Remove unused rate flags from driver use

These are not really used and can be removed to clean up the driver
interface definition. The only remaining flag (HOSTAPD_RATE_BASIC) can
be removed once the basic rate set indication can be handled
differently.

src/drivers/driver.h

@@ -31,17 +31,11 @@ struct hostapd_channel_data {
 	u8 max_tx_power; /* maximum transmit power in dBm */
 };
 
-#define HOSTAPD_RATE_ERP 0x00000001
 #define HOSTAPD_RATE_BASIC 0x00000002
-#define HOSTAPD_RATE_PREAMBLE2 0x00000004
-#define HOSTAPD_RATE_SUPPORTED 0x00000010
-#define HOSTAPD_RATE_OFDM 0x00000020
-#define HOSTAPD_RATE_CCK 0x00000040
-#define HOSTAPD_RATE_MANDATORY 0x00000100
 
 struct hostapd_rate_data {
 	int rate; /* rate in 100 kbps */
-	int flags; /* HOSTAPD_RATE_ flags */
+	int flags; /* HOSTAPD_RATE_ flags for internal use */
 };
 
 struct hostapd_hw_modes {

src/drivers/driver_hostap.c

@@ -1213,13 +1213,9 @@ static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
 	}
 
 	mode->rates[0].rate = 10;
-	mode->rates[0].flags = HOSTAPD_RATE_CCK;
 	mode->rates[1].rate = 20;
-	mode->rates[1].flags = HOSTAPD_RATE_CCK;
 	mode->rates[2].rate = 55;
-	mode->rates[2].flags = HOSTAPD_RATE_CCK;
 	mode->rates[3].rate = 110;
-	mode->rates[3].flags = HOSTAPD_RATE_CCK;
 
 	return mode;
 }

src/drivers/driver_nl80211.c

@@ -2394,9 +2394,6 @@ static int phy_info_handler(struct nl_msg *msg, void *arg)
 			    mode->rates[idx].rate > 200)
 				mode->mode = HOSTAPD_MODE_IEEE80211G;
 
-			if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
-				mode->rates[idx].flags |= HOSTAPD_RATE_PREAMBLE2;
-
 			idx++;
 		}
 	}
@@ -2455,9 +2452,10 @@ wpa_driver_nl80211_add_11b(struct hostapd_hw_modes *modes, u16 *num_modes)
 	}
 
 	for (i = 0; i < mode11g->num_rates; i++) {
-		if (mode11g->rates[i].rate > 110 ||
-		    mode11g->rates[i].flags &
-		    (HOSTAPD_RATE_ERP | HOSTAPD_RATE_OFDM))
+		if (mode11g->rates[i].rate != 10 &&
+		    mode11g->rates[i].rate != 20 &&
+		    mode11g->rates[i].rate != 55 &&
+		    mode11g->rates[i].rate != 110)
 			continue;
 		mode->rates[mode->num_rates] = mode11g->rates[i];
 		mode->num_rates++;

src/drivers/driver_test.c

@@ -2420,8 +2420,6 @@ wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
 	modes[0].channels[0].freq = 2412;
 	modes[0].channels[0].flag = 0;
 	modes[0].rates[0].rate = 10;
-	modes[0].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
-		HOSTAPD_RATE_CCK | HOSTAPD_RATE_MANDATORY;
 
 	modes[1].mode = HOSTAPD_MODE_IEEE80211B;
 	modes[1].num_channels = 1;
@@ -2434,8 +2432,6 @@ wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
 	modes[1].channels[0].freq = 2412;
 	modes[1].channels[0].flag = 0;
 	modes[1].rates[0].rate = 10;
-	modes[1].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
-		HOSTAPD_RATE_CCK | HOSTAPD_RATE_MANDATORY;
 
 	modes[2].mode = HOSTAPD_MODE_IEEE80211A;
 	modes[2].num_channels = 1;
@@ -2448,8 +2444,6 @@ wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
 	modes[2].channels[0].freq = 5300;
 	modes[2].channels[0].flag = 0;
 	modes[2].rates[0].rate = 60;
-	modes[2].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
-		HOSTAPD_RATE_MANDATORY;
 
 	return modes;