Ejemplos de multipdp_vnet_recv en C++ (Cpp)

Ejemplo n.º 1

Archivo: multipdp.c Proyecto: ARMP/samsung_kernel_cooper

//0x7F, pdp_hdr
static int multipdp_demux(char *buf, int size)
{

	int ret;
	u8 ch;
	size_t len;
	struct pdp_info *dev = NULL;
	struct pdp_hdr hdr;

	//printk("multipdp_demux : size = %d\n", size);
   	//mutex_lock(&pdp_lock);
	
	memcpy( (void *)&hdr, (void *)buf, sizeof( struct pdp_hdr));

	len = hdr.len - sizeof(struct pdp_hdr);

	dev = pdp_get_dev(hdr.id);

	if (dev == NULL) {
		printk("========================================= : (1)\n");
		yhexdump((char*)&hdr, sizeof(struct pdp_hdr));		
		printk("========================================= : (2)\n");
		yhexdump((char*)buf, size);	
		printk("========================================= : (3)\n");
		EPRINTK("invalid id: %u, there is no existing device.\n", hdr.id);

		multipdp_dump();
		ret = -ENODEV;
		goto err;
	}

	if( buf[-1] != 0x7F)
	{
		printk("============ multipdp_demux :  ******** not 0x7F \n");	
	}
	
	if( len > size )
	{
		printk("============== multipdp_demux : len>size : len=%d, size=%d\n", size, len);
	}

	/* read data */
	switch (dev->type) {
		case DEV_TYPE_NET:
			if( len > 1500 )
			{	
				printk("-------------> len is [%d]\n", len);
				multipdp_dump();
			}
			//printk("multipdp_demux:vnet_recv(VNET) (1): len = %d\n", len);
			ret = multipdp_vnet_recv(dev, (char *)&buf[sizeof(struct pdp_hdr)],  len);
			break;
		case DEV_TYPE_SERIAL:
			//printk("multipdp_demux:vs_read(SERIAL) : len = %d\n", len);
			ret = multipdp_vs_read(dev, (char *)&buf[sizeof(struct pdp_hdr)], len);
			break;
		default:
			printk("-------------> type invalid [%d]\n", dev->type);
			multipdp_dump();
			ret = -1;
	}

	if (ret < 0) {
		goto err;
	}
	/* check stop byte */
	ch = buf[hdr.len];

	if ( ch != 0x7e) {
		printk(" *******Not 0x7E ... !!!!\n");
      		//mutex_unlock(&pdp_lock);
		return ret;
	}

   	//mutex_unlock(&pdp_lock);
   	return ret;
   
err:
	/* flush the remaining data including stop byte. */
   	//mutex_unlock(&pdp_lock);
	return ret;
}

Ejemplo n.º 2

Archivo: multipdp.c Proyecto: mb-14/gt-s7500_kernel

static int multipdp_demux(char *buf, int size)
{
	int ret;
	u8 ch;
	size_t len;
	struct pdp_info *dev = NULL;
	struct pdp_hdr hdr;

	/*
	mutex_lock(&pdp_lock);
	*/
	memcpy((void *)&hdr, (void *)buf, sizeof(struct pdp_hdr));
	len = hdr.len - sizeof(struct pdp_hdr);
	dev = pdp_get_dev(hdr.id);

	if (dev == NULL) {
		pr_err("[MULTIPDP] invalid id: %u, no existing device.\n",
			hdr.id);
		yhexdump((char *)&hdr, sizeof(struct pdp_hdr));

		multipdp_dump();
		ret = -ENODEV;
		goto err;
	}

	if (buf[-1] != 0x7F)
		pr_err("[MULTIPDP] Start byte is not 0x7F\n");

	if (len > size)
		pr_err("[MULTIPDP] len>size : len=%d, size=%d\n", size, len);

	/* read data */
	switch (dev->type) {
	case DEV_TYPE_NET:
		if (len > 1500) {
			pr_err("[MULTIPDP] TYPE_NET len is [%d]\n", len);
			multipdp_dump();
		}
		ret = multipdp_vnet_recv(dev,
				(char *)&buf[sizeof(struct pdp_hdr)],
				len);
		break;
	case DEV_TYPE_SERIAL:
		ret = multipdp_vs_read(dev,
				(char *)&buf[sizeof(struct pdp_hdr)],
				len);
		break;
	default:
		pr_err("[MULTIPDP] Type invalid [%d]\n", dev->type);
		multipdp_dump();
		ret = -1;
	}

	if (ret < 0)
		goto err;

	/* check stop byte */
	ch = buf[hdr.len];

	if (ch != 0x7e) {
		pr_err("[MULTIPDP] End byte is Not 0x7E ... !!!!\n");
		/*
		mutex_unlock(&pdp_lock);
		*/
		return ret;
	}
	/*
	mutex_unlock(&pdp_lock);
	*/
	return ret;

 err:
	/* flush the remaining data including stop byte. */
	/*
	mutex_unlock(&pdp_lock);
	*/
	return ret;
}