From 37e5a2439b43bb90655e17f00c9db5759909a712 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 17 Jun 2009 07:30:39 +0000 Subject: [PATCH] sky2: add GRO support Add support for generic receive offload. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/sky2.c | 29 +++++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-) diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 4f2afc7..d2112e6 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) -- 1.8.2.3