Commit 2afd17b4 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau

mt76: mt7921: introduce MCU_EVENT_LP_INFO event parsing

Report trace event related to MCU_EVENT_LP_INFO that is sent by the mcu
when it is ready to enter in deep sleep state
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 66978204
...@@ -2,4 +2,6 @@ ...@@ -2,4 +2,6 @@
obj-$(CONFIG_MT7921E) += mt7921e.o obj-$(CONFIG_MT7921E) += mt7921e.o
mt7921e-y := pci.o mac.o mcu.o dma.o eeprom.o main.o init.o debugfs.o CFLAGS_trace.o := -I$(src)
mt7921e-y := pci.o mac.o mcu.o dma.o eeprom.o main.o init.o debugfs.o trace.o
...@@ -4,6 +4,7 @@ ...@@ -4,6 +4,7 @@
#include <linux/firmware.h> #include <linux/firmware.h>
#include <linux/fs.h> #include <linux/fs.h>
#include "mt7921.h" #include "mt7921.h"
#include "mt7921_trace.h"
#include "mcu.h" #include "mcu.h"
#include "mac.h" #include "mac.h"
...@@ -498,6 +499,20 @@ mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb) ...@@ -498,6 +499,20 @@ mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb)
} }
} }
static void
mt7921_mcu_low_power_event(struct mt7921_dev *dev, struct sk_buff *skb)
{
struct mt7921_mcu_lp_event {
u8 state;
u8 reserved[3];
} __packed * event;
skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
event = (struct mt7921_mcu_lp_event *)skb->data;
trace_lp_event(dev, event->state);
}
static void static void
mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
{ {
...@@ -521,6 +536,9 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) ...@@ -521,6 +536,9 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
mt76_connac_mcu_coredump_event(&dev->mt76, skb, mt76_connac_mcu_coredump_event(&dev->mt76, skb,
&dev->coredump); &dev->coredump);
return; return;
case MCU_EVENT_LP_INFO:
mt7921_mcu_low_power_event(dev, skb);
break;
default: default:
break; break;
} }
...@@ -543,6 +561,7 @@ void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) ...@@ -543,6 +561,7 @@ void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb)
rxd->eid == MCU_EVENT_SCAN_DONE || rxd->eid == MCU_EVENT_SCAN_DONE ||
rxd->eid == MCU_EVENT_DBG_MSG || rxd->eid == MCU_EVENT_DBG_MSG ||
rxd->eid == MCU_EVENT_COREDUMP || rxd->eid == MCU_EVENT_COREDUMP ||
rxd->eid == MCU_EVENT_LP_INFO ||
!rxd->seq) !rxd->seq)
mt7921_mcu_rx_unsolicited_event(dev, skb); mt7921_mcu_rx_unsolicited_event(dev, skb);
else else
......
...@@ -79,6 +79,7 @@ struct mt7921_uni_txd { ...@@ -79,6 +79,7 @@ struct mt7921_uni_txd {
/* event table */ /* event table */
enum { enum {
MCU_EVENT_REG_ACCESS = 0x05, MCU_EVENT_REG_ACCESS = 0x05,
MCU_EVENT_LP_INFO = 0x07,
MCU_EVENT_SCAN_DONE = 0x0d, MCU_EVENT_SCAN_DONE = 0x0d,
MCU_EVENT_BSS_ABSENCE = 0x11, MCU_EVENT_BSS_ABSENCE = 0x11,
MCU_EVENT_BSS_BEACON_LOSS = 0x13, MCU_EVENT_BSS_BEACON_LOSS = 0x13,
......
/* SPDX-License-Identifier: ISC */
/*
* Copyright (C) 2021 Lorenzo Bianconi <lorenzo@kernel.org>
*/
#if !defined(__MT7921_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __MT7921_TRACE_H
#include <linux/tracepoint.h>
#include "mt7921.h"
#undef TRACE_SYSTEM
#define TRACE_SYSTEM mt7921
#define MAXNAME 32
#define DEV_ENTRY __array(char, wiphy_name, 32)
#define DEV_ASSIGN strlcpy(__entry->wiphy_name, \
wiphy_name(mt76_hw(dev)->wiphy), MAXNAME)
#define DEV_PR_FMT "%s"
#define DEV_PR_ARG __entry->wiphy_name
#define LP_STATE_PR_ARG __entry->lp_state ? "lp ready" : "lp not ready"
TRACE_EVENT(lp_event,
TP_PROTO(struct mt7921_dev *dev, u8 lp_state),
TP_ARGS(dev, lp_state),
TP_STRUCT__entry(
DEV_ENTRY
__field(u8, lp_state)
),
TP_fast_assign(
DEV_ASSIGN;
__entry->lp_state = lp_state;
),
TP_printk(
DEV_PR_FMT " %s",
DEV_PR_ARG, LP_STATE_PR_ARG
)
);
#endif
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE mt7921_trace
#include <trace/define_trace.h>
// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2021 Lorenzo Bianconi <lorenzo@kernel.org>
*/
#include <linux/module.h>
#ifndef __CHECKER__
#define CREATE_TRACE_POINTS
#include "mt7921_trace.h"
#endif
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