| /****************************************************************************** |
| * |
| * 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/ieee80211.h> |
| #include <linux/netdevice.h> |
| #include <linux/vmalloc.h> |
| |
| #include "debugfs.h" |
| #include "fw/error-dump.h" |
| #include "iwl-io.h" |
| #include "mvm.h" |
| #include "sta.h" |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| #include "fw/api/ax-softap-testmode.h" |
| #endif |
| |
| #ifdef CPTCFG_IWLWIFI_THERMAL_DEBUGFS |
| static ssize_t iwl_dbgfs_tt_tx_backoff_write(struct iwl_mvm* mvm, char* buf, size_t count, |
| loff_t* ppos) { |
| int i = 0; |
| int ret; |
| uint32_t temperature, backoff; |
| char* value_str; |
| char* seps = "\n "; |
| char* buf_ptr = buf; |
| struct iwl_tt_tx_backoff new_backoff_values[TT_TX_BACKOFF_SIZE]; |
| |
| mutex_lock(&mvm->mutex); |
| while ((value_str = strsep(&buf_ptr, seps))) { |
| if (sscanf(value_str, "%u=%u", &temperature, &backoff) != 2) { break; } |
| |
| if (temperature >= mvm->thermal_throttle.params.ct_kill_entry || |
| backoff < mvm->thermal_throttle.min_backoff) { |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| if (i == TT_TX_BACKOFF_SIZE) { |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| new_backoff_values[i].backoff = backoff; |
| new_backoff_values[i].temperature = temperature; |
| i++; |
| } |
| |
| if (i != TT_TX_BACKOFF_SIZE) { |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| memcpy(mvm->thermal_throttle.params.tx_backoff, new_backoff_values, |
| sizeof(mvm->thermal_throttle.params.tx_backoff)); |
| |
| ret = count; |
| |
| out: |
| mutex_unlock(&mvm->mutex); |
| return ret; |
| } |
| |
| static ssize_t iwl_dbgfs_tt_tx_backoff_read(struct file* file, char __user* user_buf, size_t count, |
| loff_t* ppos) { |
| struct iwl_mvm* mvm = file->private_data; |
| struct iwl_tt_tx_backoff* tx_backoff = mvm->thermal_throttle.params.tx_backoff; |
| /* we need 10 chars per line: 3 chars for the temperature + 1 |
| * for the equal sign + 5 for the backoff value + end of line. |
| */ |
| char buf[TT_TX_BACKOFF_SIZE * 10 + 1]; |
| int i, pos = 0, bufsz = sizeof(buf); |
| |
| mutex_lock(&mvm->mutex); |
| for (i = 0; i < TT_TX_BACKOFF_SIZE; i++) { |
| pos += scnprintf(buf + pos, bufsz - pos, "%d=%d\n", tx_backoff[i].temperature, |
| tx_backoff[i].backoff); |
| } |
| mutex_unlock(&mvm->mutex); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| } |
| #endif |
| |
| 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; |
| uint32_t 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; |
| uint8_t* 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; |
| uint32_t offset, len; |
| uint32_t 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; |
| int32_t 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; |
| uint8_t* 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; |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| static void iwl_rs_set_fixed_rate(struct iwl_mvm* mvm, struct iwl_lq_sta_rs_fw* lq_sta) { |
| struct iwl_dhc_cmd* dhc_cmd; |
| struct iwl_dhc_tlc_cmd* dhc_tlc_cmd; |
| uint32_t cmd_id = iwl_cmd_id(DEBUG_HOST_COMMAND, IWL_ALWAYS_LONG_GROUP, 0); |
| int ret; |
| |
| dhc_cmd = kzalloc(sizeof(*dhc_cmd) + sizeof(*dhc_tlc_cmd), GFP_KERNEL); |
| if (!dhc_cmd) { |
| lq_sta->pers.dbg_fixed_rate = 0; |
| return; |
| } |
| |
| IWL_DEBUG_RATE(mvm, "sta_id %d rate 0x%X\n", lq_sta->pers.sta_id, lq_sta->pers.dbg_fixed_rate); |
| |
| dhc_tlc_cmd = (void*)dhc_cmd->data; |
| dhc_tlc_cmd->sta_id = lq_sta->pers.sta_id; |
| dhc_tlc_cmd->data[IWL_TLC_DEBUG_FIXED_RATE] = cpu_to_le32(lq_sta->pers.dbg_fixed_rate); |
| dhc_tlc_cmd->flags = cpu_to_le32(BIT(IWL_TLC_DEBUG_FIXED_RATE)); |
| dhc_cmd->length = cpu_to_le32(sizeof(*dhc_tlc_cmd) >> 2); |
| dhc_cmd->index_and_mask = |
| cpu_to_le32(DHC_TABLE_INTEGRATION | DHC_TARGET_UMAC | DHC_INTEGRATION_TLC_DEBUG_CONFIG); |
| |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(*dhc_cmd) + sizeof(*dhc_tlc_cmd), dhc_cmd); |
| mutex_unlock(&mvm->mutex); |
| if (ret) { |
| lq_sta->pers.dbg_fixed_rate = 0; |
| IWL_ERR(mvm, "Failed to send TLC Debug command: %d\n", ret); |
| } |
| kfree(dhc_cmd); |
| } |
| |
| static ssize_t iwl_dbgfs_fixed_rate_write(struct ieee80211_sta* sta, char* buf, size_t count, |
| loff_t* ppos) { |
| 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; |
| uint32_t parsed_rate; |
| |
| if (kstrtou32(buf, 0, &parsed_rate)) { |
| lq_sta->pers.dbg_fixed_rate = 0; |
| } else { |
| lq_sta->pers.dbg_fixed_rate = parsed_rate; |
| } |
| |
| iwl_rs_set_fixed_rate(mvm, lq_sta); |
| return count; |
| } |
| |
| static void iwl_rs_set_ampdu_size(struct iwl_mvm* mvm, struct iwl_lq_sta_rs_fw* lq_sta) { |
| struct iwl_dhc_cmd* dhc_cmd; |
| struct iwl_dhc_tlc_cmd* dhc_tlc_cmd; |
| uint32_t cmd_id = iwl_cmd_id(DEBUG_HOST_COMMAND, IWL_ALWAYS_LONG_GROUP, 0); |
| int ret; |
| |
| dhc_cmd = kzalloc(sizeof(*dhc_cmd) + sizeof(*dhc_tlc_cmd), GFP_KERNEL); |
| if (!dhc_cmd) { |
| lq_sta->pers.dbg_agg_frame_count_lim = 0; |
| return; |
| } |
| |
| IWL_DEBUG_RATE(mvm, "sta_id %d agg_frame_cmdt_lim %d\n", lq_sta->pers.sta_id, |
| lq_sta->pers.dbg_agg_frame_count_lim); |
| |
| dhc_tlc_cmd = (void*)dhc_cmd->data; |
| dhc_tlc_cmd->sta_id = lq_sta->pers.sta_id; |
| dhc_tlc_cmd->data[IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM] = |
| cpu_to_le32(lq_sta->pers.dbg_agg_frame_count_lim); |
| dhc_tlc_cmd->flags = cpu_to_le32(BIT(IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM)); |
| dhc_cmd->length = cpu_to_le32(sizeof(*dhc_tlc_cmd) >> 2); |
| dhc_cmd->index_and_mask = |
| cpu_to_le32(DHC_TABLE_INTEGRATION | DHC_TARGET_UMAC | DHC_INTEGRATION_TLC_DEBUG_CONFIG); |
| |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(*dhc_cmd) + sizeof(*dhc_tlc_cmd), dhc_cmd); |
| mutex_unlock(&mvm->mutex); |
| if (ret) { |
| lq_sta->pers.dbg_agg_frame_count_lim = 0; |
| IWL_ERR(mvm, "Failed to send TLC Debug command: %d\n", ret); |
| } |
| kfree(dhc_cmd); |
| } |
| |
| static ssize_t iwl_dbgfs_ampdu_size_write(struct ieee80211_sta* sta, char* buf, size_t count, |
| loff_t* ppos) { |
| 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; |
| uint32_t ampdu_size; |
| |
| if (kstrtou32(buf, 0, &du_size)) { |
| lq_sta->pers.dbg_agg_frame_count_lim = 0; |
| } else { |
| lq_sta->pers.dbg_agg_frame_count_lim = ampdu_size; |
| } |
| |
| iwl_rs_set_ampdu_size(mvm, lq_sta); |
| return count; |
| } |
| #endif |
| |
| 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; |
| } |
| |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| static ssize_t iwl_dbgfs_ax_softap_client_testmode_write(struct iwl_mvm* mvm, char* buf, |
| size_t count, loff_t* ppos) { |
| uint32_t status; |
| int ret; |
| bool is_enabled; |
| struct ax_softap_client_testmode_cmd cmd; |
| |
| if (!iwl_mvm_firmware_running(mvm)) { return -EIO; } |
| |
| ret = kstrtobool(buf, &is_enabled); |
| if (ret) { |
| IWL_ERR(mvm, "Invalid softap client debugfs value (%d)\n", ret); |
| return ret; |
| } |
| |
| cmd.enable = is_enabled ? 1 : 0; |
| |
| mutex_lock(&mvm->mutex); |
| |
| ret = iwl_mvm_send_cmd_pdu_status( |
| mvm, iwl_cmd_id(AX_SOFTAP_CLIENT_TESTMODE, DATA_PATH_GROUP, 0), sizeof(cmd), &cmd, &status); |
| |
| mutex_unlock(&mvm->mutex); |
| |
| if (ret) { |
| IWL_ERR(mvm, "Failed to send softap client cmd (%d)\n", ret); |
| return ret; |
| } |
| |
| if (status) { |
| IWL_ERR(mvm, "softap client cmd failed (%d)\n", status); |
| return -EIO; |
| } |
| |
| mvm->is_bar_enabled = cmd.enable ? false : true; |
| |
| return count; |
| } |
| #endif |
| |
| 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) { |
| uint32_t 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) { |
| uint8_t 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 CPTCFG_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; |
| uint32_t 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 = {}; |
| uint32_t 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; |
| uint8_t* 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); |
| uint32_t 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) { |
| uint8_t args; |
| uint32_t 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 = {}; |
| uint32_t 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; |
| uint8_t 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); |
| } |
| |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| static ssize_t iwl_dbgfs_tx_power_status_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; |
| uint32_t mode = le32_to_cpu(mvm->txp_cmd.v5.v3.set_mode); |
| bool txp_cmd_valid = mode == IWL_TX_POWER_MODE_SET_DEVICE; |
| uint16_t val_24 = le16_to_cpu(mvm->txp_cmd.v5.v3.dev_24); |
| uint16_t val_52l = le16_to_cpu(mvm->txp_cmd.v5.v3.dev_52_low); |
| uint16_t val_52h = le16_to_cpu(mvm->txp_cmd.v5.v3.dev_52_high); |
| char buf_24[15] = "(not limited)"; |
| char buf_52l[15] = "(not limited)"; |
| char buf_52h[15] = "(not limited)"; |
| |
| if (txp_cmd_valid && val_24 < IWL_DEV_MAX_TX_POWER) { |
| sprintf(buf_24, "%d.%03d dBm", val_24 >> 3, (val_24 & 7) * 125); |
| } |
| if (txp_cmd_valid && val_52l < IWL_DEV_MAX_TX_POWER) { |
| sprintf(buf_52l, "%d.%03d dBm", val_52l >> 3, (val_52l & 7) * 125); |
| } |
| if (txp_cmd_valid && val_52h < IWL_DEV_MAX_TX_POWER) { |
| sprintf(buf_52h, "%d.%03d dBm", val_52h >> 3, (val_52h & 7) * 125); |
| } |
| |
| pos += scnprintf(buf + pos, bufsz - pos, "2.4 = %s\n", buf_24); |
| pos += scnprintf(buf + pos, bufsz - pos, "5.2L = %s\n", buf_52l); |
| pos += scnprintf(buf + pos, bufsz - pos, "5.2H = %s\n", buf_52h); |
| |
| return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
| } |
| #endif |
| |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| static ssize_t iwl_dbgfs_debug_profile_write(struct iwl_mvm* mvm, char* buf, size_t count, |
| loff_t* ppos) { |
| struct iwl_dhc_cmd* dhc_cmd; |
| struct iwl_dhc_profile_cmd* profile_cmd; |
| struct iwl_host_cmd hcmd = { |
| .id = iwl_cmd_id(DEBUG_HOST_COMMAND, IWL_ALWAYS_LONG_GROUP, 0), |
| }; |
| int ret; |
| uint32_t report, reset, period, metrics; |
| |
| if (sscanf(buf, "%x,%x,%x,%x", &report, &reset, &period, &metrics) != 4) { return -EINVAL; } |
| |
| /* allocate the maximal amount of memory that can be sent */ |
| dhc_cmd = kzalloc(sizeof(*dhc_cmd) + sizeof(*profile_cmd), GFP_KERNEL); |
| if (!dhc_cmd) { return -ENOMEM; } |
| |
| hcmd.len[0] = sizeof(*dhc_cmd); |
| if (report) { |
| dhc_cmd->length = cpu_to_le32(sizeof(reset) >> 2); |
| dhc_cmd->index_and_mask = |
| cpu_to_le32(DHC_TABLE_AUTOMATION | DHC_TARGET_UMAC | DHC_AUTO_UMAC_REPORT_PROFILING); |
| dhc_cmd->data[0] = cpu_to_le32(reset); |
| hcmd.len[0] += sizeof(reset); |
| } else { |
| dhc_cmd->length = cpu_to_le32(sizeof(*profile_cmd) >> 2); |
| dhc_cmd->index_and_mask = cpu_to_le32(DHC_TABLE_AUTOMATION | DHC_TARGET_UMAC | |
| DHC_AUTO_UMAC_SET_PROFILING_REPORT_CONF); |
| |
| profile_cmd = (void*)dhc_cmd->data; |
| profile_cmd->reset = cpu_to_le32(reset); |
| profile_cmd->period = cpu_to_le32(period); |
| profile_cmd->enabled_metrics = cpu_to_le32(metrics); |
| hcmd.len[0] += sizeof(*profile_cmd); |
| } |
| hcmd.data[0] = dhc_cmd; |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_send_cmd(mvm, &hcmd); |
| if (ret) { IWL_ERR(mvm, "failed to send DHC profiling cmd\n"); } |
| mutex_unlock(&mvm->mutex); |
| kfree(dhc_cmd); |
| |
| return ret ?: count; |
| } |
| |
| static ssize_t iwl_dbgfs_send_dhc(struct iwl_mvm* mvm, char* buf, uint32_t index_and_mask) { |
| int ret; |
| uint32_t user_val; |
| __le32 cmd_data; |
| |
| struct iwl_dhc_cmd cmd = { |
| .length = cpu_to_le32(1), |
| .index_and_mask = cpu_to_le32(index_and_mask), |
| }; |
| |
| struct iwl_host_cmd hcmd = { |
| .id = iwl_cmd_id(DEBUG_HOST_COMMAND, LEGACY_GROUP, 0), |
| .data = {&cmd, &cmd_data}, |
| .len = {sizeof(cmd), sizeof(cmd_data)}, |
| }; |
| |
| if (!iwl_mvm_firmware_running(mvm)) { return -EIO; } |
| |
| ret = kstrtou32(buf, 10, &user_val); |
| cmd_data = cpu_to_le32(user_val); |
| |
| if (ret < 0) { goto out; } |
| |
| mutex_lock(&mvm->mutex); |
| ret = iwl_mvm_send_cmd(mvm, &hcmd); |
| mutex_unlock(&mvm->mutex); |
| |
| out: |
| iwl_free_resp(&hcmd); |
| return ret; |
| } |
| |
| static ssize_t iwl_dbgfs_enable_adwell_fine_tune_report_write(struct iwl_mvm* mvm, char* buf, |
| size_t count, loff_t* ppos) { |
| int ret; |
