+++ /dev/null
-/*
- * Copyright (c) 2015 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.
- */
-/*
- *------------------------------------------------------------------
- * un.c - SRv6 Masquerading Proxy (AM) function
- *------------------------------------------------------------------
- */
-
-#include <vnet/vnet.h>
-#include <vnet/adj/adj.h>
-#include <vnet/plugin/plugin.h>
-#include <vpp/app/version.h>
-#include <srv6-un/un.h>
-
-unsigned char function_name[] = "SRv6-uN";
-unsigned char keyword_str[] = "uN(32b+16b)";
-unsigned char def_str[] = "SRv6 uSID uN";
-unsigned char params_str[] = "";
-u8 prefix_length = 48;
-
-srv6_un_main_t srv6_un_main;
-
-/*****************************************/
-/* SRv6 LocalSID instantiation and removal functions */
-static int
-srv6_un_localsid_creation_fn (ip6_sr_localsid_t * localsid)
-{
- srv6_un_localsid_t *ls_mem = localsid->plugin_mem;
- //Nothing to do here.
- ls_mem->shift = 16;
- return 0;
-}
-
-static int
-srv6_un_localsid_removal_fn (ip6_sr_localsid_t * localsid)
-{
- //Nothing to do here.
-
- /* Clean up local SID memory */
- clib_mem_free (localsid->plugin_mem);
-
- return 0;
-}
-
-/**********************************/
-/* SRv6 LocalSID format functions */
-/*
- * Prints nicely the parameters of a localsid
- * Example: print "Table 5"
- */
-u8 *
-format_srv6_un_localsid (u8 * s, va_list * args)
-{
- srv6_un_localsid_t *ls_mem = va_arg (*args, void *);
-
- return (format (s, "Shift:\t\t%u", ls_mem->shift));
-}
-
-/*
- * Process the parameters of a localsid
- * Example: process from:
- * sr localsid address cafe::1 behavior new_srv6_localsid 5
- * everything from behavior on... so in this case 'new_srv6_localsid 5'
- * Notice that it MUST match the keyword_str and params_str defined above.
- */
-uword
-unformat_srv6_un_localsid (unformat_input_t * input, va_list * args)
-{
- void **plugin_mem_p = va_arg (*args, void **);
- srv6_un_localsid_t *ls_mem;
-
- if (unformat (input, "uN(32b+16b)"))
- {
- /* Allocate a portion of memory */
- ls_mem = clib_mem_alloc_aligned_at_offset (sizeof *ls_mem, 0, 0, 1);
-
- /* Set to zero the memory */
- clib_memset (ls_mem, 0, sizeof *ls_mem);
-
- /* Dont forget to add it to the localsid */
- *plugin_mem_p = ls_mem;
- return 1;
- }
- return 0;
-}
-
-/*************************/
-/* SRv6 LocalSID FIB DPO */
-static u8 *
-format_srv6_un_dpo (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: shift-and-forward 16b:[%u]", index));
-}
-
-void
-srv6_un_dpo_lock (dpo_id_t * dpo)
-{
-}
-
-void
-srv6_un_dpo_unlock (dpo_id_t * dpo)
-{
-}
-
-const static dpo_vft_t srv6_un_vft = {
- .dv_lock = srv6_un_dpo_lock,
- .dv_unlock = srv6_un_dpo_unlock,
- .dv_format = format_srv6_un_dpo,
-};
-
-const static char *const srv6_un_ip6_nodes[] = {
- "srv6-un-localsid",
- NULL,
-};
-
-const static char *const *const srv6_un_nodes[DPO_PROTO_NUM] = {
- [DPO_PROTO_IP6] = srv6_un_ip6_nodes,
-};
-
-/**********************/
-static clib_error_t *
-srv6_un_init (vlib_main_t * vm)
-{
- srv6_un_main_t *sm = &srv6_un_main;
- int rv = 0;
-
- sm->vlib_main = vm;
- sm->vnet_main = vnet_get_main ();
-
- /* Create DPO */
- sm->srv6_un16_dpo_type =
- dpo_register_new_type (&srv6_un_vft, srv6_un_nodes);
-
- /* Register SRv6 LocalSID */
- rv = sr_localsid_register_function (vm,
- function_name,
- keyword_str,
- def_str,
- params_str,
- prefix_length,
- &sm->srv6_un16_dpo_type,
- format_srv6_un_localsid,
- unformat_srv6_un_localsid,
- srv6_un_localsid_creation_fn,
- srv6_un_localsid_removal_fn);
- if (rv < 0)
- clib_error_return (0, "SRv6 LocalSID function could not be registered.");
- else
- sm->srv6_localsid_behavior_id = rv;
-
- return 0;
-}
-
-
-/* *INDENT-OFF* */
-VLIB_INIT_FUNCTION (srv6_un_init);
-
-VLIB_PLUGIN_REGISTER () = {
- .version = VPP_BUILD_VER,
- .description = "Segment Routing Shift And Forward uN 16b",
-};
-/* *INDENT-ON* */
-
-/*
-* fd.io coding-style-patch-verification: ON
-*
-* Local Variables:
-* eval: (c-set-style "gnu")
-* End:
-*/
Code Review / vpp.git / blobdiff