From b710e6b68de13244f37fa5b05f894fcff81df4c6 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 18 Feb 2016 22:49:02 +0100
Subject: [PATCH] networkd: enable LLDP only on ethernet

---
 src/network/networkd-link.c | 21 ++++++++++++++-------
 src/network/networkd-link.h |  1 +
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 1711436b48..5f91f4c9c2 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -89,9 +89,14 @@ bool link_ipv6ll_enabled(Link *link) {
 }
 
 bool link_lldp_enabled(Link *link) {
+        assert(link);
+
         if (link->flags & IFF_LOOPBACK)
                 return false;
 
+        if (link->iftype != ARPHRD_ETHER)
+                return false;
+
         if (!link->network)
                 return false;
 
@@ -300,6 +305,7 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
         uint16_t type;
         const char *ifname;
         int r, ifindex;
+        unsigned short iftype;
 
         assert(manager);
         assert(message);
@@ -317,6 +323,10 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
         else if (ifindex <= 0)
                 return -EINVAL;
 
+        r = sd_rtnl_message_link_get_type(message, &iftype);
+        if (r < 0)
+                return r;
+
         r = sd_netlink_message_read_string(message, IFLA_IFNAME, &ifname);
         if (r < 0)
                 return r;
@@ -330,6 +340,7 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
         link->state = LINK_STATE_PENDING;
         link->rtnl_extended_attrs = true;
         link->ifindex = ifindex;
+        link->iftype = iftype;
         link->ifname = strdup(ifname);
         if (!link->ifname)
                 return -ENOMEM;
@@ -338,22 +349,18 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
         if (r < 0)
                 log_link_debug(link, "MAC address not found for new device, continuing without");
 
-        r = asprintf(&link->state_file, "/run/systemd/netif/links/%d",
-                     link->ifindex);
+        r = asprintf(&link->state_file, "/run/systemd/netif/links/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-        r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%d",
-                     link->ifindex);
+        r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-        r = asprintf(&link->lldp_file, "/run/systemd/netif/lldp/%d",
-                     link->ifindex);
+        r = asprintf(&link->lldp_file, "/run/systemd/netif/lldp/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-
         r = hashmap_ensure_allocated(&manager->links, NULL);
         if (r < 0)
                 return r;
diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
index 0e6a7b6f21..4b4ae712b6 100644
--- a/src/network/networkd-link.h
+++ b/src/network/networkd-link.h
@@ -65,6 +65,7 @@ struct Link {
 
         int ifindex;
         char *ifname;
+        unsigned short iftype;
         char *state_file;
         struct ether_addr mac;
         struct in6_addr ipv6ll_address;