*/
segment_manager_t *segment_managers = 0;
+/*
+ * Pool of segment manager properties
+ */
+static segment_manager_properties_t *segment_manager_properties_pool;
+
/**
* Process private segment index
*/
u32 default_fifo_size = 1 << 16;
u32 default_segment_size = 1 << 20;
+segment_manager_properties_t *
+segment_manager_properties_alloc (void)
+{
+ segment_manager_properties_t *props;
+ pool_get (segment_manager_properties_pool, props);
+ memset (props, 0, sizeof (*props));
+ return props;
+}
+
+void
+segment_manager_properties_free (segment_manager_properties_t * props)
+{
+ pool_put (segment_manager_properties_pool, props);
+ memset (props, 0xFB, sizeof (*props));
+}
+
+segment_manager_properties_t *
+segment_manager_properties_get (u32 smp_index)
+{
+ if (pool_is_free_index (segment_manager_properties_pool, smp_index))
+ return 0;
+ return pool_elt_at_index (segment_manager_properties_pool, smp_index);
+}
+
+u32
+segment_manager_properties_index (segment_manager_properties_t * p)
+{
+ return p - segment_manager_properties_pool;
+}
+
void
segment_manager_get_segment_info (u32 index, u8 ** name, u32 * size)
{
u8 * segment_name)
{
svm_fifo_segment_create_args_t _ca, *ca = &_ca;
+ segment_manager_properties_t *props;
int rv;
memset (ca, 0, sizeof (*ca));
-
- if (!sm->properties->use_private_segment)
+ props = segment_manager_properties_get (sm->properties_index);
+ if (!props->use_private_segment)
{
ca->segment_name = (char *) segment_name;
ca->segment_size = segment_size;
- ca->rx_fifo_size = sm->properties->rx_fifo_size;
- ca->tx_fifo_size = sm->properties->tx_fifo_size;
- ca->preallocated_fifo_pairs = sm->properties->preallocated_fifo_pairs;
+ ca->rx_fifo_size = props->rx_fifo_size;
+ ca->tx_fifo_size = props->tx_fifo_size;
+ ca->preallocated_fifo_pairs = props->preallocated_fifo_pairs;
rv = svm_fifo_segment_create (ca);
if (rv)
u64 approx_total_size;
ca->segment_name = "process-private-segment";
- ca->segment_size = ~0;
- ca->rx_fifo_size = sm->properties->rx_fifo_size;
- ca->tx_fifo_size = sm->properties->tx_fifo_size;
- ca->preallocated_fifo_pairs = sm->properties->preallocated_fifo_pairs;
- ca->private_segment_count = sm->properties->private_segment_count;
- ca->private_segment_size = sm->properties->private_segment_size;
-
- /* Default to a small private segment */
- if (ca->private_segment_size == 0)
- ca->private_segment_size = 128 << 20;
+ ca->segment_size = segment_size;
+ ca->rx_fifo_size = props->rx_fifo_size;
+ ca->tx_fifo_size = props->tx_fifo_size;
+ ca->preallocated_fifo_pairs = props->preallocated_fifo_pairs;
+ ca->private_segment_count = props->private_segment_count;
/* Calculate space requirements */
rx_rounded_data_size = (1 << (max_log2 (ca->rx_fifo_size)));
approx_total_size = (u64) ca->preallocated_fifo_pairs
* (rx_fifo_size + tx_fifo_size);
- approx_segment_count =
- (approx_total_size +
- (ca->private_segment_size - 1)) / (u64) ca->private_segment_size;
+ approx_segment_count = (approx_total_size + (ca->segment_size - 1))
+ / (u64) ca->segment_size;
/* The user asked us to figure it out... */
if (ca->private_segment_count == 0)
/* Follow directions, but issue a warning */
else if (approx_segment_count != ca->private_segment_count)
{
- clib_warning
- ("Honoring segment count %u, but calculated count was %u",
- ca->private_segment_count, approx_segment_count);
+ clib_warning ("Honoring segment count %u, calculated count was %u",
+ ca->private_segment_count, approx_segment_count);
}
if (svm_fifo_segment_create_process_private (ca))
int
session_manager_add_segment (segment_manager_t * sm)
{
- u8 *segment_name;
svm_fifo_segment_create_args_t _ca, *ca = &_ca;
+ segment_manager_properties_t *props;
u32 add_segment_size;
+ u8 *segment_name;
int rv;
memset (ca, 0, sizeof (*ca));
+ props = segment_manager_properties_get (sm->properties_index);
segment_name = format (0, "%d-%d%c", getpid (), segment_name_counter++, 0);
- add_segment_size = sm->properties->add_segment_size ?
- sm->properties->add_segment_size : default_segment_size;
+ add_segment_size = props->add_segment_size ?
+ props->add_segment_size : default_segment_size;
rv = session_manager_add_segment_i (sm, add_segment_size, segment_name);
vec_free (segment_name);
* Returns error if svm segment allocation fails.
*/
int
-segment_manager_init (segment_manager_t * sm,
- segment_manager_properties_t * properties,
+segment_manager_init (segment_manager_t * sm, u32 props_index,
u32 first_seg_size)
{
int rv;
/* app allocates these */
- sm->properties = properties;
-
+ sm->properties_index = props_index;
first_seg_size = first_seg_size > 0 ? first_seg_size : default_segment_size;
-
rv = session_manager_add_first_segment (sm, first_seg_size);
if (rv)
{
u32 * fifo_segment_index)
{
svm_fifo_segment_private_t *fifo_segment;
+ segment_manager_properties_t *props;
u32 fifo_size, sm_index;
u8 added_a_segment = 0;
int i;
clib_spinlock_lock (&sm->lockp);
/* Allocate svm fifos */
+ props = segment_manager_properties_get (sm->properties_index);
again:
for (i = 0; i < vec_len (sm->segment_indices); i++)
{
*fifo_segment_index = sm->segment_indices[i];
fifo_segment = svm_fifo_segment_get_segment (*fifo_segment_index);
- fifo_size = sm->properties->rx_fifo_size;
+ fifo_size = props->rx_fifo_size;
fifo_size = (fifo_size == 0) ? default_fifo_size : fifo_size;
*server_rx_fifo =
svm_fifo_segment_alloc_fifo (fifo_segment, fifo_size,
FIFO_SEGMENT_RX_FREELIST);
- fifo_size = sm->properties->tx_fifo_size;
+ fifo_size = props->tx_fifo_size;
fifo_size = (fifo_size == 0) ? default_fifo_size : fifo_size;
*server_tx_fifo =
svm_fifo_segment_alloc_fifo (fifo_segment, fifo_size,
/* See if we're supposed to create another segment */
if (*server_rx_fifo == 0)
{
- if (sm->properties->add_segment && !sm->properties->use_private_segment)
+ if (props->add_segment && !props->use_private_segment)
{
if (added_a_segment)
{
segments = svm_fifo_segment_segments_pool ();
vlib_cli_output (vm, "%d svm fifo segments allocated",
pool_elts (segments));
- vlib_cli_output (vm, "%-20s%=12s%=16s%=16s%=16s", "Name",
+ vlib_cli_output (vm, "%-25s%15s%16s%16s%16s", "Name",
"HeapSize (M)", "ActiveFifos", "FreeFifos", "Address");
/* *INDENT-OFF* */
}
active_fifos = svm_fifo_segment_num_fifos (seg);
free_fifos = svm_fifo_segment_num_free_fifos (seg, ~0 /* size */);
- vlib_cli_output (vm, "%-20v%=16llu%=16u%=16u%16llx",
+ vlib_cli_output (vm, "%-25v%15llu%16u%16u%16llx",
name, size >> 20ULL, active_fifos, free_fifos,
address);
if (verbose)
return 0;
}
- /* *INDENT-OFF* */
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (segment_manager_show_command, static) =
{
.path = "show segment-manager",