IPv4/6 reassembly

[vpp.git] / src / vnet / ip / ip_api.c

diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
index f4db43c..60fa2fa 100644 (file)
--- a/src/vnet/ip/ip_api.c
+++ b/src/vnet/ip/ip_api.c
@@ -42,6 +42,8 @@
 #include <vnet/fib/ip4_fib.h>
 #include <vnet/fib/ip6_fib.h>
 #include <vnet/ip/ip6_hop_by_hop.h>
+#include <vnet/ip/ip4_reassembly.h>
+#include <vnet/ip/ip6_reassembly.h>
 
 #include <vnet/vnet_msg_enum.h>
 
@@ -97,7 +99,9 @@ _(IOAM_DISABLE, ioam_disable)                                           \
 _(IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL,                               \
   ip_source_and_port_range_check_add_del)                               \
 _(IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL,                     \
-  ip_source_and_port_range_check_interface_add_del)
+  ip_source_and_port_range_check_interface_add_del)                     \
+_(IP_REASSEMBLY_SET, ip_reassembly_set)                                 \
+_(IP_REASSEMBLY_GET, ip_reassembly_get)
 
 extern void stats_dslock_with_hint (int hint, int tag);
 extern void stats_dsunlock (void);
@@ -273,14 +277,14 @@ typedef struct vl_api_ip_fib_dump_walk_ctx_t_
   fib_node_index_t *feis;
 } vl_api_ip_fib_dump_walk_ctx_t;
 
-static int
+static fib_table_walk_rc_t
 vl_api_ip_fib_dump_walk (fib_node_index_t fei, void *arg)
 {
   vl_api_ip_fib_dump_walk_ctx_t *ctx = arg;
 
   vec_add1 (ctx->feis, fei);
 
-  return (1);
+  return (FIB_TABLE_WALK_CONTINUE);
 }
 
 static void
@@ -1022,23 +1026,11 @@ add_del_route_check (fib_protocol_t table_proto,
 {
   vnet_main_t *vnm = vnet_get_main ();
 
-  /* Temporaray whilst I do the CSIT dance */
-  u8 create_missing_tables = 1;
-
   *fib_index = fib_table_find (table_proto, ntohl (table_id));
   if (~0 == *fib_index)
     {
-      if (create_missing_tables)
-       {
-         *fib_index = fib_table_find_or_create_and_lock (table_proto,
-                                                         ntohl (table_id),
-                                                         FIB_SOURCE_API);
-       }
-      else
-       {
-         /* No such VRF, and we weren't asked to create one */
-         return VNET_API_ERROR_NO_SUCH_FIB;
-       }
+      /* No such VRF, and we weren't asked to create one */
+      return VNET_API_ERROR_NO_SUCH_FIB;
     }
 
   if (!is_rpf_id && ~0 != ntohl (next_hop_sw_if_index))
@@ -1067,26 +1059,8 @@ add_del_route_check (fib_protocol_t table_proto,
 
       if (~0 == *next_hop_fib_index)
        {
-         if (create_missing_tables)
-           {
-             if (is_rpf_id)
-               *next_hop_fib_index =
-                 mfib_table_find_or_create_and_lock (fib_nh_proto,
-                                                     ntohl
-                                                     (next_hop_table_id),
-                                                     MFIB_SOURCE_API);
-             else
-               *next_hop_fib_index =
-                 fib_table_find_or_create_and_lock (fib_nh_proto,
-                                                    ntohl
-                                                    (next_hop_table_id),
-                                                    FIB_SOURCE_API);
-           }
-         else
-           {
-             /* No such VRF, and we weren't asked to create one */
-             return VNET_API_ERROR_NO_SUCH_FIB;
-           }
+         /* No such VRF, and we weren't asked to create one */
+         return VNET_API_ERROR_NO_SUCH_FIB;
        }
     }
 
@@ -1688,7 +1662,7 @@ typedef struct api_ip6nd_proxy_fib_table_walk_ctx_t_
   u32 *indices;
 } api_ip6nd_proxy_fib_table_walk_ctx_t;
 
-static int
+static fib_table_walk_rc_t
 api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
 {
   api_ip6nd_proxy_fib_table_walk_ctx_t *ctx = arg;
@@ -1698,7 +1672,7 @@ api_ip6nd_proxy_fib_table_walk (fib_node_index_t fei, void *arg)
       vec_add1 (ctx->indices, fei);
     }
 
-  return (1);
+  return (FIB_TABLE_WALK_CONTINUE);
 }
 
 static void
@@ -2816,6 +2790,61 @@ vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t * mp)
   REPLY_MACRO (VL_API_SET_ARP_NEIGHBOR_LIMIT_REPLY);
 }
 
+void
+vl_api_ip_reassembly_set_t_handler (vl_api_ip_reassembly_set_t * mp)
+{
+  vl_api_ip_reassembly_set_reply_t *rmp;
+  int rv = 0;
+  if (mp->is_ip6)
+    {
+      rv = ip6_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
+                         clib_net_to_host_u32 (mp->max_reassemblies),
+                         clib_net_to_host_u32 (mp->expire_walk_interval_ms));
+    }
+  else
+    {
+      rv = ip4_reass_set (clib_net_to_host_u32 (mp->timeout_ms),
+                         clib_net_to_host_u32 (mp->max_reassemblies),
+                         clib_net_to_host_u32 (mp->expire_walk_interval_ms));
+    }
+
+  REPLY_MACRO (VL_API_IP_REASSEMBLY_SET_REPLY);
+}
+
+void
+vl_api_ip_reassembly_get_t_handler (vl_api_ip_reassembly_get_t * mp)
+{
+  unix_shared_memory_queue_t *q;
+
+  q = vl_api_client_index_to_input_queue (mp->client_index);
+
+  if (q == 0)
+    return;
+
+  vl_api_ip_reassembly_get_reply_t *rmp = vl_msg_api_alloc (sizeof (*rmp));
+  memset (rmp, 0, sizeof (*rmp));
+  rmp->_vl_msg_id = ntohs (VL_API_IP_REASSEMBLY_GET_REPLY);
+  rmp->context = mp->context;
+  rmp->retval = 0;
+  if (mp->is_ip6)
+    {
+      rmp->is_ip6 = 1;
+      ip6_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies,
+                    &rmp->expire_walk_interval_ms);
+    }
+  else
+    {
+      rmp->is_ip6 = 0;
+      ip4_reass_get (&rmp->timeout_ms, &rmp->max_reassemblies,
+                    &rmp->expire_walk_interval_ms);
+    }
+  rmp->timeout_ms = clib_host_to_net_u32 (rmp->timeout_ms);
+  rmp->max_reassemblies = clib_host_to_net_u32 (rmp->max_reassemblies);
+  rmp->expire_walk_interval_ms =
+    clib_host_to_net_u32 (rmp->expire_walk_interval_ms);
+  vl_msg_api_send_shmem (q, (u8 *) & rmp);
+}
+
 #define vl_msg_name_crc_list
 #include <vnet/ip/ip.api.h>
 #undef vl_msg_name_crc_list