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Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0bc9e46a5369..478909f4694d 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -739,8 +739,10 @@ static void tcp_tsq_handler(struct sock *sk)
struct tcp_sock *tp = tcp_sk(sk);
if (tp->lost_out > tp->retrans_out &&
- tp->snd_cwnd > tcp_packets_in_flight(tp))
+ tp->snd_cwnd > tcp_packets_in_flight(tp)) {
+ tcp_mstamp_refresh(tp);
tcp_xmit_retransmit_queue(sk);
+ }
tcp_write_xmit(sk, tcp_current_mss(sk), tp->nonagle,
0, GFP_ATOMIC);
@@ -2060,6 +2062,7 @@ static int tcp_mtu_probe(struct sock *sk)
nskb->ip_summed = skb->ip_summed;
tcp_insert_write_queue_before(nskb, skb, sk);
+ tcp_highest_sack_replace(sk, skb, nskb);
len = 0;
tcp_for_write_queue_from_safe(skb, next, sk) {
@@ -2237,6 +2240,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
sent_pkts = 0;
+ tcp_mstamp_refresh(tp);
if (!push_one) {
/* Do MTU probing. */
result = tcp_mtu_probe(sk);
@@ -2248,7 +2252,6 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
}
max_segs = tcp_tso_segs(sk, mss_now);
- tcp_mstamp_refresh(tp);
while ((skb = tcp_send_head(sk))) {
unsigned int limit;
@@ -2663,7 +2666,7 @@ static bool tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
else if (!skb_shift(skb, next_skb, next_skb_size))
return false;
}
- tcp_highest_sack_combine(sk, next_skb, skb);
+ tcp_highest_sack_replace(sk, next_skb, skb);
tcp_unlink_write_queue(next_skb, sk);
@@ -2841,8 +2844,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs)
nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC);
err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) :
-ENOBUFS;
- if (!err)
+ if (!err) {
skb->skb_mstamp = tp->tcp_mstamp;
+ tcp_rate_skb_sent(sk, skb);
+ }
} else {
err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC);
}
@@ -3175,13 +3180,8 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
th->source = htons(ireq->ir_num);
th->dest = ireq->ir_rmt_port;
skb->mark = ireq->ir_mark;
- /* Setting of flags are superfluous here for callers (and ECE is
- * not even correctly set)
- */
- tcp_init_nondata_skb(skb, tcp_rsk(req)->snt_isn,
- TCPHDR_SYN | TCPHDR_ACK);
-
- th->seq = htonl(TCP_SKB_CB(skb)->seq);
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ th->seq = htonl(tcp_rsk(req)->snt_isn);
/* XXX data is queued and acked as is. No buffer/window check */
th->ack_seq = htonl(tcp_rsk(req)->rcv_nxt);