| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Wey-Yi Guy | 4683 | 61.53% | 1 | 5.26% |
| Stanislaw Gruszka | 2885 | 37.91% | 11 | 57.89% |
| Joe Perches | 28 | 0.37% | 1 | 5.26% |
| Luis R. Rodriguez | 4 | 0.05% | 1 | 5.26% |
| Paul Gortmaker | 3 | 0.04% | 1 | 5.26% |
| Stephen Boyd | 3 | 0.04% | 1 | 5.26% |
| Andy Shevchenko | 2 | 0.03% | 1 | 5.26% |
| Johannes Berg | 2 | 0.03% | 1 | 5.26% |
| Rashika Kheria | 1 | 0.01% | 1 | 5.26% |
| Total | 7611 | 19 |
/****************************************************************************** * * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, * USA * * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * Contact Information: * Intel Linux Wireless <ilw@linux.intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *****************************************************************************/ #include <linux/ieee80211.h> #include <linux/export.h> #include <net/mac80211.h> #include "common.h" static void il_clear_traffic_stats(struct il_priv *il) { memset(&il->tx_stats, 0, sizeof(struct traffic_stats)); memset(&il->rx_stats, 0, sizeof(struct traffic_stats)); } /* * il_update_stats function record all the MGMT, CTRL and DATA pkt for * both TX and Rx . Use debugfs to display the rx/rx_stats */ void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) { struct traffic_stats *stats; if (is_tx) stats = &il->tx_stats; else stats = &il->rx_stats; if (ieee80211_is_mgmt(fc)) { switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ): stats->mgmt[MANAGEMENT_ASSOC_REQ]++; break; case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP): stats->mgmt[MANAGEMENT_ASSOC_RESP]++; break; case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ): stats->mgmt[MANAGEMENT_REASSOC_REQ]++; break; case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP): stats->mgmt[MANAGEMENT_REASSOC_RESP]++; break; case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ): stats->mgmt[MANAGEMENT_PROBE_REQ]++; break; case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): stats->mgmt[MANAGEMENT_PROBE_RESP]++; break; case cpu_to_le16(IEEE80211_STYPE_BEACON): stats->mgmt[MANAGEMENT_BEACON]++; break; case cpu_to_le16(IEEE80211_STYPE_ATIM): stats->mgmt[MANAGEMENT_ATIM]++; break; case cpu_to_le16(IEEE80211_STYPE_DISASSOC): stats->mgmt[MANAGEMENT_DISASSOC]++; break; case cpu_to_le16(IEEE80211_STYPE_AUTH): stats->mgmt[MANAGEMENT_AUTH]++; break; case cpu_to_le16(IEEE80211_STYPE_DEAUTH): stats->mgmt[MANAGEMENT_DEAUTH]++; break; case cpu_to_le16(IEEE80211_STYPE_ACTION): stats->mgmt[MANAGEMENT_ACTION]++; break; } } else if (ieee80211_is_ctl(fc)) { switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { case cpu_to_le16(IEEE80211_STYPE_BACK_REQ): stats->ctrl[CONTROL_BACK_REQ]++; break; case cpu_to_le16(IEEE80211_STYPE_BACK): stats->ctrl[CONTROL_BACK]++; break; case cpu_to_le16(IEEE80211_STYPE_PSPOLL): stats->ctrl[CONTROL_PSPOLL]++; break; case cpu_to_le16(IEEE80211_STYPE_RTS): stats->ctrl[CONTROL_RTS]++; break; case cpu_to_le16(IEEE80211_STYPE_CTS): stats->ctrl[CONTROL_CTS]++; break; case cpu_to_le16(IEEE80211_STYPE_ACK): stats->ctrl[CONTROL_ACK]++; break; case cpu_to_le16(IEEE80211_STYPE_CFEND): stats->ctrl[CONTROL_CFEND]++; break; case cpu_to_le16(IEEE80211_STYPE_CFENDACK): stats->ctrl[CONTROL_CFENDACK]++; break; } } else { /* data */ stats->data_cnt++; stats->data_bytes += len; } } EXPORT_SYMBOL(il_update_stats); /* create and remove of files */ #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ if (!debugfs_create_file(#name, mode, parent, il, \ &il_dbgfs_##name##_ops)) \ goto err; \ } while (0) #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ struct dentry *__tmp; \ __tmp = debugfs_create_bool(#name, 0600, parent, ptr); \ if (IS_ERR(__tmp) || !__tmp) \ goto err; \ } while (0) #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ struct dentry *__tmp; \ __tmp = debugfs_create_x32(#name, 0600, parent, ptr); \ if (IS_ERR(__tmp) || !__tmp) \ goto err; \ } while (0) /* file operation */ #define DEBUGFS_READ_FUNC(name) \ static ssize_t il_dbgfs_##name##_read(struct file *file, \ char __user *user_buf, \ size_t count, loff_t *ppos); #define DEBUGFS_WRITE_FUNC(name) \ static ssize_t il_dbgfs_##name##_write(struct file *file, \ const char __user *user_buf, \ size_t count, loff_t *ppos); #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .read = il_dbgfs_##name##_read, \ .open = simple_open, \ .llseek = generic_file_llseek, \ }; #define DEBUGFS_WRITE_FILE_OPS(name) \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .write = il_dbgfs_##name##_write, \ .open = simple_open, \ .llseek = generic_file_llseek, \ }; #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .write = il_dbgfs_##name##_write, \ .read = il_dbgfs_##name##_read, \ .open = simple_open, \ .llseek = generic_file_llseek, \ }; static const char * il_get_mgmt_string(int cmd) { switch (cmd) { IL_CMD(MANAGEMENT_ASSOC_REQ); IL_CMD(MANAGEMENT_ASSOC_RESP); IL_CMD(MANAGEMENT_REASSOC_REQ); IL_CMD(MANAGEMENT_REASSOC_RESP); IL_CMD(MANAGEMENT_PROBE_REQ); IL_CMD(MANAGEMENT_PROBE_RESP); IL_CMD(MANAGEMENT_BEACON); IL_CMD(MANAGEMENT_ATIM); IL_CMD(MANAGEMENT_DISASSOC); IL_CMD(MANAGEMENT_AUTH); IL_CMD(MANAGEMENT_DEAUTH); IL_CMD(MANAGEMENT_ACTION); default: return "UNKNOWN"; } } static const char * il_get_ctrl_string(int cmd) { switch (cmd) { IL_CMD(CONTROL_BACK_REQ); IL_CMD(CONTROL_BACK); IL_CMD(CONTROL_PSPOLL); IL_CMD(CONTROL_RTS); IL_CMD(CONTROL_CTS); IL_CMD(CONTROL_ACK); IL_CMD(CONTROL_CFEND); IL_CMD(CONTROL_CFENDACK); default: return "UNKNOWN"; } } static ssize_t il_dbgfs_tx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char *buf; int pos = 0; int cnt; ssize_t ret; const size_t bufsz = 100 + sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) return -ENOMEM; pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n", il_get_mgmt_string(cnt), il->tx_stats.mgmt[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); for (cnt = 0; cnt < CONTROL_MAX; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n", il_get_ctrl_string(cnt), il->tx_stats.ctrl[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", il->tx_stats.data_cnt); pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", il->tx_stats.data_bytes); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_clear_traffic_stats_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; u32 clear_flag; char buf[8]; int buf_size; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%x", &clear_flag) != 1) return -EFAULT; il_clear_traffic_stats(il); return count; } static ssize_t il_dbgfs_rx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char *buf; int pos = 0; int cnt; ssize_t ret; const size_t bufsz = 100 + sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) return -ENOMEM; pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n", il_get_mgmt_string(cnt), il->rx_stats.mgmt[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); for (cnt = 0; cnt < CONTROL_MAX; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n", il_get_ctrl_string(cnt), il->rx_stats.ctrl[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", il->rx_stats.data_cnt); pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", il->rx_stats.data_bytes); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } #define BYTE1_MASK 0x000000ff; #define BYTE2_MASK 0x0000ffff; #define BYTE3_MASK 0x00ffffff; static ssize_t il_dbgfs_sram_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { u32 val; char *buf; ssize_t ret; int i; int pos = 0; struct il_priv *il = file->private_data; size_t bufsz; /* default is to dump the entire data segment */ if (!il->dbgfs_sram_offset && !il->dbgfs_sram_len) { il->dbgfs_sram_offset = 0x800000; if (il->ucode_type == UCODE_INIT) il->dbgfs_sram_len = il->ucode_init_data.len; else il->dbgfs_sram_len = il->ucode_data.len; } bufsz = 30 + il->dbgfs_sram_len * sizeof(char) * 10; buf = kmalloc(bufsz, GFP_KERNEL); if (!buf) return -ENOMEM; pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", il->dbgfs_sram_len); pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", il->dbgfs_sram_offset); for (i = il->dbgfs_sram_len; i > 0; i -= 4) { val = il_read_targ_mem(il, il->dbgfs_sram_offset + il->dbgfs_sram_len - i); if (i < 4) { switch (i) { case 1: val &= BYTE1_MASK; break; case 2: val &= BYTE2_MASK; break; case 3: val &= BYTE3_MASK; break; } } if (!(i % 16)) pos += scnprintf(buf + pos, bufsz - pos, "\n"); pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_sram_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[64]; int buf_size; u32 offset, len; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%x,%x", &offset, &len) == 2) { il->dbgfs_sram_offset = offset; il->dbgfs_sram_len = len; } else { il->dbgfs_sram_offset = 0; il->dbgfs_sram_len = 0; } return count; } static ssize_t il_dbgfs_stations_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; struct il_station_entry *station; int max_sta = il->hw_params.max_stations; char *buf; int i, j, pos = 0; ssize_t ret; /* Add 30 for initial string */ const size_t bufsz = 30 + sizeof(char) * 500 * (il->num_stations); buf = kmalloc(bufsz, GFP_KERNEL); if (!buf) return -ENOMEM; pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", il->num_stations); for (i = 0; i < max_sta; i++) { station = &il->stations[i]; if (!station->used) continue; pos += scnprintf(buf + pos, bufsz - pos, "station %d - addr: %pM, flags: %#x\n", i, station->sta.sta.addr, station->sta.station_flags_msk); pos += scnprintf(buf + pos, bufsz - pos, "TID\tseq_num\ttxq_id\tframes\ttfds\t"); pos += scnprintf(buf + pos, bufsz - pos, "start_idx\tbitmap\t\t\trate_n_flags\n"); for (j = 0; j < MAX_TID_COUNT; j++) { pos += scnprintf(buf + pos, bufsz - pos, "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x", j, station->tid[j].seq_number, station->tid[j].agg.txq_id, station->tid[j].agg.frame_count, station->tid[j].tfds_in_queue, station->tid[j].agg.start_idx, station->tid[j].agg.bitmap, station->tid[j].agg.rate_n_flags); if (station->tid[j].agg.wait_for_ba) pos += scnprintf(buf + pos, bufsz - pos, " - waitforba"); pos += scnprintf(buf + pos, bufsz - pos, "\n"); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_nvm_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { ssize_t ret; struct il_priv *il = file->private_data; int pos = 0, ofs = 0, buf_size = 0; const u8 *ptr; char *buf; u16 eeprom_ver; size_t eeprom_len = il->cfg->eeprom_size; buf_size = 4 * eeprom_len + 256; if (eeprom_len % 16) { IL_ERR("NVM size is not multiple of 16.\n"); return -ENODATA; } ptr = il->eeprom; if (!ptr) { IL_ERR("Invalid EEPROM memory\n"); return -ENOMEM; } /* 4 characters for byte 0xYY */ buf = kzalloc(buf_size, GFP_KERNEL); if (!buf) { IL_ERR("Can not allocate Buffer\n"); return -ENOMEM; } eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION); pos += scnprintf(buf + pos, buf_size - pos, "EEPROM " "version: 0x%x\n", eeprom_ver); for (ofs = 0; ofs < eeprom_len; ofs += 16) { pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", ofs, ptr + ofs); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; struct ieee80211_channel *channels = NULL; const struct ieee80211_supported_band *supp_band = NULL; int pos = 0, i, bufsz = PAGE_SIZE; char *buf; ssize_t ret; if (!test_bit(S_GEO_CONFIGURED, &il->status)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) { IL_ERR("Can not allocate Buffer\n"); return -ENOMEM; } supp_band = il_get_hw_mode(il, NL80211_BAND_2GHZ); if (supp_band) { channels = supp_band->channels; pos += scnprintf(buf + pos, bufsz - pos, "Displaying %d channels in 2.4GHz band 802.11bg):\n", supp_band->n_channels); for (i = 0; i < supp_band->n_channels; i++) pos += scnprintf(buf + pos, bufsz - pos, "%d: %ddBm: BSS%s%s, %s.\n", channels[i].hw_value, channels[i].max_power, channels[i]. flags & IEEE80211_CHAN_RADAR ? " (IEEE 802.11h required)" : "", ((channels[i]. flags & IEEE80211_CHAN_NO_IR) || (channels[i]. flags & IEEE80211_CHAN_RADAR)) ? "" : ", IBSS", channels[i]. flags & IEEE80211_CHAN_NO_IR ? "passive only" : "active/passive"); } supp_band = il_get_hw_mode(il, NL80211_BAND_5GHZ); if (supp_band) { channels = supp_band->channels; pos += scnprintf(buf + pos, bufsz - pos, "Displaying %d channels in 5.2GHz band (802.11a)\n", supp_band->n_channels); for (i = 0; i < supp_band->n_channels; i++) pos += scnprintf(buf + pos, bufsz - pos, "%d: %ddBm: BSS%s%s, %s.\n", channels[i].hw_value, channels[i].max_power, channels[i]. flags & IEEE80211_CHAN_RADAR ? " (IEEE 802.11h required)" : "", ((channels[i]. flags & IEEE80211_CHAN_NO_IR) || (channels[i]. flags & IEEE80211_CHAN_RADAR)) ? "" : ", IBSS", channels[i]. flags & IEEE80211_CHAN_NO_IR ? "passive only" : "active/passive"); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_status_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[512]; int pos = 0; const size_t bufsz = sizeof(buf); pos += scnprintf(buf + pos, bufsz - pos, "S_HCMD_ACTIVE:\t %d\n", test_bit(S_HCMD_ACTIVE, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_INT_ENABLED:\t %d\n", test_bit(S_INT_ENABLED, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_RFKILL:\t %d\n", test_bit(S_RFKILL, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_CT_KILL:\t\t %d\n", test_bit(S_CT_KILL, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_INIT:\t\t %d\n", test_bit(S_INIT, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_ALIVE:\t\t %d\n", test_bit(S_ALIVE, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_READY:\t\t %d\n", test_bit(S_READY, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_TEMPERATURE:\t %d\n", test_bit(S_TEMPERATURE, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_GEO_CONFIGURED:\t %d\n", test_bit(S_GEO_CONFIGURED, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_EXIT_PENDING:\t %d\n", test_bit(S_EXIT_PENDING, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_STATS:\t %d\n", test_bit(S_STATS, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_SCANNING:\t %d\n", test_bit(S_SCANNING, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_SCAN_ABORTING:\t %d\n", test_bit(S_SCAN_ABORTING, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_SCAN_HW:\t\t %d\n", test_bit(S_SCAN_HW, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_POWER_PMI:\t %d\n", test_bit(S_POWER_PMI, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_FW_ERROR:\t %d\n", test_bit(S_FW_ERROR, &il->status)); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t il_dbgfs_interrupt_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int pos = 0; int cnt = 0; char *buf; int bufsz = 24 * 64; /* 24 items * 64 char per item */ ssize_t ret; buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) { IL_ERR("Can not allocate Buffer\n"); return -ENOMEM; } pos += scnprintf(buf + pos, bufsz - pos, "Interrupt Statistics Report:\n"); pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", il->isr_stats.hw); pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", il->isr_stats.sw); if (il->isr_stats.sw || il->isr_stats.hw) { pos += scnprintf(buf + pos, bufsz - pos, "\tLast Restarting Code: 0x%X\n", il->isr_stats.err_code); } #ifdef CONFIG_IWLEGACY_DEBUG pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", il->isr_stats.sch); pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", il->isr_stats.alive); #endif pos += scnprintf(buf + pos, bufsz - pos, "HW RF KILL switch toggled:\t %u\n", il->isr_stats.rfkill); pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", il->isr_stats.ctkill); pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", il->isr_stats.wakeup); pos += scnprintf(buf + pos, bufsz - pos, "Rx command responses:\t\t %u\n", il->isr_stats.rx); for (cnt = 0; cnt < IL_CN_MAX; cnt++) { if (il->isr_stats.handlers[cnt] > 0) pos += scnprintf(buf + pos, bufsz - pos, "\tRx handler[%36s]:\t\t %u\n", il_get_cmd_string(cnt), il->isr_stats.handlers[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", il->isr_stats.tx); pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", il->isr_stats.unhandled); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_interrupt_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[8]; int buf_size; u32 reset_flag; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%x", &reset_flag) != 1) return -EFAULT; if (reset_flag == 0) il_clear_isr_stats(il); return count; } static ssize_t il_dbgfs_qos_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int pos = 0, i; char buf[256]; const size_t bufsz = sizeof(buf); for (i = 0; i < AC_NUM; i++) { pos += scnprintf(buf + pos, bufsz - pos, "\tcw_min\tcw_max\taifsn\ttxop\n"); pos += scnprintf(buf + pos, bufsz - pos, "AC[%d]\t%u\t%u\t%u\t%u\n", i, il->qos_data.def_qos_parm.ac[i].cw_min, il->qos_data.def_qos_parm.ac[i].cw_max, il->qos_data.def_qos_parm.ac[i].aifsn, il->qos_data.def_qos_parm.ac[i].edca_txop); } return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t il_dbgfs_disable_ht40_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[8]; int buf_size; int ht40; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%d", &ht40) != 1) return -EFAULT; if (!il_is_any_associated(il)) il->disable_ht40 = ht40 ? true : false; else { IL_ERR("Sta associated with AP - " "Change to 40MHz channel support is not allowed\n"); return -EINVAL; } return count; } static ssize_t il_dbgfs_disable_ht40_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[100]; int pos = 0; const size_t bufsz = sizeof(buf); pos += scnprintf(buf + pos, bufsz - pos, "11n 40MHz Mode: %s\n", il->disable_ht40 ? "Disabled" : "Enabled"); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } DEBUGFS_READ_WRITE_FILE_OPS(sram); DEBUGFS_READ_FILE_OPS(nvm); DEBUGFS_READ_FILE_OPS(stations); DEBUGFS_READ_FILE_OPS(channels); DEBUGFS_READ_FILE_OPS(status); DEBUGFS_READ_WRITE_FILE_OPS(interrupt); DEBUGFS_READ_FILE_OPS(qos); DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); static ssize_t il_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; struct il_tx_queue *txq; struct il_queue *q; char *buf; int pos = 0; int cnt; int ret; const size_t bufsz = sizeof(char) * 64 * il->cfg->num_of_queues; if (!il->txq) { IL_ERR("txq not ready\n"); return -EAGAIN; } buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) return -ENOMEM; for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) { txq = &il->txq[cnt]; q = &txq->q; pos += scnprintf(buf + pos, bufsz - pos, "hwq %.2d: read=%u write=%u stop=%d" " swq_id=%#.2x (ac %d/hwq %d)\n", cnt, q->read_ptr, q->write_ptr, !!test_bit(cnt, il->queue_stopped), txq->swq_id, txq->swq_id & 3, (txq->swq_id >> 2) & 0x1f); if (cnt >= 4) continue; /* for the ACs, display the stop count too */ pos += scnprintf(buf + pos, bufsz - pos, " stop-count: %d\n", atomic_read(&il->queue_stop_count[cnt])); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_rx_queue_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; struct il_rx_queue *rxq = &il->rxq; char buf[256]; int pos = 0; const size_t bufsz = sizeof(buf); pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", rxq->read); pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", rxq->write); pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", rxq->free_count); if (rxq->rb_stts) { pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", le16_to_cpu(rxq->rb_stts-> closed_rb_num) & 0x0FFF); } else { pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: Not Allocated\n"); } return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t il_dbgfs_ucode_rx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; return il->debugfs_ops->rx_stats_read(file, user_buf, count, ppos); } static ssize_t il_dbgfs_ucode_tx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; return il->debugfs_ops->tx_stats_read(file, user_buf, count, ppos); } static ssize_t il_dbgfs_ucode_general_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; return il->debugfs_ops->general_stats_read(file, user_buf, count, ppos); } static ssize_t il_dbgfs_sensitivity_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int pos = 0; int cnt = 0; char *buf; int bufsz = sizeof(struct il_sensitivity_data) * 4 + 100; ssize_t ret; struct il_sensitivity_data *data; data = &il->sensitivity_data; buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) { IL_ERR("Can not allocate Buffer\n"); return -ENOMEM; } pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", data->auto_corr_ofdm); pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc:\t\t %u\n", data->auto_corr_ofdm_mrc); pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", data->auto_corr_ofdm_x1); pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc_x1:\t\t %u\n", data->auto_corr_ofdm_mrc_x1); pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", data->auto_corr_cck); pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", data->auto_corr_cck_mrc); pos += scnprintf(buf + pos, bufsz - pos, "last_bad_plcp_cnt_ofdm:\t\t %u\n", data->last_bad_plcp_cnt_ofdm); pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", data->last_fa_cnt_ofdm); pos += scnprintf(buf + pos, bufsz - pos, "last_bad_plcp_cnt_cck:\t\t %u\n", data->last_bad_plcp_cnt_cck); pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", data->last_fa_cnt_cck); pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", data->nrg_curr_state); pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", data->nrg_prev_state); pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); for (cnt = 0; cnt < 10; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, " %u", data->nrg_value[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, " %u", data->nrg_silence_rssi[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", data->nrg_silence_ref); pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", data->nrg_energy_idx); pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", data->nrg_silence_idx); pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", data->nrg_th_cck); pos += scnprintf(buf + pos, bufsz - pos, "nrg_auto_corr_silence_diff:\t %u\n", data->nrg_auto_corr_silence_diff); pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", data->num_in_cck_no_fa); pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", data->nrg_th_ofdm); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_chain_noise_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int pos = 0; int cnt = 0; char *buf; int bufsz = sizeof(struct il_chain_noise_data) * 4 + 100; ssize_t ret; struct il_chain_noise_data *data; data = &il->chain_noise_data; buf = kzalloc(bufsz, GFP_KERNEL); if (!buf) { IL_ERR("Can not allocate Buffer\n"); return -ENOMEM; } pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", data->active_chains); pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", data->chain_noise_a); pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", data->chain_noise_b); pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", data->chain_noise_c); pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", data->chain_signal_a); pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", data->chain_signal_b); pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", data->chain_signal_c); pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", data->beacon_count); pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, " %u", data->disconn_array[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { pos += scnprintf(buf + pos, bufsz - pos, " %u", data->delta_gain_code[cnt]); } pos += scnprintf(buf + pos, bufsz - pos, "\n"); pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", data->radio_write); pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", data->state); ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; } static ssize_t il_dbgfs_power_save_status_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[60]; int pos = 0; const size_t bufsz = sizeof(buf); u32 pwrsave_status; pwrsave_status = _il_rd(il, CSR_GP_CNTRL) & CSR_GP_REG_POWER_SAVE_STATUS_MSK; pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); pos += scnprintf(buf + pos, bufsz - pos, "%s\n", (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : "error"); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t il_dbgfs_clear_ucode_stats_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[8]; int buf_size; int clear; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%d", &clear) != 1) return -EFAULT; /* make request to uCode to retrieve stats information */ mutex_lock(&il->mutex); il_send_stats_request(il, CMD_SYNC, true); mutex_unlock(&il->mutex); return count; } static ssize_t il_dbgfs_rxon_flags_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int len = 0; char buf[20]; len = sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.flags)); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t il_dbgfs_rxon_filter_flags_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int len = 0; char buf[20]; len = sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.filter_flags)); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static ssize_t il_dbgfs_fh_reg_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char *buf; int pos = 0; ssize_t ret = -EFAULT; if (il->ops->dump_fh) { ret = pos = il->ops->dump_fh(il, &buf, true); if (buf) { ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); } } return ret; } static ssize_t il_dbgfs_missed_beacon_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int pos = 0; char buf[12]; const size_t bufsz = sizeof(buf); pos += scnprintf(buf + pos, bufsz - pos, "%d\n", il->missed_beacon_threshold); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t il_dbgfs_missed_beacon_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[8]; int buf_size; int missed; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%d", &missed) != 1) return -EINVAL; if (missed < IL_MISSED_BEACON_THRESHOLD_MIN || missed > IL_MISSED_BEACON_THRESHOLD_MAX) il->missed_beacon_threshold = IL_MISSED_BEACON_THRESHOLD_DEF; else il->missed_beacon_threshold = missed; return count; } static ssize_t il_dbgfs_force_reset_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; int pos = 0; char buf[300]; const size_t bufsz = sizeof(buf); struct il_force_reset *force_reset; force_reset = &il->force_reset; pos += scnprintf(buf + pos, bufsz - pos, "\tnumber of reset request: %d\n", force_reset->reset_request_count); pos += scnprintf(buf + pos, bufsz - pos, "\tnumber of reset request success: %d\n", force_reset->reset_success_count); pos += scnprintf(buf + pos, bufsz - pos, "\tnumber of reset request reject: %d\n", force_reset->reset_reject_count); pos += scnprintf(buf + pos, bufsz - pos, "\treset duration: %lu\n", force_reset->reset_duration); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } static ssize_t il_dbgfs_force_reset_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { int ret; struct il_priv *il = file->private_data; ret = il_force_reset(il, true); return ret ? ret : count; } static ssize_t il_dbgfs_wd_timeout_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; char buf[8]; int buf_size; int timeout; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%d", &timeout) != 1) return -EINVAL; if (timeout < 0 || timeout > IL_MAX_WD_TIMEOUT) timeout = IL_DEF_WD_TIMEOUT; il->cfg->wd_timeout = timeout; il_setup_watchdog(il); return count; } DEBUGFS_READ_FILE_OPS(rx_stats); DEBUGFS_READ_FILE_OPS(tx_stats); DEBUGFS_READ_FILE_OPS(rx_queue); DEBUGFS_READ_FILE_OPS(tx_queue); DEBUGFS_READ_FILE_OPS(ucode_rx_stats); DEBUGFS_READ_FILE_OPS(ucode_tx_stats); DEBUGFS_READ_FILE_OPS(ucode_general_stats); DEBUGFS_READ_FILE_OPS(sensitivity); DEBUGFS_READ_FILE_OPS(chain_noise); DEBUGFS_READ_FILE_OPS(power_save_status); DEBUGFS_WRITE_FILE_OPS(clear_ucode_stats); DEBUGFS_WRITE_FILE_OPS(clear_traffic_stats); DEBUGFS_READ_FILE_OPS(fh_reg); DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); DEBUGFS_READ_WRITE_FILE_OPS(force_reset); DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags); DEBUGFS_WRITE_FILE_OPS(wd_timeout); /* * Create the debugfs files and directories * */ int il_dbgfs_register(struct il_priv *il, const char *name) { struct dentry *phyd = il->hw->wiphy->debugfsdir; struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; dir_drv = debugfs_create_dir(name, phyd); if (!dir_drv) return -ENOMEM; il->debugfs_dir = dir_drv; dir_data = debugfs_create_dir("data", dir_drv); if (!dir_data) goto err; dir_rf = debugfs_create_dir("rf", dir_drv); if (!dir_rf) goto err; dir_debug = debugfs_create_dir("debug", dir_drv); if (!dir_debug) goto err; DEBUGFS_ADD_FILE(nvm, dir_data, 0400); DEBUGFS_ADD_FILE(sram, dir_data, 0600); DEBUGFS_ADD_FILE(stations, dir_data, 0400); DEBUGFS_ADD_FILE(channels, dir_data, 0400); DEBUGFS_ADD_FILE(status, dir_data, 0400); DEBUGFS_ADD_FILE(interrupt, dir_data, 0600); DEBUGFS_ADD_FILE(qos, dir_data, 0400); DEBUGFS_ADD_FILE(disable_ht40, dir_data, 0600); DEBUGFS_ADD_FILE(rx_stats, dir_debug, 0400); DEBUGFS_ADD_FILE(tx_stats, dir_debug, 0400); DEBUGFS_ADD_FILE(rx_queue, dir_debug, 0400); DEBUGFS_ADD_FILE(tx_queue, dir_debug, 0400); DEBUGFS_ADD_FILE(power_save_status, dir_debug, 0400); DEBUGFS_ADD_FILE(clear_ucode_stats, dir_debug, 0200); DEBUGFS_ADD_FILE(clear_traffic_stats, dir_debug, 0200); DEBUGFS_ADD_FILE(fh_reg, dir_debug, 0400); DEBUGFS_ADD_FILE(missed_beacon, dir_debug, 0200); DEBUGFS_ADD_FILE(force_reset, dir_debug, 0600); DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, 0400); DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, 0400); DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, 0400); if (il->cfg->sensitivity_calib_by_driver) DEBUGFS_ADD_FILE(sensitivity, dir_debug, 0400); if (il->cfg->chain_noise_calib_by_driver) DEBUGFS_ADD_FILE(chain_noise, dir_debug, 0400); DEBUGFS_ADD_FILE(rxon_flags, dir_debug, 0200); DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, 0200); DEBUGFS_ADD_FILE(wd_timeout, dir_debug, 0200); if (il->cfg->sensitivity_calib_by_driver) DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &il->disable_sens_cal); if (il->cfg->chain_noise_calib_by_driver) DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, &il->disable_chain_noise_cal); DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, &il->disable_tx_power_cal); return 0; err: IL_ERR("Can't create the debugfs directory\n"); il_dbgfs_unregister(il); return -ENOMEM; } EXPORT_SYMBOL(il_dbgfs_register); /** * Remove the debugfs files and directories * */ void il_dbgfs_unregister(struct il_priv *il) { if (!il->debugfs_dir) return; debugfs_remove_recursive(il->debugfs_dir); il->debugfs_dir = NULL; } EXPORT_SYMBOL(il_dbgfs_unregister);
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