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

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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.
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