2 * Zebra API message creation & consumption.
4 * Copyright (C) 1997-1999 Kunihiro Ishiguro
5 * Copyright (C) 2015-2018 Cumulus Networks, Inc.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 * You should have received a copy of the GNU General Public License along
19 * with this program; see the file COPYING; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "lib/prefix.h"
27 #include "lib/command.h"
29 #include "lib/thread.h"
30 #include "lib/stream.h"
31 #include "lib/memory.h"
32 #include "lib/table.h"
33 #include "lib/network.h"
34 #include "lib/sockunion.h"
36 #include "lib/zclient.h"
37 #include "lib/privs.h"
38 #include "lib/network.h"
39 #include "lib/buffer.h"
40 #include "lib/nexthop.h"
42 #include "lib/libfrr.h"
43 #include "lib/sockopt.h"
45 #include "zebra/rib.h"
46 #include "zebra/zebra_memory.h"
47 #include "zebra/zebra_ns.h"
48 #include "zebra/zebra_vrf.h"
49 #include "zebra/router-id.h"
50 #include "zebra/redistribute.h"
51 #include "zebra/debug.h"
52 #include "zebra/zebra_rnh.h"
53 #include "zebra/rt_netlink.h"
54 #include "zebra/interface.h"
55 #include "zebra/zebra_ptm.h"
56 #include "zebra/rtadv.h"
57 #include "zebra/zebra_mpls.h"
58 #include "zebra/zebra_mroute.h"
59 #include "zebra/label_manager.h"
60 #include "zebra/zebra_vxlan.h"
62 #include "zebra/zebra_pbr.h"
63 #include "zebra/table_manager.h"
64 #include "zebra/zapi_msg.h"
66 /* Encoding helpers -------------------------------------------------------- */
68 static void zserv_encode_interface(struct stream
*s
, struct interface
*ifp
)
70 /* Interface information. */
71 stream_put(s
, ifp
->name
, INTERFACE_NAMSIZ
);
72 stream_putl(s
, ifp
->ifindex
);
73 stream_putc(s
, ifp
->status
);
74 stream_putq(s
, ifp
->flags
);
75 stream_putc(s
, ifp
->ptm_enable
);
76 stream_putc(s
, ifp
->ptm_status
);
77 stream_putl(s
, ifp
->metric
);
78 stream_putl(s
, ifp
->speed
);
79 stream_putl(s
, ifp
->mtu
);
80 stream_putl(s
, ifp
->mtu6
);
81 stream_putl(s
, ifp
->bandwidth
);
82 stream_putl(s
, ifp
->ll_type
);
83 stream_putl(s
, ifp
->hw_addr_len
);
85 stream_put(s
, ifp
->hw_addr
, ifp
->hw_addr_len
);
87 /* Then, Traffic Engineering parameters if any */
88 if (HAS_LINK_PARAMS(ifp
) && IS_LINK_PARAMS_SET(ifp
->link_params
)) {
90 zebra_interface_link_params_write(s
, ifp
);
94 /* Write packet size. */
95 stream_putw_at(s
, 0, stream_get_endp(s
));
98 static void zserv_encode_vrf(struct stream
*s
, struct zebra_vrf
*zvrf
)
100 struct vrf_data data
;
101 const char *netns_name
= zvrf_ns_name(zvrf
);
103 data
.l
.table_id
= zvrf
->table_id
;
106 strlcpy(data
.l
.netns_name
, basename((char *)netns_name
),
109 memset(data
.l
.netns_name
, 0, NS_NAMSIZ
);
110 /* Pass the tableid and the netns NAME */
111 stream_put(s
, &data
, sizeof(struct vrf_data
));
112 /* Interface information. */
113 stream_put(s
, zvrf_name(zvrf
), VRF_NAMSIZ
);
114 /* Write packet size. */
115 stream_putw_at(s
, 0, stream_get_endp(s
));
118 static int zserv_encode_nexthop(struct stream
*s
, struct nexthop
*nexthop
)
120 stream_putc(s
, nexthop
->type
);
121 switch (nexthop
->type
) {
122 case NEXTHOP_TYPE_IPV4
:
123 case NEXTHOP_TYPE_IPV4_IFINDEX
:
124 stream_put_in_addr(s
, &nexthop
->gate
.ipv4
);
125 stream_putl(s
, nexthop
->ifindex
);
127 case NEXTHOP_TYPE_IPV6
:
128 stream_put(s
, &nexthop
->gate
.ipv6
, 16);
130 case NEXTHOP_TYPE_IPV6_IFINDEX
:
131 stream_put(s
, &nexthop
->gate
.ipv6
, 16);
132 stream_putl(s
, nexthop
->ifindex
);
134 case NEXTHOP_TYPE_IFINDEX
:
135 stream_putl(s
, nexthop
->ifindex
);
144 /* Send handlers ----------------------------------------------------------- */
146 /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */
148 * This function is called in the following situations:
149 * - in response to a 3-byte ZEBRA_INTERFACE_ADD request
151 * - at startup, when zebra figures out the available interfaces
152 * - when an interface is added (where support for
153 * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when
154 * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is
157 int zsend_interface_add(struct zserv
*client
, struct interface
*ifp
)
159 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
161 zclient_create_header(s
, ZEBRA_INTERFACE_ADD
, ifp
->vrf_id
);
162 zserv_encode_interface(s
, ifp
);
165 return zserv_send_message(client
, s
);
168 /* Interface deletion from zebra daemon. */
169 int zsend_interface_delete(struct zserv
*client
, struct interface
*ifp
)
171 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
173 zclient_create_header(s
, ZEBRA_INTERFACE_DELETE
, ifp
->vrf_id
);
174 zserv_encode_interface(s
, ifp
);
177 return zserv_send_message(client
, s
);
180 int zsend_vrf_add(struct zserv
*client
, struct zebra_vrf
*zvrf
)
182 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
184 zclient_create_header(s
, ZEBRA_VRF_ADD
, zvrf_id(zvrf
));
185 zserv_encode_vrf(s
, zvrf
);
187 client
->vrfadd_cnt
++;
188 return zserv_send_message(client
, s
);
191 /* VRF deletion from zebra daemon. */
192 int zsend_vrf_delete(struct zserv
*client
, struct zebra_vrf
*zvrf
)
195 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
197 zclient_create_header(s
, ZEBRA_VRF_DELETE
, zvrf_id(zvrf
));
198 zserv_encode_vrf(s
, zvrf
);
200 client
->vrfdel_cnt
++;
201 return zserv_send_message(client
, s
);
204 int zsend_interface_link_params(struct zserv
*client
, struct interface
*ifp
)
206 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
208 /* Check this client need interface information. */
209 if (!client
->ifinfo
) {
214 if (!ifp
->link_params
) {
219 zclient_create_header(s
, ZEBRA_INTERFACE_LINK_PARAMS
, ifp
->vrf_id
);
221 /* Add Interface Index */
222 stream_putl(s
, ifp
->ifindex
);
224 /* Then TE Link Parameters */
225 if (zebra_interface_link_params_write(s
, ifp
) == 0) {
230 /* Write packet size. */
231 stream_putw_at(s
, 0, stream_get_endp(s
));
233 return zserv_send_message(client
, s
);
236 /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or
237 * ZEBRA_INTERFACE_ADDRESS_DELETE to the client.
239 * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations:
240 * - in response to a 3-byte ZEBRA_INTERFACE_ADD request
241 * from the client, after the ZEBRA_INTERFACE_ADD has been
242 * sent from zebra to the client
243 * - redistribute new address info to all clients in the following situations
244 * - at startup, when zebra figures out the available interfaces
245 * - when an interface is added (where support for
246 * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when
247 * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is
249 * - for the vty commands "ip address A.B.C.D/M [<secondary>|<label LINE>]"
250 * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M"
251 * - when an RTM_NEWADDR message is received from the kernel,
253 * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE:
255 * zsend_interface_address(DELETE)
258 * zebra_interface_address_delete_update
260 * | | if_delete_update
262 * ip_address_uninstall connected_delete_ipv4
263 * [ipv6_addresss_uninstall] [connected_delete_ipv6]
266 * | RTM_NEWADDR on routing/netlink socket
269 * "no ip address A.B.C.D/M [label LINE]"
270 * "no ip address A.B.C.D/M secondary"
271 * ["no ipv6 address X:X::X:X/M"]
274 int zsend_interface_address(int cmd
, struct zserv
*client
,
275 struct interface
*ifp
, struct connected
*ifc
)
279 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
281 zclient_create_header(s
, cmd
, ifp
->vrf_id
);
282 stream_putl(s
, ifp
->ifindex
);
284 /* Interface address flag. */
285 stream_putc(s
, ifc
->flags
);
287 /* Prefix information. */
289 stream_putc(s
, p
->family
);
290 blen
= prefix_blen(p
);
291 stream_put(s
, &p
->u
.prefix
, blen
);
294 * XXX gnu version does not send prefixlen for
295 * ZEBRA_INTERFACE_ADDRESS_DELETE
296 * but zebra_interface_address_delete_read() in the gnu version
299 stream_putc(s
, p
->prefixlen
);
302 p
= ifc
->destination
;
304 stream_put(s
, &p
->u
.prefix
, blen
);
306 stream_put(s
, NULL
, blen
);
308 /* Write packet size. */
309 stream_putw_at(s
, 0, stream_get_endp(s
));
311 client
->connected_rt_add_cnt
++;
312 return zserv_send_message(client
, s
);
315 static int zsend_interface_nbr_address(int cmd
, struct zserv
*client
,
316 struct interface
*ifp
,
317 struct nbr_connected
*ifc
)
320 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
323 zclient_create_header(s
, cmd
, ifp
->vrf_id
);
324 stream_putl(s
, ifp
->ifindex
);
326 /* Prefix information. */
328 stream_putc(s
, p
->family
);
329 blen
= prefix_blen(p
);
330 stream_put(s
, &p
->u
.prefix
, blen
);
333 * XXX gnu version does not send prefixlen for
334 * ZEBRA_INTERFACE_ADDRESS_DELETE
335 * but zebra_interface_address_delete_read() in the gnu version
338 stream_putc(s
, p
->prefixlen
);
340 /* Write packet size. */
341 stream_putw_at(s
, 0, stream_get_endp(s
));
343 return zserv_send_message(client
, s
);
346 /* Interface address addition. */
347 static void zebra_interface_nbr_address_add_update(struct interface
*ifp
,
348 struct nbr_connected
*ifc
)
350 struct listnode
*node
, *nnode
;
351 struct zserv
*client
;
354 if (IS_ZEBRA_DEBUG_EVENT
) {
355 char buf
[INET6_ADDRSTRLEN
];
359 "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s",
360 inet_ntop(p
->family
, &p
->u
.prefix
, buf
,
362 p
->prefixlen
, ifc
->ifp
->name
);
365 for (ALL_LIST_ELEMENTS(zebrad
.client_list
, node
, nnode
, client
))
366 zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD
,
370 /* Interface address deletion. */
371 static void zebra_interface_nbr_address_delete_update(struct interface
*ifp
,
372 struct nbr_connected
*ifc
)
374 struct listnode
*node
, *nnode
;
375 struct zserv
*client
;
378 if (IS_ZEBRA_DEBUG_EVENT
) {
379 char buf
[INET6_ADDRSTRLEN
];
383 "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s",
384 inet_ntop(p
->family
, &p
->u
.prefix
, buf
,
386 p
->prefixlen
, ifc
->ifp
->name
);
389 for (ALL_LIST_ELEMENTS(zebrad
.client_list
, node
, nnode
, client
))
390 zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE
,
394 /* Send addresses on interface to client */
395 int zsend_interface_addresses(struct zserv
*client
, struct interface
*ifp
)
397 struct listnode
*cnode
, *cnnode
;
399 struct nbr_connected
*nc
;
401 /* Send interface addresses. */
402 for (ALL_LIST_ELEMENTS(ifp
->connected
, cnode
, cnnode
, c
)) {
403 if (!CHECK_FLAG(c
->conf
, ZEBRA_IFC_REAL
))
406 if (zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD
, client
,
412 /* Send interface neighbors. */
413 for (ALL_LIST_ELEMENTS(ifp
->nbr_connected
, cnode
, cnnode
, nc
)) {
414 if (zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD
,
423 /* Notify client about interface moving from one VRF to another.
424 * Whether client is interested in old and new VRF is checked by caller.
426 int zsend_interface_vrf_update(struct zserv
*client
, struct interface
*ifp
,
429 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
431 zclient_create_header(s
, ZEBRA_INTERFACE_VRF_UPDATE
, ifp
->vrf_id
);
433 /* Fill in the ifIndex of the interface and its new VRF (id) */
434 stream_putl(s
, ifp
->ifindex
);
435 stream_putl(s
, vrf_id
);
437 /* Write packet size. */
438 stream_putw_at(s
, 0, stream_get_endp(s
));
440 client
->if_vrfchg_cnt
++;
441 return zserv_send_message(client
, s
);
444 /* Add new nbr connected IPv6 address */
445 void nbr_connected_add_ipv6(struct interface
*ifp
, struct in6_addr
*address
)
447 struct nbr_connected
*ifc
;
451 IPV6_ADDR_COPY(&p
.u
.prefix6
, address
);
452 p
.prefixlen
= IPV6_MAX_PREFIXLEN
;
454 ifc
= listnode_head(ifp
->nbr_connected
);
457 ifc
= nbr_connected_new();
458 ifc
->address
= prefix_new();
460 listnode_add(ifp
->nbr_connected
, ifc
);
463 prefix_copy(ifc
->address
, &p
);
465 zebra_interface_nbr_address_add_update(ifp
, ifc
);
467 if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp
, address
, 1);
470 void nbr_connected_delete_ipv6(struct interface
*ifp
, struct in6_addr
*address
)
472 struct nbr_connected
*ifc
;
476 IPV6_ADDR_COPY(&p
.u
.prefix6
, address
);
477 p
.prefixlen
= IPV6_MAX_PREFIXLEN
;
479 ifc
= nbr_connected_check(ifp
, &p
);
483 listnode_delete(ifp
->nbr_connected
, ifc
);
485 zebra_interface_nbr_address_delete_update(ifp
, ifc
);
487 if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp
, address
, 0);
489 nbr_connected_free(ifc
);
493 * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or
494 * ZEBRA_INTERFACE_DOWN.
496 * The ZEBRA_INTERFACE_UP message is sent from the zebra server to
497 * the clients in one of 2 situations:
498 * - an if_up is detected e.g., as a result of an RTM_IFINFO message
499 * - a vty command modifying the bandwidth of an interface is received.
500 * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected.
502 int zsend_interface_update(int cmd
, struct zserv
*client
, struct interface
*ifp
)
504 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
506 zclient_create_header(s
, cmd
, ifp
->vrf_id
);
507 zserv_encode_interface(s
, ifp
);
509 if (cmd
== ZEBRA_INTERFACE_UP
)
512 client
->ifdown_cnt
++;
514 return zserv_send_message(client
, s
);
517 int zsend_redistribute_route(int cmd
, struct zserv
*client
,
518 const struct prefix
*p
,
519 const struct prefix
*src_p
, struct route_entry
*re
)
521 struct zapi_route api
;
522 struct zapi_nexthop
*api_nh
;
523 struct nexthop
*nexthop
;
527 memset(&api
, 0, sizeof(api
));
528 api
.vrf_id
= re
->vrf_id
;
530 api
.instance
= re
->instance
;
531 api
.flags
= re
->flags
;
533 afi
= family2afi(p
->family
);
536 if (cmd
== ZEBRA_REDISTRIBUTE_ROUTE_ADD
)
537 client
->redist_v4_add_cnt
++;
539 client
->redist_v4_del_cnt
++;
542 if (cmd
== ZEBRA_REDISTRIBUTE_ROUTE_ADD
)
543 client
->redist_v6_add_cnt
++;
545 client
->redist_v6_del_cnt
++;
554 SET_FLAG(api
.message
, ZAPI_MESSAGE_SRCPFX
);
555 memcpy(&api
.src_prefix
, src_p
, sizeof(api
.src_prefix
));
559 if (re
->nexthop_active_num
) {
560 SET_FLAG(api
.message
, ZAPI_MESSAGE_NEXTHOP
);
561 api
.nexthop_num
= re
->nexthop_active_num
;
563 for (nexthop
= re
->ng
.nexthop
; nexthop
; nexthop
= nexthop
->next
) {
564 if (!CHECK_FLAG(nexthop
->flags
, NEXTHOP_FLAG_ACTIVE
))
567 api_nh
= &api
.nexthops
[count
];
568 api_nh
->vrf_id
= nexthop
->vrf_id
;
569 api_nh
->type
= nexthop
->type
;
570 switch (nexthop
->type
) {
571 case NEXTHOP_TYPE_BLACKHOLE
:
572 api_nh
->bh_type
= nexthop
->bh_type
;
574 case NEXTHOP_TYPE_IPV4
:
575 api_nh
->gate
.ipv4
= nexthop
->gate
.ipv4
;
577 case NEXTHOP_TYPE_IPV4_IFINDEX
:
578 api_nh
->gate
.ipv4
= nexthop
->gate
.ipv4
;
579 api_nh
->ifindex
= nexthop
->ifindex
;
581 case NEXTHOP_TYPE_IFINDEX
:
582 api_nh
->ifindex
= nexthop
->ifindex
;
584 case NEXTHOP_TYPE_IPV6
:
585 api_nh
->gate
.ipv6
= nexthop
->gate
.ipv6
;
587 case NEXTHOP_TYPE_IPV6_IFINDEX
:
588 api_nh
->gate
.ipv6
= nexthop
->gate
.ipv6
;
589 api_nh
->ifindex
= nexthop
->ifindex
;
595 SET_FLAG(api
.message
, ZAPI_MESSAGE_DISTANCE
);
596 api
.distance
= re
->distance
;
597 SET_FLAG(api
.message
, ZAPI_MESSAGE_METRIC
);
598 api
.metric
= re
->metric
;
600 SET_FLAG(api
.message
, ZAPI_MESSAGE_TAG
);
603 SET_FLAG(api
.message
, ZAPI_MESSAGE_MTU
);
606 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
608 /* Encode route and send. */
609 if (zapi_route_encode(cmd
, s
, &api
) < 0) {
614 if (IS_ZEBRA_DEBUG_SEND
) {
615 char buf_prefix
[PREFIX_STRLEN
];
617 prefix2str(&api
.prefix
, buf_prefix
, sizeof(buf_prefix
));
619 zlog_debug("%s: %s to client %s: type %s, vrf_id %d, p %s",
620 __func__
, zserv_command_string(cmd
),
621 zebra_route_string(client
->proto
),
622 zebra_route_string(api
.type
), api
.vrf_id
,
625 return zserv_send_message(client
, s
);
629 * Modified version of zsend_ipv4_nexthop_lookup(): Query unicast rib if
630 * nexthop is not found on mrib. Returns both route metric and protocol
633 static int zsend_ipv4_nexthop_lookup_mrib(struct zserv
*client
,
635 struct route_entry
*re
,
636 struct zebra_vrf
*zvrf
)
641 struct nexthop
*nexthop
;
643 /* Get output stream. */
644 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
647 /* Fill in result. */
648 zclient_create_header(s
, ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB
, zvrf_id(zvrf
));
649 stream_put_in_addr(s
, &addr
);
652 stream_putc(s
, re
->distance
);
653 stream_putl(s
, re
->metric
);
655 /* remember position for nexthop_num */
656 nump
= stream_get_endp(s
);
657 /* reserve room for nexthop_num */
660 * Only non-recursive routes are elegible to resolve the
661 * nexthop we are looking up. Therefore, we will just iterate
662 * over the top chain of nexthops.
