control_ops);
+err:
+ return ret;
}
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index a315159..521b827 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -12,6 +12,7 @@ static int
sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
int *verdict, struct ip_vs_conn **cpp)
{
+ struct net *net;
struct ip_vs_service *svc;
sctp_chunkhdr_t _schunkh, *sch;
sctp_sctphdr_t *sh, _sctph;
@@ -27,9 +28,9 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
sizeof(_schunkh), &_schunkh);
if (sch == NULL)
return 0;
-
+ net = skb_net(skb);
if ((sch->type == SCTP_CID_INIT) &&
- (svc = ip_vs_service_get(af, skb->mark, iph.protocol,
+ (svc = ip_vs_service_get(net, af, skb->mark, iph.protocol,
&iph.daddr, sh->dest))) {
int ignored;
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 1cdab12..5e4da60 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -31,6 +31,7 @@ static int
tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
int *verdict, struct ip_vs_conn **cpp)
{
+ struct net *net;
struct ip_vs_service *svc;
struct tcphdr _tcph, *th;
struct ip_vs_iphdr iph;
@@ -42,10 +43,10 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
*verdict = NF_DROP;
return 0;
}
-
+ net = skb_net(skb);
/* No !th->ack check to allow scheduling on SYN+ACK for Active FTP */
if (th->syn &&
- (svc = ip_vs_service_get(af, skb->mark, iph.protocol, &iph.daddr,
+ (svc = ip_vs_service_get(net, af, skb->mark, iph.protocol, &iph.daddr,
th->dest))) {
int ignored;
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index cd398de..5ab54f6 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -31,6 +31,7 @@ static int
udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
int *verdict, struct ip_vs_conn **cpp)
{
+ struct net *net;
struct ip_vs_service *svc;
struct udphdr _udph, *uh;
struct ip_vs_iphdr iph;
@@ -42,8 +43,8 @@ udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
*verdict = NF_DROP;
return 0;
}
-
- svc = ip_vs_service_get(af, skb->mark, iph.protocol,
+ net = skb_net(skb);
+ svc = ip_vs_service_get(net, af, skb->mark, iph.protocol,
&iph.daddr, uh->dest);
if (svc) {
int ignored;
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index ea390f8..df74b2c 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -749,7 +749,7 @@ static void ip_vs_proc_conn(struct ip_vs_conn_param *param, unsigned flags,
* If it is not found the connection will remain unbound
* but still handled.
*/
- dest = ip_vs_find_dest(type, daddr, dport, param->vaddr,
+ dest = ip_vs_find_dest(&init_net, type, daddr, dport, param->vaddr,
param->vport, protocol, fwmark);
/* Set the approprite ativity flag */
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 03/22] IPVS: netns awarness to lblcr sheduler
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
var sysctl_ip_vs_lblcr_expiration moved to ipvs struct as
sysctl_lblcr_expiration
procfs updated to handle this.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/netns/ip_vs.h | 4 +++
net/netfilter/ipvs/ip_vs_lblcr.c | 52 +++++++++++++++++++++++++------------
2 files changed, 39 insertions(+), 17 deletions(-)
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index c22fec2..17e4e3a 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -30,6 +30,10 @@ struct netns_ipvs {
struct list_head rs_table[IP_VS_RTAB_SIZE];
+ /* ip_vs_lblcr */
+ int sysctl_lblcr_expiration;
+ struct ctl_table_header *lblcr_ctl_header;
+ struct ctl_table *lblcr_ctl_table;
};
#endif /* IP_VS_H_ */
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index 7c7396a..91568c3 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -70,8 +70,6 @@
* entries that haven't been touched for a day.
*/
#define COUNT_FOR_FULL_EXPIRATION 30
-static int sysctl_ip_vs_lblcr_expiration = 24*60*60*HZ;
-
/*
* for IPVS lblcr entry hash table
@@ -296,7 +294,7 @@ struct ip_vs_lblcr_table {
static ctl_table vs_vars_table[] = {
{
.procname = "lblcr_expiration",
- .data = &sysctl_ip_vs_lblcr_expiration,
+ .data = NULL,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
@@ -304,8 +302,6 @@ static ctl_table vs_vars_table[] = {
{ }
};
-static struct ctl_table_header * sysctl_header;
-
static inline void ip_vs_lblcr_free(struct ip_vs_lblcr_entry *en)
{
list_del(&en->list);
@@ -425,13 +421,14 @@ static inline void ip_vs_lblcr_full_check(struct ip_vs_service *svc)
unsigned long now = jiffies;
int i, j;
struct ip_vs_lblcr_entry *en, *nxt;
+ struct netns_ipvs *ipvs = net_ipvs(svc->net);
for (i=0, j=tbl->rover; i<IP_VS_LBLCR_TAB_SIZE; i++) {
j = (j + 1) & IP_VS_LBLCR_TAB_MASK;
write_lock(&svc->sched_lock);
list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) {
- if (time_after(en->lastuse+sysctl_ip_vs_lblcr_expiration,
+ if (time_after(en->lastuse+ipvs->sysctl_lblcr_expiration,
now))
continue;
@@ -664,6 +661,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
read_lock(&svc->sched_lock);
en = ip_vs_lblcr_get(svc->af, tbl, &iph.daddr);
if (en) {
+ struct netns_ipvs *ipvs = net_ipvs(svc->net);
/* We only hold a read lock, but this is atomic */
en->lastuse = jiffies;
@@ -675,7 +673,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
/* More than one destination + enough time passed by, cleanup */
if (atomic_read(&en->set.size) > 1 &&
time_after(jiffies, en->set.lastmod +
- sysctl_ip_vs_lblcr_expiration)) {
+ ipvs->sysctl_lblcr_expiration)) {
struct ip_vs_dest *m;
write_lock(&en->set.lock);
@@ -749,23 +747,43 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
*/
static int __net_init __ip_vs_lblcr_init(struct net *net)
{
- if (!net_eq(net, &init_net)) /* netns not enabled yet */
- return -EPERM;
-
- sysctl_header = register_net_sysctl_table(net, net_vs_ctl_path,
- vs_vars_table);
- if (!sysctl_header)
- return -ENOMEM;
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ if (!net_eq(net, &init_net)) {
+ ipvs->lblcr_ctl_table = kmemdup(vs_vars_table,
+ sizeof(vs_vars_table),
+ GFP_KERNEL);
+ if (ipvs->lblcr_ctl_table == NULL)
+ goto err_dup;
+ } else
+ ipvs->lblcr_ctl_table = vs_vars_table;
+ ipvs->sysctl_lblcr_expiration = 24*60*60*HZ;
+ ipvs->lblcr_ctl_table[0].data = &ipvs->sysctl_lblcr_expiration;
+
+ ipvs->lblcr_ctl_header =
+ register_net_sysctl_table(net, net_vs_ctl_path,
+ ipvs->lblcr_ctl_table);
+ if (!ipvs->lblcr_ctl_header)
+ goto err_reg;
return 0;
+
+err_reg:
+ if (!net_eq(net, &init_net))
+ kfree(ipvs->lblcr_ctl_table);
+
+err_dup:
+ return -ENOMEM;
}
static void __net_exit __ip_vs_lblcr_exit(struct net *net)
{
- if (!net_eq(net, &init_net)) /* netns not enabled yet */
- return;
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ unregister_net_sysctl_table(ipvs->lblcr_ctl_header);
- unregister_net_sysctl_table(sysctl_header);
+ if (!net_eq(net, &init_net))
+ kfree(ipvs->lblcr_ctl_table);
}
static struct pernet_operations ip_vs_lblcr_ops = {
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 05/22] IPVS: netns, prepare protocol
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
Add support for protocol data per name-space.
in struct ip_vs_protocol, appcnt will be removed when all protos
are modified for network name-space.
This patch causes warnings of unused functions, they will be used
when next patch will be applied.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 20 +++++++++++-
include/net/netns/ip_vs.h | 3 ++
net/netfilter/ipvs/ip_vs_proto.c | 66 ++++++++++++++++++++++++++++++++++++++
3 files changed, 88 insertions(+), 1 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 70c5462..4fc61bc 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -350,6 +350,7 @@ struct iphdr;
struct ip_vs_conn;
struct ip_vs_app;
struct sk_buff;
+struct ip_vs_proto_data;
struct ip_vs_protocol {
struct ip_vs_protocol *next;
@@ -364,6 +365,10 @@ struct ip_vs_protocol {
void (*exit)(struct ip_vs_protocol *pp);
+ void (*init_netns)(struct net *net, struct ip_vs_proto_data *pd);
+
+ void (*exit_netns)(struct net *net, struct ip_vs_proto_data *pd);
+
int (*conn_schedule)(int af, struct sk_buff *skb,
struct ip_vs_protocol *pp,
int *verdict, struct ip_vs_conn **cpp);
@@ -415,7 +420,20 @@ struct ip_vs_protocol {
int (*set_state_timeout)(struct ip_vs_protocol *pp, char *sname, int to);
};
-extern struct ip_vs_protocol * ip_vs_proto_get(unsigned short proto);
+/*
+ * protocol data per netns
+ */
+struct ip_vs_proto_data {
+ struct ip_vs_proto_data *next;
+ struct ip_vs_protocol *pp;
+ int *timeout_table; /* protocol timeout table */
+ atomic_t appcnt; /* counter of proto app incs. */
+ struct tcp_states_t *tcp_state_table;
+};
+
+extern struct ip_vs_protocol * ip_vs_proto_get(unsigned short proto);
+extern struct ip_vs_proto_data * ip_vs_proto_data_get(struct net *net,
+ unsigned short proto);
struct ip_vs_conn_param {
const union nf_inet_addr *caddr;
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 4c8d751..b7d7815 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -29,6 +29,9 @@ struct netns_ipvs {
#define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)
struct list_head rs_table[IP_VS_RTAB_SIZE];
+ /* ip_vs_proto */
+ #define IP_VS_PROTO_TAB_SIZE 32 /* must be power of 2 */
+ struct ip_vs_proto_data *proto_data_table[IP_VS_PROTO_TAB_SIZE];
/* ip_vs_lblc */
int sysctl_lblc_expiration;
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 27bf034..8caaf3e 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -60,6 +60,31 @@ static int __used __init register_ip_vs_protocol(struct ip_vs_protocol *pp)
return 0;
}
+/*
+ * register an ipvs protocols netns related data
+ */
+static int
+register_ip_vs_proto_netns(struct net *net, struct ip_vs_protocol *pp)
+{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ unsigned hash = IP_VS_PROTO_HASH(pp->protocol);
+ struct ip_vs_proto_data *pd =
+ kzalloc(sizeof(struct ip_vs_proto_data), GFP_ATOMIC);
+
+ if (!pd) {
+ pr_err("%s(): no memory.\n", __func__);
+ return -ENOMEM;
+ }
+ pd->pp = pp; /* For speed issues */
+ pd->next = ipvs->proto_data_table[hash];
+ ipvs->proto_data_table[hash] = pd;
+ atomic_set(&pd->appcnt, 0); /* Init app counter */
+
+ if (pp->init_netns != NULL)
+ pp->init_netns(net, pd);
+
+ return 0;
+}
/*
* unregister an ipvs protocol
@@ -82,6 +107,29 @@ static int unregister_ip_vs_protocol(struct ip_vs_protocol *pp)
return -ESRCH;
}
+/*
+ * unregister an ipvs protocols netns data
+ */
+static int
+unregister_ip_vs_proto_netns(struct net *net, struct ip_vs_proto_data *pd)
+{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ struct ip_vs_proto_data **pd_p;
+ unsigned hash = IP_VS_PROTO_HASH(pd->pp->protocol);
+
+ pd_p = &ipvs->proto_data_table[hash];
+ for (; *pd_p; pd_p = &(*pd_p)->next) {
+ if (*pd_p == pd) {
+ *pd_p = pd->next;
+ if (pd->pp->exit_netns != NULL)
+ pd->pp->exit_netns(net, pd);
+ kfree(pd);
+ return 0;
+ }
+ }
+
+ return -ESRCH;
+}
/*
* get ip_vs_protocol object by its proto.
@@ -100,6 +148,24 @@ struct ip_vs_protocol * ip_vs_proto_get(unsigned short proto)
}
EXPORT_SYMBOL(ip_vs_proto_get);
+/*
+ * get ip_vs_protocol object data by netns and proto
+ */
+struct ip_vs_proto_data *
+ip_vs_proto_data_get(struct net *net, unsigned short proto)
+{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ struct ip_vs_proto_data *pd;
+ unsigned hash = IP_VS_PROTO_HASH(proto);
+
+ for (pd = ipvs->proto_data_table[hash]; pd; pd = pd->next) {
+ if (pd->pp->protocol == proto)
+ return pd;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(ip_vs_proto_data_get);
/*
* Propagate event for state change to all protocols
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 06/22] IPVS: netns preparation for proto_tcp
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
In this phase (one), all local vars will be moved to ipvs struct.
Remaining work, add param struct net *net to a couple of
functions that is common for all protos and use all
ip_vs_proto_data
*v3
Removed unused function as sugested by Simon
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 6 +-
include/net/netns/ip_vs.h | 8 +++
net/netfilter/ipvs/ip_vs_ftp.c | 8 ++-
net/netfilter/ipvs/ip_vs_proto.c | 13 ++++-
net/netfilter/ipvs/ip_vs_proto_tcp.c | 101 ++++++++++++++++++----------------
5 files changed, 83 insertions(+), 53 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 4fc61bc..8e544be 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -41,7 +41,7 @@ static inline struct netns_ipvs * net_ipvs(struct net* net)
* Get net ptr from skb in traffic cases
* use skb_sknet when call is from userland (ioctl or netlink)
*/
-static inline struct net *skb_net(struct sk_buff *skb) {
+static inline struct net *skb_net(const struct sk_buff *skb) {
#ifdef CONFIG_NET_NS
#ifdef CONFIG_IP_VS_DEBUG
/*
@@ -68,7 +68,7 @@ static inline struct net *skb_net(struct sk_buff *skb) {
#endif
}
-static inline struct net *skb_sknet(struct sk_buff *skb) {
+static inline struct net *skb_sknet(const struct sk_buff *skb) {
#ifdef CONFIG_NET_NS
#ifdef CONFIG_IP_VS_DEBUG
/* Start with the most likely hit */
@@ -805,7 +805,7 @@ extern void ip_vs_conn_expire_now(struct ip_vs_conn *cp);
extern const char * ip_vs_state_name(__u16 proto, int state);
-extern void ip_vs_tcp_conn_listen(struct ip_vs_conn *cp);
+extern void ip_vs_tcp_conn_listen(struct net *net, struct ip_vs_conn *cp);
extern int ip_vs_check_template(struct ip_vs_conn *ct);
extern void ip_vs_random_dropentry(void);
extern int ip_vs_conn_init(void);
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index b7d7815..512cdd0 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -32,6 +32,14 @@ struct netns_ipvs {
/* ip_vs_proto */
#define IP_VS_PROTO_TAB_SIZE 32 /* must be power of 2 */
struct ip_vs_proto_data *proto_data_table[IP_VS_PROTO_TAB_SIZE];
+ /* ip_vs_proto_tcp */
+#ifdef CONFIG_IP_VS_PROTO_TCP
+ #define TCP_APP_TAB_BITS 4
+ #define TCP_APP_TAB_SIZE (1 << TCP_APP_TAB_BITS)
+ #define TCP_APP_TAB_MASK (TCP_APP_TAB_SIZE - 1)
+ struct list_head tcp_apps[TCP_APP_TAB_SIZE];
+ spinlock_t tcp_app_lock;
+#endif
/* ip_vs_lblc */
int sysctl_lblc_expiration;
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 0e762f3..b38ae94 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -157,6 +157,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
int ret = 0;
enum ip_conntrack_info ctinfo;
struct nf_conn *ct;
+ struct net *net;
#ifdef CONFIG_IP_VS_IPV6
/* This application helper doesn't work with IPv6 yet,
@@ -257,8 +258,9 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
* would be adjusted twice.
*/
+ net = skb_net(skb);
cp->app_data = NULL;
- ip_vs_tcp_conn_listen(n_cp);
+ ip_vs_tcp_conn_listen(net, n_cp);
ip_vs_conn_put(n_cp);
return ret;
}
@@ -287,6 +289,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
union nf_inet_addr to;
__be16 port;
struct ip_vs_conn *n_cp;
+ struct net *net;
#ifdef CONFIG_IP_VS_IPV6
/* This application helper doesn't work with IPv6 yet,
@@ -378,7 +381,8 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
/*
* Move tunnel to listen state
*/
- ip_vs_tcp_conn_listen(n_cp);
+ net = skb_net(skb);
+ ip_vs_tcp_conn_listen(net, n_cp);
ip_vs_conn_put(n_cp);
return 1;
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 8caaf3e..90d69c5 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -307,12 +307,23 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
*/
static int __net_init __ip_vs_protocol_init(struct net *net)
{
+#ifdef CONFIG_IP_VS_PROTO_TCP
+ register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
+#endif
return 0;
}
static void __net_exit __ip_vs_protocol_cleanup(struct net *net)
{
- /* empty */
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ struct ip_vs_proto_data *pd;
+ int i;
+
+ /* unregister all the ipvs proto data for this netns */
+ for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
+ while ((pd = ipvs->proto_data_table[i]) != NULL)
+ unregister_ip_vs_proto_netns(net, pd);
+ }
}
static struct pernet_operations ipvs_proto_ops = {
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 5e4da60..88f3a22 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -9,8 +9,12 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Changes:
+ * Changes: Hans Schillstrom <hans.schillstrom@ericsson.com>
*
+ * Network name space (netns) aware.
+ * Global data moved to netns i.e struct netns_ipvs
+ * tcp_timeouts table has copy per netns in a hash table per
+ * protocol ip_vs_proto_data and is handled by netns
*/
#define KMSG_COMPONENT "IPVS"
@@ -46,8 +50,8 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
net = skb_net(skb);
/* No !th->ack check to allow scheduling on SYN+ACK for Active FTP */
if (th->syn &&
- (svc = ip_vs_service_get(net, af, skb->mark, iph.protocol, &iph.daddr,
- th->dest))) {
+ (svc = ip_vs_service_get(net, af, skb->mark, iph.protocol,
+ &iph.daddr, th->dest))) {
int ignored;
if (ip_vs_todrop()) {
@@ -345,7 +349,7 @@ static const int tcp_state_off[IP_VS_DIR_LAST] = {
/*
* Timeout table[state]
*/
-static int tcp_timeouts[IP_VS_TCP_S_LAST+1] = {
+static const int tcp_timeouts[IP_VS_TCP_S_LAST+1] = {
[IP_VS_TCP_S_NONE] = 2*HZ,
[IP_VS_TCP_S_ESTABLISHED] = 15*60*HZ,
[IP_VS_TCP_S_SYN_SENT] = 2*60*HZ,
@@ -460,13 +464,6 @@ static void tcp_timeout_change(struct ip_vs_protocol *pp, int flags)
tcp_state_table = (on? tcp_states_dos : tcp_states);
}
-static int
-tcp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
-{
- return ip_vs_set_state_timeout(pp->timeout_table, IP_VS_TCP_S_LAST,
- tcp_state_name_table, sname, to);
-}
-
static inline int tcp_state_idx(struct tcphdr *th)
{
if (th->rst)
@@ -487,6 +484,7 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
int state_idx;
int new_state = IP_VS_TCP_S_CLOSE;
int state_off = tcp_state_off[direction];
+ struct ip_vs_proto_data *pd; /* Temp fix */
/*
* Update state offset to INPUT_ONLY if necessary
@@ -542,10 +540,13 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
}
}
- cp->timeout = pp->timeout_table[cp->state = new_state];
+ pd = ip_vs_proto_data_get(&init_net, pp->protocol);
+ if (likely(pd))
+ cp->timeout = pd->timeout_table[cp->state = new_state];
+ else /* What to do ? */
+ cp->timeout = tcp_timeouts[cp->state = new_state];
}
-
/*
* Handle state transitions
*/
@@ -573,17 +574,6 @@ tcp_state_transition(struct ip_vs_conn *cp, int direction,
return 1;
}
-
-/*
- * Hash table for TCP application incarnations
- */
-#define TCP_APP_TAB_BITS 4
-#define TCP_APP_TAB_SIZE (1 << TCP_APP_TAB_BITS)
-#define TCP_APP_TAB_MASK (TCP_APP_TAB_SIZE - 1)
-
-static struct list_head tcp_apps[TCP_APP_TAB_SIZE];
-static DEFINE_SPINLOCK(tcp_app_lock);
-
static inline __u16 tcp_app_hashkey(__be16 port)
{
return (((__force u16)port >> TCP_APP_TAB_BITS) ^ (__force u16)port)
@@ -597,21 +587,23 @@ static int tcp_register_app(struct ip_vs_app *inc)
__u16 hash;
__be16 port = inc->port;
int ret = 0;
+ struct netns_ipvs *ipvs = net_ipvs(&init_net);
+ struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, IPPROTO_TCP);
hash = tcp_app_hashkey(port);
- spin_lock_bh(&tcp_app_lock);
- list_for_each_entry(i, &tcp_apps[hash], p_list) {
+ spin_lock_bh(&ipvs->tcp_app_lock);
+ list_for_each_entry(i, &ipvs->tcp_apps[hash], p_list) {
if (i->port == port) {
ret = -EEXIST;
goto out;
}
}
- list_add(&inc->p_list, &tcp_apps[hash]);
- atomic_inc(&ip_vs_protocol_tcp.appcnt);
+ list_add(&inc->p_list, &ipvs->tcp_apps[hash]);
+ atomic_inc(&pd->pp->appcnt);
out:
- spin_unlock_bh(&tcp_app_lock);
+ spin_unlock_bh(&ipvs->tcp_app_lock);
return ret;
}
@@ -619,16 +611,20 @@ static int tcp_register_app(struct ip_vs_app *inc)
static void
tcp_unregister_app(struct ip_vs_app *inc)
{
- spin_lock_bh(&tcp_app_lock);
- atomic_dec(&ip_vs_protocol_tcp.appcnt);
+ struct netns_ipvs *ipvs = net_ipvs(&init_net);
+ struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, IPPROTO_TCP);
+
+ spin_lock_bh(&ipvs->tcp_app_lock);
+ atomic_dec(&pd->pp->appcnt);
list_del(&inc->p_list);
- spin_unlock_bh(&tcp_app_lock);
+ spin_unlock_bh(&ipvs->tcp_app_lock);
}
static int
tcp_app_conn_bind(struct ip_vs_conn *cp)
{
+ struct netns_ipvs *ipvs = net_ipvs(&init_net);
int hash;
struct ip_vs_app *inc;
int result = 0;
@@ -640,12 +636,12 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
/* Lookup application incarnations and bind the right one */
hash = tcp_app_hashkey(cp->vport);
- spin_lock(&tcp_app_lock);
- list_for_each_entry(inc, &tcp_apps[hash], p_list) {
+ spin_lock(&ipvs->tcp_app_lock);
+ list_for_each_entry(inc, &ipvs->tcp_apps[hash], p_list) {
if (inc->port == cp->vport) {
if (unlikely(!ip_vs_app_inc_get(inc)))
break;
- spin_unlock(&tcp_app_lock);
+ spin_unlock(&ipvs->tcp_app_lock);
IP_VS_DBG_BUF(9, "%s(): Binding conn %s:%u->"
"%s:%u to app %s on port %u\n",
@@ -662,7 +658,7 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
goto out;
}
}
- spin_unlock(&tcp_app_lock);
+ spin_unlock(&ipvs->tcp_app_lock);
out:
return result;
@@ -672,24 +668,34 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
/*
* Set LISTEN timeout. (ip_vs_conn_put will setup timer)
*/
-void ip_vs_tcp_conn_listen(struct ip_vs_conn *cp)
+void ip_vs_tcp_conn_listen(struct net *net, struct ip_vs_conn *cp)
{
+ struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+
spin_lock(&cp->lock);
cp->state = IP_VS_TCP_S_LISTEN;
- cp->timeout = ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_LISTEN];
+ cp->timeout = ( pd ? pd->timeout_table[IP_VS_TCP_S_LISTEN]
+ : tcp_timeouts[IP_VS_TCP_S_LISTEN]);
spin_unlock(&cp->lock);
}
-
-static void ip_vs_tcp_init(struct ip_vs_protocol *pp)
+/* ---------------------------------------------
+ * timeouts is netns related now.
+ * ---------------------------------------------
+ */
+static void __ip_vs_tcp_init(struct net *net, struct ip_vs_proto_data *pd)
{
- IP_VS_INIT_HASH_TABLE(tcp_apps);
- pp->timeout_table = tcp_timeouts;
-}
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ ip_vs_init_hash_table(ipvs->tcp_apps, TCP_APP_TAB_SIZE);
+ spin_lock_init(&ipvs->tcp_app_lock);
+ pd->timeout_table = ip_vs_create_timeout_table((int*)tcp_timeouts,
+ sizeof(tcp_timeouts));
+}
-static void ip_vs_tcp_exit(struct ip_vs_protocol *pp)
+static void __ip_vs_tcp_exit(struct net *net, struct ip_vs_proto_data *pd)
{
+ kfree(pd->timeout_table);
}
@@ -699,8 +705,10 @@ struct ip_vs_protocol ip_vs_protocol_tcp = {
.num_states = IP_VS_TCP_S_LAST,
.dont_defrag = 0,
.appcnt = ATOMIC_INIT(0),
- .init = ip_vs_tcp_init,
- .exit = ip_vs_tcp_exit,
+ .init = NULL,
+ .exit = NULL,
+ .init_netns = __ip_vs_tcp_init,
+ .exit_netns = __ip_vs_tcp_exit,
.register_app = tcp_register_app,
.unregister_app = tcp_unregister_app,
.conn_schedule = tcp_conn_schedule,
@@ -714,5 +722,4 @@ struct ip_vs_protocol ip_vs_protocol_tcp = {
.app_conn_bind = tcp_app_conn_bind,
.debug_packet = ip_vs_tcpudp_debug_packet,
.timeout_change = tcp_timeout_change,
- .set_state_timeout = tcp_set_state_timeout,
};
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 08/22] IPVS: netns preparation for proto_sctp
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
In this phase (one), all local vars will be moved to ipvs struct.
Remaining work, add param struct net *net to a couple of
functions that is common for all protos and use ip_vs_proto_data
*v3
Removed unuset function set_state_timeout()
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/netns/ip_vs.h | 10 +++-
net/netfilter/ipvs/ip_vs_proto.c | 3 +
net/netfilter/ipvs/ip_vs_proto_sctp.c | 121 ++++++++++++++++-----------------
3 files changed, 70 insertions(+), 64 deletions(-)
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 4975026..fcb3c7c 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -48,7 +48,15 @@ struct netns_ipvs {
struct list_head udp_apps[UDP_APP_TAB_SIZE];
spinlock_t udp_app_lock;
#endif
-
+ /* ip_vs_proto_sctp */
+#ifdef CONFIG_IP_VS_PROTO_SCTP
+ #define SCTP_APP_TAB_BITS 4
+ #define SCTP_APP_TAB_SIZE (1 << SCTP_APP_TAB_BITS)
+ #define SCTP_APP_TAB_MASK (SCTP_APP_TAB_SIZE - 1)
+ /* Hash table for SCTP application incarnations */
+ struct list_head sctp_apps[SCTP_APP_TAB_SIZE];
+ spinlock_t sctp_app_lock;
+#endif
/* ip_vs_lblc */
int sysctl_lblc_expiration;
struct ctl_table_header *lblc_ctl_header;
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index ec71d47..fd3a7a8 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -313,6 +313,9 @@ static int __net_init __ip_vs_protocol_init(struct net *net)
#ifdef CONFIG_IP_VS_PROTO_UDP
register_ip_vs_proto_netns(net, &ip_vs_protocol_udp);
#endif
+#ifdef CONFIG_IP_VS_PROTO_SCTP
+ register_ip_vs_proto_netns(net, &ip_vs_protocol_sctp);
+#endif
return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 521b827..49abf2b 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -862,7 +862,7 @@ static struct ipvs_sctp_nextstate
/*
* Timeout table[state]
*/
-static int sctp_timeouts[IP_VS_SCTP_S_LAST + 1] = {
+static const int sctp_timeouts[IP_VS_SCTP_S_LAST + 1] = {
[IP_VS_SCTP_S_NONE] = 2 * HZ,
[IP_VS_SCTP_S_INIT_CLI] = 1 * 60 * HZ,
[IP_VS_SCTP_S_INIT_SER] = 1 * 60 * HZ,
@@ -906,18 +906,6 @@ static const char *sctp_state_name(int state)
return "?";
}
-static void sctp_timeout_change(struct ip_vs_protocol *pp, int flags)
-{
-}
-
-static int
-sctp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
-{
-
-return ip_vs_set_state_timeout(pp->timeout_table, IP_VS_SCTP_S_LAST,
- sctp_state_name_table, sname, to);
-}
-
static inline int
set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
int direction, const struct sk_buff *skb)
@@ -926,6 +914,7 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
unsigned char chunk_type;
int event, next_state;
int ihl;
+ struct ip_vs_proto_data *pd;
#ifdef CONFIG_IP_VS_IPV6
ihl = cp->af == AF_INET ? ip_hdrlen(skb) : sizeof(struct ipv6hdr);
@@ -1001,10 +990,13 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
}
}
}
+ pd = ip_vs_proto_data_get(&init_net, pp->protocol); /* tmp fix */
+ if (likely(pd))
+ cp->timeout = pd->timeout_table[cp->state = next_state];
+ else /* What to do ? */
+ cp->timeout = sctp_timeouts[cp->state = next_state];
- cp->timeout = pp->timeout_table[cp->state = next_state];
-
- return 1;
+ return 1;
}
static int
@@ -1020,16 +1012,6 @@ sctp_state_transition(struct ip_vs_conn *cp, int direction,
return ret;
}
-/*
- * Hash table for SCTP application incarnations
- */
-#define SCTP_APP_TAB_BITS 4
-#define SCTP_APP_TAB_SIZE (1 << SCTP_APP_TAB_BITS)
-#define SCTP_APP_TAB_MASK (SCTP_APP_TAB_SIZE - 1)
-
-static struct list_head sctp_apps[SCTP_APP_TAB_SIZE];
-static DEFINE_SPINLOCK(sctp_app_lock);
-
static inline __u16 sctp_app_hashkey(__be16 port)
{
return (((__force u16)port >> SCTP_APP_TAB_BITS) ^ (__force u16)port)
@@ -1042,34 +1024,40 @@ static int sctp_register_app(struct ip_vs_app *inc)
__u16 hash;
__be16 port = inc->port;
int ret = 0;
+ struct netns_ipvs *ipvs = net_ipvs(&init_net);
+ struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, IPPROTO_SCTP);
hash = sctp_app_hashkey(port);
- spin_lock_bh(&sctp_app_lock);
- list_for_each_entry(i, &sctp_apps[hash], p_list) {
+ spin_lock_bh(&ipvs->sctp_app_lock);
+ list_for_each_entry(i, &ipvs->sctp_apps[hash], p_list) {
if (i->port == port) {
ret = -EEXIST;
goto out;
}
}
- list_add(&inc->p_list, &sctp_apps[hash]);
- atomic_inc(&ip_vs_protocol_sctp.appcnt);
+ list_add(&inc->p_list, &ipvs->sctp_apps[hash]);
+ atomic_inc(&pd->pp->appcnt);
out:
- spin_unlock_bh(&sctp_app_lock);
+ spin_unlock_bh(&ipvs->sctp_app_lock);
return ret;
}
static void sctp_unregister_app(struct ip_vs_app *inc)
{
- spin_lock_bh(&sctp_app_lock);
- atomic_dec(&ip_vs_protocol_sctp.appcnt);
+ struct netns_ipvs *ipvs = net_ipvs(&init_net);
+ struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, IPPROTO_SCTP);
+
+ spin_lock_bh(&ipvs->sctp_app_lock);
+ atomic_dec(&pd->pp->appcnt);
list_del(&inc->p_list);
- spin_unlock_bh(&sctp_app_lock);
+ spin_unlock_bh(&ipvs->sctp_app_lock);
}
static int sctp_app_conn_bind(struct ip_vs_conn *cp)
{
+ struct netns_ipvs *ipvs = net_ipvs(&init_net);
int hash;
struct ip_vs_app *inc;
int result = 0;
@@ -1080,12 +1068,12 @@ static int sctp_app_conn_bind(struct ip_vs_conn *cp)
/* Lookup application incarnations and bind the right one */
hash = sctp_app_hashkey(cp->vport);
- spin_lock(&sctp_app_lock);
- list_for_each_entry(inc, &sctp_apps[hash], p_list) {
+ spin_lock(&ipvs->sctp_app_lock);
+ list_for_each_entry(inc, &ipvs->sctp_apps[hash], p_list) {
if (inc->port == cp->vport) {
if (unlikely(!ip_vs_app_inc_get(inc)))
break;
- spin_unlock(&sctp_app_lock);
+ spin_unlock(&ipvs->sctp_app_lock);
IP_VS_DBG_BUF(9, "%s: Binding conn %s:%u->"
"%s:%u to app %s on port %u\n",
@@ -1101,43 +1089,50 @@ static int sctp_app_conn_bind(struct ip_vs_conn *cp)
goto out;
}
}
- spin_unlock(&sctp_app_lock);
+ spin_unlock(&ipvs->sctp_app_lock);
out:
return result;
}
-static void ip_vs_sctp_init(struct ip_vs_protocol *pp)
+/* ---------------------------------------------
+ * timeouts is netns related now.
+ * ---------------------------------------------
+ */
+static void __ip_vs_sctp_init(struct net *net, struct ip_vs_proto_data *pd)
{
- IP_VS_INIT_HASH_TABLE(sctp_apps);
- pp->timeout_table = sctp_timeouts;
-}
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ ip_vs_init_hash_table(ipvs->sctp_apps, SCTP_APP_TAB_SIZE);
+ spin_lock_init(&ipvs->tcp_app_lock);
+ pd->timeout_table = ip_vs_create_timeout_table((int*)sctp_timeouts,
+ sizeof(sctp_timeouts));
+}
-static void ip_vs_sctp_exit(struct ip_vs_protocol *pp)
+static void __ip_vs_sctp_exit(struct net *net, struct ip_vs_proto_data *pd)
{
-
+ kfree(pd->timeout_table);
}
struct ip_vs_protocol ip_vs_protocol_sctp = {
- .name = "SCTP",
- .protocol = IPPROTO_SCTP,
- .num_states = IP_VS_SCTP_S_LAST,
- .dont_defrag = 0,
- .appcnt = ATOMIC_INIT(0),
- .init = ip_vs_sctp_init,
- .exit = ip_vs_sctp_exit,
- .register_app = sctp_register_app,
+ .name = "SCTP",
+ .protocol = IPPROTO_SCTP,
+ .num_states = IP_VS_SCTP_S_LAST,
+ .dont_defrag = 0,
+ .init = NULL,
+ .exit = NULL,
+ .init_netns = __ip_vs_sctp_init,
+ .exit_netns = __ip_vs_sctp_exit,
+ .register_app = sctp_register_app,
.unregister_app = sctp_unregister_app,
- .conn_schedule = sctp_conn_schedule,
- .conn_in_get = ip_vs_conn_in_get_proto,
- .conn_out_get = ip_vs_conn_out_get_proto,
- .snat_handler = sctp_snat_handler,
- .dnat_handler = sctp_dnat_handler,
- .csum_check = sctp_csum_check,
- .state_name = sctp_state_name,
+ .conn_schedule = sctp_conn_schedule,
+ .conn_in_get = ip_vs_conn_in_get_proto,
+ .conn_out_get = ip_vs_conn_out_get_proto,
+ .snat_handler = sctp_snat_handler,
+ .dnat_handler = sctp_dnat_handler,
+ .csum_check = sctp_csum_check,
+ .state_name = sctp_state_name,
.state_transition = sctp_state_transition,
- .app_conn_bind = sctp_app_conn_bind,
- .debug_packet = ip_vs_tcpudp_debug_packet,
- .timeout_change = sctp_timeout_change,
- .set_state_timeout = sctp_set_state_timeout,
+ .app_conn_bind = sctp_app_conn_bind,
+ .debug_packet = ip_vs_tcpudp_debug_packet,
+ .timeout_change = NULL,
};
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 09/22] IPVS: netns preparation for proto_ah_esp
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
In this phase (one), all local vars will be moved to ipvs struct.
Remaining work, add param struct net *net to a couple of
functions that common for all protos.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
net/netfilter/ipvs/ip_vs_proto.c | 6 ++++++
net/netfilter/ipvs/ip_vs_proto_ah_esp.c | 20 ++++----------------
2 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index fd3a7a8..1089248 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -316,6 +316,12 @@ static int __net_init __ip_vs_protocol_init(struct net *net)
#ifdef CONFIG_IP_VS_PROTO_SCTP
register_ip_vs_proto_netns(net, &ip_vs_protocol_sctp);
#endif
+#ifdef CONFIG_IP_VS_PROTO_AH
+ register_ip_vs_proto_netns(net, &ip_vs_protocol_ah);
+#endif
+#ifdef CONFIG_IP_VS_PROTO_ESP
+ register_ip_vs_proto_netns(net, &ip_vs_protocol_esp);
+#endif
return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
index 3a04611..b8b37fa 100644
--- a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
@@ -117,26 +117,14 @@ ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
return 0;
}
-static void ah_esp_init(struct ip_vs_protocol *pp)
-{
- /* nothing to do now */
-}
-
-
-static void ah_esp_exit(struct ip_vs_protocol *pp)
-{
- /* nothing to do now */
-}
-
-
#ifdef CONFIG_IP_VS_PROTO_AH
struct ip_vs_protocol ip_vs_protocol_ah = {
.name = "AH",
.protocol = IPPROTO_AH,
.num_states = 1,
.dont_defrag = 1,
- .init = ah_esp_init,
- .exit = ah_esp_exit,
+ .init = NULL,
+ .exit = NULL,
.conn_schedule = ah_esp_conn_schedule,
.conn_in_get = ah_esp_conn_in_get,
.conn_out_get = ah_esp_conn_out_get,
@@ -159,8 +147,8 @@ struct ip_vs_protocol ip_vs_protocol_esp = {
.protocol = IPPROTO_ESP,
.num_states = 1,
.dont_defrag = 1,
- .init = ah_esp_init,
- .exit = ah_esp_exit,
+ .init = NULL,
+ .exit = NULL,
.conn_schedule = ah_esp_conn_schedule,
.conn_in_get = ah_esp_conn_in_get,
.conn_out_get = ah_esp_conn_out_get,
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 10/22] IPVS: netns, use ip_vs_proto_data as param.
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
ip_vs_protocol *pp is replaced by ip_vs_proto_data *pd in
function call in ip_vs_protocol struct i.e. :,
- timeout_change()
- state_transition()
ip_vs_protocol_timeout_change() got ipvs as param, due to above
and a upcoming patch - defence work
Most of this changes are triggered by Julians comment:
"tcp_timeout_change should work with the new struct ip_vs_proto_data
so that tcp_state_table will go to pd->state_table
and set_tcp_state will get pd instead of pp"
*v3
Mostly comments from Julian
The pp -> pd conversion should start from functions like
ip_vs_out() that use pp = ip_vs_proto_get(iph.protocol),
now they should use ip_vs_proto_data_get(net, iph.protocol).
conn_in_get() and conn_out_get() unused param *pp, removed.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 18 ++-----
net/netfilter/ipvs/ip_vs_conn.c | 2 -
net/netfilter/ipvs/ip_vs_core.c | 77 +++++++++++++++++++------------
net/netfilter/ipvs/ip_vs_ctl.c | 54 +++++++++++++--------
net/netfilter/ipvs/ip_vs_proto.c | 17 +++++--
net/netfilter/ipvs/ip_vs_proto_ah_esp.c | 10 ++--
net/netfilter/ipvs/ip_vs_proto_sctp.c | 16 +++----
net/netfilter/ipvs/ip_vs_proto_tcp.c | 26 ++++------
net/netfilter/ipvs/ip_vs_proto_udp.c | 11 ++---
net/netfilter/xt_ipvs.c | 2 +-
10 files changed, 126 insertions(+), 107 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 8e544be..135a163 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -370,13 +370,12 @@ struct ip_vs_protocol {
void (*exit_netns)(struct net *net, struct ip_vs_proto_data *pd);
int (*conn_schedule)(int af, struct sk_buff *skb,
- struct ip_vs_protocol *pp,
+ struct ip_vs_proto_data *pd,
int *verdict, struct ip_vs_conn **cpp);
struct ip_vs_conn *
(*conn_in_get)(int af,
const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off,
int inverse);
@@ -384,7 +383,6 @@ struct ip_vs_protocol {
struct ip_vs_conn *
(*conn_out_get)(int af,
const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off,
int inverse);
@@ -402,7 +400,7 @@ struct ip_vs_protocol {
int (*state_transition)(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
- struct ip_vs_protocol *pp);
+ struct ip_vs_proto_data *pd);
int (*register_app)(struct ip_vs_app *inc);
@@ -415,9 +413,7 @@ struct ip_vs_protocol {
int offset,
const char *msg);
- void (*timeout_change)(struct ip_vs_protocol *pp, int flags);
-
- int (*set_state_timeout)(struct ip_vs_protocol *pp, char *sname, int to);
+ void (*timeout_change)(struct ip_vs_proto_data *pd, int flags);
};
/*
@@ -776,7 +772,6 @@ struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn * ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off,
int inverse);
@@ -784,7 +779,6 @@ struct ip_vs_conn * ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn * ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off,
int inverse);
@@ -915,7 +909,7 @@ static inline void ip_vs_pe_put(const struct ip_vs_pe *pe)
*/
extern int ip_vs_protocol_init(void);
extern void ip_vs_protocol_cleanup(void);
-extern void ip_vs_protocol_timeout_change(int flags);
+extern void ip_vs_protocol_timeout_change(struct netns_ipvs *ipvs, int flags);
extern int *ip_vs_create_timeout_table(int *table, int size);
extern int
ip_vs_set_state_timeout(int *table, int num, const char *const *names,
@@ -945,9 +939,9 @@ extern struct ip_vs_scheduler *ip_vs_scheduler_get(const char *sched_name);
extern void ip_vs_scheduler_put(struct ip_vs_scheduler *scheduler);
extern struct ip_vs_conn *
ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
- struct ip_vs_protocol *pp, int *ignored);
+ struct ip_vs_proto_data *pd, int *ignored);
extern int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
- struct ip_vs_protocol *pp);
+ struct ip_vs_proto_data *pd);
/*
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 7a0e79e..a7aba6a 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -329,7 +329,6 @@ ip_vs_conn_fill_param_proto(int af, const struct sk_buff *skb,
struct ip_vs_conn *
ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off, int inverse)
{
@@ -428,7 +427,6 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p)
struct ip_vs_conn *
ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off, int inverse)
{
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 68ecc7f..0454a11 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -177,11 +177,11 @@ ip_vs_conn_stats(struct ip_vs_conn *cp, struct ip_vs_service *svc)
static inline int
ip_vs_set_state(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
- struct ip_vs_protocol *pp)
+ struct ip_vs_proto_data *pd)
{
- if (unlikely(!pp->state_transition))
+ if (unlikely(!pd->pp->state_transition))
return 0;
- return pp->state_transition(cp, direction, skb, pp);
+ return pd->pp->state_transition(cp, direction, skb, pd);
}
static inline int
@@ -378,8 +378,9 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
*/
struct ip_vs_conn *
ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
- struct ip_vs_protocol *pp, int *ignored)
+ struct ip_vs_proto_data *pd, int *ignored)
{
+ struct ip_vs_protocol *pp = pd->pp;
struct ip_vs_conn *cp = NULL;
struct ip_vs_iphdr iph;
struct ip_vs_dest *dest;
@@ -408,7 +409,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
* Do not schedule replies from local real server.
*/
if ((!skb->dev || skb->dev->flags & IFF_LOOPBACK) &&
- (cp = pp->conn_in_get(svc->af, skb, pp, &iph, iph.len, 1))) {
+ (cp = pp->conn_in_get(svc->af, skb, &iph, iph.len, 1))) {
IP_VS_DBG_PKT(12, svc->af, pp, skb, 0,
"Not scheduling reply for existing connection");
__ip_vs_conn_put(cp);
@@ -479,11 +480,12 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
* no destination is available for a new connection.
*/
int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
- struct ip_vs_protocol *pp)
+ struct ip_vs_proto_data *pd)
{
__be16 _ports[2], *pptr;
struct ip_vs_iphdr iph;
int unicast;
+
ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
pptr = skb_header_pointer(skb, iph.len, sizeof(_ports), _ports);
@@ -530,10 +532,10 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
ip_vs_in_stats(cp, skb);
/* set state */
- cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pp);
+ cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
/* transmit the first SYN packet */
- ret = cp->packet_xmit(skb, cp, pp);
+ ret = cp->packet_xmit(skb, cp, pd->pp);
/* do not touch skb anymore */
atomic_inc(&cp->in_pkts);
@@ -840,7 +842,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
ip_vs_fill_iphdr(AF_INET, cih, &ciph);
/* The embedded headers contain source and dest in reverse order */
- cp = pp->conn_out_get(AF_INET, skb, pp, &ciph, offset, 1);
+ cp = pp->conn_out_get(AF_INET, skb, &ciph, offset, 1);
if (!cp)
return NF_ACCEPT;
@@ -917,7 +919,7 @@ static int ip_vs_out_icmp_v6(struct sk_buff *skb, int *related,
ip_vs_fill_iphdr(AF_INET6, cih, &ciph);
/* The embedded headers contain source and dest in reverse order */
- cp = pp->conn_out_get(AF_INET6, skb, pp, &ciph, offset, 1);
+ cp = pp->conn_out_get(AF_INET6, skb, &ciph, offset, 1);
if (!cp)
return NF_ACCEPT;
@@ -956,9 +958,11 @@ static inline int is_tcp_reset(const struct sk_buff *skb, int nh_len)
* Used for NAT and local client.
*/
static unsigned int
-handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+handle_response(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
struct ip_vs_conn *cp, int ihl)
{
+ struct ip_vs_protocol *pp = pd->pp;
+
IP_VS_DBG_PKT(11, af, pp, skb, 0, "Outgoing packet");
if (!skb_make_writable(skb, ihl))
@@ -1007,7 +1011,7 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
IP_VS_DBG_PKT(10, af, pp, skb, 0, "After SNAT");
ip_vs_out_stats(cp, skb);
- ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pp);
+ ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pd);
skb->ipvs_property = 1;
if (!(cp->flags & IP_VS_CONN_F_NFCT))
ip_vs_notrack(skb);
@@ -1034,6 +1038,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
struct net *net = NULL;
struct ip_vs_iphdr iph;
struct ip_vs_protocol *pp;
+ struct ip_vs_proto_data *pd;
struct ip_vs_conn *cp;
EnterFunction(11);
@@ -1079,9 +1084,10 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
}
- pp = ip_vs_proto_get(iph.protocol);
- if (unlikely(!pp))
+ pd = ip_vs_proto_data_get(net, iph.protocol);
+ if (unlikely(!pd))
return NF_ACCEPT;
+ pp = pd->pp;
/* reassemble IP fragments */
#ifdef CONFIG_IP_VS_IPV6
@@ -1107,10 +1113,10 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
/*
* Check if the packet belongs to an existing entry
*/
- cp = pp->conn_out_get(af, skb, pp, &iph, iph.len, 0);
+ cp = pp->conn_out_get(af, skb, &iph, iph.len, 0);
if (likely(cp))
- return handle_response(af, skb, pp, cp, iph.len);
+ return handle_response(af, skb, pd, cp, iph.len);
if (sysctl_ip_vs_nat_icmp_send &&
(pp->protocol == IPPROTO_TCP ||
pp->protocol == IPPROTO_UDP ||
@@ -1236,12 +1242,14 @@ ip_vs_local_reply6(unsigned int hooknum, struct sk_buff *skb,
static int
ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
{
+ struct net *net = NULL;
struct iphdr *iph;
struct icmphdr _icmph, *ic;
struct iphdr _ciph, *cih; /* The ip header contained within the ICMP */
struct ip_vs_iphdr ciph;
struct ip_vs_conn *cp;
struct ip_vs_protocol *pp;
+ struct ip_vs_proto_data *pd;
unsigned int offset, ihl, verdict;
union nf_inet_addr snet;
@@ -1283,9 +1291,11 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
if (cih == NULL)
return NF_ACCEPT; /* The packet looks wrong, ignore */
- pp = ip_vs_proto_get(cih->protocol);
- if (!pp)
+ net = skb_net(skb);
+ pd = ip_vs_proto_data_get(net, cih->protocol);
+ if (!pd)
return NF_ACCEPT;
+ pp = pd->pp;
/* Is the embedded protocol header present? */
if (unlikely(cih->frag_off & htons(IP_OFFSET) &&
@@ -1299,10 +1309,10 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
ip_vs_fill_iphdr(AF_INET, cih, &ciph);
/* The embedded headers contain source and dest in reverse order */
- cp = pp->conn_in_get(AF_INET, skb, pp, &ciph, offset, 1);
+ cp = pp->conn_in_get(AF_INET, skb, &ciph, offset, 1);
if (!cp) {
/* The packet could also belong to a local client */
- cp = pp->conn_out_get(AF_INET, skb, pp, &ciph, offset, 1);
+ cp = pp->conn_out_get(AF_INET, skb, &ciph, offset, 1);
if (cp) {
snet.ip = iph->saddr;
return handle_response_icmp(AF_INET, skb, &snet,
@@ -1346,6 +1356,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
static int
ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
{
+ struct net *net = NULL;
struct ipv6hdr *iph;
struct icmp6hdr _icmph, *ic;
struct ipv6hdr _ciph, *cih; /* The ip header contained
@@ -1353,6 +1364,7 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
struct ip_vs_iphdr ciph;
struct ip_vs_conn *cp;
struct ip_vs_protocol *pp;
+ struct ip_vs_proto_data *pd;
unsigned int offset, verdict;
union nf_inet_addr snet;
struct rt6_info *rt;
@@ -1395,9 +1407,11 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
if (cih == NULL)
return NF_ACCEPT; /* The packet looks wrong, ignore */
- pp = ip_vs_proto_get(cih->nexthdr);
- if (!pp)
+ net = skb_net(skb);
+ pd = ip_vs_proto_data_get(net, cih->nexthdr);
+ if (!pd)
return NF_ACCEPT;
+ pp = pd->pp;
/* Is the embedded protocol header present? */
/* TODO: we don't support fragmentation at the moment anyways */
@@ -1411,10 +1425,10 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
ip_vs_fill_iphdr(AF_INET6, cih, &ciph);
/* The embedded headers contain source and dest in reverse order */
- cp = pp->conn_in_get(AF_INET6, skb, pp, &ciph, offset, 1);
+ cp = pp->conn_in_get(AF_INET6, skb, &ciph, offset, 1);
if (!cp) {
/* The packet could also belong to a local client */
- cp = pp->conn_out_get(AF_INET6, skb, pp, &ciph, offset, 1);
+ cp = pp->conn_out_get(AF_INET6, skb, &ciph, offset, 1);
if (cp) {
ipv6_addr_copy(&snet.in6, &iph->saddr);
return handle_response_icmp(AF_INET6, skb, &snet,
@@ -1457,8 +1471,10 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
static unsigned int
ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
{
+ struct net *net = NULL;
struct ip_vs_iphdr iph;
struct ip_vs_protocol *pp;
+ struct ip_vs_proto_data *pd;
struct ip_vs_conn *cp;
int ret, restart, pkts;
@@ -1514,20 +1530,21 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
}
+ net = skb_net(skb);
/* Protocol supported? */
- pp = ip_vs_proto_get(iph.protocol);
- if (unlikely(!pp))
+ pd = ip_vs_proto_data_get(net, iph.protocol);
+ if (unlikely(!pd))
return NF_ACCEPT;
-
+ pp = pd->pp;
/*
* Check if the packet belongs to an existing connection entry
*/
- cp = pp->conn_in_get(af, skb, pp, &iph, iph.len, 0);
+ cp = pp->conn_in_get(af, skb, &iph, iph.len, 0);
if (unlikely(!cp)) {
int v;
- if (!pp->conn_schedule(af, skb, pp, &v, &cp))
+ if (!pp->conn_schedule(af, skb, pd, &v, &cp))
return v;
}
@@ -1555,7 +1572,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
}
ip_vs_in_stats(cp, skb);
- restart = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pp);
+ restart = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
if (cp->packet_xmit)
ret = cp->packet_xmit(skb, cp, pp);
/* do not touch skb anymore */
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 45e4b8e..faaee81 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -38,6 +38,7 @@
#include <linux/mutex.h>
#include <net/net_namespace.h>
+#include <linux/nsproxy.h>
#include <net/ip.h>
#ifdef CONFIG_IP_VS_IPV6
#include <net/ipv6.h>
@@ -127,7 +128,7 @@ static int __ip_vs_addr_is_local_v6(const struct in6_addr *addr)
* update_defense_level is called from keventd and from sysctl,
* so it needs to protect itself from softirqs
*/
-static void update_defense_level(void)
+static void update_defense_level(struct netns_ipvs *ipvs)
{
struct sysinfo i;
static int old_secure_tcp = 0;
@@ -241,7 +242,7 @@ static void update_defense_level(void)
}
old_secure_tcp = sysctl_ip_vs_secure_tcp;
if (to_change >= 0)
- ip_vs_protocol_timeout_change(sysctl_ip_vs_secure_tcp>1);
+ ip_vs_protocol_timeout_change(ipvs, sysctl_ip_vs_secure_tcp>1);
spin_unlock(&ip_vs_securetcp_lock);
local_bh_enable();
@@ -257,7 +258,10 @@ static DECLARE_DELAYED_WORK(defense_work, defense_work_handler);
static void defense_work_handler(struct work_struct *work)
{
- update_defense_level();
+ struct net *net = &init_net;
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ update_defense_level(ipvs);
if (atomic_read(&ip_vs_dropentry))
ip_vs_random_dropentry();
@@ -1503,6 +1507,7 @@ static int
proc_do_defense_mode(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
+ struct net *net = current->nsproxy->net_ns;
int *valp = table->data;
int val = *valp;
int rc;
@@ -1513,7 +1518,7 @@ proc_do_defense_mode(ctl_table *table, int write,
/* Restore the correct value */
*valp = val;
} else {
- update_defense_level();
+ update_defense_level(net_ipvs(net));
}
}
return rc;
@@ -2034,8 +2039,10 @@ static const struct file_operations ip_vs_stats_fops = {
/*
* Set timeout values for tcp tcpfin udp in the timeout_table.
*/
-static int ip_vs_set_timeout(struct ip_vs_timeout_user *u)
+static int ip_vs_set_timeout(struct net *net, struct ip_vs_timeout_user *u)
{
+ struct ip_vs_proto_data *pd;
+
IP_VS_DBG(2, "Setting timeout tcp:%d tcpfin:%d udp:%d\n",
u->tcp_timeout,
u->tcp_fin_timeout,
@@ -2043,19 +2050,22 @@ static int ip_vs_set_timeout(struct ip_vs_timeout_user *u)
#ifdef CONFIG_IP_VS_PROTO_TCP
if (u->tcp_timeout) {
- ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_ESTABLISHED]
+ pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+ pd->timeout_table[IP_VS_TCP_S_ESTABLISHED]
= u->tcp_timeout * HZ;
}
if (u->tcp_fin_timeout) {
- ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_FIN_WAIT]
+ pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+ pd->timeout_table[IP_VS_TCP_S_FIN_WAIT]
= u->tcp_fin_timeout * HZ;
}
#endif
#ifdef CONFIG_IP_VS_PROTO_UDP
if (u->udp_timeout) {
- ip_vs_protocol_udp.timeout_table[IP_VS_UDP_S_NORMAL]
+ pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
+ pd->timeout_table[IP_VS_UDP_S_NORMAL]
= u->udp_timeout * HZ;
}
#endif
@@ -2159,7 +2169,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
goto out_unlock;
} else if (cmd == IP_VS_SO_SET_TIMEOUT) {
/* Set timeout values for (tcp tcpfin udp) */
- ret = ip_vs_set_timeout((struct ip_vs_timeout_user *)arg);
+ ret = ip_vs_set_timeout(net, (struct ip_vs_timeout_user *)arg);
goto out_unlock;
} else if (cmd == IP_VS_SO_SET_STARTDAEMON) {
struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg;
@@ -2370,17 +2380,19 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
}
static inline void
-__ip_vs_get_timeouts(struct ip_vs_timeout_user *u)
+__ip_vs_get_timeouts(struct net *net, struct ip_vs_timeout_user *u)
{
+ struct ip_vs_proto_data *pd;
+
#ifdef CONFIG_IP_VS_PROTO_TCP
- u->tcp_timeout =
- ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_ESTABLISHED] / HZ;
- u->tcp_fin_timeout =
- ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_FIN_WAIT] / HZ;
+ pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+ u->tcp_timeout = pd->timeout_table[IP_VS_TCP_S_ESTABLISHED] / HZ;
+ u->tcp_fin_timeout = pd->timeout_table[IP_VS_TCP_S_FIN_WAIT] / HZ;
#endif
#ifdef CONFIG_IP_VS_PROTO_UDP
+ pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
u->udp_timeout =
- ip_vs_protocol_udp.timeout_table[IP_VS_UDP_S_NORMAL] / HZ;
+ pd->timeout_table[IP_VS_UDP_S_NORMAL] / HZ;
#endif
}
@@ -2520,7 +2532,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
{
struct ip_vs_timeout_user t;
- __ip_vs_get_timeouts(&t);
+ __ip_vs_get_timeouts(net, &t);
if (copy_to_user(user, &t, sizeof(t)) != 0)
ret = -EFAULT;
}
@@ -3091,11 +3103,11 @@ static int ip_vs_genl_del_daemon(struct nlattr **attrs)
return stop_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]));
}
-static int ip_vs_genl_set_config(struct nlattr **attrs)
+static int ip_vs_genl_set_config(struct net *net, struct nlattr **attrs)
{
struct ip_vs_timeout_user t;
- __ip_vs_get_timeouts(&t);
+ __ip_vs_get_timeouts(net, &t);
if (attrs[IPVS_CMD_ATTR_TIMEOUT_TCP])
t.tcp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_TCP]);
@@ -3107,7 +3119,7 @@ static int ip_vs_genl_set_config(struct nlattr **attrs)
if (attrs[IPVS_CMD_ATTR_TIMEOUT_UDP])
t.udp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_UDP]);
- return ip_vs_set_timeout(&t);
+ return ip_vs_set_timeout(net, &t);
}
static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
@@ -3128,7 +3140,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
ret = ip_vs_flush(net);
goto out;
} else if (cmd == IPVS_CMD_SET_CONFIG) {
- ret = ip_vs_genl_set_config(info->attrs);
+ ret = ip_vs_genl_set_config(net, info->attrs);
goto out;
} else if (cmd == IPVS_CMD_NEW_DAEMON ||
cmd == IPVS_CMD_DEL_DAEMON) {
@@ -3280,7 +3292,7 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
{
struct ip_vs_timeout_user t;
- __ip_vs_get_timeouts(&t);
+ __ip_vs_get_timeouts(net, &t);
#ifdef CONFIG_IP_VS_PROTO_TCP
NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP, t.tcp_timeout);
NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP_FIN,
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 1089248..803c6ec 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -152,9 +152,8 @@ EXPORT_SYMBOL(ip_vs_proto_get);
* get ip_vs_protocol object data by netns and proto
*/
struct ip_vs_proto_data *
-ip_vs_proto_data_get(struct net *net, unsigned short proto)
+__ipvs_proto_data_get(struct netns_ipvs *ipvs, unsigned short proto)
{
- struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_proto_data *pd;
unsigned hash = IP_VS_PROTO_HASH(proto);
@@ -165,12 +164,20 @@ ip_vs_proto_data_get(struct net *net, unsigned short proto)
return NULL;
}
+
+struct ip_vs_proto_data *
+ip_vs_proto_data_get(struct net *net, unsigned short proto)
+{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ return __ipvs_proto_data_get(ipvs, proto);
+}
EXPORT_SYMBOL(ip_vs_proto_data_get);
/*
* Propagate event for state change to all protocols
*/
-void ip_vs_protocol_timeout_change(int flags)
+void ip_vs_protocol_timeout_change(struct netns_ipvs *ipvs, int flags)
{
struct ip_vs_protocol *pp;
int i;
@@ -178,7 +185,9 @@ void ip_vs_protocol_timeout_change(int flags)
for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
for (pp = ip_vs_proto_table[i]; pp; pp = pp->next) {
if (pp->timeout_change)
- pp->timeout_change(pp, flags);
+ pp->timeout_change(__ipvs_proto_data_get(ipvs,
+ pp->protocol),
+ flags);
}
}
}
diff --git a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
index b8b37fa..28039cb 100644
--- a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
@@ -55,7 +55,7 @@ ah_esp_conn_fill_param_proto(int af, const struct ip_vs_iphdr *iph,
}
static struct ip_vs_conn *
-ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
+ah_esp_conn_in_get(int af, const struct sk_buff *skb,
const struct ip_vs_iphdr *iph, unsigned int proto_off,
int inverse)
{
@@ -72,7 +72,7 @@ ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
IP_VS_DBG_BUF(12, "Unknown ISAKMP entry for outin packet "
"%s%s %s->%s\n",
inverse ? "ICMP+" : "",
- pp->name,
+ ip_vs_proto_get(iph->protocol)->name,
IP_VS_DBG_ADDR(af, &iph->saddr),
IP_VS_DBG_ADDR(af, &iph->daddr));
}
@@ -83,7 +83,6 @@ ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
static struct ip_vs_conn *
ah_esp_conn_out_get(int af, const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
const struct ip_vs_iphdr *iph,
unsigned int proto_off,
int inverse)
@@ -97,7 +96,7 @@ ah_esp_conn_out_get(int af, const struct sk_buff *skb,
IP_VS_DBG_BUF(12, "Unknown ISAKMP entry for inout packet "
"%s%s %s->%s\n",
inverse ? "ICMP+" : "",
- pp->name,
+ ip_vs_proto_get(iph->protocol)->name,
IP_VS_DBG_ADDR(af, &iph->saddr),
IP_VS_DBG_ADDR(af, &iph->daddr));
}
@@ -107,7 +106,7 @@ ah_esp_conn_out_get(int af, const struct sk_buff *skb,
static int
-ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
int *verdict, struct ip_vs_conn **cpp)
{
/*
@@ -137,7 +136,6 @@ struct ip_vs_protocol ip_vs_protocol_ah = {
.app_conn_bind = NULL,
.debug_packet = ip_vs_tcpudp_debug_packet,
.timeout_change = NULL, /* ISAKMP */
- .set_state_timeout = NULL,
};
#endif
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 49abf2b..f363f66 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -9,7 +9,7 @@
#include <net/ip_vs.h>
static int
-sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
int *verdict, struct ip_vs_conn **cpp)
{
struct net *net;
@@ -47,10 +47,10 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
* Let the virtual server select a real server for the
* incoming connection, and create a connection entry.
*/
- *cpp = ip_vs_schedule(svc, skb, pp, &ignored);
+ *cpp = ip_vs_schedule(svc, skb, pd, &ignored);
if (!*cpp && ignored <= 0) {
if (!ignored)
- *verdict = ip_vs_leave(svc, skb, pp);
+ *verdict = ip_vs_leave(svc, skb, pd);
else {
ip_vs_service_put(svc);
*verdict = NF_DROP;
@@ -907,14 +907,13 @@ static const char *sctp_state_name(int state)
}
static inline int
-set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
+set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
int direction, const struct sk_buff *skb)
{
sctp_chunkhdr_t _sctpch, *sch;
unsigned char chunk_type;
int event, next_state;
int ihl;
- struct ip_vs_proto_data *pd;
#ifdef CONFIG_IP_VS_IPV6
ihl = cp->af == AF_INET ? ip_hdrlen(skb) : sizeof(struct ipv6hdr);
@@ -966,7 +965,7 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
IP_VS_DBG_BUF(8, "%s %s %s:%d->"
"%s:%d state: %s->%s conn->refcnt:%d\n",
- pp->name,
+ pd->pp->name,
((direction == IP_VS_DIR_OUTPUT) ?
"output " : "input "),
IP_VS_DBG_ADDR(cp->af, &cp->daddr),
@@ -990,7 +989,6 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
}
}
}
- pd = ip_vs_proto_data_get(&init_net, pp->protocol); /* tmp fix */
if (likely(pd))
cp->timeout = pd->timeout_table[cp->state = next_state];
else /* What to do ? */
@@ -1001,12 +999,12 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
static int
sctp_state_transition(struct ip_vs_conn *cp, int direction,
- const struct sk_buff *skb, struct ip_vs_protocol *pp)
+ const struct sk_buff *skb, struct ip_vs_proto_data *pd)
{
int ret = 0;
spin_lock(&cp->lock);
- ret = set_sctp_state(pp, cp, direction, skb);
+ ret = set_sctp_state(pd, cp, direction, skb);
spin_unlock(&cp->lock);
return ret;
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 88f3a22..830dc3e 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -32,7 +32,7 @@
#include <net/ip_vs.h>
static int
-tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
int *verdict, struct ip_vs_conn **cpp)
{
struct net *net;
@@ -68,10 +68,10 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
* Let the virtual server select a real server for the
* incoming connection, and create a connection entry.
*/
- *cpp = ip_vs_schedule(svc, skb, pp, &ignored);
+ *cpp = ip_vs_schedule(svc, skb, pd, &ignored);
if (!*cpp && ignored <= 0) {
if (!ignored)
- *verdict = ip_vs_leave(svc, skb, pp);
+ *verdict = ip_vs_leave(svc, skb, pd);
else {
ip_vs_service_put(svc);
*verdict = NF_DROP;
@@ -448,10 +448,7 @@ static struct tcp_states_t tcp_states_dos [] = {
/*rst*/ {{sCL, sCL, sCL, sSR, sCL, sCL, sCL, sCL, sLA, sLI, sCL }},
};
-static struct tcp_states_t *tcp_state_table = tcp_states;
-
-
-static void tcp_timeout_change(struct ip_vs_protocol *pp, int flags)
+static void tcp_timeout_change(struct ip_vs_proto_data *pd, int flags)
{
int on = (flags & 1); /* secure_tcp */
@@ -461,7 +458,7 @@ static void tcp_timeout_change(struct ip_vs_protocol *pp, int flags)
** for most if not for all of the applications. Something
** like "capabilities" (flags) for each object.
*/
- tcp_state_table = (on? tcp_states_dos : tcp_states);
+ pd->tcp_state_table = (on? tcp_states_dos : tcp_states);
}
static inline int tcp_state_idx(struct tcphdr *th)
@@ -478,13 +475,12 @@ static inline int tcp_state_idx(struct tcphdr *th)
}
static inline void
-set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
+set_tcp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
int direction, struct tcphdr *th)
{
int state_idx;
int new_state = IP_VS_TCP_S_CLOSE;
int state_off = tcp_state_off[direction];
- struct ip_vs_proto_data *pd; /* Temp fix */
/*
* Update state offset to INPUT_ONLY if necessary
@@ -502,7 +498,7 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
goto tcp_state_out;
}
- new_state = tcp_state_table[state_off+state_idx].next_state[cp->state];
+ new_state = pd->tcp_state_table[state_off+state_idx].next_state[cp->state];
tcp_state_out:
if (new_state != cp->state) {
@@ -510,7 +506,7 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
IP_VS_DBG_BUF(8, "%s %s [%c%c%c%c] %s:%d->"
"%s:%d state: %s->%s conn->refcnt:%d\n",
- pp->name,
+ pd->pp->name,
((state_off == TCP_DIR_OUTPUT) ?
"output " : "input "),
th->syn ? 'S' : '.',
@@ -540,7 +536,6 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
}
}
- pd = ip_vs_proto_data_get(&init_net, pp->protocol);
if (likely(pd))
cp->timeout = pd->timeout_table[cp->state = new_state];
else /* What to do ? */
@@ -553,7 +548,7 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
static int
tcp_state_transition(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
- struct ip_vs_protocol *pp)
+ struct ip_vs_proto_data *pd)
{
struct tcphdr _tcph, *th;
@@ -568,7 +563,7 @@ tcp_state_transition(struct ip_vs_conn *cp, int direction,
return 0;
spin_lock(&cp->lock);
- set_tcp_state(pp, cp, direction, th);
+ set_tcp_state(pd, cp, direction, th);
spin_unlock(&cp->lock);
return 1;
@@ -691,6 +686,7 @@ static void __ip_vs_tcp_init(struct net *net, struct ip_vs_proto_data *pd)
spin_lock_init(&ipvs->tcp_app_lock);
pd->timeout_table = ip_vs_create_timeout_table((int*)tcp_timeouts,
sizeof(tcp_timeouts));
+ pd->tcp_state_table = tcp_states;
}
static void __ip_vs_tcp_exit(struct net *net, struct ip_vs_proto_data *pd)
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index 71a4721..aa85df2 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -29,7 +29,7 @@
#include <net/ip6_checksum.h>
static int
-udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
int *verdict, struct ip_vs_conn **cpp)
{
struct net *net;
@@ -64,10 +64,10 @@ udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
* Let the virtual server select a real server for the
* incoming connection, and create a connection entry.
*/
- *cpp = ip_vs_schedule(svc, skb, pp, &ignored);
+ *cpp = ip_vs_schedule(svc, skb, pd, &ignored);
if (!*cpp && ignored <= 0) {
if (!ignored)
- *verdict = ip_vs_leave(svc, skb, pp);
+ *verdict = ip_vs_leave(svc, skb, pd);
else {
ip_vs_service_put(svc);
*verdict = NF_DROP;
@@ -457,11 +457,8 @@ static const char * udp_state_name(int state)
static int
udp_state_transition(struct ip_vs_conn *cp, int direction,
const struct sk_buff *skb,
- struct ip_vs_protocol *pp)
+ struct ip_vs_proto_data *pd)
{
- struct ip_vs_proto_data *pd; /* Temp fix, pp will be replaced by pd */
^ permalink raw reply related
* [*v3 PATCH 11/22] IPVS: netns, common protocol changes and use of appcnt.
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
appcnt and timeout_table moved from struct ip_vs_protocol to
ip_vs proto_data.
struct net *net added as first param to
- register_app()
- unregister_app()
- app_conn_bind()
- ip_vs_conn_new()
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 2 -
net/netfilter/ipvs/ip_vs_conn.c | 6 ++--
net/netfilter/ipvs/ip_vs_proto_sctp.c | 4 +-
net/netfilter/ipvs/ip_vs_proto_tcp.c | 5 +--
net/netfilter/ipvs/ip_vs_proto_udp.c | 4 +-
net/netfilter/ipvs/ip_vs_sync.c | 56 +++++++++++++++++---------------
6 files changed, 39 insertions(+), 38 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 135a163..fde0bca 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -358,8 +358,6 @@ struct ip_vs_protocol {
u16 protocol;
u16 num_states;
int dont_defrag;
- atomic_t appcnt; /* counter of proto app incs */
- int *timeout_table; /* protocol timeout table */
void (*init)(struct ip_vs_protocol *pp);
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index a7aba6a..b2024c9 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -804,7 +804,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
struct ip_vs_dest *dest, __u32 fwmark)
{
struct ip_vs_conn *cp;
- struct ip_vs_protocol *pp = ip_vs_proto_get(p->protocol);
+ struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, p->protocol);
cp = kmem_cache_zalloc(ip_vs_conn_cachep, GFP_ATOMIC);
if (cp == NULL) {
@@ -863,8 +863,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
#endif
ip_vs_bind_xmit(cp);
- if (unlikely(pp && atomic_read(&pp->appcnt)))
- ip_vs_bind_app(cp, pp);
+ if (unlikely(pd && atomic_read(&pd->appcnt)))
+ ip_vs_bind_app(cp, pd->pp);
/*
* Allow conntrack to be preserved. By default, conntrack
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index f363f66..ad44205 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -1035,7 +1035,7 @@ static int sctp_register_app(struct ip_vs_app *inc)
}
}
list_add(&inc->p_list, &ipvs->sctp_apps[hash]);
- atomic_inc(&pd->pp->appcnt);
+ atomic_inc(&pd->appcnt);
out:
spin_unlock_bh(&ipvs->sctp_app_lock);
@@ -1048,7 +1048,7 @@ static void sctp_unregister_app(struct ip_vs_app *inc)
struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, IPPROTO_SCTP);
spin_lock_bh(&ipvs->sctp_app_lock);
- atomic_dec(&pd->pp->appcnt);
+ atomic_dec(&pd->appcnt);
list_del(&inc->p_list);
spin_unlock_bh(&ipvs->sctp_app_lock);
}
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 830dc3e..83bcda3 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -595,7 +595,7 @@ static int tcp_register_app(struct ip_vs_app *inc)
}
}
list_add(&inc->p_list, &ipvs->tcp_apps[hash]);
- atomic_inc(&pd->pp->appcnt);
+ atomic_inc(&pd->appcnt);
out:
spin_unlock_bh(&ipvs->tcp_app_lock);
@@ -610,7 +610,7 @@ tcp_unregister_app(struct ip_vs_app *inc)
struct ip_vs_proto_data *pd = ip_vs_proto_data_get(&init_net, IPPROTO_TCP);
spin_lock_bh(&ipvs->tcp_app_lock);
- atomic_dec(&pd->pp->appcnt);
+ atomic_dec(&pd->appcnt);
list_del(&inc->p_list);
spin_unlock_bh(&ipvs->tcp_app_lock);
}
@@ -700,7 +700,6 @@ struct ip_vs_protocol ip_vs_protocol_tcp = {
.protocol = IPPROTO_TCP,
.num_states = IP_VS_TCP_S_LAST,
.dont_defrag = 0,
- .appcnt = ATOMIC_INIT(0),
.init = NULL,
.exit = NULL,
.init_netns = __ip_vs_tcp_init,
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index aa85df2..3719837 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -373,7 +373,7 @@ static int udp_register_app(struct ip_vs_app *inc)
}
}
list_add(&inc->p_list, &ipvs->udp_apps[hash]);
- atomic_inc(&pd->pp->appcnt);
+ atomic_inc(&pd->appcnt);
out:
spin_unlock_bh(&ipvs->udp_app_lock);
@@ -388,7 +388,7 @@ udp_unregister_app(struct ip_vs_app *inc)
struct netns_ipvs *ipvs = net_ipvs(&init_net);
spin_lock_bh(&ipvs->udp_app_lock);
- atomic_dec(&pd->pp->appcnt);
+ atomic_dec(&pd->appcnt);
list_del(&inc->p_list);
spin_unlock_bh(&ipvs->udp_app_lock);
}
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index df74b2c..8c8bb4c 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -725,17 +725,16 @@ ip_vs_conn_fill_param_sync(int af, union ip_vs_sync_conn *sc,
* Param: ...
* timeout is in sec.
*/
-static void ip_vs_proc_conn(struct ip_vs_conn_param *param, unsigned flags,
- unsigned state, unsigned protocol, unsigned type,
+static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
+ unsigned int flags, unsigned int state,
+ unsigned int protocol, unsigned int type,
const union nf_inet_addr *daddr, __be16 dport,
unsigned long timeout, __u32 fwmark,
- struct ip_vs_sync_conn_options *opt,
- struct ip_vs_protocol *pp)
+ struct ip_vs_sync_conn_options *opt)
{
struct ip_vs_dest *dest;
struct ip_vs_conn *cp;
-
if (!(flags & IP_VS_CONN_F_TEMPLATE))
cp = ip_vs_conn_in_get(param);
else
@@ -821,17 +820,23 @@ static void ip_vs_proc_conn(struct ip_vs_conn_param *param, unsigned flags,
if (timeout > MAX_SCHEDULE_TIMEOUT / HZ)
timeout = MAX_SCHEDULE_TIMEOUT / HZ;
cp->timeout = timeout*HZ;
- } else if (!(flags & IP_VS_CONN_F_TEMPLATE) && pp->timeout_table)
- cp->timeout = pp->timeout_table[state];
- else
- cp->timeout = (3*60*HZ);
+ } else {
+ struct ip_vs_proto_data *pd;
+
+ pd = ip_vs_proto_data_get(net, protocol);
+ if (!(flags & IP_VS_CONN_F_TEMPLATE) && pd && pd->timeout_table)
+ cp->timeout = pd->timeout_table[state];
+ else
+ cp->timeout = (3*60*HZ);
+ }
ip_vs_conn_put(cp);
}
/*
* Process received multicast message for Version 0
*/
-static void ip_vs_process_message_v0(const char *buffer, const size_t buflen)
+static void ip_vs_process_message_v0(struct net *net, const char *buffer,
+ const size_t buflen)
{
struct ip_vs_sync_mesg_v0 *m = (struct ip_vs_sync_mesg_v0 *)buffer;
struct ip_vs_sync_conn_v0 *s;
@@ -843,7 +848,7 @@ static void ip_vs_process_message_v0(const char *buffer, const size_t buflen)
p = (char *)buffer + sizeof(struct ip_vs_sync_mesg_v0);
for (i=0; i<m->nr_conns; i++) {
- unsigned flags, state;
+ unsigned int flags, state;
if (p + SIMPLE_CONN_SIZE > buffer+buflen) {
IP_VS_ERR_RL("BACKUP v0, bogus conn\n");
@@ -879,7 +884,6 @@ static void ip_vs_process_message_v0(const char *buffer, const size_t buflen)
}
} else {
/* protocol in templates is not used for state/timeout */
- pp = NULL;
if (state > 0) {
IP_VS_DBG(2, "BACKUP v0, Invalid template state %u\n",
state);
@@ -894,9 +898,9 @@ static void ip_vs_process_message_v0(const char *buffer, const size_t buflen)
s->vport, ¶m);
/* Send timeout as Zero */
- ip_vs_proc_conn(¶m, flags, state, s->protocol, AF_INET,
+ ip_vs_proc_conn(net, ¶m, flags, state, s->protocol, AF_INET,
(union nf_inet_addr *)&s->daddr, s->dport,
- 0, 0, opt, pp);
+ 0, 0, opt);
}
}
@@ -945,7 +949,7 @@ static int ip_vs_proc_str(__u8 *p, unsigned int plen, unsigned int *data_len,
/*
* Process a Version 1 sync. connection
*/
-static inline int ip_vs_proc_sync_conn(__u8 *p, __u8 *msg_end)
+static inline int ip_vs_proc_sync_conn(struct net *net, __u8 *p, __u8 *msg_end)
{
struct ip_vs_sync_conn_options opt;
union ip_vs_sync_conn *s;
@@ -1043,7 +1047,6 @@ static inline int ip_vs_proc_sync_conn(__u8 *p, __u8 *msg_end)
}
} else {
/* protocol in templates is not used for state/timeout */
- pp = NULL;
if (state > 0) {
IP_VS_DBG(3, "BACKUP, Invalid template state %u\n",
state);
@@ -1058,18 +1061,18 @@ static inline int ip_vs_proc_sync_conn(__u8 *p, __u8 *msg_end)
}
/* If only IPv4, just silent skip IPv6 */
if (af == AF_INET)
- ip_vs_proc_conn(¶m, flags, state, s->v4.protocol, af,
+ ip_vs_proc_conn(net, ¶m, flags, state, s->v4.protocol, af,
(union nf_inet_addr *)&s->v4.daddr, s->v4.dport,
ntohl(s->v4.timeout), ntohl(s->v4.fwmark),
- (opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL),
- pp);
+ (opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
+ );
#ifdef CONFIG_IP_VS_IPV6
else
- ip_vs_proc_conn(¶m, flags, state, s->v6.protocol, af,
+ ip_vs_proc_conn(net, ¶m, flags, state, s->v6.protocol, af,
(union nf_inet_addr *)&s->v6.daddr, s->v6.dport,
ntohl(s->v6.timeout), ntohl(s->v6.fwmark),
- (opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL),
- pp);
+ (opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
+ );
#endif
return 0;
/* Error exit */
@@ -1083,7 +1086,8 @@ out:
* ip_vs_conn entries.
* Handles Version 0 & 1
*/
-static void ip_vs_process_message(__u8 *buffer, const size_t buflen)
+static void ip_vs_process_message(struct net *net, __u8 *buffer,
+ const size_t buflen)
{
struct ip_vs_sync_mesg *m2 = (struct ip_vs_sync_mesg *)buffer;
__u8 *p, *msg_end;
@@ -1136,7 +1140,7 @@ static void ip_vs_process_message(__u8 *buffer, const size_t buflen)
return;
}
/* Process a single sync_conn */
- if ((retc=ip_vs_proc_sync_conn(p, msg_end)) < 0) {
+ if ((retc=ip_vs_proc_sync_conn(net, p, msg_end)) < 0) {
IP_VS_ERR_RL("BACKUP, Dropping buffer, Err: %d in decoding\n",
retc);
return;
@@ -1146,7 +1150,7 @@ static void ip_vs_process_message(__u8 *buffer, const size_t buflen)
}
} else {
/* Old type of message */
- ip_vs_process_message_v0(buffer, buflen);
+ ip_vs_process_message_v0(net, buffer, buflen);
return;
}
}
@@ -1500,7 +1504,7 @@ static int sync_thread_backup(void *data)
/* disable bottom half, because it accesses the data
shared by softirq while getting/creating conns */
local_bh_disable();
- ip_vs_process_message(tinfo->buf, len);
+ ip_vs_process_message(&init_net, tinfo->buf, len);
local_bh_enable();
}
}
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 14/22] IPVS: netns awareness to ip_vs_sync
From: hans @ 2010-12-30 10:50 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
All global variables moved to struct ipvs,
most external changes fixed (i.e. init_net removed)
in sync_buf create + 4 replaced by sizeof(struct..)
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 14 +-
include/net/netns/ip_vs.h | 16 ++
net/netfilter/ipvs/ip_vs_core.c | 14 +-
net/netfilter/ipvs/ip_vs_ctl.c | 55 ++++---
net/netfilter/ipvs/ip_vs_sync.c | 325 +++++++++++++++++++++------------------
5 files changed, 235 insertions(+), 189 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 489c6ea..d7b1dcd 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -956,7 +956,7 @@ extern struct ip_vs_stats ip_vs_stats;
extern const struct ctl_path net_vs_ctl_path[];
extern int sysctl_ip_vs_sync_ver;
-extern void ip_vs_sync_switch_mode(int mode);
+extern void ip_vs_sync_switch_mode(struct net *net, int mode);
extern struct ip_vs_service *
ip_vs_service_get(struct net *net, int af, __u32 fwmark, __u16 protocol,
const union nf_inet_addr *vaddr, __be16 vport);
@@ -985,14 +985,10 @@ extern struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp);
* IPVS sync daemon data and function prototypes
* (from ip_vs_sync.c)
*/
-extern volatile int ip_vs_sync_state;
-extern volatile int ip_vs_master_syncid;
-extern volatile int ip_vs_backup_syncid;
-extern char ip_vs_master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
-extern char ip_vs_backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
-extern int start_sync_thread(int state, char *mcast_ifn, __u8 syncid);
-extern int stop_sync_thread(int state);
-extern void ip_vs_sync_conn(struct ip_vs_conn *cp);
+extern int start_sync_thread(struct net *net, int state, char *mcast_ifn,
+ __u8 syncid);
+extern int stop_sync_thread(struct net *net, int state);
+extern void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp);
extern int ip_vs_sync_init(void);
extern void ip_vs_sync_cleanup(void);
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 3da0eca..f6a6114 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -75,6 +75,22 @@ struct netns_ipvs {
spinlock_t est_lock;
struct timer_list est_timer; /* Estimation timer */
+ /* ip_vs_sync */
+ struct list_head sync_queue;
+ spinlock_t sync_lock;
+ struct ip_vs_sync_buff *sync_buff;
+ spinlock_t sync_buff_lock;
+ struct sockaddr_in sync_mcast_addr;
+ struct task_struct *master_thread;
+ struct task_struct *backup_thread;
+ int send_mesg_maxlen;
+ int recv_mesg_maxlen;
+ volatile int sync_state;
+ volatile int master_syncid;
+ volatile int backup_syncid;
+ /* multicast interface name */
+ char master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
+ char backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
};
#endif /* IP_VS_H_ */
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 0454a11..5d6e250 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1477,6 +1477,8 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
struct ip_vs_proto_data *pd;
struct ip_vs_conn *cp;
int ret, restart, pkts;
+ struct net *net;
+ struct netns_ipvs *ipvs;
/* Already marked as IPVS request or reply? */
if (skb->ipvs_property)
@@ -1556,7 +1558,8 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
}
IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet");
-
+ net = skb_net(skb);
+ ipvs = net_ipvs(net);
/* Check the server status */
if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) {
/* the destination server is not available */
@@ -1589,12 +1592,13 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
*
* For ONE_PKT let ip_vs_sync_conn() do the filter work.
