mirror of
https://github.com/openvswitch/ovs
synced 2025-10-25 15:07:05 +00:00
078eedf4f7
In this patch, we add a lib/netdev-windows.c which mostly contains stub code and in subsequent patches, would use the netlink interface to query netdev information for a vport. The code implements netdev functionality for "internal" and "system" types of vports. Signed-off-by: Nithin Raju <nithin@vmware.com> Acked-by: Ankur Sharma <ankursharma@vmware.com> Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com> Tested-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/*
|
||
* Copyright (c) 2014 VMware, Inc.
|
||
*
|
||
* 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 agreed 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 <stdlib.h>
|
||
#include <config.h>
|
||
#include <errno.h>
|
||
|
||
#include <net/if.h>
|
||
|
||
#include "coverage.h"
|
||
#include "fatal-signal.h"
|
||
#include "netdev-provider.h"
|
||
#include "ofpbuf.h"
|
||
#include "poll-loop.h"
|
||
#include "shash.h"
|
||
#include "svec.h"
|
||
#include "vlog.h"
|
||
#include "odp-netlink.h"
|
||
#include "netlink-socket.h"
|
||
#include "netlink.h"
|
||
|
||
VLOG_DEFINE_THIS_MODULE(netdev_windows);
|
||
static struct vlog_rate_limit error_rl = VLOG_RATE_LIMIT_INIT(9999, 5);
|
||
|
||
enum {
|
||
VALID_ETHERADDR = 1 << 0,
|
||
VALID_MTU = 1 << 1,
|
||
VALID_IFFLAG = 1 << 5,
|
||
};
|
||
|
||
/* Caches the information of a netdev. */
|
||
struct netdev_windows {
|
||
struct netdev up;
|
||
int32_t dev_type;
|
||
uint32_t port_no;
|
||
|
||
unsigned int change_seq;
|
||
|
||
unsigned int cache_valid;
|
||
int ifindex;
|
||
uint8_t mac[ETH_ADDR_LEN];
|
||
uint32_t mtu;
|
||
unsigned int ifi_flags;
|
||
};
|
||
|
||
/* Utility structure for netdev commands. */
|
||
struct netdev_windows_netdev_info {
|
||
/* Generic Netlink header. */
|
||
uint8_t cmd;
|
||
|
||
/* Information that is relevant to ovs. */
|
||
uint32_t dp_ifindex;
|
||
uint32_t port_no;
|
||
uint32_t ovs_type;
|
||
|
||
/* General information of a network device. */
|
||
const char *name;
|
||
uint8_t mac_address[ETH_ADDR_LEN];
|
||
uint32_t mtu;
|
||
uint32_t ifi_flags;
|
||
};
|
||
|
||
static int
|
||
netdev_windows_init(void)
|
||
{
|
||
return EINVAL;
|
||
}
|
||
|
||
static struct netdev *
|
||
netdev_windows_alloc(void)
|
||
{
|
||
return NULL;
|
||
}
|
||
|
||
static int
|
||
netdev_windows_system_construct(struct netdev *netdev_)
|
||
{
|
||
return EINVAL;
|
||
}
|
||
|
||
static void
|
||
netdev_windows_dealloc(struct netdev *netdev_)
|
||
{
|
||
}
|
||
|
||
static int
|
||
netdev_windows_get_etheraddr(const struct netdev *netdev_, uint8_t mac[6])
|
||
{
|
||
return EINVAL;
|
||
}
|
||
|
||
static int
|
||
netdev_windows_get_mtu(const struct netdev *netdev_, int *mtup)
|
||
{
|
||
return EINVAL;
|
||
}
|
||
|
||
|
||
static int
|
||
netdev_windows_internal_construct(struct netdev *netdev_)
|
||
{
|
||
return netdev_windows_system_construct(netdev_);
|
||
}
|
||
|
||
|
||
#define NETDEV_WINDOWS_CLASS(NAME, CONSTRUCT) \
|
||
{ \
|
||
.type = NAME, \
|
||
.init = netdev_windows_init, \
|
||
.alloc = netdev_windows_alloc, \
|
||
.construct = CONSTRUCT, \
|
||
.dealloc = netdev_windows_dealloc, \
|
||
.get_etheraddr = netdev_windows_get_etheraddr, \
|
||
}
|
||
|
||
const struct netdev_class netdev_windows_class =
|
||
NETDEV_WINDOWS_CLASS(
|
||
"system",
|
||
netdev_windows_system_construct);
|
||
|
||
const struct netdev_class netdev_internal_class =
|
||
NETDEV_WINDOWS_CLASS(
|
||
"internal",
|
||
netdev_windows_internal_construct);
|