From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) (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 F11814501C for ; Thu, 22 Feb 2024 11:30:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708601429; cv=none; b=prX55lD7mfP3rGZXgEvN8/TWkXfQJftwEV9iaBXNlRQu0GraRag7mm4iG0UpRKWfQ94fYAPrHKQVY7O0bmg66RRxtUsa/rC+r8fD7q/Seiyoo0fo4KKX6iporcUy3oqPiKFdCP5JC1dFhQQt+zlozL0kzwjPZAyUBVt/89+OLW0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708601429; c=relaxed/simple; bh=7Zp7x785+/uhxiU2Ik7D9xJ4gfhXMG38++pvy5SIfvI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=lu3Ksf/dmfMmctQpzQ9YO2iLWpPKxoHQqcXSxkx3VzaF1HMLzl9Jf831yy5anPCFv8Fkd7Uk197IQP7fP8NctUbb0s+l2bWEW/LwIH2Q4ehrZAgskgPqJpmj5+T3rejl+PiA22mlTQyieTZzrI1MBG+TcBnTq8mgzixJmTjAAiw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=gQxV93+L; arc=none smtp.client-ip=209.85.214.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gQxV93+L" Received: by mail-pl1-f177.google.com with SMTP id d9443c01a7336-1dbd32cff0bso39793875ad.0 for ; Thu, 22 Feb 2024 03:30:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1708601427; x=1709206227; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=hMelBBUb7lQfw+CAX9NdYFLemt4g519UfusTQ2lvYJQ=; b=gQxV93+LHpAlFVRiwCFB0a9xallqkaHWqcYUJlyq4IstjTV+te8hkwDZLSzHiHYK2L juuTF3Lejxx8WlRUOFc/WqiCvoUyVEDpfYmAOTz46t9u8NRiEA5dfkOTBA3sp8avzbdz xziGPb/AyIalvnauV71MmCO5xGaRg/Ra9BGHXZVKPGnIF4DrRHmdxnEZEuixlCsNE+mP lvF55GPllLA/19iaymhvP+G9c7YlMrKItCfgxdL+7kEm8AjgRPnSmjcpchdFH0UKzU8l mGAulSxNV+53IPtcwBU64iAjwzOPwZ9EicII4nRiRGdWSZT/ob5IYQfbXokqSujBkmu5 KqUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708601427; x=1709206227; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=hMelBBUb7lQfw+CAX9NdYFLemt4g519UfusTQ2lvYJQ=; b=lkAfuyc98+7gZakBTvMYpgDkCYAxcjBamuD7SOfJjkf5Aja8sQKlaAj5e1kndC328n MJGrfwUqZvpvADJFrjROB/mhZGVCQV4amNg35M6LTYfO84Y0eELomd/AoXjdKRNXCz9M fVWyQPfe0LL7p/EtFBGjAK1Sff2cxgOY5GvDFnJAgQDr27qmVODIzk8uYxTgGa77WtYa nNe970/vem2zf2eZdsB8jDYFiiW45GT0v6N4+NuFaRNtYVwtHAHeCk7bwgg2ONlQVS6t oCfv07Esw0V5VGd0CFoLMkmcWfG3SWtlIi7+h8w5hJNZAQrLMGDjuFrUsbJG7uLo/COg x2Kg== X-Gm-Message-State: AOJu0Yyxnj9hrWOyKmfpzr4G1+ymblABHSidpw4W11gWVelMecWotKVo T8Y1/izfie3GqBmWoq19y8wzyXfGJpZA3UlTzKa7PE0ZRUYseuqd X-Google-Smtp-Source: AGHT+IHb3p0/C1nTmvMihu07POztlAzO3q8bzxp76+9fEhLBHv44elySLXQ84Jo6PtaQUoPjBY2Htg== X-Received: by 2002:a17:903:452:b0:1d0:b1f0:1005 with SMTP id iw18-20020a170903045200b001d0b1f01005mr17556253plb.63.1708601427188; Thu, 22 Feb 2024 03:30:27 -0800 (PST) Received: from KERNELXING-MB0.tencent.com ([43.132.141.23]) by smtp.gmail.com with ESMTPSA id b3-20020a170902a9c300b001dc0955c635sm5978637plr.244.2024.02.22.03.30.