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Miller" , Ferenc Fejes Subject: [PATCH v2 net-next 0/3] Extending bpf_setsockopt with SO_BINDTODEVICE sockopt Date: Sat, 30 May 2020 23:08:59 +0200 Message-Id: X-Mailer: git-send-email 2.17.1 Content-Type: text/plain X-ClientProxiedBy: VI1PR0202CA0016.eurprd02.prod.outlook.com (2603:10a6:803:14::29) To DB8PR10MB2652.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:10:ab::20) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (89.133.95.17) by VI1PR0202CA0016.eurprd02.prod.outlook.com (2603:10a6:803:14::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3045.17 via Frontend Transport; Sat, 30 May 2020 21:09:15 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [89.133.95.17] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 733b226e-cf4b-4274-c27a-08d804ddb5de X-MS-TrafficTypeDiagnostic: DB8PR10MB3034: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-Forefront-PRVS: 041963B986 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: ivY8dz3o1TTOpKwBqyTYsjk0ka3WciBK5BampuD2FZSvQ8k3rejRbPm4H7w5Jv8Q6L0BtKpy7p+SW9nPfjdT1G7TJ1mfsoq7Vqac8tS7hta+HXGDwxxQxJN4qc5w//pQ42YRmIKkXitevCqX4kc0ZoLW+jxuuZ/AD72dzasBbQIYh51j1MboL83rdfZfDjwCgSNRXYfYXyWGIDTF5dbdf5nhurjQb64vFg4bH7aQw4LGwr3Xrihx3HCa5rwcMR//bPNo0b+OJLy4LIrYpetBimqxTT70nuNtz8gFBOAwBA6jf6cWWo+d47Uv8iQMBcu5zTb0hJ7NKozpH6L2jw/QeucGo30mKRj2ouKpHFiZiElXmwjH7CZRUjXi+uFjrV1w X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB8PR10MB2652.EURPRD10.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFTY:;SFS:(376002)(346002)(136003)(396003)(39840400004)(366004)(66556008)(6486002)(69590400007)(66946007)(66476007)(478600001)(83380400001)(107886003)(8936002)(6506007)(8676002)(52116002)(6666004)(4744005)(5660300002)(26005)(2616005)(6916009)(316002)(956004)(786003)(86362001)(4326008)(2906002)(6512007)(16526019)(54906003)(186003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: IA8u97++3TSzJ7Cc7aCJ6KwYXCu8XE43FOn43S4K8U6lHnE0/OiVI+AZGra3MP9RmCRlprQQvOP602TF2EAA6+Q//8kVSDi1FMI70i/adzbA8t1O8GI73dPlLuj5/DxJdIVA+5AVKCmikL1I0xdJx6aLUpTL2oao2wGSb7Nrc62HWtN4bj65atMpWfqWcFYy/odmyuXgkIkpZJriyKHytLkdf9i9t2+0CeOoxbbNfi1I2RKQH6MN7CnJGRgtsjax1nkrgN14gJRs9BKeEotak/fE5yLMRnXKW+tZzLDmLQVzhyEXQk6judBKLfxoBeHgUWsOmy6Eyo9gYEUgGZ/cPGrOzplViosYCLttsu0IbS6+2fY3vRab1CZTLdde/bL+JOuH9URDhpCEvRj0ySjpI+W3ge+MQadaXhTJ47PJ1kUh2sgREx8J5Bkj4m/O1Oo6YDpWbWnla3/8C7z5QmcDcpQxnQwHxcDk0/TCNqlngJc= X-OriginatorOrg: inf.elte.hu X-MS-Exchange-CrossTenant-Network-Message-Id: 733b226e-cf4b-4274-c27a-08d804ddb5de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 May 2020 21:09:16.0192 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0133bb48-f790-4560-a64d-ac46a472fbbc X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: eF8dUy4IRmr5WWdMXvI6ykLMulnbaRZX+qkJbj0Tue1mYgBlJW/Pm8SSY/M8ZIYwN+ti9f6vbp33mHeTy7EYRA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR10MB3034 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This option makes it possible to programatically bind sockets to netdevices. With the help of this option sockets of VRF unaware applications could be distributed between multiple VRFs with an eBPF program. This lets the applications benefit from multiple possible routes. v2: - splitting up the patch to three parts - lock_sk parameter for optional locking in sock_bindtoindex - Stanislav Fomichev - testing the SO_BINDTODEVICE option - Andrii Nakryiko Ferenc Fejes (3): net: Make locking in sock_bindtoindex optional bpf: Allow SO_BINDTODEVICE opt in bpf_setsockopt selftests/bpf: Add test for SO_BINDTODEVICE opt of bpf_setsockopt include/net/sock.h | 2 +- net/core/filter.c | 27 ++++++++++++++- net/core/sock.c | 10 +++--- net/ipv4/udp_tunnel.c | 2 +- net/ipv6/ip6_udp_tunnel.c | 2 +- .../selftests/bpf/progs/connect4_prog.c | 33 +++++++++++++++++++ 6 files changed, 68 insertions(+), 8 deletions(-) -- 2.17.1