Merge "wil6210: support configurable board file via sysfs" (ac96e4e7) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/net/wireless/ath/wil6210/cfg80211.c

+66 −0

Original line number	Diff line number	Diff line
		@@ -14,6 +14,7 @@
		#include "fw.h"

		#define WIL_MAX_ROC_DURATION_MS 5000
		#define CTRY_CHINA "CN"

		bool disable_ap_sme;
		module_param(disable_ap_sme, bool, 0444);
		@@ -25,6 +26,10 @@ static struct wiphy_wowlan_support wil_wowlan_support = {
		};
		#endif

		static bool country_specific_board_file;
		module_param(country_specific_board_file, bool, 0444);
		MODULE_PARM_DESC(country_specific_board_file, " switch board file upon regulatory domain change (Default: false)");

		static bool ignore_reg_hints = true;
		module_param(ignore_reg_hints, bool, 0444);
		MODULE_PARM_DESC(ignore_reg_hints, " Ignore OTA regulatory hints (Default: true)");
		@@ -2102,6 +2107,65 @@ wil_cfg80211_sched_scan_stop(struct wiphy wiphy, struct net_device dev,
		return 0;
		}

		static int wil_switch_board_file(struct wil6210_priv *wil,
		const u8 *new_regdomain)
		{
		int rc = 0;

		if (!country_specific_board_file)
		return 0;

		if (memcmp(wil->regdomain, CTRY_CHINA, 2) == 0) {
		wil_info(wil, "moving out of China reg domain, use default board file\n");
		wil->board_file_country[0] = '\0';
		} else if (memcmp(new_regdomain, CTRY_CHINA, 2) == 0) {
		wil_info(wil, "moving into China reg domain, use country specific board file\n");
		strlcpy(wil->board_file_country, CTRY_CHINA,
		sizeof(wil->board_file_country));
		} else {
		return 0;
		}

		/* need to switch board file - reset the device */

		mutex_lock(&wil->mutex);

		if (!wil_has_active_ifaces(wil, true, false) \|\|
		wil_is_recovery_blocked(wil))
		/* new board file will be used in next FW load */
		goto out;

		__wil_down(wil);
		rc = __wil_up(wil);

		out:
		mutex_unlock(&wil->mutex);
		return rc;
		}

		static void wil_cfg80211_reg_notify(struct wiphy *wiphy,
		struct regulatory_request *request)
		{
		struct wil6210_priv *wil = wiphy_to_wil(wiphy);
		int rc;

		wil_info(wil, "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
		request->alpha2[0], request->alpha2[1],
		request->intersect ? " intersect" : "",
		request->processed ? " processed" : "",
		request->initiator, request->user_reg_hint_type);

		if (memcmp(wil->regdomain, request->alpha2, 2) == 0)
		/* reg domain did not change */
		return;

		rc = wil_switch_board_file(wil, request->alpha2);
		if (rc)
		wil_err(wil, "switch board file failed %d\n", rc);

		memcpy(wil->regdomain, request->alpha2, 2);
		}

		static const struct cfg80211_ops wil_cfg80211_ops = {
		.add_virtual_intf = wil_cfg80211_add_iface,
		.del_virtual_intf = wil_cfg80211_del_iface,
		@@ -2173,6 +2237,8 @@ static void wil_wiphy_init(struct wiphy *wiphy)
		wiphy->mgmt_stypes = wil_mgmt_stypes;
		wiphy->features \|= NL80211_FEATURE_SK_TX_STATUS;

		wiphy->reg_notifier = wil_cfg80211_reg_notify;

		wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
		wiphy->vendor_commands = wil_nl80211_vendor_commands;
		wiphy->vendor_events = wil_nl80211_vendor_events;

drivers/net/wireless/ath/wil6210/main.c

+23 −6

Original line number	Diff line number	Diff line
		@@ -706,6 +706,7 @@ void wil_priv_deinit(struct wil6210_priv *wil)
		wmi_event_flush(wil);
		destroy_workqueue(wil->wq_service);
		destroy_workqueue(wil->wmi_wq);
		kfree(wil->board_file);
		}

		static void wil_shutdown_bl(struct wil6210_priv *wil)
		@@ -1159,6 +1160,8 @@ void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
		void wil_get_board_file(struct wil6210_priv wil, char buf, size_t len)
		{
		const char *board_file;
		const char *ext;
		int prefix_len;
		const char *wil_talyn_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN :
		WIL_FW_NAME_TALYN;

