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f7f740fe58
As there are timeframes when we don't get a notification from the kernel about new addresses. (e.g. while Linux performs IPv6 DAD), we need to have some information whether an address has been sent to the kernel or not. One case where this is relevant would be a user adding an IPv6 address, but deleting it before DAD has been complete. With the next patch which removes some (ill assuming) synchronous parts in address setup, ipv6_address_uninstall would not know whether or not it has to actually delete the prefix from the kernel. Resolving these windows where we lack information is what the flag ZEBRA_IFC_QUEUED is intended for. Signed-off-by: Christian Franke <chris@opensourcerouting.org> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
1678 lines
44 KiB
C
1678 lines
44 KiB
C
/*
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* Interface function.
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* Copyright (C) 1997, 1999 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include <zebra.h>
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#include "if.h"
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#include "vty.h"
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#include "sockunion.h"
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#include "prefix.h"
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#include "command.h"
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#include "memory.h"
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#include "ioctl.h"
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#include "connected.h"
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#include "log.h"
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#include "zclient.h"
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#include "zebra/interface.h"
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#include "zebra/rtadv.h"
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#include "zebra/rib.h"
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#include "zebra/zserv.h"
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#include "zebra/redistribute.h"
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#include "zebra/debug.h"
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#include "zebra/irdp.h"
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#ifdef RTADV
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/* Order is intentional. Matches RFC4191. This array is also used for
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command matching, so only modify with care. */
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const char *rtadv_pref_strs[] = { "medium", "high", "INVALID", "low", 0 };
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#endif /* RTADV */
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/* Called when new interface is added. */
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static int
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if_zebra_new_hook (struct interface *ifp)
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{
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struct zebra_if *zebra_if;
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zebra_if = XCALLOC (MTYPE_TMP, sizeof (struct zebra_if));
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zebra_if->multicast = IF_ZEBRA_MULTICAST_UNSPEC;
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zebra_if->shutdown = IF_ZEBRA_SHUTDOWN_UNSPEC;
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#ifdef RTADV
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{
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/* Set default router advertise values. */
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struct rtadvconf *rtadv;
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rtadv = &zebra_if->rtadv;
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rtadv->AdvSendAdvertisements = 0;
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rtadv->MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL;
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rtadv->MinRtrAdvInterval = RTADV_MIN_RTR_ADV_INTERVAL;
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rtadv->AdvIntervalTimer = 0;
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rtadv->AdvManagedFlag = 0;
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rtadv->AdvOtherConfigFlag = 0;
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rtadv->AdvHomeAgentFlag = 0;
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rtadv->AdvLinkMTU = 0;
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rtadv->AdvReachableTime = 0;
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rtadv->AdvRetransTimer = 0;
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rtadv->AdvCurHopLimit = 0;
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rtadv->AdvDefaultLifetime = -1; /* derive from MaxRtrAdvInterval */
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rtadv->HomeAgentPreference = 0;
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rtadv->HomeAgentLifetime = -1; /* derive from AdvDefaultLifetime */
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rtadv->AdvIntervalOption = 0;
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rtadv->DefaultPreference = RTADV_PREF_MEDIUM;
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rtadv->AdvPrefixList = list_new ();
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}
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#endif /* RTADV */
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/* Initialize installed address chains tree. */
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zebra_if->ipv4_subnets = route_table_init ();
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ifp->info = zebra_if;
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return 0;
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}
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/* Called when interface is deleted. */
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static int
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if_zebra_delete_hook (struct interface *ifp)
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{
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struct zebra_if *zebra_if;
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if (ifp->info)
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{
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zebra_if = ifp->info;
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/* Free installed address chains tree. */
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if (zebra_if->ipv4_subnets)
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route_table_finish (zebra_if->ipv4_subnets);
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XFREE (MTYPE_TMP, zebra_if);
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}
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return 0;
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}
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/* Tie an interface address to its derived subnet list of addresses. */
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int
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if_subnet_add (struct interface *ifp, struct connected *ifc)
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{
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struct route_node *rn;
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struct zebra_if *zebra_if;
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struct prefix cp;
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struct list *addr_list;
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assert (ifp && ifp->info && ifc);
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zebra_if = ifp->info;
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/* Get address derived subnet node and associated address list, while marking
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address secondary attribute appropriately. */
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cp = *ifc->address;
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apply_mask (&cp);
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rn = route_node_get (zebra_if->ipv4_subnets, &cp);
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if ((addr_list = rn->info))
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SET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY);
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else
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{
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UNSET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY);
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rn->info = addr_list = list_new ();
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route_lock_node (rn);
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}
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/* Tie address at the tail of address list. */
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listnode_add (addr_list, ifc);
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/* Return list element count. */
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return (addr_list->count);
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}
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/* Untie an interface address from its derived subnet list of addresses. */
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int
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if_subnet_delete (struct interface *ifp, struct connected *ifc)
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{
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struct route_node *rn;
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struct zebra_if *zebra_if;
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struct list *addr_list;
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assert (ifp && ifp->info && ifc);
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zebra_if = ifp->info;
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/* Get address derived subnet node. */
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rn = route_node_lookup (zebra_if->ipv4_subnets, ifc->address);
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if (! (rn && rn->info))
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{
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zlog_warn("Trying to remove an address from an unknown subnet."
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" (please report this bug)");
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return -1;
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}
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route_unlock_node (rn);
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/* Untie address from subnet's address list. */
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addr_list = rn->info;
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/* Deleting an address that is not registered is a bug.
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* In any case, we shouldn't decrement the lock counter if the address
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* is unknown. */
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if (!listnode_lookup(addr_list, ifc))
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{
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zlog_warn("Trying to remove an address from a subnet where it is not"
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" currently registered. (please report this bug)");
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return -1;
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}
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listnode_delete (addr_list, ifc);
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route_unlock_node (rn);
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/* Return list element count, if not empty. */
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if (addr_list->count)
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{
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/* If deleted address is primary, mark subsequent one as such and distribute. */
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if (! CHECK_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY))
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{
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ifc = listgetdata (listhead (addr_list));
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zebra_interface_address_delete_update (ifp, ifc);
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UNSET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY);
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zebra_interface_address_add_update (ifp, ifc);
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}
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return addr_list->count;
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}
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/* Otherwise, free list and route node. */
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list_free (addr_list);
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rn->info = NULL;
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route_unlock_node (rn);
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return 0;
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}
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/* if_flags_mangle: A place for hacks that require mangling
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* or tweaking the interface flags.
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*
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* ******************** Solaris flags hacks **************************
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*
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* Solaris IFF_UP flag reflects only the primary interface as the
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* routing socket only sends IFINFO for the primary interface. Hence
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* ~IFF_UP does not per se imply all the logical interfaces are also
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* down - which we only know of as addresses. Instead we must determine
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* whether the interface really is up or not according to how many
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* addresses are still attached. (Solaris always sends RTM_DELADDR if
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* an interface, logical or not, goes ~IFF_UP).
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*
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* Ie, we mangle IFF_UP to *additionally* reflect whether or not there
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* are addresses left in struct connected, not just the actual underlying
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* IFF_UP flag.
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*
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* We must hence remember the real state of IFF_UP, which we do in
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* struct zebra_if.primary_state.
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*
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* Setting IFF_UP within zebra to administratively shutdown the
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* interface will affect only the primary interface/address on Solaris.
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************************End Solaris flags hacks ***********************
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*/
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static void
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if_flags_mangle (struct interface *ifp, uint64_t *newflags)
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{
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#ifdef SUNOS_5
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struct zebra_if *zif = ifp->info;
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zif->primary_state = *newflags & (IFF_UP & 0xff);
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if (CHECK_FLAG (zif->primary_state, IFF_UP)
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|| listcount(ifp->connected) > 0)
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SET_FLAG (*newflags, IFF_UP);
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else
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UNSET_FLAG (*newflags, IFF_UP);
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#endif /* SUNOS_5 */
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}
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/* Update the flags field of the ifp with the new flag set provided.
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* Take whatever actions are required for any changes in flags we care
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* about.
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*
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* newflags should be the raw value, as obtained from the OS.
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*/
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void
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if_flags_update (struct interface *ifp, uint64_t newflags)
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{
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if_flags_mangle (ifp, &newflags);
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if (if_is_operative (ifp))
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{
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/* operative -> inoperative? */
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ifp->flags = newflags;
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if (!if_is_operative (ifp))
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if_down (ifp);
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}
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else
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{
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/* inoperative -> operative? */
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ifp->flags = newflags;
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if (if_is_operative (ifp))
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if_up (ifp);
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}
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}
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/* Wake up configured address if it is not in current kernel
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address. */
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static void
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if_addr_wakeup (struct interface *ifp)
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{
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struct listnode *node, *nnode;
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struct connected *ifc;
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struct prefix *p;
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int ret;
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for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, ifc))
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{
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p = ifc->address;
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if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)
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&& ! CHECK_FLAG (ifc->conf, ZEBRA_IFC_QUEUED))
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{
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/* Address check. */
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if (p->family == AF_INET)
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{
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if (! if_is_up (ifp))
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{
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/* XXX: WTF is it trying to set flags here?
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* caller has just gotten a new interface, has been
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* handed the flags already. This code has no business
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* trying to override administrative status of the interface.
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* The only call path to here which doesn't originate from
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* kernel event is irdp - what on earth is it trying to do?
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*
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* further RUNNING is not a settable flag on any system
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* I (paulj) am aware of.
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*/
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if_set_flags (ifp, IFF_UP | IFF_RUNNING);
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if_refresh (ifp);
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}
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ret = if_set_prefix (ifp, ifc);
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if (ret < 0)
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{
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zlog_warn ("Can't set interface's address: %s",
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safe_strerror(errno));
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continue;
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}
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/* Add to subnet chain list. */
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if_subnet_add (ifp, ifc);
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SET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
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SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
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zebra_interface_address_add_update (ifp, ifc);
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if (if_is_operative(ifp))
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connected_up_ipv4 (ifp, ifc);
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}
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#ifdef HAVE_IPV6
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if (p->family == AF_INET6)
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{
