--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <rte_common.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_cycles.h>
+#include <rte_prefetch.h>
+#include <rte_branch_prediction.h>
+#include <rte_mbuf.h>
+#include <rte_malloc.h>
+#include <rte_string_fns.h>
+
+#include "rte_pipeline.h"
+
+#define RTE_TABLE_INVALID UINT32_MAX
+
+#ifdef RTE_PIPELINE_STATS_COLLECT
+
+#define RTE_PIPELINE_STATS_AH_DROP_WRITE(p, mask) \
+ ({ (p)->n_pkts_ah_drop = __builtin_popcountll(mask); })
+
+#define RTE_PIPELINE_STATS_AH_DROP_READ(p, counter) \
+ ({ (counter) += (p)->n_pkts_ah_drop; (p)->n_pkts_ah_drop = 0; })
+
+#define RTE_PIPELINE_STATS_TABLE_DROP0(p) \
+ ({ (p)->pkts_drop_mask = (p)->action_mask0[RTE_PIPELINE_ACTION_DROP]; })
+
+#define RTE_PIPELINE_STATS_TABLE_DROP1(p, counter) \
+({ \
+ uint64_t mask = (p)->action_mask0[RTE_PIPELINE_ACTION_DROP]; \
+ mask ^= (p)->pkts_drop_mask; \
+ (counter) += __builtin_popcountll(mask); \
+})
+
+#else
+
+#define RTE_PIPELINE_STATS_AH_DROP_WRITE(p, mask)
+#define RTE_PIPELINE_STATS_AH_DROP_READ(p, counter)
+#define RTE_PIPELINE_STATS_TABLE_DROP0(p)
+#define RTE_PIPELINE_STATS_TABLE_DROP1(p, counter)
+
+#endif
+
+struct rte_port_in {
+ /* Input parameters */
+ struct rte_port_in_ops ops;
+ rte_pipeline_port_in_action_handler f_action;
+ void *arg_ah;
+ uint32_t burst_size;
+
+ /* The table to which this port is connected */
+ uint32_t table_id;
+
+ /* Handle to low-level port */
+ void *h_port;
+
+ /* List of enabled ports */
+ struct rte_port_in *next;
+
+ /* Statistics */
+ uint64_t n_pkts_dropped_by_ah;
+};
+
+struct rte_port_out {
+ /* Input parameters */
+ struct rte_port_out_ops ops;
+ rte_pipeline_port_out_action_handler f_action;
+ void *arg_ah;
+
+ /* Handle to low-level port */
+ void *h_port;
+
+ /* Statistics */
+ uint64_t n_pkts_dropped_by_ah;
+};
+
+struct rte_table {
+ /* Input parameters */
+ struct rte_table_ops ops;
+ rte_pipeline_table_action_handler_hit f_action_hit;
+ rte_pipeline_table_action_handler_miss f_action_miss;
+ void *arg_ah;
+ struct rte_pipeline_table_entry *default_entry;
+ uint32_t entry_size;
+
+ uint32_t table_next_id;
+ uint32_t table_next_id_valid;
+
+ /* Handle to the low-level table object */
+ void *h_table;
+
+ /* Statistics */
+ uint64_t n_pkts_dropped_by_lkp_hit_ah;
+ uint64_t n_pkts_dropped_by_lkp_miss_ah;
+ uint64_t n_pkts_dropped_lkp_hit;
+ uint64_t n_pkts_dropped_lkp_miss;
+};
+
+#define RTE_PIPELINE_MAX_NAME_SZ 124
+
+struct rte_pipeline {
+ /* Input parameters */
+ char name[RTE_PIPELINE_MAX_NAME_SZ];
+ int socket_id;
+ uint32_t offset_port_id;
+
+ /* Internal tables */
+ struct rte_port_in ports_in[RTE_PIPELINE_PORT_IN_MAX];
+ struct rte_port_out ports_out[RTE_PIPELINE_PORT_OUT_MAX];
+ struct rte_table tables[RTE_PIPELINE_TABLE_MAX];
+
+ /* Occupancy of internal tables */
+ uint32_t num_ports_in;
+ uint32_t num_ports_out;
+ uint32_t num_tables;
+
+ /* List of enabled ports */
+ uint64_t enabled_port_in_mask;
+ struct rte_port_in *port_in_next;
+
+ /* Pipeline run structures */
+ struct rte_mbuf *pkts[RTE_PORT_IN_BURST_SIZE_MAX];
+ struct rte_pipeline_table_entry *entries[RTE_PORT_IN_BURST_SIZE_MAX];
+ uint64_t action_mask0[RTE_PIPELINE_ACTIONS];
+ uint64_t action_mask1[RTE_PIPELINE_ACTIONS];
+ uint64_t pkts_mask;
+ uint64_t n_pkts_ah_drop;
+ uint64_t pkts_drop_mask;
+} __rte_cache_aligned;
+
+static inline uint32_t
+rte_mask_get_next(uint64_t mask, uint32_t pos)
+{
+ uint64_t mask_rot = (mask << ((63 - pos) & 0x3F)) |
+ (mask >> ((pos + 1) & 0x3F));
+ return (__builtin_ctzll(mask_rot) - (63 - pos)) & 0x3F;
+}
+
+static inline uint32_t
+rte_mask_get_prev(uint64_t mask, uint32_t pos)
+{
+ uint64_t mask_rot = (mask >> (pos & 0x3F)) |
+ (mask << ((64 - pos) & 0x3F));
+ return ((63 - __builtin_clzll(mask_rot)) + pos) & 0x3F;
+}
+
+static void
+rte_pipeline_table_free(struct rte_table *table);
+
+static void
+rte_pipeline_port_in_free(struct rte_port_in *port);
+
+static void
+rte_pipeline_port_out_free(struct rte_port_out *port);
+
+/*
+ * Pipeline
+ *
+ */
+static int
+rte_pipeline_check_params(struct rte_pipeline_params *params)
+{
+ if (params == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Incorrect value for parameter params\n", __func__);
+ return -EINVAL;
+ }
+
+ /* name */
+ if (params->name == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Incorrect value for parameter name\n", __func__);
+ return -EINVAL;
+ }
+
+ /* socket */
+ if ((params->socket_id < 0) ||
+ (params->socket_id >= RTE_MAX_NUMA_NODES)) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Incorrect value for parameter socket_id\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+struct rte_pipeline *
+rte_pipeline_create(struct rte_pipeline_params *params)
+{
+ struct rte_pipeline *p;
+ int status;
+
+ /* Check input parameters */
+ status = rte_pipeline_check_params(params);
+ if (status != 0) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Pipeline params check failed (%d)\n",
+ __func__, status);
+ return NULL;
+ }
+
+ /* Allocate memory for the pipeline on requested socket */
+ p = rte_zmalloc_socket("PIPELINE", sizeof(struct rte_pipeline),
+ RTE_CACHE_LINE_SIZE, params->socket_id);
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Pipeline memory allocation failed\n", __func__);
+ return NULL;
+ }
+
+ /* Save input parameters */
+ snprintf(p->name, RTE_PIPELINE_MAX_NAME_SZ, "%s", params->name);
+ p->socket_id = params->socket_id;
+ p->offset_port_id = params->offset_port_id;
+
+ /* Initialize pipeline internal data structure */
+ p->num_ports_in = 0;
+ p->num_ports_out = 0;
+ p->num_tables = 0;
+ p->enabled_port_in_mask = 0;
+ p->port_in_next = NULL;
+ p->pkts_mask = 0;
+ p->n_pkts_ah_drop = 0;
+
+ return p;
+}
+
+int
+rte_pipeline_free(struct rte_pipeline *p)
+{
+ uint32_t i;
+
+ /* Check input parameters */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: rte_pipeline parameter is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Free input ports */
+ for (i = 0; i < p->num_ports_in; i++) {
+ struct rte_port_in *port = &p->ports_in[i];
+
+ rte_pipeline_port_in_free(port);
+ }
+
+ /* Free tables */
+ for (i = 0; i < p->num_tables; i++) {
+ struct rte_table *table = &p->tables[i];
+
+ rte_pipeline_table_free(table);
+ }
+
+ /* Free output ports */
+ for (i = 0; i < p->num_ports_out; i++) {
+ struct rte_port_out *port = &p->ports_out[i];
+
+ rte_pipeline_port_out_free(port);
+ }
+
+ /* Free pipeline memory */
+ rte_free(p);
+
+ return 0;
+}
+
+/*
+ * Table
+ *
+ */
+static int
+rte_table_check_params(struct rte_pipeline *p,
+ struct rte_pipeline_table_params *params,
+ uint32_t *table_id)
+{
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (params == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: params parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (table_id == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: table_id parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* ops */
+ if (params->ops == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: params->ops is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_create == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_create function pointer is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_lookup == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_lookup function pointer is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ /* De we have room for one more table? */
+ if (p->num_tables == RTE_PIPELINE_TABLE_MAX) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Incorrect value for num_tables parameter\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int
+rte_pipeline_table_create(struct rte_pipeline *p,
+ struct rte_pipeline_table_params *params,
+ uint32_t *table_id)
+{
+ struct rte_table *table;
+ struct rte_pipeline_table_entry *default_entry;
+ void *h_table;
+ uint32_t entry_size, id;
+ int status;
+
+ /* Check input arguments */
+ status = rte_table_check_params(p, params, table_id);
+ if (status != 0)
+ return status;
+
+ id = p->num_tables;
+ table = &p->tables[id];
+
+ /* Allocate space for the default table entry */
+ entry_size = sizeof(struct rte_pipeline_table_entry) +
+ params->action_data_size;
+ default_entry = (struct rte_pipeline_table_entry *) rte_zmalloc_socket(
+ "PIPELINE", entry_size, RTE_CACHE_LINE_SIZE, p->socket_id);
+ if (default_entry == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Failed to allocate default entry\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Create the table */
+ h_table = params->ops->f_create(params->arg_create, p->socket_id,
+ entry_size);
+ if (h_table == NULL) {
+ rte_free(default_entry);
+ RTE_LOG(ERR, PIPELINE, "%s: Table creation failed\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Commit current table to the pipeline */
+ p->num_tables++;
+ *table_id = id;
+
+ /* Save input parameters */
+ memcpy(&table->ops, params->ops, sizeof(struct rte_table_ops));
+ table->f_action_hit = params->f_action_hit;
+ table->f_action_miss = params->f_action_miss;
+ table->arg_ah = params->arg_ah;
+ table->entry_size = entry_size;
+
+ /* Clear the lookup miss actions (to be set later through API) */
+ table->default_entry = default_entry;
+ table->default_entry->action = RTE_PIPELINE_ACTION_DROP;
+
+ /* Initialize table internal data structure */
