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unix_diag: Fixup RQLEN extension report

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While it's not too late fix the recently added RQLEN diag extension
to report rqlen and wqlen in the same way as TCP does.

I.e. for listening sockets the ack backlog length (which is the input
queue length for socket) in rqlen and the max ack backlog length in
wqlen, and what the CINQ/OUTQ ioctls do for established.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2011-12-30 00:54:39 +00:00 committed by David S. Miller
parent 885ee74d5d
commit c9da99e647
2 changed files with 17 additions and 1 deletions
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5
include/linux/unix_diag.h
View File

@ -46,4 +46,9 @@ struct unix_diag_vfs {
__u32 udiag_vfs_dev;
};
struct unix_diag_rqlen {
__u32 udiag_rqueue;
__u32 udiag_wqueue;
};
#endif

13
net/unix/diag.c
View File

@ -101,7 +101,18 @@ static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb)
static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb)
{
RTA_PUT_U32(nlskb, UNIX_DIAG_RQLEN, sk->sk_receive_queue.qlen);
struct unix_diag_rqlen *rql;
rql = UNIX_DIAG_PUT(nlskb, UNIX_DIAG_RQLEN, sizeof(*rql));
if (sk->sk_state == TCP_LISTEN) {
rql->udiag_rqueue = sk->sk_receive_queue.qlen;
rql->udiag_wqueue = sk->sk_max_ack_backlog;
} else {
rql->udiag_rqueue = (__u32)unix_inq_len(sk);
rql->udiag_wqueue = (__u32)unix_outq_len(sk);
}
return 0;
rtattr_failure: