| /* |
| *------------------------------------------------------------------ |
| * l2_api.c - layer 2 forwarding 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/l2/l2_input.h> |
| #include <vnet/l2/l2_fib.h> |
| #include <vnet/l2/l2_vtr.h> |
| #include <vnet/l2/l2_learn.h> |
| #include <vnet/l2/l2_bd.h> |
| #include <vnet/l2/l2_bvi.h> |
| #include <vnet/l2/l2_arp_term.h> |
| #include <vnet/ip/ip_types_api.h> |
| #include <vnet/ethernet/ethernet_types_api.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 \ |
| _ (L2_XCONNECT_DUMP, l2_xconnect_dump) \ |
| _ (L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \ |
| _ (L2_FIB_TABLE_DUMP, l2_fib_table_dump) \ |
| _ (L2FIB_FLUSH_ALL, l2fib_flush_all) \ |
| _ (L2FIB_FLUSH_INT, l2fib_flush_int) \ |
| _ (L2FIB_FLUSH_BD, l2fib_flush_bd) \ |
| _ (L2FIB_ADD_DEL, l2fib_add_del) \ |
| _ (L2FIB_SET_SCAN_DELAY, l2fib_set_scan_delay) \ |
| _ (WANT_L2_MACS_EVENTS, want_l2_macs_events) \ |
| _ (WANT_L2_MACS_EVENTS2, want_l2_macs_events2) \ |
| _ (L2_FLAGS, l2_flags) \ |
| _ (SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect) \ |
| _ (SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge) \ |
| _ (L2_PATCH_ADD_DEL, l2_patch_add_del) \ |
| _ (L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter) \ |
| _ (BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del) \ |
| _ (BD_IP_MAC_FLUSH, bd_ip_mac_flush) \ |
| _ (BD_IP_MAC_DUMP, bd_ip_mac_dump) \ |
| _ (BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del) \ |
| _ (BRIDGE_DOMAIN_DUMP, bridge_domain_dump) \ |
| _ (BRIDGE_FLAGS, bridge_flags) \ |
| _ (L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite) \ |
| _ (L2_INTERFACE_PBB_TAG_REWRITE, l2_interface_pbb_tag_rewrite) \ |
| _ (BRIDGE_DOMAIN_SET_MAC_AGE, bridge_domain_set_mac_age) \ |
| _ (SW_INTERFACE_SET_VPATH, sw_interface_set_vpath) \ |
| _ (BVI_CREATE, bvi_create) \ |
| _ (BVI_DELETE, bvi_delete) \ |
| _ (WANT_L2_ARP_TERM_EVENTS, want_l2_arp_term_events) \ |
| _ (BRIDGE_DOMAIN_SET_LEARN_LIMIT, bridge_domain_set_learn_limit) \ |
| _ (BRIDGE_DOMAIN_SET_DEFAULT_LEARN_LIMIT, \ |
| bridge_domain_set_default_learn_limit) |
| |
| static void |
| send_l2_xconnect_details (vl_api_registration_t * reg, u32 context, |
| u32 rx_sw_if_index, u32 tx_sw_if_index) |
| { |
| vl_api_l2_xconnect_details_t *mp; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp)); |
| clib_memset (mp, 0, sizeof (*mp)); |
| mp->_vl_msg_id = ntohs (VL_API_L2_XCONNECT_DETAILS); |
| mp->context = context; |
| mp->rx_sw_if_index = htonl (rx_sw_if_index); |
| mp->tx_sw_if_index = htonl (tx_sw_if_index); |
| |
| vl_api_send_msg (reg, (u8 *) mp); |
| } |
| |
| static void |
| vl_api_l2_xconnect_dump_t_handler (vl_api_l2_xconnect_dump_t * mp) |
| { |
| vl_api_registration_t *reg; |
| l2input_main_t *l2im = &l2input_main; |
| u32 sw_if_index; |
| l2_input_config_t *config; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* *INDENT-OFF* */ |
| vec_foreach_index (sw_if_index, l2im->configs) |
| { |
| config = vec_elt_at_index (l2im->configs, sw_if_index); |
| if (l2_input_is_xconnect (config)) |
| send_l2_xconnect_details (reg, mp->context, sw_if_index, |
| config->output_sw_if_index); |
| } |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t * mp) |
| { |
| int rv = 0; |
| vl_api_l2_fib_clear_table_reply_t *rmp; |
| |
| /* Clear all MACs including static MACs */ |
| l2fib_clear_table (); |
| |
| REPLY_MACRO (VL_API_L2_FIB_CLEAR_TABLE_REPLY); |
| } |
| |
| static void |
| send_l2fib_table_entry (vpe_api_main_t * am, |
| vl_api_registration_t * reg, |
| l2fib_entry_key_t * l2fe_key, |
| l2fib_entry_result_t * l2fe_res, u32 context) |
| { |
| vl_api_l2_fib_table_details_t *mp; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp)); |
| clib_memset (mp, 0, sizeof (*mp)); |
| mp->_vl_msg_id = ntohs (VL_API_L2_FIB_TABLE_DETAILS); |
| |
| mp->bd_id = |
| ntohl (l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id); |
| |
| mac_address_encode ((mac_address_t *) l2fe_key->fields.mac, mp->mac); |
| mp->sw_if_index = ntohl (l2fe_res->fields.sw_if_index); |
| mp->static_mac = (l2fib_entry_result_is_set_STATIC (l2fe_res) ? 1 : 0); |
| mp->filter_mac = (l2fib_entry_result_is_set_FILTER (l2fe_res) ? 1 : 0); |
| mp->bvi_mac = (l2fib_entry_result_is_set_BVI (l2fe_res) ? 1 : 0); |
| mp->context = context; |
