From patchwork Wed Oct 30 11:31:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Menglong Dong X-Patchwork-Id: 13856397 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pj1-f65.google.com (mail-pj1-f65.google.com [209.85.216.65]) (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 12DAB1E907D; Wed, 30 Oct 2024 11:31:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730287872; cv=none; b=CRVNe7dqoEmMM1sIM4B3Ea0VkYbleL1qW925gf8N4T1wcA34ugc+ajg00vTPyl5MtFFtbE8vKIRFXl/G7L3BhzqjjEzYCeyeJKMqTVcTw/uIODrLmdatf7fFpXAECAXNX7gaF0NGIT0b8LItxbFoUxhzdShcY2swDs9C2o7wPrk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730287872; c=relaxed/simple; bh=TuQA7dPpS8bAGcKBW+pbPNP714DcJshUvyM1zp01fAk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=ik9i1uKjtEjvWwrVEh/z5Zb5rxCYXue9jp01n1xiNERq5tEsXM26siSAPGv4icQjZvU40+FfTd5tzb4YA4IQQbpa5GmQpUpA9VJ/y2vJSjaR1OxZuCwi+yAPekPU1bAt7esE5WsDODSxm38Y6QWm87QhksGXieaYQ7X7wC7Ly4c= 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=Dr2/OAeO; arc=none smtp.client-ip=209.85.216.65 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="Dr2/OAeO" Received: by mail-pj1-f65.google.com with SMTP id 98e67ed59e1d1-2e2bd0e2c4fso5253099a91.3; Wed, 30 Oct 2024 04:31:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1730287870; x=1730892670; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=I2pAE1nQgw4jbrmDxYeWEQDTLjgIt/Rez86CyuKC0C0=; b=Dr2/OAeOhyr1OXsxeeFVzxRn2D7FWUJK3wUF8cquJLg0ajlT70er+oL2bIg17XhxGy syZgJfyTrcd826WZau8/9Dfypuj9ipi2JGjBAJ9W0gTGg+1rNAFGHN9mCUdNtS3Z4qPY Hbpz1cHsL/hGoOprpsWlzFm8KNcu+C5zu4C+49L3QGPTSVm5qMsbQ3A64o3UAvs5hJsz F1HvEnuQWCIqcqF9orNo0igITtzBrchykTmEf39VxiR4JfWHXh5ds8zbkjVU7ichtf5U e26U92OfjUlytgdcwhfKQt2MzWGsRKdjqe12l2Sn7y5UkhgurHY+3XvTuhm5ootZw3zB oyyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730287870; x=1730892670; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=I2pAE1nQgw4jbrmDxYeWEQDTLjgIt/Rez86CyuKC0C0=; b=RA9jCwumfhzTdsCDYTZq/m0izJG2MynA7QEDTsQv+r1Byf593TYk7VTCjxVGt05tdR P8KnnRhU6X1GxuOW+A6dhnh0CnF6AFVHcPu+5VsYISn8vCOWqKFHB+whB1v16lwV/oAA FMbI6IBJFfkFYKwkwxi42eC2w4Vth39KR1WwhxNL9EN7Viw6Nerqo8+oOOaV5D8FvNs2 jHNemUWLloaVJ4qxThaGEmlNOaEgmn4XhxokBn21rnR3GqxTOacJaKdOV7GB0QdwSb0B XPzLr84U8bRvJHmta2dwOW3tkkYe2Q4nhOhecA0Ona+AeKRlQpqndyda+mn/kg80Tew7 dcVg== X-Forwarded-Encrypted: i=1; AJvYcCVsVznEEq8zgWLuCfzDo6lkSI5jh1IadvIlBX1Xgpo0CUy7Ad1f4hJjYRxJku/L/1oIqrrAwCM71qbeC4Y=@vger.kernel.org, AJvYcCWvtdXBDM6ZADaTUAqbddOFQdxFACsDYJEUdGITj3l57UWy5G0pOmIgY7cCFJoRZ1+TEZnDiDrC@vger.kernel.org X-Gm-Message-State: AOJu0YydBieOdBFV71Pd7DhTx1oCMkrC0glov3JodihrT/2efdY59HEh SW65hGGneqN3iLEZs/3GVKFC1RRTB6W++WXZcmE8bWYr+6hy32zu X-Google-Smtp-Source: AGHT+IGpGVKCN90xhTpFCl08VSNFLJNn75cfSQEFN34QoTDwpHEjyS9RmsB2fFr3lggR73yEGDVL0Q== X-Received: by 2002:a17:90a:ba8f:b0:2d8:a744:a820 with SMTP id 98e67ed59e1d1-2e8f11b96a2mr17442528a91.36.1730287870112; Wed, 30 Oct 2024 04:31:10 -0700 (PDT) Received: from localhost.localdomain ([43.129.25.208]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e92fa63967sm1435129a91.32.2024.10.30.04.31.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Oct 2024 04:31:09 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: edumazet@google.com, lixiaoyan@google.com Cc: dsahern@kernel.org, kuba@kernel.org, weiwan@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Menglong Dong Subject: [PATCH RESEND net-next] net: tcp: replace the document for "lsndtime" in tcp_sock Date: Wed, 30 Oct 2024 19:31:08 +0800 Message-Id: <20241030113108.2277758-1-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.39.5 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 The document for "lsndtime" in struct tcp_sock is placed in the wrong place, so let's replace it in the proper place. Fixes: d5fed5addb2b ("tcp: reorganize tcp_sock fast path variables") Signed-off-by: Menglong Dong Reviewed-by: Xuan Zhuo --- include/linux/tcp.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 6a5e08b937b3..f88daaa76d83 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -200,7 +200,6 @@ struct tcp_sock { /* TX read-mostly hotpath cache lines */ __cacheline_group_begin(tcp_sock_read_tx); - /* timestamp of last sent data packet (for restart window) */ u32 max_window; /* Maximal window ever seen from peer */ u32 rcv_ssthresh; /* Current window clamp */ u32 reordering; /* Packet reordering metric. */ @@ -263,7 +262,7 @@ struct tcp_sock { u32 chrono_stat[3]; /* Time in jiffies for chrono_stat stats */ u32 write_seq; /* Tail(+1) of data held in tcp send buffer */ u32 pushed_seq; /* Last pushed seq, required to talk to windows */ - u32 lsndtime; + u32 lsndtime; /* timestamp of last sent data packet (for restart window) */ u32 mdev_us; /* medium deviation */ u32 rtt_seq; /* sequence number to update rttvar */ u64 tcp_wstamp_ns; /* departure time for next sent data packet */