+++ /dev/null
-/*
- * Copyright (c) 2010 Nicira Networks.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or apatched to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <config.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <net/if.h>
-#include <sys/ioctl.h>
-
-#include "netdev-provider.h"
-#include "netdev-vport.h"
-#include "openflow/openflow.h"
-#include "openvswitch/datapath-protocol.h"
-#include "packets.h"
-#include "socket-util.h"
-#include "vlog.h"
-
-VLOG_DEFINE_THIS_MODULE(netdev_patch)
-
-struct netdev_dev_patch {
- struct netdev_dev netdev_dev;
-};
-
-struct netdev_patch {
- struct netdev netdev;
-};
-
-static struct netdev_dev_patch *
-netdev_dev_patch_cast(const struct netdev_dev *netdev_dev)
-{
- netdev_dev_assert_class(netdev_dev, &netdev_patch_class);
- return CONTAINER_OF(netdev_dev, struct netdev_dev_patch, netdev_dev);
-}
-
-static struct netdev_patch *
-netdev_patch_cast(const struct netdev *netdev)
-{
- netdev_assert_class(netdev, &netdev_patch_class);
- return CONTAINER_OF(netdev, struct netdev_patch, netdev);
-}
-
-static int
-parse_config(const char *name, const struct shash *args,
- const char **peerp)
-{
- const char *peer;
-
- peer = shash_find_data(args, "peer");
- if (!peer) {
- VLOG_WARN("%s: patch type requires valid 'peer' argument", name);
- return EINVAL;
- }
-
- if (shash_count(args) > 1) {
- VLOG_WARN("%s: patch type takes only a 'peer' argument", name);
- return EINVAL;
- }
-
- if (strlen(peer) >= IFNAMSIZ) {
- VLOG_WARN("%s: patch 'peer' arg too long", name);
- return EINVAL;
- }
-
- if (!strcmp(name, peer)) {
- VLOG_WARN("%s: patch peer must not be self", name);
- return EINVAL;
- }
-
- *peerp = peer;
-
- return 0;
-}
-
-static int
-netdev_patch_create(const struct netdev_class *class OVS_UNUSED,
- const char *name, const struct shash *args,
- struct netdev_dev **netdev_devp)
-{
- int err;
- struct odp_vport_add ova;
- const char *peer;
- struct netdev_dev_patch *netdev_dev;
-
- err = parse_config(name, args, &peer);
- if (err) {
- return err;
- }
-
- ovs_strlcpy(ova.port_type, "patch", sizeof ova.port_type);
- ovs_strlcpy(ova.devname, name, sizeof ova.devname);
- ova.config = (char *)peer;
-
- err = netdev_vport_do_ioctl(ODP_VPORT_ADD, &ova);
- if (err == EBUSY) {
- VLOG_WARN("%s: destroying existing device", name);
-
- err = netdev_vport_do_ioctl(ODP_VPORT_DEL, ova.devname);
- if (err) {
- return err;
- }
-
- err = netdev_vport_do_ioctl(ODP_VPORT_ADD, &ova);
- }
-
- if (err) {
- return err;
- }
-
- netdev_dev = xmalloc(sizeof *netdev_dev);
- netdev_dev_init(&netdev_dev->netdev_dev, name, &netdev_patch_class);
-
- *netdev_devp = &netdev_dev->netdev_dev;
- return 0;
-}
-
-static int
-netdev_patch_reconfigure(struct netdev_dev *netdev_dev_, const struct shash *args)
-{
- const char *name = netdev_dev_get_name(netdev_dev_);
- struct odp_vport_mod ovm;
- const char *peer;
- int err;
-
- err = parse_config(name, args, &peer);
- if (err) {
- return err;
- }
-
- ovs_strlcpy(ovm.devname, name, sizeof ovm.devname);
- ovm.config = (char *)peer;
-
- return netdev_vport_do_ioctl(ODP_VPORT_MOD, &ovm);
-}
-
-static void
-netdev_patch_destroy(struct netdev_dev *netdev_dev_)
-{
- struct netdev_dev_patch *netdev_dev = netdev_dev_patch_cast(netdev_dev_);
-
- netdev_vport_do_ioctl(ODP_VPORT_DEL, (char *)netdev_dev_get_name(netdev_dev_));
- free(netdev_dev);
-}
-
-static int
-netdev_patch_open(struct netdev_dev *netdev_dev_, int ethertype OVS_UNUSED,
- struct netdev **netdevp)
-{
- struct netdev_patch *netdev;
-
- netdev = xmalloc(sizeof *netdev);
- netdev_init(&netdev->netdev, netdev_dev_);
-
- *netdevp = &netdev->netdev;
- return 0;
-}
-
-static void
-netdev_patch_close(struct netdev *netdev_)
-{
- struct netdev_patch *netdev = netdev_patch_cast(netdev_);
- free(netdev);
-}
-
-const struct netdev_class netdev_patch_class = {
- "patch",
-
- NULL, /* init */
- NULL, /* run */
- NULL, /* wait */
-
- netdev_patch_create,
- netdev_patch_destroy,
- netdev_patch_reconfigure,
-
- netdev_patch_open,
- netdev_patch_close,
-
- NULL, /* enumerate */
-
- NULL, /* recv */
- NULL, /* recv_wait */
- NULL, /* drain */
-
- NULL, /* send */
- NULL, /* send_wait */
-
- netdev_vport_set_etheraddr,
- netdev_vport_get_etheraddr,
- netdev_vport_get_mtu,
- NULL, /* get_ifindex */
- netdev_vport_get_carrier,
- netdev_vport_get_stats,
- netdev_vport_set_stats,
-
- NULL, /* get_features */
- NULL, /* set_advertisements */
- NULL, /* get_vlan_vid */
-
- NULL, /* set_policing */
- NULL, /* get_qos_types */
- NULL, /* get_qos_capabilities */
- NULL, /* get_qos */
- NULL, /* set_qos */
- NULL, /* get_queue */
- NULL, /* set_queue */
- NULL, /* delete_queue */
- NULL, /* get_queue_stats */
- NULL, /* dump_queues */
- NULL, /* dump_queue_stats */
-
- NULL, /* get_in4 */
- NULL, /* set_in4 */
- NULL, /* get_in6 */
- NULL, /* add_router */
- NULL, /* get_next_hop */
- NULL, /* arp_lookup */
-
- netdev_vport_update_flags,
-
- netdev_vport_poll_add,
- netdev_vport_poll_remove,
-};
git://git.onelab.eu / sliver-openvswitch.git / blobdiff