*/
+
if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
pkts = sysctl_ip_vs_sync_threshold[0];
else
pkts = atomic_add_return(1, &cp->in_pkts);
- if ((ip_vs_sync_state & IP_VS_STATE_MASTER) &&
+ if ((ipvs->sync_state & IP_VS_STATE_MASTER) &&
cp->protocol == IPPROTO_SCTP) {
if ((cp->state == IP_VS_SCTP_S_ESTABLISHED &&
(pkts % sysctl_ip_vs_sync_threshold[1]
@@ -1603,13 +1607,13 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
((cp->state == IP_VS_SCTP_S_CLOSED) ||
(cp->state == IP_VS_SCTP_S_SHUT_ACK_CLI) ||
(cp->state == IP_VS_SCTP_S_SHUT_ACK_SER)))) {
- ip_vs_sync_conn(cp);
+ ip_vs_sync_conn(net, cp);
goto out;
}
}
/* Keep this block last: TCP and others with pp->num_states <= 1 */
- else if ((ip_vs_sync_state & IP_VS_STATE_MASTER) &&
+ else if ((ipvs->sync_state & IP_VS_STATE_MASTER) &&
(((cp->protocol != IPPROTO_TCP ||
cp->state == IP_VS_TCP_S_ESTABLISHED) &&
(pkts % sysctl_ip_vs_sync_threshold[1]
@@ -1619,7 +1623,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
(cp->state == IP_VS_TCP_S_CLOSE) ||
(cp->state == IP_VS_TCP_S_CLOSE_WAIT) ||
(cp->state == IP_VS_TCP_S_TIME_WAIT)))))
- ip_vs_sync_conn(cp);
+ ip_vs_sync_conn(net, cp);
out:
cp->old_state = cp->state;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 5b4da80..105c05f 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1559,7 +1559,8 @@ proc_do_sync_mode(ctl_table *table, int write,
/* Restore the correct value */
*valp = val;
} else {
- ip_vs_sync_switch_mode(val);
+ struct net *net = current->nsproxy->net_ns;
+ ip_vs_sync_switch_mode(net, val);
}
}
return rc;
@@ -2174,11 +2175,12 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
goto out_unlock;
} else if (cmd == IP_VS_SO_SET_STARTDAEMON) {
struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg;
- ret = start_sync_thread(dm->state, dm->mcast_ifn, dm->syncid);
+ ret = start_sync_thread(net, dm->state, dm->mcast_ifn,
+ dm->syncid);
goto out_unlock;
} else if (cmd == IP_VS_SO_SET_STOPDAEMON) {
struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg;
- ret = stop_sync_thread(dm->state);
+ ret = stop_sync_thread(net, dm->state);
goto out_unlock;
}
@@ -2286,7 +2288,8 @@ ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src)
}
static inline int
-__ip_vs_get_service_entries(struct net *net, const struct ip_vs_get_services *get,
+__ip_vs_get_service_entries(struct net *net,
+ const struct ip_vs_get_services *get,
struct ip_vs_get_services __user *uptr)
{
int idx, count=0;
@@ -2423,6 +2426,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
int ret = 0;
unsigned int copylen;
struct net *net = sock_net(sk);
+ struct netns_ipvs *ipvs = net_ipvs(net);
BUG_ON(!net);
if (!capable(CAP_NET_ADMIN))
@@ -2544,15 +2548,17 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
struct ip_vs_daemon_user d[2];
memset(&d, 0, sizeof(d));
- if (ip_vs_sync_state & IP_VS_STATE_MASTER) {
+ if (ipvs->sync_state & IP_VS_STATE_MASTER) {
d[0].state = IP_VS_STATE_MASTER;
- strlcpy(d[0].mcast_ifn, ip_vs_master_mcast_ifn, sizeof(d[0].mcast_ifn));
- d[0].syncid = ip_vs_master_syncid;
+ strlcpy(d[0].mcast_ifn, ipvs->master_mcast_ifn,
+ sizeof(d[0].mcast_ifn));
+ d[0].syncid = ipvs->master_syncid;
}
- if (ip_vs_sync_state & IP_VS_STATE_BACKUP) {
+ if (ipvs->sync_state & IP_VS_STATE_BACKUP) {
d[1].state = IP_VS_STATE_BACKUP;
- strlcpy(d[1].mcast_ifn, ip_vs_backup_mcast_ifn, sizeof(d[1].mcast_ifn));
- d[1].syncid = ip_vs_backup_syncid;
+ strlcpy(d[1].mcast_ifn, ipvs->backup_mcast_ifn,
+ sizeof(d[1].mcast_ifn));
+ d[1].syncid = ipvs->backup_syncid;
}
if (copy_to_user(user, &d, sizeof(d)) != 0)
ret = -EFAULT;
@@ -3059,20 +3065,23 @@ nla_put_failure:
static int ip_vs_genl_dump_daemons(struct sk_buff *skb,
struct netlink_callback *cb)
{
+ struct net *net = skb_net(skb);
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
mutex_lock(&__ip_vs_mutex);
- if ((ip_vs_sync_state & IP_VS_STATE_MASTER) && !cb->args[0]) {
+ if ((ipvs->sync_state & IP_VS_STATE_MASTER) && !cb->args[0]) {
if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_MASTER,
- ip_vs_master_mcast_ifn,
- ip_vs_master_syncid, cb) < 0)
+ ipvs->master_mcast_ifn,
+ ipvs->master_syncid, cb) < 0)
goto nla_put_failure;
cb->args[0] = 1;
}
- if ((ip_vs_sync_state & IP_VS_STATE_BACKUP) && !cb->args[1]) {
+ if ((ipvs->sync_state & IP_VS_STATE_BACKUP) && !cb->args[1]) {
if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_BACKUP,
- ip_vs_backup_mcast_ifn,
- ip_vs_backup_syncid, cb) < 0)
+ ipvs->backup_mcast_ifn,
+ ipvs->backup_syncid, cb) < 0)
goto nla_put_failure;
cb->args[1] = 1;
@@ -3084,24 +3093,26 @@ nla_put_failure:
return skb->len;
}
-static int ip_vs_genl_new_daemon(struct nlattr **attrs)
+static int ip_vs_genl_new_daemon(struct net *net, struct nlattr **attrs)
{
if (!(attrs[IPVS_DAEMON_ATTR_STATE] &&
attrs[IPVS_DAEMON_ATTR_MCAST_IFN] &&
attrs[IPVS_DAEMON_ATTR_SYNC_ID]))
return -EINVAL;
- return start_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]),
+ return start_sync_thread(net,
+ nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]),
nla_data(attrs[IPVS_DAEMON_ATTR_MCAST_IFN]),
nla_get_u32(attrs[IPVS_DAEMON_ATTR_SYNC_ID]));
}
-static int ip_vs_genl_del_daemon(struct nlattr **attrs)
+static int ip_vs_genl_del_daemon(struct net *net, struct nlattr **attrs)
{
if (!attrs[IPVS_DAEMON_ATTR_STATE])
return -EINVAL;
- return stop_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]));
+ return stop_sync_thread(net,
+ nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]));
}
static int ip_vs_genl_set_config(struct net *net, struct nlattr **attrs)
@@ -3157,9 +3168,9 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
}
if (cmd == IPVS_CMD_NEW_DAEMON)
- ret = ip_vs_genl_new_daemon(daemon_attrs);
+ ret = ip_vs_genl_new_daemon(net, daemon_attrs);
else
- ret = ip_vs_genl_del_daemon(daemon_attrs);
+ ret = ip_vs_genl_del_daemon(net, daemon_attrs);
goto out;
} else if (cmd == IPVS_CMD_ZERO &&
!info->attrs[IPVS_CMD_ATTR_SERVICE]) {
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 8c8bb4c..29c6bbb 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -192,6 +192,7 @@ union ip_vs_sync_conn {
#define IPVS_OPT_F_PARAM (1 << (IPVS_OPT_PARAM-1))
struct ip_vs_sync_thread_data {
+ struct net *net;
struct socket *sock;
char *buf;
};
@@ -259,10 +260,6 @@ struct ip_vs_sync_mesg {
/* ip_vs_sync_conn entries start here */
};
-/* the maximum length of sync (sending/receiving) message */
-static int sync_send_mesg_maxlen;
-static int sync_recv_mesg_maxlen;
-
struct ip_vs_sync_buff {
struct list_head list;
unsigned long firstuse;
@@ -273,28 +270,6 @@ struct ip_vs_sync_buff {
unsigned char *end;
};
-
-/* the sync_buff list head and the lock */
-static LIST_HEAD(ip_vs_sync_queue);
-static DEFINE_SPINLOCK(ip_vs_sync_lock);
-
-/* current sync_buff for accepting new conn entries */
-static struct ip_vs_sync_buff *curr_sb = NULL;
-static DEFINE_SPINLOCK(curr_sb_lock);
-
-/* ipvs sync daemon state */
-volatile int ip_vs_sync_state = IP_VS_STATE_NONE;
-volatile int ip_vs_master_syncid = 0;
-volatile int ip_vs_backup_syncid = 0;
-
-/* multicast interface name */
-char ip_vs_master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
-char ip_vs_backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
-
-/* sync daemon tasks */
-static struct task_struct *sync_master_thread;
-static struct task_struct *sync_backup_thread;
-
/* multicast addr */
static struct sockaddr_in mcast_addr = {
.sin_family = AF_INET,
@@ -324,20 +299,20 @@ static void hton_seq(struct ip_vs_seq *ho, struct ip_vs_seq *no)
put_unaligned_be32(ho->previous_delta, &no->previous_delta);
}
-static inline struct ip_vs_sync_buff *sb_dequeue(void)
+static inline struct ip_vs_sync_buff *sb_dequeue(struct netns_ipvs *ipvs)
{
struct ip_vs_sync_buff *sb;
- spin_lock_bh(&ip_vs_sync_lock);
- if (list_empty(&ip_vs_sync_queue)) {
+ spin_lock_bh(&ipvs->sync_lock);
+ if (list_empty(&ipvs->sync_queue)) {
sb = NULL;
} else {
- sb = list_entry(ip_vs_sync_queue.next,
+ sb = list_entry(ipvs->sync_queue.next,
struct ip_vs_sync_buff,
list);
list_del(&sb->list);
}
- spin_unlock_bh(&ip_vs_sync_lock);
+ spin_unlock_bh(&ipvs->sync_lock);
return sb;
}
@@ -345,25 +320,26 @@ static inline struct ip_vs_sync_buff *sb_dequeue(void)
/*
* Create a new sync buffer for Version 1 proto.
*/
-static inline struct ip_vs_sync_buff * ip_vs_sync_buff_create(void)
+static inline struct ip_vs_sync_buff *
+ip_vs_sync_buff_create(struct netns_ipvs *ipvs)
{
struct ip_vs_sync_buff *sb;
if (!(sb=kmalloc(sizeof(struct ip_vs_sync_buff), GFP_ATOMIC)))
return NULL;
- if (!(sb->mesg=kmalloc(sync_send_mesg_maxlen, GFP_ATOMIC))) {
+ if (!(sb->mesg=kmalloc(ipvs->send_mesg_maxlen, GFP_ATOMIC))) {
kfree(sb);
return NULL;
}
sb->mesg->reserved = 0; /* old nr_conns i.e. must be zeo now */
sb->mesg->version = SYNC_PROTO_VER;
- sb->mesg->syncid = ip_vs_master_syncid;
+ sb->mesg->syncid = ipvs->master_syncid;
sb->mesg->size = sizeof(struct ip_vs_sync_mesg);
sb->mesg->nr_conns = 0;
sb->mesg->spare = 0;
sb->head = (unsigned char *)sb->mesg + sizeof(struct ip_vs_sync_mesg);
- sb->end = (unsigned char *)sb->mesg + sync_send_mesg_maxlen;
+ sb->end = (unsigned char *)sb->mesg + ipvs->send_mesg_maxlen;
sb->firstuse = jiffies;
return sb;
@@ -375,14 +351,16 @@ static inline void ip_vs_sync_buff_release(struct ip_vs_sync_buff *sb)
kfree(sb);
}
-static inline void sb_queue_tail(struct ip_vs_sync_buff *sb)
+static inline void sb_queue_tail(struct netns_ipvs *ipvs)
{
- spin_lock(&ip_vs_sync_lock);
- if (ip_vs_sync_state & IP_VS_STATE_MASTER)
- list_add_tail(&sb->list, &ip_vs_sync_queue);
+ struct ip_vs_sync_buff *sb = ipvs->sync_buff;
+
+ spin_lock(&ipvs->sync_lock);
+ if (ipvs->sync_state & IP_VS_STATE_MASTER)
+ list_add_tail(&sb->list, &ipvs->sync_queue);
else
ip_vs_sync_buff_release(sb);
- spin_unlock(&ip_vs_sync_lock);
+ spin_unlock(&ipvs->sync_lock);
}
/*
@@ -390,18 +368,18 @@ static inline void sb_queue_tail(struct ip_vs_sync_buff *sb)
* than the specified time or the specified time is zero.
*/
static inline struct ip_vs_sync_buff *
-get_curr_sync_buff(unsigned long time)
+get_curr_sync_buff(struct netns_ipvs *ipvs, unsigned long time)
{
struct ip_vs_sync_buff *sb;
- spin_lock_bh(&curr_sb_lock);
- if (curr_sb && (time == 0 ||
- time_before(jiffies - curr_sb->firstuse, time))) {
- sb = curr_sb;
- curr_sb = NULL;
+ spin_lock_bh(&ipvs->sync_buff_lock);
+ if (ipvs->sync_buff && (time == 0 ||
+ time_before(jiffies - ipvs->sync_buff->firstuse, time))) {
+ sb = ipvs->sync_buff;
+ ipvs->sync_buff = NULL;
} else
sb = NULL;
- spin_unlock_bh(&curr_sb_lock);
+ spin_unlock_bh(&ipvs->sync_buff_lock);
return sb;
}
@@ -409,33 +387,37 @@ get_curr_sync_buff(unsigned long time)
* Switch mode from sending version 0 or 1
* - must handle sync_buf
*/
-void ip_vs_sync_switch_mode(int mode) {
+void ip_vs_sync_switch_mode(struct net *net, int mode)
+{
+ struct netns_ipvs *ipvs = net_ipvs(net);
- if (!ip_vs_sync_state & IP_VS_STATE_MASTER)
+ if (!ipvs->sync_state & IP_VS_STATE_MASTER)
return;
- if (mode == sysctl_ip_vs_sync_ver || !curr_sb)
+ if (mode == sysctl_ip_vs_sync_ver || !ipvs->sync_buff)
return;
- spin_lock_bh(&curr_sb_lock);
+ spin_lock_bh(&ipvs->sync_buff_lock);
/* Buffer empty ? then let buf_create do the job */
- if ( curr_sb->mesg->size <= sizeof(struct ip_vs_sync_mesg)) {
- kfree(curr_sb);
- curr_sb = NULL;
+ if ( ipvs->sync_buff->mesg->size <= sizeof(struct ip_vs_sync_mesg)) {
+ kfree(ipvs->sync_buff);
+ ipvs->sync_buff = NULL;
} else {
- spin_lock_bh(&ip_vs_sync_lock);
- if (ip_vs_sync_state & IP_VS_STATE_MASTER)
- list_add_tail(&curr_sb->list, &ip_vs_sync_queue);
+ spin_lock_bh(&ipvs->sync_lock);
+ if (ipvs->sync_state & IP_VS_STATE_MASTER)
+ list_add_tail(&ipvs->sync_buff->list,
+ &ipvs->sync_queue);
else
- ip_vs_sync_buff_release(curr_sb);
- spin_unlock_bh(&ip_vs_sync_lock);
+ ip_vs_sync_buff_release(ipvs->sync_buff);
+ spin_unlock_bh(&ipvs->sync_lock);
}
- spin_unlock_bh(&curr_sb_lock);
+ spin_unlock_bh(&ipvs->sync_buff_lock);
}
/*
* Create a new sync buffer for Version 0 proto.
*/
-static inline struct ip_vs_sync_buff * ip_vs_sync_buff_create_v0(void)
+static inline struct ip_vs_sync_buff *
+ip_vs_sync_buff_create_v0(struct netns_ipvs *ipvs)
{
struct ip_vs_sync_buff *sb;
struct ip_vs_sync_mesg_v0 *mesg;
@@ -443,16 +425,16 @@ static inline struct ip_vs_sync_buff * ip_vs_sync_buff_create_v0(void)
if (!(sb=kmalloc(sizeof(struct ip_vs_sync_buff), GFP_ATOMIC)))
return NULL;
- if (!(sb->mesg=kmalloc(sync_send_mesg_maxlen, GFP_ATOMIC))) {
+ if (!(sb->mesg=kmalloc(ipvs->send_mesg_maxlen, GFP_ATOMIC))) {
kfree(sb);
return NULL;
}
mesg = (struct ip_vs_sync_mesg_v0 *)sb->mesg;
mesg->nr_conns = 0;
- mesg->syncid = ip_vs_master_syncid;
- mesg->size = 4;
- sb->head = (unsigned char *)mesg + 4;
- sb->end = (unsigned char *)mesg + sync_send_mesg_maxlen;
+ mesg->syncid = ipvs->master_syncid;
+ mesg->size = sizeof(struct ip_vs_sync_mesg_v0);
+ sb->head = (unsigned char *)mesg + sizeof(struct ip_vs_sync_mesg_v0);
+ sb->end = (unsigned char *)mesg + ipvs->send_mesg_maxlen;
sb->firstuse = jiffies;
return sb;
}
@@ -461,8 +443,9 @@ static inline struct ip_vs_sync_buff * ip_vs_sync_buff_create_v0(void)
* Version 0 , could be switched in by sys_ctl.
* Add an ip_vs_conn information into the current sync_buff.
