1 /*****************************************************************************
2 Copyright (c) 2006 EMC Corporation.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2 of the License, or (at your option)
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 You should have received a copy of the GNU General Public License along with
15 this program; if not, write to the Free Software Foundation, Inc., 59
16 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 The full GNU General Public License is included in this distribution in the
21 Authors: Srinivas Aji <Aji_Srinivas@emc.com>
23 ******************************************************************************/
25 #include "bridge_ctl.h"
26 #include "netif_utils.h"
32 #include <linux/if_bridge.h>
33 #include <arpa/inet.h>
34 #include <sys/types.h>
47 /*------------------------------------------------------------*/
57 struct ifdata
*bridge_next
;
58 struct ifdata
*port_list
;
61 struct stp_instance
*stp
;
62 UID_BRIDGE_ID_T bridge_id
;
64 UID_STP_MODE_T stp_enabled
;
75 struct ifdata
*master
;
76 struct ifdata
*port_next
;
81 int admin_port_path_cost
;
82 ADMIN_P2P_T admin_point2point
;
83 unsigned char admin_edge
;
84 unsigned char admin_non_stp
; /* 1- doesn't participate in STP, 1 - regular */
86 struct epoll_event_handler event
;
90 struct ifdata
*current_br
= NULL
;
92 void instance_begin(struct ifdata
*br
)
95 ERROR("BUG: Trying to set instance over existing instance.");
96 ERROR("%d", *(int *)0); /* ABORT */
99 STP_IN_instance_begin(br
->stp
);
102 void instance_end(void)
104 STP_IN_instance_end(current_br
->stp
);
108 struct ifdata
*find_port(int port_index
)
110 struct ifdata
*ifc
= current_br
->port_list
;
111 while (ifc
&& ifc
->port_index
!= port_index
)
112 ifc
= ifc
->port_next
;
116 /*************************************************************/
117 /* Bridge and port defaults */
119 UID_STP_CFG_T default_bridge_stp_cfg
= {
120 .field_mask
= BR_CFG_ALL
,
121 .bridge_priority
= DEF_BR_PRIO
,
122 .max_age
= DEF_BR_MAXAGE
,
123 .hello_time
= DEF_BR_HELLOT
,
124 .forward_delay
= DEF_BR_FWDELAY
,
125 .force_version
= DEF_FORCE_VERS
, /*NORMAL_RSTP */
128 void update_bridge_stp_config(struct ifdata
*br
, UID_STP_CFG_T
* cfg
)
130 if (cfg
->field_mask
& BR_CFG_PRIO
)
131 br
->bridge_priority
= cfg
->bridge_priority
;
132 if (cfg
->field_mask
& BR_CFG_AGE
)
133 br
->max_age
= cfg
->max_age
;
134 if (cfg
->field_mask
& BR_CFG_HELLO
)
135 br
->hello_time
= cfg
->hello_time
;
136 if (cfg
->field_mask
& BR_CFG_DELAY
)
137 br
->forward_delay
= cfg
->forward_delay
;
138 if (cfg
->field_mask
& BR_CFG_FORCE_VER
)
139 br
->force_version
= cfg
->force_version
;
142 UID_STP_PORT_CFG_T default_port_stp_cfg
= {
143 .field_mask
= PT_CFG_ALL
,
144 .port_priority
= DEF_PORT_PRIO
,
145 .admin_non_stp
= DEF_ADMIN_NON_STP
,
146 .admin_edge
= False
, // DEF_ADMIN_EDGE,
147 .admin_port_path_cost
= ADMIN_PORT_PATH_COST_AUTO
,
148 .admin_point2point
= DEF_P2P
,
151 void update_port_stp_config(struct ifdata
*ifc
, UID_STP_PORT_CFG_T
* cfg
)
153 if (cfg
->field_mask
& PT_CFG_PRIO
)
154 ifc
->port_priority
= cfg
->port_priority
;
155 if (cfg
->field_mask
& PT_CFG_NON_STP
)
156 ifc
->admin_non_stp
= cfg
->admin_non_stp
;
157 if (cfg
->field_mask
& PT_CFG_EDGE
)
158 ifc
->admin_edge
= cfg
->admin_edge
;
159 if (cfg
->field_mask
& PT_CFG_COST
)
160 ifc
->admin_port_path_cost
= cfg
->admin_port_path_cost
;
161 if (cfg
->field_mask
& PT_CFG_P2P
)
162 ifc
->admin_point2point
= cfg
->admin_point2point
;
165 /**************************************************************/
167 int add_port_stp(struct ifdata
*ifc
)
168 { /* Bridge is ifc->master */
169 TST((ifc
->port_index
= get_bridge_portno(ifc
->name
)) >= 0, -1);
171 /* Add port to STP */
172 instance_begin(ifc
->master
);
173 int r
= STP_IN_port_create(0, ifc
->port_index
);
174 if (r
== 0) { /* Update bridge ID */
175 UID_STP_STATE_T state
;
176 STP_IN_stpm_get_state(0, &state
);
177 ifc
->master
->bridge_id
= state
.bridge_id
;
180 if (r
/* check for failure */ ) {
181 ERROR("Couldn't add port for ifindex %d to STP", ifc
->if_index
);
187 void remove_port_stp(struct ifdata
*ifc
)
189 /* Remove port from STP */
190 instance_begin(ifc
->master
);
191 int r
= STP_IN_port_delete(0, ifc
->port_index
);
193 ifc
->port_index
= -1;
195 ERROR("removing port %s failed for bridge %s: %s",
196 ifc
->name
, ifc
->master
->name
,
197 STP_IN_get_error_explanation(r
));
201 int init_rstplib_instance(struct ifdata
*br
)
203 br
->stp
= STP_IN_instance_create();
204 if (br
->stp
== NULL
) {
205 ERROR("Couldn't create STP instance for bridge %s", br
->name
);
212 int r
= STP_IN_stpm_create(0, br
->name
, &ports
);
215 ERROR("stpm create failed for bridge %s: %s",
216 br
->name
, STP_IN_get_error_explanation(r
));
223 void clear_rstplib_instance(struct ifdata
*br
)
226 int r
= STP_IN_delete_all();
229 ERROR("stpm delete failed for bridge %s: %s",
230 br
->name
, STP_IN_get_error_explanation(r
));
233 STP_IN_instance_delete(br
->stp
);
237 int init_bridge_stp(struct ifdata
*br
)
240 ERROR("STP already started");
245 TST(init_rstplib_instance(br
) == 0, -1);
247 struct ifdata
*p
= br
->port_list
;
249 if (add_port_stp(p
) != 0)
254 struct ifdata
*q
= br
->port_list
;
259 /* Clear bridge STP state */
260 clear_rstplib_instance(br
);
267 void clear_bridge_stp(struct ifdata
*br
)
272 struct ifdata
*p
= br
->port_list
;
277 /* Clear bridge STP state */
278 clear_rstplib_instance(br
);
281 struct ifdata
*if_head
= NULL
;
282 struct ifdata
*br_head
= NULL
;
284 struct ifdata
*find_if(int if_index
)
286 struct ifdata
*p
= if_head
;
287 while (p
&& p
->if_index
!= if_index
)
292 #define ADD_TO_LIST(_list, _next, _ifc) \
294 (_ifc)->_next = (_list); \
298 #define REMOVE_FROM_LIST(_list, _next, _ifc, _error_fmt, _args...) \
300 struct ifdata **_prev = &(_list); \
301 while (*_prev && *_prev != (_ifc)) \
302 _prev = &(*_prev)->_next; \
303 if (*_prev != (_ifc)) \
304 ERROR(_error_fmt, ##_args); \
306 *_prev = (_ifc)->_next; \
309 /* Caller ensures that there isn't any ifdata with this index */
310 /* If br is NULL, new interface is a bridge, else it is a port of br */
311 struct ifdata
*create_if(int if_index
, struct ifdata
*br
)
314 TST((p
= malloc(sizeof(*p
))) != NULL
, NULL
);
316 memset(p
, 0, sizeof(*p
));
319 p
->if_index
= if_index
;
320 p
->is_bridge
= (br
== NULL
);
322 /* TODO: purge use of name, due to issue with renameing */
323 if_indextoname(if_index
, p
->name
);
326 INFO("Add bridge %s", p
->name
);
327 /* Init slave list */
334 update_bridge_stp_config(p
, &default_bridge_stp_cfg
);
335 ADD_TO_LIST(br_head
, bridge_next
