Print channel survey results on the debugfs. New entry
named "survey"
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/debugfs.c | 60 ++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 75219a1..42bc6e6 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1414,6 +1414,65 @@ static const struct file_operations fops_sta = {
.llseek = seq_lseek,
};
+/*---------Survey results------------*/
+static int wil_survey_debugfs_show(struct seq_file *s, void *data)
+{
+ struct wil6210_priv *wil = s->private;
+ int i, n_ch;
+ u16 filled;
+
+ if (!wil->survey_ready) {
+ seq_puts(s, "Survey not ready\n");
+ return 0;
+ }
+ seq_printf(s, "dwell_time : %d\n",
+ le32_to_cpu(wil->survey_reply.evt.dwell_time));
+ filled = le16_to_cpu(wil->survey_reply.evt.filled);
+ n_ch = min_t(int, wil->survey_reply.evt.num_scanned_channels,
+ ARRAY_SIZE(wil->survey_reply.ch_info));
+
+#define ACS_FILLED(x) (filled & WMI_ACS_INFO_BITMASK_ ## x) ? \
+ " " __stringify(x) : ""
+ seq_printf(s, "Filled : 0x%04x%s%s%s%s%s\n", filled,
+ ACS_FILLED(BEACON_FOUND),
+ ACS_FILLED(BUSY_TIME),
+ ACS_FILLED(TX_TIME),
+ ACS_FILLED(RX_TIME),
+ ACS_FILLED(NOISE)
+ );
+#undef ACS_FILLED
+ seq_printf(s, "Channels [%d] {\n", n_ch);
+ for (i = 0; i < n_ch; i++) {
+ struct scan_channel_info *ch = &wil->survey_reply.ch_info[i];
+
+ seq_printf(s, " [%d]", ch->channel);
+#define ACS_PRINT(x, str, field) do { if (filled & WMI_ACS_INFO_BITMASK_ ## x) \
+ seq_printf(s, " %s : %d", str, field); \
+ } while (0)
+ ACS_PRINT(BEACON_FOUND, "bcon", ch->beacon_found);
+ ACS_PRINT(BUSY_TIME, "busy", le16_to_cpu(ch->busy_time));
+ ACS_PRINT(TX_TIME, "tx", le16_to_cpu(ch->tx_time));
+ ACS_PRINT(RX_TIME, "rx", le16_to_cpu(ch->rx_time));
+ ACS_PRINT(NOISE, "noise", ch->noise);
+#undef ACS_PRINT
+ seq_puts(s, "\n");
+ }
+ seq_puts(s, "}\n");
+ return 0;
+}
+
+static int wil_survey_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_survey_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_survey = {
+ .open = wil_survey_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
/*----------------*/
static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
struct dentry *dbg)
@@ -1460,6 +1519,7 @@ static const struct {
{"link", S_IRUGO, &fops_link},
{"info", S_IRUGO, &fops_info},
{"recovery", S_IRUGO | S_IWUSR, &fops_recovery},
+ {"survey", S_IRUGO, &fops_survey},
};
static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
--
2.1.4
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