diff options
Diffstat (limited to 'net/ipv6/ip6mr.c')
| -rw-r--r-- | net/ipv6/ip6mr.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 228be551e9c..c769f155c69 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -398,10 +398,9 @@ static int pim6_rcv(struct sk_buff *skb) skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = 0; skb->pkt_type = PACKET_HOST; - dst_release(skb->dst); + skb_dst_drop(skb); reg_dev->stats.rx_bytes += skb->len; reg_dev->stats.rx_packets++; - skb->dst = NULL; nf_reset(skb); netif_rx(skb); dev_put(reg_dev); @@ -442,6 +441,7 @@ static void reg_vif_setup(struct net_device *dev) dev->flags = IFF_NOARP; dev->netdev_ops = ®_vif_netdev_ops; dev->destructor = free_netdev; + dev->features |= NETIF_F_NETNS_LOCAL; } static struct net_device *ip6mr_reg_vif(struct net *net) @@ -849,7 +849,7 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt, mifi_t mifi, ipv6_addr_copy(&msg->im6_src, &ipv6_hdr(pkt)->saddr); ipv6_addr_copy(&msg->im6_dst, &ipv6_hdr(pkt)->daddr); - skb->dst = dst_clone(pkt->dst); + skb_dst_set(skb, dst_clone(skb_dst(pkt))); skb->ip_summed = CHECKSUM_UNNECESSARY; } @@ -1078,7 +1078,18 @@ int __init ip6_mr_init(void) err = register_netdevice_notifier(&ip6_mr_notifier); if (err) goto reg_notif_fail; +#ifdef CONFIG_IPV6_PIMSM_V2 + if (inet6_add_protocol(&pim6_protocol, IPPROTO_PIM) < 0) { + printk(KERN_ERR "ip6_mr_init: can't add PIM protocol\n"); + err = -EAGAIN; + goto add_proto_fail; + } +#endif return 0; +#ifdef CONFIG_IPV6_PIMSM_V2 +add_proto_fail: + unregister_netdevice_notifier(&ip6_mr_notifier); +#endif reg_notif_fail: del_timer(&ipmr_expire_timer); unregister_pernet_subsys(&ip6mr_net_ops); @@ -1364,14 +1375,6 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int if (v != net->ipv6.mroute_do_pim) { net->ipv6.mroute_do_pim = v; net->ipv6.mroute_do_assert = v; - if (net->ipv6.mroute_do_pim) - ret = inet6_add_protocol(&pim6_protocol, - IPPROTO_PIM); - else - ret = inet6_del_protocol(&pim6_protocol, - IPPROTO_PIM); - if (ret < 0) - ret = -EAGAIN; } rtnl_unlock(); return ret; @@ -1487,7 +1490,7 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg) static inline int ip6mr_forward2_finish(struct sk_buff *skb) { - IP6_INC_STATS_BH(dev_net(skb->dst->dev), ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(dev_net(skb_dst(skb)->dev), ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_OUTFORWDATAGRAMS); return dst_output(skb); } @@ -1532,8 +1535,8 @@ static int ip6mr_forward2(struct sk_buff *skb, struct mfc6_cache *c, int vifi) if (!dst) goto out_free; - dst_release(skb->dst); - skb->dst = dst; + skb_dst_drop(skb); + skb_dst_set(skb, dst); /* * RFC1584 teaches, that DVMRP/PIM router must deliver packets locally @@ -1722,7 +1725,7 @@ int ip6mr_get_route(struct net *net, { int err; struct mfc6_cache *cache; - struct rt6_info *rt = (struct rt6_info *)skb->dst; + struct rt6_info *rt = (struct rt6_info *)skb_dst(skb); read_lock(&mrt_lock); cache = ip6mr_cache_find(net, &rt->rt6i_src.addr, &rt->rt6i_dst.addr); |