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[net-next,v4,1/5] net: ip_tunnel: Build flow in underlay net namespace

Message ID 20241118143244.1773-2-shaw.leon@gmail.com (mailing list archive)
State New
Delegated to: Johannes Berg
Headers show
Series net: Improve netns handling in RTNL and ip_tunnel | expand

Commit Message

Xiao Liang Nov. 18, 2024, 2:32 p.m. UTC 
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(-)
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Patch

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)