Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Johannes Berg | 2792 | 25.35% | 24 | 19.67% |
Eliad Peller | 1722 | 15.64% | 9 | 7.38% |
Emmanuel Grumbach | 1195 | 10.85% | 23 | 18.85% |
Ido Yariv | 719 | 6.53% | 1 | 0.82% |
Liad Kaufman | 655 | 5.95% | 5 | 4.10% |
Sara Sharon | 572 | 5.19% | 7 | 5.74% |
Alexander Bondar | 526 | 4.78% | 6 | 4.92% |
Eyal Shapira | 473 | 4.29% | 2 | 1.64% |
Gregory Greenman | 407 | 3.70% | 2 | 1.64% |
Matti Gottlieb | 372 | 3.38% | 2 | 1.64% |
Chaya Rachel Ivgy | 298 | 2.71% | 3 | 2.46% |
Haim Dreyfuss | 269 | 2.44% | 1 | 0.82% |
Luciano Coelho | 230 | 2.09% | 13 | 10.66% |
Golan Ben-Ami | 207 | 1.88% | 4 | 3.28% |
striebit | 191 | 1.73% | 1 | 0.82% |
Moshe Harel | 97 | 0.88% | 4 | 3.28% |
Mordechai Goodstein | 61 | 0.55% | 1 | 0.82% |
Oren Givon | 51 | 0.46% | 1 | 0.82% |
Joe Perches | 47 | 0.43% | 1 | 0.82% |
Matt Chen | 24 | 0.22% | 1 | 0.82% |
David Spinadel | 24 | 0.22% | 1 | 0.82% |
Andrei Otcheretianski | 21 | 0.19% | 1 | 0.82% |
Dan Carpenter | 21 | 0.19% | 3 | 2.46% |
Yisheng Xie | 15 | 0.14% | 1 | 0.82% |
Hila Gonen | 13 | 0.12% | 1 | 0.82% |
Djalal Harouni | 7 | 0.06% | 1 | 0.82% |
Andy Shevchenko | 2 | 0.02% | 1 | 0.82% |
Eran Harary | 1 | 0.01% | 1 | 0.82% |
Al Viro | 1 | 0.01% | 1 | 0.82% |
Total | 11013 | 122 |
/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless <linuxwifi@intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #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 "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, 0xFF, 0) ? : 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, 0) ? : 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 >= IWL_MVM_STATION_COUNT) 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; u8 *value; 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 { value = &mvm->geo_profiles[tbl_idx - 1].values[0]; 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: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n", value[1], value[2], value[0]); pos += scnprintf(buf + pos, bufsz - pos, "5.2GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n", value[4], value[5], value[3]); } 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 < ARRAY_SIZE(mvm->fw_id_to_mac_id); 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%s\n", (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "", (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : ""); 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); mutex_unlock(&mvm->mutex); ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); kfree(buff); return ret; } 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->cfg->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; } #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(pos, endpos - pos, stats->last_rates[idx]); } 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++; /* take the return value to make compiler happy - it will fail anyway */ ret = iwl_mvm_send_cmd_pdu(mvm, 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) { int ret; if (!iwl_mvm_firmware_running(mvm)) return -EIO; ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); if (ret) return ret; iwl_force_nmi(mvm->trans); iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); 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"); if (mvm->scan_rx_ant & ANT_C) pos += scnprintf(buf + pos, bufsz - pos, "C"); 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_rx_cmd_buffer rxb = { ._rx_page_order = 0, .truesize = 0, /* not used */ ._offset = 0, }; struct iwl_rx_packet *pkt; struct iwl_rx_mpdu_desc *desc; int bin_len = count / 2; int ret = -EINVAL; size_t mpdu_cmd_hdr_size = (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ? sizeof(struct iwl_rx_mpdu_desc) : IWL_RX_DESC_SIZE_V1; if (!iwl_mvm_firmware_running(mvm)) return -EIO; /* supporting only 9000 descriptor */ if (!mvm->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 */ if (bin_len < sizeof(*pkt) + mpdu_cmd_hdr_size) goto out; /* check this is RX packet */ if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) != WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)) goto out; /* check the length in metadata matches actual received length */ desc = (void *)pkt->data; if (le16_to_cpu(desc->mpdu_len) != (bin_len - mpdu_cmd_hdr_size - sizeof(*pkt))) goto out; local_bh_disable(); iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0); local_bh_enable(); ret = 0; out: iwl_free_rxb(&rxb); 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); } /* * Enable / Disable continuous recording. * Cause the FW to start continuous recording, by sending the relevant hcmd. * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING. * Disable: for 0 as input, DISABLE_CONT_RECORDING. */ static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { struct iwl_trans *trans = mvm->trans; const struct iwl_fw_dbg_dest_tlv_v1 *dest = trans->dbg_dest_tlv; struct iwl_continuous_record_cmd cont_rec = {}; int ret, rec_mode; if (!iwl_mvm_firmware_running(mvm)) return -EIO; if (!dest) return -EOPNOTSUPP; if (dest->monitor_mode != SMEM_MODE || trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) return -EOPNOTSUPP; ret = kstrtoint(buf, 0, &rec_mode); if (ret) return ret; cont_rec.record_mode.enable_recording = rec_mode ? cpu_to_le16(ENABLE_CONT_RECORDING) : cpu_to_le16(DISABLE_CONT_RECORDING); mutex_lock(&mvm->mutex); ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0, sizeof(cont_rec), &cont_rec); mutex_unlock(&mvm->mutex); return ret ?: count; } 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) { int ret; ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); if (ret) return ret; if (count == 0) return 0; iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, (count - 1)); iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); return count; } static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { unsigned int max_amsdu_len; int ret; ret = kstrtouint(buf, 0, &max_amsdu_len); if (ret) return ret; if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) return -EINVAL; mvm->max_amsdu_len = max_amsdu_len; 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 #ifdef CONFIG_PM_SLEEP static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { int store; if (sscanf(buf, "%d", &store) != 1) return -EINVAL; mvm->store_d3_resume_sram = store; return count; } static ssize_t iwl_dbgfs_d3_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; int ofs, len, pos = 0; size_t bufsz, ret; char *buf; u8 *ptr = mvm->d3_resume_sram; img = &mvm->fw->img[IWL_UCODE_WOWLAN]; len = img->sec[IWL_UCODE_SECTION_DATA].len; bufsz = len * 4 + 256; buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) return -ENOMEM; pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", mvm->store_d3_resume_sram ? "en" : "dis"); if (ptr) { for (ofs = 0; ofs < len; ofs += 16) { pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x %16ph\n", ofs, ptr + ofs); } } else { pos += scnprintf(buf + pos, bufsz - pos, "(no data captured)\n"); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } #endif #define PRINT_MVM_REF(ref) do { \ if (mvm->refs[ref]) \ pos += scnprintf(buf + pos, bufsz - pos, \ "\t(0x%lx): %d %s\n", \ BIT(ref), mvm->refs[ref], #ref); \ } while (0) static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_mvm *mvm = file->private_data; int i, pos = 0; char buf[256]; const size_t bufsz = sizeof(buf); u32 refs = 0; for (i = 0; i < IWL_MVM_REF_COUNT; i++) if (mvm->refs[i]) refs |= BIT(i); pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", refs); PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); PRINT_MVM_REF(IWL_MVM_REF_SCAN); PRINT_MVM_REF(IWL_MVM_REF_ROC); PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); PRINT_MVM_REF(IWL_MVM_REF_USER); PRINT_MVM_REF(IWL_MVM_REF_TX); PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); PRINT_MVM_REF(IWL_MVM_REF_START_AP); PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); PRINT_MVM_REF(IWL_MVM_REF_NMI); PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD); PRINT_MVM_REF(IWL_MVM_REF_RX); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { unsigned long value; int ret; bool taken; ret = kstrtoul(buf, 10, &value); if (ret < 0) return ret; mutex_lock(&mvm->mutex); taken = mvm->refs[IWL_MVM_REF_USER]; if (value == 1 && !taken) iwl_mvm_ref(mvm, IWL_MVM_REF_USER); else if (value == 0 && taken) iwl_mvm_unref(mvm, IWL_MVM_REF_USER); else ret = -EINVAL; mutex_unlock(&mvm->mutex); if (ret < 0) return ret; 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 { \ if (!debugfs_create_file(alias, mode, parent, mvm, \ &iwl_dbgfs_##name##_ops)) \ goto err; \ } 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 { \ if (!debugfs_create_file(alias, mode, parent, sta, \ &iwl_dbgfs_##name##_ops)) \ goto err; \ } 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); int ret; if (!mvm->dbgfs_prph_reg_addr) return -EINVAL; ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); if (ret) return ret; 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)); iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); 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; int ret; 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; ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); if (ret) return ret; iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 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; } static ssize_t iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { struct iwl_he_monitor_cmd he_mon_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); mutex_lock(&mvm->mutex); 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); mutex_unlock(&mvm->mutex); return ret ?: count; } 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); } 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_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(d0i3_refs, 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(cont_recording, 8); MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 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_PM_SLEEP MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); #endif #ifdef CONFIG_ACPI MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); #endif MVM_DEBUGFS_WRITE_FILE_OPS(he_sniffer_params, 32); 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); return; err: IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n"); } int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) { struct dentry *bcast_dir __maybe_unused; char buf[100]; spin_lock_init(&mvm->drv_stats_lock); mvm->debugfs_dir = dbgfs_dir; 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, dbgfs_dir, 0400); MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, 0400); MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(force_ctkill, dbgfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, 0400); MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, 0400); MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_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(d0i3_refs, 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(max_amsdu_len, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); #ifdef CONFIG_ACPI MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400); #endif MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0200); if (!debugfs_create_bool("enable_scan_iteration_notif", 0600, mvm->debugfs_dir, &mvm->scan_iter_notif_enabled)) goto err; if (!debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, &mvm->drop_bcn_ap_mode)) goto err; 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); if (!bcast_dir) goto err; if (!debugfs_create_bool("override", 0600, bcast_dir, &mvm->dbgfs_bcast_filtering.override)) goto err; 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_sram, mvm->debugfs_dir, 0600); MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); if (!debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, &mvm->d3_wake_sysassert)) goto err; if (!debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, &mvm->last_netdetect_scans)) goto err; #endif if (!debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, &mvm->ps_disabled)) goto err; if (!debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, &mvm->nvm_hw_blob)) goto err; if (!debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, &mvm->nvm_sw_blob)) goto err; if (!debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, &mvm->nvm_calib_blob)) goto err; if (!debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, &mvm->nvm_prod_blob)) goto err; if (!debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) goto err; debugfs_create_file("mem", 0600, dbgfs_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", dbgfs_dir->d_parent); if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) goto err; return 0; err: IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); return -ENOMEM; }
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