From: Igor Putovny <igor.putovny@nic.cz>
Date: Tue, 29 Jul 2025 13:28:17 +0000 (+0200)
Subject: Add attributes to interface
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=839c988093497642659a5b831168839eefedb242;p=thirdparty%2Fbird.git

Add attributes to interface
---

diff --git a/nest/iface.c b/nest/iface.c
index 499822b64..e34886c86 100644
--- a/nest/iface.c
+++ b/nest/iface.c
@@ -130,6 +130,8 @@ if_what_changed(struct iface *i, struct iface *j)
     c |= IF_CHANGE_LINK;
   if (i->mtu != j->mtu)
     c |= IF_CHANGE_MTU;
+  if (i->attrs != j->attrs)
+    c |= IF_CHANGE_ATTRS;
   return c;
 }
 
@@ -140,6 +142,7 @@ if_copy(struct iface *to, struct iface *from)
   to->mtu = from->mtu;
   to->master_index = from->master_index;
   to->master = from->master;
+  to->attrs = from->attrs;
 }
 
 static inline void
@@ -301,6 +304,8 @@ if_update(struct iface *new)
   struct iface *i;
   unsigned c;
 
+  new->attrs = new->attrs->eattrs ? rta_lookup(new->attrs) : NULL;
+
   WALK_LIST(i, iface_list)
     if (!strcmp(new->name, i->name))
       {
diff --git a/nest/iface.h b/nest/iface.h
index 1e4225eed..93441b396 100644
--- a/nest/iface.h
+++ b/nest/iface.h
@@ -42,6 +42,7 @@ struct iface {
   struct ifa *llv6;			/* Primary link-local address for IPv6 */
   ip4_addr sysdep;			/* Arbitrary IPv4 address for internal sysdep use */
   list neighbors;			/* All neighbors on this interface */
+  struct rta *attrs;
 };
 
 #define IF_UP 1				/* Currently just IF_ADMIN_UP */
@@ -95,6 +96,7 @@ struct iface {
 #define IF_CHANGE_ADDR6	0x200		/* ... */
 #define IF_CHANGE_LLV6 0x400
 #define IF_CHANGE_SYSDEP 0x800
+#define IF_CHANGE_ATTRS 0x1000
 #define IF_CHANGE_TOO_MUCH 0x40000000	/* Used internally */
 
 #define IF_CHANGE_UPDOWN (IF_CHANGE_UP | IF_CHANGE_DOWN)
diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c
index 62e6d5a68..15df573b9 100644
--- a/sysdep/linux/netlink.c
+++ b/sysdep/linux/netlink.c
@@ -951,7 +951,8 @@ nl_parse_link(struct nlmsghdr *h, int scan)
   struct ifinfomsg *i;
   struct rtattr *a[BIRD_IFLA_MAX];
   int new = h->nlmsg_type == RTM_NEWLINK;
-  struct iface f = {};
+  struct rta rta = { 0 };
+  struct iface f = { .attrs = &rta };
   struct iface *ifi;
   const char *name, *kind = NULL;
   u32 mtu, master = 0;
diff --git a/sysdep/unix/krt.h b/sysdep/unix/krt.h
index 2b1dfa96d..2f2a486c7 100644
--- a/sysdep/unix/krt.h
+++ b/sysdep/unix/krt.h
@@ -31,6 +31,12 @@ struct kif_proto;
 #define KRT_LEARN_ALIEN	1	/* Learn KRT_SRC_ALIEN routes */
 #define KRT_LEARN_ALL	2	/* Learn both KRT_SRC_ALIEN and KRT_SRC_KERNEL routes */
 
+
+#define EA_DEVICE_IF_VXLAN_ID		EA_CODE(PROTOCOL_DEVICE, 0)
+#define EA_DEVICE_IF_VXLAN_LEARNING	EA_CODE(PROTOCOL_DEVICE, 1)
+#define EA_DEVICE_IF_VXLAN_IP_ADDR	EA_CODE(PROTOCOL_DEVICE, 2)
+
+
 /* Whenever we recognize our own routes, we allow learing of foreign routes */
 
 #ifdef CONFIG_SELF_CONSCIOUS