| 1 | |
| 2 | * Copyright (c) 2007-2008 Bruno Randolf <[email protected]>
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| 3 | *
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| 4 | * This file is free software: you may copy, redistribute and/or modify it
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| 5 | * under the terms of the GNU General Public License as published by the
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| 6 | * Free Software Foundation, either version 2 of the License, or (at your
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| 7 | * option) any later version.
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| 8 | *
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| 9 | * This file is distributed in the hope that it will be useful, but
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| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | * General Public License for more details.
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| 13 | *
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| 14 | * You should have received a copy of the GNU General Public License
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| 15 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 16 | *
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| 17 | *
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| 18 | * This file incorporates work covered by the following copyright and
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| 19 | * permission notice:
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| 20 | *
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| 21 | * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
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| 22 | * Copyright (c) 2004-2005 Atheros Communications, Inc.
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| 23 | * Copyright (c) 2006 Devicescape Software, Inc.
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| 24 | * Copyright (c) 2007 Jiri Slaby <[email protected]>
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| 25 | * Copyright (c) 2007 Luis R. Rodriguez <[email protected]>
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| 26 | *
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| 27 | * All rights reserved.
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| 28 | *
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| 29 | * Redistribution and use in source and binary forms, with or without
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| 30 | * modification, are permitted provided that the following conditions
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| 31 | * are met:
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| 32 | * 1. Redistributions of source code must retain the above copyright
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| 33 | * notice, this list of conditions and the following disclaimer,
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| 34 | * without modification.
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| 35 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer
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| 36 | * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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| 37 | * redistribution must be conditioned upon including a substantially
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| 38 | * similar Disclaimer requirement for further binary redistribution.
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| 39 | * 3. Neither the names of the above-listed copyright holders nor the names
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| 40 | * of any contributors may be used to endorse or promote products derived
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| 41 | * from this software without specific prior written permission.
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| 42 | *
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| 43 | * Alternatively, this software may be distributed under the terms of the
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| 44 | * GNU General Public License ("GPL") version 2 as published by the Free
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| 45 | * Software Foundation.
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| 46 | *
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| 47 | * NO WARRANTY
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| 48 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 49 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 50 | * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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| 51 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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| 52 | * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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| 53 | * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 54 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 55 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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| 56 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 57 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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| 58 | * THE POSSIBILITY OF SUCH DAMAGES.
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| 59 |
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| 60 |
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| 61 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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| 62 |
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| 63 | #include <linux/export.h>
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| 64 | #include <linux/moduleparam.h>
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| 65 | #include <linux/vmalloc.h>
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| 66 |
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| 67 | #include <linux/seq_file.h>
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| 68 | #include <linux/list.h>
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| 69 | #include "debug.h"
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| 70 | #include "ath5k.h"
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| 71 | #include "reg.h"
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| 72 | #include "base.h"
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| 73 |
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| 74 | static unsigned int ath5k_debug;
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| 75 | module_param_named(debug, ath5k_debug, uint, 0);
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| 76 |
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| 77 |
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| 78 |
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| 79 |
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| 80 | struct reg {
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| 81 | const char *name;
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| 82 | int addr;
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| 83 | };
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| 84 |
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| 85 | #define REG_STRUCT_INIT(r) { #r, r }
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| 86 |
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| 87 |
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| 88 | static const struct reg regs[] = {
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| 89 | REG_STRUCT_INIT(AR5K_CR),
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| 90 | REG_STRUCT_INIT(AR5K_RXDP),
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| 91 | REG_STRUCT_INIT(AR5K_CFG),
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| 92 | REG_STRUCT_INIT(AR5K_IER),
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| 93 | REG_STRUCT_INIT(AR5K_BCR),
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| 94 | REG_STRUCT_INIT(AR5K_RTSD0),
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| 95 | REG_STRUCT_INIT(AR5K_RTSD1),
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| 96 | REG_STRUCT_INIT(AR5K_TXCFG),
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| 97 | REG_STRUCT_INIT(AR5K_RXCFG),
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| 98 | REG_STRUCT_INIT(AR5K_RXJLA),
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| 99 | REG_STRUCT_INIT(AR5K_MIBC),
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| 100 | REG_STRUCT_INIT(AR5K_TOPS),
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| 101 | REG_STRUCT_INIT(AR5K_RXNOFRM),
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| 102 | REG_STRUCT_INIT(AR5K_TXNOFRM),
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| 103 | REG_STRUCT_INIT(AR5K_RPGTO),
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| 104 | REG_STRUCT_INIT(AR5K_RFCNT),
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| 105 | REG_STRUCT_INIT(AR5K_MISC),
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| 106 | REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
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| 107 | REG_STRUCT_INIT(AR5K_ISR),
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| 108 | REG_STRUCT_INIT(AR5K_PISR),
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| 109 | REG_STRUCT_INIT(AR5K_SISR0),
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| 110 | REG_STRUCT_INIT(AR5K_SISR1),
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| 111 | REG_STRUCT_INIT(AR5K_SISR2),
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| 112 | REG_STRUCT_INIT(AR5K_SISR3),
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| 113 | REG_STRUCT_INIT(AR5K_SISR4),
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| 114 | REG_STRUCT_INIT(AR5K_IMR),
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| 115 | REG_STRUCT_INIT(AR5K_PIMR),
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| 116 | REG_STRUCT_INIT(AR5K_SIMR0),
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| 117 | REG_STRUCT_INIT(AR5K_SIMR1),
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| 118 | REG_STRUCT_INIT(AR5K_SIMR2),
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| 119 | REG_STRUCT_INIT(AR5K_SIMR3),
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| 120 | REG_STRUCT_INIT(AR5K_SIMR4),
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| 121 | REG_STRUCT_INIT(AR5K_DCM_ADDR),
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| 122 | REG_STRUCT_INIT(AR5K_DCCFG),
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| 123 | REG_STRUCT_INIT(AR5K_CCFG),
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| 124 | REG_STRUCT_INIT(AR5K_CPC0),
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| 125 | REG_STRUCT_INIT(AR5K_CPC1),
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| 126 | REG_STRUCT_INIT(AR5K_CPC2),
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| 127 | REG_STRUCT_INIT(AR5K_CPC3),
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| 128 | REG_STRUCT_INIT(AR5K_CPCOVF),
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| 129 | REG_STRUCT_INIT(AR5K_RESET_CTL),
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| 130 | REG_STRUCT_INIT(AR5K_SLEEP_CTL),
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| 131 | REG_STRUCT_INIT(AR5K_INTPEND),
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| 132 | REG_STRUCT_INIT(AR5K_SFR),
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| 133 | REG_STRUCT_INIT(AR5K_PCICFG),
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| 134 | REG_STRUCT_INIT(AR5K_GPIOCR),
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| 135 | REG_STRUCT_INIT(AR5K_GPIODO),
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| 136 | REG_STRUCT_INIT(AR5K_SREV),
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| 137 | };
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| 138 |
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| 139 | static void *reg_start(struct seq_file *seq, loff_t *pos)
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| 140 | {
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| 141 | return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
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| 142 | }
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| 143 |
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| 144 | static void reg_stop(struct seq_file *seq, void *p)
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| 145 | {
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| 146 |
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| 147 | }
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| 148 |
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| 149 | static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
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| 150 | {
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| 151 | ++*pos;
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| 152 | return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
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| 153 | }
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| 154 |
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| 155 | static int reg_show(struct seq_file *seq, void *p)
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| 156 | {
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| 157 | struct ath5k_hw *ah = seq->private;
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| 158 | struct reg *r = p;
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| 159 | seq_printf(seq, "%-25s0x%08x\n", r->name,
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| 160 | ath5k_hw_reg_read(ah, r->addr));
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| 161 | return 0;
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| 162 | }
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| 163 |
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| 164 | static const struct seq_operations registers_sops = {
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| 165 | .start = reg_start,
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| 166 | .next = reg_next,
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| 167 | .stop = reg_stop,
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| 168 | .show = reg_show
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| 169 | };
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| 170 |
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| 171 | DEFINE_SEQ_ATTRIBUTE(registers);
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| 172 |
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| 173 |
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| 174 |
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| 175 | static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
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| 176 | size_t count, loff_t *ppos)
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| 177 | {
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| 178 | struct ath5k_hw *ah = file->private_data;
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| 179 | char buf[500];
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| 180 | unsigned int len = 0;
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| 181 | unsigned int v;
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| 182 | u64 tsf;
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| 183 |
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| 184 | v = ath5k_hw_reg_read(ah, AR5K_BEACON);
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| 185 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 186 | "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n",
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| 187 | "AR5K_BEACON", v, v & AR5K_BEACON_PERIOD,
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| 188 | (v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
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| 189 |
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| 190 | len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
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| 191 | "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
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| 192 |
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| 193 | len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n\n",
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| 194 | "AR5K_BEACON_CNT", ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
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| 195 |
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| 196 | v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
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| 197 | len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
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| 198 | "AR5K_TIMER0 (TBTT)", v, v);
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| 199 |
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| 200 | v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
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| 201 | len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
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| 202 | "AR5K_TIMER1 (DMA)", v, v >> 3);
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| 203 |
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| 204 | v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
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| 205 | len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
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| 206 | "AR5K_TIMER2 (SWBA)", v, v >> 3);
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| 207 |
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| 208 | v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
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| 209 | len += scnprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
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| 210 | "AR5K_TIMER3 (ATIM)", v, v);
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| 211 |
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| 212 | tsf = ath5k_hw_get_tsf64(ah);
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| 213 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 214 | "TSF\t\t0x%016llx\tTU: %08x\n",
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| 215 | (unsigned long long)tsf, TSF_TO_TU(tsf));
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| 216 |
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| 217 | if (len > sizeof(buf))
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| 218 | len = sizeof(buf);
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| 219 |
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| 220 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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| 221 | }
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| 222 |
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| 223 | static ssize_t write_file_beacon(struct file *file,
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| 224 | const char __user *userbuf,
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| 225 | size_t count, loff_t *ppos)
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| 226 | {
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| 227 | struct ath5k_hw *ah = file->private_data;
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| 228 | char buf[20];
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| 229 |
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| 230 | count = min_t(size_t, count, sizeof(buf) - 1);
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| 231 | if (copy_from_user(buf, userbuf, count))
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| 232 | return -EFAULT;
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| 233 |
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| 234 | buf[count] = '\0';
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| 235 | if (strncmp(buf, "disable", 7) == 0) {
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| 236 | AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
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| 237 | pr_info("debugfs disable beacons\n");
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| 238 | } else if (strncmp(buf, "enable", 6) == 0) {
