diff options
| author |   Wei Wang <weiwan@google.com> | 2018-07-31 17:46:21 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-08-01 09:56:10 -0700 |
| commit | ba113c3aa79a7f941ac162d05a3620bdc985c58d (patch) | |
| tree | 6ac064d13a2920d19c52998bb91e138916fccae3 /net/ipv4/tcp.c | |
| parent | tcp: add a helper to calculate size of opt_stats (diff) | |
| download | linux-dev-ba113c3aa79a7f941ac162d05a3620bdc985c58d.tar.xz linux-dev-ba113c3aa79a7f941ac162d05a3620bdc985c58d.zip | |
tcp: add data bytes sent stats
Introduce a new TCP stat to record the number of bytes sent
(RFC4898 tcpEStatsPerfHCDataOctetsOut) and expose it in both tcp_info
(TCP_INFO) and opt_stats (SOF_TIMESTAMPING_OPT_STATS).
Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 27bbe6a792b7..873cb9968ff5 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2594,6 +2594,7 @@ int tcp_disconnect(struct sock *sk, int flags) sk->sk_rx_dst = NULL; tcp_saved_syn_free(tp); tp->compressed_ack = 0; + tp->bytes_sent = 0; /* Clean up fastopen related fields */ tcp_free_fastopen_req(tp); @@ -3201,6 +3202,7 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) info->tcpi_delivery_rate = rate64; info->tcpi_delivered = tp->delivered; info->tcpi_delivered_ce = tp->delivered_ce; + info->tcpi_bytes_sent = tp->bytes_sent; unlock_sock_fast(sk, slow); } EXPORT_SYMBOL_GPL(tcp_get_info); @@ -3225,6 +3227,7 @@ static size_t tcp_opt_stats_get_size(void) nla_total_size(sizeof(u32)) + /* TCP_NLA_SND_SSTHRESH */ nla_total_size(sizeof(u32)) + /* TCP_NLA_DELIVERED */ nla_total_size(sizeof(u32)) + /* TCP_NLA_DELIVERED_CE */ + nla_total_size_64bit(sizeof(u64)) + /* TCP_NLA_BYTES_SENT */ 0; } @@ -3272,6 +3275,9 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk) nla_put_u32(stats, TCP_NLA_SNDQ_SIZE, tp->write_seq - tp->snd_una); nla_put_u8(stats, TCP_NLA_CA_STATE, inet_csk(sk)->icsk_ca_state); + nla_put_u64_64bit(stats, TCP_NLA_BYTES_SENT, tp->bytes_sent, + TCP_NLA_PAD); + return stats; } |