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authorDavid S. Miller <davem@davemloft.net>2010-02-09 11:44:44 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-09 11:44:44 -0800
commitb1109bf085c8dd69537b7876ea83f914dd1fe46a (patch)
tree086bd9891a8c92284ea148c93f2242e6c7c02bd2 /drivers/net/cxgb3/sge.c
parent889b8f964f2f226b7cd5a0a515109e3d8d9d1613 (diff)
parent44bfce5c3ec91baf8ffcd075c66711740f29a949 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/net/cxgb3/sge.c')
-rw-r--r--drivers/net/cxgb3/sge.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 4cf9b7962afa..048205903741 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -2080,6 +2080,7 @@ 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;
@@ -2117,11 +2118,18 @@ 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;
@@ -2137,12 +2145,8 @@ 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)) {