[dpdk-dev] [PATCH] net/ice/base: fix FDIR rule passthrough mode

[Zeng, XiaoxiaoX]

Tested-by: Zeng,Xiaoxiao<xiaoxiaox.zeng at intel.com>


Best regards,
Zeng,xiaoxiao


> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Simei Su
> Sent: Friday, May 8, 2020 9:22 AM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>; Ye, Xiaolong
> <xiaolong.ye at intel.com>
> Cc: dev at dpdk.org; Cao, Yahui <yahui.cao at intel.com>; Su, Simei
> <simei.su at intel.com>
> Subject: [dpdk-dev] [PATCH] net/ice/base: fix FDIR rule passthrough mode
> 
> This patch adds support for FDIR passthrough mode. When FDIR rule hits,
> FDIR just forward this packet to the next stage filter.
> 
> Fixes: 55daca4e45fc ("net/ice/base: change function to static")
> 
> Signed-off-by: Simei Su <simei.su at intel.com>
> ---
>  drivers/net/ice/base/ice_fdir.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ice/base/ice_fdir.c b/drivers/net/ice/base/ice_fdir.c
> index c703a7c..33a1732 100644
> --- a/drivers/net/ice/base/ice_fdir.c
> +++ b/drivers/net/ice/base/ice_fdir.c
> @@ -465,6 +465,10 @@
>  	if (input->dest_ctl == ICE_FLTR_PRGM_DESC_DEST_DROP_PKT) {
>  		fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_YES;
>  		fdir_fltr_ctx.qindex = 0;
> +	} else if (input->dest_ctl ==
> +			ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER) {
> +		fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_NO;
> +		fdir_fltr_ctx.qindex = 0;
>  	} else {
>  		if (input->dest_ctl ==
>  		    ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP)
> @@ -476,7 +480,10 @@
>  	fdir_fltr_ctx.cnt_index = input->cnt_index;
>  	fdir_fltr_ctx.fd_vsi = ice_get_hw_vsi_num(hw, input->dest_vsi);
>  	fdir_fltr_ctx.evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE;
> -	fdir_fltr_ctx.toq_prio = 3;
> +	if (input->dest_ctl ==
> ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER)
> +		fdir_fltr_ctx.toq_prio = 0;
> +	else
> +		fdir_fltr_ctx.toq_prio = 3;
>  	fdir_fltr_ctx.pcmd = (add) ? ICE_FXD_FLTR_QW1_PCMD_ADD :
>  		ICE_FXD_FLTR_QW1_PCMD_REMOVE;
>  	fdir_fltr_ctx.swap = ICE_FXD_FLTR_QW1_SWAP_NOT_SET;
> --
> 1.8.3.1