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| author | Amol Lad <amol.lad@4rf.com> | 2021-01-07 09:04:00 +0100 |
|---|---|---|
| committer | Reuben Dowle <reuben.dowle@4rf.com> | 2021-04-05 23:23:42 +0200 |
| commit | 0c5506a856263828e8b0ed8e003203bd48ab569d (patch) | |
| tree | c769ac6696493fd7ff72ccae78dc7c20322092b4 /ospfd/ospf_packet.c | |
| parent | nhrpd: Cleanup multicast nflog handler function (diff) | |
| download | frr-0c5506a856263828e8b0ed8e003203bd48ab569d.tar.xz frr-0c5506a856263828e8b0ed8e003203bd48ab569d.zip | |
ospfd: changes for PMP network /32 prefix length
Operation with PMP network on /32 prefix is needed for DMVPN
Signed-off-by: Reuben Dowle <reuben.dowle@4rf.com>
Diffstat (limited to 'ospfd/ospf_packet.c')
| -rw-r--r-- | ospfd/ospf_packet.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c index 0fd4803c7..3f01bf34d 100644 --- a/ospfd/ospf_packet.c +++ b/ospfd/ospf_packet.c @@ -907,8 +907,11 @@ static void ospf_hello(struct ip *iph, struct ospf_header *ospfh, /* Compare network mask. */ /* Checking is ignored for Point-to-Point and Virtual link. */ + /* Checking is also ignored for Point-to-Multipoint with /32 prefix */ if (oi->type != OSPF_IFTYPE_POINTOPOINT - && oi->type != OSPF_IFTYPE_VIRTUALLINK) + && oi->type != OSPF_IFTYPE_VIRTUALLINK + && !(oi->type == OSPF_IFTYPE_POINTOMULTIPOINT + && oi->address->prefixlen == IPV4_MAX_BITLEN)) if (oi->address->prefixlen != p.prefixlen) { flog_warn( EC_OSPF_PACKET, @@ -2427,6 +2430,11 @@ static int ospf_check_network_mask(struct ospf_interface *oi, || oi->type == OSPF_IFTYPE_VIRTUALLINK) return 1; + /* Ignore mask check for max prefix length (32) */ + if (oi->type == OSPF_IFTYPE_POINTOMULTIPOINT + && oi->address->prefixlen == IPV4_MAX_BITLEN) + return 1; + masklen2ip(oi->address->prefixlen, &mask); me.s_addr = oi->address->u.prefix4.s_addr & mask.s_addr; |