| |
| vl_api_send_msg (reg, (u8 *) mp); |
| } |
| |
| static void |
| vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t * mp) |
| { |
| vpe_api_main_t *am = &vpe_api_main; |
| bd_main_t *bdm = &bd_main; |
| l2fib_entry_key_t *l2fe_key = NULL; |
| l2fib_entry_result_t *l2fe_res = NULL; |
| u32 ni, bd_id = ntohl (mp->bd_id); |
| u32 bd_index; |
| vl_api_registration_t *reg; |
| uword *p; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* see l2fib_table_dump: ~0 means "any" */ |
| if (bd_id == ~0) |
| bd_index = ~0; |
| else |
| { |
| p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| return; |
| |
| bd_index = p[0]; |
| } |
| |
| l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res); |
| |
| vec_foreach_index (ni, l2fe_key) |
| { |
| send_l2fib_table_entry (am, reg, vec_elt_at_index (l2fe_key, ni), |
| vec_elt_at_index (l2fe_res, ni), mp->context); |
| } |
| vec_free (l2fe_key); |
| vec_free (l2fe_res); |
| } |
| |
| static void |
| vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp) |
| { |
| bd_main_t *bdm = &bd_main; |
| l2input_main_t *l2im = &l2input_main; |
| vl_api_l2fib_add_del_reply_t *rmp; |
| int rv = 0; |
| u32 bd_id = ntohl (mp->bd_id); |
| uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| |
| if (!p) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto bad_sw_if_index; |
| } |
| u32 bd_index = p[0]; |
| |
| mac_address_t mac; |
| |
| mac_address_decode (mp->mac, &mac); |
| if (mp->is_add) |
| { |
| if (mp->filter_mac) |
| l2fib_add_filter_entry (mac.bytes, bd_index); |
| else |
| { |
| l2fib_entry_result_flags_t flags = L2FIB_ENTRY_RESULT_FLAG_NONE; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| VALIDATE_SW_IF_INDEX (mp); |
| if (vec_len (l2im->configs) <= sw_if_index) |
| { |
| rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; |
| goto bad_sw_if_index; |
| } |
| else |
| { |
| l2_input_config_t *config; |
| config = vec_elt_at_index (l2im->configs, sw_if_index); |
| if (!l2_input_is_bridge (config)) |
| { |
| rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; |
| goto bad_sw_if_index; |
| } |
| } |
| if (mp->static_mac) |
| flags |= L2FIB_ENTRY_RESULT_FLAG_STATIC; |
| if (mp->bvi_mac) |
| flags |= L2FIB_ENTRY_RESULT_FLAG_BVI; |
| l2fib_add_entry (mac.bytes, bd_index, sw_if_index, flags); |
| } |
| } |
| else |
| { |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| if (l2fib_del_entry (mac.bytes, bd_index, sw_if_index)) |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| } |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_L2FIB_ADD_DEL_REPLY); |
| } |
| |
| static void |
| vl_api_want_l2_macs_events2_t_handler (vl_api_want_l2_macs_events2_t *mp) |
| { |
| int rv = 0; |
| vl_api_want_l2_macs_events2_reply_t *rmp; |
| l2learn_main_t *lm = &l2learn_main; |
| l2fib_main_t *fm = &l2fib_main; |
| u32 pid = ntohl (mp->pid); |
| |
| if (mp->enable_disable) |
| { |
| if ((lm->client_pid == 0) || (lm->client_pid == pid)) |
| { |
| if (mp->max_macs_in_event) |
| fm->max_macs_in_event = mp->max_macs_in_event * 10; |
| else |
| { |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| goto exit; |
| } |
| |
| /* if scan_delay was not set before */ |
| if (fm->event_scan_delay == 0.0) |
| fm->event_scan_delay = (f64) (10) * 10e-3; |
| |
| lm->client_pid = pid; |
| lm->client_index = mp->client_index; |
| l2fib_flush_all_mac (vlib_get_main ()); |
| } |
| else if (lm->client_pid != pid) |
| { |
| rv = VNET_API_ERROR_L2_MACS_EVENT_CLINET_PRESENT; |
| goto exit; |
| } |
| } |
| else if (lm->client_pid) |
| { |
| lm->client_pid = 0; |
| lm->client_index = 0; |
| } |
| |
| exit: |
| REPLY_MACRO (VL_API_WANT_L2_MACS_EVENTS2_REPLY); |
| } |
| |
| static void |
| vl_api_want_l2_macs_events_t_handler (vl_api_want_l2_macs_events_t *mp) |
| { |
| int rv = 0; |
| vl_api_want_l2_macs_events_reply_t *rmp; |
| l2learn_main_t *lm = &l2learn_main; |
| l2fib_main_t *fm = &l2fib_main; |
| u32 pid = ntohl (mp->pid); |
| u32 learn_limit = ntohl (mp->learn_limit); |
| |
| if (mp->enable_disable) |
| { |
| if ((lm->client_pid == 0) || (lm->client_pid == pid)) |
| { |
| if ((mp->max_macs_in_event == 0) || (mp->scan_delay == 0) || |
| (learn_limit == 0) || (learn_limit > L2LEARN_DEFAULT_LIMIT)) |
| { |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| goto exit; |
| } |
| lm->client_pid = pid; |
| lm->client_index = mp->client_index; |
| |
| fm->max_macs_in_event = mp->max_macs_in_event * 10; |
| fm->event_scan_delay = (f64) (mp->scan_delay) * 10e-3; |
| |
| /* change learn limit and flush all learned MACs */ |
| lm->global_learn_limit = learn_limit; |
| l2fib_flush_all_mac (vlib_get_main ()); |
| } |
| else if (lm->client_pid != pid) |
| { |
| rv = VNET_API_ERROR_L2_MACS_EVENT_CLINET_PRESENT; |
| goto exit; |
| } |
| } |
| else if (lm->client_pid) |
| { |
| lm->client_pid = 0; |
| lm->client_index = 0; |
| if (learn_limit && (learn_limit <= L2LEARN_DEFAULT_LIMIT)) |
| lm->global_learn_limit = learn_limit; |
| else |
| lm->global_learn_limit = L2LEARN_DEFAULT_LIMIT; |
| } |
| |
| exit: |
| REPLY_MACRO (VL_API_WANT_L2_MACS_EVENTS_REPLY); |
| } |
| |
| static void |
| vl_api_l2fib_flush_int_t_handler (vl_api_l2fib_flush_int_t * mp) |
| { |
| int rv = 0; |
| vlib_main_t *vm = vlib_get_main (); |
| vl_api_l2fib_flush_int_reply_t *rmp; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| l2fib_flush_int_mac (vm, sw_if_index); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| REPLY_MACRO (VL_API_L2FIB_FLUSH_INT_REPLY); |
| } |
| |
| static void |
| vl_api_l2fib_flush_all_t_handler (vl_api_l2fib_flush_all_t * mp) |
| { |
| int rv = 0; |
| vl_api_l2fib_flush_all_reply_t *rmp; |
| |
| l2fib_flush_all_mac (vlib_get_main ()); |
| REPLY_MACRO (VL_API_L2FIB_FLUSH_ALL_REPLY); |
| } |
| |
| static void |
| vl_api_l2fib_flush_bd_t_handler (vl_api_l2fib_flush_bd_t * mp) |
| { |
| int rv = 0; |
| vlib_main_t *vm = vlib_get_main (); |
| bd_main_t *bdm = &bd_main; |
| vl_api_l2fib_flush_bd_reply_t *rmp; |
| |
| u32 bd_id = ntohl (mp->bd_id); |
| uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto out; |
| } |
| l2fib_flush_bd_mac (vm, *p); |
| out: |
| REPLY_MACRO (VL_API_L2FIB_FLUSH_BD_REPLY); |
| } |
| |
| static void |
| vl_api_l2fib_set_scan_delay_t_handler (vl_api_l2fib_set_scan_delay_t *mp) |
| { |
| int rv = 0; |
| l2fib_main_t *fm = &l2fib_main; |
| vl_api_l2fib_set_scan_delay_reply_t *rmp; |
| u16 scan_delay = ntohs (mp->scan_delay); |
| |
| if (mp->scan_delay) |
| { |
| fm->event_scan_delay = (f64) (scan_delay) *10e-3; |
| l2fib_flush_all_mac (vlib_get_main ()); |
| } |
| else |
| { |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| goto exit; |
| } |
| |
| exit: |
| REPLY_MACRO (VL_API_L2FIB_SET_SCAN_DELAY_REPLY); |
| } |
| |
| static void |
| vl_api_l2_flags_t_handler (vl_api_l2_flags_t * mp) |
| { |
| vl_api_l2_flags_reply_t *rmp; |
| int rv = 0; |
| u32 rbm = 0; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| u32 flags = ntohl (mp->feature_bitmap); |
| u32 bitmap = 0; |
| |
| if (flags & L2_LEARN) |
| bitmap |= L2INPUT_FEAT_LEARN; |
| |
| if (flags & L2_FWD) |
| bitmap |= L2INPUT_FEAT_FWD; |
| |
| if (flags & L2_FLOOD) |
| bitmap |= L2INPUT_FEAT_FLOOD; |
| |
| if (flags & L2_UU_FLOOD) |
| bitmap |= L2INPUT_FEAT_UU_FLOOD; |
| |
| if (flags & L2_ARP_TERM) |
| bitmap |= L2INPUT_FEAT_ARP_TERM; |
| |
| rbm = l2input_intf_bitmap_enable (sw_if_index, bitmap, mp->is_set); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2(VL_API_L2_FLAGS_REPLY, |
| ({ |
| rmp->resulting_feature_bitmap = ntohl(rbm); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_bridge_domain_set_default_learn_limit_t_handler ( |
| vl_api_bridge_domain_set_default_learn_limit_t *mp) |
| { |
| vl_api_bridge_domain_set_default_learn_limit_reply_t *rmp; |
| int rv = 0; |
| |
| l2learn_main.bd_default_learn_limit = ntohl (mp->learn_limit); |
| REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_DEFAULT_LEARN_LIMIT_REPLY); |
| } |
| |
| static void |
| vl_api_bridge_domain_set_learn_limit_t_handler ( |
| vl_api_bridge_domain_set_learn_limit_t *mp) |
| { |
| vlib_main_t *vm = vlib_get_main (); |
| bd_main_t *bdm = &bd_main; |
| vl_api_bridge_domain_set_learn_limit_reply_t *rmp; |
| int rv = 0; |
| u32 bd_id = ntohl (mp->bd_id); |
| uword *p; |
| |
| if (bd_id == 0) |
| { |
| rv = VNET_API_ERROR_BD_NOT_MODIFIABLE; |
| goto out; |
| } |
| |
| p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto out; |
| } |
| bd_set_learn_limit (vm, *p, ntohl (mp->learn_limit)); |
| out: |
| REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_LEARN_LIMIT_REPLY); |
| } |
| |
| static void |
| vl_api_bridge_domain_set_mac_age_t_handler (vl_api_bridge_domain_set_mac_age_t |
| * mp) |
| { |
| vlib_main_t *vm = vlib_get_main (); |
| bd_main_t *bdm = &bd_main; |
| vl_api_bridge_domain_set_mac_age_reply_t *rmp; |
| int rv = 0; |
| u32 bd_id = ntohl (mp->bd_id); |
| uword *p; |
| |
| if (bd_id == 0) |
| { |
| rv = VNET_API_ERROR_BD_NOT_MODIFIABLE; |
| goto out; |
| } |
| |
| p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto out; |
| } |
| bd_set_mac_age (vm, *p, mp->mac_age); |
| out: |
| REPLY_MACRO (VL_API_BRIDGE_DOMAIN_SET_MAC_AGE_REPLY); |
| } |
| |
| static void |
| vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp) |
| { |
| l2_bridge_domain_add_del_args_t a = { |
| .is_add = mp->is_add, |
| .flood = mp->flood, |
| .uu_flood = mp->uu_flood, |
| .forward = mp->forward, |
| .learn = mp->learn, |
| .arp_term = mp->arp_term, |
| .arp_ufwd = mp->arp_ufwd, |
| .mac_age = mp->mac_age, |
| .bd_id = ntohl (mp->bd_id), |
| .bd_tag = mp->bd_tag |
| }; |
| |
| int rv = bd_add_del (&a); |
| |
| vl_api_bridge_domain_add_del_reply_t *rmp; |
| REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY); |
| } |
| |
| static void |
| send_bridge_domain_details (l2input_main_t * l2im, |
| vl_api_registration_t * reg, |
| l2_bridge_domain_t * bd_config, |
| u32 n_sw_ifs, u32 context) |
| { |
| vl_api_bridge_domain_details_t *mp; |
| l2_flood_member_t *m; |
| vl_api_bridge_domain_sw_if_t *sw_ifs; |
| l2_input_config_t *input_cfg; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp) + |
| (n_sw_ifs * sizeof (vl_api_bridge_domain_sw_if_t))); |
| clib_memset (mp, 0, sizeof (*mp)); |
| mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS); |
| mp->bd_id = ntohl (bd_config->bd_id); |
| mp->flood = bd_feature_flood (bd_config); |
| mp->uu_flood = bd_feature_uu_flood (bd_config); |
| mp->forward = bd_feature_forward (bd_config); |
| mp->learn = bd_feature_learn (bd_config); |
| mp->arp_term = bd_feature_arp_term (bd_config); |
| mp->arp_ufwd = bd_feature_arp_ufwd (bd_config); |
| mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index); |
| mp->uu_fwd_sw_if_index = ntohl (bd_config->uu_fwd_sw_if_index); |
| mp->mac_age = bd_config->mac_age; |
| if (bd_config->bd_tag) |
| { |
| strncpy ((char *) mp->bd_tag, (char *) bd_config->bd_tag, |
| ARRAY_LEN (mp->bd_tag) - 1); |
| mp->bd_tag[ARRAY_LEN (mp->bd_tag) - 1] = 0; |
| } |
| |
| mp->context = context; |
| |
| sw_ifs = (vl_api_bridge_domain_sw_if_t *) mp->sw_if_details; |
| vec_foreach (m, bd_config->members) |
| { |
| sw_ifs->sw_if_index = ntohl (m->sw_if_index); |
| input_cfg = vec_elt_at_index (l2im->configs, m->sw_if_index); |
| sw_ifs->shg = input_cfg->shg; |
| sw_ifs++; |
| mp->n_sw_ifs++; |
| } |
| mp->n_sw_ifs = htonl (mp->n_sw_ifs); |
| |
| vl_api_send_msg (reg, (u8 *) mp); |
| } |
| |
| static void |
| vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp) |
| { |
| bd_main_t *bdm = &bd_main; |
| l2input_main_t *l2im = &l2input_main; |
| vl_api_registration_t *reg; |
| u32 bd_id, bd_index, end, filter_sw_if_index; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| filter_sw_if_index = ntohl (mp->sw_if_index); |
| if (filter_sw_if_index != ~0) |
| return; /* UNIMPLEMENTED */ |
| |
| bd_id = ntohl (mp->bd_id); |
| if (bd_id == 0) |
| return; |
| |
| if (bd_id == ~0) |
| bd_index = 0, end = vec_len (l2im->bd_configs); |
| else |
| { |
| bd_index = bd_find_index (bdm, bd_id); |
| if (bd_index == ~0) |
| return; |
| |
| end = bd_index + 1; |
| } |
| |
| for (; bd_index < end; bd_index++) |
| { |
| l2_bridge_domain_t *bd_config = |
| l2input_bd_config_from_index (l2im, bd_index); |
| /* skip placeholder bd_id 0 */ |
| if (bd_config && (bd_config->bd_id > 0)) |
| send_bridge_domain_details (l2im, reg, bd_config, |
| vec_len (bd_config->members), |
| mp->context); |
| } |
| } |
| |
| static bd_flags_t |
| bd_flags_decode (vl_api_bd_flags_t v) |
| { |
| bd_flags_t f = L2_NONE; |
| |
| v = ntohl (v); |
| |
| if (v & BRIDGE_API_FLAG_LEARN) |
| f |= L2_LEARN; |
| if (v & BRIDGE_API_FLAG_FWD) |
| f |= L2_FWD; |
| if (v & BRIDGE_API_FLAG_FLOOD) |
| f |= L2_FLOOD; |
| if (v & BRIDGE_API_FLAG_UU_FLOOD) |
| f |= L2_UU_FLOOD; |
| if (v & BRIDGE_API_FLAG_ARP_TERM) |
| f |= L2_ARP_TERM; |
| if (v & BRIDGE_API_FLAG_ARP_UFWD) |
| f |= L2_ARP_UFWD; |
| |
| return (f); |
| } |
| |
| static void |
| vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp) |
