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/*
*------------------------------------------------------------------
* sr_api.c - ipv6 segment routing api
*
* Copyright (c) 2016 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/vnet.h>
#include <vnet/sr/sr.h>
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/feature/feature.h>
#include <vnet/vnet_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
_(SR_LOCALSID_ADD_DEL, sr_localsid_add_del) \
_(SR_POLICY_DEL, sr_policy_del) \
_(SR_STEERING_ADD_DEL, sr_steering_add_del)
//_(SR_LOCALSIDS, sr_localsids_dump)
//_(SR_LOCALSID_BEHAVIORS, sr_localsid_behaviors_dump)
static void vl_api_sr_localsid_add_del_t_handler
(vl_api_sr_localsid_add_del_t * mp)
{
vl_api_sr_localsid_add_del_reply_t *rmp;
int rv = 0;
/*
* int sr_cli_localsid (char is_del, ip6_address_t *localsid_addr,
* char end_psp, u8 behavior, u32 sw_if_index, u32 vlan_index, u32 fib_table,
* ip46_address_t *nh_addr, void *ls_plugin_mem)
*/
rv = sr_cli_localsid (mp->is_del,
(ip6_address_t *) & mp->localsid_addr,
mp->end_psp,
mp->behavior,
ntohl (mp->sw_if_index),
ntohl (mp->vlan_index),
ntohl (mp->fib_table),
(ip46_address_t *) & mp->nh_addr, NULL);
REPLY_MACRO (VL_API_SR_LOCALSID_ADD_DEL_REPLY);
}
static void
vl_api_sr_policy_add_t_handler (vl_api_sr_policy_add_t * mp)
{
vl_api_sr_policy_add_reply_t *rmp;
ip6_address_t *segments = 0, *seg;
ip6_address_t *this_address = (ip6_address_t *) mp->segments;
int i;
for (i = 0; i < mp->n_segments; i++)
{
vec_add2 (segments, seg, 1);
clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
this_address++;
}
/*
* sr_policy_add (ip6_address_t *bsid, ip6_address_t *segments,
* u32 weight, u8 behavior, u32 fib_table, u8 is_encap)
*/
int rv = 0;
rv = sr_policy_add ((ip6_address_t *) & mp->bsid_addr,
segments,
ntohl (mp->weight),
mp->type, ntohl (mp->fib_table), mp->is_encap);
REPLY_MACRO (VL_API_SR_POLICY_ADD_REPLY);
}
static void
vl_api_sr_policy_mod_t_handler (vl_api_sr_policy_mod_t * mp)
{
vl_api_sr_policy_mod_reply_t *rmp;
ip6_address_t *segments = 0, *seg;
ip6_address_t *this_address = (ip6_address_t *) mp->segments;
int i;
for (i = 0; i < mp->n_segments; i++)
{
vec_add2 (segments, seg, 1);
clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
this_address++;
}
int rv = 0;
/*
* int
* sr_policy_mod(ip6_address_t *bsid, u32 index, u32 fib_table,
* u8 operation, ip6_address_t *segments, u32 sl_index,
* u32 weight, u8 is_encap)
*/
rv = sr_policy_mod ((ip6_address_t *) & mp->bsid_addr,
ntohl (mp->sr_policy_index),
ntohl (mp->fib_table),
mp->operation,
segments, ntohl (mp->sl_index), ntohl (mp->weight));
REPLY_MACRO (VL_API_SR_POLICY_MOD_REPLY);
}
static void
vl_api_sr_policy_del_t_handler (vl_api_sr_policy_del_t * mp)
{
vl_api_sr_policy_del_reply_t *rmp;
int rv = 0;
/*
* int
* sr_policy_del (ip6_address_t *bsid, u32 index)
*/
rv = sr_policy_del ((ip6_address_t *) & mp->bsid_addr,
ntohl (mp->sr_policy_index));
REPLY_MACRO (VL_API_SR_POLICY_DEL_REPLY);
}
static void vl_api_sr_steering_add_del_t_handler
(vl_api_sr_steering_add_del_t * mp)
{
vl_api_sr_steering_add_del_reply_t *rmp;
int rv = 0;
/*
* int
* sr_steering_policy(int is_del, ip6_address_t *bsid, u32 sr_policy_index,
* u32 table_id, ip46_address_t *prefix, u32 mask_width, u32 sw_if_index,
* u8 traffic_type)
*/
rv = sr_steering_policy (mp->is_del,
(ip6_address_t *) & mp->bsid_addr,
ntohl (mp->sr_policy_index),
ntohl (mp->table_id),
(ip46_address_t *) & mp->prefix_addr,
ntohl (mp->mask_width),
ntohl (mp->sw_if_index), mp->traffic_type);
REPLY_MACRO (VL_API_SR_STEERING_ADD_DEL_REPLY);
}
/*
* sr_api_hookup
* Add vpe's API message handlers to the table.
* vlib has alread mapped shared memory and
* added the client registration handlers.
* See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
*/
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
foreach_vl_msg_name_crc_sr;
#undef _
}
static clib_error_t *
sr_api_hookup (vlib_main_t * vm)
{
api_main_t *am = &api_main;
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_msg;
#undef _
/*
* Manually register the sr policy add msg, so we trace
* enough bytes to capture a typical segment list
*/
vl_msg_api_set_handlers (VL_API_SR_POLICY_ADD,
"sr_policy_add",
vl_api_sr_policy_add_t_handler,
vl_noop_handler,
vl_api_sr_policy_add_t_endian,
vl_api_sr_policy_add_t_print, 256, 1);
/*
* Manually register the sr policy mod msg, so we trace
* enough bytes to capture a typical segment list
*/
vl_msg_api_set_handlers (VL_API_SR_POLICY_MOD,
"sr_policy_mod",
vl_api_sr_policy_mod_t_handler,
vl_noop_handler,
vl_api_sr_policy_mod_t_endian,
vl_api_sr_policy_mod_t_print, 256, 1);
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (sr_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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