tcp: remove ack_time from struct tcp_sacktag_state
It is no longer needed, everything uses tp->tcp_mstamp instead. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1131,7 +1131,6 @@ struct tcp_sacktag_state {
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*/
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struct skb_mstamp first_sackt;
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struct skb_mstamp last_sackt;
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struct skb_mstamp ack_time; /* Timestamp when the S/ACK was received */
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struct rate_sample *rate;
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int flag;
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};
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@ -3572,8 +3571,6 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
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if (after(ack, tp->snd_nxt))
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goto invalid_ack;
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skb_mstamp_get(&sack_state.ack_time);
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if (icsk->icsk_pending == ICSK_TIME_LOSS_PROBE)
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tcp_rearm_rto(sk);
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@ -3684,7 +3681,6 @@ old_ack:
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* If data was DSACKed, see if we can undo a cwnd reduction.
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*/
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if (TCP_SKB_CB(skb)->sacked) {
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skb_mstamp_get(&sack_state.ack_time);
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flag |= tcp_sacktag_write_queue(sk, skb, prior_snd_una,
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&sack_state);
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tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit);
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