From nobody Wed Nov 27 18:47:00 2024 Received: from mail-pg1-f194.google.com (mail-pg1-f194.google.com [209.85.215.194]) (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 3239A1428E0; Wed, 9 Oct 2024 02:29:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728440956; cv=none; b=mHMipIIAp/KgqJzZZo1WFS4hQ8kmupG81SD9c1flhKyXzCRmPPNEjwjjbeHawnKtez5fsJJt9dPJqhTkbVog5xmQWFQUL/XkaLssLs8nzs/wLaeISA7Ju9gl87U1nMCykCSD1UMBzz9hcZR2svbVsoa/AeAPlNeeTXhj2MW9398= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728440956; c=relaxed/simple; bh=qDSFVKxj5P9OuUbcZh8vXPtfp9NKaBMFgSQrL48vbZk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=cVsl8pw7x2pfv5AWUxIRtJVWfRm6DcAjhzV+39rZsK14Az2t59GK+dMqctasfBbTiFw9SmBg18NCkogq0Ku5p7owFEfzJ3+jnGMz3JvaOxFW9ZiKCI8djHtxhTYFWx5X3+7NZt10NImKkhugRQU7nbVbOc2j6dIVoJfh8b+iQv0= 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=Ukw3WwtA; arc=none smtp.client-ip=209.85.215.194 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="Ukw3WwtA" Received: by mail-pg1-f194.google.com with SMTP id 41be03b00d2f7-7d4f85766f0so5076880a12.2; Tue, 08 Oct 2024 19:29:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728440954; x=1729045754; 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=zLvKfqnfSpZ28mnT6KrdGxzwf8Ry3wsHVE17xRaKj5k=; b=Ukw3WwtAOO/GEVNJjz/58nuIgJDpw+AJ21TLgBrTCil9NINWDPeDYr+5mJZFuECXjs Qg1RMGfISLekNxlkkkcOOHfIk9PWUeWdMwlnmnWVa+/n47vWmgMBYv5JZkPilRWgiuSs jZewM13NRUBZXpvYM6nhKNYMvqtXLhCBt2LBjtge2oYiqriFvL2U/hiYjGLpfDxq2+jS HAM4TECyXU/rGXvBm5Oc1cJfBlULf1ywhDrUSaveHgpq24+sKlomomd1o/fBxB21KH1n d3QfzvG95UoA3+gOjFmFW1VZLYRRrW929nKxuZx7bmZy+6AJ09bqk8P9DPhelgimcPgZ dzJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728440954; x=1729045754; 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=zLvKfqnfSpZ28mnT6KrdGxzwf8Ry3wsHVE17xRaKj5k=; b=JFg7xqMQPdWDnou/2V82wYbkhQOSUPfexIkPUu5azV9Il87FAcRKOnZVEI+5oe4I1S P4Cm+JyGGou3tFzKN+5YXfxV6R0YjANeHSrfaGYXp9QbkFpPq2Zx2LRad6YKstT4HQf7 vuPZD5LXmIXtLssTxkEDc8WD13AE0ddZL2H4Ga6o1U6YN5I2aED6l/p+TedXYqIuRxKK DCYKOorRGoJRs92Rtaieasba8cv1nOjpZu2wWKAmHw3VYUrvxAxUq9KB1TBTZv+Tqc+6 boWJSx1spEqNk9z7EGpJJjKR6wV/BHhRihJHPKB7GcWWVS6Hz3++8tpxdYvkMeclmzT3 vL8w== X-Forwarded-Encrypted: i=1; AJvYcCWcTVzcbeRrEpIXCKwWpRNPE5zyO9KfdRKeMK1XFFREx2sMzrGb8f1Dh3IIzpeQICcxT6oxMuk6Aa6LL5I=@vger.kernel.org, AJvYcCXFt0bHeBqxQtgSYDqNIdCu/gkCCUtJuBc4EqnxiilzL9Xa+aZBrjjXIHmXhH54/h7RnIKsULqI@vger.kernel.org X-Gm-Message-State: AOJu0Yxt0zm752VDzepJFRKAR0lTNtMYBpNP3dDo1+rswGNUwLoeEbul dr0HA/086mRd0bgnaOJULcgz3GzgR/+zzRZ0fCd7SmTswvWp29CR X-Google-Smtp-Source: AGHT+IGNsCMih/0x2kJSzp5T+rkVUOL2c5mZmOtIfCCSq2Q+bvBVe4k6NXxs/YrH7h9b7z+5BMRrGA== X-Received: by 2002:a05:6a21:3a83:b0:1d6:e5ea:f985 with SMTP id adf61e73a8af0-1d8a3bf06cdmr1833623637.12.1728440954454; Tue, 08 Oct 2024 19:29:14 -0700 (PDT) Received: from localhost.localdomain ([43.129.25.208]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e2a5706e8bsm336202a91.18.2024.10.08.19.29.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Oct 2024 19:29:14 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: idosch@nvidia.com, kuba@kernel.org, aleksander.lobakin@intel.com, horms@kernel.org Cc: davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, dsahern@kernel.org, dongml2@chinatelecom.cn, amcohen@nvidia.com, gnault@redhat.com, bpoirier@nvidia.com, b.galvani@gmail.com, razor@blackwall.org, petrm@nvidia.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH net-next v7 01/12] net: skb: add pskb_network_may_pull_reason() helper Date: Wed, 9 Oct 2024 10:28:19 +0800 Message-Id: <20241009022830.83949-2-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241009022830.83949-1-dongml2@chinatelecom.cn> References: <20241009022830.83949-1-dongml2@chinatelecom.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Introduce the function pskb_network_may_pull_reason() and make pskb_network_may_pull() a simple inline call to it. The drop reasons of it just come from pskb_may_pull_reason. Signed-off-by: Menglong Dong Reviewed-by: Simon Horman --- include/linux/skbuff.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 39f1d16f3628..48f1e0fa2a13 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3130,9 +3130,15 @@ static inline int skb_inner_network_offset(const str= uct sk_buff *skb) return skb_inner_network_header(skb) - skb->data; } =20 +static inline enum skb_drop_reason +pskb_network_may_pull_reason(struct sk_buff *skb, unsigned int len) +{ + return pskb_may_pull_reason(skb, skb_network_offset(skb) + len); +} + static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int = len) { - return pskb_may_pull(skb, skb_network_offset(skb) + len); + return pskb_network_may_pull_reason(skb, len) =3D=3D SKB_NOT_DROPPED_YET; } =20 /* --=20 2.39.5