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authorFilip Tehlar <ftehlar@cisco.com>2020-03-02 15:17:37 +0000
committerDamjan Marion <dmarion@me.com>2020-03-21 11:50:03 +0000
commite5d34919b4561a5ee11e41dec6b0184537b39696 (patch)
tree9ceae975f3ce8da4a5ef7da8922b1ab4781cb231 /src/vnet/ipsec
parent7f6d145accc6e63b150ab4efc282f19cbe996b57 (diff)
ikev2: add support for custom ipsec-over-udp port
Type: feature Change-Id: Ifee2b3dca85ea915067b9285e3636802bf0c19a8 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/vnet/ipsec')
-rw-r--r--src/vnet/ipsec/ipsec_api.c8
-rw-r--r--src/vnet/ipsec/ipsec_cli.c7
-rw-r--r--src/vnet/ipsec/ipsec_sa.c15
-rw-r--r--src/vnet/ipsec/ipsec_sa.h5
4 files changed, 25 insertions, 10 deletions
diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c
index c7ce3ef83d5..177300aeb9a 100644
--- a/src/vnet/ipsec/ipsec_api.c
+++ b/src/vnet/ipsec/ipsec_api.c
@@ -372,7 +372,7 @@ static void vl_api_ipsec_sad_entry_add_del_t_handler
crypto_alg, &crypto_key,
integ_alg, &integ_key, flags,
0, mp->entry.salt, &tun_src, &tun_dst,
- &sa_index);
+ &sa_index, IPSEC_UDP_PORT_NONE);
else
rv = ipsec_sa_unlock_id (id);
@@ -662,7 +662,8 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
&integ_key,
(flags | IPSEC_SA_FLAG_IS_INBOUND),
ntohl (mp->tx_table_id),
- mp->salt, &remote_ip, &local_ip, NULL);
+ mp->salt, &remote_ip, &local_ip, NULL,
+ IPSEC_UDP_PORT_NONE);
if (rv)
goto done;
@@ -676,7 +677,8 @@ vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
&integ_key,
flags,
ntohl (mp->tx_table_id),
- mp->salt, &local_ip, &remote_ip, NULL);
+ mp->salt, &local_ip, &remote_ip, NULL,
+ IPSEC_UDP_PORT_NONE);
if (rv)
goto done;
diff --git a/src/vnet/ipsec/ipsec_cli.c b/src/vnet/ipsec/ipsec_cli.c
index 04061901ccc..7779e79f067 100644
--- a/src/vnet/ipsec/ipsec_cli.c
+++ b/src/vnet/ipsec/ipsec_cli.c
@@ -149,7 +149,8 @@ ipsec_sa_add_del_command_fn (vlib_main_t * vm,
rv = ipsec_sa_add_and_lock (id, spi, proto, crypto_alg,
&ck, integ_alg, &ik, flags,
0, clib_host_to_net_u32 (salt),
- &tun_src, &tun_dst, NULL);
+ &tun_src, &tun_dst, NULL,
+ IPSEC_UDP_PORT_NONE);
else
rv = ipsec_sa_unlock_id (id);
@@ -852,14 +853,14 @@ create_ipsec_tunnel_command_fn (vlib_main_t * vm,
local_spi, IPSEC_PROTOCOL_ESP, crypto_alg,
&lck, integ_alg, &lik, flags, table_id,
clib_host_to_net_u32 (salt), &local_ip,
- &remote_ip, NULL);
+ &remote_ip, NULL, IPSEC_UDP_PORT_NONE);
rv |=
ipsec_sa_add_and_lock (ipsec_tun_mk_remote_sa_id (sw_if_index),
remote_spi, IPSEC_PROTOCOL_ESP, crypto_alg,
&rck, integ_alg, &rik,
(flags | IPSEC_SA_FLAG_IS_INBOUND), table_id,
clib_host_to_net_u32 (salt), &remote_ip,
- &local_ip, NULL);
+ &local_ip, NULL, IPSEC_UDP_PORT_NONE);
rv |=
ipsec_tun_protect_update_one (sw_if_index, &nh,
ipsec_tun_mk_local_sa_id (sw_if_index),
diff --git a/src/vnet/ipsec/ipsec_sa.c b/src/vnet/ipsec/ipsec_sa.c
index 4401c2e3d74..0e1e63d0db4 100644
--- a/src/vnet/ipsec/ipsec_sa.c
+++ b/src/vnet/ipsec/ipsec_sa.c
@@ -135,7 +135,8 @@ ipsec_sa_add_and_lock (u32 id,
u32 tx_table_id,
u32 salt,
const ip46_address_t * tun_src,
- const ip46_address_t * tun_dst, u32 * sa_out_index)
+ const ip46_address_t * tun_dst, u32 * sa_out_index,
+ u16 dst_port)
{
vlib_main_t *vm = vlib_get_main ();
ipsec_main_t *im = &ipsec_main;
@@ -269,8 +270,16 @@ ipsec_sa_add_and_lock (u32 id,
if (ipsec_sa_is_set_UDP_ENCAP (sa))
{
- sa->udp_hdr.src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
- sa->udp_hdr.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
+ if (dst_port == IPSEC_UDP_PORT_NONE)
+ {
+ sa->udp_hdr.src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
+ sa->udp_hdr.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
+ }
+ else
+ {
+ sa->udp_hdr.src_port = clib_host_to_net_u16 (dst_port);
+ sa->udp_hdr.dst_port = clib_host_to_net_u16 (dst_port);
+ }
}
hash_set (im->sa_index_by_sa_id, sa->id, sa_index);
diff --git a/src/vnet/ipsec/ipsec_sa.h b/src/vnet/ipsec/ipsec_sa.h
index e0d74e1309e..0997eb7d8bc 100644
--- a/src/vnet/ipsec/ipsec_sa.h
+++ b/src/vnet/ipsec/ipsec_sa.h
@@ -16,6 +16,7 @@
#define __IPSEC_SPD_SA_H__
#include <vlib/vlib.h>
+#include <vnet/crypto/crypto.h>
#include <vnet/ip/ip.h>
#include <vnet/fib/fib_node.h>
@@ -209,7 +210,7 @@ extern int ipsec_sa_add_and_lock (u32 id,
u32 salt,
const ip46_address_t * tunnel_src_addr,
const ip46_address_t * tunnel_dst_addr,
- u32 * sa_index);
+ u32 * sa_index, u16 dst_port);
extern index_t ipsec_sa_find_and_lock (u32 id);
extern int ipsec_sa_unlock_id (u32 id);
extern void ipsec_sa_unlock (index_t sai);
@@ -233,6 +234,8 @@ extern uword unformat_ipsec_integ_alg (unformat_input_t * input,
va_list * args);
extern uword unformat_ipsec_key (unformat_input_t * input, va_list * args);
+#define IPSEC_UDP_PORT_NONE ((u16)~0)
+
/*
* Anti Replay definitions
*/