From d42306d98fa327eb0ea6094cc6d6ae9202a07475 Mon Sep 17 00:00:00 2001 From: Dmitrij Tejblum Date: Fri, 22 Apr 2011 19:27:54 +0400 Subject: ospf6d: copy "mtu-ignore" option from ospfd "mtu-ignore" is an option ospfd used to mimic from the vendor's implementation, now ospf6d will also implement it. * ospf6_interface.h: extend ospf6_interface structure by one flag * ospf6_interface.c: (ipv6_ospf6_mtu_ignore, no_ipv6_ospf6_mtu_ignore): new declarations; (ospf6_interface_create): show initial value for consistency; (ospf6_interface_show): print flag status * ospf6_message.c: (ospf6_dbdesc_recv): consider interface-specific flag when checking MTU --- ospf6d/ospf6_interface.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) (limited to 'ospf6d/ospf6_interface.c') diff --git a/ospf6d/ospf6_interface.c b/ospf6d/ospf6_interface.c index cb347451..236baf17 100644 --- a/ospf6d/ospf6_interface.c +++ b/ospf6d/ospf6_interface.c @@ -118,6 +118,7 @@ ospf6_interface_create (struct interface *ifp) oi->cost = 1; oi->state = OSPF6_INTERFACE_DOWN; oi->flag = 0; + oi->mtu_ignore = 0; /* Try to adjust I/O buffer size with IfMtu */ oi->ifmtu = ifp->mtu6; @@ -784,6 +785,8 @@ ospf6_interface_show (struct vty *vty, struct interface *ifp) { vty_out (vty, " Instance ID %d, Interface MTU %d (autodetect: %d)%s", oi->instance_id, oi->ifmtu, ifp->mtu6, VNL); + vty_out (vty, " MTU mismatch detection: %s%s", oi->mtu_ignore ? + "disabled" : "enabled", VNL); inet_ntop (AF_INET, &oi->area->area_id, strbuf, sizeof (strbuf)); vty_out (vty, " Area ID %s, Cost %hu%s", strbuf, oi->cost, @@ -1368,6 +1371,55 @@ DEFUN (no_ipv6_ospf6_passive, return CMD_SUCCESS; } +DEFUN (ipv6_ospf6_mtu_ignore, + ipv6_ospf6_mtu_ignore_cmd, + "ipv6 ospf6 mtu-ignore", + IP6_STR + OSPF6_STR + "Ignore MTU mismatch on this interface\n" + ) +{ + struct ospf6_interface *oi; + struct interface *ifp; + + ifp = (struct interface *) vty->index; + assert (ifp); + + oi = (struct ospf6_interface *) ifp->info; + if (oi == NULL) + oi = ospf6_interface_create (ifp); + assert (oi); + + oi->mtu_ignore = 1; + + return CMD_SUCCESS; +} + +DEFUN (no_ipv6_ospf6_mtu_ignore, + no_ipv6_ospf6_mtu_ignore_cmd, + "no ipv6 ospf6 mtu-ignore", + NO_STR + IP6_STR + OSPF6_STR + "Ignore MTU mismatch on this interface\n" + ) +{ + struct ospf6_interface *oi; + struct interface *ifp; + + ifp = (struct interface *) vty->index; + assert (ifp); + + oi = (struct ospf6_interface *) ifp->info; + if (oi == NULL) + oi = ospf6_interface_create (ifp); + assert (oi); + + oi->mtu_ignore = 0; + + return CMD_SUCCESS; +} + DEFUN (ipv6_ospf6_advertise_prefix_list, ipv6_ospf6_advertise_prefix_list_cmd, "ipv6 ospf6 advertise prefix-list WORD", @@ -1495,6 +1547,9 @@ config_write_ospf6_interface (struct vty *vty) if (CHECK_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE)) vty_out (vty, " ipv6 ospf6 passive%s", VNL); + if (oi->mtu_ignore) + vty_out (vty, " ipv6 ospf6 mtu-ignore%s", VNL); + vty_out (vty, "!%s", VNL); } return 0; @@ -1547,6 +1602,9 @@ ospf6_interface_init (void) install_element (INTERFACE_NODE, &ipv6_ospf6_passive_cmd); install_element (INTERFACE_NODE, &no_ipv6_ospf6_passive_cmd); + install_element (INTERFACE_NODE, &ipv6_ospf6_mtu_ignore_cmd); + install_element (INTERFACE_NODE, &no_ipv6_ospf6_mtu_ignore_cmd); + install_element (INTERFACE_NODE, &ipv6_ospf6_advertise_prefix_list_cmd); install_element (INTERFACE_NODE, &no_ipv6_ospf6_advertise_prefix_list_cmd); } -- cgit v1.2.1