		@@ -1174,7 +1177,21 @@ void wil_get_board_file(struct wil6210_priv wil, char buf, size_t len)
		board_file = WIL_BOARD_FILE_NAME;
		}

		if (wil->board_file_country[0] == '\0') {
		strlcpy(buf, board_file, len);
		return;
		}

		/* use country specific board file */
		if (len < strlen(board_file) + 4 /* for _XX and terminating null */)
		return;

		ext = strrchr(board_file, '.');
		prefix_len = (ext ? ext - board_file : strlen(board_file));
		snprintf(buf, len, "%.*s_%.2s",
		prefix_len, board_file, wil->board_file_country);
		if (ext)
		strlcat(buf, ext, len);
		}

		static int wil_get_bl_info(struct wil6210_priv *wil)
		@@ -1556,16 +1573,16 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
		if (load_fw) {
		char board_file[WIL_BOARD_FILE_MAX_NAMELEN];

		if (wil->secured_boot) {
		wil_err(wil, "secured boot is not supported\n");
		return -ENOTSUPP;
		}

		board_file[0] = '\0';
		wil_get_board_file(wil, board_file, sizeof(board_file));
		wil_info(wil, "Use firmware <%s> + board <%s>\n",
		wil->wil_fw_name, board_file);

		if (wil->secured_boot) {
		wil_err(wil, "secured boot is not supported\n");
		return -ENOTSUPP;
		}

		if (!no_flash)
		wil_bl_prepare_halt(wil);

drivers/net/wireless/ath/wil6210/sysfs.c

+45 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,50 @@ ftm_txrx_offset_store(struct device *dev,

		static DEVICE_ATTR_RW(ftm_txrx_offset);

		static ssize_t
		board_file_show(struct device *dev,
		struct device_attribute *attr,
		char *buf)
		{
		struct wil6210_priv *wil = dev_get_drvdata(dev);

		wil_get_board_file(wil, buf, PAGE_SIZE);
		strlcat(buf, "\n", PAGE_SIZE);
		return strlen(buf);
		}

		static ssize_t
		board_file_store(struct device *dev,
		struct device_attribute *attr,
		const char *buf, size_t count)
		{
		struct wil6210_priv *wil = dev_get_drvdata(dev);
		size_t len;

		mutex_lock(&wil->mutex);

		kfree(wil->board_file);
		wil->board_file = NULL;

		len = count;
		if (buf[count - 1] == '\n')
		len--;
		len = strnlen(buf, len);
		if (len > 0) {
		wil->board_file = kmalloc(len + 1, GFP_KERNEL);
		if (!wil->board_file) {
		mutex_unlock(&wil->mutex);
		return -ENOMEM;
		}
		strlcpy(wil->board_file, buf, len + 1);
		}
		mutex_unlock(&wil->mutex);

		return count;
		}

		static DEVICE_ATTR_RW(board_file);

		static ssize_t
		thermal_throttling_show(struct device dev, struct device_attribute attr,
		char *buf)
		@@ -291,6 +335,7 @@ static DEVICE_ATTR_RW(snr_thresh);

		static struct attribute *wil6210_sysfs_entries[] = {
		&dev_attr_ftm_txrx_offset.attr,
		&dev_attr_board_file.attr,
		&dev_attr_thermal_throttling.attr,
		&dev_attr_fst_link_loss.attr,
		&dev_attr_snr_thresh.attr,

drivers/net/wireless/ath/wil6210/wil6210.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -891,6 +891,7 @@ struct wil6210_priv {
		const char *hw_name;
		const char *wil_fw_name;
		char *board_file;
		char board_file_country[3]; /* alpha2 */
		u32 brd_file_addr;
		u32 brd_file_max_size;
		DECLARE_BITMAP(hw_capa, hw_capa_last);
		@@ -997,6 +998,9 @@ struct wil6210_priv {
		short direct;
		} snr_thresh;

		/* current reg domain configured in kernel */
		char regdomain[3]; /* alpha2 */

		struct notifier_block pm_notify;

		bool suspend_resp_rcvd;