[dpdk-dev] [PATCH 4/8] net/vmxnet3: fix Rx offload information in multiseg packets

[Didier Pallard]

In case we are working on a multisegment buffer, most bit are set
in last segment of the buffer. Correctly look at those bits in eop part
of the rx_offload function.

Fixes: 2fdd835f992c ("vmxnet3: support jumbo frames")
Signed-off-by: Didier Pallard <didier.pallard at 6wind.com>
---
 drivers/net/vmxnet3/vmxnet3_rxtx.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index 27f17ef0a..1acd6c19e 100644
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -656,12 +656,19 @@ vmxnet3_rx_offload(struct vmxnet3_hw *hw, const Vmxnet3_RxCompDesc *rcd,
 
 	/* Offloads set in sop */
 	if (sop) {
+	} else { /* Offloads set in eop */
 		/* Check for RSS */
 		if (rcd->rssType != VMXNET3_RCD_RSS_TYPE_NONE) {
 			rxm->ol_flags |= PKT_RX_RSS_HASH;
 			rxm->hash.rss = rcd->rssHash;
 		}
 
+		/* Check for hardware stripped VLAN tag */
+		if (rcd->ts) {
+			rxm->ol_flags |= (PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED);
+			rxm->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
+		}
+
 		/* Check packet type, checksum errors. Only IPv4 for now. */
 		if (rcd->v4) {
 			rxm->packet_type = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
@@ -676,12 +683,6 @@ vmxnet3_rx_offload(struct vmxnet3_hw *hw, const Vmxnet3_RxCompDesc *rcd,
 		} else {
 			rxm->packet_type = RTE_PTYPE_UNKNOWN;
 		}
-	} else { /* Offloads set in eop */
-		/* Check for hardware stripped VLAN tag */
-		if (rcd->ts) {
-			rxm->ol_flags |= (PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED);
-			rxm->vlan_tci = rte_le_to_cpu_16((uint16_t)rcd->tci);
-		}
 	}
 }
 
-- 
2.11.0