1203c4805SLuis R. Rodriguez /* 2203c4805SLuis R. Rodriguez * Copyright (c) 2008-2009 Atheros Communications Inc. 3203c4805SLuis R. Rodriguez * 4203c4805SLuis R. Rodriguez * Permission to use, copy, modify, and/or distribute this software for any 5203c4805SLuis R. Rodriguez * purpose with or without fee is hereby granted, provided that the above 6203c4805SLuis R. Rodriguez * copyright notice and this permission notice appear in all copies. 7203c4805SLuis R. Rodriguez * 8203c4805SLuis R. Rodriguez * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9203c4805SLuis R. Rodriguez * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10203c4805SLuis R. Rodriguez * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11203c4805SLuis R. Rodriguez * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12203c4805SLuis R. Rodriguez * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13203c4805SLuis R. Rodriguez * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14203c4805SLuis R. Rodriguez * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15203c4805SLuis R. Rodriguez */ 16203c4805SLuis R. Rodriguez 175a0e3ad6STejun Heo #include <linux/slab.h> 18203c4805SLuis R. Rodriguez #include <asm/unaligned.h> 19203c4805SLuis R. Rodriguez 20203c4805SLuis R. Rodriguez #include "ath9k.h" 21203c4805SLuis R. Rodriguez 22475a6e4dSLuis R. Rodriguez #define REG_WRITE_D(_ah, _reg, _val) \ 23475a6e4dSLuis R. Rodriguez ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg)) 24475a6e4dSLuis R. Rodriguez #define REG_READ_D(_ah, _reg) \ 25475a6e4dSLuis R. Rodriguez ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) 26475a6e4dSLuis R. Rodriguez 27203c4805SLuis R. Rodriguez static int ath9k_debugfs_open(struct inode *inode, struct file *file) 28203c4805SLuis R. Rodriguez { 29203c4805SLuis R. Rodriguez file->private_data = inode->i_private; 30203c4805SLuis R. Rodriguez return 0; 31203c4805SLuis R. Rodriguez } 32203c4805SLuis R. Rodriguez 33a830df07SFelix Fietkau #ifdef CONFIG_ATH_DEBUG 34a830df07SFelix Fietkau 352493928eSJeff Hansen static ssize_t read_file_debug(struct file *file, char __user *user_buf, 362493928eSJeff Hansen size_t count, loff_t *ppos) 372493928eSJeff Hansen { 382493928eSJeff Hansen struct ath_softc *sc = file->private_data; 39c46917bbSLuis R. Rodriguez struct ath_common *common = ath9k_hw_common(sc->sc_ah); 402493928eSJeff Hansen char buf[32]; 41581f725cSVasanthakumar Thiagarajan unsigned int len; 42581f725cSVasanthakumar Thiagarajan 432b87f3aaSDan Carpenter len = sprintf(buf, "0x%08x\n", common->debug_mask); 442493928eSJeff Hansen return simple_read_from_buffer(user_buf, count, ppos, buf, len); 452493928eSJeff Hansen } 462493928eSJeff Hansen 472493928eSJeff Hansen static ssize_t write_file_debug(struct file *file, const char __user *user_buf, 482493928eSJeff Hansen size_t count, loff_t *ppos) 492493928eSJeff Hansen { 502493928eSJeff Hansen struct ath_softc *sc = file->private_data; 51c46917bbSLuis R. Rodriguez struct ath_common *common = ath9k_hw_common(sc->sc_ah); 522493928eSJeff Hansen unsigned long mask; 532493928eSJeff Hansen char buf[32]; 54581f725cSVasanthakumar Thiagarajan ssize_t len; 55581f725cSVasanthakumar Thiagarajan 56581f725cSVasanthakumar Thiagarajan len = min(count, sizeof(buf) - 1); 57581f725cSVasanthakumar Thiagarajan if (copy_from_user(buf, user_buf, len)) 5804236066SDan Carpenter return -EFAULT; 59581f725cSVasanthakumar Thiagarajan 60581f725cSVasanthakumar Thiagarajan buf[len] = '\0'; 61581f725cSVasanthakumar Thiagarajan if (strict_strtoul(buf, 0, &mask)) 62581f725cSVasanthakumar Thiagarajan return -EINVAL; 63581f725cSVasanthakumar Thiagarajan 64c46917bbSLuis R. Rodriguez common->debug_mask = mask; 652493928eSJeff Hansen return count; 662493928eSJeff Hansen } 672493928eSJeff Hansen 682493928eSJeff Hansen static const struct file_operations fops_debug = { 692493928eSJeff Hansen .read = read_file_debug, 702493928eSJeff Hansen .write = write_file_debug, 712493928eSJeff Hansen .open = ath9k_debugfs_open, 726038f373SArnd Bergmann .owner = THIS_MODULE, 736038f373SArnd Bergmann .llseek = default_llseek, 742493928eSJeff Hansen }; 752493928eSJeff Hansen 76a830df07SFelix Fietkau #endif 77a830df07SFelix Fietkau 78991a0987SPavel Roskin #define DMA_BUF_LEN 1024 79991a0987SPavel Roskin 8015340694SFelix Fietkau static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf, 8115340694SFelix Fietkau size_t count, loff_t *ppos) 8215340694SFelix Fietkau { 8315340694SFelix Fietkau struct ath_softc *sc = file->private_data; 8415340694SFelix Fietkau struct ath_common *common = ath9k_hw_common(sc->sc_ah); 8515340694SFelix Fietkau char buf[32]; 8615340694SFelix Fietkau unsigned int len; 8715340694SFelix Fietkau 882b87f3aaSDan Carpenter len = sprintf(buf, "0x%08x\n", common->tx_chainmask); 8915340694SFelix Fietkau return simple_read_from_buffer(user_buf, count, ppos, buf, len); 9015340694SFelix Fietkau } 9115340694SFelix Fietkau 9215340694SFelix Fietkau static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf, 9315340694SFelix Fietkau size_t count, loff_t *ppos) 9415340694SFelix Fietkau { 9515340694SFelix Fietkau struct ath_softc *sc = file->private_data; 9615340694SFelix Fietkau struct ath_common *common = ath9k_hw_common(sc->sc_ah); 9715340694SFelix Fietkau unsigned long mask; 9815340694SFelix Fietkau char buf[32]; 9915340694SFelix Fietkau ssize_t len; 10015340694SFelix Fietkau 10115340694SFelix Fietkau len = min(count, sizeof(buf) - 1); 10215340694SFelix Fietkau if (copy_from_user(buf, user_buf, len)) 10304236066SDan Carpenter return -EFAULT; 10415340694SFelix Fietkau 10515340694SFelix Fietkau buf[len] = '\0'; 10615340694SFelix Fietkau if (strict_strtoul(buf, 0, &mask)) 10715340694SFelix Fietkau return -EINVAL; 10815340694SFelix Fietkau 10915340694SFelix Fietkau common->tx_chainmask = mask; 11015340694SFelix Fietkau sc->sc_ah->caps.tx_chainmask = mask; 11115340694SFelix Fietkau return count; 11215340694SFelix Fietkau } 11315340694SFelix Fietkau 11415340694SFelix Fietkau static const struct file_operations fops_tx_chainmask = { 11515340694SFelix Fietkau .read = read_file_tx_chainmask, 11615340694SFelix Fietkau .write = write_file_tx_chainmask, 11715340694SFelix Fietkau .open = ath9k_debugfs_open, 1186038f373SArnd Bergmann .owner = THIS_MODULE, 1196038f373SArnd Bergmann .llseek = default_llseek, 12015340694SFelix Fietkau }; 12115340694SFelix Fietkau 12215340694SFelix Fietkau 12315340694SFelix Fietkau static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf, 12415340694SFelix Fietkau size_t count, loff_t *ppos) 12515340694SFelix Fietkau { 12615340694SFelix Fietkau struct ath_softc *sc = file->private_data; 12715340694SFelix Fietkau struct ath_common *common = ath9k_hw_common(sc->sc_ah); 12815340694SFelix Fietkau char buf[32]; 12915340694SFelix Fietkau unsigned int len; 13015340694SFelix Fietkau 1312b87f3aaSDan Carpenter len = sprintf(buf, "0x%08x\n", common->rx_chainmask); 13215340694SFelix Fietkau return simple_read_from_buffer(user_buf, count, ppos, buf, len); 13315340694SFelix Fietkau } 13415340694SFelix Fietkau 13515340694SFelix Fietkau static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf, 13615340694SFelix Fietkau size_t count, loff_t *ppos) 13715340694SFelix Fietkau { 13815340694SFelix Fietkau struct ath_softc *sc = file->private_data; 13915340694SFelix Fietkau struct ath_common *common = ath9k_hw_common(sc->sc_ah); 14015340694SFelix Fietkau unsigned long mask; 14115340694SFelix Fietkau char buf[32]; 14215340694SFelix Fietkau ssize_t len; 14315340694SFelix Fietkau 14415340694SFelix Fietkau len = min(count, sizeof(buf) - 1); 14515340694SFelix Fietkau if (copy_from_user(buf, user_buf, len)) 14604236066SDan Carpenter return -EFAULT; 14715340694SFelix Fietkau 14815340694SFelix Fietkau buf[len] = '\0'; 14915340694SFelix Fietkau if (strict_strtoul(buf, 0, &mask)) 15015340694SFelix Fietkau return -EINVAL; 15115340694SFelix Fietkau 15215340694SFelix Fietkau common->rx_chainmask = mask; 15315340694SFelix Fietkau sc->sc_ah->caps.rx_chainmask = mask; 15415340694SFelix Fietkau return count; 15515340694SFelix Fietkau } 15615340694SFelix Fietkau 15715340694SFelix Fietkau static const struct file_operations fops_rx_chainmask = { 15815340694SFelix Fietkau .read = read_file_rx_chainmask, 15915340694SFelix Fietkau .write = write_file_rx_chainmask, 16015340694SFelix Fietkau .open = ath9k_debugfs_open, 1616038f373SArnd Bergmann .owner = THIS_MODULE, 1626038f373SArnd Bergmann .llseek = default_llseek, 16315340694SFelix Fietkau }; 16415340694SFelix Fietkau 16515340694SFelix Fietkau 166203c4805SLuis R. Rodriguez static ssize_t read_file_dma(struct file *file, char __user *user_buf, 167203c4805SLuis R. Rodriguez size_t count, loff_t *ppos) 168203c4805SLuis R. Rodriguez { 169203c4805SLuis R. Rodriguez struct ath_softc *sc = file->private_data; 170203c4805SLuis R. Rodriguez struct ath_hw *ah = sc->sc_ah; 171991a0987SPavel Roskin char *buf; 172991a0987SPavel Roskin int retval; 173203c4805SLuis R. Rodriguez unsigned int len = 0; 174203c4805SLuis R. Rodriguez u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; 175203c4805SLuis R. Rodriguez int i, qcuOffset = 0, dcuOffset = 0; 176203c4805SLuis R. Rodriguez u32 *qcuBase = &val[0], *dcuBase = &val[4]; 177203c4805SLuis R. Rodriguez 178991a0987SPavel Roskin buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL); 179991a0987SPavel Roskin if (!buf) 18004236066SDan Carpenter return -ENOMEM; 181991a0987SPavel Roskin 1827cf4a2e7SSujith ath9k_ps_wakeup(sc); 1837cf4a2e7SSujith 184475a6e4dSLuis R. Rodriguez REG_WRITE_D(ah, AR_MACMISC, 185203c4805SLuis R. Rodriguez ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | 186203c4805SLuis R. Rodriguez (AR_MACMISC_MISC_OBS_BUS_1 << 187203c4805SLuis R. Rodriguez AR_MACMISC_MISC_OBS_BUS_MSB_S))); 188203c4805SLuis R. Rodriguez 189991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 190203c4805SLuis R. Rodriguez "Raw DMA Debug values:\n"); 191203c4805SLuis R. Rodriguez 192203c4805SLuis R. Rodriguez for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { 193203c4805SLuis R. Rodriguez if (i % 4 == 0) 194991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 195203c4805SLuis R. Rodriguez 196475a6e4dSLuis R. Rodriguez val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32))); 197991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ", 198203c4805SLuis R. Rodriguez i, val[i]); 199203c4805SLuis R. Rodriguez } 200203c4805SLuis R. Rodriguez 201991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n"); 202991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 203203c4805SLuis R. Rodriguez "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); 204203c4805SLuis R. Rodriguez 205203c4805SLuis R. Rodriguez for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { 206203c4805SLuis R. Rodriguez if (i == 8) { 207203c4805SLuis R. Rodriguez qcuOffset = 0; 208203c4805SLuis R. Rodriguez qcuBase++; 209203c4805SLuis R. Rodriguez } 210203c4805SLuis R. Rodriguez 211203c4805SLuis R. Rodriguez if (i == 6) { 212203c4805SLuis R. Rodriguez dcuOffset = 0; 213203c4805SLuis R. Rodriguez dcuBase++; 214203c4805SLuis R. Rodriguez } 215203c4805SLuis R. Rodriguez 216991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 217203c4805SLuis R. Rodriguez "%2d %2x %1x %2x %2x\n", 218203c4805SLuis R. Rodriguez i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, 219203c4805SLuis R. Rodriguez (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), 220203c4805SLuis R. Rodriguez val[2] & (0x7 << (i * 3)) >> (i * 3), 221203c4805SLuis R. Rodriguez (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); 222203c4805SLuis R. Rodriguez } 223203c4805SLuis R. Rodriguez 224991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, "\n"); 225203c4805SLuis R. Rodriguez 226991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 227203c4805SLuis R. Rodriguez "qcu_stitch state: %2x qcu_fetch state: %2x\n", 228203c4805SLuis R. Rodriguez (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); 229991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 230203c4805SLuis R. Rodriguez "qcu_complete state: %2x dcu_complete state: %2x\n", 231203c4805SLuis R. Rodriguez (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); 232991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 233203c4805SLuis R. Rodriguez "dcu_arb state: %2x dcu_fp state: %2x\n", 234203c4805SLuis R. Rodriguez (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); 235991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 236203c4805SLuis R. Rodriguez "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", 237203c4805SLuis R. Rodriguez (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); 238991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 239203c4805SLuis R. Rodriguez "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", 240203c4805SLuis R. Rodriguez (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); 241991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 242203c4805SLuis R. Rodriguez "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", 243203c4805SLuis R. Rodriguez (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); 244203c4805SLuis R. Rodriguez 245991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n", 246475a6e4dSLuis R. Rodriguez REG_READ_D(ah, AR_OBS_BUS_1)); 247991a0987SPavel Roskin len += snprintf(buf + len, DMA_BUF_LEN - len, 248475a6e4dSLuis R. Rodriguez "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR)); 249203c4805SLuis R. Rodriguez 2507cf4a2e7SSujith ath9k_ps_restore(sc); 2517cf4a2e7SSujith 2522b87f3aaSDan Carpenter if (len > DMA_BUF_LEN) 2532b87f3aaSDan Carpenter len = DMA_BUF_LEN; 2542b87f3aaSDan Carpenter 255991a0987SPavel Roskin retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 256991a0987SPavel Roskin kfree(buf); 257991a0987SPavel Roskin return retval; 258203c4805SLuis R. Rodriguez } 259203c4805SLuis R. Rodriguez 260203c4805SLuis R. Rodriguez static const struct file_operations fops_dma = { 261203c4805SLuis R. Rodriguez .read = read_file_dma, 262203c4805SLuis R. Rodriguez .open = ath9k_debugfs_open, 2636038f373SArnd Bergmann .owner = THIS_MODULE, 2646038f373SArnd Bergmann .llseek = default_llseek, 265203c4805SLuis R. Rodriguez }; 266203c4805SLuis R. Rodriguez 267203c4805SLuis