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# Function Call Graph
Generated from `src/**/*.c` by `scripts/docs/generate-wiki.py`.
```mermaid
flowchart LR
subgraph module_0["src/announce.c"]
function_announce_c_tlv_append["tlv_append()"]
function_announce_c_tlv_str["tlv_str()"]
function_announce_c_put32be["put32be()"]
function_announce_c_parse_mac["parse_mac()"]
function_announce_c_parse_ip["parse_ip()"]
function_announce_c_announce_init["announce_init()"]
function_announce_c_announce_send["announce_send()"]
function_announce_c_announce_close["announce_close()"]
end
subgraph module_1["src/clients.c"]
function_clients_c_mac_lower["mac_lower()"]
function_clients_c_clients_mac_to_ip["clients_mac_to_ip()"]
function_clients_c_clients_mac_to_hostname["clients_mac_to_hostname()"]
function_clients_c_parse_rate_kbps["parse_rate_kbps()"]
function_clients_c_clients_read_wifi["clients_read_wifi()"]
function_clients_c_clients_build_sta_table["clients_build_sta_table()"]
end
subgraph module_2["src/config.c"]
function_config_c_config_load["config_load()"]
end
subgraph module_3["src/crypto.c"]
function_crypto_c_crypto_hex2bin["crypto_hex2bin()"]
function_crypto_c_crypto_bin2hex["crypto_bin2hex()"]
function_crypto_c_crypto_random_hex["crypto_random_hex()"]
function_crypto_c_crypto_encrypt["crypto_encrypt()"]
function_crypto_c_crypto_decrypt["crypto_decrypt()"]
function_crypto_c_crypto_gcm_encrypt["crypto_gcm_encrypt()"]
function_crypto_c_crypto_gcm_decrypt["crypto_gcm_decrypt()"]
end
subgraph module_4["src/http.c"]
function_http_c_parse_url["parse_url()"]
function_http_c_http_post["http_post()"]
end
subgraph module_5["src/inform/inform.c"]
function_inform_inform_c_inform_send["inform_send()"]
end
subgraph module_6["src/inform/packet.c"]
function_inform_packet_c_put32be["put32be()"]
function_inform_packet_c_put16be["put16be()"]
function_inform_packet_c_get32be["get32be()"]
function_inform_packet_c_get16be["get16be()"]
function_inform_packet_c_inform_packet_build["inform_packet_build()"]
function_inform_packet_c_inform_packet_parse["inform_packet_parse()"]
end
subgraph module_7["src/inform/payload.c"]
function_inform_payload_c_build_sys_stats["build_sys_stats()"]
function_inform_payload_c_build_system_stats["build_system_stats()"]
function_inform_payload_c_build_if_table["build_if_table()"]
function_inform_payload_c_radio_runtime_iface["radio_runtime_iface()"]
function_inform_payload_c_build_scan_table["build_scan_table()"]
function_inform_payload_c_build_athstats["build_athstats()"]
function_inform_payload_c_build_radio_table["build_radio_table()"]
function_inform_payload_c_build_radio_table_stats["build_radio_table_stats()"]
function_inform_payload_c_build_port_table["build_port_table()"]
function_inform_payload_c_build_eth_table["build_eth_table()"]
function_inform_payload_c_build_vap_table["build_vap_table()"]
function_inform_payload_c_collect_sta_table["collect_sta_table()"]
function_inform_payload_c_inform_build_payload["inform_build_payload()"]
end
subgraph module_8["src/inform/response.c"]
function_inform_response_c_inform_valid_auth_key["inform_valid_auth_key()"]
function_inform_response_c_inform_set_debug_level["inform_set_debug_level()"]
function_inform_response_c_inform_debug_level["inform_debug_level()"]
function_inform_response_c_inform_debug_system_cfg_key["inform_debug_system_cfg_key()"]
function_inform_response_c_inform_log_controller_response["inform_log_controller_response()"]
function_inform_response_c_reboot_openwrt["reboot_openwrt()"]
function_inform_response_c_inform_handle_response["inform_handle_response()"]
end
subgraph module_9["src/lldp.c"]
function_lldp_c_tlv_write["tlv_write()"]
function_lldp_c_tlv_str["tlv_str()"]
function_lldp_c_parse_mac["parse_mac()"]
function_lldp_c_lldp_send_frame["lldp_send_frame()"]
function_lldp_c_lldp_available["lldp_available()"]
function_lldp_c_lldp_read_neighbors["lldp_read_neighbors()"]
end
subgraph module_10["src/main.c"]
function_main_c_get_mac["get_mac()"]
function_main_c_get_ip["get_ip()"]
function_main_c_get_default_gateway["get_default_gateway()"]
function_main_c_main["main()"]
end
subgraph module_11["src/models.c"]
function_models_c_ufmodel_find["ufmodel_find()"]
end
subgraph module_12["src/state.c"]
function_state_c_state_defaults["state_defaults()"]
function_state_c_state_load["state_load()"]
function_state_c_state_save["state_save()"]
end
subgraph module_13["src/sysinfo.c"]
function_sysinfo_c_sysinfo_mem["sysinfo_mem()"]
function_sysinfo_c_read_cpu["read_cpu()"]
function_sysinfo_c_sysinfo_cpu_percent["sysinfo_cpu_percent()"]
function_sysinfo_c_read_sysfs_str["read_sysfs_str()"]
