Intel drivers translate actions returned from XDP programs to their own
return codes that have the following mapping:
XDP_REDIRECT -> I40E_XDP_{REDIR,CONSUMED}
XDP_TX -> I40E_XDP_{TX,CONSUMED}
XDP_DROP -> I40E_XDP_CONSUMED
XDP_ABORTED -> I40E_XDP_CONSUMED
XDP_PASS -> I40E_XDP_PASS
Commit b8aef650e549 ("i40e, xsk: Terminate Rx side of NAPI when XSK Rx
queue gets full") introduced new translation
XDP_REDIRECT -> I40E_XDP_EXIT
which is set when XSK RQ gets full and to indicate that driver should
stop further Rx processing. This happens for unsuccessful
xdp_do_redirect() so it is valuable to call trace_xdp_exception() for
this case. In order to avoid I40E_XDP_EXIT -> IXGBE_XDP_CONSUMED
overwrite, XDP_DROP case was moved above which in turn made the
'fallthrough' that is in XDP_ABORTED useless as it became the last label
in the switch statement.
Simply drop this leftover.
Fixes: b8aef650e549 ("i40e, xsk: Terminate Rx side of NAPI when XSK Rx queue gets full")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
---
drivers/net/ethernet/intel/i40e/i40e_xsk.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 050280fd10c1..af3e7e6afc85 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -189,7 +189,6 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
result = I40E_XDP_CONSUMED;
out_failure:
trace_xdp_exception(rx_ring->netdev, xdp_prog, act);
- fallthrough; /* handle aborts by dropping packet */
}
return result;
}
--
2.27.0
