From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-80007.amazon.com (smtp-fw-80007.amazon.com [99.78.197.218]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF16A19FA9D for ; Fri, 11 Oct 2024 23:32:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=99.78.197.218 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728689553; cv=none; b=g5QOzBvQlj/5mCjG2imKd5vPH9PZpv3zV3ZF+D4Xkns+r2l+A+zQzHZm40s21CUvwZwRAwZIznLiTBKc/huSKs9kRklHHvROkuumQQavso40h5LImvi5UrVQw/TfcoRvI5pU+EVNEJ5wDJimMsQeMikFCtipGUggqBrRjZsfeUA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728689553; c=relaxed/simple; bh=c+43XaY99vf0NaQ6G0JDSKvIAVF50buufdx6tRkJfGg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CTweGYLSvptspf9BuCvKxkKR2ZfrsAErC5pbb9uyNPnRu16lbpW/KlCRiw1oiZyee6tyex5nCyE6Fji212lwYuUqPNv5jS0iIsuDGc24V9pfTpr4G4YEsE65yF58bq7DfuQTsXw5GDb1n40yNauFRhsLQQVYmn6ngQ2j0lQJa/I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.co.jp; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b=f0gMZqLT; arc=none smtp.client-ip=99.78.197.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.co.jp Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="f0gMZqLT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1728689552; x=1760225552; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1SG2Plwc9G3X0HHH0DUw7NEknvLnKuy8PQYiQCNLxVA=; b=f0gMZqLTyu5C1oLf3w/6vgCb7gabOA9I0tftojQjuTKT2IRSThHXIsFf pHgGmImt5pFRAvH9lvgrWcMWIgFVn2ai0lXWIMGfzgG+RdzK82+JjBsk3 3QgnrAcEdziI1cuKiw7r72H19w58SeI7pTnzjR3j/p1HijsVRmSrNxoAB 8=; X-IronPort-AV: E=Sophos;i="6.11,197,1725321600"; d="scan'208";a="342396253" Received: from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.210]) by smtp-border-fw-80007.pdx80.corp.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2024 23:32:31 +0000 Received: from EX19MTAUWB001.ant.amazon.com [10.0.21.151:10709] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.20.142:2525] with esmtp (Farcaster) id b8081d95-b7ca-42c5-92ee-bb38b4b19660; Fri, 11 Oct 2024 23:32:30 +0000 (UTC) X-Farcaster-Flow-ID: b8081d95-b7ca-42c5-92ee-bb38b4b19660 Received: from EX19D004ANA001.ant.amazon.com (10.37.240.138) by EX19MTAUWB001.ant.amazon.com (10.250.64.248) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Fri, 11 Oct 2024 23:32:30 +0000 Received: from 6c7e67c6786f.amazon.com (10.106.100.8) by EX19D004ANA001.ant.amazon.com (10.37.240.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.35; Fri, 11 Oct 2024 23:32:27 +0000 From: Kuniyuki Iwashima To: CC: , , , , , , , , Subject: Re: [PATCH v3 net-next 4/5] ipv6: tcp: give socket pointer to control skbs Date: Fri, 11 Oct 2024 16:32:23 -0700 Message-ID: <20241011233223.53340-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20241010174817.1543642-5-edumazet@google.com> References: <20241010174817.1543642-5-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D036UWC003.ant.amazon.com (10.13.139.214) To EX19D004ANA001.ant.amazon.com (10.37.240.138) From: Eric Dumazet Date: Thu, 10 Oct 2024 17:48:16 +0000 > tcp_v6_send_response() send orphaned 'control packets'. > > These are RST packets and also ACK packets sent from TIME_WAIT. > > Some eBPF programs would prefer to have a meaningful skb->sk > pointer as much as possible. > > This means that TCP can now attach TIME_WAIT sockets to outgoing > skbs. > > Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima