Commit 7156d194 authored by Yousuk Seung's avatar Yousuk Seung Committed by David S. Miller

tcp: add snd_ssthresh stat in SCM_TIMESTAMPING_OPT_STATS

This patch adds TCP_NLA_SND_SSTHRESH stat into SCM_TIMESTAMPING_OPT_STATS
that reports tcp_sock.snd_ssthresh.
Signed-off-by: default avatarYousuk Seung <ysseung@google.com>
Signed-off-by: default avatarNeal Cardwell <ncardwell@google.com>
Signed-off-by: default avatarPriyaranjan Jha <priyarjha@google.com>
Signed-off-by: default avatarSoheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: default avatarYuchung Cheng <ycheng@google.com>
Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5dce8379
...@@ -243,6 +243,7 @@ enum { ...@@ -243,6 +243,7 @@ enum {
TCP_NLA_DELIVERY_RATE_APP_LMT, /* delivery rate application limited ? */ TCP_NLA_DELIVERY_RATE_APP_LMT, /* delivery rate application limited ? */
TCP_NLA_SNDQ_SIZE, /* Data (bytes) pending in send queue */ TCP_NLA_SNDQ_SIZE, /* Data (bytes) pending in send queue */
TCP_NLA_CA_STATE, /* ca_state of socket */ TCP_NLA_CA_STATE, /* ca_state of socket */
TCP_NLA_SND_SSTHRESH, /* Slow start size threshold */
}; };
......
...@@ -3031,7 +3031,7 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk) ...@@ -3031,7 +3031,7 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk)
u32 rate; u32 rate;
stats = alloc_skb(7 * nla_total_size_64bit(sizeof(u64)) + stats = alloc_skb(7 * nla_total_size_64bit(sizeof(u64)) +
4 * nla_total_size(sizeof(u32)) + 5 * nla_total_size(sizeof(u32)) +
3 * nla_total_size(sizeof(u8)), GFP_ATOMIC); 3 * nla_total_size(sizeof(u8)), GFP_ATOMIC);
if (!stats) if (!stats)
return NULL; return NULL;
...@@ -3061,6 +3061,7 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk) ...@@ -3061,6 +3061,7 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk)
nla_put_u8(stats, TCP_NLA_RECUR_RETRANS, inet_csk(sk)->icsk_retransmits); nla_put_u8(stats, TCP_NLA_RECUR_RETRANS, inet_csk(sk)->icsk_retransmits);
nla_put_u8(stats, TCP_NLA_DELIVERY_RATE_APP_LMT, !!tp->rate_app_limited); nla_put_u8(stats, TCP_NLA_DELIVERY_RATE_APP_LMT, !!tp->rate_app_limited);
nla_put_u32(stats, TCP_NLA_SND_SSTHRESH, tp->snd_ssthresh);
nla_put_u32(stats, TCP_NLA_SNDQ_SIZE, tp->write_seq - tp->snd_una); 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_u8(stats, TCP_NLA_CA_STATE, inet_csk(sk)->icsk_ca_state);
......
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