V4L/DVB (8261): sms1xxx: remove smsnet.o

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

2 files changed, 1 insertions, 448 deletions

diff --git a/drivers/media/mdtv/Makefile b/drivers/media/mdtv/Makefile
index 9798657c7a5..c3cf917d726 100644
--- a/drivers/media/mdtv/Makefile
+++ b/drivers/media/mdtv/Makefile
@@ -4,6 +4,6 @@
 
 smscore-objs := smschar.o smscoreapi.o
 
-obj-$(CONFIG_MDTV_SIANO_STELLAR_COMMON) += smscore.o smsnet.o
+obj-$(CONFIG_MDTV_SIANO_STELLAR_COMMON) += smscore.o
 obj-$(CONFIG_MDTV_SIANO_STELLAR_USB) += smsusb.o
 obj-$(CONFIG_MDTV_SIANO_STELLAR_USB) += smsdvb.o
diff --git a/drivers/media/mdtv/smsnet.c b/drivers/media/mdtv/smsnet.c
deleted file mode 100644
index 5b70d1261e5..00000000000
--- a/drivers/media/mdtv/smsnet.c
+++ /dev/null
@@ -1,447 +0,0 @@
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>    /* struct device, and other headers */
-#include <linux/etherdevice.h>  /* eth_type_trans */
-#include <linux/ip.h>           /* struct iphdr */
-#include <linux/ipv6.h>         /* struct ipv6hdr */
-#include <linux/in.h>
-
-#include "smskdefs.h" // page, scatterlist, kmutex
-#include "smscoreapi.h"
-#include "smstypes.h"
-
-#define IPV4VERSION			0x40
-#define IPV6VERSION			0x60
-#define GETIPVERSION(_x_)	((_x_) & 0xf0)
-
-typedef struct _smsnet_client
-{
-	struct list_head entry;
-
-	smscore_device_t *coredev;
-	smscore_client_t *smsclient;
-
-	int				packet_length, splitpacket_length;
-	int				header_length, splitheader_length;
-	u8				splitpacket[ETH_DATA_LEN];
-} smsnet_client_t;
-
-struct list_head g_smsnet_clients;
-kmutex_t g_smsnet_clientslock;
-
-struct net_device *g_smsnet_device = NULL;
-struct net_device_stats g_smsnet_stats;
-
-int	g_smsnet_inuse = 0;
-
-void smsnet_send_packet(u8* buffer, int length)
-{
-	u8 *eth;
-	struct sk_buff *skb = dev_alloc_skb(length + ETH_HLEN + NET_IP_ALIGN);
-
-	if (!skb)
-	{
-		g_smsnet_stats.rx_dropped++;
-		return;
-	}
-
-	skb_reserve(skb, NET_IP_ALIGN);
-
-	eth = (u8 *) skb_put(skb, length + ETH_HLEN);
-	memcpy(eth + ETH_HLEN, buffer, length);
-
-	eth[6] = 0;
-	eth[7] = 1;
-	eth[8] = 1;
-	eth[9] = 3;
-	eth[10] = 4;
-	eth[11] = 5;
-
-	if (GETIPVERSION(*buffer) == IPV4VERSION)
-	{
-		eth[0] = 1;
-		eth[1] = 0;
-		eth[2] = 0x5e;
-		eth[3] = buffer[17] & 0x7f;
-		eth[4] = buffer[18];
-		eth[5] = buffer[19];
-
-		eth[12] = 0x08;
-		eth[13] = 0x00;
-	}
-	else
-	{
-		// todo: ip6 mcast address
-
-		eth[12] = 0x86;
-		eth[13] = 0xdd;
-	}
-
-	skb->dev = g_smsnet_device;
-	skb->protocol = eth_type_trans(skb, g_smsnet_device);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
-
-	g_smsnet_stats.rx_packets ++;
-	g_smsnet_stats.rx_bytes += skb->len;
-
-	netif_rx(skb);
-}
-
-int check_header(smsnet_client_t* client, u8* buffer)
-{
-	struct iphdr *ip4_hdr;
-	struct ipv6hdr *ip6_hdr;
-	struct udphdr *udp_hdr;
-	u16 csum;
-
-	// check if packet header is valid and it is a UDP
-	if (GETIPVERSION(*buffer) == IPV4VERSION)
-	{
-		ip4_hdr = (struct iphdr*) buffer;
-		csum = ip4_hdr->check;
-
-		ip4_hdr->check = 0;
-
-		// check header checksum for IPv4 packets
-		if(ip4_hdr->protocol != IPPROTO_UDP || csum != ip_fast_csum(buffer, ip4_hdr->ihl))
-		{
-			ip4_hdr->check = csum;
-			return 0;
-		}
-
-		ip4_hdr->check = csum;
-		client->packet_length = ntohs(ip4_hdr->tot_len);
-	}
-	else
-	{
-		ip6_hdr = (struct ipv6hdr *) buffer;
-		udp_hdr = (struct udphdr *)(ip6_hdr + 1);
-
-		if ((ip6_hdr->nexthdr != IPPROTO_UDP) ||
-			(ip6_hdr->payload_len != udp_hdr->len))
-		{
-			return 0;
-		}
-
-		client->packet_length = ntohs(ip6_hdr->payload_len) + sizeof(struct ipv6hdr);
-	}
-
-	// check for abnormal packet length
-	if (client->packet_length > ETH_DATA_LEN)
-		return 0;
-
-	return 1;
-}
-
-int smsnet_onresponse(void *context, smscore_buffer_t *cb)
-{
-	smsnet_client_t *client = (smsnet_client_t *) context;
-	int				length, rest;
-	u8				ip_ver, *buffer;
-
-	buffer = ((u8*) cb->p) + cb->offset + sizeof(SmsMsgHdr_ST);
-	length = cb->size - sizeof(SmsMsgHdr_ST);
-
-	if (client->splitheader_length)
-	{
-		// how much data is missing ?
-		rest = client->header_length - client->splitheader_length;
-
-		// do we have enough in this buffer ?
-		rest = min(rest, length);
-
-		memcpy(&client->splitpacket[client->splitheader_length], buffer, rest);
-
-		client->splitheader_length += rest;
-
-		if (client->splitheader_length != client->header_length)
-			goto exit;
-
-		if (check_header(client, client->splitpacket))
-		{
-			buffer += rest;
-			length -= rest;
-
-			client->splitpacket_length = client->header_length;
-		}
-
-		client->splitheader_length = 0;
-	}
-
-	if (client->splitpacket_length)
-	{
-		// how much data is missing ?
-		rest = client->packet_length - client->splitpacket_length;
-
-		// do we have enough in this buffer ?
-		rest = min(rest, length);
-
-		memcpy(&client->splitpacket[client->splitpacket_length], buffer, rest);
-
-		client->splitpacket_length += rest;
-
-		if (client->splitpacket_length != client->packet_length)
-			goto exit;
-
-		client->splitpacket_length = 0;
-
-		smsnet_send_packet(client->splitpacket, client->packet_length);
-
-		buffer += rest;
-		length -= rest;
-	}
-
-	while (length > 0)
-	{
-		ip_ver = GETIPVERSION(*buffer);
-		while (length && (ip_ver != IPV4VERSION) && (ip_ver != IPV6VERSION))
-		{
-			buffer++;
-			length--;
-			ip_ver = GETIPVERSION(*buffer);
-		}
-
-		// No more data in section
-		if (!length)
-			break;
-
-		// Set the header length at start of packet according to the version
-		// no problem with the IP header cast, since we have at least 1 byte (we use only the first byte)
-		client->header_length = (ip_ver == IPV4VERSION) ? (((struct iphdr *) buffer)->ihl * 4) : (sizeof(struct ipv6hdr) + sizeof(struct udphdr));
-
-		// Check that Header length is at least 20 (min IPv4 length)
-		if (client->header_length < 20)
-		{
-			length--;
-			buffer++;
-			continue;
-		}
-
-		// check split header case
-		if (client->header_length > length)
-		{
-			memcpy(client->splitpacket, buffer, length);
-			client->splitheader_length = length;
-			break;
-		}
-
-		if (check_header(client, buffer))
-		{
-			// check split packet case
-			if (client->packet_length > length)
-			{
-				memcpy(client->splitpacket, buffer, length);
-				client->splitpacket_length = length;
-				break;
-			}
-		}
-		else
-		{
-			length --;
-			buffer ++;
-			continue;
-		}
-
-		smsnet_send_packet(buffer, client->packet_length);
-
-		buffer += client->packet_length;
-		length -= client->packet_length;
-	}
-
-exit:
-	smscore_putbuffer(client->coredev, cb);
-
-	return 0;
-}
-
-void smsnet_unregister_client(smsnet_client_t* client)
-{
-	// must be called under clientslock
-
-	list_del(&client->entry);
-
-	smscore_unregister_client(client->smsclient);
-	kfree(client);
-}
-
-void smsnet_onremove(void *context)
-{
-	kmutex_lock(&g_smsnet_clientslock);
-
-	smsnet_unregister_client((smsnet_client_t*) context);
-
-	kmutex_unlock(&g_smsnet_clientslock);
-}
-
-int smsnet_hotplug(smscore_device_t *coredev, struct device* device, int arrival)
-{
-	smsclient_params_t params;
-	smsnet_client_t* client;
-	int rc;
-
-	// device removal handled by onremove callback
-	if (!arrival)
-		return 0;
-
-	client = kzalloc(sizeof(smsnet_client_t), GFP_KERNEL);
-	if (!client)
-	{
-		printk(KERN_INFO "%s kmalloc() failed\n", __FUNCTION__);
-		return -ENOMEM;
-	}
-
-	params.initial_id = 0;
-	params.data_type = MSG_SMS_DATA_MSG;
-	params.onresponse_handler = smsnet_onresponse;
-	params.onremove_handler = smsnet_onremove;
-	params.context = client;
-
-	rc = smscore_register_client(coredev, &params, &client->smsclient);
-	if (rc < 0)
-	{
-		printk(KERN_INFO "%s smscore_register_client() failed %d\n", __FUNCTION__, rc);
-		kfree(client);
-		return rc;
-	}
-
-	client->coredev = coredev;
-
-	kmutex_lock(&g_smsnet_clientslock);
-
-	list_add(&client->entry, &g_smsnet_clients);
-
-	kmutex_unlock(&g_smsnet_clientslock);
-
-	printk(KERN_INFO "%s success\n", __FUNCTION__);
-
-	return 0;
-}
-
-static int smsnet_open(struct net_device *dev)
-{
-	g_smsnet_inuse ++;
-
-	netif_start_queue(dev);
-
-	printk(KERN_INFO "%s, %d\n", __FUNCTION__, g_smsnet_inuse);
-
-	return 0;
-}
-
-static int smsnet_stop(struct net_device *dev)
-{
-	netif_stop_queue(dev);
-
-	g_smsnet_inuse --;
-
-	printk(KERN_INFO "%s, %d\n", __FUNCTION__, g_smsnet_inuse);
-
-	return 0;
-}
-
-static int smsnet_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	printk(KERN_INFO "%s\n", __FUNCTION__);
-
-	dev_kfree_skb(skb);
-	return 0;
-}
-
-static struct net_device_stats * smsnet_get_stats(struct net_device *dev)
-{
-	return &g_smsnet_stats;
-}
-
-static void smsnet_set_multicast_list(struct net_device *dev)
-{
-	printk(KERN_INFO "%s %d\n", __FUNCTION__, dev->mc_count);
-	if (dev->mc_count)
-	{
-		struct dev_mc_list	*p;
-
-		for (p = dev->mc_list; p; p = p->next)
-			printk(KERN_INFO "%s %d %02x %02x %02x %02x %02x %02x %02x %02x\n", __FUNCTION__, p->dmi_addrlen,
-				p->dmi_addr[0], p->dmi_addr[1], p->dmi_addr[2], p->dmi_addr[3],
-				p->dmi_addr[4], p->dmi_addr[5], p->dmi_addr[6], p->dmi_addr[7]
-			);
-	}
-}
-
-static void smsnet_setup_device(struct net_device *dev)
-{
-	ether_setup(dev);
-
-	dev->open				= smsnet_open;
-	dev->stop				= smsnet_stop;
-	dev->hard_start_xmit	= smsnet_hard_start_xmit;
-	dev->get_stats			= smsnet_get_stats;
-	dev->set_multicast_list = smsnet_set_multicast_list;
-
-	dev->mc_count = 0;
-	dev->hard_header_cache  = NULL;
-
-	memcpy(dev->dev_addr, "\0SIANO", ETH_ALEN);
-
-	dev->flags |= IFF_NOARP;
-    dev->features |= NETIF_F_NO_CSUM;
-}
-
-int smsnet_module_init(void)
-{
-	int rc;
-
-	INIT_LIST_HEAD(&g_smsnet_clients);
-	kmutex_init(&g_smsnet_clientslock);
-
-	memset(&g_smsnet_stats, 0, sizeof(g_smsnet_stats));
-
-	g_smsnet_device = alloc_netdev(0, "sms", smsnet_setup_device);
-	if (!g_smsnet_device)
-	{
-		printk(KERN_INFO "%s alloc_netdev() failed\n", __FUNCTION__);
-		return -ENOMEM;
-	}
-
-	rc = register_netdev(g_smsnet_device);
-	if (rc < 0)
-	{
-		printk(KERN_INFO "%s register_netdev() failed %d\n", __FUNCTION__, rc);
-		free_netdev(g_smsnet_device);
-		return rc;
-	}
-
-	rc = smscore_register_hotplug(smsnet_hotplug);
-
-	printk(KERN_INFO "%s, rc %d\n", __FUNCTION__, rc);
-
-	return rc;
-}
-
-void smsnet_module_exit(void)
-{
-	if (g_smsnet_device)
-	{
-		unregister_netdev(g_smsnet_device);
-		free_netdev(g_smsnet_device);
-
-		g_smsnet_device = NULL;
-	}
-
-	smscore_unregister_hotplug(smsnet_hotplug);
-
-	kmutex_lock(&g_smsnet_clientslock);
-
-	while (!list_empty(&g_smsnet_clients))
-		smsnet_unregister_client((smsnet_client_t*) g_smsnet_clients.next);
-
-	kmutex_unlock(&g_smsnet_clientslock);
-
-	printk(KERN_INFO "%s\n", __FUNCTION__);
-}
-
-module_init(smsnet_module_init);
-module_exit(smsnet_module_exit);
-
-MODULE_DESCRIPTION("smsnet dvb-h ip sink module");
-MODULE_AUTHOR("Anatoly Greenblatt,,, (anatolyg@siano-ms.com)");
-MODULE_LICENSE("GPL");