/*
|
/*
|
* PF_INET6 socket protocol family
|
* PF_INET6 socket protocol family
|
* Linux INET6 implementation
|
* Linux INET6 implementation
|
*
|
*
|
* Authors:
|
* Authors:
|
* Pedro Roque <roque@di.fc.ul.pt>
|
* Pedro Roque <roque@di.fc.ul.pt>
|
*
|
*
|
* Adapted from linux/net/ipv4/af_inet.c
|
* Adapted from linux/net/ipv4/af_inet.c
|
*
|
*
|
* $Id: af_inet6.c,v 1.1.1.1 2004-04-15 01:14:39 phoenix Exp $
|
* $Id: af_inet6.c,v 1.1.1.1 2004-04-15 01:14:39 phoenix Exp $
|
*
|
*
|
* Fixes:
|
* Fixes:
|
* piggy, Karl Knutson : Socket protocol table
|
* piggy, Karl Knutson : Socket protocol table
|
* Hideaki YOSHIFUJI : sin6_scope_id support
|
* Hideaki YOSHIFUJI : sin6_scope_id support
|
* Arnaldo Melo : check proc_net_create return, cleanups
|
* Arnaldo Melo : check proc_net_create return, cleanups
|
*
|
*
|
* This program is free software; you can redistribute it and/or
|
* This program is free software; you can redistribute it and/or
|
* modify it under the terms of the GNU General Public License
|
* modify it under the terms of the GNU General Public License
|
* as published by the Free Software Foundation; either version
|
* as published by the Free Software Foundation; either version
|
* 2 of the License, or (at your option) any later version.
|
* 2 of the License, or (at your option) any later version.
|
*/
|
*/
|
|
|
|
|
#include <linux/module.h>
|
#include <linux/module.h>
|
#include <linux/config.h>
|
#include <linux/config.h>
|
#include <linux/errno.h>
|
#include <linux/errno.h>
|
#include <linux/types.h>
|
#include <linux/types.h>
|
#include <linux/socket.h>
|
#include <linux/socket.h>
|
#include <linux/in.h>
|
#include <linux/in.h>
|
#include <linux/kernel.h>
|
#include <linux/kernel.h>
|
#include <linux/major.h>
|
#include <linux/major.h>
|
#include <linux/sched.h>
|
#include <linux/sched.h>
|
#include <linux/timer.h>
|
#include <linux/timer.h>
|
#include <linux/string.h>
|
#include <linux/string.h>
|
#include <linux/sockios.h>
|
#include <linux/sockios.h>
|
#include <linux/net.h>
|
#include <linux/net.h>
|
#include <linux/fcntl.h>
|
#include <linux/fcntl.h>
|
#include <linux/mm.h>
|
#include <linux/mm.h>
|
#include <linux/interrupt.h>
|
#include <linux/interrupt.h>
|
#include <linux/proc_fs.h>
|
#include <linux/proc_fs.h>
|
#include <linux/stat.h>
|
#include <linux/stat.h>
|
#include <linux/init.h>
|
#include <linux/init.h>
|
#include <linux/version.h>
|
#include <linux/version.h>
|
|
|
#include <linux/inet.h>
|
#include <linux/inet.h>
|
#include <linux/netdevice.h>
|
#include <linux/netdevice.h>
|
#include <linux/icmpv6.h>
|
#include <linux/icmpv6.h>
|
#include <linux/brlock.h>
|
#include <linux/brlock.h>
|
#include <linux/smp_lock.h>
|
#include <linux/smp_lock.h>
|
|
|
#include <net/ip.h>
|
#include <net/ip.h>
|
#include <net/ipv6.h>
|
#include <net/ipv6.h>
|
#include <net/udp.h>
|
#include <net/udp.h>
|
#include <net/tcp.h>
|
#include <net/tcp.h>
|
#include <net/ipip.h>
|
#include <net/ipip.h>
|
#include <net/protocol.h>
|
#include <net/protocol.h>
|
#include <net/inet_common.h>
|
#include <net/inet_common.h>
|
#include <net/transp_v6.h>
|
#include <net/transp_v6.h>
|
#include <net/ip6_route.h>
|
#include <net/ip6_route.h>
|
#include <net/addrconf.h>
|
#include <net/addrconf.h>
|
|
|
#include <asm/uaccess.h>
|
#include <asm/uaccess.h>
|
#include <asm/system.h>
|
#include <asm/system.h>
|
|
|
#ifdef MODULE
|
#ifdef MODULE
|
static int unloadable = 0; /* XX: Turn to one when all is ok within the
|
static int unloadable = 0; /* XX: Turn to one when all is ok within the
|
module for allowing unload */
|
module for allowing unload */
|
#endif
|
#endif
|
|
|
#if defined(MODULE) && LINUX_VERSION_CODE > 0x20115
|
#if defined(MODULE) && LINUX_VERSION_CODE > 0x20115
|
MODULE_AUTHOR("Cast of dozens");
|
MODULE_AUTHOR("Cast of dozens");
|
MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
|
MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
|
MODULE_PARM(unloadable, "i");
|
MODULE_PARM(unloadable, "i");
|
#endif
|
#endif
|
|
|
/* IPv6 procfs goodies... */
|
/* IPv6 procfs goodies... */
|
|
|
#ifdef CONFIG_PROC_FS
|
#ifdef CONFIG_PROC_FS
|
extern int anycast6_get_info(char *, char **, off_t, int);
|
extern int anycast6_get_info(char *, char **, off_t, int);
|
extern int raw6_get_info(char *, char **, off_t, int);
|
extern int raw6_get_info(char *, char **, off_t, int);
|
extern int tcp6_get_info(char *, char **, off_t, int);
|
extern int tcp6_get_info(char *, char **, off_t, int);
|
extern int udp6_get_info(char *, char **, off_t, int);
|
extern int udp6_get_info(char *, char **, off_t, int);
|
extern int afinet6_get_info(char *, char **, off_t, int);
|
extern int afinet6_get_info(char *, char **, off_t, int);
|
extern int afinet6_get_snmp(char *, char **, off_t, int);
|
extern int afinet6_get_snmp(char *, char **, off_t, int);
|
#endif
|
#endif
|
|
|
#ifdef CONFIG_SYSCTL
|
#ifdef CONFIG_SYSCTL
|
extern void ipv6_sysctl_register(void);
|
extern void ipv6_sysctl_register(void);
|
extern void ipv6_sysctl_unregister(void);
|
extern void ipv6_sysctl_unregister(void);
|
#endif
|
#endif
|
|
|
int sysctl_ipv6_bindv6only;
|
int sysctl_ipv6_bindv6only;
|
|
|
#ifdef INET_REFCNT_DEBUG
|
#ifdef INET_REFCNT_DEBUG
|
atomic_t inet6_sock_nr;
|
atomic_t inet6_sock_nr;
|
#endif
|
#endif
|
|
|
/* The inetsw table contains everything that inet_create needs to
|
/* The inetsw table contains everything that inet_create needs to
|
* build a new socket.
|
* build a new socket.
|
*/
|
*/
|
struct list_head inetsw6[SOCK_MAX];
|
struct list_head inetsw6[SOCK_MAX];
|
|
|
static void inet6_sock_destruct(struct sock *sk)
|
static void inet6_sock_destruct(struct sock *sk)
|
{
|
{
|
inet_sock_destruct(sk);
|
inet_sock_destruct(sk);
|
|
|
#ifdef INET_REFCNT_DEBUG
|
#ifdef INET_REFCNT_DEBUG
|
atomic_dec(&inet6_sock_nr);
|
atomic_dec(&inet6_sock_nr);
|
#endif
|
#endif
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
}
|
}
|
|
|
static int inet6_create(struct socket *sock, int protocol)
|
static int inet6_create(struct socket *sock, int protocol)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
struct list_head *p;
|
struct list_head *p;
|
struct inet_protosw *answer;
|
struct inet_protosw *answer;
|
|
|
sk = sk_alloc(PF_INET6, GFP_KERNEL, 1);
|
sk = sk_alloc(PF_INET6, GFP_KERNEL, 1);
|
if (sk == NULL)
|
if (sk == NULL)
|
goto do_oom;
|
goto do_oom;
|
|
|
/* Look for the requested type/protocol pair. */
|
/* Look for the requested type/protocol pair. */
|
answer = NULL;
|
answer = NULL;
|
br_read_lock_bh(BR_NETPROTO_LOCK);
|
br_read_lock_bh(BR_NETPROTO_LOCK);
|
list_for_each(p, &inetsw6[sock->type]) {
|
list_for_each(p, &inetsw6[sock->type]) {
|
answer = list_entry(p, struct inet_protosw, list);
|
answer = list_entry(p, struct inet_protosw, list);
|
|
|
/* Check the non-wild match. */
|
/* Check the non-wild match. */
|
if (protocol == answer->protocol) {
|
if (protocol == answer->protocol) {
|
if (protocol != IPPROTO_IP)
|
if (protocol != IPPROTO_IP)
|
break;
|
break;
|
} else {
|
} else {
|
/* Check for the two wild cases. */
|
/* Check for the two wild cases. */
|
if (IPPROTO_IP == protocol) {
|
if (IPPROTO_IP == protocol) {
|
protocol = answer->protocol;
|
protocol = answer->protocol;
|
break;
|
break;
|
}
|
}
|
if (IPPROTO_IP == answer->protocol)
|
if (IPPROTO_IP == answer->protocol)
|
break;
|
break;
|
}
|
}
|
answer = NULL;
|
answer = NULL;
|
}
|
}
|
br_read_unlock_bh(BR_NETPROTO_LOCK);
|
br_read_unlock_bh(BR_NETPROTO_LOCK);
|
|
|
if (!answer)
|
if (!answer)
|
goto free_and_badtype;
|
goto free_and_badtype;
|
if (answer->capability > 0 && !capable(answer->capability))
|
if (answer->capability > 0 && !capable(answer->capability))
|
goto free_and_badperm;
|
goto free_and_badperm;
|
if (!protocol)
|
if (!protocol)
|
goto free_and_noproto;
|
goto free_and_noproto;
|
|
|
sock->ops = answer->ops;
|
sock->ops = answer->ops;
|
sock_init_data(sock, sk);
|
sock_init_data(sock, sk);
|
|
|
sk->prot = answer->prot;
|
sk->prot = answer->prot;
|
sk->no_check = answer->no_check;
|
sk->no_check = answer->no_check;
|
if (INET_PROTOSW_REUSE & answer->flags)
|
if (INET_PROTOSW_REUSE & answer->flags)
|
sk->reuse = 1;
|
sk->reuse = 1;
|
|
|
if (SOCK_RAW == sock->type) {
|
if (SOCK_RAW == sock->type) {
|
sk->num = protocol;
|
sk->num = protocol;
|
if (IPPROTO_RAW == protocol)
|
if (IPPROTO_RAW == protocol)
|
sk->protinfo.af_inet.hdrincl = 1;
|
sk->protinfo.af_inet.hdrincl = 1;
|
}
|
}
|
|
|
sk->destruct = inet6_sock_destruct;
|
sk->destruct = inet6_sock_destruct;
|
sk->zapped = 0;
|
sk->zapped = 0;
|
sk->family = PF_INET6;
|
sk->family = PF_INET6;
|
sk->protocol = protocol;
|
sk->protocol = protocol;
|
|
|
sk->backlog_rcv = answer->prot->backlog_rcv;
|
sk->backlog_rcv = answer->prot->backlog_rcv;
|
|
|
sk->net_pinfo.af_inet6.hop_limit = -1;
|
sk->net_pinfo.af_inet6.hop_limit = -1;
|
sk->net_pinfo.af_inet6.mcast_hops = -1;
|
sk->net_pinfo.af_inet6.mcast_hops = -1;
|
sk->net_pinfo.af_inet6.mc_loop = 1;
|
sk->net_pinfo.af_inet6.mc_loop = 1;
|
sk->net_pinfo.af_inet6.pmtudisc = IPV6_PMTUDISC_WANT;
|
sk->net_pinfo.af_inet6.pmtudisc = IPV6_PMTUDISC_WANT;
|
|
|
sk->net_pinfo.af_inet6.ipv6only = sysctl_ipv6_bindv6only;
|
sk->net_pinfo.af_inet6.ipv6only = sysctl_ipv6_bindv6only;
|
|
|
/* Init the ipv4 part of the socket since we can have sockets
|
/* Init the ipv4 part of the socket since we can have sockets
|
* using v6 API for ipv4.
|
* using v6 API for ipv4.
|
*/
|
*/
|
sk->protinfo.af_inet.ttl = 64;
|
sk->protinfo.af_inet.ttl = 64;
|
|
|
sk->protinfo.af_inet.mc_loop = 1;
|
sk->protinfo.af_inet.mc_loop = 1;
|
sk->protinfo.af_inet.mc_ttl = 1;
|
sk->protinfo.af_inet.mc_ttl = 1;
|
sk->protinfo.af_inet.mc_index = 0;
|
sk->protinfo.af_inet.mc_index = 0;
|
sk->protinfo.af_inet.mc_list = NULL;
|
sk->protinfo.af_inet.mc_list = NULL;
|
|
|
if (ipv4_config.no_pmtu_disc)
|
if (ipv4_config.no_pmtu_disc)
|
sk->protinfo.af_inet.pmtudisc = IP_PMTUDISC_DONT;
|
sk->protinfo.af_inet.pmtudisc = IP_PMTUDISC_DONT;
|
else
|
else
|
sk->protinfo.af_inet.pmtudisc = IP_PMTUDISC_WANT;
|
sk->protinfo.af_inet.pmtudisc = IP_PMTUDISC_WANT;
|
|
|
|
|
#ifdef INET_REFCNT_DEBUG
|
#ifdef INET_REFCNT_DEBUG
|
atomic_inc(&inet6_sock_nr);
|
atomic_inc(&inet6_sock_nr);
|
atomic_inc(&inet_sock_nr);
|
atomic_inc(&inet_sock_nr);
|
#endif
|
#endif
|
MOD_INC_USE_COUNT;
|
MOD_INC_USE_COUNT;
|
|
|
if (sk->num) {
|
if (sk->num) {
|
/* It assumes that any protocol which allows
|
/* It assumes that any protocol which allows
|
* the user to assign a number at socket
|
* the user to assign a number at socket
|
* creation time automatically shares.
|
* creation time automatically shares.
|
*/
|
*/
|
sk->sport = ntohs(sk->num);
|
sk->sport = ntohs(sk->num);
|
sk->prot->hash(sk);
|
sk->prot->hash(sk);
|
}
|
}
|
if (sk->prot->init) {
|
if (sk->prot->init) {
|
int err = sk->prot->init(sk);
|
int err = sk->prot->init(sk);
|
if (err != 0) {
|
if (err != 0) {
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
inet_sock_release(sk);
|
inet_sock_release(sk);
|
return err;
|
return err;
|
}
|
}
|
}
|
}
|
return 0;
|
return 0;
|
|
|
free_and_badtype:
|
free_and_badtype:
|
sk_free(sk);
|
sk_free(sk);
|
return -ESOCKTNOSUPPORT;
|
return -ESOCKTNOSUPPORT;
|
free_and_badperm:
|
free_and_badperm:
|
sk_free(sk);
|
sk_free(sk);
|
return -EPERM;
|
return -EPERM;
|
free_and_noproto:
|
free_and_noproto:
|
sk_free(sk);
|
sk_free(sk);
|
return -EPROTONOSUPPORT;
|
return -EPROTONOSUPPORT;
|
do_oom:
|
do_oom:
|
return -ENOBUFS;
|
return -ENOBUFS;
|
}
|
}
|
|
|
|
|
/* bind for INET6 API */
|
/* bind for INET6 API */
|
int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
|
int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
|
{
|
{
|
struct sockaddr_in6 *addr=(struct sockaddr_in6 *)uaddr;
|
struct sockaddr_in6 *addr=(struct sockaddr_in6 *)uaddr;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
__u32 v4addr = 0;
|
__u32 v4addr = 0;
|
unsigned short snum;
|
unsigned short snum;
|
int addr_type = 0;
|
int addr_type = 0;
|
|
|
/* If the socket has its own bind function then use it. */
|
/* If the socket has its own bind function then use it. */
|
if(sk->prot->bind)
|
if(sk->prot->bind)
|
return sk->prot->bind(sk, uaddr, addr_len);
|
return sk->prot->bind(sk, uaddr, addr_len);
|
|
|
if (addr_len < SIN6_LEN_RFC2133)
|
if (addr_len < SIN6_LEN_RFC2133)
|
return -EINVAL;
|
return -EINVAL;
|
addr_type = ipv6_addr_type(&addr->sin6_addr);
|
addr_type = ipv6_addr_type(&addr->sin6_addr);
|
if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
|
if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
/* Check if the address belongs to the host. */
|
/* Check if the address belongs to the host. */
|
if (addr_type == IPV6_ADDR_MAPPED) {
|
if (addr_type == IPV6_ADDR_MAPPED) {
|
v4addr = addr->sin6_addr.s6_addr32[3];
|
v4addr = addr->sin6_addr.s6_addr32[3];
|
if (inet_addr_type(v4addr) != RTN_LOCAL)
|
if (inet_addr_type(v4addr) != RTN_LOCAL)
|
return -EADDRNOTAVAIL;
|
return -EADDRNOTAVAIL;
|
} else {
|
} else {
|
if (addr_type != IPV6_ADDR_ANY) {
|
if (addr_type != IPV6_ADDR_ANY) {
|
/* ipv4 addr of the socket is invalid. Only the
|
/* ipv4 addr of the socket is invalid. Only the
|
* unspecified and mapped address have a v4 equivalent.
|
* unspecified and mapped address have a v4 equivalent.
|
*/
|
*/
|
v4addr = LOOPBACK4_IPV6;
|
v4addr = LOOPBACK4_IPV6;
|
if (!(addr_type & IPV6_ADDR_MULTICAST)) {
|
if (!(addr_type & IPV6_ADDR_MULTICAST)) {
|
if (!ipv6_chk_addr(&addr->sin6_addr, NULL))
|
if (!ipv6_chk_addr(&addr->sin6_addr, NULL))
|
return -EADDRNOTAVAIL;
|
return -EADDRNOTAVAIL;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
snum = ntohs(addr->sin6_port);
|
snum = ntohs(addr->sin6_port);
|
if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE))
|
if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE))
|
return -EACCES;
|
return -EACCES;
|
|
|
lock_sock(sk);
|
lock_sock(sk);
|
|
|
/* Check these errors (active socket, double bind). */
|
/* Check these errors (active socket, double bind). */
|
if ((sk->state != TCP_CLOSE) ||
|
if ((sk->state != TCP_CLOSE) ||
|
(sk->num != 0)) {
|
(sk->num != 0)) {
|
release_sock(sk);
|
release_sock(sk);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
if (addr_type & IPV6_ADDR_LINKLOCAL) {
|
if (addr_type & IPV6_ADDR_LINKLOCAL) {
|
if (addr_len >= sizeof(struct sockaddr_in6) &&
|
if (addr_len >= sizeof(struct sockaddr_in6) &&
|
addr->sin6_scope_id) {
|
addr->sin6_scope_id) {
|
/* Override any existing binding, if another one
|
/* Override any existing binding, if another one
|
* is supplied by user.
|
* is supplied by user.
|
*/
|
*/
|
sk->bound_dev_if = addr->sin6_scope_id;
|
sk->bound_dev_if = addr->sin6_scope_id;
|
}
|
}
|
|
|
/* Binding to link-local address requires an interface */
|
/* Binding to link-local address requires an interface */
|
if (sk->bound_dev_if == 0) {
|
if (sk->bound_dev_if == 0) {
|
release_sock(sk);
|
release_sock(sk);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
}
|
}
|
|
|
sk->rcv_saddr = v4addr;
|
sk->rcv_saddr = v4addr;
|
sk->saddr = v4addr;
|
sk->saddr = v4addr;
|
|
|
ipv6_addr_copy(&sk->net_pinfo.af_inet6.rcv_saddr, &addr->sin6_addr);
|
ipv6_addr_copy(&sk->net_pinfo.af_inet6.rcv_saddr, &addr->sin6_addr);
|
|
|
if (!(addr_type & IPV6_ADDR_MULTICAST))
|
if (!(addr_type & IPV6_ADDR_MULTICAST))
|
ipv6_addr_copy(&sk->net_pinfo.af_inet6.saddr, &addr->sin6_addr);
|
ipv6_addr_copy(&sk->net_pinfo.af_inet6.saddr, &addr->sin6_addr);
|
|
|
/* Make sure we are allowed to bind here. */
|
/* Make sure we are allowed to bind here. */
|
if (sk->prot->get_port(sk, snum) != 0) {
|
if (sk->prot->get_port(sk, snum) != 0) {
|
sk->rcv_saddr = 0;
|
sk->rcv_saddr = 0;
|
sk->saddr = 0;
|
sk->saddr = 0;
|
memset(&sk->net_pinfo.af_inet6.rcv_saddr, 0, sizeof(struct in6_addr));
|
memset(&sk->net_pinfo.af_inet6.rcv_saddr, 0, sizeof(struct in6_addr));
|
memset(&sk->net_pinfo.af_inet6.saddr, 0, sizeof(struct in6_addr));
|
memset(&sk->net_pinfo.af_inet6.saddr, 0, sizeof(struct in6_addr));
|
|
|
release_sock(sk);
|
release_sock(sk);
|
return -EADDRINUSE;
|
return -EADDRINUSE;
|
}
|
}
|
|
|
if (addr_type != IPV6_ADDR_ANY)
|
if (addr_type != IPV6_ADDR_ANY)
|
sk->userlocks |= SOCK_BINDADDR_LOCK;
|
sk->userlocks |= SOCK_BINDADDR_LOCK;
|
if (snum)
|
if (snum)
|
sk->userlocks |= SOCK_BINDPORT_LOCK;
|
sk->userlocks |= SOCK_BINDPORT_LOCK;
|
sk->sport = ntohs(sk->num);
|
sk->sport = ntohs(sk->num);
|
sk->dport = 0;
|
sk->dport = 0;
|
sk->daddr = 0;
|
sk->daddr = 0;
|
release_sock(sk);
|
release_sock(sk);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int inet6_release(struct socket *sock)
|
int inet6_release(struct socket *sock)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
if (sk == NULL)
|
if (sk == NULL)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
/* Free mc lists */
|
/* Free mc lists */
|
ipv6_sock_mc_close(sk);
|
ipv6_sock_mc_close(sk);
|
|
|
/* Free ac lists */
|
/* Free ac lists */
|
ipv6_sock_ac_close(sk);
|
ipv6_sock_ac_close(sk);
|
|
|
return inet_release(sock);
|
return inet_release(sock);
|
}
|
}
|
|
|
int inet6_destroy_sock(struct sock *sk)
|
int inet6_destroy_sock(struct sock *sk)
|
{
|
{
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
struct ipv6_txoptions *opt;
|
struct ipv6_txoptions *opt;
|
|
|
/*
|
/*
|
* Release destination entry
|
* Release destination entry
|
*/
|
*/
|
|
|
sk_dst_reset(sk);
|
sk_dst_reset(sk);
|
|
|
/* Release rx options */
|
/* Release rx options */
|
|
|
if ((skb = xchg(&sk->net_pinfo.af_inet6.pktoptions, NULL)) != NULL)
|
if ((skb = xchg(&sk->net_pinfo.af_inet6.pktoptions, NULL)) != NULL)
|
kfree_skb(skb);
|
kfree_skb(skb);
|
|
|
/* Free flowlabels */
|
/* Free flowlabels */
|
fl6_free_socklist(sk);
|
fl6_free_socklist(sk);
|
|
|
/* Free tx options */
|
/* Free tx options */
|
|
|
if ((opt = xchg(&sk->net_pinfo.af_inet6.opt, NULL)) != NULL)
|
if ((opt = xchg(&sk->net_pinfo.af_inet6.opt, NULL)) != NULL)
|
sock_kfree_s(sk, opt, opt->tot_len);
|
sock_kfree_s(sk, opt, opt->tot_len);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* This does both peername and sockname.
|
* This does both peername and sockname.
|
*/
|
*/
|
|
|
int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
|
int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
|
int *uaddr_len, int peer)
|
int *uaddr_len, int peer)
|
{
|
{
|
struct sockaddr_in6 *sin=(struct sockaddr_in6 *)uaddr;
|
struct sockaddr_in6 *sin=(struct sockaddr_in6 *)uaddr;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
sin->sin6_family = AF_INET6;
|
sin->sin6_family = AF_INET6;
|
sin->sin6_flowinfo = 0;
|
sin->sin6_flowinfo = 0;
|
sin->sin6_scope_id = 0;
|
sin->sin6_scope_id = 0;
|
if (peer) {
|
if (peer) {
|
if (!sk->dport)
|
if (!sk->dport)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
if (((1<<sk->state)&(TCPF_CLOSE|TCPF_SYN_SENT)) && peer == 1)
|
if (((1<<sk->state)&(TCPF_CLOSE|TCPF_SYN_SENT)) && peer == 1)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
sin->sin6_port = sk->dport;
|
sin->sin6_port = sk->dport;
|
memcpy(&sin->sin6_addr, &sk->net_pinfo.af_inet6.daddr,
|
memcpy(&sin->sin6_addr, &sk->net_pinfo.af_inet6.daddr,
|
sizeof(struct in6_addr));
|
sizeof(struct in6_addr));
|
if (sk->net_pinfo.af_inet6.sndflow)
|
if (sk->net_pinfo.af_inet6.sndflow)
|
sin->sin6_flowinfo = sk->net_pinfo.af_inet6.flow_label;
|
sin->sin6_flowinfo = sk->net_pinfo.af_inet6.flow_label;
|
} else {
|
} else {
|
if (ipv6_addr_type(&sk->net_pinfo.af_inet6.rcv_saddr) == IPV6_ADDR_ANY)
|
if (ipv6_addr_type(&sk->net_pinfo.af_inet6.rcv_saddr) == IPV6_ADDR_ANY)
|
memcpy(&sin->sin6_addr,
|
memcpy(&sin->sin6_addr,
|
&sk->net_pinfo.af_inet6.saddr,
|
&sk->net_pinfo.af_inet6.saddr,
|
sizeof(struct in6_addr));
|
sizeof(struct in6_addr));
|
else
|
else
|
memcpy(&sin->sin6_addr,
|
memcpy(&sin->sin6_addr,
|
&sk->net_pinfo.af_inet6.rcv_saddr,
|
&sk->net_pinfo.af_inet6.rcv_saddr,
|
sizeof(struct in6_addr));
|
sizeof(struct in6_addr));
|
|
|
sin->sin6_port = sk->sport;
|
sin->sin6_port = sk->sport;
|
}
|
}
|
if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
|
if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
|
sin->sin6_scope_id = sk->bound_dev_if;
|
sin->sin6_scope_id = sk->bound_dev_if;
|
*uaddr_len = sizeof(*sin);
|
*uaddr_len = sizeof(*sin);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
int err = -EINVAL;
|
int err = -EINVAL;
|
int pid;
|
int pid;
|
|
|
switch(cmd)
|
switch(cmd)
|
{
|
{
|
case FIOSETOWN:
|
case FIOSETOWN:
|
case SIOCSPGRP:
|
case SIOCSPGRP:
|
if (get_user(pid, (int *) arg))
|
if (get_user(pid, (int *) arg))
|
return -EFAULT;
|
return -EFAULT;
|
/* see sock_no_fcntl */
|
/* see sock_no_fcntl */
|
if (current->pid != pid && current->pgrp != -pid &&
|
if (current->pid != pid && current->pgrp != -pid &&
|
!capable(CAP_NET_ADMIN))
|
!capable(CAP_NET_ADMIN))
|
return -EPERM;
|
return -EPERM;
|
sk->proc = pid;
|
sk->proc = pid;
|
return(0);
|
return(0);
|
case FIOGETOWN:
|
case FIOGETOWN:
|
case SIOCGPGRP:
|
case SIOCGPGRP:
|
return put_user(sk->proc,(int *)arg);
|
return put_user(sk->proc,(int *)arg);
|
case SIOCGSTAMP:
|
case SIOCGSTAMP:
|
if(sk->stamp.tv_sec==0)
|
if(sk->stamp.tv_sec==0)
|
return -ENOENT;
|
return -ENOENT;
|
err = copy_to_user((void *)arg, &sk->stamp,
|
err = copy_to_user((void *)arg, &sk->stamp,
|
sizeof(struct timeval));
|
sizeof(struct timeval));
|
if (err)
|
if (err)
|
return -EFAULT;
|
return -EFAULT;
|
return 0;
|
return 0;
|
|
|
case SIOCADDRT:
|
case SIOCADDRT:
|
case SIOCDELRT:
|
case SIOCDELRT:
|
|
|
return(ipv6_route_ioctl(cmd,(void *)arg));
|
return(ipv6_route_ioctl(cmd,(void *)arg));
|
|
|
case SIOCSIFADDR:
|
case SIOCSIFADDR:
|
return addrconf_add_ifaddr((void *) arg);
|
return addrconf_add_ifaddr((void *) arg);
|
case SIOCDIFADDR:
|
case SIOCDIFADDR:
|
return addrconf_del_ifaddr((void *) arg);
|
return addrconf_del_ifaddr((void *) arg);
|
case SIOCSIFDSTADDR:
|
case SIOCSIFDSTADDR:
|
return addrconf_set_dstaddr((void *) arg);
|
return addrconf_set_dstaddr((void *) arg);
|
default:
|
default:
|
if ((cmd >= SIOCDEVPRIVATE) &&
|
if ((cmd >= SIOCDEVPRIVATE) &&
|
(cmd <= (SIOCDEVPRIVATE + 15)))
|
(cmd <= (SIOCDEVPRIVATE + 15)))
|
return(dev_ioctl(cmd,(void *) arg));
|
return(dev_ioctl(cmd,(void *) arg));
|
|
|
if(sk->prot->ioctl==0 || (err=sk->prot->ioctl(sk, cmd, arg))==-ENOIOCTLCMD)
|
if(sk->prot->ioctl==0 || (err=sk->prot->ioctl(sk, cmd, arg))==-ENOIOCTLCMD)
|
return(dev_ioctl(cmd,(void *) arg));
|
return(dev_ioctl(cmd,(void *) arg));
|
return err;
|
return err;
|
}
|
}
|
/*NOTREACHED*/
|
/*NOTREACHED*/
|
return(0);
|
return(0);
|
}
|
}
|
|
|
struct proto_ops inet6_stream_ops = {
|
struct proto_ops inet6_stream_ops = {
|
family: PF_INET6,
|
family: PF_INET6,
|
|
|
release: inet6_release,
|
release: inet6_release,
|
bind: inet6_bind,
|
bind: inet6_bind,
|
connect: inet_stream_connect, /* ok */
|
connect: inet_stream_connect, /* ok */
|
socketpair: sock_no_socketpair, /* a do nothing */
|
socketpair: sock_no_socketpair, /* a do nothing */
|
accept: inet_accept, /* ok */
|
accept: inet_accept, /* ok */
|
getname: inet6_getname,
|
getname: inet6_getname,
|
poll: tcp_poll, /* ok */
|
poll: tcp_poll, /* ok */
|
ioctl: inet6_ioctl, /* must change */
|
ioctl: inet6_ioctl, /* must change */
|
listen: inet_listen, /* ok */
|
listen: inet_listen, /* ok */
|
shutdown: inet_shutdown, /* ok */
|
shutdown: inet_shutdown, /* ok */
|
setsockopt: inet_setsockopt, /* ok */
|
setsockopt: inet_setsockopt, /* ok */
|
getsockopt: inet_getsockopt, /* ok */
|
getsockopt: inet_getsockopt, /* ok */
|
sendmsg: inet_sendmsg, /* ok */
|
sendmsg: inet_sendmsg, /* ok */
|
recvmsg: inet_recvmsg, /* ok */
|
recvmsg: inet_recvmsg, /* ok */
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: tcp_sendpage
|
sendpage: tcp_sendpage
|
};
|
};
|
|
|
struct proto_ops inet6_dgram_ops = {
|
struct proto_ops inet6_dgram_ops = {
|
family: PF_INET6,
|
family: PF_INET6,
|
|
|
release: inet6_release,
|
release: inet6_release,
|
bind: inet6_bind,
|
bind: inet6_bind,
|
connect: inet_dgram_connect, /* ok */
|
connect: inet_dgram_connect, /* ok */
|
socketpair: sock_no_socketpair, /* a do nothing */
|
socketpair: sock_no_socketpair, /* a do nothing */
|
accept: sock_no_accept, /* a do nothing */
|
accept: sock_no_accept, /* a do nothing */
|
getname: inet6_getname,
|
getname: inet6_getname,
|
poll: datagram_poll, /* ok */
|
poll: datagram_poll, /* ok */
|
ioctl: inet6_ioctl, /* must change */
|
ioctl: inet6_ioctl, /* must change */
|
listen: sock_no_listen, /* ok */
|
listen: sock_no_listen, /* ok */
|
shutdown: inet_shutdown, /* ok */
|
shutdown: inet_shutdown, /* ok */
|
setsockopt: inet_setsockopt, /* ok */
|
setsockopt: inet_setsockopt, /* ok */
|
getsockopt: inet_getsockopt, /* ok */
|
getsockopt: inet_getsockopt, /* ok */
|
sendmsg: inet_sendmsg, /* ok */
|
sendmsg: inet_sendmsg, /* ok */
|
recvmsg: inet_recvmsg, /* ok */
|
recvmsg: inet_recvmsg, /* ok */
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: sock_no_sendpage,
|
sendpage: sock_no_sendpage,
|
};
|
};
|
|
|
struct net_proto_family inet6_family_ops = {
|
struct net_proto_family inet6_family_ops = {
|
PF_INET6,
|
PF_INET6,
|
inet6_create
|
inet6_create
|
};
|
};
|
|
|
#ifdef MODULE
|
#ifdef MODULE
|
int ipv6_unload(void)
|
int ipv6_unload(void)
|
{
|
{
|
if (!unloadable) return 1;
|
if (!unloadable) return 1;
|
/* We keep internally 3 raw sockets */
|
/* We keep internally 3 raw sockets */
|
return atomic_read(&(__this_module.uc.usecount)) - 3;
|
return atomic_read(&(__this_module.uc.usecount)) - 3;
|
}
|
}
|
#endif
|
#endif
|
|
|
#if defined(MODULE) && defined(CONFIG_SYSCTL)
|
#if defined(MODULE) && defined(CONFIG_SYSCTL)
|
extern void ipv6_sysctl_register(void);
|
extern void ipv6_sysctl_register(void);
|
extern void ipv6_sysctl_unregister(void);
|
extern void ipv6_sysctl_unregister(void);
|
#endif
|
#endif
|
|
|
static struct inet_protosw rawv6_protosw = {
|
static struct inet_protosw rawv6_protosw = {
|
type: SOCK_RAW,
|
type: SOCK_RAW,
|
protocol: IPPROTO_IP, /* wild card */
|
protocol: IPPROTO_IP, /* wild card */
|
prot: &rawv6_prot,
|
prot: &rawv6_prot,
|
ops: &inet6_dgram_ops,
|
ops: &inet6_dgram_ops,
|
capability: CAP_NET_RAW,
|
capability: CAP_NET_RAW,
|
no_check: UDP_CSUM_DEFAULT,
|
no_check: UDP_CSUM_DEFAULT,
|
flags: INET_PROTOSW_REUSE,
|
flags: INET_PROTOSW_REUSE,
|
};
|
};
|
|
|
#define INETSW6_ARRAY_LEN (sizeof(inetsw6_array) / sizeof(struct inet_protosw))
|
#define INETSW6_ARRAY_LEN (sizeof(inetsw6_array) / sizeof(struct inet_protosw))
|
|
|
void
|
void
|
inet6_register_protosw(struct inet_protosw *p)
|
inet6_register_protosw(struct inet_protosw *p)
|
{
|
{
|
struct list_head *lh;
|
struct list_head *lh;
|
struct inet_protosw *answer;
|
struct inet_protosw *answer;
|
int protocol = p->protocol;
|
int protocol = p->protocol;
|
struct list_head *last_perm;
|
struct list_head *last_perm;
|
|
|
br_write_lock_bh(BR_NETPROTO_LOCK);
|
br_write_lock_bh(BR_NETPROTO_LOCK);
|
|
|
if (p->type > SOCK_MAX)
|
if (p->type > SOCK_MAX)
|
goto out_illegal;
|
goto out_illegal;
|
|
|
/* If we are trying to override a permanent protocol, bail. */
|
/* If we are trying to override a permanent protocol, bail. */
|
answer = NULL;
|
answer = NULL;
|
last_perm = &inetsw6[p->type];
|
last_perm = &inetsw6[p->type];
|
list_for_each(lh, &inetsw6[p->type]) {
|
list_for_each(lh, &inetsw6[p->type]) {
|
answer = list_entry(lh, struct inet_protosw, list);
|
answer = list_entry(lh, struct inet_protosw, list);
|
|
|
/* Check only the non-wild match. */
|
/* Check only the non-wild match. */
|
if (INET_PROTOSW_PERMANENT & answer->flags) {
|
if (INET_PROTOSW_PERMANENT & answer->flags) {
|
if (protocol == answer->protocol)
|
if (protocol == answer->protocol)
|
break;
|
break;
|
last_perm = lh;
|
last_perm = lh;
|
}
|
}
|
|
|
answer = NULL;
|
answer = NULL;
|
}
|
}
|
if (answer)
|
if (answer)
|
goto out_permanent;
|
goto out_permanent;
|
|
|
/* Add the new entry after the last permanent entry if any, so that
|
/* 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
|
* the new entry does not override a permanent entry when matched with
|
* a wild-card protocol. But it is allowed to override any existing
|
* 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.
|
* system automatically returns to the old behavior.
|
*/
|
*/
|
list_add(&p->list, last_perm);
|
list_add(&p->list, last_perm);
|
out:
|
out:
|
br_write_unlock_bh(BR_NETPROTO_LOCK);
|
br_write_unlock_bh(BR_NETPROTO_LOCK);
|
return;
|
return;
|
|
|
out_permanent:
|
out_permanent:
|
printk(KERN_ERR "Attempt to override permanent protocol %d.\n",
|
printk(KERN_ERR "Attempt to override permanent protocol %d.\n",
|
protocol);
|
protocol);
|
goto out;
|
goto out;
|
|
|
out_illegal:
|
out_illegal:
|
printk(KERN_ERR
|
printk(KERN_ERR
|
"Ignoring attempt to register illegal socket type %d.\n",
|
"Ignoring attempt to register illegal socket type %d.\n",
|
p->type);
|
p->type);
|
goto out;
|
goto out;
|
}
|
}
|
|
|
void
|
void
|
inet6_unregister_protosw(struct inet_protosw *p)
|
inet6_unregister_protosw(struct inet_protosw *p)
|
{
|
{
|
inet_unregister_protosw(p);
|
inet_unregister_protosw(p);
|
}
|
}
|
|
|
static int __init inet6_init(void)
|
static int __init inet6_init(void)
|
{
|
{
|
struct sk_buff *dummy_skb;
|
struct sk_buff *dummy_skb;
|
struct list_head *r;
|
struct list_head *r;
|
int err;
|
int err;
|
|
|
#ifdef MODULE
|
#ifdef MODULE
|
if (!mod_member_present(&__this_module, can_unload))
|
if (!mod_member_present(&__this_module, can_unload))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
__this_module.can_unload = &ipv6_unload;
|
__this_module.can_unload = &ipv6_unload;
|
#endif
|
#endif
|
|
|
printk(KERN_INFO "IPv6 v0.8 for NET4.0\n");
|
printk(KERN_INFO "IPv6 v0.8 for NET4.0\n");
|
|
|
if (sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb))
|
if (sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb))
|
{
|
{
|
printk(KERN_CRIT "inet6_proto_init: size fault\n");
|
printk(KERN_CRIT "inet6_proto_init: size fault\n");
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Register the socket-side information for inet6_create. */
|
/* Register the socket-side information for inet6_create. */
|
for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
|
for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
|
INIT_LIST_HEAD(r);
|
INIT_LIST_HEAD(r);
|
|
|
/* We MUST register RAW sockets before we create the ICMP6,
|
/* We MUST register RAW sockets before we create the ICMP6,
|
* IGMP6, or NDISC control sockets.
|
* IGMP6, or NDISC control sockets.
|
*/
|
*/
|
inet6_register_protosw(&rawv6_protosw);
|
inet6_register_protosw(&rawv6_protosw);
|
|
|
/*
|
/*
|
* ipngwg API draft makes clear that the correct semantics
|
* ipngwg API draft makes clear that the correct semantics
|
* for TCP and UDP is to consider one TCP and UDP instance
|
* for TCP and UDP is to consider one TCP and UDP instance
|
* in a host available by both INET and INET6 APIs and
|
* in a host available by both INET and INET6 APIs and
|
* able to communicate via both network protocols.
|
* able to communicate via both network protocols.
|
*/
|
*/
|
|
|
#if defined(MODULE) && defined(CONFIG_SYSCTL)
|
#if defined(MODULE) && defined(CONFIG_SYSCTL)
|
ipv6_sysctl_register();
|
ipv6_sysctl_register();
|
#endif
|
#endif
|
err = icmpv6_init(&inet6_family_ops);
|
err = icmpv6_init(&inet6_family_ops);
|
if (err)
|
if (err)
|
goto icmp_fail;
|
goto icmp_fail;
|
err = ndisc_init(&inet6_family_ops);
|
err = ndisc_init(&inet6_family_ops);
|
if (err)
|
if (err)
|
goto ndisc_fail;
|
goto ndisc_fail;
|
err = igmp6_init(&inet6_family_ops);
|
err = igmp6_init(&inet6_family_ops);
|
if (err)
|
if (err)
|
goto igmp_fail;
|
goto igmp_fail;
|
/* Create /proc/foo6 entries. */
|
/* Create /proc/foo6 entries. */
|
#ifdef CONFIG_PROC_FS
|
#ifdef CONFIG_PROC_FS
|
err = -ENOMEM;
|
err = -ENOMEM;
|
if (!proc_net_create("raw6", 0, raw6_get_info))
|
if (!proc_net_create("raw6", 0, raw6_get_info))
|
goto proc_raw6_fail;
|
goto proc_raw6_fail;
|
if (!proc_net_create("tcp6", 0, tcp6_get_info))
|
if (!proc_net_create("tcp6", 0, tcp6_get_info))
|
goto proc_tcp6_fail;
|
goto proc_tcp6_fail;
|
if (!proc_net_create("udp6", 0, udp6_get_info))
|
if (!proc_net_create("udp6", 0, udp6_get_info))
|
goto proc_udp6_fail;
|
goto proc_udp6_fail;
|
if (!proc_net_create("sockstat6", 0, afinet6_get_info))
|
if (!proc_net_create("sockstat6", 0, afinet6_get_info))
|
goto proc_sockstat6_fail;
|
goto proc_sockstat6_fail;
|
if (!proc_net_create("snmp6", 0, afinet6_get_snmp))
|
if (!proc_net_create("snmp6", 0, afinet6_get_snmp))
|
goto proc_snmp6_fail;
|
goto proc_snmp6_fail;
|
if (!proc_net_create("anycast6", 0, anycast6_get_info))
|
if (!proc_net_create("anycast6", 0, anycast6_get_info))
|
goto proc_anycast6_fail;
|
goto proc_anycast6_fail;
|
#endif
|
#endif
|
ipv6_netdev_notif_init();
|
ipv6_netdev_notif_init();
|
ipv6_packet_init();
|
ipv6_packet_init();
|
ip6_route_init();
|
ip6_route_init();
|
ip6_flowlabel_init();
|
ip6_flowlabel_init();
|
addrconf_init();
|
addrconf_init();
|
sit_init();
|
sit_init();
|
ipv6_frag_init();
|
ipv6_frag_init();
|
|
|
/* Init v6 transport protocols. */
|
/* Init v6 transport protocols. */
|
udpv6_init();
|
udpv6_init();
|
tcpv6_init();
|
tcpv6_init();
|
|
|
/* Now the userspace is allowed to create INET6 sockets. */
|
/* Now the userspace is allowed to create INET6 sockets. */
|
(void) sock_register(&inet6_family_ops);
|
(void) sock_register(&inet6_family_ops);
|
|
|
return 0;
|
return 0;
|
|
|
#ifdef CONFIG_PROC_FS
|
#ifdef CONFIG_PROC_FS
|
proc_anycast6_fail:
|
proc_anycast6_fail:
|
proc_net_remove("anycast6");
|
proc_net_remove("anycast6");
|
proc_snmp6_fail:
|
proc_snmp6_fail:
|
proc_net_remove("sockstat6");
|
proc_net_remove("sockstat6");
|
proc_sockstat6_fail:
|
proc_sockstat6_fail:
|
proc_net_remove("udp6");
|
proc_net_remove("udp6");
|
proc_udp6_fail:
|
proc_udp6_fail:
|
proc_net_remove("tcp6");
|
proc_net_remove("tcp6");
|
proc_tcp6_fail:
|
proc_tcp6_fail:
|
proc_net_remove("raw6");
|
proc_net_remove("raw6");
|
proc_raw6_fail:
|
proc_raw6_fail:
|
igmp6_cleanup();
|
igmp6_cleanup();
|
#endif
|
#endif
|
igmp_fail:
|
igmp_fail:
|
ndisc_cleanup();
|
ndisc_cleanup();
|
ndisc_fail:
|
ndisc_fail:
|
icmpv6_cleanup();
|
icmpv6_cleanup();
|
icmp_fail:
|
icmp_fail:
|
#if defined(MODULE) && defined(CONFIG_SYSCTL)
|
#if defined(MODULE) && defined(CONFIG_SYSCTL)
|
ipv6_sysctl_unregister();
|
ipv6_sysctl_unregister();
|
#endif
|
#endif
|
return err;
|
return err;
|
}
|
}
|
module_init(inet6_init);
|
module_init(inet6_init);
|
|
|
|
|
#ifdef MODULE
|
#ifdef MODULE
|
static void inet6_exit(void)
|
static void inet6_exit(void)
|
{
|
{
|
/* First of all disallow new sockets creation. */
|
/* First of all disallow new sockets creation. */
|
sock_unregister(PF_INET6);
|
sock_unregister(PF_INET6);
|
#ifdef CONFIG_PROC_FS
|
#ifdef CONFIG_PROC_FS
|
proc_net_remove("raw6");
|
proc_net_remove("raw6");
|
proc_net_remove("tcp6");
|
proc_net_remove("tcp6");
|
proc_net_remove("udp6");
|
proc_net_remove("udp6");
|
proc_net_remove("sockstat6");
|
proc_net_remove("sockstat6");
|
proc_net_remove("snmp6");
|
proc_net_remove("snmp6");
|
proc_net_remove("anycast6");
|
proc_net_remove("anycast6");
|
#endif
|
#endif
|
/* Cleanup code parts. */
|
/* Cleanup code parts. */
|
sit_cleanup();
|
sit_cleanup();
|
ipv6_netdev_notif_cleanup();
|
ipv6_netdev_notif_cleanup();
|
ip6_flowlabel_cleanup();
|
ip6_flowlabel_cleanup();
|
addrconf_cleanup();
|
addrconf_cleanup();
|
ip6_route_cleanup();
|
ip6_route_cleanup();
|
ipv6_packet_cleanup();
|
ipv6_packet_cleanup();
|
igmp6_cleanup();
|
igmp6_cleanup();
|
ndisc_cleanup();
|
ndisc_cleanup();
|
icmpv6_cleanup();
|
icmpv6_cleanup();
|
#ifdef CONFIG_SYSCTL
|
#ifdef CONFIG_SYSCTL
|
ipv6_sysctl_unregister();
|
ipv6_sysctl_unregister();
|
#endif
|
#endif
|
}
|
}
|
module_exit(inet6_exit);
|
module_exit(inet6_exit);
|
#endif /* MODULE */
|
#endif /* MODULE */
|
MODULE_LICENSE("GPL");
|
MODULE_LICENSE("GPL");
|
|
|
