fdf20fa7be
CACHE_LINE_SIZE is a macro defined in machine/param.h in FreeBSD and conflicts with DPDK macro version. Adding RTE_ prefix to avoid conflicts. CACHE_LINE_MASK and CACHE_LINE_ROUNDUP are also prefixed. Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com> [Thomas: updated on HEAD, including PPC]
1374 lines
33 KiB
C
1374 lines
33 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <rte_common.h>
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#include <rte_memory.h>
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#include <rte_memzone.h>
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#include <rte_cycles.h>
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#include <rte_prefetch.h>
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#include <rte_branch_prediction.h>
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#include <rte_mbuf.h>
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#include <rte_malloc.h>
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#include <rte_string_fns.h>
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#include "rte_pipeline.h"
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#define RTE_TABLE_INVALID UINT32_MAX
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struct rte_port_in {
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/* Input parameters */
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struct rte_port_in_ops ops;
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rte_pipeline_port_in_action_handler f_action;
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void *arg_ah;
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uint32_t burst_size;
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/* The table to which this port is connected */
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uint32_t table_id;
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/* Handle to low-level port */
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void *h_port;
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/* List of enabled ports */
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struct rte_port_in *next;
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};
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struct rte_port_out {
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/* Input parameters */
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struct rte_port_out_ops ops;
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rte_pipeline_port_out_action_handler f_action;
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rte_pipeline_port_out_action_handler_bulk f_action_bulk;
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void *arg_ah;
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/* Handle to low-level port */
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void *h_port;
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};
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struct rte_table {
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/* Input parameters */
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struct rte_table_ops ops;
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rte_pipeline_table_action_handler_hit f_action_hit;
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rte_pipeline_table_action_handler_miss f_action_miss;
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void *arg_ah;
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struct rte_pipeline_table_entry *default_entry;
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uint32_t entry_size;
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uint32_t table_next_id;
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uint32_t table_next_id_valid;
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/* Handle to the low-level table object */
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void *h_table;
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};
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#define RTE_PIPELINE_MAX_NAME_SZ 124
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struct rte_pipeline {
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/* Input parameters */
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char name[RTE_PIPELINE_MAX_NAME_SZ];
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int socket_id;
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uint32_t offset_port_id;
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/* Internal tables */
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struct rte_port_in ports_in[RTE_PIPELINE_PORT_IN_MAX];
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struct rte_port_out ports_out[RTE_PIPELINE_PORT_OUT_MAX];
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struct rte_table tables[RTE_PIPELINE_TABLE_MAX];
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/* Occupancy of internal tables */
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uint32_t num_ports_in;
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uint32_t num_ports_out;
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uint32_t num_tables;
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/* List of enabled ports */
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uint64_t enabled_port_in_mask;
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struct rte_port_in *port_in_first;
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/* Pipeline run structures */
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struct rte_mbuf *pkts[RTE_PORT_IN_BURST_SIZE_MAX];
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struct rte_pipeline_table_entry *entries[RTE_PORT_IN_BURST_SIZE_MAX];
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uint64_t action_mask0[RTE_PIPELINE_ACTIONS];
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uint64_t action_mask1[RTE_PIPELINE_ACTIONS];
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} __rte_cache_aligned;
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static inline uint32_t
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rte_mask_get_next(uint64_t mask, uint32_t pos)
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{
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uint64_t mask_rot = (mask << ((63 - pos) & 0x3F)) |
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(mask >> ((pos + 1) & 0x3F));
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return (__builtin_ctzll(mask_rot) - (63 - pos)) & 0x3F;
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}
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static inline uint32_t
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rte_mask_get_prev(uint64_t mask, uint32_t pos)
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{
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uint64_t mask_rot = (mask >> (pos & 0x3F)) |
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(mask << ((64 - pos) & 0x3F));
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return ((63 - __builtin_clzll(mask_rot)) + pos) & 0x3F;
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}
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static void
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rte_pipeline_table_free(struct rte_table *table);
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static void
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rte_pipeline_port_in_free(struct rte_port_in *port);
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static void
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rte_pipeline_port_out_free(struct rte_port_out *port);
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/*
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* Pipeline
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*
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*/
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static int
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rte_pipeline_check_params(struct rte_pipeline_params *params)
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{
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if (params == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Incorrect value for parameter params\n", __func__);
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return -EINVAL;
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}
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/* name */
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if (params->name == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Incorrect value for parameter name\n", __func__);
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return -EINVAL;
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}
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/* socket */
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if ((params->socket_id < 0) ||
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(params->socket_id >= RTE_MAX_NUMA_NODES)) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Incorrect value for parameter socket_id\n",
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__func__);
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return -EINVAL;
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}
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/* offset_port_id */
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if (params->offset_port_id & 0x3) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Incorrect value for parameter offset_port_id\n",
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__func__);
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return -EINVAL;
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}
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return 0;
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}
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struct rte_pipeline *
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rte_pipeline_create(struct rte_pipeline_params *params)
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{
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struct rte_pipeline *p;
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int status;
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/* Check input parameters */
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status = rte_pipeline_check_params(params);
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if (status != 0) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Pipeline params check failed (%d)\n",
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__func__, status);
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return NULL;
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}
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/* Allocate memory for the pipeline on requested socket */
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p = rte_zmalloc_socket("PIPELINE", sizeof(struct rte_pipeline),
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RTE_CACHE_LINE_SIZE, params->socket_id);
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if (p == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Pipeline memory allocation failed\n", __func__);
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return NULL;
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}
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/* Save input parameters */
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snprintf(p->name, RTE_PIPELINE_MAX_NAME_SZ, "%s", params->name);
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p->socket_id = params->socket_id;
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p->offset_port_id = params->offset_port_id;
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/* Initialize pipeline internal data structure */
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p->num_ports_in = 0;
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p->num_ports_out = 0;
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p->num_tables = 0;
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p->enabled_port_in_mask = 0;
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p->port_in_first = NULL;
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return p;
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}
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int
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rte_pipeline_free(struct rte_pipeline *p)
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{
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uint32_t i;
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/* Check input parameters */
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if (p == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: rte_pipeline parameter is NULL\n", __func__);
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return -EINVAL;
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}
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/* Free input ports */
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for (i = 0; i < p->num_ports_in; i++) {
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struct rte_port_in *port = &p->ports_in[i];
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rte_pipeline_port_in_free(port);
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}
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/* Free tables */
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for (i = 0; i < p->num_tables; i++) {
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struct rte_table *table = &p->tables[i];
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rte_pipeline_table_free(table);
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}
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/* Free output ports */
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for (i = 0; i < p->num_ports_out; i++) {
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struct rte_port_out *port = &p->ports_out[i];
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rte_pipeline_port_out_free(port);
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}
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/* Free pipeline memory */
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rte_free(p);
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return 0;
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}
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/*
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* Table
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*
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*/
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static int
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rte_table_check_params(struct rte_pipeline *p,
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struct rte_pipeline_table_params *params,
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uint32_t *table_id)
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{
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if (p == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
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__func__);
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return -EINVAL;
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}
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if (params == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: params parameter is NULL\n",
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__func__);
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return -EINVAL;
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}
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if (table_id == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: table_id parameter is NULL\n",
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__func__);
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return -EINVAL;
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}
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/* ops */
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if (params->ops == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: params->ops is NULL\n",
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__func__);
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return -EINVAL;
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}
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if (params->ops->f_create == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: f_create function pointer is NULL\n", __func__);
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return -EINVAL;
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}
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if (params->ops->f_lookup == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: f_lookup function pointer is NULL\n", __func__);
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return -EINVAL;
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}
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/* De we have room for one more table? */
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if (p->num_tables == RTE_PIPELINE_TABLE_MAX) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Incorrect value for num_tables parameter\n",
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__func__);
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return -EINVAL;
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}
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return 0;
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}
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int
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rte_pipeline_table_create(struct rte_pipeline *p,
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struct rte_pipeline_table_params *params,
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uint32_t *table_id)
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{
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struct rte_table *table;
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struct rte_pipeline_table_entry *default_entry;
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void *h_table;
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uint32_t entry_size, id;
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int status;
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/* Check input arguments */
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status = rte_table_check_params(p, params, table_id);
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if (status != 0)
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return status;
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id = p->num_tables;
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table = &p->tables[id];
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/* Allocate space for the default table entry */
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entry_size = sizeof(struct rte_pipeline_table_entry) +
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params->action_data_size;
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default_entry = (struct rte_pipeline_table_entry *) rte_zmalloc_socket(
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"PIPELINE", entry_size, RTE_CACHE_LINE_SIZE, p->socket_id);
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if (default_entry == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Failed to allocate default entry\n", __func__);
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return -EINVAL;
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}
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/* Create the table */
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h_table = params->ops->f_create(params->arg_create, p->socket_id,
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entry_size);
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if (h_table == NULL) {
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rte_free(default_entry);
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RTE_LOG(ERR, PIPELINE, "%s: Table creation failed\n", __func__);
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return -EINVAL;
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}
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/* Commit current table to the pipeline */
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p->num_tables++;
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*table_id = id;
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/* Save input parameters */
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memcpy(&table->ops, params->ops, sizeof(struct rte_table_ops));
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table->f_action_hit = params->f_action_hit;
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table->f_action_miss = params->f_action_miss;
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table->arg_ah = params->arg_ah;
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table->entry_size = entry_size;
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/* Clear the lookup miss actions (to be set later through API) */
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table->default_entry = default_entry;
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table->default_entry->action = RTE_PIPELINE_ACTION_DROP;
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/* Initialize table internal data structure */
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table->h_table = h_table;
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table->table_next_id = 0;
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table->table_next_id_valid = 0;
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return 0;
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}
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void
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rte_pipeline_table_free(struct rte_table *table)
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{
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if (table->ops.f_free != NULL)
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table->ops.f_free(table->h_table);
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rte_free(table->default_entry);
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}
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int
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rte_pipeline_table_default_entry_add(struct rte_pipeline *p,
