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components/wpa_supplicant/esp_supplicant/src/esp_common.c
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/*
* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#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"
#include "rsn_supp/wpa_i.h"
#include "rsn_supp/wpa.h"
#include "esp_private/wifi.h"
#if CONFIG_ESP_WIFI_ENABLE_ROAMING_APP
#include "esp_roaming.h"
#endif
/* Utility Functions */
esp_err_t esp_supplicant_str_to_mac(const char *str, uint8_t dest[6])
{
if (hwaddr_aton2(str, dest) < 0) {
return ESP_FAIL;
}
return ESP_OK;
}
struct wpa_supplicant g_wpa_supp;
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#if defined(CONFIG_RRM)
static void handle_rrm_frame(struct wpa_supplicant *wpa_s, u8 *sender,
u8 *payload, size_t len, int8_t 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);
}
}
#endif /* CONFIG_RRM */
static int mgmt_rx_action(u8 *frame, size_t len, u8 *sender, int8_t rssi, u8 channel)
{
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 = *frame++;
len--;
#if defined(CONFIG_WNM)
if (category == WLAN_ACTION_WNM) {
ieee802_11_rx_wnm_action(wpa_s, sender, frame, len);
}
#endif /* CONFIG_WNM */
#if defined(CONFIG_RRM)
if (category == WLAN_ACTION_RADIO_MEASUREMENT) {
handle_rrm_frame(wpa_s, sender, frame, len, rssi);
}
#endif /* CONFIG_RRM */
return 0;
}
static void clear_bssid_flag_and_channel(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);
if (config->sta.bssid_set || config->sta.channel) {
config->sta.channel = 0;
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 register_mgmt_frames(struct wpa_supplicant *wpa_s)
{
wpa_s->type &= ~(1 << WLAN_FC_STYPE_ACTION);
/* subtype is defined only for action frame */
wpa_s->subtype = 0;
#ifdef CONFIG_RRM
/* 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;
}
#endif /* CONFIG_RRM */
#ifdef CONFIG_WNM
if (esp_wifi_is_btm_enabled_internal(WIFI_IF_STA)) {
wpa_s->subtype |= 1 << WLAN_ACTION_WNM;
}
#endif /* CONFIG_WNM */
if (wpa_s->subtype) {
wpa_s->type |= 1 << WLAN_FC_STYPE_ACTION;
}
#ifdef CONFIG_IEEE80211R
/* register auth/assoc frames if FT is enabled */
if (esp_wifi_is_ft_enabled_internal(ESP_IF_WIFI_STA))
wpa_s->type |= (1 << WLAN_FC_STYPE_AUTH) |
(1 << WLAN_FC_STYPE_ASSOC_RESP) |
(1 << WLAN_FC_STYPE_REASSOC_RESP);
#endif /* CONFIG_IEEE80211R */
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
}
#ifdef CONFIG_IEEE80211R
static int handle_auth_frame(u8 *frame, size_t len,
u8 *sender, int8_t rssi, u8 channel)
{
if (gWpaSm.key_mgmt == WPA_KEY_MGMT_FT_PSK) {
if (gWpaSm.ft_protocol) {
if (wpa_ft_process_response(&gWpaSm, frame + 6,
len - 6, 0, sender, NULL, 0) < 0) {
wpa_sm_set_ft_params(&gWpaSm, NULL, 0);
return -1;
}
}
}
return 0;
}
static int handle_assoc_frame(u8 *frame, size_t len,
u8 *sender, int8_t rssi, u8 channel)
{
if (gWpaSm.key_mgmt == WPA_KEY_MGMT_FT_PSK) {
if (gWpaSm.ft_protocol) {
if (wpa_ft_validate_reassoc_resp(&gWpaSm, frame + 6, len - 6, sender)) {
wpa_sm_set_ft_params(&gWpaSm, NULL, 0);
return -1;
}
}
wpa_sm_set_ft_params(&gWpaSm, frame + 6, len - 6);
}
return 0;
}
static void wpa_sta_clear_ft_auth_ie(void)
{
struct wpa_sm *sm = &gWpaSm;
wpa_printf(MSG_DEBUG, "Clearing all FT IE parameters and keys");
/* Reset FT parameters */
wpa_sm_set_ft_params(sm, NULL, 0);
esp_wifi_unset_appie_internal(WIFI_APPIE_RAM_STA_AUTH);
sm->ft_reassoc_completed = 0;
sm->ft_protocol = 0;
/* Clear pmk and ptk */
wpa_sm_drop_sa(sm);
}
#endif /* CONFIG_IEEE80211R */
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
void esp_supplicant_unset_all_appie(void)
{
uint8_t appie;
for (appie = WIFI_APPIE_PROBEREQ; appie < WIFI_APPIE_RAM_MAX; appie++) {
esp_wifi_unset_appie_internal(appie);
}
}
static int ieee80211_handle_rx_frm(u8 type, u8 *frame, size_t len, u8 *sender,
int8_t rssi, u8 channel, u64 current_tsf)
{
int ret = 0;
switch (type) {
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
case WLAN_FC_STYPE_BEACON:
case WLAN_FC_STYPE_PROBE_RESP:
ret = esp_handle_beacon_probe(type, frame, len, sender, rssi, channel, current_tsf);
break;
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
#ifdef CONFIG_IEEE80211R
case WLAN_FC_STYPE_AUTH:
ret = handle_auth_frame(frame, len, sender, rssi, channel);
break;
#endif /* CONFIG_IEEE80211R */
case WLAN_FC_STYPE_ASSOC_RESP:
case WLAN_FC_STYPE_REASSOC_RESP:
#ifdef CONFIG_IEEE80211R
ret = handle_assoc_frame(frame, len, sender, rssi, channel);
#endif /* CONFIG_IEEE80211R */
wpa_sm_notify_assoc(&gWpaSm, sender);
break;
#if defined(CONFIG_IEEE80211KV)
case WLAN_FC_STYPE_ACTION:
mgmt_rx_action(frame, len, sender, rssi, channel);
break;
#endif /* defined(CONFIG_IEEE80211KV) */
default:
ret = -1;
break;
}
return ret;
}
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#ifdef CONFIG_MBO
bool mbo_bss_profile_match(u8 *bssid)
{
/* In case supplicant wants drivers to skip this BSS, return false */
struct wpa_bss *bss = wpa_bss_get_bssid(&g_wpa_supp, bssid);
if (!bss) {
return true;
}
const u8 *assoc_disallow = wpas_mbo_get_bss_attr(bss, MBO_ATTR_ID_ASSOC_DISALLOW);
if (assoc_disallow && assoc_disallow[1] >= 1) {
wpa_printf(MSG_DEBUG,
"skip - MBO association disallowed (reason %u)", assoc_disallow[2]);
return false;
}
if (wpa_is_bss_tmp_disallowed(&g_wpa_supp, bss)) {
wpa_printf(MSG_DEBUG,
"skip - BSS is temporary disallowed");
return false;
}
return true;
}
#endif /* CONFIG_MBO */
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
int esp_supplicant_common_init(struct wpa_funcs *wpa_cb)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
int ret = 0;
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#if defined(CONFIG_RRM)
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
#endif /* defined(CONFIG_RRM) */
esp_scan_init(wpa_s);
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
wpa_s->type = 0;
wpa_s->subtype = 0;
wpa_s->type |= (1 << WLAN_FC_STYPE_ASSOC_RESP) | (1 << WLAN_FC_STYPE_REASSOC_RESP) | (1 << WLAN_FC_STYPE_AUTH);
if (esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype) != ESP_OK) {
ret = -1;
goto err;
}
wpa_cb->wpa_sta_rx_mgmt = ieee80211_handle_rx_frm;
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#ifdef CONFIG_MBO
dl_list_init(&wpa_s->bss_tmp_disallowed);
#endif /* CONFIG_MBO */
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
return 0;
err:
esp_supplicant_common_deinit();
return ret;
}
void esp_supplicant_common_deinit(void)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
esp_scan_deinit(wpa_s);
#if defined(CONFIG_RRM)
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
#endif /* defined(CONFIG_RRM) */
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
if (wpa_s->type) {
wpa_s->type = 0;
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
}
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
}
void supplicant_sta_conn_handler(uint8_t *bssid)
{
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
u8 *ie;
struct wpa_supplicant *wpa_s = &g_wpa_supp;
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 mgmt frames */
register_mgmt_frames(wpa_s);
/* clear set bssid flag */
clear_bssid_flag_and_channel(wpa_s);
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
}
void supplicant_sta_disconn_handler(uint8_t reason_code)
{
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
struct wpa_sm *sm = &gWpaSm;
struct wpa_supplicant *wpa_s = &g_wpa_supp;
#if defined(CONFIG_RRM)
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
/* Not clearing in case of roaming disconnect as BTM induced connection
* itself sets a specific bssid and channel to connect to before disconnection.
* Subsequent connections or disconnections will clear this flag */
if (reason_code != WIFI_REASON_ROAMING) {
clear_bssid_flag_and_channel(wpa_s);
}
#endif /* defined(CONFIG_RRM) */
if (wpa_s->current_bss) {
wpa_s->current_bss = NULL;
}
#if defined(CONFIG_IEEE80211R)
if (!sm->cur_pmksa) {
/* clear all ft auth related IEs so that next will be open auth */
wpa_sta_clear_ft_auth_ie();
}
#endif
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
}
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#if defined(CONFIG_RRM)
bool esp_rrm_is_rrm_supported_connection(void)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
if (!wpa_s->current_bss) {
wpa_printf(MSG_DEBUG, "STA not associated, return");
return false;
}
if (!(wpa_s->rrm_ie[0] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) {
wpa_printf(MSG_DEBUG,
"RRM: No network support for Neighbor Report.");
return false;
}
return true;
}
/*This function has been deprecated in favour of esp_rrm_send_neighbor_report_request*/
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;
if (!wpa_s->current_bss) {
wpa_printf(MSG_ERROR, "STA not associated, return");
return -2;
}
if (!(wpa_s->rrm_ie[0] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) {
wpa_printf(MSG_ERROR,
"RRM: No network support for Neighbor Report.");
return -1;
}
ssid = esp_wifi_sta_get_prof_ssid_internal();
os_memcpy(wpa_ssid.ssid, ssid->ssid, ssid->len);
wpa_ssid.ssid_len = ssid->len;
return wpas_rrm_send_neighbor_rep_request(wpa_s, &wpa_ssid, 0, 0, cb, cb_ctx);
}
void neighbor_report_recvd_cb(void *ctx, const uint8_t *report, size_t report_len)
{
if (!report) {
wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report - NONE");
esp_event_post(WIFI_EVENT, WIFI_EVENT_STA_NEIGHBOR_REP, NULL, 0, 0);
return;
}
wpa_printf(MSG_DEBUG, "RRM: Notifying neighbor report (token = %d)", report[0]);
wifi_event_neighbor_report_t *neighbor_report_event = os_zalloc(sizeof(wifi_event_neighbor_report_t) + report_len);
if (!neighbor_report_event) {
wpa_printf(MSG_DEBUG, "memory alloc failed");
return;
}
os_memcpy(neighbor_report_event->report, report, ESP_WIFI_MAX_NEIGHBOR_REP_LEN);
os_memcpy(neighbor_report_event->n_report, report, report_len);
neighbor_report_event->report_len = report_len;
esp_event_post(WIFI_EVENT, WIFI_EVENT_STA_NEIGHBOR_REP, neighbor_report_event, sizeof(wifi_event_neighbor_report_t) + report_len, 0);
os_free(neighbor_report_event);
}
int esp_rrm_send_neighbor_report_request(void)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
struct wpa_ssid_value wpa_ssid = {0};
struct wifi_ssid *ssid;
if (!wpa_s->current_bss) {
wpa_printf(MSG_ERROR, "STA not associated, return");
return -2;
}
if (!(wpa_s->rrm_ie[0] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) {
wpa_printf(MSG_ERROR,
"RRM: No network support for Neighbor Report.");
return -1;
}
ssid = esp_wifi_sta_get_prof_ssid_internal();
os_memcpy(wpa_ssid.ssid, ssid->ssid, ssid->len);
wpa_ssid.ssid_len = ssid->len;
return wpas_rrm_send_neighbor_rep_request(wpa_s, &wpa_ssid, 0, 0, neighbor_report_recvd_cb, NULL);
}
static size_t get_rm_enabled_ie(uint8_t *ie, size_t len)
{
uint8_t rrm_ie[7] = {0};
uint8_t rrm_ie_len = 5;
uint8_t *pos = rrm_ie;
if (!esp_wifi_is_rm_enabled_internal(WIFI_IF_STA)) {
return 0;
}
*pos++ = WLAN_EID_RRM_ENABLED_CAPABILITIES;
*pos++ = rrm_ie_len;
*pos |= WLAN_RRM_CAPS_LINK_MEASUREMENT;
*pos |= WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
#ifdef SCAN_CACHE_SUPPORTED
WLAN_RRM_CAPS_BEACON_REPORT_TABLE |
#endif /* SCAN_CACHE_SUPPORTED */
WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE;
os_memcpy(ie, rrm_ie, sizeof(rrm_ie));
return rrm_ie_len + 2;
}
#endif /* defined(CONFIG_RRM) */
#if defined(CONFIG_WNM)
bool esp_wnm_is_btm_supported_connection(void)
{
struct wpa_supplicant *wpa_s = &g_wpa_supp;
if (!wpa_s->current_bss) {
wpa_printf(MSG_DEBUG, "STA not associated, return");
return false;
}
if (!wpa_bss_ext_capab(wpa_s->current_bss, WLAN_EXT_CAPAB_BSS_TRANSITION)) {
wpa_printf(MSG_DEBUG, "AP doesn't support BTM, return");
return false;
}
return true;
}
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;
if (!wpa_s->current_bss) {
wpa_printf(MSG_ERROR, "STA not associated, return");
return -2;
}
if (!wpa_bss_ext_capab(wpa_s->current_bss, WLAN_EXT_CAPAB_BSS_TRANSITION)) {
wpa_printf(MSG_ERROR, "AP doesn't support BTM, return");
return -1;
}
return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, btm_candidates, cand_list);
}
static uint8_t get_extended_caps_ie(uint8_t *ie, size_t len)
{
uint8_t ext_caps_ie[5] = {0};
uint8_t ext_caps_ie_len = 3;
uint8_t *pos = ext_caps_ie;
wifi_ioctl_config_t cfg = {0};
esp_err_t err = 0;
if (!esp_wifi_is_btm_enabled_internal(WIFI_IF_STA)) {
return 0;
}
*pos++ = WLAN_EID_EXT_CAPAB;
*pos++ = ext_caps_ie_len;
err = esp_wifi_internal_ioctl(WIFI_IOCTL_GET_STA_HT2040_COEX, &cfg);
if (err == ESP_OK && cfg.data.ht2040_coex.enable) {
*pos++ |= BIT(WLAN_EXT_CAPAB_20_40_COEX);
} else {
*pos++ = 0;
}
*pos ++ = 0;
#define CAPAB_BSS_TRANSITION BIT(3)
*pos |= CAPAB_BSS_TRANSITION;
#undef CAPAB_BSS_TRANSITION
os_memcpy(ie, ext_caps_ie, sizeof(ext_caps_ie));
return ext_caps_ie_len + 2;
}
#endif /* defined(CONFIG_WNM) */
#ifdef CONFIG_MBO
int esp_mbo_update_non_pref_chan(struct non_pref_chan_s *non_pref_chan)
{
int ret = wpas_mbo_update_non_pref_chan(&g_wpa_supp, non_pref_chan);
return ret;
}
static size_t get_mbo_oce_scan_ie(uint8_t *ie, size_t len)
{
uint8_t mbo_ie[32] = {0};
uint8_t mbo_ie_len = 32;
/* Return if MBO IE is not enabled in driver */
if (!esp_wifi_is_mbo_enabled_internal(WIFI_IF_STA)) {
return 0;
}
struct wpabuf *default_ies = NULL;
if (wpabuf_resize(&default_ies, 18) == 0) {
