LXR linux/drivers/net/wireless/ath/carl9170/debug.h

   1/*
   2 * Atheros CARL9170 driver
   3 *
   4 * debug header
   5 *
   6 * Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; see the file COPYING.  If not, see
  20 * http://www.gnu.org/licenses/.
  21 *
  22 * This file incorporates work covered by the following copyright and
  23 * permission notice:
  24 *    Copyright (c) 2007-2008 Atheros Communications, Inc.
  25 *
  26 *    Permission to use, copy, modify, and/or distribute this software for any
  27 *    purpose with or without fee is hereby granted, provided that the above
  28 *    copyright notice and this permission notice appear in all copies.
  29 *
  30 *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  31 *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  32 *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  33 *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  34 *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  35 *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  36 *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  37 */
  38#ifndef __DEBUG_H
  39#define __DEBUG_H
  40
  41#include "eeprom.h"
  42#include "wlan.h"
  43#include "hw.h"
  44#include "fwdesc.h"
  45#include "fwcmd.h"
  46#include "../regd.h"
  47
  48struct hw_stat_reg_entry {
  49        u32 reg;
  50        char nreg[32];
  51};
  52
  53#define STAT_MAC_REG(reg)       \
  54        { (AR9170_MAC_REG_##reg), #reg }
  55
  56#define STAT_PTA_REG(reg)       \
  57        { (AR9170_PTA_REG_##reg), #reg }
  58
  59#define STAT_USB_REG(reg)       \
  60        { (AR9170_USB_REG_##reg), #reg }
  61
  62static const struct hw_stat_reg_entry hw_rx_tally_regs[] = {
  63        STAT_MAC_REG(RX_CRC32),         STAT_MAC_REG(RX_CRC16),
  64        STAT_MAC_REG(RX_TIMEOUT_COUNT), STAT_MAC_REG(RX_ERR_DECRYPTION_UNI),
  65        STAT_MAC_REG(RX_ERR_DECRYPTION_MUL), STAT_MAC_REG(RX_MPDU),
  66        STAT_MAC_REG(RX_DROPPED_MPDU),  STAT_MAC_REG(RX_DEL_MPDU),
  67};
  68
  69static const struct hw_stat_reg_entry hw_phy_errors_regs[] = {
  70        STAT_MAC_REG(RX_PHY_MISC_ERROR), STAT_MAC_REG(RX_PHY_XR_ERROR),
  71        STAT_MAC_REG(RX_PHY_OFDM_ERROR), STAT_MAC_REG(RX_PHY_CCK_ERROR),
  72        STAT_MAC_REG(RX_PHY_HT_ERROR), STAT_MAC_REG(RX_PHY_TOTAL),
  73};
  74
  75static const struct hw_stat_reg_entry hw_tx_tally_regs[] = {
  76        STAT_MAC_REG(TX_TOTAL),         STAT_MAC_REG(TX_UNDERRUN),
  77        STAT_MAC_REG(TX_RETRY),
  78};
  79
  80static const struct hw_stat_reg_entry hw_wlan_queue_regs[] = {
  81        STAT_MAC_REG(DMA_STATUS),       STAT_MAC_REG(DMA_TRIGGER),
  82        STAT_MAC_REG(DMA_TXQ0_ADDR),    STAT_MAC_REG(DMA_TXQ0_CURR_ADDR),
  83        STAT_MAC_REG(DMA_TXQ1_ADDR),    STAT_MAC_REG(DMA_TXQ1_CURR_ADDR),
  84        STAT_MAC_REG(DMA_TXQ2_ADDR),    STAT_MAC_REG(DMA_TXQ2_CURR_ADDR),
  85        STAT_MAC_REG(DMA_TXQ3_ADDR),    STAT_MAC_REG(DMA_TXQ3_CURR_ADDR),
  86        STAT_MAC_REG(DMA_RXQ_ADDR),     STAT_MAC_REG(DMA_RXQ_CURR_ADDR),
  87};
  88
  89static const struct hw_stat_reg_entry hw_ampdu_info_regs[] = {
  90        STAT_MAC_REG(AMPDU_DENSITY),    STAT_MAC_REG(AMPDU_FACTOR),
  91};
  92
  93static const struct hw_stat_reg_entry hw_pta_queue_regs[] = {
  94        STAT_PTA_REG(DN_CURR_ADDRH),    STAT_PTA_REG(DN_CURR_ADDRL),
  95        STAT_PTA_REG(UP_CURR_ADDRH),    STAT_PTA_REG(UP_CURR_ADDRL),
  96        STAT_PTA_REG(DMA_STATUS),       STAT_PTA_REG(DMA_MODE_CTRL),
  97};
  98
  99#define DEFINE_TALLY(name)                                      \
 100        u32 name##_sum[ARRAY_SIZE(name##_regs)],                \
 101            name##_counter[ARRAY_SIZE(name##_regs)]             \
 102
 103#define DEFINE_STAT(name)                                       \
 104        u32 name##_counter[ARRAY_SIZE(name##_regs)]             \
 105
 106struct ath_stats {
 107        DEFINE_TALLY(hw_tx_tally);
 108        DEFINE_TALLY(hw_rx_tally);
 109        DEFINE_TALLY(hw_phy_errors);
 110        DEFINE_STAT(hw_wlan_queue);
 111        DEFINE_STAT(hw_pta_queue);
 112        DEFINE_STAT(hw_ampdu_info);
 113};
 114
 115struct carl9170_debug_mem_rbe {
 116        u32 reg;
 117        u32 value;
 118};
 119
 120#define CARL9170_DEBUG_RING_SIZE                        64
 121
 122struct carl9170_debug {
 123        struct ath_stats stats;
 124        struct carl9170_debug_mem_rbe ring[CARL9170_DEBUG_RING_SIZE];
 125        struct mutex ring_lock;
 126        unsigned int ring_head, ring_tail;
 127        struct delayed_work update_tally;
 128};
 129
 130struct ar9170;
 131
 132void carl9170_debugfs_register(struct ar9170 *ar);
 133void carl9170_debugfs_unregister(struct ar9170 *ar);
 134#endif /* __DEBUG_H */
 135