diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2009-11-30 20:12:35 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-12-08 00:51:20 +0300 |
| commit | 8e9f33f0ced82a797d285b233e1c956cbd5c7de3 (patch) | |
| tree | a982b2e0e3da7336f7476de918cccdb9be7ab8dc /drivers/net/wireless/mwl8k.c | |
| parent | ca00930153c14b323c31b97623ac5c4f7855ed6a (diff) | |
| download | linux-8e9f33f0ced82a797d285b233e1c956cbd5c7de3.tar.xz | |
mwl8k: properly report rate on received 40MHz packets
On 8366, bit 6 in the rx descriptor rate field indicates whether the
packet was received on a 20MHz or 40MHz channel, and is not part of
the MCS index. Handle this properly, which then prevents hitting the
WARN_ON and being dropped in ieee80211_rx().
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
| -rw-r--r-- | drivers/net/wireless/mwl8k.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index c1cb20fceaff..f1566f93696e 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -782,6 +782,10 @@ struct mwl8k_rxd_8366 { __u8 rx_ctrl; } __attribute__((packed)); +#define MWL8K_8366_RATE_INFO_MCS_FORMAT 0x80 +#define MWL8K_8366_RATE_INFO_40MHZ 0x40 +#define MWL8K_8366_RATE_INFO_RATEID(x) ((x) & 0x3f) + #define MWL8K_8366_RX_CTRL_OWNED_BY_HOST 0x80 static void mwl8k_rxd_8366_init(void *_rxd, dma_addr_t next_dma_addr) @@ -817,9 +821,11 @@ mwl8k_rxd_8366_process(void *_rxd, struct ieee80211_rx_status *status, status->signal = -rxd->rssi; status->noise = -rxd->noise_floor; - if (rxd->rate & 0x80) { + if (rxd->rate & MWL8K_8366_RATE_INFO_MCS_FORMAT) { status->flag |= RX_FLAG_HT; - status->rate_idx = rxd->rate & 0x7f; + if (rxd->rate & MWL8K_8366_RATE_INFO_40MHZ) + status->flag |= RX_FLAG_40MHZ; + status->rate_idx = MWL8K_8366_RATE_INFO_RATEID(rxd->rate); } else { int i; |