From patchwork Fri May 10 12:24:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Xing X-Patchwork-Id: 13661539 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-il1-f178.google.com (mail-il1-f178.google.com [209.85.166.178]) (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 0A9374F1E5 for ; Fri, 10 May 2024 12:25:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715343914; cv=none; b=pkBffG4ziP9nbZ+wl8Cbrdqs8E3zmAQ5/6L8WV2Q+jEzsXHOOzmJm1dvaNQtsNpyZJkkuFyWOUfYzWSBVcv8aKDWhOVxw0Rg6Xb7nmLfGw6y/dK1amTYwwydpxW3gL5dDb389ZElwQ6s0eINPFAId4YWSF5jEEXt3RIdslxR/k0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715343914; c=relaxed/simple; bh=OrfoT4YOwRlve6mV0AW69N1v9S7JlhMBl+7xYefdoZ4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=riKNffi4xUdk5+xgYaQrDkB6GRzKCczjYgKTCzfX0iawuvl0Ahu/18Irne4FP5F8PcvNQrXPLZ4wP9sx7IhvXzSGLVfOscFY8HByZcP3sMLgQSIgcbCywaRha5mt3nMzpLK38pYiqGmuziWfzYwcf4iCa/2H9zXJd12wK3Jwf54= 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=QwvZMhfL; arc=none smtp.client-ip=209.85.166.178 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="QwvZMhfL" Received: by mail-il1-f178.google.com with SMTP id e9e14a558f8ab-36c6e69180fso7058995ab.3 for ; Fri, 10 May 2024 05:25:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1715343912; x=1715948712; 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=Dq4Oif0buUnA9JqMotGU1jFbPA8b2GKc51i6wlfOjfg=; b=QwvZMhfLeMFpxIMsw2CyerntJUzNbmiHx+MszMZgyD2zNwU7QEHRgoltzzVdEiFjkF ArWKGp5qx/A5NwgNYA2Qsik2cdSaubrL29mQlM9SOVL34a8DAk7rjyPjYftWJv04UqKE dwZsybR2wzHyIfP0pu74AWJnO4Cv4XVFSs6Iq+iF5GhFLGLrheb+a2iI1UY//+5LFEMn BA5XTap3YCKdoLFWcMIQkUzpLUU7xYpY4fO5GbMccI8HOFBc0KU4wUrBLe6d/cfqzzN6 Uqc1vkMQxNFiwetZM+97tXKvOoSqYoC6uKpKA0iI2tUHZaii91vfQK5Bygv+yeFzyOnm jpZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715343912; x=1715948712; 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=Dq4Oif0buUnA9JqMotGU1jFbPA8b2GKc51i6wlfOjfg=; b=jsRuFBImw1ObOSDfrURoSwzI2ALGAqlgiXCbh8kWQ1WUmdRHgjlNETo2F38DBcDehA v+Ww+mRtk2LNVLjVE5CTRQJD/4O4C2Z3OC00mhQgB85iHvHNEK4dElriq2U3DUQv+jp4 pucZwWOMQH7oIAghAC7HOVc3vq6yRTwKHJMKGFGq7lOg3z00IY7g2E6UEV9XfAUNZcxa Zs4Zg2k6sG1tcwFp4y8C0QkpC60MeM5A14fvkWCQVwxXXGWUyH1Zbl4f5NdM85EN/yY7 +7LEfgyb6pyajTuqL9G3zQw3iPAqV6PuJtndd1iF+njfFEjnASVaL+ffArip08G7omRv o8cQ== X-Gm-Message-State: AOJu0YykNhEL+GN7kOtgYEsdENye0/Qv0cwwt+g/fi/fNMlyc0nOwmAe BLW2BdijQ8Vgc1u6t+3WpYV5hjDAB+7IUxxNfrQuGrUN1Thg+7Me X-Google-Smtp-Source: AGHT+IF20w0wZzrB+orUxdMVjA8fPvyGn6djtVPMoKXJaJshCcwSWDQFeBzbXyeQuGcTwcp0DV/xig== X-Received: by 2002:a92:c54b:0:b0:36c:7bdb:c86b with SMTP id e9e14a558f8ab-36cc143a021mr28596025ab.9.1715343911970; Fri, 10 May 2024 05:25:11 -0700 (PDT) Received: from KERNELXING-MB0.tencent.com ([43.132.141.25]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-6340b57f362sm2943530a12.30.2024.05.10.05.25.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 May 2024 05:25:11 -0700 (PDT) From: Jason Xing To: edumazet@google.com, dsahern@kernel.org, kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net Cc: netdev@vger.kernel.org, kerneljasonxing@gmail.com, Jason Xing Subject: [PATCH net-next v2 1/5] tcp: rstreason: fully support in tcp_rcv_synsent_state_process() Date: Fri, 10 May 2024 20:24:58 +0800 Message-Id: <20240510122502.27850-2-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20240510122502.27850-1-kerneljasonxing@gmail.com> References: <20240510122502.27850-1-kerneljasonxing@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Jason Xing In this function, only updating the map can finish the job for socket reset reason because the corresponding drop reasons are ready. Signed-off-by: Jason Xing --- include/net/rstreason.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/net/rstreason.h b/include/net/rstreason.h index df3b6ac0c9b3..f87814a60205 100644 --- a/include/net/rstreason.h +++ b/include/net/rstreason.h @@ -8,6 +8,8 @@ #define DEFINE_RST_REASON(FN, FNe) \ FN(NOT_SPECIFIED) \ FN(NO_SOCKET) \ + FN(TCP_INVALID_ACK_SEQUENCE) \ + FN(TCP_RFC7323_PAWS) \ FN(MPTCP_RST_EUNSPEC) \ FN(MPTCP_RST_EMPTCP) \ FN(MPTCP_RST_ERESOURCE) \ @@ -37,6 +39,17 @@ enum sk_rst_reason { SK_RST_REASON_NOT_SPECIFIED, /** @SK_RST_REASON_NO_SOCKET: no valid socket that can be used */ SK_RST_REASON_NO_SOCKET, + /** + * @SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE: Not acceptable ACK SEQ + * field because ack sequence is not in the window between snd_una + * and snd_nxt + */ + SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE, + /** + * @SK_RST_REASON_TCP_RFC7323_PAWS: PAWS check, corresponding to + * LINUX_MIB_PAWSESTABREJECTED, LINUX_MIB_PAWSACTIVEREJECTED + */ + SK_RST_REASON_TCP_RFC7323_PAWS, /* Copy from include/uapi/linux/mptcp.h. * These reset fields will not be changed since they adhere to @@ -113,6 +126,10 @@ sk_rst_convert_drop_reason(enum skb_drop_reason reason) return SK_RST_REASON_NOT_SPECIFIED; case SKB_DROP_REASON_NO_SOCKET: return SK_RST_REASON_NO_SOCKET; + case SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE: + return SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE; + case SKB_DROP_REASON_TCP_RFC7323_PAWS: + return SK_RST_REASON_TCP_RFC7323_PAWS; default: /* If we don't have our own corresponding reason */ return SK_RST_REASON_NOT_SPECIFIED;