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| 239 | AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
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| 240 | pr_info("debugfs enable beacons\n");
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| 241 | }
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| 242 | return count;
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| 243 | }
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| 244 |
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| 245 | static const struct file_operations fops_beacon = {
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| 246 | .read = read_file_beacon,
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| 247 | .write = write_file_beacon,
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| 248 | .open = simple_open,
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| 249 | .owner = THIS_MODULE,
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| 250 | .llseek = default_llseek,
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| 251 | };
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| 252 |
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| 253 |
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| 254 |
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| 255 |
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| 256 | static ssize_t write_file_reset(struct file *file,
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| 257 | const char __user *userbuf,
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| 258 | size_t count, loff_t *ppos)
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| 259 | {
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| 260 | struct ath5k_hw *ah = file->private_data;
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| 261 | ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n");
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| 262 | ieee80211_queue_work(ah->hw, &ah->reset_work);
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| 263 | return count;
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| 264 | }
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| 265 |
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| 266 | static const struct file_operations fops_reset = {
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| 267 | .write = write_file_reset,
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| 268 | .open = simple_open,
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| 269 | .owner = THIS_MODULE,
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| 270 | .llseek = noop_llseek,
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| 271 | };
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| 272 |
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| 273 |
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| 274 |
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| 275 |
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| 276 | static const struct {
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| 277 | enum ath5k_debug_level level;
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| 278 | const char *name;
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| 279 | const char *desc;
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| 280 | } dbg_info[] = {
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| 281 | { ATH5K_DEBUG_RESET, "reset", "reset and initialization" },
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| 282 | { ATH5K_DEBUG_INTR, "intr", "interrupt handling" },
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| 283 | { ATH5K_DEBUG_MODE, "mode", "mode init/setup" },
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| 284 | { ATH5K_DEBUG_XMIT, "xmit", "basic xmit operation" },
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| 285 | { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" },
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| 286 | { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" },
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| 287 | { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" },
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| 288 | { ATH5K_DEBUG_LED, "led", "LED management" },
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| 289 | { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" },
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| 290 | { ATH5K_DEBUG_DMA, "dma", "dma start/stop" },
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| 291 | { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" },
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| 292 | { ATH5K_DEBUG_DESC, "desc", "descriptor chains" },
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| 293 | { ATH5K_DEBUG_ANY, "all", "show all debug levels" },
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| 294 | };
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| 295 |
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| 296 | static ssize_t read_file_debug(struct file *file, char __user *user_buf,
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| 297 | size_t count, loff_t *ppos)
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| 298 | {
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| 299 | struct ath5k_hw *ah = file->private_data;
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| 300 | char buf[700];
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| 301 | unsigned int len = 0;
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| 302 | unsigned int i;
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| 303 |
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| 304 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 305 | "DEBUG LEVEL: 0x%08x\n\n", ah->debug.level);
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| 306 |
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| 307 | for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
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| 308 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 309 | "%10s %c 0x%08x - %s\n", dbg_info[i].name,
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| 310 | ah->debug.level & dbg_info[i].level ? '+' : ' ',
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| 311 | dbg_info[i].level, dbg_info[i].desc);
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| 312 | }
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| 313 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 314 | "%10s %c 0x%08x - %s\n", dbg_info[i].name,
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| 315 | ah->debug.level == dbg_info[i].level ? '+' : ' ',
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| 316 | dbg_info[i].level, dbg_info[i].desc);
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| 317 |
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| 318 | if (len > sizeof(buf))
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| 319 | len = sizeof(buf);
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| 320 |
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| 321 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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| 322 | }
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| 323 |
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| 324 | static ssize_t write_file_debug(struct file *file,
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| 325 | const char __user *userbuf,
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| 326 | size_t count, loff_t *ppos)
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| 327 | {
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| 328 | struct ath5k_hw *ah = file->private_data;
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| 329 | unsigned int i;
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| 330 | char buf[20];
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| 331 |
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| 332 | count = min_t(size_t, count, sizeof(buf) - 1);
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| 333 | if (copy_from_user(buf, userbuf, count))
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| 334 | return -EFAULT;
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| 335 |
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| 336 | buf[count] = '\0';
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| 337 | for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
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| 338 | if (strncmp(buf, dbg_info[i].name,
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| 339 | strlen(dbg_info[i].name)) == 0) {
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| 340 | ah->debug.level ^= dbg_info[i].level;
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| 341 | break;
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| 342 | }
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| 343 | }
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| 344 | return count;
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| 345 | }
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| 346 |
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| 347 | static const struct file_operations fops_debug = {
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| 348 | .read = read_file_debug,
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| 349 | .write = write_file_debug,
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| 350 | .open = simple_open,
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| 351 | .owner = THIS_MODULE,
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| 352 | .llseek = default_llseek,
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| 353 | };
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| 354 |
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| 355 |
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| 356 |
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| 357 |
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| 358 | static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
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| 359 | size_t count, loff_t *ppos)
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| 360 | {
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| 361 | struct ath5k_hw *ah = file->private_data;
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| 362 | char buf[700];
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| 363 | unsigned int len = 0;
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| 364 | unsigned int i;
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| 365 | unsigned int v;
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| 366 |
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| 367 | len += scnprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
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| 368 | ah->ah_ant_mode);
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| 369 | len += scnprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
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| 370 | ah->ah_def_ant);
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| 371 | len += scnprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
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| 372 | ah->ah_tx_ant);
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| 373 |
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| 374 | len += scnprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
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| 375 | for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
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| 376 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 377 | "[antenna %d]\t%d\t%d\n",
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| 378 | i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
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| 379 | }
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| 380 | len += scnprintf(buf + len, sizeof(buf) - len, "[invalid]\t%d\t%d\n",
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| 381 | ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
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| 382 |
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| 383 | v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
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| 384 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 385 | "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
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| 386 |
|
| 387 | v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
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| 388 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 389 | "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
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| 390 | (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
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| 391 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 392 | "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
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| 393 | (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
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| 394 | len += scnprintf(buf + len, sizeof(buf) - len,
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| 395 | "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
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| 396 | (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
|
| 397 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 398 | "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
|
| 399 | (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
|
| 400 |
|
| 401 | v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
|
| 402 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 403 | "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
|
| 404 | (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
|
| 405 |
|
| 406 | v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
|
| 407 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 408 | "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
|
| 409 | (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
|
| 410 |
|
| 411 | v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
|
| 412 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 413 | "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
|
| 414 | (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
|
| 415 |
|
| 416 | v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
|
| 417 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 418 | "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v);
|
| 419 | v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
|
| 420 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 421 | "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v);
|
| 422 |
|
| 423 | if (len > sizeof(buf))
|
| 424 | len = sizeof(buf);
|
| 425 |
|
| 426 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
| 427 | }
|
| 428 |
|
| 429 | static ssize_t write_file_antenna(struct file *file,
|
| 430 | const char __user *userbuf,
|
| 431 | size_t count, loff_t *ppos)
|
| 432 | {
|
| 433 | struct ath5k_hw *ah = file->private_data;
|
| 434 | unsigned int i;
|
| 435 | char buf[20];
|
| 436 |
|
| 437 | count = min_t(size_t, count, sizeof(buf) - 1);
|
| 438 | if (copy_from_user(buf, userbuf, count))
|
| 439 | return -EFAULT;
|
| 440 |
|
| 441 | buf[count] = '\0';
|
| 442 | if (strncmp(buf, "diversity", 9) == 0) {
|
| 443 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
|
| 444 | pr_info("debug: enable diversity\n");
|
| 445 | } else if (strncmp(buf, "fixed-a", 7) == 0) {
|
| 446 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
|
| 447 | pr_info("debug: fixed antenna A\n");
|
| 448 | } else if (strncmp(buf, "fixed-b", 7) == 0) {
|
| 449 | ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
|
| 450 | pr_info("debug: fixed antenna B\n");
|
| 451 | } else if (strncmp(buf, "clear", 5) == 0) {
|
| 452 | for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
|
| 453 | ah->stats.antenna_rx[i] = 0;
|
| 454 | ah->stats.antenna_tx[i] = 0;
|
| 455 | }
|
| 456 | pr_info("debug: cleared antenna stats\n");
|
| 457 | }
|
| 458 | return count;
|
| 459 | }
|
| 460 |
|
| 461 | static const struct file_operations fops_antenna = {
|
| 462 | .read = read_file_antenna,
|
| 463 | .write = write_file_antenna,
|
| 464 | .open = simple_open,
|
| 465 | .owner = THIS_MODULE,
|
| 466 | .llseek = default_llseek,
|
| 467 | };
|
| 468 |
|
| 469 |
|
| 470 |
|
| 471 | static ssize_t read_file_misc(struct file *file, char __user *user_buf,
|
| 472 | size_t count, loff_t *ppos)
|
| 473 | {
|
| 474 | struct ath5k_hw *ah = file->private_data;
|
| 475 | char buf[700];
|
| 476 | unsigned int len = 0;
|
| 477 | u32 filt = ath5k_hw_get_rx_filter(ah);
|
| 478 |
|
| 479 | len += scnprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
|
| 480 | ah->bssidmask);
|
| 481 | len += scnprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
|
| 482 | filt);
|
| 483 | if (filt & AR5K_RX_FILTER_UCAST)
|
| 484 | len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
|
| 485 | if (filt & AR5K_RX_FILTER_MCAST)
|
| 486 | len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
|
| 487 | if (filt & AR5K_RX_FILTER_BCAST)
|
| 488 | len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
|
| 489 | if (filt & AR5K_RX_FILTER_CONTROL)
|
| 490 | len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
|
| 491 | if (filt & AR5K_RX_FILTER_BEACON)
|
| 492 | len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
|
| 493 | if (filt & AR5K_RX_FILTER_PROM)
|
| 494 | len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
|
| 495 | if (filt & AR5K_RX_FILTER_XRPOLL)
|
| 496 | len += scnprintf(buf + len, sizeof(buf) - len, " XRPOLL");
|
| 497 | if (filt & AR5K_RX_FILTER_PROBEREQ)
|
| 498 | len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
|
| 499 | if (filt & AR5K_RX_FILTER_PHYERR_5212)
|
| 500 | len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
|
| 501 | if (filt & AR5K_RX_FILTER_RADARERR_5212)
|
| 502 | len += scnprintf(buf + len, sizeof(buf) - len, " RADARERR-5212");
|
| 503 | if (filt & AR5K_RX_FILTER_PHYERR_5211)
|
| 504 | snprintf(buf + len, sizeof(buf) - len, " PHYERR-5211");
|
| 505 | if (filt & AR5K_RX_FILTER_RADARERR_5211)
|
| 506 | len += scnprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
|
| 507 |
|
| 508 | len += scnprintf(buf + len, sizeof(buf) - len, "\nopmode: %s (%d)\n",
|
| 509 | ath_opmode_to_string(ah->opmode), ah->opmode);
|
| 510 |
|
| 511 | if (len > sizeof(buf))
|
| 512 | len = sizeof(buf);
|
| 513 |
|
| 514 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
| 515 | }
|
| 516 |
|
| 517 | static const struct file_operations fops_misc = {
|
| 518 | .read = read_file_misc,
|
| 519 | .open = simple_open,
|
| 520 | .owner = THIS_MODULE,
|
| 521 | };
|
| 522 |
|
| 523 |
|
| 524 |
|
| 525 |
|
| 526 | static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
|
| 527 | size_t count, loff_t *ppos)
|
| 528 | {
|
| 529 | struct ath5k_hw *ah = file->private_data;
|
| 530 | struct ath5k_statistics *st = &ah->stats;
|
| 531 | char buf[700];
|
| 532 | unsigned int len = 0;
|
| 533 | int i;
|
| 534 |
|
| 535 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 536 | "RX\n---------------------\n");
|
| 537 | len += scnprintf(buf + len, sizeof(buf) - len, "CRC\t%u\t(%u%%)\n",
|
| 538 | st->rxerr_crc,
|
| 539 | st->rx_all_count > 0 ?
|
| 540 | st->rxerr_crc * 100 / st->rx_all_count : 0);
|
| 541 | len += scnprintf(buf + len, sizeof(buf) - len, "PHY\t%u\t(%u%%)\n",
|
| 542 | st->rxerr_phy,
|
| 543 | st->rx_all_count > 0 ?
|
| 544 | st->rxerr_phy * 100 / st->rx_all_count : 0);
|
| 545 | for (i = 0; i < 32; i++) {
|
| 546 | if (st->rxerr_phy_code[i])
|
| 547 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 548 | " phy_err[%u]\t%u\n",
|
| 549 | i, st->rxerr_phy_code[i]);
|
| 550 | }
|
| 551 |
|
| 552 | len += scnprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
|
| 553 | st->rxerr_fifo,
|
| 554 | st->rx_all_count > 0 ?
|
| 555 | st->rxerr_fifo * 100 / st->rx_all_count : 0);
|
| 556 | len += scnprintf(buf + len, sizeof(buf) - len, "decrypt\t%u\t(%u%%)\n",
|
| 557 | st->rxerr_decrypt,
|
| 558 | st->rx_all_count > 0 ?
|
| 559 | st->rxerr_decrypt * 100 / st->rx_all_count : 0);
|
| 560 | len += scnprintf(buf + len, sizeof(buf) - len, "MIC\t%u\t(%u%%)\n",
|
| 561 | st->rxerr_mic,
|
| 562 | st->rx_all_count > 0 ?
|
| 563 | st->rxerr_mic * 100 / st->rx_all_count : 0);
|
| 564 | len += scnprintf(buf + len, sizeof(buf) - len, "process\t%u\t(%u%%)\n",
|
| 565 | st->rxerr_proc,
|
| 566 | st->rx_all_count > 0 ?
|
| 567 | st->rxerr_proc * 100 / st->rx_all_count : 0);
|
| 568 | len += scnprintf(buf + len, sizeof(buf) - len, "jumbo\t%u\t(%u%%)\n",
|
| 569 | st->rxerr_jumbo,
|
| 570 | st->rx_all_count > 0 ?
|
| 571 | st->rxerr_jumbo * 100 / st->rx_all_count : 0);
|
| 572 | len += scnprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
|
| 573 | st->rx_all_count);
|
| 574 | len += scnprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
|
| 575 | st->rx_bytes_count);
|
| 576 |
|
| 577 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 578 | "\nTX\n---------------------\n");
|
| 579 | len += scnprintf(buf + len, sizeof(buf) - len, "retry\t%u\t(%u%%)\n",
|
| 580 | st->txerr_retry,
|
| 581 | st->tx_all_count > 0 ?
|
| 582 | st->txerr_retry * 100 / st->tx_all_count : 0);
|
| 583 | len += scnprintf(buf + len, sizeof(buf) - len, "FIFO\t%u\t(%u%%)\n",
|
| 584 | st->txerr_fifo,
|
| 585 | st->tx_all_count > 0 ?
|
| 586 | st->txerr_fifo * 100 / st->tx_all_count : 0);
|
| 587 | len += scnprintf(buf + len, sizeof(buf) - len, "filter\t%u\t(%u%%)\n",
|
| 588 | st->txerr_filt,
|
| 589 | st->tx_all_count > 0 ?
|
| 590 | st->txerr_filt * 100 / st->tx_all_count : 0);
|
| 591 | len += scnprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
|
| 592 | st->tx_all_count);
|
| 593 | len += scnprintf(buf + len, sizeof(buf) - len, "TX-all-bytes\t%u\n",
|
| 594 | st->tx_bytes_count);
|
| 595 |
|
| 596 | if (len > sizeof(buf))
|
| 597 | len = sizeof(buf);
|
| 598 |
|
| 599 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
| 600 | }
|
| 601 |
|
| 602 | static ssize_t write_file_frameerrors(struct file *file,
|
| 603 | const char __user *userbuf,
|
| 604 | size_t count, loff_t *ppos)
|
| 605 | {
|
| 606 | struct ath5k_hw *ah = file->private_data;
|
| 607 | struct ath5k_statistics *st = &ah->stats;
|
| 608 | char buf[20];
|
| 609 |
|
| 610 | count = min_t(size_t, count, sizeof(buf) - 1);
|
| 611 | if (copy_from_user(buf, userbuf, count))
|
| 612 | return -EFAULT;
|
| 613 |
|
| 614 | buf[count] = '\0';
|
| 615 | if (strncmp(buf, "clear", 5) == 0) {
|
| 616 | st->rxerr_crc = 0;
|
| 617 | st->rxerr_phy = 0;
|
| 618 | st->rxerr_fifo = 0;
|
| 619 | st->rxerr_decrypt = 0;
|
| 620 | st->rxerr_mic = 0;
|
| 621 | st->rxerr_proc = 0;
|
| 622 | st->rxerr_jumbo = 0;
|
| 623 | st->rx_all_count = 0;
|
| 624 | st->txerr_retry = 0;
|
| 625 | st->txerr_fifo = 0;
|
| 626 | st->txerr_filt = 0;
|
| 627 | st->tx_all_count = 0;
|
| 628 | pr_info("debug: cleared frameerrors stats\n");
|
| 629 | }
|
| 630 | return count;
|
| 631 | }
|
| 632 |
|
| 633 | static const struct file_operations fops_frameerrors = {
|
| 634 | .read = read_file_frameerrors,
|
| 635 | .write = write_file_frameerrors,
|
| 636 | .open = simple_open,
|
| 637 | .owner = THIS_MODULE,
|
| 638 | .llseek = default_llseek,
|
| 639 | };
|
| 640 |
|
| 641 |
|
| 642 |
|
| 643 |
|
| 644 | static ssize_t read_file_ani(struct file *file, char __user *user_buf,
|
| 645 | size_t count, loff_t *ppos)
|
| 646 | {
|
| 647 | struct ath5k_hw *ah = file->private_data;
|
| 648 | struct ath5k_statistics *st = &ah->stats;
|
| 649 | struct ath5k_ani_state *as = &ah->ani_state;
|
| 650 |
|
| 651 | char buf[700];
|
| 652 | unsigned int len = 0;
|
| 653 |
|
| 654 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 655 | "HW has PHY error counters:\t%s\n",
|
| 656 | ah->ah_capabilities.cap_has_phyerr_counters ?
|
| 657 | "yes" : "no");
|
| 658 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 659 | "HW max spur immunity level:\t%d\n",
|
| 660 | as->max_spur_level);
|
| 661 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 662 | "\nANI state\n--------------------------------------------\n");
|
| 663 | len += scnprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
|
| 664 | switch (as->ani_mode) {
|
| 665 | case ATH5K_ANI_MODE_OFF:
|
| 666 | len += scnprintf(buf + len, sizeof(buf) - len, "OFF\n");
|
| 667 | break;
|
| 668 | case ATH5K_ANI_MODE_MANUAL_LOW:
|
| 669 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 670 | "MANUAL LOW\n");
|
| 671 | break;
|
| 672 | case ATH5K_ANI_MODE_MANUAL_HIGH:
|
| 673 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 674 | "MANUAL HIGH\n");
|
| 675 | break;
|
| 676 | case ATH5K_ANI_MODE_AUTO:
|
| 677 | len += scnprintf(buf + len, sizeof(buf) - len, "AUTO\n");
|
| 678 | break;
|
| 679 | default:
|
| 680 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 681 | "??? (not good)\n");
|
| 682 | break;
|
| 683 | }
|
| 684 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 685 | "noise immunity level:\t\t%d\n",
|
| 686 | as->noise_imm_level);
|
| 687 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 688 | "spur immunity level:\t\t%d\n",
|
| 689 | as->spur_level);
|
| 690 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 691 | "firstep level:\t\t\t%d\n",
|
| 692 | as->firstep_level);
|
| 693 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 694 | "OFDM weak signal detection:\t%s\n",
|
| 695 | as->ofdm_weak_sig ? "on" : "off");
|
| 696 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 697 | "CCK weak signal detection:\t%s\n",
|
| 698 | as->cck_weak_sig ? "on" : "off");
|
| 699 |
|
| 700 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 701 | "\nMIB INTERRUPTS:\t\t%u\n",
|
| 702 | st->mib_intr);
|
| 703 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 704 | "beacon RSSI average:\t%d\n",
|
| 705 | (int)ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg));
|
| 706 |
|
| 707 | #define CC_PRINT(_struct, _field) \
|
| 708 | _struct._field, \
|
| 709 | _struct.cycles > 0 ? \
|
| 710 | _struct._field * 100 / _struct.cycles : 0
|
| 711 |
|
| 712 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 713 | "profcnt tx\t\t%u\t(%d%%)\n",
|
| 714 | CC_PRINT(as->last_cc, tx_frame));
|
| 715 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 716 | "profcnt rx\t\t%u\t(%d%%)\n",
|
| 717 | CC_PRINT(as->last_cc, rx_frame));
|
| 718 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 719 | "profcnt busy\t\t%u\t(%d%%)\n",
|
| 720 | CC_PRINT(as->last_cc, rx_busy));
|
| 721 | #undef CC_PRINT
|
| 722 | len += scnprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
|
| 723 | as->last_cc.cycles);
|
| 724 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 725 | "listen time\t\t%d\tlast: %d\n",
|
| 726 | as->listen_time, as->last_listen);
|
| 727 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 728 | "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
|
| 729 | as->ofdm_errors, as->last_ofdm_errors,
|
| 730 | as->sum_ofdm_errors);
|
| 731 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 732 | "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
|
| 733 | as->cck_errors, as->last_cck_errors,
|
| 734 | as->sum_cck_errors);
|
| 735 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 736 | "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
|
| 737 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
|
| 738 | ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
|
| 739 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
|
| 740 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 741 | "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
|
| 742 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
|
| 743 | ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
|
| 744 | ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
|
| 745 |
|
| 746 | if (len > sizeof(buf))
|
| 747 | len = sizeof(buf);
|
| 748 |
|
| 749 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
| 750 | }
|
| 751 |
|
| 752 | static ssize_t write_file_ani(struct file *file,
|
| 753 | const char __user *userbuf,
|
| 754 | size_t count, loff_t *ppos)
|
| 755 | {
|
| 756 | struct ath5k_hw *ah = file->private_data;
|
| 757 | char buf[20];
|
| 758 |
|
| 759 | count = min_t(size_t, count, sizeof(buf) - 1);
|
| 760 | if (copy_from_user(buf, userbuf, count))
|
| 761 | return -EFAULT;
|
| 762 |
|
| 763 | buf[count] = '\0';
|
| 764 | if (strncmp(buf, "sens-low", 8) == 0) {
|
| 765 | ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
|
| 766 | } else if (strncmp(buf, "sens-high", 9) == 0) {
|
| 767 | ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
|
| 768 | } else if (strncmp(buf, "ani-off", 7) == 0) {
|
| 769 | ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
|
| 770 | } else if (strncmp(buf, "ani-on", 6) == 0) {
|
| 771 | ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
|
| 772 | } else if (strncmp(buf, "noise-low", 9) == 0) {
|
| 773 | ath5k_ani_set_noise_immunity_level(ah, 0);
|
| 774 | } else if (strncmp(buf, "noise-high", 10) == 0) {
|
| 775 | ath5k_ani_set_noise_immunity_level(ah,
|
| 776 | ATH5K_ANI_MAX_NOISE_IMM_LVL);
|
| 777 | } else if (strncmp(buf, "spur-low", 8) == 0) {
|
| 778 | ath5k_ani_set_spur_immunity_level(ah, 0);
|
| 779 | } else if (strncmp(buf, "spur-high", 9) == 0) {
|
| 780 | ath5k_ani_set_spur_immunity_level(ah,
|
| 781 | ah->ani_state.max_spur_level);
|
| 782 | } else if (strncmp(buf, "fir-low", 7) == 0) {
|
| 783 | ath5k_ani_set_firstep_level(ah, 0);
|
| 784 | } else if (strncmp(buf, "fir-high", 8) == 0) {
|
| 785 | ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
|
| 786 | } else if (strncmp(buf, "ofdm-off", 8) == 0) {
|
| 787 | ath5k_ani_set_ofdm_weak_signal_detection(ah, false);
|
| 788 | } else if (strncmp(buf, "ofdm-on", 7) == 0) {
|
| 789 | ath5k_ani_set_ofdm_weak_signal_detection(ah, true);
|
| 790 | } else if (strncmp(buf, "cck-off", 7) == 0) {
|
| 791 | ath5k_ani_set_cck_weak_signal_detection(ah, false);
|
| 792 | } else if (strncmp(buf, "cck-on", 6) == 0) {
|
| 793 | ath5k_ani_set_cck_weak_signal_detection(ah, true);
|
| 794 | }
|
| 795 | return count;
|
| 796 | }
|
| 797 |
|
| 798 | static const struct file_operations fops_ani = {
|
| 799 | .read = read_file_ani,
|
| 800 | .write = write_file_ani,
|
| 801 | .open = simple_open,
|
| 802 | .owner = THIS_MODULE,
|
| 803 | .llseek = default_llseek,
|
| 804 | };
|
| 805 |
|
| 806 |
|
| 807 |
|
| 808 |
|
| 809 | static ssize_t read_file_queue(struct file *file, char __user *user_buf,
|
| 810 | size_t count, loff_t *ppos)
|
| 811 | {
|
| 812 | struct ath5k_hw *ah = file->private_data;
|
| 813 | char buf[700];
|
| 814 | unsigned int len = 0;
|
| 815 |
|
| 816 | struct ath5k_txq *txq;
|
| 817 | struct ath5k_buf *bf, *bf0;
|
| 818 | int i, n;
|
| 819 |
|
| 820 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 821 | "available txbuffers: %d\n", ah->txbuf_len);
|
| 822 |
|
| 823 | for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
|
| 824 | txq = &ah->txqs[i];
|
| 825 |
|
| 826 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 827 | "%02d: %ssetup\n", i, txq->setup ? "" : "not ");
|
| 828 |
|
| 829 | if (!txq->setup)
|
| 830 | continue;
|
| 831 |
|
| 832 | n = 0;
|
| 833 | spin_lock_bh(&txq->lock);
|
| 834 | list_for_each_entry_safe(bf, bf0, &txq->q, list)
|
| 835 | n++;
|
| 836 | spin_unlock_bh(&txq->lock);
|
| 837 |
|
| 838 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 839 | " len: %d bufs: %d\n", txq->txq_len, n);
|
| 840 | len += scnprintf(buf + len, sizeof(buf) - len,
|
| 841 | " stuck: %d\n", txq->txq_stuck);
|
| 842 | }
|
| 843 |
|
| 844 | if (len > sizeof(buf))
|
| 845 | len = sizeof(buf);
|
| 846 |
|
| 847 | return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
| 848 | }
|
| 849 |
|
| 850 | static ssize_t write_file_queue(struct file *file,
|
| 851 | const char __user *userbuf,
|
| 852 | size_t count, loff_t *ppos)
|
| 853 | {
|
| 854 | struct ath5k_hw *ah = file->private_data;
|
| 855 | char buf[20];
|
| 856 |
|
| 857 | count = min_t(size_t, count, sizeof(buf) - 1);
|
| 858 | if (copy_from_user(buf, userbuf, count))
|
| 859 | return -EFAULT;
|
| 860 |
|
| 861 | buf[count] = '\0';
|
| 862 | if (strncmp(buf, "start", 5) == 0)
|
| 863 | ieee80211_wake_queues(ah->hw);
|
| 864 | else if (strncmp(buf, "stop", 4) == 0)
|
| 865 | ieee80211_stop_queues(ah->hw);
|
| 866 |
|
| 867 | return count;
|
| 868 | }
|
| 869 |
|
| 870 |
|
| 871 | static const struct file_operations fops_queue = {
|
| 872 | .read = read_file_queue,
|
| 873 | .write = write_file_queue,
|
| 874 | .open = simple_open,
|
| 875 | .owner = THIS_MODULE,
|
| 876 | .llseek = default_llseek,
|
| 877 | };
|
| 878 |
|
| 879 |
|
| 880 |
|
| 881 | struct eeprom_private {
|
| 882 | u16 *buf;
|
| 883 | int len;
|
| 884 | };
|
| 885 |
|
| 886 | static int open_file_eeprom(struct inode *inode, struct file *file)
|
| 887 | {
|
| 888 | struct eeprom_private *ep;
|
| 889 | struct ath5k_hw *ah = inode->i_private;
|
| 890 | bool res;
|
| 891 | int i, ret;
|
| 892 | u32 eesize;
|
| 893 | u16 val, *buf;
|
| 894 |
|
| 895 |
|
| 896 |
|
| 897 | res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
|
| 898 | if (!res)
|
| 899 | return -EACCES;
|
| 900 |
|
| 901 | if (val == 0) {
|
| 902 | eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
|
| 903 | } else {
|
| 904 | eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
|
| 905 | AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
|
| 906 | ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
|
| 907 | eesize = eesize | val;
|
| 908 | }
|
| 909 |
|
| 910 | if (eesize > 4096)
|
| 911 | return -EINVAL;
|
| 912 |
|
| 913 |
|
| 914 |
|
| 915 | buf = vmalloc(array_size(eesize, 2));
|
| 916 | if (!buf) {
|
| 917 | ret = -ENOMEM;
|
| 918 | goto err;
|
| 919 | }
|
| 920 |
|
| 921 | for (i = 0; i < eesize; ++i) {
|
| 922 | if (!ath5k_hw_nvram_read(ah, i, &val)) {
|
| 923 | ret = -EIO;
|
| 924 | goto freebuf;
|
| 925 | }
|
| 926 | buf[i] = val;
|
| 927 | }
|
| 928 |
|
| 929 |
|
| 930 |
|
| 931 | ep = kmalloc_obj(*ep);
|
| 932 | if (!ep) {
|
| 933 | ret = -ENOMEM;
|
| 934 | goto freebuf;
|
| 935 | }
|
| 936 |
|
| 937 | ep->buf = buf;
|
| 938 | ep->len = eesize * 2;
|
| 939 |
|
| 940 | file->private_data = (void *)ep;
|
| 941 |
|
| 942 | return 0;
|
| 943 |
|
| 944 | freebuf:
|
| 945 | vfree(buf);
|
| 946 | err:
|
| 947 | return ret;
|
| 948 |
|
| 949 | }
|
| 950 |
|
| 951 | static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
|
| 952 | size_t count, loff_t *ppos)
|
| 953 | {
|
| 954 | struct eeprom_private *ep = file->private_data;
|
| 955 |
|
| 956 | return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
|
| 957 | }
|
| 958 |
|
| 959 | static int release_file_eeprom(struct inode *inode, struct file *file)
|
| 960 | {
|
| 961 | struct eeprom_private *ep = file->private_data;
|
| 962 |
|
| 963 | vfree(ep->buf);
|
| 964 | kfree(ep);
|
| 965 |
|
| 966 | return 0;
|
| 967 | }
|
| 968 |
|
| 969 | static const struct file_operations fops_eeprom = {
|
| 970 | .open = open_file_eeprom,
|
| 971 | .read = read_file_eeprom,
|
| 972 | .release = release_file_eeprom,
|
| 973 | .owner = THIS_MODULE,
|
| 974 | };
|
| 975 |
|
| 976 |
|
| 977 | void
|
| 978 | ath5k_debug_init_device(struct ath5k_hw *ah)
|
| 979 | {
|
| 980 | struct dentry *phydir;
|
| 981 |
|
| 982 | ah->debug.level = ath5k_debug;
|
| 983 |
|
| 984 | phydir = debugfs_create_dir("ath5k", ah->hw->wiphy->debugfsdir);
|
| 985 |
|
| 986 | debugfs_create_file("debug", 0600, phydir, ah, &fops_debug);
|
| 987 | debugfs_create_file("registers", 0400, phydir, ah, ®isters_fops);
|
| 988 | debugfs_create_file("beacon", 0600, phydir, ah, &fops_beacon);
|
| 989 | debugfs_create_file("reset", 0200, phydir, ah, &fops_reset);
|
| 990 | debugfs_create_file("antenna", 0600, phydir, ah, &fops_antenna);
|
| 991 | debugfs_create_file("misc", 0400, phydir, ah, &fops_misc);
|
| 992 | debugfs_create_file("eeprom", 0400, phydir, ah, &fops_eeprom);
|
| 993 | debugfs_create_file("frameerrors", 0600, phydir, ah, &fops_frameerrors);
|
| 994 | debugfs_create_file("ani", 0600, phydir, ah, &fops_ani);
|
| 995 | debugfs_create_file("queue", 0600, phydir, ah, &fops_queue);
|
| 996 | debugfs_create_bool("32khz_clock", 0600, phydir,
|
| 997 | &ah->ah_use_32khz_clock);
|
| 998 | }
|
| 999 |
|
| 1000 |
|
| 1001 |
|
| 1002 | void
|
| 1003 | ath5k_debug_dump_bands(struct ath5k_hw *ah)
|
| 1004 | {
|
| 1005 | unsigned int b, i;
|
| 1006 |
|
| 1007 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
|
| 1008 | return;
|
| 1009 |
|
| 1010 | for (b = 0; b < NUM_NL80211_BANDS; b++) {
|
| 1011 | struct ieee80211_supported_band *band = &ah->sbands[b];
|
| 1012 | char bname[6];
|
| 1013 | switch (band->band) {
|
| 1014 | case NL80211_BAND_2GHZ:
|
| 1015 | strcpy(bname, "2 GHz");
|
| 1016 | break;
|
| 1017 | case NL80211_BAND_5GHZ:
|
| 1018 | strcpy(bname, "5 GHz");
|
| 1019 | break;
|
| 1020 | default:
|
| 1021 | printk(KERN_DEBUG "Band not supported: %d\n",
|
| 1022 | band->band);
|
| 1023 | return;
|
| 1024 | }
|
| 1025 | printk(KERN_DEBUG "Band %s: channels %d, rates %d\n", bname,
|
| 1026 | band->n_channels, band->n_bitrates);
|
| 1027 | printk(KERN_DEBUG " channels:\n");
|
| 1028 | for (i = 0; i < band->n_channels; i++)
|
| 1029 | printk(KERN_DEBUG " %3d %d %.4x %.4x\n",
|
| 1030 | ieee80211_frequency_to_channel(
|
| 1031 | band->channels[i].center_freq),
|
| 1032 | band->channels[i].center_freq,
|
| 1033 | band->channels[i].hw_value,
|
| 1034 | band->channels[i].flags);
|
| 1035 | printk(KERN_DEBUG " rates:\n");
|
| 1036 | for (i = 0; i < band->n_bitrates; i++)
|
| 1037 | printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n",
|
| 1038 | band->bitrates[i].bitrate,
|
| 1039 | band->bitrates[i].hw_value,
|
| 1040 | band->bitrates[i].flags,
|
| 1041 | band->bitrates[i].hw_value_short);
|
| 1042 | }
|
| 1043 | }
|
| 1044 |
|
| 1045 | static inline void
|
| 1046 | ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
|
| 1047 | struct ath5k_rx_status *rs)
|
| 1048 | {
|
| 1049 | struct ath5k_desc *ds = bf->desc;
|
| 1050 | struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
|
| 1051 |
|
| 1052 | printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n",
|
| 1053 | ds, (unsigned long long)bf->daddr,
|
| 1054 | ds->ds_link, ds->ds_data,
|
| 1055 | rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
|
| 1056 | rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
|
| 1057 | !done ? ' ' : (rs->rs_status == 0) ? '*' : '!');
|
| 1058 | }
|
| 1059 |
|
| 1060 | void
|
| 1061 | ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
|
| 1062 | {
|
| 1063 | struct ath5k_desc *ds;
|
| 1064 | struct ath5k_buf *bf;
|
| 1065 | struct ath5k_rx_status rs = {};
|
| 1066 | int status;
|
| 1067 |
|
| 1068 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
|
| 1069 | return;
|
| 1070 |
|
| 1071 | printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
|
| 1072 | ath5k_hw_get_rxdp(ah), ah->rxlink);
|
| 1073 |
|
| 1074 | spin_lock_bh(&ah->rxbuflock);
|
| 1075 | list_for_each_entry(bf, &ah->rxbuf, list) {
|
| 1076 | ds = bf->desc;
|
| 1077 | status = ah->ah_proc_rx_desc(ah, ds, &rs);
|
| 1078 | if (!status)
|
| 1079 | ath5k_debug_printrxbuf(bf, status == 0, &rs);
|
| 1080 | }
|
| 1081 | spin_unlock_bh(&ah->rxbuflock);
|
| 1082 | }
|
| 1083 |
|
| 1084 | void
|
| 1085 | ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
|
| 1086 | {
|
| 1087 | struct ath5k_desc *ds = bf->desc;
|
| 1088 | struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
|
| 1089 | struct ath5k_tx_status ts = {};
|
| 1090 | int done;
|
| 1091 |
|
| 1092 | if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
|
| 1093 | return;
|
| 1094 |
|
| 1095 | done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
|
| 1096 |
|
| 1097 | printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
|
| 1098 | "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link,
|
| 1099 | ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
|
| 1100 | td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
|
| 1101 | td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
|
| 1102 | done ? ' ' : (ts.ts_status == 0) ? '*' : '!');
|
| 1103 | }
|