#ifdef RTE_ARCH_X86
#define SCHED_VECTOR_SSE4
-#elif defined(RTE_MACHINE_CPUFLAG_NEON)
+#elif defined(__ARM_NEON)
#define SCHED_VECTOR_NEON
#endif
struct rte_sched_pipe_profile {
/* Token bucket (TB) */
- uint32_t tb_period;
- uint32_t tb_credits_per_period;
- uint32_t tb_size;
+ uint64_t tb_period;
+ uint64_t tb_credits_per_period;
+ uint64_t tb_size;
/* Pipe traffic classes */
- uint32_t tc_period;
- uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ uint64_t tc_period;
+ uint64_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
uint8_t tc_ov_weight;
/* Pipe best-effort traffic class queues */
struct rte_sched_pipe {
/* Token bucket (TB) */
uint64_t tb_time; /* time of last update */
- uint32_t tb_credits;
+ uint64_t tb_credits;
/* Pipe profile and flags */
uint32_t profile;
/* Traffic classes (TCs) */
uint64_t tc_time; /* time of next update */
- uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ uint64_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
/* Weighted Round Robin (WRR) */
uint8_t wrr_tokens[RTE_SCHED_BE_QUEUES_PER_PIPE];
/* TC oversubscription */
- uint32_t tc_ov_credits;
+ uint64_t tc_ov_credits;
uint8_t tc_ov_period_id;
} __rte_cache_aligned;
e_GRINDER_READ_MBUF
};
+struct rte_sched_subport_profile {
+ /* Token bucket (TB) */
+ uint64_t tb_period;
+ uint64_t tb_credits_per_period;
+ uint64_t tb_size;
+
+ uint64_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ uint64_t tc_period;
+};
+
struct rte_sched_grinder {
/* Pipe cache */
uint16_t pcache_qmask[RTE_SCHED_GRINDER_PCACHE_SIZE];
uint32_t productive;
uint32_t pindex;
struct rte_sched_subport *subport;
+ struct rte_sched_subport_profile *subport_params;
struct rte_sched_pipe *pipe;
struct rte_sched_pipe_profile *pipe_params;
struct rte_sched_subport {
/* Token bucket (TB) */
uint64_t tb_time; /* time of last update */
- uint32_t tb_period;
- uint32_t tb_credits_per_period;
- uint32_t tb_size;
- uint32_t tb_credits;
+ uint64_t tb_credits;
/* Traffic classes (TCs) */
uint64_t tc_time; /* time of next update */
- uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- uint32_t tc_period;
+ uint64_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
/* TC oversubscription */
- uint32_t tc_ov_wm;
- uint32_t tc_ov_wm_min;
- uint32_t tc_ov_wm_max;
+ uint64_t tc_ov_wm;
+ uint64_t tc_ov_wm_min;
+ uint64_t tc_ov_wm_max;
uint8_t tc_ov_period_id;
uint8_t tc_ov;
uint32_t tc_ov_n;
double tc_ov_rate;
/* Statistics */
- struct rte_sched_subport_stats stats;
+ struct rte_sched_subport_stats stats __rte_cache_aligned;
+ /* subport profile */
+ uint32_t profile;
/* Subport pipes */
uint32_t n_pipes_per_subport_enabled;
uint32_t n_pipe_profiles;
uint32_t n_max_pipe_profiles;
/* Pipe best-effort TC rate */
- uint32_t pipe_tc_be_rate_max;
+ uint64_t pipe_tc_be_rate_max;
/* Pipe queues size */
uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
uint16_t pipe_queue[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
uint8_t pipe_tc[RTE_SCHED_QUEUES_PER_PIPE];
uint8_t tc_queue[RTE_SCHED_QUEUES_PER_PIPE];
- uint32_t rate;
+ uint32_t n_subport_profiles;
+ uint32_t n_max_subport_profiles;
+ uint64_t rate;
uint32_t mtu;
uint32_t frame_overhead;
int socket;
- uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- uint32_t n_pipe_profiles;
- uint32_t n_max_pipe_profiles;
- uint32_t pipe_tc_be_rate_max;
-#ifdef RTE_SCHED_RED
- struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][RTE_COLORS];
-#endif
/* Timing */
uint64_t time_cpu_cycles; /* Current CPU time measured in CPU cyles */
uint64_t time_cpu_bytes; /* Current CPU time measured in bytes */
uint64_t time; /* Current NIC TX time measured in bytes */
struct rte_reciprocal inv_cycles_per_byte; /* CPU cycles per byte */
-
- /* Scheduling loop detection */
- uint32_t pipe_loop;
- uint32_t pipe_exhaustion;
-
- /* Bitmap */
- struct rte_bitmap *bmp;
- uint32_t grinder_base_bmp_pos[RTE_SCHED_PORT_N_GRINDERS] __rte_aligned_16;
+ uint64_t cycles_per_byte;
/* Grinders */
- struct rte_sched_grinder grinder[RTE_SCHED_PORT_N_GRINDERS];
- uint32_t busy_grinders;
struct rte_mbuf **pkts_out;
uint32_t n_pkts_out;
-
- /* Queue base calculation */
- uint32_t qsize_add[RTE_SCHED_QUEUES_PER_PIPE];
- uint32_t qsize_sum;
+ uint32_t subport_id;
/* Large data structures */
- struct rte_sched_subport *subports[0];
- struct rte_sched_subport *subport;
- struct rte_sched_pipe *pipe;
- struct rte_sched_queue *queue;
- struct rte_sched_queue_extra *queue_extra;
- struct rte_sched_pipe_profile *pipe_profiles;
- uint8_t *bmp_array;
- struct rte_mbuf **queue_array;
- uint8_t memory[0] __rte_cache_aligned;
+ struct rte_sched_subport_profile *subport_profiles;
+ struct rte_sched_subport *subports[0] __rte_cache_aligned;
} __rte_cache_aligned;
-enum rte_sched_port_array {
- e_RTE_SCHED_PORT_ARRAY_SUBPORT = 0,
- e_RTE_SCHED_PORT_ARRAY_PIPE,
- e_RTE_SCHED_PORT_ARRAY_QUEUE,
- e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA,
- e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES,
- e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY,
- e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY,
- e_RTE_SCHED_PORT_ARRAY_TOTAL,
-};
-
enum rte_sched_subport_array {
e_RTE_SCHED_SUBPORT_ARRAY_PIPE = 0,
e_RTE_SCHED_SUBPORT_ARRAY_QUEUE,
static inline uint32_t
rte_sched_port_queues_per_port(struct rte_sched_port *port)
{
- return RTE_SCHED_QUEUES_PER_PIPE * port->n_pipes_per_subport * port->n_subports_per_port;
-}
-
-static inline struct rte_mbuf **
-rte_sched_port_qbase(struct rte_sched_port *port, uint32_t qindex)
-{
- uint32_t pindex = qindex >> 4;
- uint32_t qpos = qindex & 0xF;
+ uint32_t n_queues = 0, i;
- return (port->queue_array + pindex *
- port->qsize_sum + port->qsize_add[qpos]);
-}
-
-static inline uint16_t
-rte_sched_port_qsize(struct rte_sched_port *port, uint32_t qindex)
-{
- uint32_t tc = port->pipe_tc[qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1)];
+ for (i = 0; i < port->n_subports_per_port; i++)
+ n_queues += rte_sched_subport_pipe_queues(port->subports[i]);
- return port->qsize[tc];
+ return n_queues;
}
static inline uint16_t
static int
pipe_profile_check(struct rte_sched_pipe_params *params,
- uint32_t rate, uint16_t *qsize)
+ uint64_t rate, uint16_t *qsize)
{
uint32_t i;
return 0;
}
+static int
+subport_profile_check(struct rte_sched_subport_profile_params *params,
+ uint64_t rate)
+{
+ uint32_t i;
+
+ /* Check user parameters */
+ if (params == NULL) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for parameter params\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->tb_rate == 0 || params->tb_rate > rate) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for tb rate\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->tb_size == 0) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for tb size\n", __func__);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+ uint64_t tc_rate = params->tc_rate[i];
+
+ if (tc_rate == 0 || (tc_rate > params->tb_rate)) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for tc rate\n", __func__);
+ return -EINVAL;
+ }
+ }
+
+ if (params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect tc rate(best effort)\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->tc_period == 0) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for tc period\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int
rte_sched_port_check_params(struct rte_sched_port_params *params)
{
+ uint32_t i;
+
if (params == NULL) {
RTE_LOG(ERR, SCHED,
"%s: Incorrect value for parameter params\n", __func__);
return -EINVAL;
}
+ if (params->subport_profiles == NULL ||
+ params->n_subport_profiles == 0 ||
+ params->n_max_subport_profiles == 0 ||
+ params->n_subport_profiles > params->n_max_subport_profiles) {
+ RTE_LOG(ERR, SCHED,
+ "%s: Incorrect value for subport profiles\n", __func__);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < params->n_subport_profiles; i++) {
+ struct rte_sched_subport_profile_params *p =
+ params->subport_profiles + i;
+ int status;
+
+ status = subport_profile_check(p, params->rate);
+ if (status != 0) {
+ RTE_LOG(ERR, SCHED,
+ "%s: subport profile check failed(%d)\n",
+ __func__, status);
+ return -EINVAL;
+ }
+ }
+
/* 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 0;
}
-static uint32_t
-rte_sched_port_get_array_base(struct rte_sched_port_params *params, enum rte_sched_port_array array)
-{
- uint32_t n_subports_per_port = params->n_subports_per_port;
- uint32_t n_pipes_per_subport = params->n_pipes_per_subport;
- uint32_t n_pipes_per_port = n_pipes_per_subport * n_subports_per_port;
- uint32_t n_queues_per_port = RTE_SCHED_QUEUES_PER_PIPE * n_pipes_per_subport * n_subports_per_port;
-
- uint32_t size_subport = n_subports_per_port * sizeof(struct rte_sched_subport);
- uint32_t size_pipe = n_pipes_per_port * sizeof(struct rte_sched_pipe);
- uint32_t size_queue = n_queues_per_port * sizeof(struct rte_sched_queue);
- uint32_t size_queue_extra
- = n_queues_per_port * sizeof(struct rte_sched_queue_extra);
- uint32_t size_pipe_profiles
- = params->n_max_pipe_profiles * sizeof(struct rte_sched_pipe_profile);
- uint32_t size_bmp_array = rte_bitmap_get_memory_footprint(n_queues_per_port);
- uint32_t size_per_pipe_queue_array, size_queue_array;
-
- uint32_t base, i;
-
- size_per_pipe_queue_array = 0;
- for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- if (i < RTE_SCHED_TRAFFIC_CLASS_BE)
- size_per_pipe_queue_array +=
- params->qsize[i] * sizeof(struct rte_mbuf *);
- else
- size_per_pipe_queue_array += RTE_SCHED_MAX_QUEUES_PER_TC *
- params->qsize[i] * sizeof(struct rte_mbuf *);
- }
- size_queue_array = n_pipes_per_port * size_per_pipe_queue_array;
-
- base = 0;
-
- if (array == e_RTE_SCHED_PORT_ARRAY_SUBPORT)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_subport);
-
- if (array == e_RTE_SCHED_PORT_ARRAY_PIPE)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_pipe);
-
- if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_queue);
-
- if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_queue_extra);
-
- if (array == e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_pipe_profiles);
-
- if (array == e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_bmp_array);
-
- if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY)
- return base;
- base += RTE_CACHE_LINE_ROUNDUP(size_queue_array);
-
- return base;
-}
-
static uint32_t
rte_sched_subport_get_array_base(struct rte_sched_subport_params *params,
enum rte_sched_subport_array array)
struct rte_sched_pipe_profile *p = subport->pipe_profiles + i;
RTE_LOG(DEBUG, SCHED, "Low level config for pipe profile %u:\n"
- " Token bucket: period = %u, credits per period = %u, size = %u\n"
- " Traffic classes: period = %u,\n"
- " credits per period = [%u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u]\n"
+ " Token bucket: period = %"PRIu64", credits per period = %"PRIu64", size = %"PRIu64"\n"
+ " Traffic classes: period = %"PRIu64",\n"
+ " credits per period = [%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+ ", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+ ", %"PRIu64", %"PRIu64", %"PRIu64"]\n"
" Best-effort traffic class oversubscription: weight = %hhu\n"
" WRR cost: [%hhu, %hhu, %hhu, %hhu]\n",
i,
p->wrr_cost[0], p->wrr_cost[1], p->wrr_cost[2], p->wrr_cost[3]);
}
+static void
+rte_sched_port_log_subport_profile(struct rte_sched_port *port, uint32_t i)
+{
+ struct rte_sched_subport_profile *p = port->subport_profiles + i;
+
+ RTE_LOG(DEBUG, SCHED, "Low level config for subport profile %u:\n"
+ "Token bucket: period = %"PRIu64", credits per period = %"PRIu64","
+ "size = %"PRIu64"\n"
+ "Traffic classes: period = %"PRIu64",\n"
+ "credits per period = [%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+ " %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+ " %"PRIu64", %"PRIu64", %"PRIu64"]\n",
+ i,
+
+ /* Token bucket */
+ p->tb_period,
+ p->tb_credits_per_period,
+ p->tb_size,
+
+ /* Traffic classes */
+ p->tc_period,
+ p->tc_credits_per_period[0],
+ p->tc_credits_per_period[1],
+ p->tc_credits_per_period[2],
+ p->tc_credits_per_period[3],
+ p->tc_credits_per_period[4],
+ p->tc_credits_per_period[5],
+ p->tc_credits_per_period[6],
+ p->tc_credits_per_period[7],
+ p->tc_credits_per_period[8],
+ p->tc_credits_per_period[9],
+ p->tc_credits_per_period[10],
+ p->tc_credits_per_period[11],
+ p->tc_credits_per_period[12]);
+}
+
static inline uint64_t
-rte_sched_time_ms_to_bytes(uint32_t time_ms, uint32_t rate)
+rte_sched_time_ms_to_bytes(uint64_t time_ms, uint64_t rate)
{
uint64_t time = time_ms;
rte_sched_pipe_profile_convert(struct rte_sched_subport *subport,
struct rte_sched_pipe_params *src,
struct rte_sched_pipe_profile *dst,
- uint32_t rate)
+ uint64_t rate)
{
uint32_t wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
uint32_t lcd1, lcd2, lcd;
/ (double) rate;
double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
- rte_approx(tb_rate, d,
- &dst->tb_credits_per_period, &dst->tb_period);
+ rte_approx_64(tb_rate, d, &dst->tb_credits_per_period,
+ &dst->tb_period);
}
dst->tb_size = src->tb_size;
dst->wrr_cost[3] = (uint8_t) wrr_cost[3];
}
+static void
+rte_sched_subport_profile_convert(struct rte_sched_subport_profile_params *src,
+ struct rte_sched_subport_profile *dst,
+ uint64_t rate)
+{
+ uint32_t i;
+
+ /* Token Bucket */
+ if (src->tb_rate == rate) {
+ dst->tb_credits_per_period = 1;
+ dst->tb_period = 1;
+ } else {
+ double tb_rate = (double) src->tb_rate
+ / (double) rate;
+ double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
+
+ rte_approx_64(tb_rate, d, &dst->tb_credits_per_period,
+ &dst->tb_period);
+ }
+
+ dst->tb_size = src->tb_size;
+
+ /* Traffic Classes */
+ dst->tc_period = rte_sched_time_ms_to_bytes(src->tc_period, rate);
+
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ dst->tc_credits_per_period[i]
+ = rte_sched_time_ms_to_bytes(src->tc_period,
+ src->tc_rate[i]);
+}
+
static void
rte_sched_subport_config_pipe_profile_table(struct rte_sched_subport *subport,
- struct rte_sched_subport_params *params, uint32_t rate)
+ struct rte_sched_subport_params *params, uint64_t rate)
{
uint32_t i;
subport->pipe_tc_be_rate_max = 0;
for (i = 0; i < subport->n_pipe_profiles; i++) {
struct rte_sched_pipe_params *src = params->pipe_profiles + i;
- uint32_t pipe_tc_be_rate = src->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
+ uint64_t pipe_tc_be_rate = src->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
if (subport->pipe_tc_be_rate_max < pipe_tc_be_rate)
subport->pipe_tc_be_rate_max = pipe_tc_be_rate;
}
}
+static void
+rte_sched_port_config_subport_profile_table(struct rte_sched_port *port,
+ struct rte_sched_port_params *params,
+ uint64_t rate)
+{
+ uint32_t i;
+
+ for (i = 0; i < port->n_subport_profiles; i++) {
+ struct rte_sched_subport_profile_params *src
+ = params->subport_profiles + i;
+ struct rte_sched_subport_profile *dst
+ = port->subport_profiles + i;
+
+ rte_sched_subport_profile_convert(src, dst, rate);
+ rte_sched_port_log_subport_profile(port, i);
+ }
+}
+
static int
rte_sched_subport_check_params(struct rte_sched_subport_params *params,
uint32_t n_max_pipes_per_subport,
- uint32_t rate)
+ uint64_t rate)
{
uint32_t i;
return -EINVAL;
}
- if (params->tb_rate == 0 || params->tb_rate > rate) {
- RTE_LOG(ERR, SCHED,
- "%s: Incorrect value for tb rate\n", __func__);
- return -EINVAL;
- }
-
- if (params->tb_size == 0) {
- RTE_LOG(ERR, SCHED,
- "%s: Incorrect value for tb size\n", __func__);
- return -EINVAL;
- }
-
/* qsize: if 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++) {
- uint32_t tc_rate = params->tc_rate[i];
- uint16_t qsize = params->qsize[i];
-
- if ((qsize == 0 && tc_rate != 0) ||
- (qsize != 0 && tc_rate == 0) ||
- (tc_rate > params->tb_rate)) {
- RTE_LOG(ERR, SCHED,
- "%s: Incorrect value for tc rate\n", __func__);
- return -EINVAL;
- }
- }
-
- if (params->qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0 ||
- params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0) {
- RTE_LOG(ERR, SCHED,
- "%s: Incorrect qsize or tc rate(best effort)\n", __func__);
- return -EINVAL;
- }
-
- if (params->tc_period == 0) {
- RTE_LOG(ERR, SCHED,
- "%s: Incorrect value for tc period\n", __func__);
+ if (params->qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0) {
+ RTE_LOG(ERR, SCHED, "%s: Incorrect qsize\n", __func__);
return -EINVAL;
}
}
uint32_t
-rte_sched_port_get_memory_footprint(struct rte_sched_port_params *params)
+rte_sched_port_get_memory_footprint(struct rte_sched_port_params *port_params,
+ struct rte_sched_subport_params **subport_params)
{
- uint32_t size0, size1;
+ uint32_t size0 = 0, size1 = 0, i;
int status;
- status = rte_sched_port_check_params(params);
+ status = rte_sched_port_check_params(port_params);
if (status != 0) {
- RTE_LOG(NOTICE, SCHED,
- "Port scheduler params check failed (%d)\n", status);
+ RTE_LOG(ERR, SCHED,
+ "%s: Port scheduler port params check failed (%d)\n",
+ __func__, status);
return 0;
}
+ for (i = 0; i < port_params->n_subports_per_port; i++) {
+ struct rte_sched_subport_params *sp = subport_params[i];
+
+ status = rte_sched_subport_check_params(sp,
+ port_params->n_pipes_per_subport,
+ port_params->rate);
+ if (status != 0) {
+ RTE_LOG(ERR, SCHED,
+ "%s: Port scheduler subport params check failed (%d)\n",
+ __func__, status);
+
+ return 0;
+ }
+ }
+
size0 = sizeof(struct rte_sched_port);
- size1 = rte_sched_port_get_array_base(params,
- e_RTE_SCHED_PORT_ARRAY_TOTAL);
+
+ for (i = 0; i < port_params->n_subports_per_port; i++) {
+ struct rte_sched_subport_params *sp = subport_params[i];
+
+ size1 += rte_sched_subport_get_array_base(sp,
+ e_RTE_SCHED_SUBPORT_ARRAY_TOTAL);
+ }
return size0 + size1;
}
rte_sched_port_config(struct rte_sched_port_params *params)
{
struct rte_sched_port *port = NULL;
- uint32_t size0, size1;
+ uint32_t size0, size1, size2;
uint32_t cycles_per_byte;
uint32_t i, j;
int status;
size0 = sizeof(struct rte_sched_port);
size1 = params->n_subports_per_port * sizeof(struct rte_sched_subport *);
+ size2 = params->n_max_subport_profiles *
+ sizeof(struct rte_sched_subport_profile);
/* Allocate memory to store the data structures */
- port = rte_zmalloc_socket("qos_params", size0 + size1, RTE_CACHE_LINE_SIZE,
- params->socket);
+ port = rte_zmalloc_socket("qos_params", size0 + size1,
+ RTE_CACHE_LINE_SIZE, params->socket);
+ if (port == NULL) {
+ RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", __func__);
+
+ return NULL;
+ }
+
+ /* Allocate memory to store the subport profile */
+ port->subport_profiles = rte_zmalloc_socket("subport_profile", size2,
+ RTE_CACHE_LINE_SIZE, params->socket);
if (port == NULL) {
RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", __func__);
/* User parameters */
port->n_subports_per_port = params->n_subports_per_port;
+ port->n_subport_profiles = params->n_subport_profiles;
+ port->n_max_subport_profiles = params->n_max_subport_profiles;
port->n_pipes_per_subport = params->n_pipes_per_subport;
port->n_pipes_per_subport_log2 =
__builtin_ctz(params->n_pipes_per_subport);
port->time_cpu_bytes = 0;
port->time = 0;
+ /* Subport profile table */
+ rte_sched_port_config_subport_profile_table(port, params, port->rate);
+
cycles_per_byte = (rte_get_tsc_hz() << RTE_SCHED_TIME_SHIFT)
/ params->rate;
port->inv_cycles_per_byte = rte_reciprocal_value(cycles_per_byte);
+ port->cycles_per_byte = cycles_per_byte;
/* Grinders */
port->pkts_out = NULL;
port->n_pkts_out = 0;
+ port->subport_id = 0;
return port;
}
}
}
- rte_bitmap_free(subport->bmp);
+ rte_free(subport);
}
void
for (i = 0; i < port->n_subports_per_port; i++)
rte_sched_subport_free(port, port->subports[i]);
+ rte_free(port->subport_profiles);
rte_free(port);
}
-static void
-rte_sched_port_log_subport_config(struct rte_sched_port *port, uint32_t i)
-{
- struct rte_sched_subport *s = port->subports[i];
-
- RTE_LOG(DEBUG, SCHED, "Low level config for subport %u:\n"
- " Token bucket: period = %u, credits per period = %u, size = %u\n"
- " Traffic classes: period = %u\n"
- " credits per period = [%u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u]\n"
- " Best effort traffic class oversubscription: wm min = %u, wm max = %u\n",
- i,
-
- /* Token bucket */
- s->tb_period,
- s->tb_credits_per_period,
- s->tb_size,
-
- /* Traffic classes */
- s->tc_period,
- s->tc_credits_per_period[0],
- s->tc_credits_per_period[1],
- s->tc_credits_per_period[2],
- s->tc_credits_per_period[3],
- s->tc_credits_per_period[4],
- s->tc_credits_per_period[5],
- s->tc_credits_per_period[6],
- s->tc_credits_per_period[7],
- s->tc_credits_per_period[8],
- s->tc_credits_per_period[9],
- s->tc_credits_per_period[10],
- s->tc_credits_per_period[11],
- s->tc_credits_per_period[12],
-
- /* Best effort traffic class oversubscription */
- s->tc_ov_wm_min,
- s->tc_ov_wm_max);
-}
-
static void
rte_sched_free_memory(struct rte_sched_port *port, uint32_t n_subports)
{
rte_sched_subport_free(port, subport);
}
+ rte_free(port->subport_profiles);
rte_free(port);
}
int
rte_sched_subport_config(struct rte_sched_port *port,
uint32_t subport_id,
- struct rte_sched_subport_params *params)
+ struct rte_sched_subport_params *params,
+ uint32_t subport_profile_id)
{
struct rte_sched_subport *s = NULL;
uint32_t n_subports = subport_id;
+ struct rte_sched_subport_profile *profile;
uint32_t n_subport_pipe_queues, i;
uint32_t size0, size1, bmp_mem_size;
int status;
return -EINVAL;
}
- status = rte_sched_subport_check_params(params,
- port->n_pipes_per_subport,
- port->rate);
- if (status != 0) {
- RTE_LOG(NOTICE, SCHED,
- "%s: Port scheduler params check failed (%d)\n",
- __func__, status);
-
+ if (subport_profile_id >= port->n_max_subport_profiles) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Number of subport profile exceeds the max limit\n",
+ __func__);
rte_sched_free_memory(port, n_subports);
return -EINVAL;
}
- /* Determine the amount of memory to allocate */
- size0 = sizeof(struct rte_sched_subport);
- size1 = rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_TOTAL);
+ /** Memory is allocated only on first invocation of the api for a
+ * given subport. Subsequent invocation on same subport will just
+ * update subport bandwidth parameter.
+ **/
+ if (port->subports[subport_id] == NULL) {
- /* Allocate memory to store the data structures */
- s = rte_zmalloc_socket("subport_params", size0 + size1,
- RTE_CACHE_LINE_SIZE, port->socket);
- if (s == NULL) {
- RTE_LOG(ERR, SCHED,
- "%s: Memory allocation fails\n", __func__);
+ status = rte_sched_subport_check_params(params,
+ port->n_pipes_per_subport,
+ port->rate);
+ if (status != 0) {
+ RTE_LOG(NOTICE, SCHED,
+ "%s: Port scheduler params check failed (%d)\n",
+ __func__, status);
- rte_sched_free_memory(port, n_subports);
- return -ENOMEM;
- }
+ rte_sched_free_memory(port, n_subports);
+ return -EINVAL;
+ }
- n_subports++;
+ /* Determine the amount of memory to allocate */
+ size0 = sizeof(struct rte_sched_subport);
+ size1 = rte_sched_subport_get_array_base(params,
+ e_RTE_SCHED_SUBPORT_ARRAY_TOTAL);
- /* Port */
- port->subports[subport_id] = s;
+ /* Allocate memory to store the data structures */
+ s = rte_zmalloc_socket("subport_params", size0 + size1,
+ RTE_CACHE_LINE_SIZE, port->socket);
+ if (s == NULL) {
+ RTE_LOG(ERR, SCHED,
+ "%s: Memory allocation fails\n", __func__);
- /* Token Bucket (TB) */
- if (params->tb_rate == port->rate) {
- s->tb_credits_per_period = 1;
- s->tb_period = 1;
- } else {
- double tb_rate = ((double) params->tb_rate) / ((double) port->rate);
- double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
+ rte_sched_free_memory(port, n_subports);
+ return -ENOMEM;
+ }
- rte_approx(tb_rate, d, &s->tb_credits_per_period, &s->tb_period);
- }
+ n_subports++;
- s->tb_size = params->tb_size;
- s->tb_time = port->time;
- s->tb_credits = s->tb_size / 2;
+ subport_profile_id = 0;
- /* Traffic Classes (TCs) */
- s->tc_period = rte_sched_time_ms_to_bytes(params->tc_period, port->rate);
- for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- if (params->qsize[i])
- s->tc_credits_per_period[i]
- = rte_sched_time_ms_to_bytes(params->tc_period,
- params->tc_rate[i]);
- }
- s->tc_time = port->time + s->tc_period;
- for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- if (params->qsize[i])
- s->tc_credits[i] = s->tc_credits_per_period[i];
+ /* Port */
+ port->subports[subport_id] = s;
- /* 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));
+ s->tb_time = port->time;
- /* User parameters */
- s->n_pipes_per_subport_enabled = params->n_pipes_per_subport_enabled;
- memcpy(s->qsize, params->qsize, sizeof(params->qsize));
- s->n_pipe_profiles = params->n_pipe_profiles;
- s->n_max_pipe_profiles = params->n_max_pipe_profiles;
+ /* 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 */
+ s->n_pipes_per_subport_enabled =
+ params->n_pipes_per_subport_enabled;
+ memcpy(s->qsize, params->qsize, sizeof(params->qsize));
+ s->n_pipe_profiles = params->n_pipe_profiles;
+ s->n_max_pipe_profiles = params->n_max_pipe_profiles;
#ifdef RTE_SCHED_RED
- for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- uint32_t j;
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+ uint32_t j;
- for (j = 0; j < RTE_COLORS; 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 ((params->red_params[i][j].min_th |
+ params->red_params[i][j].max_th) == 0) {
+ continue;
+ }
+
+ if (rte_red_config_init(&s->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_sched_free_memory(port, n_subports);
+
+ RTE_LOG(NOTICE, SCHED,
+ "%s: RED configuration init fails\n",
+ __func__);
+ return -EINVAL;
+ }
}
+ }
+#endif
- if (rte_red_config_init(&s->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_sched_free_memory(port, n_subports);
+ /* Scheduling loop detection */
+ s->pipe_loop = RTE_SCHED_PIPE_INVALID;
+ s->pipe_exhaustion = 0;
+
+ /* Grinders */
+ s->busy_grinders = 0;
+
+ /* Queue base calculation */
+ rte_sched_subport_config_qsize(s);
+
+ /* Large data structures */
+ s->pipe = (struct rte_sched_pipe *)
+ (s->memory + rte_sched_subport_get_array_base(params,
+ e_RTE_SCHED_SUBPORT_ARRAY_PIPE));
+ s->queue = (struct rte_sched_queue *)
+ (s->memory + rte_sched_subport_get_array_base(params,
+ e_RTE_SCHED_SUBPORT_ARRAY_QUEUE));
+ s->queue_extra = (struct rte_sched_queue_extra *)
+ (s->memory + rte_sched_subport_get_array_base(params,
+ e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_EXTRA));
+ s->pipe_profiles = (struct rte_sched_pipe_profile *)
+ (s->memory + rte_sched_subport_get_array_base(params,
+ e_RTE_SCHED_SUBPORT_ARRAY_PIPE_PROFILES));
+ s->bmp_array = s->memory + rte_sched_subport_get_array_base(
+ params, e_RTE_SCHED_SUBPORT_ARRAY_BMP_ARRAY);
+ s->queue_array = (struct rte_mbuf **)
+ (s->memory + rte_sched_subport_get_array_base(params,
+ e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_ARRAY));
+
+ /* Pipe profile table */
+ rte_sched_subport_config_pipe_profile_table(s, params,
+ port->rate);
+
+ /* Bitmap */
+ n_subport_pipe_queues = rte_sched_subport_pipe_queues(s);
+ bmp_mem_size = rte_bitmap_get_memory_footprint(
+ n_subport_pipe_queues);
+ s->bmp = rte_bitmap_init(n_subport_pipe_queues, s->bmp_array,
+ bmp_mem_size);
+ if (s->bmp == NULL) {
+ RTE_LOG(ERR, SCHED,
+ "%s: Subport bitmap init error\n", __func__);
- RTE_LOG(NOTICE, SCHED,
- "%s: RED configuration init fails\n", __func__);
- return -EINVAL;
- }
+ rte_sched_free_memory(port, n_subports);
+ return -EINVAL;
}
- }
-#endif
- /* Scheduling loop detection */
- s->pipe_loop = RTE_SCHED_PIPE_INVALID;
- s->pipe_exhaustion = 0;
+ for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++)
+ s->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID;
- /* Grinders */
- s->busy_grinders = 0;
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+ /* TC oversubscription */
+ s->tc_ov_wm_min = port->mtu;
+ s->tc_ov_wm = s->tc_ov_wm_max;
+ s->tc_ov_period_id = 0;
+ s->tc_ov = 0;
+ s->tc_ov_n = 0;
+ s->tc_ov_rate = 0;
+#endif
+ }
- /* Queue base calculation */
- rte_sched_subport_config_qsize(s);
+ {
+ /* update subport parameters from subport profile table*/
+ profile = port->subport_profiles + subport_profile_id;
- /* Large data structures */
- s->pipe = (struct rte_sched_pipe *)
- (s->memory + rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_PIPE));
- s->queue = (struct rte_sched_queue *)
- (s->memory + rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_QUEUE));
- s->queue_extra = (struct rte_sched_queue_extra *)
- (s->memory + rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_EXTRA));
- s->pipe_profiles = (struct rte_sched_pipe_profile *)
- (s->memory + rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_PIPE_PROFILES));
- s->bmp_array = s->memory + rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_BMP_ARRAY);
- s->queue_array = (struct rte_mbuf **)
- (s->memory + rte_sched_subport_get_array_base(params,
- e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_ARRAY));
-
- /* Pipe profile table */
- rte_sched_subport_config_pipe_profile_table(s, params, port->rate);
+ s = port->subports[subport_id];
- /* Bitmap */
- n_subport_pipe_queues = rte_sched_subport_pipe_queues(s);
- bmp_mem_size = rte_bitmap_get_memory_footprint(n_subport_pipe_queues);
- s->bmp = rte_bitmap_init(n_subport_pipe_queues, s->bmp_array,
- bmp_mem_size);
- if (s->bmp == NULL) {
- RTE_LOG(ERR, SCHED,
- "%s: Subport bitmap init error\n", __func__);
+ s->tb_credits = profile->tb_size / 2;
- rte_sched_free_memory(port, n_subports);
- return -EINVAL;
- }
+ s->tc_time = port->time + profile->tc_period;
- for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++)
- s->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID;
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ if (s->qsize[i])
+ s->tc_credits[i] =
+ profile->tc_credits_per_period[i];
+ else
+ profile->tc_credits_per_period[i] = 0;
#ifdef RTE_SCHED_SUBPORT_TC_OV
- /* TC oversubscription */
- s->tc_ov_wm_min = port->mtu;
- s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(params->tc_period,
- s->pipe_tc_be_rate_max);
- s->tc_ov_wm = s->tc_ov_wm_max;
- s->tc_ov_period_id = 0;
- s->tc_ov = 0;
- s->tc_ov_n = 0;
- s->tc_ov_rate = 0;
+ s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(profile->tc_period,
+ s->pipe_tc_be_rate_max);
#endif
+ s->profile = subport_profile_id;
+
+ }
- rte_sched_port_log_subport_config(port, subport_id);
+ rte_sched_port_log_subport_profile(port, subport_profile_id);
return 0;
}
int32_t pipe_profile)
{
struct rte_sched_subport *s;
+ struct rte_sched_subport_profile *sp;
struct rte_sched_pipe *p;
struct rte_sched_pipe_profile *params;
uint32_t n_subports = subport_id + 1;
return -EINVAL;
}
+ sp = port->subport_profiles + s->profile;
/* Handle the case when pipe already has a valid configuration */
p = s->pipe + pipe_id;
if (p->tb_time) {
params = s->pipe_profiles + p->profile;
double subport_tc_be_rate =
- (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
- / (double) s->tc_period;
+ (double)sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
+ / (double) sp->tc_period;
double pipe_tc_be_rate =
(double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) params->tc_period;
{
/* Subport best effort tc oversubscription */
double subport_tc_be_rate =
- (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
- / (double) s->tc_period;
+ (double)sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
+ / (double) sp->tc_period;
double pipe_tc_be_rate =
(double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) params->tc_period;
return 0;
}
+int
+rte_sched_port_subport_profile_add(struct rte_sched_port *port,
+ struct rte_sched_subport_profile_params *params,
+ uint32_t *subport_profile_id)
+{
+ int status;
+ uint32_t i;
+ struct rte_sched_subport_profile *dst;
+
+ /* Port */
+ if (port == NULL) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for parameter port\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params == NULL) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for parameter profile\n", __func__);
+ return -EINVAL;
+ }
+
+ if (subport_profile_id == NULL) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Incorrect value for parameter subport_profile_id\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ dst = port->subport_profiles + port->n_subport_profiles;
+
+ /* Subport profiles exceeds the max limit */
+ if (port->n_subport_profiles >= port->n_max_subport_profiles) {
+ RTE_LOG(ERR, SCHED, "%s: "
+ "Number of subport profiles exceeds the max limit\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ status = subport_profile_check(params, port->rate);
+ if (status != 0) {
+ RTE_LOG(ERR, SCHED,
+ "%s: subport profile check failed(%d)\n", __func__, status);
+ return -EINVAL;
+ }
+
+ rte_sched_subport_profile_convert(params, dst, port->rate);
+
+ /* Subport profile should not exists */
+ for (i = 0; i < port->n_subport_profiles; i++)
+ if (memcmp(port->subport_profiles + i,
+ dst, sizeof(*dst)) == 0) {
+ RTE_LOG(ERR, SCHED,
+ "%s: subport profile exists\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Subport profile commit */
+ *subport_profile_id = port->n_subport_profiles;
+ port->n_subport_profiles++;
+
+ rte_sched_port_log_subport_profile(port, *subport_profile_id);
+
+ return 0;
+}
+
static inline uint32_t
rte_sched_port_qindex(struct rte_sched_port *port,
uint32_t subport,
struct rte_sched_queue_stats *stats,
uint16_t *qlen)
{
+ struct rte_sched_subport *s;
struct rte_sched_queue *q;
struct rte_sched_queue_extra *qe;
+ uint32_t subport_id, subport_qmask, subport_qindex;
/* Check user parameters */
if (port == NULL) {
"%s: Incorrect value for parameter qlen\n", __func__);
return -EINVAL;
}
- q = port->queue + queue_id;
- qe = port->queue_extra + queue_id;
+ subport_qmask = port->n_pipes_per_subport_log2 + 4;
+ subport_id = (queue_id >> subport_qmask) & (port->n_subports_per_port - 1);
+
+ s = port->subports[subport_id];
+ subport_qindex = ((1 << subport_qmask) - 1) & queue_id;
+ q = s->queue + subport_qindex;
+ qe = s->queue_extra + subport_qindex;
/* Copy queue stats and clear */
memcpy(stats, &qe->stats, sizeof(struct rte_sched_queue_stats));
#ifdef RTE_SCHED_DEBUG
static inline int
-rte_sched_port_queue_is_empty(struct rte_sched_port *port, uint32_t qindex)
+rte_sched_port_queue_is_empty(struct rte_sched_subport *subport,
+ uint32_t qindex)
{
- struct rte_sched_queue *queue = port->queue + qindex;
+ struct rte_sched_queue *queue = subport->queue + qindex;
return queue->qr == queue->qw;
}
}
static inline void
-rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port, uint32_t qindex)
+rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t qindex)
{
- struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
+ struct rte_sched_queue_extra *qe = subport->queue_extra + qindex;
struct rte_red *red = &qe->red;
rte_red_mark_queue_empty(red, port->time);
return 0;
}
-#define rte_sched_port_set_queue_empty_timestamp(port, qindex)
+#define rte_sched_port_set_queue_empty_timestamp(port, subport, qindex)
#endif /* RTE_SCHED_RED */
#ifdef RTE_SCHED_DEBUG
static inline void
-debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos,
+debug_check_queue_slab(struct rte_sched_subport *subport, uint32_t bmp_pos,
uint64_t bmp_slab)
{
uint64_t mask;
panic = 0;
for (i = 0, mask = 1; i < 64; i++, mask <<= 1) {
if (mask & bmp_slab) {
- if (rte_sched_port_queue_is_empty(port, bmp_pos + i)) {
+ if (rte_sched_port_queue_is_empty(subport, bmp_pos + i)) {
printf("Queue %u (slab offset %u) is empty\n", bmp_pos + i, i);
panic = 1;
}
#ifndef RTE_SCHED_SUBPORT_TC_OV
static inline void
-grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_update(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
- struct rte_sched_subport *subport = grinder->subport;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *params = grinder->pipe_params;
+ struct rte_sched_subport_profile *sp = grinder->subport_params;
uint64_t n_periods;
uint32_t i;
/* Subport TB */
