From: Jasvinder Singh <jasvinder.si...@intel.com>
Update the scheduler port configuration api implementation to allow
configuration flexiblity for pipe traffic classes and queues, and
subport level configuration of the pipe parameters..
Signed-off-by: Jasvinder Singh <jasvinder.si...@intel.com>
Signed-off-by: Abraham Tovar <abrahamx.to...@intel.com>
Signed-off-by: Lukasz Krakowiak <lukaszx.krakow...@intel.com>
---
lib/librte_sched/rte_sched.c | 189 +++--------------------------------
1 file changed, 15 insertions(+), 174 deletions(-)
diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 8256ac407..8f11b4597 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -388,8 +388,6 @@ pipe_profile_check(struct rte_sched_pipe_params *params,
static int
rte_sched_port_check_params(struct rte_sched_port_params *params)
{
- uint32_t i;
-
if (params == NULL)
return -1;
@@ -407,40 +405,10 @@ rte_sched_port_check_params(struct rte_sched_port_params
*params)
/* n_subports_per_port: non-zero, limited to 16 bits, power of 2 */
if (params->n_subports_per_port == 0 ||
- params->n_subports_per_port > 1u << 16 ||
+ params->n_subports_per_port > RTE_SCHED_SUBPORTS_PER_PORT ||
!rte_is_power_of_2(params->n_subports_per_port))
return -6;
- /* n_pipes_per_subport: non-zero, power of 2 */
- if (params->n_pipes_per_subport == 0 ||
- !rte_is_power_of_2(params->n_pipes_per_subport))
- return -7;
-
- /* qsize: non-zero, power of 2,
- * no bigger than 32K (due to 16-bit read/write pointers)
- */
- for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- uint16_t qsize = params->qsize[i];
-
- if (qsize == 0 || !rte_is_power_of_2(qsize))
- return -8;
- }
-
- /* pipe_profiles and n_pipe_profiles */
- if (params->pipe_profiles == NULL ||
- params->n_pipe_profiles == 0 ||
- params->n_pipe_profiles > RTE_SCHED_PIPE_PROFILES_PER_PORT)
- return -9;
-
- for (i = 0; i < params->n_pipe_profiles; i++) {
- struct rte_sched_pipe_params *p = params->pipe_profiles + i;
- int status;
-
- status = pipe_profile_check(p, params->rate);
- if (status != 0)
- return status;
- }
-
return 0;
}
@@ -524,36 +492,6 @@ rte_sched_port_get_memory_footprint(struct
rte_sched_port_params *params)
return size0 + size1;
}
-static void
-rte_sched_port_config_qsize(struct rte_sched_port *port)
-{
- /* TC 0 */
- port->qsize_add[0] = 0;
- port->qsize_add[1] = port->qsize_add[0] + port->qsize[0];
- port->qsize_add[2] = port->qsize_add[1] + port->qsize[0];
- port->qsize_add[3] = port->qsize_add[2] + port->qsize[0];
-
- /* TC 1 */
- port->qsize_add[4] = port->qsize_add[3] + port->qsize[0];
- port->qsize_add[5] = port->qsize_add[4] + port->qsize[1];
- port->qsize_add[6] = port->qsize_add[5] + port->qsize[1];
- port->qsize_add[7] = port->qsize_add[6] + port->qsize[1];
-
- /* TC 2 */
- port->qsize_add[8] = port->qsize_add[7] + port->qsize[1];
- port->qsize_add[9] = port->qsize_add[8] + port->qsize[2];
- port->qsize_add[10] = port->qsize_add[9] + port->qsize[2];
- port->qsize_add[11] = port->qsize_add[10] + port->qsize[2];
-
- /* TC 3 */
- port->qsize_add[12] = port->qsize_add[11] + port->qsize[2];
- port->qsize_add[13] = port->qsize_add[12] + port->qsize[3];
- port->qsize_add[14] = port->qsize_add[13] + port->qsize[3];
- port->qsize_add[15] = port->qsize_add[14] + port->qsize[3];
-
- port->qsize_sum = port->qsize_add[15] + port->qsize[3];
-}
-
static void
rte_sched_port_log_pipe_profile(struct rte_sched_port *port, uint32_t i)
{
@@ -660,84 +598,33 @@ rte_sched_pipe_profile_convert(struct
rte_sched_pipe_params *src,
}
}
-static void
-rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port,
- struct rte_sched_port_params *params)
-{
- uint32_t i;
-
- for (i = 0; i < port->n_pipe_profiles; i++) {
- struct rte_sched_pipe_params *src = params->pipe_profiles + i;
- struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
-
- rte_sched_pipe_profile_convert(src, dst, params->rate);
- rte_sched_port_log_pipe_profile(port, i);
- }
-
- port->pipe_tc3_rate_max = 0;
- for (i = 0; i < port->n_pipe_profiles; i++) {
- struct rte_sched_pipe_params *src = params->pipe_profiles + i;
- uint32_t pipe_tc3_rate = src->tc_rate[3];
-
- if (port->pipe_tc3_rate_max < pipe_tc3_rate)
- port->pipe_tc3_rate_max = pipe_tc3_rate;
- }
-}
-
struct rte_sched_port *
rte_sched_port_config(struct rte_sched_port_params *params)
{
struct rte_sched_port *port = NULL;
- uint32_t mem_size, bmp_mem_size, n_queues_per_port, i, cycles_per_byte;
+ uint32_t cycles_per_byte;
+ int status;
- /* Check user parameters. Determine the amount of memory to allocate */
- mem_size = rte_sched_port_get_memory_footprint(params);
- if (mem_size == 0)
- return NULL;
+ status = rte_sched_port_check_params(params);
+ if (status != 0) {
+ RTE_LOG(NOTICE, SCHED,
+ "Port scheduler params check failed (%d)\n", status);
+
+ return 0;
+ }
/* Allocate memory to store the data structures */
- port = rte_zmalloc_socket("qos_params", mem_size, RTE_CACHE_LINE_SIZE,
- params->socket);
+ port = rte_zmalloc_socket("qos_params", sizeof(struct rte_sched_port),
+ RTE_CACHE_LINE_SIZE, params->socket);
if (port == NULL)
return NULL;
- /* compile time checks */
- RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS == 0);
- RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS & (RTE_SCHED_PORT_N_GRINDERS
- 1));
-
/* User parameters */
port->n_subports_per_port = params->n_subports_per_port;
- port->n_pipes_per_subport = params->n_pipes_per_subport;
- port->n_pipes_per_subport_log2 =
- __builtin_ctz(params->n_pipes_per_subport);
+ port->socket = params->socket;
port->rate = params->rate;
port->mtu = params->mtu + params->frame_overhead;
port->frame_overhead = params->frame_overhead;
- memcpy(port->qsize, params->qsize, sizeof(params->qsize));
- port->n_pipe_profiles = params->n_pipe_profiles;
-
-#ifdef RTE_SCHED_RED
- for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- uint32_t j;
-
- for (j = 0; j < RTE_COLORS; j++) {
- /* if min/max are both zero, then RED is disabled */
- if ((params->red_params[i][j].min_th |
- params->red_params[i][j].max_th) == 0) {
- continue;
- }
-
- if (rte_red_config_init(&port->red_config[i][j],
- params->red_params[i][j].wq_log2,
- params->red_params[i][j].min_th,
- params->red_params[i][j].max_th,
- params->red_params[i][j].maxp_inv) != 0) {
- rte_free(port);
- return NULL;
- }
- }
- }
-#endif
/* Timing */
port->time_cpu_cycles = rte_get_tsc_cycles();
@@ -748,57 +635,11 @@ rte_sched_port_config(struct rte_sched_port_params
*params)
/ params->rate;
port->inv_cycles_per_byte = rte_reciprocal_value(cycles_per_byte);
- /* Scheduling loop detection */
- port->pipe_loop = RTE_SCHED_PIPE_INVALID;
- port->pipe_exhaustion = 0;
-
- /* Grinders */
- port->busy_grinders = 0;
port->pkts_out = NULL;
port->n_pkts_out = 0;
+ port->subport_id = 0;
- /* Queue base calculation */
- rte_sched_port_config_qsize(port);
-
- /* Large data structures */
- port->subport = (struct rte_sched_subport *)
- (port->memory + rte_sched_port_get_array_base(params,
-
e_RTE_SCHED_PORT_ARRAY_SUBPORT));
- port->pipe = (struct rte_sched_pipe *)
- (port->memory + rte_sched_port_get_array_base(params,
-
e_RTE_SCHED_PORT_ARRAY_PIPE));
- port->queue = (struct rte_sched_queue *)
- (port->memory + rte_sched_port_get_array_base(params,
-
e_RTE_SCHED_PORT_ARRAY_QUEUE));
- port->queue_extra = (struct rte_sched_queue_extra *)
- (port->memory + rte_sched_port_get_array_base(params,
-
e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA));
- port->pipe_profiles = (struct rte_sched_pipe_profile *)
- (port->memory + rte_sched_port_get_array_base(params,
-
e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES));
- port->bmp_array = port->memory
- + rte_sched_port_get_array_base(params,
e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY);
- port->queue_array = (struct rte_mbuf **)
- (port->memory + rte_sched_port_get_array_base(params,
-
e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY));
-
- /* Pipe profile table */
- rte_sched_port_config_pipe_profile_table(port, params);
-
- /* Bitmap */
- n_queues_per_port = rte_sched_port_queues_per_port(port);
- bmp_mem_size = rte_bitmap_get_memory_footprint(n_queues_per_port);
- port->bmp = rte_bitmap_init(n_queues_per_port, port->bmp_array,
- bmp_mem_size);
- if (port->bmp == NULL) {
- RTE_LOG(ERR, SCHED, "Bitmap init error\n");
- rte_free(port);
- return NULL;
- }
-
- for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++)
- port->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID;
-
+ port->n_max_subport_pipes_log2 = 0;
return port;
}
--
2.20.1
