#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/net.h>
-#include <linux/sched.h>
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/netdevice.h>
#include <linux/seq_file.h>
#include <net/protocol.h>
-#include <net/tcp.h>
#include <net/ndisc.h>
+#include <net/ip.h>
#include <net/ipv6.h>
#include <net/transp_v6.h>
#include <net/addrconf.h>
#include <asm/uaccess.h>
-extern int sctp_inetaddr_event(struct notifier_block *, unsigned long, void *);
+/* Event handler for inet6 address addition/deletion events.
+ * The sctp_local_addr_list needs to be protocted by a spin lock since
+ * multiple notifiers (say IPv4 and IPv6) may be running at the same
+ * time and thus corrupt the list.
+ * The reader side is protected with RCU.
+ */
+static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
+ void *ptr)
+{
+ struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
+ struct sctp_sockaddr_entry *addr = NULL;
+ struct sctp_sockaddr_entry *temp;
+
+ switch (ev) {
+ case NETDEV_UP:
+ addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+ if (addr) {
+ addr->a.v6.sin6_family = AF_INET6;
+ addr->a.v6.sin6_port = 0;
+ memcpy(&addr->a.v6.sin6_addr, &ifa->addr,
+ sizeof(struct in6_addr));
+ addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
+ addr->valid = 1;
+ spin_lock_bh(&sctp_local_addr_lock);
+ list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
+ spin_unlock_bh(&sctp_local_addr_lock);
+ }
+ break;
+ case NETDEV_DOWN:
+ spin_lock_bh(&sctp_local_addr_lock);
+ list_for_each_entry_safe(addr, temp,
+ &sctp_local_addr_list, list) {
+ if (ipv6_addr_equal(&addr->a.v6.sin6_addr,
+ &ifa->addr)) {
+ addr->valid = 0;
+ list_del_rcu(&addr->list);
+ break;
+ }
+ }
+ spin_unlock_bh(&sctp_local_addr_lock);
+ if (addr && !addr->valid)
+ call_rcu(&addr->rcu, sctp_local_addr_free);
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+
static struct notifier_block sctp_inet6addr_notifier = {
- .notifier_call = sctp_inetaddr_event,
+ .notifier_call = sctp_inet6addr_event,
};
/* ICMP error handler. */
SCTP_STATIC void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
- int type, int code, int offset, __u32 info)
+ int type, int code, int offset, __be32 info)
{
struct inet6_dev *idev;
- struct ipv6hdr *iph = (struct ipv6hdr *)skb->data;
- struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
struct sock *sk;
- struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct ipv6_pinfo *np;
- char *saveip, *savesctp;
+ sk_buff_data_t saveip, savesctp;
int err;
idev = in6_dev_get(skb->dev);
/* Fix up skb to look at the embedded net header. */
- saveip = skb->nh.raw;
- savesctp = skb->h.raw;
- skb->nh.ipv6h = iph;
- skb->h.raw = (char *)sh;
- sk = sctp_err_lookup(AF_INET6, skb, sh, &ep, &asoc, &transport);
+ saveip = skb->network_header;
+ savesctp = skb->transport_header;
+ skb_reset_network_header(skb);
+ skb_set_transport_header(skb, offset);
+ sk = sctp_err_lookup(AF_INET6, skb, sctp_hdr(skb), &asoc, &transport);
/* Put back, the original pointers. */
- skb->nh.raw = saveip;
- skb->h.raw = savesctp;
+ skb->network_header = saveip;
+ skb->transport_header = savesctp;
if (!sk) {
ICMP6_INC_STATS_BH(idev, ICMP6_MIB_INERRORS);
goto out;
goto out_unlock;
case ICMPV6_PARAMPROB:
if (ICMPV6_UNK_NEXTHDR == code) {
- sctp_icmp_proto_unreachable(sk, ep, asoc, transport);
+ sctp_icmp_proto_unreachable(sk, asoc, transport);
goto out_unlock;
}
break;
}
out_unlock:
- sctp_err_finish(sk, ep, asoc);
+ sctp_err_finish(sk, asoc);
out:
if (likely(idev != NULL))
in6_dev_put(idev);
fl.oif = transport->saddr.v6.sin6_scope_id;
else
fl.oif = sk->sk_bound_dev_if;
- fl.fl_ip_sport = inet_sk(sk)->sport;
- fl.fl_ip_dport = transport->ipaddr.v6.sin6_port;
if (np->opt && np->opt->srcrt) {
struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
}
SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, "
- "src:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
- "dst:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ "src:" NIP6_FMT " dst:" NIP6_FMT "\n",
__FUNCTION__, skb, skb->len,
NIP6(fl.fl6_src), NIP6(fl.fl6_dst));
ipv6_addr_copy(&fl.fl6_dst, &daddr->v6.sin6_addr);
if (ipv6_addr_type(&daddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL)
fl.oif = daddr->v6.sin6_scope_id;
-
- SCTP_DEBUG_PRINTK("%s: DST=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ",
+
+ SCTP_DEBUG_PRINTK("%s: DST=" NIP6_FMT " ",
__FUNCTION__, NIP6(fl.fl6_dst));
if (saddr) {
ipv6_addr_copy(&fl.fl6_src, &saddr->v6.sin6_addr);
SCTP_DEBUG_PRINTK(
- "SRC=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x - ",
+ "SRC=" NIP6_FMT " - ",
NIP6(fl.fl6_src));
}
dst = ip6_route_output(NULL, &fl);
- if (dst) {
+ if (!dst->error) {
struct rt6_info *rt;
rt = (struct rt6_info *)dst;
SCTP_DEBUG_PRINTK(
- "rt6_dst:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
- "rt6_src:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ "rt6_dst:" NIP6_FMT " rt6_src:" NIP6_FMT "\n",
NIP6(rt->rt6i_dst.addr), NIP6(rt->rt6i_src.addr));
- } else {
- SCTP_DEBUG_PRINTK("NO ROUTE\n");
+ return dst;
}
-
- return dst;
+ SCTP_DEBUG_PRINTK("NO ROUTE\n");
+ dst_release(dst);
+ return NULL;
}
/* Returns the number of consecutive initial bits that match in the 2 ipv6
int i, j;
for (i = 0; i < 4 ; i++) {
- __u32 a1xora2;
+ __be32 a1xora2;
a1xora2 = a1->s6_addr32[i] ^ a2->s6_addr32[i];
union sctp_addr *saddr)
{
struct sctp_bind_addr *bp;
- rwlock_t *addr_lock;
struct sctp_sockaddr_entry *laddr;
- struct list_head *pos;
sctp_scope_t scope;
union sctp_addr *baddr = NULL;
__u8 matchlen = 0;
__u8 bmatchlen;
SCTP_DEBUG_PRINTK("%s: asoc:%p dst:%p "
- "daddr:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ",
+ "daddr:" NIP6_FMT " ",
__FUNCTION__, asoc, dst, NIP6(daddr->v6.sin6_addr));
if (!asoc) {
ipv6_get_saddr(dst, &daddr->v6.sin6_addr,&saddr->v6.sin6_addr);
- SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: "
- "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: " NIP6_FMT "\n",
NIP6(saddr->v6.sin6_addr));
return;
}
scope = sctp_scope(daddr);
bp = &asoc->base.bind_addr;
- addr_lock = &asoc->base.addr_lock;
/* Go through the bind address list and find the best source address
* that matches the scope of the destination address.
*/
- sctp_read_lock(addr_lock);
- list_for_each(pos, &bp->address_list) {
- laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
- if ((laddr->a.sa.sa_family == AF_INET6) &&
+ rcu_read_lock();
+ list_for_each_entry_rcu(laddr, &bp->address_list, list) {
+ if (!laddr->valid)
+ continue;
+ if ((laddr->use_as_src) &&
+ (laddr->a.sa.sa_family == AF_INET6) &&
(scope <= sctp_scope(&laddr->a))) {
bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
if (!baddr || (matchlen < bmatchlen)) {
if (baddr) {
memcpy(saddr, baddr, sizeof(union sctp_addr));
- SCTP_DEBUG_PRINTK("saddr: "
- "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ SCTP_DEBUG_PRINTK("saddr: " NIP6_FMT "\n",
NIP6(saddr->v6.sin6_addr));
} else {
printk(KERN_ERR "%s: asoc:%p Could not find a valid source "
- "address for the "
- "dest:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ "address for the dest:" NIP6_FMT "\n",
__FUNCTION__, asoc, NIP6(daddr->v6.sin6_addr));
}
- sctp_read_unlock(addr_lock);
+ rcu_read_unlock();
}
/* Make a copy of all potential local addresses. */
struct inet6_ifaddr *ifp;
struct sctp_sockaddr_entry *addr;
- read_lock(&addrconf_lock);
+ rcu_read_lock();
if ((in6_dev = __in6_dev_get(dev)) == NULL) {
- read_unlock(&addrconf_lock);
+ rcu_read_unlock();
return;
}
- read_lock(&in6_dev->lock);
+ read_lock_bh(&in6_dev->lock);
for (ifp = in6_dev->addr_list; ifp; ifp = ifp->if_next) {
/* Add the address to the local list. */
addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC);
addr->a.v6.sin6_port = 0;
addr->a.v6.sin6_addr = ifp->addr;
addr->a.v6.sin6_scope_id = dev->ifindex;
+ addr->valid = 1;
INIT_LIST_HEAD(&addr->list);
+ INIT_RCU_HEAD(&addr->rcu);
list_add_tail(&addr->list, addrlist);
}
}
- read_unlock(&in6_dev->lock);
- read_unlock(&addrconf_lock);
+ read_unlock_bh(&in6_dev->lock);
+ rcu_read_unlock();
}
/* Initialize a sockaddr_storage from in incoming skb. */
int is_saddr)
{
void *from;
- __u16 *port;
+ __be16 *port;
struct sctphdr *sh;
port = &addr->v6.sin6_port;
addr->v6.sin6_flowinfo = 0; /* FIXME */
addr->v6.sin6_scope_id = ((struct inet6_skb_parm *)skb->cb)->iif;
- sh = (struct sctphdr *) skb->h.raw;
+ sh = sctp_hdr(skb);
if (is_saddr) {
- *port = ntohs(sh->source);
- from = &skb->nh.ipv6h->saddr;
+ *port = sh->source;
+ from = &ipv6_hdr(skb)->saddr;
} else {
- *port = ntohs(sh->dest);
- from = &skb->nh.ipv6h->daddr;
+ *port = sh->dest;
+ from = &ipv6_hdr(skb)->daddr;
}
ipv6_addr_copy(&addr->v6.sin6_addr, from);
}
static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)
{
addr->v6.sin6_family = AF_INET6;
- addr->v6.sin6_port = inet_sk(sk)->num;
+ addr->v6.sin6_port = 0;
addr->v6.sin6_addr = inet6_sk(sk)->rcv_saddr;
}
/* Initialize a sctp_addr from an address parameter. */
static void sctp_v6_from_addr_param(union sctp_addr *addr,
union sctp_addr_param *param,
- __u16 port, int iif)
+ __be16 port, int iif)
{
addr->v6.sin6_family = AF_INET6;
addr->v6.sin6_port = port;
int length = sizeof(sctp_ipv6addr_param_t);
param->v6.param_hdr.type = SCTP_PARAM_IPV6_ADDRESS;
- param->v6.param_hdr.length = ntohs(length);
+ param->v6.param_hdr.length = htons(length);
ipv6_addr_copy(¶m->v6.addr, &addr->v6.sin6_addr);
return length;
/* Initialize a sctp_addr from a dst_entry. */
static void sctp_v6_dst_saddr(union sctp_addr *addr, struct dst_entry *dst,
- unsigned short port)
+ __be16 port)
{
struct rt6_info *rt = (struct rt6_info *)dst;
addr->sa.sa_family = AF_INET6;
if (addr1->sa.sa_family != addr2->sa.sa_family) {
if (addr1->sa.sa_family == AF_INET &&
addr2->sa.sa_family == AF_INET6 &&
- IPV6_ADDR_MAPPED == ipv6_addr_type(&addr2->v6.sin6_addr)) {
+ ipv6_addr_v4mapped(&addr2->v6.sin6_addr)) {
if (addr2->v6.sin6_port == addr1->v4.sin_port &&
addr2->v6.sin6_addr.s6_addr32[3] ==
addr1->v4.sin_addr.s_addr)
}
if (addr2->sa.sa_family == AF_INET &&
addr1->sa.sa_family == AF_INET6 &&
- IPV6_ADDR_MAPPED == ipv6_addr_type(&addr1->v6.sin6_addr)) {
+ ipv6_addr_v4mapped(&addr1->v6.sin6_addr)) {
if (addr1->v6.sin6_port == addr2->v4.sin_port &&
addr1->v6.sin6_addr.s6_addr32[3] ==
addr2->v4.sin_addr.s_addr)
}
/* Initialize addr struct to INADDR_ANY. */
-static void sctp_v6_inaddr_any(union sctp_addr *addr, unsigned short port)
+static void sctp_v6_inaddr_any(union sctp_addr *addr, __be16 port)
{
memset(addr, 0x00, sizeof(union sctp_addr));
addr->v6.sin6_family = AF_INET6;
/* Is this a wildcard address? */
static int sctp_v6_is_any(const union sctp_addr *addr)
{
- int type;
- type = ipv6_addr_type((struct in6_addr *)&addr->v6.sin6_addr);
- return IPV6_ADDR_ANY == type;
+ return ipv6_addr_any(&addr->v6.sin6_addr);
}
/* Should this be available for binding? */
* Return 0 - If the address is a non-unicast or an illegal address.
* Return 1 - If the address is a unicast.
*/
-static int sctp_v6_addr_valid(union sctp_addr *addr, struct sctp_sock *sp)
+static int sctp_v6_addr_valid(union sctp_addr *addr,
+ struct sctp_sock *sp,
+ const struct sk_buff *skb)
{
int ret = ipv6_addr_type(&addr->v6.sin6_addr);
if (sp && ipv6_only_sock(sctp_opt2sk(sp)))
return 0;
sctp_v6_map_v4(addr);
- return sctp_get_af_specific(AF_INET)->addr_valid(addr, sp);
+ return sctp_get_af_specific(AF_INET)->addr_valid(addr, sp, skb);
}
/* Is this a non-unicast address */
default:
retval = SCTP_SCOPE_GLOBAL;
break;
- };
+ }
return retval;
}
struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
struct sctp6_sock *newsctp6sk;
- newsk = sk_alloc(PF_INET6, GFP_KERNEL, sk->sk_prot, 1);
+ newsk = sk_alloc(sk->sk_net, PF_INET6, GFP_KERNEL, sk->sk_prot, 1);
if (!newsk)
goto out;
newsctp6sk = (struct sctp6_sock *)newsk;
inet_sk(newsk)->pinet6 = &newsctp6sk->inet6;
+ sctp_sk(newsk)->v4mapped = sctp_sk(sk)->v4mapped;
+
newinet = inet_sk(newsk);
newnp = inet6_sk(newsk);
else
newinet->pmtudisc = IP_PMTUDISC_WANT;
-#ifdef INET_REFCNT_DEBUG
- atomic_inc(&inet6_sock_nr);
- atomic_inc(&inet_sock_nr);
-#endif
+ sk_refcnt_debug_inc(newsk);
if (newsk->sk_prot->init(newsk)) {
sk_common_release(newsk);
/* Was this packet marked by Explicit Congestion Notification? */
static int sctp_v6_is_ce(const struct sk_buff *skb)
{
- return *((__u32 *)(skb->nh.ipv6h)) & htonl(1<<20);
+ return *((__u32 *)(ipv6_hdr(skb))) & htonl(1 << 20);
}
/* Dump the v6 addr to the seq file. */
static void sctp_v6_seq_dump_addr(struct seq_file *seq, union sctp_addr *addr)
{
- seq_printf(seq, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ",
- NIP6(addr->v6.sin6_addr));
+ seq_printf(seq, NIP6_FMT " ", NIP6(addr->v6.sin6_addr));
}
/* Initialize a PF_INET6 socket msg_name. */
if (msgname) {
sctp_inet6_msgname(msgname, addr_len);
sin6 = (struct sockaddr_in6 *)msgname;
- sh = (struct sctphdr *)skb->h.raw;
+ sh = sctp_hdr(skb);
sin6->sin6_port = sh->source;
/* Map ipv4 address into v4-mapped-on-v6 address. */
if (sctp_sk(skb->sk)->v4mapped &&
- skb->nh.iph->version == 4) {
+ ip_hdr(skb)->version == 4) {
sctp_v4_map_v6((union sctp_addr *)sin6);
- sin6->sin6_addr.s6_addr32[3] = skb->nh.iph->saddr;
+ sin6->sin6_addr.s6_addr32[3] = ip_hdr(skb)->saddr;
return;
}
/* Otherwise, just copy the v6 address. */
- ipv6_addr_copy(&sin6->sin6_addr, &skb->nh.ipv6h->saddr);
+ ipv6_addr_copy(&sin6->sin6_addr, &ipv6_hdr(skb)->saddr);
if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) {
struct sctp_ulpevent *ev = sctp_skb2event(skb);
sin6->sin6_scope_id = ev->iif;
if (addr->sa.sa_family != AF_INET6)
af = sctp_get_af_specific(addr->sa.sa_family);
else {
- struct sock *sk;
int type = ipv6_addr_type(&addr->v6.sin6_addr);
- sk = sctp_opt2sk(opt);
+ struct net_device *dev;
+
if (type & IPV6_ADDR_LINKLOCAL) {
- /* Note: Behavior similar to af_inet6.c:
- * 1) Overrides previous bound_dev_if
- * 2) Destructive even if bind isn't successful.
- */
-
- if (addr->v6.sin6_scope_id)
- sk->sk_bound_dev_if = addr->v6.sin6_scope_id;
- if (!sk->sk_bound_dev_if)
+ if (!addr->v6.sin6_scope_id)
return 0;
+ dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id);
+ if (!dev)
+ return 0;
+ if (!ipv6_chk_addr(&addr->v6.sin6_addr, dev, 0)) {
+ dev_put(dev);
+ return 0;
+ }
+ dev_put(dev);
}
af = opt->pf->af;
}
return af->available(addr, opt);
}
-/* Verify that the provided sockaddr looks bindable. Common verification,
+/* Verify that the provided sockaddr looks sendable. Common verification,
* has already been taken care of.
*/
static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr)
if (addr->sa.sa_family != AF_INET6)
af = sctp_get_af_specific(addr->sa.sa_family);
else {
- struct sock *sk;
int type = ipv6_addr_type(&addr->v6.sin6_addr);
- sk = sctp_opt2sk(opt);
+ struct net_device *dev;
+
if (type & IPV6_ADDR_LINKLOCAL) {
- /* Note: Behavior similar to af_inet6.c:
- * 1) Overrides previous bound_dev_if
- * 2) Destructive even if bind isn't successful.
- */
-
- if (addr->v6.sin6_scope_id)
- sk->sk_bound_dev_if = addr->v6.sin6_scope_id;
- if (!sk->sk_bound_dev_if)
+ if (!addr->v6.sin6_scope_id)
+ return 0;
+ dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id);
+ if (!dev)
return 0;
+ dev_put(dev);
}
af = opt->pf->af;
}
* Returns number of addresses supported.