- n_periods = (port->time - subport->tb_time) / subport->tb_period;
- subport->tb_credits += n_periods * subport->tb_credits_per_period;
- subport->tb_credits = rte_sched_min_val_2_u32(subport->tb_credits, subport->tb_size);
- subport->tb_time += n_periods * subport->tb_period;
+ n_periods = (port->time - subport->tb_time) / sp->tb_period;
+ subport->tb_credits += n_periods * sp->tb_credits_per_period;
+ subport->tb_credits = RTE_MIN(subport->tb_credits, sp->tb_size);
+ subport->tb_time += n_periods * sp->tb_period;
/* Pipe TB */
n_periods = (port->time - pipe->tb_time) / params->tb_period;
pipe->tb_credits += n_periods * params->tb_credits_per_period;
- pipe->tb_credits = rte_sched_min_val_2_u32(pipe->tb_credits, params->tb_size);
+ pipe->tb_credits = RTE_MIN(pipe->tb_credits, params->tb_size);
pipe->tb_time += n_periods * params->tb_period;
/* Subport TCs */
if (unlikely(port->time >= subport->tc_time)) {
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- subport->tc_credits[i] = subport->tc_credits_per_period[i];
+ subport->tc_credits[i] = sp->tc_credits_per_period[i];
- subport->tc_time = port->time + subport->tc_period;
+ subport->tc_time = port->time + sp->tc_period;
}
/* Pipe TCs */
#else
-static inline uint32_t
-grinder_tc_ov_credits_update(struct rte_sched_port *port, uint32_t pos)
-{
- struct rte_sched_grinder *grinder = port->grinder + pos;
- struct rte_sched_subport *subport = grinder->subport;
- uint32_t tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- uint32_t tc_consumption = 0, tc_ov_consumption_max;
- uint32_t tc_ov_wm = subport->tc_ov_wm;
+static inline uint64_t
+grinder_tc_ov_credits_update(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
+{
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
+ struct rte_sched_subport_profile *sp = grinder->subport_params;
+ uint64_t tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ uint64_t tc_consumption = 0, tc_ov_consumption_max;
+ uint64_t tc_ov_wm = subport->tc_ov_wm;
uint32_t i;
if (subport->tc_ov == 0)
return subport->tc_ov_wm_max;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASS_BE; i++) {
- tc_ov_consumption[i] =
- subport->tc_credits_per_period[i] - subport->tc_credits[i];
+ tc_ov_consumption[i] = sp->tc_credits_per_period[i]
+ - subport->tc_credits[i];
tc_consumption += tc_ov_consumption[i];
}
tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] =
- subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+ sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
subport->tc_credits[RTE_SCHED_TRAFFIC_CLASS_BE];
tc_ov_consumption_max =
- subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+ sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
tc_consumption;
if (tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] >
}
static inline void
-grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_update(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
- struct rte_sched_subport *subport = grinder->subport;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *params = grinder->pipe_params;
+ struct rte_sched_subport_profile *sp = grinder->subport_params;
uint64_t n_periods;
uint32_t i;
/* Subport TB */
- n_periods = (port->time - subport->tb_time) / subport->tb_period;
- subport->tb_credits += n_periods * subport->tb_credits_per_period;
- subport->tb_credits = rte_sched_min_val_2_u32(subport->tb_credits, subport->tb_size);
- subport->tb_time += n_periods * subport->tb_period;
+ n_periods = (port->time - subport->tb_time) / sp->tb_period;
+ subport->tb_credits += n_periods * sp->tb_credits_per_period;
+ subport->tb_credits = RTE_MIN(subport->tb_credits, sp->tb_size);
+ subport->tb_time += n_periods * sp->tb_period;
/* Pipe TB */
n_periods = (port->time - pipe->tb_time) / params->tb_period;
pipe->tb_credits += n_periods * params->tb_credits_per_period;
- pipe->tb_credits = rte_sched_min_val_2_u32(pipe->tb_credits, params->tb_size);
+ pipe->tb_credits = RTE_MIN(pipe->tb_credits, params->tb_size);
pipe->tb_time += n_periods * params->tb_period;
/* Subport TCs */
if (unlikely(port->time >= subport->tc_time)) {
- subport->tc_ov_wm = grinder_tc_ov_credits_update(port, pos);
+ subport->tc_ov_wm =
+ grinder_tc_ov_credits_update(port, subport, pos);
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- subport->tc_credits[i] = subport->tc_credits_per_period[i];
+ subport->tc_credits[i] = sp->tc_credits_per_period[i];
- subport->tc_time = port->time + subport->tc_period;
+ subport->tc_time = port->time + sp->tc_period;
subport->tc_ov_period_id++;
}
#ifndef RTE_SCHED_SUBPORT_TC_OV
static inline int
-grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_check(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
- struct rte_sched_subport *subport = grinder->subport;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_mbuf *pkt = grinder->pkt;
uint32_t tc_index = grinder->tc_index;
- uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
- uint32_t subport_tb_credits = subport->tb_credits;
- uint32_t subport_tc_credits = subport->tc_credits[tc_index];
- uint32_t pipe_tb_credits = pipe->tb_credits;
- uint32_t pipe_tc_credits = pipe->tc_credits[tc_index];
+ uint64_t pkt_len = pkt->pkt_len + port->frame_overhead;
+ uint64_t subport_tb_credits = subport->tb_credits;
+ uint64_t subport_tc_credits = subport->tc_credits[tc_index];
+ uint64_t pipe_tb_credits = pipe->tb_credits;
+ uint64_t pipe_tc_credits = pipe->tc_credits[tc_index];
int enough_credits;
/* Check queue credits */
#else
static inline int
-grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_check(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
- struct rte_sched_subport *subport = grinder->subport;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_mbuf *pkt = grinder->pkt;
uint32_t tc_index = grinder->tc_index;
- uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
- uint32_t subport_tb_credits = subport->tb_credits;
- uint32_t subport_tc_credits = subport->tc_credits[tc_index];
- uint32_t pipe_tb_credits = pipe->tb_credits;
- uint32_t pipe_tc_credits = pipe->tc_credits[tc_index];
- uint32_t pipe_tc_ov_mask1[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- uint32_t pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE] = {0};
- uint32_t pipe_tc_ov_credits, i;
+ uint64_t pkt_len = pkt->pkt_len + port->frame_overhead;
+ uint64_t subport_tb_credits = subport->tb_credits;
+ uint64_t subport_tc_credits = subport->tc_credits[tc_index];
+ uint64_t pipe_tb_credits = pipe->tb_credits;
+ uint64_t pipe_tc_credits = pipe->tc_credits[tc_index];
+ uint64_t pipe_tc_ov_mask1[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ uint64_t pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE] = {0};
+ uint64_t pipe_tc_ov_credits;
+ uint32_t i;
int enough_credits;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- pipe_tc_ov_mask1[i] = UINT32_MAX;
+ pipe_tc_ov_mask1[i] = ~0LLU;
