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netns bridge: allow bridges in netns!

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Bridge as netdevice doesn't cross netns boundaries.

Bridge ports and bridge itself live in same netns.

Notifiers are fixed.

netns propagated from userspace socket for setup and teardown.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Stephen Hemminger <shemming@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan
2008-09-08 16:19:58 -07:00
committed by David S. Miller
parent 5337407c67
commit 4aa678ba44
7 changed files with 25 additions and 34 deletions
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15
net/bridge/br_netlink.c
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@@ -82,6 +82,7 @@ nla_put_failure:
*/
void br_ifinfo_notify(int event, struct net_bridge_port *port)
{
struct net *net = dev_net(port->dev);
struct sk_buff *skb;
int err = -ENOBUFS;
@@ -97,10 +98,10 @@ void br_ifinfo_notify(int event, struct net_bridge_port *port)
kfree_skb(skb);
goto errout;
}
err = rtnl_notify(skb, &init_net,0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
err = rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
errout:
if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_LINK, err);
rtnl_set_sk_err(net, RTNLGRP_LINK, err);
}
/*
@@ -112,11 +113,8 @@ static int br_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
struct net_device *dev;
int idx;
if (net != &init_net)
return 0;
idx = 0;
for_each_netdev(&init_net, dev) {
for_each_netdev(net, dev) {
/* not a bridge port */
if (dev->br_port == NULL || idx < cb->args[0])
goto skip;
@@ -147,9 +145,6 @@ static int br_rtm_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct net_bridge_port *p;
u8 new_state;
if (net != &init_net)
return -EINVAL;
if (nlmsg_len(nlh) < sizeof(*ifm))
return -EINVAL;
@@ -165,7 +160,7 @@ static int br_rtm_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
if (new_state > BR_STATE_BLOCKING)
return -EINVAL;
dev = __dev_get_by_index(&init_net, ifm->ifi_index);
dev = __dev_get_by_index(net, ifm->ifi_index);
if (!dev)
return -ENODEV;