| //--------------------------------------------------------------------------- |
| // 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> |
| #include <linux/signal.h> |
| #include <linux/errno.h> |
| #include <linux/poll.h> |
| #include <linux/netdevice.h> |
| #include <linux/delay.h> |
| |
| #include <linux/fs.h> |
| #include <linux/kmod.h> |
| #include <linux/ioctl.h> |
| #include <linux/unistd.h> |
| |
| #include "ft1000_usb.h" |
| //#include "ft1000_ioctl.h" |
| |
| static int ft1000_flarion_cnt = 0; |
| |
| //need to looking usage of ft1000Handle |
| |
| static int ft1000_ChOpen (struct inode *Inode, struct file *File); |
| static unsigned int ft1000_ChPoll(struct file *file, poll_table *wait); |
| static long ft1000_ChIoctl(struct file *File, unsigned int Command, |
| unsigned long Argument); |
| static int ft1000_ChRelease (struct inode *Inode, struct file *File); |
| |
| // Global pointer to device object |
| static struct ft1000_device *pdevobj[MAX_NUM_CARDS + 2]; |
| //static devfs_handle_t ft1000Handle[MAX_NUM_CARDS]; |
| |
| // List to free receive command buffer pool |
| struct list_head freercvpool; |
| |
| // lock to arbitrate free buffer list for receive command data |
| spinlock_t free_buff_lock; |
| |
| int numofmsgbuf = 0; |
| |
| // Global variable to indicate that all provisioning data is sent to DSP |
| //BOOLEAN fProvComplete; |
| |
| // |
| // Table of entry-point routines for char device |
| // |
| static struct file_operations ft1000fops = |
| { |
| .unlocked_ioctl = ft1000_ChIoctl, |
| .poll = ft1000_ChPoll, |
| .open = ft1000_ChOpen, |
| .release = ft1000_ChRelease, |
| .llseek = no_llseek, |
| }; |
| |
| |
| |
| |
| //--------------------------------------------------------------------------- |
| // Function: exec_mknod |
| // |
| // Parameters: |
| // |
| // Returns: |
| // |
| // Description: |
| // |
| // Notes: |
| // |
| //--------------------------------------------------------------------------- |
| static int exec_mknod (void *pdata) |
| { |
| struct ft1000_info *info; |
| char mjnum[4]; |
| char minornum[4]; |
| char temp[32]; |
| int retcode; |
| // int i; //aelias [-] reason : unused variable |
| char *envp[] = { "HOME=/", "PATH=/usr/bin:/bin", NULL }; |
| char *argv[]={"-m 666",temp,"c",mjnum,minornum,NULL}; |
| |
| info = pdata; |
| DEBUG("ft1000_chdev:exec_mknod is called with major number = %d\n", info->DeviceMajor); |
| sprintf(temp, "%s%s", "/dev/", info->DeviceName) ; |
| sprintf(mjnum, "%d", info->DeviceMajor); |
| sprintf(minornum, "%d", info->CardNumber); |
| |
| //char *argv[]={"mknod","-m 666",temp,"c",mjnum,minornum,NULL}; |
| // char *argv[]={"-m 666",temp,"c",mjnum,minornum,NULL}; |
| |
| //for (i=0; i<7;i++) |
| // DEBUG("argv[%d]=%s\n", i, argv[i]); |
| |
| |
| retcode = call_usermodehelper ("/bin/mknod", argv, envp, 1); |
| if (retcode) { |
| DEBUG("ft1000_chdev:exec_mknod failed to make the node: retcode = %d\n", retcode); |
| } |
| |
| |
| |
| return retcode; |
| |
| } |
| |
| //--------------------------------------------------------------------------- |
| // Function: rm_mknod |
| // |
| // Description: This module removes the FT1000 device file |
| // |
| //--------------------------------------------------------------------------- |
| static int rm_mknod (void *pdata) |
| { |
| |
| struct ft1000_info *info; |
| //char *argv[4]={"rm", "-f", "/dev/FT1000", NULL}; |
| int retcode; |
| char temp[32]; |
| char *argv[]={"rm", "-f", temp, NULL}; |
| |
| info = (struct ft1000_info *)pdata; |
| DEBUG("ft1000_chdev:rm_mknod is called for device %s\n", info->DeviceName); |
| sprintf(temp, "%s%s", "/dev/", info->DeviceName) ; |
| |
| // char *argv[]={"rm", "-f", temp, NULL}; |
| |
| retcode = call_usermodehelper ("/bin/rm", argv, NULL, 1); |
| if (retcode) { |
| DEBUG("ft1000_chdev:rm_mknod failed to remove the node: retcode = %d\n", retcode); |
| } |
| else |
| DEBUG("ft1000_chdev:rm_mknod done!\n"); |
| |
| |
| return retcode; |
| |
| } |
| //--------------------------------------------------------------------------- |
| // 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) ) { |
| DEBUG("ft1000_get_buffer: No more buffer - %d\n", numofmsgbuf); |
| ptr = NULL; |
| } |
| 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); |
| } |
| spin_unlock_irqrestore(&free_buff_lock, flags); |
| |
| return ptr; |
| } |
| |
| |
| |
| |
| //--------------------------------------------------------------------------- |
| // 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 |
| list_add_tail(&pdpram_blk->list, plist); |
| 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(). |
| // |
| //--------------------------------------------------------------------------- |
| int ft1000_CreateDevice(struct ft1000_device *dev) |
| { |
| struct ft1000_info *info = netdev_priv(dev->net); |
| int result; |
| int i; |
| pid_t pid; |
| |
| // make a new device name |
| sprintf(info->DeviceName, "%s%d", "FT100", info->CardNumber); |
| |
| // Delete any existing FT1000 node |
| pid = kernel_thread (rm_mknod,(void *)info, 0); |
| msleep(1000); |
| |
| DEBUG("ft1000_CreateDevice: number of instance = %d\n", ft1000_flarion_cnt); |
| DEBUG("DeviceCreated = %x\n", info->DeviceCreated); |
| |
| //save the device info to global array |
| pdevobj[info->CardNumber] = dev; |
| |
| DEBUG("ft1000_CreateDevice: ******SAVED pdevobj[%d]=%p\n", info->CardNumber, pdevobj[info->CardNumber]); //aelias [+] reason:up |
| |
| if (info->DeviceCreated) |
| { |
| DEBUG("ft1000_CreateDevice: \"%s\" already registered\n", info->DeviceName); |
| return -EIO; |
| } |
| |
| |
| // register the device |
| DEBUG("ft1000_CreateDevice: \"%s\" device registration\n", info->DeviceName); |
| info->DeviceMajor = 0; |
| |
| result = register_chrdev(info->DeviceMajor, info->DeviceName, &ft1000fops); |
| if (result < 0) |
| { |
| DEBUG("ft1000_CreateDevice: unable to get major %d\n", info->DeviceMajor); |
| return result; |
| } |
| |
| DEBUG("ft1000_CreateDevice: registered char device \"%s\"\n", info->DeviceName); |
| |
| // save a dynamic device major number |
| if (info->DeviceMajor == 0) |
| { |
| info->DeviceMajor = result; |
| DEBUG("ft1000_PcdCreateDevice: device major = %d\n", info->DeviceMajor); |
| } |
| |
| // Create a thread to call user mode app to mknod |
| pid = kernel_thread (exec_mknod, (void *)info, 0); |
| |
| // initialize application information |
| |
| // if (ft1000_flarion_cnt == 0) { |
| // |
| // DEBUG("Initialize free_buff_lock and freercvpool\n"); |
| // spin_lock_init(&free_buff_lock); |
| // |
| // // initialize a list of buffers to be use for queuing up receive command data |
| // INIT_LIST_HEAD (&freercvpool); |
| // |
| // // create list of free buffers |
| // for (i=0; i<NUM_OF_FREE_BUFFERS; i++) { |
| // // Get memory for DPRAM_DATA link list |
| // pdpram_blk = kmalloc ( sizeof(struct dpram_blk), GFP_KERNEL ); |
| // // Get a block of memory to store command data |
| // pdpram_blk->pbuffer = kmalloc ( MAX_CMD_SQSIZE, GFP_KERNEL ); |
| // // link provisioning data |
| // list_add_tail (&pdpram_blk->list, &freercvpool); |
| // } |
| // numofmsgbuf = NUM_OF_FREE_BUFFERS; |
| // } |
| |
| |
| // initialize application information |
| info->appcnt = 0; |
| for (i=0; i<MAX_NUM_APP; i++) { |
| info->app_info[i].nTxMsg = 0; |
| info->app_info[i].nRxMsg = 0; |
| info->app_info[i].nTxMsgReject = 0; |
| info->app_info[i].nRxMsgMiss = 0; |
| info->app_info[i].fileobject = NULL; |
| info->app_info[i].app_id = i+1; |
| info->app_info[i].DspBCMsgFlag = 0; |
| info->app_info[i].NumOfMsg = 0; |
| init_waitqueue_head(&info->app_info[i].wait_dpram_msg); |
| INIT_LIST_HEAD (&info->app_info[i].app_sqlist); |
| } |
| |
| |
| |
| |
| // ft1000Handle[info->CardNumber] = devfs_register(NULL, info->DeviceName, DEVFS_FL_AUTO_DEVNUM, 0, 0, |
| // S_IFCHR | S_IRUGO | S_IWUGO, &ft1000fops, NULL); |
| |
| |
| info->DeviceCreated = TRUE; |
| ft1000_flarion_cnt++; |
| |
| return result; |
| } |
| |
| //--------------------------------------------------------------------------- |
| // Function: ft1000_DestroyDeviceDEBUG |
| // |
| // Parameters: dev - pointer to adapter object |
| // |
| // Description: Destroys a private char device. |
| // |
| // Notes: Only called by cleanup_module(). |
| // |
| //--------------------------------------------------------------------------- |
| void ft1000_DestroyDevice(struct net_device *dev) |
| { |
| struct ft1000_info *info = netdev_priv(dev); |
| int result = 0; |
| pid_t pid; |
| int i; |
| struct dpram_blk *pdpram_blk; |
| struct dpram_blk *ptr; |
| |
| DEBUG("ft1000_chdev:ft1000_DestroyDevice called\n"); |
| |
| |
| |
| if (info->DeviceCreated) |
| { |
| ft1000_flarion_cnt--; |
| unregister_chrdev(info->DeviceMajor, info->DeviceName); |
| DEBUG("ft1000_DestroyDevice: unregistered device \"%s\", result = %d\n", |
| info->DeviceName, result); |
| |
| pid = kernel_thread (rm_mknod, (void *)info, 0); |
| |
| // Make sure we free any memory reserve for slow Queue |
| for (i=0; i<MAX_NUM_APP; i++) { |
| while (list_empty(&info->app_info[i].app_sqlist) == 0) { |
| pdpram_blk = list_entry(info->app_info[i].app_sqlist.next, struct dpram_blk, list); |
| list_del(&pdpram_blk->list); |
| ft1000_free_buffer(pdpram_blk, &freercvpool); |
| |
| } |
| wake_up_interruptible(&info->app_info[i].wait_dpram_msg); |
| } |
| |
| // 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); |
| list_del(&ptr->list); |
| kfree(ptr->pbuffer); |
| kfree(ptr); |
| } |
| } |
| |
| // devfs_unregister(ft1000Handle[info->CardNumber]); |
| |
| info->DeviceCreated = FALSE; |
| |
| pdevobj[info->CardNumber] = NULL; |
| } |
| |
| |
| } |
| |
| //--------------------------------------------------------------------------- |
| // Function: ft1000_ChOpen |
| // |
| // Parameters: |
| // |
| // Description: |
| // |
| // Notes: |
| // |
| //--------------------------------------------------------------------------- |
| static int ft1000_ChOpen (struct inode *Inode, struct file *File) |
| { |
| struct ft1000_info *info; |
| int i,num; |
| |
| DEBUG("ft1000_ChOpen called\n"); |
| num = (MINOR(Inode->i_rdev) & 0xf); |
| DEBUG("ft1000_ChOpen: minor number=%d\n", num); |
| |
| for (i=0; i<5; i++) |
| DEBUG("pdevobj[%d]=%p\n", i, pdevobj[i]); //aelias [+] reason: down |
| |
| if ( pdevobj[num] != NULL ) |
| //info = (struct ft1000_info *)(pdevobj[num]->net->priv); |
| info = (struct ft1000_info *)netdev_priv(pdevobj[num]->net); |
| else |
| { |
| DEBUG("ft1000_ChOpen: can not find device object %d\n", num); |
| return -1; |
| } |
| |
| DEBUG("f_owner = %p number of application = %d\n", (&File->f_owner), info->appcnt ); |
| |
| // Check if maximum number of application exceeded |
| if (info->appcnt > MAX_NUM_APP) { |
| DEBUG("Maximum number of application exceeded\n"); |
| return -EACCES; |
| } |
| |
| // Search for available application info block |
| for (i=0; i<MAX_NUM_APP; i++) { |
| if ( (info->app_info[i].fileobject == NULL) ) { |
| break; |
| } |
| } |
| |
| // Fail due to lack of application info block |
| if (i == MAX_NUM_APP) { |
| DEBUG("Could not find an application info block\n"); |
| return -EACCES; |
| } |
| |
| info->appcnt++; |
| info->app_info[i].fileobject = &File->f_owner; |
| info->app_info[i].nTxMsg = 0; |
| info->app_info[i].nRxMsg = 0; |
| info->app_info[i].nTxMsgReject = 0; |
| info->app_info[i].nRxMsgMiss = 0; |
| |
| File->private_data = pdevobj[num]->net; |
| |
| nonseekable_open(Inode, File); |
| return 0; |
| } |
| |
| |
| //--------------------------------------------------------------------------- |
| // Function: ft1000_ChPoll |
| // |
| // Parameters: |
| // |
| // Description: |
| // |
| // Notes: |
| // |
| //--------------------------------------------------------------------------- |
| |
| static unsigned int ft1000_ChPoll(struct file *file, poll_table *wait) |
| { |
| struct net_device *dev = file->private_data; |
| struct ft1000_info *info; |
| int i; |
| |
| //DEBUG("ft1000_ChPoll called\n"); |
| if (ft1000_flarion_cnt == 0) { |
| DEBUG("FT1000:ft1000_ChPoll called when ft1000_flarion_cnt is zero\n"); |
| return (-EBADF); |
| } |
| |
| info = (struct ft1000_info *) netdev_priv(dev); |
| |
| // Search for matching file object |
| for (i=0; i<MAX_NUM_APP; i++) { |
| if ( info->app_info[i].fileobject == &file->f_owner) { |
| //DEBUG("FT1000:ft1000_ChIoctl: Message is for AppId = %d\n", info->app_info[i].app_id); |
| break; |
| } |
| } |
| |
| // Could not find application info block |
| if (i == MAX_NUM_APP) { |
| DEBUG("FT1000:ft1000_ChIoctl:Could not find application info block\n"); |
| return ( -EACCES ); |
| } |
| |
| if (list_empty(&info->app_info[i].app_sqlist) == 0) { |
| DEBUG("FT1000:ft1000_ChPoll:Message detected in slow queue\n"); |
| return(POLLIN | POLLRDNORM | POLLPRI); |
| } |
| |
| poll_wait (file, &info->app_info[i].wait_dpram_msg, wait); |
| //DEBUG("FT1000:ft1000_ChPoll:Polling for data from DSP\n"); |
| |
| return (0); |
| } |
| |
| //--------------------------------------------------------------------------- |
| // Function: ft1000_ChIoctl |
| // |
| // Parameters: |
| // |
| // Description: |
| // |
| // Notes: |
| // |
| //--------------------------------------------------------------------------- |
| static long ft1000_ChIoctl (struct file *File, unsigned int Command, |
| unsigned long Argument) |
| { |
| void __user *argp = (void __user *)Argument; |
| struct net_device *dev; |
| struct ft1000_info *info; |
| struct ft1000_device *ft1000dev; |
| int result=0; |
| int cmd; |
| int i; |
| u16 tempword; |
| unsigned long flags; |
| struct timeval tv; |
| IOCTL_GET_VER get_ver_data; |
| IOCTL_GET_DSP_STAT get_stat_data; |
| u8 ConnectionMsg[] = {0x00,0x44,0x10,0x20,0x80,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x93,0x64, |
| 0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x00,0x00,0x00,0x0a, |
| 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 0x00,0x00,0x02,0x37,0x00,0x00,0x00,0x08,0x00,0x00,0x00,0x01,0x00,0x01,0x7f,0x00, |
| 0x00,0x01,0x00,0x00}; |
| |
| unsigned short ledStat=0; |
| unsigned short conStat=0; |
| |
