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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-09-21 00:13:12 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-09-21 00:13:12 +0000
commit42b2ad0d3be427b1915a523c87555bcf4b507c01 (patch)
tree875af113ce6776ab26abac13049be4224a2d0ddf /target/linux
parent9097df315e43807a092dcd0c2adcbce454673e75 (diff)
cns3xxx: add a small optimization for rx offload
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33500 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/cns3xxx/patches-3.3/420-ethernet_optimize_rx_offload.patch27
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.3/420-ethernet_optimize_rx_offload.patch b/target/linux/cns3xxx/patches-3.3/420-ethernet_optimize_rx_offload.patch
new file mode 100644
index 000000000..67929ef89
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.3/420-ethernet_optimize_rx_offload.patch
@@ -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;
+ }