/*
* PF_INET6 socket protocol family
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* Adapted from linux/net/ipv4/af_inet.c
*
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/sockios.h>
int try_loading_module = 0;
int err;
+ if (sock->type != SOCK_RAW &&
+ sock->type != SOCK_DGRAM &&
+ !inet_ehash_secret)
+ build_ehash_secret();
+
/* Look for the requested type/protocol pair. */
answer = NULL;
lookup_protocol:
sk->sk_reuse = 1;
inet = inet_sk(sk);
- inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) == INET_PROTOSW_ICSK;
+ inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
if (SOCK_RAW == sock->type) {
inet->num = protocol;
np->mc_loop = 1;
np->pmtudisc = IPV6_PMTUDISC_WANT;
np->ipv6only = sysctl_ipv6_bindv6only;
-
+
/* Init the ipv4 part of the socket since we can have sockets
* using v6 API for ipv4.
*/
inet->pmtudisc = IP_PMTUDISC_DONT;
else
inet->pmtudisc = IP_PMTUDISC_WANT;
- /*
+ /*
* Increment only the relevant sk_prot->socks debug field, this changes
* the previous behaviour of incrementing both the equivalent to
* answer->prot->socks (inet6_sock_nr) and inet_sock_nr.
*/
sk->sk_bound_dev_if = addr->sin6_scope_id;
}
-
+
/* Binding to link-local address requires an interface */
if (!sk->sk_bound_dev_if) {
err = -EINVAL;
inet->saddr = v4addr;
ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
-
+
if (!(addr_type & IPV6_ADDR_MULTICAST))
ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
return err;
}
+EXPORT_SYMBOL(inet6_bind);
+
int inet6_release(struct socket *sock)
{
struct sock *sk = sock->sk;
return inet_release(sock);
}
+EXPORT_SYMBOL(inet6_release);
+
int inet6_destroy_sock(struct sock *sk)
{
struct ipv6_pinfo *np = inet6_sk(sk);
/*
* This does both peername and sockname.
*/
-
+
int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
-
+
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
sin->sin6_scope_id = 0;
return(0);
}
+EXPORT_SYMBOL(inet6_getname);
+
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
- switch(cmd)
+ switch(cmd)
{
case SIOCGSTAMP:
return sock_get_timestamp(sk, (struct timeval __user *)arg);
+ case SIOCGSTAMPNS:
+ return sock_get_timestampns(sk, (struct timespec __user *)arg);
+
case SIOCADDRT:
case SIOCDELRT:
-
+
return(ipv6_route_ioctl(cmd,(void __user *)arg));
case SIOCSIFADDR:
return(0);
}
+EXPORT_SYMBOL(inet6_ioctl);
+
const struct proto_ops inet6_stream_ops = {
.family = PF_INET6,
.owner = THIS_MODULE,
/* Add the new entry after the last permanent entry if any, so that
* the new entry does not override a permanent entry when matched with
* a wild-card protocol. But it is allowed to override any existing
- * non-permanent entry. This means that when we remove this entry, the
+ * non-permanent entry. This means that when we remove this entry, the
* system automatically returns to the old behavior.
*/
list_add_rcu(&p->list, last_perm);
goto out;
}
+EXPORT_SYMBOL(inet6_register_protosw);
+
void
inet6_unregister_protosw(struct inet_protosw *p)
{
}
}
+EXPORT_SYMBOL(inet6_unregister_protosw);
+
int inet6_sk_rebuild_header(struct sock *sk)
{
int err;
if (np->rxopt.all) {
if ((opt->hop && (np->rxopt.bits.hopopts ||
np->rxopt.bits.ohopopts)) ||
- ((IPV6_FLOWINFO_MASK & *(__be32*)skb->nh.raw) &&
+ ((IPV6_FLOWINFO_MASK &
+ *(__be32 *)skb_network_header(skb)) &&
np->rxopt.bits.rxflow) ||
(opt->srcrt && (np->rxopt.bits.srcrt ||
np->rxopt.bits.osrcrt)) ||
EXPORT_SYMBOL_GPL(ipv6_opt_accepted);
-int
-snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign)
-{
- if (ptr == NULL)
- return -EINVAL;
-
- ptr[0] = __alloc_percpu(mibsize);
- if (!ptr[0])
- goto err0;
-
- ptr[1] = __alloc_percpu(mibsize);
- if (!ptr[1])
- goto err1;
-
- return 0;
-
-err1:
- free_percpu(ptr[0]);
- ptr[0] = NULL;
-err0:
- return -ENOMEM;
-}
-
-void
-snmp6_mib_free(void *ptr[2])
-{
- if (ptr == NULL)
- return;
- free_percpu(ptr[0]);
- free_percpu(ptr[1]);
- ptr[0] = ptr[1] = NULL;
-}
-
static int __init init_ipv6_mibs(void)
{
- if (snmp6_mib_init((void **)ipv6_statistics, sizeof (struct ipstats_mib),
- __alignof__(struct ipstats_mib)) < 0)
+ if (snmp_mib_init((void **)ipv6_statistics, sizeof (struct ipstats_mib),
+ __alignof__(struct ipstats_mib)) < 0)
goto err_ip_mib;
- if (snmp6_mib_init((void **)icmpv6_statistics, sizeof (struct icmpv6_mib),
- __alignof__(struct icmpv6_mib)) < 0)
+ if (snmp_mib_init((void **)icmpv6_statistics, sizeof (struct icmpv6_mib),
+ __alignof__(struct icmpv6_mib)) < 0)
goto err_icmp_mib;
- if (snmp6_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib),
- __alignof__(struct udp_mib)) < 0)
+ if (snmp_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib),
+ __alignof__(struct udp_mib)) < 0)
goto err_udp_mib;
- if (snmp6_mib_init((void **)udplite_stats_in6, sizeof (struct udp_mib),
- __alignof__(struct udp_mib)) < 0)
+ if (snmp_mib_init((void **)udplite_stats_in6, sizeof (struct udp_mib),
+ __alignof__(struct udp_mib)) < 0)
goto err_udplite_mib;
return 0;
err_udplite_mib:
- snmp6_mib_free((void **)udp_stats_in6);
+ snmp_mib_free((void **)udp_stats_in6);
err_udp_mib:
- snmp6_mib_free((void **)icmpv6_statistics);
+ snmp_mib_free((void **)icmpv6_statistics);
err_icmp_mib:
- snmp6_mib_free((void **)ipv6_statistics);
+ snmp_mib_free((void **)ipv6_statistics);
err_ip_mib:
return -ENOMEM;
-
+
}
static void cleanup_ipv6_mibs(void)
{
- snmp6_mib_free((void **)ipv6_statistics);
- snmp6_mib_free((void **)icmpv6_statistics);
- snmp6_mib_free((void **)udp_stats_in6);
- snmp6_mib_free((void **)udplite_stats_in6);
+ snmp_mib_free((void **)ipv6_statistics);
+ snmp_mib_free((void **)icmpv6_statistics);
+ snmp_mib_free((void **)udp_stats_in6);
+ snmp_mib_free((void **)udplite_stats_in6);
}
static int __init inet6_init(void)
{
struct sk_buff *dummy_skb;
- struct list_head *r;
+ struct list_head *r;
int err;
BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb));
err = init_ipv6_mibs();
if (err)
goto out_unregister_sock;
-
+
/*
* ipngwg API draft makes clear that the correct semantics
* for TCP and UDP is to consider one TCP and UDP instance
{
/* First of all disallow new sockets creation. */
sock_unregister(PF_INET6);
-#ifdef CONFIG_PROC_FS
- if6_proc_exit();
- ac6_proc_exit();
- ipv6_misc_proc_exit();
- udp6_proc_exit();
- udplite6_proc_exit();
- tcp6_proc_exit();
- raw6_proc_exit();
-#endif
+ /* Disallow any further netlink messages */
+ rtnl_unregister_all(PF_INET6);
+
+ /* Cleanup code parts. */
+ ipv6_packet_cleanup();
#ifdef CONFIG_IPV6_MIP6
mip6_fini();
#endif
- /* Cleanup code parts. */
- ip6_flowlabel_cleanup();
addrconf_cleanup();
+ ip6_flowlabel_cleanup();
ip6_route_cleanup();
- ipv6_packet_cleanup();
- igmp6_cleanup();
+#ifdef CONFIG_PROC_FS
+
+ /* Cleanup code parts. */
+ if6_proc_exit();
+ ac6_proc_exit();
+ ipv6_misc_proc_exit();
+ udplite6_proc_exit();
+ udp6_proc_exit();
+ tcp6_proc_exit();
+ raw6_proc_exit();
+#endif
ipv6_netfilter_fini();
+ igmp6_cleanup();
ndisc_cleanup();
icmpv6_cleanup();
#ifdef CONFIG_SYSCTL
- ipv6_sysctl_unregister();
+ ipv6_sysctl_unregister();
#endif
cleanup_ipv6_mibs();
proto_unregister(&rawv6_prot);
+ proto_unregister(&udplitev6_prot);
proto_unregister(&udpv6_prot);
proto_unregister(&tcpv6_prot);
}