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authorRick Jones <rick.jones2@hp.com>2007-09-18 13:26:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:51:35 -0700
commit5ee3afba88f5a79d0bff07ddd87af45919259f91 (patch)
treeb0117be47ea4f84abf56996f39792362c15909d7
parent768f3591e2b1cc309fd6f10d6579b216026d7817 (diff)
downloadlinux-linaro-stable-5ee3afba88f5a79d0bff07ddd87af45919259f91.tar.gz
[TCP]: Return useful listenq info in tcp_info and INET_DIAG_INFO.
Return some useful information such as the maximum listen backlog and the current listen backlog in the tcp_info structure and INET_DIAG_INFO. Signed-off-by: Rick Jones <rick.jones2@hp.com> Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp.c9
-rw-r--r--net/ipv4/tcp_diag.c8
2 files changed, 12 insertions, 5 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 18c64c74f6d5..4f322003835d 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2031,8 +2031,13 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info)
info->tcpi_snd_mss = tp->mss_cache;
info->tcpi_rcv_mss = icsk->icsk_ack.rcv_mss;
- info->tcpi_unacked = tp->packets_out;
- info->tcpi_sacked = tp->sacked_out;
+ if (sk->sk_state == TCP_LISTEN) {
+ info->tcpi_unacked = sk->sk_ack_backlog;
+ info->tcpi_sacked = sk->sk_max_ack_backlog;
+ } else {
+ info->tcpi_unacked = tp->packets_out;
+ info->tcpi_sacked = tp->sacked_out;
+ }
info->tcpi_lost = tp->lost_out;
info->tcpi_retrans = tp->retrans_out;
info->tcpi_fackets = tp->fackets_out;
diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c
index 57c5f0b10e6c..3904d2158a92 100644
--- a/net/ipv4/tcp_diag.c
+++ b/net/ipv4/tcp_diag.c
@@ -25,11 +25,13 @@ static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
const struct tcp_sock *tp = tcp_sk(sk);
struct tcp_info *info = _info;
- if (sk->sk_state == TCP_LISTEN)
+ if (sk->sk_state == TCP_LISTEN) {
r->idiag_rqueue = sk->sk_ack_backlog;
- else
+ r->idiag_wqueue = sk->sk_max_ack_backlog;
+ } else {
r->idiag_rqueue = tp->rcv_nxt - tp->copied_seq;
- r->idiag_wqueue = tp->write_seq - tp->snd_una;
+ r->idiag_wqueue = tp->write_seq - tp->snd_una;
+ }
if (info != NULL)
tcp_get_info(sk, info);
}