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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/srmpls/sr_mpls.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_MPLS_POLICY_DEL, sr_mpls_policy_del) \
_(SR_MPLS_STEERING_ADD_DEL, sr_mpls_steering_add_del) \
_(SR_MPLS_POLICY_ASSIGN_ENDPOINT_COLOR, sr_mpls_policy_assign_endpoint_color)
static void
vl_api_sr_mpls_policy_add_t_handler (vl_api_sr_mpls_policy_add_t * mp)
{
vl_api_sr_mpls_policy_add_reply_t *rmp;
mpls_label_t *segments = 0, *seg;
mpls_label_t this_address = 0;
int i;
for (i = 0; i < mp->n_segments; i++)
{
vec_add2 (segments, seg, 1);
this_address = ntohl (mp->segments[i]);
clib_memcpy (seg, &this_address, sizeof (this_address));
}
int rv = 0;
rv = sr_mpls_policy_add (ntohl (mp->bsid),
segments, mp->type, ntohl (mp->weight));
REPLY_MACRO (VL_API_SR_MPLS_POLICY_ADD_REPLY);
}
static void
vl_api_sr_mpls_policy_mod_t_handler (vl_api_sr_mpls_policy_mod_t * mp)
{
vl_api_sr_mpls_policy_mod_reply_t *rmp;
mpls_label_t *segments = 0, *seg;
mpls_label_t this_address = 0;
int i;
for (i = 0; i < mp->n_segments; i++)
{
vec_add2 (segments, seg, 1);
this_address = ntohl (mp->segments[i]);
clib_memcpy (seg, &this_address, sizeof (this_address));
}
int rv = 0;
rv = sr_mpls_policy_mod (ntohl (mp->bsid),
mp->operation, segments, ntohl (mp->sl_index),
ntohl (mp->weight));
REPLY_MACRO (VL_API_SR_MPLS_POLICY_MOD_REPLY);
}
static void
vl_api_sr_mpls_policy_del_t_handler (vl_api_sr_mpls_policy_del_t * mp)
{
vl_api_sr_mpls_policy_del_reply_t *rmp;
int rv = 0;
rv = sr_mpls_policy_del (ntohl (mp->bsid));
REPLY_MACRO (VL_API_SR_MPLS_POLICY_DEL_REPLY);
}
static void vl_api_sr_mpls_steering_add_del_t_handler
(vl_api_sr_mpls_steering_add_del_t * mp)
{
vl_api_sr_mpls_steering_add_del_reply_t *rmp;
ip46_address_t prefix;
memset (&prefix, 0, sizeof (ip46_address_t));
if (mp->traffic_type == SR_STEER_IPV4)
memcpy (&prefix.ip4, mp->prefix_addr, sizeof (prefix.ip4));
else
memcpy (&prefix, mp->prefix_addr, sizeof (prefix.ip6));
int rv = 0;
if (mp->is_del)
rv = sr_mpls_steering_policy_del (&prefix,
ntohl (mp->mask_width),
mp->traffic_type,
ntohl (mp->table_id),
ntohl (mp->color));
else
rv = sr_mpls_steering_policy_add (ntohl (mp->bsid),
ntohl (mp->table_id),
&prefix,
ntohl (mp->mask_width),
mp->traffic_type,
(ip46_address_t *) & mp->next_hop,
mp->nh_type,
ntohl (mp->color), mp->co_bits,
ntohl (mp->vpn_label));
REPLY_MACRO (VL_API_SR_MPLS_STEERING_ADD_DEL_REPLY);
}
static void vl_api_sr_mpls_policy_assign_endpoint_color_t_handler
(vl_api_sr_mpls_policy_assign_endpoint_color_t * mp)
{
vl_api_sr_mpls_policy_assign_endpoint_color_reply_t *rmp;
int rv = 0;
ip46_address_t endpoint;
memset (&endpoint, 0, sizeof (ip46_address_t));
if (mp->endpoint_type == SR_STEER_IPV4)
memcpy (&endpoint.ip4, mp->endpoint, sizeof (endpoint.ip4));
else
memcpy (&endpoint, mp->endpoint, sizeof (endpoint.ip6));
rv = sr_mpls_policy_assign_endpoint_color (ntohl (mp->bsid),
&endpoint, mp->endpoint_type,
ntohl (mp->color));
REPLY_MACRO (VL_API_SR_MPLS_POLICY_ASSIGN_ENDPOINT_COLOR_REPLY);
}
/*
* sr_mpls_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_mpls;
#undef _
}
static clib_error_t *
sr_mpls_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_MPLS_POLICY_ADD,
"sr_mpls_policy_add",
vl_api_sr_mpls_policy_add_t_handler,
vl_noop_handler,
vl_api_sr_mpls_policy_add_t_endian,
vl_api_sr_mpls_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_MPLS_POLICY_MOD,
"sr_mpls_policy_mod",
vl_api_sr_mpls_policy_mod_t_handler,
vl_noop_handler,
vl_api_sr_mpls_policy_mod_t_endian,
vl_api_sr_mpls_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_mpls_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables: eval: (c-set-style "gnu") End:
*/
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