| { |
| vlib_main_t *vm = vlib_get_main (); |
| bd_main_t *bdm = &bd_main; |
| vl_api_bridge_flags_reply_t *rmp; |
| u32 bitmap = 0; |
| int rv = 0; |
| |
| bd_flags_t flags = bd_flags_decode (mp->flags); |
| u32 bd_id = ntohl (mp->bd_id); |
| if (bd_id == 0) |
| { |
| rv = VNET_API_ERROR_BD_NOT_MODIFIABLE; |
| goto out; |
| } |
| |
| u32 bd_index = bd_find_index (bdm, bd_id); |
| if (bd_index == ~0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto out; |
| } |
| |
| bitmap = bd_set_flags (vm, bd_index, flags, mp->is_set); |
| |
| out: |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY, |
| ({ |
| rmp->resulting_feature_bitmap = ntohl(bitmap); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_l2_interface_vlan_tag_rewrite_t_handler |
| (vl_api_l2_interface_vlan_tag_rewrite_t * mp) |
| { |
| int rv = 0; |
| vl_api_l2_interface_vlan_tag_rewrite_reply_t *rmp; |
| vnet_main_t *vnm = vnet_get_main (); |
| vlib_main_t *vm = vlib_get_main (); |
| u32 vtr_op; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| vtr_op = ntohl (mp->vtr_op); |
| |
| /* The L2 code is unsuspicious */ |
| switch (vtr_op) |
| { |
| case L2_VTR_DISABLED: |
| case L2_VTR_PUSH_1: |
| case L2_VTR_PUSH_2: |
| case L2_VTR_POP_1: |
| case L2_VTR_POP_2: |
| case L2_VTR_TRANSLATE_1_1: |
| case L2_VTR_TRANSLATE_1_2: |
| case L2_VTR_TRANSLATE_2_1: |
| case L2_VTR_TRANSLATE_2_2: |
| break; |
| |
| default: |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| goto bad_sw_if_index; |
| } |
| |
| rv = l2vtr_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op, |
| ntohl (mp->push_dot1q), ntohl (mp->tag1), |
| ntohl (mp->tag2)); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY); |
| } |
| |
| static void |
| vl_api_l2_interface_pbb_tag_rewrite_t_handler |
| (vl_api_l2_interface_pbb_tag_rewrite_t * mp) |
| { |
| vl_api_l2_interface_pbb_tag_rewrite_reply_t *rmp; |
| vnet_main_t *vnm = vnet_get_main (); |
| vlib_main_t *vm = vlib_get_main (); |
| u32 vtr_op; |
| int rv = 0; |
| mac_address_t b_dmac, b_smac; |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| vtr_op = ntohl (mp->vtr_op); |
| |
| switch (vtr_op) |
| { |
| case L2_VTR_DISABLED: |
| case L2_VTR_PUSH_2: |
| case L2_VTR_POP_2: |
| case L2_VTR_TRANSLATE_2_1: |
| break; |
| |
| default: |
| rv = VNET_API_ERROR_INVALID_VALUE; |
| goto bad_sw_if_index; |
| } |
| |
| mac_address_decode (mp->b_dmac, &b_dmac); |
| mac_address_decode (mp->b_smac, &b_smac); |
| |
| rv = l2pbb_configure (vm, vnm, ntohl (mp->sw_if_index), vtr_op, |
| b_dmac.bytes, b_smac.bytes, ntohs (mp->b_vlanid), |
| ntohl (mp->i_sid), ntohs (mp->outer_tag)); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_L2_INTERFACE_PBB_TAG_REWRITE_REPLY); |
| } |
| |
| static void |
| vl_api_sw_interface_set_l2_xconnect_t_handler |
| (vl_api_sw_interface_set_l2_xconnect_t * mp) |
| { |
| vl_api_sw_interface_set_l2_xconnect_reply_t *rmp; |
| int rv = 0; |
| u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index); |
| u32 tx_sw_if_index = ntohl (mp->tx_sw_if_index); |
| vlib_main_t *vm = vlib_get_main (); |
| vnet_main_t *vnm = vnet_get_main (); |
| |
| VALIDATE_RX_SW_IF_INDEX (mp); |
| |
| if (mp->enable) |
| { |
| VALIDATE_TX_SW_IF_INDEX (mp); |
| rv = set_int_l2_mode (vm, vnm, MODE_L2_XC, |
| rx_sw_if_index, 0, |
| L2_BD_PORT_TYPE_NORMAL, 0, tx_sw_if_index); |
| } |
| else |
| { |
| rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, |
| L2_BD_PORT_TYPE_NORMAL, 0, 0); |
| } |
| |
| switch (rv) |
| { |
| case MODE_ERROR_ETH: |
| rv = VNET_API_ERROR_NON_ETHERNET; |
| break; |
| case MODE_ERROR_BVI_DEF: |
| rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI; |
| break; |
| } |
| |
| BAD_RX_SW_IF_INDEX_LABEL; |
| BAD_TX_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY); |
| } |
| |
| static int |
| l2_bd_port_type_decode (vl_api_l2_port_type_t v, l2_bd_port_type_t * l) |
| { |
| v = clib_net_to_host_u32 (v); |
| |
| switch (v) |
| { |
| case L2_API_PORT_TYPE_NORMAL: |
| *l = L2_BD_PORT_TYPE_NORMAL; |
| return 0; |
| case L2_API_PORT_TYPE_BVI: |
| *l = L2_BD_PORT_TYPE_BVI; |
| return 0; |
| case L2_API_PORT_TYPE_UU_FWD: |
| *l = L2_BD_PORT_TYPE_UU_FWD; |
| return 0; |
| } |
| |
| return (VNET_API_ERROR_INVALID_VALUE); |
| } |
| |
| static void |
| vl_api_sw_interface_set_l2_bridge_t_handler |
| (vl_api_sw_interface_set_l2_bridge_t * mp) |
| { |
| bd_main_t *bdm = &bd_main; |
| vl_api_sw_interface_set_l2_bridge_reply_t *rmp; |
| int rv = 0; |
| vlib_main_t *vm = vlib_get_main (); |
| vnet_main_t *vnm = vnet_get_main (); |
| l2_bd_port_type_t pt; |
| |
| VALIDATE_RX_SW_IF_INDEX (mp); |
| u32 rx_sw_if_index = ntohl (mp->rx_sw_if_index); |
| rv = l2_bd_port_type_decode (mp->port_type, &pt); |
| |
| if (0 != rv) |
| goto out; |
| if (mp->enable) |
| { |
| VALIDATE_BD_ID (mp); |
| u32 bd_id = ntohl (mp->bd_id); |
| u32 bd_index = bd_find_or_add_bd_index (bdm, bd_id); |
| |
| rv = set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, |
| rx_sw_if_index, bd_index, pt, mp->shg, 0); |
| } |
| else |
| { |
| rv = set_int_l2_mode (vm, vnm, MODE_L3, rx_sw_if_index, 0, pt, 0, 0); |
| } |
| |
| switch (rv) |
| { |
| case MODE_ERROR_ETH: |
| rv = VNET_API_ERROR_NON_ETHERNET; |
| break; |
| case MODE_ERROR_BVI_DEF: |
| rv = VNET_API_ERROR_BD_ALREADY_HAS_BVI; |
| break; |
| } |
| |
| BAD_RX_SW_IF_INDEX_LABEL; |
| BAD_BD_ID_LABEL; |
| out: |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY); |
| } |
| |
| static void |
| send_bd_ip_mac_entry (vpe_api_main_t * am, |
| vl_api_registration_t * reg, |
| u32 bd_id, |
| const ip46_address_t * ip, |
| ip46_type_t itype, |
| const mac_address_t * mac, u32 context) |
| { |
| vl_api_bd_ip_mac_details_t *mp; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp)); |
| clib_memset (mp, 0, sizeof (*mp)); |
| mp->_vl_msg_id = ntohs (VL_API_BD_IP_MAC_DETAILS); |
| |
| mp->context = context; |
| mp->entry.bd_id = ntohl (bd_id); |
| |
| ip_address_encode (ip, itype, &mp->entry.ip); |
| mac_address_encode (mac, mp->entry.mac); |
| |
| vl_api_send_msg (reg, (u8 *) mp); |
| } |
| |
| static void |
| vl_api_bd_ip_mac_dump_t_handler (vl_api_bd_ip_mac_dump_t * mp) |
| { |
| vpe_api_main_t *am = &vpe_api_main; |
| bd_main_t *bdm = &bd_main; |
| l2_bridge_domain_t *bd_config; |
| u32 bd_id = ntohl (mp->bd_id); |
| u32 bd_index, start, end; |
| vl_api_registration_t *reg; |
| uword *p; |
| |
| reg = vl_api_client_index_to_registration (mp->client_index); |
| if (!reg) |
| return; |
| |
| /* see bd_id: ~0 means "any" */ |
| if (bd_id == ~0) |
| { |
| start = 1; |
| end = vec_len (l2input_main.bd_configs); |
| } |
| else |
| { |
| p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| return; |
| |
| bd_index = p[0]; |
| vec_validate (l2input_main.bd_configs, bd_index); |
| start = bd_index; |
| end = start + 1; |
| } |
| |
| for (bd_index = start; bd_index < end; bd_index++) |
| { |
| bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index); |
| if (bd_is_valid (bd_config)) |
| { |
| ip4_address_t ip4_addr; |
| ip6_address_t *ip6_addr; |
| mac_address_t mac; |
| u64 mac64; |
| bd_id = bd_config->bd_id; |
| |
| /* *INDENT-OFF* */ |
| hash_foreach (ip4_addr.as_u32, mac64, bd_config->mac_by_ip4, |
| ({ |
| ip46_address_t ip = { |
| .ip4 = ip4_addr, |
| }; |
| mac_address_from_u64(&mac, mac64); |
| |
| send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP4, |
| &mac, mp->context); |
| })); |
| |
| hash_foreach_mem (ip6_addr, mac64, bd_config->mac_by_ip6, |
| ({ |
| ip46_address_t ip = { |
| .ip6 = *ip6_addr, |
| }; |
| mac_address_from_u64(&mac, mac64); |
| |
| send_bd_ip_mac_entry (am, reg, bd_id, &ip, IP46_TYPE_IP6, |
| &mac, mp->context); |
| })); |
| /* *INDENT-ON* */ |
| } |
| } |
| } |
| |
| static void |
| vl_api_bd_ip_mac_add_del_t_handler (vl_api_bd_ip_mac_add_del_t * mp) |
| { |
| ip46_address_t ip_addr = ip46_address_initializer; |
| vl_api_bd_ip_mac_add_del_reply_t *rmp; |
| bd_main_t *bdm = &bd_main; |
| u32 bd_index, bd_id; |
| mac_address_t mac; |
| ip46_type_t type; |
| int rv = 0; |
| uword *p; |
| |
| bd_id = ntohl (mp->entry.bd_id); |
| |
| if (bd_id == 0) |
| { |
| rv = VNET_API_ERROR_BD_NOT_MODIFIABLE; |
| goto out; |
| } |
| |
| p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto out; |
| } |
| bd_index = p[0]; |
| |
| type = ip_address_decode (&mp->entry.ip, &ip_addr); |
| mac_address_decode (mp->entry.mac, &mac); |
| |
| if (bd_add_del_ip_mac (bd_index, type, &ip_addr, &mac, mp->is_add)) |
| rv = VNET_API_ERROR_UNSPECIFIED; |
| |
| out: |
| REPLY_MACRO (VL_API_BD_IP_MAC_ADD_DEL_REPLY); |
| } |
| |
| static void |
| vl_api_bd_ip_mac_flush_t_handler (vl_api_bd_ip_mac_flush_t * mp) |
| { |
| vl_api_bd_ip_mac_flush_reply_t *rmp; |
| bd_main_t *bdm = &bd_main; |
| u32 bd_index, bd_id; |
| int rv = 0; |
| uword *p; |
| |
| bd_id = ntohl (mp->bd_id); |
| |
| if (bd_id == 0) |
| { |
| rv = VNET_API_ERROR_BD_NOT_MODIFIABLE; |
| goto out; |
| } |
| |
| p = hash_get (bdm->bd_index_by_bd_id, bd_id); |
| if (p == 0) |
| { |
| rv = VNET_API_ERROR_NO_SUCH_ENTRY; |
| goto out; |
| } |
| bd_index = p[0]; |
| |
| bd_flush_ip_mac (bd_index); |
| |
| out: |
| REPLY_MACRO (VL_API_BD_IP_MAC_FLUSH_REPLY); |
| } |
| |
| extern void l2_efp_filter_configure (vnet_main_t * vnet_main, |
| u32 sw_if_index, u8 enable); |
| |
| static void |
| vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t * |
| mp) |
| { |
| int rv; |
| vl_api_l2_interface_efp_filter_reply_t *rmp; |
| vnet_main_t *vnm = vnet_get_main (); |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| // enable/disable the feature |
| l2_efp_filter_configure (vnm, ntohl (mp->sw_if_index), mp->enable_disable); |
| rv = vnm->api_errno; |
| |
| BAD_SW_IF_INDEX_LABEL; |
| REPLY_MACRO (VL_API_L2_INTERFACE_EFP_FILTER_REPLY); |
| } |
| |
| static void |
| vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t * mp) |
| { |
| extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index, |
| int is_add); |
| vl_api_l2_patch_add_del_reply_t *rmp; |
| int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index, |
| int is_add); |
| int rv = 0; |
| |
| VALIDATE_RX_SW_IF_INDEX (mp); |
| VALIDATE_TX_SW_IF_INDEX (mp); |
| |
| rv = vnet_l2_patch_add_del (ntohl (mp->rx_sw_if_index), |
| ntohl (mp->tx_sw_if_index), |
| (int) (mp->is_add != 0)); |
| |
| BAD_RX_SW_IF_INDEX_LABEL; |
| BAD_TX_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_L2_PATCH_ADD_DEL_REPLY); |
| } |
| |
| static void |
| vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t * mp) |
| { |
| vl_api_sw_interface_set_vpath_reply_t *rmp; |
| int rv = 0; |
| u32 sw_if_index = ntohl (mp->sw_if_index); |
| |
| VALIDATE_SW_IF_INDEX (mp); |
| |
| l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VPATH, mp->enable); |
| vnet_feature_enable_disable ("ip4-unicast", "vpath-input-ip4", |
| sw_if_index, mp->enable, 0, 0); |
| vnet_feature_enable_disable ("ip4-multicast", "vpath-input-ip4", |
| sw_if_index, mp->enable, 0, 0); |
| vnet_feature_enable_disable ("ip6-unicast", "vpath-input-ip6", |
| sw_if_index, mp->enable, 0, 0); |
| vnet_feature_enable_disable ("ip6-multicast", "vpath-input-ip6", |
| sw_if_index, mp->enable, 0, 0); |
| |
| BAD_SW_IF_INDEX_LABEL; |
| |
| REPLY_MACRO (VL_API_SW_INTERFACE_SET_VPATH_REPLY); |
| } |
| |
| static void |
| vl_api_bvi_create_t_handler (vl_api_bvi_create_t * mp) |
| { |
| vl_api_bvi_create_reply_t *rmp; |
| mac_address_t mac; |
| u32 sw_if_index; |
| int rv; |
| |
| mac_address_decode (mp->mac, &mac); |
| |
| rv = l2_bvi_create (ntohl (mp->user_instance), &mac, &sw_if_index); |
| |
| /* *INDENT-OFF* */ |
| REPLY_MACRO2(VL_API_BVI_CREATE_REPLY, |
| ({ |
| rmp->sw_if_index = ntohl (sw_if_index); |
| })); |
| /* *INDENT-ON* */ |
| } |
| |
| static void |
| vl_api_bvi_delete_t_handler (vl_api_bvi_delete_t * mp) |
| { |
| vl_api_bvi_delete_reply_t *rmp; |
| int rv; |
| |
| rv = l2_bvi_delete (ntohl (mp->sw_if_index)); |
| |
| REPLY_MACRO (VL_API_BVI_DELETE_REPLY); |
| } |
| |
| static bool |
| l2_arp_term_publish_event_is_equal (const l2_arp_term_publish_event_t * e1, |
| const l2_arp_term_publish_event_t * e2) |
| { |
| if (e1 == NULL || e2 == NULL) |
| return false; |
| return (ip46_address_is_equal (&e1->ip, &e2->ip) && |
| (e1->sw_if_index == e2->sw_if_index) && |
| (mac_address_equal (&e1->mac, &e2->mac))); |
| } |
| |
| static uword |
| l2_arp_term_process (vlib_main_t * vm, vlib_node_runtime_t * rt, |
| vlib_frame_t * f) |
| { |
| /* These cross the longjmp boundary (vlib_process_wait_for_event) |
| * and need to be volatile - to prevent them from being optimized into |
| * a register - which could change during suspension */ |
| volatile f64 last = vlib_time_now (vm); |
| volatile l2_arp_term_publish_event_t last_event = { }; |
| |
| l2_arp_term_main_t *l2am = &l2_arp_term_main; |
| |
| while (1) |
| { |
| uword event_type = L2_ARP_TERM_EVENT_PUBLISH; |
| vpe_client_registration_t *reg; |
| f64 now; |
| |
| vlib_process_wait_for_event (vm); |
| |
| vlib_process_get_event_data (vm, &event_type); |
| now = vlib_time_now (vm); |
| |
| if (event_type == L2_ARP_TERM_EVENT_PUBLISH) |
| { |
| l2_arp_term_publish_event_t *event; |
| |
| vec_foreach (event, l2am->publish_events) |
| { |
| /* dampen duplicate events - cast away volatile */ |
| if (l2_arp_term_publish_event_is_equal |
| (event, (l2_arp_term_publish_event_t *) & last_event) && |
| (now - last) < 10.0) |
| { |
| continue; |
| } |
| last_event = *event; |
| last = now; |
| |
| /* *INDENT-OFF* */ |
| pool_foreach (reg, vpe_api_main.l2_arp_term_events_registrations) |
| { |
| vl_api_registration_t *vl_reg; |
| vl_reg = vl_api_client_index_to_registration (reg->client_index); |
| ALWAYS_ASSERT (vl_reg != NULL); |
| |
| if (reg && vl_api_can_send_msg (vl_reg)) |
| { |
| vl_api_l2_arp_term_event_t * vevent; |
| vevent = vl_msg_api_alloc (sizeof *vevent); |
| clib_memset (vevent, 0, sizeof *vevent); |
| vevent->_vl_msg_id = htons (VL_API_L2_ARP_TERM_EVENT); |
| vevent->client_index = reg->client_index; |
| vevent->pid = reg->client_pid; |
| ip_address_encode(&event->ip, |
| event->type, |
| &vevent->ip); |
| vevent->sw_if_index = htonl(event->sw_if_index); |
| mac_address_encode(&event->mac, vevent->mac); |
| vl_api_send_msg (vl_reg, (u8 *) vevent); |
| } |
| } |
| /* *INDENT-ON* */ |
| } |
| vec_reset_length (l2am->publish_events); |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* *INDENT-OFF* */ |
| VLIB_REGISTER_NODE (l2_arp_term_process_node) = { |
| .function = l2_arp_term_process, |
| .type = VLIB_NODE_TYPE_PROCESS, |
| .name = "l2-arp-term-publisher", |
| }; |
| /* *INDENT-ON* */ |
| |
| static void |
| vl_api_want_l2_arp_term_events_t_handler (vl_api_want_l2_arp_term_events_t * |
| mp) |
| { |
| vl_api_want_l2_arp_term_events_reply_t *rmp; |
| vpe_api_main_t *am = &vpe_api_main; |
| vpe_client_registration_t *rp; |
| int rv = 0; |
| uword *p; |
| |
| p = hash_get (am->l2_arp_term_events_registration_hash, mp->client_index); |
| |
| if (p) |
| { |
| if (mp->enable) |
| { |
| clib_warning ("pid %d: already enabled...", mp->pid); |
| rv = VNET_API_ERROR_INVALID_REGISTRATION; |
| goto reply; |
| } |
| else |
| { |
| rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]); |
| pool_put (am->l2_arp_term_events_registrations, rp); |
| hash_unset (am->l2_arp_term_events_registration_hash, |
| mp->client_index); |
| if (pool_elts (am->l2_arp_term_events_registrations) == 0) |
| l2_arp_term_set_publisher_node (false); |
| goto reply; |
| } |
| } |
| if (mp->enable == 0) |
| { |
| clib_warning ("pid %d: already disabled...", mp->pid); |
| rv = VNET_API_ERROR_INVALID_REGISTRATION; |
| goto reply; |
| } |
| pool_get (am->l2_arp_term_events_registrations, rp); |
| rp->client_index = mp->client_index; |
| rp->client_pid = mp->pid; |
| hash_set (am->l2_arp_term_events_registration_hash, rp->client_index, |
| rp - am->l2_arp_term_events_registrations); |
| l2_arp_term_set_publisher_node (true); |
| |
| reply: |
| REPLY_MACRO (VL_API_WANT_L2_ARP_TERM_EVENTS_REPLY); |
| } |
| |
| static clib_error_t * |
| want_l2_arp_term_events_reaper (u32 client_index) |
| { |
| vpe_client_registration_t *rp; |
| vpe_api_main_t *am; |
| uword *p; |
| |
| am = &vpe_api_main; |
| |
| /* remove from the registration hash */ |
| p = hash_get (am->l2_arp_term_events_registration_hash, client_index); |
| |
| if (p) |
| { |
| rp = pool_elt_at_index (am->l2_arp_term_events_registrations, p[0]); |
| pool_put (am->l2_arp_term_events_registrations, rp); |
| hash_unset (am->l2_arp_term_events_registration_hash, client_index); |
| if (pool_elts (am->l2_arp_term_events_registrations) == 0) |
| l2_arp_term_set_publisher_node (false); |
| } |
| return (NULL); |
| } |
| |
| VL_MSG_API_REAPER_FUNCTION (want_l2_arp_term_events_reaper); |
| |
| /* |
| * l2_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_l2; |
| #undef _ |
| } |
| |
| static clib_error_t * |
| l2_api_hookup (vlib_main_t * vm) |
| { |
| api_main_t *am = vlibapi_get_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 _ |
| |
| /* Mark VL_API_BRIDGE_DOMAIN_DUMP as mp safe */ |
| am->is_mp_safe[VL_API_BRIDGE_DOMAIN_DUMP] = 1; |
| |
| /* |
| * Set up the (msg_name, crc, message-id) table |
| */ |
| setup_message_id_table (am); |
| |
| return 0; |
| } |
| |
| VLIB_API_INIT_FUNCTION (l2_api_hookup); |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |