}
static nsim_wheel_t *
-nsim_wheel_alloc (nsim_main_t * nsm, u32 wheel_slots)
+nsim_wheel_alloc (nsim_main_t *nsm)
{
u32 pagesize = getpagesize ();
nsim_wheel_t *wp;
- nsm->mmap_size = sizeof (nsim_wheel_t)
- + wheel_slots * sizeof (nsim_wheel_entry_t);
+ nsm->mmap_size = sizeof (nsim_wheel_t) +
+ nsm->wheel_slots_per_wrk * sizeof (nsim_wheel_entry_t);
nsm->mmap_size += pagesize - 1;
nsm->mmap_size &= ~(pagesize - 1);
wp = clib_mem_vm_alloc (nsm->mmap_size);
ASSERT (wp != 0);
- wp->wheel_size = wheel_slots;
+ wp->wheel_size = nsm->wheel_slots_per_wrk;
wp->cursize = 0;
wp->head = 0;
wp->tail = 0;
}
static int
-nsim_configure (nsim_main_t * nsm, f64 bandwidth, f64 delay, f64 packet_size,
+nsim_configure (nsim_main_t *nsm, f64 bandwidth, f64 delay, u32 packet_size,
f64 drop_fraction, f64 reorder_fraction)
{
u64 total_buffer_size_in_bytes, per_worker_buffer_size, wheel_slots_per_wrk;
if (delay == 0.0)
return VNET_API_ERROR_INVALID_VALUE_2;
- if (packet_size < 64.0 || packet_size > 9000.0)
+ if (packet_size < 64 || packet_size > 9000)
return VNET_API_ERROR_INVALID_VALUE_3;
if (reorder_fraction > 0.0 && delay == 0.0)
/* Save these for the show command */
nsm->bandwidth = bandwidth;
nsm->packet_size = packet_size;
+ nsm->wheel_slots_per_wrk = wheel_slots_per_wrk;
vec_validate (nsm->wheel_by_thread, num_workers);
/* Initialize the output scheduler wheels */
i = (!nsm->poll_main_thread && num_workers) ? 1 : 0;
for (; i < num_workers + 1; i++)
- nsm->wheel_by_thread[i] = nsim_wheel_alloc (nsm, wheel_slots_per_wrk);
+ nsm->wheel_by_thread[i] = nsim_wheel_alloc (nsm);
vlib_worker_thread_barrier_sync (vm);
i = (!nsm->poll_main_thread && num_workers) ? 1 : 0;
for (; i < num_workers + 1; i++)
{
- vlib_main_t *this_vm = vlib_mains[i];
+ vlib_main_t *this_vm = vlib_get_main_by_index (i);
vlib_node_set_state (this_vm, nsim_input_node.index,
VLIB_NODE_STATE_POLLING);
* @cliend
* @cliexcmd{nsim enable-disable <intfc> <intfc> [disable]}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (nsim_enable_disable_command, static) =
{
.path = "nsim cross-connect enable-disable",
"<interface-name-2> [disable]",
.function = nsim_cross_connect_enable_disable_command_fn,
};
-/* *INDENT-ON* */
/* API message handler */
static void vl_api_nsim_cross_connect_enable_disable_t_handler
* @cliend
* @cliexcmd{nsim output-feature enable-disable <intfc> [disable]}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (nsim_output_feature_enable_disable_command, static) =
{
.path = "nsim output-feature enable-disable",
"nsim output-feature enable-disable <interface-name> [disable]",
.function = nsim_output_feature_enable_disable_command_fn,
};
-/* *INDENT-ON* */
#include <nsim/nsim.api.c>
static clib_error_t *
VLIB_INIT_FUNCTION (nsim_init);
-/* *INDENT-OFF* */
VNET_FEATURE_INIT (nsim, static) =
{
.arc_name = "device-input",
.node_name = "nsim",
.runs_before = VNET_FEATURES ("ethernet-input"),
};
-/* *INDENT-ON */
-/* *INDENT-OFF* */
-VNET_FEATURE_INIT (nsim_feature, static) =
-{
+VNET_FEATURE_INIT (nsim_feature, static) = {
.arc_name = "interface-output",
.node_name = "nsim-output-feature",
- .runs_before = VNET_FEATURES ("interface-tx"),
+ .runs_before = VNET_FEATURES ("interface-output-arc-end"),
};
-/* *INDENT-ON */
-/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () =
{
.version = VPP_BUILD_VER,
.description = "Network Delay Simulator",
};
-/* *INDENT-ON* */
static uword
unformat_delay (unformat_input_t * input, va_list * args)
*result = tmp * 1e9;
else if (unformat (input, "%f gbyte", &tmp))
*result = tmp * 8e9;
+ else if (unformat (input, "%f gbps", &tmp))
+ *result = tmp * 1e9;
+ else if (unformat (input, "%f mbps", &tmp))
+ *result = tmp * 1e6;
+ else if (unformat (input, "%f kbps", &tmp))
+ *result = tmp * 1e3;
+ else if (unformat (input, "%f bps", &tmp))
+ *result = tmp;
else
return 0;
return 1;
}
+static u8 *
+format_delay (u8 *s, va_list *args)
+{
+ f64 delay = va_arg (*args, f64);
+
+ if (delay < 1e-3)
+ s = format (s, "%.1f us", delay * 1e6);
+ else if (delay < 1)
+ s = format (s, "%.1f ms", delay * 1e3);
+ else
+ s = format (s, "%f sec", delay);
+
+ return s;
+}
+
+static u8 *
+format_bandwidth (u8 *s, va_list *args)
+{
+ f64 bandwidth = va_arg (*args, f64);
+
+ if (bandwidth >= 1e9)
+ s = format (s, "%.1f gbps", bandwidth / 1e9);
+ else if (bandwidth >= 1e6)
+ s = format (s, "%.1f mbps", bandwidth / 1e6);
+ else if (bandwidth >= 1e3)
+ s = format (s, "%.1f kbps", bandwidth / 1e3);
+ else
+ s = format (s, "%f bps", bandwidth);
+
+ return s;
+}
+
static u8 *
format_nsim_config (u8 * s, va_list * args)
{
nsim_main_t *nsm = &nsim_main;
s = format (s, "configuration\n");
- s = format (s, " delay (ms): %.2f\n", nsm->delay * 1e3);
+ s = format (s, " delay: %U\n", format_delay, nsm->delay);
if (nsm->drop_fraction)
s = format (s, " drop fraction: %.5f\n", nsm->drop_fraction);
else
else
s = format (s, " reorder fraction: 0\n");
s = format (s, " packet size: %u\n", nsm->packet_size);
- s = format (s, " throughput (Gbps): %.2f\n", nsm->bandwidth / 1e9);
+ s = format (s, " worker wheel size: %u\n", nsm->wheel_slots_per_wrk);
+ s = format (s, " throughput: %U\n", format_bandwidth, nsm->bandwidth);
if (verbose)
{
set_nsim_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
- f64 drop_fraction = 0.0, reorder_fraction = 0.0;
- f64 delay, bandwidth, packet_size = 1500.0;
- u32 packets_per_drop, packets_per_reorder;
+ f64 drop_fraction = 0.0, reorder_fraction = 0.0, delay, bandwidth;
+ u32 packets_per_drop, packets_per_reorder, packet_size = 1500;
nsim_main_t *nsm = &nsim_main;
int rv;
else if (unformat (input, "bandwidth %U", unformat_bandwidth,
&bandwidth))
;
- else if (unformat (input, "packet-size %f", &packet_size))
+ else if (unformat (input, "packet-size %u", &packet_size))
;
else if (unformat (input, "packets-per-drop %d", &packets_per_drop))
{
* @cliend
* @cliexcmd{set nsim delay <nn> bandwidth <bb> packet-size <nn>}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_nsim_command, static) =
{
.path = "set nsim",
" [packets-per-drop <nn>][drop-fraction <f64: 0.0 - 1.0>]",
.function = set_nsim_command_fn,
};
-/* *INDENT-ON*/
static clib_error_t *
* @cliexcmd{show nsim}
?*/
-/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_nsim_command, static) =
{
.path = "show nsim",
.short_help = "Display network delay simulator configuration",
.function = show_nsim_command_fn,
};
-/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff