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ath10k: implement diag event

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Some firmware revisions may report this event as
part of their diagnostics.

This avoids `unknown event` warnings and adds
tracing for the event.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2015-01-24 12:14:47 +02:00 committed by Kalle Valo
parent 04de6c6ce6
commit c3113c393e
2 changed files with 58 additions and 0 deletions
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27
drivers/net/wireless/ath/ath10k/trace.h
View File

@ -494,6 +494,33 @@ TRACE_EVENT(ath10k_wmi_diag_container,
)
);
TRACE_EVENT(ath10k_wmi_diag,
TP_PROTO(struct ath10k *ar, const void *data, size_t len),
TP_ARGS(ar, data, len),
TP_STRUCT__entry(
__string(device, dev_name(ar->dev))
__string(driver, dev_driver_string(ar->dev))
__field(u16, len)
__dynamic_array(u8, data, len)
),
TP_fast_assign(
__assign_str(device, dev_name(ar->dev));
__assign_str(driver, dev_driver_string(ar->dev));
__entry->len = len;
memcpy(__get_dynamic_array(data), data, len);
),
TP_printk(
"%s %s tlv diag len %d",
__get_str(driver),
__get_str(device),
__entry->len
)
);
#endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
/* we don't want to use include/trace/events */

31
drivers/net/wireless/ath/ath10k/wmi-tlv.c
View File

@ -268,6 +268,34 @@ static int ath10k_wmi_tlv_event_diag_data(struct ath10k *ar,
return 0;
}
static int ath10k_wmi_tlv_event_diag(struct ath10k *ar,
struct sk_buff *skb)
{
const void **tb;
const void *data;
int ret, len;
tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
if (IS_ERR(tb)) {
ret = PTR_ERR(tb);
ath10k_warn(ar, "failed to parse tlv: %d\n", ret);
return ret;
}
data = tb[WMI_TLV_TAG_ARRAY_BYTE];
if (!data) {
kfree(tb);
return -EPROTO;
}
len = ath10k_wmi_tlv_len(data);
ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv diag event len %d\n", len);
trace_ath10k_wmi_diag(ar, data, len);
kfree(tb);
return 0;
}
/***********/
/* TLV ops */
/***********/
@ -386,6 +414,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
case WMI_TLV_DIAG_DATA_CONTAINER_EVENTID:
ath10k_wmi_tlv_event_diag_data(ar, skb);
break;
case WMI_TLV_DIAG_EVENTID:
ath10k_wmi_tlv_event_diag(ar, skb);
break;
default:
ath10k_warn(ar, "Unknown eventid: %d\n", id);
break;