From 534a2109fb0c31786c98845aad18d069fb874e6c Mon Sep 17 00:00:00 2001 From: Yuchung Cheng Date: Fri, 25 Sep 2020 10:04:31 -0700 Subject: tcp: consolidate tcp_mark_skb_lost and tcp_skb_mark_lost tcp_skb_mark_lost is used by RFC6675-SACK and can easily be replaced with the new tcp_mark_skb_lost handler. Signed-off-by: Yuchung Cheng Signed-off-by: Neal Cardwell Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 63417c400b53..f7b3e37d2198 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1043,17 +1043,6 @@ void tcp_mark_skb_lost(struct sock *sk, struct sk_buff *skb) } } -static void tcp_skb_mark_lost(struct tcp_sock *tp, struct sk_buff *skb) -{ - if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_LOST|TCPCB_SACKED_ACKED))) { - tcp_verify_retransmit_hint(tp, skb); - - tp->lost_out += tcp_skb_pcount(skb); - tcp_sum_lost(tp, skb); - TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; - } -} - /* Updates the delivered and delivered_ce counts */ static void tcp_count_delivered(struct tcp_sock *tp, u32 delivered, bool ece_ack) @@ -2308,7 +2297,8 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) if (cnt > packets) break; - tcp_skb_mark_lost(tp, skb); + if (!(TCP_SKB_CB(skb)->sacked & TCPCB_LOST)) + tcp_mark_skb_lost(sk, skb); if (mark_head) break; -- cgit v1.2.3