diff options
Diffstat (limited to 'drivers/staging/ft1000/ft1000-usb/ft1000_debug.c')
| -rw-r--r-- | drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 439 |
1 files changed, 223 insertions, 216 deletions
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c b/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c index 3251d2e073b5..68a55ce69200 100644 --- a/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c +++ b/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c @@ -1,29 +1,31 @@ -//--------------------------------------------------------------------------- -// FT1000 driver for Flarion Flash OFDM NIC Device -// -// Copyright (C) 2006 Flarion Technologies, All rights reserved. -// -// This program is free software; you can redistribute it and/or modify it -// under the terms of the GNU General Public License as published by the Free -// Software Foundation; either version 2 of the License, or (at your option) any -// later version. 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., 59 Temple Place - -// Suite 330, Boston, MA 02111-1307, USA. -//--------------------------------------------------------------------------- -// -// File: ft1000_chdev.c -// -// Description: Custom character device dispatch routines. -// -// History: -// 8/29/02 Whc Ported to Linux. -// 6/05/06 Whc Porting to Linux 2.6.9 -// -//--------------------------------------------------------------------------- +/* +*--------------------------------------------------------------------------- +* FT1000 driver for Flarion Flash OFDM NIC Device +* +* Copyright (C) 2006 Flarion Technologies, All rights reserved. +* +* This program is free software; you can redistribute it and/or modify it +* under the terms of the GNU General Public License as published by the Free +* Software Foundation; either version 2 of the License, or (at your option) any +* later version. 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., 59 Temple Place - +* Suite 330, Boston, MA 02111-1307, USA. +*--------------------------------------------------------------------------- +* +* File: ft1000_chdev.c +* +* Description: Custom character device dispatch routines. +* +* History: +* 8/29/02 Whc Ported to Linux. +* 6/05/06 Whc Porting to Linux 2.6.9 +* +*--------------------------------------------------------------------------- +*/ #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -38,25 +40,24 @@ static int ft1000_flarion_cnt = 0; -static int ft1000_open (struct inode *inode, struct file *file); +static int ft1000_open(struct inode *inode, struct file *file); static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait); static long ft1000_ioctl(struct file *file, unsigned int command, unsigned long argument); -static int ft1000_release (struct inode *inode, struct file *file); +static int ft1000_release(struct inode *inode, struct file *file); -// List to free receive command buffer pool +/* List to free receive command buffer pool */ struct list_head freercvpool; -// lock to arbitrate free buffer list for receive command data +/* lock to arbitrate free buffer list for receive command data */ spinlock_t free_buff_lock; int numofmsgbuf = 0; -// -// Table of entry-point routines for char device -// -static const struct file_operations ft1000fops = -{ +/* +* Table of entry-point routines for char device +*/ +static const struct file_operations ft1000fops = { .unlocked_ioctl = ft1000_ioctl, .poll = ft1000_poll_dev, .open = ft1000_open, @@ -64,34 +65,35 @@ static const struct file_operations ft1000fops = .llseek = no_llseek, }; -//--------------------------------------------------------------------------- -// Function: ft1000_get_buffer -// -// Parameters: -// -// Returns: -// -// Description: -// -// Notes: -// -//--------------------------------------------------------------------------- +/* +--------------------------------------------------------------------------- +* Function: ft1000_get_buffer +* +* Parameters: +* +* Returns: +* +* Description: +* +* Notes: +* +*--------------------------------------------------------------------------- +*/ struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist) { unsigned long flags; struct dpram_blk *ptr; spin_lock_irqsave(&free_buff_lock, flags); - // Check if buffer is available - if ( list_empty(bufflist) ) { + /* Check if buffer is available */ + if (list_empty(bufflist)) { DEBUG("ft1000_get_buffer: No more buffer - %d\n", numofmsgbuf); ptr = NULL; - } - else { + } else { numofmsgbuf--; ptr = list_entry(bufflist->next, struct dpram_blk, list); list_del(&ptr->list); - //DEBUG("ft1000_get_buffer: number of free msg buffers = %d\n", numofmsgbuf); + /* DEBUG("ft1000_get_buffer: number of free msg buffers = %d\n", numofmsgbuf); */ } spin_unlock_irqrestore(&free_buff_lock, flags); @@ -101,42 +103,46 @@ struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist) -//--------------------------------------------------------------------------- -// Function: ft1000_free_buffer -// -// Parameters: -// -// Returns: -// -// Description: -// -// Notes: -// -//--------------------------------------------------------------------------- +/* +*--------------------------------------------------------------------------- +* Function: ft1000_free_buffer +* +* Parameters: +* +* Returns: +* +* Description: +* +* Notes: +* +*--------------------------------------------------------------------------- +*/ void ft1000_free_buffer(struct dpram_blk *pdpram_blk, struct list_head *plist) { unsigned long flags; spin_lock_irqsave(&free_buff_lock, flags); - // Put memory back to list + /* Put memory back to list */ list_add_tail(&pdpram_blk->list, plist); numofmsgbuf++; - //DEBUG("ft1000_free_buffer: number of free msg buffers = %d\n", numofmsgbuf); + /*DEBUG("ft1000_free_buffer: number of free msg buffers = %d\n", numofmsgbuf); */ spin_unlock_irqrestore(&free_buff_lock, flags); } -//--------------------------------------------------------------------------- -// Function: ft1000_CreateDevice -// -// Parameters: dev - pointer to adapter object -// -// Returns: 0 if successful -// -// Description: Creates a private char device. -// -// Notes: Only called by init_module(). -// -//--------------------------------------------------------------------------- +/* +*--------------------------------------------------------------------------- +* Function: ft1000_CreateDevice +* +* Parameters: dev - pointer to adapter object +* +* Returns: 0 if successful +* +* Description: Creates a private char device. +* +* Notes: Only called by init_module(). +* +*--------------------------------------------------------------------------- +*/ int ft1000_create_dev(struct ft1000_usb *dev) { int result; @@ -144,20 +150,19 @@ int ft1000_create_dev(struct ft1000_usb *dev) struct dentry *dir, *file; struct ft1000_debug_dirs *tmp; - // make a new device name + /* make a new device name */ sprintf(dev->DeviceName, "%s%d", "FT1000_", dev->CardNumber); DEBUG("%s: number of instance = %d\n", __func__, ft1000_flarion_cnt); DEBUG("DeviceCreated = %x\n", dev->DeviceCreated); - if (dev->DeviceCreated) - { + if (dev->DeviceCreated) { DEBUG("%s: \"%s\" already registered\n", __func__, dev->DeviceName); return -EIO; } - // register the device + /* register the device */ DEBUG("%s: \"%s\" debugfs device registration\n", __func__, dev->DeviceName); tmp = kmalloc(sizeof(struct ft1000_debug_dirs), GFP_KERNEL); @@ -186,7 +191,7 @@ int ft1000_create_dev(struct ft1000_usb *dev) DEBUG("%s: registered debugfs directory \"%s\"\n", __func__, dev->DeviceName); - // initialize application information + /* initialize application information */ dev->appcnt = 0; for (i=0; i<MAX_NUM_APP; i++) { dev->app_info[i].nTxMsg = 0; @@ -198,7 +203,7 @@ int ft1000_create_dev(struct ft1000_usb *dev) dev->app_info[i].DspBCMsgFlag = 0; dev->app_info[i].NumOfMsg = 0; init_waitqueue_head(&dev->app_info[i].wait_dpram_msg); - INIT_LIST_HEAD (&dev->app_info[i].app_sqlist); + INIT_LIST_HEAD(&dev->app_info[i].app_sqlist); } dev->DeviceCreated = TRUE; @@ -214,16 +219,18 @@ fail: return result; } -//--------------------------------------------------------------------------- -// Function: ft1000_DestroyDeviceDEBUG -// -// Parameters: dev - pointer to adapter object -// -// Description: Destroys a private char device. -// -// Notes: Only called by cleanup_module(). -// -//--------------------------------------------------------------------------- +/* +*--------------------------------------------------------------------------- +* Function: ft1000_DestroyDeviceDEBUG +* +* Parameters: dev - pointer to adapter object +* +* Description: Destroys a private char device. +* +* Notes: Only called by cleanup_module(). +* +*--------------------------------------------------------------------------- +*/ void ft1000_destroy_dev(struct net_device *netdev) { struct ft1000_info *info = netdev_priv(netdev); @@ -238,8 +245,7 @@ void ft1000_destroy_dev(struct net_device *netdev) - if (dev->DeviceCreated) - { + if (dev->DeviceCreated) { ft1000_flarion_cnt--; list_for_each_safe(pos, q, &dev->nodes.list) { dir = list_entry(pos, struct ft1000_debug_dirs, list); @@ -253,7 +259,7 @@ void ft1000_destroy_dev(struct net_device *netdev) DEBUG("%s: unregistered device \"%s\"\n", __func__, dev->DeviceName); - // Make sure we free any memory reserve for slow Queue + /* Make sure we free any memory reserve for slow Queue */ for (i=0; i<MAX_NUM_APP; i++) { while (list_empty(&dev->app_info[i].app_sqlist) == 0) { pdpram_blk = list_entry(dev->app_info[i].app_sqlist.next, struct dpram_blk, list); @@ -264,7 +270,7 @@ void ft1000_destroy_dev(struct net_device *netdev) wake_up_interruptible(&dev->app_info[i].wait_dpram_msg); } - // Remove buffer allocated for receive command data + /* Remove buffer allocated for receive command data */ if (ft1000_flarion_cnt == 0) { while (list_empty(&freercvpool) == 0) { ptr = list_entry(freercvpool.next, struct dpram_blk, list); @@ -279,17 +285,19 @@ void ft1000_destroy_dev(struct net_device *netdev) } -//--------------------------------------------------------------------------- -// Function: ft1000_open -// -// Parameters: -// -// Description: -// -// Notes: -// -//--------------------------------------------------------------------------- -static int ft1000_open (struct inode *inode, struct file *file) +/* +*--------------------------------------------------------------------------- +* Function: ft1000_open +* +* Parameters: +* +* Description: +* +* Notes: +* +*--------------------------------------------------------------------------- +*/ +static int ft1000_open(struct inode *inode, struct file *file) { struct ft1000_info *info; struct ft1000_usb *dev = (struct ft1000_usb *)inode->i_private; @@ -301,22 +309,22 @@ static int ft1000_open (struct inode *inode, struct file *file) info = file->private_data = netdev_priv(dev->net); - DEBUG("f_owner = %p number of application = %d\n", (&file->f_owner), dev->appcnt ); + DEBUG("f_owner = %p number of application = %d\n", (&file->f_owner), dev->appcnt); - // Check if maximum number of application exceeded + /* Check if maximum number of application exceeded */ if (dev->appcnt > MAX_NUM_APP) { DEBUG("Maximum number of application exceeded\n"); return -EACCES; } - // Search for available application info block + /* Search for available application info block */ for (i=0; i<MAX_NUM_APP; i++) { - if ( (dev->app_info[i].fileobject == NULL) ) { + if ((dev->app_info[i].fileobject == NULL)) { break; } } - // Fail due to lack of application info block + /* Fail due to lack of application info block */ if (i == MAX_NUM_APP) { DEBUG("Could not find an application info block\n"); return -EACCES; @@ -334,16 +342,18 @@ static int ft1000_open (struct inode *inode, struct file *file) } -//--------------------------------------------------------------------------- -// Function: ft1000_poll_dev -// -// Parameters: -// -// Description: -// -// Notes: -// -//--------------------------------------------------------------------------- +/* +*--------------------------------------------------------------------------- +* Function: ft1000_poll_dev +* +* Parameters: +* +* Description: +* +* Notes: +* +*--------------------------------------------------------------------------- +*/ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait) { @@ -352,24 +362,24 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait) struct ft1000_usb *dev = info->priv; int i; - //DEBUG("ft1000_poll_dev called\n"); + /* DEBUG("ft1000_poll_dev called\n"); */ if (ft1000_flarion_cnt == 0) { DEBUG("FT1000:ft1000_poll_dev called when ft1000_flarion_cnt is zero\n"); return (-EBADF); } - // Search for matching file object + /* Search for matching file object */ for (i=0; i<MAX_NUM_APP; i++) { - if ( dev->app_info[i].fileobject == &file->f_owner) { - //DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", dev->app_info[i].app_id); + if (dev->app_info[i].fileobject == &file->f_owner) { + /* DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", dev->app_info[i].app_id); */ break; } } - // Could not find application info block + /* Could not find application info block */ if (i == MAX_NUM_APP) { DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n"); - return ( -EACCES ); + return (-EACCES); } if (list_empty(&dev->app_info[i].app_sqlist) == 0) { @@ -377,23 +387,25 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait) return(POLLIN | POLLRDNORM | POLLPRI); } - poll_wait (file, &dev->app_info[i].wait_dpram_msg, wait); - //DEBUG("FT1000:ft1000_poll_dev:Polling for data from DSP\n"); + poll_wait(file, &dev->app_info[i].wait_dpram_msg, wait); + /* DEBUG("FT1000:ft1000_poll_dev:Polling for data from DSP\n"); */ return (0); } -//--------------------------------------------------------------------------- -// Function: ft1000_ioctl -// -// Parameters: -// -// Description: -// -// Notes: -// -//--------------------------------------------------------------------------- -static long ft1000_ioctl (struct file *file, unsigned int command, +/* +*--------------------------------------------------------------------------- +* Function: ft1000_ioctl +* +* Parameters: +* +* Description: +* +* Notes: +* +*--------------------------------------------------------------------------- +*/ +static long ft1000_ioctl(struct file *file, unsigned int command, unsigned long argument) { void __user *argp = (void __user *)argument; @@ -417,21 +429,21 @@ static long ft1000_ioctl (struct file *file, unsigned int command, unsigned short ledStat=0; unsigned short conStat=0; - //DEBUG("ft1000_ioctl called\n"); + /* DEBUG("ft1000_ioctl called\n"); */ if (ft1000_flarion_cnt == 0) { DEBUG("FT1000:ft1000_ioctl called when ft1000_flarion_cnt is zero\n"); return (-EBADF); } - //DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument); + /* DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument); */ info = file->private_data; ft1000dev = info->priv; cmd = _IOC_NR(command); - //DEBUG("FT1000:ft1000_ioctl:cmd = 0x%x\n", cmd); + /* DEBUG("FT1000:ft1000_ioctl:cmd = 0x%x\n", cmd); */ - // process the command + /* process the command */ switch (cmd) { case IOCTL_REGISTER_CMD: DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_REGISTER called\n"); @@ -441,7 +453,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command, break; } if (tempword == DSPBCMSGID) { - // Search for matching file object + /* Search for matching file object */ for (i=0; i<MAX_NUM_APP; i++) { if (ft1000dev->app_info[i].fileobject == &file->f_owner) { ft1000dev->app_info[i].DspBCMsgFlag = 1; @@ -457,7 +469,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command, get_ver_data.drv_ver = FT1000_DRV_VER; - if (copy_to_user(argp, &get_ver_data, sizeof(get_ver_data)) ) { + if (copy_to_user(argp, &get_ver_data, sizeof(get_ver_data))) { DEBUG("FT1000:ft1000_ioctl: copy fault occurred\n"); result = -EFAULT; break; @@ -467,20 +479,20 @@ static long ft1000_ioctl (struct file *file, unsigned int command, break; case IOCTL_CONNECT: - // Connect Message + /* Connect Message */ DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_CONNECT\n"); ConnectionMsg[79] = 0xfc; card_send_command(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c); break; case IOCTL_DISCONNECT: - // Disconnect Message + /* Disconnect Message */ DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_DISCONNECT\n"); ConnectionMsg[79] = 0xfd; card_send_command(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c); break; case IOCTL_GET_DSP_STAT_CMD: - //DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DSP_STAT called\n"); + /* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DSP_STAT called\n"); */ memset(&get_stat_data, 0, sizeof(get_stat_data)); memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ); memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ); @@ -494,8 +506,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command, ft1000_read_dpram16(ft1000dev, FT1000_MAG_DSP_CON_STATE, (u8 *)&conStat, FT1000_MAG_DSP_CON_STATE_INDX); get_stat_data.ConStat = ntohs(conStat); DEBUG("FT1000:ft1000_ioctl: ConStat = 0x%x\n", get_stat_data.ConStat); - } - else { + } else { get_stat_data.ConStat = 0x0f; } @@ -504,10 +515,10 @@ static long ft1000_ioctl (struct file *file, unsigned int command, get_stat_data.nRxPkts = info->stats.rx_packets; get_stat_data.nTxBytes = info->stats.tx_bytes; get_stat_data.nRxBytes = info->stats.rx_bytes; - do_gettimeofday ( &tv ); + do_gettimeofday(&tv); get_stat_data.ConTm = (u32)(tv.tv_sec - info->ConTm); DEBUG("Connection Time = %d\n", (int)get_stat_data.ConTm); - if (copy_to_user(argp, &get_stat_data, sizeof(get_stat_data)) ) { + if (copy_to_user(argp, &get_stat_data, sizeof(get_stat_data))) { DEBUG("FT1000:ft1000_ioctl: copy fault occurred\n"); result = -EFAULT; break; @@ -517,7 +528,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command, case IOCTL_SET_DPRAM_CMD: { IOCTL_DPRAM_BLK *dpram_data = NULL; - //IOCTL_DPRAM_COMMAND dpram_command; + /* IOCTL_DPRAM_COMMAND dpram_command; */ u16 qtype; u16 msgsz; struct pseudo_hdr *ppseudo_hdr; @@ -526,7 +537,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command, u16 app_index; u16 status; - //DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_SET_DPRAM called\n"); + /* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_SET_DPRAM called\n");*/ if (ft1000_flarion_cnt == 0) { @@ -545,12 +556,12 @@ static long ft1000_ioctl (struct file *file, unsigned int command, if (info->CardReady) { - //DEBUG("FT1000:ft1000_ioctl: try to SET_DPRAM \n"); + /* DEBUG("FT1000:ft1000_ioctl: try to SET_DPRAM \n"); */ - // Get the length field to see how many bytes to copy + /* Get the length field to see how many bytes to copy */ result = get_user(msgsz, (__u16 __user *)argp); - msgsz = ntohs (msgsz); - //DEBUG("FT1000:ft1000_ioctl: length of message = %d\n", msgsz); + msgsz = ntohs(msgsz); + /* DEBUG("FT1000:ft1000_ioctl: length of message = %d\n", msgsz); */ if (msgsz > MAX_CMD_SQSIZE) { DEBUG("FT1000:ft1000_ioctl: bad message length = %d\n", msgsz); @@ -563,12 +574,11 @@ static long ft1000_ioctl (struct file *file, unsigned int command, if (!dpram_data) break; - if ( copy_from_user(dpram_data, argp, msgsz+2) ) { + if (copy_from_user(dpram_data, argp, msgsz+2)) { DEBUG("FT1000:ft1000_ChIoctl: copy fault occurred\n"); result = -EFAULT; - } - else { - // Check if this message came from a registered application + } else { + /* Check if this message came from a registered application */ for (i=0; i<MAX_NUM_APP; i++) { if (ft1000dev->app_info[i].fileobject == &file->f_owner) { break; @@ -582,28 +592,27 @@ static long ft1000_ioctl (struct file *file, unsigned int command, } app_index = i; - // Check message qtype type which is the lower byte within qos_class + /* Check message qtype type which is the lower byte within qos_class */ qtype = ntohs(dpram_data->pseudohdr.qos_class) & 0xff; - //DEBUG("FT1000_ft1000_ioctl: qtype = %d\n", qtype); + /* DEBUG("FT1000_ft1000_ioctl: qtype = %d\n", qtype); */ if (qtype) { - } - else { - // Put message into Slow Queue - // Only put a message into the DPRAM if msg doorbell is available + } else { + /* Put message into Slow Queue */ + /* Only put a message into the DPRAM if msg doorbell is available */ status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); - //DEBUG("FT1000_ft1000_ioctl: READ REGISTER tempword=%x\n", tempword); + /* DEBUG("FT1000_ft1000_ioctl: READ REGISTER tempword=%x\n", tempword); */ if (tempword & FT1000_DB_DPRAM_TX) { - // Suspend for 2ms and try again due to DSP doorbell busy + /* Suspend for 2ms and try again due to DSP doorbell busy */ mdelay(2); status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); if (tempword & FT1000_DB_DPRAM_TX) { - // Suspend for 1ms and try again due to DSP doorbell busy + /* Suspend for 1ms and try again due to DSP doorbell busy */ mdelay(1); status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); if (tempword & FT1000_DB_DPRAM_TX) { status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); if (tempword & FT1000_DB_DPRAM_TX) { - // Suspend for 3ms and try again due to DSP doorbell busy + /* Suspend for 3ms and try again due to DSP doorbell busy */ mdelay(3); status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); if (tempword & FT1000_DB_DPRAM_TX) { @@ -617,11 +626,11 @@ static long ft1000_ioctl (struct file *file, unsigned int command, } } - //DEBUG("FT1000_ft1000_ioctl: finished reading register\n"); + /*DEBUG("FT1000_ft1000_ioctl: finished reading register\n"); */ - // Make sure we are within the limits of the slow queue memory limitation - if ( (msgsz < MAX_CMD_SQSIZE) && (msgsz > PSEUDOSZ) ) { - // Need to put sequence number plus new checksum for message + /* Make sure we are within the limits of the slow queue memory limitation */ + if ((msgsz < MAX_CMD_SQSIZE) && (msgsz > PSEUDOSZ)) { + /* Need to put sequence number plus new checksum for message */ pmsg = (u16 *)&dpram_data->pseudohdr; ppseudo_hdr = (struct pseudo_hdr *)pmsg; total_len = msgsz+2; @@ -629,15 +638,15 @@ static long ft1000_ioctl (struct file *file, unsigned int command, total_len++; } - // Insert slow queue sequence number + /* Insert slow queue sequence number */ ppseudo_hdr->seq_num = info->squeseqnum++; ppseudo_hdr->portsrc = ft1000dev->app_info[app_index].app_id; - // Calculate new checksum + /* Calculate new checksum */ ppseudo_hdr->checksum = *pmsg++; - //DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); + /* DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); */ for (i=1; i<7; i++) { ppseudo_hdr->checksum ^= *pmsg++; - //DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); + /* DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); */ } pmsg++; ppseudo_hdr = (struct pseudo_hdr *)pmsg; @@ -645,14 +654,12 @@ static long ft1000_ioctl (struct file *file, unsigned int command, ft1000dev->app_info[app_index].nTxMsg++; - } - else { + } else { result = -EINVAL; } } } - } - else { + } else { DEBUG("FT1000:ft1000_ioctl: Card not ready take messages\n"); result = -EACCES; } @@ -666,21 +673,21 @@ static long ft1000_ioctl (struct file *file, unsigned int command, IOCTL_DPRAM_BLK __user *pioctl_dpram; int msglen; - //DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n"); + /* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n"); */ if (ft1000_flarion_cnt == 0) { return (-EBADF); } - // Search for matching file object + /* Search for matching file object */ for (i=0; i<MAX_NUM_APP; i++) { if (ft1000dev->app_info[i].fileobject == &file->f_owner) { - //DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); + /*DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */ break; } } - // Could not find application info block + /* Could not find application info block */ if (i == MAX_NUM_APP) { DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n"); result = -EBADF; @@ -690,30 +697,29 @@ static long ft1000_ioctl (struct file *file, unsigned int command, result = 0; pioctl_dpram = argp; if (list_empty(&ft1000dev->app_info[i].app_sqlist) == 0) { - //DEBUG("FT1000:ft1000_ioctl:Message detected in slow queue\n"); + /* DEBUG("FT1000:ft1000_ioctl:Message detected in slow queue\n"); */ spin_lock_irqsave(&free_buff_lock, flags); pdpram_blk = list_entry(ft1000dev->app_info[i].app_sqlist.next, struct dpram_blk, list); list_del(&pdpram_blk->list); ft1000dev->app_info[i].NumOfMsg--; - //DEBUG("FT1000:ft1000_ioctl:NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg); + /* DEBUG("FT1000:ft1000_ioctl:NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg); */ spin_unlock_irqrestore(&free_buff_lock, flags); msglen = ntohs(*(u16 *)pdpram_blk->pbuffer) + PSEUDOSZ; result = get_user(msglen, &pioctl_dpram->total_len); if (result) break; msglen = htons(msglen); - //DEBUG("FT1000:ft1000_ioctl:msg length = %x\n", msglen); - if(copy_to_user (&pioctl_dpram->pseudohdr, pdpram_blk->pbuffer, msglen)) - { + /* DEBUG("FT1000:ft1000_ioctl:msg length = %x\n", msglen); */ + if (copy_to_user (&pioctl_dpram->pseudohdr, pdpram_blk->pbuffer, msglen)) { DEBUG("FT1000:ft1000_ioctl: copy fault occurred\n"); - result = -EFAULT; - break; + result = -EFAULT; + break; } ft1000_free_buffer(pdpram_blk, &freercvpool); result = msglen; } - //DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM no message\n"); + /* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM no message\n"); */ } break; @@ -726,17 +732,19 @@ static long ft1000_ioctl (struct file *file, unsigned int command, return result; } -//--------------------------------------------------------------------------- -// Function: ft1000_release -// -// Parameters: -// -// Description: -// -// Notes: -// -//--------------------------------------------------------------------------- -static int ft1000_release (struct inode *inode, struct file *file) +/* +*--------------------------------------------------------------------------- +* Function: ft1000_release +* +* Parameters: +* +* Description: +* +* Notes: +* +*--------------------------------------------------------------------------- +*/ +static int ft1000_release(struct inode *inode, struct file *file) { struct ft1000_info *info; struct net_device *dev; @@ -755,10 +763,10 @@ static int ft1000_release (struct inode *inode, struct file *file) return (-EBADF); } - // Search for matching file object + /* Search for matching file object */ for (i=0; i<MAX_NUM_APP; i++) { - if ( ft1000dev->app_info[i].fileobject == &file->f_owner) { - //DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); + if (ft1000dev->app_info[i].fileobject == &file->f_owner) { + /* DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */ break; } } @@ -773,11 +781,10 @@ static int ft1000_release (struct inode *inode, struct file *file) ft1000_free_buffer(pdpram_blk, &freercvpool); } - // initialize application information + /* initialize application information */ ft1000dev->appcnt--; DEBUG("ft1000_chdev:%s:appcnt = %d\n", __FUNCTION__, ft1000dev->appcnt); ft1000dev->app_info[i].fileobject = NULL; return 0; } - |