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HS 2.0R2: Try to scan multiple times for OSU providers

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Scan operation is not that reliable, so try couple of times if no
OSU provider matches are found during fetch_osu command.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-12-12 18:39:00 -08:00 committed by Jouni Malinen
parent cf6d08a63f
commit a6739e191e
4 changed files with 21 additions and 2 deletions
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14
wpa_supplicant/hs20_supplicant.c
View File

@ -385,6 +385,7 @@ void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s,
case HS20_STYPE_OSU_PROVIDERS_LIST: case HS20_STYPE_OSU_PROVIDERS_LIST:
wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
" OSU Providers list", MAC2STR(sa)); " OSU Providers list", MAC2STR(sa));
wpa_s->num_prov_found++;
if (anqp) { if (anqp) {
wpabuf_free(anqp->hs20_osu_providers_list); wpabuf_free(anqp->hs20_osu_providers_list);
anqp->hs20_osu_providers_list = anqp->hs20_osu_providers_list =
@ -821,11 +822,20 @@ int hs20_fetch_osu(struct wpa_supplicant *wpa_s)
} }
wpa_msg(wpa_s, MSG_INFO, "Starting OSU provisioning information fetch"); wpa_msg(wpa_s, MSG_INFO, "Starting OSU provisioning information fetch");
wpa_s->num_osu_scans = 0;
wpa_s->num_prov_found = 0;
hs20_start_osu_scan(wpa_s);
return 0;
}
void hs20_start_osu_scan(struct wpa_supplicant *wpa_s)
{
wpa_s->num_osu_scans++;
wpa_s->scan_req = MANUAL_SCAN_REQ; wpa_s->scan_req = MANUAL_SCAN_REQ;
wpa_s->scan_res_handler = hs20_osu_scan_res_handler; wpa_s->scan_res_handler = hs20_osu_scan_res_handler;
wpa_supplicant_req_scan(wpa_s, 0, 0); wpa_supplicant_req_scan(wpa_s, 0, 0);
return 0;
} }

1
wpa_supplicant/hs20_supplicant.h
View File

@ -32,5 +32,6 @@ void hs20_osu_icon_fetch(struct wpa_supplicant *wpa_s);
int hs20_fetch_osu(struct wpa_supplicant *wpa_s); int hs20_fetch_osu(struct wpa_supplicant *wpa_s);
void hs20_cancel_fetch_osu(struct wpa_supplicant *wpa_s); void hs20_cancel_fetch_osu(struct wpa_supplicant *wpa_s);
void hs20_icon_fetch_failed(struct wpa_supplicant *wpa_s); void hs20_icon_fetch_failed(struct wpa_supplicant *wpa_s);
void hs20_start_osu_scan(struct wpa_supplicant *wpa_s);
#endif /* HS20_SUPPLICANT_H */ #endif /* HS20_SUPPLICANT_H */

6
wpa_supplicant/interworking.c
View File

@ -2474,6 +2474,12 @@ static void interworking_next_anqp_fetch(struct wpa_supplicant *wpa_s)
if (found == 0) { if (found == 0) {
if (wpa_s->fetch_osu_info) { if (wpa_s->fetch_osu_info) {
if (wpa_s->num_prov_found == 0 &&
wpa_s->num_osu_scans < 3) {
wpa_printf(MSG_DEBUG, "HS 2.0: No OSU providers seen - try to scan again");
hs20_start_osu_scan(wpa_s);
return;
}
wpa_printf(MSG_DEBUG, "Interworking: Next icon"); wpa_printf(MSG_DEBUG, "Interworking: Next icon");
hs20_osu_icon_fetch(wpa_s); hs20_osu_icon_fetch(wpa_s);
return; return;

2
wpa_supplicant/wpa_supplicant_i.h
View File

@ -778,6 +778,8 @@ struct wpa_supplicant {
struct osu_provider *osu_prov; struct osu_provider *osu_prov;
size_t osu_prov_count; size_t osu_prov_count;
struct os_reltime osu_icon_fetch_start; struct os_reltime osu_icon_fetch_start;
unsigned int num_osu_scans;
unsigned int num_prov_found;
#endif /* CONFIG_INTERWORKING */ #endif /* CONFIG_INTERWORKING */
unsigned int drv_capa_known; unsigned int drv_capa_known;