+ table->h_table = h_table;
+ table->table_next_id = 0;
+ table->table_next_id_valid = 0;
+
+ return 0;
+}
+
+void
+rte_pipeline_table_free(struct rte_table *table)
+{
+ if (table->ops.f_free != NULL)
+ table->ops.f_free(table->h_table);
+
+ rte_free(table->default_entry);
+}
+
+int
+rte_pipeline_table_default_entry_add(struct rte_pipeline *p,
+ uint32_t table_id,
+ struct rte_pipeline_table_entry *default_entry,
+ struct rte_pipeline_table_entry **default_entry_ptr)
+{
+ struct rte_table *table;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (default_entry == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: default_entry parameter is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table_id %d out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+
+ if ((default_entry->action == RTE_PIPELINE_ACTION_TABLE) &&
+ table->table_next_id_valid &&
+ (default_entry->table_id != table->table_next_id)) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Tree-like topologies not allowed\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Set the lookup miss actions */
+ if ((default_entry->action == RTE_PIPELINE_ACTION_TABLE) &&
+ (table->table_next_id_valid == 0)) {
+ table->table_next_id = default_entry->table_id;
+ table->table_next_id_valid = 1;
+ }
+
+ memcpy(table->default_entry, default_entry, table->entry_size);
+
+ *default_entry_ptr = table->default_entry;
+ return 0;
+}
+
+int
+rte_pipeline_table_default_entry_delete(struct rte_pipeline *p,
+ uint32_t table_id,
+ struct rte_pipeline_table_entry *entry)
+{
+ struct rte_table *table;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: pipeline parameter is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table_id %d out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+
+ /* Save the current contents of the default entry */
+ if (entry)
+ memcpy(entry, table->default_entry, table->entry_size);
+
+ /* Clear the lookup miss actions */
+ memset(table->default_entry, 0, table->entry_size);
+ table->default_entry->action = RTE_PIPELINE_ACTION_DROP;
+
+ return 0;
+}
+
+int
+rte_pipeline_table_entry_add(struct rte_pipeline *p,
+ uint32_t table_id,
+ void *key,
+ struct rte_pipeline_table_entry *entry,
+ int *key_found,
+ struct rte_pipeline_table_entry **entry_ptr)
+{
+ struct rte_table *table;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (key == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: key parameter is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (entry == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: entry parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table_id %d out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+
+ if (table->ops.f_add == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: f_add function pointer NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if ((entry->action == RTE_PIPELINE_ACTION_TABLE) &&
+ table->table_next_id_valid &&
+ (entry->table_id != table->table_next_id)) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Tree-like topologies not allowed\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Add entry */
+ if ((entry->action == RTE_PIPELINE_ACTION_TABLE) &&
+ (table->table_next_id_valid == 0)) {
+ table->table_next_id = entry->table_id;
+ table->table_next_id_valid = 1;
+ }
+
+ return (table->ops.f_add)(table->h_table, key, (void *) entry,
+ key_found, (void **) entry_ptr);
+}
+
+int
+rte_pipeline_table_entry_delete(struct rte_pipeline *p,
+ uint32_t table_id,
+ void *key,
+ int *key_found,
+ struct rte_pipeline_table_entry *entry)
+{
+ struct rte_table *table;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (key == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: key parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table_id %d out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+
+ if (table->ops.f_delete == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_delete function pointer NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ return (table->ops.f_delete)(table->h_table, key, key_found, entry);
+}
+
+int rte_pipeline_table_entry_add_bulk(struct rte_pipeline *p,
+ uint32_t table_id,
+ void **keys,
+ struct rte_pipeline_table_entry **entries,
+ uint32_t n_keys,
+ int *key_found,
+ struct rte_pipeline_table_entry **entries_ptr)
+{
+ struct rte_table *table;
+ uint32_t i;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (keys == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: keys parameter is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (entries == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: entries parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table_id %d out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+
+ if (table->ops.f_add_bulk == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: f_add_bulk function pointer NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < n_keys; i++) {
+ if ((entries[i]->action == RTE_PIPELINE_ACTION_TABLE) &&
+ table->table_next_id_valid &&
+ (entries[i]->table_id != table->table_next_id)) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Tree-like topologies not allowed\n", __func__);
+ return -EINVAL;
+ }
+ }
+
+ /* Add entry */
+ for (i = 0; i < n_keys; i++) {
+ if ((entries[i]->action == RTE_PIPELINE_ACTION_TABLE) &&
+ (table->table_next_id_valid == 0)) {
+ table->table_next_id = entries[i]->table_id;
+ table->table_next_id_valid = 1;
+ }
+ }
+
+ return (table->ops.f_add_bulk)(table->h_table, keys, (void **) entries,
+ n_keys, key_found, (void **) entries_ptr);
+}
+
+int rte_pipeline_table_entry_delete_bulk(struct rte_pipeline *p,
+ uint32_t table_id,
+ void **keys,
+ uint32_t n_keys,
+ int *key_found,
+ struct rte_pipeline_table_entry **entries)
+{
+ struct rte_table *table;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (keys == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: key parameter is NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table_id %d out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+
+ if (table->ops.f_delete_bulk == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_delete function pointer NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ return (table->ops.f_delete_bulk)(table->h_table, keys, n_keys, key_found,
+ (void **) entries);
+}
+
+/*
+ * Port
+ *
+ */
+static int
+rte_pipeline_port_in_check_params(struct rte_pipeline *p,
+ struct rte_pipeline_port_in_params *params,
+ uint32_t *port_id)
+{
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (params == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: params parameter NULL\n", __func__);
+ return -EINVAL;
+ }
+ if (port_id == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: port_id parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* ops */
+ if (params->ops == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: params->ops parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_create == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_create function pointer NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_rx == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: f_rx function pointer NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* burst_size */
+ if ((params->burst_size == 0) ||
+ (params->burst_size > RTE_PORT_IN_BURST_SIZE_MAX)) {
+ RTE_LOG(ERR, PIPELINE, "%s: invalid value for burst_size\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* Do we have room for one more port? */
+ if (p->num_ports_in == RTE_PIPELINE_PORT_IN_MAX) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: invalid value for num_ports_in\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+rte_pipeline_port_out_check_params(struct rte_pipeline *p,
+ struct rte_pipeline_port_out_params *params,
+ uint32_t *port_id)
+{
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (params == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: params parameter NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (port_id == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: port_id parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* ops */
+ if (params->ops == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: params->ops parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_create == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_create function pointer NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_tx == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_tx function pointer NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (params->ops->f_tx_bulk == NULL) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: f_tx_bulk function pointer NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Do we have room for one more port? */
+ if (p->num_ports_out == RTE_PIPELINE_PORT_OUT_MAX) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: invalid value for num_ports_out\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int
+rte_pipeline_port_in_create(struct rte_pipeline *p,
+ struct rte_pipeline_port_in_params *params,
+ uint32_t *port_id)
+{
+ struct rte_port_in *port;
+ void *h_port;
+ uint32_t id;
+ int status;
+
+ /* Check input arguments */
+ status = rte_pipeline_port_in_check_params(p, params, port_id);
+ if (status != 0)
+ return status;
+
