* limitations under the License.
*/
/**
- * @file NAT plugin global declarations
+ * @file nat.c
+ * NAT plugin global declarations
*/
#ifndef __included_nat_h__
#define __included_nat_h__
u32 next_index;
} nat_pre_trace_t;
-/*
-STATIC_ASSERT (sizeof (nat_buffer_opaque_t) <=
- STRUCT_SIZE_OF (vnet_buffer_opaque_t, unused),
- "Custom meta-data too large for vnet_buffer_opaque_t");
-
-#define nat_buffer_opaque(b) \
- ((nat_buffer_opaque_t *)((u8 *)((b)->opaque) + \
- STRUCT_OFFSET_OF (vnet_buffer_opaque_t, unused)))*/
-
/* session key (4-tuple) */
typedef struct
{
/* real thread index */
u32 thread_index;
+ // per thread data structures
+ vlib_main_t *vlib_main;
+
} snat_main_per_thread_data_t;
struct snat_main_s;
u32 rx_fib_index,
u8 is_output);
-/* NAT address and port allacotaion function */
+/* NAT address and port allocation function */
typedef int (nat_alloc_out_addr_and_port_function_t) (snat_address_t *
addresses,
u32 fib_index,
/* vector of outside fibs */
nat_outside_fib_t *outside_fibs;
- /* Vector of twice NAT addresses for extenal hosts */
+ /* Vector of twice NAT addresses for external hosts */
snat_address_t *twice_nat_addresses;
/* sw_if_indices whose intfc addresses should be auto-added */
u8 deterministic;
u8 out2in_dpo;
u8 endpoint_dependent;
+
u32 translation_buckets;
uword translation_memory_size;
u32 max_translations;
+ u32 *max_translations_per_fib;
+
u32 user_buckets;
uword user_memory_size;
u32 max_translations_per_user;
+
u32 outside_vrf_id;
u32 outside_fib_index;
u32 inside_vrf_id;
u8 log_level;
/* convenience */
- vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
ip4_main_t *ip4_main;
ip_lookup_main_t *ip4_lookup_main;
/* format functions */
format_function_t format_snat_user;
-format_function_t format_snat_user_v2;
format_function_t format_snat_static_mapping;
format_function_t format_snat_static_map_to_resolve;
format_function_t format_snat_session;
#define is_affinity_sessions(s) (s->flags & SNAT_SESSION_FLAG_AFFINITY)
/** \brief Check if NAT interface is inside.
- @param i NAT interfce
+ @param i NAT interface
@return 1 if inside interface
*/
#define nat_interface_is_inside(i) i->flags & NAT_INTERFACE_FLAG_IS_INSIDE
/** \brief Check if NAT interface is outside.
- @param i NAT interfce
+ @param i NAT interface
@return 1 if outside interface
*/
#define nat_interface_is_outside(i) i->flags & NAT_INTERFACE_FLAG_IS_OUTSIDE
#undef _
} nat_log_level_t;
-#define nat_elog(_level, _str) \
-do \
- { \
- snat_main_t *sm = &snat_main; \
- if (PREDICT_FALSE (sm->log_level >= _level)) \
- { \
- ELOG_TYPE_DECLARE (e) = \
- { \
- .format = "nat-msg " _str, \
- .format_args = "", \
- }; \
- ELOG_DATA (&sm->vlib_main->elog_main, e); \
- } \
+#define nat_elog(_level, _str) \
+do \
+ { \
+ snat_main_t *sm = &snat_main; \
+ if (PREDICT_FALSE (sm->log_level >= _level)) \
+ { \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "nat-msg " _str, \
+ .format_args = "", \
+ }; \
+ ELOG_DATA (&vlib_global_main.elog_main, e); \
+ } \
} while (0);
#define nat_elog_addr(_level, _str, _addr) \
} \
} while (0);
-#define nat_elog_X1(_level, _fmt, _arg, _val1) \
-do \
- { \
- snat_main_t *sm = &snat_main; \
- if (PREDICT_FALSE (sm->log_level >= _level)) \
- { \
- ELOG_TYPE_DECLARE (e) = \
- { \
- .format = "nat-msg " _fmt, \
- .format_args = _arg, \
- }; \
- CLIB_PACKED(struct \
- { \
- typeof (_val1) val1; \
- }) *ed; \
- ed = ELOG_DATA (&sm->vlib_main->elog_main, e); \
- ed->val1 = _val1; \
- } \
+#define nat_elog_X1(_level, _fmt, _arg, _val1) \
+do \
+ { \
+ snat_main_t *sm = &snat_main; \
+ if (PREDICT_FALSE (sm->log_level >= _level)) \
+ { \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "nat-msg " _fmt, \