function_sysinfo_c_read_sysfs_int["read_sysfs_int()"]
function_sysinfo_c_read_ip_ioctl["read_ip_ioctl()"]
function_sysinfo_c_sysinfo_iface["sysinfo_iface()"]
function_sysinfo_c_utilization_percent["utilization_percent()"]
function_sysinfo_c_count_antenna_chains["count_antenna_chains()"]
function_sysinfo_c_sysinfo_radio["sysinfo_radio()"]
function_sysinfo_c_frequency_to_channel["frequency_to_channel()"]
function_sysinfo_c_sysinfo_wifi_scan_cache["sysinfo_wifi_scan_cache()"]
end
subgraph module_14["src/wlan/common.c"]
function_wlan_common_c_wlan_security_to_uci["wlan_security_to_uci()"]
function_wlan_common_c_wlan_security_to_unifi["wlan_security_to_unifi()"]
function_wlan_common_c_wlan_valid_object_id["wlan_valid_object_id()"]
function_wlan_common_c_wlan_ensure_vap_ids["wlan_ensure_vap_ids()"]
function_wlan_common_c_wlan_mobility_domain_for_ssid["wlan_mobility_domain_for_ssid()"]
function_wlan_common_c_wlan_radio_uses_ath9k["wlan_radio_uses_ath9k()"]
function_wlan_common_c_wlan_json_boolean_any["wlan_json_boolean_any()"]
function_wlan_common_c_wlan_feature_enabled["wlan_feature_enabled()"]
function_wlan_common_c_wlan_safe_section_name["wlan_safe_section_name()"]
end
subgraph module_15["src/wlan/legacy.c"]
function_wlan_legacy_c_system_cfg_get["system_cfg_get()"]
function_wlan_legacy_c_wlan_apply_system_cfg["wlan_apply_system_cfg()"]
end
subgraph module_16["src/wlan/provision.c"]
function_wlan_provision_c_apply_vap["apply_vap()"]
function_wlan_provision_c_force_wifi4_for_band["force_wifi4_for_band()"]
function_wlan_provision_c_wlan_apply_config["wlan_apply_config()"]
end
subgraph module_17["src/wlan/radio.c"]
function_wlan_radio_c_band_bit["band_bit()"]
function_wlan_radio_c_bit_count["bit_count()"]
function_wlan_radio_c_detect_radio_bands["detect_radio_bands()"]
function_wlan_radio_c_resolve_radio_map["resolve_radio_map()"]
function_wlan_radio_c_wlan_device_for_band["wlan_device_for_band()"]
function_wlan_radio_c_wlan_band_for_device["wlan_band_for_device()"]
function_wlan_radio_c_radio_max_standard["radio_max_standard()"]
function_wlan_radio_c_select_htmode["select_htmode()"]
function_wlan_radio_c_wlan_apply_radio["wlan_apply_radio()"]
end
subgraph module_18["src/wlan/telemetry.c"]
function_wlan_telemetry_c_find_runtime_vap["find_runtime_vap()"]
function_wlan_telemetry_c_wlan_get_vap_table["wlan_get_vap_table()"]
end
subgraph module_19["src/wlan/uci.c"]
function_wlan_uci_c_wlan_uci_set["wlan_uci_set()"]
function_wlan_uci_c_wlan_uci_set_required["wlan_uci_set_required()"]
function_wlan_uci_c_wlan_uci_add_list["wlan_uci_add_list()"]
function_wlan_uci_c_wlan_uci_ensure_section["wlan_uci_ensure_section()"]
function_wlan_uci_c_find_vlan_uplink["find_vlan_uplink()"]
function_wlan_uci_c_wlan_ensure_vlan_network["wlan_ensure_vlan_network()"]
function_wlan_uci_c_wlan_configure_band_steering["wlan_configure_band_steering()"]
function_wlan_uci_c_wlan_clear["wlan_clear()"]
end
function_announce_c_tlv_str --> function_announce_c_tlv_append
function_announce_c_announce_init --> function_announce_c_tlv_append
function_announce_c_announce_init --> function_announce_c_tlv_str
function_announce_c_announce_init --> function_announce_c_parse_mac
function_announce_c_announce_init --> function_announce_c_parse_ip
function_announce_c_announce_send --> function_announce_c_put32be
function_clients_c_clients_mac_to_ip --> function_clients_c_mac_lower
function_clients_c_clients_mac_to_hostname --> function_clients_c_mac_lower
function_clients_c_clients_read_wifi --> function_clients_c_clients_mac_to_ip
function_clients_c_clients_read_wifi --> function_clients_c_clients_mac_to_hostname
function_clients_c_clients_read_wifi --> function_clients_c_parse_rate_kbps
function_clients_c_clients_build_sta_table --> function_clients_c_clients_read_wifi
function_crypto_c_crypto_random_hex --> function_crypto_c_crypto_bin2hex
function_crypto_c_crypto_encrypt --> function_crypto_c_crypto_hex2bin
function_crypto_c_crypto_decrypt --> function_crypto_c_crypto_hex2bin
function_crypto_c_crypto_gcm_encrypt --> function_crypto_c_crypto_hex2bin
function_crypto_c_crypto_gcm_decrypt --> function_crypto_c_crypto_hex2bin
function_http_c_http_post --> function_http_c_parse_url
function_inform_inform_c_inform_send --> function_http_c_http_post
function_inform_inform_c_inform_send --> function_inform_packet_c_inform_packet_build
function_inform_inform_c_inform_send --> function_inform_packet_c_inform_packet_parse
function_inform_inform_c_inform_send --> function_inform_payload_c_inform_build_payload
