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-rw-r--r--drivers/net/wireless/realtek/rtw89/core.h2
-rw-r--r--drivers/net/wireless/realtek/rtw89/debug.c62
-rw-r--r--drivers/net/wireless/realtek/rtw89/mac.c8
-rw-r--r--drivers/net/wireless/realtek/rtw89/mac.h3
-rw-r--r--drivers/net/wireless/realtek/rtw89/ser.c2
5 files changed, 61 insertions, 16 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 70d5a10c1a9a..6e54a00d55b6 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -2894,7 +2894,7 @@ enum rtw89_flags {
RTW89_FLAG_LEISURE_PS,
RTW89_FLAG_LOW_POWER_MODE,
RTW89_FLAG_INACTIVE_PS,
- RTW89_FLAG_RESTART_TRIGGER,
+ RTW89_FLAG_CRASH_SIMULATING,
NUM_OF_RTW89_FLAGS,
};
diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index eed28c3b440f..730e83d54257 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -2190,6 +2190,37 @@ out:
return count;
}
+static int rtw89_dbg_trigger_ctrl_error(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_cpuio_ctrl ctrl_para = {0};
+ u16 pkt_id;
+
+ rtw89_leave_ps_mode(rtwdev);
+
+ pkt_id = rtw89_mac_dle_buf_req(rtwdev, 0x20, true);
+ switch (pkt_id) {
+ case 0xffff:
+ return -ETIMEDOUT;
+ case 0xfff:
+ return -ENOMEM;
+ default:
+ break;
+ }
+
+ /* intentionally, enqueue two pkt, but has only one pkt id */
+ ctrl_para.cmd_type = CPUIO_OP_CMD_ENQ_TO_HEAD;
+ ctrl_para.start_pktid = pkt_id;
+ ctrl_para.end_pktid = pkt_id;
+ ctrl_para.pkt_num = 1; /* start from 0 */
+ ctrl_para.dst_pid = WDE_DLE_PORT_ID_WDRLS;
+ ctrl_para.dst_qid = WDE_DLE_QUEID_NO_REPORT;
+
+ if (rtw89_mac_set_cpuio(rtwdev, &ctrl_para, true))
+ return -EFAULT;
+
+ return 0;
+}
+
static int
rtw89_debug_priv_fw_crash_get(struct seq_file *m, void *v)
{
@@ -2197,10 +2228,15 @@ rtw89_debug_priv_fw_crash_get(struct seq_file *m, void *v)
struct rtw89_dev *rtwdev = debugfs_priv->rtwdev;
seq_printf(m, "%d\n",
- test_bit(RTW89_FLAG_RESTART_TRIGGER, rtwdev->flags));
+ test_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags));
return 0;
}
+enum rtw89_dbg_crash_simulation_type {
+ RTW89_DBG_SIM_CPU_EXCEPTION = 1,
+ RTW89_DBG_SIM_CTRL_ERROR = 2,
+};
+
static ssize_t
rtw89_debug_priv_fw_crash_set(struct file *filp, const char __user *user_buf,
size_t count, loff_t *loff)
@@ -2208,22 +2244,30 @@ rtw89_debug_priv_fw_crash_set(struct file *filp, const char __user *user_buf,
struct seq_file *m = (struct seq_file *)filp->private_data;
struct rtw89_debugfs_priv *debugfs_priv = m->private;
struct rtw89_dev *rtwdev = debugfs_priv->rtwdev;
- bool fw_crash;
+ int (*sim)(struct rtw89_dev *rtwdev);
+ u8 crash_type;
int ret;
- if (!RTW89_CHK_FW_FEATURE(CRASH_TRIGGER, &rtwdev->fw))
- return -EOPNOTSUPP;
-
- ret = kstrtobool_from_user(user_buf, count, &fw_crash);
+ ret = kstrtou8_from_user(user_buf, count, 0, &crash_type);
if (ret)
return -EINVAL;
- if (!fw_crash)
+ switch (crash_type) {
+ case RTW89_DBG_SIM_CPU_EXCEPTION:
+ if (!RTW89_CHK_FW_FEATURE(CRASH_TRIGGER, &rtwdev->fw))
+ return -EOPNOTSUPP;
+ sim = rtw89_fw_h2c_trigger_cpu_exception;
+ break;
+ case RTW89_DBG_SIM_CTRL_ERROR:
+ sim = rtw89_dbg_trigger_ctrl_error;
+ break;
+ default:
return -EINVAL;
+ }
mutex_lock(&rtwdev->mutex);
- set_bit(RTW89_FLAG_RESTART_TRIGGER, rtwdev->flags);
- ret = rtw89_fw_h2c_trigger_cpu_exception(rtwdev);
+ set_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags);
+ ret = sim(rtwdev);
mutex_unlock(&rtwdev->mutex);
if (ret)
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index d2d002d61e97..d126fa963e66 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -2487,8 +2487,7 @@ int rtw89_mac_resume_sch_tx_v1(struct rtw89_dev *rtwdev, u8 mac_idx, u32 tx_en)
}
EXPORT_SYMBOL(rtw89_mac_resume_sch_tx_v1);
-static u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len,
- bool wd)
+u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len, bool wd)
{
u32 val, reg;
int ret;
@@ -2508,9 +2507,8 @@ static u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len,
return FIELD_GET(B_AX_WD_BUF_STAT_PKTID_MASK, val);
}
-static int rtw89_mac_set_cpuio(struct rtw89_dev *rtwdev,
- struct rtw89_cpuio_ctrl *ctrl_para,
- bool wd)
+int rtw89_mac_set_cpuio(struct rtw89_dev *rtwdev,
+ struct rtw89_cpuio_ctrl *ctrl_para, bool wd)
{
u32 val, cmd_type, reg;
int ret;
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index 9d8574714b05..22db80716b56 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -1004,5 +1004,8 @@ enum rtw89_mac_xtal_si_offset {
int rtw89_mac_write_xtal_si(struct rtw89_dev *rtwdev, u8 offset, u8 val, u8 mask);
int rtw89_mac_read_xtal_si(struct rtw89_dev *rtwdev, u8 offset, u8 *val);
void rtw89_mac_pkt_drop_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);
+u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len, bool wd);
+int rtw89_mac_set_cpuio(struct rtw89_dev *rtwdev,
+ struct rtw89_cpuio_ctrl *ctrl_para, bool wd);
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/ser.c b/drivers/net/wireless/realtek/rtw89/ser.c
index 1b01ff0402fb..c1a4bc1c64d1 100644
--- a/drivers/net/wireless/realtek/rtw89/ser.c
+++ b/drivers/net/wireless/realtek/rtw89/ser.c
@@ -396,6 +396,7 @@ static void ser_idle_st_hdl(struct rtw89_ser *ser, u8 evt)
switch (evt) {
case SER_EV_STATE_IN:
rtw89_hci_recovery_complete(rtwdev);
+ clear_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags);
break;
case SER_EV_L1_RESET:
ser_state_goto(ser, SER_RESET_TRX_ST);
@@ -632,7 +633,6 @@ static void ser_l2_reset_st_hdl(struct rtw89_ser *ser, u8 evt)
fallthrough;
case SER_EV_L2_RECFG_DONE:
ser_state_goto(ser, SER_IDLE_ST);
- clear_bit(RTW89_FLAG_RESTART_TRIGGER, rtwdev->flags);
break;
case SER_EV_STATE_OUT:
generated by cgit (git 2.34.1) at 2025-05-30 09:11:54 +0000