static struct pipe *pipe_alloc(void) {
struct pipe *pipe;
struct ring_buff *pipe_buff;
void *storage;
storage = sysmalloc(DEFAULT_PIPE_BUFFER_SIZE);
if (!storage) {
return NULL;
}
pipe = sysmalloc(sizeof(struct pipe));
if (!pipe) {
sysfree(storage);
return NULL;
}
pipe_buff = sysmalloc(sizeof(struct ring_buff));
if (!pipe_buff) {
sysfree(storage);
sysfree(pipe);
return NULL;
}
pipe->buff = pipe_buff;
pipe->buf_size = DEFAULT_PIPE_BUFFER_SIZE - 1;
ring_buff_init(pipe_buff, 1, DEFAULT_PIPE_BUFFER_SIZE, storage);
mutex_init(&pipe->mutex);
return pipe;
}
static int rx_thread_init(void) {
for (size_t i = 0; i < PNET_PRIORITY_COUNT; i++) {
event_init(&pack_storage[i].event, "pack_arrived");
ring_buff_init(&pack_storage[i].buff, sizeof(net_packet_t), RX_THRD_BUF_SIZE,
(void *) pack_bufs[i]);
pnet_rx_threads[i] = thread_create(0, pnet_rx_thread_hnd, &pack_storage[i]);
if(err(pnet_rx_threads[i])) {
return -1;
}
schedee_priority_set(&pnet_rx_threads[i]->schedee, SCHED_PRIORITY_NORMAL + 1 + i);
}
return 0;
}
