Firmware can send simple ascii strings as debug messages using
WMI_DEBUG_PRINT_EVENTID, print those with ATH10K_DBG_WMI log level.
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/wmi.c | 33 +++++++++++++++++++++++++++++++--
1 file changed, 31 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 3ec6c9a..f992570 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -16,6 +16,7 @@
*/
#include <linux/skbuff.h>
+#include <linux/ctype.h>
#include "core.h"
#include "htc.h"
@@ -1676,9 +1677,37 @@ static void ath10k_wmi_event_profile_match(struct ath10k *ar,
}
static void ath10k_wmi_event_debug_print(struct ath10k *ar,
- struct sk_buff *skb)
+ struct sk_buff *skb)
{
- ath10k_dbg(ATH10K_DBG_WMI, "WMI_DEBUG_PRINT_EVENTID\n");
+ char buf[101], c;
+ int i;
+
+ for (i = 0; i < sizeof(buf) - 1; i++) {
+ if (i >= skb->len)
+ break;
+
+ c = skb->data[i];
+
+ if (c == '\0')
+ break;
+
+ if (isascii(c) && isprint(c))
+ buf[i] = c;
+ else
+ buf[i] = '.';
+ }
+
+ if (i == sizeof(buf) - 1)
+ ath10k_warn("wmi debug print truncated: %d\n", skb->len);
+
+ /* for some reason the debug prints end with \n, remove that */
+ if (skb->data[i - 1] == '\n')
+ i--;
+
+ /* the last byte is always reserved for the null character */
+ buf[i] = '\0';
+
+ ath10k_dbg(ATH10K_DBG_WMI, "wmi event debug print '%s'\n", buf);
}
static void ath10k_wmi_event_pdev_qvit(struct ath10k *ar, struct sk_buff *skb)
--
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