X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=net%2Fipv6%2Fxfrm6_tunnel.c;h=23fb1002124cc9cfde17306baf7e5a447e6bb27e;hp=60c26c87277e7fa63a34f9b8671cbdd79efb1fd4;hb=e924960dacdf85d118a98c7262edf2f99c3015cf;hpb=72cb6962a91f2af9eef69a06198e1949c10259ae diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index 60c26c8..23fb100 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -5,12 +5,12 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA @@ -21,65 +21,37 @@ * Based on net/ipv4/xfrm4_tunnel.c * */ -#include #include #include -#include +#include #include #include #include -#include #include #include - -#ifdef CONFIG_IPV6_XFRM6_TUNNEL_DEBUG -# define X6TDEBUG 3 -#else -# define X6TDEBUG 1 -#endif - -#define X6TPRINTK(fmt, args...) printk(fmt, ## args) -#define X6TNOPRINTK(fmt, args...) do { ; } while(0) - -#if X6TDEBUG >= 1 -# define X6TPRINTK1 X6TPRINTK -#else -# define X6TPRINTK1 X6TNOPRINTK -#endif - -#if X6TDEBUG >= 3 -# define X6TPRINTK3 X6TPRINTK -#else -# define X6TPRINTK3 X6TNOPRINTK -#endif +#include /* - * xfrm_tunnel_spi things are for allocating unique id ("spi") + * xfrm_tunnel_spi things are for allocating unique id ("spi") * per xfrm_address_t. */ struct xfrm6_tunnel_spi { - struct hlist_node list_byaddr; - struct hlist_node list_byspi; - xfrm_address_t addr; - u32 spi; - atomic_t refcnt; -#ifdef XFRM6_TUNNEL_SPI_MAGIC - u32 magic; -#endif + struct hlist_node list_byaddr; + struct hlist_node list_byspi; + xfrm_address_t addr; + u32 spi; + atomic_t refcnt; + struct rcu_head rcu_head; }; -#ifdef CONFIG_IPV6_XFRM6_TUNNEL_DEBUG -# define XFRM6_TUNNEL_SPI_MAGIC 0xdeadbeef -#endif - -static DEFINE_RWLOCK(xfrm6_tunnel_spi_lock); +static DEFINE_SPINLOCK(xfrm6_tunnel_spi_lock); static u32 xfrm6_tunnel_spi; #define XFRM6_TUNNEL_SPI_MIN 1 #define XFRM6_TUNNEL_SPI_MAX 0xffffffff -static kmem_cache_t *xfrm6_tunnel_spi_kmem; +static struct kmem_cache *xfrm6_tunnel_spi_kmem __read_mostly; #define XFRM6_TUNNEL_SPI_BYADDR_HSIZE 256 #define XFRM6_TUNNEL_SPI_BYSPI_HSIZE 256 @@ -87,47 +59,19 @@ static kmem_cache_t *xfrm6_tunnel_spi_kmem; static struct hlist_head xfrm6_tunnel_spi_byaddr[XFRM6_TUNNEL_SPI_BYADDR_HSIZE]; static struct hlist_head xfrm6_tunnel_spi_byspi[XFRM6_TUNNEL_SPI_BYSPI_HSIZE]; -#ifdef XFRM6_TUNNEL_SPI_MAGIC -static int x6spi_check_magic(const struct xfrm6_tunnel_spi *x6spi, - const char *name) -{ - if (unlikely(x6spi->magic != XFRM6_TUNNEL_SPI_MAGIC)) { - X6TPRINTK3(KERN_DEBUG "%s(): x6spi object " - "at %p has corrupted magic %08x " - "(should be %08x)\n", - name, x6spi, x6spi->magic, XFRM6_TUNNEL_SPI_MAGIC); - return -1; - } - return 0; -} -#else -static int inline x6spi_check_magic(const struct xfrm6_tunnel_spi *x6spi, - const char *name) -{ - return 0; -} -#endif - -#define X6SPI_CHECK_MAGIC(x6spi) x6spi_check_magic((x6spi), __FUNCTION__) - - -static unsigned inline xfrm6_tunnel_spi_hash_byaddr(xfrm_address_t *addr) +static inline unsigned xfrm6_tunnel_spi_hash_byaddr(xfrm_address_t *addr) { unsigned h; - X6TPRINTK3(KERN_DEBUG "%s(addr=%p)\n", __FUNCTION__, addr); - - h = addr->a6[0] ^ addr->a6[1] ^ addr->a6[2] ^ addr->a6[3]; + h = (__force u32)(addr->a6[0] ^ addr->a6[1] ^ addr->a6[2] ^ addr->a6[3]); h ^= h >> 16; h ^= h >> 8; h &= XFRM6_TUNNEL_SPI_BYADDR_HSIZE - 1; - X6TPRINTK3(KERN_DEBUG "%s() = %u\n", __FUNCTION__, h); - return h; } -static unsigned inline xfrm6_tunnel_spi_hash_byspi(u32 spi) +static inline unsigned xfrm6_tunnel_spi_hash_byspi(u32 spi) { return spi % XFRM6_TUNNEL_SPI_BYSPI_HSIZE; } @@ -137,19 +81,13 @@ static int xfrm6_tunnel_spi_init(void) { int i; - X6TPRINTK3(KERN_DEBUG "%s()\n", __FUNCTION__); - xfrm6_tunnel_spi = 0; xfrm6_tunnel_spi_kmem = kmem_cache_create("xfrm6_tunnel_spi", sizeof(struct xfrm6_tunnel_spi), 0, SLAB_HWCACHE_ALIGN, - NULL, NULL); - if (!xfrm6_tunnel_spi_kmem) { - X6TPRINTK1(KERN_ERR - "%s(): failed to allocate xfrm6_tunnel_spi_kmem\n", - __FUNCTION__); + NULL); + if (!xfrm6_tunnel_spi_kmem) return -ENOMEM; - } for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++) INIT_HLIST_HEAD(&xfrm6_tunnel_spi_byaddr[i]); @@ -162,22 +100,17 @@ static void xfrm6_tunnel_spi_fini(void) { int i; - X6TPRINTK3(KERN_DEBUG "%s()\n", __FUNCTION__); - for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++) { if (!hlist_empty(&xfrm6_tunnel_spi_byaddr[i])) - goto err; + return; } for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++) { if (!hlist_empty(&xfrm6_tunnel_spi_byspi[i])) - goto err; + return; } + rcu_barrier(); kmem_cache_destroy(xfrm6_tunnel_spi_kmem); xfrm6_tunnel_spi_kmem = NULL; - return; -err: - X6TPRINTK1(KERN_ERR "%s(): table is not empty\n", __FUNCTION__); - return; } static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr) @@ -185,46 +118,50 @@ static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr) struct xfrm6_tunnel_spi *x6spi; struct hlist_node *pos; - X6TPRINTK3(KERN_DEBUG "%s(saddr=%p)\n", __FUNCTION__, saddr); - - hlist_for_each_entry(x6spi, pos, + hlist_for_each_entry_rcu(x6spi, pos, &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)], list_byaddr) { - if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0) { - X6SPI_CHECK_MAGIC(x6spi); - X6TPRINTK3(KERN_DEBUG "%s() = %p(%u)\n", __FUNCTION__, x6spi, x6spi->spi); + if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0) return x6spi; - } } - X6TPRINTK3(KERN_DEBUG "%s() = NULL(0)\n", __FUNCTION__); return NULL; } -u32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr) +__be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr) { struct xfrm6_tunnel_spi *x6spi; u32 spi; - X6TPRINTK3(KERN_DEBUG "%s(saddr=%p)\n", __FUNCTION__, saddr); - - read_lock_bh(&xfrm6_tunnel_spi_lock); + rcu_read_lock_bh(); x6spi = __xfrm6_tunnel_spi_lookup(saddr); spi = x6spi ? x6spi->spi : 0; - read_unlock_bh(&xfrm6_tunnel_spi_lock); - return spi; + rcu_read_unlock_bh(); + return htonl(spi); } EXPORT_SYMBOL(xfrm6_tunnel_spi_lookup); -static u32 __xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr) +static int __xfrm6_tunnel_spi_check(u32 spi) { - u32 spi; struct xfrm6_tunnel_spi *x6spi; + int index = xfrm6_tunnel_spi_hash_byspi(spi); struct hlist_node *pos; - unsigned index; - X6TPRINTK3(KERN_DEBUG "%s(saddr=%p)\n", __FUNCTION__, saddr); + hlist_for_each_entry(x6spi, pos, + &xfrm6_tunnel_spi_byspi[index], + list_byspi) { + if (x6spi->spi == spi) + return -1; + } + return index; +} + +static u32 __xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr) +{ + u32 spi; + struct xfrm6_tunnel_spi *x6spi; + int index; if (xfrm6_tunnel_spi < XFRM6_TUNNEL_SPI_MIN || xfrm6_tunnel_spi >= XFRM6_TUNNEL_SPI_MAX) @@ -233,223 +170,130 @@ static u32 __xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr) xfrm6_tunnel_spi++; for (spi = xfrm6_tunnel_spi; spi <= XFRM6_TUNNEL_SPI_MAX; spi++) { - index = xfrm6_tunnel_spi_hash_byspi(spi); - hlist_for_each_entry(x6spi, pos, - &xfrm6_tunnel_spi_byspi[index], - list_byspi) { - if (x6spi->spi == spi) - goto try_next_1; - } - xfrm6_tunnel_spi = spi; - goto alloc_spi; -try_next_1:; + index = __xfrm6_tunnel_spi_check(spi); + if (index >= 0) + goto alloc_spi; } for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tunnel_spi; spi++) { - index = xfrm6_tunnel_spi_hash_byspi(spi); - hlist_for_each_entry(x6spi, pos, - &xfrm6_tunnel_spi_byspi[index], - list_byspi) { - if (x6spi->spi == spi) - goto try_next_2; - } - xfrm6_tunnel_spi = spi; - goto alloc_spi; -try_next_2:; + index = __xfrm6_tunnel_spi_check(spi); + if (index >= 0) + goto alloc_spi; } spi = 0; goto out; alloc_spi: - X6TPRINTK3(KERN_DEBUG "%s(): allocate new spi for " - "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n", - __FUNCTION__, - NIP6(*(struct in6_addr *)saddr)); - x6spi = kmem_cache_alloc(xfrm6_tunnel_spi_kmem, SLAB_ATOMIC); - if (!x6spi) { - X6TPRINTK1(KERN_ERR "%s(): kmem_cache_alloc() failed\n", - __FUNCTION__); + xfrm6_tunnel_spi = spi; + x6spi = kmem_cache_alloc(xfrm6_tunnel_spi_kmem, GFP_ATOMIC); + if (!x6spi) goto out; - } -#ifdef XFRM6_TUNNEL_SPI_MAGIC - x6spi->magic = XFRM6_TUNNEL_SPI_MAGIC; -#endif + + INIT_RCU_HEAD(&x6spi->rcu_head); memcpy(&x6spi->addr, saddr, sizeof(x6spi->addr)); x6spi->spi = spi; atomic_set(&x6spi->refcnt, 1); - hlist_add_head(&x6spi->list_byspi, &xfrm6_tunnel_spi_byspi[index]); + hlist_add_head_rcu(&x6spi->list_byspi, &xfrm6_tunnel_spi_byspi[index]); index = xfrm6_tunnel_spi_hash_byaddr(saddr); - hlist_add_head(&x6spi->list_byaddr, &xfrm6_tunnel_spi_byaddr[index]); - X6SPI_CHECK_MAGIC(x6spi); + hlist_add_head_rcu(&x6spi->list_byaddr, &xfrm6_tunnel_spi_byaddr[index]); out: - X6TPRINTK3(KERN_DEBUG "%s() = %u\n", __FUNCTION__, spi); return spi; } -u32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr) +__be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr) { struct xfrm6_tunnel_spi *x6spi; u32 spi; - X6TPRINTK3(KERN_DEBUG "%s(saddr=%p)\n", __FUNCTION__, saddr); - - write_lock_bh(&xfrm6_tunnel_spi_lock); + spin_lock_bh(&xfrm6_tunnel_spi_lock); x6spi = __xfrm6_tunnel_spi_lookup(saddr); if (x6spi) { atomic_inc(&x6spi->refcnt); spi = x6spi->spi; } else spi = __xfrm6_tunnel_alloc_spi(saddr); - write_unlock_bh(&xfrm6_tunnel_spi_lock); - - X6TPRINTK3(KERN_DEBUG "%s() = %u\n", __FUNCTION__, spi); + spin_unlock_bh(&xfrm6_tunnel_spi_lock); - return spi; + return htonl(spi); } EXPORT_SYMBOL(xfrm6_tunnel_alloc_spi); +static void x6spi_destroy_rcu(struct rcu_head *head) +{ + kmem_cache_free(xfrm6_tunnel_spi_kmem, + container_of(head, struct xfrm6_tunnel_spi, rcu_head)); +} + void xfrm6_tunnel_free_spi(xfrm_address_t *saddr) { struct xfrm6_tunnel_spi *x6spi; struct hlist_node *pos, *n; - X6TPRINTK3(KERN_DEBUG "%s(saddr=%p)\n", __FUNCTION__, saddr); - - write_lock_bh(&xfrm6_tunnel_spi_lock); + spin_lock_bh(&xfrm6_tunnel_spi_lock); - hlist_for_each_entry_safe(x6spi, pos, n, + hlist_for_each_entry_safe(x6spi, pos, n, &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)], list_byaddr) { if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0) { - X6TPRINTK3(KERN_DEBUG "%s(): x6spi object " - "for %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x " - "found at %p\n", - __FUNCTION__, - NIP6(*(struct in6_addr *)saddr), - x6spi); - X6SPI_CHECK_MAGIC(x6spi); if (atomic_dec_and_test(&x6spi->refcnt)) { - hlist_del(&x6spi->list_byaddr); - hlist_del(&x6spi->list_byspi); - kmem_cache_free(xfrm6_tunnel_spi_kmem, x6spi); + hlist_del_rcu(&x6spi->list_byaddr); + hlist_del_rcu(&x6spi->list_byspi); + call_rcu(&x6spi->rcu_head, x6spi_destroy_rcu); break; } } } - write_unlock_bh(&xfrm6_tunnel_spi_lock); + spin_unlock_bh(&xfrm6_tunnel_spi_lock); } EXPORT_SYMBOL(xfrm6_tunnel_free_spi); static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb) { - struct ipv6hdr *top_iph; - - top_iph = (struct ipv6hdr *)skb->data; - top_iph->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); - - return 0; -} - -static int xfrm6_tunnel_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struct sk_buff *skb) -{ + skb_push(skb, -skb_network_offset(skb)); return 0; } -static struct xfrm6_tunnel *xfrm6_tunnel_handler; -static DECLARE_MUTEX(xfrm6_tunnel_sem); - -int xfrm6_tunnel_register(struct xfrm6_tunnel *handler) +static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb) { - int ret; - - down(&xfrm6_tunnel_sem); - ret = 0; - if (xfrm6_tunnel_handler != NULL) - ret = -EINVAL; - if (!ret) - xfrm6_tunnel_handler = handler; - up(&xfrm6_tunnel_sem); - - return ret; + return skb_network_header(skb)[IP6CB(skb)->nhoff]; } -EXPORT_SYMBOL(xfrm6_tunnel_register); - -int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler) +static int xfrm6_tunnel_rcv(struct sk_buff *skb) { - int ret; - - down(&xfrm6_tunnel_sem); - ret = 0; - if (xfrm6_tunnel_handler != handler) - ret = -EINVAL; - if (!ret) - xfrm6_tunnel_handler = NULL; - up(&xfrm6_tunnel_sem); - - synchronize_net(); - - return ret; -} - -EXPORT_SYMBOL(xfrm6_tunnel_deregister); - -static int xfrm6_tunnel_rcv(struct sk_buff **pskb, unsigned int *nhoffp) -{ - struct sk_buff *skb = *pskb; - struct xfrm6_tunnel *handler = xfrm6_tunnel_handler; - struct ipv6hdr *iph = skb->nh.ipv6h; - u32 spi; - - /* device-like_ip6ip6_handler() */ - if (handler && handler->handler(pskb, nhoffp) == 0) - return 0; + struct ipv6hdr *iph = ipv6_hdr(skb); + __be32 spi; spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr); - return xfrm6_rcv_spi(pskb, nhoffp, spi); + return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi) > 0 ? : 0; } -static void xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, - int type, int code, int offset, __u32 info) +static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, + u8 type, u8 code, int offset, __be32 info) { - struct xfrm6_tunnel *handler = xfrm6_tunnel_handler; - - /* call here first for device-like ip6ip6 err handling */ - if (handler) { - handler->err_handler(skb, opt, type, code, offset, info); - return; - } - /* xfrm6_tunnel native err handling */ switch (type) { - case ICMPV6_DEST_UNREACH: + case ICMPV6_DEST_UNREACH: switch (code) { - case ICMPV6_NOROUTE: + case ICMPV6_NOROUTE: case ICMPV6_ADM_PROHIBITED: case ICMPV6_NOT_NEIGHBOUR: case ICMPV6_ADDR_UNREACH: case ICMPV6_PORT_UNREACH: default: - X6TPRINTK3(KERN_DEBUG - "xfrm6_tunnel: Destination Unreach.\n"); break; } break; case ICMPV6_PKT_TOOBIG: - X6TPRINTK3(KERN_DEBUG - "xfrm6_tunnel: Packet Too Big.\n"); break; case ICMPV6_TIME_EXCEED: switch (code) { case ICMPV6_EXC_HOPLIMIT: - X6TPRINTK3(KERN_DEBUG - "xfrm6_tunnel: Too small Hoplimit.\n"); break; case ICMPV6_EXC_FRAGTIME: - default: + default: break; } break; @@ -463,12 +307,13 @@ static void xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, default: break; } - return; + + return 0; } static int xfrm6_tunnel_init_state(struct xfrm_state *x) { - if (!x->props.mode) + if (x->props.mode != XFRM_MODE_TUNNEL) return -EINVAL; if (x->encap) @@ -484,7 +329,7 @@ static void xfrm6_tunnel_destroy(struct xfrm_state *x) xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr); } -static struct xfrm_type xfrm6_tunnel_type = { +static const struct xfrm_type xfrm6_tunnel_type = { .description = "IP6IP6", .owner = THIS_MODULE, .proto = IPPROTO_IPV6, @@ -494,50 +339,55 @@ static struct xfrm_type xfrm6_tunnel_type = { .output = xfrm6_tunnel_output, }; -static struct inet6_protocol xfrm6_tunnel_protocol = { +static struct xfrm6_tunnel xfrm6_tunnel_handler = { .handler = xfrm6_tunnel_rcv, - .err_handler = xfrm6_tunnel_err, - .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, + .err_handler = xfrm6_tunnel_err, + .priority = 2, +}; + +static struct xfrm6_tunnel xfrm46_tunnel_handler = { + .handler = xfrm6_tunnel_rcv, + .err_handler = xfrm6_tunnel_err, + .priority = 2, }; static int __init xfrm6_tunnel_init(void) { - X6TPRINTK3(KERN_DEBUG "%s()\n", __FUNCTION__); - - if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0) { - X6TPRINTK1(KERN_ERR - "xfrm6_tunnel init: can't add xfrm type\n"); - return -EAGAIN; - } - if (inet6_add_protocol(&xfrm6_tunnel_protocol, IPPROTO_IPV6) < 0) { - X6TPRINTK1(KERN_ERR - "xfrm6_tunnel init(): can't add protocol\n"); - xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); - return -EAGAIN; - } - if (xfrm6_tunnel_spi_init() < 0) { - X6TPRINTK1(KERN_ERR - "xfrm6_tunnel init: failed to initialize spi\n"); - inet6_del_protocol(&xfrm6_tunnel_protocol, IPPROTO_IPV6); - xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); - return -EAGAIN; - } + int rv; + + rv = xfrm_register_type(&xfrm6_tunnel_type, AF_INET6); + if (rv < 0) + goto err; + rv = xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6); + if (rv < 0) + goto unreg; + rv = xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET); + if (rv < 0) + goto dereg6; + rv = xfrm6_tunnel_spi_init(); + if (rv < 0) + goto dereg46; return 0; + +dereg46: + xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET); +dereg6: + xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6); +unreg: + xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); +err: + return rv; } static void __exit xfrm6_tunnel_fini(void) { - X6TPRINTK3(KERN_DEBUG "%s()\n", __FUNCTION__); - xfrm6_tunnel_spi_fini(); - if (inet6_del_protocol(&xfrm6_tunnel_protocol, IPPROTO_IPV6) < 0) - X6TPRINTK1(KERN_ERR - "xfrm6_tunnel close: can't remove protocol\n"); - if (xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6) < 0) - X6TPRINTK1(KERN_ERR - "xfrm6_tunnel close: can't remove xfrm type\n"); + xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET); + xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6); + xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); } module_init(xfrm6_tunnel_init); module_exit(xfrm6_tunnel_fini); MODULE_LICENSE("GPL"); +MODULE_ALIAS_XFRM_TYPE(AF_INET6, XFRM_PROTO_IPV6);