Development discussion of WireGuard
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From: Xiao Liang <shaw.leon@gmail.com>
To: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
	Kuniyuki Iwashima <kuniyu@amazon.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Donald Hunter <donald.hunter@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	David Ahern <dsahern@kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Ido Schimmel <idosch@nvidia.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	Simon Horman <horms@kernel.org>, Shuah Khan <shuah@kernel.org>,
	Jiri Pirko <jiri@resnulli.us>, Hangbin Liu <liuhangbin@gmail.com>,
	linux-rdma@vger.kernel.org, linux-can@vger.kernel.org,
	osmocom-net-gprs@lists.osmocom.org, bpf@vger.kernel.org,
	linux-ppp@vger.kernel.org, wireguard@lists.zx2c4.com,
	linux-wireless@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org,
	bridge@lists.linux.dev, linux-wpan@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH net-next v4 1/5] net: ip_tunnel: Build flow in underlay net namespace
Date: Mon, 18 Nov 2024 22:32:40 +0800	[thread overview]
Message-ID: <20241118143244.1773-2-shaw.leon@gmail.com> (raw)
In-Reply-To: <20241118143244.1773-1-shaw.leon@gmail.com>

Build IPv4 flow in underlay net namespace, where encapsulated packets
are routed.

Signed-off-by: Xiao Liang <shaw.leon@gmail.com>
---
 net/ipv4/ip_tunnel.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 25505f9b724c..09b73acf037a 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -294,7 +294,7 @@ static int ip_tunnel_bind_dev(struct net_device *dev)
 
 		ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr,
 				    iph->saddr, tunnel->parms.o_key,
-				    iph->tos & INET_DSCP_MASK, dev_net(dev),
+				    iph->tos & INET_DSCP_MASK, tunnel->net,
 				    tunnel->parms.link, tunnel->fwmark, 0, 0);
 		rt = ip_route_output_key(tunnel->net, &fl4);
 
@@ -611,7 +611,7 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 	}
 	ip_tunnel_init_flow(&fl4, proto, key->u.ipv4.dst, key->u.ipv4.src,
 			    tunnel_id_to_key32(key->tun_id),
-			    tos & INET_DSCP_MASK, dev_net(dev), 0, skb->mark,
+			    tos & INET_DSCP_MASK, tunnel->net, 0, skb->mark,
 			    skb_get_hash(skb), key->flow_flags);
 
 	if (!tunnel_hlen)
@@ -774,7 +774,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 
 	ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr,
 			    tunnel->parms.o_key, tos & INET_DSCP_MASK,
-			    dev_net(dev), READ_ONCE(tunnel->parms.link),
+			    tunnel->net, READ_ONCE(tunnel->parms.link),
 			    tunnel->fwmark, skb_get_hash(skb), 0);
 
 	if (ip_tunnel_encap(skb, &tunnel->encap, &protocol, &fl4) < 0)
-- 
2.47.0


  reply	other threads:[~2024-11-18 16:28 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-18 14:32 [PATCH net-next v4 0/5] net: Improve netns handling in RTNL and ip_tunnel Xiao Liang
2024-11-18 14:32 ` Xiao Liang [this message]
2024-11-18 14:32 ` [PATCH net-next v4 2/5] rtnetlink: Lookup device in target netns when creating link Xiao Liang
2024-11-18 14:32 ` [PATCH net-next v4 3/5] rtnetlink: Decouple net namespaces in rtnl_newlink_create() Xiao Liang
2024-11-18 14:32 ` [PATCH net-next v4 4/5] selftests: net: Add python context manager for netns entering Xiao Liang
2024-11-18 14:32 ` [PATCH net-next v4 5/5] selftests: net: Add two test cases for link netns Xiao Liang
2024-11-19  3:07 ` [PATCH net-next v4 0/5] net: Improve netns handling in RTNL and ip_tunnel Jakub Kicinski

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