static void dev_watchdog_down(struct net_device *dev)
{
spin_lock_bh(&dev->xmit_lock);
if (del_timer(&dev->watchdog_timer))
__dev_put(dev);
spin_unlock_bh(&dev->xmit_lock);
}
static struct in_device * ip_mc_find_dev(struct ip_mreqn *imr)
{
struct rtable *rt;
struct net_device *dev = NULL;
struct in_device *idev = NULL;
if (imr->imr_address.s_addr) {
dev = ip_dev_find(imr->imr_address.s_addr);
if (!dev)
return NULL;
__dev_put(dev);
}
if (!dev && !ip_route_output(&rt, imr->imr_multiaddr.s_addr, 0, 0, 0)) {
dev = rt->u.dst.dev;
ip_rt_put(rt);
}
if (dev) {
imr->imr_ifindex = dev->ifindex;
idev = __in_dev_get(dev);
}
return idev;
}
static int vif_add(struct vifctl *vifc, int mrtsock)
{
int vifi = vifc->vifc_vifi;
struct vif_device *v = &vif_table[vifi];
struct net_device *dev;
struct in_device *in_dev;
/* Is vif busy ? */
if (VIF_EXISTS(vifi))
return -EADDRINUSE;
switch (vifc->vifc_flags) {
#ifdef CONFIG_IP_PIMSM
case VIFF_REGISTER:
/*
* Special Purpose VIF in PIM
* All the packets will be sent to the daemon
*/
if (reg_vif_num >= 0)
return -EADDRINUSE;
dev = ipmr_reg_vif();
if (!dev)
return -ENOBUFS;
break;
#endif
case VIFF_TUNNEL:
dev = ipmr_new_tunnel(vifc);
if (!dev)
return -ENOBUFS;
break;
case 0:
dev=ip_dev_find(vifc->vifc_lcl_addr.s_addr);
if (!dev)
return -EADDRNOTAVAIL;
__dev_put(dev);
break;
default:
return -EINVAL;
}
if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
return -EADDRNOTAVAIL;
in_dev->cnf.mc_forwarding++;
dev_set_allmulti(dev, +1);
ip_rt_multicast_event(in_dev);
/*
* Fill in the VIF structures
*/
v->rate_limit=vifc->vifc_rate_limit;
v->local=vifc->vifc_lcl_addr.s_addr;
v->remote=vifc->vifc_rmt_addr.s_addr;
v->flags=vifc->vifc_flags;
if (!mrtsock)
v->flags |= VIFF_STATIC;
v->threshold=vifc->vifc_threshold;
v->bytes_in = 0;
v->bytes_out = 0;
v->pkt_in = 0;
v->pkt_out = 0;
v->link = dev->ifindex;
if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER))
v->link = dev->iflink;
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);
dev_hold(dev);
v->dev=dev;
#ifdef CONFIG_IP_PIMSM
if (v->flags&VIFF_REGISTER)
reg_vif_num = vifi;
#endif
if (vifi+1 > maxvif)
maxvif = vifi+1;
write_unlock_bh(&mrt_lock);
return 0;
}
static int vif_add(struct vifctl *vifc, int mrtsock)
{
int vifi = vifc->vifc_vifi;
struct vif_device *v = &vif_table[vifi];
struct net_device *dev;
struct in_device *in_dev;
/*[Santosh: to add "ppp" interface into VIF table]*/
#if defined (CONFIG_IFX_IGMP_PROXY) || defined (CONFIG_IFX_IGMP_PROXY_MODULE)
struct in_device *ip;
struct in_ifaddr *in;
__u32 addr;
dev=ip_dev_find(vifc->vifc_lcl_addr.s_addr);
if (dev)
__dev_put(dev);
if (!dev){
addr = vifc->vifc_lcl_addr.s_addr;
for(dev = dev_base; dev; dev = dev->next){
if (dev == NULL)
continue;
if (strncmp (dev->name,"ppp",3) != 0)
continue;
ip = dev->ip_ptr;
if( (ip == NULL) || ((in = ip->ifa_list) == NULL ))
{
DBPRINT ("vif_add: Device: %s not assigned IP address\n",dev->name);
}
if (( in->ifa_address == addr ) &&
(strncmp (dev->name,"ppp",3) == 0))
{
break;
}
}
} // if (!dev)
#endif
/* Is vif busy ? */
if (VIF_EXISTS(vifi))
return -EADDRINUSE;
switch (vifc->vifc_flags) {
#ifdef CONFIG_IP_PIMSM
case VIFF_REGISTER:
/*
* Special Purpose VIF in PIM
* All the packets will be sent to the daemon
*/
if (reg_vif_num >= 0)
return -EADDRINUSE;
dev = ipmr_reg_vif(vifc);
if (!dev)
return -ENOBUFS;
break;
#endif
case VIFF_TUNNEL:
dev = ipmr_new_tunnel(vifc);
if (!dev)
return -ENOBUFS;
break;
case 0:
/*[Santosh: to add "ppp" interface into VIF table]*/
#if defined (CONFIG_IFX_IGMP_PROXY) || defined (CONFIG_IFX_IGMP_PROXY_MODULE)
if (strncmp (dev->name, "ppp",3) == 0)
{
break;
}
#endif
dev=ip_dev_find(vifc->vifc_lcl_addr.s_addr);
if (!dev)
return -EADDRNOTAVAIL;
__dev_put(dev);
break;
default:
return -EINVAL;
}
if ((in_dev = __in_dev_get(dev)) == NULL)
return -EADDRNOTAVAIL;
in_dev->cnf.mc_forwarding++;
dev_set_allmulti(dev, +1);
ip_rt_multicast_event(in_dev);
/*
* Fill in the VIF structures
*/
v->rate_limit=vifc->vifc_rate_limit;
v->local=vifc->vifc_lcl_addr.s_addr;
v->remote=vifc->vifc_rmt_addr.s_addr;
v->flags=vifc->vifc_flags;
if (!mrtsock)
v->flags |= VIFF_STATIC;
v->threshold=vifc->vifc_threshold;
v->bytes_in = 0;
v->bytes_out = 0;
v->pkt_in = 0;
v->pkt_out = 0;
v->link = dev->ifindex;
if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER))
v->link = dev->iflink;
/* And finish update writing critical data */
write_lock_bh(&mrt_lock);
dev_hold(dev);
v->dev=dev;
#ifdef CONFIG_IP_PIMSM
if (v->flags&VIFF_REGISTER)
reg_vif_num = vifi;
#endif
if (vifi+1 > maxvif)
maxvif = vifi+1;
write_unlock_bh(&mrt_lock);
return 0;
}
