From: Stephen Hemminger <shemminger@osdl.org>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: [PATCH 7/8] netpoll queue cleanup
Date: Thu, 26 Oct 2006 15:46:55 -0700 [thread overview]
Message-ID: <20061026225646.542975736@osdl.org> (raw)
In-Reply-To: 20061026225535.443288276@osdl.org
[-- Attachment #1: netpoll-queue-clean.patch --]
[-- Type: text/plain, Size: 2817 bytes --]
The beast had a long and not very happy history. At one
point, a friend (netdump) had asked that he open up a little.
Well, the friend was long gone now, and the beast had
this dangling piece hanging (netpoll_queue).
It wasn't hard to stitch the netpoll_queue back in
where it belonged and make everything tidy.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
---
drivers/net/netconsole.c | 1 -
include/linux/netpoll.h | 4 ++--
net/core/netpoll.c | 23 +++--------------------
3 files changed, 5 insertions(+), 23 deletions(-)
--- linux-2.6.orig/drivers/net/netconsole.c
+++ linux-2.6/drivers/net/netconsole.c
@@ -60,7 +60,6 @@ static struct netpoll np = {
.local_port = 6665,
.remote_port = 6666,
.remote_mac = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
- .drop = netpoll_queue,
};
static int configured = 0;
--- linux-2.6.orig/include/linux/netpoll.h
+++ linux-2.6/include/linux/netpoll.h
@@ -18,7 +18,7 @@ struct netpoll {
struct net_device *dev;
char dev_name[16], *name;
void (*rx_hook)(struct netpoll *, int, char *, int);
- void (*drop)(struct sk_buff *skb);
+
u32 local_ip, remote_ip;
u16 local_port, remote_port;
unsigned char local_mac[6], remote_mac[6];
@@ -44,7 +44,7 @@ int netpoll_trap(void);
void netpoll_set_trap(int trap);
void netpoll_cleanup(struct netpoll *np);
int __netpoll_rx(struct sk_buff *skb);
-void netpoll_queue(struct sk_buff *skb);
+
#ifdef CONFIG_NETPOLL
static inline int netpoll_rx(struct sk_buff *skb)
--- linux-2.6.orig/net/core/netpoll.c
+++ linux-2.6/net/core/netpoll.c
@@ -77,19 +77,6 @@ static void queue_process(void *p)
}
}
-void netpoll_queue(struct sk_buff *skb)
-{
- struct net_device *dev = skb->dev;
- struct netpoll_info *npinfo = dev->npinfo;
-
- if (!npinfo)
- kfree_skb(skb);
- else {
- skb_queue_tail(&npinfo->txq, skb);
- schedule_work(&npinfo->tx_work);
- }
-}
-
static int checksum_udp(struct sk_buff *skb, struct udphdr *uh,
unsigned short ulen, u32 saddr, u32 daddr)
{
@@ -253,7 +240,7 @@ static void netpoll_send_skb(struct netp
}
/* don't get messages out of order, and no recursion */
- if ( !(np->drop == netpoll_queue && skb_queue_len(&npinfo->txq))
+ if ( skb_queue_len(&npinfo->txq) == 0
&& npinfo->poll_owner != smp_processor_id()
&& netif_tx_trylock(dev)) {
@@ -274,11 +261,8 @@ static void netpoll_send_skb(struct netp
}
if (status != NETDEV_TX_OK) {
- /* requeue for later */
- if (np->drop)
- np->drop(skb);
- else
- __kfree_skb(skb);
+ skb_queue_tail(&npinfo->txq, skb);
+ schedule_work(&npinfo->tx_work);
}
}
@@ -800,4 +784,3 @@ EXPORT_SYMBOL(netpoll_setup);
EXPORT_SYMBOL(netpoll_cleanup);
EXPORT_SYMBOL(netpoll_send_udp);
EXPORT_SYMBOL(netpoll_poll);
-EXPORT_SYMBOL(netpoll_queue);
--
Stephen Hemminger <shemminger@osdl.org>
next prev parent reply other threads:[~2006-10-26 23:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-26 22:46 [PATCH 0/8] netpoll: A Halloween horror mystery Stephen Hemminger
2006-10-26 22:46 ` [PATCH 1/8] netpoll: skb private pool management Stephen Hemminger
2006-10-27 0:12 ` David Miller
2006-10-27 1:04 ` Stephen Hemminger
2006-10-27 1:08 ` David Miller
2006-10-27 2:29 ` Stephen Hemminger
2006-11-14 1:00 ` David Miller
2006-11-14 21:55 ` netpoll patches Stephen Hemminger
2006-11-15 4:43 ` David Miller
2006-10-26 22:46 ` [PATCH 2/8] netpoll info leak Stephen Hemminger
2006-10-26 22:46 ` [PATCH 3/8] netpoll per device txq Stephen Hemminger
2006-10-26 22:46 ` [PATCH 4/8] netpoll setup error handling Stephen Hemminger
2006-10-26 22:46 ` [PATCH 5/8] netpoll deferred transmit path Stephen Hemminger
2006-10-26 22:46 ` [PATCH 6/8] netpoll retry cleanup Stephen Hemminger
2006-10-26 22:46 ` Stephen Hemminger [this message]
2006-10-26 22:46 ` [PATCH 8/8] netpoll header cleanup Stephen Hemminger
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