NAT: DS-Lite (VPP-1040)

[vpp.git] / src / plugins / nat / nat_api.c

diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index b56b443..0ffa2f0 100644 (file)
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -21,9 +21,10 @@
 #include <nat/nat.h>
 #include <nat/nat_det.h>
 #include <nat/nat64.h>
+#include <nat/dslite.h>
 #include <vlibapi/api.h>
 #include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
+
 #include <nat/nat_msg_enum.h>
 #include <vnet/fib/fib_table.h>
 
@@ -224,7 +225,7 @@ static void
   memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_SNAT_INTERFACE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
-  rmp->is_inside = i->is_inside;
+  rmp->is_inside = nat_interface_is_inside (i);
   rmp->context = context;
 
   vl_msg_api_send_shmem (q, (u8 *) & rmp);
@@ -306,7 +307,7 @@ send_snat_interface_output_feature_details (snat_interface_t * i,
     ntohs (VL_API_SNAT_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
   rmp->context = context;
-  rmp->is_inside = i->is_inside;
+  rmp->is_inside = nat_interface_is_inside (i);
 
   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 }
@@ -1658,7 +1659,9 @@ send_nat44_interface_details (snat_interface_t * i,
   memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
-  rmp->is_inside = i->is_inside;
+  rmp->is_inside = (nat_interface_is_inside (i)
+                   && nat_interface_is_outside (i)) ? 2 :
+    nat_interface_is_inside (i);
   rmp->context = context;
 
   vl_msg_api_send_shmem (q, (u8 *) & rmp);
@@ -1741,7 +1744,7 @@ send_nat44_interface_output_feature_details (snat_interface_t * i,
     ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
   rmp->context = context;
-  rmp->is_inside = i->is_inside;
+  rmp->is_inside = nat_interface_is_inside (i);
 
   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 }
@@ -2275,6 +2278,42 @@ static void *vl_api_nat44_lb_static_mapping_dump_t_print
   FINISH;
 }
 
+static void
+vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
+{
+  snat_main_t *sm = &snat_main;
+  vl_api_nat44_del_session_reply_t *rmp;
+  ip4_address_t addr;
+  u16 port;
+  u32 vrf_id;
+  int rv = 0;
+  snat_protocol_t proto;
+
+  memcpy (&addr.as_u8, mp->address, 4);
+  port = clib_net_to_host_u16 (mp->port);
+  vrf_id = clib_net_to_host_u32 (mp->vrf_id);
+  proto = ip_proto_to_snat_proto (mp->protocol);
+
+  rv = nat44_del_session (sm, &addr, port, proto, vrf_id, mp->is_in);
+
+  REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
+}
+
+static void *
+vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
+                                 void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
+  s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
+             format_ip4_address, mp->address,
+             clib_net_to_host_u16 (mp->port),
+             mp->protocol, clib_net_to_host_u32 (mp->vrf_id), mp->is_in);
+
+  FINISH;
+}
+
 /*******************************/
 /*** Deterministic NAT (CGN) ***/
 /*******************************/
@@ -2867,7 +2906,9 @@ nat64_api_interface_walk (snat_interface_t * i, void *arg)
   memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
-  rmp->is_inside = i->is_inside;
+  rmp->is_inside = (nat_interface_is_inside (i)
+                   && nat_interface_is_outside (i)) ? 2 :
+    nat_interface_is_inside (i);
   rmp->context = ctx->context;
 
   vl_msg_api_send_shmem (ctx->q, (u8 *) & rmp);
@@ -3249,6 +3290,87 @@ vl_api_nat64_prefix_dump_t_print (vl_api_nat64_prefix_dump_t * mp,
   FINISH;
 }
 
