mirror of
https://github.com/espressif/esp-idf.git
synced 2025-08-23 09:20:30 +00:00
wpa_supplicant: bypass sonar checks for upstream code
This commit is contained in:
Kapil Gupta
415
components/wpa_supplicant/esp_supplicant/src/esp_common.c
Normal file
415
components/wpa_supplicant/esp_supplicant/src/esp_common.c
Normal file
@@ -0,0 +1,415 @@
|
||||
/**
|
||||
* Copyright 2020 Espressif Systems (Shanghai) PTE LTD
|
||||
*
|
||||
* 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 "utils/includes.h"
|
||||
#include "utils/common.h"
|
||||
#include "esp_event.h"
|
||||
#include "esp_wifi.h"
|
||||
#include "esp_wifi_types.h"
|
||||
#include "esp_wifi_driver.h"
|
||||
#include "drivers/driver.h"
|
||||
#include "common/bss.h"
|
||||
#include "common/rrm.h"
|
||||
#include "common/wnm_sta.h"
|
||||
#include "common/wpa_supplicant_i.h"
|
||||
#include "esp_scan_i.h"
|
||||
#include "esp_common_i.h"
|
||||
#include "common/ieee802_11_common.h"
|
||||
#include "esp_rrm.h"
|
||||
#include "esp_wnm.h"
|
||||
|
||||
struct wpa_supplicant g_wpa_supp;
|
||||
|
||||
static void *s_supplicant_task_hdl = NULL;
|
||||
static void *s_supplicant_evt_queue = NULL;
|
||||
static void *s_supplicant_api_lock = NULL;
|
||||
|
||||
static int esp_handle_action_frm(u8 *frame, size_t len,
|
||||
u8 *sender, u32 rssi, u8 channel)
|
||||
{
|
||||
struct ieee_mgmt_frame *frm = os_malloc(sizeof(struct ieee_mgmt_frame) + len);
|
||||
|
||||
if (!frm) {
|
||||
wpa_printf(MSG_ERROR, "memory allocation failed");
|
||||
return -1;
|
||||
}
|
||||
|
||||
os_memcpy(frm->sender, sender, ETH_ALEN);
|
||||
frm->len = len;
|
||||
frm->channel = channel;
|
||||
frm->rssi = rssi;
|
||||
|
||||
os_memcpy(frm->payload, frame, len);
|
||||
if (esp_supplicant_post_evt(SIG_SUPPLICANT_RX_ACTION, (u32)frm) != 0) {
|
||||
os_free(frm);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void esp_rx_rrm_frame(struct wpa_supplicant *wpa_s, u8 *sender,
|
||||
u8 *payload, size_t len, u32 rssi)
|
||||
{
|
||||
if (payload[0] == WLAN_RRM_NEIGHBOR_REPORT_RESPONSE) {
|
||||
/* neighbor report parsing */
|
||||
wpas_rrm_process_neighbor_rep(wpa_s, payload + 1, len - 1);
|
||||
} else if (payload[0] == WLAN_RRM_RADIO_MEASUREMENT_REQUEST) {
|
||||
/* Beacon measurement */
|
||||
wpas_rrm_handle_radio_measurement_request(wpa_s, NULL,
|
||||
sender, payload + 1, len - 1);
|
||||
} else if (payload[0] == WLAN_RRM_LINK_MEASUREMENT_REQUEST) {
|
||||
/* Link measurement */
|
||||
wpas_rrm_handle_link_measurement_request(wpa_s, NULL,
|
||||
payload + 1, len - 1, rssi);
|
||||
}
|
||||
}
|
||||
|
||||
static int esp_mgmt_rx_action(u8 *sender, u8 *payload, size_t len, u8 channel, u32 rssi)
|
||||
{
|
||||
u8 category;
|
||||
u8 bssid[ETH_ALEN];
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
int ret = esp_wifi_get_assoc_bssid_internal(bssid);
|
||||
|
||||
if (ret < 0) {
|
||||
wpa_printf(MSG_INFO, "STA not associated");
|
||||
return -1;
|
||||
}
|
||||
|
||||
category = *payload++;
|
||||
len--;
|
||||
if (category == WLAN_ACTION_WNM) {
|
||||
ieee802_11_rx_wnm_action(wpa_s, sender, payload, len);
|
||||
} else if (category == WLAN_ACTION_RADIO_MEASUREMENT) {
|
||||
esp_rx_rrm_frame(wpa_s, sender, payload, len, rssi);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void esp_btm_rrm_task(void *pvParameters)
|
||||
{
|
||||
supplicant_event_t *evt;
|
||||
bool task_del = false;
|
||||
|
||||
while(1) {
|
||||
if (xQueueReceive(s_supplicant_evt_queue, &evt, portMAX_DELAY) != pdTRUE)
|
||||
continue;
|
||||
|
||||
/* event validation failed */
|
||||
if (evt->id >= SIG_SUPPLICANT_MAX) {
|
||||
os_free(evt);
|
||||
continue;
|
||||
}
|
||||
|
||||
switch (evt->id) {
|
||||
case SIG_SUPPLICANT_RX_ACTION:
|
||||
{
|
||||
struct ieee_mgmt_frame *frm = (struct ieee_mgmt_frame *)evt->data;
|
||||
esp_mgmt_rx_action(frm->sender, frm->payload, frm->len, frm->channel, frm->rssi);
|
||||
os_free(frm);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIG_SUPPLICANT_SCAN_DONE:
|
||||
esp_supplicant_handle_scan_done_evt();
|
||||
break;
|
||||
case SIG_SUPPLICANT_DEL_TASK:
|
||||
task_del = true;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
os_free(evt);
|
||||
|
||||
if (task_del)
|
||||
break;
|
||||
}
|
||||
|
||||
vQueueDelete(s_supplicant_evt_queue);
|
||||
s_supplicant_evt_queue = NULL;
|
||||
|
||||
if (s_supplicant_api_lock) {
|
||||
vSemaphoreDelete(s_supplicant_api_lock);
|
||||
s_supplicant_api_lock = NULL;
|
||||
}
|
||||
|
||||
/* At this point, we completed */
|
||||
vTaskDelete(NULL);
|
||||
}
|
||||
|
||||
static void esp_clear_bssid_flag(struct wpa_supplicant *wpa_s)
|
||||
{
|
||||
wifi_config_t *config;
|
||||
|
||||
/* Reset only if btm is enabled */
|
||||
if (esp_wifi_is_btm_enabled_internal(WIFI_IF_STA) == false)
|
||||
return;
|
||||
|
||||
config = os_zalloc(sizeof(wifi_config_t));
|
||||
|
||||
if (!config) {
|
||||
wpa_printf(MSG_ERROR, "failed to allocate memory");
|
||||
return;
|
||||
}
|
||||
|
||||
esp_wifi_get_config(WIFI_IF_STA, config);
|
||||
config->sta.bssid_set = 0;
|
||||
esp_wifi_set_config(WIFI_IF_STA, config);
|
||||
os_free(config);
|
||||
wpa_printf(MSG_DEBUG, "cleared bssid flag");
|
||||
}
|
||||
|
||||
static void esp_register_action_frame(struct wpa_supplicant *wpa_s)
|
||||
{
|
||||
wpa_s->type &= ~WLAN_FC_STYPE_ACTION;
|
||||
/* subtype is defined only for action frame */
|
||||
wpa_s->subtype = 0;
|
||||
|
||||
/* current supported features in supplicant: rrm and btm */
|
||||
if (esp_wifi_is_rm_enabled_internal(WIFI_IF_STA))
|
||||
wpa_s->subtype = 1 << WLAN_ACTION_RADIO_MEASUREMENT;
|
||||
if (esp_wifi_is_btm_enabled_internal(WIFI_IF_STA))
|
||||
wpa_s->subtype |= 1 << WLAN_ACTION_WNM;
|
||||
|
||||
if (wpa_s->subtype)
|
||||
wpa_s->type |= 1 << WLAN_FC_STYPE_ACTION;
|
||||
|
||||
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
|
||||
}
|
||||
|
||||
static void esp_supplicant_sta_conn_handler(void* arg, esp_event_base_t event_base,
|
||||
int32_t event_id, void* event_data)
|
||||
{
|
||||
u8 bssid[ETH_ALEN];
|
||||
u8 *ie;
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
int ret = esp_wifi_get_assoc_bssid_internal(bssid);
|
||||
if (ret < 0) {
|
||||
wpa_printf(MSG_ERROR, "Not able to get connected bssid");
|
||||
return;
|
||||
}
|
||||
struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, bssid);
|
||||
if (!bss) {
|
||||
wpa_printf(MSG_INFO, "connected bss entry not present in scan cache");
|
||||
return;
|
||||
}
|
||||
wpa_s->current_bss = bss;
|
||||
ie = (u8 *)bss;
|
||||
ie += sizeof(struct wpa_bss);
|
||||
ieee802_11_parse_elems(wpa_s, ie, bss->ie_len);
|
||||
wpa_bss_flush(wpa_s);
|
||||
/* Register for action frames */
|
||||
esp_register_action_frame(wpa_s);
|
||||
/* clear set bssid flag */
|
||||
esp_clear_bssid_flag(wpa_s);
|
||||
}
|
||||
|
||||
static void esp_supplicant_sta_disconn_handler(void* arg, esp_event_base_t event_base,
|
||||
int32_t event_id, void* event_data)
|
||||
{
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
wpas_rrm_reset(wpa_s);
|
||||
if (wpa_s->current_bss) {
|
||||
wpa_s->current_bss = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void esp_supplicant_common_init(struct wpa_funcs *wpa_cb)
|
||||
{
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
|
||||
s_supplicant_evt_queue = xQueueCreate(3, sizeof(supplicant_event_t));
|
||||
xTaskCreate(esp_btm_rrm_task, "btm_rrm_t", SUPPLICANT_TASK_STACK_SIZE, NULL, 2, s_supplicant_task_hdl);
|
||||
|
||||
s_supplicant_api_lock = xSemaphoreCreateRecursiveMutex();
|
||||
if (!s_supplicant_api_lock) {
|
||||
wpa_printf(MSG_ERROR, "esp_supplicant_common_init: failed to create Supplicant API lock");
|
||||
return;
|
||||
}
|
||||
|
||||
esp_scan_init(wpa_s);
|
||||
wpas_rrm_reset(wpa_s);
|
||||
wpas_clear_beacon_rep_data(wpa_s);
|
||||
|
||||
esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED,
|
||||
&esp_supplicant_sta_conn_handler, NULL);
|
||||
esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED,
|
||||
&esp_supplicant_sta_disconn_handler, NULL);
|
||||
|
||||
wpa_s->type = 0;
|
||||
wpa_s->subtype = 0;
|
||||
wpa_cb->wpa_sta_rx_mgmt = esp_ieee80211_handle_rx_frm;
|
||||
}
|
||||
|
||||
void esp_supplicant_common_deinit(void)
|
||||
{
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
|
||||
if (esp_supplicant_post_evt(SIG_SUPPLICANT_DEL_TASK, 0) != 0) {
|
||||
wpa_printf(MSG_ERROR, "failed to send task delete event");
|
||||
}
|
||||
esp_scan_deinit(wpa_s);
|
||||
wpas_rrm_reset(wpa_s);
|
||||
wpas_clear_beacon_rep_data(wpa_s);
|
||||
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED,
|
||||
&esp_supplicant_sta_conn_handler);
|
||||
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED,
|
||||
&esp_supplicant_sta_disconn_handler);
|
||||
}
|
||||
|
||||
int esp_rrm_send_neighbor_rep_request(neighbor_rep_request_cb cb,
|
||||
void *cb_ctx)
|
||||
{
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
struct wpa_ssid_value wpa_ssid = {0};
|
||||
struct wifi_ssid *ssid = esp_wifi_sta_get_prof_ssid_internal();
|
||||
os_memcpy(wpa_ssid.ssid, ssid->ssid, ssid->len);
|
||||
wpa_ssid.ssid_len = ssid->len;
|
||||
wpas_rrm_send_neighbor_rep_request(wpa_s, &wpa_ssid, 0, 0, cb, cb_ctx);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int esp_wnm_send_bss_transition_mgmt_query(enum btm_query_reason query_reason,
|
||||
const char *btm_candidates,
|
||||
int cand_list)
|
||||
{
|
||||
struct wpa_supplicant *wpa_s = &g_wpa_supp;
|
||||
return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, btm_candidates, cand_list);
|
||||
}
|
||||
|
||||
void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
|
||||
struct wpa_bss *bss, char *ssid)
|
||||
{
|
||||
wifi_config_t *config = os_zalloc(sizeof(wifi_config_t));
|
||||
|
||||
if (!config) {
|
||||
wpa_printf(MSG_ERROR, "failed to allocate memory");
|
||||
return;
|
||||
}
|
||||
|
||||
esp_wifi_get_config(WIFI_IF_STA, config);
|
||||
/* We only support roaming in same ESS, therefore only bssid setting is needed */
|
||||
os_memcpy(config->sta.bssid, bss->bssid, ETH_ALEN);
|
