nl80211: Determine secondary channel offset for CS to 80+80 MHz

Signed-off-by: Jouni Malinen <j@w1.fi>

src/drivers/driver_nl80211_event.c

@@ -664,8 +664,10 @@ static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
 	case CHAN_WIDTH_160:
 		freq1 = cf1 - 70;
 		break;
-	case CHAN_WIDTH_UNKNOWN:
 	case CHAN_WIDTH_80P80:
+		freq1 = cf1 - 30;
+		break;
+	case CHAN_WIDTH_UNKNOWN:
 	case CHAN_WIDTH_2160:
 	case CHAN_WIDTH_4320:
 	case CHAN_WIDTH_6480:
@@ -727,6 +729,8 @@ static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
 						    nla_get_u32(freq),
 						    nla_get_u32(cf1),
 						    cf2 ? nla_get_u32(cf2) : 0);
+		wpa_printf(MSG_DEBUG, "nl80211: Calculated channel offset: %d",
+			   chan_offset);
 	} else {
 		wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
 	}