ip_pipeline/pipeline/pipeline_common_fe.c

/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2015 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 <stdio.h>
#include <fcntl.h>
#include <unistd.h>

#include <rte_common.h>
#include <rte_ring.h>
#include <rte_malloc.h>
#include <cmdline_rdline.h>
#include <cmdline_parse.h>
#include <cmdline_parse_num.h>
#include <cmdline_parse_string.h>
#include <cmdline_parse_ipaddr.h>
#include <cmdline_parse_etheraddr.h>
#include <cmdline_socket.h>
#include <cmdline.h>

#include "pipeline_common_fe.h"

int
app_pipeline_ping(struct app_params *app,
        uint32_t pipeline_id)
{
        struct app_pipeline_params *p;
        struct pipeline_msg_req *req;
        struct pipeline_msg_rsp *rsp;
        int status = 0;

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

        APP_PARAM_FIND_BY_ID(app->pipeline_params, "PIPELINE", pipeline_id, p);
        if (p == NULL)
                return -1;

        /* Message buffer allocation */
        req = app_msg_alloc(app);
        if (req == NULL)
                return -1;

        /* Fill in request */
        req->type = PIPELINE_MSG_REQ_PING;

        /* Send request and wait for response */
        rsp = app_msg_send_recv(app, pipeline_id, req, MSG_TIMEOUT_DEFAULT);
        if (rsp == NULL)
                return -1;

        /* Check response */
        status = rsp->status;

        /* Message buffer free */
        app_msg_free(app, rsp);

        return status;
}

int
app_pipeline_stats_port_in(struct app_params *app,
        uint32_t pipeline_id,
        uint32_t port_id,
        struct rte_pipeline_port_in_stats *stats)
{
        struct app_pipeline_params *p;
        struct pipeline_stats_msg_req *req;
        struct pipeline_stats_port_in_msg_rsp *rsp;
        int status = 0;

        /* Check input arguments */
        if ((app == NULL) ||
                (stats == NULL))
                return -1;

        APP_PARAM_FIND_BY_ID(app->pipeline_params, "PIPELINE", pipeline_id, p);
        if ((p == NULL) ||
                (port_id >= p->n_pktq_in))
                return -1;

        /* Message buffer allocation */
        req = app_msg_alloc(app);
        if (req == NULL)
                return -1;

        /* Fill in request */
        req->type = PIPELINE_MSG_REQ_STATS_PORT_IN;
        req->id = port_id;

        /* Send request and wait for response */
        rsp = (struct pipeline_stats_port_in_msg_rsp *)
                app_msg_send_recv(app, pipeline_id, req, MSG_TIMEOUT_DEFAULT);
        if (rsp == NULL)
                return -1;

        /* Check response */
        status = rsp->status;
        if (status == 0)
                memcpy(stats, &rsp->stats, sizeof(rsp->stats));

        /* Message buffer free */
        app_msg_free(app, rsp);

        return status;
}

int
app_pipeline_stats_port_out(struct app_params *app,
        uint32_t pipeline_id,
        uint32_t port_id,
        struct rte_pipeline_port_out_stats *stats)
{
        struct app_pipeline_params *p;
        struct pipeline_stats_msg_req *req;
        struct pipeline_stats_port_out_msg_rsp *rsp;
        int status = 0;

        /* Check input arguments */
        if ((app == NULL) ||
                (pipeline_id >= app->n_pipelines) ||
                (stats == NULL))
                return -1;

        APP_PARAM_FIND_BY_ID(app->pipeline_params, "PIPELINE", pipeline_id, p);
        if ((p == NULL) ||
                (port_id >= p->n_pktq_out))
                return -1;

        /* Message buffer allocation */
        req = app_msg_alloc(app);
        if (req == NULL)
                return -1;

        /* Fill in request */
        req->type = PIPELINE_MSG_REQ_STATS_PORT_OUT;
        req->id = port_id;

        /* Send request and wait for response */
        rsp = app_msg_send_recv(app, pipeline_id, req, MSG_TIMEOUT_DEFAULT);
        if (rsp == NULL)
                return -1;

        /* Check response */
        status = rsp->status;
        if (status == 0)
                memcpy(stats, &rsp->stats, sizeof(rsp->stats));

        /* Message buffer free */
        app_msg_free(app, rsp);

        return status;
}

int
app_pipeline_stats_table(struct app_params *app,
        uint32_t pipeline_id,
        uint32_t table_id,
        struct rte_pipeline_table_stats *stats)
{
        struct app_pipeline_params *p;
        struct pipeline_stats_msg_req *req;
        struct pipeline_stats_table_msg_rsp *rsp;
        int status = 0;

        /* Check input arguments */
        if ((app == NULL) ||
                (stats == NULL))
                return -1;

        APP_PARAM_FIND_BY_ID(app->pipeline_params, "PIPELINE", pipeline_id, p);
        if (p == NULL)
                return -1;

        /* Message buffer allocation */
        req = app_msg_alloc(app);
        if (req == NULL)
                return -1;

        /* Fill in request */
        req->type = PIPELINE_MSG_REQ_STATS_TABLE;
        req->id = table_id;

        /* Send request and wait for response */
        rsp = app_msg_send_recv(app, pipeline_id, req, MSG_TIMEOUT_DEFAULT);
        if (rsp == NULL)
                return -1;

        /* Check response */
        status = rsp->status;
        if (status == 0)
                memcpy(stats, &rsp->stats, sizeof(rsp->stats));

        /* Message buffer free */
        app_msg_free(app, rsp);

        return status;
}

int
app_pipeline_port_in_enable(struct app_params *app,
        uint32_t pipeline_id,
        uint32_t port_id)
{
        struct app_pipeline_params *p;
        struct pipeline_port_in_msg_req *req;
        struct pipeline_msg_rsp *rsp;
        int status = 0;

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

        APP_PARAM_FIND_BY_ID(app->pipeline_params, "PIPELINE", pipeline_id, p);
        if ((p == NULL) ||
                (port_id >= p->n_pktq_in))
                return -1;

        /* Message buffer allocation */
        req = app_msg_alloc(app);
        if (req == NULL)
                return -1;

        /* Fill in request */
        req->type = PIPELINE_MSG_REQ_PORT_IN_ENABLE;
        req->port_id = port_id;

        /* Send request and wait for response */
        rsp = app_msg_send_recv(app, pipeline_id, req, MSG_TIMEOUT_DEFAULT);
        if (rsp == NULL)
                return -1;

        /* Check response */
        status = rsp->status;

        /* Message buffer free */
        app_msg_free(app, rsp);

        return status;
}

int
app_pipeline_port_in_disable(struct app_params *app,
        uint32_t pipeline_id,
        uint32_t port_id)
{
        struct app_pipeline_params *p;
        struct pipeline_port_in_msg_req *req;
        struct pipeline_msg_rsp *rsp;
        int status = 0;

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

        APP_PARAM_FIND_BY_ID(app->pipeline_params, "PIPELINE", pipeline_id, p);
        if ((p == NULL) ||
                (port_id >= p->n_pktq_in))
                return -1;

        /* Message buffer allocation */
        req = app_msg_alloc(app);
        if (req == NULL)
                return -1;

        /* Fill in request */
        req->type = PIPELINE_MSG_REQ_PORT_IN_DISABLE;
        req->port_id = port_id;

        /* Send request and wait for response */
        rsp = app_msg_send_recv(app, pipeline_id, req, MSG_TIMEOUT_DEFAULT);
        if (rsp == NULL)
                return -1;

        /* Check response */
        status = rsp->status;

        /* Message buffer free */
        app_msg_free(app, rsp);

        return status;
}

int
app_link_config(struct app_params *app,
        uint32_t link_id,
        uint32_t ip,
        uint32_t depth)
{
        struct app_link_params *p;
        uint32_t i, netmask, host, bcast;

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

        APP_PARAM_FIND_BY_ID(app->link_params, "LINK", link_id, p);
        if (p == NULL) {
                APP_LOG(app, HIGH, "LINK%" PRIu32 " is not a valid link",
                        link_id);
                return -1;
        }

        if (p->state) {
                APP_LOG(app, HIGH, "%s is UP, please bring it DOWN first",
                        p->name);
                return -1;
        }

        netmask = (~0U) << (32 - depth);
        host = ip & netmask;
        bcast = host | (~netmask);

        if ((ip == 0) ||
                (ip == UINT32_MAX) ||
                (ip == host) ||
                (ip == bcast)) {
                APP_LOG(app, HIGH, "Illegal IP address");
                return -1;
        }

        for (i = 0; i < app->n_links; i++) {
                struct app_link_params *link = &app->link_params[i];

                if (strcmp(p->name, link->name) == 0)
                        continue;

                if (link->ip == ip) {
                        APP_LOG(app, HIGH,
                                "%s is already assigned this IP address",
                                link->name);
                        return -1;
                }
        }

        if ((depth == 0) || (depth > 32)) {
                APP_LOG(app, HIGH, "Illegal value for depth parameter "
                        "(%" PRIu32 ")",
                        depth);
                return -1;
        }

        /* Save link parameters */
        p->ip = ip;
        p->depth = depth;

        return 0;
}

int
app_link_up(struct app_params *app,
        uint32_t link_id)
{
        struct app_link_params *p;

