From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 2293 ++++++++++++++++++++++ 1 file changed, 2293 insertions(+) create mode 100644 drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c new file mode 100644 index 000000000..7057421e5 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -0,0 +1,2293 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2012-2014, 2018-2023 Intel Corporation + * Copyright (C) 2013-2015 Intel Mobile Communications GmbH + * Copyright (C) 2016-2017 Intel Deutschland GmbH + */ +#include +#include +#include +#include +#include + +#include "mvm.h" +#include "sta.h" +#include "iwl-io.h" +#include "debugfs.h" +#include "iwl-modparams.h" +#include "iwl-drv.h" +#include "fw/error-dump.h" +#include "fw/api/phy-ctxt.h" + +static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[16]; + int pos, budget; + + if (!iwl_mvm_is_ctdp_supported(mvm)) + return -EOPNOTSUPP; + + if (!iwl_mvm_firmware_running(mvm) || + mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) + return -EIO; + + mutex_lock(&mvm->mutex); + budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0); + mutex_unlock(&mvm->mutex); + + if (budget < 0) + return budget; + + pos = scnprintf(buf, sizeof(buf), "%d\n", budget); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int ret; + + if (!iwl_mvm_is_ctdp_supported(mvm)) + return -EOPNOTSUPP; + + if (!iwl_mvm_firmware_running(mvm) || + mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) + return -EIO; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + if (!iwl_mvm_firmware_running(mvm) || + mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) + return -EIO; + + iwl_mvm_enter_ctkill(mvm); + + return count; +} + +static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int ret; + u32 flush_arg; + + if (!iwl_mvm_firmware_running(mvm) || + mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) + return -EIO; + + if (kstrtou32(buf, 0, &flush_arg)) + return -EINVAL; + + if (iwl_mvm_has_new_tx_api(mvm)) { + IWL_DEBUG_TX_QUEUES(mvm, + "FLUSHING all tids queues on sta_id = %d\n", + flush_arg); + mutex_lock(&mvm->mutex); + ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF) + ? : count; + mutex_unlock(&mvm->mutex); + return ret; + } + + IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n", + flush_arg); + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count; + mutex_unlock(&mvm->mutex); + + return ret; +} + +static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_sta *mvmsta; + int sta_id, drain, ret; + + if (!iwl_mvm_firmware_running(mvm) || + mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) + return -EIO; + + if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) + return -EINVAL; + if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations) + return -EINVAL; + if (drain < 0 || drain > 1) + return -EINVAL; + + mutex_lock(&mvm->mutex); + + mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); + + if (!mvmsta) + ret = -ENOENT; + else + ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; + + mutex_unlock(&mvm->mutex); + + return ret; +} + +static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + const struct fw_img *img; + unsigned int ofs, len; + size_t ret; + u8 *ptr; + + if (!iwl_mvm_firmware_running(mvm)) + return -EINVAL; + + /* default is to dump the entire data segment */ + img = &mvm->fw->img[mvm->fwrt.cur_fw_img]; + ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; + len = img->sec[IWL_UCODE_SECTION_DATA].len; + + if (mvm->dbgfs_sram_len) { + ofs = mvm->dbgfs_sram_offset; + len = mvm->dbgfs_sram_len; + } + + ptr = kzalloc(len, GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); + + ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); + + kfree(ptr); + + return ret; +} + +static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + const struct fw_img *img; + u32 offset, len; + u32 img_offset, img_len; + + if (!iwl_mvm_firmware_running(mvm)) + return -EINVAL; + + img = &mvm->fw->img[mvm->fwrt.cur_fw_img]; + img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; + img_len = img->sec[IWL_UCODE_SECTION_DATA].len; + + if (sscanf(buf, "%x,%x", &offset, &len) == 2) { + if ((offset & 0x3) || (len & 0x3)) + return -EINVAL; + + if (offset + len > img_offset + img_len) + return -EINVAL; + + mvm->dbgfs_sram_offset = offset; + mvm->dbgfs_sram_len = len; + } else { + mvm->dbgfs_sram_offset = 0; + mvm->dbgfs_sram_len = 0; + } + + return count; +} + +static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[16]; + int pos; + + if (!mvm->temperature_test) + pos = scnprintf(buf, sizeof(buf), "disabled\n"); + else + pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +/* + * Set NIC Temperature + * Cause the driver to ignore the actual NIC temperature reported by the FW + * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - + * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX + * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE + */ +static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + int temperature; + + if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test) + return -EIO; + + if (kstrtoint(buf, 10, &temperature)) + return -EINVAL; + /* not a legal temperature */ + if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && + temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || + temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) + return -EINVAL; + + mutex_lock(&mvm->mutex); + if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { + if (!mvm->temperature_test) + goto out; + + mvm->temperature_test = false; + /* Since we can't read the temp while awake, just set + * it to zero until we get the next RX stats from the + * firmware. + */ + mvm->temperature = 0; + } else { + mvm->temperature_test = true; + mvm->temperature = temperature; + } + IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", + mvm->temperature_test ? "En" : "Dis", + mvm->temperature); + /* handle the temperature change */ + iwl_mvm_tt_handler(mvm); + +out: + mutex_unlock(&mvm->mutex); + + return count; +} + +static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[16]; + int pos, ret; + s32 temp; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_get_temp(mvm, &temp); + mutex_unlock(&mvm->mutex); + + if (ret) + return -EIO; + + pos = scnprintf(buf, sizeof(buf), "%d\n", temp); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +#ifdef CONFIG_ACPI +static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[256]; + int pos = 0; + int bufsz = sizeof(buf); + int tbl_idx; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + mutex_lock(&mvm->mutex); + tbl_idx = iwl_mvm_get_sar_geo_profile(mvm); + if (tbl_idx < 0) { + mutex_unlock(&mvm->mutex); + return tbl_idx; + } + + if (!tbl_idx) { + pos = scnprintf(buf, bufsz, + "SAR geographic profile disabled\n"); + } else { + pos += scnprintf(buf + pos, bufsz - pos, + "Use geographic profile %d\n", tbl_idx); + pos += scnprintf(buf + pos, bufsz - pos, + "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n", + mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0], + mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1], + mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max); + pos += scnprintf(buf + pos, bufsz - pos, + "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n", + mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0], + mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1], + mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max); + } + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + int err, pos; + char buf[12]; + u32 value; + + err = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0, + DSM_FUNC_ENABLE_6E, + &iwl_guid, &value); + if (err) + return err; + + pos = sprintf(buf, "0x%08x\n", value); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} +#endif + +static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct ieee80211_sta *sta; + char buf[400]; + int i, pos = 0, bufsz = sizeof(buf); + + mutex_lock(&mvm->mutex); + + for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { + pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (!sta) + pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); + else if (IS_ERR(sta)) + pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", + PTR_ERR(sta)); + else + pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", + sta->addr); + } + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta, + struct iwl_mvm_sta *mvmsta, + struct iwl_mvm *mvm, + struct iwl_mvm_link_sta *mvm_link_sta, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw; + static const size_t bufsz = 2048; + char *buff; + int desc = 0; + ssize_t ret; + + buff = kmalloc(bufsz, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n", + lq_sta->pers.sta_id); + desc += scnprintf(buff + desc, bufsz - desc, + "fixed rate 0x%X\n", + lq_sta->pers.dbg_fixed_rate); + desc += scnprintf(buff + desc, bufsz - desc, + "A-MPDU size limit %d\n", + lq_sta->pers.dbg_agg_frame_count_lim); + desc += scnprintf(buff + desc, bufsz - desc, + "valid_tx_ant %s%s\n", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : ""); + desc += scnprintf(buff + desc, bufsz - desc, + "last tx rate=0x%X ", + lq_sta->last_rate_n_flags); + + desc += rs_pretty_print_rate(buff + desc, bufsz - desc, + lq_sta->last_rate_n_flags); + if (desc < bufsz - 1) + buff[desc++] = '\n'; + + ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); + kfree(buff); + return ret; +} + +static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta, + struct iwl_mvm_sta *mvmsta, + struct iwl_mvm *mvm, + struct iwl_mvm_link_sta *mvm_link_sta, + char *buf, size_t count, + loff_t *ppos) +{ + int i; + u16 amsdu_len; + + if (kstrtou16(buf, 0, &amsdu_len)) + return -EINVAL; + + /* only change from debug set <-> debug unset */ + if (amsdu_len && mvm_link_sta->orig_amsdu_len) + return -EBUSY; + + if (amsdu_len) { + mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len; + link_sta->agg.max_amsdu_len = amsdu_len; + link_sta->agg.max_amsdu_len = amsdu_len; + for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++) + link_sta->agg.max_tid_amsdu_len[i] = amsdu_len; + } else { + link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len; + mvm_link_sta->orig_amsdu_len = 0; + } + + ieee80211_sta_recalc_aggregates(link_sta->sta); + + return count; +} + +static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta, + struct iwl_mvm_sta *mvmsta, + struct iwl_mvm *mvm, + struct iwl_mvm_link_sta *mvm_link_sta, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + char buf[32]; + int pos; + + pos = scnprintf(buf, sizeof(buf), "current %d ", + link_sta->agg.max_amsdu_len); + pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n", + mvm_link_sta->orig_amsdu_len); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[64]; + int bufsz = sizeof(buf); + int pos = 0; + + pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", + mvm->disable_power_off); + pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", + mvm->disable_power_off_d3); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int ret, val; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + if (!strncmp("disable_power_off_d0=", buf, 21)) { + if (sscanf(buf + 21, "%d", &val) != 1) + return -EINVAL; + mvm->disable_power_off = val; + } else if (!strncmp("disable_power_off_d3=", buf, 21)) { + if (sscanf(buf + 21, "%d", &val) != 1) + return -EINVAL; + mvm->disable_power_off_d3 = val; + } else { + return -EINVAL; + } + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_power_update_device(mvm); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static +int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, + int pos, int bufsz) +{ + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); + + BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); + BT_MBOX_PRINT(0, LE_PROF1, false); + BT_MBOX_PRINT(0, LE_PROF2, false); + BT_MBOX_PRINT(0, LE_PROF_OTHER, false); + BT_MBOX_PRINT(0, CHL_SEQ_N, false); + BT_MBOX_PRINT(0, INBAND_S, false); + BT_MBOX_PRINT(0, LE_MIN_RSSI, false); + BT_MBOX_PRINT(0, LE_SCAN, false); + BT_MBOX_PRINT(0, LE_ADV, false); + BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); + BT_MBOX_PRINT(0, OPEN_CON_1, true); + + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); + + BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); + BT_MBOX_PRINT(1, IP_SR, false); + BT_MBOX_PRINT(1, LE_MSTR, false); + BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); + BT_MBOX_PRINT(1, MSG_TYPE, false); + BT_MBOX_PRINT(1, SSN, true); + + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); + + BT_MBOX_PRINT(2, SNIFF_ACT, false); + BT_MBOX_PRINT(2, PAG, false); + BT_MBOX_PRINT(2, INQUIRY, false); + BT_MBOX_PRINT(2, CONN, false); + BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); + BT_MBOX_PRINT(2, DISC, false); + BT_MBOX_PRINT(2, SCO_TX_ACT, false); + BT_MBOX_PRINT(2, SCO_RX_ACT, false); + BT_MBOX_PRINT(2, ESCO_RE_TX, false); + BT_MBOX_PRINT(2, SCO_DURATION, true); + + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); + + BT_MBOX_PRINT(3, SCO_STATE, false); + BT_MBOX_PRINT(3, SNIFF_STATE, false); + BT_MBOX_PRINT(3, A2DP_STATE, false); + BT_MBOX_PRINT(3, A2DP_SRC, false); + BT_MBOX_PRINT(3, ACL_STATE, false); + BT_MBOX_PRINT(3, MSTR_STATE, false); + BT_MBOX_PRINT(3, OBX_STATE, false); + BT_MBOX_PRINT(3, OPEN_CON_2, false); + BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); + BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); + BT_MBOX_PRINT(3, INBAND_P, false); + BT_MBOX_PRINT(3, MSG_TYPE_2, false); + BT_MBOX_PRINT(3, SSN_2, false); + BT_MBOX_PRINT(3, UPDATE_REQUEST, true); + + return pos; +} + +static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; + char *buf; + int ret, pos = 0, bufsz = sizeof(char) * 1024; + + buf = kmalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + + pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); + + pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n", + notif->bt_ci_compliance); + pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n", + le32_to_cpu(notif->primary_ch_lut)); + pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n", + le32_to_cpu(notif->secondary_ch_lut)); + pos += scnprintf(buf + pos, + bufsz - pos, "bt_activity_grading = %d\n", + le32_to_cpu(notif->bt_activity_grading)); + pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", + notif->rrc_status & 0xF); + pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", + notif->ttc_status & 0xF); + + pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", + IWL_MVM_BT_COEX_SYNC2SCO); + pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", + IWL_MVM_BT_COEX_MPLUT); + + mutex_unlock(&mvm->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + + return ret; +} +#undef BT_MBOX_PRINT + +static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; + char buf[256]; + int bufsz = sizeof(buf); + int pos = 0; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n"); + pos += scnprintf(buf + pos, bufsz - pos, + "\tPrimary Channel Bitmap 0x%016llx\n", + le64_to_cpu(cmd->bt_primary_ci)); + pos += scnprintf(buf + pos, bufsz - pos, + "\tSecondary Channel Bitmap 0x%016llx\n", + le64_to_cpu(cmd->bt_secondary_ci)); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t +iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + u32 bt_tx_prio; + + if (sscanf(buf, "%u", &bt_tx_prio) != 1) + return -EINVAL; + if (bt_tx_prio > 4) + return -EINVAL; + + mvm->bt_tx_prio = bt_tx_prio; + + return count; +} + +static ssize_t +iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + static const char * const modes_str[BT_FORCE_ANT_MAX] = { + [BT_FORCE_ANT_DIS] = "dis", + [BT_FORCE_ANT_AUTO] = "auto", + [BT_FORCE_ANT_BT] = "bt", + [BT_FORCE_ANT_WIFI] = "wifi", + }; + int ret, bt_force_ant_mode; + + ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf); + if (ret < 0) + return ret; + + bt_force_ant_mode = ret; + ret = 0; + mutex_lock(&mvm->mutex); + if (mvm->bt_force_ant_mode == bt_force_ant_mode) + goto out; + + mvm->bt_force_ant_mode = bt_force_ant_mode; + IWL_DEBUG_COEX(mvm, "Force mode: %s\n", + modes_str[mvm->bt_force_ant_mode]); + + if (iwl_mvm_firmware_running(mvm)) + ret = iwl_mvm_send_bt_init_conf(mvm); + else + ret = 0; + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char *buff, *pos, *endpos; + static const size_t bufsz = 1024; + char _fw_name_pre[FW_NAME_PRE_BUFSIZE]; + int ret; + + buff = kmalloc(bufsz, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + pos = buff; + endpos = pos + bufsz; + + pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n", + iwl_drv_get_fwname_pre(mvm->trans, _fw_name_pre)); + pos += scnprintf(pos, endpos - pos, "FW: %s\n", + mvm->fwrt.fw->human_readable); + pos += scnprintf(pos, endpos - pos, "Device: %s\n", + mvm->fwrt.trans->name); + pos += scnprintf(pos, endpos - pos, "Bus: %s\n", + mvm->fwrt.dev->bus->name); + + ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); + kfree(buff); + + return ret; +} + +static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct iwl_mvm_tas_status_resp tas_rsp; + struct iwl_mvm_tas_status_resp *rsp = &tas_rsp; + static const size_t bufsz = 1024; + char *buff, *pos, *endpos; + const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = { + [TAS_DISABLED_DUE_TO_BIOS] = + "Due To BIOS", + [TAS_DISABLED_DUE_TO_SAR_6DBM] = + "Due To SAR Limit Less Than 6 dBm", + [TAS_DISABLED_REASON_INVALID] = + "N/A", + }; + const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = { + [TAS_DYNA_INACTIVE] = "INACTIVE", + [TAS_DYNA_INACTIVE_MVM_MODE] = + "inactive due to mvm mode", + [TAS_DYNA_INACTIVE_TRIGGER_MODE] = + "inactive due to trigger mode", + [TAS_DYNA_INACTIVE_BLOCK_LISTED] = + "inactive due to block listed", + [TAS_DYNA_INACTIVE_UHB_NON_US] = + "inactive due to uhb non US", + [TAS_DYNA_ACTIVE] = "ACTIVE", + }; + struct iwl_host_cmd hcmd = { + .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS), + .flags = CMD_WANT_SKB, + .len = { 0, }, + .data = { NULL, }, + }; + int ret, i, tmp; + bool tas_enabled = false; + unsigned long dyn_status; + + if (!iwl_mvm_firmware_running(mvm)) + return -ENODEV; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd(mvm, &hcmd); + mutex_unlock(&mvm->mutex); + if (ret < 0) + return ret; + + buff = kzalloc(bufsz, GFP_KERNEL); + if (!buff) + return -ENOMEM; + pos = buff; + endpos = pos + bufsz; + + rsp = (void *)hcmd.resp_pkt->data; + + pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n"); + for (i = 0; i < rsp->in_dual_radio + 1; i++) { + if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID && + rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) { + pos += scnprintf(pos, endpos - pos, "\tON for "); + switch (rsp->tas_status_mac[i].band) { + case TAS_LMAC_BAND_HB: + pos += scnprintf(pos, endpos - pos, "HB\n"); + break; + case TAS_LMAC_BAND_LB: + pos += scnprintf(pos, endpos - pos, "LB\n"); + break; + case TAS_LMAC_BAND_UHB: + pos += scnprintf(pos, endpos - pos, "UHB\n"); + break; + case TAS_LMAC_BAND_INVALID: + pos += scnprintf(pos, endpos - pos, + "INVALID BAND\n"); + break; + default: + pos += scnprintf(pos, endpos - pos, + "Unsupported band (%d)\n", + rsp->tas_status_mac[i].band); + goto out; + } + tas_enabled = true; + } + } + if (!tas_enabled) + pos += scnprintf(pos, endpos - pos, "\tOFF\n"); + + pos += scnprintf(pos, endpos - pos, "TAS Report\n"); + pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n", + rsp->tas_fw_version); + pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n", + rsp->is_uhb_for_usa_enable ? "True" : "False"); + pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n", + le16_to_cpu(rsp->curr_mcc)); + + pos += scnprintf(pos, endpos - pos, "Block list entries:"); + for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++) + pos += scnprintf(pos, endpos - pos, " 0x%x", + le16_to_cpu(rsp->block_list[i])); + + pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n", + dmi_get_system_info(DMI_SYS_VENDOR)); + pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n", + iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO"); + pos += scnprintf(pos, endpos - pos, + "\tDo TAS Support Dual Radio?: %s\n", + rsp->in_dual_radio ? "TRUE" : "FALSE"); + + for (i = 0; i < rsp->in_dual_radio + 1; i++) { + if (rsp->tas_status_mac[i].static_status == 0) { + pos += scnprintf(pos, endpos - pos, + "Static status: disabled\n"); + pos += scnprintf(pos, endpos - pos, + "Static disabled reason: %s (0)\n", + tas_dis_reason[0]); + goto out; + } + + pos += scnprintf(pos, endpos - pos, "TAS status for "); + switch (rsp->tas_status_mac[i].band) { + case TAS_LMAC_BAND_HB: + pos += scnprintf(pos, endpos - pos, "High band\n"); + break; + case TAS_LMAC_BAND_LB: + pos += scnprintf(pos, endpos - pos, "Low band\n"); + break; + case TAS_LMAC_BAND_UHB: + pos += scnprintf(pos, endpos - pos, + "Ultra high band\n"); + break; + case TAS_LMAC_BAND_INVALID: + pos += scnprintf(pos, endpos - pos, + "INVALID band\n"); + break; + default: + pos += scnprintf(pos, endpos - pos, + "Unsupported band (%d)\n", + rsp->tas_status_mac[i].band); + goto out; + } + pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n", + rsp->tas_status_mac[i].static_status ? + "En" : "Dis"); + pos += scnprintf(pos, endpos - pos, + "\tStatic Disabled Reason: "); + if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX) + pos += scnprintf(pos, endpos - pos, "%s (%d)\n", + tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason], + rsp->tas_status_mac[i].static_dis_reason); + else + pos += scnprintf(pos, endpos - pos, + "unsupported value (%d)\n", + rsp->tas_status_mac[i].static_dis_reason); + + pos += scnprintf(pos, endpos - pos, "Dynamic status:\n"); + dyn_status = (rsp->tas_status_mac[i].dynamic_status); + for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) { + if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX) + pos += scnprintf(pos, endpos - pos, + "\t%s (%d)\n", + tas_current_status[tmp], tmp); + } + + pos += scnprintf(pos, endpos - pos, + "Is near disconnection?: %s\n", + rsp->tas_status_mac[i].near_disconnection ? + "True" : "False"); + tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit); + pos += scnprintf(pos, endpos - pos, + "Max. regulatory pwr limit (dBm): %d.%03d\n", + tmp / 8, 125 * (tmp % 8)); + tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit); + pos += scnprintf(pos, endpos - pos, + "SAR limit (dBm): %d.%03d\n", + tmp / 8, 125 * (tmp % 8)); + } + +out: + ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); + kfree(buff); + iwl_free_resp(&hcmd); + return ret; +} + +static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char *buf; + size_t bufsz; + int pos; + ssize_t ret; + + bufsz = mvm->fw->phy_integration_ver_len + 2; + buf = kmalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len, + mvm->fw->phy_integration_ver); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + + kfree(buf); + return ret; +} + +#define PRINT_STATS_LE32(_struct, _memb) \ + pos += scnprintf(buf + pos, bufsz - pos, \ + fmt_table, #_memb, \ + le32_to_cpu(_struct->_memb)) + +static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, + char __user *user_buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + static const char *fmt_table = "\t%-30s %10u\n"; + static const char *fmt_header = "%-32s\n"; + int pos = 0; + char *buf; + int ret; + size_t bufsz; + + if (iwl_mvm_has_new_rx_stats_api(mvm)) + bufsz = ((sizeof(struct mvm_statistics_rx) / + sizeof(__le32)) * 43) + (4 * 33) + 1; + else + /* 43 = size of each data line; 33 = size of each header */ + bufsz = ((sizeof(struct mvm_statistics_rx_v3) / + sizeof(__le32)) * 43) + (4 * 33) + 1; + + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + + if (iwl_mvm_firmware_running(mvm)) + iwl_mvm_request_statistics(mvm, false); + + pos += scnprintf(buf + pos, bufsz - pos, fmt_header, + "Statistics_Rx - OFDM"); + if (!iwl_mvm_has_new_rx_stats_api(mvm)) { + struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm; + + PRINT_STATS_LE32(ofdm, ina_cnt); + PRINT_STATS_LE32(ofdm, fina_cnt); + PRINT_STATS_LE32(ofdm, plcp_err); + PRINT_STATS_LE32(ofdm, crc32_err); + PRINT_STATS_LE32(ofdm, overrun_err); + PRINT_STATS_LE32(ofdm, early_overrun_err); + PRINT_STATS_LE32(ofdm, crc32_good); + PRINT_STATS_LE32(ofdm, false_alarm_cnt); + PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); + PRINT_STATS_LE32(ofdm, sfd_timeout); + PRINT_STATS_LE32(ofdm, fina_timeout); + PRINT_STATS_LE32(ofdm, unresponded_rts); + PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); + PRINT_STATS_LE32(ofdm, sent_ack_cnt); + PRINT_STATS_LE32(ofdm, sent_cts_cnt); + PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); + PRINT_STATS_LE32(ofdm, dsp_self_kill); + PRINT_STATS_LE32(ofdm, mh_format_err); + PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); + PRINT_STATS_LE32(ofdm, reserved); + } else { + struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm; + + PRINT_STATS_LE32(ofdm, unresponded_rts); + PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); + PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); + PRINT_STATS_LE32(ofdm, dsp_self_kill); + PRINT_STATS_LE32(ofdm, reserved); + } + + pos += scnprintf(buf + pos, bufsz - pos, fmt_header, + "Statistics_Rx - CCK"); + if (!iwl_mvm_has_new_rx_stats_api(mvm)) { + struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck; + + PRINT_STATS_LE32(cck, ina_cnt); + PRINT_STATS_LE32(cck, fina_cnt); + PRINT_STATS_LE32(cck, plcp_err); + PRINT_STATS_LE32(cck, crc32_err); + PRINT_STATS_LE32(cck, overrun_err); + PRINT_STATS_LE32(cck, early_overrun_err); + PRINT_STATS_LE32(cck, crc32_good); + PRINT_STATS_LE32(cck, false_alarm_cnt); + PRINT_STATS_LE32(cck, fina_sync_err_cnt); + PRINT_STATS_LE32(cck, sfd_timeout); + PRINT_STATS_LE32(cck, fina_timeout); + PRINT_STATS_LE32(cck, unresponded_rts); + PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); + PRINT_STATS_LE32(cck, sent_ack_cnt); + PRINT_STATS_LE32(cck, sent_cts_cnt); + PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); + PRINT_STATS_LE32(cck, dsp_self_kill); + PRINT_STATS_LE32(cck, mh_format_err); + PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); + PRINT_STATS_LE32(cck, reserved); + } else { + struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck; + + PRINT_STATS_LE32(cck, unresponded_rts); + PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); + PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); + PRINT_STATS_LE32(cck, dsp_self_kill); + PRINT_STATS_LE32(cck, reserved); + } + + pos += scnprintf(buf + pos, bufsz - pos, fmt_header, + "Statistics_Rx - GENERAL"); + if (!iwl_mvm_has_new_rx_stats_api(mvm)) { + struct mvm_statistics_rx_non_phy_v3 *general = + &mvm->rx_stats_v3.general; + + PRINT_STATS_LE32(general, bogus_cts); + PRINT_STATS_LE32(general, bogus_ack); + PRINT_STATS_LE32(general, non_bssid_frames); + PRINT_STATS_LE32(general, filtered_frames); + PRINT_STATS_LE32(general, non_channel_beacons); + PRINT_STATS_LE32(general, channel_beacons); + PRINT_STATS_LE32(general, num_missed_bcon); + PRINT_STATS_LE32(general, adc_rx_saturation_time); + PRINT_STATS_LE32(general, ina_detection_search_time); + PRINT_STATS_LE32(general, beacon_silence_rssi_a); + PRINT_STATS_LE32(general, beacon_silence_rssi_b); + PRINT_STATS_LE32(general, beacon_silence_rssi_c); + PRINT_STATS_LE32(general, interference_data_flag); + PRINT_STATS_LE32(general, channel_load); + PRINT_STATS_LE32(general, dsp_false_alarms); + PRINT_STATS_LE32(general, beacon_rssi_a); + PRINT_STATS_LE32(general, beacon_rssi_b); + PRINT_STATS_LE32(general, beacon_rssi_c); + PRINT_STATS_LE32(general, beacon_energy_a); + PRINT_STATS_LE32(general, beacon_energy_b); + PRINT_STATS_LE32(general, beacon_energy_c); + PRINT_STATS_LE32(general, num_bt_kills); + PRINT_STATS_LE32(general, mac_id); + PRINT_STATS_LE32(general, directed_data_mpdu); + } else { + struct mvm_statistics_rx_non_phy *general = + &mvm->rx_stats.general; + + PRINT_STATS_LE32(general, bogus_cts); + PRINT_STATS_LE32(general, bogus_ack); + PRINT_STATS_LE32(general, non_channel_beacons); + PRINT_STATS_LE32(general, channel_beacons); + PRINT_STATS_LE32(general, num_missed_bcon); + PRINT_STATS_LE32(general, adc_rx_saturation_time); + PRINT_STATS_LE32(general, ina_detection_search_time); + PRINT_STATS_LE32(general, beacon_silence_rssi_a); + PRINT_STATS_LE32(general, beacon_silence_rssi_b); + PRINT_STATS_LE32(general, beacon_silence_rssi_c); + PRINT_STATS_LE32(general, interference_data_flag); + PRINT_STATS_LE32(general, channel_load); + PRINT_STATS_LE32(general, beacon_rssi_a); + PRINT_STATS_LE32(general, beacon_rssi_b); + PRINT_STATS_LE32(general, beacon_rssi_c); + PRINT_STATS_LE32(general, beacon_energy_a); + PRINT_STATS_LE32(general, beacon_energy_b); + PRINT_STATS_LE32(general, beacon_energy_c); + PRINT_STATS_LE32(general, num_bt_kills); + PRINT_STATS_LE32(general, mac_id); + } + + pos += scnprintf(buf + pos, bufsz - pos, fmt_header, + "Statistics_Rx - HT"); + if (!iwl_mvm_has_new_rx_stats_api(mvm)) { + struct mvm_statistics_rx_ht_phy_v1 *ht = + &mvm->rx_stats_v3.ofdm_ht; + + PRINT_STATS_LE32(ht, plcp_err); + PRINT_STATS_LE32(ht, overrun_err); + PRINT_STATS_LE32(ht, early_overrun_err); + PRINT_STATS_LE32(ht, crc32_good); + PRINT_STATS_LE32(ht, crc32_err); + PRINT_STATS_LE32(ht, mh_format_err); + PRINT_STATS_LE32(ht, agg_crc32_good); + PRINT_STATS_LE32(ht, agg_mpdu_cnt); + PRINT_STATS_LE32(ht, agg_cnt); + PRINT_STATS_LE32(ht, unsupport_mcs); + } else { + struct mvm_statistics_rx_ht_phy *ht = + &mvm->rx_stats.ofdm_ht; + + PRINT_STATS_LE32(ht, mh_format_err); + PRINT_STATS_LE32(ht, agg_mpdu_cnt); + PRINT_STATS_LE32(ht, agg_cnt); + PRINT_STATS_LE32(ht, unsupport_mcs); + } + + mutex_unlock(&mvm->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + + return ret; +} +#undef PRINT_STAT_LE32 + +static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, + char __user *user_buf, size_t count, + loff_t *ppos, + struct iwl_mvm_frame_stats *stats) +{ + char *buff, *pos, *endpos; + int idx, i; + int ret; + static const size_t bufsz = 1024; + + buff = kmalloc(bufsz, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + spin_lock_bh(&mvm->drv_stats_lock); + + pos = buff; + endpos = pos + bufsz; + + pos += scnprintf(pos, endpos - pos, + "Legacy/HT/VHT\t:\t%d/%d/%d\n", + stats->legacy_frames, + stats->ht_frames, + stats->vht_frames); + pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", + stats->bw_20_frames, + stats->bw_40_frames, + stats->bw_80_frames); + pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", + stats->ngi_frames, + stats->sgi_frames); + pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", + stats->siso_frames, + stats->mimo2_frames); + pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", + stats->fail_frames, + stats->success_frames); + pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", + stats->agg_frames); + pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", + stats->ampdu_count); + pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", + stats->ampdu_count > 0 ? + (stats->agg_frames / stats->ampdu_count) : 0); + + pos += scnprintf(pos, endpos - pos, "Last Rates\n"); + + idx = stats->last_frame_idx - 1; + for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { + idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); + if (stats->last_rates[idx] == 0) + continue; + pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", + (int)(ARRAY_SIZE(stats->last_rates) - i)); + pos += rs_pretty_print_rate_v1(pos, endpos - pos, + stats->last_rates[idx]); + if (pos < endpos - 1) + *pos++ = '\n'; + } + spin_unlock_bh(&mvm->drv_stats_lock); + + ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); + kfree(buff); + + return ret; +} + +static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, + char __user *user_buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + + return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, + &mvm->drv_rx_stats); +} + +static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int __maybe_unused ret; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + mutex_lock(&mvm->mutex); + + /* allow one more restart that we're provoking here */ + if (mvm->fw_restart >= 0) + mvm->fw_restart++; + + if (count == 6 && !strcmp(buf, "nolog\n")) { + set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status); + set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status); + } + + /* take the return value to make compiler happy - it will fail anyway */ + ret = iwl_mvm_send_cmd_pdu(mvm, + WIDE_ID(LONG_GROUP, REPLY_ERROR), + 0, 0, NULL); + + mutex_unlock(&mvm->mutex); + + return count; +} + +static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + if (count == 6 && !strcmp(buf, "nolog\n")) + set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status); + + iwl_force_nmi(mvm->trans); + + return count; +} + +static ssize_t +iwl_dbgfs_scan_ant_rxchain_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + int pos = 0; + char buf[32]; + const size_t bufsz = sizeof(buf); + + /* print which antennas were set for the scan command by the user */ + pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); + if (mvm->scan_rx_ant & ANT_A) + pos += scnprintf(buf + pos, bufsz - pos, "A"); + if (mvm->scan_rx_ant & ANT_B) + pos += scnprintf(buf + pos, bufsz - pos, "B"); + pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t +iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + u8 scan_rx_ant; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) + return -EINVAL; + if (scan_rx_ant > ANT_ABC) + return -EINVAL; + if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) + return -EINVAL; + + if (mvm->scan_rx_ant != scan_rx_ant) { + mvm->scan_rx_ant = scan_rx_ant; + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_UMAC_SCAN)) + iwl_mvm_config_scan(mvm); + } + + return count; +} + +static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_rss_config_cmd cmd = { + .flags = cpu_to_le32(IWL_RSS_ENABLE), + .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | + IWL_RSS_HASH_TYPE_IPV4_UDP | + IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | + IWL_RSS_HASH_TYPE_IPV6_TCP | + IWL_RSS_HASH_TYPE_IPV6_UDP | + IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, + }; + int ret, i, num_repeats, nbytes = count / 2; + + ret = hex2bin(cmd.indirection_table, buf, nbytes); + if (ret) + return ret; + + /* + * The input is the redirection table, partial or full. + * Repeat the pattern if needed. + * For example, input of 01020F will be repeated 42 times, + * indirecting RSS hash results to queues 1, 2, 15 (skipping + * queues 3 - 14). + */ + num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; + for (i = 1; i < num_repeats; i++) + memcpy(&cmd.indirection_table[i * nbytes], + cmd.indirection_table, nbytes); + /* handle cut in the middle pattern for the last places */ + memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, + ARRAY_SIZE(cmd.indirection_table) % nbytes); + + netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); + + mutex_lock(&mvm->mutex); + if (iwl_mvm_firmware_running(mvm)) + ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, + sizeof(cmd), &cmd); + else + ret = 0; + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_op_mode *opmode = container_of((void *)mvm, + struct iwl_op_mode, + op_mode_specific); + struct iwl_rx_cmd_buffer rxb = { + ._rx_page_order = 0, + .truesize = 0, /* not used */ + ._offset = 0, + }; + struct iwl_rx_packet *pkt; + int bin_len = count / 2; + int ret = -EINVAL; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + /* supporting only MQ RX */ + if (!mvm->trans->trans_cfg->mq_rx_supported) + return -ENOTSUPP; + + rxb._page = alloc_pages(GFP_ATOMIC, 0); + if (!rxb._page) + return -ENOMEM; + pkt = rxb_addr(&rxb); + + ret = hex2bin(page_address(rxb._page), buf, bin_len); + if (ret) + goto out; + + /* avoid invalid memory access and malformed packet */ + if (bin_len < sizeof(*pkt) || + bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt)) + goto out; + + local_bh_disable(); + iwl_mvm_rx_mq(opmode, NULL, &rxb); + local_bh_enable(); + ret = 0; + +out: + iwl_free_rxb(&rxb); + + return ret ?: count; +} + +static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len) +{ + struct ieee80211_vif *vif; + struct iwl_mvm_vif *mvmvif; + struct sk_buff *beacon; + struct ieee80211_tx_info *info; + struct iwl_mac_beacon_cmd beacon_cmd = {}; + unsigned int link_id; + u8 rate; + int i; + + len /= 2; + + /* Element len should be represented by u8 */ + if (len >= U8_MAX) + return -EINVAL; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + if (!iwl_mvm_has_new_tx_api(mvm) && + !fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE)) + return -EINVAL; + + mutex_lock(&mvm->mutex); + + for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) { + vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false); + if (!vif) + continue; + + if (vif->type == NL80211_IFTYPE_AP) + break; + } + + if (i == NUM_MAC_INDEX_DRIVER || !vif) + goto out_err; + + mvm->hw->extra_beacon_tailroom = len; + + beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0); + if (!beacon) + goto out_err; + + if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) { + dev_kfree_skb(beacon); + goto out_err; + } + + mvm->beacon_inject_active = true; + + mvmvif = iwl_mvm_vif_from_mac80211(vif); + info = IEEE80211_SKB_CB(beacon); + rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif); + + for_each_mvm_vif_valid_link(mvmvif, link_id) { + beacon_cmd.flags = + cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, + rate)); + beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len); + if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12) + beacon_cmd.link_id = + cpu_to_le32(mvmvif->link[link_id]->fw_link_id); + else + beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id); + + iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx, + &beacon_cmd.tim_size, + beacon->data, beacon->len); + + iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd, + sizeof(beacon_cmd)); + } + mutex_unlock(&mvm->mutex); + + dev_kfree_skb(beacon); + + return 0; + +out_err: + mutex_unlock(&mvm->mutex); + return -EINVAL; +} + +static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count); + + mvm->hw->extra_beacon_tailroom = 0; + return ret ?: count; +} + +static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm, + char *buf, + size_t count, + loff_t *ppos) +{ + int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0); + + mvm->hw->extra_beacon_tailroom = 0; + mvm->beacon_inject_active = false; + return ret ?: count; +} + +static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + int conf; + char buf[8]; + const size_t bufsz = sizeof(buf); + int pos = 0; + + mutex_lock(&mvm->mutex); + conf = mvm->fwrt.dump.conf; + mutex_unlock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + unsigned int conf_id; + int ret; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + ret = kstrtouint(buf, 0, &conf_id); + if (ret) + return ret; + + if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) + return -EINVAL; + + mutex_lock(&mvm->mutex); + ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + if (count == 0) + return 0; + + iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, + NULL); + + iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, + (count - 1), NULL); + + return count; +} + +static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + u32 timepoint; + + if (kstrtou32(buf, 0, &timepoint)) + return -EINVAL; + + if (timepoint == IWL_FW_INI_TIME_POINT_INVALID || + timepoint >= IWL_FW_INI_TIME_POINT_NUM) + return -EINVAL; + + iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL); + + return count; +} + +#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ + _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) +#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ + _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) +#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ + debugfs_create_file(alias, mode, parent, mvm, \ + &iwl_dbgfs_##name##_ops); \ + } while (0) +#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ + MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) + +static ssize_t +_iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *, + struct iwl_mvm_sta *, + struct iwl_mvm *, + struct iwl_mvm_link_sta *, + char *, + size_t, loff_t *), + struct file *file, + char *buf, size_t buf_size, loff_t *ppos) +{ + struct ieee80211_link_sta *link_sta = file->private_data; + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta); + struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm; + struct iwl_mvm_link_sta *mvm_link_sta; + ssize_t ret; + + mutex_lock(&mvm->mutex); + + mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id], + lockdep_is_held(&mvm->mutex)); + if (WARN_ON(!mvm_link_sta)) { + mutex_unlock(&mvm->mutex); + return -ENODEV; + } + + ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos); + + mutex_unlock(&mvm->mutex); + + return ret; +} + +static ssize_t +_iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *, + struct iwl_mvm_sta *, + struct iwl_mvm *, + struct iwl_mvm_link_sta *, + char __user *, + size_t, loff_t *), + struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + struct ieee80211_link_sta *link_sta = file->private_data; + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta); + struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm; + struct iwl_mvm_link_sta *mvm_link_sta; + ssize_t ret; + + mutex_lock(&mvm->mutex); + + mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id], + lockdep_is_held(&mvm->mutex)); + if (WARN_ON(!mvm_link_sta)) { + mutex_unlock(&mvm->mutex); + return -ENODEV; + } + + ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos); + + mutex_unlock(&mvm->mutex); + + return ret; +} + +#define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \ +static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \ + const char __user *user_buf, \ + size_t count, loff_t *ppos) \ +{ \ + char buf[buflen] = {}; \ + size_t buf_size = min(count, sizeof(buf) - 1); \ + \ + if (copy_from_user(buf, user_buf, buf_size)) \ + return -EFAULT; \ + \ + return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \ + file, \ + buf, buf_size, ppos); \ +} \ + +#define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ +static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \ + char __user *user_buf, \ + size_t count, loff_t *ppos) \ +{ \ + return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \ + file, \ + user_buf, count, ppos); \ +} \ + +#define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \ +MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \ +static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ + .write = _iwl_dbgfs_link_sta_##name##_write, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \ +MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ +static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ + .read = _iwl_dbgfs_link_sta_##name##_read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \ +MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ +MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \ +static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ + .read = _iwl_dbgfs_link_sta_##name##_read, \ + .write = _iwl_dbgfs_link_sta_##name##_write, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \ + debugfs_create_file(alias, mode, parent, link_sta, \ + &iwl_dbgfs_link_sta_##name##_ops) +#define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \ + MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode) + +static ssize_t +iwl_dbgfs_prph_reg_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + int pos = 0; + char buf[32]; + const size_t bufsz = sizeof(buf); + + if (!mvm->dbgfs_prph_reg_addr) + return -EINVAL; + + pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", + mvm->dbgfs_prph_reg_addr, + iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t +iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + u8 args; + u32 value; + + args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); + /* if we only want to set the reg address - nothing more to do */ + if (args == 1) + goto out; + + /* otherwise, make sure we have both address and value */ + if (args != 2) + return -EINVAL; + + iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); + +out: + return count; +} + +static ssize_t +iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int ret; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +struct iwl_mvm_sniffer_apply { + struct iwl_mvm *mvm; + u8 *bssid; + u16 aid; +}; + +static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm_sniffer_apply *apply = data; + + apply->mvm->cur_aid = cpu_to_le16(apply->aid); + memcpy(apply->mvm->cur_bssid, apply->bssid, + sizeof(apply->mvm->cur_bssid)); + + return true; +} + +static ssize_t +iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_notification_wait wait; + struct iwl_he_monitor_cmd he_mon_cmd = {}; + struct iwl_mvm_sniffer_apply apply = { + .mvm = mvm, + }; + u16 wait_cmds[] = { + WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD), + }; + u32 aid; + int ret; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid, + &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1], + &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3], + &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]); + if (ret != 7) + return -EINVAL; + + he_mon_cmd.aid = cpu_to_le16(aid); + + apply.aid = aid; + apply.bssid = (void *)he_mon_cmd.bssid; + + mutex_lock(&mvm->mutex); + + /* + * Use the notification waiter to get our function triggered + * in sequence with other RX. This ensures that frames we get + * on the RX queue _before_ the new configuration is applied + * still have mvm->cur_aid pointing to the old AID, and that + * frames on the RX queue _after_ the firmware processed the + * new configuration (and sent the response, synchronously) + * get mvm->cur_aid correctly set to the new AID. + */ + iwl_init_notification_wait(&mvm->notif_wait, &wait, + wait_cmds, ARRAY_SIZE(wait_cmds), + iwl_mvm_sniffer_apply, &apply); + + ret = iwl_mvm_send_cmd_pdu(mvm, + WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD), + 0, + sizeof(he_mon_cmd), &he_mon_cmd); + + /* no need to really wait, we already did anyway */ + iwl_remove_notification(&mvm->notif_wait, &wait); + + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t +iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + u8 buf[32]; + int len; + + len = scnprintf(buf, sizeof(buf), + "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n", + le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0], + mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3], + mvm->cur_bssid[4], mvm->cur_bssid[5]); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t +iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1]; + unsigned int pos = 0; + size_t bufsz = sizeof(buf); + int i; + + mutex_lock(&mvm->mutex); + + for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) + pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", + mvm->uapsd_noagg_bssids[i].addr); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t +iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm, + char *buf, size_t count, loff_t *ppos) +{ + int ret; + struct iwl_ltr_config_cmd ltr_config = {0}; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x", + <r_config.flags, + <r_config.static_long, + <r_config.static_short, + <r_config.ltr_cfg_values[0], + <r_config.ltr_cfg_values[1], + <r_config.ltr_cfg_values[2], + <r_config.ltr_cfg_values[3]) != 7) { + return -EINVAL; + } + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config), + <r_config); + mutex_unlock(&mvm->mutex); + + if (ret) + IWL_ERR(mvm, "failed to send ltr configuration cmd\n"); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + int ret = 0; + u16 op_id; + + if (kstrtou16(buf, 10, &op_id)) + return -EINVAL; + + /* value zero triggers re-sending the default table to the device */ + if (!op_id) { + mutex_lock(&mvm->mutex); + ret = iwl_rfi_send_config_cmd(mvm, NULL); + mutex_unlock(&mvm->mutex); + } else { + ret = -EOPNOTSUPP; /* in the future a new table will be added */ + } + + return ret ?: count; +} + +/* The size computation is as follows: + * each number needs at most 3 characters, number of rows is the size of + * the table; So, need 5 chars for the "freq: " part and each tuple afterwards + * needs 6 characters for numbers and 5 for the punctuation around. + */ +#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\ + (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5))) + +static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct iwl_rfi_freq_table_resp_cmd *resp; + u32 status; + char buf[IWL_RFI_BUF_SIZE]; + int i, j, pos = 0; + + resp = iwl_rfi_get_freq_table(mvm); + if (IS_ERR(resp)) + return PTR_ERR(resp); + + status = le32_to_cpu(resp->status); + if (status != RFI_FREQ_TABLE_OK) { + scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status); + goto out; + } + + for (i = 0; i < ARRAY_SIZE(resp->table); i++) { + pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ", + resp->table[i].freq); + + for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++) + pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, + "(%d, %d) ", + resp->table[i].channels[j], + resp->table[i].bands[j]); + pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n"); + } + +out: + kfree(resp); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); + +/* Device wide debugfs entries */ +MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); +MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); +MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8); +MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); +MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); +MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); +MVM_DEBUGFS_READ_FILE_OPS(nic_temp); +MVM_DEBUGFS_READ_FILE_OPS(stations); +MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data); +MVM_DEBUGFS_READ_FILE_OPS(bt_notif); +MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); +MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); +MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); +MVM_DEBUGFS_READ_FILE_OPS(fw_ver); +MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver); +MVM_DEBUGFS_READ_FILE_OPS(tas_get_status); +MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); +MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); +MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); +MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); +MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); +MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64); +MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, + (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); +MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); +MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512); +MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512); + +MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids); + +#ifdef CONFIG_ACPI +MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); +MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable); +#endif + +MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16); + +MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32); + +MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16); + +static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct iwl_dbg_mem_access_cmd cmd = {}; + struct iwl_dbg_mem_access_rsp *rsp; + struct iwl_host_cmd hcmd = { + .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, + .data = { &cmd, }, + .len = { sizeof(cmd) }, + }; + size_t delta; + ssize_t ret, len; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR); + cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ); + + /* Take care of alignment of both the position and the length */ + delta = *ppos & 0x3; + cmd.addr = cpu_to_le32(*ppos - delta); + cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4, + (size_t)DEBUG_MEM_MAX_SIZE_DWORDS)); + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd(mvm, &hcmd); + mutex_unlock(&mvm->mutex); + + if (ret < 0) + return ret; + + if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { + ret = -EIO; + goto out; + } + + rsp = (void *)hcmd.resp_pkt->data; + if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) { + ret = -ENXIO; + goto out; + } + + len = min((size_t)le32_to_cpu(rsp->len) << 2, + iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp)); + len = min(len - delta, count); + if (len < 0) { + ret = -EFAULT; + goto out; + } + + ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len); + *ppos += ret; + +out: + iwl_free_resp(&hcmd); + return ret; +} + +static ssize_t iwl_dbgfs_mem_write(struct file *file, + const char __user *user_buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + struct iwl_dbg_mem_access_cmd *cmd; + struct iwl_dbg_mem_access_rsp *rsp; + struct iwl_host_cmd hcmd = {}; + size_t cmd_size; + size_t data_size; + u32 op, len; + ssize_t ret; + + if (!iwl_mvm_firmware_running(mvm)) + return -EIO; + + hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR); + + if (*ppos & 0x3 || count < 4) { + op = DEBUG_MEM_OP_WRITE_BYTES; + len = min(count, (size_t)(4 - (*ppos & 0x3))); + data_size = len; + } else { + op = DEBUG_MEM_OP_WRITE; + len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS); + data_size = len << 2; + } + + cmd_size = sizeof(*cmd) + ALIGN(data_size, 4); + cmd = kzalloc(cmd_size, GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->op = cpu_to_le32(op); + cmd->len = cpu_to_le32(len); + cmd->addr = cpu_to_le32(*ppos); + if (copy_from_user((void *)cmd->data, user_buf, data_size)) { + kfree(cmd); + return -EFAULT; + } + + hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, + hcmd.data[0] = (void *)cmd; + hcmd.len[0] = cmd_size; + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd(mvm, &hcmd); + mutex_unlock(&mvm->mutex); + + kfree(cmd); + + if (ret < 0) + return ret; + + if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { + ret = -EIO; + goto out; + } + + rsp = (void *)hcmd.resp_pkt->data; + if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) { + ret = -ENXIO; + goto out; + } + + ret = data_size; + *ppos += ret; + +out: + iwl_free_resp(&hcmd); + return ret; +} + +static const struct file_operations iwl_dbgfs_mem_ops = { + .read = iwl_dbgfs_mem_read, + .write = iwl_dbgfs_mem_write, + .open = simple_open, + .llseek = default_llseek, +}; + +void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_link_sta *link_sta, + struct dentry *dir) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + if (iwl_mvm_has_tlc_offload(mvm)) { + MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400); + } + + MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600); +} + +void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm) +{ + struct dentry *bcast_dir __maybe_unused; + + spin_lock_init(&mvm->drv_stats_lock); + + MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600); + + if (mvm->fw->phy_integration_ver) + MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400); +#ifdef CONFIG_ACPI + MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400); +#endif + MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2)) + MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200); + + debugfs_create_bool("enable_scan_iteration_notif", 0600, + mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); + debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, + &mvm->drop_bcn_ap_mode); + + MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR); + +#ifdef CONFIG_PM_SLEEP + MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); + debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, + &mvm->d3_wake_sysassert); + debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, + &mvm->last_netdetect_scans); +#endif + + debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, + &mvm->ps_disabled); + debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, + &mvm->nvm_hw_blob); + debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, + &mvm->nvm_sw_blob); + debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, + &mvm->nvm_calib_blob); + debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, + &mvm->nvm_prod_blob); + debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, + &mvm->nvm_phy_sku_blob); + debugfs_create_blob("nvm_reg", S_IRUSR, + mvm->debugfs_dir, &mvm->nvm_reg_blob); + + debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm, + &iwl_dbgfs_mem_ops); + + /* + * Create a symlink with mac80211. It will be removed when mac80211 + * exists (before the opmode exists which removes the target.) + */ + if (!IS_ERR(mvm->debugfs_dir)) { + char buf[100]; + + snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent); + debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, + buf); + } +} -- cgit v1.2.3