1/* 2 * Copyright (c) 2008-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17#include "common.h" 18 19static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, 20 size_t count, loff_t *ppos) 21{ 22 struct ath_hw *ah = file->private_data; 23 u32 len = 0, size = 6000; 24 char *buf; 25 size_t retval; 26 27 buf = kzalloc(size, GFP_KERNEL); 28 if (buf == NULL) 29 return -ENOMEM; 30 31 len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); 32 33 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 34 kfree(buf); 35 36 return retval; 37} 38 39static const struct file_operations fops_modal_eeprom = { 40 .read = read_file_modal_eeprom, 41 .open = simple_open, 42 .owner = THIS_MODULE, 43 .llseek = default_llseek, 44}; 45 46 47void ath9k_cmn_debug_modal_eeprom(struct dentry *debugfs_phy, 48 struct ath_hw *ah) 49{ 50 debugfs_create_file("modal_eeprom", 0400, debugfs_phy, ah, 51 &fops_modal_eeprom); 52} 53EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom); 54 55static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, 56 size_t count, loff_t *ppos) 57{ 58 struct ath_hw *ah = file->private_data; 59 u32 len = 0, size = 1500; 60 ssize_t retval = 0; 61 char *buf; 62 63 buf = kzalloc(size, GFP_KERNEL); 64 if (!buf) 65 return -ENOMEM; 66 67 len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); 68 69 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 70 kfree(buf); 71 72 return retval; 73} 74 75static const struct file_operations fops_base_eeprom = { 76 .read = read_file_base_eeprom, 77 .open = simple_open, 78 .owner = THIS_MODULE, 79 .llseek = default_llseek, 80}; 81 82void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy, 83 struct ath_hw *ah) 84{ 85 debugfs_create_file("base_eeprom", 0400, debugfs_phy, ah, 86 &fops_base_eeprom); 87} 88EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom); 89 90void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats, 91 struct ath_rx_status *rs) 92{ 93#define RX_PHY_ERR_INC(c) rxstats->phy_err_stats[c]++ 94#define RX_CMN_STAT_INC(c) (rxstats->c++) 95 96 RX_CMN_STAT_INC(rx_pkts_all); 97 rxstats->rx_bytes_all += rs->rs_datalen; 98 99 if (rs->rs_status & ATH9K_RXERR_CRC) 100 RX_CMN_STAT_INC(crc_err); 101 if (rs->rs_status & ATH9K_RXERR_DECRYPT) 102 RX_CMN_STAT_INC(decrypt_crc_err); 103 if (rs->rs_status & ATH9K_RXERR_MIC) 104 RX_CMN_STAT_INC(mic_err); 105 if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 106 RX_CMN_STAT_INC(pre_delim_crc_err); 107 if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 108 RX_CMN_STAT_INC(post_delim_crc_err); 109 if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 110 RX_CMN_STAT_INC(decrypt_busy_err); 111 112 if (rs->rs_status & ATH9K_RXERR_PHY) { 113 RX_CMN_STAT_INC(phy_err); 114 if (rs->rs_phyerr < ATH9K_PHYERR_MAX) 115 RX_PHY_ERR_INC(rs->rs_phyerr); 116 } 117 118#undef RX_CMN_STAT_INC 119#undef RX_PHY_ERR_INC 120} 121EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx); 122 123static ssize_t read_file_recv(struct file *file, char __user *user_buf, 124 size_t count, loff_t *ppos) 125{ 126#define RXS_ERR(s, e) \ 127 do { \ 128 len += scnprintf(buf + len, size - len, \ 129 "%18s : %10u\n", s, \ 130 rxstats->e); \ 131 } while (0) 132 133 struct ath_rx_stats *rxstats = file->private_data; 134 char *buf; 135 unsigned int len = 0, size = 1600; 136 ssize_t retval = 0; 137 138 buf = kzalloc(size, GFP_KERNEL); 139 if (buf == NULL) 140 return -ENOMEM; 141 142 RXS_ERR("PKTS-ALL", rx_pkts_all); 143 RXS_ERR("BYTES-ALL", rx_bytes_all); 144 RXS_ERR("BEACONS", rx_beacons); 145 RXS_ERR("FRAGS", rx_frags); 146 RXS_ERR("SPECTRAL", rx_spectral); 147 RXS_ERR("SPECTRAL SMPL GOOD", rx_spectral_sample_good); 148 RXS_ERR("SPECTRAL SMPL ERR", rx_spectral_sample_err); 149 150 RXS_ERR("CRC ERR", crc_err); 151 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err); 152 RXS_ERR("PHY ERR", phy_err); 153 RXS_ERR("MIC ERR", mic_err); 154 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err); 155 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err); 156 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err); 157 RXS_ERR("LENGTH-ERR", rx_len_err); 158 RXS_ERR("OOM-ERR", rx_oom_err); 159 RXS_ERR("RATE-ERR", rx_rate_err); 160 RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err); 161 162 if (len > size) 163 len = size; 164 165 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 166 kfree(buf); 167 168 return retval; 169 170#undef RXS_ERR 171} 172 173static const struct file_operations fops_recv = { 174 .read = read_file_recv, 175 .open = simple_open, 176 .owner = THIS_MODULE, 177 .llseek = default_llseek, 178}; 179 180void ath9k_cmn_debug_recv(struct dentry *debugfs_phy, 181 struct ath_rx_stats *rxstats) 182{ 183 debugfs_create_file("recv", 0400, debugfs_phy, rxstats, &fops_recv); 184} 185EXPORT_SYMBOL(ath9k_cmn_debug_recv); 186 187static ssize_t read_file_phy_err(struct file *file, char __user *user_buf, 188 size_t count, loff_t *ppos) 189{ 190#define PHY_ERR(s, p) \ 191 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \ 192 rxstats->phy_err_stats[p]) 193 194 struct ath_rx_stats *rxstats = file->private_data; 195 char *buf; 196 unsigned int len = 0, size = 1600; 197 ssize_t retval = 0; 198 199 buf = kzalloc(size, GFP_KERNEL); 200 if (buf == NULL) 201 return -ENOMEM; 202 203 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); 204 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); 205 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); 206 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); 207 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); 208 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); 209 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); 210 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); 211 212 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); 213 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 214 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 215 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 216 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); 217 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); 218 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); 219 220 PHY_ERR("CCK-BLOCKER ERR", ATH9K_PHYERR_CCK_BLOCKER); 221 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); 222 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); 223 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 224 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 225 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); 226 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); 227 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); 228 229 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); 230 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 231 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); 232 PHY_ERR("HT-ZLF ERR", ATH9K_PHYERR_HT_ZLF); 233 234 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); 235 PHY_ERR("GREEN-FIELD ERR", ATH9K_PHYERR_GREEN_FIELD); 236 PHY_ERR("SPECTRAL ERR", ATH9K_PHYERR_SPECTRAL); 237 238 if (len > size) 239 len = size; 240 241 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 242 kfree(buf); 243 244 return retval; 245 246#undef PHY_ERR 247} 248 249static const struct file_operations fops_phy_err = { 250 .read = read_file_phy_err, 251 .open = simple_open, 252 .owner = THIS_MODULE, 253 .llseek = default_llseek, 254}; 255 256void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy, 257 struct ath_rx_stats *rxstats) 258{ 259 debugfs_create_file("phy_err", 0400, debugfs_phy, rxstats, 260 &fops_phy_err); 261} 262EXPORT_SYMBOL(ath9k_cmn_debug_phy_err); 263