function_inform_inform_c_inform_send --> function_inform_response_c_inform_log_controller_response
function_inform_inform_c_inform_send --> function_inform_response_c_inform_handle_response
function_inform_inform_c_inform_send --> function_state_c_state_save
function_inform_packet_c_inform_packet_build --> function_crypto_c_crypto_hex2bin
function_inform_packet_c_inform_packet_build --> function_crypto_c_crypto_random_hex
function_inform_packet_c_inform_packet_build --> function_crypto_c_crypto_encrypt
function_inform_packet_c_inform_packet_build --> function_crypto_c_crypto_gcm_encrypt
function_inform_packet_c_inform_packet_build --> function_inform_packet_c_put32be
function_inform_packet_c_inform_packet_build --> function_inform_packet_c_put16be
function_inform_packet_c_inform_packet_parse --> function_crypto_c_crypto_bin2hex
function_inform_packet_c_inform_packet_parse --> function_crypto_c_crypto_decrypt
function_inform_packet_c_inform_packet_parse --> function_crypto_c_crypto_gcm_decrypt
function_inform_packet_c_inform_packet_parse --> function_inform_packet_c_get32be
function_inform_packet_c_inform_packet_parse --> function_inform_packet_c_get16be
function_inform_payload_c_build_sys_stats --> function_sysinfo_c_sysinfo_mem
function_inform_payload_c_build_sys_stats --> function_sysinfo_c_sysinfo_cpu_percent
function_inform_payload_c_build_if_table --> function_sysinfo_c_sysinfo_iface
function_inform_payload_c_radio_runtime_iface --> function_wlan_radio_c_wlan_device_for_band
function_inform_payload_c_radio_runtime_iface --> function_wlan_telemetry_c_wlan_get_vap_table
function_inform_payload_c_build_scan_table --> function_sysinfo_c_sysinfo_wifi_scan_cache
function_inform_payload_c_build_radio_table --> function_inform_payload_c_radio_runtime_iface
function_inform_payload_c_build_radio_table --> function_inform_payload_c_build_scan_table
function_inform_payload_c_build_radio_table --> function_inform_payload_c_build_athstats
function_inform_payload_c_build_radio_table --> function_inform_response_c_inform_debug_level
function_inform_payload_c_build_radio_table_stats --> function_inform_payload_c_radio_runtime_iface
function_inform_payload_c_build_radio_table_stats --> function_sysinfo_c_sysinfo_radio
function_inform_payload_c_build_port_table --> function_sysinfo_c_sysinfo_iface
function_inform_payload_c_build_vap_table --> function_clients_c_clients_build_sta_table
function_inform_payload_c_build_vap_table --> function_sysinfo_c_sysinfo_iface
function_inform_payload_c_build_vap_table --> function_sysinfo_c_sysinfo_radio
function_inform_payload_c_build_vap_table --> function_wlan_radio_c_wlan_device_for_band
function_inform_payload_c_build_vap_table --> function_wlan_telemetry_c_wlan_get_vap_table
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_sys_stats
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_system_stats
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_if_table
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_radio_table
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_radio_table_stats
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_port_table
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_eth_table
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_build_vap_table
function_inform_payload_c_inform_build_payload --> function_inform_payload_c_collect_sta_table
function_inform_payload_c_inform_build_payload --> function_lldp_c_lldp_read_neighbors
function_inform_response_c_inform_log_controller_response --> function_inform_response_c_inform_debug_system_cfg_key
function_inform_response_c_inform_handle_response --> function_inform_response_c_inform_valid_auth_key
function_inform_response_c_inform_handle_response --> function_inform_response_c_reboot_openwrt
function_inform_response_c_inform_handle_response --> function_state_c_state_save
function_inform_response_c_inform_handle_response --> function_wlan_legacy_c_wlan_apply_system_cfg
function_inform_response_c_inform_handle_response --> function_wlan_provision_c_wlan_apply_config
function_lldp_c_tlv_str --> function_lldp_c_tlv_write
function_lldp_c_lldp_send_frame --> function_lldp_c_tlv_write
function_lldp_c_lldp_send_frame --> function_lldp_c_tlv_str
function_lldp_c_lldp_send_frame --> function_lldp_c_parse_mac
function_lldp_c_lldp_read_neighbors --> function_lldp_c_lldp_available
function_main_c_main --> function_announce_c_announce_init
function_main_c_main --> function_announce_c_announce_send
function_main_c_main --> function_announce_c_announce_close
function_main_c_main --> function_config_c_config_load
function_main_c_main --> function_inform_inform_c_inform_send
function_main_c_main --> function_inform_response_c_inform_set_debug_level
function_main_c_main --> function_lldp_c_lldp_send_frame
function_main_c_main --> function_lldp_c_lldp_available
function_main_c_main --> function_main_c_get_mac
function_main_c_main --> function_main_c_get_ip
function_main_c_main --> function_main_c_get_default_gateway
function_main_c_main --> function_models_c_ufmodel_find
function_main_c_main --> function_state_c_state_load
function_main_c_main --> function_state_c_state_save
function_state_c_state_load --> function_state_c_state_defaults
function_sysinfo_c_sysinfo_cpu_percent --> function_sysinfo_c_read_cpu
function_sysinfo_c_read_sysfs_int --> function_sysinfo_c_read_sysfs_str
function_sysinfo_c_sysinfo_iface --> function_sysinfo_c_read_sysfs_str
function_sysinfo_c_sysinfo_iface --> function_sysinfo_c_read_sysfs_int
function_sysinfo_c_sysinfo_iface --> function_sysinfo_c_read_ip_ioctl
function_sysinfo_c_sysinfo_radio --> function_sysinfo_c_utilization_percent
function_sysinfo_c_sysinfo_radio --> function_sysinfo_c_count_antenna_chains
function_sysinfo_c_sysinfo_wifi_scan_cache --> function_sysinfo_c_frequency_to_channel
function_wlan_common_c_wlan_ensure_vap_ids --> function_crypto_c_crypto_random_hex
function_wlan_common_c_wlan_ensure_vap_ids --> function_wlan_common_c_wlan_valid_object_id
function_wlan_legacy_c_wlan_apply_system_cfg --> function_wlan_common_c_wlan_valid_object_id
function_wlan_legacy_c_wlan_apply_system_cfg --> function_wlan_common_c_wlan_feature_enabled
function_wlan_legacy_c_wlan_apply_system_cfg --> function_wlan_legacy_c_system_cfg_get
function_wlan_legacy_c_wlan_apply_system_cfg --> function_wlan_provision_c_wlan_apply_config
function_wlan_provision_c_apply_vap --> function_wlan_common_c_wlan_security_to_uci
function_wlan_provision_c_apply_vap --> function_wlan_common_c_wlan_valid_object_id
function_wlan_provision_c_apply_vap --> function_wlan_common_c_wlan_mobility_domain_for_ssid
function_wlan_provision_c_apply_vap --> function_wlan_common_c_wlan_radio_uses_ath9k
function_wlan_provision_c_apply_vap --> function_wlan_common_c_wlan_json_boolean_any
function_wlan_provision_c_apply_vap --> function_wlan_common_c_wlan_safe_section_name
function_wlan_provision_c_apply_vap --> function_wlan_uci_c_wlan_uci_set_required
function_wlan_provision_c_apply_vap --> function_wlan_uci_c_wlan_uci_add_list
function_wlan_provision_c_apply_vap --> function_wlan_uci_c_wlan_uci_ensure_section
function_wlan_provision_c_apply_vap --> function_wlan_uci_c_wlan_ensure_vlan_network
function_wlan_provision_c_force_wifi4_for_band --> function_wlan_common_c_wlan_json_boolean_any
function_wlan_provision_c_wlan_apply_config --> function_wlan_common_c_wlan_ensure_vap_ids
function_wlan_provision_c_wlan_apply_config --> function_wlan_common_c_wlan_json_boolean_any
function_wlan_provision_c_wlan_apply_config --> function_wlan_provision_c_apply_vap
function_wlan_provision_c_wlan_apply_config --> function_wlan_provision_c_force_wifi4_for_band
function_wlan_provision_c_wlan_apply_config --> function_wlan_radio_c_wlan_device_for_band
function_wlan_provision_c_wlan_apply_config --> function_wlan_radio_c_wlan_apply_radio
function_wlan_provision_c_wlan_apply_config --> function_wlan_uci_c_wlan_configure_band_steering
function_wlan_provision_c_wlan_apply_config --> function_wlan_uci_c_wlan_clear
function_wlan_radio_c_resolve_radio_map --> function_wlan_radio_c_band_bit
function_wlan_radio_c_resolve_radio_map --> function_wlan_radio_c_bit_count
function_wlan_radio_c_resolve_radio_map --> function_wlan_radio_c_detect_radio_bands
function_wlan_radio_c_wlan_device_for_band --> function_wlan_radio_c_resolve_radio_map
function_wlan_radio_c_wlan_band_for_device --> function_wlan_radio_c_resolve_radio_map
function_wlan_radio_c_select_htmode --> function_wlan_radio_c_radio_max_standard
function_wlan_radio_c_wlan_apply_radio --> function_wlan_radio_c_select_htmode
function_wlan_telemetry_c_wlan_get_vap_table --> function_wlan_common_c_wlan_security_to_unifi
function_wlan_telemetry_c_wlan_get_vap_table --> function_wlan_common_c_wlan_valid_object_id
function_wlan_telemetry_c_wlan_get_vap_table --> function_wlan_radio_c_wlan_band_for_device
function_wlan_telemetry_c_wlan_get_vap_table --> function_wlan_telemetry_c_find_runtime_vap
function_wlan_uci_c_wlan_uci_set_required --> function_wlan_uci_c_wlan_uci_set
function_wlan_uci_c_wlan_ensure_vlan_network --> function_wlan_uci_c_wlan_uci_add_list
function_wlan_uci_c_wlan_ensure_vlan_network --> function_wlan_uci_c_wlan_uci_ensure_section
function_wlan_uci_c_wlan_ensure_vlan_network --> function_wlan_uci_c_find_vlan_uplink
function_wlan_uci_c_wlan_configure_band_steering --> function_wlan_uci_c_wlan_uci_ensure_section
```
## Caller/callee index
| Source | Caller | Internal callees |
| --- | --- | --- |
| `src/announce.c:67` | `tlv_append()` | — |
| `src/announce.c:78` | `tlv_str()` | `tlv_append()` |
| `src/announce.c:85` | `put32be()` | — |
| `src/announce.c:94` | `parse_mac()` | — |
| `src/announce.c:102` | `parse_ip()` | — |
| `src/announce.c:110` | `announce_init()` | `tlv_append()`, `tlv_str()`, `parse_mac()`, `parse_ip()` |
| `src/announce.c:233` | `announce_send()` | `put32be()` |
| `src/announce.c:273` | `announce_close()` | — |
| `src/clients.c:45` | `mac_lower()` | — |
| `src/clients.c:55` | `clients_mac_to_ip()` | `mac_lower()` |
| `src/clients.c:86` | `clients_mac_to_hostname()` | `mac_lower()` |
| `src/clients.c:120` | `parse_rate_kbps()` | — |
| `src/clients.c:130` | `clients_read_wifi()` | `clients_mac_to_ip()`, `clients_mac_to_hostname()`, `parse_rate_kbps()` |
| `src/clients.c:247` | `clients_build_sta_table()` | `clients_read_wifi()` |
| `src/config.c:7` | `config_load()` | — |
| `src/crypto.c:13` | `crypto_hex2bin()` | — |
| `src/crypto.c:22` | `crypto_bin2hex()` | — |
| `src/crypto.c:30` | `crypto_random_hex()` | `crypto_bin2hex()` |
| `src/crypto.c:58` | `crypto_encrypt()` | `crypto_hex2bin()` |
| `src/crypto.c:93` | `crypto_decrypt()` | `crypto_hex2bin()` |
| `src/crypto.c:123` | `crypto_gcm_encrypt()` | `crypto_hex2bin()` |
| `src/crypto.c:144` | `crypto_gcm_decrypt()` | `crypto_hex2bin()` |
| `src/http.c:24` | `parse_url()` | — |
| `src/http.c:65` | `http_post()` | `parse_url()` |
| `src/inform/inform.c:26` | `inform_send()` | `http_post()`, `inform_packet_build()`, `inform_packet_parse()`, `inform_build_payload()`, `inform_log_controller_response()`, `inform_handle_response()`, `state_save()` |
| `src/inform/packet.c:26` | `put32be()` | — |
| `src/inform/packet.c:31` | `put16be()` | — |
| `src/inform/packet.c:35` | `get32be()` | — |
| `src/inform/packet.c:40` | `get16be()` | — |
| `src/inform/packet.c:45` | `inform_packet_build()` | `crypto_hex2bin()`, `crypto_random_hex()`, `crypto_encrypt()`, `crypto_gcm_encrypt()`, `put32be()`, `put16be()` |
| `src/inform/packet.c:103` | `inform_packet_parse()` | `crypto_bin2hex()`, `crypto_decrypt()`, `crypto_gcm_decrypt()`, `get32be()`, `get16be()` |
| `src/inform/payload.c:26` | `build_sys_stats()` | `sysinfo_mem()`, `sysinfo_cpu_percent()` |
| `src/inform/payload.c:69` | `build_system_stats()` | — |
| `src/inform/payload.c:91` | `build_if_table()` | `sysinfo_iface()` |
| `src/inform/payload.c:139` | `radio_runtime_iface()` | `wlan_device_for_band()`, `wlan_get_vap_table()` |
| `src/inform/payload.c:162` | `build_scan_table()` | `sysinfo_wifi_scan_cache()` |
| `src/inform/payload.c:191` | `build_athstats()` | — |
| `src/inform/payload.c:220` | `build_radio_table()` | `radio_runtime_iface()`, `build_scan_table()`, `build_athstats()`, `inform_debug_level()` |
| `src/inform/payload.c:296` | `build_radio_table_stats()` | `radio_runtime_iface()`, `sysinfo_radio()` |
| `src/inform/payload.c:373` | `build_port_table()` | `sysinfo_iface()` |
| `src/inform/payload.c:410` | `build_eth_table()` | — |
| `src/inform/payload.c:439` | `build_vap_table()` | `clients_build_sta_table()`, `sysinfo_iface()`, `sysinfo_radio()`, `wlan_device_for_band()`, `wlan_get_vap_table()` |
| `src/inform/payload.c:647` | `collect_sta_table()` | — |
| `src/inform/payload.c:668` | `inform_build_payload()` | `build_sys_stats()`, `build_system_stats()`, `build_if_table()`, `build_radio_table()`, `build_radio_table_stats()`, `build_port_table()`, `build_eth_table()`, `build_vap_table()`, `collect_sta_table()`, `lldp_read_neighbors()` |
| `src/inform/response.c:26` | `inform_valid_auth_key()` | — |
| `src/inform/response.c:38` | `inform_set_debug_level()` | — |
| `src/inform/response.c:43` | `inform_debug_level()` | — |
| `src/inform/response.c:48` | `inform_debug_system_cfg_key()` | — |
| `src/inform/response.c:57` | `inform_log_controller_response()` | `inform_debug_system_cfg_key()` |
| `src/inform/response.c:102` | `reboot_openwrt()` | — |
| `src/inform/response.c:120` | `inform_handle_response()` | `inform_valid_auth_key()`, `reboot_openwrt()`, `state_save()`, `wlan_apply_system_cfg()`, `wlan_apply_config()` |
| `src/lldp.c:75` | `tlv_write()` | — |
| `src/lldp.c:86` | `tlv_str()` | `tlv_write()` |
| `src/lldp.c:94` | `parse_mac()` | — |
| `src/lldp.c:104` | `lldp_send_frame()` | `tlv_write()`, `tlv_str()`, `parse_mac()` |
| `src/lldp.c:193` | `lldp_available()` | — |
| `src/lldp.c:210` | `lldp_read_neighbors()` | `lldp_available()` |
| `src/main.c:36` | `get_mac()` | — |
| `src/main.c:51` | `get_ip()` | — |
| `src/main.c:70` | `get_default_gateway()` | — |
| `src/main.c:116` | `main()` | `announce_init()`, `announce_send()`, `announce_close()`, `config_load()`, `inform_send()`, `inform_set_debug_level()`, `lldp_send_frame()`, `lldp_available()`, `get_mac()`, `get_ip()`, `get_default_gateway()`, `ufmodel_find()`, `state_load()`, `state_save()` |
| `src/models.c:179` | `ufmodel_find()` | — |
| `src/state.c:16` | `state_defaults()` | — |
| `src/state.c:27` | `state_load()` | `state_defaults()` |
| `src/state.c:102` | `state_save()` | — |
| `src/sysinfo.c:53` | `sysinfo_mem()` | — |
| `src/sysinfo.c:81` | `read_cpu()` | — |
| `src/sysinfo.c:92` | `sysinfo_cpu_percent()` | `read_cpu()` |
| `src/sysinfo.c:115` | `read_sysfs_str()` | — |
| `src/sysinfo.c:130` | `read_sysfs_int()` | `read_sysfs_str()` |
| `src/sysinfo.c:137` | `read_ip_ioctl()` | — |
| `src/sysinfo.c:151` | `sysinfo_iface()` | `read_sysfs_str()`, `read_sysfs_int()`, `read_ip_ioctl()` |
| `src/sysinfo.c:238` | `utilization_percent()` | — |
| `src/sysinfo.c:247` | `count_antenna_chains()` | — |
| `src/sysinfo.c:277` | `sysinfo_radio()` | `utilization_percent()`, `count_antenna_chains()` |
| `src/sysinfo.c:486` | `frequency_to_channel()` | — |
| `src/sysinfo.c:498` | `sysinfo_wifi_scan_cache()` | `frequency_to_channel()` |
| `src/wlan/common.c:20` | `wlan_security_to_uci()` | — |
| `src/wlan/common.c:34` | `wlan_security_to_unifi()` | — |
| `src/wlan/common.c:48` | `wlan_valid_object_id()` | — |
| `src/wlan/common.c:65` | `wlan_ensure_vap_ids()` | `crypto_random_hex()`, `wlan_valid_object_id()` |
| `src/wlan/common.c:157` | `wlan_mobility_domain_for_ssid()` | — |
| `src/wlan/common.c:169` | `wlan_radio_uses_ath9k()` | — |
| `src/wlan/common.c:187` | `wlan_json_boolean_any()` | — |
| `src/wlan/common.c:209` | `wlan_feature_enabled()` | — |
| `src/wlan/common.c:217` | `wlan_safe_section_name()` | — |
| `src/wlan/legacy.c:20` | `system_cfg_get()` | — |
| `src/wlan/legacy.c:44` | `wlan_apply_system_cfg()` | `wlan_valid_object_id()`, `wlan_feature_enabled()`, `system_cfg_get()`, `wlan_apply_config()` |
| `src/wlan/provision.c:20` | `apply_vap()` | `wlan_security_to_uci()`, `wlan_valid_object_id()`, `wlan_mobility_domain_for_ssid()`, `wlan_radio_uses_ath9k()`, `wlan_json_boolean_any()`, `wlan_safe_section_name()`, `wlan_uci_set_required()`, `wlan_uci_add_list()`, `wlan_uci_ensure_section()`, `wlan_ensure_vlan_network()` |
| `src/wlan/provision.c:291` | `force_wifi4_for_band()` | `wlan_json_boolean_any()` |
| `src/wlan/provision.c:335` | `wlan_apply_config()` | `wlan_ensure_vap_ids()`, `wlan_json_boolean_any()`, `apply_vap()`, `force_wifi4_for_band()`, `wlan_device_for_band()`, `wlan_apply_radio()`, `wlan_configure_band_steering()`, `wlan_clear()` |
| `src/wlan/radio.c:29` | `band_bit()` | — |
| `src/wlan/radio.c:38` | `bit_count()` | — |
| `src/wlan/radio.c:50` | `detect_radio_bands()` | — |
| `src/wlan/radio.c:85` | `resolve_radio_map()` | `band_bit()`, `bit_count()`, `detect_radio_bands()` |
| `src/wlan/radio.c:135` | `wlan_device_for_band()` | `resolve_radio_map()` |
| `src/wlan/radio.c:146` | `wlan_band_for_device()` | `resolve_radio_map()` |
| `src/wlan/radio.c:162` | `radio_max_standard()` | — |
| `src/wlan/radio.c:195` | `select_htmode()` | `radio_max_standard()` |
| `src/wlan/radio.c:241` | `wlan_apply_radio()` | `select_htmode()` |
| `src/wlan/telemetry.c:25` | `find_runtime_vap()` | — |
| `src/wlan/telemetry.c:58` | `wlan_get_vap_table()` | `wlan_security_to_unifi()`, `wlan_valid_object_id()`, `wlan_band_for_device()`, `find_runtime_vap()` |
| `src/wlan/uci.c:21` | `wlan_uci_set()` | — |
| `src/wlan/uci.c:36` | `wlan_uci_set_required()` | `wlan_uci_set()` |
| `src/wlan/uci.c:56` | `wlan_uci_add_list()` | — |
| `src/wlan/uci.c:72` | `wlan_uci_ensure_section()` | — |
| `src/wlan/uci.c:100` | `find_vlan_uplink()` | — |
| `src/wlan/uci.c:143` | `wlan_ensure_vlan_network()` | `wlan_uci_add_list()`, `wlan_uci_ensure_section()`, `find_vlan_uplink()` |
| `src/wlan/uci.c:208` | `wlan_configure_band_steering()` | `wlan_uci_ensure_section()` |
| `src/wlan/uci.c:268` | `wlan_clear()` | — |
wiki/Developer-Guide.md
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# Developer Guide
This guide describes the current openUF implementation. The daemon is a
single-process, single-threaded OpenWrt service. Its main loop wakes once per
second and schedules discovery, LLDP, and controller inform work.
