diff options
Diffstat (limited to 'src/plugins/nat/nat44-ed/nat44_ed.h')
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed.h | 136 |
1 files changed, 35 insertions, 101 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed.h b/src/plugins/nat/nat44-ed/nat44_ed.h index 0706785514b..e2047fe12ac 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed.h +++ b/src/plugins/nat/nat44-ed/nat44_ed.h @@ -12,10 +12,7 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -/** - * @file nat.c - * NAT plugin global declarations - */ + #ifndef __included_nat44_ed_h__ #define __included_nat44_ed_h__ @@ -65,10 +62,7 @@ typedef struct { u32 inside_vrf; u32 outside_vrf; - - /* maximum number of sessions */ u32 sessions; - } nat44_config_t; typedef enum @@ -92,19 +86,6 @@ typedef struct u32 arc_next_index; } nat_pre_trace_t; -/* External address and port allocation modes */ -#define foreach_nat_addr_and_port_alloc_alg \ - _(0, DEFAULT, "default") \ - _(1, MAPE, "map-e") \ - _(2, RANGE, "port-range") - -typedef enum -{ -#define _(v, N, s) NAT_ADDR_AND_PORT_ALLOC_ALG_##N = v, - foreach_nat_addr_and_port_alloc_alg -#undef _ -} nat_addr_and_port_alloc_alg_t; - #define foreach_nat_in2out_ed_error \ _ (UNSUPPORTED_PROTOCOL, "unsupported protocol") \ _ (OUT_OF_PORTS, "out of ports") \ @@ -176,6 +157,13 @@ typedef enum NAT44_ED_TCP_N_STATE, } nat44_ed_tcp_state_e; +format_function_t format_ed_session_kvp; +format_function_t format_snat_session; +format_function_t format_snat_static_mapping; +format_function_t format_snat_static_map_to_resolve; +format_function_t format_nat_ed_translation_error; +format_function_t format_nat_6t_flow; +format_function_t format_nat_6t; format_function_t format_nat44_ed_tcp_state; /* Session flags */ @@ -551,18 +539,6 @@ typedef struct snat_main_s /* first interface address should be auto-added */ snat_address_resolve_t *addr_to_resolve; - /* Address and port allocation function */ - nat_alloc_out_addr_and_port_function_t *alloc_addr_and_port; - /* Address and port allocation type */ - nat_addr_and_port_alloc_alg_t addr_and_port_alloc_alg; - /* Port set parameters (MAP-E) */ - u8 psid_offset; - u8 psid_length; - u16 psid; - /* Port range parameters */ - u16 start_port; - u16 end_port; - /* vector of fibs */ nat_fib_t *fibs; @@ -583,12 +559,7 @@ typedef struct snat_main_s u32 fq_in2out_output_index; u32 fq_out2in_index; - u32 out2in_node_index; - u32 in2out_node_index; - u32 in2out_output_node_index; - nat44_config_t rconfig; - //nat44_config_t cconfig; /* If forwarding is enabled */ u8 forwarding_enabled; @@ -657,9 +628,7 @@ typedef struct snat_main_s u8 log_level; /* convenience */ - api_main_t *api_main; ip4_main_t *ip4_main; - ip_lookup_main_t *ip4_lookup_main; fib_source_t fib_src_hi; fib_source_t fib_src_low; @@ -696,32 +665,25 @@ typedef struct uword *cached_presence_by_ip4_address; } snat_runtime_t; +/* + * Why is this here? Because we don't need to touch this layer to + * simply reply to an icmp. We need to change id to a unique + * value to NAT an echo request/reply. + */ + extern snat_main_t snat_main; -// nat pre ed next_node feature classification extern vlib_node_registration_t nat_default_node; extern vlib_node_registration_t nat_pre_in2out_node; extern vlib_node_registration_t nat_pre_out2in_node; -extern vlib_node_registration_t snat_in2out_node; -extern vlib_node_registration_t snat_in2out_output_node; -extern vlib_node_registration_t snat_out2in_node; -extern vlib_node_registration_t snat_in2out_worker_handoff_node; -extern vlib_node_registration_t snat_in2out_output_worker_handoff_node; -extern vlib_node_registration_t snat_out2in_worker_handoff_node; extern vlib_node_registration_t nat44_ed_in2out_node; extern vlib_node_registration_t nat44_ed_in2out_output_node; extern vlib_node_registration_t nat44_ed_out2in_node; -extern fib_source_t nat_fib_src_hi; -extern fib_source_t nat_fib_src_low; - -/* format functions */ -format_function_t format_snat_static_mapping; -format_function_t format_snat_static_map_to_resolve; -format_function_t format_snat_session; -format_function_t format_static_mapping_key; -format_function_t format_nat_addr_and_port_alloc_alg; +extern vlib_node_registration_t snat_in2out_worker_handoff_node; +extern vlib_node_registration_t snat_in2out_output_worker_handoff_node; +extern vlib_node_registration_t snat_out2in_worker_handoff_node; /** \brief Check if SNAT session is created from static mapping. @param s SNAT session @@ -861,13 +823,10 @@ is_sm_switch_address (u32 f) return (f & NAT_SM_FLAG_SWITCH_ADDRESS); } -/* logging */ #define nat_log_err(...) \ vlib_log(VLIB_LOG_LEVEL_ERR, snat_main.log_class, __VA_ARGS__) #define nat_log_warn(...) \ vlib_log(VLIB_LOG_LEVEL_WARNING, snat_main.log_class, __VA_ARGS__) -#define nat_log_notice(...) \ - vlib_log(VLIB_LOG_LEVEL_NOTICE, snat_main.log_class, __VA_ARGS__) #define nat_log_info(...) \ vlib_log(VLIB_LOG_LEVEL_INFO, snat_main.log_class, __VA_ARGS__) #define nat_log_debug(...)\ @@ -977,29 +936,8 @@ int snat_static_mapping_match ( lb_nat_type_t *lb, ip4_address_t *ext_host_addr, u8 *is_identity_nat, snat_static_mapping_t **out); -/* - * Why is this here? Because we don't need to touch this layer to - * simply reply to an icmp. We need to change id to a unique - * value to NAT an echo request/reply. - */ - -typedef struct -{ - u16 identifier; - u16 sequence; -} icmp_echo_header_t; - -typedef struct -{ - u16 src_port, dst_port; -} tcp_udp_header_t; - u32 get_thread_idx_by_port (u16 e_port); -u8 *format_static_mapping_kvp (u8 *s, va_list *args); - -u8 *format_session_kvp (u8 *s, va_list *args); - u32 nat_calc_bihash_buckets (u32 n_elts); void nat44_addresses_free (snat_address_t **addresses); @@ -1008,30 +946,8 @@ void nat44_ed_sessions_clear (); int nat44_ed_set_frame_queue_nelts (u32 frame_queue_nelts); -typedef enum -{ - NAT_ED_TRNSL_ERR_SUCCESS = 0, - NAT_ED_TRNSL_ERR_TRANSLATION_FAILED = 1, - NAT_ED_TRNSL_ERR_FLOW_MISMATCH = 2, - NAT_ED_TRNSL_ERR_PACKET_TRUNCATED = 3, - NAT_ED_TRNSL_ERR_INNER_IP_CORRUPT = 4, - NAT_ED_TRNSL_ERR_INVALID_CSUM = 5, -} nat_translation_error_e; - -nat_translation_error_e nat_6t_flow_buf_translate_i2o ( - vlib_main_t *vm, snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, - nat_6t_flow_t *f, ip_protocol_t proto, int is_output_feature); - -nat_translation_error_e nat_6t_flow_buf_translate_o2i ( - vlib_main_t *vm, snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, - nat_6t_flow_t *f, ip_protocol_t proto, int is_output_feature); - void nat_6t_l3_l4_csum_calc (nat_6t_flow_t *f); -format_function_t format_nat_ed_translation_error; -format_function_t format_nat_6t_flow; -format_function_t format_ed_session_kvp; - snat_static_mapping_t *nat44_ed_sm_i2o_lookup (snat_main_t *sm, ip4_address_t addr, u16 port, u32 fib_index, u8 proto); @@ -1052,6 +968,24 @@ void nat_syslog_nat44_sdel (u32 ssubix, u32 sfibix, ip4_address_t *isaddr, ip4_address_t *xdaddr, u16 xdport, u8 proto, u8 is_twicenat); +typedef enum +{ + NAT_ED_TRNSL_ERR_SUCCESS = 0, + NAT_ED_TRNSL_ERR_TRANSLATION_FAILED = 1, + NAT_ED_TRNSL_ERR_FLOW_MISMATCH = 2, + NAT_ED_TRNSL_ERR_PACKET_TRUNCATED = 3, + NAT_ED_TRNSL_ERR_INNER_IP_CORRUPT = 4, + NAT_ED_TRNSL_ERR_INVALID_CSUM = 5, +} nat_translation_error_e; + +nat_translation_error_e nat_6t_flow_buf_translate_i2o ( + vlib_main_t *vm, snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, + nat_6t_flow_t *f, ip_protocol_t proto, int is_output_feature); + +nat_translation_error_e nat_6t_flow_buf_translate_o2i ( + vlib_main_t *vm, snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, + nat_6t_flow_t *f, ip_protocol_t proto, int is_output_feature); + #endif /* __included_nat44_ed_h__ */ /* * fd.io coding-style-patch-verification: ON |