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[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>
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@ -466,7 +466,8 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
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if (skb->len != tcp_header_size)
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tcp_event_data_sent(tp, skb, sk);
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TCP_INC_STATS(TCP_MIB_OUTSEGS);
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if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq)
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TCP_INC_STATS(TCP_MIB_OUTSEGS);
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err = icsk->icsk_af_ops->queue_xmit(skb, 0);
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if (likely(err <= 0))
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@ -2157,10 +2158,9 @@ int tcp_connect(struct sock *sk)
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skb_shinfo(buff)->gso_size = 0;
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skb_shinfo(buff)->gso_type = 0;
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buff->csum = 0;
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tp->snd_nxt = tp->write_seq;
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TCP_SKB_CB(buff)->seq = tp->write_seq++;
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TCP_SKB_CB(buff)->end_seq = tp->write_seq;
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tp->snd_nxt = tp->write_seq;
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tp->pushed_seq = tp->write_seq;
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/* Send it off. */
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TCP_SKB_CB(buff)->when = tcp_time_stamp;
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@ -2170,6 +2170,12 @@ int tcp_connect(struct sock *sk)
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sk_charge_skb(sk, buff);
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tp->packets_out += tcp_skb_pcount(buff);
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tcp_transmit_skb(sk, buff, 1, GFP_KERNEL);
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/* We change tp->snd_nxt after the tcp_transmit_skb() call
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* in order to make this packet get counted in tcpOutSegs.
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*/
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tp->snd_nxt = tp->write_seq;
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tp->pushed_seq = tp->write_seq;
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TCP_INC_STATS(TCP_MIB_ACTIVEOPENS);
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/* Timer for repeating the SYN until an answer. */
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