, p
); /* Add to bridge list */
337 INFO("Add iface %s to bridge %s", p
->name
, br
->name
);
343 if (packet_sock_create(&p
->event
, p
->if_index
, p
)) {
348 update_port_stp_config(p
, &default_port_stp_cfg
);
349 ADD_TO_LIST(br
->port_list
, port_next
, p
); /* Add to bridge port list */
356 /* Add to interface list */
357 ADD_TO_LIST(if_head
, next
, p
);
362 void delete_if(struct ifdata
*ifc
)
364 INFO("Delete iface %s", ifc
->name
);
365 if (ifc
->is_bridge
) { /* Bridge: */
367 clear_bridge_stp(ifc
);
369 while (ifc
->port_list
)
370 delete_if(ifc
->port_list
);
371 /* Remove from bridge list */
372 REMOVE_FROM_LIST(br_head
, bridge_next
, ifc
,
373 "Can't find interface ifindex %d bridge list",
376 if (ifc
->master
->stp_up
)
377 remove_port_stp(ifc
);
378 /* Remove from bridge port list */
379 REMOVE_FROM_LIST(ifc
->master
->port_list
, port_next
, ifc
,
380 "Can't find interface ifindex %d on br %d's port list",
381 ifc
->if_index
, ifc
->master
->if_index
);
382 packet_sock_delete(&ifc
->event
);
385 /* Remove from bridge interface list */
386 REMOVE_FROM_LIST(if_head
, next
, ifc
,
387 "Can't find interface ifindex %d on iflist",
392 void set_br_up(struct ifdata
*br
, int up
)
397 up
? (void)init_bridge_stp(br
) : clear_bridge_stp(br
);
401 void set_if_up(struct ifdata
*ifc
, int up
)
403 INFO("Port %s : %s", ifc
->name
, (up
? "up" : "down"));
406 int notify_flags
= 0;
407 const int NOTIFY_UP
= 1, NOTIFY_SPEED
= 2, NOTIFY_DUPLEX
= 4;
408 if (!up
) { /* Down */
411 notify_flags
|= NOTIFY_UP
;
414 int r
= ethtool_get_speed_duplex(ifc
->name
, &speed
, &duplex
);
415 if (r
< 0) { /* Didn't succeed */
420 duplex
= 0; /* Assume half duplex */
422 if (speed
!= ifc
->speed
) {
424 notify_flags
|= NOTIFY_SPEED
;
426 if (duplex
!= ifc
->duplex
) {
427 ifc
->duplex
= duplex
;
428 notify_flags
|= NOTIFY_DUPLEX
;
432 notify_flags
|= NOTIFY_UP
;
435 if (notify_flags
&& ifc
->master
->stp_up
) {
436 instance_begin(ifc
->master
);
438 if (notify_flags
& NOTIFY_SPEED
)
439 STP_IN_changed_port_speed(ifc
->port_index
, speed
);
440 if (notify_flags
& NOTIFY_DUPLEX
)
441 STP_IN_changed_port_duplex(ifc
->port_index
);
442 if (notify_flags
& NOTIFY_UP
)
443 STP_IN_enable_port(ifc
->port_index
, ifc
->up
);
449 /*------------------------------------------------------------*/
451 int bridge_notify(int br_index
, int if_index
, int newlink
, int up
)
455 LOG("br_index %d, if_index %d, up %d", br_index
, if_index
, up
);
457 struct ifdata
*br
= NULL
;
459 br
= find_if(br_index
);
460 if (br
&& !br
->is_bridge
) {
462 ("Notification shows non bridge interface %d as bridge.",
467 br
= create_if(br_index
, NULL
);
469 ERROR("Couldn't create data for bridge interface %d",
473 /* Bridge must be up if we get such notifications */
478 struct ifdata
*ifc
= find_if(if_index
);
482 if (ifc
->is_bridge
) {
484 ("Notification shows bridge interface %d as slave of %d",
488 if (ifc
->master
!= br
) {
489 INFO("Device %d has come to bridge %d. "
490 "Missed notify for deletion from bridge %d",
491 if_index
, br_index
, ifc
->master
->if_index
);
497 ifc
= create_if(if_index
, br
);
500 ("Couldn't create data for interface %d (master %d)",
504 if (!newlink
&& !is_bridge_slave(br
->name
, ifc
->name
)) {
505 /* brctl delif generates a DELLINK, but so does ifconfig <slave> down.
506 So check and delete if it has been removed.
512 set_if_up(ifc
, up
); /* And speed and duplex */
513 } else { /* No br_index */
515 /* DELLINK not from bridge means interface unregistered. */
516 /* Cleanup removed bridge or removed bridge slave */
520 } else { /* This may be a new link */
522 char ifname
[IFNAMSIZ
];
523 if (if_indextoname(if_index
, ifname
)
524 && is_bridge(ifname
)) {
525 ifc
= create_if(if_index
, NULL
);
528 ("Couldn't create data for bridge interface %d",
534 if (ifc
&& !ifc
->is_bridge
&&
535 !is_bridge_slave(ifc
->master
->name
, ifc
->name
)) {
536 /* Interface might have left bridge and we might have missed deletion */
540 if (ifc
&& ifc
->up
!= up
) {
551 void bridge_bpdu_rcv(struct ifdata
*ifc
, const unsigned char *data
, int len
)
553 TST(ifc
&& !ifc
->is_bridge
,);
554 TST(ifc
->up
&& ifc
->master
->stp_up
,);
557 memset(&bpdu
.eth
, 0, sizeof(bpdu
.eth
));
558 if (len
> sizeof(bpdu
) - sizeof(bpdu
.eth
))
559 len
= sizeof(bpdu
) - sizeof(bpdu
.eth
);
560 memcpy(&bpdu
.hdr
, data
, len
);
562 /* Do some validation */
564 TST(bpdu
.hdr
.protocol
[0] == 0 && bpdu
.hdr
.protocol
[1] == 0,);
565 switch (bpdu
.hdr
.bpdu_type
) {
568 case BPDU_CONFIG_TYPE
:
570 /* 802.1w doesn't ask for this */
571 // TST(ntohs(*(uint16_t*)bpdu.body.message_age)
572 // < ntohs(*(uint16_t*)bpdu.body.max_age), );
573 TST(memcmp(bpdu
.body
.bridge_id
, &ifc
->master
->bridge_id
, 8) != 0
574 || (ntohs(*(uint16_t *) bpdu
.body
.port_id
) & 0xfff) !=
577 case BPDU_TOPO_CHANGE_TYPE
:
583 // dump_hex(data, len);
584 instance_begin(ifc
->master
);
586 STP_IN_rx_bpdu(0, ifc
->port_index
, &bpdu
, len
+ sizeof(bpdu
.eth
));
588 ERROR("STP_IN_rx_bpdu on port %s returned %s", ifc
->name
,
589 STP_IN_get_error_explanation(r
));
593 void bridge_one_second(void)
597 for (br
= br_head
; br
; br
= br
->bridge_next
) {
605 /* To get information about port changes when bridge is down */
606 /* But won't work so well since we will not sense deletions */
607 static int count
= 0;
610 bridge_get_configuration();
614 /* Implementing STP_OUT functions */
616 int flush_port(char *sys_name
)
618 FILE *f
= fopen(sys_name
, "w");
619 TSTM(f
, -1, "Couldn't open flush file %s for write.", sys_name
);
620 int r
= fwrite("1", 1, 1, f
);
627 STP_OUT_flush_lt(IN
int port_index
, IN
int vlan_id
,
628 IN LT_FLASH_TYPE_T type
, IN
char *reason
)
630 LOG("port index %d, flash type %d, reason %s", port_index
, type
,
632 TST(vlan_id
== 0, 0);
635 if (port_index
== 0) { /* i.e. passed port_index was 0 */
636 sprintf(fname
, "/sys/class/net/%s/bridge/flush",
639 } else if (type
== LT_FLASH_ONLY_THE_PORT
) {
640 struct ifdata
*port
= find_port(port_index
);
641 TST(port
!= NULL
, 0);
642 sprintf(fname
, "/sys/class/net/%s/brif/%s/flush",
643 current_br
->name
, port
->name
);
645 } else if (type
== LT_FLASH_ALL_PORTS_EXCLUDE_THIS
) {
647 for (port
= current_br
->port_list
; port
; port
= port
->port_next
) {
648 if (port
->port_index
!= port_index
) {
650 "/sys/class/net/%s/brif/%s/flush",
651 current_br
->name
, port
->name
);
661 void /* for bridge id calculation */ STP_OUT_get_port_mac(IN
int port_index
,