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

        APP_PARAM_FIND_BY_ID(app->link_params, "LINK", link_id, p);
        if (p == NULL) {
                APP_LOG(app, HIGH, "LINK%" PRIu32 " is not a valid link",
                        link_id);
                return -1;
        }

        /* Check link state */
        if (p->state) {
                APP_LOG(app, HIGH, "%s is already UP", p->name);
                return 0;
        }

        /* Check that IP address is valid */
        if (p->ip == 0) {
                APP_LOG(app, HIGH, "%s IP address is not set", p->name);
                return 0;
        }

        app_link_up_internal(app, p);

        return 0;
}

int
app_link_down(struct app_params *app,
        uint32_t link_id)
{
        struct app_link_params *p;

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

        APP_PARAM_FIND_BY_ID(app->link_params, "LINK", link_id, p);
        if (p == NULL) {
                APP_LOG(app, HIGH, "LINK%" PRIu32 " is not a valid link",
                        link_id);
                return -1;
        }

        /* Check link state */
        if (p->state == 0) {
                APP_LOG(app, HIGH, "%s is already DOWN", p->name);
                return 0;
        }

        app_link_down_internal(app, p);

        return 0;
}

/*
 * ping
 */

struct cmd_ping_result {
        cmdline_fixed_string_t p_string;
        uint32_t pipeline_id;
        cmdline_fixed_string_t ping_string;
};

static void
cmd_ping_parsed(
        void *parsed_result,
        __rte_unused struct cmdline *cl,
        void *data)
{
        struct cmd_ping_result *params = parsed_result;
        struct app_params *app = data;
        int status;

        status = app_pipeline_ping(app, params->pipeline_id);
        if (status != 0)
                printf("Command failed\n");
}

cmdline_parse_token_string_t cmd_ping_p_string =
        TOKEN_STRING_INITIALIZER(struct cmd_ping_result, p_string, "p");

cmdline_parse_token_num_t cmd_ping_pipeline_id =
        TOKEN_NUM_INITIALIZER(struct cmd_ping_result, pipeline_id, UINT32);

cmdline_parse_token_string_t cmd_ping_ping_string =
        TOKEN_STRING_INITIALIZER(struct cmd_ping_result, ping_string, "ping");

cmdline_parse_inst_t cmd_ping = {
        .f = cmd_ping_parsed,
        .data = NULL,
        .help_str = "Pipeline ping",
        .tokens = {
                (void *) &cmd_ping_p_string,
                (void *) &cmd_ping_pipeline_id,
                (void *) &cmd_ping_ping_string,
                NULL,
        },
};

/*
 * stats port in
 */

struct cmd_stats_port_in_result {
        cmdline_fixed_string_t p_string;
        uint32_t pipeline_id;
        cmdline_fixed_string_t stats_string;
        cmdline_fixed_string_t port_string;
        cmdline_fixed_string_t in_string;
        uint32_t port_in_id;

};
static void
cmd_stats_port_in_parsed(
        void *parsed_result,
        __rte_unused struct cmdline *cl,
        void *data)
{
        struct cmd_stats_port_in_result *params = parsed_result;
        struct app_params *app = data;
        struct rte_pipeline_port_in_stats stats;
        int status;

        status = app_pipeline_stats_port_in(app,
                        params->pipeline_id,
                        params->port_in_id,
                        &stats);

        if (status != 0) {
                printf("Command failed\n");
                return;
        }

        /* Display stats */
        printf("Pipeline %" PRIu32 " - stats for input port %" PRIu32 ":\n"
                "\tPkts in: %" PRIu64 "\n"
                "\tPkts dropped by AH: %" PRIu64 "\n"
                "\tPkts dropped by other: %" PRIu64 "\n",
                params->pipeline_id,
                params->port_in_id,
                stats.stats.n_pkts_in,
                stats.n_pkts_dropped_by_ah,
                stats.stats.n_pkts_drop);
}

cmdline_parse_token_string_t cmd_stats_port_in_p_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_in_result, p_string,
                "p");

cmdline_parse_token_num_t cmd_stats_port_in_pipeline_id =
        TOKEN_NUM_INITIALIZER(struct cmd_stats_port_in_result, pipeline_id,
                UINT32);

cmdline_parse_token_string_t cmd_stats_port_in_stats_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_in_result, stats_string,
                "stats");

cmdline_parse_token_string_t cmd_stats_port_in_port_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_in_result, port_string,
                "port");

cmdline_parse_token_string_t cmd_stats_port_in_in_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_in_result, in_string,
                "in");

        cmdline_parse_token_num_t cmd_stats_port_in_port_in_id =
        TOKEN_NUM_INITIALIZER(struct cmd_stats_port_in_result, port_in_id,
                UINT32);

cmdline_parse_inst_t cmd_stats_port_in = {
        .f = cmd_stats_port_in_parsed,
        .data = NULL,
        .help_str = "Pipeline input port stats",
        .tokens = {
                (void *) &cmd_stats_port_in_p_string,
                (void *) &cmd_stats_port_in_pipeline_id,
                (void *) &cmd_stats_port_in_stats_string,
                (void *) &cmd_stats_port_in_port_string,
                (void *) &cmd_stats_port_in_in_string,
                (void *) &cmd_stats_port_in_port_in_id,
                NULL,
        },
};

/*
 * stats port out
 */

struct cmd_stats_port_out_result {
        cmdline_fixed_string_t p_string;
        uint32_t pipeline_id;
        cmdline_fixed_string_t stats_string;
        cmdline_fixed_string_t port_string;
        cmdline_fixed_string_t out_string;
        uint32_t port_out_id;
};

static void
cmd_stats_port_out_parsed(
        void *parsed_result,
        __rte_unused struct cmdline *cl,
        void *data)
{

        struct cmd_stats_port_out_result *params = parsed_result;
        struct app_params *app = data;
        struct rte_pipeline_port_out_stats stats;
        int status;

        status = app_pipeline_stats_port_out(app,
                        params->pipeline_id,
                        params->port_out_id,
                        &stats);

        if (status != 0) {
                printf("Command failed\n");
                return;
        }

        /* Display stats */
        printf("Pipeline %" PRIu32 " - stats for output port %" PRIu32 ":\n"
                "\tPkts in: %" PRIu64 "\n"
                "\tPkts dropped by AH: %" PRIu64 "\n"
                "\tPkts dropped by other: %" PRIu64 "\n",
                params->pipeline_id,
                params->port_out_id,
                stats.stats.n_pkts_in,
                stats.n_pkts_dropped_by_ah,
                stats.stats.n_pkts_drop);
}

cmdline_parse_token_string_t cmd_stats_port_out_p_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_out_result, p_string,
        "p");

cmdline_parse_token_num_t cmd_stats_port_out_pipeline_id =
        TOKEN_NUM_INITIALIZER(struct cmd_stats_port_out_result, pipeline_id,
                UINT32);

cmdline_parse_token_string_t cmd_stats_port_out_stats_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_out_result, stats_string,
                "stats");

cmdline_parse_token_string_t cmd_stats_port_out_port_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_out_result, port_string,
                "port");

cmdline_parse_token_string_t cmd_stats_port_out_out_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_port_out_result, out_string,
                "out");

cmdline_parse_token_num_t cmd_stats_port_out_port_out_id =
        TOKEN_NUM_INITIALIZER(struct cmd_stats_port_out_result, port_out_id,
                UINT32);

cmdline_parse_inst_t cmd_stats_port_out = {
        .f = cmd_stats_port_out_parsed,
        .data = NULL,
        .help_str = "Pipeline output port stats",
        .tokens = {
                (void *) &cmd_stats_port_out_p_string,
                (void *) &cmd_stats_port_out_pipeline_id,
                (void *) &cmd_stats_port_out_stats_string,
                (void *) &cmd_stats_port_out_port_string,
                (void *) &cmd_stats_port_out_out_string,
                (void *) &cmd_stats_port_out_port_out_id,
                NULL,
        },
};

/*
 * stats table
 */

struct cmd_stats_table_result {
        cmdline_fixed_string_t p_string;
        uint32_t pipeline_id;
        cmdline_fixed_string_t stats_string;
        cmdline_fixed_string_t table_string;
        uint32_t table_id;
};

static void
cmd_stats_table_parsed(
        void *parsed_result,
        __rte_unused struct cmdline *cl,
        void *data)
{
        struct cmd_stats_table_result *params = parsed_result;
        struct app_params *app = data;
        struct rte_pipeline_table_stats stats;
        int status;

        status = app_pipeline_stats_table(app,
                        params->pipeline_id,
                        params->table_id,
                        &stats);

        if (status != 0) {
                printf("Command failed\n");
                return;
        }