*/
-void ip_vs_sync_conn_v0(struct ip_vs_conn *cp)
+void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_sync_mesg_v0 *m;
struct ip_vs_sync_conn_v0 *s;
int len;
@@ -473,10 +456,12 @@ void ip_vs_sync_conn_v0(struct ip_vs_conn *cp)
if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
return;
- spin_lock(&curr_sb_lock);
- if (!curr_sb) {
- if (!(curr_sb=ip_vs_sync_buff_create_v0())) {
- spin_unlock(&curr_sb_lock);
+ spin_lock(&ipvs->sync_buff_lock);
+ if (!ipvs->sync_buff) {
+ ipvs->sync_buff =
+ ip_vs_sync_buff_create_v0(ipvs);
+ if (!ipvs->sync_buff) {
+ spin_unlock(&ipvs->sync_buff_lock);
pr_err("ip_vs_sync_buff_create failed.\n");
return;
}
@@ -484,8 +469,8 @@ void ip_vs_sync_conn_v0(struct ip_vs_conn *cp)
len = (cp->flags & IP_VS_CONN_F_SEQ_MASK) ? FULL_CONN_SIZE :
SIMPLE_CONN_SIZE;
- m = (struct ip_vs_sync_mesg_v0 *)curr_sb->mesg;
- s = (struct ip_vs_sync_conn_v0 *)curr_sb->head;
+ m = (struct ip_vs_sync_mesg_v0 *)ipvs->sync_buff->mesg;
+ s = (struct ip_vs_sync_conn_v0 *)ipvs->sync_buff->head;
/* copy members */
s->reserved = 0;
@@ -506,18 +491,18 @@ void ip_vs_sync_conn_v0(struct ip_vs_conn *cp)
m->nr_conns++;
m->size += len;
- curr_sb->head += len;
+ ipvs->sync_buff->head += len;
/* check if there is a space for next one */
- if (curr_sb->head + FULL_CONN_SIZE > curr_sb->end) {
- sb_queue_tail(curr_sb);
- curr_sb = NULL;
+ if (ipvs->sync_buff->head + FULL_CONN_SIZE > ipvs->sync_buff->end) {
+ sb_queue_tail(ipvs);
+ ipvs->sync_buff = NULL;
}
- spin_unlock(&curr_sb_lock);
+ spin_unlock(&ipvs->sync_buff_lock);
/* synchronize its controller if it has */
if (cp->control)
- ip_vs_sync_conn(cp->control);
+ ip_vs_sync_conn(net, cp->control);
}
/*
@@ -525,8 +510,9 @@ void ip_vs_sync_conn_v0(struct ip_vs_conn *cp)
* Called by ip_vs_in.
* Sending Version 1 messages
*/
-void ip_vs_sync_conn(struct ip_vs_conn *cp)
+void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_sync_mesg *m;
union ip_vs_sync_conn *s;
__u8 *p;
@@ -534,7 +520,7 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
/* Handle old version of the protocol */
if (sysctl_ip_vs_sync_ver == 0) {
- ip_vs_sync_conn_v0(cp);
+ ip_vs_sync_conn_v0(net, cp);
return;
}
/* Do not sync ONE PACKET */
@@ -551,7 +537,7 @@ sloop:
pe_name_len = strnlen(cp->pe->name, IP_VS_PENAME_MAXLEN);
}
- spin_lock(&curr_sb_lock);
+ spin_lock(&ipvs->sync_buff_lock);
#ifdef CONFIG_IP_VS_IPV6
if (cp->af == AF_INET6)
@@ -570,26 +556,26 @@ sloop:
/* check if there is a space for this one */
pad = 0;
- if (curr_sb) {
- pad = (4 - (size_t)curr_sb->head) & 3;
- if (curr_sb->head + len + pad > curr_sb->end) {
- sb_queue_tail(curr_sb);
- curr_sb = NULL;
+ if (ipvs->sync_buff) {
+ pad = (4 - (size_t)ipvs->sync_buff->head) & 3;
+ if (ipvs->sync_buff->head + len + pad > ipvs->sync_buff->end) {
+ sb_queue_tail(ipvs);
+ ipvs->sync_buff = NULL;
pad = 0;
}
}
- if (!curr_sb) {
- if (!(curr_sb=ip_vs_sync_buff_create())) {
- spin_unlock(&curr_sb_lock);
+ if (!ipvs->sync_buff) {
+ if (!(ipvs->sync_buff=ip_vs_sync_buff_create(ipvs))) {
+ spin_unlock(&ipvs->sync_buff_lock);
pr_err("ip_vs_sync_buff_create failed.\n");
return;
}
}
- m = curr_sb->mesg;
- p = curr_sb->head;
- curr_sb->head += pad + len;
+ m = ipvs->sync_buff->mesg;
+ p = ipvs->sync_buff->head;
+ ipvs->sync_buff->head += pad + len;
m->size += pad + len;
/* Add ev. padding from prev. sync_conn */
while (pad--)
@@ -647,7 +633,7 @@ sloop:
}
}
- spin_unlock(&curr_sb_lock);
+ spin_unlock(&ipvs->sync_buff_lock);
control:
/* synchronize its controller if it has */
@@ -699,7 +685,8 @@ ip_vs_conn_fill_param_sync(int af, union ip_vs_sync_conn *sc,
buff[pe_name_len]=0;
p->pe = __ip_vs_pe_getbyname(buff);
if (!p->pe) {
- IP_VS_DBG(3, "BACKUP, no %s engine found/loaded\n", buff);
+ IP_VS_DBG(3, "BACKUP, no %s engine found/loaded\n",
+ buff);
return 1;
}
} else {
@@ -748,7 +735,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
* If it is not found the connection will remain unbound
* but still handled.
*/
- dest = ip_vs_find_dest(&init_net, type, daddr, dport, param->vaddr,
+ dest = ip_vs_find_dest(net, type, daddr, dport, param->vaddr,
param->vport, protocol, fwmark);
/* Set the approprite ativity flag */
@@ -1089,6 +1076,7 @@ out:
static void ip_vs_process_message(struct net *net, __u8 *buffer,
const size_t buflen)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_sync_mesg *m2 = (struct ip_vs_sync_mesg *)buffer;
__u8 *p, *msg_end;
int i, nr_conns;
@@ -1105,7 +1093,7 @@ static void ip_vs_process_message(struct net *net, __u8 *buffer,
return;
}
/* SyncID sanity check */
- if (ip_vs_backup_syncid != 0 && m2->syncid != ip_vs_backup_syncid) {
+ if (ipvs->backup_syncid != 0 && m2->syncid != ipvs->backup_syncid) {
IP_VS_DBG(7, "BACKUP, Ignoring syncid = %d\n", m2->syncid);
return;
}
@@ -1189,8 +1177,9 @@ static int set_mcast_if(struct sock *sk, char *ifname)
{
struct net_device *dev;
struct inet_sock *inet = inet_sk(sk);
+ struct net *net = sock_net(sk);
- if ((dev = __dev_get_by_name(&init_net, ifname)) == NULL)
+ if ((dev = __dev_get_by_name(net, ifname)) == NULL)
return -ENODEV;
if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
@@ -1209,30 +1198,33 @@ static int set_mcast_if(struct sock *sk, char *ifname)
* Set the maximum length of sync message according to the
* specified interface's MTU.
*/
-static int set_sync_mesg_maxlen(int sync_state)
+static int set_sync_mesg_maxlen(struct net *net, int sync_state)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct net_device *dev;
int num;
if (sync_state == IP_VS_STATE_MASTER) {
- if ((dev = __dev_get_by_name(&init_net, ip_vs_master_mcast_ifn)) == NULL)
+ dev = __dev_get_by_name(net, ipvs->master_mcast_ifn);
+ if (!dev)
return -ENODEV;
num = (dev->mtu - sizeof(struct iphdr) -
sizeof(struct udphdr) -
SYNC_MESG_HEADER_LEN - 20) / SIMPLE_CONN_SIZE;
- sync_send_mesg_maxlen = SYNC_MESG_HEADER_LEN +
+ ipvs->send_mesg_maxlen = SYNC_MESG_HEADER_LEN +
SIMPLE_CONN_SIZE * min(num, MAX_CONNS_PER_SYNCBUFF);
IP_VS_DBG(7, "setting the maximum length of sync sending "
- "message %d.\n", sync_send_mesg_maxlen);
+ "message %d.\n", ipvs->send_mesg_maxlen);
} else if (sync_state == IP_VS_STATE_BACKUP) {
- if ((dev = __dev_get_by_name(&init_net, ip_vs_backup_mcast_ifn)) == NULL)
+ dev = __dev_get_by_name(net, ipvs->backup_mcast_ifn);
+ if (!dev)
return -ENODEV;
- sync_recv_mesg_maxlen = dev->mtu -
+ ipvs->recv_mesg_maxlen = dev->mtu -
sizeof(struct iphdr) - sizeof(struct udphdr);
IP_VS_DBG(7, "setting the maximum length of sync receiving "
- "message %d.\n", sync_recv_mesg_maxlen);
+ "message %d.\n", ipvs->recv_mesg_maxlen);
}
return 0;
@@ -1247,6 +1239,7 @@ static int set_sync_mesg_maxlen(int sync_state)
static int
join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
{
+ struct net *net = sock_net(sk);
struct ip_mreqn mreq;
struct net_device *dev;
int ret;
@@ -1254,7 +1247,7 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
memset(&mreq, 0, sizeof(mreq));
memcpy(&mreq.imr_multiaddr, addr, sizeof(struct in_addr));
- if ((dev = __dev_get_by_name(&init_net, ifname)) == NULL)
+ if ((dev = __dev_get_by_name(net, ifname)) == NULL)
return -ENODEV;
if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
return -EINVAL;
@@ -1271,11 +1264,12 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
static int bind_mcastif_addr(struct socket *sock, char *ifname)
{
+ struct net *net = sock_net(sock->sk);
struct net_device *dev;
__be32 addr;
struct sockaddr_in sin;
- if ((dev = __dev_get_by_name(&init_net, ifname)) == NULL)
+ if ((dev = __dev_get_by_name(net, ifname)) == NULL)
return -ENODEV;
addr = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE);
@@ -1297,8 +1291,9 @@ static int bind_mcastif_addr(struct socket *sock, char *ifname)
/*
* Set up sending multicast socket over UDP
*/
-static struct socket * make_send_sock(void)
+static struct socket * make_send_sock(struct net *net)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct socket *sock;
int result;
@@ -1309,7 +1304,7 @@ static struct socket * make_send_sock(void)
return ERR_PTR(result);
}
- result = set_mcast_if(sock->sk, ip_vs_master_mcast_ifn);
+ result = set_mcast_if(sock->sk, ipvs->master_mcast_ifn);
if (result < 0) {
pr_err("Error setting outbound mcast interface\n");
goto error;
@@ -1318,7 +1313,7 @@ static struct socket * make_send_sock(void)
set_mcast_loop(sock->sk, 0);
set_mcast_ttl(sock->sk, 1);
- result = bind_mcastif_addr(sock, ip_vs_master_mcast_ifn);
+ result = bind_mcastif_addr(sock, ipvs->master_mcast_ifn);
if (result < 0) {
pr_err("Error binding address of the mcast interface\n");
goto error;
@@ -1342,8 +1337,9 @@ static struct socket * make_send_sock(void)
/*
* Set up receiving multicast socket over UDP
*/
-static struct socket * make_receive_sock(void)
+static struct socket * make_receive_sock(struct net *net)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
struct socket *sock;
int result;
@@ -1367,7 +1363,7 @@ static struct socket * make_receive_sock(void)
/* join the multicast group */
result = join_mcast_group(sock->sk,
(struct in_addr *) &mcast_addr.sin_addr,
- ip_vs_backup_mcast_ifn);
+ ipvs->backup_mcast_ifn);
if (result < 0) {
pr_err("Error joining to the multicast group\n");
goto error;
@@ -1438,20 +1434,21 @@ ip_vs_receive(struct socket *sock, char *buffer, const size_t buflen)
static int sync_thread_master(void *data)
{
struct ip_vs_sync_thread_data *tinfo = data;
+ struct netns_ipvs *ipvs = net_ipvs(tinfo->net);
struct ip_vs_sync_buff *sb;
pr_info("sync thread started: state = MASTER, mcast_ifn = %s, "
"syncid = %d\n",
- ip_vs_master_mcast_ifn, ip_vs_master_syncid);
+ ipvs->master_mcast_ifn, ipvs->master_syncid);
while (!kthread_should_stop()) {
- while ((sb = sb_dequeue())) {
+ while ((sb = sb_dequeue(ipvs))) {
ip_vs_send_sync_msg(tinfo->sock, sb->mesg);
ip_vs_sync_buff_release(sb);
}
- /* check if entries stay in curr_sb for 2 seconds */
- sb = get_curr_sync_buff(2 * HZ);
+ /* check if entries stay in ipvs->sync_buff for 2 seconds */
+ sb = get_curr_sync_buff(ipvs, 2 * HZ);
if (sb) {
ip_vs_send_sync_msg(tinfo->sock, sb->mesg);
ip_vs_sync_buff_release(sb);
@@ -1461,12 +1458,12 @@ static int sync_thread_master(void *data)
}
/* clean up the sync_buff queue */
- while ((sb=sb_dequeue())) {
+ while ((sb=sb_dequeue(ipvs))) {
ip_vs_sync_buff_release(sb);
}
/* clean up the current sync_buff */
- if ((sb = get_curr_sync_buff(0))) {
+ if ((sb = get_curr_sync_buff(ipvs, 0))) {
ip_vs_sync_buff_release(sb);
}
@@ -1481,11 +1478,12 @@ static int sync_thread_master(void *data)
static int sync_thread_backup(void *data)
{
struct ip_vs_sync_thread_data *tinfo = data;
+ struct netns_ipvs *ipvs = net_ipvs(tinfo->net);
int len;
pr_info("sync thread started: state = BACKUP, mcast_ifn = %s, "
"syncid = %d\n",
- ip_vs_backup_mcast_ifn, ip_vs_backup_syncid);
+ ipvs->backup_mcast_ifn, ipvs->backup_syncid);
while (!kthread_should_stop()) {
wait_event_interruptible(*sk_sleep(tinfo->sock->sk),
@@ -1495,7 +1493,7 @@ static int sync_thread_backup(void *data)
/* do we have data now? */
while (!skb_queue_empty(&(tinfo->sock->sk->sk_receive_queue))) {
len = ip_vs_receive(tinfo->sock, tinfo->buf,
- sync_recv_mesg_maxlen);
+ ipvs->recv_mesg_maxlen);
if (len <= 0) {
pr_err("receiving message error\n");
break;
@@ -1504,7 +1502,7 @@ static int sync_thread_backup(void *data)
/* disable bottom half, because it accesses the data
shared by softirq while getting/creating conns */
local_bh_disable();
- ip_vs_process_message(&init_net, tinfo->buf, len);
+ ip_vs_process_message(tinfo->net, tinfo->buf, len);
local_bh_enable();
}
}
@@ -1518,11 +1516,12 @@ static int sync_thread_backup(void *data)
}
-int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
+int start_sync_thread(struct net *net, int state, char *mcast_ifn, __u8 syncid)
{
struct ip_vs_sync_thread_data *tinfo;
struct task_struct **realtask, *task;
struct socket *sock;
+ struct netns_ipvs *ipvs = net_ipvs(net);
char *name, *buf = NULL;
int (*threadfn)(void *data);
int result = -ENOMEM;
@@ -1532,27 +1531,27 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
sizeof(struct ip_vs_sync_conn_v0));
if (state == IP_VS_STATE_MASTER) {
- if (sync_master_thread)
+ if (ipvs->master_thread)
return -EEXIST;
- strlcpy(ip_vs_master_mcast_ifn, mcast_ifn,
- sizeof(ip_vs_master_mcast_ifn));
- ip_vs_master_syncid = syncid;
- realtask = &sync_master_thread;
- name = "ipvs_syncmaster";
+ strlcpy(ipvs->master_mcast_ifn, mcast_ifn,
+ sizeof(ipvs->master_mcast_ifn));
+ ipvs->master_syncid = syncid;
+ realtask = &ipvs->master_thread;
+ name = "ipvs_master:%d";
threadfn = sync_thread_master;
- sock = make_send_sock();
+ sock = make_send_sock(net);
} else if (state == IP_VS_STATE_BACKUP) {
- if (sync_backup_thread)
+ if (ipvs->backup_thread)
return -EEXIST;
- strlcpy(ip_vs_backup_mcast_ifn, mcast_ifn,
- sizeof(ip_vs_backup_mcast_ifn));
- ip_vs_backup_syncid = syncid;
- realtask = &sync_backup_thread;
- name = "ipvs_syncbackup";
+ strlcpy(ipvs->backup_mcast_ifn, mcast_ifn,
+ sizeof(ipvs->backup_mcast_ifn));
+ ipvs->backup_syncid = syncid;
+ realtask = &ipvs->backup_thread;
+ name = "ipvs_backup:%d";
threadfn = sync_thread_backup;
- sock = make_receive_sock();
+ sock = make_receive_sock(net);
} else {
return -EINVAL;
}
@@ -1562,9 +1561,9 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
goto out;
}
- set_sync_mesg_maxlen(state);
+ set_sync_mesg_maxlen(net, state);
if (state == IP_VS_STATE_BACKUP) {
- buf = kmalloc(sync_recv_mesg_maxlen, GFP_KERNEL);
+ buf = kmalloc(ipvs->recv_mesg_maxlen, GFP_KERNEL);
if (!buf)
goto outsocket;
}
@@ -1573,10 +1572,11 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
if (!tinfo)
goto outbuf;
+ tinfo->net = net;
tinfo->sock = sock;
tinfo->buf = buf;
- task = kthread_run(threadfn, tinfo, name);
+ task = kthread_run(threadfn, tinfo, name, ipvs->inc);
if (IS_ERR(task)) {
result = PTR_ERR(task);
goto outtinfo;
@@ -1584,7 +1584,7 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
/* mark as active */
*realtask = task;
- ip_vs_sync_state |= state;
+ ipvs->sync_state |= state;
/* increase the module use count */
ip_vs_use_count_inc();
@@ -1602,16 +1602,18 @@ out:
}
-int stop_sync_thread(int state)
+int stop_sync_thread(struct net *net, int state)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
if (state == IP_VS_STATE_MASTER) {
- if (!sync_master_thread)
+ if (!ipvs->master_thread)
return -ESRCH;
pr_info("stopping master sync thread %d ...\n",
- task_pid_nr(sync_master_thread));
+ task_pid_nr(ipvs->master_thread));
/*
* The lock synchronizes with sb_queue_tail(), so that we don't
@@ -1619,21 +1621,21 @@ int stop_sync_thread(int state)
* progress of stopping the master sync daemon.
*/
- spin_lock_bh(&ip_vs_sync_lock);
- ip_vs_sync_state &= ~IP_VS_STATE_MASTER;
- spin_unlock_bh(&ip_vs_sync_lock);
- kthread_stop(sync_master_thread);
- sync_master_thread = NULL;
+ spin_lock_bh(&ipvs->sync_lock);
+ ipvs->sync_state &= ~IP_VS_STATE_MASTER;
+ spin_unlock_bh(&ipvs->sync_lock);
+ kthread_stop(ipvs->master_thread);
+ ipvs->master_thread = NULL;
} else if (state == IP_VS_STATE_BACKUP) {
- if (!sync_backup_thread)
+ if (!ipvs->backup_thread)
return -ESRCH;
pr_info("stopping backup sync thread %d ...\n",
- task_pid_nr(sync_backup_thread));
+ task_pid_nr(ipvs->backup_thread));
- ip_vs_sync_state &= ~IP_VS_STATE_BACKUP;
- kthread_stop(sync_backup_thread);
- sync_backup_thread = NULL;
+ ipvs->sync_state &= ~IP_VS_STATE_BACKUP;
+ kthread_stop(ipvs->backup_thread);
+ ipvs->backup_thread = NULL;
} else {
return -EINVAL;
}
@@ -1649,13 +1651,30 @@ int stop_sync_thread(int state)
*/
static int __net_init __ip_vs_sync_init(struct net *net)
{
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return -EPERM;
+
+ INIT_LIST_HEAD(&ipvs->sync_queue);
+ spin_lock_init(&ipvs->sync_lock);
+ spin_lock_init(&ipvs->sync_buff_lock);
+
+ ipvs->sync_mcast_addr.sin_family = AF_INET;
+ ipvs->sync_mcast_addr.sin_port = cpu_to_be16(IP_VS_SYNC_PORT);
+ ipvs->sync_mcast_addr.sin_addr.s_addr = cpu_to_be32(IP_VS_SYNC_GROUP);
return 0;
}
static void __ip_vs_sync_cleanup(struct net *net)
{
+ if (!net_eq(net, &init_net)) /* netns not enabled yet */
+ return;
+ stop_sync_thread(net, IP_VS_STATE_MASTER);
+ stop_sync_thread(net, IP_VS_STATE_BACKUP);
return;
}
+
static struct pernet_operations ipvs_sync_ops = {
.init = __ip_vs_sync_init,
.exit = __ip_vs_sync_cleanup,
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 18/22] IPVS: netns, defense work timer.
From: hans @ 2010-12-30 10:51 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
This patch makes defense work timer per name-space,
A net ptr had to be added to the ipvs struct,
since it's needed by defense_work_handler.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 2 +-
include/net/netns/ip_vs.h | 3 +++
net/netfilter/ipvs/ip_vs_conn.c | 5 +++--
net/netfilter/ipvs/ip_vs_core.c | 1 +
net/netfilter/ipvs/ip_vs_ctl.c | 20 +++++++++-----------
5 files changed, 17 insertions(+), 14 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 99828f0..918382a 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -855,7 +855,7 @@ extern const char * ip_vs_state_name(__u16 proto, int state);
extern void ip_vs_tcp_conn_listen(struct net *net, struct ip_vs_conn *cp);
extern int ip_vs_check_template(struct ip_vs_conn *ct);
-extern void ip_vs_random_dropentry(void);
+extern void ip_vs_random_dropentry(struct net *net);
extern int ip_vs_conn_init(void);
extern void ip_vs_conn_cleanup(void);
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 2e9a1b3..1c8c3c4 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -72,6 +72,7 @@ struct netns_ipvs {
int num_services; /* no of virtual services */
/* 1/rate drop and drop-entry variables */
+ struct delayed_work defense_work; /* Work handler */
int drop_rate;
int drop_counter;
atomic_t dropentry;
@@ -131,6 +132,8 @@ struct netns_ipvs {
/* multicast interface name */
char master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
char backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
+ /* net name space ptr */
+ struct net *net; /* Needed by timer routines */
};
#endif /* IP_VS_H_ */
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 5ba205a..28bdaf7 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1138,7 +1138,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp)
}
/* Called from keventd and must protect itself from softirqs */
-void ip_vs_random_dropentry(void)
+void ip_vs_random_dropentry(struct net *net)
{
int idx;
struct ip_vs_conn *cp;
@@ -1158,7 +1158,8 @@ void ip_vs_random_dropentry(void)
if (cp->flags & IP_VS_CONN_F_TEMPLATE)
/* connection template */
continue;
-
+ if (!ip_vs_conn_net_eq(cp, net))
+ continue;
if (cp->protocol == IPPROTO_TCP) {
switch(cp->state) {
case IP_VS_TCP_S_SYN_RECV:
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index a25e51d..1bba3c7 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1870,6 +1870,7 @@ static int __net_init __ip_vs_init(struct net *net)
pr_err("%s(): no memory.\n", __func__);
return -ENOMEM;
}
+ ipvs->net = net;
/* Incarnation counters used for creating unique names */
ipvs->inc = atomic_read(&ipvs_netns_cnt);
atomic_inc(&ipvs_netns_cnt);
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 778c5b3..f786f61 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -218,18 +218,16 @@ static void update_defense_level(struct netns_ipvs *ipvs)
* Timer for checking the defense
*/
#define DEFENSE_TIMER_PERIOD 1*HZ
-static void defense_work_handler(struct work_struct *work);
-static DECLARE_DELAYED_WORK(defense_work, defense_work_handler);
static void defense_work_handler(struct work_struct *work)
{
- struct netns_ipvs *ipvs = net_ipvs(&init_net);
+ struct netns_ipvs *ipvs =
+ container_of(work, struct netns_ipvs, defense_work.work);
update_defense_level(ipvs);
if (atomic_read(&ipvs->dropentry))
- ip_vs_random_dropentry();
-
- schedule_delayed_work(&defense_work, DEFENSE_TIMER_PERIOD);
+ ip_vs_random_dropentry(ipvs->net);
+ schedule_delayed_work(&ipvs->defense_work, DEFENSE_TIMER_PERIOD);
}
int
@@ -3539,6 +3537,9 @@ int __net_init __ip_vs_control_init(struct net *net)
goto err_reg;
ip_vs_new_estimator(net, ipvs->ctl_stats);
ipvs->sysctl_tbl = tbl;
+ /* Schedule defense work */
+ INIT_DELAYED_WORK(&ipvs->defense_work, defense_work_handler);
+ schedule_delayed_work(&ipvs->defense_work, DEFENSE_TIMER_PERIOD);
return 0;
err_reg:
@@ -3563,6 +3564,8 @@ static void __net_exit __ip_vs_control_cleanup(struct net *net)
proc_net_remove(net, "ip_vs_stats_percpu");
proc_net_remove(net, "ip_vs_stats");
proc_net_remove(net, "ip_vs");
+ cancel_rearming_delayed_work(&ipvs->defense_work);
+ cancel_work_sync(&ipvs->defense_work.work);
free_percpu(ipvs->ustats);
kfree(ipvs->ctl_stats);
}
@@ -3606,9 +3609,6 @@ int __init ip_vs_control_init(void)
goto err_net;
}
- /* Hook the defense timer */
- schedule_delayed_work(&defense_work, DEFENSE_TIMER_PERIOD);
^ permalink raw reply related
* [*v3 PATCH 19/22] IPVS: netns, trash handling
From: hans @ 2010-12-30 10:51 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
trash list per namspace,
and reordering of some params in dst struct.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
include/net/ip_vs.h | 4 ++--
include/net/netns/ip_vs.h | 3 +++
net/netfilter/ipvs/ip_vs_ctl.c | 23 ++++++++++-------------
3 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 918382a..2741285 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -640,8 +640,8 @@ struct ip_vs_dest {
struct list_head d_list; /* for table with all the dests */
u16 af; /* address family */
- union nf_inet_addr addr; /* IP address of the server */
__be16 port; /* port number of the server */
+ union nf_inet_addr addr; /* IP address of the server */
volatile unsigned flags; /* dest status flags */
atomic_t conn_flags; /* flags to copy to conn */
atomic_t weight; /* server weight */
@@ -668,8 +668,8 @@ struct ip_vs_dest {
/* for virtual service */
struct ip_vs_service *svc; /* service it belongs to */
__u16 protocol; /* which protocol (TCP/UDP) */
- union nf_inet_addr vaddr; /* virtual IP address */
__be16 vport; /* virtual port number */
+ union nf_inet_addr vaddr; /* virtual IP address */
__u32 vfwmark; /* firewall mark of service */
};
diff --git a/include/net/netns/ip_vs.h b/include/net/netns/ip_vs.h
index 1c8c3c4..20cabd8 100644
--- a/include/net/netns/ip_vs.h
+++ b/include/net/netns/ip_vs.h
@@ -83,6 +83,9 @@ struct netns_ipvs {
rwlock_t rs_lock; /* real services table */
/* semaphore for IPVS sockopts. And, [gs]etsockopt may sleep. */
struct lock_class_key ctl_key; /* ctl_mutex debuging */
+ /* Trash for destinations */
+ struct list_head dest_trash;
+
/* sys-ctl struct */
struct ctl_table_header *sysctl_hdr;
struct ctl_table *sysctl_tbl;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index f786f61..fc6d17e 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -256,11 +256,6 @@ static struct list_head ip_vs_svc_table[IP_VS_SVC_TAB_SIZE];
static struct list_head ip_vs_svc_fwm_table[IP_VS_SVC_TAB_SIZE];
/*
- * Trash for destinations
- */
-static LIST_HEAD(ip_vs_dest_trash);
-
-/*
* FTP & NULL virtual service counters
*/
static atomic_t ip_vs_ftpsvc_counter = ATOMIC_INIT(0);
@@ -649,11 +644,12 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
__be16 dport)
{
struct ip_vs_dest *dest, *nxt;
+ struct netns_ipvs *ipvs = net_ipvs(svc->net);
/*
* Find the destination in trash
*/
- list_for_each_entry_safe(dest, nxt, &ip_vs_dest_trash, n_list) {
+ list_for_each_entry_safe(dest, nxt, &ipvs->dest_trash, n_list) {
IP_VS_DBG_BUF(3, "Destination %u/%s:%u still in trash, "
"dest->refcnt=%d\n",
dest->vfwmark,
@@ -701,11 +697,12 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
* are expired, and the refcnt of each destination in the trash must
* be 1, so we simply release them here.
*/
-static void ip_vs_trash_cleanup(void)
+static void ip_vs_trash_cleanup(struct net *net)
{
struct ip_vs_dest *dest, *nxt;
+ struct netns_ipvs *ipvs = net_ipvs(net);
- list_for_each_entry_safe(dest, nxt, &ip_vs_dest_trash, n_list) {
+ list_for_each_entry_safe(dest, nxt, &ipvs->dest_trash, n_list) {
list_del(&dest->n_list);
ip_vs_dst_reset(dest);
__ip_vs_unbind_svc(dest);
@@ -830,7 +827,6 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
pr_err("%s(): no memory.\n", __func__);
return -ENOMEM;
}
-
dest->af = svc->af;
dest->protocol = svc->protocol;
dest->vaddr = svc->addr;
@@ -1008,7 +1004,7 @@ static void __ip_vs_del_dest(struct net *net, struct ip_vs_dest *dest)
IP_VS_DBG_ADDR(dest->af, &dest->addr),
ntohs(dest->port),
atomic_read(&dest->refcnt));
- list_add(&dest->n_list, &ip_vs_dest_trash);
+ list_add(&dest->n_list, &ipvs->dest_trash);
atomic_inc(&dest->refcnt);
}
}
@@ -3477,6 +3473,7 @@ int __net_init __ip_vs_control_init(struct net *net)
for (idx = 0; idx < IP_VS_RTAB_SIZE; idx++) {
INIT_LIST_HEAD(&ipvs->rs_table[idx]);
}
+ INIT_LIST_HEAD(&ipvs->dest_trash);
/* procfs stats */
ipvs->ctl_stats = kzalloc(sizeof(struct ip_vs_stats), GFP_KERNEL);
@@ -3559,13 +3556,14 @@ static void __net_exit __ip_vs_control_cleanup(struct net *net)
if (!net_eq(net, &init_net)) /* netns not enabled yet */
return;
+ ip_vs_trash_cleanup(net);
ip_vs_kill_estimator(net, ipvs->ctl_stats);
+ cancel_rearming_delayed_work(&ipvs->defense_work);
+ cancel_work_sync(&ipvs->defense_work.work);
unregister_net_sysctl_table(ipvs->sysctl_hdr);
proc_net_remove(net, "ip_vs_stats_percpu");
proc_net_remove(net, "ip_vs_stats");
proc_net_remove(net, "ip_vs");
- cancel_rearming_delayed_work(&ipvs->defense_work);
- cancel_work_sync(&ipvs->defense_work.work);
free_percpu(ipvs->ustats);
kfree(ipvs->ctl_stats);
}
@@ -3622,7 +3620,6 @@ err:
void ip_vs_control_cleanup(void)
{
EnterFunction(2);
- ip_vs_trash_cleanup();
unregister_pernet_subsys(&ipvs_control_ops);
ip_vs_genl_unregister();
nf_unregister_sockopt(&ip_vs_sockopts);
--
1.7.2.3
^ permalink raw reply related
* [*v3 PATCH 21/22] IPVS: netns, misc init_net removal in core.
From: hans @ 2010-12-30 10:51 UTC (permalink / raw)
To: horms, ja, daniel.lezcano, wensong, lvs-devel, netdev,
netfilter-devel
Cc: Hans Schillstrom
In-Reply-To: <1293706266-27152-1-git-send-email-hans@schillstrom.com>
From: Hans Schillstrom <hans.schillstrom@ericsson.com>
init_net removed in __ip_vs_addr_is_local_v6, and got net as param.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
---
net/netfilter/ipvs/ip_vs_core.c | 6 ++++--
net/netfilter/ipvs/ip_vs_ctl.c | 9 +++++----
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 1bba3c7..508c1ec 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -485,6 +485,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
struct ip_vs_proto_data *pd)
{
+ struct net *net;
struct netns_ipvs *ipvs;
__be16 _ports[2], *pptr;
struct ip_vs_iphdr iph;
@@ -497,18 +498,19 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
ip_vs_service_put(svc);
return NF_DROP;
}
+ net = skb_net(skb);
#ifdef CONFIG_IP_VS_IPV6
if (svc->af == AF_INET6)
unicast = ipv6_addr_type(&iph.daddr.in6) & IPV6_ADDR_UNICAST;
else
#endif
- unicast = (inet_addr_type(&init_net, iph.daddr.ip) == RTN_UNICAST);
+ unicast = (inet_addr_type(net, iph.daddr.ip) == RTN_UNICAST);
/* if it is fwmark-based service, the cache_bypass sysctl is up
and the destination is a non-local unicast, then create
a cache_bypass connection entry */
- ipvs = net_ipvs(skb_net(skb));
+ ipvs = net_ipvs(net);
if (ipvs->sysctl_cache_bypass && svc->fwmark && unicast) {
int ret, cs;
struct ip_vs_conn *cp;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 0742a9a..6fb19f2 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -71,7 +71,8 @@ int ip_vs_get_debug_level(void)
#ifdef CONFIG_IP_VS_IPV6
/* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */
-static int __ip_vs_addr_is_local_v6(const struct in6_addr *addr)
+static int __ip_vs_addr_is_local_v6(struct net *net,
+ const struct in6_addr *addr)
{
struct rt6_info *rt;
struct flowi fl = {
@@ -82,7 +83,7 @@ static int __ip_vs_addr_is_local_v6(const struct in6_addr *addr)
.saddr = { .s6_addr32 = {0, 0, 0, 0} }, } },
};
- rt = (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl);
+ rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl);
if (rt && rt->rt6i_dev && (rt->rt6i_dev->flags & IFF_LOOPBACK))
return 1;
@@ -807,12 +808,12 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
atype = ipv6_addr_type(&udest->addr.in6);
if ((!(atype & IPV6_ADDR_UNICAST) ||
atype & IPV6_ADDR_LINKLOCAL) &&
- !__ip_vs_addr_is_local_v6(&udest->addr.in6))
+ !__ip_vs_addr_is_local_v6(svc->net, &udest->addr.in6))
return -EINVAL;
} else
#endif
{
- atype = inet_addr_type(&init_net, udest->addr.ip);
+ atype = inet_addr_type(svc->net, udest->addr.ip);
if (atype != RTN_LOCAL && atype != RTN_UNICAST)
return -EINVAL;
}
--
1.7.2.3
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