Index: uspace/drv/nic/lo/Makefile =================================================================== --- uspace/drv/nic/lo/Makefile (revision 00d7e1bfe06501df61aed156666d5597397d910a) +++ uspace/drv/nic/lo/Makefile (revision 00d7e1bfe06501df61aed156666d5597397d910a) @@ -0,0 +1,37 @@ +# +# Copyright (c) 2011 Radim Vansa +# 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. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. +# + +USPACE_PREFIX = ../../.. +LIBS = $(LIBDRV_PREFIX)/libdrv.a $(LIBNET_PREFIX)/libnet.a $(LIBNIC_PREFIX)/libnic.a +EXTRA_CFLAGS += -I$(LIBDRV_PREFIX)/include -I$(LIBNET_PREFIX)/include -I$(LIBNIC_PREFIX)/include +BINARY = lo + +SOURCES = \ + lo.c + +include $(USPACE_PREFIX)/Makefile.common Index: uspace/drv/nic/lo/lo.c =================================================================== --- uspace/drv/nic/lo/lo.c (revision 00d7e1bfe06501df61aed156666d5597397d910a) +++ uspace/drv/nic/lo/lo.c (revision 00d7e1bfe06501df61aed156666d5597397d910a) @@ -0,0 +1,139 @@ +/* + * Copyright (c) 2011 Radim Vansa + * 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. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/** + * @addtogroup drv_lo + * @brief Loopback virtual device driver + * @{ + */ +/** + * @file + */ + +#include +#include +#include +#include +#include +#include +#include + +#define NAME "lo" + +static nic_address_t lo_addr = { + .address = {0, 0, 0, 0, 0, 0} +}; + +static ddf_dev_ops_t lo_dev_ops; + +static nic_device_info_t lo_info = { + .vendor_name = "HelenOS", + .model_name = "loopback", + .part_number = "N/A (virtual device)", + .serial_number = "N/A (virtual device)" +}; + +static void lo_write_packet(nic_t *nic_data, packet_t *packet) +{ + nic_report_send_ok(nic_data, 1, packet_get_data_length(packet)); + nic_received_noneth_packet(nic_data, packet); +} + +static int lo_set_address(ddf_fun_t *fun, const nic_address_t *address) +{ + printf("%s: Set loopback HW to " PRIMAC "\n", NAME, + ARGSMAC(address->address)); + return ENOTSUP; +} + +static int lo_get_device_info(ddf_fun_t *fun, nic_device_info_t *info) +{ + assert(info); + memcpy(info, &lo_info, sizeof(nic_device_info_t)); + return EOK; +} + +static int lo_add_device(ddf_dev_t *dev) +{ + nic_t *nic_data = nic_create_and_bind(dev); + if (nic_data == NULL) { + printf("%s: Failed to initialize\n", NAME); + return ENOMEM; + } + + dev->driver_data = nic_data; + nic_set_write_packet_handler(nic_data, lo_write_packet); + + int rc = nic_connect_to_services(nic_data); + if (rc != EOK) { + printf("%s: Failed to connect to services\n", NAME); + nic_unbind_and_destroy(dev); + return rc; + } + + rc = nic_register_as_ddf_fun(nic_data, &lo_dev_ops); + if (rc != EOK) { + printf("%s: Failed to register as DDF function\n", NAME); + nic_unbind_and_destroy(dev); + return rc; + } + + rc = nic_report_address(nic_data, &lo_addr); + if (rc != EOK) { + printf("%s: Failed to setup loopback address\n", NAME); + nic_unbind_and_destroy(dev); + return rc; + } + + printf("%s: Adding loopback device '%s'\n", NAME, dev->name); + return EOK; +} + +static nic_iface_t lo_nic_iface; + +static driver_ops_t lo_driver_ops = { + .add_device = lo_add_device, +}; + +static driver_t lo_driver = { + .name = NAME, + .driver_ops = &lo_driver_ops +}; + +int main(int argc, char *argv[]) +{ + nic_driver_init(NAME); + nic_driver_implement(&lo_driver_ops, &lo_dev_ops, &lo_nic_iface); + lo_nic_iface.set_address = lo_set_address; + lo_nic_iface.get_device_info = lo_get_device_info; + + return ddf_driver_main(&lo_driver); +} + +/** @} + */ Index: uspace/drv/nic/lo/lo.ma =================================================================== --- uspace/drv/nic/lo/lo.ma (revision 00d7e1bfe06501df61aed156666d5597397d910a) +++ uspace/drv/nic/lo/lo.ma (revision 00d7e1bfe06501df61aed156666d5597397d910a) @@ -0,0 +1,1 @@ +10 virtual&loopback