@@ -21,6 +21,7 @@
#include "wcn36xx.h"
#include "debug.h"
#include "pmc.h"
+#include "firmware.h"
#ifdef CONFIG_WCN36XX_DEBUGFS
@@ -136,6 +137,40 @@ 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;
+ unsigned long page = get_zeroed_page(GFP_KERNEL);
+ char *p = (char *)page;
+ int i;
+ int ret;
+
+ if (!p)
+ 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)) {
+ p += sprintf(p, "FW Cap = %s\n",
+ wcn36xx_firmware_get_cap_name(i));
+ }
+ }
+ mutex_unlock(&wcn->hal_mutex);
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, (char *)page,
+ (unsigned long)p - page);
+
+ free_page(page);
+ 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 +198,8 @@ 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 FW Cap = MCC FW Cap = P2P FW Cap = DOT11AC FW Cap = SLM_SESSIONIZATION FW Cap = DOT11AC_OPMODE FW Cap = SAP32STA FW Cap = TDLS FW Cap = P2P_GO_NOA_DECOUPLE_INIT_SCAN FW Cap = WLANACTIVE_OFFLOAD FW Cap = BEACON_OFFLOAD FW Cap = SCAN_OFFLOAD FW Cap = BCN_MISS_OFFLOAD FW Cap = STA_POWERSAVE FW Cap = STA_ADVANCED_PWRSAVE FW Cap = BCN_FILTER FW Cap = RTT FW Cap = RATECTRL FW Cap = WOW FW Cap = WLAN_ROAM_SCAN_OFFLOAD FW Cap = SPECULATIVE_PS_POLL FW Cap = IBSS_HEARTBEAT_OFFLOAD FW Cap = WLAN_SCAN_OFFLOAD FW Cap = WLAN_PERIODIC_TX_PTRN FW Cap = ADVANCE_TDLS FW Cap = BATCH_SCAN FW Cap = FW_IN_TX_PATH FW Cap = EXTENDED_NSOFFLOAD_SLOT FW Cap = CH_SWITCH_V1 FW Cap = HT40_OBSS_SCAN FW Cap = UPDATE_CHANNEL_LIST FW Cap = WLAN_MCADDR_FLT FW Cap = WLAN_CH144 FW Cap = TDLS_SCAN_COEXISTENCE FW Cap = LINK_LAYER_STATS_MEAS FW Cap = MU_MIMO FW Cap = EXTENDED_SCAN FW Cap = DYNAMIC_WMM_PS FW Cap = MAC_SPOOFED_SCAN FW Cap = FW_STATS FW Cap = WPS_PRBRSP_TMPL FW Cap = BCN_IE_FLT_DELTA Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> --- drivers/net/wireless/ath/wcn36xx/debug.c | 37 ++++++++++++++++++++++++ drivers/net/wireless/ath/wcn36xx/debug.h | 1 + 2 files changed, 38 insertions(+)