/* Big mc list lock for all the sockets */
static DEFINE_RWLOCK(ipv6_sk_mc_lock);
-static struct socket *igmp6_socket;
-
int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
static void igmp6_join_group(struct ifmcaddr6 *ma);
struct net_device *dev = NULL;
struct ipv6_mc_socklist *mc_lst;
struct ipv6_pinfo *np = inet6_sk(sk);
+ struct net *net = sock_net(sk);
int err;
if (!ipv6_addr_is_multicast(addr))
if (ifindex == 0) {
struct rt6_info *rt;
- rt = rt6_lookup(addr, NULL, 0, 0);
+ rt = rt6_lookup(net, addr, NULL, 0, 0);
if (rt) {
dev = rt->rt6i_dev;
dev_hold(dev);
dst_release(&rt->u.dst);
}
} else
- dev = dev_get_by_index(&init_net, ifindex);
+ dev = dev_get_by_index(net, ifindex);
if (dev == NULL) {
sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc_lst, **lnk;
+ struct net *net = sock_net(sk);
write_lock_bh(&ipv6_sk_mc_lock);
for (lnk = &np->ipv6_mc_list; (mc_lst = *lnk) !=NULL ; lnk = &mc_lst->next) {
*lnk = mc_lst->next;
write_unlock_bh(&ipv6_sk_mc_lock);
- if ((dev = dev_get_by_index(&init_net, mc_lst->ifindex)) != NULL) {
+ dev = dev_get_by_index(net, mc_lst->ifindex);
+ if (dev != NULL) {
struct inet6_dev *idev = in6_dev_get(dev);
(void) ip6_mc_leave_src(sk, mc_lst, idev);
return -EADDRNOTAVAIL;
}
-static struct inet6_dev *ip6_mc_find_dev(struct in6_addr *group, int ifindex)
+static struct inet6_dev *ip6_mc_find_dev(struct net *net,
+ struct in6_addr *group,
+ int ifindex)
{
struct net_device *dev = NULL;
struct inet6_dev *idev = NULL;
if (ifindex == 0) {
struct rt6_info *rt;
- rt = rt6_lookup(group, NULL, 0, 0);
+ rt = rt6_lookup(net, group, NULL, 0, 0);
if (rt) {
dev = rt->rt6i_dev;
dev_hold(dev);
dst_release(&rt->u.dst);
}
} else
- dev = dev_get_by_index(&init_net, ifindex);
+ dev = dev_get_by_index(net, ifindex);
if (!dev)
return NULL;
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc_lst;
+ struct net *net = sock_net(sk);
write_lock_bh(&ipv6_sk_mc_lock);
while ((mc_lst = np->ipv6_mc_list) != NULL) {
np->ipv6_mc_list = mc_lst->next;
write_unlock_bh(&ipv6_sk_mc_lock);
- dev = dev_get_by_index(&init_net, mc_lst->ifindex);
+ dev = dev_get_by_index(net, mc_lst->ifindex);
if (dev) {
struct inet6_dev *idev = in6_dev_get(dev);
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct ip6_sf_socklist *psl;
+ struct net *net = sock_net(sk);
int i, j, rv;
int leavegroup = 0;
int pmclocked = 0;
if (!ipv6_addr_is_multicast(group))
return -EINVAL;
- idev = ip6_mc_find_dev(group, pgsr->gsr_interface);
+ idev = ip6_mc_find_dev(net, group, pgsr->gsr_interface);
if (!idev)
return -ENODEV;
dev = idev->dev;
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct ip6_sf_socklist *newpsl, *psl;
+ struct net *net = sock_net(sk);
int leavegroup = 0;
int i, err;
gsf->gf_fmode != MCAST_EXCLUDE)
return -EINVAL;
- idev = ip6_mc_find_dev(group, gsf->gf_interface);
+ idev = ip6_mc_find_dev(net, group, gsf->gf_interface);
if (!idev)
return -ENODEV;
struct net_device *dev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct ip6_sf_socklist *psl;
+ struct net *net = sock_net(sk);
group = &((struct sockaddr_in6 *)&gsf->gf_group)->sin6_addr;
if (!ipv6_addr_is_multicast(group))
return -EINVAL;
- idev = ip6_mc_find_dev(group, gsf->gf_interface);
+ idev = ip6_mc_find_dev(net, group, gsf->gf_interface);
if (!idev)
return -ENODEV;
return -ENOMEM;
}
- init_timer(&mc->mca_timer);
- mc->mca_timer.function = igmp6_timer_handler;
- mc->mca_timer.data = (unsigned long) mc;
+ setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
ipv6_addr_copy(&mc->mca_addr, addr);
mc->idev = idev;
static struct sk_buff *mld_newpack(struct net_device *dev, int size)
{
- struct sock *sk = igmp6_socket->sk;
+ struct net *net = dev_net(dev);
+ struct sock *sk = net->ipv6.igmp_sk;
struct sk_buff *skb;
struct mld2_report *pmr;
struct in6_addr addr_buf;
return skb;
}
-static inline int mld_dev_queue_xmit2(struct sk_buff *skb)
-{
- struct net_device *dev = skb->dev;
- unsigned char ha[MAX_ADDR_LEN];
-
- ndisc_mc_map(&ipv6_hdr(skb)->daddr, ha, dev, 1);
- if (dev_hard_header(skb, dev, ETH_P_IPV6, ha, NULL, skb->len) < 0) {
- kfree_skb(skb);
- return -EINVAL;
- }
- return dev_queue_xmit(skb);
-}
-
-static inline int mld_dev_queue_xmit(struct sk_buff *skb)
-{
- return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb, NULL, skb->dev,
- mld_dev_queue_xmit2);
-}
-
static void mld_sendpack(struct sk_buff *skb)
{
struct ipv6hdr *pip6 = ipv6_hdr(skb);
(struct mld2_report *)skb_transport_header(skb);
int payload_len, mldlen;
struct inet6_dev *idev = in6_dev_get(skb->dev);
+ struct net *net = dev_net(skb->dev);
int err;
+ struct flowi fl;
IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS);
payload_len = (skb->tail - skb->network_header) - sizeof(*pip6);
pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen,
IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb),
mldlen, 0));
- err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
- mld_dev_queue_xmit);
+
+ skb->dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
+
+ if (!skb->dst) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ icmpv6_flow_init(net->ipv6.igmp_sk, &fl, ICMPV6_MLD2_REPORT,
+ &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
+ skb->dev->ifindex);
+
+ err = xfrm_lookup(&skb->dst, &fl, NULL, 0);
+ if (err)
+ goto err_out;
+
+ err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
+ dst_output);
+out:
if (!err) {
ICMP6MSGOUT_INC_STATS_BH(idev, ICMPV6_MLD2_REPORT);
ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
if (likely(idev != NULL))
in6_dev_put(idev);
+ return;
+
+err_out:
+ kfree_skb(skb);
+ goto out;
}
static int grec_size(struct ifmcaddr6 *pmc, int type, int gdel, int sdel)
static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
{
- struct sock *sk = igmp6_socket->sk;
+ struct net *net = dev_net(dev);
+ struct sock *sk = net->ipv6.igmp_sk;
struct inet6_dev *idev;
struct sk_buff *skb;
struct icmp6hdr *hdr;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
IPV6_TLV_PADN, 0 };
+ struct flowi fl;
rcu_read_lock();
IP6_INC_STATS(__in6_dev_get(dev),
idev = in6_dev_get(skb->dev);
- err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
- mld_dev_queue_xmit);
+ skb->dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
+ if (!skb->dst) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ icmpv6_flow_init(sk, &fl, type,
+ &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
+ skb->dev->ifindex);
+
+ err = xfrm_lookup(&skb->dst, &fl, NULL, 0);
+ if (err)
+ goto err_out;
+
+ err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
+ dst_output);
+out:
if (!err) {
ICMP6MSGOUT_INC_STATS(idev, type);
ICMP6_INC_STATS(idev, ICMP6_MIB_OUTMSGS);
if (likely(idev != NULL))
in6_dev_put(idev);
return;
+
+err_out:
+ kfree_skb(skb);
+ goto out;
}
static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode,
write_lock_bh(&idev->lock);
rwlock_init(&idev->mc_lock);
idev->mc_gq_running = 0;
- init_timer(&idev->mc_gq_timer);
- idev->mc_gq_timer.data = (unsigned long) idev;
- idev->mc_gq_timer.function = &mld_gq_timer_expire;
+ setup_timer(&idev->mc_gq_timer, mld_gq_timer_expire,
+ (unsigned long)idev);
idev->mc_tomb = NULL;
idev->mc_ifc_count = 0;
- init_timer(&idev->mc_ifc_timer);
- idev->mc_ifc_timer.data = (unsigned long) idev;
- idev->mc_ifc_timer.function = &mld_ifc_timer_expire;
+ setup_timer(&idev->mc_ifc_timer, mld_ifc_timer_expire,
+ (unsigned long)idev);
idev->mc_qrv = MLD_QRV_DEFAULT;
idev->mc_maxdelay = IGMP6_UNSOLICITED_IVAL;
idev->mc_v1_seen = 0;
#ifdef CONFIG_PROC_FS
struct igmp6_mc_iter_state {
+ struct seq_net_private p;
struct net_device *dev;
struct inet6_dev *idev;
};
{
struct ifmcaddr6 *im = NULL;
struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
+ struct net *net = seq_file_net(seq);
state->idev = NULL;
- for_each_netdev(&init_net, state->dev) {
+ for_each_netdev(net, state->dev) {
struct inet6_dev *idev;
idev = in6_dev_get(state->dev);
if (!idev)
}
static void *igmp6_mc_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(dev_base_lock)
{
read_lock(&dev_base_lock);
return igmp6_mc_get_idx(seq, *pos);
}
static void igmp6_mc_seq_stop(struct seq_file *seq, void *v)
+ __releases(dev_base_lock)
{
struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
if (likely(state->idev != NULL)) {
static int igmp6_mc_seq_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &igmp6_mc_seq_ops,
- sizeof(struct igmp6_mc_iter_state));
+ return seq_open_net(inode, file, &igmp6_mc_seq_ops,
+ sizeof(struct igmp6_mc_iter_state));
}
static const struct file_operations igmp6_mc_seq_fops = {
.open = igmp6_mc_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release_net,
};
struct igmp6_mcf_iter_state {
+ struct seq_net_private p;
struct net_device *dev;
struct inet6_dev *idev;
struct ifmcaddr6 *im;
struct ip6_sf_list *psf = NULL;
struct ifmcaddr6 *im = NULL;
struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
+ struct net *net = seq_file_net(seq);
state->idev = NULL;
state->im = NULL;
- for_each_netdev(&init_net, state->dev) {
+ for_each_netdev(net, state->dev) {
struct inet6_dev *idev;
idev = in6_dev_get(state->dev);
if (unlikely(idev == NULL))
}
static void *igmp6_mcf_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(dev_base_lock)
{
read_lock(&dev_base_lock);
return *pos ? igmp6_mcf_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
}
static void igmp6_mcf_seq_stop(struct seq_file *seq, void *v)
+ __releases(dev_base_lock)
{
struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
if (likely(state->im != NULL)) {
static int igmp6_mcf_seq_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &igmp6_mcf_seq_ops,
- sizeof(struct igmp6_mcf_iter_state));
+ return seq_open_net(inode, file, &igmp6_mcf_seq_ops,
+ sizeof(struct igmp6_mcf_iter_state));
}
static const struct file_operations igmp6_mcf_seq_fops = {
.open = igmp6_mcf_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release_net,
};
+
+static int igmp6_proc_init(struct net *net)
+{
+ int err;
+
+ err = -ENOMEM;
+ if (!proc_net_fops_create(net, "igmp6", S_IRUGO, &igmp6_mc_seq_fops))
+ goto out;
+ if (!proc_net_fops_create(net, "mcfilter6", S_IRUGO,
+ &igmp6_mcf_seq_fops))
+ goto out_proc_net_igmp6;
+
+ err = 0;
+out:
+ return err;
+
+out_proc_net_igmp6:
+ proc_net_remove(net, "igmp6");
+ goto out;
+}
+
+static void igmp6_proc_exit(struct net *net)
+{
+ proc_net_remove(net, "mcfilter6");
+ proc_net_remove(net, "igmp6");
+}
+#else
+static int igmp6_proc_init(struct net *net)
+{
+ return 0;
+}
+static void igmp6_proc_exit(struct net *net)
+{
+ ;
+}
#endif
-int __init igmp6_init(struct net_proto_family *ops)
+static int igmp6_net_init(struct net *net)
{
struct ipv6_pinfo *np;
+ struct socket *sock;
struct sock *sk;
int err;
- err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &igmp6_socket);
+ err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &sock);
if (err < 0) {
printk(KERN_ERR
"Failed to initialize the IGMP6 control socket (err %d).\n",
err);
- igmp6_socket = NULL; /* For safety. */
- return err;
+ goto out;
}
- sk = igmp6_socket->sk;
+ net->ipv6.igmp_sk = sk = sock->sk;
+ sk_change_net(sk, net);
sk->sk_allocation = GFP_ATOMIC;
sk->sk_prot->unhash(sk);
np = inet6_sk(sk);
np->hop_limit = 1;
-#ifdef CONFIG_PROC_FS
- proc_net_fops_create(&init_net, "igmp6", S_IRUGO, &igmp6_mc_seq_fops);
- proc_net_fops_create(&init_net, "mcfilter6", S_IRUGO, &igmp6_mcf_seq_fops);
-#endif
+ err = igmp6_proc_init(net);
+ if (err)
+ goto out_sock_create;
+out:
+ return err;
- return 0;
+out_sock_create:
+ sk_release_kernel(net->ipv6.igmp_sk);
+ goto out;
}
-void igmp6_cleanup(void)
+static void igmp6_net_exit(struct net *net)
{
- sock_release(igmp6_socket);
- igmp6_socket = NULL; /* for safety */
+ sk_release_kernel(net->ipv6.igmp_sk);
+ igmp6_proc_exit(net);
+}
-#ifdef CONFIG_PROC_FS
- proc_net_remove(&init_net, "mcfilter6");
- proc_net_remove(&init_net, "igmp6");
-#endif
+static struct pernet_operations igmp6_net_ops = {
+ .init = igmp6_net_init,
+ .exit = igmp6_net_exit,
+};
+
+int __init igmp6_init(void)
+{
+ return register_pernet_subsys(&igmp6_net_ops);
+}
+
+void igmp6_cleanup(void)
+{
+ unregister_pernet_subsys(&igmp6_net_ops);
}