diff options
Diffstat (limited to 'src/plugins/nat/nat44-ei/nat44_ei.h')
| -rw-r--r-- | src/plugins/nat/nat44-ei/nat44_ei.h | 142 |
1 files changed, 66 insertions, 76 deletions
diff --git a/src/plugins/nat/nat44-ei/nat44_ei.h b/src/plugins/nat/nat44-ei/nat44_ei.h index 055f81c069b..b4aa0f26c0b 100644 --- a/src/plugins/nat/nat44-ei/nat44_ei.h +++ b/src/plugins/nat/nat44-ei/nat44_ei.h @@ -36,6 +36,7 @@ #include <nat/lib/lib.h> #include <nat/lib/inlines.h> +#include <nat/lib/nat_proto.h> /* default number of worker handoff frame queue elements */ #define NAT_FQ_NELTS_DEFAULT 64 @@ -62,19 +63,17 @@ typedef enum #define NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO (1 << 1) /* Static mapping flags */ -#define NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY (1 << 0) -#define NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT (1 << 1) +#define NAT44_EI_SM_FLAG_ADDR_ONLY (1 << 0) +#define NAT44_EI_SM_FLAG_IDENTITY_NAT (1 << 1) +#define NAT44_EI_SM_FLAG_SWITCH_ADDRESS (1 << 2) typedef struct { ip4_address_t addr; u32 fib_index; -#define _(N, i, n, s) \ - u32 busy_##n##_ports; \ - u32 *busy_##n##_ports_per_thread; \ - u32 busy_##n##_port_refcounts[0xffff + 1]; - foreach_nat_protocol -#undef _ + u32 busy_ports[NAT_N_PROTOCOLS]; + u32 *busy_ports_per_thread[NAT_N_PROTOCOLS]; + uword *busy_port_bitmap[NAT_N_PROTOCOLS]; } nat44_ei_address_t; clib_error_t *nat44_ei_api_hookup (vlib_main_t *vm); @@ -138,13 +137,9 @@ typedef struct u32 vrf_id; u32 flags; nat_protocol_t proto; - u8 addr_only; - u8 identity_nat; - u8 exact; u8 *tag; } nat44_ei_static_map_resolve_t; -// TODO: cleanup/redo (there is no lb in EI nat) typedef struct { /* backend IP address */ @@ -161,7 +156,7 @@ typedef struct typedef struct { - /* prefered pool address */ + /* preferred pool address */ ip4_address_t pool_addr; /* local IP address */ ip4_address_t local_addr; @@ -339,6 +334,8 @@ typedef struct nat44_ei_main_s /* Interface pool */ nat44_ei_interface_t *interfaces; nat44_ei_interface_t *output_feature_interfaces; + // broken api backward compatibility + nat44_ei_interface_t *output_feature_dummy_interfaces; /* Is translation memory size calculated or user defined */ u8 translation_memory_size_set; @@ -470,12 +467,14 @@ typedef struct nat44_ei_main_s /* nat44 plugin enabled */ u8 enabled; + /* hairpinning registration counter */ + u32 hairpin_reg; + nat44_ei_config_t rconfig; u32 in2out_hairpinning_finish_ip4_lookup_node_fq_index; u32 in2out_hairpinning_finish_interface_output_node_fq_index; u32 hairpinning_fq_index; - u32 hairpin_dst_fq_index; vnet_main_t *vnet_main; } nat44_ei_main_t; @@ -483,9 +482,17 @@ typedef struct nat44_ei_main_s extern nat44_ei_main_t nat44_ei_main; int nat44_ei_plugin_enable (nat44_ei_config_t c); - int nat44_ei_plugin_disable (); +int nat44_ei_add_interface (u32 sw_if_index, u8 is_inside); +int nat44_ei_del_interface (u32 sw_if_index, u8 is_inside); +int nat44_ei_add_output_interface (u32 sw_if_index); +int nat44_ei_del_output_interface (u32 sw_if_index); +int nat44_ei_add_address (ip4_address_t *addr, u32 vrf_id); +int nat44_ei_del_address (ip4_address_t addr, u8 delete_sm); +int nat44_ei_add_interface_address (u32 sw_if_index); +int nat44_ei_del_interface_address (u32 sw_if_index); + /** * @brief Delete specific NAT44 EI user and his sessions * @@ -532,29 +539,14 @@ void nat44_ei_set_alloc_mape (u16 psid, u16 psid_offset, u16 psid_length); */ void nat44_ei_set_alloc_range (u16 start_port, u16 end_port); -/** - * @brief Add/delete NAT44-EI 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 proto L4 protocol - * @param sw_if_index use interface address as external IPv4 address - * @param vrf_id local VRF ID - * @param addr_only 1 = 1:1NAT, 0 = 1:1NAPT - * @param identity_nat identity NAT - * @param tag opaque string tag - * @param is_add 1 = add, 0 = delete - * - * @return 0 on success, non-zero value otherwise +int nat44_ei_add_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, + u16 l_port, u16 e_port, nat_protocol_t proto, + u32 vrf_id, u32 sw_if_index, u32 flags, + ip4_address_t pool_addr, u8 *tag); - */ -int nat44_ei_add_del_static_mapping (ip4_address_t l_addr, - ip4_address_t e_addr, u16 l_port, - u16 e_port, nat_protocol_t proto, - u32 sw_if_index, u32 vrf_id, u8 addr_only, - u8 identity_nat, u8 *tag, u8 is_add); +int nat44_ei_del_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, + u16 l_port, u16 e_port, nat_protocol_t proto, + u32 vrf_id, u32 sw_if_index, u32 flags); /** * @brief Delete NAT44-EI session @@ -619,9 +611,6 @@ int nat44_ei_set_outside_address_and_port (nat44_ei_address_t *addresses, ip4_address_t addr, u16 port, nat_protocol_t protocol); -int nat44_ei_del_address (nat44_ei_main_t *nm, ip4_address_t addr, - u8 delete_sm); - void nat44_ei_free_session_data (nat44_ei_main_t *nm, nat44_ei_session_t *s, u32 thread_index, u8 is_ha); @@ -629,55 +618,56 @@ int nat44_ei_set_workers (uword *bitmap); void nat44_ei_add_del_address_dpo (ip4_address_t addr, u8 is_add); -int nat44_ei_add_address (nat44_ei_main_t *nm, ip4_address_t *addr, - u32 vrf_id); - void nat44_ei_delete_session (nat44_ei_main_t *nm, nat44_ei_session_t *ses, u32 thread_index); -int nat44_ei_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del); - -int nat44_ei_interface_add_del_output_feature (u32 sw_if_index, u8 is_inside, - int is_del); - -int nat44_ei_add_interface_address (nat44_ei_main_t *nm, u32 sw_if_index, - int is_del); - /* Call back functions for clib_bihash_add_or_overwrite_stale */ int nat44_i2o_is_idle_session_cb (clib_bihash_kv_8_8_t *kv, void *arg); int nat44_o2i_is_idle_session_cb (clib_bihash_kv_8_8_t *kv, void *arg); -int nat44_ei_hairpinning (vlib_main_t *vm, vlib_node_runtime_t *node, - nat44_ei_main_t *nm, u32 thread_index, - vlib_buffer_t *b0, ip4_header_t *ip0, - udp_header_t *udp0, tcp_header_t *tcp0, u32 proto0, - int do_trace, u32 *required_thread_index); +int nat44_ei_set_frame_queue_nelts (u32 frame_queue_nelts); -void nat44_ei_hairpinning_sm_unknown_proto (nat44_ei_main_t *nm, - vlib_buffer_t *b, - ip4_header_t *ip); +always_inline bool +nat44_ei_is_session_static (nat44_ei_session_t *s) +{ + return (s->flags & NAT44_EI_SESSION_FLAG_STATIC_MAPPING); +} -u32 nat44_ei_icmp_hairpinning (nat44_ei_main_t *nm, vlib_buffer_t *b0, - u32 thread_index, ip4_header_t *ip0, - icmp46_header_t *icmp0, - u32 *required_thread_index); +always_inline bool +nat44_ei_is_unk_proto_session (nat44_ei_session_t *s) +{ + return (s->flags & NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO); +} -int nat44_ei_set_frame_queue_nelts (u32 frame_queue_nelts); +always_inline bool +nat44_ei_interface_is_inside (nat44_ei_interface_t *i) +{ + return (i->flags & NAT44_EI_INTERFACE_FLAG_IS_INSIDE); +} + +always_inline bool +nat44_ei_interface_is_outside (nat44_ei_interface_t *i) +{ + return (i->flags & NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE); +} -#define nat44_ei_is_session_static(sp) \ - (sp->flags & NAT44_EI_SESSION_FLAG_STATIC_MAPPING) -#define nat44_ei_is_unk_proto_session(sp) \ - (sp->flags & NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO) +always_inline bool +is_sm_addr_only (u32 f) +{ + return (f & NAT44_EI_SM_FLAG_ADDR_ONLY); +} -#define nat44_ei_interface_is_inside(ip) \ - (ip->flags & NAT44_EI_INTERFACE_FLAG_IS_INSIDE) -#define nat44_ei_interface_is_outside(ip) \ - (ip->flags & NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE) +always_inline bool +is_sm_identity_nat (u32 f) +{ + return (f & NAT44_EI_SM_FLAG_IDENTITY_NAT); +} -#define nat44_ei_is_addr_only_static_mapping(mp) \ - (mp->flags & NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY) -#define nat44_ei_is_identity_static_mapping(mp) \ - (mp->flags & NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT) +always_inline bool +is_sm_switch_address (u32 f) +{ + return (f & NAT44_EI_SM_FLAG_SWITCH_ADDRESS); +} /* logging */ #define nat44_ei_log_err(...) \ |