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authorYuchung Cheng <ycheng@google.com>2020-09-25 10:04:29 -0700
committerDavid S. Miller <davem@davemloft.net>2020-09-25 17:17:14 -0700
commitfd2146741c98569c8b4dc41b8ccae597150b122c (patch)
tree9f6d6031172a0cf5f6bb6d0a68acfc2007a8ca76
parent179ac35f2f78ec54f14b6f3134b593403fd4c467 (diff)
tcp: move tcp_mark_skb_lost
A pure refactor to move tcp_mark_skb_lost to tcp_input.c to prepare for the later loss marking consolidation. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp_input.c14
-rw-r--r--net/ipv4/tcp_recovery.c14
2 files changed, 14 insertions, 14 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index f9f4321d18b3..1cf4fcf8f41b 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1016,6 +1016,20 @@ static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb)
tp->retransmit_skb_hint = skb;
}
+void tcp_mark_skb_lost(struct sock *sk, struct sk_buff *skb)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ tcp_skb_mark_lost_uncond_verify(tp, skb);
+ if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS) {
+ /* Account for retransmits that are lost again */
+ TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS;
+ tp->retrans_out -= tcp_skb_pcount(skb);
+ NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPLOSTRETRANSMIT,
+ tcp_skb_pcount(skb));
+ }
+}
+
/* Sum the number of packets on the wire we have marked as lost.
* There are two cases we care about here:
* a) Packet hasn't been marked lost (nor retransmitted),
diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c
index 26a42289a870..f65a3ddd0d58 100644
--- a/net/ipv4/tcp_recovery.c
+++ b/net/ipv4/tcp_recovery.c
@@ -2,20 +2,6 @@
#include <linux/tcp.h>
#include <net/tcp.h>
-void tcp_mark_skb_lost(struct sock *sk, struct sk_buff *skb)
-{
- struct tcp_sock *tp = tcp_sk(sk);
-
- tcp_skb_mark_lost_uncond_verify(tp, skb);
- if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS) {
- /* Account for retransmits that are lost again */
- TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS;
- tp->retrans_out -= tcp_skb_pcount(skb);
- NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPLOSTRETRANSMIT,
- tcp_skb_pcount(skb));
- }
-}
-
static bool tcp_rack_sent_after(u64 t1, u64 t2, u32 seq1, u32 seq2)
{
return t1 > t2 || (t1 == t2 && after(seq1, seq2));