@@ -26,15 +26,22 @@ int rx(struct xdp_md *ctx)
{
void *data, *data_meta, *data_end;
struct ipv6hdr *ip6h = NULL;
- struct ethhdr *eth = NULL;
struct udphdr *udp = NULL;
struct iphdr *iph = NULL;
struct xdp_meta *meta;
+ struct ethhdr *eth;
int err;
data = (void *)(long)ctx->data;
data_end = (void *)(long)ctx->data_end;
eth = data;
+
+ if (eth + 1 < data_end && eth->h_proto == bpf_htons(ETH_P_8021AD))
+ eth = (void *)eth + sizeof(struct vlan_hdr);
+
+ if (eth + 1 < data_end && eth->h_proto == bpf_htons(ETH_P_8021Q))
+ eth = (void *)eth + sizeof(struct vlan_hdr);
+
if (eth + 1 < data_end) {
if (eth->h_proto == bpf_htons(ETH_P_IP)) {
iph = (void *)(eth + 1);
@@ -9,6 +9,14 @@
#define ETH_P_IPV6 0x86DD
#endif
+#ifndef ETH_P_8021Q
+#define ETH_P_8021Q 0x8100
+#endif
+
+#ifndef ETH_P_8021AD
+#define ETH_P_8021AD 0x88A8
+#endif
+
struct xdp_meta {
__u64 rx_timestamp;
__u64 xdp_timestamp;
Make VLAN c-tag and s-tag XDP hint testing more convenient by not skipping VLAN-ed packets. Allow both 802.1ad and 802.1Q headers. Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> --- tools/testing/selftests/bpf/progs/xdp_hw_metadata.c | 9 ++++++++- tools/testing/selftests/bpf/xdp_metadata.h | 8 ++++++++ 2 files changed, 16 insertions(+), 1 deletion(-)