wpas_mbo_scan_ie(&g_wpa_supp, default_ies);
os_memcpy(mbo_ie, wpabuf_head_u8(default_ies), wpabuf_len(default_ies));
mbo_ie_len = wpabuf_len(default_ies);
wpabuf_free(default_ies);
}
os_memcpy(ie, mbo_ie, mbo_ie_len);
return mbo_ie_len;
}
static size_t get_mbo_oce_assoc_ie(uint8_t *ie, size_t len)
{
uint8_t mbo_ie[32] = {0};
uint8_t mbo_ie_len = 32;
/* Return if MBO IE is not enabled in driver */
if (!esp_wifi_is_mbo_enabled_internal(WIFI_IF_STA)) {
return 0;
}
mbo_ie_len = wpas_mbo_ie(&g_wpa_supp, mbo_ie, mbo_ie_len, 0);
os_memcpy(ie, mbo_ie, mbo_ie_len);
return mbo_ie_len;
}
static uint8_t get_operating_class_ie(uint8_t *ie, size_t len)
{
uint8_t op_class_ie[4] = {0};
uint8_t op_class_ie_len = 2;
uint8_t *pos = op_class_ie;
*pos++ = WLAN_EID_SUPPORTED_OPERATING_CLASSES;
*pos++ = op_class_ie_len;
#define OPER_CLASS 0x51
/* Current Operating Class */
*pos++ = OPER_CLASS;
#undef OPER_CLASS
*pos = 0;
os_memcpy(ie, op_class_ie, sizeof(op_class_ie));
return op_class_ie_len + 2;
}
#endif /* CONFIG_MBO */
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;
config->sta.channel = bss->channel;
/* supplicant connect will only be called in case of bss transition(roaming) */
esp_wifi_internal_issue_disconnect(WIFI_REASON_BSS_TRANSITION_DISASSOC);
esp_wifi_set_config(WIFI_IF_STA, config);
os_free(config);
esp_wifi_connect();
}
void esp_set_scan_ie(void)
{
#ifdef CONFIG_WNM
#define SCAN_IE_LEN 64
uint8_t *ie, *pos;
size_t len = SCAN_IE_LEN, ie_len;
ie = os_malloc(SCAN_IE_LEN);
if (!ie) {
wpa_printf(MSG_ERROR, "failed to allocate ie");
return;
}
pos = ie;
ie_len = get_extended_caps_ie(pos, len);
pos += ie_len;
len -= ie_len;
#ifdef CONFIG_MBO
ie_len = get_mbo_oce_scan_ie(pos, len);
pos += ie_len;
len -= ie_len;
#endif /* CONFIG_MBO */
esp_wifi_unset_appie_internal(WIFI_APPIE_PROBEREQ);
esp_wifi_set_appie_internal(WIFI_APPIE_PROBEREQ, ie, SCAN_IE_LEN - len, 0);
os_free(ie);
#undef SCAN_IE_LEN
#endif /* defined(CONFIG_WNM) */
}
#ifdef CONFIG_IEEE80211R
static size_t add_mdie(uint8_t *bssid, uint8_t *ie, size_t len)
{
size_t mdie_len = 0;
struct wpa_sm *sm = &gWpaSm;
/* Return if MBO IE is not enabled in driver */
if (!esp_wifi_is_ft_enabled_internal(WIFI_IF_STA)) {
return 0;
}
struct wpa_bss *bss = wpa_bss_get_bssid(&g_wpa_supp, bssid);
if (bss && wpa_key_mgmt_ft(sm->key_mgmt)) {
const u8 *mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
if (mdie && mdie[1] >= MOBILITY_DOMAIN_ID_LEN) {
const u8 *md = mdie + 2;
const u8 *wpa_md = wpa_sm_get_ft_md(sm);
if (os_memcmp(md, wpa_md,
MOBILITY_DOMAIN_ID_LEN) == 0) {
/* Add mobility domain IE */
mdie_len = wpa_ft_add_mdie(
sm, ie,
len, mdie);
}
}
}
return mdie_len;
}
int wpa_sm_update_ft_ies(struct wpa_sm *sm, const u8 *md,
const u8 *ies, size_t ies_len, bool auth_ie)
{
wpa_printf(MSG_INFO, "Updating FT IEs (len=%d), auth_ie %d ", ies_len, auth_ie);
