diff options
Diffstat (limited to 'src/network/networkd-link.c')
| -rw-r--r-- | src/network/networkd-link.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index aab40a0eb1..1687d9bf31 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -1787,6 +1787,31 @@ static int link_down(Link *link) { return 0; } +static int link_up_can(Link *link) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; + int r; + + assert(link); + + log_link_debug(link, "Bringing CAN link up"); + + r = sd_rtnl_message_new_link(link->manager->rtnl, &req, RTM_SETLINK, link->ifindex); + if (r < 0) + return log_link_error_errno(link, r, "Could not allocate RTM_SETLINK message: %m"); + + r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP); + if (r < 0) + return log_link_error_errno(link, r, "Could not set link flags: %m"); + + r = sd_netlink_call_async(link->manager->rtnl, req, link_up_handler, link, 0, NULL); + if (r < 0) + return log_link_error_errno(link, r, "Could not send rtnetlink message: %m"); + + link_ref(link); + + return 0; +} + static int link_handle_bound_to_list(Link *link) { Link *l; Iterator i; @@ -2431,6 +2456,19 @@ static int link_configure(Link *link) { assert(link->network); assert(link->state == LINK_STATE_PENDING); + if (streq_ptr(link->kind, "vcan")) { + + if (!(link->flags & IFF_UP)) { + r = link_up_can(link); + if (r < 0) { + link_enter_failed(link); + return r; + } + } + + return 0; + } + /* Drop foreign config, but ignore loopback or critical devices. * We do not want to remove loopback address or addresses used for root NFS. */ if (!(link->flags & IFF_LOOPBACK) && !(link->network->dhcp_critical)) { |