diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/debug.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/debug.c | 125 |
1 files changed, 124 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c index afdfb9647fc1..3dc7981c510f 100644 --- a/drivers/net/wireless/realtek/rtw89/debug.c +++ b/drivers/net/wireless/realtek/rtw89/debug.c @@ -86,6 +86,7 @@ struct rtw89_debugfs { struct rtw89_debugfs_priv stations; struct rtw89_debugfs_priv disable_dm; struct rtw89_debugfs_priv mlo_mode; + struct rtw89_debugfs_priv beacon_info; }; struct rtw89_debugfs_iter_data { @@ -3562,6 +3563,58 @@ static int rtw89_dbg_trigger_ctrl_error(struct rtw89_dev *rtwdev) return 0; } +static int rtw89_dbg_trigger_mac_error_ax(struct rtw89_dev *rtwdev) +{ + u16 val16; + u8 val8; + int ret; + + ret = rtw89_mac_check_mac_en(rtwdev, RTW89_MAC_0, RTW89_CMAC_SEL); + if (ret) + return ret; + + val8 = rtw89_read8(rtwdev, R_AX_CMAC_FUNC_EN); + rtw89_write8(rtwdev, R_AX_CMAC_FUNC_EN, val8 & ~B_AX_TMAC_EN); + mdelay(1); + rtw89_write8(rtwdev, R_AX_CMAC_FUNC_EN, val8); + + val16 = rtw89_read16(rtwdev, R_AX_PTCL_IMR0); + rtw89_write16(rtwdev, R_AX_PTCL_IMR0, val16 | B_AX_F2PCMD_EMPTY_ERR_INT_EN); + rtw89_write16(rtwdev, R_AX_PTCL_IMR0, val16); + + return 0; +} + +static int rtw89_dbg_trigger_mac_error_be(struct rtw89_dev *rtwdev) +{ + int ret; + + ret = rtw89_mac_check_mac_en(rtwdev, RTW89_MAC_0, RTW89_CMAC_SEL); + if (ret) + return ret; + + rtw89_write32_set(rtwdev, R_BE_CMAC_FW_TRIGGER_IDCT_ISR, + B_BE_CMAC_FW_TRIG_IDCT | B_BE_CMAC_FW_ERR_IDCT_IMR); + + return 0; +} + +static int rtw89_dbg_trigger_mac_error(struct rtw89_dev *rtwdev) +{ + const struct rtw89_chip_info *chip = rtwdev->chip; + + rtw89_leave_ps_mode(rtwdev); + + switch (chip->chip_gen) { + case RTW89_CHIP_AX: + return rtw89_dbg_trigger_mac_error_ax(rtwdev); + case RTW89_CHIP_BE: + return rtw89_dbg_trigger_mac_error_be(rtwdev); + default: + return -EOPNOTSUPP; + } +} + static ssize_t rtw89_debug_priv_fw_crash_get(struct rtw89_dev *rtwdev, struct rtw89_debugfs_priv *debugfs_priv, @@ -3577,6 +3630,7 @@ rtw89_debug_priv_fw_crash_get(struct rtw89_dev *rtwdev, enum rtw89_dbg_crash_simulation_type { RTW89_DBG_SIM_CPU_EXCEPTION = 1, RTW89_DBG_SIM_CTRL_ERROR = 2, + RTW89_DBG_SIM_MAC_ERROR = 3, }; static ssize_t @@ -3585,6 +3639,7 @@ rtw89_debug_priv_fw_crash_set(struct rtw89_dev *rtwdev, const char *buf, size_t count) { int (*sim)(struct rtw89_dev *rtwdev); + bool announce = true; u8 crash_type; int ret; @@ -3603,11 +3658,19 @@ rtw89_debug_priv_fw_crash_set(struct rtw89_dev *rtwdev, case RTW89_DBG_SIM_CTRL_ERROR: sim = rtw89_dbg_trigger_ctrl_error; break; + case RTW89_DBG_SIM_MAC_ERROR: + sim = rtw89_dbg_trigger_mac_error; + + /* Driver SER flow won't get involved; only FW will. */ + announce = false; + break; default: return -EINVAL; } - set_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags); + if (announce) + set_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags); + ret = sim(rtwdev); if (ret) @@ -4298,6 +4361,64 @@ rtw89_debug_priv_mlo_mode_set(struct rtw89_dev *rtwdev, return count; } +static ssize_t +rtw89_debug_priv_beacon_info_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) +{ + struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.last_pkt_stat; + struct rtw89_beacon_track_info *bcn_track = &rtwdev->bcn_track; + struct rtw89_beacon_stat *bcn_stat = &rtwdev->phystat.bcn_stat; + struct rtw89_beacon_dist *bcn_dist = &bcn_stat->bcn_dist; + u16 upper, lower = bcn_stat->tbtt_tu_min; + char *p = buf, *end = buf + bufsz; + u16 *drift = bcn_stat->drift; + u8 bcn_num = bcn_stat->num; + u8 count; + u8 i; + + p += scnprintf(p, end - p, "[Beacon info]\n"); + p += scnprintf(p, end - p, "count: %u\n", pkt_stat->beacon_nr); + p += scnprintf(p, end - p, "interval: %u\n", bcn_track->beacon_int); + p += scnprintf(p, end - p, "dtim: %u\n", bcn_track->dtim); + p += scnprintf(p, end - p, "raw rssi: %lu\n", + ewma_rssi_read(&rtwdev->phystat.bcn_rssi)); + p += scnprintf(p, end - p, "hw rate: %u\n", pkt_stat->beacon_rate); + p += scnprintf(p, end - p, "length: %u\n", pkt_stat->beacon_len); + + p += scnprintf(p, end - p, "\n[Distribution]\n"); + p += scnprintf(p, end - p, "tbtt\n"); + for (i = 0; i < RTW89_BCN_TRACK_MAX_BIN_NUM; i++) { + upper = lower + RTW89_BCN_TRACK_BIN_WIDTH - 1; + if (i == RTW89_BCN_TRACK_MAX_BIN_NUM - 1) + upper = max(upper, bcn_stat->tbtt_tu_max); + + p += scnprintf(p, end - p, "%02u - %02u: %u\n", + lower, upper, bcn_dist->bins[i]); + + lower = upper + 1; + } + + p += scnprintf(p, end - p, "\ndrift\n"); + + for (i = 0; i < bcn_num; i += count) { + count = 1; + while (i + count < bcn_num && drift[i] == drift[i + count]) + count++; + + p += scnprintf(p, end - p, "%u: %u\n", drift[i], count); + } + p += scnprintf(p, end - p, "\nlower bound: %u\n", bcn_dist->lower_bound); + p += scnprintf(p, end - p, "upper bound: %u\n", bcn_dist->upper_bound); + p += scnprintf(p, end - p, "outlier count: %u\n", bcn_dist->outlier_count); + + p += scnprintf(p, end - p, "\n[Tracking]\n"); + p += scnprintf(p, end - p, "tbtt offset: %u\n", bcn_track->tbtt_offset); + p += scnprintf(p, end - p, "bcn timeout: %u\n", bcn_track->bcn_timeout); + + return p - buf; +} + #define rtw89_debug_priv_get(name, opts...) \ { \ .cb_read = rtw89_debug_priv_ ##name## _get, \ @@ -4356,6 +4477,7 @@ static const struct rtw89_debugfs rtw89_debugfs_templ = { .stations = rtw89_debug_priv_get(stations, RLOCK), .disable_dm = rtw89_debug_priv_set_and_get(disable_dm, RWLOCK), .mlo_mode = rtw89_debug_priv_set_and_get(mlo_mode, RWLOCK), + .beacon_info = rtw89_debug_priv_get(beacon_info), }; #define rtw89_debugfs_add(name, mode, fopname, parent) \ @@ -4401,6 +4523,7 @@ void rtw89_debugfs_add_sec1(struct rtw89_dev *rtwdev, struct dentry *debugfs_top rtw89_debugfs_add_r(stations); rtw89_debugfs_add_rw(disable_dm); rtw89_debugfs_add_rw(mlo_mode); + rtw89_debugfs_add_r(beacon_info); } void rtw89_debugfs_init(struct rtw89_dev *rtwdev) |