R. Rodriguez 268203c4805SLuis R. Rodriguez void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 269203c4805SLuis R. Rodriguez { 270203c4805SLuis R. Rodriguez if (status) 271203c4805SLuis R. Rodriguez sc->debug.stats.istats.total++; 272a9616f41SLuis R. Rodriguez if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 273a9616f41SLuis R. Rodriguez if (status & ATH9K_INT_RXLP) 274a9616f41SLuis R. Rodriguez sc->debug.stats.istats.rxlp++; 275a9616f41SLuis R. Rodriguez if (status & ATH9K_INT_RXHP) 276a9616f41SLuis R. Rodriguez sc->debug.stats.istats.rxhp++; 27708578b8fSLuis R. Rodriguez if (status & ATH9K_INT_BB_WATCHDOG) 27808578b8fSLuis R. Rodriguez sc->debug.stats.istats.bb_watchdog++; 279a9616f41SLuis R. Rodriguez } else { 280203c4805SLuis R. Rodriguez if (status & ATH9K_INT_RX) 281203c4805SLuis R. Rodriguez sc->debug.stats.istats.rxok++; 282a9616f41SLuis R. Rodriguez } 283203c4805SLuis R. Rodriguez if (status & ATH9K_INT_RXEOL) 284203c4805SLuis R. Rodriguez sc->debug.stats.istats.rxeol++; 285203c4805SLuis R. Rodriguez if (status & ATH9K_INT_RXORN) 286203c4805SLuis R. Rodriguez sc->debug.stats.istats.rxorn++; 287203c4805SLuis R. Rodriguez if (status & ATH9K_INT_TX) 288203c4805SLuis R. Rodriguez sc->debug.stats.istats.txok++; 289203c4805SLuis R. Rodriguez if (status & ATH9K_INT_TXURN) 290203c4805SLuis R. Rodriguez sc->debug.stats.istats.txurn++; 291203c4805SLuis R. Rodriguez if (status & ATH9K_INT_MIB) 292203c4805SLuis R. Rodriguez sc->debug.stats.istats.mib++; 293203c4805SLuis R. Rodriguez if (status & ATH9K_INT_RXPHY) 294203c4805SLuis R. Rodriguez sc->debug.stats.istats.rxphyerr++; 295203c4805SLuis R. Rodriguez if (status & ATH9K_INT_RXKCM) 296203c4805SLuis R. Rodriguez sc->debug.stats.istats.rx_keycache_miss++; 297203c4805SLuis R. Rodriguez if (status & ATH9K_INT_SWBA) 298203c4805SLuis R. Rodriguez sc->debug.stats.istats.swba++; 299203c4805SLuis R. Rodriguez if (status & ATH9K_INT_BMISS) 300203c4805SLuis R. Rodriguez sc->debug.stats.istats.bmiss++; 301203c4805SLuis R. Rodriguez if (status & ATH9K_INT_BNR) 302203c4805SLuis R. Rodriguez sc->debug.stats.istats.bnr++; 303203c4805SLuis R. Rodriguez if (status & ATH9K_INT_CST) 304203c4805SLuis R. Rodriguez sc->debug.stats.istats.cst++; 305203c4805SLuis R. Rodriguez if (status & ATH9K_INT_GTT) 306203c4805SLuis R. Rodriguez sc->debug.stats.istats.gtt++; 307203c4805SLuis R. Rodriguez if (status & ATH9K_INT_TIM) 308203c4805SLuis R. Rodriguez sc->debug.stats.istats.tim++; 309203c4805SLuis R. Rodriguez if (status & ATH9K_INT_CABEND) 310203c4805SLuis R. Rodriguez sc->debug.stats.istats.cabend++; 311203c4805SLuis R. Rodriguez if (status & ATH9K_INT_DTIMSYNC) 312203c4805SLuis R. Rodriguez sc->debug.stats.istats.dtimsync++; 313203c4805SLuis R. Rodriguez if (status & ATH9K_INT_DTIM) 314203c4805SLuis R. Rodriguez sc->debug.stats.istats.dtim++; 315203c4805SLuis R. Rodriguez } 316203c4805SLuis R. Rodriguez 317203c4805SLuis R. Rodriguez static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 318203c4805SLuis R. Rodriguez size_t count, loff_t *ppos) 319203c4805SLuis R. Rodriguez { 320203c4805SLuis R. Rodriguez struct ath_softc *sc = file->private_data; 321203c4805SLuis R. Rodriguez char buf[512]; 322203c4805SLuis R. Rodriguez unsigned int len = 0; 323203c4805SLuis R. Rodriguez 324a9616f41SLuis R. Rodriguez if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { 325a9616f41SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 326a9616f41SLuis R. Rodriguez "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp); 327a9616f41SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 328a9616f41SLuis R. Rodriguez "%8s: %10u\n", "RXHP", sc->debug.stats.istats.rxhp); 32908578b8fSLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 33008578b8fSLuis R. Rodriguez "%8s: %10u\n", "WATCHDOG", 33108578b8fSLuis R. Rodriguez sc->debug.stats.istats.bb_watchdog); 332a9616f41SLuis R. Rodriguez } else { 333203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 334203c4805SLuis R. Rodriguez "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok); 335a9616f41SLuis R. Rodriguez } 336203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 337203c4805SLuis R. Rodriguez "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol); 338203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 339203c4805SLuis R. Rodriguez "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn); 340203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 341203c4805SLuis R. Rodriguez "%8s: %10u\n", "TX", sc->debug.stats.istats.txok); 342203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 343203c4805SLuis R. Rodriguez "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn); 344203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 345203c4805SLuis R. Rodriguez "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib); 346203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 347203c4805SLuis R. Rodriguez "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr); 348203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 349203c4805SLuis R. Rodriguez "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss); 350203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 351203c4805SLuis R. Rodriguez "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba); 352203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 353203c4805SLuis R. Rodriguez "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss); 354203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 355203c4805SLuis R. Rodriguez "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr); 356203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 357203c4805SLuis R. Rodriguez "%8s: %10u\n", "CST", sc->debug.stats.istats.cst); 358203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 359203c4805SLuis R. Rodriguez "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt); 360203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 361203c4805SLuis R. Rodriguez "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim); 362203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 363203c4805SLuis R. Rodriguez "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend); 364203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 365203c4805SLuis R. Rodriguez "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync); 366203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 367203c4805SLuis R. Rodriguez "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim); 368203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 369203c4805SLuis R. Rodriguez "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total); 370203c4805SLuis R. Rodriguez 3712b87f3aaSDan Carpenter if (len > sizeof(buf)) 3722b87f3aaSDan Carpenter len = sizeof(buf); 3732b87f3aaSDan Carpenter 374203c4805SLuis R. Rodriguez return simple_read_from_buffer(user_buf, count, ppos, buf, len); 375203c4805SLuis R. Rodriguez } 376203c4805SLuis R. Rodriguez 377203c4805SLuis R. Rodriguez static const struct file_operations fops_interrupt = { 378203c4805SLuis R. Rodriguez .read = read_file_interrupt, 379203c4805SLuis R. Rodriguez .open = ath9k_debugfs_open, 3806038f373SArnd