wl1271: Clean up RX rate reporting
Clean up the code to convert a firmware rate class index into an index
for the rate configuration table.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 3daba6c..49779e5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1816,6 +1816,36 @@
{ .hw_value = 13, .center_freq = 2472, .max_power = 25 },
};
+/* mapping to indexes for wl1271_rates */
+const static u8 wl1271_rate_to_idx_2ghz[] = {
+ /* MCS rates are used only with 11n */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+
+ 11, /* CONF_HW_RXTX_RATE_54 */
+ 10, /* CONF_HW_RXTX_RATE_48 */
+ 9, /* CONF_HW_RXTX_RATE_36 */
+ 8, /* CONF_HW_RXTX_RATE_24 */
+
+ /* TI-specific rate */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
+
+ 7, /* CONF_HW_RXTX_RATE_18 */
+ 6, /* CONF_HW_RXTX_RATE_12 */
+ 3, /* CONF_HW_RXTX_RATE_11 */
+ 5, /* CONF_HW_RXTX_RATE_9 */
+ 4, /* CONF_HW_RXTX_RATE_6 */
+ 2, /* CONF_HW_RXTX_RATE_5_5 */
+ 1, /* CONF_HW_RXTX_RATE_2 */
+ 0 /* CONF_HW_RXTX_RATE_1 */
+};
+
/* can't be const, mac80211 writes to this */
static struct ieee80211_supported_band wl1271_band_2ghz = {
.channels = wl1271_channels,
@@ -1898,6 +1928,35 @@
{ .hw_value = 165, .center_freq = 5825},
};
+/* mapping to indexes for wl1271_rates_5ghz */
+const static u8 wl1271_rate_to_idx_5ghz[] = {
+ /* MCS rates are used only with 11n */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+
+ 7, /* CONF_HW_RXTX_RATE_54 */
+ 6, /* CONF_HW_RXTX_RATE_48 */
+ 5, /* CONF_HW_RXTX_RATE_36 */
+ 4, /* CONF_HW_RXTX_RATE_24 */
+
+ /* TI-specific rate */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */
+
+ 3, /* CONF_HW_RXTX_RATE_18 */
+ 2, /* CONF_HW_RXTX_RATE_12 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */
+ 1, /* CONF_HW_RXTX_RATE_9 */
+ 0, /* CONF_HW_RXTX_RATE_6 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */
+ CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */
+};
static struct ieee80211_supported_band wl1271_band_5ghz = {
.channels = wl1271_channels_5ghz,
@@ -1906,6 +1965,11 @@
.n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
};
+const static u8 *wl1271_band_rate_to_idx[] = {
+ [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz,
+ [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz
+};
+
static const struct ieee80211_ops wl1271_ops = {
.start = wl1271_op_start,
.stop = wl1271_op_stop,
@@ -1923,6 +1987,27 @@
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
+
+u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate)
+{
+ u8 idx;
+
+ BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *));
+
+ if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) {
+ wl1271_error("Illegal RX rate from HW: %d", rate);
+ return 0;
+ }
+
+ idx = wl1271_band_rate_to_idx[wl->band][rate];
+ if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) {
+ wl1271_error("Unsupported RX rate from HW: %d", rate);
+ return 0;
+ }
+
+ return idx;
+}
+
static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
struct device_attribute *attr,
char *buf)