1425 lines
39 KiB
C
1425 lines
39 KiB
C
/******************************************************************************
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*****************************************************************************/
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#include <linux/ieee80211.h>
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#include <linux/export.h>
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#include <net/mac80211.h>
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#include "common.h"
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static void
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il_clear_traffic_stats(struct il_priv *il)
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{
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memset(&il->tx_stats, 0, sizeof(struct traffic_stats));
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memset(&il->rx_stats, 0, sizeof(struct traffic_stats));
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}
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/*
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* il_update_stats function record all the MGMT, CTRL and DATA pkt for
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* both TX and Rx . Use debugfs to display the rx/rx_stats
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*/
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void
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il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len)
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{
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struct traffic_stats *stats;
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if (is_tx)
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stats = &il->tx_stats;
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else
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stats = &il->rx_stats;
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if (ieee80211_is_mgmt(fc)) {
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switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
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case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
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stats->mgmt[MANAGEMENT_ASSOC_REQ]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
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stats->mgmt[MANAGEMENT_ASSOC_RESP]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
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stats->mgmt[MANAGEMENT_REASSOC_REQ]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
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stats->mgmt[MANAGEMENT_REASSOC_RESP]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ):
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stats->mgmt[MANAGEMENT_PROBE_REQ]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
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stats->mgmt[MANAGEMENT_PROBE_RESP]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_BEACON):
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stats->mgmt[MANAGEMENT_BEACON]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_ATIM):
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stats->mgmt[MANAGEMENT_ATIM]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
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stats->mgmt[MANAGEMENT_DISASSOC]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_AUTH):
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stats->mgmt[MANAGEMENT_AUTH]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
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stats->mgmt[MANAGEMENT_DEAUTH]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_ACTION):
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stats->mgmt[MANAGEMENT_ACTION]++;
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break;
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}
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} else if (ieee80211_is_ctl(fc)) {
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switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
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case cpu_to_le16(IEEE80211_STYPE_BACK_REQ):
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stats->ctrl[CONTROL_BACK_REQ]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_BACK):
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stats->ctrl[CONTROL_BACK]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_PSPOLL):
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stats->ctrl[CONTROL_PSPOLL]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_RTS):
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stats->ctrl[CONTROL_RTS]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_CTS):
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stats->ctrl[CONTROL_CTS]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_ACK):
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stats->ctrl[CONTROL_ACK]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_CFEND):
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stats->ctrl[CONTROL_CFEND]++;
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break;
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case cpu_to_le16(IEEE80211_STYPE_CFENDACK):
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stats->ctrl[CONTROL_CFENDACK]++;
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break;
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}
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} else {
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/* data */
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stats->data_cnt++;
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stats->data_bytes += len;
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}
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}
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EXPORT_SYMBOL(il_update_stats);
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/* create and remove of files */
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#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
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if (!debugfs_create_file(#name, mode, parent, il, \
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&il_dbgfs_##name##_ops)) \
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goto err; \
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} while (0)
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#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
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struct dentry *__tmp; \
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__tmp = debugfs_create_bool(#name, 0600, parent, ptr); \
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if (IS_ERR(__tmp) || !__tmp) \
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goto err; \
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} while (0)
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#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
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struct dentry *__tmp; \
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__tmp = debugfs_create_x32(#name, 0600, parent, ptr); \
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if (IS_ERR(__tmp) || !__tmp) \
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goto err; \
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} while (0)
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/* file operation */
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#define DEBUGFS_READ_FUNC(name) \
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static ssize_t il_dbgfs_##name##_read(struct file *file, \
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char __user *user_buf, \
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size_t count, loff_t *ppos);
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#define DEBUGFS_WRITE_FUNC(name) \
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static ssize_t il_dbgfs_##name##_write(struct file *file, \
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const char __user *user_buf, \
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size_t count, loff_t *ppos);
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#define DEBUGFS_READ_FILE_OPS(name) \
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DEBUGFS_READ_FUNC(name); \
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static const struct file_operations il_dbgfs_##name##_ops = { \
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.read = il_dbgfs_##name##_read, \
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.open = simple_open, \
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.llseek = generic_file_llseek, \
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};
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#define DEBUGFS_WRITE_FILE_OPS(name) \
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DEBUGFS_WRITE_FUNC(name); \
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static const struct file_operations il_dbgfs_##name##_ops = { \
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.write = il_dbgfs_##name##_write, \
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.open = simple_open, \
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.llseek = generic_file_llseek, \
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};
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#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
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DEBUGFS_READ_FUNC(name); \
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DEBUGFS_WRITE_FUNC(name); \
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static const struct file_operations il_dbgfs_##name##_ops = { \
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.write = il_dbgfs_##name##_write, \
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.read = il_dbgfs_##name##_read, \
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.open = simple_open, \
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.llseek = generic_file_llseek, \
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};
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static const char *
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il_get_mgmt_string(int cmd)
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{
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switch (cmd) {
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IL_CMD(MANAGEMENT_ASSOC_REQ);
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IL_CMD(MANAGEMENT_ASSOC_RESP);
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IL_CMD(MANAGEMENT_REASSOC_REQ);
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IL_CMD(MANAGEMENT_REASSOC_RESP);
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IL_CMD(MANAGEMENT_PROBE_REQ);
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IL_CMD(MANAGEMENT_PROBE_RESP);
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IL_CMD(MANAGEMENT_BEACON);
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IL_CMD(MANAGEMENT_ATIM);
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IL_CMD(MANAGEMENT_DISASSOC);
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IL_CMD(MANAGEMENT_AUTH);
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IL_CMD(MANAGEMENT_DEAUTH);
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IL_CMD(MANAGEMENT_ACTION);
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default:
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return "UNKNOWN";
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}
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}
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static const char *
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il_get_ctrl_string(int cmd)
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{
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switch (cmd) {
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IL_CMD(CONTROL_BACK_REQ);
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IL_CMD(CONTROL_BACK);
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IL_CMD(CONTROL_PSPOLL);
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IL_CMD(CONTROL_RTS);
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IL_CMD(CONTROL_CTS);
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IL_CMD(CONTROL_ACK);
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IL_CMD(CONTROL_CFEND);
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IL_CMD(CONTROL_CFENDACK);
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default:
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return "UNKNOWN";
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}
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}
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static ssize_t
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il_dbgfs_tx_stats_read(struct file *file, char __user *user_buf, size_t count,
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loff_t *ppos)
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{
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struct il_priv *il = file->private_data;
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char *buf;
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int pos = 0;
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int cnt;
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ssize_t ret;
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const size_t bufsz =
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100 + sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
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buf = kzalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
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for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
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il_get_mgmt_string(cnt), il->tx_stats.mgmt[cnt]);
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}
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pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
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for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
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il_get_ctrl_string(cnt), il->tx_stats.ctrl[cnt]);
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}
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pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
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il->tx_stats.data_cnt);
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
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il->tx_stats.data_bytes);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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kfree(buf);
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return ret;
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}
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static ssize_t
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il_dbgfs_clear_traffic_stats_write(struct file *file,
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const char __user *user_buf, size_t count,
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loff_t *ppos)
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{
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struct il_priv *il = file->private_data;
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u32 clear_flag;
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char buf[8];
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int buf_size;
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memset(buf, 0, sizeof(buf));
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buf_size = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, buf_size))
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return -EFAULT;
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if (sscanf(buf, "%x", &clear_flag) != 1)
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return -EFAULT;
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il_clear_traffic_stats(il);
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return count;
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}
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static ssize_t
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il_dbgfs_rx_stats_read(struct file *file, char __user *user_buf, size_t count,
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loff_t *ppos)
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{
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struct il_priv *il = file->private_data;
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char *buf;
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int pos = 0;
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int cnt;
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ssize_t ret;
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const size_t bufsz =
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100 + sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
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buf = kzalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
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for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
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il_get_mgmt_string(cnt), il->rx_stats.mgmt[cnt]);
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}
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pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
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for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
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il_get_ctrl_string(cnt), il->rx_stats.ctrl[cnt]);
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}
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pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
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il->rx_stats.data_cnt);
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pos +=
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scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
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il->rx_stats.data_bytes);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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kfree(buf);
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return ret;
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}
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#define BYTE1_MASK 0x000000ff;
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#define BYTE2_MASK 0x0000ffff;
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#define BYTE3_MASK 0x00ffffff;
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static ssize_t
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il_dbgfs_sram_read(struct file *file, char __user *user_buf, size_t count,
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loff_t *ppos)
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{
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u32 val;
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char *buf;
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ssize_t ret;
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int i;
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int pos = 0;
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struct il_priv *il = file->private_data;
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size_t bufsz;
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/* default is to dump the entire data segment */
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if (!il->dbgfs_sram_offset && !il->dbgfs_sram_len) {
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il->dbgfs_sram_offset = 0x800000;
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if (il->ucode_type == UCODE_INIT)
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il->dbgfs_sram_len = il->ucode_init_data.len;
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else
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il->dbgfs_sram_len = il->ucode_data.len;
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}
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bufsz = 30 + il->dbgfs_sram_len * sizeof(char) * 10;
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buf = kmalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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pos +=
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scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
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il->dbgfs_sram_len);
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pos +=
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scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
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il->dbgfs_sram_offset);
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for (i = il->dbgfs_sram_len; i > 0; i -= 4) {
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val =
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il_read_targ_mem(il,
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il->dbgfs_sram_offset +
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il->dbgfs_sram_len - i);
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if (i < 4) {
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switch (i) {
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case 1:
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val &= BYTE1_MASK;
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break;
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case 2:
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val &= BYTE2_MASK;
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break;
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case 3:
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val &= BYTE3_MASK;
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break;
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}
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}
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if (!(i % 16))
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pos += scnprintf(buf + pos, bufsz - pos, "\n");
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pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
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}
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pos += scnprintf(buf + pos, bufsz - pos, "\n");
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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kfree(buf);
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return ret;
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}
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static ssize_t
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il_dbgfs_sram_write(struct file *file, const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct il_priv *il = file->private_data;
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char buf[64];
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int buf_size;
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u32 offset, len;
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memset(buf, 0, sizeof(buf));
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buf_size = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, buf_size))
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return -EFAULT;
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if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
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il->dbgfs_sram_offset = offset;
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il->dbgfs_sram_len = len;
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} else {
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il->dbgfs_sram_offset = 0;
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il->dbgfs_sram_len = 0;
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}
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return count;
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}
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|
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static ssize_t
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il_dbgfs_stations_read(struct file *file, char __user *user_buf, size_t count,
|
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loff_t *ppos)
|
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{
|
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struct il_priv *il = file->private_data;
|
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struct il_station_entry *station;
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int max_sta = il->hw_params.max_stations;
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char *buf;
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int i, j, pos = 0;
|
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ssize_t ret;
|
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/* Add 30 for initial string */
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const size_t bufsz = 30 + sizeof(char) * 500 * (il->num_stations);
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|
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buf = kmalloc(bufsz, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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|
