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authorDavid Gnedt <david.gnedt@davizone.at>2011-01-30 20:11:10 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-02-03 16:44:42 -0500
commit73b30dfe4f756315b8cc431fca3ff340090c0ae4 (patch)
tree03775a1d7be1facf103d67e769f06c5ff6e23288 /drivers/net/wireless
parent43d136442a0af3b26df3f16c7b935b5ea12e493f (diff)
downloadlinux-stericsson-73b30dfe4f756315b8cc431fca3ff340090c0ae4.tar.gz
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>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/wl1251/rx.c46
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/net/wireless/wl1251/rx.c b/drivers/net/wireless/wl1251/rx.c
index 86eef456d7b2..b659e15c78df 100644
--- a/drivers/net/wireless/wl1251/rx.c
+++ b/drivers/net/wireless/wl1251/rx.c
@@ -96,8 +96,52 @@ 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,