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| author | Wei Yongjun <yjwei@nanjing-fnst.com> | 2006-08-07 21:04:15 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-08-07 21:04:15 -0700 |
| commit | bd37a088596ccdb2b2dd3299e25e333bca7a9a34 (patch) | |
| tree | 733ea30682425011df988e9b49f350ea4af3233e /net | |
| parent | 69d8c28c9578ce78b3dc1b9be36926d962282898 (diff) | |
| download | linux-3.10-bd37a088596ccdb2b2dd3299e25e333bca7a9a34.tar.gz linux-3.10-bd37a088596ccdb2b2dd3299e25e333bca7a9a34.tar.bz2 linux-3.10-bd37a088596ccdb2b2dd3299e25e333bca7a9a34.zip | |
[TCP]: SNMPv2 tcpOutSegs counter error
Do not count retransmitted segments.
Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_output.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 5c08ea20a18..507adefbc17 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -466,7 +466,8 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, if (skb->len != tcp_header_size) tcp_event_data_sent(tp, skb, sk); - TCP_INC_STATS(TCP_MIB_OUTSEGS); + if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq) + TCP_INC_STATS(TCP_MIB_OUTSEGS); err = icsk->icsk_af_ops->queue_xmit(skb, 0); if (likely(err <= 0)) @@ -2157,10 +2158,9 @@ int tcp_connect(struct sock *sk) skb_shinfo(buff)->gso_size = 0; skb_shinfo(buff)->gso_type = 0; buff->csum = 0; + tp->snd_nxt = tp->write_seq; TCP_SKB_CB(buff)->seq = tp->write_seq++; TCP_SKB_CB(buff)->end_seq = tp->write_seq; - tp->snd_nxt = tp->write_seq; - tp->pushed_seq = tp->write_seq; /* Send it off. */ TCP_SKB_CB(buff)->when = tcp_time_stamp; @@ -2170,6 +2170,12 @@ int tcp_connect(struct sock *sk) sk_charge_skb(sk, buff); tp->packets_out += tcp_skb_pcount(buff); tcp_transmit_skb(sk, buff, 1, GFP_KERNEL); + + /* We change tp->snd_nxt after the tcp_transmit_skb() call + * in order to make this packet get counted in tcpOutSegs. + */ + tp->snd_nxt = tp->write_seq; + tp->pushed_seq = tp->write_seq; TCP_INC_STATS(TCP_MIB_ACTIVEOPENS); /* Timer for repeating the SYN until an answer. */ |