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sky2: add GRO support

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Add support for generic receive offload.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2009-06-17 07:30:39 +00:00 committed by David S. Miller
parent bd1c6869f1
commit 37e5a2439b
1 changed files with 21 additions and 8 deletions
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29
drivers/net/sky2.c
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@ -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)