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Merge pull request #468 from aanderse/master

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netlink: enumerate existing interfaces at startup
This commit is contained in:
Joachim Wiberg
2026-01-18 09:00:27 +01:00
committed by GitHub
parent bbe588ac16 29029bb78f
commit 6f1808248e
1 changed files with 21 additions and 1 deletions
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plugins/netlink.c
+21 -1
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@@ -406,9 +406,29 @@ static void nl_reconf(void *arg)
cond_reassert("net/");
}
/*
* Initial enumeration of existing interfaces and routes. Called from
* HOOK_SVC_PLUGIN which runs after the condition system is initialized.
* Interfaces that exist before finit starts (e.g., virtio-net in QEMU)
* won't generate RTM_NEWLINK events, so we must query for them.
*/
static void nl_enumerate(void *arg)
{
int sd;
sd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
if (sd < 0)
return;
nl_resync_ifaces(sd, 0);
nl_resync_routes(sd, 1);
close(sd);
}
static plugin_t plugin = {
.name = __FILE__,
.hook[HOOK_SVC_RECONF] = { .cb = nl_reconf },
.hook[HOOK_SVC_RECONF] = { .cb = nl_reconf },
.hook[HOOK_SVC_PLUGIN] = { .cb = nl_enumerate },
.io = {
.cb = nl_callback,
.flags = PLUGIN_IO_READ,