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1/*2 * Copyright (c) 2008-2011 Atheros Communications Inc.3 *4 * Permission to use, copy, modify, and/or distribute this software for any5 * purpose with or without fee is hereby granted, provided that the above6 * copyright notice and this permission notice appear in all copies.7 *8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF14 * 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_INC119#undef RX_PHY_ERR_INC120}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_ERR171}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_ERR247}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