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cxgb3: fix GRO checksum check

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Verify the HW checksum state for frames handed to GRO processing.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Divy Le Ray 2010-02-08 22:37:24 -08:00 committed by David S. Miller
parent 2fc1b5dd99
commit 2d171886b1
1 changed files with 12 additions and 8 deletions
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20
drivers/net/cxgb3/sge.c
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@ -2079,6 +2079,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
struct sge_fl *fl, int len, int complete)
{
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
struct port_info *pi = netdev_priv(qs->netdev);
struct sk_buff *skb = NULL;
struct cpl_rx_pkt *cpl;
struct skb_frag_struct *rx_frag;
@ -2116,11 +2117,18 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
if (!nr_frags) {
offset = 2 + sizeof(struct cpl_rx_pkt);
qs->lro_va = sd->pg_chunk.va + 2;
}
len -= offset;
cpl = qs->lro_va = sd->pg_chunk.va + 2;
prefetch(qs->lro_va);
if ((pi->rx_offload & T3_RX_CSUM) &&
cpl->csum_valid && cpl->csum == htons(0xffff)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
qs->port_stats[SGE_PSTAT_RX_CSUM_GOOD]++;
} else
skb->ip_summed = CHECKSUM_NONE;
} else
cpl = qs->lro_va;
len -= offset;
rx_frag += nr_frags;
rx_frag->page = sd->pg_chunk.page;
@ -2136,12 +2144,8 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
return;
skb_record_rx_queue(skb, qs - &adap->sge.qs[0]);
skb->ip_summed = CHECKSUM_UNNECESSARY;
cpl = qs->lro_va;
if (unlikely(cpl->vlan_valid)) {
struct net_device *dev = qs->netdev;
struct port_info *pi = netdev_priv(dev);
struct vlan_group *grp = pi->vlan_grp;
if (likely(grp != NULL)) {