1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mei/trace-data.h b/drivers/net/wireless/intel/iwlwifi/mei/trace-data.h
new file mode 100644
index 000000000000..83639c6225ca
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mei/trace-data.h
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright(c) 2021        Intel Corporation
+ */
+
+#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING)
+
+#define trace_iwlmei_sap_data(...)
+
+#else
+
+#if !defined(__IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA) || defined(TRACE_HEADER_MULTI_READ)
+
+#ifndef __IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA
+enum iwl_sap_data_trace_type {
+	IWL_SAP_RX_DATA_TO_AIR,
+	IWL_SAP_TX_DATA_FROM_AIR,
+	IWL_SAP_RX_DATA_DROPPED_FROM_AIR,
+	IWL_SAP_TX_DHCP,
+};
+
+static inline size_t
+iwlmei_sap_data_offset(enum iwl_sap_data_trace_type trace_type)
+{
+	switch (trace_type) {
+	case IWL_SAP_RX_DATA_TO_AIR:
+		return 0;
+	case IWL_SAP_TX_DATA_FROM_AIR:
+	case IWL_SAP_RX_DATA_DROPPED_FROM_AIR:
+		return sizeof(struct iwl_sap_hdr);
+	case IWL_SAP_TX_DHCP:
+		return sizeof(struct iwl_sap_cb_data);
+	default:
+		WARN_ON_ONCE(1);
+	}
+
+	return 0;
+}
+#endif
+
+#define __IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA
+
+#include <linux/tracepoint.h>
+#include <linux/skbuff.h>
+#include "sap.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlmei_sap_data
+
+TRACE_EVENT(iwlmei_sap_data,
+	TP_PROTO(const struct sk_buff *skb,
+		 enum iwl_sap_data_trace_type trace_type),
+	TP_ARGS(skb, trace_type),
+	TP_STRUCT__entry(
+		__dynamic_array(u8, data,
+				skb->len - iwlmei_sap_data_offset(trace_type))
+		__field(u32, trace_type)
+	),
+	TP_fast_assign(
+		size_t offset = iwlmei_sap_data_offset(trace_type);
+		__entry->trace_type = trace_type;
+		skb_copy_bits(skb, offset, __get_dynamic_array(data),
+			      skb->len - offset);
+	),
+	TP_printk("sap_data:trace_type %d len %d",
+		  __entry->trace_type, __get_dynamic_array_len(data))
+);
+
+/*
+ * If you add something here, add a stub in case
+ * !defined(CONFIG_IWLWIFI_DEVICE_TRACING)
+ */
+
+#endif /* __IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace-data
+#include <trace/define_trace.h>
+
+#endif /* CONFIG_IWLWIFI_DEVICE_TRACING */