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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <linux/can/vxcan.h>
#include <linux/if_arp.h>
#include "vxcan.h"
static int netdev_vxcan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
VxCan *v;
int r;
assert(netdev);
assert(!link);
assert(m);
v = VXCAN(netdev);
assert(v);
r = sd_netlink_message_open_container(m, VXCAN_INFO_PEER);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append VXCAN_INFO_PEER attribute: %m");
if (v->ifname_peer) {
r = sd_netlink_message_append_string(m, IFLA_IFNAME, v->ifname_peer);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Failed to add vxcan netlink interface peer name: %m");
}
r = sd_netlink_message_close_container(m);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append VXCAN_INFO_PEER attribute: %m");
return r;
}
static int netdev_vxcan_verify(NetDev *netdev, const char *filename) {
VxCan *v;
assert(netdev);
assert(filename);
v = VXCAN(netdev);
assert(v);
if (!v->ifname_peer) {
log_netdev_warning(netdev, "VxCan NetDev without peer name configured in %s. Ignoring", filename);
return -EINVAL;
}
return 0;
}
static void vxcan_done(NetDev *n) {
VxCan *v;
assert(n);
v = VXCAN(n);
assert(v);
free(v->ifname_peer);
}
const NetDevVTable vxcan_vtable = {
.object_size = sizeof(VxCan),
.sections = NETDEV_COMMON_SECTIONS "VXCAN\0",
.done = vxcan_done,
.fill_message_create = netdev_vxcan_fill_message_create,
.create_type = NETDEV_CREATE_INDEPENDENT,
.config_verify = netdev_vxcan_verify,
.iftype = ARPHRD_CAN,
};
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