@@ -21,6 +21,7 @@
#include "wcn36xx.h"
#include "debug.h"
#include "pmc.h"
+#include "firmware.h"
#ifdef CONFIG_WCN36XX_DEBUGFS
@@ -136,6 +137,42 @@ static const struct file_operations fops_wcn36xx_dump = {
.write = write_file_dump,
};
+static ssize_t read_file_firmware_feature_caps(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wcn36xx *wcn = file->private_data;
+ size_t len = 0, buf_len = 2048;
+ char *buf;
+ int i;
+ int ret;
+
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ mutex_lock(&wcn->hal_mutex);
+ for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) {
+ if (wcn36xx_firmware_get_feat_caps(wcn->fw_feat_caps, i)) {
+ len += scnprintf(buf + len, buf_len - len, "%s\n",
+ wcn36xx_firmware_get_cap_name(i));
+ }
+ if (len >= buf_len)
+ break;
+ }
+ mutex_unlock(&wcn->hal_mutex);
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return ret;
+}
+
+static const struct file_operations fops_wcn36xx_firmware_feat_caps = {
+ .open = simple_open,
+ .read = read_file_firmware_feature_caps,
+};
+
#define ADD_FILE(name, mode, fop, priv_data) \
do { \
struct dentry *d; \
@@ -163,6 +200,8 @@ void wcn36xx_debugfs_init(struct wcn36xx *wcn)
ADD_FILE(bmps_switcher, 0600, &fops_wcn36xx_bmps, wcn);
ADD_FILE(dump, 0200, &fops_wcn36xx_dump, wcn);
+ ADD_FILE(firmware_feat_caps, 0200,
+ &fops_wcn36xx_firmware_feat_caps, wcn);
}
void wcn36xx_debugfs_exit(struct wcn36xx *wcn)
@@ -31,6 +31,7 @@ struct wcn36xx_dfs_entry {
struct dentry *rootdir;
struct wcn36xx_dfs_file file_bmps_switcher;
struct wcn36xx_dfs_file file_dump;
+ struct wcn36xx_dfs_file file_firmware_feat_caps;
};
void wcn36xx_debugfs_init(struct wcn36xx *wcn);
Add in the ability to easily find the firmware feature bits reported in the get feature exchange without having to compile-in debug prints. root@linaro-alip:~# cat /sys/kernel/debug/ieee80211/phy0/wcn36xx/firmware_feat_caps MCC P2P DOT11AC SLM_SESSIONIZATION DOT11AC_OPMODE SAP32STA TDLS P2P_GO_NOA_DECOUPLE_INIT_SCAN WLANACTIVE_OFFLOAD BEACON_OFFLOAD SCAN_OFFLOAD BCN_MISS_OFFLOAD STA_POWERSAVE STA_ADVANCED_PWRSAVE BCN_FILTER RTT RATECTRL WOW WLAN_ROAM_SCAN_OFFLOAD SPECULATIVE_PS_POLL IBSS_HEARTBEAT_OFFLOAD WLAN_SCAN_OFFLOAD WLAN_PERIODIC_TX_PTRN ADVANCE_TDLS BATCH_SCAN FW_IN_TX_PATH EXTENDED_NSOFFLOAD_SLOT CH_SWITCH_V1 HT40_OBSS_SCAN UPDATE_CHANNEL_LIST WLAN_MCADDR_FLT WLAN_CH144 TDLS_SCAN_COEXISTENCE LINK_LAYER_STATS_MEAS MU_MIMO EXTENDED_SCAN DYNAMIC_WMM_PS MAC_SPOOFED_SCAN FW_STATS WPS_PRBRSP_TMPL BCN_IE_FLT_DELTA Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> --- drivers/net/wireless/ath/wcn36xx/debug.c | 39 ++++++++++++++++++++++++ drivers/net/wireless/ath/wcn36xx/debug.h | 1 + 2 files changed, 40 insertions(+)