/* fwioctl.c */

#include <fwdd.h>
#include <fwcomm.h>

extern struct fwlrtype logrec[MAX_LOG];

extern int nextin;
extern int nextout;
extern int time_to_live;
extern int pfx_length;

/**/
/* Character device open entry point */

int fw_open(
struct inode *inode,
struct file *fp)
{
   return(0);
}

/**/
/* Character device release */

int fw_release(
struct inode *inode,
struct file *fp)
{
   return(0);
}

/**/
/* Character device ioctl entry point */

int fw_ioctl(
struct inode *inode,
struct file  *fp,
unsigned int  func_code,
unsigned long arg)
{
   unsigned int *word;
   int rc;
   word = (unsigned int *)arg;

   printk("Ioctl called \n");
   switch(func_code)
   {
   case FW_DUMPLOG:
      rc = verify_area(VERIFY_WRITE, (char *)word,
                       nextin * sizeof(struct fwlrtype));
      if (rc)
      {
         printk("Verify area returned %d \n", rc);
         return(rc);
      }
      copy_to_user(word, logrec,
                       nextin * sizeof(struct fwlrtype));

      return(nextin);
      break;

   case FW_CLEARLOG:
      nextin = 0;
      break;

   case FW_SET_TTL:
      get_user(time_to_live, word);
      break;

   case FW_SET_PFX:
      get_user(pfx_length, word);

   default:;
   }
   return(0);
}