netdev - Re: [PATCH net-next v2 00/11] use tc_cls_can_offload_and

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Date:   Thu, 25 Jan 2018 21:23:33 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     jakub.kicinski@...ronome.com
Cc:     jiri@...nulli.us, dsahern@...il.com, netdev@...r.kernel.org,
        oss-drivers@...ronome.com
Subject: Re: [PATCH net-next v2 00/11] use tc_cls_can_offload_and_chain0()
 throughout the drivers

From: Jakub Kicinski <jakub.kicinski@...ronome.com>
Date: Thu, 25 Jan 2018 14:00:42 -0800

> This set makes all drivers use a new tc_cls_can_offload_and_chain0()
> helper which will set extack in case TC hw offload flag is disabled.
> 
> I chose to keep the new helper which also looks at the chain but
> renamed it more appropriately.  The rationale being that most drivers
> don't accept chains other than 0 and since we have to pass extack
> to the helper we can as well pass the entire struct tc_cls_common_offload
> and perform the most common checks.
> 
> This code makes the assumption that type_data in the callback can
> be interpreted as struct tc_cls_common_offload, i.e. the real offload
> structure has common part as the first member.  This allows us to
> make the check once for all classifier types if driver supports
> more than one.
> 
> v1:
>  - drop the type validation in nfp and netdevsim.
> v2:
>  - reorder checks in patch 1;
>  - split other changes from patch 1;
>  - add the i40e patch in;
>  - add one more test case - for chain 0 extack.

Series applied, thanks Jakub.