aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--net/core/dev.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index ce01847793c0..a8280154c42a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3882,10 +3882,23 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
if (same_flow)
goto ok;
- if (NAPI_GRO_CB(skb)->flush || napi->gro_count >= MAX_GRO_SKBS)
+ if (NAPI_GRO_CB(skb)->flush)
goto normal;
- napi->gro_count++;
+ if (unlikely(napi->gro_count >= MAX_GRO_SKBS)) {
+ struct sk_buff *nskb = napi->gro_list;
+
+ /* locate the end of the list to select the 'oldest' flow */
+ while (nskb->next) {
+ pp = &nskb->next;
+ nskb = *pp;
+ }
+ *pp = NULL;
+ nskb->next = NULL;
+ napi_gro_complete(nskb);
+ } else {
+ napi->gro_count++;
+ }
NAPI_GRO_CB(skb)->count = 1;
NAPI_GRO_CB(skb)->age = jiffies;
skb_shinfo(skb)->gso_size = skb_gro_len(skb);