cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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trace-data.h (1938B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Copyright(c) 2021        Intel Corporation
      4 */
      5
      6#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING)
      7
      8#define trace_iwlmei_sap_data(...)
      9
     10#else
     11
     12#if !defined(__IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA) || defined(TRACE_HEADER_MULTI_READ)
     13
     14#ifndef __IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA
     15enum iwl_sap_data_trace_type {
     16	IWL_SAP_RX_DATA_TO_AIR,
     17	IWL_SAP_TX_DATA_FROM_AIR,
     18	IWL_SAP_RX_DATA_DROPPED_FROM_AIR,
     19	IWL_SAP_TX_DHCP,
     20};
     21
     22static inline size_t
     23iwlmei_sap_data_offset(enum iwl_sap_data_trace_type trace_type)
     24{
     25	switch (trace_type) {
     26	case IWL_SAP_RX_DATA_TO_AIR:
     27		return 0;
     28	case IWL_SAP_TX_DATA_FROM_AIR:
     29	case IWL_SAP_RX_DATA_DROPPED_FROM_AIR:
     30		return sizeof(struct iwl_sap_hdr);
     31	case IWL_SAP_TX_DHCP:
     32		return sizeof(struct iwl_sap_cb_data);
     33	default:
     34		WARN_ON_ONCE(1);
     35	}
     36
     37	return 0;
     38}
     39#endif
     40
     41#define __IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA
     42
     43#include <linux/tracepoint.h>
     44#include <linux/skbuff.h>
     45#include "sap.h"
     46
     47#undef TRACE_SYSTEM
     48#define TRACE_SYSTEM iwlmei_sap_data
     49
     50TRACE_EVENT(iwlmei_sap_data,
     51	TP_PROTO(const struct sk_buff *skb,
     52		 enum iwl_sap_data_trace_type trace_type),
     53	TP_ARGS(skb, trace_type),
     54	TP_STRUCT__entry(
     55		__dynamic_array(u8, data,
     56				skb->len - iwlmei_sap_data_offset(trace_type))
     57		__field(u32, trace_type)
     58	),
     59	TP_fast_assign(
     60		size_t offset = iwlmei_sap_data_offset(trace_type);
     61		__entry->trace_type = trace_type;
     62		skb_copy_bits(skb, offset, __get_dynamic_array(data),
     63			      skb->len - offset);
     64	),
     65	TP_printk("sap_data:trace_type %d len %d",
     66		  __entry->trace_type, __get_dynamic_array_len(data))
     67);
     68
     69/*
     70 * If you add something here, add a stub in case
     71 * !defined(CONFIG_IWLWIFI_DEVICE_TRACING)
     72 */
     73
     74#endif /* __IWLWIFI_DEVICE_TRACE_IWLWIFI_SAP_DATA */
     75
     76#undef TRACE_INCLUDE_PATH
     77#define TRACE_INCLUDE_PATH .
     78#undef TRACE_INCLUDE_FILE
     79#define TRACE_INCLUDE_FILE trace-data
     80#include <trace/define_trace.h>
     81
     82#endif /* CONFIG_IWLWIFI_DEVICE_TRACING */