typedef struct
{
- /* Per-thread RX buffer */
- u8 **rx_buf;
+ /*
+ * Server app parameters
+ */
unix_shared_memory_queue_t **vpp_queue;
- u64 byte_index;
+ unix_shared_memory_queue_t *vl_input_queue; /**< Sever's event queue */
- /* Sever's event queue */
- unix_shared_memory_queue_t *vl_input_queue;
+ u32 app_index; /**< Server app index */
+ u32 my_client_index; /**< API client handle */
+ u32 node_index; /**< process node index for evnt scheduling */
- /* API client handle */
- u32 my_client_index;
+ /*
+ * Config params
+ */
+ u8 no_echo; /**< Don't echo traffic */
+ u32 fifo_size; /**< Fifo size */
+ u32 rcv_buffer_size; /**< Rcv buffer size */
+ u32 prealloc_fifos; /**< Preallocate fifos */
- u32 app_index;
+ /*
+ * Test state
+ */
+ u8 **rx_buf; /**< Per-thread RX buffer */
+ u64 byte_index;
- /* process node index for evnt scheduling */
- u32 node_index;
vlib_main_t *vlib_main;
} builtin_server_main_t;
bsm->byte_index += actual_transfer;
}
+/*
+ * If no-echo, just read the data and be done with it
+ */
+int
+builtin_server_rx_callback_no_echo (stream_session_t * s)
+{
+ builtin_server_main_t *bsm = &builtin_server_main;
+ u32 my_thread_id = vlib_get_thread_index ();
+ int actual_transfer;
+ svm_fifo_t *rx_fifo;
+
+ rx_fifo = s->server_rx_fifo;
+
+ do
+ {
+ actual_transfer =
+ svm_fifo_dequeue_nowait (rx_fifo, bsm->rcv_buffer_size,
+ bsm->rx_buf[my_thread_id]);
+ }
+ while (actual_transfer > 0);
+ return 0;
+}
+
int
builtin_server_rx_callback (stream_session_t * s)
{
static int serial_number = 0;
u32 my_thread_id = vlib_get_thread_index ();
- tx_fifo = s->server_tx_fifo;
rx_fifo = s->server_rx_fifo;
+ tx_fifo = s->server_tx_fifo;
max_dequeue = svm_fifo_max_dequeue (s->server_rx_fifo);
max_enqueue = svm_fifo_max_enqueue (s->server_tx_fifo);
/* Program self-tap to retry */
if (svm_fifo_set_event (rx_fifo))
{
+ unix_shared_memory_queue_t *q;
evt.fifo = rx_fifo;
evt.event_type = FIFO_EVENT_BUILTIN_RX;
evt.event_id = 0;
- unix_shared_memory_queue_add (bsm->vpp_queue[s->thread_index],
- (u8 *) & evt,
- 0 /* do wait for mutex */ );
+
+ q = bsm->vpp_queue[s->thread_index];
+ if (PREDICT_FALSE (q->cursize == q->maxsize))
+ clib_warning ("out of event queue space");
+ else
+ unix_shared_memory_queue_add (q, (u8 *) & evt,
+ 0 /* don't wait for mutex */ );
}
return 0;
}
- vec_validate (bsm->rx_buf, my_thread_id);
- vec_validate (bsm->rx_buf[my_thread_id], max_transfer - 1);
_vec_len (bsm->rx_buf[my_thread_id]) = max_transfer;
actual_transfer = svm_fifo_dequeue_nowait (rx_fifo, max_transfer,
memset (a, 0, sizeof (*a));
memset (options, 0, sizeof (options));
+ if (bsm->no_echo)
+ builtin_session_cb_vft.builtin_server_rx_callback =
+ builtin_server_rx_callback_no_echo;
+ else
+ builtin_session_cb_vft.builtin_server_rx_callback =
+ builtin_server_rx_callback;
a->api_client_index = bsm->my_client_index;
a->session_cb_vft = &builtin_session_cb_vft;
a->options = options;
a->options[SESSION_OPTIONS_SEGMENT_SIZE] = 512 << 20;
- a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = 64 << 10;
- a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = 64 << 10;
+ a->options[SESSION_OPTIONS_RX_FIFO_SIZE] = bsm->fifo_size;
+ a->options[SESSION_OPTIONS_TX_FIFO_SIZE] = bsm->fifo_size;
a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_BUILTIN_APP;
- a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = 8192;
+ a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
+ bsm->prealloc_fifos ? bsm->prealloc_fifos : 1;
a->segment_name = segment_name;
a->segment_name_length = ARRAY_LEN (segment_name);
server_create (vlib_main_t * vm)
{
builtin_server_main_t *bsm = &builtin_server_main;
- u32 num_threads;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ u32 num_threads;
+ int i;
if (bsm->my_client_index == (u32) ~ 0)
{
if (create_api_loopback (vm))
- return -1;
+ {
+ clib_warning ("failed to create api loopback");
+ return -1;
+ }
}
num_threads = 1 /* main thread */ + vtm->n_threads;
vec_validate (builtin_server_main.vpp_queue, num_threads - 1);
+ vec_validate (bsm->rx_buf, num_threads - 1);
+ for (i = 0; i < num_threads; i++)
+ vec_validate (bsm->rx_buf[i], bsm->rcv_buffer_size);
if (server_attach ())
{
}
static clib_error_t *
-server_create_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
+server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
+ builtin_server_main_t *bsm = &builtin_server_main;
int rv;
-#if 0
+
+ bsm->no_echo = 0;
+ bsm->fifo_size = 64 << 10;
+ bsm->rcv_buffer_size = 128 << 10;
+ bsm->prealloc_fifos = 0;
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "whatever %d", &whatever))
+ if (unformat (input, "no-echo"))
+ bsm->no_echo = 1;
+ else if (unformat (input, "fifo-size %d", &bsm->fifo_size))
+ bsm->fifo_size <<= 10;
+ else if (unformat (input, "rcv-buf-size %d", &bsm->rcv_buffer_size))
+ ;
+ else if (unformat (input, "prealloc-fifos", &bsm->prealloc_fifos))
;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
-#endif
tcp_builtin_server_api_hookup (vm);
vnet_session_enable_disable (vm, 1 /* turn on TCP, etc. */ );
+
rv = server_create (vm);
switch (rv)
{
default:
return clib_error_return (0, "server_create returned %d", rv);
}
+
return 0;
}
Code Review / vpp.git / blobdiff