ip_pipeline/pipeline/pipeline_firewall_be.c

/*-
 *   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 <rte_common.h>
#include <rte_malloc.h>
#include <rte_ether.h>
#include <rte_ip.h>
#include <rte_tcp.h>
#include <rte_byteorder.h>
#include <rte_table_acl.h>

#include "pipeline_firewall_be.h"
#include "parser.h"

struct pipeline_firewall {
        struct pipeline p;
        pipeline_msg_req_handler custom_handlers[PIPELINE_FIREWALL_MSG_REQS];

        uint32_t n_rules;
        uint32_t n_rule_fields;
        struct rte_acl_field_def *field_format;
        uint32_t field_format_size;
} __rte_cache_aligned;

static void *
pipeline_firewall_msg_req_custom_handler(struct pipeline *p, void *msg);

static pipeline_msg_req_handler handlers[] = {
        [PIPELINE_MSG_REQ_PING] =
                pipeline_msg_req_ping_handler,
        [PIPELINE_MSG_REQ_STATS_PORT_IN] =
                pipeline_msg_req_stats_port_in_handler,
        [PIPELINE_MSG_REQ_STATS_PORT_OUT] =
                pipeline_msg_req_stats_port_out_handler,
        [PIPELINE_MSG_REQ_STATS_TABLE] =
                pipeline_msg_req_stats_table_handler,
        [PIPELINE_MSG_REQ_PORT_IN_ENABLE] =
                pipeline_msg_req_port_in_enable_handler,
        [PIPELINE_MSG_REQ_PORT_IN_DISABLE] =
                pipeline_msg_req_port_in_disable_handler,
        [PIPELINE_MSG_REQ_CUSTOM] =
                pipeline_firewall_msg_req_custom_handler,
};

static void *
pipeline_firewall_msg_req_add_handler(struct pipeline *p, void *msg);

static void *
pipeline_firewall_msg_req_del_handler(struct pipeline *p, void *msg);

static void *
pipeline_firewall_msg_req_add_bulk_handler(struct pipeline *p, void *msg);

static void *
pipeline_firewall_msg_req_del_bulk_handler(struct pipeline *p, void *msg);

static void *
pipeline_firewall_msg_req_add_default_handler(struct pipeline *p, void *msg);

static void *
pipeline_firewall_msg_req_del_default_handler(struct pipeline *p, void *msg);

static pipeline_msg_req_handler custom_handlers[] = {
        [PIPELINE_FIREWALL_MSG_REQ_ADD] =
                pipeline_firewall_msg_req_add_handler,
        [PIPELINE_FIREWALL_MSG_REQ_DEL] =
                pipeline_firewall_msg_req_del_handler,
        [PIPELINE_FIREWALL_MSG_REQ_ADD_BULK] =
                pipeline_firewall_msg_req_add_bulk_handler,
        [PIPELINE_FIREWALL_MSG_REQ_DEL_BULK] =
                pipeline_firewall_msg_req_del_bulk_handler,
        [PIPELINE_FIREWALL_MSG_REQ_ADD_DEFAULT] =
                pipeline_firewall_msg_req_add_default_handler,
        [PIPELINE_FIREWALL_MSG_REQ_DEL_DEFAULT] =
                pipeline_firewall_msg_req_del_default_handler,
};

/*
 * Firewall table
 */
struct firewall_table_entry {
        struct rte_pipeline_table_entry head;
};

static struct rte_acl_field_def field_format_ipv4[] = {
        /* Protocol */
        [0] = {
                .type = RTE_ACL_FIELD_TYPE_BITMASK,
                .size = sizeof(uint8_t),
                .field_index = 0,
                .input_index = 0,
                .offset = sizeof(struct ether_hdr) +
                        offsetof(struct ipv4_hdr, next_proto_id),
        },

        /* Source IP address (IPv4) */
        [1] = {
                .type = RTE_ACL_FIELD_TYPE_MASK,
                .size = sizeof(uint32_t),
                .field_index = 1,
                .input_index = 1,
                .offset = sizeof(struct ether_hdr) +
                        offsetof(struct ipv4_hdr, src_addr),
        },

        /* Destination IP address (IPv4) */
        [2] = {
                .type = RTE_ACL_FIELD_TYPE_MASK,
                .size = sizeof(uint32_t),
                .field_index = 2,
                .input_index = 2,
                .offset = sizeof(struct ether_hdr) +
                        offsetof(struct ipv4_hdr, dst_addr),
        },

        /* Source Port */
        [3] = {
                .type = RTE_ACL_FIELD_TYPE_RANGE,
                .size = sizeof(uint16_t),
                .field_index = 3,
                .input_index = 3,
                .offset = sizeof(struct ether_hdr) +
                        sizeof(struct ipv4_hdr) +
                        offsetof(struct tcp_hdr, src_port),
        },

        /* Destination Port */
        [4] = {
                .type = RTE_ACL_FIELD_TYPE_RANGE,
                .size = sizeof(uint16_t),
                .field_index = 4,
                .input_index = 4,
                .offset = sizeof(struct ether_hdr) +
                        sizeof(struct ipv4_hdr) +
                        offsetof(struct tcp_hdr, dst_port),
        },
};

#define SIZEOF_VLAN_HDR                          4

static struct rte_acl_field_def field_format_vlan_ipv4[] = {
        /* Protocol */
        [0] = {
                .type = RTE_ACL_FIELD_TYPE_BITMASK,
                .size = sizeof(uint8_t),
                .field_index = 0,
                .input_index = 0,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_VLAN_HDR +
                        offsetof(struct ipv4_hdr, next_proto_id),
        },

        /* Source IP address (IPv4) */
        [1] = {
                .type = RTE_ACL_FIELD_TYPE_MASK,
                .size = sizeof(uint32_t),
                .field_index = 1,
                .input_index = 1,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_VLAN_HDR +
                        offsetof(struct ipv4_hdr, src_addr),
        },

        /* Destination IP address (IPv4) */
        [2] = {
                .type = RTE_ACL_FIELD_TYPE_MASK,
                .size = sizeof(uint32_t),
                .field_index = 2,
                .input_index = 2,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_VLAN_HDR +
                        offsetof(struct ipv4_hdr, dst_addr),
        },

        /* Source Port */
        [3] = {
                .type = RTE_ACL_FIELD_TYPE_RANGE,
                .size = sizeof(uint16_t),
                .field_index = 3,
                .input_index = 3,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_VLAN_HDR +
                        sizeof(struct ipv4_hdr) +
                        offsetof(struct tcp_hdr, src_port),
        },

        /* Destination Port */
        [4] = {
                .type = RTE_ACL_FIELD_TYPE_RANGE,
                .size = sizeof(uint16_t),
                .field_index = 4,
                .input_index = 4,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_VLAN_HDR +
                        sizeof(struct ipv4_hdr) +
                        offsetof(struct tcp_hdr, dst_port),
        },
};

#define SIZEOF_QINQ_HEADER                       8

static struct rte_acl_field_def field_format_qinq_ipv4[] = {
        /* Protocol */
        [0] = {
                .type = RTE_ACL_FIELD_TYPE_BITMASK,
                .size = sizeof(uint8_t),
                .field_index = 0,
                .input_index = 0,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_QINQ_HEADER +
                        offsetof(struct ipv4_hdr, next_proto_id),
        },

        /* Source IP address (IPv4) */
        [1] = {
                .type = RTE_ACL_FIELD_TYPE_MASK,
                .size = sizeof(uint32_t),
                .field_index = 1,
                .input_index = 1,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_QINQ_HEADER +
                        offsetof(struct ipv4_hdr, src_addr),
        },

        /* Destination IP address (IPv4) */
        [2] = {
                .type = RTE_ACL_FIELD_TYPE_MASK,
                .size = sizeof(uint32_t),
                .field_index = 2,
                .input_index = 2,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_QINQ_HEADER +
                        offsetof(struct ipv4_hdr, dst_addr),
        },

        /* Source Port */
        [3] = {
                .type = RTE_ACL_FIELD_TYPE_RANGE,
                .size = sizeof(uint16_t),
                .field_index = 3,
                .input_index = 3,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_QINQ_HEADER +
                        sizeof(struct ipv4_hdr) +
                        offsetof(struct tcp_hdr, src_port),
        },

        /* Destination Port */
        [4] = {
                .type = RTE_ACL_FIELD_TYPE_RANGE,
                .size = sizeof(uint16_t),
                .field_index = 4,
                .input_index = 4,
                .offset = sizeof(struct ether_hdr) +
                        SIZEOF_QINQ_HEADER +
                        sizeof(struct ipv4_hdr) +
                        offsetof(struct tcp_hdr, dst_port),
        },
};

static int
pipeline_firewall_parse_args(struct pipeline_firewall *p,
        struct pipeline_params *params)
{
        uint32_t n_rules_present = 0;
        uint32_t pkt_type_present = 0;
        uint32_t i;

        /* defaults */
        p->n_rules = 4 * 1024;
        p->n_rule_fields = RTE_DIM(field_format_ipv4);
        p->field_format = field_format_ipv4;
        p->field_format_size = sizeof(field_format_ipv4);

        for (i = 0; i < params->n_args; i++) {
                char *arg_name = params->args_name[i];
                char *arg_value = params->args_value[i];

                if (strcmp(arg_name, "n_rules") == 0) {
                        int status;

                        PIPELINE_PARSE_ERR_DUPLICATE(
                                n_rules_present == 0, params->name,
                                arg_name);
                        n_rules_present = 1;

                        status = parser_read_uint32(&p->n_rules,
                                arg_value);
                        PIPELINE_PARSE_ERR_INV_VAL((status != -EINVAL),
                                params->name, arg_name, arg_value);
                        PIPELINE_PARSE_ERR_OUT_RNG((status != -ERANGE),
                                params->name, arg_name, arg_value);
                        continue;
                }

                if (strcmp(arg_name, "pkt_type") == 0) {
                        PIPELINE_PARSE_ERR_DUPLICATE(
                                pkt_type_present == 0, params->name,
                                arg_name);
                        pkt_type_present = 1;

                        /* ipv4 */
                        if (strcmp(arg_value, "ipv4") == 0) {
                                p->n_rule_fields = RTE_DIM(field_format_ipv4);
                                p->field_format = field_format_ipv4;
                                p->field_format_size =
                                        sizeof(field_format_ipv4);
                                continue;
                        }

                        /* vlan_ipv4 */
                        if (strcmp(arg_value, "vlan_ipv4") == 0) {
                                p->n_rule_fields =
                                        RTE_DIM(field_format_vlan_ipv4);
                                p->field_format = field_format_vlan_ipv4;
                                p->field_format_size =
                                        sizeof(field_format_vlan_ipv4);
                                continue;
                        }

                        /* qinq_ipv4 */
                        if (strcmp(arg_value, "qinq_ipv4") == 0) {
                                p->n_rule_fields =
                                        RTE_DIM(field_format_qinq_ipv4);
                                p->field_format = field_format_qinq_ipv4;
                                p->field_format_size =
                                        sizeof(field_format_qinq_ipv4);
                                continue;
                        }

                        /* other */
                        PIPELINE_PARSE_ERR_INV_VAL(0, params->name,
                                arg_name, arg_value);
                }

                /* other */
                PIPELINE_PARSE_ERR_INV_ENT(0, params->name, arg_name);
        }

        return 0;
}

static void *
pipeline_firewall_init(struct pipeline_params *params,
        __rte_unused void *arg)
{
        struct pipeline *p;
        struct pipeline_firewall *p_fw;
        uint32_t size, i;

        /* Check input arguments */
        if ((params == NULL) ||
                (params->n_ports_in == 0) ||
                (params->n_ports_out == 0))
                return NULL;

        /* Memory allocation */
        size = RTE_CACHE_LINE_ROUNDUP(sizeof(struct pipeline_firewall));
        p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
        p_fw = (struct pipeline_firewall *) p;
        if (p == NULL)
                return NULL;

        strcpy(p->name, params->name);
        p->log_level = params->log_level;

        PLOG(p, HIGH, "Firewall");

        /* Parse arguments */
        if (pipeline_firewall_parse_args(p_fw, params))
                return NULL;

        /* Pipeline */
        {
                struct rte_pipeline_params pipeline_params = {
                        .name = params->name,
                        .socket_id = params->socket_id,
                        .offset_port_id = 0,
                };

                p->p = rte_pipeline_create(&pipeline_params);
                if (p->p == NULL) {
                        rte_free(p);
                        return NULL;
                }
        }

        /* Input ports */
        p->n_ports_in = params->n_ports_in;
        for (i = 0; i < p->n_ports_in; i++) {
                struct rte_pipeline_port_in_params port_params = {
                        .ops = pipeline_port_in_params_get_ops(
                                &params->port_in[i]),
                        .arg_create = pipeline_port_in_params_convert(
                                &params->port_in[i]),
                        .f_action = NULL,
                        .arg_ah = NULL,
                        .burst_size = params->port_in[i].burst_size,
                };

                int status = rte_pipeline_port_in_create(p->p,
                        &port_params,
                        &p->port_in_id[i]);

                if (status) {
                        rte_pipeline_free(p->p);
                        rte_free(p);
                        return NULL;
                }
        }

        /* Output ports */
        p->n_ports_out = params->n_ports_out;
        for (i = 0; i < p->n_ports_out; i++) {
                struct rte_pipeline_port_out_params port_params = {
                        .ops = pipeline_port_out_params_get_ops(
                                &params->port_out[i]),
                        .arg_create = pipeline_port_out_params_convert(
                                &params->port_out[i]),
                        .f_action = NULL,
                        .arg_ah = NULL,
                };

                int status = rte_pipeline_port_out_create(p->p,
                        &port_params,
                        &p->port_out_id[i]);

                if (status) {
                        rte_pipeline_free(p->p);
                        rte_free(p);
                        return NULL;
                }
        }

        /* Tables */
        p->n_tables = 1;
        {
                struct rte_table_acl_params table_acl_params = {
                        .name = params->name,
                        .n_rules = p_fw->n_rules,
                        .n_rule_fields = p_fw->n_rule_fields,
                };

                struct rte_pipeline_table_params table_params = {
                                .ops = &rte_table_acl_ops,
                                .arg_create = &table_acl_params,
                                .f_action_hit = NULL,
                                .f_action_miss = NULL,
                                .arg_ah = NULL,
                                .action_data_size =
                                        sizeof(struct firewall_table_entry) -
                                        sizeof(struct rte_pipeline_table_entry),
                        };

                int status;

                memcpy(table_acl_params.field_format,
                        p_fw->field_format,
                        p_fw->field_format_size);

                status = rte_pipeline_table_create(p->p,
                        &table_params,
                        &p->table_id[0]);

                if (status) {
                        rte_pipeline_free(p->p);
                        rte_free(p);
                        return NULL;
                }
        }

        /* Connecting input ports to tables */
        for (i = 0; i < p->n_ports_in; i++) {
                int status = rte_pipeline_port_in_connect_to_table(p->p,
                        p->port_in_id[i],
                        p->table_id[0]);

                if (status) {
                        rte_pipeline_free(p->p);
                        rte_free(p);
                        return NULL;
                }
        }

        /* Enable input ports */
        for (i = 0; i < p->n_ports_in; i++) {
                int status = rte_pipeline_port_in_enable(p->p,
                        p->port_in_id[i]);

                if (status) {
                        rte_pipeline_free(p->p);
                        rte_free(p);
                        return NULL;
                }
        }

        /* Check pipeline consistency */
        if (rte_pipeline_check(p->p) < 0) {
                rte_pipeline_free(p->p);
                rte_free(p);
                return NULL;
        }

        /* Message queues */
        p->n_msgq = params->n_msgq;
        for (i = 0; i < p->n_msgq; i++)
                p->msgq_in[i] = params->msgq_in[i];
        for (i = 0; i < p->n_msgq; i++)
                p->msgq_out[i] = params->msgq_out[i];

        /* Message handlers */
        memcpy(p->handlers, handlers, sizeof(p->handlers));
        memcpy(p_fw->custom_handlers,
                custom_handlers,
                sizeof(p_fw->custom_handlers));

        return p;
}

static int
pipeline_firewall_free(void *pipeline)
{
        struct pipeline *p = (struct pipeline *) pipeline;

        /* Check input arguments */
        if (p == NULL)
                return -1;

        /* Free resources */
        rte_pipeline_free(p->p);
        rte_free(p);
        return 0;
}

static int
pipeline_firewall_track(void *pipeline,
        __rte_unused uint32_t port_in,
        uint32_t *port_out)
{
        struct pipeline *p = (struct pipeline *) pipeline;

        /* Check input arguments */
        if ((p == NULL) ||
                (port_in >= p->n_ports_in) ||
                (port_out == NULL))
                return -1;

        if (p->n_ports_in == 1) {
                *port_out = 0;
                return 0;
        }

        return -1;
}

static int
pipeline_firewall_timer(void *pipeline)
{
        struct pipeline *p = (struct pipeline *) pipeline;

        pipeline_msg_req_handle(p);
        rte_pipeline_flush(p->p);

        return 0;
}

void *
pipeline_firewall_msg_req_custom_handler(struct pipeline *p,
        void *msg)
{
        struct pipeline_firewall *p_fw = (struct pipeline_firewall *) p;
        struct pipeline_custom_msg_req *req = msg;
        pipeline_msg_req_handler f_handle;

        f_handle = (req->subtype < PIPELINE_FIREWALL_MSG_REQS) ?
                p_fw->custom_handlers[req->subtype] :
                pipeline_msg_req_invalid_handler;

        if (f_handle == NULL)
                f_handle = pipeline_msg_req_invalid_handler;

        return f_handle(p, req);
}

void *
pipeline_firewall_msg_req_add_handler(struct pipeline *p, void *msg)
{
        struct pipeline_firewall_add_msg_req *req = msg;
        struct pipeline_firewall_add_msg_rsp *rsp = msg;

        struct rte_table_acl_rule_add_params params;
        struct firewall_table_entry entry = {
                .head = {
                        .action = RTE_PIPELINE_ACTION_PORT,
                        {.port_id = p->port_out_id[req->port_id]},
                },
        };

        memset(&params, 0, sizeof(params));

        switch (req->key.type) {
        case PIPELINE_FIREWALL_IPV4_5TUPLE:
                params.priority = req->priority;
                params.field_value[0].value.u8 =
                        req->key.key.ipv4_5tuple.proto;
                params.field_value[0].mask_range.u8 =
                        req->key.key.ipv4_5tuple.proto_mask;
                params.field_value[1].value.u32 =
                        req->key.key.ipv4_5tuple.src_ip;
                params.field_value[1].mask_range.u32 =
                        req->key.key.ipv4_5tuple.src_ip_mask;
                params.field_value[2].value.u32 =
                        req->key.key.ipv4_5tuple.dst_ip;
                params.field_value[2].mask_range.u32 =
                        req->key.key.ipv4_5tuple.dst_ip_mask;
                params.field_value[3].value.u16 =
                        req->key.key.ipv4_5tuple.src_port_from;
                params.field_value[3].mask_range.u16 =
                        req->key.key.ipv4_5tuple.src_port_to;
                params.field_value[4].value.u16 =
                        req->key.key.ipv4_5tuple.dst_port_from;
                params.field_value[4].mask_range.u16 =
                        req->key.key.ipv4_5tuple.dst_port_to;
                break;

        default:
                rsp->status = -1; /* Error */
                return rsp;
        }

        rsp->status = rte_pipeline_table_entry_add(p->p,
                p->table_id[0],
                &params,
                (struct rte_pipeline_table_entry *) &entry,
                &rsp->key_found,
                (struct rte_pipeline_table_entry **) &rsp->entry_ptr);

        return rsp;
}

void *
pipeline_firewall_msg_req_del_handler(struct pipeline *p, void *msg)
{
        struct pipeline_firewall_del_msg_req *req = msg;
        struct pipeline_firewall_del_msg_rsp *rsp = msg;

        struct rte_table_acl_rule_delete_params params;

        memset(&params, 0, sizeof(params));

        switch (req->key.type) {
        case PIPELINE_FIREWALL_IPV4_5TUPLE:
                params.field_value[0].value.u8 =
                        req->key.key.ipv4_5tuple.proto;
                params.field_value[0].mask_range.u8 =
                        req->key.key.ipv4_5tuple.proto_mask;
                params.field_value[1].value.u32 =
                        req->key.key.ipv4_5tuple.src_ip;
                params.field_value[1].mask_range.u32 =
                        req->key.key.ipv4_5tuple.src_ip_mask;
                params.field_value[2].value.u32 =
                        req->key.key.ipv4_5tuple.dst_ip;
                params.field_value[2].mask_range.u32 =
                        req->key.key.ipv4_5tuple.dst_ip_mask;
                params.field_value[3].value.u16 =
                        req->key.key.ipv4_5tuple.src_port_from;
                params.field_value[3].mask_range.u16 =
                        req->key.key.ipv4_5tuple.src_port_to;
                params.field_value[4].value.u16 =
                        req->key.key.ipv4_5tuple.dst_port_from;
                params.field_value[4].mask_range.u16 =
                        req->key.key.ipv4_5tuple.dst_port_to;
                break;

        default:
                rsp->status = -1; /* Error */
                return rsp;
        }

        rsp->status = rte_pipeline_table_entry_delete(p->p,
                p->table_id[0],
                &params,
                &rsp->key_found,
                NULL);

        return rsp;
}

static void *
pipeline_firewall_msg_req_add_bulk_handler(struct pipeline *p, void *msg)
{
        struct pipeline_firewall_add_bulk_msg_req *req = msg;
        struct pipeline_firewall_add_bulk_msg_rsp *rsp = msg;

        struct rte_table_acl_rule_add_params *params[req->n_keys];
        struct firewall_table_entry *entries[req->n_keys];

        uint32_t i, n_keys;

        n_keys = req->n_keys;

        for (i = 0; i < n_keys; i++) {
                entries[i] = rte_malloc(NULL,
                                sizeof(struct firewall_table_entry),
                                RTE_CACHE_LINE_SIZE);
                if (entries[i] == NULL) {
                        rsp->status = -1;
                        return rsp;
                }

                params[i] = rte_malloc(NULL,
                                sizeof(struct rte_table_acl_rule_add_params),
                                RTE_CACHE_LINE_SIZE);
                if (params[i] == NULL) {
                        rsp->status = -1;
                        return rsp;
                }

                entries[i]->head.action = RTE_PIPELINE_ACTION_PORT;
                entries[i]->head.port_id = p->port_out_id[req->port_ids[i]];

                switch (req->keys[i].type) {
                case PIPELINE_FIREWALL_IPV4_5TUPLE:
                        params[i]->priority = req->priorities[i];
                        params[i]->field_value[0].value.u8 =
                                req->keys[i].key.ipv4_5tuple.proto;
                        params[i]->field_value[0].mask_range.u8 =
                                req->keys[i].key.ipv4_5tuple.proto_mask;
                        params[i]->field_value[1].value.u32 =
                                req->keys[i].key.ipv4_5tuple.src_ip;
                        params[i]->field_value[1].mask_range.u32 =
                                req->keys[i].key.ipv4_5tuple.src_ip_mask;
                        params[i]->field_value[2].value.u32 =
                                req->keys[i].key.ipv4_5tuple.dst_ip;
                        params[i]->field_value[2].mask_range.u32 =
                                req->keys[i].key.ipv4_5tuple.dst_ip_mask;
                        params[i]->field_value[3].value.u16 =
                                req->keys[i].key.ipv4_5tuple.src_port_from;
                        params[i]->field_value[3].mask_range.u16 =
                                req->keys[i].key.ipv4_5tuple.src_port_to;
                        params[i]->field_value[4].value.u16 =
                                req->keys[i].key.ipv4_5tuple.dst_port_from;
                        params[i]->field_value[4].mask_range.u16 =
                                req->keys[i].key.ipv4_5tuple.dst_port_to;
                        break;

                default:
                        rsp->status = -1; /* Error */

                        for (i = 0; i < n_keys; i++) {
                                rte_free(entries[i]);
                                rte_free(params[i]);
                        }

