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Sun, 30 Jun 2024 15:58:02 -0400 X-MC-Unique: 89HoVxXFM5GoxplBai3P1Q-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C77B61956096; Sun, 30 Jun 2024 19:57:58 +0000 (UTC) Received: from antares.redhat.com (unknown [10.39.192.78]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A3F5219560AA; Sun, 30 Jun 2024 19:57:52 +0000 (UTC) From: Adrian Moreno To: netdev@vger.kernel.org Date: Sun, 30 Jun 2024 21:57:23 +0200 Message-ID: <20240630195740.1469727-3-amorenoz@redhat.com> In-Reply-To: <20240630195740.1469727-1-amorenoz@redhat.com> References: <20240630195740.1469727-1-amorenoz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Subject: [ovs-dev] [PATCH net-next v7 02/10] net: sched: act_sample: add action cookie to sample X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dev@openvswitch.org, Paolo Abeni , Jiri Pirko , Ido Schimmel , Jamal Hadi Salim , i.maximets@ovn.org, linux-kernel@vger.kernel.org, Eric Dumazet , horms@kernel.org, Jakub Kicinski , Cong Wang , "David S. Miller" Errors-To: ovs-dev-bounces@openvswitch.org Sender: "dev" If the action has a user_cookie, pass it along to the sample so it can be easily identified. Acked-by: Eelco Chaudron Reviewed-by: Ido Schimmel Signed-off-by: Adrian Moreno Reviewed-by: Aaron Conole --- net/sched/act_sample.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index a69b53d54039..2ceb4d141b71 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -167,7 +167,9 @@ TC_INDIRECT_SCOPE int tcf_sample_act(struct sk_buff *skb, { struct tcf_sample *s = to_sample(a); struct psample_group *psample_group; + u8 cookie_data[TC_COOKIE_MAX_SIZE]; struct psample_metadata md = {}; + struct tc_cookie *user_cookie; int retval; tcf_lastuse_update(&s->tcf_tm); @@ -189,6 +191,16 @@ TC_INDIRECT_SCOPE int tcf_sample_act(struct sk_buff *skb, if (skb_at_tc_ingress(skb) && tcf_sample_dev_ok_push(skb->dev)) skb_push(skb, skb->mac_len); + rcu_read_lock(); + user_cookie = rcu_dereference(a->user_cookie); + if (user_cookie) { + memcpy(cookie_data, user_cookie->data, + user_cookie->len); + md.user_cookie = cookie_data; + md.user_cookie_len = user_cookie->len; + } + rcu_read_unlock(); + md.trunc_size = s->truncate ? s->trunc_size : skb->len; psample_sample_packet(psample_group, skb, s->rate, &md);