665 LOG("port index %d", port_index
);
666 struct ifdata
*port
= find_port(port_index
);
668 get_hwaddr(port
->name
, mac
);
671 unsigned long STP_OUT_get_port_oper_speed(IN
unsigned int port_index
)
673 LOG("port index %d", port_index
);
674 struct ifdata
*port
= find_port(port_index
);
675 TST(port
!= NULL
, 0);
676 LOG("Speed: %d", port
->speed
);
680 int /* 1- Up, 0- Down */ STP_OUT_get_port_link_status(IN
int port_index
)
682 LOG("port index %d", port_index
);
683 struct ifdata
*port
= find_port(port_index
);
684 TST(port
!= NULL
, 0);
685 LOG("Link status: %d", port
->up
);
689 int /* 1- Full, 0- Half */ STP_OUT_get_duplex(IN
int port_index
)
691 LOG("port index %d", port_index
);
692 struct ifdata
*port
= find_port(port_index
);
693 TST(port
!= NULL
, 0);
694 LOG("Duplex: %d", port
->duplex
);
699 STP_OUT_set_port_state(IN
int port_index
, IN
int vlan_id
,
700 IN RSTP_PORT_STATE state
)
702 LOG("port index %d, state %d", port_index
, state
);
703 struct ifdata
*port
= find_port(port_index
);
704 TST(port
!= NULL
, 0);
705 TST(vlan_id
== 0, 0);
709 case UID_PORT_DISCARDING
:
710 br_state
= BR_STATE_BLOCKING
;
712 case UID_PORT_LEARNING
:
713 br_state
= BR_STATE_LEARNING
;
715 case UID_PORT_FORWARDING
:
716 br_state
= BR_STATE_FORWARDING
;
719 fprintf(stderr
, "set_port_state: Unexpected state %d\n", state
);
723 bridge_set_state(port
->if_index
, br_state
);
727 int STP_OUT_set_hardware_mode(int vlan_id
, UID_STP_MODE_T mode
)
729 LOG("vlan id %d, mode %d", vlan_id
, mode
);
734 STP_OUT_tx_bpdu(IN
int port_index
, IN
int vlan_id
,
735 IN
unsigned char *bpdu
, IN
size_t bpdu_len
)
737 LOG("port index %d, len %zd", port_index
, bpdu_len
);
738 struct ifdata
*port
= find_port(port_index
);
739 TST(port
!= NULL
, 0);
740 TST(vlan_id
== 0, 0);
741 // dump_hex(bpdu + sizeof(MAC_HEADER_T) + sizeof(ETH_HEADER_T),
742 // bpdu_len - (sizeof(MAC_HEADER_T) + sizeof(ETH_HEADER_T)));
743 bridge_send_bpdu(port
->if_index
, bpdu
+ sizeof(MAC_HEADER_T
) + sizeof(ETH_HEADER_T
), bpdu_len
); // The length we get excludes headers!
747 const char *STP_OUT_get_port_name(IN
int port_index
)
749 LOG("port index %d", port_index
);
750 struct ifdata
*port
= find_port(port_index
);
751 TST(port
!= NULL
, 0);
755 int STP_OUT_get_init_stpm_cfg(IN
int vlan_id
, INOUT UID_STP_CFG_T
* cfg
)
758 TST(vlan_id
== 0, 0);
760 cfg
->bridge_priority
= current_br
->bridge_priority
;
761 cfg
->max_age
= current_br
->max_age
;
762 cfg
->hello_time
= current_br
->hello_time
;
763 cfg
->forward_delay
= current_br
->forward_delay
;
764 cfg
->force_version
= current_br
->force_version
;
770 STP_OUT_get_init_port_cfg(IN
int vlan_id
,
771 IN
int port_index
, INOUT UID_STP_PORT_CFG_T
* cfg
)
773 LOG("port index %d", port_index
);
774 struct ifdata
*port
= find_port(port_index
);
775 TST(port
!= NULL
, 0);
776 TST(vlan_id
== 0, 0);
778 cfg
->port_priority
= port
->port_priority
;
779 cfg
->admin_non_stp
= port
->admin_non_stp
;
780 cfg
->admin_edge
= port
->admin_edge
;
781 cfg
->admin_port_path_cost
= port
->admin_port_path_cost
;
782 cfg
->admin_point2point
= port
->admin_point2point
;
787 extern void stp_trace(const char *fmt
, ...)
791 vDprintf(LOG_LEVEL_RSTPLIB
, fmt
, ap
);
795 /* Commands and status */
796 #include "ctl_functions.h"
798 #define CTL_CHECK_BRIDGE \
799 struct ifdata *br = find_if(br_index); \
800 if (br == NULL || !br->is_bridge) return Err_Interface_not_a_bridge; \
801 if (!br->do_stp) return Err_Bridge_RSTP_not_enabled; \
802 if (!br->stp_up) return Err_Bridge_is_down; \
805 #define CTL_CHECK_BRIDGE_PORT \
807 struct ifdata *port = find_if(port_index); \
808 if (port == NULL || port->is_bridge || port->master != br) \
809 return Err_Port_does_not_belong_to_bridge; \
812 int CTL_enable_bridge_rstp(int br_index
, int enable
)
814 INFO("bridge %d, enable %d", br_index
, enable
);
818 struct ifdata
*br
= find_if(br_index
);
820 char ifname
[IFNAMSIZ
];
821 if (if_indextoname(br_index
, ifname
) && is_bridge(ifname
))
822 br
= create_if(br_index
, NULL
);
824 if (br
== NULL
|| !br
->is_bridge
)
825 return Err_Interface_not_a_bridge
;
826 if (br
->do_stp
!= enable
) {
829 r
= enable
? init_bridge_stp(br
)
830 : (clear_bridge_stp(br
), 0);
835 int CTL_get_bridge_state(int br_index
,
836 UID_STP_CFG_T
* cfg
, UID_STP_STATE_T
* state
)
838 LOG("bridge %d", br_index
);
842 r
= STP_IN_stpm_get_state(0, state
);
844 ERROR("Error getting bridge state for %d: %s", br_index
,
845 STP_IN_get_error_explanation(r
));
849 r
= STP_IN_stpm_get_cfg(0, cfg
);
851 ERROR("Error getting bridge config for %d: %s", br_index
,
852 STP_IN_get_error_explanation(r
));
860 int CTL_set_bridge_config(int br_index
, UID_STP_CFG_T
* cfg
)
862 INFO("bridge %d, flags %#lx", br_index
, cfg
->field_mask
);
866 r
= STP_IN_stpm_set_cfg(0, NULL
, cfg
);
868 ERROR("Error setting bridge config for %d: %s", br_index
,
869 STP_IN_get_error_explanation(r
));
874 /* Change init config in ifdata so it will be applied if we
875 disable and enable rstp */
876 update_bridge_stp_config(br
, cfg
);
880 int CTL_get_port_state(int br_index
, int port_index
,
881 UID_STP_PORT_CFG_T
* cfg
, UID_STP_PORT_STATE_T
* state
)
883 LOG("bridge %d port %d", br_index
, port_index
);
884 CTL_CHECK_BRIDGE_PORT
;
887 state
->port_no
= port
->port_index
;
888 r
= STP_IN_port_get_state(0, state
);
890 ERROR("Error getting port state for port %d, bridge %d: %s",
891 port
->port_index
, br_index
,
892 STP_IN_get_error_explanation(r
));
896 r
= STP_IN_port_get_cfg(0, port
->port_index
, cfg
);
898 ERROR("Error getting port config for port %d, bridge %d: %s",
899 port
->port_index
, br_index
,
900 STP_IN_get_error_explanation(r
));
909 int CTL_set_port_config(int br_index
, int port_index
, UID_STP_PORT_CFG_T
* cfg
)
911 INFO("bridge %d, port %d, flags %#lx", br_index
, port_index
,
913 CTL_CHECK_BRIDGE_PORT
;
916 r
= STP_IN_set_port_cfg(0, port
->port_index
, cfg
);
918 ERROR("Error setting port config for port %d, bridge %d: %s",
919 port
->port_index
, br_index
,
920 STP_IN_get_error_explanation(r
));
925 /* Change init config in ifdata so it will be applied if we
926 disable and enable rstp */
927 update_port_stp_config(port
, cfg
);
931 int CTL_set_debug_level(int level
)
933 INFO("level %d", level
);
938 #undef CTL_CHECK_BRIDGE_PORT
939 #undef CTL_CHECK_BRIDGE