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Make loopback interface less... useless!

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3271 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Philippe Houdoin
2003-05-20 23:25:22 +00:00
parent 266a39bd55
commit cf86e4612e
1 changed files with 38 additions and 14 deletions
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src/tests/kits/net/new_stack/loopback/loopback.c
+38 -14
View File
@@ -7,6 +7,15 @@
#include "net_stack.h"
#include "net_interface.h"
#define LOOPBACK_MTU 16384 // can be as large as we want
typedef struct loopback_interface {
ifnet_t ifnet;
net_data_queue *queue;
} loopback_interface;
status_t std_ops(int32 op, ...);
struct net_interface_module_info nimi;
@@ -16,24 +25,34 @@ struct net_stack_module_info *g_stack = NULL;
status_t init(void * params)
{
ifnet_t * iface;
loopback_interface *li;
iface = (ifnet_t *) malloc(sizeof(*iface));
if (!iface)
return B_ERROR;
iface->if_name = "loopback";
iface->if_flags = 0;
iface->module = &nimi;
g_stack->register_interface(iface);
li = (loopback_interface *) malloc(sizeof(*li));
if (!li)
return B_NO_MEMORY;
return B_OK;
// create loopback fifo queue, to keep packets *sent*
li->queue = g_stack->new_data_queue(64*LOOPBACK_MTU);
iface = &li->ifnet;
iface->if_name = "loopback";
iface->if_flags = (IFF_LOOPBACK | IFF_MULTICAST);
iface->if_type = 0x10; //IFT_LOOP
iface->if_mtu = LOOPBACK_MTU;
// never forget to store a pointer to us, otherwise datalink layer can't call us
iface->module = &nimi;
return g_stack->register_interface(iface);
}
status_t uninit(ifnet_t *iface)
{
loopback_interface *li = (loopback_interface *) iface;
printf("loopback: uniniting %s interface\n", iface->if_name);
return B_OK;
return g_stack->delete_data_queue(li->queue);
}
status_t up(ifnet_t *iface)
@@ -50,17 +69,22 @@ status_t down(ifnet_t *iface)
status_t send(ifnet_t *iface, net_data *data)
{
loopback_interface *li = (loopback_interface *) iface;
if (!data)
return B_ERROR;
return B_OK;
return g_stack->enqueue_data(li->queue, data);
}
status_t receive(ifnet_t *iface, net_data **data)
{
return B_ERROR;
loopback_interface *li = (loopback_interface *) iface;
return g_stack->dequeue_data(li->queue, data, B_INFINITE_TIMEOUT, false);
}
status_t control(ifnet_t *iface, int opcode, void *arg) { return -1; }