--- /dev/null
+/*
+ * srv6_end_m_gtp6_d_di_di.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/plugin/plugin.h>
+#include <vpp/app/version.h>
+#include <srv6-mobile/mobile.h>
+
+srv6_end_main_v6_decap_di_t srv6_end_main_v6_decap_di;
+
+static void
+clb_dpo_lock_srv6_end_m_gtp6_d_di (dpo_id_t * dpo)
+{
+}
+
+static void
+clb_dpo_unlock_srv6_end_m_gtp6_d_di (dpo_id_t * dpo)
+{
+}
+
+static u8 *
+clb_dpo_format_srv6_end_m_gtp6_d_di (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_end_m_gtp6_d_di,
+ .dv_unlock = clb_dpo_unlock_srv6_end_m_gtp6_d_di,
+ .dv_format = clb_dpo_format_srv6_end_m_gtp6_d_di,
+};
+
+const static char *const srv6_end_m_gtp6_d_di_nodes[] = {
+ "srv6-end-m-gtp6-d-di",
+ NULL,
+};
+
+const static char *const *const dpo_nodes[DPO_PROTO_NUM] = {
+ [DPO_PROTO_IP6] = srv6_end_m_gtp6_d_di_nodes,
+};
+
+static u8 fn_name[] = "SRv6-End.M.GTP6.D.DI-plugin";
+static u8 keyword_str[] = "end.m.gtp6.d.di";
+static u8 def_str[] =
+ "Endpoint function with drop-in dencapsulation for IPv6/GTP tunnel";
+static u8 param_str[] = "<sr-prefix>/<sr-prefixlen> [nhtype <nhtype>]";
+
+static u8 *
+clb_format_srv6_end_m_gtp6_d_di (u8 * s, va_list * args)
+{
+ srv6_end_gtp6_param_t *ls_mem = va_arg (*args, void *);
+
+ s = format (s, "SRv6 End gtp6.d Drop-in\n\t");
+
+ s =
+ format (s, "SR Prefix: %U/%d", format_ip6_address, &ls_mem->sr_prefix,
+ ls_mem->sr_prefixlen);
+
+ if (ls_mem->nhtype != SRV6_NHTYPE_NONE)
+ {
+ if (ls_mem->nhtype == SRV6_NHTYPE_IPV4)
+ s = format (s, ", NHType IPv4\n");
+ else if (ls_mem->nhtype == SRV6_NHTYPE_IPV6)
+ s = format (s, ", NHType IPv6\n");
+ else if (ls_mem->nhtype == SRV6_NHTYPE_NON_IP)
+ s = format (s, ", NHType Non-IP\n");
+ else
+ s = format (s, ", NHType Unknow(%d)\n", ls_mem->nhtype);
+ }
+ else
+ s = format (s, "\n");
+
+ return s;
+}
+
+static uword
+clb_unformat_srv6_end_m_gtp6_d_di (unformat_input_t * input, va_list * args)
+{
+ void **plugin_mem_p = va_arg (*args, void **);
+ srv6_end_gtp6_param_t *ls_mem;
+ ip6_address_t sr_prefix;
+ u32 sr_prefixlen = 0;
+ u8 nhtype;
+
+ if (unformat (input, "end.m.gtp6.d.di %U/%d nhtype ipv4",
+ unformat_ip6_address, &sr_prefix, &sr_prefixlen))
+ {
+ nhtype = SRV6_NHTYPE_IPV4;
+ }
+ else if (unformat (input, "end.m.gtp6.d.di %U/%d nhtype ipv6",
+ unformat_ip6_address, &sr_prefix, &sr_prefixlen))
+ {
+ nhtype = SRV6_NHTYPE_IPV6;
+ }
+ else if (unformat (input, "end.m.gtp6.d.di %U/%d nhtype non-ip",
+ unformat_ip6_address, &sr_prefix, &sr_prefixlen))
+ {
+ nhtype = SRV6_NHTYPE_NON_IP;
+ }
+ else if (unformat (input, "end.m.gtp6.d.di %U/%d",
+ unformat_ip6_address, &sr_prefix, &sr_prefixlen))
+ {
+ nhtype = SRV6_NHTYPE_NONE;
+ }
+ 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->sr_prefix = sr_prefix;
+ ls_mem->sr_prefixlen = sr_prefixlen;
+ ls_mem->nhtype = nhtype;
+
+ return 1;
+}
+
+static int
+clb_creation_srv6_end_m_gtp6_d_di (ip6_sr_localsid_t * localsid)
+{
+ return 0;
+}
+
+static int
+clb_removal_srv6_end_m_gtp6_d_di (ip6_sr_localsid_t * localsid)
+{
+ srv6_end_gtp6_param_t *ls_mem;
+
+ ls_mem = localsid->plugin_mem;
+
+ clib_mem_free (ls_mem);
+
+ return 0;
+}
+
+static clib_error_t *
+srv6_end_m_gtp6_d_di_init (vlib_main_t * vm)
+{
+ srv6_end_main_v6_decap_di_t *sm = &srv6_end_main_v6_decap_di;
+ ip6srv_combo_header_t *ip6;
+ dpo_type_t dpo_type;
+ vlib_node_t *node;
+ u32 rc;
+
+ sm->vlib_main = vm;
+ sm->vnet_main = vnet_get_main ();
+
+ node = vlib_get_node_by_name (vm, (u8 *) "srv6-end-m-gtp6-d-di");
+ sm->end_m_gtp6_d_di_node_index = node->index;
+
+ node = vlib_get_node_by_name (vm, (u8 *) "error-drop");
+ sm->error_node_index = node->index;
+
+ ip6 = &sm->cache_hdr;
+
+ clib_memset_u8 (ip6, 0, sizeof (ip6srv_combo_header_t));
+
+ // IPv6 header (default)
+ ip6->ip.ip_version_traffic_class_and_flow_label = 0x60;
+ ip6->ip.hop_limit = 64;
+ ip6->ip.protocol = IPPROTO_IPV6_ROUTE;
+
+ // SR header (default)
+ ip6->sr.type = 4;
+
+ dpo_type = dpo_register_new_type (&dpo_vft, dpo_nodes);
+
+ rc = sr_localsid_register_function (vm, fn_name, keyword_str, def_str, param_str, 128, //prefix len
+ &dpo_type,
+ clb_format_srv6_end_m_gtp6_d_di,
+ clb_unformat_srv6_end_m_gtp6_d_di,
+ clb_creation_srv6_end_m_gtp6_d_di,
+ clb_removal_srv6_end_m_gtp6_d_di);
+ if (rc < 0)
+ clib_error_return (0, "SRv6 Endpoint GTP6.D.DI LocalSID function"
+ "couldn't be registered");
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VNET_FEATURE_INIT (srv6_end_m_gtp6_d_di, static) =
+{
+ .arc_name = "ip6-unicast",
+ .node_name = "srv6-end-m-gtp6-d-di",
+ .runs_before = 0,
+};
+
+VLIB_INIT_FUNCTION (srv6_end_m_gtp6_d_di_init);
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff