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esp_wifi: Move wpa_supplicant WIFI_EVENT_STA_CONNECTED and WIFI_EVENT_STA_DISCONNECTED event handlers into callbacks

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Executing supplicant WIFI_EVENT_STA_CONNECTED and WIFI_EVENT_STA_DISCONNECTED handlers in event-handler context can lead to concurrency issues.
Moving the functionality into 'wpa_sta_connected_cb' and 'wpa_sta_disconnected_cb' callbacks and execute in ppTask context.
This commit is contained in:
Sarvesh Bodakhe 2023-03-31 12:32:01 +05:30
parent 7fb6f3b9e3
commit b89a851645
5 changed files with 49 additions and 54 deletions
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2
components/esp_wifi/lib

@ -1 +1 @@
Subproject commit 7a43b39b07837604d52d187dfe46b00cf209e8ea
Subproject commit f23b1bd33376a50d675af6f606e36815f585c543

90
components/wpa_supplicant/esp_supplicant/src/esp_common.c
View File

@ -216,47 +216,6 @@ static void register_mgmt_frames(struct wpa_supplicant *wpa_s)
esp_wifi_register_mgmt_frame_internal(wpa_s->type, wpa_s->subtype);
}
static void 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 mgmt frames */
register_mgmt_frames(wpa_s);
/* clear set bssid flag */
clear_bssid_flag(wpa_s);
}
static void 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;
#ifdef CONFIG_IEEE80211KV
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
#endif /* CONFIG_IEEE80211KV */
if (wpa_s->current_bss) {
wpa_s->current_bss = NULL;
}
}
#ifdef CONFIG_IEEE80211R
static int handle_auth_frame(u8 *frame, size_t len,
u8 *sender, u32 rssi, u8 channel)
@ -393,12 +352,6 @@ int esp_supplicant_common_init(struct wpa_funcs *wpa_cb)
#endif /* CONFIG_IEEE80211KV */
esp_scan_init(wpa_s);
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED,
&supplicant_sta_conn_handler, NULL);
esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED,
&supplicant_sta_disconn_handler, NULL);
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) || defined(CONFIG_SAE_PK)*/
wpa_s->type = 0;
wpa_s->subtype = 0;
@ -430,12 +383,6 @@ void esp_supplicant_common_deinit(void)
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
#endif /* CONFIG_IEEE80211KV */
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_CONNECTED,
&supplicant_sta_conn_handler);
esp_event_handler_unregister(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED,
&supplicant_sta_disconn_handler);
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) || defined(CONFIG_SAE_PK)*/
if (wpa_s->type) {
wpa_s->type = 0;
@ -457,6 +404,43 @@ void esp_supplicant_common_deinit(void)
#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(wpa_s);
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
}
void supplicant_sta_disconn_handler(void)
{
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
struct wpa_supplicant *wpa_s = &g_wpa_supp;
#ifdef CONFIG_IEEE80211KV
wpas_rrm_reset(wpa_s);
wpas_clear_beacon_rep_data(wpa_s);
#endif /* CONFIG_IEEE80211KV */
if (wpa_s->current_bss) {
wpa_s->current_bss = NULL;
}
#endif /* defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R) */
}
#if defined(CONFIG_IEEE80211KV) || defined(CONFIG_IEEE80211R)
#ifdef CONFIG_IEEE80211KV
bool esp_rrm_is_rrm_supported_connection(void)

2
components/wpa_supplicant/esp_supplicant/src/esp_common_i.h
View File

@ -44,4 +44,6 @@ int esp_supplicant_common_init(struct wpa_funcs *wpa_cb);
void esp_supplicant_common_deinit(void);
void esp_set_scan_ie(void);
void esp_set_assoc_ie(uint8_t *bssid, const u8 *ies, size_t ies_len, bool add_mdie);
void supplicant_sta_conn_handler(uint8_t* bssid);
void supplicant_sta_disconn_handler(void);
#endif

1
components/wpa_supplicant/esp_supplicant/src/esp_wifi_driver.h
View File

@ -118,6 +118,7 @@ struct wpa_funcs {
bool (*wpa_sta_init)(void);
bool (*wpa_sta_deinit)(void);
int (*wpa_sta_connect)(uint8_t *bssid);
void (*wpa_sta_connected_cb)(uint8_t *bssid);
void (*wpa_sta_disconnected_cb)(uint8_t reason_code);
int (*wpa_sta_rx_eapol)(u8 *src_addr, u8 *buf, u32 len);
bool (*wpa_sta_in_4way_handshake)(void);

8
components/wpa_supplicant/esp_supplicant/src/esp_wpa_main.c
View File

@ -228,6 +228,11 @@ int wpa_parse_wpa_ie_wrapper(const u8 *wpa_ie, size_t wpa_ie_len, wifi_wpa_ie_t
return ret;
}
static void wpa_sta_connected_cb(uint8_t *bssid)
{
supplicant_sta_conn_handler(bssid);
}
static void wpa_sta_disconnected_cb(uint8_t reason_code)
{
switch (reason_code) {
@ -250,6 +255,8 @@ static void wpa_sta_disconnected_cb(uint8_t reason_code)
#ifdef CONFIG_OWE_STA
owe_deinit();
#endif /* CONFIG_OWE_STA */
supplicant_sta_disconn_handler();
}
#ifdef CONFIG_ESP_WIFI_SOFTAP_SUPPORT
@ -326,6 +333,7 @@ int esp_supplicant_init(void)
wpa_cb->wpa_sta_deinit = wpa_deattach;
wpa_cb->wpa_sta_rx_eapol = wpa_sm_rx_eapol;
wpa_cb->wpa_sta_connect = wpa_sta_connect;
wpa_cb->wpa_sta_connected_cb = wpa_sta_connected_cb;
wpa_cb->wpa_sta_disconnected_cb = wpa_sta_disconnected_cb;
wpa_cb->wpa_sta_in_4way_handshake = wpa_sta_in_4way_handshake;