diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/debugfs.c | 488 |
1 files changed, 0 insertions, 488 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c deleted file mode 100644 index b6199d1..0000000 --- a/drivers/net/wireless/iwmc3200wifi/debugfs.c +++ /dev/null @@ -1,488 +0,0 @@ -/* - * Intel Wireless Multicomm 3200 WiFi driver - * - * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com> - * Samuel Ortiz <samuel.ortiz@intel.com> - * Zhu Yi <yi.zhu@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 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 - * 02110-1301, USA. - * - */ - -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/bitops.h> -#include <linux/debugfs.h> -#include <linux/export.h> - -#include "iwm.h" -#include "bus.h" -#include "rx.h" -#include "debug.h" - -static struct { - u8 id; - char *name; -} iwm_debug_module[__IWM_DM_NR] = { - {IWM_DM_BOOT, "boot"}, - {IWM_DM_FW, "fw"}, - {IWM_DM_SDIO, "sdio"}, - {IWM_DM_NTF, "ntf"}, - {IWM_DM_RX, "rx"}, - {IWM_DM_TX, "tx"}, - {IWM_DM_MLME, "mlme"}, - {IWM_DM_CMD, "cmd"}, - {IWM_DM_WEXT, "wext"}, -}; - -#define add_dbg_module(dbg, name, id, initlevel) \ -do { \ - dbg.dbg_module[id] = (initlevel); \ - dbg.dbg_module_dentries[id] = \ - debugfs_create_x8(name, 0600, \ - dbg.dbgdir, \ - &(dbg.dbg_module[id])); \ -} while (0) - -static int iwm_debugfs_u32_read(void *data, u64 *val) -{ - struct iwm_priv *iwm = data; - - *val = iwm->dbg.dbg_level; - return 0; -} - -static int iwm_debugfs_dbg_level_write(void *data, u64 val) -{ - struct iwm_priv *iwm = data; - int i; - - iwm->dbg.dbg_level = val; - - for (i = 0; i < __IWM_DM_NR; i++) - iwm->dbg.dbg_module[i] = val; - - return 0; -} -DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_level, - iwm_debugfs_u32_read, iwm_debugfs_dbg_level_write, - "%llu\n"); - -static int iwm_debugfs_dbg_modules_write(void *data, u64 val) -{ - struct iwm_priv *iwm = data; - int i, bit; - - iwm->dbg.dbg_modules = val; - - for (i = 0; i < __IWM_DM_NR; i++) - iwm->dbg.dbg_module[i] = 0; - - for_each_set_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR) - iwm->dbg.dbg_module[bit] = iwm->dbg.dbg_level; - - return 0; -} -DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules, - iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write, - "%llu\n"); - - -static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer, - size_t count, loff_t *ppos) -{ - struct iwm_priv *iwm = filp->private_data; - char *buf; - int i, buf_len = 4096; - size_t len = 0; - ssize_t ret; - - if (*ppos != 0) - return 0; - if (count < sizeof(buf)) - return -ENOSPC; - - buf = kzalloc(buf_len, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - for (i = 0; i < IWM_TX_QUEUES; i++) { - struct iwm_tx_queue *txq = &iwm->txq[i]; - struct sk_buff *skb; - int j; - unsigned long flags; - - spin_lock_irqsave(&txq->queue.lock, flags); - - skb = (struct sk_buff *)&txq->queue; - - len += snprintf(buf + len, buf_len - len, "TXQ #%d\n", i); - len += snprintf(buf + len, buf_len - len, "\tStopped: %d\n", - __netif_subqueue_stopped(iwm_to_ndev(iwm), - txq->id)); - len += snprintf(buf + len, buf_len - len, "\tConcat count:%d\n", - txq->concat_count); - len += snprintf(buf + len, buf_len - len, "\tQueue len: %d\n", - skb_queue_len(&txq->queue)); - for (j = 0; j < skb_queue_len(&txq->queue); j++) { - struct iwm_tx_info *tx_info; - - skb = skb->next; - tx_info = skb_to_tx_info(skb); - - len += snprintf(buf + len, buf_len - len, - "\tSKB #%d\n", j); - len += snprintf(buf + len, buf_len - len, - "\t\tsta: %d\n", tx_info->sta); - len += snprintf(buf + len, buf_len - len, - "\t\tcolor: %d\n", tx_info->color); - len += snprintf(buf + len, buf_len - len, - "\t\ttid: %d\n", tx_info->tid); - } - - spin_unlock_irqrestore(&txq->queue.lock, flags); - - spin_lock_irqsave(&txq->stopped_queue.lock, flags); - - len += snprintf(buf + len, buf_len - len, - "\tStopped Queue len: %d\n", - skb_queue_len(&txq->stopped_queue)); - for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) { - struct iwm_tx_info *tx_info; - - skb = skb->next; - tx_info = skb_to_tx_info(skb); - - len += snprintf(buf + len, buf_len - len, - "\tSKB #%d\n", j); - len += snprintf(buf + len, buf_len - len, - "\t\tsta: %d\n", tx_info->sta); - len += snprintf(buf + len, buf_len - len, - "\t\tcolor: %d\n", tx_info->color); - len += snprintf(buf + len, buf_len - len, - "\t\ttid: %d\n", tx_info->tid); - } - - spin_unlock_irqrestore(&txq->stopped_queue.lock, flags); - } - - ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); - kfree(buf); - - return ret; -} - -static ssize_t iwm_debugfs_tx_credit_read(struct file *filp, - char __user *buffer, - size_t count, loff_t *ppos) -{ - struct iwm_priv *iwm = filp->private_data; - struct iwm_tx_credit *credit = &iwm->tx_credit; - char *buf; - int i, buf_len = 4096; - size_t len = 0; - ssize_t ret; - - if (*ppos != 0) - return 0; - if (count < sizeof(buf)) - return -ENOSPC; - - buf = kzalloc(buf_len, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - len += snprintf(buf + len, buf_len - len, - "NR pools: %d\n", credit->pool_nr); - len += snprintf(buf + len, buf_len - len, - "pools map: 0x%lx\n", credit->full_pools_map); - - len += snprintf(buf + len, buf_len - len, "\n### POOLS ###\n"); - for (i = 0; i < IWM_MACS_OUT_GROUPS; i++) { - len += snprintf(buf + len, buf_len - len, - "pools entry #%d\n", i); - len += snprintf(buf + len, buf_len - len, - "\tid: %d\n", - credit->pools[i].id); - len += snprintf(buf + len, buf_len - len, - "\tsid: %d\n", - credit->pools[i].sid); - len += snprintf(buf + len, buf_len - len, - "\tmin_pages: %d\n", - credit->pools[i].min_pages); - len += snprintf(buf + len, buf_len - len, - "\tmax_pages: %d\n", - credit->pools[i].max_pages); - len += snprintf(buf + len, buf_len - len, - "\talloc_pages: %d\n", - credit->pools[i].alloc_pages); - len += snprintf(buf + len, buf_len - len, - "\tfreed_pages: %d\n", - credit->pools[i].total_freed_pages); - } - - len += snprintf(buf + len, buf_len - len, "\n### SPOOLS ###\n"); - for (i = 0; i < IWM_MACS_OUT_SGROUPS; i++) { - len += snprintf(buf + len, buf_len - len, - "spools entry #%d\n", i); - len += snprintf(buf + len, buf_len - len, - "\tid: %d\n", - credit->spools[i].id); - len += snprintf(buf + len, buf_len - len, - "\tmax_pages: %d\n", - credit->spools[i].max_pages); - len += snprintf(buf + len, buf_len - len, - "\talloc_pages: %d\n", - credit->spools[i].alloc_pages); - - } - - ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); - kfree(buf); - - return ret; -} - -static ssize_t iwm_debugfs_rx_ticket_read(struct file *filp, - char __user *buffer, - size_t count, loff_t *ppos) -{ - struct iwm_priv *iwm = filp->private_data; - struct iwm_rx_ticket_node *ticket; - char *buf; - int buf_len = 4096, i; - size_t len = 0; - ssize_t ret; - - if (*ppos != 0) - return 0; - if (count < sizeof(buf)) - return -ENOSPC; - - buf = kzalloc(buf_len, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - spin_lock(&iwm->ticket_lock); - list_for_each_entry(ticket, &iwm->rx_tickets, node) { - len += snprintf(buf + len, buf_len - len, "Ticket #%d\n", - ticket->ticket->id); - len += snprintf(buf + len, buf_len - len, "\taction: 0x%x\n", - ticket->ticket->action); - len += snprintf(buf + len, buf_len - len, "\tflags: 0x%x\n", - ticket->ticket->flags); - } - spin_unlock(&iwm->ticket_lock); - - for (i = 0; i < IWM_RX_ID_HASH; i++) { - struct iwm_rx_packet *packet; - struct list_head *pkt_list = &iwm->rx_packets[i]; - - if (!list_empty(pkt_list)) { - len += snprintf(buf + len, buf_len - len, - "Packet hash #%d\n", i); - spin_lock(&iwm->packet_lock[i]); - list_for_each_entry(packet, pkt_list, node) { - len += snprintf(buf + len, buf_len - len, - "\tPacket id: %d\n", - packet->id); - len += snprintf(buf + len, buf_len - len, - "\tPacket length: %lu\n", - packet->pkt_size); - } - spin_unlock(&iwm->packet_lock[i]); - } - } - - ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len); - kfree(buf); - - return ret; -} - -static ssize_t iwm_debugfs_fw_err_read(struct file *filp, - char __user *buffer, - size_t count, loff_t *ppos) -{ - - struct iwm_priv *iwm = filp->private_data; - char buf[512]; - int buf_len = 512; - size_t len = 0; - - if (*ppos != 0) - return 0; - if (count < sizeof(buf)) - return -ENOSPC; - - if (!iwm->last_fw_err) - return -ENOMEM; - - if (iwm->last_fw_err->line_num == 0) - goto out; - - len += snprintf(buf + len, buf_len - len, "%cMAC FW ERROR:\n", - (le32_to_cpu(iwm->last_fw_err->category) == UMAC_SYS_ERR_CAT_LMAC) - ? 'L' : 'U'); - len += snprintf(buf + len, buf_len - len, - "\tCategory: %d\n", - le32_to_cpu(iwm->last_fw_err->category)); - - len += snprintf(buf + len, buf_len - len, - "\tStatus: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->status)); - - len += snprintf(buf + len, buf_len - len, - "\tPC: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->pc)); - - len += snprintf(buf + len, buf_len - len, - "\tblink1: %d\n", - le32_to_cpu(iwm->last_fw_err->blink1)); - - len += snprintf(buf + len, buf_len - len, - "\tblink2: %d\n", - le32_to_cpu(iwm->last_fw_err->blink2)); - - len += snprintf(buf + len, buf_len - len, - "\tilink1: %d\n", - le32_to_cpu(iwm->last_fw_err->ilink1)); - - len += snprintf(buf + len, buf_len - len, - "\tilink2: %d\n", - le32_to_cpu(iwm->last_fw_err->ilink2)); - - len += snprintf(buf + len, buf_len - len, - "\tData1: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->data1)); - - len += snprintf(buf + len, buf_len - len, - "\tData2: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->data2)); - - len += snprintf(buf + len, buf_len - len, - "\tLine number: %d\n", - le32_to_cpu(iwm->last_fw_err->line_num)); - - len += snprintf(buf + len, buf_len - len, - "\tUMAC