From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) (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 9C192168 for ; Thu, 24 Jun 2021 12:02:51 +0000 (UTC) Received: by mail-pj1-f52.google.com with SMTP id bv7-20020a17090af187b029016fb18e04cfso5359555pjb.0 for ; Thu, 24 Jun 2021 05:02:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=XDJgXtBkUY421fo7JUnByISUUbMYOQgruSA4ckDnvbM=; b=px+xpxDpYqfcE85Pu5ic1krHJKfOfzGvZCu68n48h+HwoE1rkupuTta1PeGLaA0lhW 8sBNkHZWXxqJniMwegl9tkp/9JPKY2WJHhMvyWFyXbmJez7pdvdv8JoQe8bA4lHvC8Wa L77amcBYkKwNo5TEUNw3r6E4hXPYYWHzjDktr81S/9TF7dPRd6WsJihgT8kIAh/EMxi+ HeSDy9A+/eRugczhgiDelQJ+aztZs70hrWPlI0LLaHw60oDnRGWsyRMOFe/pg9fUw0rb ldAaBGhmwRnWaJ1ueBqMgkcu6kGXAWwJ06zOeWsXuYIhr7tYgS8SrHTc0AH7xDsiHQU0 eAlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=XDJgXtBkUY421fo7JUnByISUUbMYOQgruSA4ckDnvbM=; b=jVL0H5yW1pFLUJ09VDGDVsxAQmivm68WBfGr+GB4oVGTlt2KG8RTdiwsypHNU4hzR5 coRkva90xcnjwPXvkNP5/LSVTNHPTjAQtYKVLIlqU+AS+sLpm70itW658aXIR3mrmWdw Y8w1zVcghQ4ygmZf9SJtJJpu4KFaVQNwD9Irw7ohYmbHDvjZswfKaq8FLvqXM3wNP5jV pmkTaa9e4shHeZk1eoRkalcskSlUMJuvRNpHCX2DDUYpMB63k9iLZrLdwIly+qzLhF4e w9gSTUKC6kl+Z1fsXkPpMcb26RfXQ4Nj+WM1hLr+fSV1prwd3qeidf3CftsWcJx9dzRq m25g== X-Gm-Message-State: AOAM531hiEnXuFqSYWK4vNo3eLYCw4DzSSpEOg9Otj6SFsKbNWI+Liau fL6bKFSVdeAVPXeWYrewf1Zr4PiX+5Aw9Q== X-Google-Smtp-Source: ABdhPJywSinii0cTkAY6r7jnASePdOSUnDc5rJaQzvHMKLv65jMzKX0y8P1i87HO18mcUfUvl6z4dQ== X-Received: by 2002:a17:90a:d3d2:: with SMTP id d18mr15113684pjw.102.1624536171074; Thu, 24 Jun 2021 05:02:51 -0700 (PDT) Received: from MiBook.. ([209.9.72.213]) by smtp.gmail.com with ESMTPSA id h24sm2863824pfn.180.2021.06.24.05.02.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jun 2021 05:02:50 -0700 (PDT) From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [MPTCP][PATCH v2 mptcp-next 0/5] MP_FAIL support Date: Thu, 24 Jun 2021 20:02:41 +0800 Message-Id: X-Mailer: git-send-email 2.31.1 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit v2: - MP_FAIL logic: * Peer B send a DSS to peer A, and the data has been modify by the middleboxes, then peer A detects the bad checksum. * In the multiple subflows case, peer A sends MP_FAIL+RST back to peer B, and peer A discards the data following the bad data sequence number. Peer B receives this MP_FAIL+RST, and close this subflow. * In the single subflow case, using the simple implementation, peer A sends MP_FAIL back to peer B, and peer A fallback to a regular TCP. Peer B receives this MP_FAIL, and fallback to a regular TCP. - apply: export/20210624T054331 Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/52 Geliang Tang (5): mptcp: MP_FAIL suboption sending mptcp: MP_FAIL suboption receiving mptcp: send out MP_FAIL when data checksum fail mptcp: add the mibs for MP_FAIL selftests: mptcp: add MP_FAIL mibs check include/net/mptcp.h | 1 + net/mptcp/mib.c | 2 + net/mptcp/mib.h | 2 + net/mptcp/options.c | 63 ++++++++++++++++++- net/mptcp/pm.c | 14 +++++ net/mptcp/protocol.h | 19 ++++++ net/mptcp/subflow.c | 16 +++++ .../testing/selftests/net/mptcp/mptcp_join.sh | 38 +++++++++++ 8 files changed, 154 insertions(+), 1 deletion(-) -- 2.31.1