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authorEric Dumazet <edumazet@google.com>2017-04-25 10:15:36 -0700
committerDavid S. Miller <davem@davemloft.net>2017-04-26 14:44:38 -0400
commit1317a9d69f5fa0f5417237772f55a4aac49f7921 (patch)
tree798e9bb5976cbe479e84fb3b2410e07b6626b462 /net/ipv4
parentefab8f85826afbbfe4b0ca9208e006aabbd2df3a (diff)
downloadlinux-1317a9d69f5fa0f5417237772f55a4aac49f7921.tar.bz2
tcp: do not pass timestamp to tcp_fastretrans_alert()
Not used anymore now tp->tcp_mstamp holds the information. This is needed to remove sack_state.ack_time in a following patch. 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>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_input.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 99b0d65de169..68094aa8cfb2 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2787,8 +2787,7 @@ static void tcp_rack_identify_loss(struct sock *sk, int *ack_flag)
* tcp_xmit_retransmit_queue().
*/
static void tcp_fastretrans_alert(struct sock *sk, const int acked,
- bool is_dupack, int *ack_flag, int *rexmit,
- const struct skb_mstamp *ack_time)
+ bool is_dupack, int *ack_flag, int *rexmit)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
@@ -3646,8 +3645,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
if (tcp_ack_is_dubious(sk, flag)) {
is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP));
- tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit,
- &sack_state.ack_time);
+ tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit);
}
if (tp->tlp_high_seq)
tcp_process_tlp_ack(sk, ack, flag);
@@ -3668,8 +3666,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
no_queue:
/* If data was DSACKed, see if we can undo a cwnd reduction. */
if (flag & FLAG_DSACKING_ACK)
- tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit,
- &sack_state.ack_time);
+ tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit);
/* If this ack opens up a zero window, clear backoff. It was
* being used to time the probes, and is probably far higher than
* it needs to be for normal retransmission.
@@ -3693,8 +3690,7 @@ old_ack:
skb_mstamp_get(&sack_state.ack_time);
flag |= tcp_sacktag_write_queue(sk, skb, prior_snd_una,
&sack_state);
- tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit,
- &sack_state.ack_time);
+ tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit);
tcp_xmit_recovery(sk, rexmit);
}