diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfp.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/cfp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c index b8242eb2be6f..f494fc7eeb62 100644 --- a/drivers/net/wireless/mwifiex/cfp.c +++ b/drivers/net/wireless/mwifiex/cfp.c @@ -509,3 +509,21 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates) return k; } + +u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv, + u8 rx_rate, u8 rate_info) +{ + u8 rate_index = 0; + + /* HT40 */ + if ((rate_info & BIT(0)) && (rate_info & BIT(1))) + rate_index = MWIFIEX_RATE_INDEX_MCS0 + + MWIFIEX_BW20_MCS_NUM + rx_rate; + else if (rate_info & BIT(0)) /* HT20 */ + rate_index = MWIFIEX_RATE_INDEX_MCS0 + rx_rate; + else + rate_index = (rx_rate > MWIFIEX_RATE_INDEX_OFDM0) ? + rx_rate - 1 : rx_rate; + + return rate_index; +} |