OWE: Try another group only on association rejection with status 77

Do not change the OWE group if association is rejected for any other
reason than WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED to avoid
unnecessary latency in cases where the APs reject association, e.g., for
load balancing reasons.

Signed-off-by: Ashok Kumar <aponnaia@codeaurora.org>
This commit is contained in:
Ashok Kumar 2018-11-01 16:33:21 +05:30 committed by Jouni Malinen
parent 8fc6d88465
commit 698c9e2021
3 changed files with 11 additions and 2 deletions

View file

@ -4085,6 +4085,7 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
} }
#endif /* CONFIG_TESTING_OPTIONS */ #endif /* CONFIG_TESTING_OPTIONS */
wpa_supplicant_event_assoc(wpa_s, data); wpa_supplicant_event_assoc(wpa_s, data);
wpa_s->assoc_status_code = WLAN_STATUS_SUCCESS;
if (data && if (data &&
(data->assoc_info.authorized || (data->assoc_info.authorized ||
(!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) && (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) &&

View file

@ -1520,14 +1520,18 @@ void sme_associate(struct wpa_supplicant *wpa_s, enum wpas_mode mode,
if (wpa_s->current_ssid && wpa_s->current_ssid->owe_group) { if (wpa_s->current_ssid && wpa_s->current_ssid->owe_group) {
group = wpa_s->current_ssid->owe_group; group = wpa_s->current_ssid->owe_group;
} else { } else if (wpa_s->assoc_status_code ==
WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
if (wpa_s->last_owe_group == 19) if (wpa_s->last_owe_group == 19)
group = 20; group = 20;
else if (wpa_s->last_owe_group == 20) else if (wpa_s->last_owe_group == 20)
group = 21; group = 21;
else else
group = OWE_DH_GROUP; group = OWE_DH_GROUP;
} else {
group = OWE_DH_GROUP;
} }
wpa_s->last_owe_group = group; wpa_s->last_owe_group = group;
wpa_printf(MSG_DEBUG, "OWE: Try to use group %u", group); wpa_printf(MSG_DEBUG, "OWE: Try to use group %u", group);
owe_ie = owe_build_assoc_req(wpa_s->wpa, group); owe_ie = owe_build_assoc_req(wpa_s->wpa, group);

View file

@ -2754,14 +2754,18 @@ static u8 * wpas_populate_assoc_ies(
if (ssid->owe_group) { if (ssid->owe_group) {
group = ssid->owe_group; group = ssid->owe_group;
} else { } else if (wpa_s->assoc_status_code ==
WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
if (wpa_s->last_owe_group == 19) if (wpa_s->last_owe_group == 19)
group = 20; group = 20;
else if (wpa_s->last_owe_group == 20) else if (wpa_s->last_owe_group == 20)
group = 21; group = 21;
else else
group = OWE_DH_GROUP; group = OWE_DH_GROUP;
} else {
group = OWE_DH_GROUP;
} }
wpa_s->last_owe_group = group; wpa_s->last_owe_group = group;
wpa_printf(MSG_DEBUG, "OWE: Try to use group %u", group); wpa_printf(MSG_DEBUG, "OWE: Try to use group %u", group);
owe_ie = owe_build_assoc_req(wpa_s->wpa, group); owe_ie = owe_build_assoc_req(wpa_s->wpa, group);