#include <asm/uaccess.h>
#include <linux/crc32.h>
#include <linux/mutex.h>
+#include <linux/sched.h>
#include "dvb_demux.h"
#include "dvb_net.h"
struct dvb_net_priv {
int in_use;
- struct net_device_stats stats;
u16 pid;
struct net_device *net;
struct dvb_net *host;
* stolen from eth.c out of the linux kernel, hacked for dvb-device
* by Michael Holzt <kju@debian.org>
*/
-static unsigned short dvb_net_eth_type_trans(struct sk_buff *skb,
+static __be16 dvb_net_eth_type_trans(struct sk_buff *skb,
struct net_device *dev)
{
struct ethhdr *eth;
if(ext_len >= 0) {
p->ule_next_hdr += ext_len;
if (!p->ule_bridged) {
- p->ule_sndu_type = ntohs(*(unsigned short *)p->ule_next_hdr);
+ p->ule_sndu_type = ntohs(*(__be16 *)p->ule_next_hdr);
p->ule_next_hdr += 2;
} else {
- p->ule_sndu_type = ntohs(*(unsigned short *)(p->ule_next_hdr + ((p->ule_dbit ? 2 : 3) * ETH_ALEN)));
+ p->ule_sndu_type = ntohs(*(__be16 *)(p->ule_next_hdr + ((p->ule_dbit ? 2 : 3) * ETH_ALEN)));
/* This assures the extension handling loop will terminate. */
}
}
if (ule_optional_ext_handlers[htype])
(void)ule_optional_ext_handlers[htype]( p );
p->ule_next_hdr += ext_len;
- p->ule_sndu_type = ntohs( *(unsigned short *)(p->ule_next_hdr-2) );
+ p->ule_sndu_type = ntohs( *(__be16 *)(p->ule_next_hdr-2) );
/*
* note: the length of the next header type is included in the
* length of THIS optional extension header
*/
static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
unsigned long skipped = 0L;
- u8 *ts, *ts_end, *from_where = NULL, ts_remain = 0, how_much = 0, new_ts = 1;
+ const u8 *ts, *ts_end, *from_where = NULL;
+ u8 ts_remain = 0, how_much = 0, new_ts = 1;
struct ethhdr *ethh = NULL;
#ifdef ULE_DEBUG
/* The code inside ULE_DEBUG keeps a history of the last 100 TS cells processed. */
static unsigned char ule_hist[100*TS_SZ];
- static unsigned char *ule_where = ule_hist, ule_dump = 0;
+ static unsigned char *ule_where = ule_hist, ule_dump;
#endif
- if (dev == NULL) {
- printk( KERN_ERR "NO netdev struct!\n" );
- return;
- }
-
/* For all TS cells in current buffer.
* Appearently, we are called for every single TS cell.
*/
- for (ts = (char *)buf, ts_end = (char *)buf + buf_len; ts < ts_end; /* no default incr. */ ) {
+ for (ts = buf, ts_end = buf + buf_len; ts < ts_end; /* no default incr. */ ) {
if (new_ts) {
/* We are about to process a new TS cell. */
if (priv->ule_skb) {
dev_kfree_skb( priv->ule_skb );
/* Prepare for next SNDU. */
- priv->stats.rx_errors++;
- priv->stats.rx_frame_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_frame_errors++;
}
reset_ule(priv);
priv->need_pusi = 1;
dev_kfree_skb( priv->ule_skb );
/* Prepare for next SNDU. */
// reset_ule(priv); moved to below.
- priv->stats.rx_errors++;
- priv->stats.rx_frame_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_frame_errors++;
}
reset_ule(priv);
/* skip to next PUSI. */
/* Drop partly decoded SNDU, reset state, resync on PUSI. */
if (priv->ule_skb) {
dev_kfree_skb( priv->ule_skb );
- ((struct dvb_net_priv *) dev->priv)->stats.rx_errors++;
- ((struct dvb_net_priv *) dev->priv)->stats.rx_frame_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_frame_errors++;
}
reset_ule(priv);
priv->need_pusi = 1;
if (priv->ule_sndu_remain > 183) {
/* Current SNDU lacks more data than there could be available in the
* current TS cell. */
- priv->stats.rx_errors++;
- priv->stats.rx_length_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_length_errors++;
printk(KERN_WARNING "%lu: Expected %d more SNDU bytes, but "
"got PUSI (pf %d, ts_remain %d). Flushing incomplete payload.\n",
priv->ts_count, priv->ule_sndu_remain, ts[4], ts_remain);
if (priv->ule_sndu_len < 5) {
printk(KERN_WARNING "%lu: Invalid ULE SNDU length %u. "
"Resyncing.\n", priv->ts_count, priv->ule_sndu_len);
- priv->stats.rx_errors++;
- priv->stats.rx_length_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_length_errors++;
priv->ule_sndu_len = 0;
priv->need_pusi = 1;
new_ts = 1;
if (priv->ule_skb == NULL) {
printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n",
dev->name);
- ((struct dvb_net_priv *)dev->priv)->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
return;
}
/* Check for complete payload. */
if (priv->ule_sndu_remain <= 0) {
/* Check CRC32, we've got it in our skb already. */
- unsigned short ulen = htons(priv->ule_sndu_len);
- unsigned short utype = htons(priv->ule_sndu_type);
+ __be16 ulen = htons(priv->ule_sndu_len);
+ __be16 utype = htons(priv->ule_sndu_type);
const u8 *tail;
struct kvec iov[3] = {
{ &ulen, sizeof ulen },
if (priv->ule_dbit) {
/* Set D-bit for CRC32 verification,
* if it was set originally. */
- ulen |= 0x0080;
+ ulen |= htons(0x8000);
}
ule_crc = iov_crc32(ule_crc, iov, 3);
ule_dump = 1;
#endif
- priv->stats.rx_errors++;
- priv->stats.rx_crc_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_crc_errors++;
dev_kfree_skb(priv->ule_skb);
} else {
/* CRC32 verified OK. */
drop = 1;
/* else: destination address matches the MAC address of our receiver device */
}
- /* else: promiscious mode; pass everything up the stack */
+ /* else: promiscuous mode; pass everything up the stack */
if (drop) {
#ifdef ULE_DEBUG
}
else
{
- memcpy(dest_addr, priv->ule_skb->data, ETH_ALEN);
+ skb_copy_from_linear_data(priv->ule_skb,
+ dest_addr,
+ ETH_ALEN);
skb_pull(priv->ule_skb, ETH_ALEN);
}
}
* receive the packet anyhow. */
/* if (priv->ule_dbit && skb->pkt_type == PACKET_OTHERHOST)
priv->ule_skb->pkt_type = PACKET_HOST; */
- priv->stats.rx_packets++;
- priv->stats.rx_bytes += priv->ule_skb->len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += priv->ule_skb->len;
netif_rx(priv->ule_skb);
}
sndu_done:
{
struct net_device *dev = feed->priv;
- if (buffer2 != 0)
- printk(KERN_WARNING "buffer2 not 0: %p.\n", buffer2);
+ if (buffer2)
+ printk(KERN_WARNING "buffer2 not NULL: %p.\n", buffer2);
if (buffer1_len > 32768)
printk(KERN_WARNING "length > 32k: %zu.\n", buffer1_len);
/* printk("TS callback: %u bytes, %u TS cells @ %p.\n",
}
-static void dvb_net_sec(struct net_device *dev, u8 *pkt, int pkt_len)
+static void dvb_net_sec(struct net_device *dev,
+ const u8 *pkt, int pkt_len)
{
u8 *eth;
struct sk_buff *skb;
- struct net_device_stats *stats = &(((struct dvb_net_priv *) dev->priv)->stats);
+ struct net_device_stats *stats = &dev->stats;
int snap = 0;
/* note: pkt_len includes a 32bit checksum */
* we rely on the DVB API definition where exactly one complete
* section is delivered in buffer1
*/
- dvb_net_sec (dev, (u8*) buffer1, buffer1_len);
+ dvb_net_sec (dev, buffer1, buffer1_len);
return 0;
}
static int dvb_net_tx(struct sk_buff *skb, struct net_device *dev)
{
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static u8 mask_normal[6]={0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct dmx_section_filter **secfilter,
u8 *mac, u8 *mac_mask)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
int ret;
*secfilter=NULL;
static int dvb_net_feed_start(struct net_device *dev)
{
int ret = 0, i;
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
struct dmx_demux *demux = priv->demux;
unsigned char *mac = (unsigned char *) dev->dev_addr;
- dprintk("%s: rx_mode %i\n", __FUNCTION__, priv->rx_mode);
+ dprintk("%s: rx_mode %i\n", __func__, priv->rx_mode);
mutex_lock(&priv->mutex);
if (priv->tsfeed || priv->secfeed || priv->secfilter || priv->multi_secfilter[0])
- printk("%s: BUG %d\n", __FUNCTION__, __LINE__);
+ printk("%s: BUG %d\n", __func__, __LINE__);
priv->secfeed=NULL;
priv->secfilter=NULL;
priv->tsfeed = NULL;
if (priv->feedtype == DVB_NET_FEEDTYPE_MPE) {
- dprintk("%s: alloc secfeed\n", __FUNCTION__);
+ dprintk("%s: alloc secfeed\n", __func__);
ret=demux->allocate_section_feed(demux, &priv->secfeed,
dvb_net_sec_callback);
if (ret<0) {
}
if (priv->rx_mode != RX_MODE_PROMISC) {
- dprintk("%s: set secfilter\n", __FUNCTION__);
+ dprintk("%s: set secfilter\n", __func__);
dvb_net_filter_sec_set(dev, &priv->secfilter, mac, mask_normal);
}
switch (priv->rx_mode) {
case RX_MODE_MULTI:
for (i = 0; i < priv->multi_num; i++) {
- dprintk("%s: set multi_secfilter[%d]\n", __FUNCTION__, i);
+ dprintk("%s: set multi_secfilter[%d]\n", __func__, i);
dvb_net_filter_sec_set(dev, &priv->multi_secfilter[i],
priv->multi_macs[i], mask_normal);
}
break;
case RX_MODE_ALL_MULTI:
priv->multi_num=1;
- dprintk("%s: set multi_secfilter[0]\n", __FUNCTION__);
+ dprintk("%s: set multi_secfilter[0]\n", __func__);
dvb_net_filter_sec_set(dev, &priv->multi_secfilter[0],
mac_allmulti, mask_allmulti);
break;
case RX_MODE_PROMISC:
priv->multi_num=0;
- dprintk("%s: set secfilter\n", __FUNCTION__);
+ dprintk("%s: set secfilter\n", __func__);
dvb_net_filter_sec_set(dev, &priv->secfilter, mac, mask_promisc);
break;
}
- dprintk("%s: start filtering\n", __FUNCTION__);
+ dprintk("%s: start filtering\n", __func__);
priv->secfeed->start_filtering(priv->secfeed);
} else if (priv->feedtype == DVB_NET_FEEDTYPE_ULE) {
struct timespec timeout = { 0, 10000000 }; // 10 msec
/* we have payloads encapsulated in TS */
- dprintk("%s: alloc tsfeed\n", __FUNCTION__);
+ dprintk("%s: alloc tsfeed\n", __func__);
ret = demux->allocate_ts_feed(demux, &priv->tsfeed, dvb_net_ts_callback);
if (ret < 0) {
printk("%s: could not allocate ts feed\n", dev->name);
goto error;
}
- dprintk("%s: start filtering\n", __FUNCTION__);
+ dprintk("%s: start filtering\n", __func__);
priv->tsfeed->start_filtering(priv->tsfeed);
} else
ret = -EINVAL;
static int dvb_net_feed_stop(struct net_device *dev)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
int i, ret = 0;
- dprintk("%s\n", __FUNCTION__);
+ dprintk("%s\n", __func__);
mutex_lock(&priv->mutex);
if (priv->feedtype == DVB_NET_FEEDTYPE_MPE) {
if (priv->secfeed) {
if (priv->secfeed->is_filtering) {
- dprintk("%s: stop secfeed\n", __FUNCTION__);
+ dprintk("%s: stop secfeed\n", __func__);
priv->secfeed->stop_filtering(priv->secfeed);
}
if (priv->secfilter) {
- dprintk("%s: release secfilter\n", __FUNCTION__);
+ dprintk("%s: release secfilter\n", __func__);
priv->secfeed->release_filter(priv->secfeed,
priv->secfilter);
priv->secfilter=NULL;
for (i=0; i<priv->multi_num; i++) {
if (priv->multi_secfilter[i]) {
dprintk("%s: release multi_filter[%d]\n",
- __FUNCTION__, i);
+ __func__, i);
priv->secfeed->release_filter(priv->secfeed,
priv->multi_secfilter[i]);
priv->multi_secfilter[i] = NULL;
} else if (priv->feedtype == DVB_NET_FEEDTYPE_ULE) {
if (priv->tsfeed) {
if (priv->tsfeed->is_filtering) {
- dprintk("%s: stop tsfeed\n", __FUNCTION__);
+ dprintk("%s: stop tsfeed\n", __func__);
priv->tsfeed->stop_filtering(priv->tsfeed);
}
priv->demux->release_ts_feed(priv->demux, priv->tsfeed);
static int dvb_set_mc_filter (struct net_device *dev, struct dev_mc_list *mc)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
if (priv->multi_num == DVB_NET_MULTICAST_MAX)
return -ENOMEM;
dvb_net_feed_stop(dev);
priv->rx_mode = RX_MODE_UNI;
- netif_tx_lock_bh(dev);
+ netif_addr_lock_bh(dev);
if (dev->flags & IFF_PROMISC) {
dprintk("%s: promiscuous mode\n", dev->name);
}
}
- netif_tx_unlock_bh(dev);
+ netif_addr_unlock_bh(dev);
dvb_net_feed_start(dev);
}
static void dvb_net_set_multicast_list (struct net_device *dev)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
schedule_work(&priv->set_multicast_list_wq);
}
static int dvb_net_set_mac (struct net_device *dev, void *p)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
struct sockaddr *addr=p;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
static int dvb_net_open(struct net_device *dev)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
priv->in_use++;
dvb_net_feed_start(dev);
static int dvb_net_stop(struct net_device *dev)
{
- struct dvb_net_priv *priv = dev->priv;
+ struct dvb_net_priv *priv = netdev_priv(dev);
priv->in_use--;
return dvb_net_feed_stop(dev);
}
-static struct net_device_stats * dvb_net_get_stats(struct net_device *dev)
-{
- return &((struct dvb_net_priv*) dev->priv)->stats;
-}
+static const struct header_ops dvb_header_ops = {
+ .create = eth_header,
+ .parse = eth_header_parse,
+ .rebuild = eth_rebuild_header,
+};
+
+
+static const struct net_device_ops dvb_netdev_ops = {
+ .ndo_open = dvb_net_open,
+ .ndo_stop = dvb_net_stop,
+ .ndo_start_xmit = dvb_net_tx,
+ .ndo_set_multicast_list = dvb_net_set_multicast_list,
+ .ndo_set_mac_address = dvb_net_set_mac,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+};
static void dvb_net_setup(struct net_device *dev)
{
ether_setup(dev);
- dev->open = dvb_net_open;
- dev->stop = dvb_net_stop;
- dev->hard_start_xmit = dvb_net_tx;
- dev->get_stats = dvb_net_get_stats;
- dev->set_multicast_list = dvb_net_set_multicast_list;
- dev->set_mac_address = dvb_net_set_mac;
+ dev->header_ops = &dvb_header_ops;
+ dev->netdev_ops = &dvb_netdev_ops;
dev->mtu = 4096;
dev->mc_count = 0;
- dev->hard_header_cache = NULL;
+
dev->flags |= IFF_NOARP;
}
dvbnet->device[if_num] = net;
- priv = net->priv;
+ priv = netdev_priv(net);
priv->net = net;
priv->demux = dvbnet->demux;
priv->pid = pid;
if (!dvbnet->state[num])
return -EINVAL;
- priv = net->priv;
+ priv = netdev_priv(net);
if (priv->in_use)
return -EBUSY;
netdev = dvbnet->device[dvbnetif->if_num];
- priv_data = netdev->priv;
+ priv_data = netdev_priv(netdev);
dvbnetif->pid=priv_data->pid;
dvbnetif->feedtype=priv_data->feedtype;
break;
netdev = dvbnet->device[dvbnetif->if_num];
- priv_data = netdev->priv;
+ priv_data = netdev_priv(netdev);
dvbnetif->pid=priv_data->pid;
break;
}
return dvb_usercopy(inode, file, cmd, arg, dvb_net_do_ioctl);
}
-static struct file_operations dvb_net_fops = {
+static int dvb_net_close(struct inode *inode, struct file *file)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct dvb_net *dvbnet = dvbdev->priv;
+
+ dvb_generic_release(inode, file);
+
+ if(dvbdev->users == 1 && dvbnet->exit == 1) {
+ fops_put(file->f_op);
+ file->f_op = NULL;
+ wake_up(&dvbdev->wait_queue);
+ }
+ return 0;
+}
+
+
+static const struct file_operations dvb_net_fops = {
.owner = THIS_MODULE,
.ioctl = dvb_net_ioctl,
.open = dvb_generic_open,
- .release = dvb_generic_release,
+ .release = dvb_net_close,
};
static struct dvb_device dvbdev_net = {
{
int i;
+ dvbnet->exit = 1;
+ if (dvbnet->dvbdev->users < 1)
+ wait_event(dvbnet->dvbdev->wait_queue,
+ dvbnet->dvbdev->users==1);
+
dvb_unregister_device(dvbnet->dvbdev);
for (i=0; i<DVB_NET_DEVICES_MAX; i++) {
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