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linux-sg2042
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[IPv6] route: Simplify ip6_ins_rt() 

Provide a simple ip6_ins_rt() for the majority of users and
an alternative for the exception via netlink. Avoids code
obfuscation.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2006-08-22 00:00:45 -07:00 committed by David S. Miller
parent e0a1ad73d3
commit 40e22e8f3d
4 changed files with 15 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/net/ip6_route.h
View File

@ -65,10 +65,7 @@ extern int ip6_route_add(struct in6_rtmsg *rtmsg,
void *rtattr,
struct netlink_skb_parms *req,
u32 table_id);
extern int ip6_ins_rt(struct rt6_info *,
struct nlmsghdr *,
void *rtattr,
struct netlink_skb_parms *req);
extern int ip6_ins_rt(struct rt6_info *);
extern int ip6_del_rt(struct rt6_info *);
extern int ip6_rt_addr_add(struct in6_addr *addr,

2
net/ipv6/addrconf.c
View File

@ -3548,7 +3548,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
switch (event) {
case RTM_NEWADDR:
ip6_ins_rt(ifp->rt, NULL, NULL, NULL);
ip6_ins_rt(ifp->rt);
if (ifp->idev->cnf.forwarding)
addrconf_join_anycast(ifp);
break;

2
net/ipv6/anycast.c
View File

@ -335,7 +335,7 @@ int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr)
write_unlock_bh(&idev->lock);
dst_hold(&rt->u.dst);
if (ip6_ins_rt(rt, NULL, NULL, NULL))
if (ip6_ins_rt(rt))
dst_release(&rt->u.dst);
addrconf_join_solict(dev, &aca->aca_addr);

17
net/ipv6/route.c
View File

@ -546,7 +546,7 @@ struct rt6_info *rt6_lookup(struct in6_addr *daddr, struct in6_addr *saddr,
be destroyed.
*/
int ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh,
static int __ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh,
void *_rtattr, struct netlink_skb_parms *req)
{
int err;
@ -560,6 +560,11 @@ int ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh,
return err;
}
int ip6_ins_rt(struct rt6_info *rt)
{
return __ip6_ins_rt(rt, NULL, NULL, NULL);
}
static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *daddr,
struct in6_addr *saddr)
{
@ -657,7 +662,7 @@ restart:
dst_hold(&rt->u.dst);
if (nrt) {
err = ip6_ins_rt(nrt, NULL, NULL, NULL);
err = ip6_ins_rt(nrt);
if (!err)
goto out2;
}
@ -752,7 +757,7 @@ restart:
dst_hold(&rt->u.dst);
if (nrt) {
err = ip6_ins_rt(nrt, NULL, NULL, NULL);
err = ip6_ins_rt(nrt);
if (!err)
goto out2;
}
@ -1206,7 +1211,7 @@ install_route:
rt->u.dst.dev = dev;
rt->rt6i_idev = idev;
rt->rt6i_table = table;
return ip6_ins_rt(rt, nlh, _rtattr, req);
return __ip6_ins_rt(rt, nlh, _rtattr, req);
out:
if (dev)
@ -1393,7 +1398,7 @@ restart:
nrt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(neigh->dev);
nrt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&nrt->u.dst));
if (ip6_ins_rt(nrt, NULL, NULL, NULL))
if (ip6_ins_rt(nrt))
goto out;
netevent.old = &rt->u.dst;
@ -1483,7 +1488,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
dst_set_expires(&nrt->u.dst, ip6_rt_mtu_expires);
nrt->rt6i_flags |= RTF_DYNAMIC|RTF_EXPIRES;
ip6_ins_rt(nrt, NULL, NULL, NULL);
ip6_ins_rt(nrt);
}
out:
dst_release(&rt->u.dst);