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Commit 37e5a243 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

sky2: add GRO support



Add support for generic receive offload.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bd1c6869
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+21 −8
Original line number Diff line number Diff line
@@ -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)