From owner-freebsd-net@freebsd.org Sat Nov 3 13:33:37 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DF73D10FE20B for ; Sat, 3 Nov 2018 13:33:37 +0000 (UTC) (envelope-from vachhanihpavan@gmail.com) Received: from mail-it1-x12a.google.com (mail-it1-x12a.google.com [IPv6:2607:f8b0:4864:20::12a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 768F682D1B for ; Sat, 3 Nov 2018 13:33:37 +0000 (UTC) (envelope-from vachhanihpavan@gmail.com) Received: by mail-it1-x12a.google.com with SMTP id k206-v6so6915456ite.0 for ; Sat, 03 Nov 2018 06:33:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=mWMhjZnPwR7jDFDcxp6NDe8ppQApWGvzvQjrDqP8Clg=; b=X31cTOXZFOO4+NJw9ds0StuVV97QsmCHCeuLd6SJz+rQvLnemAQMK2r9HpPu4ViqdU M7x6hqsP6MlwN3s+w5KPCG52m0vqDss3fuOGOFgp8aSceqKTwgi4EI0ZIDQxXJ5ekFPF OxnXA+oq/AAr96TmdAXeqSXcd+bzdlBmuc9HSDJ/WnwG4qRoGYodmoUGfkSfGoSnMRVK RxPsb/0TD0Pu7ZD7CpOIBHyyBXGCkUA5gippWswKMSmHwzDl5oruZEycJ1S+KtiJhBbB 5RTh8ugJpNt5HeLa7u7WLAseT+NjTzhCP8NOf081VSx8+jagRzEQol97FMh6/F+DnTlj XjeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=mWMhjZnPwR7jDFDcxp6NDe8ppQApWGvzvQjrDqP8Clg=; b=Dq7ltRYvPyEIvcrOGo9JgjlKg2z5uK125YhV+lcAkbclL0jmUqb/Seww5/UuD/CEHN jEAYj7mBcv6eKZgc7CTmo/JgzWxuxxRGvr5E5dLKVvtbOQr0I6mv8Tvk9T1OWKaYnXIN 5jBqGPWPaAo5vmQfDjynNt2ARGfxSforMrjsvYQ3ZFkDcinwEJqI/XE8Q4Jv6B+AVkoJ HxzZWWp8dNxa9vCvGrEi+8sOUtyo/VHAHc2OdcFtPlPL1OeQa53wsh/+JKbvR3eMUYIw 2McaDi79JBwSfu74dmjjGtaekGsh89N4aPwyvU0SHOLCFzBEF9C4SC7TeE3ODjW7c2tp /XwQ== X-Gm-Message-State: AGRZ1gLV1zKg9stmmRoPBV8I61TC0YVEk2Fey60Rf4n3Y9CgyYnoEw7l +UHnGPfBOSm6g2TmOIdN5iBWcOwWLu/kg9qKtFtk4w== X-Google-Smtp-Source: AJdET5fest0fqb3i59CR99ZXQrKZtbCaiHM8XE+lhgCN5NyY/ZgAvs4+Eul7xM0n59Ft3Co/3tiGrGGk0o4jr2TdOmA= X-Received: by 2002:a24:81d7:: with SMTP id q206-v6mr855689itd.94.1541252016518; Sat, 03 Nov 2018 06:33:36 -0700 (PDT) MIME-Version: 1.0 From: Pavan Vachhani Date: Sat, 3 Nov 2018 19:03:25 +0530 Message-ID: Subject: ECN+ Implementation To: freebsd-net@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Nov 2018 13:33:38 -0000 Hi, I am trying to implement ECN+ (rfc5562 ) in FreeBSD. I am not able to figure out the code where SYN and SYN+ACK is sent and received. Please guide me to correct part of code. It was looking into tcp_input.c and tcp_output.c but couldn't get it for sure. Sorry for simple questions, I am a beginner. Thanks in advance.