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Diffstat (limited to 'pfinet/linux-src/net/core/dev.c')
-rw-r--r--pfinet/linux-src/net/core/dev.c200
1 files changed, 104 insertions, 96 deletions
diff --git a/pfinet/linux-src/net/core/dev.c b/pfinet/linux-src/net/core/dev.c
index cc9584a1..1dba3926 100644
--- a/pfinet/linux-src/net/core/dev.c
+++ b/pfinet/linux-src/net/core/dev.c
@@ -115,7 +115,7 @@ const char *if_port_text[] = {
* and the routines to invoke.
*
* Why 16. Because with 16 the only overlap we get on a hash of the
- * low nibble of the protocol value is RARP/SNAP/X.25.
+ * low nibble of the protocol value is RARP/SNAP/X.25.
*
* 0800 IP
* 0001 802.3
@@ -137,13 +137,13 @@ struct packet_type *ptype_all = NULL; /* Taps */
* Device list lock. Setting it provides that interface
* will not disappear unexpectedly while kernel sleeps.
*/
-
+
atomic_t dev_lockct = ATOMIC_INIT(0);
/*
* Our notifier list
*/
-
+
static struct notifier_block *netdev_chain=NULL;
/*
@@ -189,7 +189,7 @@ int netdev_nit=0;
* change it and subsequent readers will get broken packet.
* --ANK (980803)
*/
-
+
void dev_add_pack(struct packet_type *pt)
{
int hash;
@@ -207,7 +207,7 @@ void dev_add_pack(struct packet_type *pt)
ptype_all=pt;
}
else
- {
+ {
hash=ntohs(pt->type)&15;
pt->next = ptype_base[hash];
ptype_base[hash] = pt;
@@ -218,7 +218,7 @@ void dev_add_pack(struct packet_type *pt)
/*
* Remove a protocol ID from the list.
*/
-
+
void dev_remove_pack(struct packet_type *pt)
{
struct packet_type **pt1;
@@ -251,15 +251,15 @@ void dev_remove_pack(struct packet_type *pt)
******************************************************************************************/
-/*
+/*
* Find an interface by name.
*/
-
+
struct device *dev_get(const char *name)
{
struct device *dev;
- for (dev = dev_base; dev != NULL; dev = dev->next)
+ for (dev = dev_base; dev != NULL; dev = dev->next)
{
if (strcmp(dev->name, name) == 0)
return(dev);
@@ -271,7 +271,7 @@ struct device * dev_get_by_index(int ifindex)
{
struct device *dev;
- for (dev = dev_base; dev != NULL; dev = dev->next)
+ for (dev = dev_base; dev != NULL; dev = dev->next)
{
if (dev->ifindex == ifindex)
return(dev);
@@ -283,7 +283,7 @@ struct device *dev_getbyhwaddr(unsigned short type, char *ha)
{
struct device *dev;
- for (dev = dev_base; dev != NULL; dev = dev->next)
+ for (dev = dev_base; dev != NULL; dev = dev->next)
{
if (dev->type == type &&
memcmp(dev->dev_addr, ha, dev->addr_len) == 0)
@@ -311,7 +311,7 @@ int dev_alloc_name(struct device *dev, const char *name)
}
return -ENFILE; /* Over 100 of the things .. bail out! */
}
-
+
struct device *dev_alloc(const char *name, int *err)
{
struct device *dev=kmalloc(sizeof(struct device)+16, GFP_KERNEL);
@@ -340,7 +340,7 @@ void netdev_state_change(struct device *dev)
/*
* Find and possibly load an interface.
*/
-
+
#ifdef CONFIG_KMOD
void dev_load(const char *name)
@@ -363,9 +363,9 @@ static int default_rebuild_header(struct sk_buff *skb)
}
/*
- * Prepare an interface for use.
+ * Prepare an interface for use.
*/
-
+
int dev_open(struct device *dev)
{
int ret = 0;
@@ -380,15 +380,15 @@ int dev_open(struct device *dev)
/*
* Call device private open method
*/
-
- if (dev->open)
+
+ if (dev->open)
ret = dev->open(dev);
/*
* If it went open OK then:
*/
-
- if (ret == 0)
+
+ if (ret == 0)
{
/*
* nil rebuild_header routine,
@@ -404,7 +404,7 @@ int dev_open(struct device *dev)
dev->flags |= (IFF_UP | IFF_RUNNING);
/*
- * Initialize multicasting status
+ * Initialize multicasting status
*/
dev_mc_upload(dev);
@@ -448,7 +448,7 @@ void dev_clear_fastroute(struct device *dev)
/*
* Completely shutdown an interface.
*/
-
+
int dev_close(struct device *dev)
{
if (!(dev->flags&IFF_UP))
@@ -462,7 +462,7 @@ int dev_close(struct device *dev)
* Call the device specific close. This cannot fail.
* Only if device is UP
*/
-
+
if (dev->stop)
dev->stop(dev);
@@ -513,7 +513,7 @@ void dev_queue_xmit_nit(struct sk_buff *skb, struct device *dev)
struct packet_type *ptype;
get_fast_time(&skb->stamp);
- for (ptype = ptype_all; ptype!=NULL; ptype = ptype->next)
+ for (ptype = ptype_all; ptype!=NULL; ptype = ptype->next)
{
/* Never send packets back to the socket
* they originated from - MvS (miquels@drinkel.ow.org)
@@ -558,7 +558,7 @@ void dev_queue_xmit_nit(struct sk_buff *skb, struct device *dev)
/*
* Fast path for loopback frames.
*/
-
+
void dev_loopback_xmit(struct sk_buff *skb)
{
struct sk_buff *newskb=skb_clone(skb, GFP_ATOMIC);
@@ -608,7 +608,7 @@ int dev_queue_xmit(struct sk_buff *skb)
made by us here.
*/
if (dev->flags&IFF_UP) {
- if (netdev_nit)
+ if (netdev_nit)
dev_queue_xmit_nit(skb,dev);
if (dev->hard_start_xmit(skb, dev) == 0) {
end_bh_atomic();
@@ -723,7 +723,7 @@ static void dev_clear_backlog(struct device *dev)
*
* It looks better to use net_bh trick, at least
* to be sure, that we keep interrupt latency really low. --ANK (980727)
- */
+ */
if (backlog.qlen) {
start_bh_atomic();
@@ -751,7 +751,7 @@ static void dev_clear_backlog(struct device *dev)
/*
* Receive a packet from a device driver and queue it for the upper
- * (protocol) levels. It always succeeds.
+ * (protocol) levels. It always succeeds.
*/
void netif_rx(struct sk_buff *skb)
@@ -802,13 +802,13 @@ static inline void handle_bridge(struct sk_buff *skb, unsigned short type)
* We pass the bridge a complete frame. This means
* recovering the MAC header first.
*/
-
+
int offset;
skb=skb_clone(skb, GFP_ATOMIC);
- if(skb==NULL)
+ if(skb==NULL)
return;
-
+
offset=skb->data-skb->mac.raw;
skb_push(skb,offset); /* Put header back on for bridge */
@@ -828,7 +828,7 @@ static inline void handle_bridge(struct sk_buff *skb, unsigned short type)
* This is run as a bottom half after an interrupt handler that does
* mark_bh(NET_BH);
*/
-
+
void net_bh(void)
{
struct packet_type *ptype;
@@ -854,7 +854,7 @@ void net_bh(void)
if (qdisc_head.forw != &qdisc_head)
qdisc_run_queues();
-
+
/*
* Any data left to process. This may occur because a
* mark_bh() is done after we empty the queue including
@@ -869,7 +869,7 @@ void net_bh(void)
* disabling interrupts.
*/
- while (!skb_queue_empty(&backlog))
+ while (!skb_queue_empty(&backlog))
{
struct sk_buff * skb;
@@ -904,7 +904,7 @@ void net_bh(void)
/*
* Bump the pointer to the next structure.
- *
+ *
* On entry to the protocol layer. skb->data and
* skb->nh.raw point to the MAC and encapsulated data
*/
@@ -919,7 +919,7 @@ void net_bh(void)
}
/*
- * Fetch the packet protocol ID.
+ * Fetch the packet protocol ID.
*/
type = skb->protocol;
@@ -930,7 +930,7 @@ void net_bh(void)
* bridging code (if this protocol is to be bridged).
* If it is bridged then move on
*/
- handle_bridge(skb, type);
+ handle_bridge(skb, type);
#endif
/*
@@ -953,7 +953,7 @@ void net_bh(void)
}
}
- for (ptype = ptype_base[ntohs(type)&15]; ptype != NULL; ptype = ptype->next)
+ for (ptype = ptype_base[ntohs(type)&15]; ptype != NULL; ptype = ptype->next)
{
if (ptype->type == type && (!ptype->dev || ptype->dev==skb->dev))
{
@@ -989,16 +989,16 @@ void net_bh(void)
/*
* Has an unknown packet has been received ?
*/
-
+
else {
kfree_skb(skb);
}
} /* End of queue loop */
-
+
/*
* We have emptied the queue
*/
-
+
/*
* One last output flush.
*/
@@ -1067,9 +1067,9 @@ static int dev_ifname(struct ifreq *arg)
int err;
/*
- * Fetch the caller's info block.
+ * Fetch the caller's info block.
*/
-
+
err = copy_from_user(&ifr, arg, sizeof(struct ifreq));
if (err)
return -EFAULT;
@@ -1100,9 +1100,9 @@ static int dev_ifconf(char *arg)
int i;
/*
- * Fetch the caller's info block.
+ * Fetch the caller's info block.
*/
-
+
if (copy_from_user(&ifc, arg, sizeof(struct ifconf)))
return -EFAULT;
@@ -1110,7 +1110,7 @@ static int dev_ifconf(char *arg)
len = ifc.ifc_len;
/*
- * Loop over the interfaces, and write an info block for each.
+ * Loop over the interfaces, and write an info block for each.
*/
total = 0;
@@ -1131,14 +1131,14 @@ static int dev_ifconf(char *arg)
}
/*
- * All done. Write the updated control block back to the caller.
+ * All done. Write the updated control block back to the caller.
*/
ifc.ifc_len = total;
if (copy_to_user(arg, &ifc, sizeof(struct ifconf)))
- return -EFAULT;
+ return -EFAULT;
- /*
+ /*
* Both BSD and Solaris return 0 here, so we do too.
*/
return 0;
@@ -1154,7 +1154,7 @@ static int sprintf_stats(char *buffer, struct device *dev)
{
struct net_device_stats *stats = (dev->get_stats ? dev->get_stats(dev): NULL);
int size;
-
+
if (stats)
size = sprintf(buffer, "%6s:%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu %8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
dev->name,
@@ -1181,31 +1181,31 @@ static int sprintf_stats(char *buffer, struct device *dev)
* Called from the PROCfs module. This now uses the new arbitrary sized /proc/net interface
* to create /proc/net/dev
*/
-
+
int dev_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
{
int len=0;
off_t begin=0;
off_t pos=0;
int size;
-
+
struct device *dev;
- size = sprintf(buffer,
+ size = sprintf(buffer,
"Inter-| Receive | Transmit\n"
" face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed\n");
-
+
pos+=size;
len+=size;
-
- for (dev = dev_base; dev != NULL; dev = dev->next)
+
+ for (dev = dev_base; dev != NULL; dev = dev->next)
{
size = sprintf_stats(buffer+len, dev);
len+=size;
pos=begin+len;
-
+
if(pos<offset)
{
len=0;
@@ -1214,7 +1214,7 @@ int dev_get_info(char *buffer, char **start, off_t offset, int length, int dummy
if(pos>offset+length)
break;
}
-
+
*start=buffer+(offset-begin); /* Start of wanted data */
len-=(offset-begin); /* Start slop */
if(len>length)
@@ -1305,17 +1305,17 @@ int dev_get_wireless_info(char * buffer, char **start, off_t offset,
off_t begin = 0;
off_t pos = 0;
int size;
-
+
struct device * dev;
size = sprintf(buffer,
"Inter-|sta| Quality | Discarded packets\n"
" face |tus|link level noise| nwid crypt misc\n");
-
+
pos+=size;
len+=size;
- for(dev = dev_base; dev != NULL; dev = dev->next)
+ for(dev = dev_base; dev != NULL; dev = dev->next)
{
size = sprintf_wireless_stats(buffer+len, dev);
len+=size;
@@ -1388,7 +1388,7 @@ int dev_change_flags(struct device *dev, unsigned flags)
/*
* Load in the correct multicast list now the flags have changed.
- */
+ */
dev_mc_upload(dev);
@@ -1403,7 +1403,7 @@ int dev_change_flags(struct device *dev, unsigned flags)
{
ret = ((old_flags & IFF_UP) ? dev_close : dev_open)(dev);
- if (ret == 0)
+ if (ret == 0)
dev_mc_upload(dev);
}
@@ -1430,10 +1430,16 @@ int dev_change_flags(struct device *dev, unsigned flags)
return ret;
}
+#ifdef _HURD_
+
+#define dev_ioctl 0
+
+#else
+
/*
- * Perform the SIOCxIFxxx calls.
+ * Perform the SIOCxIFxxx calls.
*/
-
+
static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
{
struct device *dev;
@@ -1442,7 +1448,7 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
if ((dev = dev_get(ifr->ifr_name)) == NULL)
return -ENODEV;
- switch(cmd)
+ switch(cmd)
{
case SIOCGIFFLAGS: /* Get interface flags */
ifr->ifr_flags = (dev->flags&~(IFF_PROMISC|IFF_ALLMULTI))
@@ -1451,18 +1457,18 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
case SIOCSIFFLAGS: /* Set interface flags */
return dev_change_flags(dev, ifr->ifr_flags);
-
+
case SIOCGIFMETRIC: /* Get the metric on the interface (currently unused) */
ifr->ifr_metric = 0;
return 0;
-
+
case SIOCSIFMETRIC: /* Set the metric on the interface (currently unused) */
return -EOPNOTSUPP;
-
+
case SIOCGIFMTU: /* Get the MTU of a device */
ifr->ifr_mtu = dev->mtu;
return 0;
-
+
case SIOCSIFMTU: /* Set the MTU of a device */
if (ifr->ifr_mtu == dev->mtu)
return 0;
@@ -1470,7 +1476,7 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
/*
* MTU must be positive.
*/
-
+
if (ifr->ifr_mtu<=0)
return -EINVAL;
@@ -1488,7 +1494,7 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
memcpy(ifr->ifr_hwaddr.sa_data,dev->dev_addr, MAX_ADDR_LEN);
ifr->ifr_hwaddr.sa_family=dev->type;
return 0;
-
+
case SIOCSIFHWADDR:
if(dev->set_mac_address==NULL)
return -EOPNOTSUPP;
@@ -1498,7 +1504,7 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
if (!err)
notifier_call_chain(&netdev_chain, NETDEV_CHANGEADDR, dev);
return err;
-
+
case SIOCSIFHWBROADCAST:
if(ifr->ifr_hwaddr.sa_family!=dev->type)
return -EINVAL;
@@ -1514,12 +1520,12 @@ static int dev_ifsioc(struct ifreq *ifr, unsigned int cmd)
ifr->ifr_map.dma=dev->dma;
ifr->ifr_map.port=dev->if_port;
return 0;
-
+
case SIOCSIFMAP:
if (dev->set_config)
return dev->set_config(dev,&ifr->ifr_map);
return -EOPNOTSUPP;
-
+
case SIOCADDMULTI:
if(dev->set_multicast_list==NULL ||
ifr->ifr_hwaddr.sa_family!=AF_UNSPEC)
@@ -1598,7 +1604,7 @@ int dev_ioctl(unsigned int cmd, void *arg)
and requires shared lock, because it sleeps writing
to user space.
