[dpdk-dev] [PATCH v2] net/i40e: fix failing to create FDIR flow

[Shougang Wang]

This patch fixes the issue that the flow which both source MAC mask
and destination MAC mask are all zeros can not be created.

Fixes: ea0c22fd8227 ("net/i40e: enable MAC address as flow director input set")

Signed-off-by: Shougang Wang <shougangx.wang at intel.com>
Tested-by: Hailin Xu <hailinx.xu at intel.com>
Reviewed-by: Jeff Guo <jia.guo at intel.com>
---

v2 change:
- Change code alignment format
---
 drivers/net/i40e/i40e_flow.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 65f877866..8ce21f7b6 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -2643,7 +2643,8 @@ i40e_flow_parse_fdir_pattern(struct rte_eth_dev *dev,
 					filter->input.flow.l2_flow.src =
 						eth_spec->src;
 					input_set |= (I40E_INSET_DMAC | I40E_INSET_SMAC);
-				} else {
+				} else if (!rte_is_zero_ether_addr(&eth_mask->src) ||
+					   !rte_is_zero_ether_addr(&eth_mask->dst)) {
 					rte_flow_error_set(error, EINVAL,
 						      RTE_FLOW_ERROR_TYPE_ITEM,
 						      item,
-- 
2.17.1