| // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
| /* |
| * Copyright (C) 2012-2014, 2018-2021 Intel Corporation |
| * Copyright (C) 2013-2015 Intel Mobile Communications GmbH |
| * Copyright (C) 2016-2017 Intel Deutschland GmbH |
| */ |
| #include <linux/vmalloc.h> |
| #include <linux/ieee80211.h> |
| #include <linux/netdevice.h> |
| |
| #include "mvm.h" |
| #include "sta.h" |
| #include "iwl-io.h" |
| #include "debugfs.h" |
| #include "iwl-modparams.h" |
| #include "fw/error-dump.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: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu 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: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu 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); |
| } |
| #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 file *file, char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ieee80211_sta *sta = file->private_data; |
| struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; |
| struct iwl_mvm *mvm = lq_sta->pers.drv; |
| static const size_t bufsz = 2048; |
| char *buff; |
| int desc = 0; |
| ssize_t ret; |
| |
| buff = kmalloc(bufsz, GFP_KERNEL); |
| if (!buff) |
| return -ENOMEM; |
| |
| mutex_lock(&mvm->mutex); |
| |
| 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'; |
| mutex_unlock(&mvm->mutex); |
| |
| 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_sta *sta, |
| char *buf, size_t count, |
| loff_t *ppos) |
| { |
| struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| int i; |
| u16 amsdu_len; |
| |
| if (kstrtou16(buf, 0, &amsdu_len)) |
| return -EINVAL; |
| |
| /* only change from debug set <-> debug unset */ |
| if ((amsdu_len && mvmsta->orig_amsdu_len) || |
| (!!amsdu_len && mvmsta->orig_amsdu_len)) |
| return -EBUSY; |
| |
| if (amsdu_len) { |
| mvmsta->orig_amsdu_len = sta->max_amsdu_len; |
| sta->max_amsdu_len = amsdu_len; |
| for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++) |
| sta->max_tid_amsdu_len[i] = amsdu_len; |
| } else { |
| sta->max_amsdu_len = mvmsta->orig_amsdu_len; |
| mvmsta->orig_amsdu_len = 0; |
| } |
| return count; |
| } |
| |
| static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct ieee80211_sta *sta = file->private_data; |
| struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); |
| |
| char buf[32]; |
| int pos; |
| |
| pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len); |
| pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n", |
| mvmsta->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; |
| 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", |
| mvm->trans->cfg->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_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, " (%hhx)\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 = {}; |
| 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); |
| 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_lowest_rate(info, vif); |
| |
| 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); |
| beacon_cmd.template_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 ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) |
| #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
| static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct iwl_mvm *mvm = file->private_data; |
| struct iwl_bcast_filter_cmd cmd; |
| const struct iwl_fw_bcast_filter *filter; |
| char *buf; |
| int bufsz = 1024; |
| int i, j, pos = 0; |
| ssize_t ret; |
| |
| buf = kzalloc(bufsz, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| mutex_lock(&mvm->mutex); |
| if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { |
| ADD_TEXT("None\n"); |
| mutex_unlock(&mvm->mutex); |
| goto out; |
| } |
| mutex_unlock(&mvm->mutex); |
| |
| for (i = 0; cmd.filters[i].attrs[0].mask; i++) { |
| filter = &cmd.filters[i]; |
| |
| ADD_TEXT("Filter [%d]:\n", i); |
| ADD_TEXT("\tDiscard=%d\n", filter->discard); |
| ADD_TEXT("\tFrame Type: %s\n", |
| filter->frame_type ? "IPv4" : "Generic"); |
| |
| for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { |
| const struct iwl_fw_bcast_filter_attr *attr; |
| |
| attr = &filter->attrs[j]; |
| if (!attr->mask) |
| break; |
| |
| ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", |
| j, attr->offset, |
| attr->offset_type ? "IP End" : |
| "Payload Start", |
| be32_to_cpu(attr->mask), |
| be32_to_cpu(attr->val), |
| le16_to_cpu(attr->reserved1)); |
| } |
| } |
| out: |
| ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| kfree(buf); |
| return ret; |
| } |
| |
| static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, |
| size_t count, loff_t *ppos) |
| { |
| int pos, next_pos; |
| struct iwl_fw_bcast_filter filter = {}; |
| struct iwl_bcast_filter_cmd cmd; |
| u32 filter_id, attr_id, mask, value; |
| int err = 0; |
| |
| if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, |
| &filter.frame_type, &pos) != 3) |
| return -EINVAL; |
| |
| if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || |
| filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) |
| return -EINVAL; |
| |
| for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); |
| attr_id++) { |
| struct iwl_fw_bcast_filter_attr *attr = |
| &filter.attrs[attr_id]; |
| |
| if (pos >= count) |
| break; |
| |
| if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", |
| &attr->offset, &attr->offset_type, |
| &mask, &value, &next_pos) != 4) |
| return -EINVAL; |
| |
| attr->mask = cpu_to_be32(mask); |
| attr->val = cpu_to_be32(value); |
| if (mask) |
| filter.num_attrs++; |
| |
| pos += next_pos; |
| } |
| |
| mutex_lock(&mvm->mutex); |
| memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], |
| &filter, sizeof(filter)); |
| |
| /* send updated bcast filtering configuration */ |
| if (iwl_mvm_firmware_running(mvm) && |
| mvm->dbgfs_bcast_filtering.override && |
| iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
| err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
| sizeof(cmd), &cmd); |
| mutex_unlock(&mvm->mutex); |
| |
| return err ?: count; |
| } |
| |
| static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, |
| char __user *user_buf, |
| size_t count, loff_t *ppos) |
| { |
| struct iwl_mvm *mvm = file->private_data; |
| struct iwl_bcast_filter_cmd cmd; |
| char *buf; |
| int bufsz = 1024; |
| int i, pos = 0; |
| ssize_t ret; |
| |
| buf = kzalloc(bufsz, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| mutex_lock(&mvm->mutex); |
| if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { |
| ADD_TEXT("None\n"); |
| mutex_unlock(&mvm->mutex); |
| goto out; |
| } |
| mutex_unlock(&mvm->mutex); |
| |
| for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { |
| const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; |
| |
| ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", |
| i, mac->default_discard, mac->attached_filters); |
| } |
| out: |
| ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| kfree(buf); |
| return ret; |
| } |
| |
| static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, |
| char *buf, size_t count, |
| loff_t *ppos) |
| { |
| struct iwl_bcast_filter_cmd cmd; |
| struct iwl_fw_bcast_mac mac = {}; |
| u32 mac_id, attached_filters; |
| int err = 0; |
| |
| if (!mvm->bcast_filters) |
| return -ENOENT; |
| |
| if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, |
| &attached_filters) != 3) |
| return -EINVAL; |
| |
| if (mac_id >= ARRAY_SIZE(cmd.macs) || |
| mac.default_discard > 1 || |
| attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) |
| return -EINVAL; |
| |
| mac.attached_filters = cpu_to_le16(attached_filters); |
| |
| mutex_lock(&mvm->mutex); |
| memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], |
| &mac, sizeof(mac)); |
| |
| /* send updated bcast filtering configuration */ |
| if (iwl_mvm_firmware_running(mvm) && |
| mvm->dbgfs_bcast_filtering.override && |
| iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
| err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
| sizeof(cmd), &cmd); |
| mutex_unlock(&mvm->mutex); |
| |
| return err ?: count; |
| } |
| #endif |
| |
| #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) |
| |
| #define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \ |
| _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) |
| #define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \ |
| _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) |
| |
| #define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \ |
| debugfs_create_file(alias, mode, parent, sta, \ |
| &iwl_dbgfs_##name##_ops); \ |
| } while (0) |
| #define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \ |
| MVM_DEBUGFS_ADD_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[] = { |
| iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0), |
| }; |
| 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, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, |
| DATA_PATH_GROUP, 0), 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_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_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_IWLWIFI_BCAST_FILTERING |
| MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); |
| MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); |
| #endif |
| |
| #ifdef CONFIG_ACPI |
| MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); |
| #endif |
| |
| MVM_DEBUGFS_READ_WRITE_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 = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, |
| DEBUG_GROUP, 0); |
| 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; |
| |
| 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, (void *)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 = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, |
| DEBUG_GROUP, 0); |
| |
| 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; |
| |
| 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_sta_add_debugfs(struct ieee80211_hw *hw, |
| struct ieee80211_vif *vif, |
| struct ieee80211_sta *sta, |
| struct dentry *dir) |
| { |
| struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); |
| |
| if (iwl_mvm_has_tlc_offload(mvm)) { |
| MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400); |
| } |
| MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600); |
| } |
| |
| void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm) |
| { |
| struct dentry *bcast_dir __maybe_unused; |
| char buf[100]; |
| |
| 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); |
| #ifdef CONFIG_ACPI |
| MVM_DEBUGFS_ADD_FILE(sar_geo_profile, 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_IWLWIFI_BCAST_FILTERING |
| if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { |
| bcast_dir = debugfs_create_dir("bcast_filtering", |
| mvm->debugfs_dir); |
| |
| debugfs_create_bool("override", 0600, bcast_dir, |
| &mvm->dbgfs_bcast_filtering.override); |
| |
| MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, |
| bcast_dir, 0600); |
| MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, |
| bcast_dir, 0600); |
| } |
| #endif |
| |
| #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.) |
| */ |
| snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent); |
| debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf); |
| } |