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-rw-r--r--drivers/net/wireless/realtek/rtw89/chan.c98
-rw-r--r--drivers/net/wireless/realtek/rtw89/chan.h2
-rw-r--r--drivers/net/wireless/realtek/rtw89/core.c70
-rw-r--r--drivers/net/wireless/realtek/rtw89/core.h6
-rw-r--r--drivers/net/wireless/realtek/rtw89/fw.c7
-rw-r--r--drivers/net/wireless/realtek/rtw89/mac.c7
6 files changed, 109 insertions, 81 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/chan.c b/drivers/net/wireless/realtek/rtw89/chan.c
index a5d1bf573ea6..0bf27a344d2b 100644
--- a/drivers/net/wireless/realtek/rtw89/chan.c
+++ b/drivers/net/wireless/realtek/rtw89/chan.c
@@ -4,6 +4,104 @@
#include "chan.h"
+static enum rtw89_subband rtw89_get_subband_type(enum rtw89_band band,
+ u8 center_chan)
+{
+ switch (band) {
+ default:
+ case RTW89_BAND_2G:
+ switch (center_chan) {
+ default:
+ case 1 ... 14:
+ return RTW89_CH_2G;
+ }
+ case RTW89_BAND_5G:
+ switch (center_chan) {
+ default:
+ case 36 ... 64:
+ return RTW89_CH_5G_BAND_1;
+ case 100 ... 144:
+ return RTW89_CH_5G_BAND_3;
+ case 149 ... 177:
+ return RTW89_CH_5G_BAND_4;
+ }
+ case RTW89_BAND_6G:
+ switch (center_chan) {
+ default:
+ case 1 ... 29:
+ return RTW89_CH_6G_BAND_IDX0;
+ case 33 ... 61:
+ return RTW89_CH_6G_BAND_IDX1;
+ case 65 ... 93:
+ return RTW89_CH_6G_BAND_IDX2;
+ case 97 ... 125:
+ return RTW89_CH_6G_BAND_IDX3;
+ case 129 ... 157:
+ return RTW89_CH_6G_BAND_IDX4;
+ case 161 ... 189:
+ return RTW89_CH_6G_BAND_IDX5;
+ case 193 ... 221:
+ return RTW89_CH_6G_BAND_IDX6;
+ case 225 ... 253:
+ return RTW89_CH_6G_BAND_IDX7;
+ }
+ }
+}
+
+static enum rtw89_sc_offset rtw89_get_primary_chan_idx(enum rtw89_bandwidth bw,
+ u32 center_freq,
+ u32 primary_freq)
+{
+ u8 primary_chan_idx;
+ u32 offset;
+
+ switch (bw) {
+ default:
+ case RTW89_CHANNEL_WIDTH_20:
+ primary_chan_idx = RTW89_SC_DONT_CARE;
+ break;
+ case RTW89_CHANNEL_WIDTH_40:
+ if (primary_freq > center_freq)
+ primary_chan_idx = RTW89_SC_20_UPPER;
+ else
+ primary_chan_idx = RTW89_SC_20_LOWER;
+ break;
+ case RTW89_CHANNEL_WIDTH_80:
+ case RTW89_CHANNEL_WIDTH_160:
+ if (primary_freq > center_freq) {
+ offset = (primary_freq - center_freq - 10) / 20;
+ primary_chan_idx = RTW89_SC_20_UPPER + offset * 2;
+ } else {
+ offset = (center_freq - primary_freq - 10) / 20;
+ primary_chan_idx = RTW89_SC_20_LOWER + offset * 2;
+ }
+ break;
+ }
+
+ return primary_chan_idx;
+}
+
+void rtw89_chan_create(struct rtw89_chan *chan, u8 center_chan, u8 primary_chan,
+ enum rtw89_band band, enum rtw89_bandwidth bandwidth)
+{
+ enum nl80211_band nl_band = rtw89_hw_to_nl80211_band(band);
+ u32 center_freq, primary_freq;
+
+ memset(chan, 0, sizeof(*chan));
+ chan->channel = center_chan;
+ chan->primary_channel = primary_chan;
+ chan->band_type = band;
+ chan->band_width = bandwidth;
+
+ center_freq = ieee80211_channel_to_frequency(center_chan, nl_band);
+ primary_freq = ieee80211_channel_to_frequency(primary_chan, nl_band);
+
+ chan->freq = center_freq;
