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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Xin Long <lucien.xin@gmail.com>
Cc: network dev <netdev@vger.kernel.org>,
	dev@openvswitch.org, ovs-dev@openvswitch.org,
	davem@davemloft.net, kuba@kernel.org,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>,
	Pravin B Shelar <pshelar@ovn.org>,
	Jamal Hadi Salim <jhs@mojatatu.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	Jiri Pirko <jiri@resnulli.us>, Florian Westphal <fw@strlen.de>,
	Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
	Davide Caratti <dcaratti@redhat.com>, Oz Shlomo <ozsh@nvidia.com>,
	Paul Blakey <paulb@nvidia.com>,
	Ilya Maximets <i.maximets@ovn.org>,
	Eelco Chaudron <echaudro@redhat.com>
Subject: Re: [PATCH net-next 3/3] net: sched: add helper support in act_ct
Date: Thu, 6 Oct 2022 16:11:24 +0200	[thread overview]
Message-ID: <Yz7iDEjVbHrPUPT4@salvia> (raw)
In-Reply-To: <bc53ffac4d6be2616d053684fb6670f478b4324b.1664932669.git.lucien.xin@gmail.com>

On Tue, Oct 04, 2022 at 09:19:56PM -0400, Xin Long wrote:
[...]
> @@ -1119,6 +1135,22 @@ static int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a,
>  	if (err != NF_ACCEPT)
>  		goto drop;
>  
> +	if (commit && p->helper && !nfct_help(ct)) {
> +		err = __nf_ct_try_assign_helper(ct, p->tmpl, GFP_ATOMIC);
> +		if (err)
> +			goto drop;
> +		add_helper = true;
> +		if (p->ct_action & TCA_CT_ACT_NAT && !nfct_seqadj(ct)) {
> +			if (!nfct_seqadj_ext_add(ct))

You can only add ct extensions if ct is !nf_ct_is_confirmed(ct)), is
this guaranteed in this codepath?

> +				return -EINVAL;
> +		}
> +	}
> +
> +	if (nf_ct_is_confirmed(ct) ? ((!cached && !skip_add) || add_helper) : commit) {
> +		if (nf_ct_helper(skb, family) != NF_ACCEPT)
> +			goto drop;
> +	}
> +
>  	if (commit) {
>  		tcf_ct_act_set_mark(ct, p->mark, p->mark_mask);
>  		tcf_ct_act_set_labels(ct, p->labels, p->labels_mask);

  parent reply	other threads:[~2022-10-06 14:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-05  1:19 [PATCH net-next 0/3] net: add helper support in tc act_ct for ovs offloading Xin Long
2022-10-05  1:19 ` [PATCH net-next 1/3] net: move the helper function to nf_conntrack_helper for ovs and tc Xin Long
2022-10-05  1:19 ` [PATCH net-next 2/3] net: sched: call tcf_ct_params_free to free params in tcf_ct_init Xin Long
2022-10-05  1:19 ` [PATCH net-next 3/3] net: sched: add helper support in act_ct Xin Long
2022-10-06  9:57   ` Paolo Abeni
2022-10-06 14:05     ` Xin Long
2022-10-06 14:11   ` Pablo Neira Ayuso [this message]
2022-10-06 16:49     ` Xin Long

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