aredn/patches/742-5-and-10mhz-ath10k-ct-support.patch

Index: openwrt/package/kernel/ath10k-ct/patches/999-0002-ath10k-5_10Mhz.patch
===================================================================
--- /dev/null
+++ openwrt/package/kernel/ath10k-ct/patches/999-0002-ath10k-5_10Mhz.patch
@@ -0,0 +1,272 @@
+diff -urpN a/ath10k-5.15/debug.c b/ath10k-5.15/debug.c
+--- a/ath10k-5.15/debug.c	2022-05-13 22:42:36.000000000 +0100
++++ b/ath10k-5.15/debug.c	2022-11-29 12:22:12.836789627 +0000
+@@ -4403,6 +4403,54 @@ static const struct file_operations fops
+ 	.llseek = default_llseek,
+ };
+ 
++static ssize_t read_file_chan_bw(struct file *file, char __user *user_buf,
++			     size_t count, loff_t *ppos)
++{
++	struct ath10k *ar = file->private_data;
++	struct ath_common *common = &ar->ath_common;
++	char buf[32];
++	unsigned int len;
++
++	len = sprintf(buf, "0x%08x\n", common->chan_bw);
++	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
++}
++
++int ath10k_update_channel_list(struct ath10k *ar);
++
++static ssize_t write_file_chan_bw(struct file *file, const char __user *user_buf,
++			     size_t count, loff_t *ppos)
++{
++	struct ath10k *ar = file->private_data;
++	struct ath_common *common = &ar->ath_common;
++	unsigned long chan_bw;
++	int ret;
++	char buf[32];
++	ssize_t len;
++
++	len = min(count, sizeof(buf) - 1);
++	if (copy_from_user(buf, user_buf, len))
++		return -EFAULT;
++
++	buf[len] = '\0';
++	if (kstrtoul(buf, 0, &chan_bw))
++		return -EINVAL;
++
++	common->chan_bw = chan_bw;
++	ret = ath10k_update_channel_list(ar);
++	if (ret)
++		ath10k_warn(ar, "failed to update channel list: %d\n", ret);
++
++	return count;
++}
++
++static const struct file_operations fops_chanbw = {
++	.read = read_file_chan_bw,
++	.write = write_file_chan_bw,
++	.open = simple_open,
++	.owner = THIS_MODULE,
++	.llseek = default_llseek,
++};
++
+ int ath10k_debug_create(struct ath10k *ar)
+ {
+ 	ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN);
+@@ -4451,6 +4499,9 @@ int ath10k_debug_register(struct ath10k
+ 	init_completion(&ar->debug.ratepwr_tbl_complete);
+ 	init_completion(&ar->debug.powerctl_tbl_complete);
+ 
++	debugfs_create_file("chanbw", S_IRUSR | S_IWUSR, ar->debug.debugfs_phy,
++			    ar, &fops_chanbw);
++
+ 	debugfs_create_file("fw_stats", 0400, ar->debug.debugfs_phy, ar,
+ 			    &fops_fw_stats);
+ 
+diff -urpN a/ath10k-5.15/mac.c b/ath10k-5.15/mac.c
+--- a/ath10k-5.15/mac.c	2022-11-29 12:18:41.281151667 +0000
++++ b/ath10k-5.15/mac.c	2022-11-29 12:21:15.199940728 +0000
+@@ -697,6 +697,8 @@ chan_to_phymode(const struct cfg80211_ch
+ 	switch (chandef->chan->band) {
+ 	case NL80211_BAND_2GHZ:
+ 		switch (chandef->width) {
++		case NL80211_CHAN_WIDTH_5:
++		case NL80211_CHAN_WIDTH_10:
+ 		case NL80211_CHAN_WIDTH_20_NOHT:
+ 			if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
+ 				phymode = MODE_11B;
+@@ -716,6 +718,8 @@ chan_to_phymode(const struct cfg80211_ch
+ 		break;
+ 	case NL80211_BAND_5GHZ:
+ 		switch (chandef->width) {
++		case NL80211_CHAN_WIDTH_5:
++		case NL80211_CHAN_WIDTH_10:
+ 		case NL80211_CHAN_WIDTH_20_NOHT:
+ 			phymode = MODE_11A;
+ 			break;
+@@ -1311,6 +1315,16 @@ static int ath10k_monitor_vdev_start(str
+ 	arg.channel.max_reg_power = channel->max_reg_power * 2;
+ 	arg.channel.max_antenna_gain = ath10k_get_max_antenna_gain(ar,
+ 						channel->max_antenna_gain);
++	arg.channel.quarter = false;
++	arg.channel.half = false;
++	if (ar->ath_common.chan_bw == 5)
++		arg.channel.quarter = true;
++	else if (ar->ath_common.chan_bw == 10)
++		arg.channel.half = true;
++	else if (chandef->width == NL80211_CHAN_WIDTH_5)
++		arg.channel.quarter = true;
++	else if (chandef->width == NL80211_CHAN_WIDTH_10)
++		arg.channel.half = true;
+ 
+ 	reinit_completion(&ar->vdev_setup_done);
+ 	reinit_completion(&ar->vdev_delete_done);
+@@ -1756,6 +1770,21 @@ static int ath10k_vdev_start_restart(str
+ 		}
+ 	}
+ 
++	arg.channel.quarter = false;
++	arg.channel.half = false;
++	if (ar->ath_common.chan_bw == 5)
++		arg.channel.quarter = true;
++	else if (ar->ath_common.chan_bw == 10)
++		arg.channel.half = true;
++	else if (chandef->width == NL80211_CHAN_WIDTH_5) {
++		arg.channel.quarter = true;
++		ar->ath_common.chan_bw = 5;
++	}
++	else if (chandef->width == NL80211_CHAN_WIDTH_10) {
++		arg.channel.half = true;
++		ar->ath_common.chan_bw = 10;
++	}
++
+ 	if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
+ 		arg.ssid = arvif->u.ap.ssid;
+ 		arg.ssid_len = arvif->u.ap.ssid_len;
+@@ -4097,7 +4126,7 @@ static int ath10k_station_disassoc(struc
+ /* Regulatory */
+ /**************/
+ 
+-static int ath10k_update_channel_list(struct ath10k *ar)
++int ath10k_update_channel_list(struct ath10k *ar)
+ {
+ 	struct ieee80211_hw *hw = ar->hw;
+ 	struct ieee80211_supported_band **bands;
+@@ -4174,6 +4203,12 @@ static int ath10k_update_channel_list(st
+ 			ch->max_antenna_gain = ath10k_get_max_antenna_gain(ar,
+ 						channel->max_antenna_gain);
+ 			ch->reg_class_id = 0; /* FIXME */
++			ch->half = false;
++			ch->quarter = false;
++			if (ar->ath_common.chan_bw == 5)
++			    ch->quarter = true;
++			else if (ar->ath_common.chan_bw == 10)
++			    ch->half = true;
+ 
+ 			/* FIXME: why use only legacy modes, why not any
+ 			 * HT/VHT modes? Would that even make any
+@@ -5841,6 +5876,7 @@ static void ath10k_mac_setup_ht_vht_cap(
+ 	if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
+ 		band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ 		band->ht_cap = ht_cap;
++                band->vht_cap = vht_cap;
+ 
+ 		/* Enable the VHT support at 2.4 GHz */
+ 		band->vht_cap = vht_cap;
+@@ -7179,7 +7215,7 @@ static void ath10k_mac_op_set_coverage_c
+ 	if (value != ar->fw_coverage.coverage_class)
+ 		ar->eeprom_overrides.coverage_already_set = false; /* value is being changed */
+ 	mutex_unlock(&ar->conf_mutex);
+-
++        
+ 	ar->hw_params.hw_ops->set_coverage_class(ar, value);
+ }
+ 
+@@ -7319,6 +7355,11 @@ static int ath10k_hw_scan(struct ieee802
+ 		arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
+ 	}
+ 
++	if (ar->ath_common.chan_bw == 5)
++		arg.scan_ctrl_flags |= WMI_SCAN_FLAG_QUARTER_RATE_SUPPORT;
++	else if (ar->ath_common.chan_bw == 10)
++		arg.scan_ctrl_flags |= WMI_SCAN_FLAG_HALF_RATE_SUPPORT;
++
+ 	if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ 		arg.scan_ctrl_flags |=  WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ;
+ 		ether_addr_copy(arg.mac_addr.addr, req->mac_addr);
+@@ -8849,6 +8890,10 @@ static int ath10k_remain_on_channel(stru
+ 	arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
+ 	arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
+ 	arg.burst_duration_ms = duration;
++	if (ar->ath_common.chan_bw == 5)
++		arg.scan_ctrl_flags |= WMI_SCAN_FLAG_QUARTER_RATE_SUPPORT;
++	else if (ar->ath_common.chan_bw == 10)
++		arg.scan_ctrl_flags |= WMI_SCAN_FLAG_HALF_RATE_SUPPORT;
+ 
+ 	if (ath10k_mac_vif_has_any_cck(ar, vif, (1 << chan->band)))
+ 		arg.scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES;
+@@ -11296,6 +11341,7 @@ int ath10k_mac_register(struct ath10k *a
+ 			ieee80211_hw_set(ar->hw, TDLS_WIDER_BW);
+ 	}
+ 
++	ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_5_10_MHZ;
+ 	if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA, ar->wmi.svc_map))
+ 		ieee80211_hw_set(ar->hw, SUPPORTS_TDLS_BUFFER_STA);
+ 
+diff -urpN a/ath10k-5.15/spectral.c b/ath10k-5.15/spectral.c
+--- a/ath10k-5.15/spectral.c	2022-11-29 12:18:41.285151725 +0000
++++ b/ath10k-5.15/spectral.c	2022-11-29 12:21:15.199940728 +0000
+@@ -90,6 +90,12 @@ int ath10k_spectral_process_fft(struct a
+ 	 * but the results/plots suggest that its actually 22/44/88 MHz.
+ 	 */
+ 	switch (phyerr->chan_width_mhz) {
++	case 5:
++		fft_sample->chan_width_mhz = 5;
++		break;
++	case 10:
++		fft_sample->chan_width_mhz = 11;
++		break;
+ 	case 20:
+ 		fft_sample->chan_width_mhz = 22;
+ 		break;
+diff -urpN a/ath10k-5.15/wmi.c b/ath10k-5.15/wmi.c
+--- a/ath10k-5.15/wmi.c	2022-11-29 12:18:41.277151608 +0000
++++ b/ath10k-5.15/wmi.c	2022-11-29 12:21:15.203940797 +0000
+@@ -1786,6 +1786,10 @@ void ath10k_wmi_put_wmi_channel(struct a
+ 		flags |= WMI_CHAN_FLAG_HT40_PLUS;
+ 	if (arg->chan_radar)
+ 		flags |= WMI_CHAN_FLAG_DFS;
++	if (arg->quarter)
++		flags |= WMI_CHAN_FLAG_QUARTER;
++	else if (arg->half)
++		flags |= WMI_CHAN_FLAG_HALF;
+ 
+ 	ch->band_center_freq2 = 0;
+ 
+@@ -8546,6 +8550,12 @@ ath10k_wmi_op_gen_scan_chan_list(struct
+ 	for (i = 0; i < arg->n_channels; i++) {
+ 		ch = &arg->channels[i];
+ 		ci = &cmd->chan_info[i];
++		ch->quarter = false;
++		ch->half = false;
++		if (ar->ath_common.chan_bw == 5)
++			ch->quarter = true;
++		else if (ar->ath_common.chan_bw == 10)
++			ch->half = true;
+ 
+ 		ath10k_wmi_put_wmi_channel(ar, ci, ch, -1);
+ 	}
+diff -urpN a/ath10k-5.15/wmi.h b/ath10k-5.15/wmi.h
+--- a/ath10k-5.15/wmi.h	2022-11-29 12:18:41.277151608 +0000
++++ b/ath10k-5.15/wmi.h	2022-11-29 12:21:15.207940866 +0000
+@@ -2146,6 +2146,8 @@ struct wmi_channel_arg {
+ 	bool allow_ht;
+ 	bool allow_vht;
+ 	bool ht40plus;
++	bool quarter;
++	bool half;
+ 	bool chan_radar;
+ 	/* note: power unit is 0.5 dBm */
+ 	u32 min_power;
+@@ -3431,6 +3433,18 @@ struct wmi_start_scan_arg {
+  * Allow the driver to have influence over that.
+  */
+ #define WMI_SCAN_CONTINUE_ON_ERROR 0x80
++/** set scan with promiscous mode */
++#define WMI_SCAN_PROMISCOUS_MODE    0x80
++/** allow capture ppdu with phy errrors */
++#define WMI_SCAN_CAPTURE_PHY_ERROR  0x100
++/** always do passive scan on passive channels */
++#define WMI_SCAN_FLAG_STRICT_PASSIVE_ON_PCHN 0x200
++/** set HALF (10MHz) rate support */
++#define WMI_SCAN_FLAG_HALF_RATE_SUPPORT    0x20000
++/** set Quarter (5MHz) rate support */
++#define WMI_SCAN_FLAG_QUARTER_RATE_SUPPORT 0x40000
++/** WMI_SCAN_CLASS_MASK must be the same value as IEEE80211_SCAN_CLASS_MASK */
++#define WMI_SCAN_CLASS_MASK 0xFF000000
+ 
+ /* Use random MAC address for TA for Probe Request frame and add
+  * OUI specified by WMI_SCAN_PROB_REQ_OUI_CMDID to the Probe Request frame.