#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. */
+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;
+ struct list_head *pos, *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;
+ list_add_tail(&addr->list, &sctp_local_addr_list);
+ }
+ break;
+ case NETDEV_DOWN:
+ list_for_each_safe(pos, temp, &sctp_local_addr_list) {
+ addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+ if (ipv6_addr_equal(&addr->a.v6.sin6_addr, &ifa->addr)) {
+ list_del(pos);
+ kfree(addr);
+ break;
+ }
+ }
+
+ 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;
savesctp = skb->h.raw;
skb->nh.ipv6h = iph;
skb->h.raw = (char *)sh;
- sk = sctp_err_lookup(AF_INET6, skb, sh, &ep, &asoc, &transport);
+ sk = sctp_err_lookup(AF_INET6, skb, sh, &asoc, &transport);
/* Put back, the original pointers. */
skb->nh.raw = saveip;
skb->h.raw = savesctp;
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));
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];
__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;
}
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) &&
+ 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));
}
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_unlock(&in6_dev->lock);
- read_unlock(&addrconf_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;
sh = (struct sctphdr *) skb->h.raw;
if (is_saddr) {
- *port = ntohs(sh->source);
+ *port = sh->source;
from = &skb->nh.ipv6h->saddr;
} else {
- *port = ntohs(sh->dest);
+ *port = sh->dest;
from = &skb->nh.ipv6h->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;
}
/* 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;
* 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 */
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);
/* 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. */
* 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 **pskb)
{
return sctp_rcv(*pskb) ? -1 : 0;
}
};
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 = {
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