diff options
| author | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-01-03 11:59:20 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-01-10 10:49:25 +0100 |
| commit | 2fe5288c11dae71c178a9d948347933b0b76a5f5 (patch) | |
| tree | 03089e8933e33309daff6e7d89c4f1602da054ba | |
| parent | ath10k: track number of existing peers (diff) | |
| download | linux-2fe5288c11dae71c178a9d948347933b0b76a5f5.tar.xz linux-2fe5288c11dae71c178a9d948347933b0b76a5f5.zip | |
ath10k: handle WMI debug print events
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@qca.qualcomm.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 3ec6c9a84e84..f9925708f588 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) |