diff options
Diffstat (limited to 'src/plugins/nat/nat.h')
| -rw-r--r-- | src/plugins/nat/nat.h | 62 |
1 files changed, 44 insertions, 18 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 1baf10ff43c..0549acdba3a 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -179,6 +179,11 @@ typedef enum #define NAT_INTERFACE_FLAG_IS_INSIDE 1 #define NAT_INTERFACE_FLAG_IS_OUTSIDE 2 +/* Static mapping flags */ +#define NAT_STATIC_MAPPING_FLAG_ADDR_ONLY 1 +#define NAT_STATIC_MAPPING_FLAG_OUT2IN_ONLY 2 +#define NAT_STATIC_MAPPING_FLAG_IDENTITY_NAT 4 + /* *INDENT-OFF* */ typedef CLIB_PACKED(struct { @@ -321,12 +326,8 @@ typedef struct u16 local_port; /* external port */ u16 external_port; - /* 1 = 1:1NAT, 0 = 1:1NAPT */ - u8 addr_only; /* is twice-nat */ twice_nat_type_t twice_nat; - /* 1 = rule match only out2in direction */ - u8 out2in_only; /* local FIB table */ u32 vrf_id; u32 fib_index; @@ -342,6 +343,8 @@ typedef struct nat44_lb_addr_port_t *locals; /* affinity per service lis */ u32 affinity_per_service_list_head_index; + /* flags */ + u32 flags; } snat_static_mapping_t; typedef struct @@ -358,9 +361,12 @@ typedef struct u32 sw_if_index; u32 vrf_id; snat_protocol_t proto; + u32 flags; int addr_only; int twice_nat; int is_add; + int out2in_only; + int identity_nat; u8 *tag; } snat_static_map_resolve_t; @@ -642,6 +648,24 @@ unformat_function_t unformat_snat_protocol; */ #define nat44_is_ses_closed(s) s->state == 0xf +/** \brief Check if NAT static mapping is address only (1:1NAT). + @param sm NAT static mapping + @return 1 if 1:1NAT, 0 if 1:1NAPT +*/ +#define is_addr_only_static_mapping(sm) (sm->flags & NAT_STATIC_MAPPING_FLAG_ADDR_ONLY) + +/** \brief Check if NAT static mapping match only out2in direction. + @param sm NAT static mapping + @return 1 if rule match only out2in direction +*/ +#define is_out2in_only_static_mapping(sm) (sm->flags & NAT_STATIC_MAPPING_FLAG_OUT2IN_ONLY) + +/** \brief Check if NAT static mapping is identity NAT. + @param sm NAT static mapping + @return 1 if identity NAT +*/ +#define is_identity_static_mapping(sm) (sm->flags & NAT_STATIC_MAPPING_FLAG_IDENTITY_NAT) + /* logging */ #define nat_log_err(...) \ vlib_log(VLIB_LOG_LEVEL_ERR, snat_main.log_class, __VA_ARGS__) @@ -773,18 +797,19 @@ void nat44_add_del_address_dpo (ip4_address_t addr, u8 is_add); /** * @brief Add/delete NAT44 static mapping * - * @param l_addr local IPv4 address - * @param e_addr external IPv4 address - * @param l_port local port number - * @param e_port external port number - * @param vrf_id local VRF ID - * @param addr_only 1 = 1:1NAT, 0 = 1:1NAPT - * @param sw_if_index use interface address as external IPv4 address - * @param proto L4 protocol - * @param is_add 1 = add, 0 = delete - * @param twice_nat twice-nat mode - * @param out2in_only if 1 rule match only out2in direction - * @param tagi opaque string tag + * @param l_addr local IPv4 address + * @param e_addr external IPv4 address + * @param l_port local port number + * @param e_port external port number + * @param vrf_id local VRF ID + * @param addr_only 1 = 1:1NAT, 0 = 1:1NAPT + * @param sw_if_index use interface address as external IPv4 address + * @param proto L4 protocol + * @param is_add 1 = add, 0 = delete + * @param twice_nat twice-nat mode + * @param out2in_only if 1 rule match only out2in direction + * @param tag opaque string tag + * @param identity_nat identity NAT * * @return 0 on success, non-zero value otherwise */ @@ -793,7 +818,7 @@ int snat_add_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, int addr_only, u32 sw_if_index, snat_protocol_t proto, int is_add, twice_nat_type_t twice_nat, u8 out2in_only, - u8 * tag); + u8 * tag, u8 identity_nat); /** * @brief Add/delete static mapping with load-balancing (multiple backends) @@ -1009,7 +1034,8 @@ int snat_static_mapping_match (snat_main_t * sm, u8 * is_addr_only, twice_nat_type_t * twice_nat, lb_nat_type_t * lb, - ip4_address_t * ext_host_addr); + ip4_address_t * ext_host_addr, + u8 * is_identity_nat); /** * @brief Add/del NAT address to FIB. |