From 5c596ed8673836109d5f63a9eaa35d1196b96882 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Sun, 5 Mar 2017 20:51:23 +0000 Subject: [PATCH] add SCM_TIMESTAMPING_OPT_STATS and related TCP_ enums from linux v4.10 for tcp timestamp control messages, new in linux commit 1c885808e45601b2b6f68b30ac1d999e10b6f606 and export time measurements via tcp_info, added in linux commit efd90174167530c67a54273fd5d8369c87f9bd32 --- include/netinet/tcp.h | 10 ++++++++++ include/sys/socket.h | 1 + 2 files changed, 11 insertions(+) diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h index 1339fcc3..935107a5 100644 --- a/include/netinet/tcp.h +++ b/include/netinet/tcp.h @@ -44,6 +44,13 @@ #define TCP_LISTEN 10 #define TCP_CLOSING 11 +enum { + TCP_NLA_PAD, + TCP_NLA_BUSY, + TCP_NLA_RWND_LIMITED, + TCP_NLA_SNDBUF_LIMITED, +}; + #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #define TCPOPT_EOL 0 #define TCPOPT_NOP 1 @@ -190,6 +197,9 @@ struct tcp_info { uint32_t tcpi_data_segs_in; uint32_t tcpi_data_segs_out; uint64_t tcpi_delivery_rate; + uint64_t tcpi_busy_time; + uint64_t tcpi_rwnd_limited; + uint64_t tcpi_sndbuf_limited; }; #define TCP_MD5SIG_MAXKEYLEN 80 diff --git a/include/sys/socket.h b/include/sys/socket.h index 8664779a..acb6ee0b 100644 --- a/include/sys/socket.h +++ b/include/sys/socket.h @@ -224,6 +224,7 @@ struct linger { #define SO_ATTACH_REUSEPORT_CBPF 51 #define SO_ATTACH_REUSEPORT_EBPF 52 #define SO_CNX_ADVICE 53 +#define SCM_TIMESTAMPING_OPT_STATS 54 #ifndef SOL_SOCKET #define SOL_SOCKET 1 -- 2.25.1