status: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->umac_status)); - - len += snprintf(buf + len, buf_len - len, - "\tLMAC status: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->lmac_status)); - - len += snprintf(buf + len, buf_len - len, - "\tSDIO status: 0x%x\n", - le32_to_cpu(iwm->last_fw_err->sdio_status)); - -out: - - return simple_read_from_buffer(buffer, len, ppos, buf, buf_len); -} - -static const struct file_operations iwm_debugfs_txq_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = iwm_debugfs_txq_read, - .llseek = default_llseek, -}; - -static const struct file_operations iwm_debugfs_tx_credit_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = iwm_debugfs_tx_credit_read, - .llseek = default_llseek, -}; - -static const struct file_operations iwm_debugfs_rx_ticket_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = iwm_debugfs_rx_ticket_read, - .llseek = default_llseek, -}; - -static const struct file_operations iwm_debugfs_fw_err_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = iwm_debugfs_fw_err_read, - .llseek = default_llseek, -}; - -void iwm_debugfs_init(struct iwm_priv *iwm) -{ - int i; - - iwm->dbg.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); - iwm->dbg.devdir = debugfs_create_dir(wiphy_name(iwm_to_wiphy(iwm)), - iwm->dbg.rootdir); - iwm->dbg.dbgdir = debugfs_create_dir("debug", iwm->dbg.devdir); - iwm->dbg.rxdir = debugfs_create_dir("rx", iwm->dbg.devdir); - iwm->dbg.txdir = debugfs_create_dir("tx", iwm->dbg.devdir); - iwm->dbg.busdir = debugfs_create_dir("bus", iwm->dbg.devdir); - if (iwm->bus_ops->debugfs_init) - iwm->bus_ops->debugfs_init(iwm, iwm->dbg.busdir); - - iwm->dbg.dbg_level = IWM_DL_NONE; - iwm->dbg.dbg_level_dentry = - debugfs_create_file("level", 0200, iwm->dbg.dbgdir, iwm, - &fops_iwm_dbg_level); - - iwm->dbg.dbg_modules = IWM_DM_DEFAULT; - iwm->dbg.dbg_modules_dentry = - debugfs_create_file("modules", 0200, iwm->dbg.dbgdir, iwm, - &fops_iwm_dbg_modules); - - for (i = 0; i < __IWM_DM_NR; i++) - add_dbg_module(iwm->dbg, iwm_debug_module[i].name, - iwm_debug_module[i].id, IWM_DL_DEFAULT); - - iwm->dbg.txq_dentry = debugfs_create_file("queues", 0200, - iwm->dbg.txdir, iwm, - &iwm_debugfs_txq_fops); - iwm->dbg.tx_credit_dentry = debugfs_create_file("credits", 0200, - iwm->dbg.txdir, iwm, - &iwm_debugfs_tx_credit_fops); - iwm->dbg.rx_ticket_dentry = debugfs_create_file("tickets", 0200, - iwm->dbg.rxdir, iwm, - &iwm_debugfs_rx_ticket_fops); - iwm->dbg.fw_err_dentry = debugfs_create_file("last_fw_err", 0200, - iwm->dbg.dbgdir, iwm, - &iwm_debugfs_fw_err_fops); -} - -void iwm_debugfs_exit(struct iwm_priv *iwm) -{ - int i; - - for (i = 0; i < __IWM_DM_NR; i++) - debugfs_remove(iwm->dbg.dbg_module_dentries[i]); - - debugfs_remove(iwm->dbg.dbg_modules_dentry); - debugfs_remove(iwm->dbg.dbg_level_dentry); - debugfs_remove(iwm->dbg.txq_dentry); - debugfs_remove(iwm->dbg.tx_credit_dentry); - debugfs_remove(iwm->dbg.rx_ticket_dentry); - debugfs_remove(iwm->dbg.fw_err_dentry); - if (iwm->bus_ops->debugfs_exit) - iwm->bus_ops->debugfs_exit(iwm); - - debugfs_remove(iwm->dbg.busdir); - debugfs_remove(iwm->dbg.dbgdir); - debugfs_remove(iwm->dbg.txdir); - debugfs_remove(iwm->dbg.rxdir); - debugfs_remove(iwm->dbg.devdir); - debugfs_remove(iwm->dbg.rootdir); -} |
