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-rw-r--r--net/ipv6/mcast.c272
1 files changed, 173 insertions, 99 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index ab228d1ea114..54f91efdae58 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -59,6 +59,7 @@
#include <net/ndisc.h>
#include <net/addrconf.h>
#include <net/ip6_route.h>
+#include <net/inet_common.h>
#include <net/ip6_checksum.h>
@@ -126,10 +127,6 @@ static struct in6_addr mld2_all_mcr = MLD2_ALL_MCR_INIT;
/* 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);
static void igmp6_leave_group(struct ifmcaddr6 *ma);
static void igmp6_timer_handler(unsigned long data);
@@ -178,11 +175,12 @@ int sysctl_mld_max_msf __read_mostly = IPV6_MLD_MAX_MSF;
* socket join on multicast group
*/
-int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
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))
@@ -208,14 +206,14 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *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));
@@ -252,10 +250,11 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
/*
* socket leave on multicast group
*/
-int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
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) {
@@ -266,7 +265,8 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
*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);
@@ -286,7 +286,9 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
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;
@@ -294,14 +296,14 @@ static struct inet6_dev *ip6_mc_find_dev(struct in6_addr *group, int ifindex)
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;
@@ -324,6 +326,7 @@ void ipv6_sock_mc_close(struct sock *sk)
{
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) {
@@ -332,7 +335,7 @@ void ipv6_sock_mc_close(struct sock *sk)
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);
@@ -361,6 +364,7 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
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;
@@ -376,7 +380,7 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
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;
@@ -500,6 +504,7 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
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;
@@ -511,7 +516,7 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
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;
@@ -592,13 +597,14 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
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;
@@ -656,8 +662,8 @@ done:
return err;
}
-int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
- struct in6_addr *src_addr)
+int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc;
@@ -863,7 +869,7 @@ static void mld_clear_delrec(struct inet6_dev *idev)
/*
* device multicast group inc (add if not found)
*/
-int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
{
struct ifmcaddr6 *mc;
struct inet6_dev *idev;
@@ -934,7 +940,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
/*
* device multicast group del
*/
-int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
+int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr)
{
struct ifmcaddr6 *ma, **map;
@@ -959,7 +965,7 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
return -ENOENT;
}
-int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
{
struct inet6_dev *idev = in6_dev_get(dev);
int err;
@@ -1004,8 +1010,8 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
/*
* check if the interface/address pair is valid
*/
-int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
- struct in6_addr *src_addr)
+int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
+ const struct in6_addr *src_addr)
{
struct inet6_dev *idev;
struct ifmcaddr6 *mc;
@@ -1393,10 +1399,12 @@ mld_scount(struct ifmcaddr6 *pmc, int type, int gdeleted, int sdeleted)
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;
+ const struct in6_addr *saddr;
int err;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
@@ -1415,10 +1423,11 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
* use unspecified address as the source address
* when a valid link-local address is not available.
*/
- memset(&addr_buf, 0, sizeof(addr_buf));
- }
+ saddr = &in6addr_any;
+ } else
+ saddr = &addr_buf;
- ip6_nd_hdr(sk, skb, dev, &addr_buf, &mld2_all_mcr, NEXTHDR_HOP, 0);
+ ip6_nd_hdr(sk, skb, dev, saddr, &mld2_all_mcr, NEXTHDR_HOP, 0);
memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
@@ -1433,25 +1442,6 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
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_INET_POST_ROUTING, skb, NULL, skb->dev,
- mld_dev_queue_xmit2);
-}
-
static void mld_sendpack(struct sk_buff *skb)
{
struct ipv6hdr *pip6 = ipv6_hdr(skb);
@@ -1459,7 +1449,9 @@ static void mld_sendpack(struct sk_buff *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);
@@ -1469,8 +1461,25 @@ static void mld_sendpack(struct sk_buff *skb)
pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen,
IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb),
mldlen, 0));
+
+ 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,
- mld_dev_queue_xmit);
+ dst_output);
+out:
if (!err) {
ICMP6MSGOUT_INC_STATS_BH(idev, ICMPV6_MLD2_REPORT);
ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
@@ -1480,6 +1489,11 @@ static void mld_sendpack(struct sk_buff *skb)
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)
@@ -1749,28 +1763,28 @@ static void mld_send_cr(struct inet6_dev *idev)
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;
- struct in6_addr *snd_addr;
+ const struct in6_addr *snd_addr, *saddr;
struct in6_addr *addrp;
struct in6_addr addr_buf;
- struct in6_addr all_routers;
int err, len, payload_len, full_len;
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),
IPSTATS_MIB_OUTREQUESTS);
rcu_read_unlock();
- snd_addr = addr;
- if (type == ICMPV6_MGM_REDUCTION) {
- snd_addr = &all_routers;
- ipv6_addr_all_routers(&all_routers);
- }
+ if (type == ICMPV6_MGM_REDUCTION)
+ snd_addr = &in6addr_linklocal_allrouters;
+ else
+ snd_addr = addr;
len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
payload_len = len + sizeof(ra);
@@ -1793,10 +1807,11 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
* use unspecified address as the source address
* when a valid link-local address is not available.