                        return rsp;
                }
        }

        rsp->status = rte_pipeline_table_entry_add_bulk(p->p, p->table_id[0],
                        (void *)params, (struct rte_pipeline_table_entry **)entries,
                        n_keys, req->keys_found,
                        (struct rte_pipeline_table_entry **)req->entries_ptr);

        for (i = 0; i < n_keys; i++) {
                rte_free(entries[i]);
                rte_free(params[i]);
        }

        return rsp;
}

static void *
pipeline_firewall_msg_req_del_bulk_handler(struct pipeline *p, void *msg)
{
        struct pipeline_firewall_del_bulk_msg_req *req = msg;
        struct pipeline_firewall_del_bulk_msg_rsp *rsp = msg;

        struct rte_table_acl_rule_delete_params *params[req->n_keys];

        uint32_t i, n_keys;

        n_keys = req->n_keys;

        for (i = 0; i < n_keys; i++) {
                params[i] = rte_malloc(NULL,
                                sizeof(struct rte_table_acl_rule_delete_params),
                                RTE_CACHE_LINE_SIZE);
                if (params[i] == NULL) {
                        rsp->status = -1;
                        return rsp;
                }

                switch (req->keys[i].type) {
                case PIPELINE_FIREWALL_IPV4_5TUPLE:
                        params[i]->field_value[0].value.u8 =
                                req->keys[i].key.ipv4_5tuple.proto;
                        params[i]->field_value[0].mask_range.u8 =
                                req->keys[i].key.ipv4_5tuple.proto_mask;
                        params[i]->field_value[1].value.u32 =
                                req->keys[i].key.ipv4_5tuple.src_ip;
                        params[i]->field_value[1].mask_range.u32 =
                                req->keys[i].key.ipv4_5tuple.src_ip_mask;
                        params[i]->field_value[2].value.u32 =
                                req->keys[i].key.ipv4_5tuple.dst_ip;
                        params[i]->field_value[2].mask_range.u32 =
                                req->keys[i].key.ipv4_5tuple.dst_ip_mask;
                        params[i]->field_value[3].value.u16 =
                                req->keys[i].key.ipv4_5tuple.src_port_from;
                        params[i]->field_value[3].mask_range.u16 =
                                req->keys[i].key.ipv4_5tuple.src_port_to;
                        params[i]->field_value[4].value.u16 =
                                req->keys[i].key.ipv4_5tuple.dst_port_from;
                        params[i]->field_value[4].mask_range.u16 =
                                req->keys[i].key.ipv4_5tuple.dst_port_to;
                        break;

                default:
                        rsp->status = -1; /* Error */

                        for (i = 0; i < n_keys; i++)
                                rte_free(params[i]);

                        return rsp;
                }
        }

        rsp->status = rte_pipeline_table_entry_delete_bulk(p->p, p->table_id[0],
                        (void **)&params, n_keys, req->keys_found, NULL);

        for (i = 0; i < n_keys; i++)
                rte_free(params[i]);

        return rsp;
}

void *
pipeline_firewall_msg_req_add_default_handler(struct pipeline *p, void *msg)
{
        struct pipeline_firewall_add_default_msg_req *req = msg;
        struct pipeline_firewall_add_default_msg_rsp *rsp = msg;

        struct firewall_table_entry default_entry = {
                .head = {
                        .action = RTE_PIPELINE_ACTION_PORT,
                        {.port_id = p->port_out_id[req->port_id]},
                },
        };

        rsp->status = rte_pipeline_table_default_entry_add(p->p,
                p->table_id[0],
                (struct rte_pipeline_table_entry *) &default_entry,
                (struct rte_pipeline_table_entry **) &rsp->entry_ptr);

        return rsp;
}

void *
pipeline_firewall_msg_req_del_default_handler(struct pipeline *p, void *msg)
{
        struct pipeline_firewall_del_default_msg_rsp *rsp = msg;

        rsp->status = rte_pipeline_table_default_entry_delete(p->p,
                p->table_id[0],
                NULL);

        return rsp;
}

struct pipeline_be_ops pipeline_firewall_be_ops = {
        .f_init = pipeline_firewall_init,
        .f_free = pipeline_firewall_free,
        .f_run = NULL,
        .f_timer = pipeline_firewall_timer,
        .f_track = pipeline_firewall_track,
};