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Feb 2024 03:30:26 -0800 (PST) From: Jason Xing To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, dsahern@kernel.org, kuniyu@amazon.com Cc: netdev@vger.kernel.org, kerneljasonxing@gmail.com, Jason Xing Subject: [PATCH net-next v8 06/10] tcp: introduce dropreasons in receive path Date: Thu, 22 Feb 2024 19:29:59 +0800 Message-Id: <20240222113003.67558-7-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20240222113003.67558-1-kerneljasonxing@gmail.com> References: <20240222113003.67558-1-kerneljasonxing@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jason Xing Soon later patches can use these relatively more accurate reasons to recognise and find out the cause. Signed-off-by: Jason Xing -- v7 Link: https://lore.kernel.org/all/20240219044744.99367-1-kuniyu@amazon.com/ 1. nit: nit: s/. because of/ because/ (Kuniyuki) v5: Link: https://lore.kernel.org/netdev/3a495358-4c47-4a9f-b116-5f9c8b44e5ab@kernel.org/ 1. Use new name (TCP_ABORT_ON_DATA) for readability (David) 2. change the title of this patch --- include/net/dropreason-core.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h index a871f061558d..af7c7146219d 100644 --- a/include/net/dropreason-core.h +++ b/include/net/dropreason-core.h @@ -30,6 +30,7 @@ FN(TCP_AOFAILURE) \ FN(SOCKET_BACKLOG) \ FN(TCP_FLAGS) \ + FN(TCP_ABORT_ON_DATA) \ FN(TCP_ZEROWINDOW) \ FN(TCP_OLD_DATA) \ FN(TCP_OVERWINDOW) \ @@ -37,6 +38,7 @@ FN(TCP_RFC7323_PAWS) \ FN(TCP_OLD_SEQUENCE) \ FN(TCP_INVALID_SEQUENCE) \ + FN(TCP_INVALID_ACK_SEQUENCE) \ FN(TCP_RESET) \ FN(TCP_INVALID_SYN) \ FN(TCP_CLOSE) \ @@ -204,6 +206,11 @@ enum skb_drop_reason { SKB_DROP_REASON_SOCKET_BACKLOG, /** @SKB_DROP_REASON_TCP_FLAGS: TCP flags invalid */ SKB_DROP_REASON_TCP_FLAGS, + /** + * @SKB_DROP_REASON_TCP_ABORT_ON_DATA: abort on data, corresponding to + * LINUX_MIB_TCPABORTONDATA + */ + SKB_DROP_REASON_TCP_ABORT_ON_DATA, /** * @SKB_DROP_REASON_TCP_ZEROWINDOW: TCP receive window size is zero, * see LINUX_MIB_TCPZEROWINDOWDROP @@ -228,13 +235,19 @@ enum skb_drop_reason { SKB_DROP_REASON_TCP_OFOMERGE, /** * @SKB_DROP_REASON_TCP_RFC7323_PAWS: PAWS check, corresponding to - * LINUX_MIB_PAWSESTABREJECTED + * LINUX_MIB_PAWSESTABREJECTED, LINUX_MIB_PAWSACTIVEREJECTED */ SKB_DROP_REASON_TCP_RFC7323_PAWS, /** @SKB_DROP_REASON_TCP_OLD_SEQUENCE: Old SEQ field (duplicate packet) */ SKB_DROP_REASON_TCP_OLD_SEQUENCE, /** @SKB_DROP_REASON_TCP_INVALID_SEQUENCE: Not acceptable SEQ field */ SKB_DROP_REASON_TCP_INVALID_SEQUENCE, + /** + * @SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE: Not acceptable ACK SEQ + * field because ack sequence is not in the window between snd_una + * and snd_nxt + */ + SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE, /** @SKB_DROP_REASON_TCP_RESET: Invalid RST packet */ SKB_DROP_REASON_TCP_RESET, /** -- 2.37.3