*/
- memset(&addr_buf, 0, sizeof(addr_buf));
- }
+ saddr = &in6addr_any;
+ } else
+ saddr = &addr_buf;
- ip6_nd_hdr(sk, skb, dev, &addr_buf, snd_addr, NEXTHDR_HOP, payload_len);
+ ip6_nd_hdr(sk, skb, dev, saddr, snd_addr, NEXTHDR_HOP, payload_len);
memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
@@ -1807,14 +1822,29 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
addrp = (struct in6_addr *) skb_put(skb, sizeof(struct in6_addr));
ipv6_addr_copy(addrp, addr);
- hdr->icmp6_cksum = csum_ipv6_magic(&addr_buf, snd_addr, len,
+ hdr->icmp6_cksum = csum_ipv6_magic(saddr, snd_addr, len,
IPPROTO_ICMPV6,
csum_partial((__u8 *) hdr, len, 0));
idev = in6_dev_get(skb->dev);
+ 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,
- mld_dev_queue_xmit);
+ dst_output);
+out:
if (!err) {
ICMP6MSGOUT_INC_STATS(idev, type);
ICMP6_INC_STATS(idev, ICMP6_MIB_OUTMSGS);
@@ -1825,6 +1855,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
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,
@@ -2276,24 +2310,19 @@ void ipv6_mc_init_dev(struct inet6_dev *idev)
void ipv6_mc_destroy_dev(struct inet6_dev *idev)
{
struct ifmcaddr6 *i;
- struct in6_addr maddr;
/* Deactivate timers */
ipv6_mc_down(idev);
/* Delete all-nodes address. */
- ipv6_addr_all_nodes(&maddr);
-
/* We cannot call ipv6_dev_mc_dec() directly, our caller in
* addrconf.c has NULL'd out dev->ip6_ptr so in6_dev_get() will
* fail.
*/
- __ipv6_dev_mc_dec(idev, &maddr);
+ __ipv6_dev_mc_dec(idev, &in6addr_linklocal_allnodes);
- if (idev->cnf.forwarding) {
- ipv6_addr_all_routers(&maddr);
- __ipv6_dev_mc_dec(idev, &maddr);
- }
+ if (idev->cnf.forwarding)
+ __ipv6_dev_mc_dec(idev, &in6addr_linklocal_allrouters);
write_lock_bh(&idev->lock);
while ((i = idev->mc_list) != NULL) {
@@ -2310,6 +2339,7 @@ void ipv6_mc_destroy_dev(struct inet6_dev *idev)
#ifdef CONFIG_PROC_FS
struct igmp6_mc_iter_state {
+ struct seq_net_private p;
struct net_device *dev;
struct inet6_dev *idev;
};
@@ -2320,9 +2350,10 @@ static inline struct ifmcaddr6 *igmp6_mc_get_first(struct seq_file *seq)
{
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)
@@ -2424,8 +2455,8 @@ static const struct seq_operations igmp6_mc_seq_ops = {
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 = {
@@ -2433,10 +2464,11 @@ 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;
@@ -2449,10 +2481,11 @@ static inline struct ip6_sf_list *igmp6_mcf_get_first(struct seq_file *seq)
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))
@@ -2584,8 +2617,8 @@ static const struct seq_operations igmp6_mcf_seq_ops = {
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 = {
@@ -2593,47 +2626,88 @@ 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 sock *sk;
int err;
- err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &igmp6_socket);
+ err = inet_ctl_sock_create(&net->ipv6.igmp_sk, PF_INET6,
+ SOCK_RAW, IPPROTO_ICMPV6, net);
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;
- sk->sk_allocation = GFP_ATOMIC;
- sk->sk_prot->unhash(sk);
+ inet6_sk(net->ipv6.igmp_sk)->hop_limit = 1;
- np = inet6_sk(sk);
- np->hop_limit = 1;
+ err = igmp6_proc_init(net);
+ if (err)
+ goto out_sock_create;
+out:
+ return err;
-#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
+out_sock_create:
+ inet_ctl_sock_destroy(net->ipv6.igmp_sk);
+ goto out;
+}
- return 0;
+static void igmp6_net_exit(struct net *net)
+{
+ inet_ctl_sock_destroy(net->ipv6.igmp_sk);
+ igmp6_proc_exit(net);
}
-void igmp6_cleanup(void)
+static struct pernet_operations igmp6_net_ops = {
+ .init = igmp6_net_init,
+ .exit = igmp6_net_exit,
+};
+
+int __init igmp6_init(void)
{
- sock_release(igmp6_socket);
- igmp6_socket = NULL; /* for safety */
+ return register_pernet_subsys(&igmp6_net_ops);
+}
-#ifdef CONFIG_PROC_FS
- proc_net_remove(&init_net, "mcfilter6");
- proc_net_remove(&init_net, "igmp6");
-#endif
+void igmp6_cleanup(void)
+{
+ unregister_pernet_subsys(&igmp6_net_ops);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.