wl1251: set rate index and preamble flag on received packets

Set the rate index rate_idx and preamble flag RX_FLAG_SHORTPRE on received
packets.

Signed-off-by: David Gnedt <david.gnedt@davizone.at>
Acked-by: Kalle Valo <kvalo@adurom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/wl1251/rx.c b/drivers/net/wireless/wl1251/rx.c
index efa5360..1b626b2 100644 (file)
--- a/drivers/net/wireless/wl1251/rx.c
+++ b/drivers/net/wireless/wl1251/rx.c
@@ -95,8 +95,52 @@ static void wl1251_rx_status(struct wl1251 *wl,
        if (unlikely(!(desc->flags & RX_DESC_VALID_FCS)))
                status->flag |= RX_FLAG_FAILED_FCS_CRC;
 
+       switch (desc->rate) {
+               /* skip 1 and 12 Mbps because they have same value 0x0a */
+       case RATE_2MBPS:
+               status->rate_idx = 1;
+               break;
+       case RATE_5_5MBPS:
+               status->rate_idx = 2;
+               break;
+       case RATE_11MBPS:
+               status->rate_idx = 3;
+               break;
+       case RATE_6MBPS:
+               status->rate_idx = 4;
+               break;
+       case RATE_9MBPS:
+               status->rate_idx = 5;
+               break;
+       case RATE_18MBPS:
+               status->rate_idx = 7;
+               break;
+       case RATE_24MBPS:
+               status->rate_idx = 8;
+               break;
+       case RATE_36MBPS:
+               status->rate_idx = 9;
+               break;
+       case RATE_48MBPS:
+               status->rate_idx = 10;
+               break;
+       case RATE_54MBPS:
+               status->rate_idx = 11;
+               break;
+       }
+
+       /* for 1 and 12 Mbps we have to check the modulation */
+       if (desc->rate == RATE_1MBPS) {
+               if (!(desc->mod_pre & OFDM_RATE_BIT))
+                       /* CCK -> RATE_1MBPS */
+                       status->rate_idx = 0;
+               else
+                       /* OFDM -> RATE_12MBPS */
+                       status->rate_idx = 6;
+       }
 
-       /* FIXME: set status->rate_idx */
+       if (desc->mod_pre & SHORT_PREAMBLE_BIT)
+               status->flag |= RX_FLAG_SHORTPRE;
 }
 
 static void wl1251_rx_body(struct wl1251 *wl,