--- /dev/null
+/*
+ * srv6_t_m_gtp4_dt.c
+ *
+ * Copyright (c) 2019 Arrcus Inc 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/vnet.h>
+#include <vnet/adj/adj.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/plugin/plugin.h>
+#include <vpp/app/version.h>
+#include <srv6-mobile/mobile.h>
+
+srv6_t_main_v4_dt_t srv6_t_main_v4_dt;
+
+static void
+clb_dpo_lock_srv6_t_m_gtp4_dt (dpo_id_t * dpo)
+{
+}
+
+static void
+clb_dpo_unlock_srv6_t_m_gtp4_dt (dpo_id_t * dpo)
+{
+}
+
+static u8 *
+clb_dpo_format_srv6_t_m_gtp4_dt (u8 * s, va_list * args)
+{
+ index_t index = va_arg (*args, index_t);
+ CLIB_UNUSED (u32 indent) = va_arg (*args, u32);
+
+ return (format (s, "SR: dynamic_proxy_index:[%u]", index));
+}
+
+const static dpo_vft_t dpo_vft = {
+ .dv_lock = clb_dpo_lock_srv6_t_m_gtp4_dt,
+ .dv_unlock = clb_dpo_unlock_srv6_t_m_gtp4_dt,
+ .dv_format = clb_dpo_format_srv6_t_m_gtp4_dt,
+};
+
+const static char *const srv6_t_m_gtp4_dt_nodes[] = {
+ "srv6-t-m-gtp4-dt",
+ NULL,
+};
+
+const static char *const srv6_t_m_gtp4_dt_v6_nodes[] = {
+ "error-drop",
+ NULL,
+};
+
+const static char *const *const dpo_nodes[DPO_PROTO_NUM] = {
+ [DPO_PROTO_IP6] = srv6_t_m_gtp4_dt_v6_nodes,
+ [DPO_PROTO_IP4] = srv6_t_m_gtp4_dt_nodes,
+};
+
+static u8 fn_name[] = "SRv6-T.M.GTP4.DT-plugin";
+static u8 keyword_str[] = "t.m.gtp4.dt";
+static u8 def_str[] = "Transit function with DT for IPv4/GTP tunnel";
+static u8 param_str[] = "fib-index <index> [local-fib-table <index>]";
+
+static u8 *
+clb_format_srv6_t_m_gtp4_dt (u8 * s, va_list * args)
+{
+ srv6_t_gtp4_dt_param_t *ls_mem = va_arg (*args, void *);
+
+ s = format (s, "SRv6 Transit gtp4.dt\n\t");
+
+ if (ls_mem->type == SRV6_GTP4_DT4)
+ s = format (s, " Type GTP4.DT4 fib-table %u\n", ls_mem->fib4_index);
+ else if (ls_mem->type == SRV6_GTP4_DT6)
+ s = format (s, " Type GTP4.DT6, fib-table %u, local-fib-table %u\n",
+ ls_mem->fib6_index, ls_mem->local_fib_index);
+ else if (ls_mem->type == SRV6_GTP4_DT46)
+ s = format (s, " Type GTP4.DT46, fib-table %u, local-fib-table %u\n",
+ ls_mem->fib6_index, ls_mem->local_fib_index);
+ else
+ s = format (s, "\n");
+
+ return s;
+}
+
+static uword
+clb_unformat_srv6_t_m_gtp4_dt (unformat_input_t * input, va_list * args)
+{
+ void **plugin_mem_p = va_arg (*args, void **);
+ srv6_t_gtp4_dt_param_t *ls_mem;
+ u32 fib_index = 0, local_fib_index = 0;
+ u32 type;
+
+ if (unformat (input, "t.m.gtp4.dt4 fib-table %u", &fib_index))
+ {
+ type = SRV6_GTP4_DT4;
+ }
+ else if (unformat (input, "t.m.gtp4.dt6 fib-table %u local-fib-table %u",
+ &fib_index, &local_fib_index))
+ {
+ type = SRV6_GTP4_DT6;
+ }
+ else if (unformat (input, "t.m.gtp4.dt46 fib-table %u local-fib-table %u",
+ &fib_index, &local_fib_index))
+ {
+ type = SRV6_GTP4_DT46;
+ }
+ else
+ {
+ return 0;
+ }
+
+ ls_mem = clib_mem_alloc_aligned_at_offset (sizeof *ls_mem, 0, 0, 1);
+ clib_memset (ls_mem, 0, sizeof *ls_mem);
+ *plugin_mem_p = ls_mem;
+
+ ls_mem->fib4_index = fib_table_find (FIB_PROTOCOL_IP4, fib_index);
+ ls_mem->fib6_index = fib_table_find (FIB_PROTOCOL_IP6, fib_index);
+ ls_mem->local_fib_index =
+ fib_table_find (FIB_PROTOCOL_IP6, local_fib_index);
+
+ ls_mem->type = type;
+
+ return 1;
+}
+
+static int
+clb_creation_srv6_t_m_gtp4_dt (ip6_sr_policy_t * sr_policy)
+{
+ return 0;
+}
+
+static int
+clb_removal_srv6_t_m_gtp4_dt (ip6_sr_policy_t * sr_policy)
+{
+ srv6_t_gtp4_dt_param_t *ls_mem;
+
+ ls_mem = (srv6_t_gtp4_dt_param_t *) sr_policy->plugin_mem;
+
+ clib_mem_free (ls_mem);
+
+ return 0;
+}
+
+static clib_error_t *
+srv6_t_m_gtp4_dt_init (vlib_main_t * vm)
+{
+ srv6_t_main_v4_dt_t *sm = &srv6_t_main_v4_dt;
+ dpo_type_t dpo_type;
+ vlib_node_t *node;
+ int rc;
+
+ sm->vlib_main = vm;
+ sm->vnet_main = vnet_get_main ();
+
+ node = vlib_get_node_by_name (vm, (u8 *) "srv6-t-m-gtp4-dt");
+ sm->t_m_gtp4_dt_node_index = node->index;
+
+ node = vlib_get_node_by_name (vm, (u8 *) "error-drop");
+ sm->error_node_index = node->index;
+
+ dpo_type = dpo_register_new_type (&dpo_vft, dpo_nodes);
+
+ rc = sr_policy_register_function (vm, fn_name, keyword_str, def_str, param_str, 128, //prefix len
+ &dpo_type,
+ clb_format_srv6_t_m_gtp4_dt,
+ clb_unformat_srv6_t_m_gtp4_dt,
+ clb_creation_srv6_t_m_gtp4_dt,
+ clb_removal_srv6_t_m_gtp4_dt);
+ if (rc < 0)
+ clib_error_return (0, "SRv6 Transit GTP4.DT Policy function"
+ "couldn't be registered");
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VNET_FEATURE_INIT (srv6_t_m_gtp4_dt, static) =
+{
+ .arc_name = "ip4-unicast",
+ .node_name = "srv6-t-m-gtp4-dt",
+ .runs_before = 0,
+};
+
+VLIB_INIT_FUNCTION (srv6_t_m_gtp4_dt_init);
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff