From mboxrd@z Thu Jan 1 00:00:00 1970 From: Craig Gallek Subject: [PATCH iproute2] ss: add support for segs_in and segs_out Date: Tue, 26 May 2015 14:54:41 -0400 Message-ID: <1432666481-1582-1-git-send-email-kraig@google.com> Cc: edumazet@google.com, mleitner@redhat.com, netdev@vger.kernel.org, Craig Gallek To: Stephen Hemminger Return-path: Received: from mail-yh0-f47.google.com ([209.85.213.47]:34686 "EHLO mail-yh0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751106AbbEZSyv (ORCPT ); Tue, 26 May 2015 14:54:51 -0400 Received: by yhom41 with SMTP id m41so33394415yho.1 for ; Tue, 26 May 2015 11:54:51 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Two new tcp_info fields: tcpi_segs_in and tcpi_segs_out. (2efd055c53c06b7e89c167c98069bab9afce7e59) ~: ss -ti src :22 cubic wscale:7,6 rto:201 rtt:0.244/0.012 ato:40 mss:1418 cwnd:21 bytes_acked:80605 bytes_received:20491 segs_out:414 segs_in:600 send 976.3Mbps lastsnd:23 lastrcv:23 lastack:22 pacing_rate 1952.7Mbps rcv_rtt:98 rcv_space:28960 Signed-off-by: Craig Gallek --- include/linux/tcp.h | 4 +++- misc/ss.c | 8 ++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 8b17cff..1e9b4a6 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -192,8 +192,10 @@ struct tcp_info { __u64 tcpi_pacing_rate; __u64 tcpi_max_pacing_rate; - __u64 tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */ + __u64 tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */ __u64 tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */ + __u32 tcpi_segs_out; /* RFC4898 tcpEStatsPerfSegsOut */ + __u32 tcpi_segs_in; /* RFC4898 tcpEStatsPerfSegsIn */ }; /* for TCP_MD5SIG socket option */ diff --git a/misc/ss.c b/misc/ss.c index dba0901..3e01f88 100644 --- a/misc/ss.c +++ b/misc/ss.c @@ -769,6 +769,8 @@ struct tcpstat double pacing_rate_max; unsigned long long bytes_acked; unsigned long long bytes_received; + unsigned int segs_out; + unsigned int segs_in; unsigned int unacked; unsigned int retrans; unsigned int retrans_total; @@ -1695,6 +1697,10 @@ static void tcp_stats_print(struct tcpstat *s) printf(" bytes_acked:%llu", s->bytes_acked); if (s->bytes_received) printf(" bytes_received:%llu", s->bytes_received); + if (s->segs_out) + printf(" segs_out:%u", s->segs_out); + if (s->segs_in) + printf(" segs_in:%u", s->segs_in); if (s->dctcp && s->dctcp->enabled) { struct dctcpstat *dctcp = s->dctcp; @@ -1990,6 +1996,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, } s.bytes_acked = info->tcpi_bytes_acked; s.bytes_received = info->tcpi_bytes_received; + s.segs_out = info->tcpi_segs_out; + s.segs_in = info->tcpi_segs_in; tcp_stats_print(&s); if (s.dctcp) free(s.dctcp); -- 2.2.0.rc0.207.ga3a616c