diff options
Diffstat (limited to 'src/plugins/map/map_api.c')
| -rw-r--r-- | src/plugins/map/map_api.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/src/plugins/map/map_api.c b/src/plugins/map/map_api.c new file mode 100644 index 00000000000..90dbd1bcfd6 --- /dev/null +++ b/src/plugins/map/map_api.c @@ -0,0 +1,311 @@ +/* + *------------------------------------------------------------------ + * map_api.c - vnet map 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 <map/map.h> +#include <map/map_msg_enum.h> +#include <vnet/ip/ip.h> +#include <vnet/fib/fib_table.h> +#include <vlibmemory/api.h> + +#define vl_typedefs /* define message structures */ +#include <map/map_all_api_h.h> +#undef vl_typedefs + +#define vl_endianfun /* define message structures */ +#include <map/map_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 <map/map_all_api_h.h> +#undef vl_printfun + +/* Get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <map/map_all_api_h.h> +#undef vl_api_version + +#define REPLY_MSG_ID_BASE mm->msg_id_base +#include <vlibapi/api_helper_macros.h> + +static void +vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp) +{ + map_main_t *mm = &map_main; + vl_api_map_add_domain_reply_t *rmp; + int rv = 0; + u32 index; + u8 flags = 0; + + if (mp->is_translation) + flags |= MAP_DOMAIN_TRANSLATION; + + if (mp->is_rfc6052) + flags |= MAP_DOMAIN_RFC6052; + + rv = + map_create_domain ((ip4_address_t *) & mp->ip4_prefix, mp->ip4_prefix_len, + (ip6_address_t *) & mp->ip6_prefix, mp->ip6_prefix_len, + (ip6_address_t *) & mp->ip6_src, + mp->ip6_src_prefix_len, mp->ea_bits_len, + mp->psid_offset, mp->psid_length, &index, + ntohs (mp->mtu), flags); + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY, + ({ + rmp->index = ntohl(index); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_map_del_domain_t_handler (vl_api_map_del_domain_t * mp) +{ + map_main_t *mm = &map_main; + vl_api_map_del_domain_reply_t *rmp; + int rv = 0; + + rv = map_delete_domain (ntohl (mp->index)); + + REPLY_MACRO (VL_API_MAP_DEL_DOMAIN_REPLY); +} + +static void +vl_api_map_add_del_rule_t_handler (vl_api_map_add_del_rule_t * mp) +{ + map_main_t *mm = &map_main; + vl_api_map_del_domain_reply_t *rmp; + int rv = 0; + + rv = + map_add_del_psid (ntohl (mp->index), ntohs (mp->psid), + (ip6_address_t *) mp->ip6_dst, mp->is_add); + + REPLY_MACRO (VL_API_MAP_ADD_DEL_RULE_REPLY); +} + +static void +vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp) +{ + vl_api_map_domain_details_t *rmp; + map_main_t *mm = &map_main; + map_domain_t *d; + vl_api_registration_t *reg; + + if (pool_elts (mm->domains) == 0) + return; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + /* *INDENT-OFF* */ + pool_foreach(d, mm->domains, + ({ + /* Make sure every field is initiated (or don't skip the memset()) */ + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = htons(VL_API_MAP_DOMAIN_DETAILS + mm->msg_id_base); + rmp->context = mp->context; + rmp->domain_index = htonl(d - mm->domains); + clib_memcpy(rmp->ip6_prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix)); + clib_memcpy(rmp->ip4_prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix)); + clib_memcpy(rmp->ip6_src, &d->ip6_src, sizeof(rmp->ip6_src)); + rmp->ip6_prefix_len = d->ip6_prefix_len; + rmp->ip4_prefix_len = d->ip4_prefix_len; + rmp->ip6_src_len = d->ip6_src_len; + rmp->ea_bits_len = d->ea_bits_len; + rmp->psid_offset = d->psid_offset; + rmp->psid_length = d->psid_length; + rmp->flags = d->flags; + rmp->mtu = htons(d->mtu); + rmp->is_translation = (d->flags & MAP_DOMAIN_TRANSLATION); // Redundant + + vl_api_send_msg (reg, (u8 *) rmp); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp) +{ + vl_api_registration_t *reg; + u16 i; + ip6_address_t dst; + vl_api_map_rule_details_t *rmp; + map_main_t *mm = &map_main; + u32 domain_index = ntohl (mp->domain_index); + map_domain_t *d; + + if (pool_elts (mm->domains) == 0) + return; + + d = pool_elt_at_index (mm->domains, domain_index); + if (!d || !d->rules) + { + return; + } + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + for (i = 0; i < (0x1 << d->psid_length); i++) + { + dst = d->rules[i]; + if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0) + { + continue; + } + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_MAP_RULE_DETAILS + mm->msg_id_base); + rmp->psid = htons (i); + clib_memcpy (rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst)); + rmp->context = mp->context; + vl_api_send_msg (reg, (u8 *) rmp); + } +} + +static void +vl_api_map_summary_stats_t_handler (vl_api_map_summary_stats_t * mp) +{ + vl_api_map_summary_stats_reply_t *rmp; + vlib_combined_counter_main_t *cm; + vlib_counter_t v; + int i, which; + u64 total_pkts[VLIB_N_RX_TX]; + u64 total_bytes[VLIB_N_RX_TX]; + map_main_t *mm = &map_main; + vl_api_registration_t *reg; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = htons (VL_API_MAP_SUMMARY_STATS_REPLY + mm->msg_id_base); + rmp->context = mp->context; + rmp->retval = 0; + + if (pool_elts (mm->domains) == 0) + { + rmp->retval = -1; + goto out; + } + + memset (total_pkts, 0, sizeof (total_pkts)); + memset (total_bytes, 0, sizeof (total_bytes)); + + map_domain_counter_lock (mm); + vec_foreach (cm, mm->domain_counters) + { + which = cm - mm->domain_counters; + + for (i = 0; i < vlib_combined_counter_n_counters (cm); i++) + { + vlib_get_combined_counter (cm, i, &v); + total_pkts[which] += v.packets; + total_bytes[which] += v.bytes; + } + } + + map_domain_counter_unlock (mm); + + /* Note: in network byte order! */ + rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] = + clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_RX]); + rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] = + clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_RX]); + rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] = + clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_TX]); + rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] = + clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_TX]); + rmp->total_bindings = clib_host_to_net_u64 (pool_elts (mm->domains)); + rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter. + rmp->total_security_check[MAP_DOMAIN_COUNTER_TX] = + clib_host_to_net_u64 (map_error_counter_get + (ip4_map_node.index, MAP_ERROR_ENCAP_SEC_CHECK)); + rmp->total_security_check[MAP_DOMAIN_COUNTER_RX] = + clib_host_to_net_u64 (map_error_counter_get + (ip4_map_node.index, MAP_ERROR_DECAP_SEC_CHECK)); + +out: + vl_api_send_msg (reg, (u8 *) rmp); +} + +#define foreach_map_plugin_api_msg \ +_(MAP_ADD_DOMAIN, map_add_domain) \ +_(MAP_DEL_DOMAIN, map_del_domain) \ +_(MAP_ADD_DEL_RULE, map_add_del_rule) \ +_(MAP_DOMAIN_DUMP, map_domain_dump) \ +_(MAP_RULE_DUMP, map_rule_dump) \ +_(MAP_SUMMARY_STATS, map_summary_stats) + +#define vl_msg_name_crc_list +#include <map/map_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (map_main_t * mm, api_main_t * am) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + mm->msg_id_base); + foreach_vl_msg_name_crc_map; +#undef _ +} + +/* Set up the API message handling tables */ +clib_error_t * +map_plugin_api_hookup (vlib_main_t * vm) +{ + map_main_t *mm = &map_main; + u8 *name = format (0, "map_%08x%c", api_version, 0); + + /* Ask for a correctly-sized block of API message decode slots */ + mm->msg_id_base = + vl_msg_api_get_msg_ids ((char *) name, VL_MSG_FIRST_AVAILABLE); +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + mm->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_map_plugin_api_msg; +#undef _ + + /* + * Set up the (msg_name, crc, message-id) table + */ + setup_message_id_table (mm, &api_main); + + vec_free (name); + return 0; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |