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Set OCV capability based on Association Request frame RSNE

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Currently, OCV self-capability is being set into the RSN supplicant
state machine only during the initial connection and never getting
updated. But for the driver-SME cases the driver may enable/disable OCV
in (Re)Association Request frame RSNE based on the AP chosen to roam.
This will lead to missing synchronization between wpa_supplicant and the
driver. Thus, update OCV self-capability in the wpa_supplicant RSN state
machine based on the (Re)Association Request frame RSNE indicated in the
connect response.

Signed-off-by: Aleti Nageshwar Reddy <quic_anageshw@quicinc.com>
This commit is contained in:
Aleti Nageshwar Reddy 2023-01-23 15:23:31 +05:30 committed by Jouni Malinen
parent e8706c109e
commit dc7e330e0b
1 changed files with 8 additions and 1 deletions
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9
wpa_supplicant/events.c
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@ -2844,8 +2844,10 @@ static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s,
p += len;
}
if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0)
if (!found || wpa_parse_wpa_ie(p, len, &ie) < 0) {
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV, 0);
return 0;
}
wpa_hexdump(MSG_DEBUG,
"WPA: Update cipher suite selection based on IEs in driver-generated WPA/RSNE in AssocReq",
@ -2872,6 +2874,11 @@ static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s,
return -1;
}
if (((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) ||
(wpa_s->drv_flags2 & WPA_DRIVER_FLAGS2_OCV)) && ssid->ocv)
wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_OCV,
!!(ie.capabilities & WPA_CAPABILITY_OCVC));
/*
* Update PMK in wpa_sm and the driver if roamed to WPA/WPA2 PSK from a
* different AKM.