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MBO: Update connect params with new MBO attributes to driver

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MBO attributes Non-preferred channel list and Cellular capabilities are
updated using WNM-Notification Request frame to the current connected
BSS. These same attributes need to be added in the (Re)Association
Request frame sent by the station when roaming, including the case where
the driver/firmware takes care of SME/MLME operations during roaming, so
we need to update the MBO IE to the driver.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Ankita Bajaj 2019-04-02 14:32:50 +05:30 committed by Jouni Malinen
parent 74f8e768f2
commit 822c756e8c
3 changed files with 31 additions and 0 deletions
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2
wpa_supplicant/mbo.c
View file

@ -275,6 +275,7 @@ static void wpas_mbo_non_pref_chan_changed(struct wpa_supplicant *wpa_s)
wpas_mbo_non_pref_chan_attrs(wpa_s, buf, 1);
wpas_mbo_send_wnm_notification(wpa_s, wpabuf_head_u8(buf),
wpabuf_len(buf));
wpas_update_mbo_connect_params(wpa_s);
wpabuf_free(buf);
}
@ -565,6 +566,7 @@ void wpas_mbo_update_cell_capa(struct wpa_supplicant *wpa_s, u8 mbo_cell_capa)
wpas_mbo_send_wnm_notification(wpa_s, cell_capa, 7);
wpa_supplicant_set_default_scan_ies(wpa_s);
wpas_update_mbo_connect_params(wpa_s);
}

28
wpa_supplicant/wpa_supplicant.c
View file

@ -2959,6 +2959,34 @@ static void wpas_update_fils_connect_params(struct wpa_supplicant *wpa_s)
#endif /* CONFIG_FILS && IEEE8021X_EAPOL */
#ifdef CONFIG_MBO
void wpas_update_mbo_connect_params(struct wpa_supplicant *wpa_s)
{
struct wpa_driver_associate_params params;
u8 *wpa_ie;
/*
* Update MBO connect params only in case of change of MBO attributes
* when connected, if the AP support MBO.
*/
if (wpa_s->wpa_state != WPA_COMPLETED || !wpa_s->current_ssid ||
!wpa_s->current_bss ||
!wpa_bss_get_vendor_ie(wpa_s->current_bss, MBO_IE_VENDOR_TYPE))
return;
os_memset(&params, 0, sizeof(params));
wpa_ie = wpas_populate_assoc_ies(wpa_s, wpa_s->current_bss,
wpa_s->current_ssid, &params, NULL);
if (!wpa_ie)
return;
wpa_drv_update_connect_params(wpa_s, &params, WPA_DRV_UPDATE_ASSOC_IES);
os_free(wpa_ie);
}
#endif /* CONFIG_MBO */
static void wpas_start_assoc_cb(struct wpa_radio_work *work, int deinit)
{
struct wpa_connect_work *cwork = work->ctx;

1
wpa_supplicant/wpa_supplicant_i.h
View file

@ -1402,6 +1402,7 @@ struct wpabuf * mbo_build_anqp_buf(struct wpa_supplicant *wpa_s,
void mbo_parse_rx_anqp_resp(struct wpa_supplicant *wpa_s,
struct wpa_bss *bss, const u8 *sa,
const u8 *data, size_t slen);
void wpas_update_mbo_connect_params(struct wpa_supplicant *wpa_s);
/* op_classes.c */
enum chan_allowed {