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Wed, 8 Dec 2021 17:02:48 +0000 From: Paul Blakey To: Paul Blakey , , , Saeed Mahameed , Cong Wang , Jamal Hadi Salim , "Pravin B Shelar" , , Jiri Pirko CC: Oz Shlomo , Vlad Buslov , Roi Dayan Subject: [PATCH net 0/3] net/sched: Fix ct zone matching for invalid conntrack state Date: Wed, 8 Dec 2021 19:02:37 +0200 Message-ID: <20211208170240.13458-1-paulb@nvidia.com> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d8b6b0bd-a988-4778-822a-08d9ba6c933e X-MS-TrafficTypeDiagnostic: BY5PR12MB4243:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: RtW6B2g6CnWIpenBZcRwF2j8DxhXM7gpuZpUb7OL0fEaSbdCZNDY8o4YSTsJCowVgTOeD+Io2SOGFSkEP0x2aptp2Wgo9QtG1vWPsOdf3RPZF4FKy3fpzbpVprQ52fxA5WWBEcfVFJ+Gbvn50fM8BKdNiamWNowbbStMSqZx1PYRtJlCjw8hnEZ2uWkiNAaJ3PQ6pbyhALF4O9iblgPGQSS9tznpQT7TI8fdVRy5AtjG2wspHNPGptkqTlq6xtj2FAWESwHs4WfZ/tG+QIsNBnwbD6tG2G8vd2S1o7A0bM1/aVi5gG6fZZSEt+WqSTTCTR9Dj8LR8DOW1knRqkwRyYQcj2GTBUxAKwDEYobLfUBbYqd6Y6WvpdwHZZwjfNgebMJZzryOIoumIl2j+Ns+Imb/ZajM7MBIOWz3UOYoJ2vuNGvFxxeOFYRedUUQP9HBQZJXjYYabuSe+QG7GCT23C5vuSlTIArKsmvDrTRKSveb5QWORbc2QFdHtQn2waULy0lGkj6JdnzYST6WYDr0RlPUMCe1a5Vre51mK0ThHGKFWElWWE7v7gFcpc/MS1J/iVpoeMAbAWl3Qx6tiYgUsZ0+F9HbRtTmLAQUiZSubodpEunoAFLcAXACKI0fwHJFC/2/0q20V/sr4UtgEj+MV9WGMwqZUT8hCldsq06ztPPheDp6AqbRh4oqrl0jC/caYPwzK7rql32drNG66K7ZeNrmkc/tmYOfdQPPzSUIonlA/b8tiWfVSRElpSmc0aOKrx6BUWFtkVHkp7ZRPZTss8IdlTOdzRvVKMDhBFbnlHQ= X-Forefront-Antispam-Report: CIP:203.18.50.13;CTRY:HK;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:hkhybrid02.nvidia.com;CAT:NONE;SFS:(4636009)(36840700001)(46966006)(40470700001)(316002)(34070700002)(54906003)(83380400001)(8936002)(356005)(86362001)(4326008)(107886003)(110136005)(36756003)(7636003)(36860700001)(6666004)(8676002)(70206006)(2906002)(336012)(426003)(40460700001)(2616005)(508600001)(6636002)(47076005)(82310400004)(186003)(26005)(5660300002)(1076003)(70586007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Dec 2021 17:02:53.5155 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d8b6b0bd-a988-4778-822a-08d9ba6c933e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[203.18.50.13];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT005.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4243 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Hi, Currently, when a packet is marked as invalid conntrack_in in act_ct, post_ct will be set, and connection info (nf_conn) will be removed from the skb. Later openvswitch and flower matching will parse this as ct_state=+trk+inv. But because the connection info is missing, there is also no zone info to match against even though the packet is tracked. This series fixes that, by passing the last executed zone by act_ct. The zone info is passed along from act_ct to the ct flow dissector (used by flower to extract zone info) and to ovs, the same way as post_ct is passed, via qdisc layer skb cb to dissector, and via skb extension to OVS. Since there was no more for BPF skb cb to extend the qdisc skb cb, tc info on the qdisc skb cb is moved to a tc specific cb that extend it instead of within it (same as BPF). Paul Blakey (3): net/sched: Extend qdisc control block with tc control block net/sched: flow_dissector: Fix matching on zone id for invalid conns net: openvswitch: Fix matching zone id for invalid conns arriving from tc include/linux/skbuff.h | 4 ++-- include/net/pkt_sched.h | 16 ++++++++++++++++ include/net/sch_generic.h | 2 -- net/core/dev.c | 8 ++++---- net/core/flow_dissector.c | 6 +++++- net/openvswitch/flow.c | 8 +++++++- net/sched/act_ct.c | 15 ++++++++------- net/sched/cls_api.c | 7 +++++-- net/sched/cls_flower.c | 6 +++--- net/sched/sch_frag.c | 3 ++- 10 files changed, 52 insertions(+), 23 deletions(-)