diff options
| author | David Gnedt <david.gnedt@davizone.at> | 2011-01-30 22:11:10 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-02-04 00:44:42 +0300 |
| commit | 73b30dfe4f756315b8cc431fca3ff340090c0ae4 (patch) | |
| tree | 03775a1d7be1facf103d67e769f06c5ff6e23288 /drivers/net/wireless/wl1251 | |
| parent | 43d136442a0af3b26df3f16c7b935b5ea12e493f (diff) | |
| download | linux-73b30dfe4f756315b8cc431fca3ff340090c0ae4.tar.xz | |
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/wl1251')
| -rw-r--r-- | drivers/net/wireless/wl1251/rx.c | 46 |
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, |