Mark
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
#include "user/netctl.h"
|
|
#include "sys/assert.h"
|
|
#include "user/errno.h"
|
|
#include "sys/string.h"
|
|
#include "sys/debug.h"
|
|
#include "sys/heap.h"
|
|
#include "net/util.h"
|
|
#include "net/if.h"
|
|
|
|
static struct netdev *g_netdev;
|
|
static int g_last_eth = 0;
|
|
|
|
struct netdev *netdev_create(int type) {
|
|
struct netdev *net = kmalloc(sizeof(struct netdev));
|
|
_assert(net);
|
|
|
|
net->flags = 0;
|
|
net->type = type;
|
|
net->arp_ent_head = NULL;
|
|
|
|
switch (type) {
|
|
case IF_T_ETH:
|
|
strcpy(net->name, "ethN");
|
|
net->name[3] = '0' + g_last_eth++;
|
|
break;
|
|
default:
|
|
panic("Unhandled network device type: %u\n", type);
|
|
}
|
|
|
|
net->next = g_netdev;
|
|
g_netdev = net;
|
|
|
|
kinfo("New netdev: %s\n", net->name);
|
|
|
|
return net;
|
|
}
|
|
|
|
struct netdev *netdev_by_name(const char *name) {
|
|
for (struct netdev *dev = g_netdev; dev; dev = dev->next) {
|
|
if (!strcmp(dev->name, name)) {
|
|
return dev;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
// Find an interface through which this inaddr should be
|
|
// accessible (TODO: route tables)
|
|
//struct netdev *netdev_find_inaddr(uint32_t inaddr) {
|
|
// for (struct netdev *dev = g_netdev; dev; dev = dev->next) {
|
|
// if (!(dev->flags & IF_F_HASIP)) {
|
|
// continue;
|
|
// }
|
|
// if ((inaddr & ~0xFFFF) == (dev->inaddr & ~0xFFFF)) {
|
|
// return dev;
|
|
// }
|
|
// }
|
|
//
|
|
// return NULL;
|
|
//}
|
|
|
|
int netctl(struct netdev *dev, uint32_t op, void *data) {
|
|
_assert(dev);
|
|
|
|
switch (op) {
|
|
case NETCTL_GET_INADDR:
|
|
//if (!(dev->flags & IF_F_HASIP)) {
|
|
// // No address set
|
|
// return -ENOENT;
|
|
//}
|
|
//_assert(data);
|
|
//*(uint32_t *) data = dev->inaddr;
|
|
return -EINVAL;
|
|
case NETCTL_SET_INADDR:
|
|
// Have to flush old addr first
|
|
//if (dev->flags & IF_F_HASIP) {
|
|
// return -EEXIST;
|
|
//}
|
|
//_assert(data);
|
|
//dev->inaddr = *(uint32_t *) data;
|
|
//dev->flags |= IF_F_HASIP;
|
|
//kinfo("%s: set address: " FMT_INADDR "\n", dev->name, VA_INADDR(dev->inaddr));
|
|
return -EINVAL;
|
|
default:
|
|
kwarn("%s: invalid operation requested: 0x%x\n", dev->name, op);
|
|
return -EINVAL;
|
|
}
|
|
}
|