        /* Display stats */
        printf("Pipeline %" PRIu32 " - stats for table %" PRIu32 ":\n"
                "\tPkts in: %" PRIu64 "\n"
                "\tPkts in with lookup miss: %" PRIu64 "\n"
                "\tPkts in with lookup hit dropped by AH: %" PRIu64 "\n"
                "\tPkts in with lookup hit dropped by others: %" PRIu64 "\n"
                "\tPkts in with lookup miss dropped by AH: %" PRIu64 "\n"
                "\tPkts in with lookup miss dropped by others: %" PRIu64 "\n",
                params->pipeline_id,
                params->table_id,
                stats.stats.n_pkts_in,
                stats.stats.n_pkts_lookup_miss,
                stats.n_pkts_dropped_by_lkp_hit_ah,
                stats.n_pkts_dropped_lkp_hit,
                stats.n_pkts_dropped_by_lkp_miss_ah,
                stats.n_pkts_dropped_lkp_miss);
}

cmdline_parse_token_string_t cmd_stats_table_p_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_table_result, p_string,
                "p");

cmdline_parse_token_num_t cmd_stats_table_pipeline_id =
        TOKEN_NUM_INITIALIZER(struct cmd_stats_table_result, pipeline_id,
                UINT32);

cmdline_parse_token_string_t cmd_stats_table_stats_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_table_result, stats_string,
                "stats");

cmdline_parse_token_string_t cmd_stats_table_table_string =
        TOKEN_STRING_INITIALIZER(struct cmd_stats_table_result, table_string,
                "table");

cmdline_parse_token_num_t cmd_stats_table_table_id =
        TOKEN_NUM_INITIALIZER(struct cmd_stats_table_result, table_id, UINT32);

cmdline_parse_inst_t cmd_stats_table = {
        .f = cmd_stats_table_parsed,
        .data = NULL,
        .help_str = "Pipeline table stats",
        .tokens = {
                (void *) &cmd_stats_table_p_string,
                (void *) &cmd_stats_table_pipeline_id,
                (void *) &cmd_stats_table_stats_string,
                (void *) &cmd_stats_table_table_string,
                (void *) &cmd_stats_table_table_id,
                NULL,
        },
};

/*
 * port in enable
 */

struct cmd_port_in_enable_result {
        cmdline_fixed_string_t p_string;
        uint32_t pipeline_id;
        cmdline_fixed_string_t port_string;
        cmdline_fixed_string_t in_string;
        uint32_t port_in_id;
        cmdline_fixed_string_t enable_string;
};

static void
cmd_port_in_enable_parsed(
        void *parsed_result,
        __rte_unused struct cmdline *cl,
        void *data)
{
        struct cmd_port_in_enable_result *params = parsed_result;
        struct app_params *app = data;
        int status;

        status = app_pipeline_port_in_enable(app,
                        params->pipeline_id,
                        params->port_in_id);

        if (status != 0)
                printf("Command failed\n");
}

cmdline_parse_token_string_t cmd_port_in_enable_p_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_enable_result, p_string,
                "p");

cmdline_parse_token_num_t cmd_port_in_enable_pipeline_id =
        TOKEN_NUM_INITIALIZER(struct cmd_port_in_enable_result, pipeline_id,
                UINT32);

cmdline_parse_token_string_t cmd_port_in_enable_port_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_enable_result, port_string,
        "port");

cmdline_parse_token_string_t cmd_port_in_enable_in_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_enable_result, in_string,
                "in");

cmdline_parse_token_num_t cmd_port_in_enable_port_in_id =
        TOKEN_NUM_INITIALIZER(struct cmd_port_in_enable_result, port_in_id,
                UINT32);

cmdline_parse_token_string_t cmd_port_in_enable_enable_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_enable_result,
                enable_string, "enable");

cmdline_parse_inst_t cmd_port_in_enable = {
        .f = cmd_port_in_enable_parsed,
        .data = NULL,
        .help_str = "Pipeline input port enable",
        .tokens = {
                (void *) &cmd_port_in_enable_p_string,
                (void *) &cmd_port_in_enable_pipeline_id,
                (void *) &cmd_port_in_enable_port_string,
                (void *) &cmd_port_in_enable_in_string,
                (void *) &cmd_port_in_enable_port_in_id,
                (void *) &cmd_port_in_enable_enable_string,
                NULL,
        },
};

/*
 * port in disable
 */

struct cmd_port_in_disable_result {
        cmdline_fixed_string_t p_string;
        uint32_t pipeline_id;
        cmdline_fixed_string_t port_string;
        cmdline_fixed_string_t in_string;
        uint32_t port_in_id;
        cmdline_fixed_string_t disable_string;
};

static void
cmd_port_in_disable_parsed(
        void *parsed_result,
        __rte_unused struct cmdline *cl,
        void *data)
{
        struct cmd_port_in_disable_result *params = parsed_result;
        struct app_params *app = data;
        int status;

        status = app_pipeline_port_in_disable(app,
                        params->pipeline_id,
                        params->port_in_id);

        if (status != 0)
                printf("Command failed\n");
}

cmdline_parse_token_string_t cmd_port_in_disable_p_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_disable_result, p_string,
                "p");