+ id = p->num_ports_in;
+ port = &p->ports_in[id];
+
+ /* Create the port */
+ h_port = params->ops->f_create(params->arg_create, p->socket_id);
+ if (h_port == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: Port creation failed\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Commit current table to the pipeline */
+ p->num_ports_in++;
+ *port_id = id;
+
+ /* Save input parameters */
+ memcpy(&port->ops, params->ops, sizeof(struct rte_port_in_ops));
+ port->f_action = params->f_action;
+ port->arg_ah = params->arg_ah;
+ port->burst_size = params->burst_size;
+
+ /* Initialize port internal data structure */
+ port->table_id = RTE_TABLE_INVALID;
+ port->h_port = h_port;
+ port->next = NULL;
+
+ return 0;
+}
+
+void
+rte_pipeline_port_in_free(struct rte_port_in *port)
+{
+ if (port->ops.f_free != NULL)
+ port->ops.f_free(port->h_port);
+}
+
+int
+rte_pipeline_port_out_create(struct rte_pipeline *p,
+ struct rte_pipeline_port_out_params *params,
+ uint32_t *port_id)
+{
+ struct rte_port_out *port;
+ void *h_port;
+ uint32_t id;
+ int status;
+
+ /* Check input arguments */
+ status = rte_pipeline_port_out_check_params(p, params, port_id);
+ if (status != 0)
+ return status;
+
+ id = p->num_ports_out;
+ port = &p->ports_out[id];
+
+ /* Create the port */
+ h_port = params->ops->f_create(params->arg_create, p->socket_id);
+ if (h_port == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: Port creation failed\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Commit current table to the pipeline */
+ p->num_ports_out++;
+ *port_id = id;
+
+ /* Save input parameters */
+ memcpy(&port->ops, params->ops, sizeof(struct rte_port_out_ops));
+ port->f_action = params->f_action;
+ port->arg_ah = params->arg_ah;
+
+ /* Initialize port internal data structure */
+ port->h_port = h_port;
+
+ return 0;
+}
+
+void
+rte_pipeline_port_out_free(struct rte_port_out *port)
+{
+ if (port->ops.f_free != NULL)
+ port->ops.f_free(port->h_port);
+}
+
+int
+rte_pipeline_port_in_connect_to_table(struct rte_pipeline *p,
+ uint32_t port_id,
+ uint32_t table_id)
+{
+ struct rte_port_in *port;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_in) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: port IN ID %u is out of range\n",
+ __func__, port_id);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Table ID %u is out of range\n",
+ __func__, table_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_in[port_id];
+ port->table_id = table_id;
+
+ return 0;
+}
+
+int
+rte_pipeline_port_in_enable(struct rte_pipeline *p, uint32_t port_id)
+{
+ struct rte_port_in *port, *port_prev, *port_next;
+ uint64_t port_mask;
+ uint32_t port_prev_id, port_next_id;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_in) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: port IN ID %u is out of range\n",
+ __func__, port_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_in[port_id];
+
+ /* Return if current input port is already enabled */
+ port_mask = 1LLU << port_id;
+ if (p->enabled_port_in_mask & port_mask)
+ return 0;
+
+ p->enabled_port_in_mask |= port_mask;
+
+ /* Add current input port to the pipeline chain of enabled ports */
+ port_prev_id = rte_mask_get_prev(p->enabled_port_in_mask, port_id);
+ port_next_id = rte_mask_get_next(p->enabled_port_in_mask, port_id);
+
+ port_prev = &p->ports_in[port_prev_id];
+ port_next = &p->ports_in[port_next_id];
+
+ port_prev->next = port;
+ port->next = port_next;
+
+ /* Check if list of enabled ports was previously empty */
+ if (p->enabled_port_in_mask == port_mask)
+ p->port_in_next = port;
+
+ return 0;
+}
+
+int
+rte_pipeline_port_in_disable(struct rte_pipeline *p, uint32_t port_id)
+{
+ struct rte_port_in *port, *port_prev, *port_next;
+ uint64_t port_mask;
+ uint32_t port_prev_id, port_next_id;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_in) {
+ RTE_LOG(ERR, PIPELINE, "%s: port IN ID %u is out of range\n",
+ __func__, port_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_in[port_id];
+
+ /* Return if current input port is already disabled */
+ port_mask = 1LLU << port_id;
+ if ((p->enabled_port_in_mask & port_mask) == 0)
+ return 0;
+
+ p->enabled_port_in_mask &= ~port_mask;
+
+ /* Return if no other enabled ports */
+ if (p->enabled_port_in_mask == 0) {
+ p->port_in_next = NULL;
+
+ return 0;
+ }
+
+ /* Add current input port to the pipeline chain of enabled ports */
+ port_prev_id = rte_mask_get_prev(p->enabled_port_in_mask, port_id);
+ port_next_id = rte_mask_get_next(p->enabled_port_in_mask, port_id);
+
+ port_prev = &p->ports_in[port_prev_id];
+ port_next = &p->ports_in[port_next_id];
+
+ port_prev->next = port_next;
+
+ /* Check if the port which has just been disabled is next to serve */
+ if (port == p->port_in_next)
+ p->port_in_next = port_next;
+
+ return 0;
+}
+
+/*
+ * Pipeline run-time
+ *
+ */
+int
+rte_pipeline_check(struct rte_pipeline *p)
+{
+ uint32_t port_in_id;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* Check that pipeline has at least one input port, one table and one
+ output port */
+ if (p->num_ports_in == 0) {
+ RTE_LOG(ERR, PIPELINE, "%s: must have at least 1 input port\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (p->num_tables == 0) {
+ RTE_LOG(ERR, PIPELINE, "%s: must have at least 1 table\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (p->num_ports_out == 0) {
+ RTE_LOG(ERR, PIPELINE, "%s: must have at least 1 output port\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /* Check that all input ports are connected */
+ for (port_in_id = 0; port_in_id < p->num_ports_in; port_in_id++) {
+ struct rte_port_in *port_in = &p->ports_in[port_in_id];
+
+ if (port_in->table_id == RTE_TABLE_INVALID) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: Port IN ID %u is not connected\n",
+ __func__, port_in_id);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static inline void
+rte_pipeline_compute_masks(struct rte_pipeline *p, uint64_t pkts_mask)
+{
+ p->action_mask1[RTE_PIPELINE_ACTION_DROP] = 0;
+ p->action_mask1[RTE_PIPELINE_ACTION_PORT] = 0;
+ p->action_mask1[RTE_PIPELINE_ACTION_PORT_META] = 0;
+ p->action_mask1[RTE_PIPELINE_ACTION_TABLE] = 0;
+
+ if ((pkts_mask & (pkts_mask + 1)) == 0) {
+ uint64_t n_pkts = __builtin_popcountll(pkts_mask);
+ uint32_t i;
+
+ for (i = 0; i < n_pkts; i++) {
+ uint64_t pkt_mask = 1LLU << i;
+ uint32_t pos = p->entries[i]->action;
+
+ p->action_mask1[pos] |= pkt_mask;
+ }
+ } else {
+ uint32_t i;
+
+ for (i = 0; i < RTE_PORT_IN_BURST_SIZE_MAX; i++) {
+ uint64_t pkt_mask = 1LLU << i;
+ uint32_t pos;
+
+ if ((pkt_mask & pkts_mask) == 0)
+ continue;
+
+ pos = p->entries[i]->action;
+ p->action_mask1[pos] |= pkt_mask;
+ }
+ }
+}
+
+static inline void
+rte_pipeline_action_handler_port_bulk(struct rte_pipeline *p,
+ uint64_t pkts_mask, uint32_t port_id)
+{
+ struct rte_port_out *port_out = &p->ports_out[port_id];
+
+ p->pkts_mask = pkts_mask;
+
+ /* Output port user actions */
+ if (port_out->f_action != NULL) {
+ port_out->f_action(p, p->pkts, pkts_mask, port_out->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ port_out->n_pkts_dropped_by_ah);
+ }
+
+ /* Output port TX */
+ if (p->pkts_mask != 0)
+ port_out->ops.f_tx_bulk(port_out->h_port,
+ p->pkts,
+ p->pkts_mask);
+}
+
+static inline void
+rte_pipeline_action_handler_port(struct rte_pipeline *p, uint64_t pkts_mask)
+{
+ p->pkts_mask = pkts_mask;
+
+ if ((pkts_mask & (pkts_mask + 1)) == 0) {
+ uint64_t n_pkts = __builtin_popcountll(pkts_mask);
+ uint32_t i;
+
+ for (i = 0; i < n_pkts; i++) {
+ struct rte_mbuf *pkt = p->pkts[i];
+ uint32_t port_out_id = p->entries[i]->port_id;
+ struct rte_port_out *port_out =
+ &p->ports_out[port_out_id];
+
+ /* Output port user actions */
+ if (port_out->f_action == NULL) /* Output port TX */
+ port_out->ops.f_tx(port_out->h_port, pkt);
+ else {
+ uint64_t pkt_mask = 1LLU << i;
+
+ port_out->f_action(p,
+ p->pkts,
+ pkt_mask,
+ port_out->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ port_out->n_pkts_dropped_by_ah);
+
+ /* Output port TX */
+ if (pkt_mask & p->pkts_mask)
+ port_out->ops.f_tx(port_out->h_port,
+ pkt);
+ }
+ }
+ } else {
+ uint32_t i;
+
+ for (i = 0; i < RTE_PORT_IN_BURST_SIZE_MAX; i++) {
+ uint64_t pkt_mask = 1LLU << i;
+ struct rte_mbuf *pkt;
+ struct rte_port_out *port_out;
+ uint32_t port_out_id;
+
+ if ((pkt_mask & pkts_mask) == 0)
+ continue;
+
+ pkt = p->pkts[i];
+ port_out_id = p->entries[i]->port_id;
+ port_out = &p->ports_out[port_out_id];
+
+ /* Output port user actions */
+ if (port_out->f_action == NULL) /* Output port TX */
+ port_out->ops.f_tx(port_out->h_port, pkt);
+ else {
+ port_out->f_action(p,
+ p->pkts,
+ pkt_mask,
+ port_out->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ port_out->n_pkts_dropped_by_ah);
+
+ /* Output port TX */
+ if (pkt_mask & p->pkts_mask)
+ port_out->ops.f_tx(port_out->h_port,
+ pkt);
+ }
+ }
+ }
+}
+
+static inline void
+rte_pipeline_action_handler_port_meta(struct rte_pipeline *p,
+ uint64_t pkts_mask)
+{
+ p->pkts_mask = pkts_mask;
+
+ if ((pkts_mask & (pkts_mask + 1)) == 0) {
+ uint64_t n_pkts = __builtin_popcountll(pkts_mask);
+ uint32_t i;
+
+ for (i = 0; i < n_pkts; i++) {
+ struct rte_mbuf *pkt = p->pkts[i];
+ uint32_t port_out_id =
+ RTE_MBUF_METADATA_UINT32(pkt,
+ p->offset_port_id);
+ struct rte_port_out *port_out = &p->ports_out[
+ port_out_id];
+
+ /* Output port user actions */
+ if (port_out->f_action == NULL) /* Output port TX */
+ port_out->ops.f_tx(port_out->h_port, pkt);
+ else {
+ uint64_t pkt_mask = 1LLU << i;
+
+ port_out->f_action(p,
+ p->pkts,
+ pkt_mask,
+ port_out->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ port_out->n_pkts_dropped_by_ah);
+
+ /* Output port TX */
+ if (pkt_mask & p->pkts_mask)
+ port_out->ops.f_tx(port_out->h_port,
+ pkt);
+ }
+ }
+ } else {
+ uint32_t i;
+
+ for (i = 0; i < RTE_PORT_IN_BURST_SIZE_MAX; i++) {
+ uint64_t pkt_mask = 1LLU << i;
+ struct rte_mbuf *pkt;
+ struct rte_port_out *port_out;
+ uint32_t port_out_id;
+
+ if ((pkt_mask & pkts_mask) == 0)
+ continue;
+
+ pkt = p->pkts[i];
+ port_out_id = RTE_MBUF_METADATA_UINT32(pkt,
+ p->offset_port_id);
+ port_out = &p->ports_out[port_out_id];
+
+ /* Output port user actions */
+ if (port_out->f_action == NULL) /* Output port TX */
+ port_out->ops.f_tx(port_out->h_port, pkt);
+ else {
+ port_out->f_action(p,
+ p->pkts,
+ pkt_mask,
+ port_out->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ port_out->n_pkts_dropped_by_ah);
+
+ /* Output port TX */
+ if (pkt_mask & p->pkts_mask)
+ port_out->ops.f_tx(port_out->h_port,
+ pkt);
+ }
+ }
+ }
+}
+
+static inline void
+rte_pipeline_action_handler_drop(struct rte_pipeline *p, uint64_t pkts_mask)
+{
+ if ((pkts_mask & (pkts_mask + 1)) == 0) {
+ uint64_t n_pkts = __builtin_popcountll(pkts_mask);
+ uint32_t i;
+
+ for (i = 0; i < n_pkts; i++)
+ rte_pktmbuf_free(p->pkts[i]);
+ } else {
+ uint32_t i;
+
+ for (i = 0; i < RTE_PORT_IN_BURST_SIZE_MAX; i++) {
+ uint64_t pkt_mask = 1LLU << i;
+
+ if ((pkt_mask & pkts_mask) == 0)
+ continue;
+
+ rte_pktmbuf_free(p->pkts[i]);
+ }
+ }
+}
+
+int
+rte_pipeline_run(struct rte_pipeline *p)
+{
+ struct rte_port_in *port_in = p->port_in_next;
+ uint32_t n_pkts, table_id;
+
+ if (port_in == NULL)
+ return 0;
+
+ /* Input port RX */
+ n_pkts = port_in->ops.f_rx(port_in->h_port, p->pkts,
+ port_in->burst_size);
+ if (n_pkts == 0) {
+ p->port_in_next = port_in->next;
+ return 0;
+ }
+
+ p->pkts_mask = RTE_LEN2MASK(n_pkts, uint64_t);
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP] = 0;
+ p->action_mask0[RTE_PIPELINE_ACTION_PORT] = 0;
+ p->action_mask0[RTE_PIPELINE_ACTION_PORT_META] = 0;
+ p->action_mask0[RTE_PIPELINE_ACTION_TABLE] = 0;
+
+ /* Input port user actions */
+ if (port_in->f_action != NULL) {
+ port_in->f_action(p, p->pkts, n_pkts, port_in->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ port_in->n_pkts_dropped_by_ah);
+ }
+
+ /* Table */
+ for (table_id = port_in->table_id; p->pkts_mask != 0; ) {
+ struct rte_table *table;
+ uint64_t lookup_hit_mask, lookup_miss_mask;
+
+ /* Lookup */
+ table = &p->tables[table_id];
+ table->ops.f_lookup(table->h_table, p->pkts, p->pkts_mask,
+ &lookup_hit_mask, (void **) p->entries);
+ lookup_miss_mask = p->pkts_mask & (~lookup_hit_mask);
+
+ /* Lookup miss */
+ if (lookup_miss_mask != 0) {
+ struct rte_pipeline_table_entry *default_entry =
+ table->default_entry;
+
+ p->pkts_mask = lookup_miss_mask;
+
+ /* Table user actions */
+ if (table->f_action_miss != NULL) {
+ table->f_action_miss(p,
+ p->pkts,
+ lookup_miss_mask,
+ default_entry,
+ table->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ table->n_pkts_dropped_by_lkp_miss_ah);
+ }
+
+ /* Table reserved actions */
+ if ((default_entry->action == RTE_PIPELINE_ACTION_PORT) &&
+ (p->pkts_mask != 0))
+ rte_pipeline_action_handler_port_bulk(p,
+ p->pkts_mask,
+ default_entry->port_id);
+ else {
+ uint32_t pos = default_entry->action;
+
+ RTE_PIPELINE_STATS_TABLE_DROP0(p);
+
+ p->action_mask0[pos] |= p->pkts_mask;
+
+ RTE_PIPELINE_STATS_TABLE_DROP1(p,
+ table->n_pkts_dropped_lkp_miss);
+ }
+ }
+
+ /* Lookup hit */
+ if (lookup_hit_mask != 0) {
+ p->pkts_mask = lookup_hit_mask;
+
+ /* Table user actions */
+ if (table->f_action_hit != NULL) {
+ table->f_action_hit(p,
+ p->pkts,
+ lookup_hit_mask,
+ p->entries,
+ table->arg_ah);
+
+ RTE_PIPELINE_STATS_AH_DROP_READ(p,
+ table->n_pkts_dropped_by_lkp_hit_ah);
+ }
+
+ /* Table reserved actions */
+ RTE_PIPELINE_STATS_TABLE_DROP0(p);
+ rte_pipeline_compute_masks(p, p->pkts_mask);
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
+ p->action_mask1[
+ RTE_PIPELINE_ACTION_DROP];
+ p->action_mask0[RTE_PIPELINE_ACTION_PORT] |=
+ p->action_mask1[
+ RTE_PIPELINE_ACTION_PORT];
+ p->action_mask0[RTE_PIPELINE_ACTION_PORT_META] |=
+ p->action_mask1[
+ RTE_PIPELINE_ACTION_PORT_META];
+ p->action_mask0[RTE_PIPELINE_ACTION_TABLE] |=
+ p->action_mask1[
+ RTE_PIPELINE_ACTION_TABLE];
+
+ RTE_PIPELINE_STATS_TABLE_DROP1(p,
