net: support VLAN in software packet type parser

[dpdk.git] / lib / librte_net / rte_net.c

diff --git a/lib/librte_net/rte_net.c b/lib/librte_net/rte_net.c
index 93e9df0..a75b509 100644 (file)
--- a/lib/librte_net/rte_net.c
+++ b/lib/librte_net/rte_net.c
@@ -167,6 +167,19 @@ uint32_t rte_net_get_ptype(const struct rte_mbuf *m,
        off = sizeof(*eh);
        hdr_lens->l2_len = off;
 
+       if (proto == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) {
+               const struct vlan_hdr *vh;
+               struct vlan_hdr vh_copy;
+
+               pkt_type = RTE_PTYPE_L2_ETHER_VLAN;
+               vh = rte_pktmbuf_read(m, off, sizeof(*vh), &vh_copy);
+               if (unlikely(vh == NULL))
+                       return pkt_type;
+               off += sizeof(*vh);
+               hdr_lens->l2_len += sizeof(*vh);
+               proto = vh->eth_proto;
+       }
+
        if (proto == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
                const struct ipv4_hdr *ip4h;
                struct ipv4_hdr ip4h_copy;