netdev - Re: [net-next-2.6 PATCH v4 2/3] TCPCT part 1b: sysctl_tcp_cookie_size, socket option TCP_COOKIE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 02 Nov 2009 05:45:22 -0500
From:	William Allen Simpson <william.allen.simpson@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [net-next-2.6 PATCH v4 2/3] TCPCT part 1b: sysctl_tcp_cookie_size,
 socket option TCP_COOKIE_TRANSACTIONS, functions

Eric Dumazet wrote:
> William Allen Simpson a écrit :
>> These functions will also be used in subsequent patches that implement
>> additional features.
>>
> 
> +#define TCP_EXTEND_TIMESTAMP	(1 << 4)	/* Initiate 64-bit timestamps */
> 
> What is this for ?
> 
Reserving a bit in the sockopt for a future feature (described in the
aforementioned end2end-interest email messages).

Certainly, reserving bits seems to be common elsewhere in Linux code.  I'm
trying to coordinate this with the *BSD developers, too, so it helps to keep
API documentation synchronized.  Is that a problem?
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html