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authorEric Dumazet <edumazet@google.com>2015-04-29 00:28:18 +0200
committerDavid S. Miller <davem@davemloft.net>2015-04-29 23:10:37 +0200
commitbdd1f9edacb5f5835d1e6276571bbbe5b88ded48 (patch)
treebee07eb61b32918398a04cc171327b45cf14408d /MAINTAINERS
parenttcp: add tcpi_bytes_acked to tcp_info (diff)
downloadlinux-bdd1f9edacb5f5835d1e6276571bbbe5b88ded48.tar.xz
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tcp: add tcpi_bytes_received to tcp_info
This patch tracks total number of payload bytes received on a TCP socket. This is the sum of all changes done to tp->rcv_nxt RFC4898 named this : tcpEStatsAppHCThruOctetsReceived This is a 64bit field, and can be fetched both from TCP_INFO getsockopt() if one has a handle on a TCP socket, or from inet_diag netlink facility (iproute2/ss patch will follow) Note that tp->bytes_received was placed near tp->rcv_nxt for best data locality and minimal performance impact. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Matt Mathis <mattmathis@google.com> Cc: Eric Salo <salo@google.com> Cc: Martin Lau <kafai@fb.com> Cc: Chris Rapier <rapier@psc.edu> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'MAINTAINERS')
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