struct raw_pcb * raw_pcb_new(int __protocol)
{
struct raw_pcb * raw;
tcpip_net_lock();
if ((raw = (struct raw_pcb *)pcb_remove_head(&__raw__.free)) == NULL) {
DCC_LOG(LOG_WARNING, "could not allocate a PCB");
return NULL;
}
pcb_insert((struct pcb *)raw, &__raw__.active);
/* ensure the mem is clean */
memset(raw, 0, sizeof(struct raw_pcb));
raw->r_cond = thinkos_cond_alloc();
raw->r_protocol = __protocol;
DCC_LOG2(LOG_TRACE, "<%x> protocol=%d", raw, __protocol);
tcpip_net_unlock();
return raw;
}
void udp_init(void)
{
int i;
DCC_LOG(LOG_TRACE, "initializing UDP subsystem.");
pcb_list_init(&__udp__.free);
for (i = 0; i < NET_TCP_PCB_ACTIVE_MAX; ++i) {
struct udp_pcb * up = &__udp__.pcb_pool[i].pcb;
pcb_insert((struct pcb *)up, &__udp__.free);
}
pcb_list_init(&__udp__.active);
}
void raw_init(void)
{
int i;
DCC_LOG(LOG_TRACE, "initializing RAW subsystem.");
pcb_list_init(&__raw__.free);
for (i = 0; i < NET_RAW_PCB_MAX; ++i) {
struct raw_pcb * p = &__raw__.pcb_pool[i].pcb;
pcb_insert((struct pcb *)p, &__raw__.free);
}
pcb_list_init(&__raw__.active);
}
struct udp_pcb * udp_alloc(void)
{
struct udp_pcb * up;
tcpip_net_lock();
if ((up = (struct udp_pcb *)pcb_remove_head(&__udp__.free)) == NULL) {
DCC_LOG(LOG_WARNING, "could not allocate a PCB");
return NULL;
}
pcb_insert((struct pcb *)up, &__udp__.active);
/* ensure the mem is clean */
memset(up, 0, sizeof(struct udp_pcb));
up->u_rcv_cond = __os_cond_alloc();
tcpip_net_unlock();
return up;
}