diff options
Diffstat (limited to 'net/ipv6/route.c')
| -rw-r--r-- | net/ipv6/route.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 7a014ca877ed..c52a7f49d096 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -5123,6 +5123,38 @@ errout: rtnl_set_sk_err(net, RTNLGRP_IPV6_ROUTE, err); } +void fib6_rt_update(struct net *net, struct fib6_info *rt, + struct nl_info *info) +{ + u32 seq = info->nlh ? info->nlh->nlmsg_seq : 0; + struct sk_buff *skb; + int err = -ENOBUFS; + + /* call_fib6_entry_notifiers will be removed when in-kernel notifier + * is implemented and supported for nexthop objects + */ + call_fib6_entry_notifiers(net, FIB_EVENT_ENTRY_REPLACE, rt, NULL); + + skb = nlmsg_new(rt6_nlmsg_size(rt), gfp_any()); + if (!skb) + goto errout; + + err = rt6_fill_node(net, skb, rt, NULL, NULL, NULL, 0, + RTM_NEWROUTE, info->portid, seq, NLM_F_REPLACE); + if (err < 0) { + /* -EMSGSIZE implies BUG in rt6_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } + rtnl_notify(skb, net, info->portid, RTNLGRP_IPV6_ROUTE, + info->nlh, gfp_any()); + return; +errout: + if (err < 0) + rtnl_set_sk_err(net, RTNLGRP_IPV6_ROUTE, err); +} + static int ip6_route_dev_notify(struct notifier_block *this, unsigned long event, void *ptr) { |