diff options
-rw-r--r-- | TODO | 1 | ||||
-rw-r--r-- | src/network/networkd-netdev.c | 75 |
2 files changed, 76 insertions, 0 deletions
@@ -667,6 +667,7 @@ Features: - add support for more attribute types * networkd: + - make sure RTM_NEWLINK messages match both the ifname and kind when setting the ifindex of a netdev - add more keys to [Route] and [Address] sections - add support for more DHCPv4 options (and, longer term, other kinds of dynamic config) - add proper initrd support (in particular generate .network/.link files based on /proc/cmdline) diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c index 5796032100..298bf277f3 100644 --- a/src/network/networkd-netdev.c +++ b/src/network/networkd-netdev.c @@ -154,6 +154,78 @@ static int netdev_enter_ready(NetDev *netdev) { return 0; } +static int netdev_getlink_handler(sd_rtnl *rtnl, sd_rtnl_message *m, + void *userdata) { + NetDev *netdev = userdata; + int r, ifindex; + + assert(netdev); + + if (netdev->state == NETDEV_STATE_FAILED) + return 1; + + r = sd_rtnl_message_get_errno(m); + if (r < 0) { + log_struct_netdev(LOG_ERR, netdev, + "MESSAGE=%s: could not get link: %s", + netdev->name, strerror(-r), + "ERRNO=%d", -r, + NULL); + return 1; + } + + r = sd_rtnl_message_link_get_ifindex(m, &ifindex); + if (r < 0) { + log_struct_netdev(LOG_ERR, netdev, + "MESSAGE=%s: could not get ifindex: %s", + netdev->name, strerror(-r), + "ERRNO=%d", -r, + NULL); + return 1; + } + + r = netdev_set_ifindex(netdev, ifindex); + if (r < 0) + log_warning_netdev(netdev, "could not set ifindex to %d", ifindex); + + return 1; +} + +static int netdev_getlink(NetDev *netdev) { + _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; + int r; + + assert(netdev->manager); + assert(netdev->manager->rtnl); + assert(netdev->name); + + log_debug_netdev(netdev, "requesting netdev status"); + + r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, + RTM_GETLINK, 0); + if (r < 0) { + log_error_netdev(netdev, "Could not allocate RTM_GETLINK message"); + return r; + } + + r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->name); + if (r < 0) { + log_error_netdev(netdev, "Colud not append ifname to message: %s", + strerror(-r)); + return r; + } + + r = sd_rtnl_call_async(netdev->manager->rtnl, req, netdev_getlink_handler, + netdev, 0, NULL); + if (r < 0) { + log_error_netdev(netdev, + "Could not send rtnetlink message: %s", strerror(-r)); + return r; + } + + return 0; +} + static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { NetDev *netdev = userdata; int r; @@ -161,6 +233,9 @@ static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userda assert(netdev->state != _NETDEV_STATE_INVALID); r = sd_rtnl_message_get_errno(m); + if (r == -EEXIST) + r = netdev_getlink(netdev); + if (r < 0) { log_warning_netdev(netdev, "netdev failed: %s", strerror(-r)); netdev_enter_failed(netdev); |