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authorOle Troan <ot@cisco.com>2019-12-19 11:55:54 +0100
committerAndrew Yourtchenko <ayourtch@gmail.com>2020-02-05 15:45:30 +0000
commit2c6639c695aebf0cd5ac74ad31fd331547fa0126 (patch)
treedd962dda017462107eca0b838c159ea1e19f7b8a /src/plugins/nat/dslite/dslite_api.c
parent72e31bc2d9b910147c09e1c329713fccc873a018 (diff)
nat: move dslite to separate sub-plugin
Type: refactor Change-Id: If3d9f16f3a06c10b354f1eef674e8db5f3c44de7 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/nat/dslite/dslite_api.c')
-rw-r--r--src/plugins/nat/dslite/dslite_api.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/src/plugins/nat/dslite/dslite_api.c b/src/plugins/nat/dslite/dslite_api.c
new file mode 100644
index 00000000000..420e8212ad9
--- /dev/null
+++ b/src/plugins/nat/dslite/dslite_api.c
@@ -0,0 +1,177 @@
+/*
+ *------------------------------------------------------------------
+ * dslite_api.c - DS-Lite API
+ *
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+#include <vnet/ip/ip_types_api.h>
+#include <nat/dslite/dslite.h>
+#include <nat/dslite/dslite.api_enum.h>
+#include <nat/dslite/dslite.api_types.h>
+#include <vnet/ip/ip.h>
+#include <vnet/fib/fib_table.h>
+#include <vlibmemory/api.h>
+
+#define REPLY_MSG_ID_BASE dm->msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+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;
+ dslite_main_t *dm = &dslite_main;
+ int rv = 0;
+ ip6_address_t ip6_addr;
+ ip4_address_t ip4_addr;
+
+ memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
+ memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4);
+
+ rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr);
+ if (rv == 0)
+ rv = dslite_set_aftr_ip4_addr (dm, &ip4_addr);
+
+ REPLY_MACRO (VL_API_DSLITE_SET_AFTR_ADDR_REPLY);
+}
+
+static void
+vl_api_dslite_get_aftr_addr_t_handler (vl_api_dslite_get_aftr_addr_t * mp)
+{
+ vl_api_dslite_get_aftr_addr_reply_t *rmp;
+ dslite_main_t *dm = &dslite_main;
+ int rv = 0;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_DSLITE_GET_AFTR_ADDR_REPLY,
+ ({
+ memcpy (rmp->ip4_addr, &dm->aftr_ip4_addr.as_u8, 4);
+ memcpy (rmp->ip6_addr, &dm->aftr_ip6_addr.as_u8, 16);
+ }))
+ /* *INDENT-ON* */
+}
+
+static void
+vl_api_dslite_set_b4_addr_t_handler (vl_api_dslite_set_b4_addr_t * mp)
+{
+ vl_api_dslite_set_b4_addr_reply_t *rmp;
+ dslite_main_t *dm = &dslite_main;
+ int rv = 0;
+ ip6_address_t ip6_addr;
+ ip4_address_t ip4_addr;
+
+ memcpy (&ip6_addr.as_u8, mp->ip6_addr, 16);
+ memcpy (&ip4_addr.as_u8, mp->ip4_addr, 4);
+
+ rv = dslite_set_b4_ip6_addr (dm, &ip6_addr);
+ if (rv == 0)
+ rv = dslite_set_b4_ip4_addr (dm, &ip4_addr);
+
+ REPLY_MACRO (VL_API_DSLITE_SET_B4_ADDR_REPLY);
+}
+
+static void
+vl_api_dslite_get_b4_addr_t_handler (vl_api_dslite_get_b4_addr_t * mp)
+{
+ vl_api_dslite_get_b4_addr_reply_t *rmp;
+ dslite_main_t *dm = &dslite_main;
+ int rv = 0;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2 (VL_API_DSLITE_GET_B4_ADDR_REPLY,
+ ({
+ memcpy (rmp->ip4_addr, &dm->b4_ip4_addr.as_u8, 4);
+ memcpy (rmp->ip6_addr, &dm->b4_ip6_addr.as_u8, 16);
+ }))
+ /* *INDENT-ON* */
+}
+
+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;
+ dslite_main_t *dm = &dslite_main;
+ int rv = 0;
+ ip4_address_t this_addr;
+ u32 start_host_order, end_host_order;
+ int 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]);
+
+ // TODO:
+ // end_host_order < start_host_order
+
+ count = (end_host_order - start_host_order) + 1;
+ memcpy (&this_addr.as_u8, mp->start_addr, 4);
+
+ rv = nat_add_del_ip4_pool_addrs (&dm->pool, this_addr, count, mp->is_add, 0);
+
+ REPLY_MACRO (VL_API_DSLITE_ADD_DEL_POOL_ADDR_RANGE_REPLY);
+}
+
+static void
+send_dslite_address_details (nat_ip4_pool_addr_t * a,
+ vl_api_registration_t * reg, u32 context)
+{
+ dslite_main_t *dm = &dslite_main;
+ vl_api_dslite_address_details_t *rmp;
+
+ rmp = vl_msg_api_alloc (sizeof (*rmp));
+
+ clib_memset (rmp, 0, sizeof (*rmp));
+
+ rmp->_vl_msg_id = ntohs (VL_API_DSLITE_ADDRESS_DETAILS + dm->msg_id_base);
+ clib_memcpy (rmp->ip_address, &(a->addr), 4);
+ rmp->context = context;
+
+ vl_api_send_msg (reg, (u8 *) rmp);
+}
+
+static void
+vl_api_dslite_address_dump_t_handler (vl_api_dslite_address_dump_t * mp)
+{
+ vl_api_registration_t *reg;
+ dslite_main_t *dm = &dslite_main;
+ nat_ip4_pool_addr_t *a;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ /* *INDENT-OFF* */
+ vec_foreach (a, dm->pool.pool_addr)
+ {
+ send_dslite_address_details (a, reg, mp->context);
+ }
+ /* *INDENT-ON* */
+}
+
+/* API definitions */
+#include <vnet/format_fns.h>
+#include <nat/dslite/dslite.api.c>
+
+/* Set up the API message handling tables */
+clib_error_t *
+dslite_api_hookup (vlib_main_t * vm)
+{
+ dslite_main_t *dm = &dslite_main;
+
+ dm->msg_id_base = setup_message_id_table ();
+ return 0;
+}