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authorStephen Hemminger <shemminger@vyatta.com>2009-06-17 07:30:39 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-17 18:49:47 -0700
commit37e5a2439b43bb90655e17f00c9db5759909a712 (patch)
tree386ec6f2f8ed5475362166cfcd565eb03cc0ef11
parentbd1c6869f14f88aa82587ff51303e72dc7eec30e (diff)
downloadlinux-2.6.34-ux500-37e5a2439b43bb90655e17f00c9db5759909a712.tar.gz
sky2: add GRO support
Add support for generic receive offload. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/sky2.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 4f2afc770f8..d2112e6258e 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2373,6 +2373,26 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
}
}
+static inline void sky2_skb_rx(const struct sky2_port *sky2,
+ u32 status, struct sk_buff *skb)
+{
+#ifdef SKY2_VLAN_TAG_USED
+ u16 vlan_tag = be16_to_cpu(sky2->rx_tag);
+ if (sky2->vlgrp && (status & GMR_FS_VLAN)) {
+ if (skb->ip_summed == CHECKSUM_NONE)
+ vlan_hwaccel_receive_skb(skb, sky2->vlgrp, vlan_tag);
+ else
+ vlan_gro_receive(&sky2->hw->napi, sky2->vlgrp,
+ vlan_tag, skb);
+ return;
+ }
+#endif
+ if (skb->ip_summed == CHECKSUM_NONE)
+ netif_receive_skb(skb);
+ else
+ napi_gro_receive(&sky2->hw->napi, skb);
+}
+
static inline void sky2_rx_done(struct sky2_hw *hw, unsigned port,
unsigned packets, unsigned bytes)
{
@@ -2438,14 +2458,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
skb->protocol = eth_type_trans(skb, dev);
-#ifdef SKY2_VLAN_TAG_USED
- if (sky2->vlgrp && (status & GMR_FS_VLAN)) {
- vlan_hwaccel_receive_skb(skb,
- sky2->vlgrp,
- be16_to_cpu(sky2->rx_tag));
- } else
-#endif
- netif_receive_skb(skb);
+ sky2_skb_rx(sky2, status, skb);
/* Stop after net poll weight */
if (++work_done >= to_do)