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if (! if_is_up (ifp))
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{
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/* XXX: See long comment above */
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if_set_flags (ifp, IFF_UP | IFF_RUNNING);
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if_refresh (ifp);
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}
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ret = if_prefix_add_ipv6 (ifp, ifc);
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if (ret < 0)
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{
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zlog_warn ("Can't set interface's address: %s",
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safe_strerror(errno));
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continue;
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}
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SET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
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SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
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zebra_interface_address_add_update (ifp, ifc);
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if (if_is_operative(ifp))
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connected_up_ipv6 (ifp, ifc);
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}
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#endif /* HAVE_IPV6 */
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}
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}
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}
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/* Handle interface addition */
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void
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if_add_update (struct interface *ifp)
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{
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struct zebra_if *if_data;
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if_data = ifp->info;
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if (if_data->multicast == IF_ZEBRA_MULTICAST_ON)
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if_set_flags (ifp, IFF_MULTICAST);
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else if (if_data->multicast == IF_ZEBRA_MULTICAST_OFF)
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if_unset_flags (ifp, IFF_MULTICAST);
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zebra_interface_add_update (ifp);
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if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
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{
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SET_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE);
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if_addr_wakeup (ifp);
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if (IS_ZEBRA_DEBUG_KERNEL)
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zlog_debug ("interface %s index %d becomes active.",
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ifp->name, ifp->ifindex);
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}
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else
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{
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if (IS_ZEBRA_DEBUG_KERNEL)
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zlog_debug ("interface %s index %d is added.", ifp->name, ifp->ifindex);
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}
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}
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/* Handle an interface delete event */
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void
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if_delete_update (struct interface *ifp)
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{
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struct connected *ifc;
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struct prefix *p;
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struct route_node *rn;
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struct zebra_if *zebra_if;
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zebra_if = ifp->info;
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if (if_is_up(ifp))
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{
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zlog_err ("interface %s index %d is still up while being deleted.",
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ifp->name, ifp->ifindex);
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return;
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}
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/* Mark interface as inactive */
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UNSET_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE);
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if (IS_ZEBRA_DEBUG_KERNEL)
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zlog_debug ("interface %s index %d is now inactive.",
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ifp->name, ifp->ifindex);
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/* Delete connected routes from the kernel. */
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if (ifp->connected)
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{
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struct listnode *node;
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struct listnode *last = NULL;
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while ((node = (last ? last->next : listhead (ifp->connected))))
|
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{
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ifc = listgetdata (node);
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p = ifc->address;
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if (p->family == AF_INET
|
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&& (rn = route_node_lookup (zebra_if->ipv4_subnets, p)))
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{
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struct listnode *anode;
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struct listnode *next;
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struct listnode *first;
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struct list *addr_list;
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|
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route_unlock_node (rn);
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addr_list = (struct list *) rn->info;
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|
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/* Remove addresses, secondaries first. */
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first = listhead (addr_list);
|
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for (anode = first->next; anode || first; anode = next)
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{
|
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if (!anode)
|
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{
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anode = first;
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first = NULL;
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}
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next = anode->next;
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|
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ifc = listgetdata (anode);
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p = ifc->address;
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connected_down_ipv4 (ifp, ifc);
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|
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zebra_interface_address_delete_update (ifp, ifc);
|
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|
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UNSET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
|
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UNSET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
|
||
|
||
/* Remove from subnet chain. */
|
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list_delete_node (addr_list, anode);
|
||
route_unlock_node (rn);
|
||
|
||
/* Remove from interface address list (unconditionally). */
|
||
if (!CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
{
|
||
listnode_delete (ifp->connected, ifc);
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||
connected_free (ifc);
|
||
}
|
||
else
|
||
last = node;
|
||
}
|
||
|
||
/* Free chain list and respective route node. */
|
||
list_delete (addr_list);
|
||
rn->info = NULL;
|
||
route_unlock_node (rn);
|
||
}
|
||
#ifdef HAVE_IPV6
|
||
else if (p->family == AF_INET6)
|
||
{
|
||
connected_down_ipv6 (ifp, ifc);
|
||
|
||
zebra_interface_address_delete_update (ifp, ifc);
|
||
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
|
||
|
||
if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
last = node;
|
||
else
|
||
{
|
||
listnode_delete (ifp->connected, ifc);
|
||
connected_free (ifc);
|
||
}
|
||
}
|
||
#endif /* HAVE_IPV6 */
|
||
else
|
||
{
|
||
last = node;
|
||
}
|
||
}
|
||
}
|
||
zebra_interface_delete_update (ifp);
|
||
|
||
/* Update ifindex after distributing the delete message. This is in
|
||
case any client needs to have the old value of ifindex available
|
||
while processing the deletion. Each client daemon is responsible
|
||
for setting ifindex to IFINDEX_INTERNAL after processing the
|
||
interface deletion message. */
|
||
ifp->ifindex = IFINDEX_INTERNAL;
|
||
}
|
||
|
||
/* Interface is up. */
|
||
void
|
||
if_up (struct interface *ifp)
|
||
{
|
||
struct listnode *node;
|
||
struct listnode *next;
|
||
struct connected *ifc;
|
||
struct prefix *p;
|
||
|
||
/* Notify the protocol daemons. */
|
||
zebra_interface_up_update (ifp);
|
||
|
||
/* Install connected routes to the kernel. */
|
||
if (ifp->connected)
|
||
{
|
||
for (ALL_LIST_ELEMENTS (ifp->connected, node, next, ifc))
|
||
{
|
||
p = ifc->address;
|
||
|
||
if (p->family == AF_INET)
|
||
connected_up_ipv4 (ifp, ifc);
|
||
#ifdef HAVE_IPV6
|
||
else if (p->family == AF_INET6)
|
||
connected_up_ipv6 (ifp, ifc);
|
||
#endif /* HAVE_IPV6 */
|
||
}
|
||
}
|
||
|
||
/* Examine all static routes. */
|
||
rib_update ();
|
||
}
|
||
|
||
/* Interface goes down. We have to manage different behavior of based
|
||
OS. */
|
||
void
|
||
if_down (struct interface *ifp)
|
||
{
|
||
struct listnode *node;
|
||
struct listnode *next;
|
||
struct connected *ifc;
|
||
struct prefix *p;
|
||
|
||
/* Notify to the protocol daemons. */
|
||
zebra_interface_down_update (ifp);
|
||
|
||
/* Delete connected routes from the kernel. */
|
||
if (ifp->connected)
|
||
{
|
||
for (ALL_LIST_ELEMENTS (ifp->connected, node, next, ifc))
|
||
{
|
||
p = ifc->address;
|
||
|
||
if (p->family == AF_INET)
|
||
connected_down_ipv4 (ifp, ifc);
|
||
#ifdef HAVE_IPV6
|
||
else if (p->family == AF_INET6)
|
||
connected_down_ipv6 (ifp, ifc);
|
||
#endif /* HAVE_IPV6 */
|
||
}
|
||
}
|
||
|
||
/* Examine all static routes which direct to the interface. */
|
||
rib_update ();
|
||
}
|
||
|
||
void
|
||
if_refresh (struct interface *ifp)
|
||
{
|
||
if_get_flags (ifp);
|
||
}
|
||
|
||
/* Output prefix string to vty. */
|
||
static int
|
||
prefix_vty_out (struct vty *vty, struct prefix *p)
|
||
{
|
||
char str[INET6_ADDRSTRLEN];
|
||
|
||
inet_ntop (p->family, &p->u.prefix, str, sizeof (str));
|
||
vty_out (vty, "%s", str);
|
||
return strlen (str);
|
||
}
|
||
|
||
/* Dump if address information to vty. */
|
||
static void
|
||
connected_dump_vty (struct vty *vty, struct connected *connected)
|
||
{
|
||
struct prefix *p;
|
||
|
||
/* Print interface address. */
|
||
p = connected->address;
|
||
vty_out (vty, " %s ", prefix_family_str (p));
|
||
prefix_vty_out (vty, p);
|
||
vty_out (vty, "/%d", p->prefixlen);
|
||
|
||
/* If there is destination address, print it. */
|
||
if (connected->destination)
|
||
{
|
||
vty_out (vty, (CONNECTED_PEER(connected) ? " peer " : " broadcast "));
|
||
prefix_vty_out (vty, connected->destination);
|
||
}
|
||
|
||
if (CHECK_FLAG (connected->flags, ZEBRA_IFA_SECONDARY))
|
||
vty_out (vty, " secondary");
|
||
|
||
if (connected->label)
|
||
vty_out (vty, " %s", connected->label);
|
||
|
||
vty_out (vty, "%s", VTY_NEWLINE);
|
||
}
|
||
|
||
#ifdef RTADV
|
||
/* Dump interface ND information to vty. */
|
||
static void
|
||
nd_dump_vty (struct vty *vty, struct interface *ifp)
|
||
{
|
||
struct zebra_if *zif;
|
||
struct rtadvconf *rtadv;
|
||
int interval;
|
||
|
||
zif = (struct zebra_if *) ifp->info;
|
||
rtadv = &zif->rtadv;
|
||
|
||
if (rtadv->AdvSendAdvertisements)
|
||
{
|
||
vty_out (vty, " ND advertised reachable time is %d milliseconds%s",
|
||
rtadv->AdvReachableTime, VTY_NEWLINE);
|
||
vty_out (vty, " ND advertised retransmit interval is %d milliseconds%s",
|
||
rtadv->AdvRetransTimer, VTY_NEWLINE);
|
||
interval = rtadv->MaxRtrAdvInterval;
|
||
if (interval % 1000)
|
||
vty_out (vty, " ND router advertisements are sent every "
|
||
"%d milliseconds%s", interval,
|
||
VTY_NEWLINE);
|
||
else
|
||
vty_out (vty, " ND router advertisements are sent every "
|
||
"%d seconds%s", interval / 1000,
|
||
VTY_NEWLINE);
|
||
if (rtadv->AdvDefaultLifetime != -1)
|
||
vty_out (vty, " ND router advertisements live for %d seconds%s",
|
||
rtadv->AdvDefaultLifetime, VTY_NEWLINE);
|
||
else
|
||
vty_out (vty, " ND router advertisements lifetime tracks ra-interval%s",
|
||
VTY_NEWLINE);
|
||
vty_out (vty, " ND router advertisement default router preference is "
|
||
"%s%s", rtadv_pref_strs[rtadv->DefaultPreference],
|
||
VTY_NEWLINE);
|
||
if (rtadv->AdvManagedFlag)
|
||
vty_out (vty, " Hosts use DHCP to obtain routable addresses.%s",
|
||
VTY_NEWLINE);
|
||
else
|
||
vty_out (vty, " Hosts use stateless autoconfig for addresses.%s",
|
||
VTY_NEWLINE);
|
||
if (rtadv->AdvHomeAgentFlag)
|
||
{
|
||
vty_out (vty, " ND router advertisements with "
|
||
"Home Agent flag bit set.%s",
|
||
VTY_NEWLINE);
|
||
if (rtadv->HomeAgentLifetime != -1)
|
||
vty_out (vty, " Home Agent lifetime is %u seconds%s",
|
||
rtadv->HomeAgentLifetime, VTY_NEWLINE);
|
||
else
|
||
vty_out (vty, " Home Agent lifetime tracks ra-lifetime%s",
|
||
VTY_NEWLINE);
|
||
vty_out (vty, " Home Agent preference is %u%s",
|
||
rtadv->HomeAgentPreference, VTY_NEWLINE);
|
||
}
|
||
if (rtadv->AdvIntervalOption)
|
||
vty_out (vty, " ND router advertisements with Adv. Interval option.%s",
|
||
VTY_NEWLINE);
|
||
}
|
||
}
|
||
#endif /* RTADV */
|
||
|
||
/* Interface's information print out to vty interface. */
|
||
static void
|
||
if_dump_vty (struct vty *vty, struct interface *ifp)
|
||
{
|
||
#ifdef HAVE_STRUCT_SOCKADDR_DL
|
||
struct sockaddr_dl *sdl;
|
||
#endif /* HAVE_STRUCT_SOCKADDR_DL */
|
||
struct connected *connected;
|
||
struct listnode *node;
|
||
struct route_node *rn;
|
||
struct zebra_if *zebra_if;
|
||
|
||
zebra_if = ifp->info;
|
||
|
||
vty_out (vty, "Interface %s is ", ifp->name);
|
||
if (if_is_up(ifp)) {
|
||
vty_out (vty, "up, line protocol ");
|
||
|
||
if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) {
|
||
if (if_is_running(ifp))
|
||
vty_out (vty, "is up%s", VTY_NEWLINE);
|
||
else
|
||
vty_out (vty, "is down%s", VTY_NEWLINE);
|
||
} else {
|
||
vty_out (vty, "detection is disabled%s", VTY_NEWLINE);
|
||
}
|
||
} else {
|
||
vty_out (vty, "down%s", VTY_NEWLINE);
|
||
}
|
||
|
||
if (ifp->desc)
|
||
vty_out (vty, " Description: %s%s", ifp->desc,
|
||
VTY_NEWLINE);
|
||
if (ifp->ifindex == IFINDEX_INTERNAL)
|
||
{
|
||
vty_out(vty, " pseudo interface%s", VTY_NEWLINE);
|
||
return;
|
||
}
|
||
else if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
vty_out(vty, " index %d inactive interface%s",
|
||
ifp->ifindex,
|
||
VTY_NEWLINE);
|
||
return;
|
||
}
|
||
|
||
vty_out (vty, " index %d metric %d mtu %d ",
|
||
ifp->ifindex, ifp->metric, ifp->mtu);
|
||
#ifdef HAVE_IPV6
|
||
if (ifp->mtu6 != ifp->mtu)
|
||
