return NULL;
}
- skb_dst_set(skb, &rt->u.dst);
+ skb_dst_set(skb, &rt->dst);
skb->dev = dev;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
pip->saddr = rt->rt_src;
pip->protocol = IPPROTO_IGMP;
pip->tot_len = 0; /* filled in later */
- ip_select_ident(pip, &rt->u.dst, NULL);
+ ip_select_ident(pip, &rt->dst, NULL);
((u8*)&pip[1])[0] = IPOPT_RA;
((u8*)&pip[1])[1] = 4;
((u8*)&pip[1])[2] = 0;
return -1;
}
- skb_dst_set(skb, &rt->u.dst);
+ skb_dst_set(skb, &rt->dst);
skb_reserve(skb, LL_RESERVED_SPACE(dev));
iph->daddr = dst;
iph->saddr = rt->rt_src;
iph->protocol = IPPROTO_IGMP;
- ip_select_ident(iph, &rt->u.dst, NULL);
+ ip_select_ident(iph, &rt->dst, NULL);
((u8*)&iph[1])[0] = IPOPT_RA;
((u8*)&iph[1])[1] = 4;
((u8*)&iph[1])[2] = 0;
read_unlock(&in_dev->mc_list_lock);
}
+/* called in rcu_read_lock() section */
int igmp_rcv(struct sk_buff *skb)
{
/* This basically follows the spec line by line -- see RFC1112 */
struct igmphdr *ih;
- struct in_device *in_dev = in_dev_get(skb->dev);
+ struct in_device *in_dev = __in_dev_get_rcu(skb->dev);
int len = skb->len;
if (in_dev == NULL)
goto drop;
if (!pskb_may_pull(skb, sizeof(struct igmphdr)))
- goto drop_ref;
+ goto drop;
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE:
case CHECKSUM_NONE:
skb->csum = 0;
if (__skb_checksum_complete(skb))
- goto drop_ref;
+ goto drop;
}
ih = igmp_hdr(skb);
break;
case IGMP_PIM:
#ifdef CONFIG_IP_PIMSM_V1
- in_dev_put(in_dev);
return pim_rcv_v1(skb);
#endif
case IGMPV3_HOST_MEMBERSHIP_REPORT:
break;
}
-drop_ref:
- in_dev_put(in_dev);
drop:
kfree_skb(skb);
return 0;
out:
return;
}
+EXPORT_SYMBOL(ip_mc_inc_group);
/*
* Resend IGMP JOIN report; used for bonding.
igmp_ifc_event(in_dev);
#endif
}
+EXPORT_SYMBOL(ip_mc_rejoin_group);
/*
* A socket has left a multicast group on device dev
}
}
}
+EXPORT_SYMBOL(ip_mc_dec_group);
/* Device changing type */
}
if (!dev && !ip_route_output_key(net, &rt, &fl)) {
- dev = rt->u.dst.dev;
+ dev = rt->dst.dev;
ip_rt_put(rt);
}
if (dev) {
if (dpsf->sf_inaddr == psf->sf_inaddr)
break;
if (!dpsf) {
- dpsf = (struct ip_sf_list *)
- kmalloc(sizeof(*dpsf), GFP_ATOMIC);
+ dpsf = kmalloc(sizeof(*dpsf), GFP_ATOMIC);
if (!dpsf)
continue;
*dpsf = *psf;
rtnl_unlock();
return err;
}
+EXPORT_SYMBOL(ip_mc_join_group);
static void ip_sf_socklist_reclaim(struct rcu_head *rp)
{
return register_pernet_subsys(&igmp_net_ops);
}
#endif
-
-EXPORT_SYMBOL(ip_mc_dec_group);
-EXPORT_SYMBOL(ip_mc_inc_group);
-EXPORT_SYMBOL(ip_mc_join_group);
-EXPORT_SYMBOL(ip_mc_rejoin_group);