diff options
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/e1000e_trace.h | 42 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 4 |
3 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/Makefile b/drivers/net/ethernet/intel/e1000e/Makefile index 44e58b6e7660..0baa15503c38 100644 --- a/drivers/net/ethernet/intel/e1000e/Makefile +++ b/drivers/net/ethernet/intel/e1000e/Makefile @@ -5,6 +5,9 @@ # Makefile for the Intel(R) PRO/1000 ethernet driver # +ccflags-y += -I$(src) +subdir-ccflags-y += -I$(src) + obj-$(CONFIG_E1000E) += e1000e.o e1000e-objs := 82571.o ich8lan.o 80003es2lan.o \ diff --git a/drivers/net/ethernet/intel/e1000e/e1000e_trace.h b/drivers/net/ethernet/intel/e1000e/e1000e_trace.h new file mode 100644 index 000000000000..19d3cf4d924e --- /dev/null +++ b/drivers/net/ethernet/intel/e1000e/e1000e_trace.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2022, Intel Corporation. */ +/* Modeled on trace-events-sample.h */ +/* The trace subsystem name for e1000e will be "e1000e_trace". + * + * This file is named e1000e_trace.h. + * + * Since this include file's name is different from the trace + * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end + * of this file. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM e1000e_trace + +#if !defined(_TRACE_E1000E_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_E1000E_TRACE_H + +#include <linux/tracepoint.h> + +TRACE_EVENT(e1000e_trace_mac_register, + TP_PROTO(uint32_t reg), + TP_ARGS(reg), + TP_STRUCT__entry(__field(uint32_t, reg)), + TP_fast_assign(__entry->reg = reg;), + TP_printk("event: TraceHub e1000e mac register: 0x%08x", + __entry->reg) +); + +#endif +/* This must be outside ifdef _E1000E_TRACE_H */ +/* This trace include file is not located in the .../include/trace + * with the kernel tracepoint definitions, because we're a loadable + * module. + */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE e1000e_trace + +#include <trace/define_trace.h> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index edc8aa9822ee..f0e015673f48 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -28,6 +28,8 @@ #include <linux/suspend.h> #include "e1000.h" +#define CREATE_TRACE_POINTS +#include "e1000e_trace.h" char e1000e_driver_name[] = "e1000e"; @@ -6351,6 +6353,7 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter) mac_data = er32(H2ME); mac_data |= E1000_H2ME_START_DPG; mac_data &= ~E1000_H2ME_EXIT_DPG; + trace_e1000e_trace_mac_register(mac_data); ew32(H2ME, mac_data); } else { /* Request driver configure the device to S0ix */ @@ -6505,6 +6508,7 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) mac_data = er32(H2ME); mac_data &= ~E1000_H2ME_START_DPG; mac_data |= E1000_H2ME_EXIT_DPG; + trace_e1000e_trace_mac_register(mac_data); ew32(H2ME, mac_data); /* Poll up to 2.5 seconds for ME to unconfigure DPG. |