netdev - Re: [net-next-2.6 PATCH v6 5/7 RFC] TCPCT part 1e: implement socket option TCP_COOKIE

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Date:	Fri, 13 Nov 2009 15:11:00 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	William Allen Simpson <william.allen.simpson@...il.com>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [net-next-2.6 PATCH v6 5/7 RFC] TCPCT part 1e: implement socket option TCP_COOKIE_TRANSACTIONS

William Allen Simpson <william.allen.simpson@...il.com> writes:

> This is a straightforward re-implementation of an earlier (year-old)
> patch that no longer applies cleanly, with permission of the original
> author (Adam Langley):
>
>    http://thread.gmane.org/gmane.linux.network/102586
>
> The principle difference is using a TCP option to carry the cookie nonce,
> instead of a user configured offset in the data.
>
> Allocations have been rearranged to avoid requiring GFP_ATOMIC.
>
> Requires:
>   net: TCP_MSS_DEFAULT, TCP_MSS_DESIRED
>   TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONS
>   TCPCT part 1d: define TCP cookie option, extend existing struct's

BTW if you add new socket options you should always submit a manpage
patch to linux-man@...r.kernel.org too

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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