## Safety first
openUF runs as root. It can replace managed Wi-Fi configuration, create VLAN
devices, send raw Ethernet frames, reboot the device, and persist adoption
credentials. Do not run the daemon itself on a development workstation.
Compile it with the OpenWrt toolchain and perform runtime tests on a disposable
OpenWrt access point.
Protocol debug level 2 can log decrypted credentials. Never enable it by
default, attach those logs to issues, or commit controller payload captures.
## Source layout
| Module | Responsibility |
| --- | --- |
| `src/announce.c` | UniFi layer-2 UDP discovery. |
| `src/clients.c` | Wireless and bridge client telemetry. |
| `src/config.c` | Static daemon configuration parser and defaults. |
| `src/crypto.c` | AES-CBC, AES-GCM, and encoding helpers. |
| `src/http.c` | Minimal HTTP/1.0 transport. |
| `src/inform/inform.c` | One inform request/response exchange. |
| `src/inform/packet.c` | TNBU binary envelope codec. |
| `src/inform/payload.c` | Inform JSON telemetry assembly. |
| `src/inform/response.c` | Controller command and provisioning dispatch. |
| `src/lldp.c` | LLDP frame transmission and neighbor collection. |
| `src/main.c` | Daemon lifecycle and one-second scheduler. |
| `src/models.c` | Emulated hardware model registry. |
| `src/state.c` | Persistent adoption and controller state. |
| `src/sysinfo.c` | Kernel and nl80211 device telemetry. |
| `src/wlan/common.c` | Shared Wi-Fi translations and validators. |
| `src/wlan/legacy.c` | Legacy system_cfg translation. |
| `src/wlan/provision.c` | Modern setstate Wi-Fi provisioning. |
| `src/wlan/radio.c` | Runtime radio mapping and radio settings. |
| `src/wlan/telemetry.c` | Managed VAP telemetry from UCI and nl80211. |
| `src/wlan/uci.c` | Reusable UCI, VLAN, steering, and cleanup operations. |
Public contracts remain in `src/*.h`. The `src/inform/` and `src/wlan/`
directories contain private implementation units; their `*_internal.h` files
are not stable interfaces for other subsystems.
## Runtime architecture
`main()` loads static configuration, persistent controller state, and the
emulated model. It discovers the LAN MAC/IP and an initial controller from the
default route when no explicit controller is configured. The main loop then
schedules:
1. `announce_send()` for UniFi UDP discovery.
2. `lldp_send_frame()` for each model Ethernet port.
3. `inform_send()` for adoption, telemetry, commands, and provisioning.
See [[Runtime Flow|Runtime-Flow]] for the decision flow and
[[Function Call Graph|Call-Graph]] for generated caller/callee relationships.
## Inform and adoption invariants
- The TNBU layout, big-endian fields, flag meanings, authenticated header, and
cipher selection are controller compatibility constraints.
- An unadopted device always encrypts with `DEFAULT_AUTH_KEY`, even if stale
state contains another key.
- The controller response is decoded before command dispatch. Adoption can be
completed through either legacy `set-adopt` or modern `setparam` data.
- `cfgversion` records configuration that was successfully applied locally.
Failed provisioning resets it to `"0"` so the controller retries.
- Increase `OPENUF_CONFIG_SCHEMA` only when an existing persisted
configuration must be reapplied after an upgrade.
## Wi-Fi ownership and provisioning
Only UCI `wifi-iface` sections prefixed with `openuf_` belong to this daemon.
Cleanup must preserve every unrelated section. Controller VAP ObjectIds are
stored in `openuf_vap_id` so client topology remains stable across reprovision.
Modern `setstate` data is applied by `wlan_apply_config()`. Legacy
newline-separated `system_cfg` data is first translated to the same JSON shape
by `wlan_apply_system_cfg()`, keeping one provisioning path responsible for UCI
commits and radio startup.
Model band and port assumptions belong in `models.c`. The runtime radio mapper
may resolve a model band to a different local PHY, but protocol and telemetry
code must not invent model-specific mappings.
## Common development tasks
### Add telemetry
1. Add a bounded reader to `sysinfo.c`, `clients.c`, or another focused module.
2. Add the controller field in `inform/payload.c`.
3. Document units, fallback behavior, ownership, and any sensitive content.
4. Regenerate this Wiki and cross-build the package.
### Add a controller command
1. Extend dispatch in `inform/response.c`.
2. Validate controller values before changing state or invoking a command.
3. Save state only after a coherent transition.
4. Preserve adoption-key and `cfgversion` behavior.
### Add a Wi-Fi setting
1. Parse controller aliases in `wlan/provision.c` or `wlan/legacy.c`.
2. Put reusable UCI work in `wlan/uci.c` and translations in `wlan/common.c`.
3. Report the effective value from `wlan/telemetry.c` when the controller
expects it in `vap_table`.
4. Test on device; a successful cross-build cannot validate netifd/hostapd
behavior.
### Add or change a model
Update `ufmodel.h`, the complete model entry in `models.c`, and every affected
telemetry or WLAN consumer together. Do not scatter model checks across the
protocol implementation.
## Build and validation
From the OpenWrt root:
```sh
make package/OpenUniFi/compile
```
Use `V=s` for detailed compiler diagnostics. If a clean package rebuild is
needed, clean only this package:
```sh
make package/OpenUniFi/clean
make package/OpenUniFi/compile
```
`Makefile.standalone` is only for compiling directly on an OpenWrt device with
development packages installed. It is not a host-side test substitute.
## Documentation workflow
Generate pages after changing C code or architecture:
```sh
./scripts/docs/generate-wiki.py
```
Run the linter-style drift and structure check in CI or before committing:
```sh
./scripts/docs/generate-wiki.py --check
```
The checker parses C functions recursively, rebuilds internal call edges,
validates required runtime entry points, rejects known non-English comment
fragments, and limits each implementation unit to
900 lines.
## Publishing to the Gitea Wiki
Gitea stores a repository Wiki in a separate Git repository whose URL normally
ends in `.wiki.git`. The generated `wiki/` directory is ready for that remote.
Run `scripts/docs/publish-wiki.sh` from a trusted machine with suitable
credentials. It derives the Wiki remote from `origin`; an explicit URL may be
passed when needed. The publisher regenerates and checks the pages,
updates only the generated Markdown files, commits changed pages, and pushes
them to the Wiki repository.
wiki/Home.md
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# openUF Developer Wiki
This Wiki is generated from the current source tree and maintained in the main
repository so architecture documentation changes can be reviewed with code.
- [[Developer Guide|Developer-Guide]] — architecture, invariants, extension
points, build validation, and Wiki publishing.
- [[Runtime Flow|Runtime-Flow]] — lifecycle, inform, response, and Wi-Fi
provisioning flow charts.
- [[Function Call Graph|Call-Graph]] — generated internal caller/callee graph
and searchable function table.
Run `./scripts/docs/generate-wiki.py --check` to verify these pages are current.
wiki/Runtime-Flow.md
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# Runtime Flow
The flow is generated alongside the call graph. Function names are validated
against the current C sources so renamed or removed stages fail documentation
checks.
## Daemon scheduler
```mermaid
flowchart TD
start([main]) --> config[config_load]
config --> state[state_load]
state --> model[ufmodel_find]
model --> identity[Read LAN MAC, IP, and default gateway]
identity --> persist[state_save]
persist --> announceInit[announce_init when enabled]
announceInit --> loop{One-second main loop}
loop -->|announce due| announce[announce_send]
announce --> loop
loop -->|LLDP due| ports{For every model port}
ports --> lldp[lldp_send_frame]
lldp --> loop
loop -->|inform due| refresh[Refresh controller URL and device IP]
refresh --> inform[inform_send]
inform --> loop
loop -->|nothing due| sleep[sleep 1 second]
sleep --> loop
```
## Inform exchange
```mermaid
flowchart TD
send([inform_send]) --> url{inform URL available?}
url -->|no| error[Return an error]
url -->|yes| key{Device adopted?}
key -->|no| defaultKey[Use DEFAULT_AUTH_KEY]
key -->|yes| stateKey[Use persisted device key]
defaultKey --> payload[inform_build_payload]
stateKey --> payload
payload --> packet[inform_packet_build]
packet --> post[http_post]
post --> status{HTTP 200?}
status -->|no, first attempt| retry[Retry with alternate CBC or GCM cipher]
retry --> packet
status -->|no, final attempt| error
status -->|yes| decode[inform_packet_parse]
decode --> json[Parse controller JSON]
json --> handle[inform_handle_response]
```
## Controller response and provisioning
```mermaid
flowchart TD
response([inform_handle_response]) --> type{_type}
type -->|noop| done[No state change]
type -->|upgrade| version[Persist requested firmware version]
type -->|reboot or reset| reboot[reboot_openwrt]
type -->|cmd adopt| adopt[Persist key, URL, and adopted state]
type -->|setparam| params[Parse management parameters]
params --> legacy{system_cfg present?}
legacy -->|yes| legacyApply[wlan_apply_system_cfg]
legacyApply --> normalize[Build radio_table and vap_table JSON]
normalize --> apply[wlan_apply_config]
type -->|setstate| apply
apply --> ids[wlan_ensure_vap_ids]
ids --> clear[wlan_clear managed openuf_ VAPs]
clear --> radios[wlan_apply_radio for each band]
radios --> vaps[Create controller VAP sections]
vaps --> commit[Commit UCI and configure usteer]
commit --> start[Start and verify radios sequentially]
start --> result{Apply succeeded?}
result -->|yes| saved[Save cfgversion and config schema]
result -->|no| retryConfig[Reset cfgversion to 0]
```
wiki/_Sidebar.md
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- [[Home]]
- [[Developer Guide|Developer-Guide]]
- [[Runtime Flow|Runtime-Flow]]
- [[Function Call Graph|Call-Graph]]