net/enic: add ethernet VLAN packet type

Enic is capable of recognizing packets to be delivered to the
app with single VLAN tags. Advertise this with the ptype
RTE_PTYPE_L2_ETHER_VLAN and set the ptype for VLAN packets.

Signed-off-by: John Daley <johndale@cisco.com>

diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
index 4d24bbd..a9a8484 100644 (file)
--- a/drivers/net/enic/enic_ethdev.c
+++ b/drivers/net/enic/enic_ethdev.c
@@ -487,6 +487,8 @@ static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 {
        static const uint32_t ptypes[] = {
+               RTE_PTYPE_L2_ETHER,
+               RTE_PTYPE_L2_ETHER_VLAN,
                RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
                RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
                RTE_PTYPE_L4_TCP,

diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
index bfcd991..f762a26 100644 (file)
--- a/drivers/net/enic/enic_rxtx.c
+++ b/drivers/net/enic/enic_rxtx.c
@@ -149,30 +149,18 @@ enic_cq_rx_flags_to_pkt_type(struct cq_desc *cqd)
        uint8_t cqrd_flags = cqrd->flags;
        static const uint32_t cq_type_table[128] __rte_cache_aligned = {
                [0x00] = RTE_PTYPE_UNKNOWN,
-               [0x20] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_NONFRAG,
-               [0x22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_UDP,
-               [0x24] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_TCP,
-               [0x60] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_FRAG,
-               [0x62] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_UDP,
-               [0x64] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_TCP,
-               [0x10] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_NONFRAG,
-               [0x12] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_UDP,
-               [0x14] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_TCP,
-               [0x50] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_FRAG,
-               [0x52] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_UDP,
-               [0x54] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN
-                         | RTE_PTYPE_L4_TCP,
+               [0x20] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG,
+               [0x22] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP,
+               [0x24] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP,
+               [0x60] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
+               [0x62] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP,
+               [0x64] = RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP,
+               [0x10] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG,
+               [0x12] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP,
+               [0x14] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP,
+               [0x50] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG,
+               [0x52] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP,
+               [0x54] = RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP,
                /* All others reserved */
        };
        cqrd_flags &= CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT
@@ -185,9 +173,10 @@ static inline void
 enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf)
 {
        struct cq_enet_rq_desc *cqrd = (struct cq_enet_rq_desc *)cqd;
-       uint16_t ciflags, bwflags, pkt_flags = 0;
+       uint16_t ciflags, bwflags, pkt_flags = 0, vlan_tci;
        ciflags = enic_cq_rx_desc_ciflags(cqrd);
        bwflags = enic_cq_rx_desc_bwflags(cqrd);
+       vlan_tci = enic_cq_rx_desc_vlan(cqrd);
 
        mbuf->ol_flags = 0;
 
@@ -195,13 +184,17 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf)
        if (unlikely(!enic_cq_rx_desc_eop(ciflags)))
                goto mbuf_flags_done;
 
-       /* VLAN stripping */
+       /* VLAN STRIPPED flag. The L2 packet type updated here also */
        if (bwflags & CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) {
                pkt_flags |= PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED;
-               mbuf->vlan_tci = enic_cq_rx_desc_vlan(cqrd);
+               mbuf->packet_type |= RTE_PTYPE_L2_ETHER;
        } else {
-               mbuf->vlan_tci = 0;
+               if (vlan_tci != 0)
+                       mbuf->packet_type |= RTE_PTYPE_L2_ETHER_VLAN;
+               else
+                       mbuf->packet_type |= RTE_PTYPE_L2_ETHER;
        }
+       mbuf->vlan_tci = vlan_tci;
 
        /* RSS flag */
        if (enic_cq_rx_desc_rss_type(cqrd)) {