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From: Shmulik Ladkani <shmulik.ladkani@gmail.com>
To: Hadar Hen Zion <hadarh@mellanox.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Jiri Pirko <jiri@mellanox.com>,
	Jiri Benc <jbenc@redhat.com>, Jamal Hadi Salim <jhs@mojatatu.com>,
	Tom Herbert <tom@herbertland.com>,
	Or Gerlitz <ogerlitz@mellanox.com>,
	Amir Vadai <amirva@mellanox.com>, Amir Vadai <amir@vadai.me>
Subject: Re: [PATCH net-next V3 4/4] net/sched: Introduce act_tunnel_key
Date: Thu, 25 Aug 2016 19:52:56 +0300	[thread overview]
Message-ID: <20160825195256.5ea52610@halley> (raw)
In-Reply-To: <1472141627-27339-5-git-send-email-hadarh@mellanox.com>

Hi,

On Thu, 25 Aug 2016 19:13:47 +0300 Hadar Hen Zion <hadarh@mellanox.com> wrote:
> +static int tunnel_key_act(struct sk_buff *skb, const struct tc_action *a,
> +			  struct tcf_result *res)
> +{
> +	struct tcf_tunnel_key *t = to_tunnel_key(a);
> +	int action;
> +
> +	spin_lock(&t->tcf_lock);
> +	tcf_lastuse_update(&t->tcf_tm);
> +	bstats_update(&t->tcf_bstats, skb);
> +	action = t->tcf_action;
> +
> +	switch (t->tcft_action) {
> +	case TCA_TUNNEL_KEY_ACT_RELEASE:
> +		skb_dst_set_noref(skb, NULL);
> +		break;
> +	case TCA_TUNNEL_KEY_ACT_SET:
> +		skb_dst_set_noref(skb, &t->tcft_enc_metadata->dst);
> +		break;

Two additional questions:
 - No need to perform a 'skb_dst_drop(skb)' prior the dst set calls?
 - Why there's no need to take a reference on tcft_enc_metadata->dst?

Besides that,

Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>

Thanks!

  reply	other threads:[~2016-08-25 16:53 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-25 16:13 [PATCH net-next V3 0/4] net/sched: ip tunnel metadata set/release/classify by using TC Hadar Hen Zion
2016-08-25 16:13 ` [PATCH net-next V3 1/4] net/ip_tunnels: Introduce tunnel_id_to_key32() and key32_to_tunnel_id() Hadar Hen Zion
2016-08-26 10:26   ` Jiri Benc
2016-08-25 16:13 ` [PATCH net-next V3 2/4] net/dst: Utility functions to build dst_metadata without supplying an skb Hadar Hen Zion
2016-08-25 16:40   ` Shmulik Ladkani
2016-08-26  6:14     ` Or Gerlitz
2016-08-26 10:31     ` Jiri Benc
2016-08-25 16:13 ` [PATCH net-next V3 3/4] net/sched: cls_flower: Classify packet in ip tunnels Hadar Hen Zion
2016-08-26 10:46   ` Jiri Benc
2016-08-25 16:13 ` [PATCH net-next V3 4/4] net/sched: Introduce act_tunnel_key Hadar Hen Zion
2016-08-25 16:52   ` Shmulik Ladkani [this message]
2016-08-25 17:48   ` Eric Dumazet
2016-08-26  6:16     ` Or Gerlitz
2016-08-26 18:26     ` Cong Wang
2016-08-26 19:16       ` Eric Dumazet
2016-08-29  5:04         ` Cong Wang
2016-08-30 11:03           ` Amir Vadai
2016-08-30 11:39             ` Amir Vadai
2016-08-30 12:27               ` Eric Dumazet
2016-08-30 12:05             ` Jamal Hadi Salim
2016-08-30 13:17               ` Amir Vadai
2016-08-30 14:27                 ` Eric Dumazet
2016-08-26 11:13   ` Jiri Benc

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