u32 hw_if_index = ~0;
uword *p;
u32 dev_instance;
- u32 slot;
ipsec_key_t crypto_key, integ_key;
ipsec_sa_flags_t flags;
int rv;
+ int is_ip6 = args->is_ip6;
+ ipsec4_tunnel_key_t key4;
+ ipsec6_tunnel_key_t key6;
- u64 key = ((u64) args->remote_ip.ip4.as_u32 << 32 |
- (u64) clib_host_to_net_u32 (args->remote_spi));
- p = hash_get (im->ipsec_if_pool_index_by_key, key);
+ if (!is_ip6)
+ {
+ key4.remote_ip = args->remote_ip.ip4.as_u32;
+ key4.spi = clib_host_to_net_u32 (args->remote_spi);
+ p = hash_get (im->ipsec4_if_pool_index_by_key, key4.as_u64);
+ }
+ else
+ {
+ key6.remote_ip = args->remote_ip.ip6;
+ key6.spi = clib_host_to_net_u32 (args->remote_spi);
+ p = hash_get_mem (im->ipsec6_if_pool_index_by_key, &key6);
+ }
if (args->is_add)
{
dev_instance);
flags = IPSEC_SA_FLAG_IS_TUNNEL;
+ if (args->is_ip6)
+ flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
if (args->udp_encap)
flags |= IPSEC_SA_FLAG_UDP_ENCAP;
if (args->esn)
if (rv)
return VNET_API_ERROR_UNIMPLEMENTED;
- hash_set (im->ipsec_if_pool_index_by_key, key,
- t - im->tunnel_interfaces);
+ /* copy the key */
+ if (is_ip6)
+ hash_set_mem_alloc (&im->ipsec6_if_pool_index_by_key, &key6,
+ t - im->tunnel_interfaces);
+ else
+ hash_set (im->ipsec4_if_pool_index_by_key, key4.as_u64,
+ t - im->tunnel_interfaces);
hw_if_index = vnet_register_interface (vnm, ipsec_device_class.index,
t - im->tunnel_interfaces,
t - im->tunnel_interfaces);
hi = vnet_get_hw_interface (vnm, hw_if_index);
- /* add esp4 as the next-node-index of this tx-node */
- slot = vlib_node_add_next_with_slot
- (vnm->vlib_main, hi->tx_node_index, im->esp4_encrypt_node_index, 0);
+ /* add esp4/6 as the next-node-index of this tx-node */
+ uword slot = vlib_node_add_next_with_slot
+ (vnm->vlib_main, hi->tx_node_index,
+ is_ip6 ? im->esp6_encrypt_node_index : im->esp4_encrypt_node_index,
+ 0);
ASSERT (slot == 0);
t->hw_if_index = hw_if_index;
t->sw_if_index = hi->sw_if_index;
- vnet_feature_enable_disable ("interface-output", "ipsec-if-output",
- hi->sw_if_index, 1, 0, 0);
-
+ vnet_feature_enable_disable ("interface-output",
+ args->is_ip6 ? "ipsec6-if-output" :
+ "ipsec4-if-output", hi->sw_if_index, 1, 0,
+ 0);
/*1st interface, register protocol */
if (pool_elts (im->tunnel_interfaces) == 1)
- ip4_register_protocol (IP_PROTOCOL_IPSEC_ESP,
- ipsec_if_input_node.index);
+ {
+ ip4_register_protocol (IP_PROTOCOL_IPSEC_ESP,
+ ipsec4_if_input_node.index);
+ ip6_register_protocol (IP_PROTOCOL_IPSEC_ESP,
+ ipsec6_if_input_node.index);
+ }
}
else
hi = vnet_get_hw_interface (vnm, t->hw_if_index);
vnet_sw_interface_set_flags (vnm, hi->sw_if_index, 0); /* admin down */
- vnet_feature_enable_disable ("interface-output", "ipsec-if-output",
- hi->sw_if_index, 0, 0, 0);
-
+ vnet_feature_enable_disable ("interface-output",
+ args->is_ip6 ? "ipsec6-if-output" :
+ "ipsec4-if-output", hi->sw_if_index, 0, 0,
+ 0);
vnet_delete_hw_interface (vnm, t->hw_if_index);
- hash_unset (im->ipsec_if_pool_index_by_key, key);
+ if (is_ip6)
+ hash_unset_mem_free (&im->ipsec6_if_pool_index_by_key, &key6);
+ else
+ hash_unset (im->ipsec4_if_pool_index_by_key, key4.as_u64);
+
hash_unset (im->ipsec_if_real_dev_by_show_dev, t->show_instance);
pool_put (im->tunnel_interfaces, t);
ipsec_main_t *im = &ipsec_main;
uword *p;
ipsec_sa_t *sa;
- u64 key;
+ ipsec4_tunnel_key_t key;
u32 isa, osa;
p = hash_get (im->sa_index_by_sa_id, args->local_sa_id);
sa = pool_elt_at_index (im->sad, p[0]);
if (sa->is_tunnel)
- key = ((u64) sa->tunnel_dst_addr.ip4.as_u32 << 32 |
- (u64) clib_host_to_net_u32 (sa->spi));
+ {
+ key.remote_ip = sa->tunnel_dst_addr.ip4.as_u32;
+ key.spi = clib_host_to_net_u32 (sa->spi);
+ }
else
- key = ((u64) args->remote_ip.as_u32 << 32 |
- (u64) clib_host_to_net_u32 (sa->spi));
+ {
+ key.remote_ip = args->remote_ip.as_u32;
+ key.spi = clib_host_to_net_u32 (sa->spi);
+ }
- p = hash_get (im->ipsec_if_pool_index_by_key, key);
+ p = hash_get (im->ipsec4_if_pool_index_by_key, key.as_u64);
if (args->is_add)
{
t->input_sa_index = isa;
t->output_sa_index = osa;
t->hw_if_index = ~0;
- hash_set (im->ipsec_if_pool_index_by_key, key,
+ hash_set (im->ipsec4_if_pool_index_by_key, key.as_u64,
t - im->tunnel_interfaces);
/*1st interface, register protocol */
if (pool_elts (im->tunnel_interfaces) == 1)
- ip4_register_protocol (IP_PROTOCOL_IPSEC_ESP,
- ipsec_if_input_node.index);
+ {
+ ip4_register_protocol (IP_PROTOCOL_IPSEC_ESP,
+ ipsec4_if_input_node.index);
+ /* TBD, GRE IPSec6
+ *
+ ip6_register_protocol (IP_PROTOCOL_IPSEC_ESP,
+ ipsec6_if_input_node.index);
+ */
+ }
}
else
{
return VNET_API_ERROR_INVALID_VALUE;
t = pool_elt_at_index (im->tunnel_interfaces, p[0]);
- hash_unset (im->ipsec_if_pool_index_by_key, key);
+ hash_unset (im->ipsec4_if_pool_index_by_key, key.as_u64);
pool_put (im->tunnel_interfaces, t);
}
return 0;
}
sa = pool_elt_at_index (im->sad, sa_index);
- if (sa->is_tunnel_ip6)
- {
- clib_warning ("IPsec interface not supported with IPv6 endpoints");
- return VNET_API_ERROR_UNIMPLEMENTED;
- }
if (!is_outbound)
{
- u64 key;
-
old_sa_index = t->input_sa_index;
old_sa = pool_elt_at_index (im->sad, old_sa_index);
- /* unset old inbound hash entry. packets should stop arriving */
- key = ((u64) old_sa->tunnel_src_addr.ip4.as_u32 << 32 |
- (u64) clib_host_to_net_u32 (old_sa->spi));
- p = hash_get (im->ipsec_if_pool_index_by_key, key);
- if (p)
- hash_unset (im->ipsec_if_pool_index_by_key, key);
