netdev - Re: [PATCH net-next 8/8] net/mlx5e: Support offload cls

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Message-ID: <20160301145810.GE2098@nanopsycho.orion>
Date:	Tue, 1 Mar 2016 15:58:10 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Amir Vadai <amir@...ai.me>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Or Gerlitz <ogerlitz@...lanox.com>,
	John Fastabend <john.r.fastabend@...el.com>,
	Saeed Mahameed <saeedm@...lanox.com>,
	Hadar Har-Zion <hadarh@...lanox.com>,
	Jiri Pirko <jiri@...lanox.com>
Subject: Re: [PATCH net-next 8/8] net/mlx5e: Support offload cls_flower with
 sskbedit mark action

Tue, Mar 01, 2016 at 03:24:50PM CET, amir@...ai.me wrote:
>Introduce offloading of skbedit mark action.
>
>For example, to mark with 0x1234, all TCP (ip_proto 6) packets arriving
>to interface ens9:
>
> # tc qdisc add dev ens9 ingress
> # tc filter add dev ens9 protocol ip parent ffff: \
>     flower ip_proto 6 \
>     indev ens9 \
>     action skbedit mark 0x1234
>

<snip>

>@@ -287,6 +288,21 @@ static int parse_tc_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
> 			continue;
> 		}
> 
>+		if (is_tcf_skbedit_mark(a)) {
>+			u32 mark = tcf_skbedit_mark(a);
>+
>+			if (mark & ~MLX5E_TC_FLOW_ID_MASK) {
>+				netdev_warn(priv->netdev,
>+					    "Bad flow mark - only 16 bit is supported: 0x%x\n",

You can start printk string on the first line.