cmdline_parse_token_num_t cmd_port_in_disable_pipeline_id =
        TOKEN_NUM_INITIALIZER(struct cmd_port_in_disable_result, pipeline_id,
                UINT32);

cmdline_parse_token_string_t cmd_port_in_disable_port_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_disable_result, port_string,
                "port");

cmdline_parse_token_string_t cmd_port_in_disable_in_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_disable_result, in_string,
                "in");

cmdline_parse_token_num_t cmd_port_in_disable_port_in_id =
        TOKEN_NUM_INITIALIZER(struct cmd_port_in_disable_result, port_in_id,
                UINT32);

cmdline_parse_token_string_t cmd_port_in_disable_disable_string =
        TOKEN_STRING_INITIALIZER(struct cmd_port_in_disable_result,
                disable_string, "disable");

cmdline_parse_inst_t cmd_port_in_disable = {
        .f = cmd_port_in_disable_parsed,
        .data = NULL,
        .help_str = "Pipeline input port disable",
        .tokens = {
                (void *) &cmd_port_in_disable_p_string,
                (void *) &cmd_port_in_disable_pipeline_id,
                (void *) &cmd_port_in_disable_port_string,
                (void *) &cmd_port_in_disable_in_string,
                (void *) &cmd_port_in_disable_port_in_id,
                (void *) &cmd_port_in_disable_disable_string,
                NULL,
        },
};

/*
 * link config
 */

static void
print_link_info(struct app_link_params *p)
{
        struct rte_eth_stats stats;
        struct ether_addr *mac_addr;
        uint32_t netmask = (~0U) << (32 - p->depth);
        uint32_t host = p->ip & netmask;
        uint32_t bcast = host | (~netmask);

        memset(&stats, 0, sizeof(stats));
        rte_eth_stats_get(p->pmd_id, &stats);

        mac_addr = (struct ether_addr *) &p->mac_addr;

        if (strlen(p->pci_bdf))
                printf("%s(%s): flags=<%s>\n",
                        p->name,
                        p->pci_bdf,
                        (p->state) ? "UP" : "DOWN");
        else
                printf("%s: flags=<%s>\n",
                        p->name,
                        (p->state) ? "UP" : "DOWN");

        if (p->ip)
                printf("\tinet %" PRIu32 ".%" PRIu32
                        ".%" PRIu32 ".%" PRIu32
                        " netmask %" PRIu32 ".%" PRIu32
                        ".%" PRIu32 ".%" PRIu32 " "
                        "broadcast %" PRIu32 ".%" PRIu32
                        ".%" PRIu32 ".%" PRIu32 "\n",
                        (p->ip >> 24) & 0xFF,
                        (p->ip >> 16) & 0xFF,
                        (p->ip >> 8) & 0xFF,
                        p->ip & 0xFF,
                        (netmask >> 24) & 0xFF,
                        (netmask >> 16) & 0xFF,
                        (netmask >> 8) & 0xFF,
                        netmask & 0xFF,
                        (bcast >> 24) & 0xFF,
                        (bcast >> 16) & 0xFF,
                        (bcast >> 8) & 0xFF,
                        bcast & 0xFF);

        printf("\tether %02" PRIx32 ":%02" PRIx32 ":%02" PRIx32
                ":%02" PRIx32 ":%02" PRIx32 ":%02" PRIx32 "\n",
                mac_addr->addr_bytes[0],
                mac_addr->addr_bytes[1],
                mac_addr->addr_bytes[2],
                mac_addr->addr_bytes[3],
                mac_addr->addr_bytes[4],
                mac_addr->addr_bytes[5]);

        printf("\tRX packets %" PRIu64
                "  bytes %" PRIu64
                "\n",
                stats.ipackets,
                stats.ibytes);

        printf("\tRX errors %" PRIu64
                "  missed %" PRIu64
                "  no-mbuf %" PRIu64
                "\n",
                stats.ierrors,
                stats.imissed,
                stats.rx_nombuf);

        printf("\tTX packets %" PRIu64
                "  bytes %" PRIu64 "\n",
                stats.opackets,
                stats.obytes);

        printf("\tTX errors %" PRIu64
                "\n",
                stats.oerrors);

        printf("\n");
}

struct cmd_link_config_result {
        cmdline_fixed_string_t link_string;
        uint32_t link_id;
        cmdline_fixed_string_t config_string;
        cmdline_ipaddr_t ip;
        uint32_t depth;
};

static void
cmd_link_config_parsed(
        void *parsed_result,
        __attribute__((unused)) struct cmdline *cl,
         void *data)
{
        struct cmd_link_config_result *params = parsed_result;
        struct app_params *app = data;
        int status;

        uint32_t link_id = params->link_id;
        uint32_t ip  = rte_bswap32((uint32_t) params->ip.addr.ipv4.s_addr);
        uint32_t depth = params->depth;

        status = app_link_config(app, link_id, ip, depth);
        if (status)
                printf("Command failed\n");
        else {
                struct app_link_params *p;

