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cns3xxx: add a small optimization for rx offload 

SVN-Revision: 33500
lede-17.01
Felix Fietkau 2012-09-21 00:13:12 +00:00
parent a1c016fe16
commit 15159604d9
1 changed files with 27 additions and 0 deletions
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27
target/linux/cns3xxx/patches-3.3/420-ethernet_optimize_rx_offload.patch Normal file
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@ -0,0 +1,27 @@
--- a/drivers/net/ethernet/cavium/cns3xxx_eth.c
+++ b/drivers/net/ethernet/cavium/cns3xxx_eth.c
@@ -653,17 +653,17 @@ static int eth_poll(struct napi_struct *
case 6:
case 13:
case 14:
- if (desc->l4f)
+ if (!desc->l4f) {
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ napi_gro_receive(napi, skb);
break;
-
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- break;
+ }
+ /* fall through */
default:
- break;
+ netif_receive_skb(skb);
+ break;
}
- napi_gro_receive(napi, skb);
-
sw->frag_first = NULL;
sw->frag_last = NULL;
}