FT: Add preliminary processing of FT Action Response from EVENT_RX_ACTION
Previously, this was only done with userspace MLME (i.e., driver_test.c); now, driver_nl80211.c can deliver the FT Action Response (FT-over-DS) for processing. The reassociation after successful FT Action frame exchange is not yet implemented.
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@ -1506,6 +1506,50 @@ static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
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#endif /* CONFIG_IBSS_RSN */
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#ifdef CONFIG_IEEE80211R
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static void ft_rx_action(struct wpa_supplicant *wpa_s, const u8 *data,
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size_t len)
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{
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const u8 *sta_addr, *target_ap_addr;
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u16 status;
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wpa_hexdump(MSG_MSGDUMP, "FT: RX Action", data, len);
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if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
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return; /* only SME case supported for now */
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if (len < 1 + 2 * ETH_ALEN + 2)
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return;
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if (data[0] != 2)
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return; /* Only FT Action Response is supported for now */
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sta_addr = data + 1;
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target_ap_addr = data + 1 + ETH_ALEN;
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status = WPA_GET_LE16(data + 1 + 2 * ETH_ALEN);
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wpa_printf(MSG_DEBUG, "FT: Received FT Action Response: STA " MACSTR
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" TargetAP " MACSTR " status %u",
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MAC2STR(sta_addr), MAC2STR(target_ap_addr), status);
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if (os_memcmp(sta_addr, wpa_s->own_addr, ETH_ALEN) != 0) {
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wpa_printf(MSG_DEBUG, "FT: Foreign STA Address " MACSTR
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" in FT Action Response", MAC2STR(sta_addr));
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return;
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}
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if (status) {
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wpa_printf(MSG_DEBUG, "FT: FT Action Response indicates "
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"failure (status code %d)", status);
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/* TODO: report error to FT code(?) */
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return;
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}
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if (wpa_ft_process_response(wpa_s->wpa, data + 1 + 2 * ETH_ALEN + 2,
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len - (1 + 2 * ETH_ALEN + 2), 1,
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target_ap_addr, NULL, 0) < 0)
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return;
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/* TODO: trigger re-association with the target AP */
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}
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#endif /* CONFIG_IEEE80211R */
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void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
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union wpa_event_data *data)
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{
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@ -1614,6 +1658,20 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
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ap_mgmt_rx(wpa_s, &data->rx_mgmt);
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break;
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#endif /* CONFIG_AP */
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case EVENT_RX_ACTION:
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wpa_printf(MSG_DEBUG, "Received Action frame: SA=" MACSTR
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" Category=%u DataLen=%d freq=%d MHz",
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MAC2STR(data->rx_action.sa),
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data->rx_action.category, (int) data->rx_action.len,
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data->rx_action.freq);
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#ifdef CONFIG_IEEE80211R
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if (data->rx_action.category == WLAN_ACTION_FT) {
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ft_rx_action(wpa_s, data->rx_action.data,
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data->rx_action.len);
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break;
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}
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#endif /* CONFIG_IEEE80211R */
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break;
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#ifdef CONFIG_CLIENT_MLME
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case EVENT_MLME_RX: {
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struct ieee80211_rx_status rx_status;
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