pipe_tc_ov_mask1[RTE_SCHED_TRAFFIC_CLASS_BE] = pipe->tc_ov_credits;
- pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASS_BE] = UINT32_MAX;
+ pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASS_BE] = ~0LLU;
pipe_tc_ov_credits = pipe_tc_ov_mask1[tc_index];
/* Check pipe and subport credits */
static inline int
-grinder_schedule(struct rte_sched_port *port, uint32_t pos)
+grinder_schedule(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_queue *queue = grinder->queue[grinder->qpos];
struct rte_mbuf *pkt = grinder->pkt;
uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
uint32_t be_tc_active;
- if (!grinder_credits_check(port, pos))
+ if (!grinder_credits_check(port, subport, pos))
return 0;
/* Advance port time */
if (queue->qr == queue->qw) {
uint32_t qindex = grinder->qindex[grinder->qpos];
- rte_bitmap_clear(port->bmp, qindex);
+ rte_bitmap_clear(subport->bmp, qindex);
grinder->qmask &= ~(1 << grinder->qpos);
if (be_tc_active)
grinder->wrr_mask[grinder->qpos] = 0;
- rte_sched_port_set_queue_empty_timestamp(port, qindex);
+ rte_sched_port_set_queue_empty_timestamp(port, subport, qindex);
}
/* Reset pipe loop detection */
- port->pipe_loop = RTE_SCHED_PIPE_INVALID;
+ subport->pipe_loop = RTE_SCHED_PIPE_INVALID;
grinder->productive = 1;
return 1;
#ifdef SCHED_VECTOR_SSE4
static inline int
-grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+grinder_pipe_exists(struct rte_sched_subport *subport, uint32_t base_pipe)
{
__m128i index = _mm_set1_epi32(base_pipe);
- __m128i pipes = _mm_load_si128((__m128i *)port->grinder_base_bmp_pos);
+ __m128i pipes = _mm_load_si128((__m128i *)subport->grinder_base_bmp_pos);
__m128i res = _mm_cmpeq_epi32(pipes, index);
- pipes = _mm_load_si128((__m128i *)(port->grinder_base_bmp_pos + 4));
+ pipes = _mm_load_si128((__m128i *)(subport->grinder_base_bmp_pos + 4));
pipes = _mm_cmpeq_epi32(pipes, index);
res = _mm_or_si128(res, pipes);
#elif defined(SCHED_VECTOR_NEON)
static inline int
-grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+grinder_pipe_exists(struct rte_sched_subport *subport, uint32_t base_pipe)
{
uint32x4_t index, pipes;
- uint32_t *pos = (uint32_t *)port->grinder_base_bmp_pos;
+ uint32_t *pos = (uint32_t *)subport->grinder_base_bmp_pos;
index = vmovq_n_u32(base_pipe);
pipes = vld1q_u32(pos);
#else
static inline int
-grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+grinder_pipe_exists(struct rte_sched_subport *subport, uint32_t base_pipe)
{
uint32_t i;
for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++) {
- if (port->grinder_base_bmp_pos[i] == base_pipe)
+ if (subport->grinder_base_bmp_pos[i] == base_pipe)
return 1;
}
#endif /* RTE_SCHED_OPTIMIZATIONS */
static inline void
-grinder_pcache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t bmp_pos, uint64_t bmp_slab)
+grinder_pcache_populate(struct rte_sched_subport *subport,
+ uint32_t pos, uint32_t bmp_pos, uint64_t bmp_slab)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
uint16_t w[4];
grinder->pcache_w = 0;
}
static inline void
-grinder_tccache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t qindex, uint16_t qmask)
+grinder_tccache_populate(struct rte_sched_subport *subport,
+ uint32_t pos, uint32_t qindex, uint16_t qmask)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
uint8_t b, i;
grinder->tccache_w = 0;
}
static inline int
-grinder_next_tc(struct rte_sched_port *port, uint32_t pos)
+grinder_next_tc(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_mbuf **qbase;
uint32_t qindex;
uint16_t qsize;
return 0;
qindex = grinder->tccache_qindex[grinder->tccache_r];
- qbase = rte_sched_port_qbase(port, qindex);
- qsize = rte_sched_port_qsize(port, qindex);
+ qbase = rte_sched_subport_pipe_qbase(subport, qindex);
+ qsize = rte_sched_subport_pipe_qsize(port, subport, qindex);
grinder->tc_index = rte_sched_port_pipe_tc(port, qindex);
grinder->qmask = grinder->tccache_qmask[grinder->tccache_r];
grinder->qsize = qsize;
if (grinder->tc_index < RTE_SCHED_TRAFFIC_CLASS_BE) {
- grinder->queue[0] = port->queue + qindex;
+ grinder->queue[0] = subport->queue + qindex;
grinder->qbase[0] = qbase;
grinder->qindex[0] = qindex;
grinder->tccache_r++;
return 1;
}
- grinder->queue[0] = port->queue + qindex;
- grinder->queue[1] = port->queue + qindex + 1;
- grinder->queue[2] = port->queue + qindex + 2;
- grinder->queue[3] = port->queue + qindex + 3;
+ grinder->queue[0] = subport->queue + qindex;
+ grinder->queue[1] = subport->queue + qindex + 1;
+ grinder->queue[2] = subport->queue + qindex + 2;
+ grinder->queue[3] = subport->queue + qindex + 3;
grinder->qbase[0] = qbase;
grinder->qbase[1] = qbase + qsize;
}
static inline int
-grinder_next_pipe(struct rte_sched_port *port, uint32_t pos)
+grinder_next_pipe(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
uint32_t pipe_qindex;
uint16_t pipe_qmask;
uint32_t bmp_pos = 0;
/* Get another non-empty pipe group */
- if (unlikely(rte_bitmap_scan(port->bmp, &bmp_pos, &bmp_slab) <= 0))
+ if (unlikely(rte_bitmap_scan(subport->bmp, &bmp_pos, &bmp_slab) <= 0))
return 0;
#ifdef RTE_SCHED_DEBUG
- debug_check_queue_slab(port, bmp_pos, bmp_slab);
+ debug_check_queue_slab(subport, bmp_pos, bmp_slab);
#endif
/* Return if pipe group already in one of the other grinders */
- port->grinder_base_bmp_pos[pos] = RTE_SCHED_BMP_POS_INVALID;
- if (unlikely(grinder_pipe_exists(port, bmp_pos)))
+ subport->grinder_base_bmp_pos[pos] = RTE_SCHED_BMP_POS_INVALID;
+ if (unlikely(grinder_pipe_exists(subport, bmp_pos)))
return 0;
- port->grinder_base_bmp_pos[pos] = bmp_pos;
+ subport->grinder_base_bmp_pos[pos] = bmp_pos;
/* Install new pipe group into grinder's pipe cache */
- grinder_pcache_populate(port, pos, bmp_pos, bmp_slab);
+ grinder_pcache_populate(subport, pos, bmp_pos, bmp_slab);
pipe_qmask = grinder->pcache_qmask[0];
pipe_qindex = grinder->pcache_qindex[0];
/* Install new pipe in the grinder */
grinder->pindex = pipe_qindex >> 4;
- grinder->subport = port->subport + (grinder->pindex / port->n_pipes_per_subport);
- grinder->pipe = port->pipe + grinder->pindex;
+ grinder->subport = subport;
+ grinder->pipe = subport->pipe + grinder->pindex;
grinder->pipe_params = NULL; /* to be set after the pipe structure is prefetched */
grinder->productive = 0;
- grinder_tccache_populate(port, pos, pipe_qindex, pipe_qmask);
- grinder_next_tc(port, pos);
+ grinder_tccache_populate(subport, pos, pipe_qindex, pipe_qmask);
+ grinder_next_tc(port, subport, pos);
/* Check for pipe exhaustion */
- if (grinder->pindex == port->pipe_loop) {
- port->pipe_exhaustion = 1;
- port->pipe_loop = RTE_SCHED_PIPE_INVALID;
+ if (grinder->pindex == subport->pipe_loop) {
+ subport->pipe_exhaustion = 1;
+ subport->pipe_loop = RTE_SCHED_PIPE_INVALID;
}
return 1;
static inline void
-grinder_wrr_load(struct rte_sched_port *port, uint32_t pos)
+grinder_wrr_load(struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *pipe_params = grinder->pipe_params;
uint32_t qmask = grinder->qmask;
}
static inline void
-grinder_wrr_store(struct rte_sched_port *port, uint32_t pos)
+grinder_wrr_store(struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
pipe->wrr_tokens[0] =
}
static inline void
-grinder_wrr(struct rte_sched_port *port, uint32_t pos)
+grinder_wrr(struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
uint16_t wrr_tokens_min;
grinder->wrr_tokens[0] |= ~grinder->wrr_mask[0];
}
-#define grinder_evict(port, pos)
+#define grinder_evict(subport, pos)
static inline void
-grinder_prefetch_pipe(struct rte_sched_port *port, uint32_t pos)
+grinder_prefetch_pipe(struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
rte_prefetch0(grinder->pipe);
rte_prefetch0(grinder->queue[0]);
}
static inline void
-grinder_prefetch_tc_queue_arrays(struct rte_sched_port *port, uint32_t pos)
+grinder_prefetch_tc_queue_arrays(struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
uint16_t qsize, qr[RTE_SCHED_MAX_QUEUES_PER_TC];
qsize = grinder->qsize;
rte_prefetch0(grinder->qbase[0] + qr[0]);
rte_prefetch0(grinder->qbase[1] + qr[1]);
- grinder_wrr_load(port, pos);
- grinder_wrr(port, pos);
+ grinder_wrr_load(subport, pos);
+ grinder_wrr(subport, pos);
rte_prefetch0(grinder->qbase[2] + qr[2]);
rte_prefetch0(grinder->qbase[3] + qr[3]);
}
static inline void
-grinder_prefetch_mbuf(struct rte_sched_port *port, uint32_t pos)
+grinder_prefetch_mbuf(struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
uint32_t qpos = grinder->qpos;
struct rte_mbuf **qbase = grinder->qbase[qpos];
uint16_t qsize = grinder->qsize;
}
static inline uint32_t
-grinder_handle(struct rte_sched_port *port, uint32_t pos)
+grinder_handle(struct rte_sched_port *port,
+ struct rte_sched_subport *subport, uint32_t pos)
{
- struct rte_sched_grinder *grinder = port->grinder + pos;
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
switch (grinder->state) {
case e_GRINDER_PREFETCH_PIPE:
{
- if (grinder_next_pipe(port, pos)) {
- grinder_prefetch_pipe(port, pos);
- port->busy_grinders++;
+ if (grinder_next_pipe(port, subport, pos)) {
+ grinder_prefetch_pipe(subport, pos);
+ subport->busy_grinders++;
grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS;
return 0;
{
struct rte_sched_pipe *pipe = grinder->pipe;
- grinder->pipe_params = port->pipe_profiles + pipe->profile;
- grinder_prefetch_tc_queue_arrays(port, pos);
- grinder_credits_update(port, pos);
+ grinder->pipe_params = subport->pipe_profiles + pipe->profile;
+ grinder->subport_params = port->subport_profiles +
+ subport->profile;
+
+ grinder_prefetch_tc_queue_arrays(subport, pos);
+ grinder_credits_update(port, subport, pos);
grinder->state = e_GRINDER_PREFETCH_MBUF;
return 0;
case e_GRINDER_PREFETCH_MBUF:
{
- grinder_prefetch_mbuf(port, pos);
+ grinder_prefetch_mbuf(subport, pos);
grinder->state = e_GRINDER_READ_MBUF;
return 0;
{
uint32_t wrr_active, result = 0;
- result = grinder_schedule(port, pos);
+ result = grinder_schedule(port, subport, pos);
wrr_active = (grinder->tc_index == RTE_SCHED_TRAFFIC_CLASS_BE);
/* Look for next packet within the same TC */
if (result && grinder->qmask) {
if (wrr_active)
- grinder_wrr(port, pos);
+ grinder_wrr(subport, pos);
- grinder_prefetch_mbuf(port, pos);
+ grinder_prefetch_mbuf(subport, pos);
return 1;
}
if (wrr_active)
- grinder_wrr_store(port, pos);
+ grinder_wrr_store(subport, pos);
/* Look for another active TC within same pipe */
- if (grinder_next_tc(port, pos)) {
- grinder_prefetch_tc_queue_arrays(port, pos);
+ if (grinder_next_tc(port, subport, pos)) {
+ grinder_prefetch_tc_queue_arrays(subport, pos);
grinder->state = e_GRINDER_PREFETCH_MBUF;
return result;
}
if (grinder->productive == 0 &&
- port->pipe_loop == RTE_SCHED_PIPE_INVALID)
- port->pipe_loop = grinder->pindex;
+ subport->pipe_loop == RTE_SCHED_PIPE_INVALID)
+ subport->pipe_loop = grinder->pindex;
- grinder_evict(port, pos);
+ grinder_evict(subport, pos);
/* Look for another active pipe */
- if (grinder_next_pipe(port, pos)) {
- grinder_prefetch_pipe(port, pos);
+ if (grinder_next_pipe(port, subport, pos)) {
+ grinder_prefetch_pipe(subport, pos);
grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS;
return result;
}
/* No active pipe found */
- port->busy_grinders--;
+ subport->busy_grinders--;
grinder->state = e_GRINDER_PREFETCH_PIPE;
return result;
rte_sched_port_time_resync(struct rte_sched_port *port)
{
uint64_t cycles = rte_get_tsc_cycles();
- uint64_t cycles_diff = cycles - port->time_cpu_cycles;
+ uint64_t cycles_diff;
uint64_t bytes_diff;
+ uint32_t i;
+
+ if (cycles < port->time_cpu_cycles)
+ port->time_cpu_cycles = 0;
+ cycles_diff = cycles - port->time_cpu_cycles;
/* Compute elapsed time in bytes */
bytes_diff = rte_reciprocal_divide(cycles_diff << RTE_SCHED_TIME_SHIFT,
port->inv_cycles_per_byte);
/* Advance port time */
- port->time_cpu_cycles = cycles;
+ port->time_cpu_cycles +=
+ (bytes_diff * port->cycles_per_byte) >> RTE_SCHED_TIME_SHIFT;
port->time_cpu_bytes += bytes_diff;
if (port->time < port->time_cpu_bytes)
port->time = port->time_cpu_bytes;
/* Reset pipe loop detection */
- port->pipe_loop = RTE_SCHED_PIPE_INVALID;
+ for (i = 0; i < port->n_subports_per_port; i++)
+ port->subports[i]->pipe_loop = RTE_SCHED_PIPE_INVALID;
}
static inline int
-rte_sched_port_exceptions(struct rte_sched_port *port, int second_pass)
+rte_sched_port_exceptions(struct rte_sched_subport *subport, int second_pass)
{
int exceptions;
/* Check if any exception flag is set */
- exceptions = (second_pass && port->busy_grinders == 0) ||
- (port->pipe_exhaustion == 1);
+ exceptions = (second_pass && subport->busy_grinders == 0) ||
+ (subport->pipe_exhaustion == 1);
/* Clear exception flags */
- port->pipe_exhaustion = 0;
+ subport->pipe_exhaustion = 0;
return exceptions;
}
int
rte_sched_port_dequeue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint32_t n_pkts)
{
- uint32_t i, count;
+ struct rte_sched_subport *subport;
+ uint32_t subport_id = port->subport_id;
+ uint32_t i, n_subports = 0, count;
port->pkts_out = pkts;
port->n_pkts_out = 0;
/* Take each queue in the grinder one step further */
for (i = 0, count = 0; ; i++) {
- count += grinder_handle(port, i & (RTE_SCHED_PORT_N_GRINDERS - 1));
- if ((count == n_pkts) ||
- rte_sched_port_exceptions(port, i >= RTE_SCHED_PORT_N_GRINDERS)) {
+ subport = port->subports[subport_id];
+
+ count += grinder_handle(port, subport,
+ i & (RTE_SCHED_PORT_N_GRINDERS - 1));
+
+ if (count == n_pkts) {
+ subport_id++;
+
+ if (subport_id == port->n_subports_per_port)
+ subport_id = 0;
+
+ port->subport_id = subport_id;
+ break;
+ }
+
+ if (rte_sched_port_exceptions(subport, i >= RTE_SCHED_PORT_N_GRINDERS)) {
+ i = 0;
+ subport_id++;
+ n_subports++;
+ }
+
+ if (subport_id == port->n_subports_per_port)
+ subport_id = 0;
+
+ if (n_subports == port->n_subports_per_port) {
+ port->subport_id = subport_id;
break;
}
}