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network: update MTU after CAN specific configs applied

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Changing FD mode may trigger change of MTU and maximum MTU size.
See kernel documents about CAN FD mode:
https://docs.kernel.org/networking/can.html#can-fd-flexible-data-rate-driver-support
This commit is contained in:
Yu Watanabe
2023-12-08 10:47:42 +09:00
parent a0460dfed6
commit a60cc587d4
1 changed files with 13 additions and 5 deletions
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src/network/networkd-setlink.c
+13 -5
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@@ -563,12 +563,20 @@ static int link_is_ready_to_set_link(Link *link, Request *req) {
break;
}
case REQUEST_TYPE_SET_LINK_MTU: {
Request req_ipoib = {
.link = link,
.type = REQUEST_TYPE_SET_LINK_IPOIB,
};
if (ordered_set_contains(link->manager->request_queue,
&(const Request) {
.link = link,
.type = REQUEST_TYPE_SET_LINK_IPOIB,
}))
return false;
return !ordered_set_contains(link->manager->request_queue, &req_ipoib);
/* Changing FD mode may affect MTU. */
if (ordered_set_contains(link->manager->request_queue,
&(const Request) {
.link = link,
.type = REQUEST_TYPE_SET_LINK_CAN,
}))
return false;
}
default:
break;