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cxgb4vf: Check if rx checksum offload is enabled, while reading hardware calculated checksum

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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai
2014-05-07 18:01:04 +05:30
committed by David S. Miller
parent cca2822d37
commit c3136f5540
1 changed files with 4 additions and 3 deletions
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7
drivers/net/ethernet/chelsio/cxgb4vf/sge.c
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@@ -1510,7 +1510,8 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
{ {
struct sk_buff *skb; struct sk_buff *skb;
const struct cpl_rx_pkt *pkt = (void *)rsp; const struct cpl_rx_pkt *pkt = (void *)rsp;
bool csum_ok = pkt->csum_calc && !pkt->err_vec; bool csum_ok = pkt->csum_calc && !pkt->err_vec &&
(rspq->netdev->features & NETIF_F_RXCSUM);
struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq);
/* /*
@@ -1538,8 +1539,8 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
skb_record_rx_queue(skb, rspq->idx); skb_record_rx_queue(skb, rspq->idx);
rxq->stats.pkts++; rxq->stats.pkts++;
if (csum_ok && (rspq->netdev->features & NETIF_F_RXCSUM) && if (csum_ok && !pkt->err_vec &&
!pkt->err_vec && (be32_to_cpu(pkt->l2info) & (RXF_UDP|RXF_TCP))) { (be32_to_cpu(pkt->l2info) & (RXF_UDP|RXF_TCP))) {
if (!pkt->ip_frag) if (!pkt->ip_frag)
skb->ip_summed = CHECKSUM_UNNECESSARY; skb->ip_summed = CHECKSUM_UNNECESSARY;
else { else {