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pos +=
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scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
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il->num_stations);
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for (i = 0; i < max_sta; i++) {
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station = &il->stations[i];
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if (!station->used)
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continue;
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pos +=
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scnprintf(buf + pos, bufsz - pos,
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"station %d - addr: %pM, flags: %#x\n", i,
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station->sta.sta.addr,
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station->sta.station_flags_msk);
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pos +=
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scnprintf(buf + pos, bufsz - pos,
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"TID\tseq_num\ttxq_id\tframes\ttfds\t");
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pos +=
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scnprintf(buf + pos, bufsz - pos,
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"start_idx\tbitmap\t\t\trate_n_flags\n");
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|
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for (j = 0; j < MAX_TID_COUNT; j++) {
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pos +=
|
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scnprintf(buf + pos, bufsz - pos,
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"%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
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j, station->tid[j].seq_number,
|
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station->tid[j].agg.txq_id,
|
|
station->tid[j].agg.frame_count,
|
|
station->tid[j].tfds_in_queue,
|
|
station->tid[j].agg.start_idx,
|
|
station->tid[j].agg.bitmap,
|
|
station->tid[j].agg.rate_n_flags);
|
|
|
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if (station->tid[j].agg.wait_for_ba)
|
|
pos +=
|
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scnprintf(buf + pos, bufsz - pos,
|
|
" - waitforba");
|
|
pos += scnprintf(buf + pos, bufsz - pos, "\n");
|
|
}
|
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|
|
pos += scnprintf(buf + pos, bufsz - pos, "\n");
|
|
}
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_nvm_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
ssize_t ret;
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0, ofs = 0, buf_size = 0;
|
|
const u8 *ptr;
|
|
char *buf;
|
|
u16 eeprom_ver;
|
|
size_t eeprom_len = il->cfg->eeprom_size;
|
|
buf_size = 4 * eeprom_len + 256;
|
|
|
|
if (eeprom_len % 16) {
|
|
IL_ERR("NVM size is not multiple of 16.\n");
|
|
return -ENODATA;
|
|
}
|
|
|
|
ptr = il->eeprom;
|
|
if (!ptr) {
|
|
IL_ERR("Invalid EEPROM memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* 4 characters for byte 0xYY */
|
|
buf = kzalloc(buf_size, GFP_KERNEL);
|
|
if (!buf) {
|
|
IL_ERR("Can not allocate Buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
|
|
pos +=
|
|
scnprintf(buf + pos, buf_size - pos, "EEPROM " "version: 0x%x\n",
|
|
eeprom_ver);
|
|
for (ofs = 0; ofs < eeprom_len; ofs += 16) {
|
|
pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n",
|
|
ofs, ptr + ofs);
|
|
}
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
struct ieee80211_channel *channels = NULL;
|
|
const struct ieee80211_supported_band *supp_band = NULL;
|
|
int pos = 0, i, bufsz = PAGE_SIZE;
|
|
char *buf;
|
|
ssize_t ret;
|
|
|
|
if (!test_bit(S_GEO_CONFIGURED, &il->status))
|
|
return -EAGAIN;
|
|
|
|
buf = kzalloc(bufsz, GFP_KERNEL);
|
|
if (!buf) {
|
|
IL_ERR("Can not allocate Buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
supp_band = il_get_hw_mode(il, NL80211_BAND_2GHZ);
|
|
if (supp_band) {
|
|
channels = supp_band->channels;
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"Displaying %d channels in 2.4GHz band 802.11bg):\n",
|
|
supp_band->n_channels);
|
|
|
|
for (i = 0; i < supp_band->n_channels; i++)
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"%d: %ddBm: BSS%s%s, %s.\n",
|
|
channels[i].hw_value,
|
|
channels[i].max_power,
|
|
channels[i].
|
|
flags & IEEE80211_CHAN_RADAR ?
|
|
" (IEEE 802.11h required)" : "",
|
|
((channels[i].
|
|
flags & IEEE80211_CHAN_NO_IR) ||
|
|
(channels[i].
|
|
flags & IEEE80211_CHAN_RADAR)) ? "" :
|
|
", IBSS",
|
|
channels[i].
|
|
flags & IEEE80211_CHAN_NO_IR ?
|
|
"passive only" : "active/passive");
|
|
}
|
|
supp_band = il_get_hw_mode(il, NL80211_BAND_5GHZ);
|
|
if (supp_band) {
|
|
channels = supp_band->channels;
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"Displaying %d channels in 5.2GHz band (802.11a)\n",
|
|
supp_band->n_channels);
|
|
|
|
for (i = 0; i < supp_band->n_channels; i++)
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"%d: %ddBm: BSS%s%s, %s.\n",
|
|
channels[i].hw_value,
|
|
channels[i].max_power,
|
|
channels[i].
|
|
flags & IEEE80211_CHAN_RADAR ?
|
|
" (IEEE 802.11h required)" : "",
|
|
((channels[i].
|
|
flags & IEEE80211_CHAN_NO_IR) ||
|
|
(channels[i].
|
|
flags & IEEE80211_CHAN_RADAR)) ? "" :
|
|
", IBSS",
|
|
channels[i].
|
|
flags & IEEE80211_CHAN_NO_IR ?
|
|
"passive only" : "active/passive");
|
|
}
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_status_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
char buf[512];
|
|
int pos = 0;
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_HCMD_ACTIVE:\t %d\n",
|
|
test_bit(S_HCMD_ACTIVE, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_INT_ENABLED:\t %d\n",
|
|
test_bit(S_INT_ENABLED, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_RFKILL:\t %d\n",
|
|
test_bit(S_RFKILL, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_CT_KILL:\t\t %d\n",
|
|
test_bit(S_CT_KILL, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_INIT:\t\t %d\n",
|
|
test_bit(S_INIT, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_ALIVE:\t\t %d\n",
|
|
test_bit(S_ALIVE, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_READY:\t\t %d\n",
|
|
test_bit(S_READY, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_TEMPERATURE:\t %d\n",
|
|