if (os_memcmp(sm->mobility_domain, md, MOBILITY_DOMAIN_ID_LEN) != 0) {
return 0;
}
/* Update auth IEs to be used in FT association */
if (auth_ie) {
esp_wifi_set_appie_internal(WIFI_APPIE_RAM_STA_AUTH, (u8 *)ies, ies_len, 0);
} else {
esp_set_assoc_ie(sm->bssid, ies, ies_len, false);
}
wpa_printf(MSG_INFO, "Updated FT IEs (len=%d) auth_ie=%d", ies_len, auth_ie);
return 0;
}
#endif /* CONFIG_IEEE80211R */
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 = -1;
wifi_mgmt_frm_req_t *req;
if (!wpa_s->current_bss) {
return ret;
}
req = os_zalloc(sizeof(*req) + data_len);
if (!req) {
return ret;
}
req->ifx = WIFI_IF_STA;
req->subtype = (WLAN_FC_STYPE_ACTION << 4);
req->data_len = data_len;
os_memcpy(req->data, data, req->data_len);
ret = esp_wifi_send_mgmt_frm_internal(req);
if (ret != 0) {
wpa_printf(MSG_ERROR, "action frame sending failed");
} else {
wpa_printf(MSG_INFO, "action frame sent");
}
os_free(req);
return ret;
}
#else /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
void esp_set_scan_ie(void) { }
bool esp_rrm_is_rrm_supported_connection(void)
{
return false;
}
bool esp_wnm_is_btm_supported_connection(void)
{
return false;
}
int esp_rrm_send_neighbor_report_request(void)
{
return -1;
}
int esp_rrm_send_neighbor_rep_request(neighbor_rep_request_cb cb,
void *cb_ctx)
{
return -1;
}
int esp_wnm_send_bss_transition_mgmt_query(enum btm_query_reason query_reason,
const char *btm_candidates,
int cand_list)
{
return -1;
}
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) || defined(CONFIG_WPA3_SAE)
void esp_set_assoc_ie(uint8_t *bssid, const u8 *ies, size_t ies_len, bool mdie)
{
#define ASSOC_IE_LEN 128
uint8_t *ie, *pos;
size_t len = ASSOC_IE_LEN;
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
size_t ie_len;
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
ie = os_malloc(ASSOC_IE_LEN + ies_len);
if (!ie) {
wpa_printf(MSG_ERROR, "failed to allocate ie");
return;
}
pos = ie;
#if defined(CONFIG_RRM)
ie_len = get_rm_enabled_ie(pos, len);
pos += ie_len;
len -= ie_len;
#ifdef CONFIG_MBO
ie_len = get_operating_class_ie(pos, len);
pos += ie_len;
len -= ie_len;
ie_len = get_mbo_oce_assoc_ie(pos, len);
pos += ie_len;
len -= ie_len;
#endif /* CONFIG_MBO */
#endif /* defined(CONFIG_RRM) */
#ifdef CONFIG_IEEE80211R
if (mdie) {
ie_len = add_mdie(bssid, pos, len);
pos += ie_len;
len -= ie_len;
}
#endif /* CONFIG_IEEE80211R */
if (ies_len) {
os_memcpy(pos, ies, ies_len);
pos += ies_len;
len -= ies_len;
}
esp_wifi_set_appie_internal(WIFI_APPIE_ASSOC_REQ, ie, ASSOC_IE_LEN - len, 0);
os_free(ie);
#undef ASSOC_IE_LEN
}
#else
void esp_set_assoc_ie(uint8_t *bssid, const u8 *ies, size_t ies_len, bool mdie) { }
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) || defined(CONFIG_WPA3_SAE) */
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