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wifi: rtw89: support EHT GI/LTF setting

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Add support for fixed EHT GI/LTF via nl80211.

The command example:
  iw wlan0 set bitrates eht-gi-6 0.8 eht-ltf-6 2

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260110022019.2254969-4-pkshih@realtek.com
This commit is contained in:
Kuan-Chung Chen 2026-01-10 10:20:14 +08:00 committed by Ping-Ke Shih
parent 2fd8f953f2
commit 432b26382d
1 changed files with 23 additions and 15 deletions
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38
drivers/net/wireless/realtek/rtw89/phy.c
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@ -281,8 +281,7 @@ static void rtw89_phy_ra_gi_ltf(struct rtw89_dev *rtwdev,
struct cfg80211_bitrate_mask *mask = &rtwsta_link->mask;
u8 band = chan->band_type;
enum nl80211_band nl_band = rtw89_hw_to_nl80211_band(band);
u8 he_ltf = mask->control[nl_band].he_ltf;
u8 he_gi = mask->control[nl_band].he_gi;
u8 ltf, gi;
*fix_giltf_en = true;
@ -293,22 +292,31 @@ static void rtw89_phy_ra_gi_ltf(struct rtw89_dev *rtwdev,
else
*fix_giltf = RTW89_GILTF_2XHE08;
if (!(rtwsta_link->use_cfg_mask && link_sta->he_cap.has_he))
if (!rtwsta_link->use_cfg_mask)
return;
if (he_ltf == 2 && he_gi == 2) {
*fix_giltf = RTW89_GILTF_LGI_4XHE32;
} else if (he_ltf == 2 && he_gi == 0) {
*fix_giltf = RTW89_GILTF_SGI_4XHE08;
} else if (he_ltf == 1 && he_gi == 1) {
*fix_giltf = RTW89_GILTF_2XHE16;
} else if (he_ltf == 1 && he_gi == 0) {
*fix_giltf = RTW89_GILTF_2XHE08;
} else if (he_ltf == 0 && he_gi == 1) {
*fix_giltf = RTW89_GILTF_1XHE16;
} else if (he_ltf == 0 && he_gi == 0) {
*fix_giltf = RTW89_GILTF_1XHE08;
if (link_sta->eht_cap.has_eht) {
ltf = mask->control[nl_band].eht_ltf;
gi = mask->control[nl_band].eht_gi;
} else if (link_sta->he_cap.has_he) {
ltf = mask->control[nl_band].he_ltf;
gi = mask->control[nl_band].he_gi;
} else {
return;
}
if (ltf == 2 && gi == 2)
*fix_giltf = RTW89_GILTF_LGI_4XHE32;
else if (ltf == 2 && gi == 0)
*fix_giltf = RTW89_GILTF_SGI_4XHE08;
else if (ltf == 1 && gi == 1)
*fix_giltf = RTW89_GILTF_2XHE16;
else if (ltf == 1 && gi == 0)
*fix_giltf = RTW89_GILTF_2XHE08;
else if (ltf == 0 && gi == 1)
*fix_giltf = RTW89_GILTF_1XHE16;
else if (ltf == 0 && gi == 0)
*fix_giltf = RTW89_GILTF_1XHE08;
}
static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev,