From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (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 6B9472EA492; Tue, 22 Jul 2025 13:51:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753192271; cv=none; b=I0OnNd6iT7z5GrChF9QqoLDgW/hjnubNg8Dc9rYWluDfHdCFO3pIPQkXH1LOKxmCa30Qy8X93AvxGjBwsxSlpLNKVo8TwZDnI+2PUwab7GUkE4BZL9jWx5ad2Ya9yl95I2R6BJXRypo7imVqt81hHzWFXwf2X7dEZXubKBuZ4Y4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753192271; c=relaxed/simple; bh=i2PVxXB2OKPFf543e/FW9U9vSXKo+dky0ufvrl3J1b8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=kwGtrcsyFT3TYVfFdJ6zcXisOik1fNZW+CcvXZTeTJYmRi5Pna5NKp7Rbg0HAJm1THslo5tffDHk1AsLyzsRJoY9gfB+UdyGeyNbrY4Miw/RtVXHuO+TrivNNj37RWNZxCgEguMdxOH3tDTZKeihNgvxrg7LrkG5xCd+LIdF0Tw= 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=XJdZt6CN; arc=none smtp.client-ip=209.85.210.179 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="XJdZt6CN" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-74801bc6dc5so5276343b3a.1; Tue, 22 Jul 2025 06:51:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1753192270; x=1753797070; 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=2fY9g9SUYOdjTN++Th4P+LF8gvoDANBHyDfHKNyK83k=; b=XJdZt6CNDdQiRs0HwgxGbNSF2sPQHTpCW0gCQpSluxJPkhd+DpuP7hDBPS5IK8KTOx veXQ3sHr4BPb+Abizi6KOJ9gR11qobGNbqMZMaXci6bboyam4Kc87Atsa8b7MfmfzUqZ /u56J+o3xf3muT6J0oxipL7st0gPKQmdfG/JKPy5YX8fDGXsiyb+TR58Cu6Nw9+9jdLU Y/gUMWxXzlBAXdnAV/qOljq3oT9rxKgx0yGZK0P5xPaoZUEY0JgLqjwqpORmAEdkeuoI HTXvFAz65wiuepZtixqCKnc6WN0HSpihXjHxki3aVdyJfaubM+LuaIXpPHRzFgv90ckC 0jfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753192270; x=1753797070; 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=2fY9g9SUYOdjTN++Th4P+LF8gvoDANBHyDfHKNyK83k=; b=XW1iOa9Wwwf/u1ljQe9qSqjJHohnhy/WTKREBuYblWDl8su8HzadBCe/SMN0RFYd4T t+T5fHwklag0GZoKgFdmRjdrfBPahklhO2VF82zSp/ReCPdXEh8SutKy3IGKWtFyMMyJ Qw7RXsl97ukOcPSIpwgFkUhCNZ1Y65xg70tT+X12djztDovqh+1Y3HlSru2VjUOXJlpJ VmBcIqodB0FyJyqPMdoCm0PuriBRgkbya1TYOdL9+b1D50Ge3raCpNdD/Xxt6DcdG1ey 85eD3U7wIcML+dcdw2k8e1ujQ9pPvfDmWtIh/O3qtBugEVs1mN2tTo4G09MM9zd9NaCA Kzmg== X-Forwarded-Encrypted: i=1; AJvYcCU98fWFCaLM722O5aLjSJoJ+u/QGTi6IGoMWCwG278MtAk7GKI6XlbjhKI5xJgOzAnUqMg=@vger.kernel.org, AJvYcCWZHP3KFLNmzpJgh5oOjGjyIGXcIFRpX+w2Y+FypEY+a5m6hfgTgUjkdgprl0goOR0SZQ/aAOMU@vger.kernel.org X-Gm-Message-State: AOJu0Yx23y8fUEKUcOMx0amqN/Rg+O9aSq4IeALWEvte0161QRqifhd8 6/aY4L5ty+JRcNMLouk7O5N3aZY94wYM7sUxOFQk9outfU9VkG97Guf2 X-Gm-Gg: ASbGncu2lRqUDxqhM4/NJ+Wm2VdztrT9+qjoWcAS/NEJaPMZRBB2U0Lbyn1UZNpW7jM OUDjZKTJ1iA5+lP//ZXtoltSLzkpZprpqgAqjwOZzImCQirFc5ivtVgp1K7+oPjyy5cdjMM6kTb Z5exF0U5DloVMSupk2Po5JrvnA70T/CvRpnuzKqCs7OPYmQQ/Rs1769G7UazIzTwxuz3y1f14Tz I3EftbD6y3Aqfg1J/h1Bbgwispe608bSRPO+IFE111RF+5o3Up+JCFA2y5h4t0+MkrlvPkpwxAE UyrnvzUKEVsLcmx9TWF1LvXyUNdUwE2atkIjQ6SABrr5ffuZbCgX8vjYT3TQ3BqF0vpYmf7QWyl iyAr/2CNJDFJ8KFSj9RBBEBJGR/RkS0jav9nOc6Mml5TAchsSlmtNmvt8snY= X-Google-Smtp-Source: AGHT+IEC7MH2AMxJZ5WkicvhVYJVAhylhlNJ6cko9YL2g8e/+t2DT7nDz5Xt6lw7DtJ3bGk2tVlpSw== X-Received: by 2002:a05:6a00:1817:b0:736:5969:2b6f with SMTP id d2e1a72fcca58-75ed156d03bmr4420911b3a.6.1753192269548; Tue, 22 Jul 2025 06:51:09 -0700 (PDT) Received: from KERNELXING-MC1.tencent.com ([111.201.24.59]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-759c89d3190sm7612924b3a.39.2025.07.22.06.51.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Jul 2025 06:51:09 -0700 (PDT) From: Jason Xing To: anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, bjorn@kernel.org, magnus.karlsson@intel.com, maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com, sdf@fomichev.me, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com Cc: linux-stm32@st-md-mailman.stormreply.com, bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, Jason Xing Subject: [PATCH net v2 0/2] xsk: fix underflow issues in zerocopy xmit Date: Tue, 22 Jul 2025 21:50:55 +0800 Message-Id: <20250722135057.85386-1-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 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 Fix two underflow issues around {stmmac_xdp|igb}_xmit_zc(). Jason Xing (2): stmmac: xsk: fix underflow of budget in zerocopy mode igb: xsk: solve underflow of nb_pkts in zerocopy mode drivers/net/ethernet/intel/igb/igb_xsk.c | 3 +-- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) -- 2.41.3