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sock_diag: add SK_MEMINFO_BACKLOG

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Adding socket backlog len in INET_DIAG_SKMEMINFO is really useful to
diagnose various TCP problems.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-06-04 03:50:35 +00:00 committed by David S. Miller
parent 5d0ba55b64
commit d594e987c6
2 changed files with 2 additions and 0 deletions
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1
include/linux/sock_diag.h
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@ -18,6 +18,7 @@ enum {
SK_MEMINFO_FWD_ALLOC,
SK_MEMINFO_WMEM_QUEUED,
SK_MEMINFO_OPTMEM,
SK_MEMINFO_BACKLOG,
SK_MEMINFO_VARS,
};

1
net/core/sock_diag.c
View file

@ -46,6 +46,7 @@ int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attrtype)
mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc;
mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued;
mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc);
mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len;
return 0;