diff options
Diffstat (limited to 'src/plugins/nsh/nsh_api.c')
| -rw-r--r-- | src/plugins/nsh/nsh_api.c | 724 |
1 files changed, 724 insertions, 0 deletions
diff --git a/src/plugins/nsh/nsh_api.c b/src/plugins/nsh/nsh_api.c new file mode 100644 index 00000000000..72ca2d28671 --- /dev/null +++ b/src/plugins/nsh/nsh_api.c @@ -0,0 +1,724 @@ +/* + * 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 + +/* + * A handy macro to set up a message reply. + * Assumes that the following variables are available: + * mp - pointer to request message + * rmp - pointer to reply message type + * rv - return value + */ + +#define REPLY_MACRO(t) \ + do { \ + unix_shared_memory_queue_t * q = \ + vl_api_client_index_to_input_queue (mp->client_index); \ + if (!q) \ + return; \ + \ + rmp = vl_msg_api_alloc (sizeof (*rmp)); \ + rmp->_vl_msg_id = ntohs((t)+nm->msg_id_base); \ + rmp->context = mp->context; \ + rmp->retval = ntohl(rv); \ + \ + vl_msg_api_send_shmem (q, (u8 *)&rmp); \ + } while(0); + +#define REPLY_MACRO2(t, body) \ + do { \ + unix_shared_memory_queue_t * q; \ + rv = vl_msg_api_pd_handler (mp, rv); \ + q = vl_api_client_index_to_input_queue (mp->client_index); \ + if (!q) \ + return; \ + \ + rmp = vl_msg_api_alloc (sizeof (*rmp)); \ + rmp->_vl_msg_id = ntohs((t)+nm->msg_id_base); \ + rmp->context = mp->context; \ + rmp->retval = ntohl(rv); \ + do {body;} while (0); \ + vl_msg_api_send_shmem (q, (u8 *)&rmp); \ + } while(0); + +/* 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) + +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_device_class_t nsh_device_class; +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: + */ |