From: Magnus Karlsson magnus.karlsson@intel.com
[ Upstream commit 74431c40b9c5fa673fff83ec157a76a69efd5c72 ]
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: 9cbc948b5a20 ("igb: add XDP support") 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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/igb/igb_main.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index a41b85f1fc94..caa8929289ae 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -8395,18 +8395,20 @@ static struct sk_buff *igb_run_xdp(struct igb_adapter *adapter, break; case XDP_TX: result = igb_xdp_xmit_back(adapter, xdp); + if (result == IGB_XDP_CONSUMED) + goto out_failure; break; case XDP_REDIRECT: err = xdp_do_redirect(adapter->netdev, xdp, xdp_prog); - if (!err) - result = IGB_XDP_REDIR; - else - result = IGB_XDP_CONSUMED; + if (err) + goto out_failure; + result = IGB_XDP_REDIR; break; default: bpf_warn_invalid_xdp_action(act); fallthrough; case XDP_ABORTED: +out_failure: trace_xdp_exception(rx_ring->netdev, xdp_prog, act); fallthrough; case XDP_DROP: