diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2017-09-29 14:47:54 -0500 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2017-10-13 12:43:39 +0300 |
| commit | cdc9c7a032aae4dcdac47cf47d095207ce27bb87 (patch) | |
| tree | e9ab399fcafffa8fd5589e91d0df44604df94979 /drivers/net/wireless/realtek/rtlwifi/base.c | |
| parent | 0c07bd7457607b2bf846824424e78703c27ffd92 (diff) | |
rtlwifi: Implement rtl_get_tx_hw_rate to yield correct hw_rate
Originally, we get legacy rate only, so we extend to get HT and VHT rate.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/base.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/base.c | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index fcf6e31d0fb9..e37d4c765f87 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -1099,6 +1099,42 @@ int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, bool isvht, } EXPORT_SYMBOL(rtlwifi_rate_mapping); +static u8 _rtl_get_tx_hw_rate(struct ieee80211_hw *hw, + struct ieee80211_tx_info *info) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct ieee80211_tx_rate *r = &info->status.rates[0]; + struct ieee80211_rate *txrate; + u8 hw_value = 0x0; + + if (r->flags & IEEE80211_TX_RC_MCS) { + /* HT MCS0-15 */ + hw_value = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15] - 15 + + r->idx; + } else if (r->flags & IEEE80211_TX_RC_VHT_MCS) { + /* VHT MCS0-9, NSS */ + if (ieee80211_rate_get_vht_nss(r) == 2) + hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; + else + hw_value = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; + + hw_value = hw_value - 9 + ieee80211_rate_get_vht_mcs(r); + } else { + /* legacy */ + txrate = ieee80211_get_tx_rate(hw, info); + + if (txrate) + hw_value = txrate->hw_value; + } + + /* check 5G band */ + if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G && + hw_value < rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]) + hw_value = rtlpriv->cfg->maps[RTL_RC_OFDM_RATE6M]; + + return hw_value; +} + void rtl_get_tcb_desc(struct ieee80211_hw *hw, struct ieee80211_tx_info *info, struct ieee80211_sta *sta, @@ -1107,12 +1143,10 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw)); struct ieee80211_hdr *hdr = rtl_get_hdr(skb); - struct ieee80211_rate *txrate; + __le16 fc = rtl_get_fc(skb); - txrate = ieee80211_get_tx_rate(hw, info); - if (txrate) - tcb_desc->hw_rate = txrate->hw_value; + tcb_desc->hw_rate = _rtl_get_tx_hw_rate(hw, info); if (rtl_is_tx_report_skb(hw, skb)) tcb_desc->use_spe_rpt = 1; |