+ chan->subband_type = rtw89_get_subband_type(band, center_chan);
+ chan->pri_ch_idx = rtw89_get_primary_chan_idx(bandwidth, center_freq,
+ primary_freq);
+}
+
bool rtw89_assign_entity_chan(struct rtw89_dev *rtwdev,
enum rtw89_sub_entity_idx idx,
const struct rtw89_chan *new)
diff --git a/drivers/net/wireless/realtek/rtw89/chan.h b/drivers/net/wireless/realtek/rtw89/chan.h
index ac5cc356b818..d39311a3d5ba 100644
--- a/drivers/net/wireless/realtek/rtw89/chan.h
+++ b/drivers/net/wireless/realtek/rtw89/chan.h
@@ -21,6 +21,8 @@ static inline void rtw89_set_entity_state(struct rtw89_dev *rtwdev, bool active)
WRITE_ONCE(hal->entity_active, active);
}
+void rtw89_chan_create(struct rtw89_chan *chan, u8 center_chan, u8 primary_chan,
+ enum rtw89_band band, enum rtw89_bandwidth bandwidth);
bool rtw89_assign_entity_chan(struct rtw89_dev *rtwdev,
enum rtw89_sub_entity_idx idx,
const struct rtw89_chan *new);
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 78d9e6a7a098..6ffad5da9161 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -233,10 +233,8 @@ static void rtw89_get_channel_params(struct cfg80211_chan_def *chandef,
u32 primary_freq, center_freq;
u8 center_chan;
u8 bandwidth = RTW89_CHANNEL_WIDTH_20;
- u8 primary_chan_idx = 0;
u32 offset;
u8 band;
- u8 subband;
center_chan = channel->hw_value;
primary_freq = channel->center_freq;
@@ -246,15 +244,12 @@ static void rtw89_get_channel_params(struct cfg80211_chan_def *chandef,
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
bandwidth = RTW89_CHANNEL_WIDTH_20;
- primary_chan_idx = RTW89_SC_DONT_CARE;
break;
case NL80211_CHAN_WIDTH_40:
bandwidth = RTW89_CHANNEL_WIDTH_40;
if (primary_freq > center_freq) {
- primary_chan_idx = RTW89_SC_20_UPPER;
center_chan -= 2;
} else {
- primary_chan_idx = RTW89_SC_20_LOWER;
center_chan += 2;
}
break;
@@ -263,11 +258,9 @@ static void rtw89_get_channel_params(struct cfg80211_chan_def *chandef,
bandwidth = nl_to_rtw89_bandwidth(width);
if (primary_freq > center_freq) {
offset = (primary_freq - center_freq - 10) / 20;
- primary_chan_idx = RTW89_SC_20_UPPER + offset * 2;
center_chan -= 2 + offset * 4;
} else {
offset = (center_freq - primary_freq - 10) / 20;
- primary_chan_idx = RTW89_SC_20_LOWER + offset * 2;
center_chan += 2 + offset * 4;
}
break;
@@ -289,68 +282,7 @@ static void rtw89_get_channel_params(struct cfg80211_chan_def *chandef,
break;
}
- switch (band) {
- default:
- case RTW89_BAND_2G:
- switch (center_chan) {
- default:
- case 1 ... 14:
- subband = RTW89_CH_2G;
- break;
- }
- break;
- case RTW89_BAND_5G:
- switch (center_chan) {
- default:
- case 36 ... 64:
- subband = RTW89_CH_5G_BAND_1;
- break;
- case 100 ... 144:
- subband = RTW89_CH_5G_BAND_3;
- break;
- case 149 ... 177:
- subband = RTW89_CH_5G_BAND_4;
- break;
- }
- break;
- case RTW89_BAND_6G:
- switch (center_chan) {
- default:
- case 1 ... 29:
- subband = RTW89_CH_6G_BAND_IDX0;
- break;
- case 33 ... 61:
- subband = RTW89_CH_6G_BAND_IDX1;
- break;
- case 65 ... 93:
- subband = RTW89_CH_6G_BAND_IDX2;
- break;
- case 97 ... 125:
- subband = RTW89_CH_6G_BAND_IDX3;
- break;
- case 129 ... 157:
- subband = RTW89_CH_6G_BAND_IDX4;
- break;
- case 161 ... 189:
- subband = RTW89_CH_6G_BAND_IDX5;
- break;
- case 193 ... 221:
- subband = RTW89_CH_6G_BAND_IDX6;
- break;
- case 225 ... 253:
- subband = RTW89_CH_6G_BAND_IDX7;
- break;
- }
- break;
- }
-
- chan->channel = center_chan;
- chan->freq = center_freq;
- chan->primary_channel = channel->hw_value;
- chan->band_type = band;
- chan->band_width = bandwidth;
- chan->subband_type = subband;
- chan->pri_ch_idx = primary_chan_idx;
+ rtw89_chan_create(chan, center_chan, channel->hw_value, band, bandwidth);
}
void rtw89_core_set_chip_txpwr(struct rtw89_dev *rtwdev)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 86e7341198c6..cc61043fb5da 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -632,10 +632,14 @@ enum rtw89_sc_offset {
struct rtw89_chan {
u8 channel;
- u32 freq;
u8 primary_channel;
enum rtw89_band band_type;
enum rtw89_bandwidth band_width;
+
+ /* The follow-up are derived from the above. We must ensure that it
+ * is assigned correctly in rtw89_chan_create() if new one is added.
+ */
+ u32 freq;
enum rtw89_subband subband_type;
enum rtw89_sc_offset pri_ch_idx;
};
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 8dcd02d90f45..cee9815b6df6 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -2388,11 +2388,8 @@ void rtw89_store_op_chan(struct rtw89_dev *rtwdev, bool backup)
scan_info->op_bw = cur->band_width;
scan_info->op_band = cur->band_type;
} else {
- new = *cur;
- new.primary_channel = scan_info->op_pri_ch;
- new.channel = scan_info->op_chan;
- new.band_width = scan_info->op_bw;
- new.band_type = scan_info->op_band;
+ rtw89_chan_create(&new, scan_info->op_chan, scan_info->op_pri_ch,
+ scan_info->op_band, scan_info->op_bw);
rtw89_assign_entity_chan(rtwdev, RTW89_SUB_ENTITY_0, &new);
}
}
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index b9fb983b6ce2..b90ab56b1c77 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -3655,7 +3655,6 @@ rtw89_mac_c2h_scanofld_rsp(struct rtw89_dev *rtwdev, struct sk_buff *c2h,
u32 len)
{
struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif;
- const struct rtw89_chan *cur = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
struct rtw89_chan new;
u8 reason, status, tx_fail, band;
u16 chan;
@@ -3682,11 +3681,7 @@ rtw89_mac_c2h_scanofld_rsp(struct rtw89_dev *rtwdev, struct sk_buff *c2h,
rtw89_hw_scan_complete(rtwdev, vif, false);
break;
case RTW89_SCAN_ENTER_CH_NOTIFY:
- new = *cur;
- new.channel = chan;
- new.primary_channel = chan;
- new.band_type = band;
- new.band_width = RTW89_CHANNEL_WIDTH_20;
+ rtw89_chan_create(&new, chan, chan, band, RTW89_CHANNEL_WIDTH_20);
rtw89_assign_entity_chan(rtwdev, RTW89_SUB_ENTITY_0, &new);
if (rtw89_is_op_chan(rtwdev, band, chan)) {
rtw89_store_op_chan(rtwdev, false);
generated by cgit (git 2.34.1) at 2025-02-25 18:27:53 +0000