Function ff_veth_attach

lib/ff_veth.c:997–1036

}

void *
ff_veth_attach(struct ff_port_cfg *cfg)
{
    struct ff_veth_softc *sc = NULL;
    int error;

    sc = malloc(sizeof(struct ff_veth_softc), M_DEVBUF, M_WAITOK);
    if (NULL == sc) {
        printf("ff_veth_softc allocation failed\n");
        goto fail;
    }
    memset(sc, 0, sizeof(struct ff_veth_softc));

    if(cfg->ifname){
        snprintf(sc->host_ifname, sizeof(sc->host_ifname), "%s", cfg->ifname);
    } else {
        snprintf(sc->host_ifname, sizeof(sc->host_ifname), ff_IF_NAME, cfg->port_id);
    }

    error = ff_veth_config(sc, cfg);
    if (0 != error) {
        goto fail;
    }

    if (0 != ff_veth_setup_interface(sc, cfg)) {
        goto fail;
    }

    return sc->host_ctx;

fail:
    if (sc) {
        if (sc->host_ctx)
            ff_dpdk_deregister_if(sc->host_ctx);

        free(sc, M_DEVBUF);
    }

    return NULL;
}

int
ff_veth_detach(void *arg)