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Merge pull request #33878 from yuwata/network-bind-carrier

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network: several cleanups for BindCarrier= setting
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Yu Watanabe 2024-07-31 10:05:43 +09:00 committed by GitHub
commit 6d0cdbe0bc
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1 changed files with 18 additions and 26 deletions
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44
src/network/networkd-link.c
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@ -822,9 +822,6 @@ static int link_handle_bound_by_list(Link *link) {
/* Update up or down state of interfaces which depend on this interface's carrier state. */
if (hashmap_isempty(link->bound_by_links))
return 0;
HASHMAP_FOREACH(l, link->bound_by_links) {
r = link_handle_bound_to_list(l);
if (r < 0)
@ -1714,6 +1711,13 @@ static int link_carrier_gained(Link *link) {
if (r < 0)
log_link_warning_errno(link, r, "Failed to disable carrier lost timer, ignoring: %m");
/* Process BindCarrier= setting specified by other interfaces. This is independent of the .network
* file assigned to this interface, but depends on .network files assigned to other interfaces.
* Hence, this can and should be called earlier. */
r = link_handle_bound_by_list(link);
if (r < 0)
return r;
/* If a wireless interface was connected to an access point, and the SSID is changed (that is,
* both previous_ssid and ssid are non-NULL), then the connected wireless network could be
* changed. So, always reconfigure the link. Which means e.g. the DHCP client will be
@ -1747,10 +1751,6 @@ static int link_carrier_gained(Link *link) {
if (r != 0)
return r;
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;
@ -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;