diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/base.c | 161 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/base.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/wifi.h | 35 |
3 files changed, 198 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 0b598db38da..098fc557a88 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -664,6 +664,167 @@ static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw) return hw_rate; } +/* mac80211's rate_idx is like this: + * + * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ + * + * B/G rate: + * (rx_status->flag & RX_FLAG_HT) = 0, + * DESC92_RATE1M-->DESC92_RATE54M ==> idx is 0-->11, + * + * N rate: + * (rx_status->flag & RX_FLAG_HT) = 1, + * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 + * + * 5G band:rx_status->band == IEEE80211_BAND_5GHZ + * A rate: + * (rx_status->flag & RX_FLAG_HT) = 0, + * DESC92_RATE6M-->DESC92_RATE54M ==> idx is 0-->7, + * + * N rate: + * (rx_status->flag & RX_FLAG_HT) = 1, + * DESC92_RATEMCS0-->DESC92_RATEMCS15 ==> idx is 0-->15 + */ +int rtlwifi_rate_mapping(struct ieee80211_hw *hw, + bool isht, u8 desc_rate, bool first_ampdu) +{ + int rate_idx; + + if (false == isht) { + if (IEEE80211_BAND_2GHZ == hw->conf.channel->band) { + switch (desc_rate) { + case DESC92_RATE1M: + rate_idx = 0; + break; + case DESC92_RATE2M: + rate_idx = 1; + break; + case DESC92_RATE5_5M: + rate_idx = 2; + break; + case DESC92_RATE11M: + rate_idx = 3; + break; + case DESC92_RATE6M: + rate_idx = 4; + break; + case DESC92_RATE9M: + rate_idx = 5; + break; + case DESC92_RATE12M: + rate_idx = 6; + break; + case DESC92_RATE18M: + rate_idx = 7; + break; + case DESC92_RATE24M: + rate_idx = 8; + break; + case DESC92_RATE36M: + rate_idx = 9; + break; + case DESC92_RATE48M: + rate_idx = 10; + break; + case DESC92_RATE54M: + rate_idx = 11; + break; + default: + rate_idx = 0; + break; + } + } else { + switch (desc_rate) { + case DESC92_RATE6M: + rate_idx = 0; + break; + case DESC92_RATE9M: + rate_idx = 1; + break; + case DESC92_RATE12M: + rate_idx = 2; + break; + case DESC92_RATE18M: + rate_idx = 3; + break; + case DESC92_RATE24M: + rate_idx = 4; + break; + case DESC92_RATE36M: + rate_idx = 5; + break; + case DESC92_RATE48M: + rate_idx = 6; + break; + case DESC92_RATE54M: + rate_idx = 7; + break; + default: + rate_idx = 0; + break; + } + } + + } else { + + switch (desc_rate) { + case DESC92_RATEMCS0: + rate_idx = 0; + break; + case DESC92_RATEMCS1: + rate_idx = 1; + break; + case DESC92_RATEMCS2: + rate_idx = 2; + break; + case DESC92_RATEMCS3: + rate_idx = 3; + break; + case DESC92_RATEMCS4: + rate_idx = 4; + break; + case DESC92_RATEMCS5: + rate_idx = 5; + break; + case DESC92_RATEMCS6: + rate_idx = 6; + break; + case DESC92_RATEMCS7: + rate_idx = 7; + break; + case DESC92_RATEMCS8: + rate_idx = 8; + break; + case DESC92_RATEMCS9: + rate_idx = 9; + break; + case DESC92_RATEMCS10: + rate_idx = 10; + break; + case DESC92_RATEMCS11: + rate_idx = 11; + break; + case DESC92_RATEMCS12: + rate_idx = 12; + break; + case DESC92_RATEMCS13: + rate_idx = 13; + break; + case DESC92_RATEMCS14: + rate_idx = 14; + break; + case DESC92_RATEMCS15: + rate_idx = 15; + break; + default: + rate_idx = 0; + break; + } + } + return rate_idx; +} +EXPORT_SYMBOL(rtlwifi_rate_mapping); + void rtl_get_tcb_desc(struct ieee80211_hw *hw, struct ieee80211_tx_info *info, struct ieee80211_sta *sta, diff --git a/drivers/net/wireless/rtlwifi/base.h b/drivers/net/wireless/rtlwifi/base.h index a91f3eee59c..4ae905983d0 100644 --- a/drivers/net/wireless/rtlwifi/base.h +++ b/drivers/net/wireless/rtlwifi/base.h @@ -140,4 +140,6 @@ u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie); void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len); u8 rtl_tid_to_ac(struct ieee80211_hw *hw, u8 tid); extern struct attribute_group rtl_attribute_group; +int rtlwifi_rate_mapping(struct ieee80211_hw *hw, + bool isht, u8 desc_rate, bool first_ampdu); #endif diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index d3c3ffd3898..8a9091968f3 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -386,6 +386,41 @@ enum rtl_hal_state { _HAL_STATE_START = 1, }; +enum rtl_desc92_rate { + DESC92_RATE1M = 0x00, + DESC92_RATE2M = 0x01, + DESC92_RATE5_5M = 0x02, + DESC92_RATE11M = 0x03, + + DESC92_RATE6M = 0x04, + DESC92_RATE9M = 0x05, + DESC92_RATE12M = 0x06, + DESC92_RATE18M = 0x07, + DESC92_RATE24M = 0x08, + DESC92_RATE36M = 0x09, + DESC92_RATE48M = 0x0a, + DESC92_RATE54M = 0x0b, + + DESC92_RATEMCS0 = 0x0c, + DESC92_RATEMCS1 = 0x0d, + DESC92_RATEMCS2 = 0x0e, + DESC92_RATEMCS3 = 0x0f, + DESC92_RATEMCS4 = 0x10, + DESC92_RATEMCS5 = 0x11, + DESC92_RATEMCS6 = 0x12, + DESC92_RATEMCS7 = 0x13, + DESC92_RATEMCS8 = 0x14, + DESC92_RATEMCS9 = 0x15, + DESC92_RATEMCS10 = 0x16, + DESC92_RATEMCS11 = 0x17, + DESC92_RATEMCS12 = 0x18, + DESC92_RATEMCS13 = 0x19, + DESC92_RATEMCS14 = 0x1a, + DESC92_RATEMCS15 = 0x1b, + DESC92_RATEMCS15_SG = 0x1c, + DESC92_RATEMCS32 = 0x20, +}; + enum rtl_var_map { /*reg map */ SYS_ISO_CTRL = 0, |