| uint32_t index_and_mask = DHC_AUTO_UMAC_ADAPTIVE_DWELL_SCAN_FINE_TUNE_ENABLE_REPORT | |
| DHC_TABLE_AUTOMATION | DHC_TARGET_UMAC; |
| |
| ret = iwl_dbgfs_send_dhc(mvm, buf, index_and_mask); |
| |
| return ret ?: count; |
| } |
| |
| static ssize_t iwl_dbgfs_enable_adwell_channel_dwell_report_write(struct iwl_mvm* mvm, char* buf, |
| size_t count, loff_t* ppos) { |
| int ret; |
| uint32_t index_and_mask = |
| DHC_AUTO_UMAC_SCAN_CHANNEL_DWELL_ENABLE_REPORT | DHC_TABLE_AUTOMATION | DHC_TARGET_UMAC; |
| |
| ret = iwl_dbgfs_send_dhc(mvm, buf, index_and_mask); |
| |
| return ret ?: count; |
| } |
| |
| static ssize_t iwl_dbgfs_disable_tx_fifo_mask_write(struct iwl_mvm* mvm, char* buf, size_t count, |
| loff_t* ppos) { |
| int ret; |
| |
| uint32_t index_and_mask = DHC_TOOLS_LMAC_TXF_FIFO_DISABLE; |
| |
| ret = iwl_dbgfs_send_dhc(mvm, buf, index_and_mask); |
| |
| return ret ?: count; |
| } |
| |
| static ssize_t iwl_dbgfs_ps_config_write(struct iwl_mvm* mvm, char* buf, size_t count, |
| loff_t* ppos) { |
| int ret; |
| uint32_t index_and_mask = |
| DHC_AUTO_UMAC_CONFIGURE_POWER_FLAGS | DHC_TABLE_AUTOMATION | DHC_TARGET_UMAC; |
| |
| ret = iwl_dbgfs_send_dhc(mvm, buf, index_and_mask); |
| |
| return ret ?: count; |
| } |
| |
| #endif /* CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED */ |
| |
| MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); |
| |
| /* Device wide debugfs entries */ |
| #ifdef CPTCFG_IWLMVM_ADVANCED_QUOTA_MGMT |
| MVM_DEBUGFS_READ_FILE_OPS(quota_status); |
| #endif |
| #ifdef CPTCFG_IWLWIFI_THERMAL_DEBUGFS |
| MVM_DEBUGFS_READ_WRITE_FILE_OPS(tt_tx_backoff, 64); |
| #endif |
| 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); |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| MVM_DEBUGFS_READ_FILE_OPS(tx_power_status); |
| #endif |
| |
| MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids); |
| |
| #ifdef CPTCFG_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 |
| |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| MVM_DEBUGFS_WRITE_STA_FILE_OPS(fixed_rate, 64); |
| MVM_DEBUGFS_WRITE_STA_FILE_OPS(ampdu_size, 64); |
| MVM_DEBUGFS_WRITE_FILE_OPS(debug_profile, 64); |
| MVM_DEBUGFS_WRITE_FILE_OPS(enable_adwell_fine_tune_report, 32); |
| MVM_DEBUGFS_WRITE_FILE_OPS(enable_adwell_channel_dwell_report, 32); |
| MVM_DEBUGFS_WRITE_FILE_OPS(disable_tx_fifo_mask, 16); |
| MVM_DEBUGFS_WRITE_FILE_OPS(ps_config, 32); |
| #endif /* CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED */ |
| |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| MVM_DEBUGFS_WRITE_FILE_OPS(ax_softap_client_testmode, 8); |
| #endif /* CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE */ |
| |
| 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; |
| uint32_t 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); |
| |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| iwl_mvm_ax_softap_testmode_sta_add_debugfs(hw, vif, sta, dir); |
| #endif |
| |
| if (iwl_mvm_has_tlc_offload(mvm)) { |
| MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400); |
| #ifdef CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| MVM_DEBUGFS_ADD_STA_FILE(fixed_rate, dir, 0400); |
| MVM_DEBUGFS_ADD_STA_FILE(ampdu_size, dir, 0400); |
| #endif |
| } |
| |
| 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) { |
| #ifdef CPTCFG_IWLWIFI_THERMAL_DEBUGFS |
| struct iwl_tt_params* tt_params = &mvm->thermal_throttle.params; |
| #endif |
| struct dentry* bcast_dir __maybe_unused; |
| char buf[100]; |
| |
| spin_lock_init(&mvm->drv_stats_lock); |
| |
| mvm->debugfs_dir = dbgfs_dir; |
| |
| #ifdef CPTCFG_IWLWIFI_THERMAL_DEBUGFS |
| MVM_DEBUGFS_ADD_FILE(tt_tx_backoff, dbgfs_dir, 0400); |
| #endif |
| 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 CPTCFG_IWLWIFI_DEBUG_HOST_CMD_ENABLED |
| MVM_DEBUGFS_ADD_FILE(debug_profile, mvm->debugfs_dir, 0200); |
| MVM_DEBUGFS_ADD_FILE(enable_adwell_fine_tune_report, mvm->debugfs_dir, 0200); |
| MVM_DEBUGFS_ADD_FILE(enable_adwell_channel_dwell_report, mvm->debugfs_dir, 0200); |
| MVM_DEBUGFS_ADD_FILE(disable_tx_fifo_mask, mvm->debugfs_dir, 0200); |
| MVM_DEBUGFS_ADD_FILE(ps_config, mvm->debugfs_dir, 0200); |
| #endif |
| #ifdef CONFIG_ACPI |
| MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400); |
| #endif |
| #ifdef CPTCFG_IWLMVM_VENDOR_CMDS |
| MVM_DEBUGFS_ADD_FILE(tx_power_status, mvm->debugfs_dir, 0400); |
| #endif |
| #ifdef CPTCFG_IWLMVM_AX_SOFTAP_TESTMODE |
| MVM_DEBUGFS_ADD_FILE(ax_softap_client_testmode, mvm->debugfs_dir, 0200); |
| #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, 0400); |
| |
| #ifdef CPTCFG_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 CPTCFG_IWLMVM_ADVANCED_QUOTA_MGMT |
| MVM_DEBUGFS_ADD_FILE(quota_status, mvm->debugfs_dir, 0400); |
| #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; |
| } |
| |
| #ifdef CPTCFG_IWLWIFI_THERMAL_DEBUGFS |
| if (!debugfs_create_u32("ct_kill_exit", 0600, mvm->debugfs_dir, &tt_params->ct_kill_exit)) { |
| goto err; |
| } |
| if (!debugfs_create_u32("ct_kill_entry", 0600, mvm->debugfs_dir, &tt_params->ct_kill_entry)) { |
| goto err; |
| } |
| if (!debugfs_create_u32("ct_kill_duration", 0600, mvm->debugfs_dir, |
| &tt_params->ct_kill_duration)) { |
| goto err; |
| } |
| if (!debugfs_create_u32("dynamic_smps_entry", 0600, mvm->debugfs_dir, |
| &tt_params->dynamic_smps_entry)) { |
| goto err; |
| } |
| if (!debugfs_create_u32("dynamic_smps_exit", 0600, mvm->debugfs_dir, |
| &tt_params->dynamic_smps_exit)) { |
| goto err; |
| } |
| if (!debugfs_create_u32("tx_protection_entry", 0600, mvm->debugfs_dir, |
| &tt_params->tx_protection_entry)) { |
| goto err; |
| } |
| if (!debugfs_create_u32("tx_protection_exit", 0600, mvm->debugfs_dir, |
| &tt_params->tx_protection_exit)) { |
| goto err; |
| } |
| #endif |
| |
| 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.) |
| */ |
| #if LINUX_VERSION_IS_GEQ(3, 12, 0) |
| snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent); |
| #else |
| snprintf(buf, 100, "../../%s/%s", dbgfs_dir->d_parent->d_parent->d_name.name, |
| dbgfs_dir->d_parent->d_name.name); |
| #endif |
| 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; |
| } |
