diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2018-01-29 11:26:37 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-02-27 18:15:23 +0200 |
| commit | 50da5da1562b0bb54c537b0d218dcbbdd9843775 (patch) | |
| tree | 8027ac48081b996cde811642247fecfb46d1e0b8 | |
| parent | 81b813ed2fde96fd28cee477281b724ea4a28dcc (diff) | |
rtlwifi: Fix VHT NSS in RC
NSS is a argument of highest rate in RC, and it occupies bit 4-7 so use
ieee80211_rate_set_vht() to fill the values. Since it got correct rate
index, we don't need to check chips to assign NSS in set function anymore.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rc.c | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rc.c b/drivers/net/wireless/realtek/rtlwifi/rc.c index d1cb7d405618..6c78c6dabbdf 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rc.c +++ b/drivers/net/wireless/realtek/rtlwifi/rc.c @@ -42,6 +42,23 @@ static u8 _rtl_rc_get_highest_rix(struct rtl_priv *rtlpriv, struct rtl_phy *rtlphy = &(rtlpriv->phy); struct rtl_sta_info *sta_entry = NULL; u16 wireless_mode = 0; + u8 nss; + struct ieee80211_tx_rate rate; + + switch (get_rf_type(rtlphy)) { + case RF_4T4R: + nss = 4; + break; + case RF_3T3R: + nss = 3; + break; + case RF_2T2R: + nss = 2; + break; + default: + nss = 1; + break; + } /* *this rate is no use for true rate, firmware @@ -66,28 +83,51 @@ static u8 _rtl_rc_get_highest_rix(struct rtl_priv *rtlpriv, } else if (wireless_mode == WIRELESS_MODE_G) { return G_MODE_MAX_RIX; } else if (wireless_mode == WIRELESS_MODE_N_24G) { - if (get_rf_type(rtlphy) != RF_2T2R) + if (nss == 1) return N_MODE_MCS7_RIX; else return N_MODE_MCS15_RIX; } else if (wireless_mode == WIRELESS_MODE_AC_24G) { - return AC_MODE_MCS9_RIX; + if (sta->bandwidth == IEEE80211_STA_RX_BW_20) { + ieee80211_rate_set_vht(&rate, + AC_MODE_MCS8_RIX, + nss); + goto out; + } else { + ieee80211_rate_set_vht(&rate, + AC_MODE_MCS9_RIX, + nss); + goto out; + } } return 0; } else { if (wireless_mode == WIRELESS_MODE_A) { return A_MODE_MAX_RIX; } else if (wireless_mode == WIRELESS_MODE_N_5G) { - if (get_rf_type(rtlphy) != RF_2T2R) + if (nss == 1) return N_MODE_MCS7_RIX; else return N_MODE_MCS15_RIX; } else if (wireless_mode == WIRELESS_MODE_AC_5G) { - return AC_MODE_MCS9_RIX; + if (sta->bandwidth == IEEE80211_STA_RX_BW_20) { + ieee80211_rate_set_vht(&rate, + AC_MODE_MCS8_RIX, + nss); + goto out; + } else { + ieee80211_rate_set_vht(&rate, + AC_MODE_MCS9_RIX, + nss); + goto out; + } } return 0; } } + +out: + return rate.idx; } static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, @@ -111,9 +151,6 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, } rate->count = tries; rate->idx = rix >= 0x00 ? rix : 0x00; - if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE && - wireless_mode == WIRELESS_MODE_AC_5G) - rate->idx += 0x10;/*2NSS for 8812AE*/ if (!not_data) { if (txrc->short_preamble) @@ -126,10 +163,10 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, if (sta && sta->vht_cap.vht_supported) rate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; } else { - if (mac->bw_40) - rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; if (mac->bw_80) rate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; + else if (mac->bw_40) + rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; } if (sgi_20 || sgi_40 || sgi_80) |