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authorFilip Varga <fivarga@cisco.com>2020-08-30 21:19:55 +0200
committerOle Trøan <otroan@employees.org>2020-09-02 16:42:41 +0000
commit6484f4b9cbaf19062444cfe09b39ce1514dd146f (patch)
treead70ca1ed7815b0899ba24e962de02a0501908f1 /src/plugins/nat/nat_api.c
parent42845dd56e0694a88a6318f5974724adee8312fe (diff)
nat: twice-nat static mapping pool address
Let twice-nat static mapping pick specific address from the twice-nat pool. Type: improvement Change-Id: Iadaa036af2fa3b0e6e9a68ff6e68b4bbe1650eb1 Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat_api.c')
-rw-r--r--src/plugins/nat/nat_api.c93
1 files changed, 88 insertions, 5 deletions
diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index ad67375fb7a..bbb1645b5e3 100644
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -1105,7 +1105,7 @@ static void
{
snat_main_t *sm = &snat_main;
vl_api_nat44_add_del_static_mapping_reply_t *rmp;
- ip4_address_t local_addr, external_addr;
+ ip4_address_t local_addr, external_addr, pool_addr = { 0 };
u16 local_port = 0, external_port = 0;
u32 vrf_id, external_sw_if_index;
twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
@@ -1139,12 +1139,61 @@ static void
mp->flags & NAT_API_IS_ADDR_ONLY,
external_sw_if_index, proto,
mp->is_add, twice_nat,
- mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0);
+ mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0,
+ pool_addr, 0);
vec_free (tag);
REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
}
+static void
+ vl_api_nat44_add_del_static_mapping_v2_t_handler
+ (vl_api_nat44_add_del_static_mapping_v2_t * mp)
+{
+ snat_main_t *sm = &snat_main;
+ vl_api_nat44_add_del_static_mapping_v2_reply_t *rmp;
+ ip4_address_t local_addr, external_addr, pool_addr;
+ u16 local_port = 0, external_port = 0;
+ u32 vrf_id, external_sw_if_index;
+ twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
+ int rv = 0;
+ nat_protocol_t proto;
+ u8 *tag = 0;
+
+ memcpy (&pool_addr.as_u8, mp->pool_ip_address, 4);
+ memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
+ memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
+
+ if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
+ {
+ local_port = mp->local_port;
+ external_port = mp->external_port;
+ }
+
+ vrf_id = clib_net_to_host_u32 (mp->vrf_id);
+ external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
+ proto = ip_proto_to_nat_proto (mp->protocol);
+
+ if (mp->flags & NAT_API_IS_TWICE_NAT)
+ twice_nat = TWICE_NAT;
+ else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
+ twice_nat = TWICE_NAT_SELF;
+ mp->tag[sizeof (mp->tag) - 1] = 0;
+ tag = format (0, "%s", mp->tag);
+ vec_terminate_c_string (tag);
+
+ rv = snat_add_static_mapping (local_addr, external_addr, local_port,
+ external_port, vrf_id,
+ mp->flags & NAT_API_IS_ADDR_ONLY,
+ external_sw_if_index, proto,
+ mp->is_add, twice_nat,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0,
+ pool_addr, mp->match_pool);
+ vec_free (tag);
+
+ REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_V2_REPLY);
+}
+
static void *vl_api_nat44_add_del_static_mapping_t_print
(vl_api_nat44_add_del_static_mapping_t * mp, void *handle)
{
@@ -1174,6 +1223,39 @@ static void *vl_api_nat44_add_del_static_mapping_t_print
FINISH;
}
+static void *vl_api_nat44_add_del_static_mapping_v2_t_print
+ (vl_api_nat44_add_del_static_mapping_v2_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: nat44_add_del_static_mapping_v2 ");
+ s = format (s, "protocol %d local_addr %U external_addr %U ",
+ mp->protocol,
+ format_ip4_address, mp->local_ip_address,
+ format_ip4_address, mp->external_ip_address);
+
+ if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
+ s = format (s, "local_port %d external_port %d ",
+ clib_net_to_host_u16 (mp->local_port),
+ clib_net_to_host_u16 (mp->external_port));
+
+ s = format (s, "twice_nat %d out2in_only %d ",
+ mp->flags & NAT_API_IS_TWICE_NAT,
+ mp->flags & NAT_API_IS_OUT2IN_ONLY);
+
+ if (mp->vrf_id != ~0)
+ s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
+
+ if (mp->external_sw_if_index != ~0)
+ s = format (s, "external_sw_if_index %d",
+ clib_net_to_host_u32 (mp->external_sw_if_index));
+ if (mp->match_pool)
+ s = format (s, "match pool address %U",
+ format_ip4_address, mp->pool_ip_address);
+
+ FINISH;
+}
+
static void
send_nat44_static_mapping_details (snat_static_mapping_t * m,
vl_api_registration_t * reg, u32 context)
@@ -1301,7 +1383,7 @@ static void
{
snat_main_t *sm = &snat_main;
vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
- ip4_address_t addr;
+ ip4_address_t addr, pool_addr = { 0 };
u16 port = 0;
u32 vrf_id, sw_if_index;
int rv = 0;
@@ -1326,7 +1408,7 @@ static void
rv =
snat_add_static_mapping (addr, addr, port, port, vrf_id,
mp->flags & NAT_API_IS_ADDR_ONLY, sw_if_index,
- proto, mp->is_add, 0, 0, tag, 1);
+ proto, mp->is_add, 0, 0, tag, 1, pool_addr, 0);
vec_free (tag);
REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
@@ -2047,7 +2129,7 @@ vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
{
u8 *s;
- s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
+ s = format (0, "SCRIPT: nat44_add_del_session ");
s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
format_ip4_address, mp->address,
clib_net_to_host_u16 (mp->port),
@@ -2663,6 +2745,7 @@ _(NAT_HA_RESYNC, nat_ha_resync) \
_(NAT44_ADD_DEL_ADDRESS_RANGE, nat44_add_del_address_range) \
_(NAT44_INTERFACE_ADD_DEL_FEATURE, nat44_interface_add_del_feature) \
_(NAT44_ADD_DEL_STATIC_MAPPING, nat44_add_del_static_mapping) \
+_(NAT44_ADD_DEL_STATIC_MAPPING_V2, nat44_add_del_static_mapping_v2) \
_(NAT44_ADD_DEL_IDENTITY_MAPPING, nat44_add_del_identity_mapping) \
_(NAT44_STATIC_MAPPING_DUMP, nat44_static_mapping_dump) \
_(NAT44_IDENTITY_MAPPING_DUMP, nat44_identity_mapping_dump) \