Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev...

[sfrench/cifs-2.6.git] / samples / bpf / xdp1_kern.c

diff --git a/samples/bpf/xdp1_kern.c b/samples/bpf/xdp1_kern.c
index 34b64394ed9cafdcda9336a95ebc4993ccc025cd..f0c5d95084dec92ea84ac9cef71b57a61f1b3483 100644 (file)
--- a/samples/bpf/xdp1_kern.c
+++ b/samples/bpf/xdp1_kern.c
@@ -57,6 +57,7 @@ int xdp_prog1(struct xdp_md *ctx)
 
        h_proto = eth->h_proto;
 
+       /* Handle VLAN tagged packet */
        if (h_proto == htons(ETH_P_8021Q) || h_proto == htons(ETH_P_8021AD)) {
                struct vlan_hdr *vhdr;
 
@@ -66,6 +67,7 @@ int xdp_prog1(struct xdp_md *ctx)
                        return rc;
                h_proto = vhdr->h_vlan_encapsulated_proto;
        }
+       /* Handle double VLAN tagged packet */
        if (h_proto == htons(ETH_P_8021Q) || h_proto == htons(ETH_P_8021AD)) {
                struct vlan_hdr *vhdr;