| //DEBUG("ft1000_ChIoctl called\n"); |
| |
| if (ft1000_flarion_cnt == 0) { |
| DEBUG("FT1000:ft1000_ChIoctl called when ft1000_flarion_cnt is zero\n"); |
| return (-EBADF); |
| } |
| |
| //DEBUG("FT1000:ft1000_ChIoctl:Command = 0x%x Argument = 0x%8x\n", Command, (u32)Argument); |
| |
| dev = File->private_data; |
| info = (struct ft1000_info *) netdev_priv(dev); |
| ft1000dev = info->pFt1000Dev; |
| cmd = _IOC_NR(Command); |
| //DEBUG("FT1000:ft1000_ChIoctl:cmd = 0x%x\n", cmd); |
| |
| // process the command |
| switch (cmd) { |
| case IOCTL_REGISTER_CMD: |
| DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_REGISTER called\n"); |
| result = get_user(tempword, (__u16 __user*)argp); |
| if (result) { |
| DEBUG("result = %d failed to get_user\n", result); |
| break; |
| } |
| if (tempword == DSPBCMSGID) { |
| // Search for matching file object |
| for (i=0; i<MAX_NUM_APP; i++) { |
| if ( info->app_info[i].fileobject == &File->f_owner) { |
| info->app_info[i].DspBCMsgFlag = 1; |
| DEBUG("FT1000:ft1000_ChIoctl:Registered for broadcast messages\n"); |
| break; |
| } |
| } |
| } |
| break; |
| |
| case IOCTL_GET_VER_CMD: |
| DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_GET_VER called\n"); |
| |
| get_ver_data.drv_ver = FT1000_DRV_VER; |
| |
| if (copy_to_user(argp, &get_ver_data, sizeof(get_ver_data)) ) { |
| DEBUG("FT1000:ft1000_ChIoctl: copy fault occurred\n"); |
| result = -EFAULT; |
| break; |
| } |
| |
| DEBUG("FT1000:ft1000_ChIoctl:driver version = 0x%x\n",(unsigned int)get_ver_data.drv_ver); |
| |
| break; |
| case IOCTL_CONNECT: |
| // Connect Message |
| DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_CONNECT\n"); |
| ConnectionMsg[79] = 0xfc; |
| CardSendCommand(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c); |
| |
| break; |
| case IOCTL_DISCONNECT: |
| // Disconnect Message |
| DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_DISCONNECT\n"); |
| ConnectionMsg[79] = 0xfd; |
| CardSendCommand(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c); |
| break; |
| case IOCTL_GET_DSP_STAT_CMD: |
| //DEBUG("FT1000:ft1000_ChIoctl: 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); |
| memcpy(get_stat_data.Sku, info->Sku, SKUSZ); |
| memcpy(get_stat_data.eui64, info->eui64, EUISZ); |
| |
| if (info->ProgConStat != 0xFF) { |
| ft1000_read_dpram16(ft1000dev, FT1000_MAG_DSP_LED, (PUCHAR)&ledStat, FT1000_MAG_DSP_LED_INDX); |
| get_stat_data.LedStat = ntohs(ledStat); |
| DEBUG("FT1000:ft1000_ChIoctl: LedStat = 0x%x\n", get_stat_data.LedStat); |
| ft1000_read_dpram16(ft1000dev, FT1000_MAG_DSP_CON_STATE, (PUCHAR)&conStat, FT1000_MAG_DSP_CON_STATE_INDX); |
| get_stat_data.ConStat = ntohs(conStat); |
| DEBUG("FT1000:ft1000_ChIoctl: ConStat = 0x%x\n", get_stat_data.ConStat); |
| } |
| else { |
| get_stat_data.ConStat = 0x0f; |
| } |
| |
| |
| get_stat_data.nTxPkts = info->stats.tx_packets; |
| 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 ); |
| 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)) ) { |
| DEBUG("FT1000:ft1000_ChIoctl: copy fault occurred\n"); |
| result = -EFAULT; |
| break; |
| } |
| DEBUG("ft1000_chioctl: GET_DSP_STAT succeed\n"); |
| break; |
| case IOCTL_SET_DPRAM_CMD: |
| { |
| IOCTL_DPRAM_BLK *dpram_data; |
| //IOCTL_DPRAM_COMMAND dpram_command; |
| USHORT qtype; |
| USHORT msgsz; |
| struct pseudo_hdr *ppseudo_hdr; |
| PUSHORT pmsg; |
| USHORT total_len; |
| USHORT app_index; |
| u16 status; |
| |
| //DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_SET_DPRAM called\n"); |
| |
| |