||||
config->sta.bssid_set = 1;
|
||||
esp_wifi_internal_issue_disconnect(WIFI_REASON_ROAMING);
|
||||
esp_wifi_set_config(WIFI_IF_STA, config);
|
||||
os_free(config);
|
||||
esp_wifi_connect();
|
||||
}
|
||||
|
||||
void esp_set_rm_enabled_ie(void)
|
||||
{
|
||||
uint8_t rmm_ie[5] = {0};
|
||||
uint8_t rrm_ie_len = 5;
|
||||
uint8_t *pos = rmm_ie;
|
||||
|
||||
*pos |= WLAN_RRM_CAPS_LINK_MEASUREMENT;
|
||||
|
||||
*pos |= WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
|
||||
#ifdef SCAN_CACHE_SUPPORTED
|
||||
WLAN_RRM_CAPS_BEACON_REPORT_TABLE |
|
||||
#endif
|
||||
WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE;
|
||||
|
||||
/* set rm enabled IE if enabled in driver */
|
||||
if (esp_wifi_is_rm_enabled_internal(WIFI_IF_STA)) {
|
||||
esp_wifi_set_appie_internal(WIFI_APPIE_RM_ENABLED_CAPS, rmm_ie, rrm_ie_len, 0);
|
||||
}
|
||||
}
|
||||
|
||||
void esp_get_tx_power(uint8_t *tx_power)
|
||||
{
|
||||
#define DEFAULT_MAX_TX_POWER 19 /* max tx power is 19.5 dbm */
|
||||
s8 power;
|
||||
/* esp sends management frames at max tx power configured */
|
||||
int ret = esp_wifi_get_max_tx_power(&power);
|
||||
if (ret != 0) {
|
||||
wpa_printf(MSG_ERROR, "failed to get tx power");
|
||||
*tx_power = DEFAULT_MAX_TX_POWER;
|
||||
return;
|
||||
}
|
||||
*tx_power = power/4;
|
||||
#undef DEFAULT_MAX_TX_POWER
|
||||
}
|
||||
|
||||
int wpa_drv_send_action(struct wpa_supplicant *wpa_s,
|
||||
unsigned int channel,
|
||||
unsigned int wait,
|
||||
const u8 *data, size_t data_len,
|
||||
int no_cck)
|
||||
{
|
||||
int ret = 0;
|
||||
wifi_mgmt_frm_req_t *req = os_zalloc(sizeof(*req) + data_len);;
|
||||
if (!req)
|
||||
return -1;
|
||||
|
||||
if (!wpa_s->current_bss) {
|
||||
wpa_printf(MSG_ERROR, "STA not associated, return");
|
||||
ret = -1;
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
req->ifx = WIFI_IF_STA;
|
||||
req->subtype = WLAN_FC_STYPE_ACTION;
|
||||
req->data_len = data_len;
|
||||
os_memcpy(req->data, data, req->data_len);
|
||||
|
||||
if (esp_wifi_send_mgmt_frm_internal(req) != 0) {
|
||||
wpa_printf(MSG_ERROR, "action frame sending failed");
|
||||
ret = -1;
|
||||
goto cleanup;
|
||||
}
|
||||
wpa_printf(MSG_INFO, "action frame sent");
|
||||
|
||||
cleanup:
|
||||
os_free(req);
|
||||
return ret;
|
||||
}
|
||||
|
||||
int esp_supplicant_post_evt(uint32_t evt_id, uint32_t data)
|
||||
{
|
||||
supplicant_event_t *evt = os_zalloc(sizeof(supplicant_event_t));
|
||||
if (evt == NULL) {
|
||||
return -1;
|
||||
}
|
||||
evt->id = evt_id;
|
||||
evt->data = data;
|
||||
|
||||
SUPPLICANT_API_LOCK();
|
||||
if (xQueueSend(s_supplicant_evt_queue, &evt, 10 / portTICK_PERIOD_MS ) != pdPASS) {
|
||||
SUPPLICANT_API_UNLOCK();
|
||||
os_free(evt);
|
||||
return -1;
|
||||
}
|
||||
SUPPLICANT_API_UNLOCK();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int esp_ieee80211_handle_rx_frm(u8 type, u8 *frame, size_t len, u8 *sender,
|
||||
u32 rssi, u8 channel, u64 current_tsf)
|
||||
{
|
||||
if (type == WLAN_FC_STYPE_BEACON || type == WLAN_FC_STYPE_PROBE_RESP) {
|
||||
return esp_handle_beacon_probe(type, frame, len, sender, rssi, channel, current_tsf);
|
||||
} else if (type == WLAN_FC_STYPE_ACTION) {
|
||||
return esp_handle_action_frm(frame, len, sender, rssi, channel);
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
Reference in New Issue
Block a user