+ table->n_pkts_dropped_lkp_hit);
+ }
+
+ /* Prepare for next iteration */
+ p->pkts_mask = p->action_mask0[RTE_PIPELINE_ACTION_TABLE];
+ table_id = table->table_next_id;
+ p->action_mask0[RTE_PIPELINE_ACTION_TABLE] = 0;
+ }
+
+ /* Table reserved action PORT */
+ rte_pipeline_action_handler_port(p,
+ p->action_mask0[RTE_PIPELINE_ACTION_PORT]);
+
+ /* Table reserved action PORT META */
+ rte_pipeline_action_handler_port_meta(p,
+ p->action_mask0[RTE_PIPELINE_ACTION_PORT_META]);
+
+ /* Table reserved action DROP */
+ rte_pipeline_action_handler_drop(p,
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP]);
+
+ /* Pick candidate for next port IN to serve */
+ p->port_in_next = port_in->next;
+
+ return (int) n_pkts;
+}
+
+int
+rte_pipeline_flush(struct rte_pipeline *p)
+{
+ uint32_t port_id;
+
+ /* Check input arguments */
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ for (port_id = 0; port_id < p->num_ports_out; port_id++) {
+ struct rte_port_out *port = &p->ports_out[port_id];
+
+ if (port->ops.f_flush != NULL)
+ port->ops.f_flush(port->h_port);
+ }
+
+ return 0;
+}
+
+int
+rte_pipeline_port_out_packet_insert(struct rte_pipeline *p,
+ uint32_t port_id, struct rte_mbuf *pkt)
+{
+ struct rte_port_out *port_out = &p->ports_out[port_id];
+
+ port_out->ops.f_tx(port_out->h_port, pkt); /* Output port TX */
+
+ return 0;
+}
+
+int rte_pipeline_ah_packet_hijack(struct rte_pipeline *p,
+ uint64_t pkts_mask)
+{
+ pkts_mask &= p->pkts_mask;
+ p->pkts_mask &= ~pkts_mask;
+
+ return 0;
+}
+
+int rte_pipeline_ah_packet_drop(struct rte_pipeline *p,
+ uint64_t pkts_mask)
+{
+ pkts_mask &= p->pkts_mask;
+ p->pkts_mask &= ~pkts_mask;
+ p->action_mask0[RTE_PIPELINE_ACTION_DROP] |= pkts_mask;
+
+ RTE_PIPELINE_STATS_AH_DROP_WRITE(p, pkts_mask);
+ return 0;
+}
+
+int rte_pipeline_port_in_stats_read(struct rte_pipeline *p, uint32_t port_id,
+ struct rte_pipeline_port_in_stats *stats, int clear)
+{
+ struct rte_port_in *port;
+ int retval;
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_in) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: port IN ID %u is out of range\n",
+ __func__, port_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_in[port_id];
+
+ if (port->ops.f_stats != NULL) {
+ retval = port->ops.f_stats(port->h_port, &stats->stats, clear);
+ if (retval)
+ return retval;
+ } else if (stats != NULL)
+ memset(&stats->stats, 0, sizeof(stats->stats));
+
+ if (stats != NULL)
+ stats->n_pkts_dropped_by_ah = port->n_pkts_dropped_by_ah;
+
+ if (clear != 0)
+ port->n_pkts_dropped_by_ah = 0;
+
+ return 0;
+}
+
+int rte_pipeline_port_out_stats_read(struct rte_pipeline *p, uint32_t port_id,
+ struct rte_pipeline_port_out_stats *stats, int clear)
+{
+ struct rte_port_out *port;
+ int retval;
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (port_id >= p->num_ports_out) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: port OUT ID %u is out of range\n", __func__, port_id);
+ return -EINVAL;
+ }
+
+ port = &p->ports_out[port_id];
+ if (port->ops.f_stats != NULL) {
+ retval = port->ops.f_stats(port->h_port, &stats->stats, clear);
+ if (retval != 0)
+ return retval;
+ } else if (stats != NULL)
+ memset(&stats->stats, 0, sizeof(stats->stats));
+
+ if (stats != NULL)
+ stats->n_pkts_dropped_by_ah = port->n_pkts_dropped_by_ah;
+
+ if (clear != 0)
+ port->n_pkts_dropped_by_ah = 0;
+
+ return 0;
+}
+
+int rte_pipeline_table_stats_read(struct rte_pipeline *p, uint32_t table_id,
+ struct rte_pipeline_table_stats *stats, int clear)
+{
+ struct rte_table *table;
+ int retval;
+
+ if (p == NULL) {
+ RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter NULL\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ if (table_id >= p->num_tables) {
+ RTE_LOG(ERR, PIPELINE,
+ "%s: table %u is out of range\n", __func__, table_id);
+ return -EINVAL;
+ }
+
+ table = &p->tables[table_id];
+ if (table->ops.f_stats != NULL) {
+ retval = table->ops.f_stats(table->h_table, &stats->stats, clear);
+ if (retval != 0)
+ return retval;
+ } else if (stats != NULL)
+ memset(&stats->stats, 0, sizeof(stats->stats));
+
+ if (stats != NULL) {
+ stats->n_pkts_dropped_by_lkp_hit_ah =
+ table->n_pkts_dropped_by_lkp_hit_ah;
+ stats->n_pkts_dropped_by_lkp_miss_ah =
+ table->n_pkts_dropped_by_lkp_miss_ah;
+ stats->n_pkts_dropped_lkp_hit = table->n_pkts_dropped_lkp_hit;
+ stats->n_pkts_dropped_lkp_miss = table->n_pkts_dropped_lkp_miss;
+ }
+
+ if (clear != 0) {
+ table->n_pkts_dropped_by_lkp_hit_ah = 0;
+ table->n_pkts_dropped_by_lkp_miss_ah = 0;
+ table->n_pkts_dropped_lkp_hit = 0;
+ table->n_pkts_dropped_lkp_miss = 0;
+ }
+
+ return 0;
+}
Code Review / deb_dpdk.git / blobdiff