/*
* nsh_api.c - nsh mapping api
*
* Copyright (c) 2019 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/plugin/plugin.h>
#include <nsh/nsh.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vpp/app/version.h>
/* define message IDs */
#define vl_msg_id(n,h) n,
typedef enum
{
#include <nsh/nsh.api.h>
/* We'll want to know how many messages IDs we need... */
VL_MSG_FIRST_AVAILABLE,
} vl_msg_id_t;
#undef vl_msg_id
/* define message structures */
#define vl_typedefs
#include <nsh/nsh.api.h>
#undef vl_typedefs
/* define generated endian-swappers */
#define vl_endianfun
#include <nsh/nsh.api.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 <nsh/nsh.api.h>
#undef vl_printfun
/* Get the API version number */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <nsh/nsh.api.h>
#undef vl_api_version
#define vl_msg_name_crc_list
#include <nsh/nsh.api.h>
#undef vl_msg_name_crc_list
#define REPLY_MSG_ID_BASE nm->msg_id_base
#include <vlibapi/api_helper_macros.h>
/* List of message types that this plugin understands */
#define foreach_nsh_plugin_api_msg \
_(NSH_ADD_DEL_ENTRY, nsh_add_del_entry) \
_(NSH_ENTRY_DUMP, nsh_entry_dump) \
_(NSH_ADD_DEL_MAP, nsh_add_del_map) \
_(NSH_MAP_DUMP, nsh_map_dump)
/**
* @brief CLI function for NSH admin up/down
*
* @param *vnm
* @param nsh_hw_if
* @param flag
*
* @return *rc
*
*/
static clib_error_t *
nsh_interface_admin_up_down (vnet_main_t * vnm, u32 nsh_hw_if, u32 flags)
{
if (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)
vnet_hw_interface_set_flags (vnm, nsh_hw_if,
VNET_HW_INTERFACE_FLAG_LINK_UP);
else
vnet_hw_interface_set_flags (vnm, nsh_hw_if, 0);
return 0;
}
static uword
dummy_interface_tx (vlib_main_t * vm,
vlib_node_runtime_t * node, vlib_frame_t * frame)
{
clib_warning ("you shouldn't be here, leaking buffers...");
return frame->n_vectors;
}
/**
* @brief Naming for NSH tunnel
*
* @param *s formatting string
* @param *args
*
* @return *s formatted string
*
*/
static u8 *
format_nsh_name (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
return format (s, "nsh_tunnel%d", dev_instance);
}
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (nsh_device_class, static) = {
.name = "NSH",
.format_device_name = format_nsh_name,
.tx_function = dummy_interface_tx,
.admin_up_down_function = nsh_interface_admin_up_down,
};
/* *INDENT-ON* */
static void send_nsh_entry_details
(nsh_entry_t * t, unix_shared_memory_queue_t * q, u32 context)
{
vl_api_nsh_entry_details_t *rmp;
nsh_main_t *nm = &nsh_main;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs ((VL_API_NSH_ENTRY_DETAILS) + nm->msg_id_base);
rmp->ver_o_c = t->nsh_base.ver_o_c;
rmp->ttl = (t->nsh_base.ver_o_c & NSH_TTL_H4_MASK) << 2 |
(t->nsh_base.length & NSH_TTL_L2_MASK) >> 6;
rmp->length = t->nsh_base.length & NSH_LEN_MASK;
rmp->md_type = t->nsh_base.md_type;
rmp->next_protocol = t->nsh_base.next_protocol;
rmp->nsp_nsi = htonl (t->nsh_base.nsp_nsi);
if (t->nsh_base.md_type == 1)
{
rmp->tlv_length = 4;
rmp->c1 = htonl (t->md.md1_data.c1);
rmp->c2 = htonl (t->md.md1_data.c2);
rmp->c3 = htonl (t->md.md1_data.c3);
rmp->c4 = htonl (t->md.md1_data.c4);
}
else if (t->nsh_base.md_type == 2)
{
rmp->tlv_length = t->tlvs_len;
clib_memcpy (rmp->tlv, t->tlvs_data, t->tlvs_len);
}
rmp->context = context;
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
static void send_nsh_map_details
(nsh_map_t * t, unix_shared_memory_queue_t * q, u32 context)
{
vl_api_nsh_map_details_t *rmp;
nsh_main_t *nm = &nsh_main;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs ((VL_API_NSH_MAP_DETAILS) + nm->msg_id_base);
rmp->nsp_nsi = htonl (t->nsp_nsi);
rmp->mapped_nsp_nsi = htonl (t->mapped_nsp_nsi);
rmp->nsh_action = htonl (t->nsh_action);
rmp->sw_if_index = htonl (t->sw_if_index);
rmp->rx_sw_if_index = htonl (t->rx_sw_if_index);
rmp->next_node = htonl (t->next_node);
rmp->context = context;
vl_msg_api_send_shmem (q, (u8 *) & rmp);
}
static void
vl_api_nsh_map_dump_t_handler (vl_api_nsh_map_dump_t * mp)
{
unix_shared_memory_queue_t *q;
nsh_main_t *nm = &nsh_main;
nsh_map_t *t;
u32 map_index;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
{
return;
}
map_index = ntohl (mp->map_index);
if (~0 == map_index)
{
pool_foreach (t, nm->nsh_mappings, (
{
send_nsh_map_details (t, q,
mp->context);
}
));
}
else
{
if (map_index >= vec_len (nm->nsh_mappings))
{
return;
}
t = &nm->nsh_mappings[map_index];
send_nsh_map_details (t, q, mp->context);
}
}
/** API message handler */
static void
vl_api_nsh_add_del_map_t_handler (vl_api_nsh_add_del_map_t * mp)
{
vl_api_nsh_add_del_map_reply_t *rmp;
nsh_main_t *nm = &nsh_main;
int rv;
nsh_add_del_map_args_t _a, *a = &_a;
u32 map_index = ~0;
a->is_add = mp->is_add;
a->map.nsp_nsi = ntohl (mp->nsp_nsi);
a->map.mapped_nsp_nsi = ntohl (mp->mapped_nsp_nsi);
a->map.nsh_action = ntohl (mp->nsh_action);
a->map.sw_if_index = ntohl (mp->sw_if_index);
a->map.rx_sw_if_index = ntohl (mp->rx_sw_if_index);
a->map.next_node = ntohl (mp->next_node);
rv = nsh_add_del_map (a, &map_index);
if ((a->map.next_node == NSH_NODE_NEXT_ENCAP_VXLAN4)
| (a->map.next_node == NSH_NODE_NEXT_ENCAP_VXLAN6))
{
rv = nsh_add_del_proxy_session (a);
}
REPLY_MACRO2 (VL_API_NSH_ADD_DEL_MAP_REPLY, (
{
rmp->map_index =
htonl (map_index);
}
));
}
int
nsh_header_rewrite (nsh_entry_t * nsh_entry)
{
u8 *rw = 0;
int len = 0;
nsh_base_header_t *nsh_base;
nsh_md1_data_t *nsh_md1;
nsh_main_t *nm = &nsh_main;
nsh_md2_data_t *opt0;
nsh_md2_data_t *limit0;
nsh_md2_data_t *nsh_md2;
nsh_option_map_t _nsh_option, *nsh_option = &_nsh_option;
u8 old_option_size = 0;
u8 new_option_size = 0;
vec_free (nsh_entry->rewrite);
if (nsh_entry->nsh_base.md_type == 1)
{
len = sizeof (nsh_base_header_t) + sizeof (nsh_md1_data_t);
}
else if (nsh_entry->nsh_base.md_type == 2)
{
/* set to maxim, maybe dataplane will add more TLVs */
len = MAX_NSH_HEADER_LEN;
}
vec_validate_aligned (rw, len - 1, CLIB_CACHE_LINE_BYTES);
clib_memset (rw, 0, len);
nsh_base = (nsh_base_header_t *) rw;
nsh_base->ver_o_c = nsh_entry->nsh_base.ver_o_c;
nsh_base->length = nsh_entry->nsh_base.length;
nsh_base->md_type = nsh_entry->nsh_base.md_type;
nsh_base->next_protocol = nsh_entry->nsh_base.next_protocol;
nsh_base->nsp_nsi = clib_host_to_net_u32 (nsh_entry->nsh_base.nsp_nsi);
if (nsh_base->md_type == 1)
{
nsh_md1 = (nsh_md1_data_t *) (rw + sizeof (nsh_base_header_t));
nsh_md1->c1 = clib_host_to_net_u32 (nsh_entry->md.md1_data.c1);
nsh_md1->c2 = clib_host_to_net_u32 (nsh_entry->md.md1_data.c2);
nsh_md1->c3 = clib_host_to_net_u32 (nsh_entry->md.md1_data.c3);
nsh_md1->c4 = clib_host_to_net_u32 (nsh_entry->md.md1_data.c4);
nsh_entry->rewrite_size = 24;
}
else if (nsh_base->md_type == 2)
{
opt0 = (nsh_md2_data_t *) (nsh_entry->tlvs_data);
limit0 = (nsh_md2_data_t *) ((u8 *) opt0 + nsh_entry->tlvs_len);
nsh_md2 = (nsh_md2_data_t *) (rw + sizeof (nsh_base_header_t));
nsh_entry->rewrite_size = sizeof (nsh_base_header_t);
while (opt0 < limit0)
{
old_option_size = sizeof (nsh_md2_data_t) + opt0->length;
/* round to 4-byte */
old_option_size = ((old_option_size + 3) >> 2) << 2;
nsh_option = nsh_md2_lookup_option (opt0->class, opt0->type);
if (nsh_option == NULL)
{
goto next_tlv_md2;
}
if (nm->add_options[nsh_option->option_id] != NULL)
{
if (0 != nm->add_options[nsh_option->option_id] ((u8 *) nsh_md2,
&new_option_size))
{
goto next_tlv_md2;
}
/* round to 4-byte */
new_option_size = ((new_option_size + 3) >> 2) << 2;
nsh_entry->rewrite_size += new_option_size;
nsh_md2 =
(nsh_md2_data_t *) (((u8 *) nsh_md2) + new_option_size);
opt0 = (nsh_md2_data_t *) (((u8 *) opt0) + old_option_size);
}
else
{
next_tlv_md2:
opt0 = (nsh_md2_data_t *) (((u8 *) opt0) + old_option_size);
}
}
}
nsh_entry->rewrite = rw;
nsh_base->length = (nsh_base->length & NSH_TTL_L2_MASK) |
((nsh_entry->rewrite_size >> 2) & NSH_LEN_MASK);
return 0;
}
extern vnet_hw_interface_class_t nsh_hw_class;
/**
* Action function to add or del an nsh map.
* Shared by both CLI and binary API
**/
int
nsh_add_del_map (nsh_add_del_map_args_t * a, u32 * map_indexp)
{
nsh_main_t *nm = &nsh_main;
vnet_main_t *vnm = nm->vnet_main;
nsh_map_t *map = 0;
u32 key, *key_copy;
uword *entry;
hash_pair_t *hp;
u32 map_index = ~0;
vnet_hw_interface_t *hi;
u32 nsh_hw_if = ~0;
u32 nsh_sw_if = ~0;
/* net order, so data plane could use nsh header to lookup directly */
key = clib_host_to_net_u32 (a->map.nsp_nsi);
entry = hash_get_mem (nm->nsh_mapping_by_key, &key);
if (a->is_add)
{
/* adding an entry, must not already exist */
if (entry)
return -1; //TODO API_ERROR_INVALID_VALUE;
pool_get_aligned (nm->nsh_mappings, map, CLIB_CACHE_LINE_BYTES);
clib_memset (map, 0, sizeof (*map));
/* copy from arg structure */
map->nsp_nsi = a->map.nsp_nsi;
map->mapped_nsp_nsi = a->map.mapped_nsp_nsi;
map->nsh_action = a->map.nsh_action;
map->sw_if_index = a->map.sw_if_index;
map->rx_sw_if_index = a->map.rx_sw_if_index;
map->next_node = a->map.next_node;
map->adj_index = a->map.adj_index;
key_copy = clib_mem_alloc (sizeof (*key_copy));
clib_memcpy (key_copy, &key, sizeof (*key_copy));
hash_set_mem (nm->nsh_mapping_by_key, key_copy, map - nm->nsh_mappings);
map_index = map - nm->nsh_mappings;
if (vec_len (nm->free_nsh_tunnel_hw_if_indices) > 0)
{
nsh_hw_if = nm->free_nsh_tunnel_hw_if_indices
[vec_len (nm->free_nsh_tunnel_hw_if_indices) - 1];
_vec_len (nm->free_nsh_tunnel_hw_if_indices) -= 1;
hi = vnet_get_hw_interface (vnm, nsh_hw_if);
hi->dev_instance = map_index;
hi->hw_instance = hi->dev_instance;
}
else
{
nsh_hw_if = vnet_register_interface
(vnm, nsh_device_class.index, map_index, nsh_hw_class.index,
map_index);
hi = vnet_get_hw_interface (vnm, nsh_hw_if);
hi->output_node_index = nsh_aware_vnf_proxy_node.index;
}
map->nsh_hw_if = nsh_hw_if;
map->nsh_sw_if = nsh_sw_if = hi->sw_if_index;
vec_validate_init_empty (nm->tunnel_index_by_sw_if_index, nsh_sw_if,
~0);
nm->tunnel_index_by_sw_if_index[nsh_sw_if] = key;
vnet_sw_interface_set_flags (vnm, hi->sw_if_index,
VNET_SW_INTERFACE_FLAG_ADMIN_UP);
}
else
{
if (!entry)
return -2; //TODO API_ERROR_NO_SUCH_ENTRY;
map = pool_elt_at_index (nm->nsh_mappings, entry[0]);
vnet_sw_interface_set_flags (vnm, map->nsh_sw_if,
VNET_SW_INTERFACE_FLAG_ADMIN_DOWN);
vec_add1 (nm->free_nsh_tunnel_hw_if_indices, map->nsh_sw_if);
nm->tunnel_index_by_sw_if_index[map->nsh_sw_if] = ~0;
hp = hash_get_pair (nm->nsh_mapping_by_key, &key);
key_copy = (void *) (hp->key);
hash_unset_mem (nm->nsh_mapping_by_key, &key);
clib_mem_free (key_copy);
pool_put (nm->nsh_mappings, map);
}
if (map_indexp)
*map_indexp = map_index;
return 0;
}
/**
* Action function to add or del an nsh-proxy-session.
* Shared by both CLI and binary API
**/
int
nsh_add_del_proxy_session (nsh_add_del_map_args_t * a)
{
nsh_main_t *nm = &nsh_main;
nsh_proxy_session_t *proxy = 0;
nsh_proxy_session_by_key_t key, *key_copy;
uword *entry;
hash_pair_t *hp;
u32 nsp = 0, nsi = 0;
clib_memset (&key, 0, sizeof (key));
key.transport_type = a->map.next_node;
key.transport_index = a->map.sw_if_index;
entry = hash_get_mem (nm->nsh_proxy_session_by_key, &key);
if (a->is_add)
{
/* adding an entry, must not already exist */
if (entry)
return -1; //TODO API_ERROR_INVALID_VALUE;
pool_get_aligned (nm->nsh_proxy_sessions, proxy, CLIB_CACHE_LINE_BYTES);
clib_memset (proxy, 0, sizeof (*proxy));
/* Nsi needs to minus 1 within NSH-Proxy */
nsp = (a->map.nsp_nsi >> NSH_NSP_SHIFT) & NSH_NSP_MASK;
nsi = a->map.nsp_nsi & NSH_NSI_MASK;
if (nsi == 0)
return -1;
nsi = nsi - 1;
/* net order, so could use it to lookup nsh map table directly */
proxy->nsp_nsi = clib_host_to_net_u32 ((nsp << NSH_NSP_SHIFT) | nsi);
key_copy = clib_mem_alloc (sizeof (*key_copy));
clib_memcpy (key_copy, &key, sizeof (*key_copy));
hash_set_mem (nm->nsh_proxy_session_by_key, key_copy,
proxy - nm->nsh_proxy_sessions);
}
else
{
if (!entry)
return -2; //TODO API_ERROR_NO_SUCH_ENTRY;
proxy = pool_elt_at_index (nm->nsh_proxy_sessions, entry[0]);
hp = hash_get_pair (nm->nsh_proxy_session_by_key, &key);
key_copy = (void *) (hp->key);
hash_unset_mem (nm->nsh_proxy_session_by_key, &key);
clib_mem_free (key_copy);
pool_put (nm->nsh_proxy_sessions, proxy);
}
return 0;
}
/**
* Action function for adding an NSH entry
* nsh_add_del_entry_args_t *a: host order
*/
int
nsh_add_del_entry (nsh_add_del_entry_args_t * a, u32 * entry_indexp)
{
nsh_main_t *nm = &nsh_main;
nsh_entry_t *nsh_entry = 0;
u32 key, *key_copy;
uword *entry_id;
hash_pair_t *hp;
u32 entry_index = ~0;
u8 tlvs_len = 0;
u8 *data = 0;
/* host order, because nsh map table stores nsp_nsi in host order */
key = a->nsh_entry.nsh_base.nsp_nsi;
entry_id = hash_get_mem (nm->nsh_entry_by_key, &key);
if (a->is_add)
{
/* adding an entry, must not already exist */
if (entry_id)
return -1; // TODO VNET_API_ERROR_INVALID_VALUE;
pool_get_aligned (nm->nsh_entries, nsh_entry, CLIB_CACHE_LINE_BYTES);
clib_memset (nsh_entry, 0, sizeof (*nsh_entry));
/* copy from arg structure */
#define _(x) nsh_entry->nsh_base.x = a->nsh_entry.nsh_base.x;
foreach_copy_nsh_base_hdr_field;
#undef _
if (a->nsh_entry.nsh_base.md_type == 1)
{
nsh_entry->md.md1_data.c1 = a->nsh_entry.md.md1_data.c1;
nsh_entry->md.md1_data.c2 = a->nsh_entry.md.md1_data.c2;
nsh_entry->md.md1_data.c3 = a->nsh_entry.md.md1_data.c3;
nsh_entry->md.md1_data.c4 = a->nsh_entry.md.md1_data.c4;
}
else if (a->nsh_entry.nsh_base.md_type == 2)
{
vec_free (nsh_entry->tlvs_data);
tlvs_len = a->nsh_entry.tlvs_len;
vec_validate_aligned (data, tlvs_len - 1, CLIB_CACHE_LINE_BYTES);
clib_memcpy (data, a->nsh_entry.tlvs_data, tlvs_len);
nsh_entry->tlvs_data = data;
nsh_entry->tlvs_len = tlvs_len;
vec_free (a->nsh_entry.tlvs_data);
}
nsh_header_rewrite (nsh_entry);
key_copy = clib_mem_alloc (sizeof (*key_copy));
clib_memcpy (key_copy, &key, sizeof (*key_copy));
hash_set_mem (nm->nsh_entry_by_key, key_copy,
nsh_entry - nm->nsh_entries);
entry_index = nsh_entry - nm->nsh_entries;
}
else
{
if (!entry_id)
return -2; //TODO API_ERROR_NO_SUCH_ENTRY;
nsh_entry = pool_elt_at_index (nm->nsh_entries, entry_id[0]);
hp = hash_get_pair (nm->nsh_entry_by_key, &key);
key_copy = (void *) (hp->key);
hash_unset_mem (nm->nsh_entry_by_key, &key);
clib_mem_free (key_copy);
vec_free (nsh_entry->tlvs_data);
vec_free (nsh_entry->rewrite);
pool_put (nm->nsh_entries, nsh_entry);
}
if (entry_indexp)
*entry_indexp = entry_index;
return 0;
}
/** API message handler */
static void vl_api_nsh_add_del_entry_t_handler
(vl_api_nsh_add_del_entry_t * mp)
{
vl_api_nsh_add_del_entry_reply_t *rmp;
nsh_main_t *nm = &nsh_main;
int rv;
nsh_add_del_entry_args_t _a, *a = &_a;
u32 entry_index = ~0;
u8 tlvs_len = 0;
u8 *data = 0;
a->is_add = mp->is_add;
a->nsh_entry.nsh_base.ver_o_c =
(mp->ver_o_c & 0xF0) | ((mp->ttl & NSH_LEN_MASK) >> 2);
a->nsh_entry.nsh_base.length =
(mp->length & NSH_LEN_MASK) | ((mp->ttl & 0x3) << 6);
a->nsh_entry.nsh_base.md_type = mp->md_type;
a->nsh_entry.nsh_base.next_protocol = mp->next_protocol;
a->nsh_entry.nsh_base.nsp_nsi = ntohl (mp->nsp_nsi);
if (mp->md_type == 1)
{
a->nsh_entry.md.md1_data.c1 = ntohl (mp->c1);
a->nsh_entry.md.md1_data.c2 = ntohl (mp->c2);
a->nsh_entry.md.md1_data.c3 = ntohl (mp->c3);
a->nsh_entry.md.md1_data.c4 = ntohl (mp->c4);
}
else if (mp->md_type == 2)
{
tlvs_len = mp->tlv_length;
vec_validate_aligned (data, tlvs_len - 1, CLIB_CACHE_LINE_BYTES);
clib_memcpy (data, mp->tlv, tlvs_len);
a->nsh_entry.tlvs_data = data;
a->nsh_entry.tlvs_len = tlvs_len;
}
rv = nsh_add_del_entry (a, &entry_index);
REPLY_MACRO2 (VL_API_NSH_ADD_DEL_ENTRY_REPLY, (
{
rmp->entry_index =
htonl (entry_index);
}
));
}
static void
vl_api_nsh_entry_dump_t_handler (vl_api_nsh_entry_dump_t * mp)
{
unix_shared_memory_queue_t *q;
nsh_main_t *nm = &nsh_main;
nsh_entry_t *t;
u32 entry_index;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
{
return;
}
entry_index = ntohl (mp->entry_index);
if (~0 == entry_index)
{
pool_foreach (t, nm->nsh_entries, (
{
send_nsh_entry_details (t, q,
mp->context);
}
));
}
else
{
if (entry_index >= vec_len (nm->nsh_entries))
{
return;
}
t = &nm->nsh_entries[entry_index];
send_nsh_entry_details (t, q, mp->context);
}
}
static void
setup_message_id_table (nsh_main_t * nm, api_main_t * am)
{
#define _(id,n,crc) \
vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + nm->msg_id_base);
foreach_vl_msg_name_crc_nsh;
#undef _
}
/* Set up the API message handling tables */
static clib_error_t *
nsh_plugin_api_hookup (vlib_main_t * vm)
{
nsh_main_t *nm __attribute__ ((unused)) = &nsh_main;
#define _(N,n) \
vl_msg_api_set_handlers((VL_API_##N + nm->msg_id_base), \
#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_nsh_plugin_api_msg;
#undef _
return 0;
}
clib_error_t *
nsh_api_init (vlib_main_t * vm, nsh_main_t * nm)
{
clib_error_t *error;
u8 *name;
name = format (0, "nsh_%08x%c", api_version, 0);
/* Set up the API */
nm->msg_id_base = vl_msg_api_get_msg_ids
((char *) name, VL_MSG_FIRST_AVAILABLE);
error = nsh_plugin_api_hookup (vm);
/* Add our API messages to the global name_crc hash table */
setup_message_id_table (nm, &api_main);
vec_free (name);
return error;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
Mohsin Kazmi
Dave Barach