Bergmann .owner = THIS_MODULE, 3816038f373SArnd Bergmann .llseek = default_llseek, 382203c4805SLuis R. Rodriguez }; 383203c4805SLuis R. Rodriguez 384203c4805SLuis R. Rodriguez static ssize_t read_file_wiphy(struct file *file, char __user *user_buf, 385203c4805SLuis R. Rodriguez size_t count, loff_t *ppos) 386203c4805SLuis R. Rodriguez { 387203c4805SLuis R. Rodriguez struct ath_softc *sc = file->private_data; 388*34302397SFelix Fietkau struct ieee80211_channel *chan = sc->hw->conf.channel; 389203c4805SLuis R. Rodriguez char buf[512]; 390203c4805SLuis R. Rodriguez unsigned int len = 0; 391203c4805SLuis R. Rodriguez u8 addr[ETH_ALEN]; 39239057512SBen Greear u32 tmp; 393203c4805SLuis R. Rodriguez 394203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 395*34302397SFelix Fietkau "%s (chan=%d ht=%d)\n", 396*34302397SFelix Fietkau wiphy_name(sc->hw->wiphy), 3978e0167a4SMohammed Shafi Shajakhan ieee80211_frequency_to_channel(chan->center_freq), 398*34302397SFelix Fietkau conf_is_ht(&sc->hw->conf)); 399203c4805SLuis R. Rodriguez 400475a6e4dSLuis R. Rodriguez put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr); 401475a6e4dSLuis R. Rodriguez put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4); 402203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 403203c4805SLuis R. Rodriguez "addr: %pM\n", addr); 404475a6e4dSLuis R. Rodriguez put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr); 405475a6e4dSLuis R. Rodriguez put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4); 406203c4805SLuis R. Rodriguez len += snprintf(buf + len, sizeof(buf) - len, 407203c4805SLuis R. Rodriguez "addrmask: %pM\n", addr); 40839057512SBen Greear tmp = ath9k_hw_getrxfilter(sc->sc_ah); 40939057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, 41039057512SBen Greear "rfilt: 0x%x", tmp); 41139057512SBen Greear if (tmp & ATH9K_RX_FILTER_UCAST) 41239057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " UCAST"); 41339057512SBen Greear if (tmp & ATH9K_RX_FILTER_MCAST) 41439057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " MCAST"); 41539057512SBen Greear if (tmp & ATH9K_RX_FILTER_BCAST) 41639057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " BCAST"); 41739057512SBen Greear if (tmp & ATH9K_RX_FILTER_CONTROL) 41839057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " CONTROL"); 41939057512SBen Greear if (tmp & ATH9K_RX_FILTER_BEACON) 42039057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " BEACON"); 42139057512SBen Greear if (tmp & ATH9K_RX_FILTER_PROM) 42239057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " PROM"); 42339057512SBen Greear if (tmp & ATH9K_RX_FILTER_PROBEREQ) 42439057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ"); 42539057512SBen Greear if (tmp & ATH9K_RX_FILTER_PHYERR) 42639057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " PHYERR"); 42739057512SBen Greear if (tmp & ATH9K_RX_FILTER_MYBEACON) 42839057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON"); 42939057512SBen Greear if (tmp & ATH9K_RX_FILTER_COMP_BAR) 43039057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR"); 43139057512SBen Greear if (tmp & ATH9K_RX_FILTER_PSPOLL) 43239057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL"); 43339057512SBen Greear if (tmp & ATH9K_RX_FILTER_PHYRADAR) 43439057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR"); 43539057512SBen Greear if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL) 43639057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n"); 43739057512SBen Greear else 43839057512SBen Greear len += snprintf(buf + len, sizeof(buf) - len, "\n"); 439203c4805SLuis R. Rodriguez 4402b87f3aaSDan Carpenter if (len > sizeof(buf)) 4412b87f3aaSDan Carpenter len = sizeof(buf); 4422b87f3aaSDan Carpenter 443203c4805SLuis R. Rodriguez return simple_read_from_buffer(user_buf, count, ppos, buf, len); 444203c4805SLuis R. Rodriguez } 445203c4805SLuis R. Rodriguez 446203c4805SLuis R. Rodriguez static const struct file_operations fops_wiphy = { 447203c4805SLuis R. Rodriguez .read = read_file_wiphy, 448203c4805SLuis R. Rodriguez .open = ath9k_debugfs_open, 4496038f373SArnd Bergmann .owner = THIS_MODULE, 4506038f373SArnd Bergmann .llseek = default_llseek, 451203c4805SLuis R. Rodriguez }; 452203c4805SLuis R. Rodriguez 453fec247c0SSujith #define PR(str, elem) \ 454fec247c0SSujith do { \ 455fec247c0SSujith len += snprintf(buf + len, size - len, \ 456fec247c0SSujith "%s%13u%11u%10u%10u\n", str, \ 457066dae93SFelix Fietkau sc->debug.stats.txstats[WME_AC_BE].elem, \ 458066dae93SFelix Fietkau sc->debug.stats.txstats[WME_AC_BK].elem, \ 459066dae93SFelix Fietkau sc->debug.stats.txstats[WME_AC_VI].elem, \ 460066dae93SFelix Fietkau sc->debug.stats.txstats[WME_AC_VO].elem); \ 4617f010c93SBen Greear if (len >= size) \ 4627f010c93SBen Greear goto done; \ 463fec247c0SSujith } while(0) 464fec247c0SSujith 4651f427dd9SBen Greear #define PRX(str, elem) \ 4661f427dd9SBen Greear do { \ 4671f427dd9SBen Greear len += snprintf(buf + len, size - len, \ 4681f427dd9SBen Greear "%s%13u%11u%10u%10u\n", str, \ 46955f6d0ffSBen Greear (unsigned int)(sc->tx.txq[ATH_TXQ_AC_BE].elem), \ 47055f6d0ffSBen Greear (unsigned int)(sc->tx.txq[ATH_TXQ_AC_BK].elem), \ 47155f6d0ffSBen Greear (unsigned int)(sc->tx.txq[ATH_TXQ_AC_VI].elem), \ 47255f6d0ffSBen Greear (unsigned int)(sc->tx.txq[ATH_TXQ_AC_VO].elem)); \ 4737f010c93SBen Greear if (len >= size) \ 4747f010c93SBen Greear goto done; \ 4751f427dd9SBen Greear } while(0) 4761f427dd9SBen Greear 4772dac4fb9SBen Greear #define PRQLE(str, elem) \ 4782dac4fb9SBen Greear do { \ 4792dac4fb9SBen Greear len += snprintf(buf + len, size - len, \ 4802dac4fb9SBen Greear "%s%13i%11i%10i%10i\n", str, \ 48155f6d0ffSBen Greear list_empty(&sc->tx.txq[ATH_TXQ_AC_BE].elem), \ 48255f6d0ffSBen Greear list_empty(&sc->tx.txq[ATH_TXQ_AC_BK].elem), \ 48355f6d0ffSBen Greear list_empty(&sc->tx.txq[ATH_TXQ_AC_VI].elem), \ 48455f6d0ffSBen Greear list_empty(&sc->tx.txq[ATH_TXQ_AC_VO].elem)); \ 4857f010c93SBen Greear if (len >= size) \ 4867f010c93SBen Greear goto done; \ 4872dac4fb9SBen Greear } while (0) 4882dac4fb9SBen Greear 489fec247c0SSujith static ssize_t read_file_xmit(struct file *file, char __user *user_buf, 490fec247c0SSujith size_t count, loff_t *ppos) 491fec247c0SSujith { 492fec247c0SSujith struct ath_softc *sc = file->private_data; 493fec247c0SSujith char *buf; 4947f010c93SBen Greear unsigned int len = 0, size = 8000; 4952dac4fb9SBen Greear int i; 496fec247c0SSujith ssize_t retval = 0; 4972dac4fb9SBen Greear char tmp[32]; 498fec247c0SSujith 499fec247c0SSujith buf = kzalloc(size, GFP_KERNEL); 500fec247c0SSujith if (buf == NULL) 50104236066SDan Carpenter return -ENOMEM; 502fec247c0SSujith 50360f2d1d5SBen Greear len += sprintf(buf, "Num-Tx-Queues: %i tx-queues-setup: 0x%x" 50460f2d1d5SBen Greear " poll-work-seen: %u\n" 5057f010c93SBen Greear "%30s %10s%10s%10s\n\n", 5067f010c93SBen Greear ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup, 50760f2d1d5SBen Greear sc->tx_complete_poll_work_seen, 5087f010c93SBen Greear "BE", "BK", "VI", "VO"); 509fec247c0SSujith 510fec247c0SSujith PR("MPDUs Queued: ", queued); 511fec247c0SSujith PR("MPDUs Completed: ", completed); 512fec247c0SSujith PR("Aggregates: ", a_aggr); 513bda8addaSBen Greear PR("AMPDUs Queued HW:", a_queued_hw); 514bda8addaSBen Greear PR("AMPDUs Queued SW:", a_queued_sw); 515fec247c0SSujith PR("AMPDUs Completed:", a_completed); 516fec247c0SSujith PR("AMPDUs Retried: ", a_retries); 517fec247c0SSujith PR("AMPDUs XRetried: ", a_xretries); 518fec247c0SSujith PR("FIFO Underrun: ", fifo_underrun); 519fec247c0SSujith PR("TXOP Exceeded: ", xtxop); 520fec247c0SSujith PR("TXTIMER Expiry: ", timer_exp); 521fec247c0SSujith PR("DESC CFG Error: ", desc_cfg_err); 522fec247c0SSujith PR("DATA Underrun: ", data_underrun); 523fec247c0SSujith PR("DELIM Underrun: ", delim_underrun); 52499c15bf5SBen Greear PR("TX-Pkts-All: ", tx_pkts_all); 52599c15bf5SBen Greear PR("TX-Bytes-All: ", tx_bytes_all); 5262dac4fb9SBen Greear PR("hw-put-tx-buf: ", puttxbuf); 5272dac4fb9SBen Greear PR("hw-tx-start: ", txstart); 5282dac4fb9SBen Greear PR("hw-tx-proc-desc: ", txprocdesc); 5297f010c93SBen Greear len += snprintf(buf + len, size - len, 5307f010c93SBen Greear "%s%11p%11p%10p%10p\n", "txq-memory-address:", 53155f6d0ffSBen Greear &(sc->tx.txq[ATH_TXQ_AC_BE]), 53255f6d0ffSBen Greear &(sc->tx.txq[ATH_TXQ_AC_BK]), 53355f6d0ffSBen Greear &(sc->tx.txq[ATH_TXQ_AC_VI]), 53455f6d0ffSBen Greear &(sc->tx.txq[ATH_TXQ_AC_VO])); 5357f010c93SBen Greear if (len >= size) 5367f010c93SBen Greear goto done; 537fec247c0SSujith 5381f427dd9SBen Greear PRX("axq-qnum: ", axq_qnum); 5391f427dd9SBen Greear PRX("axq-depth: ", axq_depth); 5402dac4fb9SBen Greear PRX("axq-ampdu_depth: ", axq_ampdu_depth); 5411f427dd9SBen Greear PRX("axq-stopped ", stopped); 5421f427dd9SBen Greear PRX("tx-in-progress ", axq_tx_inprogress); 5431f427dd9SBen Greear PRX("pending-frames ", pending_frames); 5442dac4fb9SBen Greear PRX("txq_headidx: ", txq_headidx); 5452dac4fb9SBen Greear PRX("txq_tailidx: ", txq_headidx); 5461f427dd9SBen Greear 5472dac4fb9SBen Greear PRQLE("axq_q empty: ", axq_q); 5482dac4fb9SBen Greear PRQLE("axq_acq empty: ", axq_acq); 5492dac4fb9SBen Greear PRQLE("txq_fifo_pending: ", txq_fifo_pending); 5502dac4fb9SBen Greear for (i = 0; i < ATH_TXFIFO_DEPTH; i++) { 5512dac4fb9SBen Greear snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i); 5522dac4fb9SBen Greear PRQLE(tmp, txq_fifo[i]); 5532dac4fb9SBen Greear } 5547f010c93SBen Greear 55571e025a5SBen Greear /* Print out more detailed queue-info */ 55671e025a5SBen Greear for (i = 0; i <= WME_AC_BK; i++) { 55771e025a5SBen Greear struct ath_txq *txq = &(sc->tx.txq[i]); 55871e025a5SBen Greear struct ath_atx_ac *ac; 55971e025a5SBen Greear struct ath_atx_tid *tid; 56071e025a5SBen Greear if (len >= size) 56171e025a5SBen Greear goto done; 56271e025a5SBen Greear spin_lock_bh(&txq->axq_lock); 56371e025a5SBen Greear if (!list_empty(&txq->axq_acq)) { 56471e025a5SBen Greear ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, 56571e025a5SBen Greear list); 56671e025a5SBen Greear len += snprintf(buf + len, size - len, 56771e025a5SBen Greear "txq[%i] first-ac: %p sched: %i\n", 56871e025a5SBen Greear i, ac, ac->sched); 56971e025a5SBen Greear if (list_empty(&ac->tid_q) || (len >= size)) 57071e025a5SBen Greear goto done_for; 57171e025a5SBen Greear tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, 57271e025a5SBen Greear list); 57371e025a5SBen Greear len += snprintf(buf + len, size - len, 57471e025a5SBen Greear " first-tid: %p sched: %i paused: %i\n", 57571e025a5SBen Greear tid, tid->sched, tid->paused); 57671e025a5SBen Greear } 57771e025a5SBen Greear done_for: 57871e025a5SBen Greear spin_unlock_bh(&txq->axq_lock); 57971e025a5SBen Greear } 58071e025a5SBen Greear 5817f010c93SBen Greear done: 5827f010c93SBen Greear if (len > size) 5837f010c93SBen Greear len = size; 5847f010c93SBen Greear 5857f010c93SBen Greear retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 5867f010c93SBen Greear kfree(buf); 5877f010c93SBen Greear 5887f010c93SBen Greear return retval; 5897f010c93SBen Greear } 5907f010c93SBen Greear 5917f010c93SBen Greear static ssize_t read_file_stations(struct file *file, char __user *user_buf, 5927f010c93SBen Greear size_t count, loff_t *ppos) 5937f010c93SBen Greear { 5947f010c93SBen Greear struct ath_softc *sc = file->private_data; 5957f010c93SBen Greear char *buf; 5967f010c93SBen Greear unsigned int len = 0, size = 64000; 5977f010c93SBen Greear struct ath_node *an = NULL; 5987f010c93SBen Greear ssize_t retval = 0; 5997f010c93SBen Greear int q; 6007f010c93SBen Greear 6017f010c93SBen Greear buf = kzalloc(size, GFP_KERNEL); 6027f010c93SBen Greear if (buf == NULL) 6037f010c93SBen Greear return -ENOMEM; 6047f010c93SBen Greear 6057f010c93SBen Greear len += snprintf(buf + len, size - len, 6067f010c93SBen Greear "Stations:\n" 6077f010c93SBen Greear " tid: addr sched paused buf_q-empty an ac\n" 6087f010c93SBen Greear " ac: addr sched tid_q-empty txq\n"); 6097f010c93SBen Greear 6107f010c93SBen Greear spin_lock(&sc->nodes_lock); 6117f010c93SBen Greear list_for_each_entry(an, &sc->nodes, list) { 6127f010c93SBen Greear len += snprintf(buf + len, size - len, 6137f010c93SBen Greear "%pM\n", an->sta->addr); 6147f010c93SBen Greear if (len >= size) 6157f010c93SBen Greear goto done; 6167f010c93SBen Greear 6177f010c93SBen Greear for (q = 0; q < WME_NUM_TID; q++) { 6187f010c93SBen Greear struct ath_atx_tid *tid = &(an->tid[q]); 6197f010c93SBen Greear len += snprintf(buf + len, size - len, 6207f010c93SBen Greear " tid: %p %s %s %i %p %p\n", 6217f010c93SBen Greear tid, tid->sched ? "sched" : "idle", 6227f010c93SBen Greear tid->paused ? "paused" : "running", 6237f010c93SBen Greear list_empty(&tid->buf_q), 6247f010c93SBen Greear tid->an, tid->ac); 6257f010c93SBen Greear if (len >= size) 6267f010c93SBen Greear goto done; 6277f010c93SBen Greear } 6287f010c93SBen Greear 6297f010c93SBen Greear for (q = 0; q < WME_NUM_AC; q++) { 6307f010c93SBen Greear struct ath_atx_ac *ac = &(an->ac[q]); 6317f010c93SBen Greear len += snprintf(buf + len, size - len, 6327f010c93SBen Greear " ac: %p %s %i %p\n", 6337f010c93SBen Greear ac, ac->sched ? "sched" : "idle", 6347f010c93SBen Greear list_empty(&ac->tid_q), ac->txq); 6357f010c93SBen Greear if (len >= size) 6367f010c93SBen Greear goto done; 6377f010c93SBen Greear } 6387f010c93SBen Greear } 6397f010c93SBen Greear 6407f010c93SBen Greear done: 6417f010c93SBen Greear spin_unlock(&sc->nodes_lock); 6422b87f3aaSDan Carpenter if (len > size) 6432b87f3aaSDan Carpenter len = size; 6442b87f3aaSDan Carpenter 645fec247c0SSujith retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 646fec247c0SSujith kfree(buf); 647fec247c0SSujith 648fec247c0SSujith return retval; 649fec247c0SSujith } 650fec247c0SSujith 65155f6d0ffSBen Greear static ssize_t read_file_misc(struct file *file, char __user *user_buf, 65255f6d0ffSBen Greear size_t count, loff_t *ppos) 65355f6d0ffSBen Greear { 65455f6d0ffSBen Greear struct ath_softc *sc = file->private_data; 65555f6d0ffSBen Greear struct ath_common *common = ath9k_hw_common(sc->sc_ah); 65655f6d0ffSBen Greear struct ath_hw *ah = sc->sc_ah; 65755f6d0ffSBen Greear struct ieee80211_hw *hw = sc->hw; 65855f6d0ffSBen Greear char *buf; 65955f6d0ffSBen Greear unsigned int len = 0, size = 8000; 66055f6d0ffSBen Greear ssize_t retval = 0; 66155f6d0ffSBen Greear const char *tmp; 66255f6d0ffSBen Greear unsigned int reg; 66355f6d0ffSBen Greear struct ath9k_vif_iter_data iter_data; 66455f6d0ffSBen Greear 66555f6d0ffSBen Greear ath9k_calculate_iter_data(hw, NULL, &iter_data); 66655f6d0ffSBen Greear 66755f6d0ffSBen Greear buf = kzalloc(size, GFP_KERNEL); 66855f6d0ffSBen Greear if (buf == NULL) 66955f6d0ffSBen Greear return -ENOMEM; 67055f6d0ffSBen Greear 67155f6d0ffSBen Greear switch (sc->sc_ah->opmode) { 67255f6d0ffSBen Greear case NL80211_IFTYPE_ADHOC: 67355f6d0ffSBen Greear tmp = "ADHOC"; 67455f6d0ffSBen Greear break; 67555f6d0ffSBen Greear case NL80211_IFTYPE_MESH_POINT: 67655f6d0ffSBen Greear tmp = "MESH"; 67755f6d0ffSBen Greear break; 67855f6d0ffSBen Greear case NL80211_IFTYPE_AP: 67955f6d0ffSBen Greear tmp = "AP"; 68055f6d0ffSBen Greear break; 68155f6d0ffSBen Greear case NL80211_IFTYPE_STATION: 68255f6d0ffSBen Greear tmp = "STATION"; 68355f6d0ffSBen Greear break; 68455f6d0ffSBen Greear default: 68555f6d0ffSBen Greear tmp = "???"; 68655f6d0ffSBen Greear break; 68755f6d0ffSBen Greear } 68855f6d0ffSBen Greear 68955f6d0ffSBen Greear len += snprintf(buf + len, size - len, 69055f6d0ffSBen Greear "curbssid: %pM\n" 69155f6d0ffSBen Greear "OP-Mode: %s(%i)\n" 69255f6d0ffSBen Greear "Beacon-Timer-Register: 0x%x\n", 69355f6d0ffSBen Greear common->curbssid, 69455f6d0ffSBen Greear tmp, (int)(sc->sc_ah->opmode), 69555f6d0ffSBen Greear REG_READ(ah, AR_BEACON_PERIOD)); 69655f6d0ffSBen Greear 69755f6d0ffSBen Greear reg = REG_READ(ah, AR_TIMER_MODE); 69855f6d0ffSBen Greear len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (", 69955f6d0ffSBen Greear reg); 70055f6d0ffSBen Greear if (reg & AR_TBTT_TIMER_EN) 70155f6d0ffSBen Greear len += snprintf(buf + len, size - len, "TBTT "); 70255f6d0ffSBen Greear if (reg & AR_DBA_TIMER_EN) 70355f6d0ffSBen Greear len += snprintf(buf + len, size - len, "DBA "); 70455f6d0ffSBen Greear if (reg & AR_SWBA_TIMER_EN) 70555f6d0ffSBen Greear len += snprintf(buf + len, size - len, "SWBA "); 70655f6d0ffSBen Greear if (reg & AR_HCF_TIMER_EN) 70755f6d0ffSBen Greear len += snprintf(buf + len, size - len, "HCF "); 70855f6d0ffSBen Greear if (reg & AR_TIM_TIMER_EN) 70955f6d0ffSBen Greear len += snprintf(buf + len, size - len, "TIM "); 71055f6d0ffSBen Greear if (reg & AR_DTIM_TIMER_EN) 71155f6d0ffSBen Greear len += snprintf(buf + len, size - len, "DTIM "); 71255f6d0ffSBen Greear len += snprintf(buf + len, size - len, ")\n"); 71355f6d0ffSBen Greear 71455f6d0ffSBen Greear reg = sc->sc_ah->imask; 71555f6d0ffSBen Greear len += snprintf(buf + len, size - len, "imask: 0x%x (", reg); 71655f6d0ffSBen Greear if (reg & ATH9K_INT_SWBA) 71755f6d0ffSBen Greear len += snprintf(buf + len, size - len, "SWBA "); 71855f6d0ffSBen Greear if (reg & ATH9K_INT_BMISS) 71955f6d0ffSBen Greear len += snprintf(buf + len, size - len, "BMISS "); 72055f6d0ffSBen Greear if (reg & ATH9K_INT_CST) 72155f6d0ffSBen Greear len += snprintf(buf + len, size - len, "CST "); 72255f6d0ffSBen Greear if (reg & ATH9K_INT_RX) 72355f6d0ffSBen Greear len += snprintf(buf + len, size - len, "RX "); 72455f6d0ffSBen Greear if (reg & ATH9K_INT_RXHP) 72555f6d0ffSBen Greear len += snprintf(buf + len, size - len, "RXHP "); 72655f6d0ffSBen Greear if (reg & ATH9K_INT_RXLP) 72755f6d0ffSBen Greear len += snprintf(buf + len, size - len, "RXLP "); 72855f6d0ffSBen Greear if (reg & ATH9K_INT_BB_WATCHDOG) 72955f6d0ffSBen Greear len += snprintf(buf + len, size - len, "BB_WATCHDOG "); 73055f6d0ffSBen Greear /* there are other IRQs if one wanted to add them. */ 73155f6d0ffSBen Greear len += snprintf(buf + len, size - len, ")\n"); 73255f6d0ffSBen Greear 73355f6d0ffSBen Greear len += snprintf(buf + len, size - len, 73455f6d0ffSBen Greear "VIF Counts: AP: %i STA: %i MESH: %i WDS: %i" 73555f6d0ffSBen Greear " ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n", 73655f6d0ffSBen Greear iter_data.naps, iter_data.nstations, iter_data.nmeshes, 73755f6d0ffSBen Greear iter_data.nwds, iter_data.nadhocs, iter_data.nothers, 73855f6d0ffSBen Greear sc->nvifs, sc->nbcnvifs); 73955f6d0ffSBen Greear 74055f6d0ffSBen Greear len += snprintf(buf + len, size - len, 74155f6d0ffSBen Greear "Calculated-BSSID-Mask: %pM\n", 74255f6d0ffSBen Greear iter_data.mask); 74355f6d0ffSBen Greear 74455f6d0ffSBen Greear if (len > size) 74555f6d0ffSBen Greear len = size; 74655f6d0ffSBen Greear 74755f6d0ffSBen Greear retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 74855f6d0ffSBen Greear kfree(buf); 74955f6d0ffSBen Greear 75055f6d0ffSBen Greear return retval; 75155f6d0ffSBen Greear } 75255f6d0ffSBen Greear 753066dae93SFelix Fietkau void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, 754066dae93SFelix Fietkau struct ath_tx_status *ts) 755fec247c0SSujith { 756066dae93SFelix Fietkau int qnum = skb_get_queue_mapping(bf->bf_mpdu); 757066dae93SFelix Fietkau 758066dae93SFelix Fietkau TX_STAT_INC(qnum, tx_pkts_all); 759066dae93SFelix Fietkau sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len; 76099c15bf5SBen Greear 761fec247c0SSujith if (bf_isampdu(bf)) { 762fec247c0SSujith if (bf_isxretried(bf)) 763066dae93SFelix Fietkau TX_STAT_INC(qnum, a_xretries); 764fec247c0SSujith else 765066dae93SFelix Fietkau TX_STAT_INC(qnum, a_completed); 766fec247c0SSujith } else { 767066dae93SFelix Fietkau TX_STAT_INC(qnum, completed); 768fec247c0SSujith } 769fec247c0SSujith 770db1a052bSFelix Fietkau if (ts->ts_status & ATH9K_TXERR_FIFO) 771066dae93SFelix Fietkau TX_STAT_INC(qnum, fifo_underrun); 772db1a052bSFelix Fietkau if (ts->ts_status & ATH9K_TXERR_XTXOP) 773066dae93SFelix Fietkau TX_STAT_INC(qnum, xtxop); 774db1a052bSFelix Fietkau if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED) 775066dae93SFelix Fietkau TX_STAT_INC(qnum, timer_exp); 776db1a052bSFelix Fietkau if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR) 777066dae93SFelix Fietkau TX_STAT_INC(qnum, desc_cfg_err); 778db1a052bSFelix Fietkau if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN) 779066dae93SFelix Fietkau TX_STAT_INC(qnum, data_underrun); 780db1a052bSFelix Fietkau if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) 781066dae93SFelix Fietkau TX_STAT_INC(qnum, delim_underrun); 782fec247c0SSujith } 783fec247c0SSujith 784fec247c0SSujith static const struct file_operations fops_xmit = { 785fec247c0SSujith .read = read_file_xmit, 786fec247c0SSujith .open = ath9k_debugfs_open, 7876038f373SArnd Bergmann .owner = THIS_MODULE, 7886038f373SArnd Bergmann .llseek = default_llseek, 789fec247c0SSujith }; 790203c4805SLuis R. Rodriguez 7917f010c93SBen Greear static const struct file_operations fops_stations = { 7927f010c93SBen Greear .read = read_file_stations, 7937f010c93SBen Greear .open = ath9k_debugfs_open, 7947f010c93SBen Greear .owner = THIS_MODULE, 7957f010c93SBen Greear .llseek = default_llseek, 7967f010c93SBen Greear }; 7977f010c93SBen Greear 79855f6d0ffSBen Greear static const struct file_operations fops_misc = { 79955f6d0ffSBen Greear .read = read_file_misc, 80055f6d0ffSBen Greear .open = ath9k_debugfs_open, 80155f6d0ffSBen Greear .owner = THIS_MODULE, 80255f6d0ffSBen Greear .llseek = default_llseek, 80355f6d0ffSBen Greear }; 80455f6d0ffSBen Greear 8051395d3f0SSujith static ssize_t read_file_recv(struct file *file, char __user *user_buf, 8061395d3f0SSujith size_t count, loff_t *ppos) 8071395d3f0SSujith { 8081395d3f0SSujith #define PHY_ERR(s, p) \ 8091395d3f0SSujith len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \ 8101395d3f0SSujith sc->debug.stats.rxstats.phy_err_stats[p]); 8111395d3f0SSujith 8121395d3f0SSujith struct ath_softc *sc = file->private_data; 8131395d3f0SSujith char *buf; 8141395d3f0SSujith unsigned int len = 0, size = 1152; 8151395d3f0SSujith ssize_t retval = 0; 8161395d3f0SSujith 8171395d3f0SSujith buf = kzalloc(size, GFP_KERNEL); 8181395d3f0SSujith if (buf == NULL) 81904236066SDan Carpenter return -ENOMEM; 8201395d3f0SSujith 8211395d3f0SSujith len += snprintf(buf + len, size - len, 8221395d3f0SSujith "%18s : %10u\n", "CRC ERR", 8231395d3f0SSujith sc->debug.stats.rxstats.crc_err); 8241395d3f0SSujith len += snprintf(buf + len, size - len, 8251395d3f0SSujith "%18s : %10u\n", "DECRYPT CRC ERR", 8261395d3f0SSujith sc->debug.stats.rxstats.decrypt_crc_err); 8271395d3f0SSujith len += snprintf(buf + len, size - len, 8281395d3f0SSujith "%18s : %10u\n", "PHY ERR", 8291395d3f0SSujith sc->debug.stats.rxstats.phy_err); 8301395d3f0SSujith len += snprintf(buf + len, size - len, 8311395d3f0SSujith "%18s : %10u\n", "MIC ERR", 8321395d3f0SSujith sc->debug.stats.rxstats.mic_err); 8331395d3f0SSujith len += snprintf(buf + len, size - len, 8341395d3f0SSujith "%18s : %10u\n", "PRE-DELIM CRC ERR", 8351395d3f0SSujith sc->debug.stats.rxstats.pre_delim_crc_err); 8361395d3f0SSujith len += snprintf(buf + len, size - len, 8371395d3f0SSujith "%18s : %10u\n", "POST-DELIM CRC ERR", 8381395d3f0SSujith sc->debug.stats.rxstats.post_delim_crc_err); 8391395d3f0SSujith len += snprintf(buf + len, size - len, 8401395d3f0SSujith "%18s : %10u\n", "DECRYPT BUSY ERR", 8411395d3f0SSujith sc->debug.stats.rxstats.decrypt_busy_err); 8421395d3f0SSujith 8431395d3f0SSujith PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN); 8441395d3f0SSujith PHY_ERR("TIMING", ATH9K_PHYERR_TIMING); 8451395d3f0SSujith PHY_ERR("PARITY", ATH9K_PHYERR_PARITY); 8461395d3f0SSujith PHY_ERR("RATE", ATH9K_PHYERR_RATE); 8471395d3f0SSujith PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH); 8481395d3f0SSujith PHY_ERR("RADAR", ATH9K_PHYERR_RADAR); 8491395d3f0SSujith PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE); 8501395d3f0SSujith PHY_ERR("TOR", ATH9K_PHYERR_TOR); 8511395d3f0SSujith PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING); 8521395d3f0SSujith PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); 8531395d3f0SSujith PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); 8541395d3f0SSujith PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); 8551395d3f0SSujith PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP); 8561395d3f0SSujith PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE); 8571395d3f0SSujith PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART); 8581395d3f0SSujith PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT); 8591395d3f0SSujith PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING); 8601395d3f0SSujith PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC); 8611395d3f0SSujith PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL); 8621395d3f0SSujith PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE); 8631395d3f0SSujith PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART); 8641395d3f0SSujith PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); 8651395d3f0SSujith PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP); 8661395d3f0SSujith PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR); 8671395d3f0SSujith PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); 8681395d3f0SSujith PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL); 8691395d3f0SSujith 87099c15bf5SBen Greear len += snprintf(buf + len, size - len, 87199c15bf5SBen Greear "%18s : %10u\n", "RX-Pkts-All", 87299c15bf5SBen Greear sc->debug.stats.rxstats.rx_pkts_all); 87399c15bf5SBen Greear len += snprintf(buf + len, size - len, 87499c15bf5SBen Greear "%18s : %10u\n", "RX-Bytes-All", 87599c15bf5SBen Greear sc->debug.stats.rxstats.rx_bytes_all); 87699c15bf5SBen Greear 8772b87f3aaSDan Carpenter if (len > size) 8782b87f3aaSDan Carpenter len = size; 8792b87f3aaSDan Carpenter 8801395d3f0SSujith retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); 8811395d3f0SSujith kfree(buf); 8821395d3f0SSujith 8831395d3f0SSujith return retval; 8841395d3f0SSujith 8851395d3f0SSujith #undef PHY_ERR 8861395d3f0SSujith } 8871395d3f0SSujith 8888e6f5aa2SFelix Fietkau void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) 8891395d3f0SSujith { 8901395d3f0SSujith #define RX_STAT_INC(c) sc->debug.stats.rxstats.c++ 8911395d3f0SSujith #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ 8921395d3f0SSujith 8931395d3f0SSujith u32 phyerr; 8941395d3f0SSujith 89599c15bf5SBen Greear RX_STAT_INC(rx_pkts_all); 89699c15bf5SBen Greear sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; 89799c15bf5SBen Greear 8988e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RXERR_CRC) 8991395d3f0SSujith RX_STAT_INC(crc_err); 9008e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RXERR_DECRYPT) 9011395d3f0SSujith RX_STAT_INC(decrypt_crc_err); 9028e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RXERR_MIC) 9031395d3f0SSujith RX_STAT_INC(mic_err); 9048e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE) 9051395d3f0SSujith RX_STAT_INC(pre_delim_crc_err); 9068e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST) 9071395d3f0SSujith RX_STAT_INC(post_delim_crc_err); 9088e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY) 9091395d3f0SSujith RX_STAT_INC(decrypt_busy_err); 9101395d3f0SSujith 9118e6f5aa2SFelix Fietkau if (rs->rs_status & ATH9K_RXERR_PHY) { 9121395d3f0SSujith RX_STAT_INC(phy_err); 9138e6f5aa2SFelix Fietkau phyerr = rs->rs_phyerr & 0x24; 9141395d3f0SSujith RX_PHY_ERR_INC(phyerr); 9151395d3f0SSujith } 9161395d3f0SSujith 9171395d3f0SSujith #undef RX_STAT_INC 9181395d3f0SSujith #undef RX_PHY_ERR_INC 9191395d3f0SSujith } 9201395d3f0SSujith 9211395d3f0SSujith static const struct file_operations fops_recv = { 9221395d3f0SSujith .read = read_file_recv, 9231395d3f0SSujith .open = ath9k_debugfs_open, 9246038f373SArnd Bergmann .owner = THIS_MODULE, 9256038f373SArnd Bergmann .llseek = default_llseek, 9261395d3f0SSujith }; 9271395d3f0SSujith 9289bff0bc4SFelix Fietkau static ssize_t read_file_regidx(struct file *file, char __user *user_buf, 9299bff0bc4SFelix Fietkau size_t count, loff_t *ppos) 9309bff0bc4SFelix Fietkau { 9319bff0bc4SFelix Fietkau struct ath_softc *sc = file->private_data; 9329bff0bc4SFelix Fietkau char buf[32]; 9339bff0bc4SFelix Fietkau unsigned int len; 9349bff0bc4SFelix Fietkau 9352b87f3aaSDan Carpenter len = sprintf(buf, "0x%08x\n", sc->debug.regidx); 9369bff0bc4SFelix Fietkau return simple_read_from_buffer(user_buf, count, ppos, buf, len); 9379bff0bc4SFelix Fietkau } 9389bff0bc4SFelix Fietkau 9399bff0bc4SFelix Fietkau static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, 9409bff0bc4SFelix Fietkau size_t count, loff_t *ppos) 9419bff0bc4SFelix Fietkau { 9429bff0bc4SFelix Fietkau struct ath_softc *sc = file->private_data; 9439bff0bc4SFelix Fietkau unsigned long regidx; 9449bff0bc4SFelix Fietkau char buf[32]; 9459bff0bc4SFelix Fietkau ssize_t len; 9469bff0bc4SFelix Fietkau 9479bff0bc4SFelix Fietkau len = min(count, sizeof(buf) - 1); 9489bff0bc4SFelix Fietkau if (copy_from_user(buf, user_buf, len)) 94904236066SDan Carpenter return -EFAULT; 9509bff0bc4SFelix Fietkau 9519bff0bc4SFelix Fietkau buf[len] = '\0'; 9529bff0bc4SFelix Fietkau if (strict_strtoul(buf, 0, ®idx)) 9539bff0bc4SFelix Fietkau return -EINVAL; 9549bff0bc4SFelix Fietkau 9559bff0bc4SFelix Fietkau sc->debug.regidx = regidx; 9569bff0bc4SFelix Fietkau return count; 9579bff0bc4SFelix Fietkau } 9589bff0bc4SFelix Fietkau 9599bff0bc4SFelix Fietkau static const struct file_operations fops_regidx = { 9609bff0bc4SFelix Fietkau .read = read_file_regidx, 9619bff0bc4SFelix Fietkau .write = write_file_regidx, 9629bff0bc4SFelix Fietkau .open = ath9k_debugfs_open, 9636038f373SArnd Bergmann .owner = THIS_MODULE, 9646038f373SArnd Bergmann .llseek = default_llseek, 9659bff0bc4SFelix Fietkau }; 9669bff0bc4SFelix Fietkau 9679bff0bc4SFelix Fietkau static ssize_t read_file_regval(struct file *file, char __user *user_buf, 9689bff0bc4SFelix Fietkau size_t count, loff_t *ppos) 9699bff0bc4SFelix Fietkau { 9709bff0bc4SFelix Fietkau struct ath_softc *sc = file->private_data; 9719bff0bc4SFelix Fietkau struct ath_hw *ah = sc->sc_ah; 9729bff0bc4SFelix Fietkau char buf[32]; 9739bff0bc4SFelix Fietkau unsigned int len; 9749bff0bc4SFelix Fietkau u32 regval; 9759bff0bc4SFelix Fietkau 9769bff0bc4SFelix Fietkau regval = REG_READ_D(ah, sc->debug.regidx); 9772b87f3aaSDan Carpenter len = sprintf(buf, "0x%08x\n", regval); 9789bff0bc4SFelix Fietkau return simple_read_from_buffer(user_buf, count, ppos, buf, len); 9799bff0bc4SFelix Fietkau } 9809bff0bc4SFelix Fietkau 9819bff0bc4SFelix Fietkau static ssize_t write_file_regval(struct file *file, const char __user *user_buf, 9829bff0bc4SFelix Fietkau size_t count, loff_t *ppos) 9839bff0bc4SFelix Fietkau { 9849bff0bc4SFelix Fietkau struct ath_softc *sc = file->private_data; 9859bff0bc4SFelix Fietkau struct ath_hw *ah = sc->sc_ah; 9869bff0bc4SFelix Fietkau unsigned long regval; 9879bff0bc4SFelix Fietkau char buf[32]; 9889bff0bc4SFelix Fietkau ssize_t len; 9899bff0bc4SFelix Fietkau 9909bff0bc4SFelix Fietkau len = min(count, sizeof(buf) - 1); 9919bff0bc4SFelix Fietkau if (copy_from_user(buf, user_buf, len)) 99204236066SDan Carpenter return -EFAULT; 9939bff0bc4SFelix Fietkau 9949bff0bc4SFelix Fietkau buf[len] = '\0'; 9959bff0bc4SFelix Fietkau if (strict_strtoul(buf, 0, ®val)) 9969bff0bc4SFelix Fietkau return -EINVAL; 9979bff0bc4SFelix Fietkau 9989bff0bc4SFelix Fietkau REG_WRITE_D(ah, sc->debug.regidx, regval); 9999bff0bc4SFelix Fietkau return count; 10009bff0bc4SFelix Fietkau } 10019bff0bc4SFelix Fietkau 10029bff0bc4SFelix Fietkau static const struct file_operations fops_regval = { 10039bff0bc4SFelix Fietkau .read = read_file_regval, 10049bff0bc4SFelix Fietkau .write = write_file_regval, 10059bff0bc4SFelix Fietkau .open = ath9k_debugfs_open, 10066038f373SArnd Bergmann .owner = THIS_MODULE, 10076038f373SArnd Bergmann .llseek = default_llseek, 10089bff0bc4SFelix Fietkau }; 10099bff0bc4SFelix Fietkau 10104d6b228dSLuis R. Rodriguez int ath9k_init_debug(struct ath_hw *ah) 1011203c4805SLuis R. Rodriguez { 1012bc974f4aSLuis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 1013bc974f4aSLuis R. Rodriguez struct ath_softc *sc = (struct ath_softc *) common->priv; 10144d6b228dSLuis R. Rodriguez 1015eb272441SBen Greear sc->debug.debugfs_phy = debugfs_create_dir("ath9k", 1016eb272441SBen Greear sc->hw->wiphy->debugfsdir); 1017203c4805SLuis R. Rodriguez if (!sc->debug.debugfs_phy) 1018c8a72c00SFelix Fietkau return -ENOMEM; 1019203c4805SLuis R. Rodriguez 1020a830df07SFelix Fietkau #ifdef CONFIG_ATH_DEBUG 1021c8a72c00SFelix Fietkau if (!debugfs_create_file("debug", S_IRUSR | S_IWUSR, 1022c8a72c00SFelix Fietkau sc->debug.debugfs_phy, sc, &fops_debug)) 10232493928eSJeff Hansen goto err; 1024a830df07SFelix Fietkau #endif 10252493928eSJeff Hansen 1026c8a72c00SFelix Fietkau if (!debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, 1027c8a72c00SFelix Fietkau sc, &fops_dma)) 1028203c4805SLuis R. Rodriguez goto err; 1029203c4805SLuis R. Rodriguez 1030c8a72c00SFelix Fietkau if (!debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, 1031c8a72c00SFelix Fietkau sc, &fops_interrupt)) 1032203c4805SLuis R. Rodriguez goto err; 1033203c4805SLuis R. Rodriguez 1034c8a72c00SFelix Fietkau if (!debugfs_create_file("wiphy", S_IRUSR | S_IWUSR, 1035c8a72c00SFelix Fietkau sc->debug.debugfs_phy, sc, &fops_wiphy)) 1036203c4805SLuis R. Rodriguez goto err; 1037203c4805SLuis R. Rodriguez 1038c8a72c00SFelix Fietkau if (!debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, 1039c8a72c00SFelix Fietkau sc, &fops_xmit)) 1040fec247c0SSujith goto err; 1041fec247c0SSujith 10427f010c93SBen Greear if (!debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, 10437f010c93SBen Greear sc, &fops_stations)) 10447f010c93SBen Greear goto err; 10457f010c93SBen Greear 104655f6d0ffSBen Greear if (!debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, 104755f6d0ffSBen Greear sc, &fops_misc)) 104855f6d0ffSBen Greear goto err; 104955f6d0ffSBen Greear 1050c8a72c00SFelix Fietkau if (!debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, 1051c8a72c00SFelix Fietkau sc, &fops_recv)) 10521395d3f0SSujith goto err; 10531395d3f0SSujith 105415340694SFelix Fietkau if (!debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR, 105515340694SFelix Fietkau sc->debug.debugfs_phy, sc, &fops_rx_chainmask)) 105615340694SFelix Fietkau goto err; 105715340694SFelix Fietkau 105815340694SFelix Fietkau if (!debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, 105915340694SFelix Fietkau sc->debug.debugfs_phy, sc, &fops_tx_chainmask)) 106015340694SFelix Fietkau goto err; 106115340694SFelix Fietkau 10629bff0bc4SFelix Fietkau if (!debugfs_create_file("regidx", S_IRUSR | S_IWUSR, 10639bff0bc4SFelix Fietkau sc->debug.debugfs_phy, sc, &fops_regidx)) 10649bff0bc4SFelix Fietkau goto err; 10659bff0bc4SFelix Fietkau 10669bff0bc4SFelix Fietkau if (!debugfs_create_file("regval", S_IRUSR | S_IWUSR, 10679bff0bc4SFelix Fietkau sc->debug.debugfs_phy, sc, &fops_regval)) 10689bff0bc4SFelix Fietkau goto err; 10699bff0bc4SFelix Fietkau 107041f3e54dSFelix Fietkau if (!debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR, 107141f3e54dSFelix Fietkau sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca)) 107241f3e54dSFelix Fietkau goto err; 107341f3e54dSFelix Fietkau 10749bff0bc4SFelix Fietkau sc->debug.regidx = 0; 1075203c4805SLuis R. Rodriguez return 0; 1076203c4805SLuis R. Rodriguez err: 1077c8a72c00SFelix Fietkau debugfs_remove_recursive(sc->debug.debugfs_phy); 1078eb272441SBen Greear sc->debug.debugfs_phy = NULL; 1079eb272441SBen Greear return -ENOMEM; 1080203c4805SLuis R. Rodriguez } 1081