vty_out (vty, "mtu6 %d ", ifp->mtu6);
|
||
#endif
|
||
vty_out (vty, "%s flags: %s%s", VTY_NEWLINE,
|
||
if_flag_dump (ifp->flags), VTY_NEWLINE);
|
||
|
||
/* Hardware address. */
|
||
#ifdef HAVE_STRUCT_SOCKADDR_DL
|
||
sdl = &ifp->sdl;
|
||
if (sdl != NULL && sdl->sdl_alen != 0)
|
||
{
|
||
int i;
|
||
u_char *ptr;
|
||
|
||
vty_out (vty, " HWaddr: ");
|
||
for (i = 0, ptr = (u_char *)LLADDR (sdl); i < sdl->sdl_alen; i++, ptr++)
|
||
vty_out (vty, "%s%02x", i == 0 ? "" : ":", *ptr);
|
||
vty_out (vty, "%s", VTY_NEWLINE);
|
||
}
|
||
#else
|
||
if (ifp->hw_addr_len != 0)
|
||
{
|
||
int i;
|
||
|
||
vty_out (vty, " HWaddr: ");
|
||
for (i = 0; i < ifp->hw_addr_len; i++)
|
||
vty_out (vty, "%s%02x", i == 0 ? "" : ":", ifp->hw_addr[i]);
|
||
vty_out (vty, "%s", VTY_NEWLINE);
|
||
}
|
||
#endif /* HAVE_STRUCT_SOCKADDR_DL */
|
||
|
||
/* Bandwidth in kbps */
|
||
if (ifp->bandwidth != 0)
|
||
{
|
||
vty_out(vty, " bandwidth %u kbps", ifp->bandwidth);
|
||
vty_out(vty, "%s", VTY_NEWLINE);
|
||
}
|
||
|
||
for (rn = route_top (zebra_if->ipv4_subnets); rn; rn = route_next (rn))
|
||
{
|
||
if (! rn->info)
|
||
continue;
|
||
|
||
for (ALL_LIST_ELEMENTS_RO ((struct list *)rn->info, node, connected))
|
||
connected_dump_vty (vty, connected);
|
||
}
|
||
|
||
for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, connected))
|
||
{
|
||
if (CHECK_FLAG (connected->conf, ZEBRA_IFC_REAL) &&
|
||
(connected->address->family == AF_INET6))
|
||
connected_dump_vty (vty, connected);
|
||
}
|
||
|
||
#ifdef RTADV
|
||
nd_dump_vty (vty, ifp);
|
||
#endif /* RTADV */
|
||
|
||
#ifdef HAVE_PROC_NET_DEV
|
||
/* Statistics print out using proc file system. */
|
||
vty_out (vty, " %lu input packets (%lu multicast), %lu bytes, "
|
||
"%lu dropped%s",
|
||
ifp->stats.rx_packets, ifp->stats.rx_multicast,
|
||
ifp->stats.rx_bytes, ifp->stats.rx_dropped, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " %lu input errors, %lu length, %lu overrun,"
|
||
" %lu CRC, %lu frame%s",
|
||
ifp->stats.rx_errors, ifp->stats.rx_length_errors,
|
||
ifp->stats.rx_over_errors, ifp->stats.rx_crc_errors,
|
||
ifp->stats.rx_frame_errors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " %lu fifo, %lu missed%s", ifp->stats.rx_fifo_errors,
|
||
ifp->stats.rx_missed_errors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " %lu output packets, %lu bytes, %lu dropped%s",
|
||
ifp->stats.tx_packets, ifp->stats.tx_bytes,
|
||
ifp->stats.tx_dropped, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " %lu output errors, %lu aborted, %lu carrier,"
|
||
" %lu fifo, %lu heartbeat%s",
|
||
ifp->stats.tx_errors, ifp->stats.tx_aborted_errors,
|
||
ifp->stats.tx_carrier_errors, ifp->stats.tx_fifo_errors,
|
||
ifp->stats.tx_heartbeat_errors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " %lu window, %lu collisions%s",
|
||
ifp->stats.tx_window_errors, ifp->stats.collisions, VTY_NEWLINE);
|
||
#endif /* HAVE_PROC_NET_DEV */
|
||
|
||
#ifdef HAVE_NET_RT_IFLIST
|
||
#if defined (__bsdi__) || defined (__NetBSD__)
|
||
/* Statistics print out using sysctl (). */
|
||
vty_out (vty, " input packets %qu, bytes %qu, dropped %qu,"
|
||
" multicast packets %qu%s",
|
||
ifp->stats.ifi_ipackets, ifp->stats.ifi_ibytes,
|
||
ifp->stats.ifi_iqdrops, ifp->stats.ifi_imcasts,
|
||
VTY_NEWLINE);
|
||
|
||
vty_out (vty, " input errors %qu%s",
|
||
ifp->stats.ifi_ierrors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " output packets %qu, bytes %qu, multicast packets %qu%s",
|
||
ifp->stats.ifi_opackets, ifp->stats.ifi_obytes,
|
||
ifp->stats.ifi_omcasts, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " output errors %qu%s",
|
||
ifp->stats.ifi_oerrors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " collisions %qu%s",
|
||
ifp->stats.ifi_collisions, VTY_NEWLINE);
|
||
#else
|
||
/* Statistics print out using sysctl (). */
|
||
vty_out (vty, " input packets %lu, bytes %lu, dropped %lu,"
|
||
" multicast packets %lu%s",
|
||
ifp->stats.ifi_ipackets, ifp->stats.ifi_ibytes,
|
||
ifp->stats.ifi_iqdrops, ifp->stats.ifi_imcasts,
|
||
VTY_NEWLINE);
|
||
|
||
vty_out (vty, " input errors %lu%s",
|
||
ifp->stats.ifi_ierrors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " output packets %lu, bytes %lu, multicast packets %lu%s",
|
||
ifp->stats.ifi_opackets, ifp->stats.ifi_obytes,
|
||
ifp->stats.ifi_omcasts, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " output errors %lu%s",
|
||
ifp->stats.ifi_oerrors, VTY_NEWLINE);
|
||
|
||
vty_out (vty, " collisions %lu%s",
|
||
ifp->stats.ifi_collisions, VTY_NEWLINE);
|
||
#endif /* __bsdi__ || __NetBSD__ */
|
||
#endif /* HAVE_NET_RT_IFLIST */
|
||
}
|
||
|
||
/* Wrapper hook point for zebra daemon so that ifindex can be set
|
||
* DEFUN macro not used as extract.pl HAS to ignore this
|
||
* See also interface_cmd in lib/if.c
|
||
*/
|
||
DEFUN_NOSH (zebra_interface,
|
||
zebra_interface_cmd,
|
||
"interface IFNAME",
|
||
"Select an interface to configure\n"
|
||
"Interface's name\n")
|
||
{
|
||
int ret;
|
||
struct interface * ifp;
|
||
|
||
/* Call lib interface() */
|
||
if ((ret = interface_cmd.func (self, vty, argc, argv)) != CMD_SUCCESS)
|
||
return ret;
|
||
|
||
ifp = vty->index;
|
||
|
||
if (ifp->ifindex == IFINDEX_INTERNAL)
|
||
/* Is this really necessary? Shouldn't status be initialized to 0
|
||
in that case? */
|
||
UNSET_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE);
|
||
|
||
return ret;
|
||
}
|
||
|
||
struct cmd_node interface_node =
|
||
{
|
||
INTERFACE_NODE,
|
||
"%s(config-if)# ",
|
||
1
|
||
};
|
||
|
||
/* Show all or specified interface to vty. */
|
||
DEFUN (show_interface, show_interface_cmd,
|
||
"show interface [IFNAME]",
|
||
SHOW_STR
|
||
"Interface status and configuration\n"
|
||
"Inteface name\n")
|
||
{
|
||
struct listnode *node;
|
||
struct interface *ifp;
|
||
|
||
#ifdef HAVE_PROC_NET_DEV
|
||
/* If system has interface statistics via proc file system, update
|
||
statistics. */
|
||
ifstat_update_proc ();
|
||
#endif /* HAVE_PROC_NET_DEV */
|
||
#ifdef HAVE_NET_RT_IFLIST
|
||
ifstat_update_sysctl ();
|
||
#endif /* HAVE_NET_RT_IFLIST */
|
||
|
||
/* Specified interface print. */
|
||
if (argc != 0)
|
||
{
|
||
ifp = if_lookup_by_name (argv[0]);
|
||
if (ifp == NULL)
|
||
{
|
||
vty_out (vty, "%% Can't find interface %s%s", argv[0],
|
||
VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
if_dump_vty (vty, ifp);
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
/* All interface print. */
|
||
for (ALL_LIST_ELEMENTS_RO (iflist, node, ifp))
|
||
if_dump_vty (vty, ifp);
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (show_interface_desc,
|
||
show_interface_desc_cmd,
|
||
"show interface description",
|
||
SHOW_STR
|
||
"Interface status and configuration\n"
|
||
"Interface description\n")
|
||
{
|
||
struct listnode *node;
|
||
struct interface *ifp;
|
||
|
||
vty_out (vty, "Interface Status Protocol Description%s", VTY_NEWLINE);
|
||
for (ALL_LIST_ELEMENTS_RO (iflist, node, ifp))
|
||
{
|
||
int len;
|
||
|
||
len = vty_out (vty, "%s", ifp->name);
|
||
vty_out (vty, "%*s", (16 - len), " ");
|
||
|
||
if (if_is_up(ifp))
|
||
{
|
||
vty_out (vty, "up ");
|
||
if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))
|
||
{
|
||
if (if_is_running(ifp))
|
||
vty_out (vty, "up ");
|
||
else
|
||
vty_out (vty, "down ");
|
||
}
|
||
else
|
||
{
|
||
vty_out (vty, "unknown ");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
vty_out (vty, "down down ");
|
||
}
|
||
|
||
if (ifp->desc)
|
||
vty_out (vty, "%s", ifp->desc);
|
||
vty_out (vty, "%s", VTY_NEWLINE);
|
||
}
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (multicast,
|
||
multicast_cmd,
|
||
"multicast",
|
||
"Set multicast flag to interface\n")
|
||
{
|
||
int ret;
|
||
struct interface *ifp;
|
||
struct zebra_if *if_data;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
ret = if_set_flags (ifp, IFF_MULTICAST);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "Can't set multicast flag%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
if_refresh (ifp);
|
||
}
|
||
if_data = ifp->info;
|
||
if_data->multicast = IF_ZEBRA_MULTICAST_ON;
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (no_multicast,
|
||
no_multicast_cmd,
|
||
"no multicast",
|
||
NO_STR
|
||
"Unset multicast flag to interface\n")
|
||
{
|
||
int ret;
|
||
struct interface *ifp;
|
||
struct zebra_if *if_data;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
ret = if_unset_flags (ifp, IFF_MULTICAST);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "Can't unset multicast flag%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
if_refresh (ifp);
|
||
}
|
||
if_data = ifp->info;
|
||
if_data->multicast = IF_ZEBRA_MULTICAST_OFF;
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (linkdetect,
|
||
linkdetect_cmd,
|
||
"link-detect",
|
||
"Enable link detection on interface\n")
|
||
{
|
||
struct interface *ifp;
|
||
int if_was_operative;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
if_was_operative = if_is_operative(ifp);
|
||
SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION);
|
||
|
||
/* When linkdetection is enabled, if might come down */
|
||
if (!if_is_operative(ifp) && if_was_operative) if_down(ifp);
|
||
|
||
/* FIXME: Will defer status change forwarding if interface
|
||
does not come down! */
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
|
||
DEFUN (no_linkdetect,
|
||
no_linkdetect_cmd,
|
||
"no link-detect",
|
||
NO_STR
|
||
"Disable link detection on interface\n")
|
||
{
|
||
struct interface *ifp;
|
||
int if_was_operative;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
if_was_operative = if_is_operative(ifp);
|
||
UNSET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION);
|
||
|
||
/* Interface may come up after disabling link detection */
|
||
if (if_is_operative(ifp) && !if_was_operative) if_up(ifp);
|
||
|
||
/* FIXME: see linkdetect_cmd */
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (shutdown_if,
|
||
shutdown_if_cmd,
|
||
"shutdown",
|
||
"Shutdown the selected interface\n")
|
||
{
|
||
int ret;
|
||
struct interface *ifp;
|
||
struct zebra_if *if_data;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
ret = if_unset_flags (ifp, IFF_UP);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "Can't shutdown interface%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
if_refresh (ifp);
|
||
if_data = ifp->info;
|
||
if_data->shutdown = IF_ZEBRA_SHUTDOWN_ON;
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (no_shutdown_if,
|
||
no_shutdown_if_cmd,
|
||
"no shutdown",
|
||
NO_STR
|
||
"Shutdown the selected interface\n")
|
||
{
|
||
int ret;
|
||
struct interface *ifp;
|
||
struct zebra_if *if_data;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
ret = if_set_flags (ifp, IFF_UP | IFF_RUNNING);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "Can't up interface%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
if_refresh (ifp);
|
||
if_data = ifp->info;
|
||
if_data->shutdown = IF_ZEBRA_SHUTDOWN_OFF;
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (bandwidth_if,
|
||
bandwidth_if_cmd,
|
||
"bandwidth <1-10000000>",
|
||
"Set bandwidth informational parameter\n"
|
||
"Bandwidth in kilobits\n")
|
||
{
|
||
struct interface *ifp;
|
||
unsigned int bandwidth;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
bandwidth = strtol(argv[0], NULL, 10);
|
||
|
||
/* bandwidth range is <1-10000000> */
|
||
if (bandwidth < 1 || bandwidth > 10000000)
|
||
{
|
||
vty_out (vty, "Bandwidth is invalid%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
ifp->bandwidth = bandwidth;
|
||
|
||
/* force protocols to recalculate routes due to cost change */
|
||
if (if_is_operative (ifp))
|
||
zebra_interface_up_update (ifp);
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (no_bandwidth_if,
|
||
no_bandwidth_if_cmd,
|
||
"no bandwidth",
|
||
NO_STR
|
||
"Set bandwidth informational parameter\n")
|
||
{
|
||
struct interface *ifp;
|
||
|
||
ifp = (struct interface *) vty->index;
|
||
|
||
ifp->bandwidth = 0;
|
||
|
||
/* force protocols to recalculate routes due to cost change */
|
||
if (if_is_operative (ifp))
|
||
zebra_interface_up_update (ifp);
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
ALIAS (no_bandwidth_if,
|
||
no_bandwidth_if_val_cmd,
|
||
"no bandwidth <1-10000000>",
|
||
NO_STR
|
||
"Set bandwidth informational parameter\n"
|
||
"Bandwidth in kilobits\n")
|
||
|
||
static int
|
||
ip_address_install (struct vty *vty, struct interface *ifp,
|
||
const char *addr_str, const char *peer_str,
|
||
const char *label)
|
||
{
|
||
struct prefix_ipv4 cp;
|
||
struct connected *ifc;
|
||
struct prefix_ipv4 *p;
|
||
int ret;
|
||
|
||
ret = str2prefix_ipv4 (addr_str, &cp);
|
||
if (ret <= 0)
|
||
{
|
||
vty_out (vty, "%% Malformed address %s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
ifc = connected_check (ifp, (struct prefix *) &cp);
|
||
if (! ifc)
|
||
{
|
||
ifc = connected_new ();
|
||
ifc->ifp = ifp;
|
||
|
||
/* Address. */
|
||
p = prefix_ipv4_new ();
|
||
*p = cp;
|
||
ifc->address = (struct prefix *) p;
|
||
|
||
/* Broadcast. */
|
||
if (p->prefixlen <= IPV4_MAX_PREFIXLEN-2)
|
||
{
|
||
p = prefix_ipv4_new ();
|
||
*p = cp;
|
||
p->prefix.s_addr = ipv4_broadcast_addr(p->prefix.s_addr,p->prefixlen);
|
||
ifc->destination = (struct prefix *) p;
|
||
}
|
||
|
||
/* Label. */
|
||
if (label)
|
||
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
|
||
|
||
/* Add to linked list. */
|
||
listnode_add (ifp->connected, ifc);
|
||
}
|
||
|
||
/* This address is configured from zebra. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
SET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED);
|
||
|
||
/* In case of this route need to install kernel. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_QUEUED)
|
||
&& CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
/* Some system need to up the interface to set IP address. */
|
||
if (! if_is_up (ifp))
|
||
{
|
||
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
|
||
if_refresh (ifp);
|
||
}
|
||
|
||
ret = if_set_prefix (ifp, ifc);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "%% Can't set interface IP address: %s.%s",
|
||
safe_strerror(errno), VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* Add to subnet chain list (while marking secondary attribute). */
|
||
if_subnet_add (ifp, ifc);
|
||
|
||
/* IP address propery set. */
|
||
SET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
|
||
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
|
||
|
||
/* Update interface address information to protocol daemon. */
|
||
zebra_interface_address_add_update (ifp, ifc);
|
||
|
||
/* If interface is up register connected route. */
|
||
if (if_is_operative(ifp))
|
||
connected_up_ipv4 (ifp, ifc);
|
||
}
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
static int
|
||
ip_address_uninstall (struct vty *vty, struct interface *ifp,
|
||
const char *addr_str, const char *peer_str,
|
||
const char *label)
|
||
{
|
||
struct prefix_ipv4 cp;
|
||
struct connected *ifc;
|
||
int ret;
|
||
|
||
/* Convert to prefix structure. */
|
||
ret = str2prefix_ipv4 (addr_str, &cp);
|
||
if (ret <= 0)
|
||
{
|
||
vty_out (vty, "%% Malformed address %s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* Check current interface address. */
|
||
ifc = connected_check (ifp, (struct prefix *) &cp);
|
||
if (! ifc)
|
||
{
|
||
vty_out (vty, "%% Can't find address%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* This is not configured address. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
return CMD_WARNING;
|
||
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED);
|
||
|
||
/* This is not real address or interface is not active. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_QUEUED)
|
||
|| ! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
listnode_delete (ifp->connected, ifc);
|
||
connected_free (ifc);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* This is real route. */
|
||
ret = if_unset_prefix (ifp, ifc);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "%% Can't unset interface IP address: %s.%s",
|
||
safe_strerror(errno), VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
/* success! call returned that the address deletion went through.
|
||
* this is a synchronous operation, so we know it succeeded and can
|
||
* now update all internal state. */
|
||
|
||
/* the HAVE_NETLINK check is only here because, on BSD, although the
|
||
* call above is still synchronous, we get a second confirmation later
|
||
* through the route socket, and we don't want to touch that behaviour
|
||
* for now. It should work without the #ifdef, but why take the risk...
|
||
* -- equinox 2012-07-13 */
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
|
||
#ifdef HAVE_NETLINK
|
||
|
||
/* Remove connected route. */
|
||
connected_down_ipv4 (ifp, ifc);
|
||
|
||
/* Redistribute this information. */
|
||
zebra_interface_address_delete_update (ifp, ifc);
|
||
|
||
/* IP address propery set. */
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
|
||
|
||
/* remove from interface, remark secondaries */
|
||
if_subnet_delete (ifp, ifc);
|
||
|
||
/* Free address information. */
|
||
listnode_delete (ifp->connected, ifc);
|
||
connected_free (ifc);
|
||
#endif
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (ip_address,
|
||
ip_address_cmd,
|
||
"ip address A.B.C.D/M",
|
||
"Interface Internet Protocol config commands\n"
|
||
"Set the IP address of an interface\n"
|
||
"IP address (e.g. 10.0.0.1/8)\n")
|
||
{
|
||
return ip_address_install (vty, vty->index, argv[0], NULL, NULL);
|
||
}
|
||
|
||
DEFUN (no_ip_address,
|
||
no_ip_address_cmd,
|
||
"no ip address A.B.C.D/M",
|
||
NO_STR
|
||
"Interface Internet Protocol config commands\n"
|
||
"Set the IP address of an interface\n"
|
||
"IP Address (e.g. 10.0.0.1/8)")
|
||
{
|
||
return ip_address_uninstall (vty, vty->index, argv[0], NULL, NULL);
|
||
}
|
||
|
||
#ifdef HAVE_NETLINK
|
||
DEFUN (ip_address_label,
|
||
ip_address_label_cmd,
|
||
"ip address A.B.C.D/M label LINE",
|
||
"Interface Internet Protocol config commands\n"
|
||
"Set the IP address of an interface\n"
|
||
"IP address (e.g. 10.0.0.1/8)\n"
|
||
"Label of this address\n"
|
||
"Label\n")
|
||
{
|
||
return ip_address_install (vty, vty->index, argv[0], NULL, argv[1]);
|
||
}
|
||
|
||
DEFUN (no_ip_address_label,
|
||
no_ip_address_label_cmd,
|
||
"no ip address A.B.C.D/M label LINE",
|
||
NO_STR
|
||
"Interface Internet Protocol config commands\n"
|
||
"Set the IP address of an interface\n"
|
||
"IP address (e.g. 10.0.0.1/8)\n"
|
||
"Label of this address\n"
|
||
"Label\n")
|
||
{
|
||
return ip_address_uninstall (vty, vty->index, argv[0], NULL, argv[1]);
|
||
}
|
||
#endif /* HAVE_NETLINK */
|
||
|
||
#ifdef HAVE_IPV6
|
||
static int
|
||
ipv6_address_install (struct vty *vty, struct interface *ifp,
|
||
const char *addr_str, const char *peer_str,
|
||
const char *label, int secondary)
|
||
{
|
||
struct prefix_ipv6 cp;
|
||
struct connected *ifc;
|
||
struct prefix_ipv6 *p;
|
||
int ret;
|
||
|
||
ret = str2prefix_ipv6 (addr_str, &cp);
|
||
if (ret <= 0)
|
||
{
|
||
vty_out (vty, "%% Malformed address %s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
ifc = connected_check (ifp, (struct prefix *) &cp);
|
||
if (! ifc)
|
||
{
|
||
ifc = connected_new ();
|
||
ifc->ifp = ifp;
|
||
|
||
/* Address. */
|
||
p = prefix_ipv6_new ();
|
||
*p = cp;
|
||
ifc->address = (struct prefix *) p;
|
||
|
||
/* Secondary. */
|
||
if (secondary)
|
||
SET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY);
|
||
|
||
/* Label. */
|
||
if (label)
|
||
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
|
||
|
||
/* Add to linked list. */
|
||
listnode_add (ifp->connected, ifc);
|
||
}
|
||
|
||
/* This address is configured from zebra. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
SET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED);
|
||
|
||
/* In case of this route need to install kernel. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_QUEUED)
|
||
&& CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
/* Some system need to up the interface to set IP address. */
|
||
if (! if_is_up (ifp))
|
||
{
|
||
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
|
||
if_refresh (ifp);
|
||
}
|
||
|
||
ret = if_prefix_add_ipv6 (ifp, ifc);
|
||
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "%% Can't set interface IP address: %s.%s",
|
||
safe_strerror(errno), VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* IP address propery set. */
|
||
SET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
|
||
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
|
||
|
||
/* Update interface address information to protocol daemon. */
|
||
zebra_interface_address_add_update (ifp, ifc);
|
||
|
||
/* If interface is up register connected route. */
|
||
if (if_is_operative(ifp))
|
||
connected_up_ipv6 (ifp, ifc);
|
||
}
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
static int
|
||
ipv6_address_uninstall (struct vty *vty, struct interface *ifp,
|
||
const char *addr_str, const char *peer_str,
|
||
const char *label, int secondry)
|
||
{
|
||
struct prefix_ipv6 cp;
|
||
struct connected *ifc;
|
||
int ret;
|
||
|
||
/* Convert to prefix structure. */
|
||
ret = str2prefix_ipv6 (addr_str, &cp);
|
||
if (ret <= 0)
|
||
{
|
||
vty_out (vty, "%% Malformed address %s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* Check current interface address. */
|
||
ifc = connected_check (ifp, (struct prefix *) &cp);
|
||
if (! ifc)
|
||
{
|
||
vty_out (vty, "%% Can't find address%s", VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* This is not configured address. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
return CMD_WARNING;
|
||
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED);
|
||
|
||
/* This is not real address or interface is not active. */
|
||
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_QUEUED)
|
||
|| ! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE))
|
||
{
|
||
listnode_delete (ifp->connected, ifc);
|
||
connected_free (ifc);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
/* This is real route. */
|
||
ret = if_prefix_delete_ipv6 (ifp, ifc);
|
||
if (ret < 0)
|
||
{
|
||
vty_out (vty, "%% Can't unset interface IP address: %s.%s",
|
||
safe_strerror(errno), VTY_NEWLINE);
|
||
return CMD_WARNING;
|
||
}
|
||
|
||
UNSET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
|
||
|
||
/* Redistribute this information. */
|
||
zebra_interface_address_delete_update (ifp, ifc);
|
||
|
||
/* Remove connected route. */
|
||
connected_down_ipv6 (ifp, ifc);
|
||
|
||
/* Free address information. */
|
||
listnode_delete (ifp->connected, ifc);
|
||
connected_free (ifc);
|
||
|
||
return CMD_SUCCESS;
|
||
}
|
||
|
||
DEFUN (ipv6_address,
|
||
ipv6_address_cmd,
|
||
"ipv6 address X:X::X:X/M",
|
||
"Interface IPv6 config commands\n"
|
||
"Set the IP address of an interface\n"
|
||
"IPv6 address (e.g. 3ffe:506::1/48)\n")
|
||
{
|
||
return ipv6_address_install (vty, vty->index, argv[0], NULL, NULL, 0);
|
||
}
|
||
|
||
DEFUN (no_ipv6_address,
|
||
no_ipv6_address_cmd,
|
||
"no ipv6 address X:X::X:X/M",
|
||
NO_STR
|
||
"Interface IPv6 config commands\n"
|
||
"Set the IP address of an interface\n"
|
||
"IPv6 address (e.g. 3ffe:506::1/48)\n")
|
||
{
|
||
return ipv6_address_uninstall (vty, vty->index, argv[0], NULL, NULL, 0);
|
||
}
|
||
#endif /* HAVE_IPV6 */
|
||
|
||
static int
|
||
if_config_write (struct vty *vty)
|
||
{
|
||
struct listnode *node;
|
||
struct interface *ifp;
|
||
|
||
for (ALL_LIST_ELEMENTS_RO (iflist, node, ifp))
|
||
{
|
||
struct zebra_if *if_data;
|
||
struct listnode *addrnode;
|
||
struct connected *ifc;
|
||
struct prefix *p;
|
||
|
||
if_data = ifp->info;
|
||
|
||
vty_out (vty, "interface %s%s", ifp->name,
|
||
VTY_NEWLINE);
|
||
|
||
if (ifp->desc)
|
||
vty_out (vty, " description %s%s", ifp->desc,
|
||
VTY_NEWLINE);
|
||
|
||
/* Assign bandwidth here to avoid unnecessary interface flap
|
||
while processing config script */
|
||
if (ifp->bandwidth != 0)
|
||
vty_out(vty, " bandwidth %u%s", ifp->bandwidth, VTY_NEWLINE);
|
||
|
||
if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))
|
||
vty_out(vty, " link-detect%s", VTY_NEWLINE);
|
||
|
||
for (ALL_LIST_ELEMENTS_RO (ifp->connected, addrnode, ifc))
|
||
{
|
||
if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
|
||
{
|
||
char buf[INET6_ADDRSTRLEN];
|
||
p = ifc->address;
|
||
vty_out (vty, " ip%s address %s/%d",
|
||
p->family == AF_INET ? "" : "v6",
|
||
inet_ntop (p->family, &p->u.prefix, buf, sizeof(buf)),
|
||
p->prefixlen);
|
||
|
||
if (ifc->label)
|
||
vty_out (vty, " label %s", ifc->label);
|
||
|
||
vty_out (vty, "%s", VTY_NEWLINE);
|
||
}
|
||
}
|
||
|
||
if (if_data)
|
||
{
|
||
if (if_data->shutdown == IF_ZEBRA_SHUTDOWN_ON)
|
||
vty_out (vty, " shutdown%s", VTY_NEWLINE);
|
||
|
||
if (if_data->multicast != IF_ZEBRA_MULTICAST_UNSPEC)
|
||
vty_out (vty, " %smulticast%s",
|
||
if_data->multicast == IF_ZEBRA_MULTICAST_ON ? "" : "no ",
|
||
VTY_NEWLINE);
|
||
}
|
||
|
||
#ifdef RTADV
|
||
rtadv_config_write (vty, ifp);
|
||
#endif /* RTADV */
|
||
|
||
#ifdef HAVE_IRDP
|
||
irdp_config_write (vty, ifp);
|
||
#endif /* IRDP */
|
||
|
||
vty_out (vty, "!%s", VTY_NEWLINE);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/* Allocate and initialize interface vector. */
|
||
void
|
||
zebra_if_init (void)
|
||
{
|
||
/* Initialize interface and new hook. */
|
||
if_init ();
|
||
if_add_hook (IF_NEW_HOOK, if_zebra_new_hook);
|
||
if_add_hook (IF_DELETE_HOOK, if_zebra_delete_hook);
|
||
|
||
/* Install configuration write function. */
|
||
install_node (&interface_node, if_config_write);
|
||
|
||
install_element (VIEW_NODE, &show_interface_cmd);
|
||
install_element (ENABLE_NODE, &show_interface_cmd);
|
||
install_element (ENABLE_NODE, &show_interface_desc_cmd);
|
||
install_element (CONFIG_NODE, &zebra_interface_cmd);
|
||
install_element (CONFIG_NODE, &no_interface_cmd);
|
||
install_default (INTERFACE_NODE);
|
||
install_element (INTERFACE_NODE, &interface_desc_cmd);
|
||
install_element (INTERFACE_NODE, &no_interface_desc_cmd);
|
||
install_element (INTERFACE_NODE, &multicast_cmd);
|
||
install_element (INTERFACE_NODE, &no_multicast_cmd);
|
||
install_element (INTERFACE_NODE, &linkdetect_cmd);
|
||
install_element (INTERFACE_NODE, &no_linkdetect_cmd);
|
||
install_element (INTERFACE_NODE, &shutdown_if_cmd);
|
||
install_element (INTERFACE_NODE, &no_shutdown_if_cmd);
|
||
install_element (INTERFACE_NODE, &bandwidth_if_cmd);
|
||
install_element (INTERFACE_NODE, &no_bandwidth_if_cmd);
|
||
install_element (INTERFACE_NODE, &no_bandwidth_if_val_cmd);
|
||
install_element (INTERFACE_NODE, &ip_address_cmd);
|
||
install_element (INTERFACE_NODE, &no_ip_address_cmd);
|
||
#ifdef HAVE_IPV6
|
||
install_element (INTERFACE_NODE, &ipv6_address_cmd);
|
||
install_element (INTERFACE_NODE, &no_ipv6_address_cmd);
|
||
#endif /* HAVE_IPV6 */
|
||
#ifdef HAVE_NETLINK
|
||
install_element (INTERFACE_NODE, &ip_address_label_cmd);
|
||
install_element (INTERFACE_NODE, &no_ip_address_label_cmd);
|
||
#endif /* HAVE_NETLINK */
|
||
}
|