aboutsummaryrefslogtreecommitdiffstats
path: root/include/net/sock.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 314c47a8f5d1..577d91fb5626 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -368,6 +368,7 @@ struct sock {
atomic_t sk_drops;
int sk_rcvlowat;
struct sk_buff_head sk_error_queue;
+ struct sk_buff *sk_rx_skb_cache;
struct sk_buff_head sk_receive_queue;
/*
* The backlog queue is special, it is always used with
@@ -2438,6 +2439,15 @@ static inline void skb_setup_tx_timestamp(struct sk_buff *skb, __u16 tsflags)
static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb)
{
__skb_unlink(skb, &sk->sk_receive_queue);
+ if (
+#ifdef CONFIG_RPS
+ !static_branch_unlikely(&rps_needed) &&
+#endif
+ !sk->sk_rx_skb_cache) {
+ sk->sk_rx_skb_cache = skb;
+ skb_orphan(skb);
+ return;
+ }
__kfree_skb(skb);
}