1 /* 2 * Copyright (c) 2007 Bruno Randolf <bruno@thinktube.com> 3 * 4 * This file is free software: you may copy, redistribute and/or modify it 5 * under the terms of the GNU General Public License as published by the 6 * Free Software Foundation, either version 2 of the License, or (at your 7 * option) any later version. 8 * 9 * This file is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 * 17 * 18 * This file incorporates work covered by the following copyright and 19 * permission notice: 20 * 21 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 22 * Copyright (c) 2004-2005 Atheros Communications, Inc. 23 * Copyright (c) 2006 Devicescape Software, Inc. 24 * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com> 25 * Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu> 26 * 27 * All rights reserved. 28 * 29 * Redistribution and use in source and binary forms, with or without 30 * modification, are permitted provided that the following conditions 31 * are met: 32 * 1. Redistributions of source code must retain the above copyright 33 * notice, this list of conditions and the following disclaimer, 34 * without modification. 35 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 36 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 37 * redistribution must be conditioned upon including a substantially 38 * similar Disclaimer requirement for further binary redistribution. 39 * 3. Neither the names of the above-listed copyright holders nor the names 40 * of any contributors may be used to endorse or promote products derived 41 * from this software without specific prior written permission. 42 * 43 * Alternatively, this software may be distributed under the terms of the 44 * GNU General Public License ("GPL") version 2 as published by the Free 45 * Software Foundation. 46 * 47 * NO WARRANTY 48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 49 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 50 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 51 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 52 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 53 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 56 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 58 * THE POSSIBILITY OF SUCH DAMAGES. 59 */ 60 61 #ifndef _ATH5K_DEBUG_H 62 #define _ATH5K_DEBUG_H 63 64 struct ath5k_softc; 65 struct ath5k_hw; 66 struct sk_buff; 67 struct ath5k_buf; 68 69 struct ath5k_dbg_info { 70 unsigned int level; /* debug level */ 71 }; 72 73 /** 74 * enum ath5k_debug_level - ath5k debug level 75 * 76 * @ATH5K_DEBUG_RESET: reset processing 77 * @ATH5K_DEBUG_INTR: interrupt handling 78 * @ATH5K_DEBUG_MODE: mode init/setup 79 * @ATH5K_DEBUG_XMIT: basic xmit operation 80 * @ATH5K_DEBUG_BEACON: beacon handling 81 * @ATH5K_DEBUG_CALIBRATE: periodic calibration 82 * @ATH5K_DEBUG_TXPOWER: transmit power setting 83 * @ATH5K_DEBUG_LED: led management 84 * @ATH5K_DEBUG_DUMP_RX: print received skb content 85 * @ATH5K_DEBUG_DUMP_TX: print transmit skb content 86 * @ATH5K_DEBUG_DUMPBANDS: dump bands 87 * @ATH5K_DEBUG_DMA: debug dma start/stop 88 * @ATH5K_DEBUG_TRACE: trace function calls 89 * @ATH5K_DEBUG_DESC: descriptor setup 90 * @ATH5K_DEBUG_ANY: show at any debug level 91 * 92 * The debug level is used to control the amount and type of debugging output 93 * we want to see. The debug level is given in calls to ATH5K_DBG to specify 94 * where the message should appear, and the user can control the debugging 95 * messages he wants to see, either by the module parameter 'debug' on module 96 * load, or dynamically by using debugfs 'ath5k/phyX/debug'. these levels can 97 * be combined together by bitwise OR. 98 */ 99 enum ath5k_debug_level { 100 ATH5K_DEBUG_RESET = 0x00000001, 101 ATH5K_DEBUG_INTR = 0x00000002, 102 ATH5K_DEBUG_MODE = 0x00000004, 103 ATH5K_DEBUG_XMIT = 0x00000008, 104 ATH5K_DEBUG_BEACON = 0x00000010, 105 ATH5K_DEBUG_CALIBRATE = 0x00000020, 106 ATH5K_DEBUG_TXPOWER = 0x00000040, 107 ATH5K_DEBUG_LED = 0x00000080, 108 ATH5K_DEBUG_DUMPBANDS = 0x00000400, 109 ATH5K_DEBUG_DMA = 0x00000800, 110 ATH5K_DEBUG_ANI = 0x00002000, 111 ATH5K_DEBUG_DESC = 0x00004000, 112 ATH5K_DEBUG_ANY = 0xffffffff 113 }; 114 115 #ifdef CONFIG_ATH5K_DEBUG 116 117 #define ATH5K_DBG(_sc, _m, _fmt, ...) do { \ 118 if (unlikely((_sc)->debug.level & (_m) && net_ratelimit())) \ 119 ATH5K_PRINTK(_sc, KERN_DEBUG, "(%s:%d): " _fmt, \ 120 __func__, __LINE__, ##__VA_ARGS__); \ 121 } while (0) 122 123 #define ATH5K_DBG_UNLIMIT(_sc, _m, _fmt, ...) do { \ 124 if (unlikely((_sc)->debug.level & (_m))) \ 125 ATH5K_PRINTK(_sc, KERN_DEBUG, "(%s:%d): " _fmt, \ 126 __func__, __LINE__, ##__VA_ARGS__); \ 127 } while (0) 128 129 void 130 ath5k_debug_init_device(struct ath5k_softc *sc); 131 132 void 133 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah); 134 135 void 136 ath5k_debug_dump_bands(struct ath5k_softc *sc); 137 138 void 139 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf); 140 141 #else /* no debugging */ 142 143 #include <linux/compiler.h> 144 145 static inline void __attribute__ ((format (printf, 3, 4))) 146 ATH5K_DBG(struct ath5k_softc *sc, unsigned int m, const char *fmt, ...) {} 147 148 static inline void __attribute__ ((format (printf, 3, 4))) 149 ATH5K_DBG_UNLIMIT(struct ath5k_softc *sc, unsigned int m, const char *fmt, ...) 150 {} 151 152 static inline void 153 ath5k_debug_init_device(struct ath5k_softc *sc) {} 154 155 static inline void 156 ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah) {} 157 158 static inline void 159 ath5k_debug_dump_bands(struct ath5k_softc *sc) {} 160 161 static inline void 162 ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf) {} 163 164 #endif /* ifdef CONFIG_ATH5K_DEBUG */ 165 166 #endif /* ifndef _ATH5K_DEBUG_H */ 167