From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 13 Feb 2023 15:05:41 +0000 (+0000)
Subject: networkd: Store any flags
X-Git-Url: http://git.ipfire.org/?p=people%2Fms%2Fnetwork.git;a=commitdiff_plain;h=c65300b47197145ac899bd2e80597b4c6b44ca6d

networkd: Store any flags

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/networkd/link.c b/src/networkd/link.c
index 2f95dc30..78ae106d 100644
--- a/src/networkd/link.c
+++ b/src/networkd/link.c
@@ -45,6 +45,9 @@ struct nw_link {
 	uint32_t mtu;
 	uint32_t min_mtu;
 	uint32_t max_mtu;
+
+	// Flags
+	unsigned int flags;
 };
 
 int nw_link_create(nw_link** link, nw_daemon* daemon, int ifindex) {
@@ -168,6 +171,29 @@ static int nw_link_update_mtu(nw_link* link, sd_netlink_message* message) {
 	return 0;
 }
 
+static int nw_link_update_flags(nw_link* link, sd_netlink_message* message) {
+	unsigned int flags = 0;
+	int r;
+
+	// Fetch flags
+	r = sd_rtnl_message_link_get_flags(message, &flags);
+	if (r < 0) {
+		return DEBUG("Could not read link flags: %m\n");
+		return 1;
+	}
+
+	// End here if there have been no changes
+	if (link->flags == flags)
+		return 0;
+
+	// XXX We should log any changes here
+
+	// Store the new flags
+	link->flags = flags;
+
+	return 0;
+}
+
 /*
 	This function is called whenever anything changes, so that we can
 	update our internal link object.
@@ -185,6 +211,11 @@ static int nw_link_update(nw_link* link, sd_netlink_message* message) {
 	if (r)
 		return r;
 
+	// Update flags
+	r = nw_link_update_flags(link, message);
+	if (r)
+		return r;
+
 	return 0;
 }