add option to dynamically configure the fw
which debug traces to open

Signed-off-by: Guy Mishol <[email protected]>
---
 drivers/net/wireless/ti/wl18xx/acx.c     |   23 ++++++++++++++
 drivers/net/wireless/ti/wl18xx/acx.h     |   13 +++++++-
 drivers/net/wireless/ti/wl18xx/debugfs.c |   48 ++++++++++++++++++++++++++++++
 drivers/net/wireless/ti/wl18xx/main.c    |    5 +++
 drivers/net/wireless/ti/wlcore/wlcore.h  |    3 ++
 5 files changed, 91 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ti/wl18xx/acx.c 
b/drivers/net/wireless/ti/wl18xx/acx.c
index 86923d5..b7a70bc 100644
--- a/drivers/net/wireless/ti/wl18xx/acx.c
+++ b/drivers/net/wireless/ti/wl18xx/acx.c
@@ -280,3 +280,26 @@ out:
        return ret;
 }
 
+int wl18xx_acx_dynamic_fw_traces(struct wl1271 *wl)
+{
+       struct acx_dynamic_fw_traces_cfg *acx;
+       int ret;
+       wl1271_debug(DEBUG_ACX, "acx dynamic fw traces config %d",
+                    wl->dynamic_fw_traces);
+       acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+       if (!acx) {
+               ret = -ENOMEM;
+               goto out;
+       }
+       acx->dynamic_fw_traces = cpu_to_le32(wl->dynamic_fw_traces);
+
+       ret = wl1271_cmd_configure(wl, ACX_DYNAMIC_TRACES_CFG,
+                                                       acx, sizeof(*acx));
+       if (ret < 0) {
+               wl1271_warning("acx config dynamic fw traces failed: %d", ret);
+               goto out;
+       }
+out:
+       kfree(acx);
+       return ret;
+}
diff --git a/drivers/net/wireless/ti/wl18xx/acx.h 
b/drivers/net/wireless/ti/wl18xx/acx.h
index ce29713..d92211d 100644
--- a/drivers/net/wireless/ti/wl18xx/acx.h
+++ b/drivers/net/wireless/ti/wl18xx/acx.h
@@ -35,7 +35,8 @@ enum {
        ACX_PEER_CAP                     = 0x0056,
        ACX_INTERRUPT_NOTIFY             = 0x0057,
        ACX_RX_BA_FILTER                 = 0x0058,
-       ACX_AP_SLEEP_CFG                 = 0x0059
+       ACX_AP_SLEEP_CFG                 = 0x0059,
+       ACX_DYNAMIC_TRACES_CFG           = 0x005A,
 };
 
 /* numbers of bits the length field takes (add 1 for the actual number) */
@@ -406,6 +407,15 @@ struct acx_ap_sleep_cfg {
        u8 idle_conn_thresh;
 } __packed;
 
+/*
+ * ACX_DYNAMIC_TRACES_CFG
+ * configure the FW dynamic traces
+ */
+struct acx_dynamic_fw_traces_cfg {
+       struct acx_header header;
+       __le32 dynamic_fw_traces;
+} __packed;
+
 int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
                                  u32 sdio_blk_size, u32 extra_mem_blks,
                                  u32 len_field_size);
@@ -419,5 +429,6 @@ int wl18xx_acx_set_peer_cap(struct wl1271 *wl,
 int wl18xx_acx_interrupt_notify_config(struct wl1271 *wl, bool action);
 int wl18xx_acx_rx_ba_filter(struct wl1271 *wl, bool action);
 int wl18xx_acx_ap_sleep(struct wl1271 *wl);
+int wl18xx_acx_dynamic_fw_traces(struct wl1271 *wl);
 
 #endif /* __WL18XX_ACX_H__ */
diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c 
b/drivers/net/wireless/ti/wl18xx/debugfs.c
index 66bb4d0..0cb7e38 100644
--- a/drivers/net/wireless/ti/wl18xx/debugfs.c
+++ b/drivers/net/wireless/ti/wl18xx/debugfs.c
@@ -370,6 +370,53 @@ static const struct file_operations radar_debug_mode_ops = 
{
        .llseek = default_llseek,
 };
 
+static ssize_t dynamic_fw_traces_write(struct file *file,
+                                       const char __user *user_buf,
+                                       size_t count, loff_t *ppos)
+{
+       struct wl1271 *wl = file->private_data;
+       unsigned long value;
+       int ret;
+
+       ret = kstrtoul_from_user(user_buf, count, 0, &value);
+
+       mutex_lock(&wl->mutex);
+
+       wl->dynamic_fw_traces = value;
+
+       if (unlikely(wl->state != WLCORE_STATE_ON))
+               goto out;
+
+       ret = wl1271_ps_elp_wakeup(wl);
+       if (ret < 0)
+               goto out;
+
+       ret = wl18xx_acx_dynamic_fw_traces(wl);
+       if (ret < 0)
+               count = ret;
+
+       wl1271_ps_elp_sleep(wl);
+out:
+       mutex_unlock(&wl->mutex);
+       return count;
+}
+
+static ssize_t dynamic_fw_traces_read(struct file *file,
+                                       char __user *userbuf,
+                                       size_t count, loff_t *ppos)
+{
+       struct wl1271 *wl = file->private_data;
+       return wl1271_format_buffer(userbuf, count, ppos,
+                                       "%d\n", wl->dynamic_fw_traces);
+}
+
+static const struct file_operations dynamic_fw_traces_ops = {
+       .read = dynamic_fw_traces_read,
+       .write = dynamic_fw_traces_write,
+       .open = simple_open,
+       .llseek = default_llseek,
+};
+
 int wl18xx_debugfs_add_files(struct wl1271 *wl,
                             struct dentry *rootdir)
 {
@@ -551,6 +598,7 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl,
        DEBUGFS_ADD(conf, moddir);
        DEBUGFS_ADD(radar_detection, moddir);
        DEBUGFS_ADD(radar_debug_mode, moddir);
+       DEBUGFS_ADD(dynamic_fw_traces, moddir);
 
        return 0;
 
diff --git a/drivers/net/wireless/ti/wl18xx/main.c 
b/drivers/net/wireless/ti/wl18xx/main.c
index 638bfc5..213af48 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -1137,6 +1137,11 @@ static int wl18xx_hw_init(struct wl1271 *wl)
        if (ret < 0)
                return ret;
 
+       /* set the dynamic fw traces bitmap */
+       ret = wl18xx_acx_dynamic_fw_traces(wl);
+       if (ret < 0)
+               return ret;
+
        if (checksum_param) {
                ret = wl18xx_acx_set_checksum_state(wl);
                if (ret != 0)
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h 
b/drivers/net/wireless/ti/wlcore/wlcore.h
index 807d764..6787fb0 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -522,6 +522,9 @@ struct wl1271 {
        /* the current dfs region */
        enum nl80211_dfs_regions dfs_region;
        bool radar_debug_mode;
+
+       /* dynamic fw traces */
+       u32 dynamic_fw_traces;
 };
 
 int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
-- 
1.7.9

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