diff options
Diffstat (limited to 'target/linux/generic/backport-5.4')
| -rw-r--r-- | target/linux/generic/backport-5.4/701-v5.5-net-core-use-listified-Rx-for-GRO_NORMAL-in-napi_gro.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/target/linux/generic/backport-5.4/701-v5.5-net-core-use-listified-Rx-for-GRO_NORMAL-in-napi_gro.patch b/target/linux/generic/backport-5.4/701-v5.5-net-core-use-listified-Rx-for-GRO_NORMAL-in-napi_gro.patch deleted file mode 100644 index 7be25f5338..0000000000 --- a/target/linux/generic/backport-5.4/701-v5.5-net-core-use-listified-Rx-for-GRO_NORMAL-in-napi_gro.patch +++ /dev/null @@ -1,51 +0,0 @@ -From: Alexander Lobakin <alobakin@dlink.ru> -Date: Mon, 14 Oct 2019 11:00:33 +0300 -Subject: [PATCH] net: core: use listified Rx for GRO_NORMAL in - napi_gro_receive() - -Commit 323ebb61e32b4 ("net: use listified RX for handling GRO_NORMAL -skbs") made use of listified skb processing for the users of -napi_gro_frags(). -The same technique can be used in a way more common napi_gro_receive() -to speed up non-merged (GRO_NORMAL) skbs for a wide range of drivers -including gro_cells and mac80211 users. -This slightly changes the return value in cases where skb is being -dropped by the core stack, but it seems to have no impact on related -drivers' functionality. -gro_normal_batch is left untouched as it's very individual for every -single system configuration and might be tuned in manual order to -achieve an optimal performance. - -Signed-off-by: Alexander Lobakin <alobakin@dlink.ru> -Acked-by: Edward Cree <ecree@solarflare.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - ---- a/net/core/dev.c -+++ b/net/core/dev.c -@@ -5601,12 +5601,13 @@ static void napi_skb_free_stolen_head(st - kmem_cache_free(skbuff_head_cache, skb); - } - --static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) -+static gro_result_t napi_skb_finish(struct napi_struct *napi, -+ struct sk_buff *skb, -+ gro_result_t ret) - { - switch (ret) { - case GRO_NORMAL: -- if (netif_receive_skb_internal(skb)) -- ret = GRO_DROP; -+ gro_normal_one(napi, skb); - break; - - case GRO_DROP: -@@ -5638,7 +5639,7 @@ gro_result_t napi_gro_receive(struct nap - - skb_gro_reset_offset(skb); - -- ret = napi_skb_finish(dev_gro_receive(napi, skb), skb); -+ ret = napi_skb_finish(napi, skb, dev_gro_receive(napi, skb)); - trace_napi_gro_receive_exit(ret); - - return ret; |