From: David Lamparter <equinox@diac24.net>
Date: Wed, 20 Jan 2010 17:27:16 +0000 (+0100)
Subject: zebra: netlink backend support setting a P-t-P address
X-Git-Tag: frr-4.0-dev~358^2~7
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=e8d19a05075a1f291bcfc9f86ff9aac8adbc01cc;p=mirror%2Ffrr.git

zebra: netlink backend support setting a P-t-P address

add a few bits to properly set a pointopoint address via netlink. the
structures have all the neccessary support, just need to send the proper
message bits to the kernel.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
---

diff --git a/zebra/if_netlink.c b/zebra/if_netlink.c
index 0d08155178..329f7ee578 100644
--- a/zebra/if_netlink.c
+++ b/zebra/if_netlink.c
@@ -830,18 +830,24 @@ static int netlink_address(int cmd, int family, struct interface *ifp,
 	req.ifa.ifa_family = family;
 
 	req.ifa.ifa_index = ifp->ifindex;
-	req.ifa.ifa_prefixlen = p->prefixlen;
 
 	addattr_l(&req.n, sizeof req, IFA_LOCAL, &p->u.prefix, bytelen);
 
-	if (family == AF_INET && cmd == RTM_NEWADDR) {
-		if (!CONNECTED_PEER(ifc) && ifc->destination) {
+	if (family == AF_INET) {
+		if (CONNECTED_PEER(ifc)) {
+			p = ifc->destination;
+			addattr_l(&req.n, sizeof req, IFA_ADDRESS,
+				  &p->u.prefix, bytelen);
+		} else if (cmd == RTM_NEWADDR && ifc->destination) {
 			p = ifc->destination;
 			addattr_l(&req.n, sizeof req, IFA_BROADCAST,
 				  &p->u.prefix, bytelen);
 		}
 	}
 
+	/* p is now either ifc->address or ifc->destination */
+	req.ifa.ifa_prefixlen = p->prefixlen;
+
 	if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_SECONDARY))
 		SET_FLAG(req.ifa.ifa_flags, IFA_F_SECONDARY);