/* *------------------------------------------------------------------ * policer_api.c - policer 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 <vlibmemory/api.h> #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/policer/policer.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 \ _(POLICER_ADD_DEL, policer_add_del) \ _(POLICER_DUMP, policer_dump) static void vl_api_policer_add_del_t_handler (vl_api_policer_add_del_t * mp) { vlib_main_t *vm = vlib_get_main (); vl_api_policer_add_del_reply_t *rmp; int rv = 0; u8 *name = NULL; sse2_qos_pol_cfg_params_st cfg; clib_error_t *error; u32 policer_index; name = format (0, "%s", mp->name); vec_terminate_c_string (name); clib_memset (&cfg, 0, sizeof (cfg)); cfg.rfc = mp->type; cfg.rnd_type = mp->round_type; cfg.rate_type = mp->rate_type; cfg.rb.kbps.cir_kbps = ntohl (mp->cir); cfg.rb.kbps.eir_kbps = ntohl (mp->eir); cfg.rb.kbps.cb_bytes = clib_net_to_host_u64 (mp->cb); cfg.rb.kbps.eb_bytes = clib_net_to_host_u64 (mp->eb); cfg.conform_action.action_type = mp->conform_action_type; cfg.conform_action.dscp = mp->conform_dscp; cfg.exceed_action.action_type = mp->exceed_action_type; cfg.exceed_action.dscp = mp->exceed_dscp; cfg.violate_action.action_type = mp->violate_action_type; cfg.violate_action.dscp = mp->violate_dscp; cfg.color_aware = mp->color_aware; error = policer_add_del (vm, name, &cfg, &policer_index, mp->is_add); if (error) rv = VNET_API_ERROR_UNSPECIFIED; /* *INDENT-OFF* */ REPLY_MACRO2(VL_API_POLICER_ADD_DEL_REPLY, ({ if (rv == 0 && mp->is_add) rmp->policer_index = ntohl(policer_index); else rmp->policer_index = ~0; })); /* *INDENT-ON* */ } static void send_policer_details (u8 * name, sse2_qos_pol_cfg_params_st * config, policer_read_response_type_st * templ, vl_api_registration_t * reg, u32 context) { vl_api_policer_details_t *mp; mp = vl_msg_api_alloc (sizeof (*mp)); clib_memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_POLICER_DETAILS); mp->context = context; mp->cir = htonl (config->rb.kbps.cir_kbps); mp->eir = htonl (config->rb.kbps.eir_kbps); mp->cb = clib_host_to_net_u64 (config->rb.kbps.cb_bytes); mp->eb = clib_host_to_net_u64 (config->rb.kbps.eb_bytes); mp->rate_type = config->rate_type; mp->round_type = config->rnd_type; mp->type = config->rfc; mp->conform_action_type = config->conform_action.action_type; mp->conform_dscp = config->conform_action.dscp; mp->exceed_action_type = config->exceed_action.action_type; mp->exceed_dscp = config->exceed_action.dscp; mp->violate_action_type = config->violate_action.action_type; mp->violate_dscp = config->violate_action.dscp; mp->single_rate = templ->single_rate ? 1 : 0; mp->color_aware = templ->color_aware ? 1 : 0; mp->scale = htonl (templ->scale); mp->cir_tokens_per_period = htonl (templ->cir_tokens_per_period); mp->pir_tokens_per_period = htonl (templ->pir_tokens_per_period); mp->current_limit = htonl (templ->current_limit); mp->current_bucket = htonl (templ->current_bucket); mp->extended_limit = htonl (templ->extended_limit); mp->extended_bucket = htonl (templ->extended_bucket); mp->last_update_time = clib_host_to_net_u64 (templ->last_update_time); strncpy ((char *) mp->name, (char *) name, ARRAY_LEN (mp->name) - 1); vl_api_send_msg (reg, (u8 *) mp); } static void vl_api_policer_dump_t_handler (vl_api_policer_dump_t * mp) { vl_api_registration_t *reg; vnet_policer_main_t *pm = &vnet_policer_main; hash_pair_t *hp; uword *p; u32 pool_index; u8 *match_name = 0; u8 *name; sse2_qos_pol_cfg_params_st *config; policer_read_response_type_st *templ; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; if (mp->match_name_valid) { match_name = format (0, "%s%c", mp->match_name, 0); vec_terminate_c_string (match_name); } if (mp->match_name_valid) { p = hash_get_mem (pm->policer_config_by_name, match_name); if (p) { pool_index = p[0]; config = pool_elt_at_index (pm->configs, pool_index); templ = pool_elt_at_index (pm->policer_templates, pool_index); send_policer_details (match_name, config, templ, reg, mp->context); } } else { /* *INDENT-OFF* */ hash_foreach_pair (hp, pm->policer_config_by_name, ({ name = (u8 *) hp->key; pool_index = hp->value[0]; config = pool_elt_at_index (pm->configs, pool_index); templ = pool_elt_at_index (pm->policer_templates, pool_index); send_policer_details(name, config, templ, reg, mp->context); })); /* *INDENT-ON* */ } } /* * policer_api_hookup * Add vpe's API message handlers to the table. * vlib has already 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_policer; #undef _ } static clib_error_t * policer_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 _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_API_INIT_FUNCTION (policer_api_hookup); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */