From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-oi0-f65.google.com ([209.85.218.65]:36212 "EHLO mail-oi0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751286AbdGQPKI (ORCPT ); Mon, 17 Jul 2017 11:10:08 -0400 Received: by mail-oi0-f65.google.com with SMTP id n2so18150635oig.3 for ; Mon, 17 Jul 2017 08:10:07 -0700 (PDT) From: Larry Finger To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Ping-Ke Shih , Larry Finger , Yan-Hsuan Chuang , Birming Chiu , Shaofu , Steven Ting Subject: [PATCH v2 05/11] rtlwifi: Implement rtl_get_tx_hw_rate to yield correct hw_rate Date: Mon, 17 Jul 2017 10:09:48 -0500 Message-Id: <20170717150954.1441-6-Larry.Finger@lwfinger.net> (sfid-20170717_171013_069349_D4ECCE87) In-Reply-To: <20170717150954.1441-1-Larry.Finger@lwfinger.net> References: <20170717150954.1441-1-Larry.Finger@lwfinger.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Ping-Ke Shih Originally, we get legacy rate only, so we extend to get HT and VHT rate. Signed-off-by: Ping-Ke Shih Signed-off-by: Larry Finger Cc: Yan-Hsuan Chuang Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting --- v2 - no changes --- drivers/net/wireless/realtek/rtlwifi/base.c | 42 ++++++++++++++++++++++++++--- 1 file changed, 38 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index 0f36594da76c..f71b44c48ec0 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -1100,6 +1100,42 @@ 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, @@ -1108,12 +1144,10 @@ 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; -- 2.12.3