net/i40e: fix failing to create FDIR flow

  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@intel.com>
---
 drivers/net/i40e/i40e_flow.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
  

Tested-by: Xu, Hailin <hailinx.xu@intel.com>

Regards,
Xu, Hailin


-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Shougang Wang
Sent: Wednesday, May 6, 2020 2:15 PM
To: dev@dpdk.org
Cc: Xing, Beilei <beilei.xing@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Wang, ShougangX <shougangx.wang@intel.com>
Subject: [dpdk-dev] [PATCH] net/i40e: fix failing to create FDIR flow

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@intel.com>
---
 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 7e64ae53a..fa6ab4fbf 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
  

hi, shougang

On 5/6/2020 2:14 PM, Shougang Wang wrote:
> 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@intel.com>
> ---
>   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 7e64ae53a..fa6ab4fbf 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)) {


Alignment should be match above parentheses? Other look good, you could 
add my Review-by next.


>   					rte_flow_error_set(error, EINVAL,
>   						      RTE_FLOW_ERROR_TYPE_ITEM,
>   						      item,