clib_error_t *
ssvm_config (vlib_main_t * vm, unformat_input_t * input)
{
u8 * name;
int is_master = 1;
int i, rv;
ssvm_eth_main_t * em = &ssvm_eth_main;
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "base-va %llx", &em->next_base_va))
;
else if (unformat (input, "segment-size %lld", &em->segment_size))
em->segment_size = 1ULL << (max_log2 (em->segment_size));
else if (unformat (input, "nbuffers %lld", &em->nbuffers))
;
else if (unformat (input, "queue-elts %lld", &em->queue_elts))
;
else if (unformat (input, "slave"))
is_master = 0;
else if (unformat (input, "%s", &name)) {
vec_add1 (em->names, name);
printf("AYXX: adding %s\n", name);
}
else
break;
}
/* No configured instances, we're done... */
if (vec_len (em->names) == 0)
return 0;
for (i = 0; i < vec_len (em->names); i++)
{
rv = ssvm_eth_create (em, em->names[i], is_master);
if (rv < 0)
return clib_error_return (0, "ssvm_eth_create '%s' failed, error %d",
em->names[i], rv);
}
return 0;
}
/* Convert size to bin. */
always_inline uword size_to_bin (uword size)
{
uword bin;
ASSERT (size > 0);
if (size <= HEAP_SMALL_BINS)
{
bin = size - 1;
if (size == 0)
bin = 0;
}
else
{
bin = HEAP_SMALL_BINS + max_log2 (size) - (HEAP_LOG2_SMALL_BINS + 1);
if (bin >= HEAP_N_BINS)
bin = HEAP_N_BINS - 1;
}
return bin;
}
static int
ct_init_local_session (app_worker_t * client_wrk, app_worker_t * server_wrk,
ct_connection_t * ct, session_t * ls, session_t * ll)
{
u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index, seg_size;
segment_manager_props_t *props;
application_t *server;
segment_manager_t *sm;
u32 margin = 16 << 10;
fifo_segment_t *seg;
u64 segment_handle;
int seg_index, rv;
server = application_get (server_wrk->app_index);
props = application_segment_manager_properties (server);
round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
seg_size = round_rx_fifo_sz + round_tx_fifo_sz + margin;
sm = app_worker_get_listen_segment_manager (server_wrk, ll);
seg_index = segment_manager_add_segment (sm, seg_size);
if (seg_index < 0)
{
clib_warning ("failed to add new cut-through segment");
return seg_index;
}
seg = segment_manager_get_segment_w_lock (sm, seg_index);
rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
props->tx_fifo_size, &ls->rx_fifo,
&ls->tx_fifo);
if (rv)
{
clib_warning ("failed to add fifos in cut-through segment");
segment_manager_segment_reader_unlock (sm);
goto failed;
}
sm_index = segment_manager_index (sm);
ls->rx_fifo->master_session_index = ls->session_index;
ls->tx_fifo->master_session_index = ls->session_index;
ls->rx_fifo->segment_manager = sm_index;
ls->tx_fifo->segment_manager = sm_index;
ls->rx_fifo->segment_index = seg_index;
ls->tx_fifo->segment_index = seg_index;
segment_handle = segment_manager_segment_handle (sm, seg);
if ((rv = app_worker_add_segment_notify (server_wrk, segment_handle)))
{
clib_warning ("failed to notify server of new segment");
segment_manager_segment_reader_unlock (sm);
goto failed;
}
segment_manager_segment_reader_unlock (sm);
ct->segment_handle = segment_handle;
return 0;
failed:
segment_manager_del_segment (sm, seg);
return rv;
}