[dpdk-stable] [PATCH] net/ice: fix flow validation for unsupported patterns

[Zhang, Qi Z]

> -----Original Message-----
> From: Sun, GuinanX <guinanx.sun at intel.com>
> Sent: Friday, August 28, 2020 10:33 AM
> To: dev at dpdk.org
> Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Yang, Qiming
> <qiming.yang at intel.com>; Sun, GuinanX <guinanx.sun at intel.com>;
> stable at dpdk.org
> Subject: [PATCH] net/ice: fix flow validation for unsupported patterns
> 
> When loading the OS default package and the pipeline mode is enabled by the
> "pipeline-mode-support=1" operation. In this case, the wrong parser is selected
> for processing and it will cause the unsupported
> patterns(pppoes/pfcp/l2tpv3/esp/ah) to be validated successfully.
> This patch corrects the parser selection issue.
> 
> Fixes: 47d460d63233 ("net/ice: rework switch filter")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Guinan Sun <guinanx.sun at intel.com>
> ---
>  drivers/net/ice/ice_switch_filter.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ice/ice_switch_filter.c
> b/drivers/net/ice/ice_switch_filter.c
> index c4b00b6a2..884fbaae2 100644
> --- a/drivers/net/ice/ice_switch_filter.c
> +++ b/drivers/net/ice/ice_switch_filter.c
> @@ -1806,7 +1806,8 @@ ice_switch_init(struct ice_adapter *ad)
>  	else
>  		return -EINVAL;
> 
> -	if (ad->devargs.pipe_mode_support)
> +	if (ad->devargs.pipe_mode_support &&
> +	    ad->active_pkg_type != ICE_PKG_TYPE_OS_DEFAULT)
>  		ret = ice_register_parser(perm_parser, ad);

This is not correct, package type should not related with pipe line mode.


>  	else
>  		ret = ice_register_parser(dist_parser, ad); @@ -1824,7 +1825,8 @@
> ice_switch_uninit(struct ice_adapter *ad)
>  	else
>  		dist_parser = &ice_switch_dist_parser_os;
> 
> -	if (ad->devargs.pipe_mode_support)
> +	if (ad->devargs.pipe_mode_support &&
> +	    ad->active_pkg_type != ICE_PKG_TYPE_OS_DEFAULT)
>  		ice_unregister_parser(perm_parser, ad);
>  	else
>  		ice_unregister_parser(dist_parser, ad);
> --
> 2.17.1