Re: [mpls-linux-general] Problem no labelspace
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Re: [mpls-linux-general] Problem no labelspace
|
From: Georg K. <gk...@gi...> - 2002-11-08 14:49:38
|
Hi all,
The following patch fixes my symptons, but I am not sure whether this
would be the right place and the right conditions und what the
do_mpls_labelspace() function is called. Probably there need a few flags
to be checked?!?
-------------- begin patch -----------------------------------------
diff -u mpls_zebra.c.orig mpls_zebra.c
--- mpls_zebra.c.orig Fri Nov 8 13:59:10 2002
+++ mpls_zebra.c Fri Nov 8 15:43:25 2002
@@ -12,6 +12,7 @@
#include "mpls_interface.h"
#include "impl_fib.h"
#include "impl_ifmgr.h"
+#include "impl_mpls.h"
/* All information about zebra. */
struct zclient *zclient =3D NULL;
@@ -39,9 +40,16 @@
int mpls_interface_add(int command, struct zclient *zclient,
zebra_size_t length) {
struct interface *ifp;
+ struct mpls_interface *mi;
ifp =3D zebra_interface_add_read(zclient->ibuf);
+ mi =3D (struct mpls_interface*)ifp->info;
+ if (mi !=3D NULL && mi->ldp !=3D NULL) {
+ /* Initialize labelspace to kernel */
+ do_mpls_labelspace(mi);
+ }
+
zlog_info("interface add %s index %d flags %ld metric %d mtu %d",
ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mt=
u);
-------------------------- End patch -------------------------
Kind regards,
Georg Klug
> -----Urspr=FCngliche Nachricht-----
> Von: mpl...@li...
> [mailto:mpl...@li...]Im Auftrag von
> Georg Klug
> Gesendet: Freitag, 8. November 2002 12:09
> An: Mpls-Linux-General
> Betreff: [mpls-linux-general] Problem no labelspace
>
>
> Hi all,
>
> today I tried sending of labeled packets between adjancent nodes. But
> I was facing the kernel message:
> "mpls_rcv: MPLS unicast packet recv on interface w/o a labelspace"
>
> I checked that the labelspace needs to be enabled by the LDP during the
> do_mpls_labelspace() function. But do_mpls_labelspace() only works if t=
he
> ifindex is set correctly. Anyway the function do_mpls_labelspace() is o=
nly
> called during config file reading, but the interface data is get afterw=
ards
> when reading the zebra data (after the config file read is done compelt=
ely).
>
> What do you think? Probably I am doing something wrong in teh config fi=
le?
>
> For your reference I am attaching the mplsd.conf file as well as the
> gdb session output:
>
> ----------------------------- mplsd.conf -------------------------
> !
> ! Zebra configuration saved from vty
> ! 2002/10/23 17:21:36
> !
> hostname uml-1
> password root
> enable password root
> log file /var/log/zebra/mplsd.log
> !
> ! router zebra
> !
> mpls ldp
> trace address
> trace binding
> trace debug
> trace error
> trace event
> trace general
> trace init
> trace label
> trace normal
> trace notification
> trace packet-dump
> trace packet
> trace path
> trace periodic
> trace policy
> trace route
> trace state
> trace task
> trace timer
> !
> interface lo
> !
> interface eth0
> ! mpls ldp
> !
> !
> interface eth1
> mpls ldp
> !
> !
> !interface tunl0
> !
> !interface gre0
> ! mpls ldp
> !
> !
> interface dummy0
> !
> line vty
> !
> -------------------- end of mplsd.conf --------------------------------=
---
>
>
> ----------------------------- gdb session ------------------------
> test:/home/test/zebra/mplsd# gdb mplsd
> GNU gdb 2002-04-01-cvs
> Copyright 2002 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and yo=
u are
> welcome to change it and/or distribute copies of it under certain condi=
tions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for deta=
ils.
> This GDB was configured as "i386-linux"...
> (gdb) b if_new
> Breakpoint 1 at 0x8078847: file if.c, line 57.
> (gdb) b do_mpls_labelspace
> Breakpoint 2 at 0x804a005: file impl_mpls.c, line 51.
