* 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__
{
u32 inside_vrf;
u32 outside_vrf;
-
- /* maximum number of sessions */
u32 sessions;
-
} nat44_config_t;
typedef enum
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") \
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 */
/* 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;
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;
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;
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
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(...)\
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);
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);
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
Code Review / vpp.git / blobdiff