Re: [PATCH] AF_UNIX: Implement SO_TIMESTAMP and SO_TIMETAMPNS onUnix sockets

[Eric Dumazet]

Le lundi 04 octobre 2010 Ã 19:48 +0100, Alban Crequy a Ãcrit :
> Userspace applications can already request to receive timestamps with:
> setsockopt(sockfd, SOL_SOCKET, SO_TIMESTAMP, ...)
> 
> Although setsockopt() returns zero (success), timestamps are not added to the
> ancillary data. This patch fixes that on SOCK_DGRAM and SOCK_SEQPACKET Unix
> sockets.
> 
> Signed-off-by: Alban Crequy <alban.crequy@xxxxxxxxxxxxxxx>

Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>

Note: tstamp is sampled at the time of skb queueing, _after_ eventual
sleep in sock_alloc_send_skb() or memcpy_fromiovec()



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