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wifi: rtl8xxxu: Introduce rtl8xxxu_update_ra_report 

The ra_report struct is used for reporting the TX rate via
sta_statistics. The code which fills it out is duplicated in two
places, and the RTL8188EU will need it in a third place. Move this
code into a new function rtl8xxxu_update_ra_report.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/0777ad35-fe03-473c-2e02-e3390bef5dd0@gmail.com
This commit is contained in:
Bitterblue Smith 2022-12-01 16:16:46 +02:00 committed by Kalle Valo
parent 76c16af2cb
commit 7de16123d9
1 changed files with 45 additions and 60 deletions
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105
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
View File

@ -4598,6 +4598,32 @@ static void rtl8xxxu_set_aifs(struct rtl8xxxu_priv *priv, u8 slot_time)
}
}
static void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt,
u8 rate, u8 sgi, u8 bw)
{
u8 mcs, nss;
rarpt->txrate.flags = 0;
if (rate <= DESC_RATE_54M) {
rarpt->txrate.legacy = rtl8xxxu_legacy_ratetable[rate].bitrate;
} else {
rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss);
rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS;
rarpt->txrate.mcs = mcs;
rarpt->txrate.nss = nss;
if (sgi)
rarpt->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
rarpt->txrate.bw = bw;
}
rarpt->bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate);
rarpt->desc_rate = rate;
}
static void
rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf, u64 changed)
@ -4620,9 +4646,7 @@ rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 ramask;
int sgi = 0;
u8 highest_rate;
u8 mcs = 0, nss = 0;
u32 bit_rate;
u8 bw;
rcu_read_lock();
sta = ieee80211_find_sta(vif, bss_conf->bssid);
@ -4647,37 +4671,19 @@ rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
sgi = 1;
highest_rate = fls(ramask) - 1;
if (highest_rate < DESC_RATE_MCS0) {
rarpt->txrate.legacy =
rtl8xxxu_legacy_ratetable[highest_rate].bitrate;
} else {
rtl8xxxu_desc_to_mcsrate(highest_rate,
&mcs, &nss);
rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS;
rarpt->txrate.mcs = mcs;
rarpt->txrate.nss = nss;
if (sgi) {
rarpt->txrate.flags |=
RATE_INFO_FLAGS_SHORT_GI;
}
if (rtl8xxxu_ht40_2g &&
(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
rarpt->txrate.bw = RATE_INFO_BW_40;
else
rarpt->txrate.bw = RATE_INFO_BW_20;
}
if (rtl8xxxu_ht40_2g &&
(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
bw = RATE_INFO_BW_40;
else
bw = RATE_INFO_BW_20;
rcu_read_unlock();
bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate);
rarpt->bit_rate = bit_rate;
rarpt->desc_rate = highest_rate;
rtl8xxxu_update_ra_report(rarpt, highest_rate, sgi, bw);
priv->vif = vif;
priv->rssi_level = RTL8XXXU_RATR_STA_INIT;
priv->fops->update_rate_mask(priv, ramask, 0, sgi, rarpt->txrate.bw == RATE_INFO_BW_40);
priv->fops->update_rate_mask(priv, ramask, 0, sgi, bw == RATE_INFO_BW_40);
rtl8xxxu_write8(priv, REG_BCN_MAX_ERR, 0xff);
@ -5538,9 +5544,7 @@ static void rtl8xxxu_c2hcmd_callback(struct work_struct *work)
u8 bt_info = 0;
struct rtl8xxxu_btcoex *btcoex;
struct rtl8xxxu_ra_report *rarpt;
u8 rate, sgi, bw;
u32 bit_rate;
u8 mcs = 0, nss = 0;
u8 bw;
priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work);
btcoex = &priv->bt_coex;
@ -5566,36 +5570,17 @@ static void rtl8xxxu_c2hcmd_callback(struct work_struct *work)
rtl8723bu_handle_bt_info(priv);
break;
case C2H_8723B_RA_REPORT:
rarpt->txrate.flags = 0;
rate = c2h->ra_report.rate;
sgi = c2h->ra_report.sgi;
bw = rarpt->txrate.bw;
if (rate < DESC_RATE_MCS0) {
rarpt->txrate.legacy =
rtl8xxxu_legacy_ratetable[rate].bitrate;
} else {
rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss);
rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS;
rarpt->txrate.mcs = mcs;
rarpt->txrate.nss = nss;
if (sgi) {
rarpt->txrate.flags |=
RATE_INFO_FLAGS_SHORT_GI;
}
if (skb->len >= offsetofend(typeof(*c2h), ra_report.bw)) {
if (c2h->ra_report.bw == RTL8XXXU_CHANNEL_WIDTH_40)
bw = RATE_INFO_BW_40;
else
bw = RATE_INFO_BW_20;
rarpt->txrate.bw = bw;
}
if (skb->len >= offsetofend(typeof(*c2h), ra_report.bw)) {
if (c2h->ra_report.bw == RTL8XXXU_CHANNEL_WIDTH_40)
bw = RATE_INFO_BW_40;
else
bw = RATE_INFO_BW_20;
}
bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate);
rarpt->bit_rate = bit_rate;
rarpt->desc_rate = rate;
rtl8xxxu_update_ra_report(rarpt, c2h->ra_report.rate,
c2h->ra_report.sgi, bw);
break;
default:
break;