#include <linux/mroute.h>
#include <linux/init.h>
#include <linux/if_ether.h>
+#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
#include <linux/netfilter_ipv4.h>
#include <net/ipip.h>
#include <net/checksum.h>
+#include <net/netlink.h>
#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
#define CONFIG_IP_PIMSM 1
{
struct net_device *dev;
- dev = __dev_get_by_name("tunl0");
+ dev = __dev_get_by_name(&init_net, "tunl0");
if (dev) {
int err;
p.iph.ihl = 5;
p.iph.protocol = IPPROTO_IPIP;
sprintf(p.name, "dvmrp%d", v->vifc_vifi);
- ifr.ifr_ifru.ifru_data = (void*)&p;
+ ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
oldfs = get_fs(); set_fs(KERNEL_DS);
err = dev->do_ioctl(dev, &ifr, SIOCADDTUNNEL);
dev = NULL;
- if (err == 0 && (dev = __dev_get_by_name(p.name)) != NULL) {
+ if (err == 0 && (dev = __dev_get_by_name(&init_net, p.name)) != NULL) {
dev->flags |= IFF_MULTICAST;
in_dev = __in_dev_get_rtnl(dev);
- if (in_dev == NULL && (in_dev = inetdev_init(dev)) == NULL)
+ if (in_dev == NULL)
goto failure;
- in_dev->cnf.rp_filter = 0;
+
+ ipv4_devconf_setall(in_dev);
+ IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
if (dev_open(dev))
goto failure;
}
dev->iflink = 0;
- if ((in_dev = inetdev_init(dev)) == NULL)
+ rcu_read_lock();
+ if ((in_dev = __in_dev_get_rcu(dev)) == NULL) {
+ rcu_read_unlock();
goto failure;
+ }
- in_dev->cnf.rp_filter = 0;
+ ipv4_devconf_setall(in_dev);
+ IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
+ rcu_read_unlock();
if (dev_open(dev))
goto failure;
dev_set_allmulti(dev, -1);
if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
- in_dev->cnf.mc_forwarding--;
+ IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--;
ip_rt_multicast_event(in_dev);
}
e->error = -ETIMEDOUT;
memset(&e->msg, 0, sizeof(e->msg));
- rtnl_unicast(skb, NETLINK_CB(skb).pid);
+ rtnl_unicast(skb, &init_net, NETLINK_CB(skb).pid);
} else
kfree_skb(skb);
}
return -ENOBUFS;
break;
case 0:
- dev = ip_dev_find(vifc->vifc_lcl_addr.s_addr);
+ dev = ip_dev_find(&init_net, vifc->vifc_lcl_addr.s_addr);
if (!dev)
return -EADDRNOTAVAIL;
dev_put(dev);
if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
return -EADDRNOTAVAIL;
- in_dev->cnf.mc_forwarding++;
+ IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
dev_set_allmulti(dev, +1);
ip_rt_multicast_event(in_dev);
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
if (ipmr_fill_mroute(skb, c, NLMSG_DATA(nlh)) > 0) {
- nlh->nlmsg_len = skb->tail - (u8*)nlh;
+ nlh->nlmsg_len = (skb_tail_pointer(skb) -
+ (u8 *)nlh);
} else {
nlh->nlmsg_type = NLMSG_ERROR;
nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
memset(&e->msg, 0, sizeof(e->msg));
}
- rtnl_unicast(skb, NETLINK_CB(skb).pid);
+ rtnl_unicast(skb, &init_net, NETLINK_CB(skb).pid);
} else
ip_mr_forward(skb, c, 0);
}
* Copy the IP header
*/
- skb_set_network_header(skb, skb->tail - skb->data);
+ skb->network_header = skb->tail;
skb_put(skb, ihl);
- memcpy(skb->data,pkt->data,ihl);
+ skb_copy_to_linear_data(skb, pkt->data, ihl);
ip_hdr(skb)->protocol = 0; /* Flag to the kernel this is a route add */
msg = (struct igmpmsg *)skb_network_header(skb);
msg->im_vif = vifi;
msg->im_msgtype = assert;
igmp->code = 0;
ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
}
if (mroute_socket == NULL) {
return 0;
}
- if (!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
+ if (!ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr))
return -EINVAL;
c=ipmr_cache_alloc();
{
rtnl_lock();
if (sk == mroute_socket) {
- ipv4_devconf.mc_forwarding--;
+ IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)--;
write_lock_bh(&mrt_lock);
mroute_socket=NULL;
mroute_socket=sk;
write_unlock_bh(&mrt_lock);
- ipv4_devconf.mc_forwarding++;
+ IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)++;
}
rtnl_unlock();
return ret;
#ifdef CONFIG_IP_PIMSM
case MRT_PIM:
{
- int v, ret;
+ int v;
+
if (get_user(v,(int __user *)optval))
return -EFAULT;
- v = (v)?1:0;
+ v = (v) ? 1 : 0;
+
rtnl_lock();
ret = 0;
if (v != mroute_do_pim) {
static int ipmr_device_event(struct notifier_block *this, unsigned long event, void *ptr)
{
+ struct net_device *dev = ptr;
struct vif_device *v;
int ct;
+
+ if (dev_net(dev) != &init_net)
+ return NOTIFY_DONE;
+
if (event != NETDEV_UNREGISTER)
return NOTIFY_DONE;
v=&vif_table[0];
for (ct=0;ct<maxvif;ct++,v++) {
- if (v->dev==ptr)
+ if (v->dev==dev)
vif_delete(ct);
}
return NOTIFY_DONE;
struct iphdr *old_iph = ip_hdr(skb);
skb_push(skb, sizeof(struct iphdr));
- skb->h.raw = skb->nh.raw;
+ skb->transport_header = skb->network_header;
skb_reset_network_header(skb);
iph = ip_hdr(skb);
.saddr = vif->local,
.tos = RT_TOS(iph->tos) } },
.proto = IPPROTO_IPIP };
- if (ip_route_output_key(&rt, &fl))
+ if (ip_route_output_key(&init_net, &rt, &fl))
goto out_free;
encap = sizeof(struct iphdr);
} else {
{ .daddr = iph->daddr,
.tos = RT_TOS(iph->tos) } },
.proto = IPPROTO_IPIP };
- if (ip_route_output_key(&rt, &fl))
+ if (ip_route_output_key(&init_net, &rt, &fl))
goto out_free;
}
* not mrouter) cannot join to more than one interface - it will
* result in receiving multiple packets.
*/
- NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, dev,
+ NF_HOOK(PF_INET, NF_INET_FORWARD, skb, skb->dev, dev,
ipmr_forward_finish);
return;
if (vif_table[vif].dev != skb->dev) {
int true_vifi;
- if (((struct rtable*)skb->dst)->fl.iif == 0) {
+ if (skb->rtable->fl.iif == 0) {
/* It is our own packet, looped back.
Very complicated situation...
int ip_mr_input(struct sk_buff *skb)
{
struct mfc_cache *cache;
- int local = ((struct rtable*)skb->dst)->rt_flags&RTCF_LOCAL;
+ int local = skb->rtable->rt_flags&RTCF_LOCAL;
/* Packet is looped back after forward, it should not be
forwarded second time, but still can be delivered locally.
b. packet is not a NULL-REGISTER
c. packet is not truncated
*/
- if (!MULTICAST(encap->daddr) ||
+ if (!ipv4_is_multicast(encap->daddr) ||
encap->tot_len == 0 ||
ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
goto drop;
if (reg_dev == NULL)
goto drop;
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_pull(skb, (u8*)encap - skb->data);
skb_reset_network_header(skb);
skb->dev = reg_dev;
/* check if the inner packet is destined to mcast group */
encap = (struct iphdr *)(skb_transport_header(skb) +
sizeof(struct pimreghdr));
- if (!MULTICAST(encap->daddr) ||
+ if (!ipv4_is_multicast(encap->daddr) ||
encap->tot_len == 0 ||
ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
goto drop;
if (reg_dev == NULL)
goto drop;
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_pull(skb, (u8*)encap - skb->data);
skb_reset_network_header(skb);
skb->dev = reg_dev;
int ct;
struct rtnexthop *nhp;
struct net_device *dev = vif_table[c->mfc_parent].dev;
- u8 *b = skb->tail;
+ u8 *b = skb_tail_pointer(skb);
struct rtattr *mp_head;
if (dev)
}
}
mp_head->rta_type = RTA_MULTIPATH;
- mp_head->rta_len = skb->tail - (u8*)mp_head;
+ mp_head->rta_len = skb_tail_pointer(skb) - (u8 *)mp_head;
rtm->rtm_type = RTN_MULTICAST;
return 1;
rtattr_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -EMSGSIZE;
}
{
int err;
struct mfc_cache *cache;
- struct rtable *rt = (struct rtable*)skb->dst;
+ struct rtable *rt = skb->rtable;
read_lock(&mrt_lock);
cache = ipmr_cache_find(rt->rt_src, rt->rt_dst);
}
static void *ipmr_vif_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(mrt_lock)
{
read_lock(&mrt_lock);
return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1)
}
static void ipmr_vif_seq_stop(struct seq_file *seq, void *v)
+ __releases(mrt_lock)
{
read_unlock(&mrt_lock);
}
static int ipmr_vif_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct ipmr_vif_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &ipmr_vif_seq_ops);
- if (rc)
- goto out_kfree;
-
- s->ct = 0;
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
-
+ return seq_open_private(file, &ipmr_vif_seq_ops,
+ sizeof(struct ipmr_vif_iter));
}
static const struct file_operations ipmr_vif_fops = {
static int ipmr_mfc_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct ipmr_mfc_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &ipmr_mfc_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
-
+ return seq_open_private(file, &ipmr_mfc_seq_ops,
+ sizeof(struct ipmr_mfc_iter));
}
static const struct file_operations ipmr_mfc_fops = {
mrt_cachep = kmem_cache_create("ip_mrt_cache",
sizeof(struct mfc_cache),
0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
- NULL, NULL);
- init_timer(&ipmr_expire_timer);
- ipmr_expire_timer.function=ipmr_expire_process;
+ NULL);
+ setup_timer(&ipmr_expire_timer, ipmr_expire_process, 0);
register_netdevice_notifier(&ip_mr_notifier);
#ifdef CONFIG_PROC_FS
- proc_net_fops_create("ip_mr_vif", 0, &ipmr_vif_fops);
- proc_net_fops_create("ip_mr_cache", 0, &ipmr_mfc_fops);
+ proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops);
+ proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops);
#endif
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff