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 19 static 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 39 static 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 47 void 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 } 53 EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom); 54 55 static 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 75 static 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 82 void 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 } 88 EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom); 89 90 void 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 } 121 EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx); 122 123 static 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); 147 148 RXS_ERR("CRC ERR", crc_err); 149 RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err); 150 RXS_ERR("PHY ERR", phy_err); 151 RXS_ERR("MIC ERR", mic_err); 152 RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err); 153 RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err); 154 RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err); 155 RXS_ERR("LENGTH-ERR", rx_len_err); 156 RXS_ERR("OOM-ERR", rx_oom_err); 157 RXS_ERR("RATE-ERR", rx_rate_err); 158 RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err); 159 160 if (len > size) 161 len = size; 162 163 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 164 kfree(buf); 165 166 return retval; 167 168 #undef RXS_ERR 169 } 170 171 static const struct file_operations fops_recv = { 172 .read = read_file_recv, 173 .open = simple_open, 174 .owner = THIS_MODULE, 175 .llseek = default_llseek, 176 }; 177 178 void ath9k_cmn_debug_recv(struct dentry *debugfs_phy, 179 struct ath_rx_stats *rxstats) 180 { 181 debugfs_create_file("recv", 0400, debugfs_phy, rxstats, &fops_recv); 182 } 183 EXPORT_SYMBOL(ath9k_cmn_debug_recv); 184 185 static ssize_t read_file_phy_err(struct file *file, char __user *user_buf, 186 size_t count, loff_t *ppos) 187 { 188 #define PHY_ERR(s, p) \ 189 len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \ 190 rxstats->phy_err_stats[p]); 191 192 struct ath_rx_stats *rxstats = file->private_data; 193 char *buf; 194 unsigned int len = 0, size = 1600; 195 ssize_t retval = 0; 196 197 buf = kzalloc(size, GFP_KERNEL); 198 if (buf == NULL) 199 return -ENOMEM; 200 201 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); 202 PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); 203 PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); 204 PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); 205 PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); 206 PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); 207 PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); 208 PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); 209 210 PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); 211 PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 212 PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 213 PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 214 PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); 215 PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); 216 PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); 217 218 PHY_ERR("CCK-BLOCKER ERR", ATH9K_PHYERR_CCK_BLOCKER); 219 PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); 220 PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); 221 PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 222 PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 223 PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); 224 PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); 225 PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); 226 227 PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); 228 PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 229 PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); 230 PHY_ERR("HT-ZLF ERR", ATH9K_PHYERR_HT_ZLF); 231 232 PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); 233 PHY_ERR("GREEN-FIELD ERR", ATH9K_PHYERR_GREEN_FIELD); 234 PHY_ERR("SPECTRAL ERR", ATH9K_PHYERR_SPECTRAL); 235 236 if (len > size) 237 len = size; 238 239 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 240 kfree(buf); 241 242 return retval; 243 244 #undef PHY_ERR 245 } 246 247 static const struct file_operations fops_phy_err = { 248 .read = read_file_phy_err, 249 .open = simple_open, 250 .owner = THIS_MODULE, 251 .llseek = default_llseek, 252 }; 253 254 void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy, 255 struct ath_rx_stats *rxstats) 256 { 257 debugfs_create_file("phy_err", 0400, debugfs_phy, rxstats, 258 &fops_phy_err); 259 } 260 EXPORT_SYMBOL(ath9k_cmn_debug_phy_err); 261