                APP_PARAM_FIND_BY_ID(app->link_params, "LINK", link_id, p);
                print_link_info(p);
        }
}

cmdline_parse_token_string_t cmd_link_config_link_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_config_result, link_string,
                "link");

cmdline_parse_token_num_t cmd_link_config_link_id =
        TOKEN_NUM_INITIALIZER(struct cmd_link_config_result, link_id, UINT32);

cmdline_parse_token_string_t cmd_link_config_config_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_config_result, config_string,
                "config");

cmdline_parse_token_ipaddr_t cmd_link_config_ip =
        TOKEN_IPV4_INITIALIZER(struct cmd_link_config_result, ip);

cmdline_parse_token_num_t cmd_link_config_depth =
        TOKEN_NUM_INITIALIZER(struct cmd_link_config_result, depth, UINT32);

cmdline_parse_inst_t cmd_link_config = {
        .f = cmd_link_config_parsed,
        .data = NULL,
        .help_str = "Link configuration",
        .tokens = {
                (void *)&cmd_link_config_link_string,
                (void *)&cmd_link_config_link_id,
                (void *)&cmd_link_config_config_string,
                (void *)&cmd_link_config_ip,
                (void *)&cmd_link_config_depth,
                NULL,
        },
};

/*
 * link up
 */

struct cmd_link_up_result {
        cmdline_fixed_string_t link_string;
        uint32_t link_id;
        cmdline_fixed_string_t up_string;
};

static void
cmd_link_up_parsed(
        void *parsed_result,
        __attribute__((unused)) struct cmdline *cl,
        void *data)
{
        struct cmd_link_up_result *params = parsed_result;
        struct app_params *app = data;
        int status;

        status = app_link_up(app, params->link_id);
        if (status != 0)
                printf("Command failed\n");
        else {
                struct app_link_params *p;

                APP_PARAM_FIND_BY_ID(app->link_params, "LINK", params->link_id,
                        p);
                print_link_info(p);
        }
}

cmdline_parse_token_string_t cmd_link_up_link_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_up_result, link_string,
                "link");

cmdline_parse_token_num_t cmd_link_up_link_id =
        TOKEN_NUM_INITIALIZER(struct cmd_link_up_result, link_id, UINT32);

cmdline_parse_token_string_t cmd_link_up_up_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_up_result, up_string, "up");

cmdline_parse_inst_t cmd_link_up = {
        .f = cmd_link_up_parsed,
        .data = NULL,
        .help_str = "Link UP",
        .tokens = {
                (void *)&cmd_link_up_link_string,
                (void *)&cmd_link_up_link_id,
                (void *)&cmd_link_up_up_string,
                NULL,
        },
};

/*
 * link down
 */

struct cmd_link_down_result {
        cmdline_fixed_string_t link_string;
        uint32_t link_id;
        cmdline_fixed_string_t down_string;
};

static void
cmd_link_down_parsed(
        void *parsed_result,
        __attribute__((unused)) struct cmdline *cl,
        void *data)
{
        struct cmd_link_down_result *params = parsed_result;
        struct app_params *app = data;
        int status;

        status = app_link_down(app, params->link_id);
        if (status != 0)
                printf("Command failed\n");
        else {
                struct app_link_params *p;

                APP_PARAM_FIND_BY_ID(app->link_params, "LINK", params->link_id,
                        p);
                print_link_info(p);
        }
}

cmdline_parse_token_string_t cmd_link_down_link_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_down_result, link_string,
                "link");

cmdline_parse_token_num_t cmd_link_down_link_id =
        TOKEN_NUM_INITIALIZER(struct cmd_link_down_result, link_id, UINT32);

cmdline_parse_token_string_t cmd_link_down_down_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_down_result, down_string,
                "down");

cmdline_parse_inst_t cmd_link_down = {
        .f = cmd_link_down_parsed,
        .data = NULL,
        .help_str = "Link DOWN",
        .tokens = {
                (void *) &cmd_link_down_link_string,
                (void *) &cmd_link_down_link_id,
                (void *) &cmd_link_down_down_string,
                NULL,
        },
};

/*
 * link ls
 */

struct cmd_link_ls_result {
        cmdline_fixed_string_t link_string;
        cmdline_fixed_string_t ls_string;
};

static void
cmd_link_ls_parsed(
        __attribute__((unused)) void *parsed_result,
        __attribute__((unused)) struct cmdline *cl,
         void *data)
{
        struct app_params *app = data;
        uint32_t link_id;

        for (link_id = 0; link_id < app->n_links; link_id++) {
                struct app_link_params *p;

                APP_PARAM_FIND_BY_ID(app->link_params, "LINK", link_id, p);
                print_link_info(p);
        }
}

cmdline_parse_token_string_t cmd_link_ls_link_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_ls_result, link_string,
                "link");

cmdline_parse_token_string_t cmd_link_ls_ls_string =
        TOKEN_STRING_INITIALIZER(struct cmd_link_ls_result, ls_string, "ls");

cmdline_parse_inst_t cmd_link_ls = {
        .f = cmd_link_ls_parsed,
        .data = NULL,
        .help_str = "Link list",
        .tokens = {
                (void *)&cmd_link_ls_link_string,
                (void *)&cmd_link_ls_ls_string,
                NULL,
        },
};

/*
 * quit
 */

struct cmd_quit_result {
        cmdline_fixed_string_t quit;
};

static void
cmd_quit_parsed(
        __rte_unused void *parsed_result,
        struct cmdline *cl,
        __rte_unused void *data)
{
        cmdline_quit(cl);
}

static cmdline_parse_token_string_t cmd_quit_quit =
        TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");

static cmdline_parse_inst_t cmd_quit = {
        .f = cmd_quit_parsed,
        .data = NULL,
        .help_str = "Quit",
        .tokens = {
                (void *) &cmd_quit_quit,
                NULL,
        },
};

/*
 * run
 */

static void
app_run_file(
        cmdline_parse_ctx_t *ctx,
        const char *file_name)
{
        struct cmdline *file_cl;
        int fd;

        fd = open(file_name, O_RDONLY);
        if (fd < 0) {
                printf("Cannot open file \"%s\"\n", file_name);
                return;
        }

        file_cl = cmdline_new(ctx, "", fd, 1);
        cmdline_interact(file_cl);
        close(fd);
}

struct cmd_run_file_result {
        cmdline_fixed_string_t run_string;
        char file_name[APP_FILE_NAME_SIZE];
};

static void
cmd_run_parsed(
        void *parsed_result,
        struct cmdline *cl,
        __attribute__((unused)) void *data)
{
        struct cmd_run_file_result *params = parsed_result;

        app_run_file(cl->ctx, params->file_name);
}

cmdline_parse_token_string_t cmd_run_run_string =
        TOKEN_STRING_INITIALIZER(struct cmd_run_file_result, run_string,
                "run");

cmdline_parse_token_string_t cmd_run_file_name =
        TOKEN_STRING_INITIALIZER(struct cmd_run_file_result, file_name, NULL);

cmdline_parse_inst_t cmd_run = {
        .f = cmd_run_parsed,
        .data = NULL,
        .help_str = "Run CLI script file",
        .tokens = {
                (void *) &cmd_run_run_string,
                (void *) &cmd_run_file_name,
                NULL,
        },
};

static cmdline_parse_ctx_t pipeline_common_cmds[] = {
        (cmdline_parse_inst_t *) &cmd_quit,
        (cmdline_parse_inst_t *) &cmd_run,

        (cmdline_parse_inst_t *) &cmd_link_config,
        (cmdline_parse_inst_t *) &cmd_link_up,
        (cmdline_parse_inst_t *) &cmd_link_down,
        (cmdline_parse_inst_t *) &cmd_link_ls,

        (cmdline_parse_inst_t *) &cmd_ping,
        (cmdline_parse_inst_t *) &cmd_stats_port_in,
        (cmdline_parse_inst_t *) &cmd_stats_port_out,
        (cmdline_parse_inst_t *) &cmd_stats_table,
        (cmdline_parse_inst_t *) &cmd_port_in_enable,
        (cmdline_parse_inst_t *) &cmd_port_in_disable,
        NULL,
};

int
app_pipeline_common_cmd_push(struct app_params *app)
{
        uint32_t n_cmds, i;

        /* Check for available slots in the application commands array */
        n_cmds = RTE_DIM(pipeline_common_cmds) - 1;
        if (n_cmds > APP_MAX_CMDS - app->n_cmds)
                return -ENOMEM;

        /* Push pipeline commands into the application */
        memcpy(&app->cmds[app->n_cmds],
                pipeline_common_cmds,
                n_cmds * sizeof(cmdline_parse_ctx_t));

        for (i = 0; i < n_cmds; i++)
                app->cmds[app->n_cmds + i]->data = app;

        app->n_cmds += n_cmds;
        app->cmds[app->n_cmds] = NULL;

        return 0;
}