> (gdb) run
> Starting program: /home/test/zebra-0.93b/mplsd/mplsd
>
> Breakpoint 1, if_new () at if.c:57
> 57 return ifp;
> (gdb) p *ifp
> $1 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 '=
\0', flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x0, inf=
o =3D
> 0x0, stats
> =3D {rx_packets =3D 0,
> tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0, rx_errors =3D 0, =
tx_errors =3D 0,
> rx_dropped =3D 0,
> tx_dropped =3D 0, rx_multicast =3D 0, rx_compressed =3D 0, tx_compr=
essed =3D 0,
> collisions =3D 0,
> rx_length_errors =3D 0, rx_over_errors =3D 0, rx_crc_errors =3D 0,
> rx_frame_errors
> =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) list -
> 47 } if_master;
> 48 ^L
> 49 /* Create new interface structure. */
> 50 struct interface *
> 51 if_new ()
> 52 {
> 53 struct interface *ifp;
> 54
> 55 ifp =3D XMALLOC (MTYPE_IF, sizeof (struct interface));
> 56 memset (ifp, 0, sizeof (struct interface));
> (gdb) n
> warning: Cannot insert breakpoint 0:
> Cannot access memory at address 0x0
> (gdb) n
> 67 listnode_add (iflist, ifp);
> (gdb) bt
> #0 if_create () at if.c:67
> #1 0x0807905b in interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D=
1,
> argv=3D0xbffff898) at if.c:426
> #2 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0db0, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #3 0x08075976 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:2001
> #4 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #5 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #6 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) p *ifp
> $2 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 '=
\0', flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x0, inf=
o =3D
> 0x0, stats
> =3D {rx_packets =3D 0,
> tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0, rx_errors =3D 0, =
tx_errors =3D 0,
> rx_dropped =3D 0,
> tx_dropped =3D 0, rx_multicast =3D 0, rx_compressed =3D 0, tx_compr=
essed =3D 0,
> collisions =3D 0,
> rx_length_errors =3D 0, rx_over_errors =3D 0, rx_crc_errors =3D 0,
> rx_frame_errors
> =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) p *iflist
> $3 =3D {head =3D 0x0, tail =3D 0x0, count =3D 0, cmp =3D 0, del =3D 0}
> (gdb) n
> 68 ifp->connected =3D list_new ();
> (gdb) n
> 69 ifp->connected->del =3D (void (*) (void *)) connected_free;
> (gdb) n
> 71 if (if_master.if_new_hook)
> (gdb) list
> 66
> 67 listnode_add (iflist, ifp);
> 68 ifp->connected =3D list_new ();
> 69 ifp->connected->del =3D (void (*) (void *)) connected_free;
> 70
> 71 if (if_master.if_new_hook)
> 72 (*if_master.if_new_hook) (ifp);
> 73
> 74 return ifp;
> 75 }
> (gdb) n
> 72 (*if_master.if_new_hook) (ifp);
> (gdb) s
> mpls_if_new_hook (ifp=3D0x80b1248) at mpls_interface.c:34
> 34 ifp->info =3D mpls_if_new(ifp);
> (gdb) bt
> #0 mpls_if_new_hook (ifp=3D0x80b1248) at mpls_interface.c:34
> #1 0x0807888e in if_create () at if.c:72
> #2 0x0807905b in interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D=
1,
> argv=3D0xbffff898) at if.c:426
> #3 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0db0, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #4 0x08075976 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:2001
> #5 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #6 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #7 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) list
> 29 int mpls_if_is_up(struct mpls_interface *mi) {
> 30 return if_is_up(mi->ifp);
> 31 }
> 32
> 33 int mpls_if_new_hook(struct interface *ifp) {
> 34 ifp->info =3D mpls_if_new(ifp);
> 35 return 0;
> 36 }
> 37
> 38 int mpls_if_delete_hook(struct interface *ifp) {
> (gdb) p *ifp
> $4 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 '=
\0', flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x80b131=
8,
> info =3D 0x0,
> stats =3D {
> rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0,=
rx_errors =3D 0,
> tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 35 return 0;
> (gdb) p *ifp
> $5 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 '=
\0', flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x80b131=
8, info =3D
> 0x80b1330, stats =3D {
> rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0,=
rx_errors =3D 0,
> tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> if_create () at if.c:74
> 74 return ifp;
> (gdb) bt
> #0 if_create () at if.c:74
> #1 0x0807905b in interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D=
1,
> argv=3D0xbffff898) at if.c:426
> #2 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0db0, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #3 0x08075976 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:2001
> #4 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #5 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #6 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) p *ifp
> $6 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 '=
\0', flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x80b131=
8, info =3D
> 0x80b1330, stats =3D {
> rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0,=
rx_errors =3D 0,
> tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbffff8=
98) at if.c:427
> 427 strncpy (ifp->name, argv[0], INTERFACE_NAMSIZ);
> (gdb) list -
> 417 "Select an interface to configure\n"
> 418 "Interface's name\n")
> 419 {
> 420 struct interface *ifp;
> 421
> 422 ifp =3D if_lookup_by_name (argv[0]);
> 423
> 424 if (ifp =3D=3D NULL)
> 425 {
> 426 ifp =3D if_create ();
> (gdb) list
> 427 strncpy (ifp->name, argv[0], INTERFACE_NAMSIZ);
> 428 }
> 429 vty->index =3D ifp;
> 430 vty->node =3D INTERFACE_NODE;
> 431
> 432 return CMD_SUCCESS;
> 433 }
> 434
> 435 /* For debug purpose. */
> 436 DEFUN (show_address,
> (gdb) p argv[0]
> $7 =3D 0x80b0de0 "lo"
> (gdb) b if_lookup_by_name
> Breakpoint 3 at 0x807896c: file if.c, line 146.
> (gdb) c
> Continuing.
>
> Breakpoint 3, if_lookup_by_name (name=3D0x80b0de0 "eth0") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) p *node
> $8 =3D {next =3D 0x0, prev =3D 0x0, data =3D 0x80b1248}
> (gdb) p *ifp
> $9 =3D {name =3D "lo", '\0' <repeats 18 times>, ifindex =3D 0, status =3D=
0
> '\0', flags
> =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1318,
> info =3D 0x80b1330,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 152 return NULL;
> (gdb) n
> interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbffff8=
98) at if.c:424
> 424 if (ifp =3D=3D NULL)
> (gdb) n
> 426 ifp =3D if_create ();
> (gdb) n
>
> Breakpoint 1, if_new () at if.c:57
> 57 return ifp;
> (gdb) n
> warning: Cannot insert breakpoint 0:
> Cannot access memory at address 0x0
> (gdb) bt
> #0 0x0807885c in if_create () at if.c:65
> #1 0x0807905b in interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D=
1,
> argv=3D0xbffff898) at if.c:426
> #2 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0e10, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #3 0x08075976 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:2001
> #4 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #5 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #6 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) b interface
> Breakpoint 4 at 0x8079043: file if.c, line 422.
> (gdb) c
> Continuing.
>
> Breakpoint 4, interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1,
> argv=3D0xbffff898)
> at if.c:422
> 422 ifp =3D if_lookup_by_name (argv[0]);
> (gdb) p *agrv[0]
> No symbol "agrv" in current context.
> (gdb) p *agrgv[0]
> No symbol "agrgv" in current context.
> (gdb) p *argv[0]
> $10 =3D 101 'e'
> (gdb) n
>
> Breakpoint 3, if_lookup_by_name (name=3D0x80b0de0 "eth1") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) p *ifp
> $11 =3D {name =3D "lo", '\0' <repeats 18 times>, ifindex =3D 0, status =
=3D 0
> '\0', flags
> =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1318,
> info =3D 0x80b1330,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) p *ifp
> $12 =3D {name =3D "eth0", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1418,
> info =3D 0x80b1430,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 152 return NULL;
> (gdb) n
> interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbffff8=
98) at if.c:424
> 424 if (ifp =3D=3D NULL)
> (gdb) n
> 426 ifp =3D if_create ();
> (gdb) n
>
> Breakpoint 1, if_new () at if.c:57
> 57 return ifp;
> (gdb) n
> warning: Cannot insert breakpoint 0:
> Cannot access memory at address 0x0
> (gdb) n
> 67 listnode_add (iflist, ifp);
> (gdb) n
> 68 ifp->connected =3D list_new ();
> (gdb) p *ifp
> $13 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 =
'\0',
> flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x0, inf=
o =3D
> 0x0, stats
> =3D {rx_packets =3D 0,
> tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0, rx_errors =3D 0, =
tx_errors =3D 0,
> rx_dropped =3D 0,
> tx_dropped =3D 0, rx_multicast =3D 0, rx_compressed =3D 0, tx_compr=
essed =3D 0,
> collisions =3D 0,
> rx_length_errors =3D 0, rx_over_errors =3D 0, rx_crc_errors =3D 0,
> rx_frame_errors
> =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 69 ifp->connected->del =3D (void (*) (void *)) connected_free;
> (gdb) n
> 71 if (if_master.if_new_hook)
> (gdb) n
> 72 (*if_master.if_new_hook) (ifp);
> (gdb) n
> 74 return ifp;
> (gdb) p *ifp
> $14 =3D {name =3D '\0' <repeats 20 times>, ifindex =3D 0, status =3D 0 =
'\0',
> flags =3D 0,
> metric =3D 0, mtu =3D 0,
> hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_addr_len =3D 0=
, bandwidth =3D
> 0, desc =3D 0x0,
> distribute_in =3D 0x0, distribute_out =3D 0x0, connected =3D 0x80b151=
8, info =3D
> 0x80b1530, stats =3D {
> rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_bytes =3D 0,=
rx_errors =3D 0,
> tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbffff8=
98) at if.c:427
> 427 strncpy (ifp->name, argv[0], INTERFACE_NAMSIZ);
> (gdb) n
> 429 vty->index =3D ifp;
> (gdb) p *ifp
> $15 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) p *ifp
> $16 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) bt
> #0 interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbf=
fff898) at
> if.c:429
> #1 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0db0, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #2 0x08075976 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:2001
> #3 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #4 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #5 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) n
> 430 vty->node =3D INTERFACE_NODE;
> (gdb) n
> 432 return CMD_SUCCESS;
> (gdb) p *ifp
> $17 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 0x080758fc in cmd_execute_command_strict (vline=3D0x80b0db0, vty=3D0x80=
b0aa0,
> cmd=3D0x0) at command.c:1960
> 1960 return CMD_SUCCESS_DAEMON;
> (gdb) c
> Continuing.
>
> Breakpoint 2, do_mpls_labelspace (mi=3D0x80b1530) at impl_mpls.c:51
> 51 if (!mi || !mi->ifp->ifindex) {
> (gdb) c
> Continuing.
> ldp_if_new:
> ENTER: ldp_cfg_if_set
>
> Breakpoint 3, if_lookup_by_name (name=3D0xbffff7a8 "eth1") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) bt
> #0 if_lookup_by_name (name=3D0xbffff7a8 "eth1") at if.c:146
> #1 0x08049bf8 in ldp_ifmgr_open_if (ifmgr_handle=3D0x0, name=3D0x80b16=
40
> "eth1") at
> impl_ifmgr.c:54
> #2 0x08054dc1 in ldp_cfg_if_set (handle=3D0x80b1020, i=3D0x80b15dc, fl=
ag=3D3) at
> ldp_cfg.c:790
> #3 0x0804f518 in ldp_interface_create (mi=3D0x80b1530) at ldp_interfac=
e.c:40
> #4 0x0804def4 in ldp_intf (self=3D0x8095960, vty=3D0x80b0aa0, argc=3D0=
,
> argv=3D0xbffff898) at ldp_vty.c:1049
> #5 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0e10, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #6 0x08075936 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:1981
> #7 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #8 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #9 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) p *ifp
> $18 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 150 return ifp;
> (gdb) n
> 0x08078999 152 return NULL;
> (gdb) list -
> 142 {
> 143 listnode node;
> 144 struct interface *ifp;
> 145
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> 147 {
> 148 ifp =3D getdata (node);
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> 150 return ifp;
> 151 }
> (gdb) p
> $19 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> ldp_ifmgr_open_if (ifmgr_handle=3D0x0, name=3D0x80b1640 "eth1") at impl=
_ifmgr.c:56
> 56 return ifh;
> (gdb) list -
> 46 }
> 47
> 48 ldp_if_handle ldp_ifmgr_open_if(ldp_ifmgr_handle ifmgr_handle,
> const char
> *name)
> 49 {
> 50 ldp_if_handle ifh;
> 51 char name2[IFNAMSIZ + 1];
> 52 strncpy(name2,name,IFNAMSIZ);
> 53
> 54 ifh =3D if_lookup_by_name(name2);
> 55
> (gdb) p *ifh
> $20 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> ldp_cfg_if_set (handle=3D0x80b1020, i=3D0x80b15dc, flag=3D3) at ldp_cfg=
.c:791
> 791 }
> (gdb) list -
> 781 LDP_ENTER(global->user_data, "ldp_cfg_if_set");
> 782
> 783 ldp_lock_get(global->global_lock); /* LOCK */
> 784
> 785 if (flag & LDP_CFG_ADD) {
> 786 if ((iff =3D ldp_if_create()) =3D=3D NULL) {
> 787 goto ldp_cfg_if_set_end;
> 788 }
> 789 if (ldp_if_handle_verify(global->ifmgr_handle, i->handle)
> =3D=3D LDP_FALSE)
> {
> 790 i->handle =3D ldp_ifmgr_open_if(global->ifmgr_handle, i->name=
);
> (gdb) list
> 791 }
> 792 iff->handle =3D i->handle;
> 793 i->index =3D iff->index;
> 794 strncpy(iff->name, i->name, LDP_MAX_IF_NAME);
> 795 _ldp_global_add_if(global, iff);
> 796 } else {
> 797 ldp_global_find_if_index(global, i->index, &iff);
> 798 }
> 799
> 800 if ((iff =3D=3D NULL) ||
> (gdb) bt
> #0 ldp_cfg_if_set (handle=3D0x80b1020, i=3D0x80b15dc, flag=3D3) at ldp=
_cfg.c:791
> #1 0x0804f518 in ldp_interface_create (mi=3D0x80b1530) at ldp_interfac=
e.c:40
> #2 0x0804def4 in ldp_intf (self=3D0x8095960, vty=3D0x80b0aa0, argc=3D0=
,
> argv=3D0xbffff898) at ldp_vty.c:1049
> #3 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0e10, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #4 0x08075936 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:1981
> #5 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #6 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #7 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) p *i->handle
> $21 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 792 iff->handle =3D i->handle;
> (gdb) n
> 793 i->index =3D iff->index;
> (gdb) n
> 794 strncpy(iff->name, i->name, LDP_MAX_IF_NAME);
> (gdb) n
> 795 _ldp_global_add_if(global, iff);
> (gdb) n
> 796 } else {
> (gdb) p *i->handle
> $22 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) p *iff
> $23 =3D {_refcnt =3D 1, _global =3D {lle_next =3D 0x80b1070, lle_prev =3D=
0x80b1070},
> hello =3D 0x0,
> entity =3D 0x0, hellotime_send_timer =3D 0x0, hellotime_send_timer_du=
ration =3D 0,
> label_space =3D -1,
> handle =3D 0x80b1448, index =3D 1, message =3D 0x80b2708, buffer =3D =
0x80b16e8,
> local_source_address =3D {
> protocol =3D 0, u =3D {ipv6 =3D '\0' <repeats 15 times>, ipv4 =3D 0=
}}, dest =3D
> {_refcnt =3D 0, addr =3D {
> protocol =3D 2, u =3D {ipv6 =3D "\002\0\0t", '\0' <s> .......
> if_handle =3D 0x0}, name =3D "eth1", '\0' <repeats 11 times>, oper_=
state =3D
> LDP_DOWN, entity_index =3D 0}
> (gdb) n
> 798 }
> (gdb) n
> 800 if ((iff =3D=3D NULL) ||
> (gdb) n
> 804 if (flag & LDP_CFG_DEL) {
> (gdb) n
> 814 if (flag & LDP_IF_CFG_INDEX) {
> (gdb) n
> 817 if (flag & LDP_IF_CFG_LABEL_SPACE) {
> (gdb) p flag
> $24 =3D 3
> (gdb) n
> 818 iff->label_space =3D i->label_space;
> (gdb) n
> 820 global->configuration_sequence_number++;
> (gdb) n
> 822 retval =3D LDP_SUCCESS;
> (gdb) p *i
> $25 =3D {_refcnt =3D 0, _global =3D {lle_next =3D 0x0, lle_prev =3D 0x0=
}, hello =3D 0x0,
> entity =3D 0x0,
> hellotime_send_timer =3D 0x0, hellotime_send_timer_duration =3D 0, la=
bel_space =3D
> 0, handle =3D 0x80b1448,
> index =3D 1, message =3D 0x0, buffer =3D 0x0, local_source_address =3D
> {protocol =3D 0,
> u =3D {
> ipv6 =3D '\0' <repeats 15 times>, ipv4 =3D 0}}, dest =3D {_refcnt=
=3D 0, addr =3D
> {protocol =3D 0, u =3D {
> ipv6 =3D '\0' <repeats 15 times>, ipv4 =3D 0}}, port =3D 0,
> if_handle =3D 0x0},
> name =3D "eth1", '\0' <repeats 11 times>, oper_state =3D 0, entity_in=
dex =3D 0}
> (gdb) n
> 825 ldp_lock_release(global->global_lock); /* UNLOCK */
> (gdb) n
> 827 LDP_EXIT(global->user_data, "ldp_cfg_if_set");
> (gdb) n
> EXIT: ldp_cfg_if_set
> 829 return retval;
> (gdb) n
> ldp_interface_create (mi=3D0x80b1530) at ldp_interface.c:42
> 42 mi->ldp->entity.sub_index =3D mi->ldp->iff.index;
> (gdb) list -
> 32 void ldp_interface_create(struct mpls_interface *mi) {
> 33 struct ldp *ldp =3D mi->mpls->ldp;
> 34
> 35 mi->ldp->create_on_hold =3D LDP_FALSE;
> 36
> 37 strncpy(mi->ldp->iff.name,mi->ifp->name,IFNAMSIZ);
> 38 mi->ldp->iff.label_space =3D mi->labelspace;
> 39
> 40 ldp_cfg_if_set(ldp->h, &mi->ldp->iff, LDP_CFG_ADD |
> LDP_IF_CFG_LABEL_SPACE);
> 41
> (gdb) n
> 43 mi->ldp->entity.entity_type =3D LDP_DIRECT;
> (gdb) n
> 44 mi->ldp->entity.admin_state =3D LDP_DOWN;
> (gdb) n
> 46 ldp_cfg_entity_set(ldp->h, &mi->ldp->entity,
> (gdb) p *ldp->h
> $26 =3D {outlabel =3D {llh_first =3D 0x80b1020, llh_last =3D 0x80b1020}=
, resource =3D
> {llh_first =3D 0x80b1028,
> llh_last =3D 0x80b1028}, hop_list =3D {llh_first =3D 0x80b1030, llh=
_last =3D
> 0x80b1030}, inlabel =3D {
> llh_first =3D 0x80b1038, llh_last =3D 0x80b1038}, session =3D {llh_=
first =3D
> 0x80b1040,
> llh_last =3D 0x80b1040}, tunnel =3D {llh_first =3D 0x80b1048, llh_l=
ast =3D
> 0x80b1048}, entity =3D {
> llh_first =3D 0x80b1050, llh_last =3D 0x80b1050}, peer =3D {llh_fir=
st =3D
> 0x80b1058,
> llh_last =3D 0x80b1058}, attr =3D {llh_first =3D 0x80b1060, llh_las=
t =3D
> 0x80b1060},
> adj =3D {
> llh_first =3D 0x80b1068, llh_last =3D 0x80b1068}, iff =3D {llh_firs=
t =3D
> 0x80b1668,
> llh_last =3D 0x80b1668}, global_lock =3D 0x80b0e48, user_data =3D 0=
x80b1008,
> addr_tree =3D 0x80b1118,
> tree =3D 0x80b1128, nh_tree =3D 0x0, hello_socket =3D 0x80b1138, listen=
_socket =3D
> 0x80b11c0,
> timer_handle =3D 0, socket_handle =3D 0, fib_handle =3D 0x80a68f0, if=
mgr_handle =3D
> 0x0, mpls_handle =3D 10,
> configuration_sequence_number =3D 3, message_identifier =3D 1, lsr_id=
entifier =3D
> {protocol =3D 2, u =3D {
> ipv6 =3D "\0\0\0\0=A3\232\r@=A0\n\v\b\230=F8=FF=BF", ipv4 =3D 0}}=
,
> send_address_messages
> =3D LDP_TRUE,
> send_lsrid_mapping =3D LDP_TRUE, lsp_control_mode =3D LDP_CONTROL_ORD=
ERED,
> label_retention_mode =3D LDP_RETENTION_LIBERAL, lsp_repair_mode =3D
> LDP_REPAIR_GLOBAL,
> propagate_release =3D LDP_TRUE, label_merge =3D LDP_TRUE, loop_detect=
ion_mode =3D
> LDP_LOOP_NONE,
> ttl_less_domain =3D LDP_FALSE, local_tcp_port =3D 646, local_udp_port=
=3D 646,
> backoff_step =3D 15,
> no_route_to_peer_time =3D 10, transport_address =3D {protocol =3D 0, =
u =3D {ipv6 =3D
> '\0' <repeats 15 times>,
> ipv4 =3D 0}}, keepalive_timer =3D 45, keepalive_interval =3D 15,
> hellotime_timer
> =3D 15,
> hellotime_interval =3D 5, admin_state =3D LDP_ENABLE}
> (gdb) list -
> 36
> 37 strncpy(mi->ldp->iff.name,mi->ifp->name,IFNAMSIZ);
> 38 mi->ldp->iff.label_space =3D mi->labelspace;
> 39
> 40 ldp_cfg_if_set(ldp->h, &mi->ldp->iff, LDP_CFG_ADD |
> LDP_IF_CFG_LABEL_SPACE);
> 41
> 42 mi->ldp->entity.sub_index =3D mi->ldp->iff.index;
> 43 mi->ldp->entity.entity_type =3D LDP_DIRECT;
> 44 mi->ldp->entity.admin_state =3D LDP_DOWN;
> 45
> (gdb) list
> 46 ldp_cfg_entity_set(ldp->h, &mi->ldp->entity,
> 47 LDP_CFG_ADD | LDP_ENTITY_CFG_SUB_INDEX |
> LDP_ENTITY_CFG_ADMIN_STATE);
> 48
> 49 ldp_cfg_entity_get(ldp->h, &mi->ldp->entity, 0xFFFFFFFF);
> 50 ldp_cfg_if_get(ldp->h, &mi->ldp->iff, 0xFFFFFFFF);
> 51
> 52 ldp_interface_admin_state_finish(mi);
> 53 }
> 54
> 55 void ldp_interface_delete(struct mpls_interface *mi) {
> (gdb) p *mi->ldp->entity
> Structure has no component named operator*.
> (gdb) p mi->ldp->entity
> $27 =3D {_refcnt =3D 0, _global =3D {lle_next =3D 0x0, lle_prev =3D 0x0=
}, session_root =3D
> {llh_first =3D 0x0,
> llh_last =3D 0x0}, adj_root =3D {llh_first =3D 0x0, llh_last =3D 0x=
0},
> entity_type =3D
> LDP_DIRECT, p =3D {
> peer =3D 0x0, iff =3D 0x0}, state =3D LDP_STATE_NONE, inherit_flag =
=3D 962,
> require_hop_count =3D LDP_FALSE, sub_index =3D 1, index =3D 0, transp=
ort_address =3D
> {protocol =3D 0, u =3D {
> ipv6 =3D '\0' <repeats 15 times>, ipv4 =3D 0}}, protocol_version =
=3D 1 '\001',
> remote_tcp_port =3D 646,
> remote_udp_port =3D 646, max_pdu =3D 4096, keepalive_timer =3D 45,
> keepalive_interval =3D 15,
> hellotime_timer =3D 15, hellotime_interval =3D 5, session_setup_count=
=3D 0,
> session_backoff_timer =3D 10,
> label_distribution_mode =3D LDP_DISTRIBUTION_UNSOLICITED,
> path_vector_limit =3D 10
> '\n',
> hop_count_limit =3D 30 '\036', label_request_count =3D 0 '\0',
> label_request_timer
> =3D 30,
> loop_detection_mode =3D LDP_LOOP_NONE, keepalive_send_timer =3D 0x0,
> keepalive_recv_timer =3D 0x0,
> admin_state =3D LDP_DISABLE, remote_in_ttl_less_domain =3D LDP_FALSE,
> request_retry =3D LDP_TRUE,
> mesg_tx =3D 0, mesg_rx =3D 0, adj_count =3D 0}
> (gdb) p *mi
> $28 =3D {mpls =3D 0x80b0e20, ifp =3D 0x80b1448, labelspace =3D 0, conne=
cted =3D
> 0x0, ldp =3D
> 0x80b1548}
> (gdb) p *mi->ifp
> $29 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> ENTER: ldp_cfg_entity_set
> PRT: ldp_cfg_entity_set: entity not ready
>
> EXIT: ldp_cfg_entity_set
> 49 ldp_cfg_entity_get(ldp->h, &mi->ldp->entity, 0xFFFFFFFF);
> (gdb) p *mi->ifp
> $30 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> ENTER: ldp_cfg_entity_get
> EXIT: ldp_cfg_entity_get
> 50 ldp_cfg_if_get(ldp->h, &mi->ldp->iff, 0xFFFFFFFF);
> (gdb) n
> ENTER: ldp_cfg_if_get
> EXIT: ldp_cfg_if_get
> 52 ldp_interface_admin_state_finish(mi);
> (gdb) p *mi->ifp
> $31 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> ldp_intf (self=3D0x8095960, vty=3D0x80b0aa0, argc=3D0, argv=3D0xbffff89=
8) at
> ldp_vty.c:1050
> 1050 } else {
> (gdb) bt
> #0 ldp_intf (self=3D0x8095960, vty=3D0x80b0aa0, argc=3D0, argv=3D0xbff=
ff898) at
> ldp_vty.c:1050
> #1 0x080758cd in cmd_execute_command_strict (vline=3D0x80b0e10, vty=3D=
0x80b0aa0,
> cmd=3D0x0)
> at command.c:1963
> #2 0x08075936 in config_from_file (vty=3D0x80b0aa0, fp=3D0x80b0930) at
> command.c:1981
> #3 0x08072828 in vty_read_file (confp=3D0x80b0930) at vty.c:2079
> #4 0x08072c82 in vty_read_config (config_file=3D0x0,
> config_current_dir=3D0x8095180
> "mplsd.conf",
> config_default_dir=3D0x809518b "/etc/zebra/mplsd.conf") at vty.c:22=
66
> #5 0x0804c1ba in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:206
> (gdb) list -
> 1040 /* user is trying to create a new LDP interface */
> 1041 do_mpls_labelspace(mi);
> 1042 mi->ldp =3D ldp_if_new(mi);
> 1043 }
> 1044
> 1045 /* if the global LDP has been created, go ahead and tell LDP abo=
ut it
> 1046 * otherwise just mark the interface as "on hold"
> 1047 */
> 1048 if (mpls->ldp) {
> 1049 ldp_interface_create(mi);
> (gdb) list
> 1050 } else {
> 1051 mi->ldp->create_on_hold =3D LDP_TRUE;
> 1052 }
> 1053
> 1054 vty->node =3D MPLS_LDP_IF_NODE;
> 1055
> 1056 return CMD_SUCCESS;
> 1057 }
> 1058
> 1059 DEFUN(no_ldp_intf,
> (gdb) n
> 1054 vty->node =3D MPLS_LDP_IF_NODE;
> (gdb) n
> 1056 return CMD_SUCCESS;
> (gdb) p *mi->ifp
> $32 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 0x080758fc in cmd_execute_command_strict (vline=3D0x80b0e10, vty=3D0x80=
b0aa0,
> cmd=3D0x0) at command.c:1960
> 1960 return CMD_SUCCESS_DAEMON;
> (gdb) c
> Continuing.
>
> Breakpoint 4, interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1,
> argv=3D0xbffff898)
> at if.c:422
> 422 ifp =3D if_lookup_by_name (argv[0]);
> (gdb) n
>
> Breakpoint 3, if_lookup_by_name (name=3D0x80b0de0 "dummy0") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 152 return NULL;
> (gdb) n
> interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbffff8=
98) at if.c:424
> 424 if (ifp =3D=3D NULL)
> (gdb) n
> 426 ifp =3D if_create ();
> (gdb) n
>
> Breakpoint 1, if_new () at if.c:57
> 57 return ifp;
> (gdb) n
> warning: Cannot insert breakpoint 0:
> Cannot access memory at address 0x0
> (gdb) n
> 67 listnode_add (iflist, ifp);
> (gdb) n
> 68 ifp->connected =3D list_new ();
> (gdb) n
> 69 ifp->connected->del =3D (void (*) (void *)) connected_free;
> (gdb) n
> 71 if (if_master.if_new_hook)
> (gdb) n
> 72 (*if_master.if_new_hook) (ifp);
> (gdb) n
> 74 return ifp;
> (gdb) n
> interface (self=3D0x8096680, vty=3D0x80b0aa0, argc=3D1, argv=3D0xbffff8=
98) at if.c:427
> 427 strncpy (ifp->name, argv[0], INTERFACE_NAMSIZ);
> (gdb) n
> 429 vty->index =3D ifp;
> (gdb) p *argv[0]
> $33 =3D 100 'd'
> (gdb) p argv[0]
> $34 =3D 0x80b0de0 "dummy0"
> (gdb) n
> 430 vty->node =3D INTERFACE_NODE;
> (gdb) n
> 432 return CMD_SUCCESS;
> (gdb) n
> 0x080758fc in cmd_execute_command_strict (vline=3D0x80b0db0, vty=3D0x80=
b0aa0,
> cmd=3D0x0) at command.c:1960
> 1960 return CMD_SUCCESS_DAEMON;
> (gdb) c
> Continuing.
> 2002/11/08 10:25:35 MPLS: MPLSd (0.93b) starts
>
> Breakpoint 3, if_lookup_by_name (name=3D0xbffff8a8 "lo") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) c
> Continuing.
> 2002/11/08 10:25:36 MPLS: interface add lo index 1 flags 73 metric 1 mt=
u 16436
> 2002/11/08 10:25:36 MPLS: address add 127.0.0.1 to interface lo
> ENTER: _ldp_global_ifmgr_callback
> EXIT: _ldp_global_ifmgr_callback
>
> Breakpoint 3, if_lookup_by_name (name=3D0xbffff8a8 "eth0") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) bt
> #0 if_lookup_by_name (name=3D0xbffff8a8 "eth0") at if.c:146
> #1 0x0807de30 in zebra_interface_add_read (s=3D0x80ae870) at zclient.c=
:591
> #2 0x0804b384 in mpls_interface_add (command=3D1, zclient=3D0x80ae818,=
length=3D50)
> at mpls_zebra.c:43
> #3 0x0807e2a2 in zclient_read (thread=3D0xbffff9e4) at zclient.c:867
> #4 0x080787a2 in thread_call (thread=3D0xbffff9e4) at thread.c:647
> #5 0x0804c229 in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:224
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) c
> Continuing.
> 2002/11/08 10:26:03 MPLS: interface add eth0 index 2 flags 4163 metric =
1 mtu
> 1500
> 2002/11/08 10:26:03 MPLS: address add 192.10.13.163 to interface eth0
> ENTER: _ldp_global_ifmgr_callback
> EXIT: _ldp_global_ifmgr_callback
>
> Breakpoint 3, if_lookup_by_name (name=3D0xbffff8a8 "dummy0") at if.c:14=
6
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) c
> Continuing.
> 2002/11/08 10:26:07 MPLS: interface add dummy0 index 3 flags 195 metric=
1 mtu
> 1500
> 2002/11/08 10:26:07 MPLS: address add 10.10.9.100 to interface dummy0
> ENTER: _ldp_global_ifmgr_callback
> EXIT: _ldp_global_ifmgr_callback
>
> Breakpoint 3, if_lookup_by_name (name=3D0xbffff8a8 "eth1") at if.c:146
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 146 for (node =3D listhead (iflist); node; nextnode (node))
> (gdb) n
> 148 ifp =3D getdata (node);
> (gdb) bt
> #0 if_lookup_by_name (name=3D0xbffff8a8 "eth1") at if.c:148
> #1 0x0807de30 in zebra_interface_add_read (s=3D0x80ae870) at zclient.c=
:591
> #2 0x0804b384 in mpls_interface_add (command=3D1, zclient=3D0x80ae818,=
length=3D50)
> at mpls_zebra.c:43
> #3 0x0807e2a2 in zclient_read (thread=3D0xbffff9e4) at zclient.c:867
> #4 0x080787a2 in thread_call (thread=3D0xbffff9e4) at thread.c:647
> #5 0x0804c229 in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:224
> (gdb) n
> 149 if (strncmp (name, ifp->name, sizeof ifp->name) =3D=3D 0)
> (gdb) n
> 150 return ifp;
> (gdb) n
> 0x08078999 152 return NULL;
> (gdb) n
> zebra_interface_add_read (s=3D0x80ae870) at zclient.c:594
> 594 if (! ifp)
> (gdb) list -
> 584 struct interface *ifp;
> 585 u_char ifname_tmp[INTERFACE_NAMSIZ];
> 586
> 587 /* Read interface name. */
> 588 stream_get (ifname_tmp, s, INTERFACE_NAMSIZ);
> 589
> 590 /* Lookup this by interface name. */
> 591 ifp =3D if_lookup_by_name (ifname_tmp);
> 592
> 593 /* If such interface does not exist, make new one. */
> (gdb) n
> 601 ifp->ifindex =3D stream_getl (s);
> (gdb) p *ifp
> $35 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 0, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) n
> 604 ifp->flags =3D stream_getl (s);
> (gdb) p *ifp
> $36 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 4, statu=
s =3D 0 '\0',
> flags =3D 0, metric =3D 0,
> mtu =3D 0, hw_type =3D 0, hw_addr =3D '\0' <repeats 19 times>, hw_add=
r_len =3D 0,
> bandwidth =3D 0,
> desc =3D 0x0, distribute_in =3D 0x0, distribute_out =3D 0x0, connecte=
d =3D
> 0x80b1518,
> info =3D 0x80b1530,
> stats =3D {rx_packets =3D 0, tx_packets =3D 0, rx_bytes =3D 0, tx_byt=
es =3D
> 0, rx_errors
> =3D 0, tx_errors =3D 0,
> rx_dropped =3D 0, tx_dropped =3D 0, rx_multicast =3D 0, rx_compress=
ed =3D 0,
> tx_compressed =3D 0,
> collisions =3D 0, rx_length_errors =3D 0, rx_over_errors =3D 0,
> rx_crc_errors =3D 0,
> rx_frame_errors =3D 0,
> rx_fifo_errors =3D 0, rx_missed_errors =3D 0, tx_aborted_errors =3D=
0,
> tx_carrier_errors =3D 0,
> tx_fifo_errors =3D 0, tx_heartbeat_errors =3D 0, tx_window_errors =3D=
0}}
> (gdb) bt
> #0 zebra_interface_add_read (s=3D0x80ae870) at zclient.c:604
> #1 0x0804b384 in mpls_interface_add (command=3D1, zclient=3D0x80ae818,=
length=3D50)
> at mpls_zebra.c:43
> #2 0x0807e2a2 in zclient_read (thread=3D0xbffff9e4) at zclient.c:867
> #3 0x080787a2 in thread_call (thread=3D0xbffff9e4) at thread.c:647
> #4 0x0804c229 in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:224
> (gdb) p *s
> $37 =3D {next =3D 0x0, data =3D 0x80ae890 "", putp =3D 53, getp =3D 27,=
endp =3D
> 53, size =3D
> 4096}
> (gdb) n
> 605 ifp->metric =3D stream_getl (s);
> (gdb) n
> 606 ifp->mtu =3D stream_getl (s);
> (gdb) n
> 607 ifp->bandwidth =3D stream_getl (s);
> (gdb) n
> 611 ifp->hw_addr_len =3D stream_getl (s);
> (gdb) n
> 612 if (ifp->hw_addr_len)
> (gdb) n
> 613 stream_get (ifp->hw_addr, s, ifp->hw_addr_len);
> (gdb) n
> 616 return ifp;
> (gdb) p *ifp
> $38 =3D {name =3D "eth1", '\0' <repeats 16 times>, ifindex =3D 4, statu=
s =3D 0 '\0',
> flags =3D 4099,
> metric =3D 1, mtu =3D 1500, hw_type =3D 0, hw_addr =3D "\0\003Gq=D5."=
, '\0'
> <repeats 13
> times>,
> hw_addr_len =3D 6, bandwidth =3D 0, desc =3D 0x0, distribute_in =3D 0=
x0,
> distribute_out =3D 0x0,
> connected =3D 0x80b1518, info =3D 0x80b1530, stats =3D {rx_packets =3D=
0,
> tx_packets =3D
> 0, rx_bytes =3D 0,
> tx_bytes =3D 0, rx_errors =3D 0, tx_errors =3D 0, rx_dropped =3D 0,
> tx_dropped =3D 0,
> rx_multicast =3D 0,
> rx_compressed =3D 0, tx_compressed =3D 0, collisions =3D 0,
> rx_length_errors =3D 0,
> rx_over_errors =3D 0,
> rx_crc_errors =3D 0, rx_frame_errors =3D 0, rx_fifo_errors =3D 0,
> rx_missed_errors
> =3D 0,
> tx_aborted_errors =3D 0, tx_carrier_errors =3D 0, tx_fifo_errors =3D=
0,
> tx_heartbeat_errors =3D 0,
> tx_window_errors =3D 0}}
> (gdb) bt
> #0 zebra_interface_add_read (s=3D0x80ae870) at zclient.c:616
> #1 0x0804b384 in mpls_interface_add (command=3D1, zclient=3D0x80ae818,=
length=3D50)
> at mpls_zebra.c:43
> #2 0x0807e2a2 in zclient_read (thread=3D0xbffff9e4) at zclient.c:867
> #3 0x080787a2 in thread_call (thread=3D0xbffff9e4) at thread.c:647
> #4 0x0804c229 in main (argc=3D1, argv=3D0xbffffab4) at mpls_main.c:224
> (gdb) quit
> ------------------------------------ end of gdb
> session -------------------------------------
>
>
>
>
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