From nobody Thu Nov 28 14:36:36 2024 Received: from mail-pl1-f196.google.com (mail-pl1-f196.google.com [209.85.214.196]) (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 A458C21373; Tue, 1 Oct 2024 07:34:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.196 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727768087; cv=none; b=OTtkxr85Aom2Uq3yZ8Jou2NRywG7JzpG7OSS4V+MQsGmjhBYpr4ApJP2MtJ6xRC6hnBjOcEgg9GcM1by3J2500uk9elulyawr+q3Wz5Ly9m+/+802/IxfXgbKgjNaD2MHSyBJtDGeHks8KR7kY8jdeNMtIAsHvN9ddChfDJRmK4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727768087; c=relaxed/simple; bh=JBRdn6lcWQQqA+78Zj5tgLu0QHhEr7otA+mjf1g+Jaw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HMWk341Z1MUE6TwpAS3IFe8QkbEJMkP+4acNVIJRTJ74qHSHa0PVrHXUFPSAfftnl4dBDI0VHRcYAjteQoDzyAn4o1+T0T/HvanLWu9fyyqHy7pw7Re6YW1nstFLEkFakxon3Yc2vjwkd4Zu3XxeWERnNv3X6Txwwc81aZJvK1M= 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=l/wtiZN0; arc=none smtp.client-ip=209.85.214.196 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="l/wtiZN0" Received: by mail-pl1-f196.google.com with SMTP id d9443c01a7336-20b93887decso14230035ad.3; Tue, 01 Oct 2024 00:34:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727768085; x=1728372885; 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=fmrCBAr6gJsJ0RdHov3Wc0QJ/uFtz7BMKr05A4sbzbQ=; b=l/wtiZN0LRjMSiBTMx4y1yZHlcaqmEOAopWJpvhq4z2rOoa//4EgjptV+5b5Bf2NS7 Fo8BY4t0QpLq8DTfrFPeDWfiwhuOGFdSA6E+qz0QjXrRjKbfo4DFONjNxbaPE2mrg6MG i0rmTtNLYO3+IfsX5EmlF9xyE6Mj7+Cz/uqAXKTSNPzDCsNU5x2hz7l1gC5kfuVt5I30 1K+HSj6Q8C3SqCR7LAHMOmMF8UgzQKORgm1f+Du5J0TB0X2b9xmkAdSUUE76G0d3JBVf zUAVVRiUqJMGHbIBCBVxW044aMFJMzBhhjvhzgr6U2YwVU4O4QH6HdWRz7JzIsokH/fc OCXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727768085; x=1728372885; 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=fmrCBAr6gJsJ0RdHov3Wc0QJ/uFtz7BMKr05A4sbzbQ=; b=cu0kEv2U4Q63MQtCh7y76QKMzJn5yYha/QH0vqQbruJVWBVqmQfnUTG+sZ2FBe8VsW jJTkP4PLY94Um7mqpr90EdWnS2If/KxhATSpT+sR+i0P8jpe5ODqgStrWiKPz3RYryQ5 7pJBlY5lqnkcWZWe6ad/mfrV5+vr18LCLgT16Cqek87hhG9jYrLeFePI89BhidCW7mYU /bESwXk04IZw1iz18VOtnDP/cbruCPs+5L1kRoYsIKEzktNFKZ7Z30erDpq9VH4vfqMs 3cooNJRZfT+/2YdZNpR4tpLfj+/QykT/ZUJRoc52BD5lUh4scFZbZQ+9KUZsTXfU5N2Q V/Iw== X-Forwarded-Encrypted: i=1; AJvYcCWj/Ce+EJrlEXD8+UoSJKqrG7ulJXa54TrfVM3nExAberYLO4kR2ym26DV97YJgstgbzy31r7CIf9Q8/Es=@vger.kernel.org, AJvYcCXHTt+5rC8yIIdNwPYSmGTx3udzXY0Fh2j48/92mL555dIaoAhdQ/0bd67NHunZi3aZXtL4l5VN@vger.kernel.org X-Gm-Message-State: AOJu0YyGSl2Zwj+Im1Y2S3GEaCUICxW0SVTxWn9naVuV91/71l2NPf7j 2AD9m4FmcIoztwxRPbhGrzOLHY1CH04J1HNp4C93oACvd029R1Gj X-Google-Smtp-Source: AGHT+IGv0H5OKHw0O2/rvRLwE3zCutemhqxw8UYFTNkB9h/GTuSbwTLlFZvbx2VM6a0B4fo3awml3w== X-Received: by 2002:a17:902:ef51:b0:205:4e15:54c8 with SMTP id d9443c01a7336-20b37bd5230mr190110535ad.61.1727768084855; Tue, 01 Oct 2024 00:34:44 -0700 (PDT) Received: from localhost.localdomain ([43.129.25.208]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20b37da2667sm64545575ad.102.2024.10.01.00.34.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 00:34:44 -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 v4 01/12] net: skb: add pskb_network_may_pull_reason() helper Date: Tue, 1 Oct 2024 15:32:14 +0800 Message-Id: <20241001073225.807419-2-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241001073225.807419-1-dongml2@chinatelecom.cn> References: <20241001073225.807419-1-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