From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3E9C17BEAD; Tue, 10 Sep 2024 10:20:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725963646; cv=none; b=CQh7KiLSzgfSGLaPAe1ss4pu4yQ2g/l7YYeZs+7wFjgRjhrGlelOoqcioKTFkfabZylgrEP3JQFBiKnSstCPO8nHFZ6yC33JY0EL06eKgN2JqoeTR5FFrTd5K+67bpOYU2l0+DkfdyYBePaiDaiQ55rhgEfuTgRZh5jRymSQKpw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725963646; c=relaxed/simple; bh=US75updc8WxL8RVUWtmwIDAeYO1ZYmLY31XhjjlA9pA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AQrpA2U0ld3EpDU/F/p4KkQYTPbdqhk8gZq+/3PN7i3iIY5ylph+dJDaxBK8I9nO+AXqp5skcqu0UP5VRkmjQNEaXGEqcibjfVM2qxvVsitaVbXCj2pOeCrec7ZXH1TT/acEdFUMCKdmCq+wtF5OEDUG8Ml4J+yG0q7fOi9kprc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DJ8QBZl1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DJ8QBZl1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A3ECC4CEC3; Tue, 10 Sep 2024 10:20:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725963646; bh=US75updc8WxL8RVUWtmwIDAeYO1ZYmLY31XhjjlA9pA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DJ8QBZl1B5cz5Vy2I8eL8K29oiAyjtK4flET2gdELpoBgTo/iQM+eZxrJsms8u4/1 GjCPDbfKNkB4OVa7Odf2Yo4lhhLlDARXIOtQlIeiEb6cQWE7CB33Gfq7lypWu3E8id E6ezV/1OaYt1DdeRmQgFNeHwRJwzjqnH5/5zN63A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Guillaume Nault , Willem de Bruijn , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 129/214] bareudp: Fix device stats updates. Date: Tue, 10 Sep 2024 11:32:31 +0200 Message-ID: <20240910092604.017805880@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240910092558.714365667@linuxfoundation.org> References: <20240910092558.714365667@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guillaume Nault [ Upstream commit 4963d2343af81f493519f9c3ea9f2169eaa7353a ] Bareudp devices update their stats concurrently. Therefore they need proper atomic increments. Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.") Signed-off-by: Guillaume Nault Reviewed-by: Willem de Bruijn Link: https://patch.msgid.link/04b7b9d0b480158eb3ab4366ec80aa2ab7e41fcb.1725031794.git.gnault@redhat.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/bareudp.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 98c915943f32..43d038a5123e 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -75,7 +75,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion, sizeof(ipversion))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } ipversion >>= 4; @@ -85,7 +85,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } else if (ipversion == 6 && bareudp->multi_proto_mode) { proto = htons(ETH_P_IPV6); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else if (bareudp->ethertype == htons(ETH_P_MPLS_UC)) { @@ -99,7 +99,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) ipv4_is_multicast(tunnel_hdr->daddr)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else { @@ -115,7 +115,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) (addr_type & IPV6_ADDR_MULTICAST)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } @@ -127,12 +127,12 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) proto, !net_eq(bareudp->net, dev_net(bareudp->dev)))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } tun_dst = udp_tun_rx_dst(skb, family, TUNNEL_KEY, 0, 0); if (!tun_dst) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } skb_dst_set(skb, &tun_dst->dst); @@ -158,8 +158,8 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) &((struct ipv6hdr *)oiph)->saddr); } if (err > 1) { - ++bareudp->dev->stats.rx_frame_errors; - ++bareudp->dev->stats.rx_errors; + DEV_STATS_INC(bareudp->dev, rx_frame_errors); + DEV_STATS_INC(bareudp->dev, rx_errors); goto drop; } } @@ -455,11 +455,11 @@ static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); if (err == -ELOOP) - dev->stats.collisions++; + DEV_STATS_INC(dev, collisions); else if (err == -ENETUNREACH) - dev->stats.tx_carrier_errors++; + DEV_STATS_INC(dev, tx_carrier_errors); - dev->stats.tx_errors++; + DEV_STATS_INC(dev, tx_errors); return NETDEV_TX_OK; } -- 2.43.0