*/
static int sctp_inet6_supported_addrs(const struct sctp_sock *opt,
- __u16 *types)
+ __be16 *types)
{
types[0] = SCTP_PARAM_IPV4_ADDRESS;
types[1] = SCTP_PARAM_IPV6_ADDRESS;
return 2;
}
-static struct proto_ops inet6_seqpacket_ops = {
- .family = PF_INET6,
- .owner = THIS_MODULE,
- .release = inet6_release,
- .bind = inet6_bind,
- .connect = inet_dgram_connect,
- .socketpair = sock_no_socketpair,
- .accept = inet_accept,
- .getname = inet6_getname,
- .poll = sctp_poll,
- .ioctl = inet6_ioctl,
- .listen = sctp_inet_listen,
- .shutdown = inet_shutdown,
- .setsockopt = sock_common_setsockopt,
- .getsockopt = sock_common_getsockopt,
- .sendmsg = inet_sendmsg,
- .recvmsg = sock_common_recvmsg,
- .mmap = sock_no_mmap,
+static const struct proto_ops inet6_seqpacket_ops = {
+ .family = PF_INET6,
+ .owner = THIS_MODULE,
+ .release = inet6_release,
+ .bind = inet6_bind,
+ .connect = inet_dgram_connect,
+ .socketpair = sock_no_socketpair,
+ .accept = inet_accept,
+ .getname = inet6_getname,
+ .poll = sctp_poll,
+ .ioctl = inet6_ioctl,
+ .listen = sctp_inet_listen,
+ .shutdown = inet_shutdown,
+ .setsockopt = sock_common_setsockopt,
+ .getsockopt = sock_common_getsockopt,
+ .sendmsg = inet_sendmsg,
+ .recvmsg = sock_common_recvmsg,
+ .mmap = sock_no_mmap,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_sock_common_setsockopt,
+ .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
};
static struct inet_protosw sctpv6_seqpacket_protosw = {
.flags = SCTP_PROTOSW_FLAG,
};
-static int sctp6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
+static int sctp6_rcv(struct sk_buff *skb)
{
- return sctp_rcv(*pskb) ? -1 : 0;
+ return sctp_rcv(skb) ? -1 : 0;
}
static struct inet6_protocol sctpv6_protocol = {
};
static struct sctp_af sctp_ipv6_specific = {
- .sctp_xmit = sctp_v6_xmit,
- .setsockopt = ipv6_setsockopt,
- .getsockopt = ipv6_getsockopt,
- .get_dst = sctp_v6_get_dst,
- .get_saddr = sctp_v6_get_saddr,
- .copy_addrlist = sctp_v6_copy_addrlist,
- .from_skb = sctp_v6_from_skb,
- .from_sk = sctp_v6_from_sk,
- .to_sk_saddr = sctp_v6_to_sk_saddr,
- .to_sk_daddr = sctp_v6_to_sk_daddr,
- .from_addr_param = sctp_v6_from_addr_param,
- .to_addr_param = sctp_v6_to_addr_param,
- .dst_saddr = sctp_v6_dst_saddr,
- .cmp_addr = sctp_v6_cmp_addr,
- .scope = sctp_v6_scope,
- .addr_valid = sctp_v6_addr_valid,
- .inaddr_any = sctp_v6_inaddr_any,
- .is_any = sctp_v6_is_any,
- .available = sctp_v6_available,
- .skb_iif = sctp_v6_skb_iif,
- .is_ce = sctp_v6_is_ce,
- .seq_dump_addr = sctp_v6_seq_dump_addr,
- .net_header_len = sizeof(struct ipv6hdr),
- .sockaddr_len = sizeof(struct sockaddr_in6),
- .sa_family = AF_INET6,
+ .sa_family = AF_INET6,
+ .sctp_xmit = sctp_v6_xmit,
+ .setsockopt = ipv6_setsockopt,
+ .getsockopt = ipv6_getsockopt,
+ .get_dst = sctp_v6_get_dst,
+ .get_saddr = sctp_v6_get_saddr,
+ .copy_addrlist = sctp_v6_copy_addrlist,