+ .format_args = _arg, \
+ }; \
+ CLIB_PACKED(struct \
+ { \
+ typeof (_val1) val1; \
+ }) *ed; \
+ ed = ELOG_DATA (&vlib_global_main.elog_main, e); \
+ ed->val1 = _val1; \
+ } \
} while (0);
#define nat_elog_notice(nat_elog_str) \
/**
* @brief Add external address to NAT44 pool
*
+ * @param sm snat global configuration data
* @param addr IPv4 address
* @param vrf_id VRF id of tenant, ~0 means independent of VRF
* @param twice_nat 1 if twice NAT address
/**
* @brief Delete external address from NAT44 pool
*
+ * @param sm snat global configuration data
* @param addr IPv4 address
* @param delete_sm 1 if delete static mapping using address
* @param twice_nat 1 if twice NAT address
int is_del);
/**
- * @brief Add/delete NAT44 pool address from specific interfce
+ * @brief Add/delete NAT44 pool address from specific interface
*
* @param sw_if_index software index of the interface
* @param is_del 1 = delete, 0 = add
- * @param twice_nat 1 = twice NAT address for extenal hosts
+ * @param twice_nat 1 = twice NAT address for external hosts
*
* @return 0 on success, non-zero value otherwise
*/
/**
* @brief Delete NAT44 endpoint-dependent session
*
+ * @param sm snat global configuration data
* @param addr IPv4 address
* @param port L4 port number
* @param proto L4 protocol
u32 vrf_id, int is_in);
/**
- * @brief Free NAT44 session data (lookup keys, external addrres port)
+ * @brief Free NAT44 session data (lookup keys, external address port)
*
+ * @param sm snat global configuration data
* @param s NAT session
* @param thread_index thread index
* @param is_ha is HA event
void nat_free_session_data (snat_main_t * sm, snat_session_t * s,
u32 thread_index, u8 is_ha);
+/**
+<<<<<<< bdfe5955f59a735fd8d70e9026f8c1867a4c8cc6
+ * @brief Set NAT44 session limit (session limit, vrf id)
+ *
+ * @param session_limit Session limit
+ * @param vrf_id VRF id
+ * @return 0 on success, non-zero value otherwise
+ */
+int nat44_set_session_limit (u32 session_limit, u32 vrf_id);
+
/**
* @brief Free NAT44 ED session data (lookup keys, external addrres port)
+=======
+ * @brief Free NAT44 ED session data (lookup keys, external address port)
+>>>>>>> docs: clean up make docs job
*
* @param s NAT session
* @param thread_index thread index
void
nat44_free_session_data (snat_main_t * sm, snat_session_t * s,
u32 thread_index, u8 is_ha);
+
+/**
+ * @brief Initialize NAT44 data
+ *
+ * @param tsm per thread data
+ */
+void nat44_db_init (snat_main_per_thread_data_t * tsm);
+
+/**
+ * @brief Free NAT44 data
+ *
+ * @param tsm per thread data
+ */
+void nat44_db_free (snat_main_per_thread_data_t * tsm);
+
/**
* @brief Find or create NAT user
*
+ * @param sm snat global configuration data
* @param addr IPv4 address
* @param fib_index FIB table index
* @param thread_index thread index
/**
* @brief Allocate new NAT session or recycle last used
*
+ * @param sm snat global configuration data
* @param u NAT user
* @param thread_index thread index
+ * @param now time now
*
* @return session data structure on success otherwise zero value
*/
/**
* @brief Allocate NAT endpoint-dependent session
*
+ * @param sm snat global configuration data
* @param thread_index thread index
+ * @param now time now
*
* @return session data structure on success otherwise zero value
*/
* @param fib_index FIB table index
* @param thread_index thread index
* @param k allocated address and port pair
- * @param port_per_thread number of ports per threead
+ * @param port_per_thread number of ports per thread
* @param snat_thread_index NAT thread index
*
* @return 0 on success, non-zero value otherwise
Code Review / vpp.git / blobdiff