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

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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>
This commit is contained in:
David Lamparter 2010-01-20 18:27:16 +01:00 committed by David Lamparter
parent a3008857cb
commit e8d19a0507
1 changed files with 9 additions and 3 deletions
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12
zebra/if_netlink.c
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@ -830,18 +830,24 @@ static int netlink_address(int cmd, int family, struct interface *ifp,
req.ifa.ifa_family = family; req.ifa.ifa_family = family;
req.ifa.ifa_index = ifp->ifindex; req.ifa.ifa_index = ifp->ifindex;
req.ifa.ifa_prefixlen = p->prefixlen;
addattr_l(&req.n, sizeof req, IFA_LOCAL, &p->u.prefix, bytelen); addattr_l(&req.n, sizeof req, IFA_LOCAL, &p->u.prefix, bytelen);
if (family == AF_INET && cmd == RTM_NEWADDR) { if (family == AF_INET) {
if (!CONNECTED_PEER(ifc) && ifc->destination) { 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; p = ifc->destination;
addattr_l(&req.n, sizeof req, IFA_BROADCAST, addattr_l(&req.n, sizeof req, IFA_BROADCAST,
&p->u.prefix, bytelen); &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)) if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_SECONDARY))
SET_FLAG(req.ifa.ifa_flags, IFA_F_SECONDARY); SET_FLAG(req.ifa.ifa_flags, IFA_F_SECONDARY);