nat: use SVR

[vpp.git] / src / plugins / nat / nat.h

diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index b65ad1b..d3fa3ee 100644 (file)
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -23,6 +23,7 @@
 #include <vnet/ethernet/ethernet.h>
 #include <vnet/ip/icmp46_packet.h>
 #include <vnet/api_errno.h>
+#include <vnet/fib/fib_source.h>
 #include <vppinfra/elog.h>
 #include <vppinfra/bihash_8_8.h>
 #include <vppinfra/bihash_16_8.h>
@@ -57,11 +58,8 @@ typedef enum
   NAT_NEXT_IN2OUT_ED_FAST_PATH,
   NAT_NEXT_IN2OUT_ED_SLOW_PATH,
   NAT_NEXT_IN2OUT_ED_OUTPUT_SLOW_PATH,
-  NAT_NEXT_IN2OUT_ED_REASS,
-  NAT_NEXT_IN2OUT_ED_OUTPUT_REASS,
   NAT_NEXT_OUT2IN_ED_FAST_PATH,
   NAT_NEXT_OUT2IN_ED_SLOW_PATH,
-  NAT_NEXT_OUT2IN_ED_REASS,
   NAT_N_NEXT,
 } nat_next_t;
 
@@ -533,8 +531,14 @@ typedef u32 (snat_icmp_match_function_t) (struct snat_main_s * sm,
                                          void *e);
 
 /* Return worker thread index for given packet */
-typedef u32 (snat_get_worker_function_t) (ip4_header_t * ip,
-                                         u32 rx_fib_index, u8 is_output);
+typedef u32 (snat_get_worker_in2out_function_t) (ip4_header_t * ip,
+                                                u32 rx_fib_index,
+                                                u8 is_output);
+
+typedef u32 (snat_get_worker_out2in_function_t) (vlib_buffer_t * b,
+                                                ip4_header_t * ip,
+                                                u32 rx_fib_index,
+                                                u8 is_output);
 
 /* NAT address and port allacotaion function */
 typedef int (nat_alloc_out_addr_and_port_function_t) (snat_address_t *
@@ -555,8 +559,8 @@ typedef struct snat_main_s
   u32 num_workers;
   u32 first_worker_index;
   u32 *workers;
-  snat_get_worker_function_t *worker_in2out_cb;
-  snat_get_worker_function_t *worker_out2in_cb;
+  snat_get_worker_in2out_function_t *worker_in2out_cb;
+  snat_get_worker_out2in_function_t *worker_out2in_cb;
   u16 port_per_thread;
   u32 num_snat_thread;
 
@@ -628,16 +632,12 @@ typedef struct snat_main_s
   u32 in2out_fast_node_index;
   u32 in2out_slowpath_node_index;
   u32 in2out_slowpath_output_node_index;
-  u32 in2out_reass_node_index;
   u32 ed_in2out_node_index;
   u32 ed_in2out_slowpath_node_index;
-  u32 ed_in2out_reass_node_index;
   u32 out2in_node_index;
   u32 out2in_fast_node_index;
-  u32 out2in_reass_node_index;
   u32 ed_out2in_node_index;
   u32 ed_out2in_slowpath_node_index;
-  u32 ed_out2in_reass_node_index;
   u32 det_in2out_node_index;
   u32 det_out2in_node_index;
 
@@ -674,9 +674,9 @@ typedef struct snat_main_s
 
   /* values of various timeouts */
   u32 udp_timeout;
-  u32 tcp_established_timeout;
-  u32 tcp_transitory_timeout;
   u32 icmp_timeout;
+  u32 tcp_transitory_timeout;
+  u32 tcp_established_timeout;
 
   /* TCP MSS clamping */
   u16 mss_clamping;
@@ -742,6 +742,9 @@ extern vlib_node_registration_t nat44_ed_in2out_worker_handoff_node;
 extern vlib_node_registration_t nat44_ed_in2out_output_worker_handoff_node;
 extern vlib_node_registration_t nat44_ed_out2in_worker_handoff_node;
 
+extern fib_source_t nat_fib_src_hi;
+extern fib_source_t nat_fib_src_low;
+
 /* format functions */
 format_function_t format_snat_user;
 format_function_t format_snat_static_mapping;
@@ -752,7 +755,6 @@ format_function_t format_snat_key;
 format_function_t format_static_mapping_key;
 format_function_t format_snat_protocol;
 format_function_t format_nat_addr_and_port_alloc_alg;
-format_function_t format_nat44_reass_trace;
 /* unformat functions */
 unformat_function_t unformat_snat_protocol;
 
@@ -844,7 +846,11 @@ unformat_function_t unformat_snat_protocol;
     @param t TCP header
     @return 1 if client initiating TCP connection
 */
-#define tcp_is_init(t) ((t->flags & TCP_FLAG_SYN) && !(t->flags & TCP_FLAG_ACK))
+always_inline bool
+tcp_flags_is_init (u8 f)
+{
+  return (f & TCP_FLAG_SYN) && !(f & TCP_FLAG_ACK);
+}
 
 /* logging */
 #define nat_log_err(...) \