NAT44: run NAT nodes after ACL (VPP-1160)
[vpp.git] / src / plugins / nat / nat.c
index 38caae4..959abd7 100644 (file)
@@ -24,6 +24,7 @@
 #include <nat/nat_ipfix_logging.h>
 #include <nat/nat_det.h>
 #include <nat/nat64.h>
+#include <nat/nat66.h>
 #include <nat/dslite.h>
 #include <nat/nat_reass.h>
 #include <vnet/fib/fib_table.h>
@@ -38,79 +39,79 @@ snat_main_t snat_main;
 VNET_FEATURE_INIT (ip4_snat_in2out, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-in2out",
-  .runs_before = VNET_FEATURES ("nat44-out2in"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_out2in, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-out2in",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_nat_classify, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-classify",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_det_in2out, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-det-in2out",
-  .runs_before = VNET_FEATURES ("nat44-det-out2in"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_det_out2in, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-det-out2in",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_nat_det_classify, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-det-classify",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_in2out_worker_handoff, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-in2out-worker-handoff",
-  .runs_before = VNET_FEATURES ("nat44-out2in-worker-handoff"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_out2in_worker_handoff, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-out2in-worker-handoff",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_nat_handoff_classify, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-handoff-classify",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_in2out_fast, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-in2out-fast",
-  .runs_before = VNET_FEATURES ("nat44-out2in-fast"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_out2in_fast, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-out2in-fast",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_hairpin_dst, static) = {
   .arc_name = "ip4-unicast",
   .node_name = "nat44-hairpin-dst",
-  .runs_before = VNET_FEATURES ("ip4-lookup"),
+  .runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
 };
 
 /* Hook up output features */
 VNET_FEATURE_INIT (ip4_snat_in2out_output, static) = {
   .arc_name = "ip4-output",
   .node_name = "nat44-in2out-output",
-  .runs_before = VNET_FEATURES ("interface-output"),
+  .runs_after = VNET_FEATURES ("acl-plugin-out-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_in2out_output_worker_handoff, static) = {
   .arc_name = "ip4-output",
   .node_name = "nat44-in2out-output-worker-handoff",
-  .runs_before = VNET_FEATURES ("interface-output"),
+  .runs_after = VNET_FEATURES ("acl-plugin-out-ip4-fa"),
 };
 VNET_FEATURE_INIT (ip4_snat_hairpin_src, static) = {
   .arc_name = "ip4-output",
   .node_name = "nat44-hairpin-src",
-  .runs_before = VNET_FEATURES ("interface-output"),
+  .runs_after = VNET_FEATURES ("acl-plugin-out-ip4-fa"),
 };
 
 /* Hook up ip4-local features */
@@ -774,7 +775,7 @@ int snat_add_static_mapping(ip4_address_t l_addr, ip4_address_t e_addr,
                 }
             }
           /* External address must be allocated */
-          if (!a)
+          if (!a && (l_addr.as_u32 != e_addr.as_u32))
             return VNET_API_ERROR_NO_SUCH_ENTRY;
         }
 
@@ -1779,6 +1780,8 @@ static clib_error_t * snat_init (vlib_main_t * vm)
 
   dslite_init(vm);
 
+  nat66_init();
+
   /* Init virtual fragmenentation reassembly */
   return nat_reass_init(vm);
 }