examples/ip_pipeline/pipeline/pipeline_passthrough.c

/*-
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 *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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 *       notice, this list of conditions and the following disclaimer.
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#include "pipeline_passthrough.h"
#include "pipeline_passthrough_be.h"

static int
app_pipeline_passthrough_track(struct pipeline_params *p,
    uint32_t port_in,
    uint32_t *port_out)
{
    struct pipeline_passthrough_params pp;
    int status;

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

    status = pipeline_passthrough_parse_args(&pp, p);
    if (status)
        return -1;

    if (pp.dma_hash_lb_enabled)
        return -1;

    *port_out = port_in / (p->n_ports_in / p->n_ports_out);
    return 0;
}

static struct pipeline_fe_ops pipeline_passthrough_fe_ops = {
    .f_init = NULL,
    .f_post_init = NULL,
    .f_free = NULL,
    .f_track = app_pipeline_passthrough_track,
    .cmds = NULL,
};

struct pipeline_type pipeline_passthrough = {
    .name = "PASS-THROUGH",
    .be_ops = &pipeline_passthrough_be_ops,
    .fe_ops = &pipeline_passthrough_fe_ops,
};