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network: also monitor udev 'change' event for network interfaces

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If networkd starts earlier than all network interfaces are initialized,
then uninitialized interfaces are staying in pending state and cannot
become up.
With this, such interfaces are started after receiving 'change' event.
This commit is contained in:
Yu Watanabe 2018-10-31 12:35:25 +09:00 committed by Lennart Poettering
parent 56ef8db9f5
commit 21486d9e99
1 changed files with 11 additions and 2 deletions
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13
src/network/networkd-manager.c
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@ -12,6 +12,7 @@
#include "bus-util.h"
#include "conf-parser.h"
#include "def.h"
#include "device-util.h"
#include "dns-domain.h"
#include "fd-util.h"
#include "fileio.h"
@ -21,6 +22,7 @@
#include "ordered-set.h"
#include "path-util.h"
#include "set.h"
#include "strv.h"
#include "virt.h"
/* use 8 MB for receive socket kernel queue. */
@ -193,12 +195,19 @@ static int manager_udev_process_link(sd_device_monitor *monitor, sd_device *devi
assert(device);
r = sd_device_get_property_value(device, "ACTION", &action);
if (r < 0 || !streq_ptr(action, "add"))
if (r < 0) {
log_device_debug_errno(device, r, "Failed to get 'ACTION' property, ignoring device: %m");
return 0;
}
if (!STR_IN_SET(action, "add", "change")) {
log_device_debug(device, "Ignoring udev %s event for device: %m", action);
return 0;
}
r = sd_device_get_ifindex(device, &ifindex);
if (r < 0) {
log_debug_errno(r, "Ignoring udev ADD event for device without ifindex or with invalid ifindex: %m");
log_device_debug_errno(device, r, "Ignoring udev ADD event for device without ifindex or with invalid ifindex: %m");
return 0;
}