diff options
Diffstat (limited to 'tools/testing/selftests/bpf/xdp_hw_metadata.c')
| -rw-r--r-- | tools/testing/selftests/bpf/xdp_hw_metadata.c | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/tools/testing/selftests/bpf/xdp_hw_metadata.c b/tools/testing/selftests/bpf/xdp_hw_metadata.c index 3291625ba4fb..878d68db0325 100644 --- a/tools/testing/selftests/bpf/xdp_hw_metadata.c +++ b/tools/testing/selftests/bpf/xdp_hw_metadata.c @@ -21,6 +21,9 @@ #include "xsk.h" #include <error.h> +#include <linux/kernel.h> +#include <linux/bits.h> +#include <linux/bitfield.h> #include <linux/errqueue.h> #include <linux/if_link.h> #include <linux/net_tstamp.h> @@ -79,7 +82,7 @@ static int open_xsk(int ifindex, struct xsk *xsk, __u32 queue_id) .flags = XSK_UMEM__DEFAULT_FLAGS, .tx_metadata_len = sizeof(struct xsk_tx_metadata), }; - __u32 idx; + __u32 idx = 0; u64 addr; int ret; int i; @@ -182,19 +185,31 @@ static void print_tstamp_delta(const char *name, const char *refname, (double)delta / 1000); } +#define VLAN_PRIO_MASK GENMASK(15, 13) /* Priority Code Point */ +#define VLAN_DEI_MASK GENMASK(12, 12) /* Drop Eligible Indicator */ +#define VLAN_VID_MASK GENMASK(11, 0) /* VLAN Identifier */ +static void print_vlan_tci(__u16 tag) +{ + __u16 vlan_id = FIELD_GET(VLAN_VID_MASK, tag); + __u8 pcp = FIELD_GET(VLAN_PRIO_MASK, tag); + bool dei = FIELD_GET(VLAN_DEI_MASK, tag); + + printf("PCP=%u, DEI=%d, VID=0x%X\n", pcp, dei, vlan_id); +} + static void verify_xdp_metadata(void *data, clockid_t clock_id) { struct xdp_meta *meta; meta = data - sizeof(*meta); - if (meta->rx_hash_err < 0) - printf("No rx_hash err=%d\n", meta->rx_hash_err); - else + if (meta->hint_valid & XDP_META_FIELD_RSS) printf("rx_hash: 0x%X with RSS type:0x%X\n", meta->rx_hash, meta->rx_hash_type); + else + printf("No rx_hash, err=%d\n", meta->rx_hash_err); - if (meta->rx_timestamp) { + if (meta->hint_valid & XDP_META_FIELD_TS) { __u64 ref_tstamp = gettime(clock_id); /* store received timestamps to calculate a delta at tx */ @@ -206,7 +221,16 @@ static void verify_xdp_metadata(void *data, clockid_t clock_id) print_tstamp_delta("XDP RX-time", "User RX-time", meta->xdp_timestamp, ref_tstamp); } else { - printf("No rx_timestamp\n"); + printf("No rx_timestamp, err=%d\n", meta->rx_timestamp_err); + } + + if (meta->hint_valid & XDP_META_FIELD_VLAN_TAG) { + printf("rx_vlan_proto: 0x%X\n", ntohs(meta->rx_vlan_proto)); + printf("rx_vlan_tci: "); + print_vlan_tci(meta->rx_vlan_tci); + } else { + printf("No rx_vlan_tci or rx_vlan_proto, err=%d\n", + meta->rx_vlan_tag_err); } } |