From patchwork Sat Sep 14 10:32:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Feng zhou X-Patchwork-Id: 828749 Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A49DA1482F3 for ; Sat, 14 Sep 2024 10:32:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726309963; cv=none; b=WWKlLxO8iunDYExxIR3OgX8xxdQBTPFomHV9VBCitSv5k8T2QS/NSw2ce/KPECc9hasLu4aT1tSs5b+YcpQmt/0I+5Le8DO5U4ZVLK5BvbgpEL6JFDruHlg0dmQRAxR9ntk0n9xcIf8qe/ZZ0B1gUGapuYHfzE6khPbg+QnFqcI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726309963; c=relaxed/simple; bh=DdYB00ibTxT+QJRCxLcc/asgoMEjnRMB60l7urVdFTo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=aaJna0TEo5RoVqXBiHKkykwM7C0FSTEw67MZ6RkGPNy3vn3ExTwYWe5mF/YvFEetuxy8hWUYBF/fPk9lZsBjAU0JIo6poDM5VD9raVZYUux3sthdZByER7D7nzAoyG7ODttHH+TGr+xYPj8odMVf+L+th0tuPrvzvFHzLDcYXY0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bytedance.com; spf=pass smtp.mailfrom=bytedance.com; dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com header.b=H48Ifsl9; arc=none smtp.client-ip=209.85.210.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=bytedance.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bytedance.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com header.b="H48Ifsl9" Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-717934728adso2282409b3a.2 for ; Sat, 14 Sep 2024 03:32:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1726309960; x=1726914760; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=yoScSacKs8+apMRHN8PMRjEmtp//jkcASgSvFvAksOc=; b=H48Ifsl9Mi+sjKnBeoN3uI4sUCUDqRWSlgRb1MthfWaUSorboOfNxpOIei6sJ0WYHp uxCC9iQza3QYs0bnPby45hYajaFJ5kmsMqkryb8/GDjh6/Z6uVDBMdHErYyC5/+ez4+H j9eg8Ueg/ROzZlveompWIqq/aMJCShCAw4btV3Q9hwvNij3gz0zq8s6PmkEfDgrhcBgG FwVT1qdgR1mIZzo49ZShjAmXjyvxe1uC6m1cXG93tLakFUXr2aR7hOqqcx0BoKbwtj+B ytAq7N4zyAYMDxm8ELu+SYS9hA4Qa8hfuQXt8vjYFPTU4nc8KIBuAhHtNcgaM3hbXM7y Ul6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726309960; x=1726914760; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=yoScSacKs8+apMRHN8PMRjEmtp//jkcASgSvFvAksOc=; b=cZ3i3TNwyI9cgHPSWgwRv7lQBA5cz7GzYDMfqTQctZwSGY51+2Qr7vv3vCSXkxvsGk phJ7vP/bjjqnbwfvqHqXwdQVS599jvmOX4zNIVPfKeXR0N4/6U10kXYVQj7gtPiZqsDQ 5hA++1zxfGe99EclbCiVF8uqJWW7qBKwiNindIekW/mlQp5pGNXxn/xJeHqAWwIcbv4W dXQ+1ZsClqQPddt0Mf/jUeWGoCdnODoqaGkYj/e1booWRQQ8OB4cxCl4yv1UH/IG3KjW yfGfXwWUZfActk9Cd5/LqGw2HNc+m8ZeE6AHM5Utph1HsX0OBldkCvEU1qOqAbiByOPX WY4w== X-Forwarded-Encrypted: i=1; AJvYcCX0HzYokEZlX6Rj0PWrNBeL02nxwGtMzVWmOW5u9BUuqRyODNPW7x//TQBOvTlMfR/wUTiv+VZKUr6wufoVNOA=@vger.kernel.org X-Gm-Message-State: AOJu0YzJifMRexC2D+JUtBY2x116sjsWgaKsMKpNLYa8VoDNyB/ijjOx ruRsVMSb2+BzFdj/giCWf+yFbU9HaFtaJKgXog76bG/WT76zUb8hdbgJOwGeTYg= X-Google-Smtp-Source: AGHT+IHyOQXstBZ/vgJqI3gYOTidc2uIM7hZ/h3P9ag32Q0XCBusk2SPUr0cj7hP+LUn4iRsjuZYeA== X-Received: by 2002:a05:6a21:e8f:b0:1cf:4458:8b0d with SMTP id adf61e73a8af0-1cf75ec54f8mr12394722637.11.1726309959601; Sat, 14 Sep 2024 03:32:39 -0700 (PDT) Received: from C02F52LSML85.bytedance.net ([203.208.167.149]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71944ab50cbsm788332b3a.53.2024.09.14.03.32.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Sep 2024 03:32:39 -0700 (PDT) From: Feng zhou To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mykolal@fb.com, shuah@kernel.org, alan.maguire@oracle.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, yangzhenze@bytedance.com, wangdongdong.6@bytedance.com, zhoufeng.zf@bytedance.com Subject: [PATCH bpf-next v3 0/2] Fix bpf_get/setsockopt failed when TCP over IPv4 via INET6 API Date: Sat, 14 Sep 2024 18:32:24 +0800 Message-Id: <20240914103226.71109-1-zhoufeng.zf@bytedance.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Feng Zhou When TCP over IPv4 via INET6 API, sk->sk_family is AF_INET6, but it is a v4 pkt. inet_csk(sk)->icsk_af_ops is ipv6_mapped and use ip_queue_xmit. Some sockopt did not take effect, such as tos. 0001: Use sk_is_inet helper to fix it. 0002: Setget_sockopt add a test for tcp over ipv4 via ipv6. Changelog: v2->v3: Addressed comments from Eric Dumazet - Use sk_is_inet() helper Details in here: https://lore.kernel.org/bpf/CANn89i+9GmBLCdgsfH=WWe-tyFYpiO27wONyxaxiU6aOBC6G8g@mail.gmail.com/T/ v1->v2: Addressed comments from kernel test robot - Fix compilation error Details in here: https://lore.kernel.org/bpf/202408152058.YXAnhLgZ-lkp@intel.com/T/ Feng Zhou (2): bpf: Fix bpf_get/setsockopt to tos not take effect when TCP over IPv4 via INET6 API selftests/bpf: Setget_sockopt add a test for tcp over ipv4 via ipv6 net/core/filter.c | 7 +++- .../selftests/bpf/prog_tests/setget_sockopt.c | 33 +++++++++++++++++++ .../selftests/bpf/progs/setget_sockopt.c | 13 ++++++-- 3 files changed, 49 insertions(+), 4 deletions(-)