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network: do not bring down bound interfaces immediately

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Even if a timespan specified to IgnoreCarrierLoss= for an interface,
when the carrier of the interface lost, bound interfaces might be bring
down immediately.

Let's also postpone bringing down bound interfaces with the specified
timespan.
This commit is contained in:
Yu Watanabe
2024-07-31 05:27:19 +09:00
parent a55d1b29a4
commit e8eaed0240
1 changed files with 11 additions and 19 deletions
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src/network/networkd-link.c
+11 -19
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@@ -1769,25 +1769,22 @@ static int link_carrier_gained(Link *link) {
}
static int link_carrier_lost_impl(Link *link) {
int r, ret = 0;
int ret = 0;
assert(link);
link->previous_ssid = mfree(link->previous_ssid);
ret = link_handle_bound_by_list(link);
if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
return 0;
return ret;
if (!link->network)
return 0;
return ret;
r = link_stop_engines(link, false);
if (r < 0)
ret = r;
r = link_drop_managed_config(link);
if (r < 0 && ret >= 0)
ret = r;
RET_GATHER(ret, link_stop_engines(link, false));
RET_GATHER(ret, link_drop_managed_config(link));
return ret;
}
@@ -1808,22 +1805,17 @@ static int link_carrier_lost_handler(sd_event_source *s, uint64_t usec, void *us
static int link_carrier_lost(Link *link) {
uint16_t dhcp_mtu;
usec_t usec;
int r;
assert(link);
r = link_handle_bound_by_list(link);
if (r < 0)
return r;
if (link->iftype == ARPHRD_CAN)
/* let's shortcut things for CAN which doesn't need most of what's done below. */
return 0;
usec = 0;
if (!link->network)
return 0;
else if (!link->network)
usec = 0;
if (link->network->ignore_carrier_loss_set)
else if (link->network->ignore_carrier_loss_set)
/* If IgnoreCarrierLoss= is explicitly specified, then use the specified value. */
usec = link->network->ignore_carrier_loss_usec;