diff options
Diffstat (limited to 'src/plugins/nat/nat.h')
| -rw-r--r-- | src/plugins/nat/nat.h | 86 |
1 files changed, 77 insertions, 9 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index 123bea57a81..2d16507df7a 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -48,6 +48,44 @@ /* NAT buffer flags */ #define SNAT_FLAG_HAIRPINNING (1 << 0) +/* NAT44 API Configuration flags */ +#define foreach_nat44_config_flag \ + _(0x00, IS_ENDPOINT_INDEPENDENT) \ + _(0x01, IS_ENDPOINT_DEPENDENT) \ + _(0x02, IS_STATIC_MAPPING_ONLY) \ + _(0x04, IS_CONNECTION_TRACKING) \ + _(0x08, IS_OUT2IN_DPO) + +typedef enum nat44_config_flags_t_ +{ +#define _(n,f) NAT44_API_##f = n, + foreach_nat44_config_flag +#undef _ +} nat44_config_flags_t; + +typedef struct +{ + /* nat44 plugin features */ + u8 static_mapping_only; + u8 connection_tracking; + u8 endpoint_dependent; + u8 out2in_dpo; + + u32 inside_vrf; + u32 outside_vrf; + + /* maximum number of users */ + u32 users; + u32 user_memory; + + /* maximum number of sessions */ + u32 sessions; + u32 session_memory; + + /* maximum number of ssessions per user */ + u32 user_sessions; +} nat44_config_t; + typedef enum { NAT_NEXT_DROP, @@ -551,16 +589,24 @@ typedef struct snat_main_s u32 pre_out2in_node_index; u32 pre_in2out_node_index; + u32 out2in_node_index; u32 in2out_node_index; u32 in2out_output_node_index; + u32 in2out_fast_node_index; u32 in2out_slowpath_node_index; u32 in2out_slowpath_output_node_index; - u32 ed_in2out_node_index; - u32 ed_in2out_slowpath_node_index; - u32 out2in_node_index; u32 out2in_fast_node_index; + + u32 ei_out2in_node_index; + u32 ei_in2out_node_index; + u32 ei_in2out_output_node_index; + u32 ed_out2in_node_index; + u32 ed_in2out_node_index; + u32 ed_in2out_output_node_index; + + u32 ed_in2out_slowpath_node_index; u32 ed_out2in_slowpath_node_index; u32 hairpinning_node_index; @@ -574,10 +620,12 @@ typedef struct snat_main_s u8 forwarding_enabled; /* Config parameters */ + u8 endpoint_dependent; + + u8 out2in_dpo; + /* static mapping config */ u8 static_mapping_only; u8 static_mapping_connection_tracking; - u8 out2in_dpo; - u8 endpoint_dependent; /* Is translation memory size calculated or user defined */ u8 translation_memory_size_set; @@ -597,7 +645,6 @@ typedef struct snat_main_s u32 inside_fib_index; /* values of various timeouts */ - // proto timeouts u32 udp_timeout; u32 tcp_transitory_timeout; u32 tcp_established_timeout; @@ -606,7 +653,7 @@ typedef struct snat_main_s /* TCP MSS clamping */ u16 mss_clamping; - /* counters/gauges */ + /* counters */ vlib_simple_counter_main_t total_users; vlib_simple_counter_main_t total_sessions; vlib_simple_counter_main_t user_limit_reached; @@ -673,10 +720,14 @@ typedef struct snat_main_s u8 log_level; /* convenience */ - vnet_main_t *vnet_main; + api_main_t *api_main; ip4_main_t *ip4_main; ip_lookup_main_t *ip4_lookup_main; - api_main_t *api_main; + + /* nat44 plugin enabled */ + u8 enabled; + + vnet_main_t *vnet_main; } snat_main_t; typedef struct @@ -1087,6 +1138,23 @@ int nat44_o2i_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg); 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); + +/** + * @brief Enable NAT44 plugin + * + * @param c nat44_config_t + * + * @return 0 on success, non-zero value otherwise + */ +int nat44_plugin_enable (nat44_config_t c); + +/** + * @brief Disable NAT44 plugin + * + * @return 0 on success, non-zero value otherwise + */ +int nat44_plugin_disable (); + /** * @brief Add external address to NAT44 pool * |