| if (ft1000_flarion_cnt == 0) { |
| return (-EBADF); |
| } |
| |
| if (info->DrvMsgPend) { |
| return (-ENOTTY); |
| } |
| |
| if ( (info->DspAsicReset) || (info->fProvComplete == 0) ) { |
| return (-EACCES); |
| } |
| |
| info->fAppMsgPend = 1; |
| |
| if (info->CardReady) { |
| |
| //DEBUG("FT1000:ft1000_ChIoctl: try to SET_DPRAM \n"); |
| |
| // Get the length field to see how many bytes to copy |
| result = get_user(msgsz, (__u16 __user *)argp); |
| msgsz = ntohs (msgsz); |
| //DEBUG("FT1000:ft1000_ChIoctl: length of message = %d\n", msgsz); |
| |
| if (msgsz > MAX_CMD_SQSIZE) { |
| DEBUG("FT1000:ft1000_ChIoctl: bad message length = %d\n", msgsz); |
| result = -EINVAL; |
| break; |
| } |
| |
| result = -ENOMEM; |
| dpram_data = kmalloc(msgsz + 2, GFP_KERNEL); |
| if (!dpram_data) |
| break; |
| |
| //if ( copy_from_user(&(dpram_command.dpram_blk), (PIOCTL_DPRAM_BLK)Argument, msgsz+2) ) { |
| if ( copy_from_user(&dpram_data, argp, msgsz+2) ) { |
| DEBUG("FT1000:ft1000_ChIoctl: copy fault occurred\n"); |
| result = -EFAULT; |
| } |
| else { |
| #if 0 |
| // whc - for debugging only |
| ptr = (char *)&dpram_data; |
| for (i=0; i<msgsz; i++) { |
| DEBUG(1,"FT1000:ft1000_ChIoctl: data %d = 0x%x\n", i, *ptr++); |
| } |
| #endif |
| // Check if this message came from a registered application |
| for (i=0; i<MAX_NUM_APP; i++) { |
| if ( info->app_info[i].fileobject == &File->f_owner) { |
| break; |
| } |
| } |
| if (i==MAX_NUM_APP) { |
| DEBUG("FT1000:No matching application fileobject\n"); |
| result = -EINVAL; |
| kfree(dpram_data); |
| break; |
| } |
| app_index = i; |
| |
| // Check message qtype type which is the lower byte within qos_class |
| //qtype = ntohs(dpram_command.dpram_blk.pseudohdr.qos_class) & 0xff; |
| qtype = ntohs(dpram_data->pseudohdr.qos_class) & 0xff; |
| //DEBUG("FT1000_ft1000_ChIoctl: qtype = %d\n", qtype); |
| if (qtype) { |
| } |
| 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_ChIoctl: READ REGISTER tempword=%x\n", tempword); |
| if (tempword & FT1000_DB_DPRAM_TX) { |
| // 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 |
| 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 |
| mdelay(3); |
| status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL); |
| if (tempword & FT1000_DB_DPRAM_TX) { |
| DEBUG("FT1000:ft1000_ChIoctl:Doorbell not available\n"); |
| result = -ENOTTY; |
| kfree(dpram_data); |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| //DEBUG("FT1000_ft1000_ChIoctl: 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 |
| //pmsg = (PUSHORT)&dpram_command.dpram_blk.pseudohdr; |
| pmsg = (PUSHORT)&dpram_data->pseudohdr; |
| ppseudo_hdr = (struct pseudo_hdr *)pmsg; |
| total_len = msgsz+2; |
| if (total_len & 0x1) { |
| total_len++; |
| } |
| |
| // Insert slow queue sequence number |
| ppseudo_hdr->seq_num = info->squeseqnum++; |
| ppseudo_hdr->portsrc = info->app_info[app_index].app_id; |
| // Calculate new checksum |
| ppseudo_hdr->checksum = *pmsg++; |
| //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); |
| } |
| pmsg++; |
| ppseudo_hdr = (struct pseudo_hdr *)pmsg; |
| #if 0 |
| ptr = dpram_data; |
| DEBUG("FT1000:ft1000_ChIoctl: Command Send\n"); |
| for (i=0; i<total_len; i++) { |
| DEBUG("FT1000:ft1000_ChIoctl: data %d = 0x%x\n", i, *ptr++); |
| } |
| #endif |
| //dpram_command.extra = 0; |
| |
| //CardSendCommand(ft1000dev,(unsigned char*)&dpram_command,total_len+2); |
| CardSendCommand(ft1000dev,(unsigned short*)dpram_data,total_len+2); |
| |
| |
| info->app_info[app_index].nTxMsg++; |
