diff options
Diffstat (limited to 'package/rt2x00/src/rt2x00debug.c')
-rw-r--r-- | package/rt2x00/src/rt2x00debug.c | 323 |
1 files changed, 165 insertions, 158 deletions
diff --git a/package/rt2x00/src/rt2x00debug.c b/package/rt2x00/src/rt2x00debug.c index e2239fab8d..9275d6f951 100644 --- a/package/rt2x00/src/rt2x00debug.c +++ b/package/rt2x00/src/rt2x00debug.c @@ -21,22 +21,22 @@ /* Module: rt2x00lib Abstract: rt2x00 debugfs specific routines. - Supported chipsets: RT2460, RT2560, RT2570, - rt2561, rt2561s, rt2661, rt2571W & rt2671. */ -#include <linux/debugfs.h> +/* + * Set enviroment defines for rt2x00.h + */ +#define DRV_NAME "rt2x00lib" -#include <asm/uaccess.h> +#include <linux/debugfs.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/uaccess.h> #include "rt2x00.h" -#include "rt2x00debug.h" +#include "rt2x00lib.h" -#define PRINT_REG8_STR ( "0x%.2x\n" ) -#define PRINT_REG16_STR ( "0x%.4x\n" ) -#define PRINT_REG32_STR ( "0x%.8x\n" ) -#define PRINT_REG_LEN_MAX ( 16 ) -#define PRINT_LINE_LEN_MAX ( 32 ) +#define PRINT_LINE_LEN_MAX 32 struct rt2x00debug_intf { /* @@ -57,19 +57,24 @@ struct rt2x00debug_intf { * - driver folder * - driver file * - chipset file + * - device flags file * - register offset/value files * - eeprom offset/value files * - bbp offset/value files + * - rf offset/value files */ struct dentry *driver_folder; struct dentry *driver_entry; struct dentry *chipset_entry; + struct dentry *dev_flags; struct dentry *csr_off_entry; struct dentry *csr_val_entry; struct dentry *eeprom_off_entry; struct dentry *eeprom_val_entry; struct dentry *bbp_off_entry; struct dentry *bbp_val_entry; + struct dentry *rf_off_entry; + struct dentry *rf_val_entry; /* * Driver and chipset files will use a data buffer @@ -85,6 +90,7 @@ struct rt2x00debug_intf { unsigned int offset_csr; unsigned int offset_eeprom; unsigned int offset_bbp; + unsigned int offset_rf; }; static int rt2x00debug_file_open(struct inode *inode, struct file *file) @@ -108,127 +114,120 @@ static int rt2x00debug_file_release(struct inode *inode, struct file *file) return 0; } -static ssize_t rt2x00debug_file_read(void *device, char __user *buf, - loff_t *offset, unsigned int word, const struct rt2x00debug_reg *reg) -{ - unsigned long value; - unsigned int size; - char *line; - - if (*offset) - return 0; - - line = kzalloc(PRINT_REG_LEN_MAX, GFP_KERNEL); - if (!line) - return -ENOMEM; - - reg->read(device, word, &value); - - if (reg->word_size == sizeof(u8)) - size = sprintf(line, PRINT_REG8_STR, (u8)value); - else if (reg->word_size == sizeof(u16)) - size = sprintf(line, PRINT_REG16_STR, (u16)value); - else - size = sprintf(line, PRINT_REG32_STR, (u32)value); - - if (copy_to_user(buf, line, size)) - goto exit; - - kfree(line); - - *offset += size; - return size; - -exit: - kfree(line); +#define RT2X00DEBUGFS_OPS_READ(__name, __format, __type) \ +static ssize_t rt2x00debug_read_##__name(struct file *file, \ + char __user *buf, \ + size_t length, \ + loff_t *offset) \ +{ \ + struct rt2x00debug_intf *intf = file->private_data; \ + const struct rt2x00debug *debug = intf->debug; \ + char line[16]; \ + size_t size; \ + __type value; \ + \ + if (*offset) \ + return 0; \ + \ + if (intf->offset_##__name >= debug->__name.word_count) \ + return -EINVAL; \ + \ + debug->__name.read(intf->rt2x00dev, \ + intf->offset_##__name, &value); \ + \ + size = sprintf(line, __format, value); \ + \ + if (copy_to_user(buf, line, size)) \ + return -EFAULT; \ + \ + *offset += size; \ + return size; \ +} - return -EFAULT; +#define RT2X00DEBUGFS_OPS_WRITE(__name, __type) \ +static ssize_t rt2x00debug_write_##__name(struct file *file, \ + const char __user *buf,\ + size_t length, \ + loff_t *offset) \ +{ \ + struct rt2x00debug_intf *intf = file->private_data; \ + const struct rt2x00debug *debug = intf->debug; \ + char line[16]; \ + size_t size; \ + __type value; \ + \ + if (*offset) \ + return 0; \ + \ + if (!capable(CAP_NET_ADMIN)) \ + return -EPERM; \ + \ + if (intf->offset_##__name >= debug->__name.word_count) \ + return -EINVAL; \ + \ + if (copy_from_user(line, buf, length)) \ + return -EFAULT; \ + \ + size = strlen(line); \ + value = simple_strtoul(line, NULL, 0); \ + \ + debug->__name.write(intf->rt2x00dev, \ + intf->offset_##__name, value); \ + \ + *offset += size; \ + return size; \ } -static ssize_t rt2x00debug_file_write(void *device, const char __user *buf, - loff_t *offset, unsigned int word, unsigned int length, - const struct rt2x00debug_reg *reg) -{ - unsigned long value; - int size; - char *line; +#define RT2X00DEBUGFS_OPS(__name, __format, __type) \ +RT2X00DEBUGFS_OPS_READ(__name, __format, __type); \ +RT2X00DEBUGFS_OPS_WRITE(__name, __type); \ + \ +static const struct file_operations rt2x00debug_fop_##__name = {\ + .owner = THIS_MODULE, \ + .read = rt2x00debug_read_##__name, \ + .write = rt2x00debug_write_##__name, \ + .open = rt2x00debug_file_open, \ + .release = rt2x00debug_file_release, \ +}; - line = kzalloc(length, GFP_KERNEL); - if (!line) - return -ENOMEM; +RT2X00DEBUGFS_OPS(csr, "0x%.8x\n", u32); +RT2X00DEBUGFS_OPS(eeprom, "0x%.4x\n", u16); +RT2X00DEBUGFS_OPS(bbp, "0x%.2x\n", u8); +RT2X00DEBUGFS_OPS(rf, "0x%.8x\n", u32); - if (copy_from_user(line, buf, length)) - goto exit; +static ssize_t rt2x00debug_read_dev_flags(struct file *file, + char __user *buf, + size_t length, + loff_t *offset) +{ + struct rt2x00debug_intf *intf = file->private_data; + char line[16]; + size_t size; - size = strlen(line); - value = simple_strtoul(line, NULL, 0); + if (*offset) + return 0; - reg->write(device, word, &value); + size = sprintf(line, "0x%.8x\n", (unsigned int)intf->rt2x00dev->flags); - kfree(line); + if (copy_to_user(buf, line, size)) + return -EFAULT; *offset += size; return size; - -exit: - kfree(line); - - return -EFAULT; } -#define RT2X00DEBUGFS_OPS_READ(__name) \ - static ssize_t rt2x00debug_read_##__name(struct file *file, \ - char __user *buf, size_t length, loff_t *offset) \ - { \ - struct rt2x00debug_intf *intf = file->private_data; \ - const struct rt2x00debug *debug = intf->debug; \ - const struct rt2x00debug_reg *reg = &debug->reg_##__name;\ - \ - if (intf->offset_##__name > reg->word_count) \ - return -EINVAL; \ - \ - return rt2x00debug_file_read(intf->rt2x00dev, buf, \ - offset, intf->offset_##__name, reg); \ - } - -RT2X00DEBUGFS_OPS_READ(csr); -RT2X00DEBUGFS_OPS_READ(eeprom); -RT2X00DEBUGFS_OPS_READ(bbp); - -#define RT2X00DEBUGFS_OPS_WRITE(__name) \ - static ssize_t rt2x00debug_write_##__name(struct file *file, \ - const char __user *buf, size_t length, loff_t *offset) \ - { \ - struct rt2x00debug_intf *intf = file->private_data; \ - const struct rt2x00debug *debug = intf->debug; \ - const struct rt2x00debug_reg *reg = &debug->reg_##__name;\ - \ - if (intf->offset_##__name > reg->word_count) \ - return -EINVAL; \ - \ - return rt2x00debug_file_write(intf->rt2x00dev, buf, \ - offset, intf->offset_##__name, length, reg); \ - } - -RT2X00DEBUGFS_OPS_WRITE(csr); -RT2X00DEBUGFS_OPS_WRITE(eeprom); -RT2X00DEBUGFS_OPS_WRITE(bbp); - -#define RT2X00DEBUGFS_OPS(__name) \ - static const struct file_operations rt2x00debug_fop_##__name = {\ - .owner = THIS_MODULE, \ - .read = rt2x00debug_read_##__name, \ - .write = rt2x00debug_write_##__name, \ - .open = rt2x00debug_file_open, \ - .release = rt2x00debug_file_release, \ - }; - -RT2X00DEBUGFS_OPS(csr); -RT2X00DEBUGFS_OPS(eeprom); -RT2X00DEBUGFS_OPS(bbp); +static const struct file_operations rt2x00debug_fop_dev_flags = { + .owner = THIS_MODULE, + .read = rt2x00debug_read_dev_flags, + .open = rt2x00debug_file_open, + .release = rt2x00debug_file_release, +}; static struct dentry *rt2x00debug_create_file_driver(const char *name, - struct rt2x00debug_intf *intf, struct debugfs_blob_wrapper *blob) + struct rt2x00debug_intf + *intf, + struct debugfs_blob_wrapper + *blob) { char *data; @@ -246,20 +245,24 @@ static struct dentry *rt2x00debug_create_file_driver(const char *name, } static struct dentry *rt2x00debug_create_file_chipset(const char *name, - struct rt2x00debug_intf *intf, struct debugfs_blob_wrapper *blob) + struct rt2x00debug_intf + *intf, + struct + debugfs_blob_wrapper + *blob) { const struct rt2x00debug *debug = intf->debug; char *data; - data = kzalloc(3 * PRINT_LINE_LEN_MAX, GFP_KERNEL); + data = kzalloc(4 * PRINT_LINE_LEN_MAX, GFP_KERNEL); if (!data) return NULL; blob->data = data; - data += sprintf(data, "csr length: %d\n", debug->reg_csr.word_count); - data += sprintf(data, "eeprom length: %d\n", - debug->reg_eeprom.word_count); - data += sprintf(data, "bbp length: %d\n", debug->reg_bbp.word_count); + data += sprintf(data, "csr length: %d\n", debug->csr.word_count); + data += sprintf(data, "eeprom length: %d\n", debug->eeprom.word_count); + data += sprintf(data, "bbp length: %d\n", debug->bbp.word_count); + data += sprintf(data, "rf length: %d\n", debug->rf.word_count); blob->size = strlen(blob->data); return debugfs_create_blob(name, S_IRUGO, intf->driver_folder, blob); @@ -280,53 +283,54 @@ void rt2x00debug_register(struct rt2x00_dev *rt2x00dev) intf->rt2x00dev = rt2x00dev; rt2x00dev->debugfs_intf = intf; - intf->driver_folder = debugfs_create_dir(intf->rt2x00dev->ops->name, - rt2x00dev->hw->wiphy->debugfsdir); + intf->driver_folder = + debugfs_create_dir(intf->rt2x00dev->ops->name, + rt2x00dev->hw->wiphy->debugfsdir); if (IS_ERR(intf->driver_folder)) goto exit; - intf->driver_entry = rt2x00debug_create_file_driver("driver", - intf, &intf->driver_blob); + intf->driver_entry = + rt2x00debug_create_file_driver("driver", intf, &intf->driver_blob); if (IS_ERR(intf->driver_entry)) goto exit; - intf->chipset_entry = rt2x00debug_create_file_chipset("chipset", - intf, &intf->chipset_blob); + intf->chipset_entry = + rt2x00debug_create_file_chipset("chipset", + intf, &intf->chipset_blob); if (IS_ERR(intf->chipset_entry)) goto exit; - intf->csr_off_entry = debugfs_create_u32("csr_offset", - S_IRUGO | S_IWUSR, intf->driver_folder, &intf->offset_csr); - if (IS_ERR(intf->csr_off_entry)) - goto exit; - - intf->csr_val_entry = debugfs_create_file("csr_value", - S_IRUGO | S_IWUSR, intf->driver_folder, intf, - &rt2x00debug_fop_csr); - if (IS_ERR(intf->csr_val_entry)) - goto exit; - - intf->eeprom_off_entry = debugfs_create_u32("eeprom_offset", - S_IRUGO | S_IWUSR, intf->driver_folder, &intf->offset_eeprom); - if (IS_ERR(intf->eeprom_off_entry)) - goto exit; - - intf->eeprom_val_entry = debugfs_create_file("eeprom_value", - S_IRUGO | S_IWUSR, intf->driver_folder, intf, - &rt2x00debug_fop_eeprom); - if (IS_ERR(intf->eeprom_val_entry)) + intf->dev_flags = debugfs_create_file("dev_flags", S_IRUGO, + intf->driver_folder, intf, + &rt2x00debug_fop_dev_flags); + if (IS_ERR(intf->dev_flags)) goto exit; - intf->bbp_off_entry = debugfs_create_u32("bbp_offset", - S_IRUGO | S_IWUSR, intf->driver_folder, &intf->offset_bbp); - if (IS_ERR(intf->bbp_off_entry)) - goto exit; - - intf->bbp_val_entry = debugfs_create_file("bbp_value", - S_IRUGO | S_IWUSR, intf->driver_folder, intf, - &rt2x00debug_fop_bbp); - if (IS_ERR(intf->bbp_val_entry)) - goto exit; +#define RT2X00DEBUGFS_CREATE_ENTRY(__intf, __name) \ +({ \ + (__intf)->__name##_off_entry = \ + debugfs_create_u32(__stringify(__name) "_offset", \ + S_IRUGO | S_IWUSR, \ + (__intf)->driver_folder, \ + &(__intf)->offset_##__name); \ + if (IS_ERR((__intf)->__name##_off_entry)) \ + goto exit; \ + \ + (__intf)->__name##_val_entry = \ + debugfs_create_file(__stringify(__name) "_value", \ + S_IRUGO | S_IWUSR, \ + (__intf)->driver_folder, \ + (__intf), &rt2x00debug_fop_##__name);\ + if (IS_ERR((__intf)->__name##_val_entry)) \ + goto exit; \ +}) + + RT2X00DEBUGFS_CREATE_ENTRY(intf, csr); + RT2X00DEBUGFS_CREATE_ENTRY(intf, eeprom); + RT2X00DEBUGFS_CREATE_ENTRY(intf, bbp); + RT2X00DEBUGFS_CREATE_ENTRY(intf, rf); + +#undef RT2X00DEBUGFS_CREATE_ENTRY return; @@ -344,12 +348,15 @@ void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev) if (unlikely(!intf)) return; + debugfs_remove(intf->rf_val_entry); + debugfs_remove(intf->rf_off_entry); debugfs_remove(intf->bbp_val_entry); debugfs_remove(intf->bbp_off_entry); debugfs_remove(intf->eeprom_val_entry); debugfs_remove(intf->eeprom_off_entry); debugfs_remove(intf->csr_val_entry); debugfs_remove(intf->csr_off_entry); + debugfs_remove(intf->dev_flags); debugfs_remove(intf->chipset_entry); debugfs_remove(intf->driver_entry); debugfs_remove(intf->driver_folder); |