+/***************/
+/*** DS-Lite ***/
+/***************/
+
+static void
+vl_api_dslite_set_aftr_addr_t_handler (vl_api_dslite_set_aftr_addr_t * mp)
+{
+  vl_api_dslite_set_aftr_addr_reply_t *rmp;
+  snat_main_t *sm = &snat_main;
+  dslite_main_t *dm = &dslite_main;
+  int rv = 0;
+  ip6_address_t ip6_addr;
+
+  memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
+
+  rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr);
+
+  REPLY_MACRO (VL_API_DSLITE_SET_AFTR_ADDR_REPLY);
+}
+
+static void *
+vl_api_dslite_set_aftr_addr_t_print (vl_api_dslite_set_aftr_addr_t * mp,
+                                    void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: dslite_set_aftr_addr ");
+  s = format (s, "ip6_addr %U ip4_addr %U\n",
+             format_ip6_address, mp->ip6_addr,
+             format_ip4_address, mp->ip4_addr);
+
+  FINISH;
+}
+
+static void
+  vl_api_dslite_add_del_pool_addr_range_t_handler
+  (vl_api_dslite_add_del_pool_addr_range_t * mp)
+{
+  vl_api_dslite_add_del_pool_addr_range_reply_t *rmp;
+  snat_main_t *sm = &snat_main;
+  dslite_main_t *dm = &dslite_main;
+  int rv = 0;
+  ip4_address_t this_addr;
+  u32 start_host_order, end_host_order;
+  int i, count;
+  u32 *tmp;
+
+  tmp = (u32 *) mp->start_addr;
+  start_host_order = clib_host_to_net_u32 (tmp[0]);
+  tmp = (u32 *) mp->end_addr;
+  end_host_order = clib_host_to_net_u32 (tmp[0]);
+
+  count = (end_host_order - start_host_order) + 1;
+  memcpy (&this_addr.as_u8, mp->start_addr, 4);
+
+  for (i = 0; i < count; i++)
+    {
+      if ((rv = dslite_add_del_pool_addr (dm, &this_addr, mp->is_add)))
+       goto send_reply;
+
+      increment_v4_address (&this_addr);
+    }
+
+send_reply:
+  REPLY_MACRO (VL_API_DSLITE_ADD_DEL_POOL_ADDR_RANGE_REPLY);
+}
+
+static void *vl_api_dslite_add_del_pool_addr_range_t_print
+  (vl_api_dslite_add_del_pool_addr_range_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: dslite_add_del_pool_addr_range ");
+  s = format (s, "%U - %U\n",
+             format_ip4_address, mp->start_addr,
+             format_ip4_address, mp->end_addr);
+
+  FINISH;
+}
+
+
 /* List of message types that this plugin understands */
 #define foreach_snat_plugin_api_msg                                     \
 _(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range)                       \
@@ -3300,6 +3422,7 @@ _(NAT44_INTERFACE_OUTPUT_FEATURE_DUMP,                                  \
   nat44_interface_output_feature_dump)                                  \
 _(NAT44_ADD_DEL_LB_STATIC_MAPPING, nat44_add_del_lb_static_mapping)     \
 _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump)           \
+_(NAT44_DEL_SESSION, nat44_del_session)                                 \
 _(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map)                             \
 _(NAT_DET_FORWARD, nat_det_forward)                                     \
 _(NAT_DET_REVERSE, nat_det_reverse)                                     \
@@ -3319,7 +3442,9 @@ _(NAT64_SET_TIMEOUTS, nat64_set_timeouts)                               \
 _(NAT64_GET_TIMEOUTS, nat64_get_timeouts)                               \
 _(NAT64_ST_DUMP, nat64_st_dump)                                         \
 _(NAT64_ADD_DEL_PREFIX, nat64_add_del_prefix)                           \
-_(NAT64_PREFIX_DUMP, nat64_prefix_dump)
+_(NAT64_PREFIX_DUMP, nat64_prefix_dump)                                 \
+_(DSLITE_ADD_DEL_POOL_ADDR_RANGE, dslite_add_del_pool_addr_range)       \
+_(DSLITE_SET_AFTR_ADDR, dslite_set_aftr_addr)
 
 /* Set up the API message handling tables */
 static clib_error_t *