| } |
| else { |
| result = -EINVAL; |
| } |
| } |
| } |
| } |
| else { |
| DEBUG("FT1000:ft1000_ChIoctl: Card not ready take messages\n"); |
| result = -EACCES; |
| } |
| kfree(dpram_data); |
| |
| } |
| break; |
| case IOCTL_GET_DPRAM_CMD: |
| { |
| struct dpram_blk *pdpram_blk; |
| IOCTL_DPRAM_BLK __user *pioctl_dpram; |
| int msglen; |
| |
| //DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_GET_DPRAM called\n"); |
| |
| if (ft1000_flarion_cnt == 0) { |
| return (-EBADF); |
| } |
| |
| // Search for matching file object |
| for (i=0; i<MAX_NUM_APP; i++) { |
| if ( info->app_info[i].fileobject == &File->f_owner) { |
| //DEBUG("FT1000:ft1000_ChIoctl: Message is for AppId = %d\n", info->app_info[i].app_id); |
| break; |
| } |
| } |
| |
| // Could not find application info block |
| if (i == MAX_NUM_APP) { |
| DEBUG("FT1000:ft1000_ChIoctl:Could not find application info block\n"); |
| result = -EBADF; |
| break; |
| } |
| |
| result = 0; |
| pioctl_dpram = argp; |
| if (list_empty(&info->app_info[i].app_sqlist) == 0) { |
| //DEBUG("FT1000:ft1000_ChIoctl:Message detected in slow queue\n"); |
| spin_lock_irqsave(&free_buff_lock, flags); |
| pdpram_blk = list_entry(info->app_info[i].app_sqlist.next, struct dpram_blk, list); |
| list_del(&pdpram_blk->list); |
| info->app_info[i].NumOfMsg--; |
| //DEBUG("FT1000:ft1000_ChIoctl:NumOfMsg for app %d = %d\n", i, info->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_ChIoctl:msg length = %x\n", msglen); |
| if(copy_to_user (&pioctl_dpram->pseudohdr, pdpram_blk->pbuffer, msglen)) |
| { |
| DEBUG("FT1000:ft1000_ChIoctl: copy fault occurred\n"); |
| result = -EFAULT; |
| break; |
| } |
| |
| ft1000_free_buffer(pdpram_blk, &freercvpool); |
| result = msglen; |
| } |
| //DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_GET_DPRAM no message\n"); |
| } |
| break; |
| |
| default: |
| DEBUG("FT1000:ft1000_ChIoctl:unknown command: 0x%x\n", Command); |
| result = -ENOTTY; |
| break; |
| } |
| info->fAppMsgPend = 0; |
| return result; |
| } |
| |
| //--------------------------------------------------------------------------- |
| // Function: ft1000_ChRelease |
| // |
| // Parameters: |
| // |
| // Description: |
| // |
| // Notes: |
| // |
| //--------------------------------------------------------------------------- |
| static int ft1000_ChRelease (struct inode *Inode, struct file *File) |
| { |
| struct ft1000_info *info; |
| struct net_device *dev; |
| int i; |
| struct dpram_blk *pdpram_blk; |
| |
| DEBUG("ft1000_ChRelease called\n"); |
| |
| dev = File->private_data; |
| info = (struct ft1000_info *) netdev_priv(dev); |
| |
| if (ft1000_flarion_cnt == 0) { |
| info->appcnt--; |
| return (-EBADF); |
| } |
| |
| // Search for matching file object |
| for (i=0; i<MAX_NUM_APP; i++) { |
| if ( info->app_info[i].fileobject == &File->f_owner) { |
| //DEBUG("FT1000:ft1000_ChIoctl: Message is for AppId = %d\n", info->app_info[i].app_id); |
| break; |
| } |
| } |
| |
| if (i==MAX_NUM_APP) |
| return 0; |
| |
| while (list_empty(&info->app_info[i].app_sqlist) == 0) { |
| DEBUG("Remove and free memory queue up on slow queue\n"); |
| pdpram_blk = list_entry(info->app_info[i].app_sqlist.next, struct dpram_blk, list); |
| list_del(&pdpram_blk->list); |
| ft1000_free_buffer(pdpram_blk, &freercvpool); |
| } |
| |
| // initialize application information |
| info->appcnt--; |
| DEBUG("ft1000_chdev:%s:appcnt = %d\n", __FUNCTION__, info->appcnt); |
| info->app_info[i].fileobject = NULL; |
| |
| return 0; |
| } |
| |
