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Diffstat (limited to 'drivers/net/net_init.c')
-rw-r--r--drivers/net/net_init.c85
1 files changed, 72 insertions, 13 deletions
diff --git a/drivers/net/net_init.c b/drivers/net/net_init.c
index a78dbf3f1..983271b66 100644
--- a/drivers/net/net_init.c
+++ b/drivers/net/net_init.c
@@ -1,6 +1,6 @@
/* netdrv_init.c: Initialization for network devices. */
/*
- Written 1993,1994 by Donald Becker.
+ Written 1993,1994,1995 by Donald Becker.
The author may be reached as becker@cesdis.gsfc.nasa.gov or
C/O Center of Excellence in Space Data and Information Sciences
@@ -27,6 +27,7 @@
#include <linux/string.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/trdevice.h>
/* The network devices currently exist only in the socket namespace, so these
entries are unused. The only ones that make sense are
@@ -40,8 +41,9 @@
Given that almost all of these functions are handled in the current
socket-based scheme, putting ethercard devices in /dev/ seems pointless.
- [Removed all support for /dev network devices. When someone adds streams then
- by magic we get them, but otherwise they are un-needed and a space waste]
+ [Removed all support for /dev network devices. When someone adds
+ streams then by magic we get them, but otherwise they are un-needed
+ and a space waste]
*/
/* The list of used and available "eth" slots (for "eth0", "eth1", etc.) */
@@ -51,7 +53,7 @@ static struct device *ethdev_index[MAX_ETH_CARDS];
unsigned long lance_init(unsigned long mem_start, unsigned long mem_end);
unsigned long pi_init(unsigned long mem_start, unsigned long mem_end);
unsigned long apricot_init(unsigned long mem_start, unsigned long mem_end);
-
+unsigned long dec21040_init(unsigned long mem_start, unsigned long mem_end);
/*
net_dev_init() is our network device initialization routine.
@@ -62,14 +64,17 @@ unsigned long apricot_init(unsigned long mem_start, unsigned long mem_end);
unsigned long net_dev_init (unsigned long mem_start, unsigned long mem_end)
{
-#if defined(CONFIG_LANCE) /* Note this is _not_ CONFIG_AT1500. */
+ /* Network device initialization for devices that must allocate
+ low-memory or contiguous DMA buffers.
+ */
+#if defined(CONFIG_LANCE)
mem_start = lance_init(mem_start, mem_end);
#endif
#if defined(CONFIG_PI)
mem_start = pi_init(mem_start, mem_end);
#endif
-#if defined(CONFIG_APRICOT)
- mem_start = apricot_init(mem_start, mem_end);
+#if defined(CONFIG_DEC_ELCP)
+ mem_start = dec21040_init(mem_start, mem_end);
#endif
return mem_start;
}
@@ -85,14 +90,35 @@ unsigned long net_dev_init (unsigned long mem_start, unsigned long mem_end)
*/
struct device *
-init_etherdev(struct device *dev, int sizeof_private, unsigned long *mem_startp)
+init_etherdev(struct device *dev, int sizeof_priv, unsigned long *mem_startp)
{
int new_device = 0;
int i;
+ /* Use an existing correctly named device in Space.c:dev_base. */
if (dev == NULL) {
int alloc_size = sizeof(struct device) + sizeof("eth%d ")
- + sizeof_private + 3;
+ + sizeof_priv + 3;
+ struct device *cur_dev;
+ char pname[8]; /* Putative name for the device. */
+
+ for (i = 0; i < MAX_ETH_CARDS; ++i)
+ if (ethdev_index[i] == NULL) {
+ sprintf(pname, "eth%d", i);
+ for (cur_dev = dev_base; cur_dev; cur_dev = cur_dev->next)
+ if (strcmp(pname, cur_dev->name) == 0) {
+ dev = cur_dev;
+ dev->init = NULL;
+ sizeof_priv = (sizeof_priv + 3) & ~3;
+ if (mem_startp && *mem_startp ) {
+ dev->priv = (void*) *mem_startp;
+ *mem_startp += sizeof_priv;
+ } else
+ dev->priv = kmalloc(sizeof_priv, GFP_KERNEL);
+ memset(dev->priv, 0, sizeof_priv);
+ goto found;
+ }
+ }
alloc_size &= ~3; /* Round to dword boundary. */
@@ -102,12 +128,14 @@ init_etherdev(struct device *dev, int sizeof_private, unsigned long *mem_startp)
} else
dev = (struct device *)kmalloc(alloc_size, GFP_KERNEL);
memset(dev, 0, alloc_size);
- if (sizeof_private)
+ if (sizeof_priv)
dev->priv = (void *) (dev + 1);
- dev->name = sizeof_private + (char *)(dev + 1);
+ dev->name = sizeof_priv + (char *)(dev + 1);
new_device = 1;
}
+ found: /* From the double loop above. */
+
if (dev->name &&
((dev->name[0] == '\0') || (dev->name[0] == ' '))) {
for (i = 0; i < MAX_ETH_CARDS; ++i)
@@ -118,7 +146,7 @@ init_etherdev(struct device *dev, int sizeof_private, unsigned long *mem_startp)
}
}
- ether_setup(dev); /* should this be called here? */
+ ether_setup(dev); /* Hmmm, should this be called here? */
if (new_device) {
/* Append the device to the device queue. */
@@ -154,7 +182,6 @@ void ether_setup(struct device *dev)
dev->hard_header = eth_header;
dev->rebuild_header = eth_rebuild_header;
- dev->type_trans = eth_type_trans;
dev->type = ARPHRD_ETHER;
dev->hard_header_len = ETH_HLEN;
@@ -165,6 +192,36 @@ void ether_setup(struct device *dev)
}
/* New-style flags. */
+ dev->flags = IFF_BROADCAST|IFF_MULTICAST;
+ dev->family = AF_INET;
+ dev->pa_addr = 0;
+ dev->pa_brdaddr = 0;
+ dev->pa_mask = 0;
+ dev->pa_alen = sizeof(unsigned long);
+}
+
+#ifdef CONFIG_TR
+
+void tr_setup(struct device *dev)
+{
+ int i;
+ /* Fill in the fields of the device structure with ethernet-generic values.
+ This should be in a common file instead of per-driver. */
+ for (i = 0; i < DEV_NUMBUFFS; i++)
+ skb_queue_head_init(&dev->buffs[i]);
+
+ dev->hard_header = tr_header;
+ dev->rebuild_header = tr_rebuild_header;
+
+ dev->type = ARPHRD_IEEE802;
+ dev->hard_header_len = TR_HLEN;
+ dev->mtu = 2000; /* bug in fragmenter...*/
+ dev->addr_len = TR_ALEN;
+ for (i = 0; i < TR_ALEN; i++) {
+ dev->broadcast[i]=0xff;
+ }
+
+ /* New-style flags. */
dev->flags = IFF_BROADCAST;
dev->family = AF_INET;
dev->pa_addr = 0;
@@ -173,6 +230,8 @@ void ether_setup(struct device *dev)
dev->pa_alen = sizeof(unsigned long);
}
+#endif
+
int ether_config(struct device *dev, struct ifmap *map)
{
if (map->mem_start != (u_long)(-1))
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 07:23:31 +0000