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OpenCloudOS-Kernel
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[NETNS]: Add namespace parameter to ip_route_output_slow. 

This function needs a net namespace to lookup devices, fib tables,
etc. in, so pass it there.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-01-22 22:06:19 -08:00 committed by David S. Miller
parent 1ab352768f
commit b40afd0e5c
1 changed files with 11 additions and 10 deletions
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21
net/ipv4/route.c
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@ -2248,7 +2248,8 @@ static inline int ip_mkroute_output(struct rtable **rp,
* Major route resolver routine.
*/
static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
static int ip_route_output_slow(struct net *net, struct rtable **rp,
const struct flowi *oldflp)
{
u32 tos = RT_FL_TOS(oldflp);
struct flowi fl = { .nl_u = { .ip4_u =
@ -2260,7 +2261,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
RT_SCOPE_UNIVERSE),
} },
.mark = oldflp->mark,
.iif = init_net.loopback_dev->ifindex,
.iif = net->loopback_dev->ifindex,
.oif = oldflp->oif };
struct fib_result res;
unsigned flags = 0;
@ -2282,7 +2283,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
goto out;
/* It is equivalent to inet_addr_type(saddr) == RTN_LOCAL */
dev_out = ip_dev_find(&init_net, oldflp->fl4_src);
dev_out = ip_dev_find(net, oldflp->fl4_src);
if (dev_out == NULL)
goto out;
@ -2322,7 +2323,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
if (oldflp->oif) {
dev_out = dev_get_by_index(&init_net, oldflp->oif);
dev_out = dev_get_by_index(net, oldflp->oif);
err = -ENODEV;
if (dev_out == NULL)
goto out;
@ -2356,15 +2357,15 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
fl.fl4_dst = fl.fl4_src = htonl(INADDR_LOOPBACK);
if (dev_out)
dev_put(dev_out);
dev_out = init_net.loopback_dev;
dev_out = net->loopback_dev;
dev_hold(dev_out);
fl.oif = init_net.loopback_dev->ifindex;
fl.oif = net->loopback_dev->ifindex;
res.type = RTN_LOCAL;
flags |= RTCF_LOCAL;
goto make_route;
}
if (fib_lookup(&init_net, &fl, &res)) {
if (fib_lookup(net, &fl, &res)) {
res.fi = NULL;
if (oldflp->oif) {
/* Apparently, routing tables are wrong. Assume,
@ -2403,7 +2404,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
fl.fl4_src = fl.fl4_dst;
if (dev_out)
dev_put(dev_out);
dev_out = init_net.loopback_dev;
dev_out = net->loopback_dev;
dev_hold(dev_out);
fl.oif = dev_out->ifindex;
if (res.fi)
@ -2419,7 +2420,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp)
else
#endif
if (!res.prefixlen && res.type == RTN_UNICAST && !fl.oif)
fib_select_default(&init_net, &fl, &res);
fib_select_default(net, &fl, &res);
if (!fl.fl4_src)
fl.fl4_src = FIB_RES_PREFSRC(res);
@ -2469,7 +2470,7 @@ int __ip_route_output_key(struct rtable **rp, const struct flowi *flp)
}
rcu_read_unlock_bh();
return ip_route_output_slow(rp, flp);
return ip_route_output_slow(&init_net, rp, flp);
}
EXPORT_SYMBOL_GPL(__ip_route_output_key);