+ if (sa->is_tunnel_ip6 ^ old_sa->is_tunnel_ip6)
+ {
+ clib_warning ("IPsec interface SA endpoints type can't be changed");
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
+ if (sa->is_tunnel_ip6)
+ {
+ ipsec6_tunnel_key_t key;
+
+ /* unset old inbound hash entry. packets should stop arriving */
+ key.remote_ip = old_sa->tunnel_src_addr.ip6;
+ key.spi = clib_host_to_net_u32 (old_sa->spi);
+
+ p = hash_get_mem (im->ipsec6_if_pool_index_by_key, &key);
+ if (p)
+ hash_unset_mem_free (&im->ipsec6_if_pool_index_by_key, &key);
+
+ /* set new inbound SA, then set new hash entry */
+ t->input_sa_index = sa_index;
+ key.remote_ip = sa->tunnel_src_addr.ip6;
+ key.spi = clib_host_to_net_u32 (sa->spi);
+
+ hash_set_mem_alloc (&im->ipsec6_if_pool_index_by_key, &key,
+ hi->dev_instance);
+ }
+ else
+ {
+ ipsec4_tunnel_key_t key;
+
+ /* unset old inbound hash entry. packets should stop arriving */
+ key.remote_ip = old_sa->tunnel_src_addr.ip4.as_u32;
+ key.spi = clib_host_to_net_u32 (old_sa->spi);
+
+ p = hash_get (im->ipsec4_if_pool_index_by_key, key.as_u64);
+ if (p)
+ hash_unset (im->ipsec4_if_pool_index_by_key, key.as_u64);
- /* set new inbound SA, then set new hash entry */
- t->input_sa_index = sa_index;
- key = ((u64) sa->tunnel_src_addr.ip4.as_u32 << 32 |
- (u64) clib_host_to_net_u32 (sa->spi));
- hash_set (im->ipsec_if_pool_index_by_key, key, hi->dev_instance);
+ /* set new inbound SA, then set new hash entry */
+ t->input_sa_index = sa_index;
+ key.remote_ip = sa->tunnel_src_addr.ip4.as_u32;
+ key.spi = clib_host_to_net_u32 (sa->spi);
+
+ hash_set (im->ipsec4_if_pool_index_by_key, key.as_u64,
+ hi->dev_instance);
+ }
}
else
{
old_sa_index = t->output_sa_index;
old_sa = pool_elt_at_index (im->sad, old_sa_index);
+
+ if (sa->is_tunnel_ip6 ^ old_sa->is_tunnel_ip6)
+ {
+ clib_warning ("IPsec interface SA endpoints type can't be changed");
+ return VNET_API_ERROR_INVALID_VALUE;
+ }
+
t->output_sa_index = sa_index;
}
return 0;
}
+
clib_error_t *
ipsec_tunnel_if_init (vlib_main_t * vm)
{
ipsec_main_t *im = &ipsec_main;
- im->ipsec_if_pool_index_by_key = hash_create (0, sizeof (uword));
+ /* initialize the ipsec-if ip4 hash */
+ im->ipsec4_if_pool_index_by_key =
+ hash_create (0, sizeof (ipsec4_tunnel_key_t));
+ /* initialize the ipsec-if ip6 hash */
+ im->ipsec6_if_pool_index_by_key = hash_create_mem (0,
+ sizeof
+ (ipsec6_tunnel_key_t),
+ sizeof (uword));
im->ipsec_if_real_dev_by_show_dev = hash_create (0, sizeof (uword));
- udp_register_dst_port (vm, UDP_DST_PORT_ipsec, ipsec_if_input_node.index,
+ udp_register_dst_port (vm, UDP_DST_PORT_ipsec, ipsec4_if_input_node.index,
1);
-
return 0;
}
Code Review / vpp.git / blobdiff