*/
-
+
if (cmd == SIOCGIFCONF) {
rtnl_shlock();
ret = dev_ifconf((char *) arg);
@@ -1619,10 +1625,10 @@ int dev_ioctl(unsigned int cmd, void *arg)
*colon = 0;
/*
- * See which interface the caller is talking about.
+ * See which interface the caller is talking about.
*/
-
- switch(cmd)
+
+ switch(cmd)
{
/*
* These ioctl calls:
@@ -1630,7 +1636,7 @@ int dev_ioctl(unsigned int cmd, void *arg)
* - atomic and do not require locking.
* - return a value
*/
-
+
case SIOCGIFFLAGS:
case SIOCGIFMETRIC:
case SIOCGIFMTU:
@@ -1655,7 +1661,7 @@ int dev_ioctl(unsigned int cmd, void *arg)
* - require strict serialization.
* - do not return a value
*/
-
+
case SIOCSIFFLAGS:
case SIOCSIFMETRIC:
case SIOCSIFMTU:
@@ -1674,7 +1680,7 @@ int dev_ioctl(unsigned int cmd, void *arg)
ret = dev_ifsioc(&ifr, cmd);
rtnl_unlock();
return ret;
-
+
case SIOCGIFMEM:
/* Get the per device memory space. We can add this but currently
do not support it */
@@ -1685,8 +1691,8 @@ int dev_ioctl(unsigned int cmd, void *arg)
/*
* Unknown or private ioctl.
- */
-
+ */
+
default:
if (cmd >= SIOCDEVPRIVATE &&
cmd <= SIOCDEVPRIVATE + 15) {
@@ -1719,6 +1725,8 @@ int dev_ioctl(unsigned int cmd, void *arg)
}
}
+#endif
+
int dev_new_index(void)
{
static int ifindex;
@@ -1740,7 +1748,7 @@ int register_netdevice(struct device *dev)
if (dev_boot_phase) {
/* This is NOT bug, but I am not sure, that all the
devices, initialized before netdev module is started
- are sane.
+ are sane.
Now they are chained to device boot list
and probed later. If a module is initialized
@@ -1838,7 +1846,7 @@ int unregister_netdevice(struct device *dev)
/*
* Initialize the DEV module. At boot time this walks the device list and
- * unhooks any devices that fail to initialise (normally hardware not
+ * unhooks any devices that fail to initialise (normally hardware not
* present) and leaves us with a valid list of present and active devices.
*
*/
@@ -1892,17 +1900,17 @@ __initfunc(int net_dev_init(void))
/*
* Initialise the packet receive queue.
*/
-
+
skb_queue_head_init(&backlog);
-
+
/*
* The bridge has to be up before the devices
*/
-#ifdef CONFIG_BRIDGE
+#ifdef CONFIG_BRIDGE
br_init();
-#endif
-
+#endif
+
/*
* This is Very Ugly(tm).
*
@@ -1914,7 +1922,7 @@ __initfunc(int net_dev_init(void))
#endif
#if defined(CONFIG_DMASCC)
dmascc_init();
-#endif
+#endif
#if defined(CONFIG_BPQETHER)
bpq_init();
#endif
@@ -1952,13 +1960,13 @@ __initfunc(int net_dev_init(void))
* SLHC if present needs attaching so other people see it
* even if not opened.
*/
-
-#ifdef CONFIG_INET
+
+#ifdef CONFIG_INET
#if (defined(CONFIG_SLIP) && defined(CONFIG_SLIP_COMPRESSED)) \
|| defined(CONFIG_PPP) \
|| (defined(CONFIG_ISDN) && defined(CONFIG_ISDN_PPP))
slhc_install();
-#endif
+#endif
#endif
#ifdef CONFIG_NET_PROFILE
@@ -1980,14 +1988,14 @@ __initfunc(int net_dev_init(void))
while ((dev = *dp) != NULL)
{
dev->iflink = -1;
- if (dev->init && dev->init(dev))
+ if (dev->init && dev->init(dev))
{
/*
* It failed to come up. Unhook it.
*/
*dp = dev->next;
synchronize_bh();
- }
+ }
else
{
dp = &dev->next;
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-10 20:31:10 +0000