test_bit(S_TEMPERATURE, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_GEO_CONFIGURED:\t %d\n",
|
|
test_bit(S_GEO_CONFIGURED, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_EXIT_PENDING:\t %d\n",
|
|
test_bit(S_EXIT_PENDING, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_STATS:\t %d\n",
|
|
test_bit(S_STATS, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_SCANNING:\t %d\n",
|
|
test_bit(S_SCANNING, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_SCAN_ABORTING:\t %d\n",
|
|
test_bit(S_SCAN_ABORTING, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_SCAN_HW:\t\t %d\n",
|
|
test_bit(S_SCAN_HW, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_POWER_PMI:\t %d\n",
|
|
test_bit(S_POWER_PMI, &il->status));
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "S_FW_ERROR:\t %d\n",
|
|
test_bit(S_FW_ERROR, &il->status));
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_interrupt_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0;
|
|
int cnt = 0;
|
|
char *buf;
|
|
int bufsz = 24 * 64; /* 24 items * 64 char per item */
|
|
ssize_t ret;
|
|
|
|
buf = kzalloc(bufsz, GFP_KERNEL);
|
|
if (!buf) {
|
|
IL_ERR("Can not allocate Buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Interrupt Statistics Report:\n");
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
|
|
il->isr_stats.hw);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
|
|
il->isr_stats.sw);
|
|
if (il->isr_stats.sw || il->isr_stats.hw) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"\tLast Restarting Code: 0x%X\n",
|
|
il->isr_stats.err_code);
|
|
}
|
|
#ifdef CONFIG_IWLEGACY_DEBUG
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
|
|
il->isr_stats.sch);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
|
|
il->isr_stats.alive);
|
|
#endif
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"HW RF KILL switch toggled:\t %u\n",
|
|
il->isr_stats.rfkill);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
|
|
il->isr_stats.ctkill);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
|
|
il->isr_stats.wakeup);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Rx command responses:\t\t %u\n",
|
|
il->isr_stats.rx);
|
|
for (cnt = 0; cnt < IL_CN_MAX; cnt++) {
|
|
if (il->isr_stats.handlers[cnt] > 0)
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"\tRx handler[%36s]:\t\t %u\n",
|
|
il_get_cmd_string(cnt),
|
|
il->isr_stats.handlers[cnt]);
|
|
}
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
|
|
il->isr_stats.tx);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
|
|
il->isr_stats.unhandled);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_interrupt_write(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char buf[8];
|
|
int buf_size;
|
|
u32 reset_flag;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
buf_size = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, buf_size))
|
|
return -EFAULT;
|
|
if (sscanf(buf, "%x", &reset_flag) != 1)
|
|
return -EFAULT;
|
|
if (reset_flag == 0)
|
|
il_clear_isr_stats(il);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_qos_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0, i;
|
|
char buf[256];
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
for (i = 0; i < AC_NUM; i++) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"\tcw_min\tcw_max\taifsn\ttxop\n");
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"AC[%d]\t%u\t%u\t%u\t%u\n", i,
|
|
il->qos_data.def_qos_parm.ac[i].cw_min,
|
|
il->qos_data.def_qos_parm.ac[i].cw_max,
|
|
il->qos_data.def_qos_parm.ac[i].aifsn,
|
|
il->qos_data.def_qos_parm.ac[i].edca_txop);
|
|
}
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_disable_ht40_write(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char buf[8];
|
|
int buf_size;
|
|
int ht40;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
buf_size = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, buf_size))
|
|
return -EFAULT;
|
|
if (sscanf(buf, "%d", &ht40) != 1)
|
|
return -EFAULT;
|
|
if (!il_is_any_associated(il))
|
|
il->disable_ht40 = ht40 ? true : false;
|
|
else {
|
|
IL_ERR("Sta associated with AP - "
|
|
"Change to 40MHz channel support is not allowed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_disable_ht40_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char buf[100];
|
|
int pos = 0;
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "11n 40MHz Mode: %s\n",
|
|
il->disable_ht40 ? "Disabled" : "Enabled");
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
DEBUGFS_READ_WRITE_FILE_OPS(sram);
|
|
DEBUGFS_READ_FILE_OPS(nvm);
|
|
DEBUGFS_READ_FILE_OPS(stations);
|
|
DEBUGFS_READ_FILE_OPS(channels);
|
|
DEBUGFS_READ_FILE_OPS(status);
|
|
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
|
|
DEBUGFS_READ_FILE_OPS(qos);
|
|
DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
|
|
|
|
static ssize_t
|
|
il_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
struct il_tx_queue *txq;
|
|
struct il_queue *q;
|
|
char *buf;
|
|
int pos = 0;
|
|
int cnt;
|
|
int ret;
|
|
const size_t bufsz =
|
|
sizeof(char) * 64 * il->cfg->num_of_queues;
|
|
|
|
if (!il->txq) {
|
|
IL_ERR("txq not ready\n");
|
|
return -EAGAIN;
|
|
}
|
|
buf = kzalloc(bufsz, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) {
|
|
txq = &il->txq[cnt];
|
|
q = &txq->q;
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"hwq %.2d: read=%u write=%u stop=%d"
|
|
" swq_id=%#.2x (ac %d/hwq %d)\n", cnt,
|
|
q->read_ptr, q->write_ptr,
|
|
!!test_bit(cnt, il->queue_stopped),
|
|
txq->swq_id, txq->swq_id & 3,
|
|
(txq->swq_id >> 2) & 0x1f);
|
|
if (cnt >= 4)
|
|
continue;
|
|
/* for the ACs, display the stop count too */
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
" stop-count: %d\n",
|
|
atomic_read(&il->queue_stop_count[cnt]));
|
|
}
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_rx_queue_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
struct il_rx_queue *rxq = &il->rxq;
|
|
char buf[256];
|
|
int pos = 0;
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", rxq->read);
|
|
pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", rxq->write);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
|
|
rxq->free_count);
|
|
if (rxq->rb_stts) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
|
|
le16_to_cpu(rxq->rb_stts->
|
|
closed_rb_num) & 0x0FFF);
|
|
} else {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"closed_rb_num: Not Allocated\n");
|
|
}
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_ucode_rx_stats_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
|
|
return il->debugfs_ops->rx_stats_read(file, user_buf, count, ppos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_ucode_tx_stats_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
|
|
return il->debugfs_ops->tx_stats_read(file, user_buf, count, ppos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_ucode_general_stats_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
|
|
return il->debugfs_ops->general_stats_read(file, user_buf, count, ppos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_sensitivity_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0;
|
|
int cnt = 0;
|
|
char *buf;
|
|
int bufsz = sizeof(struct il_sensitivity_data) * 4 + 100;
|
|
ssize_t ret;
|
|
struct il_sensitivity_data *data;
|
|
|
|
data = &il->sensitivity_data;
|
|
buf = kzalloc(bufsz, GFP_KERNEL);
|
|
if (!buf) {
|
|
IL_ERR("Can not allocate Buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
|
|
data->auto_corr_ofdm);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc:\t\t %u\n",
|
|
data->auto_corr_ofdm_mrc);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
|
|
data->auto_corr_ofdm_x1);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc_x1:\t\t %u\n",
|
|
data->auto_corr_ofdm_mrc_x1);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
|
|
data->auto_corr_cck);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
|
|
data->auto_corr_cck_mrc);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"last_bad_plcp_cnt_ofdm:\t\t %u\n",
|
|
data->last_bad_plcp_cnt_ofdm);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
|
|
data->last_fa_cnt_ofdm);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "last_bad_plcp_cnt_cck:\t\t %u\n",
|
|
data->last_bad_plcp_cnt_cck);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
|
|
data->last_fa_cnt_cck);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
|
|
data->nrg_curr_state);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
|
|
data->nrg_prev_state);
|
|
pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
|
|
for (cnt = 0; cnt < 10; cnt++) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, " %u",
|
|
data->nrg_value[cnt]);
|
|
}
|
|
pos += scnprintf(buf + pos, bufsz - pos, "\n");
|
|
pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
|
|
for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, " %u",
|
|
data->nrg_silence_rssi[cnt]);
|
|
}
|
|
pos += scnprintf(buf + pos, bufsz - pos, "\n");
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
|
|
data->nrg_silence_ref);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
|
|
data->nrg_energy_idx);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
|
|
data->nrg_silence_idx);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
|
|
data->nrg_th_cck);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"nrg_auto_corr_silence_diff:\t %u\n",
|
|
data->nrg_auto_corr_silence_diff);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
|
|
data->num_in_cck_no_fa);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
|
|
data->nrg_th_ofdm);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_chain_noise_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0;
|
|
int cnt = 0;
|
|
char *buf;
|
|
int bufsz = sizeof(struct il_chain_noise_data) * 4 + 100;
|
|
ssize_t ret;
|
|
struct il_chain_noise_data *data;
|
|
|
|
data = &il->chain_noise_data;
|
|
buf = kzalloc(bufsz, GFP_KERNEL);
|
|
if (!buf) {
|
|
IL_ERR("Can not allocate Buffer\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
|
|
data->active_chains);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
|
|
data->chain_noise_a);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
|
|
data->chain_noise_b);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
|
|
data->chain_noise_c);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
|
|
data->chain_signal_a);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
|
|
data->chain_signal_b);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
|
|
data->chain_signal_c);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
|
|
data->beacon_count);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
|
|
for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, " %u",
|
|
data->disconn_array[cnt]);
|
|
}
|
|
pos += scnprintf(buf + pos, bufsz - pos, "\n");
|
|
pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
|
|
for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, " %u",
|
|
data->delta_gain_code[cnt]);
|
|
}
|
|
pos += scnprintf(buf + pos, bufsz - pos, "\n");
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
|
|
data->radio_write);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
|
|
data->state);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_power_save_status_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char buf[60];
|
|
int pos = 0;
|
|
const size_t bufsz = sizeof(buf);
|
|
u32 pwrsave_status;
|
|
|
|
pwrsave_status =
|
|
_il_rd(il, CSR_GP_CNTRL) & CSR_GP_REG_POWER_SAVE_STATUS_MSK;
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "%s\n",
|
|
(pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
|
|
(pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
|
|
(pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
|
|
"error");
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_clear_ucode_stats_write(struct file *file,
|
|
const char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char buf[8];
|
|
int buf_size;
|
|
int clear;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
buf_size = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, buf_size))
|
|
return -EFAULT;
|
|
if (sscanf(buf, "%d", &clear) != 1)
|
|
return -EFAULT;
|
|
|
|
/* make request to uCode to retrieve stats information */
|
|
mutex_lock(&il->mutex);
|
|
il_send_stats_request(il, CMD_SYNC, true);
|
|
mutex_unlock(&il->mutex);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_rxon_flags_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int len = 0;
|
|
char buf[20];
|
|
|
|
len = sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.flags));
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_rxon_filter_flags_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int len = 0;
|
|
char buf[20];
|
|
|
|
len =
|
|
sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.filter_flags));
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_fh_reg_read(struct file *file, char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char *buf;
|
|
int pos = 0;
|
|
ssize_t ret = -EFAULT;
|
|
|
|
if (il->ops->dump_fh) {
|
|
ret = pos = il->ops->dump_fh(il, &buf, true);
|
|
if (buf) {
|
|
ret =
|
|
simple_read_from_buffer(user_buf, count, ppos, buf,
|
|
pos);
|
|
kfree(buf);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_missed_beacon_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0;
|
|
char buf[12];
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "%d\n",
|
|
il->missed_beacon_threshold);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_missed_beacon_write(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct il_priv *il = file->private_data;
|
|
char buf[8];
|
|
int buf_size;
|
|
int missed;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
buf_size = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, buf_size))
|
|
return -EFAULT;
|
|
if (sscanf(buf, "%d", &missed) != 1)
|
|
return -EINVAL;
|
|
|
|
if (missed < IL_MISSED_BEACON_THRESHOLD_MIN ||
|
|
missed > IL_MISSED_BEACON_THRESHOLD_MAX)
|
|
il->missed_beacon_threshold = IL_MISSED_BEACON_THRESHOLD_DEF;
|
|
else
|
|
il->missed_beacon_threshold = missed;
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_force_reset_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
int pos = 0;
|
|
char buf[300];
|
|
const size_t bufsz = sizeof(buf);
|
|
struct il_force_reset *force_reset;
|
|
|
|
force_reset = &il->force_reset;
|
|
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "\tnumber of reset request: %d\n",
|
|
force_reset->reset_request_count);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"\tnumber of reset request success: %d\n",
|
|
force_reset->reset_success_count);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos,
|
|
"\tnumber of reset request reject: %d\n",
|
|
force_reset->reset_reject_count);
|
|
pos +=
|
|
scnprintf(buf + pos, bufsz - pos, "\treset duration: %lu\n",
|
|
force_reset->reset_duration);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_force_reset_write(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
int ret;
|
|
struct il_priv *il = file->private_data;
|
|
|
|
ret = il_force_reset(il, true);
|
|
|
|
return ret ? ret : count;
|
|
}
|
|
|
|
static ssize_t
|
|
il_dbgfs_wd_timeout_write(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
|
|
struct il_priv *il = file->private_data;
|
|
char buf[8];
|
|
int buf_size;
|
|
int timeout;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
buf_size = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, buf_size))
|
|
return -EFAULT;
|
|
if (sscanf(buf, "%d", &timeout) != 1)
|
|
return -EINVAL;
|
|
if (timeout < 0 || timeout > IL_MAX_WD_TIMEOUT)
|
|
timeout = IL_DEF_WD_TIMEOUT;
|
|
|
|
il->cfg->wd_timeout = timeout;
|
|
il_setup_watchdog(il);
|
|
return count;
|
|
}
|
|
|
|
DEBUGFS_READ_FILE_OPS(rx_stats);
|
|
DEBUGFS_READ_FILE_OPS(tx_stats);
|
|
DEBUGFS_READ_FILE_OPS(rx_queue);
|
|
DEBUGFS_READ_FILE_OPS(tx_queue);
|
|
DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
|
|
DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
|
|
DEBUGFS_READ_FILE_OPS(ucode_general_stats);
|
|
DEBUGFS_READ_FILE_OPS(sensitivity);
|
|
DEBUGFS_READ_FILE_OPS(chain_noise);
|
|
DEBUGFS_READ_FILE_OPS(power_save_status);
|
|
DEBUGFS_WRITE_FILE_OPS(clear_ucode_stats);
|
|
DEBUGFS_WRITE_FILE_OPS(clear_traffic_stats);
|
|
DEBUGFS_READ_FILE_OPS(fh_reg);
|
|
DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
|
|
DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
|
|
DEBUGFS_READ_FILE_OPS(rxon_flags);
|
|
DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
|
|
DEBUGFS_WRITE_FILE_OPS(wd_timeout);
|
|
|
|
/*
|
|
* Create the debugfs files and directories
|
|
*
|
|
*/
|
|
int
|
|
il_dbgfs_register(struct il_priv *il, const char *name)
|
|
{
|
|
struct dentry *phyd = il->hw->wiphy->debugfsdir;
|
|
struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
|
|
|
|
dir_drv = debugfs_create_dir(name, phyd);
|
|
if (!dir_drv)
|
|
return -ENOMEM;
|
|
|
|
il->debugfs_dir = dir_drv;
|
|
|
|
dir_data = debugfs_create_dir("data", dir_drv);
|
|
if (!dir_data)
|
|
goto err;
|
|
dir_rf = debugfs_create_dir("rf", dir_drv);
|
|
if (!dir_rf)
|
|
goto err;
|
|
dir_debug = debugfs_create_dir("debug", dir_drv);
|
|
if (!dir_debug)
|
|
goto err;
|
|
|
|
DEBUGFS_ADD_FILE(nvm, dir_data, 0400);
|
|
DEBUGFS_ADD_FILE(sram, dir_data, 0600);
|
|
DEBUGFS_ADD_FILE(stations, dir_data, 0400);
|
|
DEBUGFS_ADD_FILE(channels, dir_data, 0400);
|
|
DEBUGFS_ADD_FILE(status, dir_data, 0400);
|
|
DEBUGFS_ADD_FILE(interrupt, dir_data, 0600);
|
|
DEBUGFS_ADD_FILE(qos, dir_data, 0400);
|
|
DEBUGFS_ADD_FILE(disable_ht40, dir_data, 0600);
|
|
DEBUGFS_ADD_FILE(rx_stats, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(tx_stats, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(rx_queue, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(tx_queue, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(power_save_status, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(clear_ucode_stats, dir_debug, 0200);
|
|
DEBUGFS_ADD_FILE(clear_traffic_stats, dir_debug, 0200);
|
|
DEBUGFS_ADD_FILE(fh_reg, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(missed_beacon, dir_debug, 0200);
|
|
DEBUGFS_ADD_FILE(force_reset, dir_debug, 0600);
|
|
DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, 0400);
|
|
|
|
if (il->cfg->sensitivity_calib_by_driver)
|
|
DEBUGFS_ADD_FILE(sensitivity, dir_debug, 0400);
|
|
if (il->cfg->chain_noise_calib_by_driver)
|
|
DEBUGFS_ADD_FILE(chain_noise, dir_debug, 0400);
|
|
DEBUGFS_ADD_FILE(rxon_flags, dir_debug, 0200);
|
|
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, 0200);
|
|
DEBUGFS_ADD_FILE(wd_timeout, dir_debug, 0200);
|
|
if (il->cfg->sensitivity_calib_by_driver)
|
|
DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
|
|
&il->disable_sens_cal);
|
|
if (il->cfg->chain_noise_calib_by_driver)
|
|
DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
|
|
&il->disable_chain_noise_cal);
|
|
DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, &il->disable_tx_power_cal);
|
|
return 0;
|
|
|
|
err:
|
|
IL_ERR("Can't create the debugfs directory\n");
|
|
il_dbgfs_unregister(il);
|
|
return -ENOMEM;
|
|
}
|
|
EXPORT_SYMBOL(il_dbgfs_register);
|
|
|
|
/**
|
|
* Remove the debugfs files and directories
|
|
*
|
|
*/
|
|
void
|
|
il_dbgfs_unregister(struct il_priv *il)
|
|
{
|
|
if (!il->debugfs_dir)
|
|
return;
|
|
|
|
debugfs_remove_recursive(il->debugfs_dir);
|
|
il->debugfs_dir = NULL;
|
|
}
|
|
EXPORT_SYMBOL(il_dbgfs_unregister);
|