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uint32_t table_id,
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struct rte_pipeline_table_entry *default_entry,
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struct rte_pipeline_table_entry **default_entry_ptr)
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{
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struct rte_table *table;
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/* Check input arguments */
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if (p == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
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__func__);
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return -EINVAL;
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}
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if (default_entry == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: default_entry parameter is NULL\n", __func__);
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return -EINVAL;
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}
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if (table_id >= p->num_tables) {
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RTE_LOG(ERR, PIPELINE,
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"%s: table_id %d out of range\n", __func__, table_id);
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return -EINVAL;
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}
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table = &p->tables[table_id];
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if ((default_entry->action == RTE_PIPELINE_ACTION_TABLE) &&
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table->table_next_id_valid &&
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(default_entry->table_id != table->table_next_id)) {
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RTE_LOG(ERR, PIPELINE,
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"%s: Tree-like topologies not allowed\n", __func__);
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return -EINVAL;
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}
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/* Set the lookup miss actions */
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if ((default_entry->action == RTE_PIPELINE_ACTION_TABLE) &&
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(table->table_next_id_valid == 0)) {
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table->table_next_id = default_entry->table_id;
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table->table_next_id_valid = 1;
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}
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memcpy(table->default_entry, default_entry, table->entry_size);
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*default_entry_ptr = table->default_entry;
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return 0;
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}
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int
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rte_pipeline_table_default_entry_delete(struct rte_pipeline *p,
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uint32_t table_id,
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struct rte_pipeline_table_entry *entry)
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{
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struct rte_table *table;
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/* Check input arguments */
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if (p == NULL) {
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RTE_LOG(ERR, PIPELINE,
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"%s: pipeline parameter is NULL\n", __func__);
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return -EINVAL;
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}
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if (table_id >= p->num_tables) {
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RTE_LOG(ERR, PIPELINE,
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"%s: table_id %d out of range\n", __func__, table_id);
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return -EINVAL;
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}
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table = &p->tables[table_id];
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/* Save the current contents of the default entry */
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if (entry)
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memcpy(entry, table->default_entry, table->entry_size);
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/* Clear the lookup miss actions */
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memset(table->default_entry, 0, table->entry_size);
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table->default_entry->action = RTE_PIPELINE_ACTION_DROP;
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return 0;
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}
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int
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rte_pipeline_table_entry_add(struct rte_pipeline *p,
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uint32_t table_id,
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void *key,
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struct rte_pipeline_table_entry *entry,
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int *key_found,
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struct rte_pipeline_table_entry **entry_ptr)
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{
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struct rte_table *table;
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/* Check input arguments */
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if (p == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: pipeline parameter is NULL\n",
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__func__);
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return -EINVAL;
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}
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if (key == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: key parameter is NULL\n", __func__);
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return -EINVAL;
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}
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if (entry == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: entry parameter is NULL\n",
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__func__);
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return -EINVAL;
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}
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if (table_id >= p->num_tables) {
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RTE_LOG(ERR, PIPELINE,
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"%s: table_id %d out of range\n", __func__, table_id);
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return -EINVAL;
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}
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table = &p->tables[table_id];
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if (table->ops.f_add == NULL) {
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RTE_LOG(ERR, PIPELINE, "%s: f_add function pointer NULL\n",
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__func__);
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return -EINVAL;
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}
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if ((entry->action == RTE_PIPELINE_ACTION_TABLE) &&
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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);
|
|
}
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
rte_pipeline_port_out_action_handler f_ah;
|
|
rte_pipeline_port_out_action_handler_bulk f_ah_bulk;
|
|
|
|
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;
|
|
}
|
|
|
|
f_ah = params->f_action;
|
|
f_ah_bulk = params->f_action_bulk;
|
|
if (((f_ah != NULL) && (f_ah_bulk == NULL)) ||
|
|
((f_ah == NULL) && (f_ah_bulk != NULL))) {
|
|
RTE_LOG(ERR, PIPELINE, "%s: Action handlers have to be either"
|
|
"both enabled or both disabled\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->f_action_bulk = params->f_action_bulk;
|
|
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;
|
|
struct rte_port_in *port_first, *port_last;
|
|
uint64_t port_mask;
|
|
uint32_t port_prev_id, port_next_id, port_first_id, port_last_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;
|
|
}
|
|
|
|
/* 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 = &p->ports_in[port_id];
|
|
|
|
port_prev->next = port;
|
|
port->next = port_next;
|
|
|
|
/* Update the first and last input ports in the chain */
|
|
port_first_id = __builtin_ctzll(p->enabled_port_in_mask);
|
|
port_last_id = 63 - __builtin_clzll(p->enabled_port_in_mask);
|
|
|
|
port_first = &p->ports_in[port_first_id];
|
|
port_last = &p->ports_in[port_last_id];
|
|
|
|
p->port_in_first = port_first;
|
|
port_last->next = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
rte_pipeline_port_in_disable(struct rte_pipeline *p, uint32_t port_id)
|
|
{
|
|
struct rte_port_in *port_prev, *port_next, *port_first, *port_last;
|
|
uint64_t port_mask;
|
|
uint32_t port_prev_id, port_next_id, port_first_id, port_last_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;
|
|
}
|
|
|
|
/* Return if current input port is already disabled */
|
|
port_mask = 1LLU << port_id;
|
|
if ((p->enabled_port_in_mask & port_mask) == 0)
|
|
return 0;
|
|
|
|
/* Return if no other enabled ports */
|
|
if (__builtin_popcountll(p->enabled_port_in_mask) == 1) {
|
|
p->enabled_port_in_mask &= ~port_mask;
|
|
p->port_in_first = 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;
|
|
p->enabled_port_in_mask &= ~port_mask;
|
|
|
|
/* Update the first and last input ports in the chain */
|
|
port_first_id = __builtin_ctzll(p->enabled_port_in_mask);
|
|
port_last_id = 63 - __builtin_clzll(p->enabled_port_in_mask);
|
|
|
|
port_first = &p->ports_in[port_first_id];
|
|
port_last = &p->ports_in[port_last_id];
|
|
|
|
p->port_in_first = port_first;
|
|
port_last->next = NULL;
|
|
|
|
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_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];
|
|
|
|
/* Output port user actions */
|
|
if (port_out->f_action_bulk != NULL) {
|
|
uint64_t mask = pkts_mask;
|
|
|
|
port_out->f_action_bulk(p->pkts, &pkts_mask, port_out->arg_ah);
|
|
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |= pkts_mask ^ mask;
|
|
}
|
|
|
|
/* Output port TX */
|
|
if (pkts_mask != 0)
|
|
port_out->ops.f_tx_bulk(port_out->h_port, p->pkts, pkts_mask);
|
|
}
|
|
|
|
static inline void
|
|
rte_pipeline_action_handler_port(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++) {
|
|
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;
|
|
|
|
port_out->f_action(pkt, &pkt_mask,
|
|
port_out->arg_ah);
|
|
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
|
|
(pkt_mask ^ 1LLU) << i;
|
|
|
|
/* Output port TX */
|
|
if (pkt_mask != 0)
|
|
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 {
|
|
pkt_mask = 1LLU;
|
|
|
|
port_out->f_action(pkt, &pkt_mask,
|
|
port_out->arg_ah);
|
|
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
|
|
(pkt_mask ^ 1LLU) << i;
|
|
|
|
/* Output port TX */
|
|
if (pkt_mask != 0)
|
|
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)
|
|
{
|
|
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;
|
|
|
|
port_out->f_action(pkt, &pkt_mask,
|
|
port_out->arg_ah);
|
|
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
|
|
(pkt_mask ^ 1LLU) << i;
|
|
|
|
/* Output port TX */
|
|
if (pkt_mask != 0)
|
|
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 {
|
|
pkt_mask = 1LLU;
|
|
|
|
port_out->f_action(pkt, &pkt_mask,
|
|
port_out->arg_ah);
|
|
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
|
|
(pkt_mask ^ 1LLU) << i;
|
|
|
|
/* Output port TX */
|
|
if (pkt_mask != 0)
|
|
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;
|
|
|
|
for (port_in = p->port_in_first; port_in != NULL;
|
|
port_in = port_in->next) {
|
|
uint64_t pkts_mask;
|
|
uint32_t n_pkts, table_id;
|
|
|
|
/* Input port RX */
|
|
n_pkts = port_in->ops.f_rx(port_in->h_port, p->pkts,
|
|
port_in->burst_size);
|
|
if (n_pkts == 0)
|
|
continue;
|
|
|
|
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_TABLE] = 0;
|
|
|
|
/* Input port user actions */
|
|
if (port_in->f_action != NULL) {
|
|
uint64_t mask = pkts_mask;
|
|
|
|
port_in->f_action(p->pkts, n_pkts, &pkts_mask,
|
|
port_in->arg_ah);
|
|
p->action_mask0[RTE_PIPELINE_ACTION_DROP] |=
|
|
pkts_mask ^ mask;
|
|
}
|
|
|
|
/* Table */
|
|
for (table_id = port_in->table_id; 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, pkts_mask,
|
|
&lookup_hit_mask, (void **) p->entries);
|
|
lookup_miss_mask = pkts_mask & (~lookup_hit_mask);
|
|
|
|
/* Lookup miss */
|
|
if (lookup_miss_mask != 0) {
|
|
struct rte_pipeline_table_entry *default_entry =
|
|
table->default_entry;
|
|
|
|
/* Table user actions */
|
|
if (table->f_action_miss != NULL) {
|
|
uint64_t mask = lookup_miss_mask;
|
|
|
|
table->f_action_miss(p->pkts,
|
|
&lookup_miss_mask,
|
|
default_entry, table->arg_ah);
|
|
p->action_mask0[
|
|
RTE_PIPELINE_ACTION_DROP] |=
|
|
lookup_miss_mask ^ mask;
|
|
}
|
|
|
|
/* Table reserved actions */
|
|
if ((default_entry->action ==
|
|
RTE_PIPELINE_ACTION_PORT) &&
|
|
(lookup_miss_mask != 0))
|
|
rte_pipeline_action_handler_port_bulk(p,
|
|
lookup_miss_mask,
|
|
default_entry->port_id);
|
|
else {
|
|
uint32_t pos = default_entry->action;
|
|
|
|
p->action_mask0[pos] = lookup_miss_mask;
|
|
}
|
|
}
|
|
|
|
/* Lookup hit */
|
|
if (lookup_hit_mask != 0) {
|
|
/* Table user actions */
|
|
if (table->f_action_hit != NULL) {
|
|
uint64_t mask = lookup_hit_mask;
|
|
|
|
table->f_action_hit(p->pkts,
|
|
&lookup_hit_mask,
|
|
p->entries, table->arg_ah);
|
|
p->action_mask0[
|
|
RTE_PIPELINE_ACTION_DROP] |=
|
|
lookup_hit_mask ^ mask;
|
|
}
|
|
|
|
/* Table reserved actions */
|
|
rte_pipeline_compute_masks(p, lookup_hit_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_TABLE] |=
|
|
p->action_mask1[
|
|
RTE_PIPELINE_ACTION_TABLE];
|
|
}
|
|
|
|
/* Prepare for next iteration */
|
|
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]);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
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];
|
|
|
|
/* Output port user actions */
|
|
if (port_out->f_action == NULL)
|
|
port_out->ops.f_tx(port_out->h_port, pkt); /* Output port TX */
|
|
else {
|
|
uint64_t pkt_mask = 1LLU;
|
|
|
|
port_out->f_action(pkt, &pkt_mask, port_out->arg_ah);
|
|
|
|
if (pkt_mask != 0) /* Output port TX */
|
|
port_out->ops.f_tx(port_out->h_port, pkt);
|
|
else
|
|
rte_pktmbuf_free(pkt);
|
|
}
|
|
|
|
return 0;
|
|
}
|