[dpdk-dev] [PATCH v2 1/3] net/i40e: fix FDIR issue for ARP packets

[Xing, Beilei]

> -----Original Message-----
> From: Zhao1, Wei <wei.zhao1 at intel.com>
> Sent: Tuesday, April 28, 2020 1:48 PM
> To: dev at dpdk.org
> Cc: stable at dpdk.org; Xing, Beilei <beilei.xing at intel.com>;
> maxime.leroy at 6wind.com; Zhao1, Wei <wei.zhao1 at intel.com>
> Subject: [PATCH v2 1/3] net/i40e: fix FDIR issue for ARP packets
> 
> This patch can enable FDIR awith ethertype as input set for ARP packet, it will
> associate this rule, "flow create 0 ingress pattern eth type is 0x0806 / end
> actions mark id 0x86 / rss / end", with pctype
> I40E_FILTER_PCTYPE_L2_PAYLOAD for ARP packet rule.
> I have tried to enable ARP ethertype for FDIR filter, it work well for ARP for
> FDIR filter, so delete the check.

How about 
'Currently, flow "pattern eth type is 0x0806 / end actions mark id 0x86 / rss / end" can't be created successfully. FDIR parser shouldn't deny RTE_ETHER_TYPE_ARP since ARP packets will be parsed as PCTYPE_L2_PAYLOAD.
This patch fixes the issue.' ?

> 
> Bugzilla ID: 402
> Fixes: 42044b69c67d ("net/i40e: support input set selection for FDIR")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> ---
>  drivers/net/i40e/i40e_flow.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index
> 7e64ae53a..1533d5abb 100644
> --- a/drivers/net/i40e/i40e_flow.c
> +++ b/drivers/net/i40e/i40e_flow.c
> @@ -2666,7 +2666,6 @@ i40e_flow_parse_fdir_pattern(struct rte_eth_dev
> *dev,
>  				if (next_type ==
> RTE_FLOW_ITEM_TYPE_VLAN ||
>  				    ether_type == RTE_ETHER_TYPE_IPV4 ||
>  				    ether_type == RTE_ETHER_TYPE_IPV6 ||
> -				    ether_type == RTE_ETHER_TYPE_ARP ||
>  				    ether_type == outer_tpid) {
>  					rte_flow_error_set(error, EINVAL,
> 
> RTE_FLOW_ERROR_TYPE_ITEM,
> @@ -2711,7 +2710,6 @@ i40e_flow_parse_fdir_pattern(struct rte_eth_dev
> *dev,
> 
>  				if (ether_type == RTE_ETHER_TYPE_IPV4 ||
>  				    ether_type == RTE_ETHER_TYPE_IPV6 ||
> -				    ether_type == RTE_ETHER_TYPE_ARP ||
>  				    ether_type == outer_tpid) {
>  					rte_flow_error_set(error, EINVAL,
> 
> RTE_FLOW_ERROR_TYPE_ITEM,
> --
> 2.19.1