From: Daniel Borkmann <dborkman@redhat.com>
To: Patrick McHardy <kaber@trash.net>
Cc: davem@davemloft.net, netfilter-devel@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH 12/14] netlink: add documentation for memory mapped I/O
Date: Wed, 17 Apr 2013 19:51:09 +0200 [thread overview]
Message-ID: <516EE10D.2080608@redhat.com> (raw)
In-Reply-To: <1366217229-22705-13-git-send-email-kaber@trash.net>
On 04/17/2013 06:47 PM, Patrick McHardy wrote:
> Signed-off-by: Patrick McHardy <kaber@trash.net>
> ---
[...]
> +Ring frames
> +------------
> +
> +Each frames contain a frame header, consisting of a synchronization word and some
> +meta-data, and the message itself.
> +
> +Frame: [ header message ]
> +
> +The frame header is defined as follows:
> +
> +struct nl_mmap_hdr {
> + unsigned int nm_status;
> + unsigned int nm_len;
> + __u32 nm_group;
> + /* credentials */
> + __u32 nm_pid;
> + __u32 nm_uid;
> + __u32 nm_gid;
> +};
Hm, just wondering, maybe it could be a safer path to make 'nm_status'
and 'nm_len' also of fixed width as the rest of nl_mmap_hdr, and as in
PF_PACKET's tpacket2_hdr and tpacket3_hdr ?
next prev parent reply other threads:[~2013-04-17 17:51 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-17 16:46 [PATCH 00/14]: netlink: memory mapped I/O Patrick McHardy
2013-04-17 16:46 ` [PATCH 01/14] netlink: add symbolic value for congested state Patrick McHardy
2013-04-19 13:24 ` Sergei Shtylyov
2013-04-17 16:46 ` [PATCH 02/14] netlink: rename ssk to sk in struct netlink_skb_params Patrick McHardy
2013-04-17 16:46 ` [PATCH 03/14] net: add function to allocate sk_buff head without data area Patrick McHardy
2013-04-17 16:46 ` [PATCH 04/14] netlink: don't orphan skb in netlink_trim() Patrick McHardy
2013-04-17 16:47 ` [PATCH 05/14] netlink: add netlink_skb_set_owner_r() Patrick McHardy
2013-04-17 16:47 ` [PATCH 06/14] netlink: mmaped netlink: ring setup Patrick McHardy
2013-04-17 16:47 ` [PATCH 07/14] netlink: add mmap'ed netlink helper functions Patrick McHardy
2013-04-17 16:47 ` [PATCH 08/14] netlink: implement memory mapped sendmsg() Patrick McHardy
2013-04-17 22:57 ` Ben Hutchings
2013-04-18 10:31 ` Patrick McHardy
2013-04-18 16:26 ` Ben Hutchings
2013-04-19 11:04 ` Patrick McHardy
2013-04-17 16:47 ` [PATCH 09/14] netlink: implement memory mapped recvmsg() Patrick McHardy
2013-04-17 16:47 ` [PATCH 10/14] netlink: add flow control for memory mapped I/O Patrick McHardy
2013-04-17 16:47 ` [PATCH 11/14] netlink: add RX/TX-ring support to netlink diag Patrick McHardy
2013-04-23 18:28 ` Christoph Paasch
2013-04-23 19:23 ` David Miller
2013-04-23 19:43 ` Christoph Paasch
2013-04-17 16:47 ` [PATCH 12/14] netlink: add documentation for memory mapped I/O Patrick McHardy
2013-04-17 17:51 ` Daniel Borkmann [this message]
2013-04-17 18:08 ` Patrick McHardy
2013-04-17 18:56 ` Daniel Borkmann
2013-04-22 18:28 ` Andi Kleen
2013-04-17 16:47 ` [PATCH 13/14] netfilter: rename netlink related "pid" variables to "portid" Patrick McHardy
2013-04-17 16:47 ` [PATCH 14/14] nfnetlink: add support for memory mapped netlink Patrick McHardy
[not found] ` <CAED+v=bCkEa8gOO9pu62hmj_H9WXz4+OBiCeyxBUO10L9EdDkA@mail.gmail.com>
2013-04-24 14:44 ` Nishit Shah
2013-04-24 15:15 ` Florian Westphal
2013-04-17 19:40 ` [PATCH 00/14]: netlink: memory mapped I/O Florian Westphal
2013-04-18 10:27 ` Patrick McHardy
2013-04-18 11:01 ` Florian Westphal
2013-04-18 11:11 ` Patrick McHardy
2013-04-18 14:57 ` Eric Dumazet
2013-04-19 19:51 ` David Miller
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