ixgbevf: add correct exception tracing for XDP

Add missing exception tracing to XDP when a number of different
errors can occur. The support was only partial. Several errors
where not logged which would confuse the user quite a lot not
knowing where and why the packets disappeared.

Fixes: 21092e9ce8b1 ("ixgbevf: Add support for XDP_TX action")
Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Tested-by: Vishakha Jambekar <vishakha.jambekar@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index ba2ed8a..0e733cc 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1067,11 +1067,14 @@ static struct sk_buff *ixgbevf_run_xdp(struct ixgbevf_adapter *adapter,
        case XDP_TX:
                xdp_ring = adapter->xdp_ring[rx_ring->queue_index];
                result = ixgbevf_xmit_xdp_ring(xdp_ring, xdp);
+               if (result == IXGBEVF_XDP_CONSUMED)
+                       goto out_failure;
                break;
        default:
                bpf_warn_invalid_xdp_action(act);
                fallthrough;
        case XDP_ABORTED:
+out_failure:
                trace_xdp_exception(rx_ring->netdev, xdp_prog, act);
                fallthrough; /* handle aborts by dropping packet */
        case XDP_DROP: