cxgb4vf: Fix extraction of cpl_rx_pkt from the response queue descriptor

Vipul Pandya · davem330 · commit 8b9a4d56866e · 2013-02-08T17:55:48.000-05:00
This was preventing GRO and RxCheckSum offload to happen.

Signed-off-by: Jay Hernandez &lt;jay@chelsio.com&gt;
Signed-off-by: Vipul Pandya &lt;vipul@chelsio.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -1501,7 +1501,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp,
 		       const struct pkt_gl *gl)
 {
 	struct sk_buff *skb;
-	const struct cpl_rx_pkt *pkt = (void *)&rsp[1];
+	const struct cpl_rx_pkt *pkt = (void *)rsp;
 	bool csum_ok = pkt->csum_calc && !pkt->err_vec;
 	struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq);
 

Original file line number	Diff line number	Diff line change
`@@ -1501,7 +1501,7 @@ int t4vf_ethrx_handler(struct sge_rspq rspq, const __be64 rsp,`
`1501`	`1501`	`const struct pkt_gl *gl)`
`1502`	`1502`	`{`
`1503`	`1503`	`struct sk_buff *skb;`
`1504`		`- const struct cpl_rx_pkt pkt = (void )&rsp[1];`
	`1504`	`+ const struct cpl_rx_pkt pkt = (void )rsp;`
`1505`	`1505`	`bool csum_ok = pkt->csum_calc && !pkt->err_vec;`
`1506`	`1506`	`struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq);`
`1507`	`1507`