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1379 lines
37 KiB
1379 lines
37 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/****************************************************************************** |
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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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* Contact Information: |
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* Intel Linux Wireless <[email protected]> |
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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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|
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#include "common.h" |
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|
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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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/* |
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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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|
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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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|
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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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|
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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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debugfs_create_file(#name, mode, parent, il, \ |
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&il_dbgfs_##name##_ops); \ |
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} while (0) |
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|
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#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ |
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debugfs_create_bool(#name, 0600, parent, ptr); \ |
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} while (0) |
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|
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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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|
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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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|
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|
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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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|
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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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|
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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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|
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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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} |
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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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} |
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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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|
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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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|
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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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|
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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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|
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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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|
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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_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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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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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|
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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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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, |
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station->tid[j].agg.frame_count, |
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station->tid[j].tfds_in_queue, |
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station->tid[j].agg.start_idx, |
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station->tid[j].agg.bitmap, |
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station->tid[j].agg.rate_n_flags); |
|
|
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if (station->tid[j].agg.wait_for_ba) |
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pos += |
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scnprintf(buf + pos, bufsz - pos, |
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" - waitforba"); |
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pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
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} |
|
|
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pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
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} |
|
|
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
|
kfree(buf); |
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return ret; |
|
} |
|
|
|
static ssize_t |
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il_dbgfs_nvm_read(struct file *file, char __user *user_buf, size_t count, |
|
loff_t *ppos) |
|
{ |
|
ssize_t ret; |
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struct il_priv *il = file->private_data; |
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int pos = 0, ofs = 0, buf_size = 0; |
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const u8 *ptr; |
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char *buf; |
|
u16 eeprom_ver; |
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size_t eeprom_len = il->cfg->eeprom_size; |
|
buf_size = 4 * eeprom_len + 256; |
|
|
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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); |
|
} |
|
|
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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); |
|
|
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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 |
|
* |
|
*/ |
|
void |
|
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); |
|
il->debugfs_dir = dir_drv; |
|
|
|
dir_data = debugfs_create_dir("data", dir_drv); |
|
dir_rf = debugfs_create_dir("rf", dir_drv); |
|
dir_debug = debugfs_create_dir("debug", dir_drv); |
|
|
|
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); |
|
} |
|
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);
|
|
|