+ .from_skb = sctp_v6_from_skb,
+ .from_sk = sctp_v6_from_sk,
+ .to_sk_saddr = sctp_v6_to_sk_saddr,
+ .to_sk_daddr = sctp_v6_to_sk_daddr,
+ .from_addr_param = sctp_v6_from_addr_param,
+ .to_addr_param = sctp_v6_to_addr_param,
+ .dst_saddr = sctp_v6_dst_saddr,
+ .cmp_addr = sctp_v6_cmp_addr,
+ .scope = sctp_v6_scope,
+ .addr_valid = sctp_v6_addr_valid,
+ .inaddr_any = sctp_v6_inaddr_any,
+ .is_any = sctp_v6_is_any,
+ .available = sctp_v6_available,
+ .skb_iif = sctp_v6_skb_iif,
+ .is_ce = sctp_v6_is_ce,
+ .seq_dump_addr = sctp_v6_seq_dump_addr,
+ .net_header_len = sizeof(struct ipv6hdr),
+ .sockaddr_len = sizeof(struct sockaddr_in6),
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ipv6_setsockopt,
+ .compat_getsockopt = compat_ipv6_getsockopt,
+#endif
};
static struct sctp_pf sctp_pf_inet6_specific = {
.af = &sctp_ipv6_specific,
};
-/* Initialize IPv6 support and register with inet6 stack. */
+/* Initialize IPv6 support and register with socket layer. */
int sctp_v6_init(void)
{
- int rc = proto_register(&sctpv6_prot, 1);
+ int rc;
+
+ /* Register the SCTP specific PF_INET6 functions. */
+ sctp_register_pf(&sctp_pf_inet6_specific, PF_INET6);
+ /* Register the SCTP specific AF_INET6 functions. */
+ sctp_register_af(&sctp_ipv6_specific);
+
+ rc = proto_register(&sctpv6_prot, 1);
if (rc)
- goto out;
- /* Register inet6 protocol. */
- rc = -EAGAIN;
- if (inet6_add_protocol(&sctpv6_protocol, IPPROTO_SCTP) < 0)
- goto out_unregister_sctp_proto;
+ return rc;
/* Add SCTPv6(UDP and TCP style) to inetsw6 linked list. */
inet6_register_protosw(&sctpv6_seqpacket_protosw);
inet6_register_protosw(&sctpv6_stream_protosw);
- /* Register the SCTP specific PF_INET6 functions. */
- sctp_register_pf(&sctp_pf_inet6_specific, PF_INET6);
-
- /* Register the SCTP specific AF_INET6 functions. */
- sctp_register_af(&sctp_ipv6_specific);
+ return 0;
+}
+/* Register with inet6 layer. */
+int sctp_v6_add_protocol(void)
+{
/* Register notifier for inet6 address additions/deletions. */
register_inet6addr_notifier(&sctp_inet6addr_notifier);
- rc = 0;
-out:
- return rc;
-out_unregister_sctp_proto:
- proto_unregister(&sctpv6_prot);
- goto out;
+
+ if (inet6_add_protocol(&sctpv6_protocol, IPPROTO_SCTP) < 0)
+ return -EAGAIN;
+
+ return 0;
}
/* IPv6 specific exit support. */
void sctp_v6_exit(void)
{
- list_del(&sctp_ipv6_specific.list);
- inet6_del_protocol(&sctpv6_protocol, IPPROTO_SCTP);
inet6_unregister_protosw(&sctpv6_seqpacket_protosw);
inet6_unregister_protosw(&sctpv6_stream_protosw);
- unregister_inet6addr_notifier(&sctp_inet6addr_notifier);
proto_unregister(&sctpv6_prot);
+ list_del(&sctp_ipv6_specific.list);
+}
+
+/* Unregister with inet6 layer. */
+void sctp_v6_del_protocol(void)
+{
+ inet6_del_protocol(&sctpv6_protocol, IPPROTO_SCTP);
+ unregister_inet6addr_notifier(&sctp_inet6addr_notifier);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff