From nobody Thu Nov 28 14:36:10 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 A82981BD4E2; Tue, 1 Oct 2024 07:35:24 +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=1727768126; cv=none; b=s9F74L4xacePMH9CYvurVrFNTtUcpOJ7rl2OnYFouDkm0pvYd2PTEjUhKwXvCHCSzlId6PaLu4P6DEaKi1Pe2Zfuvrvlu331BVPv4dVyWvt+b1l0p3DhhyQ7YmfbYi6ILzFEvDhoa/lJPx5reP7hbStuJgkxzxAVnA2PvoOSEhE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727768126; c=relaxed/simple; bh=t0EIUrCVwE7d2xCGIvjjtdmS38hT+qvdd8x8DzPoNdg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=LDhzBSVueZrOieHDiAQMqt5nJ9PZTiCbQFRKJxMXTjWgrnXMq9LN2oxy9/xvfuoQ0YtdAD2dKzEwTskatY1/r8AEeOn+mXPZs100qrZh0H+oICu6fHvl8dCB4hZE+ap/YCJkAeOYZ8XphwkuS09AlU5yjHsdQux2UjxyMMB5yd8= 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=eWVYy7oE; 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="eWVYy7oE" Received: by mail-pl1-f196.google.com with SMTP id d9443c01a7336-20b95359440so13952045ad.0; Tue, 01 Oct 2024 00:35:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727768124; x=1728372924; 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=D+AhWGVHZRvRgtHPQc2knZ4d8aa8l8HCvTuwUct604k=; b=eWVYy7oELXeflxiI1otfwrQcNbBQSHpmuzlvVXRpuLRCWxsORhLzlz4WxtyhtapgVw Rm7aZI9KF4sN6gAU2RnxI8HpMS85OoFllTKQMqcrfMo+g9kg/nJv3nJDFLq58tJau8Ut VGI0bApw63vjzzorvNrpYAvK023cnjcI/hi5dxVj6G+A32qEqZMFeMJRty5M+Q4jpvJZ 7VFIr6fuDUXhiXT1AeTbmfFdNmEpEaKrHgX6izd4ZAtqUneX4bxxviQ1iB9dyp+16nbX kLTUGN0R1HQw5rCrS4Trd5LofCMJaIAGUMos4Lko21v4JGH78L453ScbHWYVEl5oSqQM fUEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727768124; x=1728372924; 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=D+AhWGVHZRvRgtHPQc2knZ4d8aa8l8HCvTuwUct604k=; b=UqmQfRZoXttf1tPwKPDuuQmsSD97+5FTshIb3wD+O6ZFyKLBpgJ10SqBDBSDW7qg8b dEbj3O6RHZ4nF5TpO0Xp+9hwkukDT5A4yICTON+dL0R62BQM92kCxe3Xouo73vEuAF2i tTmTXkQy0BGVJfU6rG4r4WZHepkWr2O1GanCZ7BAkwU0OUpbhvc8NNXUS2T1SdOPcX3o LNQ9yHHIioVM++hSaoe3ToJMxCA4sn0hRwbhM3ibHXENdB8uEJftfRcahpzRDjMu7Y+3 853Bg1k/n2hYSqCYNSP4PCyfmhAUoAjs88NR8RSBGYfu/f1byQBtLEpr49fYj2Ra5BYN ZcnQ== X-Forwarded-Encrypted: i=1; AJvYcCW1FPOuzFGsUxJoLSXe64z6djj2GbDNl6s/kyPAq7oceDtkhqguufXYFem+QOg5bFCkbjrVdXO7@vger.kernel.org, AJvYcCXHbWdeMMyPwDJ6+iOdihWOzTv1WVRcOvIHhdeDVcyR3AYEDttSLTCt4Vj9GyfbILcga3hDZ0hvuS7BHN8=@vger.kernel.org X-Gm-Message-State: AOJu0Yxe/rA/yjKkcmaW1WyO2HL1Ra/9u1o3m9zNyfPRvzU+dzPIL8/x 5dOIg3K1oPuqCZXX+fBKtex4NlUdJtiGjBfsVl8xMwDFMjS7bo4t X-Google-Smtp-Source: AGHT+IEsxrFj8i3FzQ+cYDwwIPiOt7gSYpMAm6JQrCNDtpLtDqOm5EMzKiHCu/5e5p/0TFZ5sI1Vqw== X-Received: by 2002:a17:902:e945:b0:202:371c:3312 with SMTP id d9443c01a7336-20b37a538ddmr218284095ad.40.1727768123702; Tue, 01 Oct 2024 00:35:23 -0700 (PDT) Received: from localhost.localdomain ([43.129.25.208]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20b37da2667sm64545575ad.102.2024.10.01.00.35.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 00:35:23 -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 08/12] net: vxlan: use kfree_skb_reason() in vxlan_xmit() Date: Tue, 1 Oct 2024 15:32:21 +0800 Message-Id: <20241001073225.807419-9-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" Replace kfree_skb() with kfree_skb_reason() in vxlan_xmit(). Following new skb drop reasons are introduced for vxlan: /* no remote found for xmit */ SKB_DROP_REASON_VXLAN_NO_REMOTE /* txinfo is missed in "external" mode */ SKB_DROP_REASON_TUNNEL_TXINFO Signed-off-by: Menglong Dong Reviewed-by: Simon Horman --- v2: - move the drop reason "TXINFO" from vxlan to core - rename VXLAN_DROP_REMOTE to VXLAN_DROP_NO_REMOTE --- drivers/net/vxlan/vxlan_core.c | 6 +++--- include/net/dropreason-core.h | 6 ++++++ 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c index b083aaf7fd92..3dc77d08500a 100644 --- a/drivers/net/vxlan/vxlan_core.c +++ b/drivers/net/vxlan/vxlan_core.c @@ -2730,7 +2730,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, st= ruct net_device *dev) if (info && info->mode & IP_TUNNEL_INFO_TX) vxlan_xmit_one(skb, dev, vni, NULL, false); else - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_TUNNEL_TXINFO); return NETDEV_TX_OK; } } @@ -2793,7 +2793,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, st= ruct net_device *dev) dev_core_stats_tx_dropped_inc(dev); vxlan_vnifilter_count(vxlan, vni, NULL, VXLAN_VNI_STATS_TX_DROPS, 0); - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_VXLAN_NO_REMOTE); return NETDEV_TX_OK; } } @@ -2816,7 +2816,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, st= ruct net_device *dev) if (fdst) vxlan_xmit_one(skb, dev, vni, fdst, did_rsc); else - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_VXLAN_NO_REMOTE); } =20 return NETDEV_TX_OK; diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h index 0d931a0dae5a..9f6ca70fc470 100644 --- a/include/net/dropreason-core.h +++ b/include/net/dropreason-core.h @@ -96,7 +96,9 @@ FN(VXLAN_VNI_NOT_FOUND) \ FN(MAC_INVALID_SOURCE) \ FN(VXLAN_ENTRY_EXISTS) \ + FN(VXLAN_NO_REMOTE) \ FN(IP_TUNNEL_ECN) \ + FN(TUNNEL_TXINFO) \ FN(LOCAL_MAC) \ FNe(MAX) =20 @@ -439,11 +441,15 @@ enum skb_drop_reason { * entry or an entry pointing to a nexthop. */ SKB_DROP_REASON_VXLAN_ENTRY_EXISTS, + /** @SKB_DROP_REASON_VXLAN_NO_REMOTE: no remote found for xmit */ + SKB_DROP_REASON_VXLAN_NO_REMOTE, /** * @SKB_DROP_REASON_IP_TUNNEL_ECN: skb is dropped according to * RFC 6040 4.2, see __INET_ECN_decapsulate() for detail. */ SKB_DROP_REASON_IP_TUNNEL_ECN, + /** @SKB_DROP_REASON_TUNNEL_TXINFO: tx info for tunnel is missed */ + SKB_DROP_REASON_TUNNEL_TXINFO, /** * @SKB_DROP_REASON_LOCAL_MAC: the source mac address is equal to * the mac of the local netdev. --=20 2.39.5