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Fri, 11 Mar 2022 16:37:00 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by rnnvmail205.nvidia.com (10.129.68.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 11 Mar 2022 08:36:59 -0800 Received: from vdi.nvidia.com (10.127.8.12) by mail.nvidia.com (10.129.68.8) with Microsoft SMTP Server id 15.2.986.22 via Frontend Transport; Fri, 11 Mar 2022 08:36:52 -0800 From: Maxim Mikityanskiy To: , Alexei Starovoitov , "Daniel Borkmann" , Andrii Nakryiko , CC: Tariq Toukan , Martin KaFai Lau , "Song Liu" , Yonghong Song , John Fastabend , KP Singh , "David S. Miller" , Jakub Kicinski , Petar Penkov , Lorenz Bauer , Eric Dumazet , Hideaki YOSHIFUJI , "David Ahern" , Shuah Khan , "Jesper Dangaard Brouer" , Nathan Chancellor , "Nick Desaulniers" , Joe Stringer , "Florent Revest" , , =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , "Kumar Kartikeya Dwivedi" , Florian Westphal , "Maxim Mikityanskiy" Subject: [PATCH bpf-next v4 1/5] bpf: Use ipv6_only_sock in bpf_tcp_gen_syncookie Date: Fri, 11 Mar 2022 18:36:38 +0200 Message-ID: <20220311163642.1003590-2-maximmi@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220311163642.1003590-1-maximmi@nvidia.com> References: <20220311163642.1003590-1-maximmi@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6414ae86-a4c3-4d50-9a20-08da037d5df9 X-MS-TrafficTypeDiagnostic: CH2PR12MB4971:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.234;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(36840700001)(46966006)(40470700004)(82310400004)(356005)(36756003)(8676002)(4326008)(70586007)(6666004)(81166007)(70206006)(26005)(107886003)(2906002)(1076003)(8936002)(86362001)(186003)(2616005)(40460700003)(7696005)(4744005)(83380400001)(7416002)(5660300002)(336012)(426003)(508600001)(47076005)(36860700001)(316002)(54906003)(110136005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Mar 2022 16:37:00.7687 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6414ae86-a4c3-4d50-9a20-08da037d5df9 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.234];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT012.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4971 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Instead of querying the sk_ipv6only field directly, use the dedicated ipv6_only_sock helper. Signed-off-by: Maxim Mikityanskiy Reviewed-by: Tariq Toukan Acked-by: John Fastabend Acked-by: Lorenz Bauer Acked-by: Petar Penkov --- net/core/filter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/filter.c b/net/core/filter.c index 03655f2074ae..7d896c14e20f 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -7090,7 +7090,7 @@ BPF_CALL_5(bpf_tcp_gen_syncookie, struct sock *, sk, void *, iph, u32, iph_len, */ switch (((struct iphdr *)iph)->version) { case 4: - if (sk->sk_family == AF_INET6 && sk->sk_ipv6only) + if (sk->sk_family == AF_INET6 && ipv6_only_sock(sk)) return -EINVAL; mss = tcp_v4_get_syncookie(sk, iph, th, &cookie);