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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 "sr_mpls.h"
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/feature/feature.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/format_fns.h>
#include <plugins/srmpls/sr_mpls.api_enum.h>
#include <plugins/srmpls/sr_mpls.api_types.h>
#define vl_api_version(n, v) static u32 api_version = v;
#include <plugins/srmpls/sr_mpls.api.h>
#undef vl_api_version
#define vl_endianfun
#include <plugins/srmpls/sr_mpls.api.h>
#undef vl_endianfun
#define vl_calcsizefun
#include <plugins/srmpls/sr_mpls.api.h>
#undef vl_calcsizefun
#define vl_printfun
#include <plugins/srmpls/sr_mpls.api.h>
#undef vl_printfun
#define vl_msg_name_crc_list
#include <plugins/srmpls/sr_mpls.api.h>
#undef vl_msg_name_crc_list
#define REPLY_MSG_ID_BASE msg_id_base
#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 u16 msg_id_base;
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->is_spray, ntohl (mp->weight));
vec_free (segments);
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),
ntohl (mp->operation), segments,
ntohl (mp->sl_index), ntohl (mp->weight));
vec_free (segments);
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;
fib_prefix_t prefix;
ip46_address_t next_hop;
clib_memset (&prefix, 0, sizeof (ip46_address_t));
ip_prefix_decode (&mp->prefix, &prefix);
ip_address_decode (&mp->next_hop, &next_hop);
int rv = 0;
if (mp->is_del)
rv = sr_mpls_steering_policy_del (&prefix.fp_addr,
prefix.fp_len,
ip46_address_is_ip4 (&prefix.fp_addr) ?
SR_STEER_IPV4 : SR_STEER_IPV6,
ntohl (mp->table_id),
ntohl (mp->color));
else
rv = sr_mpls_steering_policy_add (ntohl (mp->bsid),
ntohl (mp->table_id),
&prefix.fp_addr,
prefix.fp_len,
ip46_address_is_ip4 (&prefix.fp_addr) ?
SR_STEER_IPV4 : SR_STEER_IPV6,
&next_hop,
ip46_address_is_ip4 (&next_hop) ?
SR_STEER_IPV4 : SR_STEER_IPV6,
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;
clib_memset (&endpoint, 0, sizeof (ip46_address_t));
ip_address_decode (&mp->endpoint, &endpoint);
rv = sr_mpls_policy_assign_endpoint_color (ntohl (mp->bsid),
&endpoint,
ip46_address_is_ip4 (&endpoint) ?
SR_STEER_IPV4 : SR_STEER_IPV6,
ntohl (mp->color));
REPLY_MACRO (VL_API_SR_MPLS_POLICY_ASSIGN_ENDPOINT_COLOR_REPLY);
}
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 + REPLY_MSG_ID_BASE);
foreach_vl_msg_name_crc_sr_mpls;
#undef _
}
static clib_error_t *
sr_mpls_api_hookup (vlib_main_t * vm)
{
api_main_t *am = vlibapi_get_main ();
u8 *name = format (0, "sr_mpls_%08x%c", api_version, 0);
REPLY_MSG_ID_BASE =
vl_msg_api_get_msg_ids ((char *) name, VL_MSG_SR_MPLS_LAST);
vec_free (name);
#define _(N, n) \
vl_msg_api_config (&(vl_msg_api_msg_config_t){ \
.id = REPLY_MSG_ID_BASE + VL_API_##N, \
.name = #n, \
.handler = vl_api_##n##_t_handler, \
.endian = vl_api_##n##_t_endian, \
.format_fn = vl_api_##n##_t_format, \
.size = sizeof (vl_api_##n##_t), \
.traced = 1, \
.tojson = vl_api_##n##_t_tojson, \
.fromjson = vl_api_##n##_t_fromjson, \
.calc_size = vl_api_##n##_t_calc_size, \
});
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_config (&(vl_msg_api_msg_config_t){
.id = REPLY_MSG_ID_BASE + VL_API_SR_MPLS_POLICY_ADD,
.name = "sr_mpls_policy_add",
.handler = vl_api_sr_mpls_policy_add_t_handler,
.endian = vl_api_sr_mpls_policy_add_t_endian,
.format_fn = vl_api_sr_mpls_policy_add_t_format,
.size = 256,
.traced = 1,
.tojson = vl_api_sr_mpls_policy_add_t_tojson,
.fromjson = vl_api_sr_mpls_policy_add_t_fromjson,
.calc_size = vl_api_sr_mpls_policy_add_t_calc_size,
});
/*
* Manually register the sr policy mod msg, so we trace enough bytes
* to capture a typical segment list
*/
vl_msg_api_config (&(vl_msg_api_msg_config_t){
.id = REPLY_MSG_ID_BASE + VL_API_SR_MPLS_POLICY_MOD,
.name = "sr_mpls_policy_mod",
.handler = vl_api_sr_mpls_policy_mod_t_handler,
.endian = vl_api_sr_mpls_policy_mod_t_endian,
.format_fn = vl_api_sr_mpls_policy_mod_t_format,
.size = 256,
.traced = 1,
.tojson = vl_api_sr_mpls_policy_mod_t_tojson,
.fromjson = vl_api_sr_mpls_policy_mod_t_fromjson,
.calc_size = vl_api_sr_mpls_policy_mod_t_calc_size,
});
/*
* 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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