664 for (nexthop
= re
->ng
.nexthop
; nexthop
; nexthop
= nexthop
->next
)
665 if (CHECK_FLAG(nexthop
->flags
, NEXTHOP_FLAG_ACTIVE
))
666 num
+= zserv_encode_nexthop(s
, nexthop
);
668 /* store nexthop_num */
669 stream_putc_at(s
, nump
, num
);
671 stream_putc(s
, 0); /* distance */
672 stream_putl(s
, 0); /* metric */
673 stream_putc(s
, 0); /* nexthop_num */
676 stream_putw_at(s
, 0, stream_get_endp(s
));
678 return zserv_send_message(client
, s
);
682 * Common utility send route notification, called from a path using a
683 * route_entry and from a path using a dataplane context.
685 static int route_notify_internal(const struct prefix
*p
, int type
,
686 uint16_t instance
, vrf_id_t vrf_id
,
688 enum zapi_route_notify_owner note
)
690 struct zserv
*client
;
694 client
= zserv_find_client(type
, instance
);
695 if (!client
|| !client
->notify_owner
) {
696 if (IS_ZEBRA_DEBUG_PACKET
) {
697 char buff
[PREFIX_STRLEN
];
700 "Not Notifying Owner: %u about prefix %s(%u) %d vrf: %u",
701 type
, prefix2str(p
, buff
, sizeof(buff
)),
702 table_id
, note
, vrf_id
);
707 if (IS_ZEBRA_DEBUG_PACKET
) {
708 char buff
[PREFIX_STRLEN
];
710 zlog_debug("Notifying Owner: %u about prefix %s(%u) %d vrf: %u",
711 type
, prefix2str(p
, buff
, sizeof(buff
)),
712 table_id
, note
, vrf_id
);
715 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
718 zclient_create_header(s
, ZEBRA_ROUTE_NOTIFY_OWNER
, vrf_id
);
720 stream_put(s
, ¬e
, sizeof(note
));
722 stream_putc(s
, p
->family
);
724 blen
= prefix_blen(p
);
725 stream_putc(s
, p
->prefixlen
);
726 stream_put(s
, &p
->u
.prefix
, blen
);
728 stream_putl(s
, table_id
);
730 stream_putw_at(s
, 0, stream_get_endp(s
));
732 return zserv_send_message(client
, s
);
735 int zsend_route_notify_owner(struct route_entry
*re
, const struct prefix
*p
,
736 enum zapi_route_notify_owner note
)
738 return (route_notify_internal(p
, re
->type
, re
->instance
, re
->vrf_id
,
742 void zsend_rule_notify_owner(struct zebra_pbr_rule
*rule
,
743 enum zapi_rule_notify_owner note
)
745 struct listnode
*node
;
746 struct zserv
*client
;
749 if (IS_ZEBRA_DEBUG_PACKET
)
750 zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__
,
753 for (ALL_LIST_ELEMENTS_RO(zebrad
.client_list
, node
, client
)) {
754 if (rule
->sock
== client
->sock
)
761 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
763 zclient_create_header(s
, ZEBRA_RULE_NOTIFY_OWNER
, VRF_DEFAULT
);
764 stream_put(s
, ¬e
, sizeof(note
));
765 stream_putl(s
, rule
->rule
.seq
);
766 stream_putl(s
, rule
->rule
.priority
);
767 stream_putl(s
, rule
->rule
.unique
);
769 stream_putl(s
, rule
->ifp
->ifindex
);
773 stream_putw_at(s
, 0, stream_get_endp(s
));
775 zserv_send_message(client
, s
);
778 void zsend_ipset_notify_owner(struct zebra_pbr_ipset
*ipset
,
779 enum zapi_ipset_notify_owner note
)
781 struct listnode
*node
;
782 struct zserv
*client
;
785 if (IS_ZEBRA_DEBUG_PACKET
)
786 zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__
,
789 for (ALL_LIST_ELEMENTS_RO(zebrad
.client_list
, node
, client
)) {
790 if (ipset
->sock
== client
->sock
)
797 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
799 zclient_create_header(s
, ZEBRA_IPSET_NOTIFY_OWNER
, VRF_DEFAULT
);
800 stream_put(s
, ¬e
, sizeof(note
));
801 stream_putl(s
, ipset
->unique
);
802 stream_put(s
, ipset
->ipset_name
, ZEBRA_IPSET_NAME_SIZE
);
803 stream_putw_at(s
, 0, stream_get_endp(s
));
805 zserv_send_message(client
, s
);
808 void zsend_ipset_entry_notify_owner(struct zebra_pbr_ipset_entry
*ipset
,
809 enum zapi_ipset_entry_notify_owner note
)
811 struct listnode
*node
;
812 struct zserv
*client
;
815 if (IS_ZEBRA_DEBUG_PACKET
)
816 zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__
,
819 for (ALL_LIST_ELEMENTS_RO(zebrad
.client_list
, node
, client
)) {
820 if (ipset
->sock
== client
->sock
)
827 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
829 zclient_create_header(s
, ZEBRA_IPSET_ENTRY_NOTIFY_OWNER
, VRF_DEFAULT
);
830 stream_put(s
, ¬e
, sizeof(note
));
831 stream_putl(s
, ipset
->unique
);
832 stream_put(s
, ipset
->backpointer
->ipset_name
, ZEBRA_IPSET_NAME_SIZE
);
833 stream_putw_at(s
, 0, stream_get_endp(s
));
835 zserv_send_message(client
, s
);
838 void zsend_iptable_notify_owner(struct zebra_pbr_iptable
*iptable
,
839 enum zapi_iptable_notify_owner note
)
841 struct listnode
*node
;
842 struct zserv
*client
;
845 if (IS_ZEBRA_DEBUG_PACKET
)
846 zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__
,
849 for (ALL_LIST_ELEMENTS_RO(zebrad
.client_list
, node
, client
)) {
850 if (iptable
->sock
== client
->sock
)
857 s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
859 zclient_create_header(s
, ZEBRA_IPTABLE_NOTIFY_OWNER
, VRF_DEFAULT
);
860 stream_put(s
, ¬e
, sizeof(note
));
861 stream_putl(s
, iptable
->unique
);
862 stream_putw_at(s
, 0, stream_get_endp(s
));
864 zserv_send_message(client
, s
);
867 /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */
868 int zsend_router_id_update(struct zserv
*client
, struct prefix
*p
,
873 /* Check this client need interface information. */
874 if (!vrf_bitmap_check(client
->ridinfo
, vrf_id
))
877 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
880 zclient_create_header(s
, ZEBRA_ROUTER_ID_UPDATE
, vrf_id
);
882 /* Prefix information. */
883 stream_putc(s
, p
->family
);
884 blen
= prefix_blen(p
);
885 stream_put(s
, &p
->u
.prefix
, blen
);
886 stream_putc(s
, p
->prefixlen
);
888 /* Write packet size. */
889 stream_putw_at(s
, 0, stream_get_endp(s
));
891 return zserv_send_message(client
, s
);
895 * Function used by Zebra to send a PW status update to LDP daemon
897 int zsend_pw_update(struct zserv
*client
, struct zebra_pw
*pw
)
899 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
901 zclient_create_header(s
, ZEBRA_PW_STATUS_UPDATE
, pw
->vrf_id
);
902 stream_write(s
, pw
->ifname
, IF_NAMESIZE
);
903 stream_putl(s
, pw
->ifindex
);
904 stream_putl(s
, pw
->status
);
906 /* Put length at the first point of the stream. */
907 stream_putw_at(s
, 0, stream_get_endp(s
));
909 return zserv_send_message(client
, s
);
912 /* Send response to a get label chunk request to client */
913 static int zsend_assign_label_chunk_response(struct zserv
*client
,
915 struct label_manager_chunk
*lmc
)
918 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
920 zclient_create_header(s
, ZEBRA_GET_LABEL_CHUNK
, vrf_id
);
924 stream_putc(s
, lmc
->proto
);
926 stream_putw(s
, lmc
->instance
);
928 stream_putc(s
, lmc
->keep
);
929 /* start and end labels */
930 stream_putl(s
, lmc
->start
);
931 stream_putl(s
, lmc
->end
);
934 /* Write packet size. */
935 stream_putw_at(s
, 0, stream_get_endp(s
));
937 ret
= writen(client
->sock
, s
->data
, stream_get_endp(s
));
942 /* Send response to a label manager connect request to client */
943 static int zsend_label_manager_connect_response(struct zserv
*client
,
945 unsigned short result
)
948 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
950 zclient_create_header(s
, ZEBRA_LABEL_MANAGER_CONNECT
, vrf_id
);
953 stream_putc(s
, client
->proto
);
956 stream_putw(s
, client
->instance
);
959 stream_putc(s
, result
);
961 /* Write packet size. */
962 stream_putw_at(s
, 0, stream_get_endp(s
));
964 ret
= writen(client
->sock
, s
->data
, stream_get_endp(s
));
970 /* Send response to a get table chunk request to client */
971 static int zsend_assign_table_chunk_response(struct zserv
*client
,
973 struct table_manager_chunk
*tmc
)
975 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
977 zclient_create_header(s
, ZEBRA_GET_TABLE_CHUNK
, vrf_id
);
980 /* start and end labels */
981 stream_putl(s
, tmc
->start
);
982 stream_putl(s
, tmc
->end
);
985 /* Write packet size. */
986 stream_putw_at(s
, 0, stream_get_endp(s
));
988 return zserv_send_message(client
, s
);
991 static int zsend_table_manager_connect_response(struct zserv
*client
,
995 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
997 zclient_create_header(s
, ZEBRA_TABLE_MANAGER_CONNECT
, vrf_id
);
1000 stream_putc(s
, result
);
1002 stream_putw_at(s
, 0, stream_get_endp(s
));
1004 return zserv_send_message(client
, s
);
1007 /* Inbound message handling ------------------------------------------------ */
1010 [ZEBRA_NEXTHOP_REGISTER
] = RNH_NEXTHOP_TYPE
,
1011 [ZEBRA_NEXTHOP_UNREGISTER
] = RNH_NEXTHOP_TYPE
,
1012 [ZEBRA_IMPORT_ROUTE_REGISTER
] = RNH_IMPORT_CHECK_TYPE
,
1013 [ZEBRA_IMPORT_ROUTE_UNREGISTER
] = RNH_IMPORT_CHECK_TYPE
,
1016 /* Nexthop register */
1017 static void zread_rnh_register(ZAPI_HANDLER_ARGS
)
1022 unsigned short l
= 0;
1024 uint16_t type
= cmd2type
[hdr
->command
];
1026 if (IS_ZEBRA_DEBUG_NHT
)
1028 "rnh_register msg from client %s: hdr->length=%d, type=%s vrf=%u\n",
1029 zebra_route_string(client
->proto
), hdr
->length
,
1030 (type
== RNH_NEXTHOP_TYPE
) ? "nexthop" : "route",
1035 client
->nh_reg_time
= monotime(NULL
);
1037 while (l
< hdr
->length
) {
1038 STREAM_GETC(s
, flags
);
1039 STREAM_GETW(s
, p
.family
);
1040 STREAM_GETC(s
, p
.prefixlen
);
1042 if (p
.family
== AF_INET
) {
1043 if (p
.prefixlen
> IPV4_MAX_BITLEN
) {
1045 "%s: Specified prefix hdr->length %d is too large for a v4 address",
1046 __PRETTY_FUNCTION__
, p
.prefixlen
);
1049 STREAM_GET(&p
.u
.prefix4
.s_addr
, s
, IPV4_MAX_BYTELEN
);
1050 l
+= IPV4_MAX_BYTELEN
;
1051 } else if (p
.family
== AF_INET6
) {
1052 if (p
.prefixlen
> IPV6_MAX_BITLEN
) {
1054 "%s: Specified prefix hdr->length %d is to large for a v6 address",
1055 __PRETTY_FUNCTION__
, p
.prefixlen
);
1058 STREAM_GET(&p
.u
.prefix6
, s
, IPV6_MAX_BYTELEN
);
1059 l
+= IPV6_MAX_BYTELEN
;
1062 "rnh_register: Received unknown family type %d\n",
1066 rnh
= zebra_add_rnh(&p
, zvrf_id(zvrf
), type
);
1067 if (type
== RNH_NEXTHOP_TYPE
) {
1069 && !CHECK_FLAG(rnh
->flags
, ZEBRA_NHT_CONNECTED
))
1070 SET_FLAG(rnh
->flags
, ZEBRA_NHT_CONNECTED
);
1072 && CHECK_FLAG(rnh
->flags
, ZEBRA_NHT_CONNECTED
))
1073 UNSET_FLAG(rnh
->flags
, ZEBRA_NHT_CONNECTED
);
1074 } else if (type
== RNH_IMPORT_CHECK_TYPE
) {
1076 && !CHECK_FLAG(rnh
->flags
, ZEBRA_NHT_EXACT_MATCH
))
1077 SET_FLAG(rnh
->flags
, ZEBRA_NHT_EXACT_MATCH
);
1079 && CHECK_FLAG(rnh
->flags
,
1080 ZEBRA_NHT_EXACT_MATCH
))
1081 UNSET_FLAG(rnh
->flags
, ZEBRA_NHT_EXACT_MATCH
);
1084 zebra_add_rnh_client(rnh
, client
, type
, zvrf_id(zvrf
));
1085 /* Anything not AF_INET/INET6 has been filtered out above */
1086 zebra_evaluate_rnh(zvrf_id(zvrf
), p
.family
, 1, type
, &p
);
1093 /* Nexthop register */
1094 static void zread_rnh_unregister(ZAPI_HANDLER_ARGS
)
1099 unsigned short l
= 0;
1100 uint16_t type
= cmd2type
[hdr
->command
];
1102 if (IS_ZEBRA_DEBUG_NHT
)
1104 "rnh_unregister msg from client %s: hdr->length=%d vrf: %u\n",
1105 zebra_route_string(client
->proto
), hdr
->length
,
1110 while (l
< hdr
->length
) {
1113 STREAM_GETC(s
, flags
);
1115 goto stream_failure
;
1117 STREAM_GETW(s
, p
.family
);
1118 STREAM_GETC(s
, p
.prefixlen
);
1120 if (p
.family
== AF_INET
) {
1121 if (p
.prefixlen
> IPV4_MAX_BITLEN
) {
1123 "%s: Specified prefix hdr->length %d is to large for a v4 address",
1124 __PRETTY_FUNCTION__
, p
.prefixlen
);
1127 STREAM_GET(&p
.u
.prefix4
.s_addr
, s
, IPV4_MAX_BYTELEN
);
1128 l
+= IPV4_MAX_BYTELEN
;
1129 } else if (p
.family
== AF_INET6
) {
1130 if (p
.prefixlen
> IPV6_MAX_BITLEN
) {
1132 "%s: Specified prefix hdr->length %d is to large for a v6 address",
1133 __PRETTY_FUNCTION__
, p
.prefixlen
);
1136 STREAM_GET(&p
.u
.prefix6
, s
, IPV6_MAX_BYTELEN
);
1137 l
+= IPV6_MAX_BYTELEN
;
1140 "rnh_register: Received unknown family type %d\n",
1144 rnh
= zebra_lookup_rnh(&p
, zvrf_id(zvrf
), type
);
1146 client
->nh_dereg_time
= monotime(NULL
);
1147 zebra_remove_rnh_client(rnh
, client
, type
);
1154 #define ZEBRA_MIN_FEC_LENGTH 5
1157 static void zread_fec_register(ZAPI_HANDLER_ARGS
)
1160 unsigned short l
= 0;
1163 uint32_t label_index
= MPLS_INVALID_LABEL_INDEX
;
1166 zvrf
= vrf_info_lookup(VRF_DEFAULT
);
1171 * The minimum amount of data that can be sent for one fec
1174 if (hdr
->length
< ZEBRA_MIN_FEC_LENGTH
) {
1176 "fec_register: Received a fec register of hdr->length %d, it is of insufficient size to properly decode",
1181 while (l
< hdr
->length
) {
1182 STREAM_GETW(s
, flags
);
1183 memset(&p
, 0, sizeof(p
));
1184 STREAM_GETW(s
, p
.family
);
1185 if (p
.family
!= AF_INET
&& p
.family
!= AF_INET6
) {
1187 "fec_register: Received unknown family type %d\n",
1191 STREAM_GETC(s
, p
.prefixlen
);
1192 if ((p
.family
== AF_INET
&& p
.prefixlen
> IPV4_MAX_BITLEN
)
1193 || (p
.family
== AF_INET6
1194 && p
.prefixlen
> IPV6_MAX_BITLEN
)) {
1196 "%s: Specified prefix hdr->length: %d is to long for %d",
1197 __PRETTY_FUNCTION__
, p
.prefixlen
, p
.family
);
1201 STREAM_GET(&p
.u
.prefix
, s
, PSIZE(p
.prefixlen
));
1202 l
+= PSIZE(p
.prefixlen
);
1203 if (flags
& ZEBRA_FEC_REGISTER_LABEL_INDEX
) {
1204 STREAM_GETL(s
, label_index
);
1207 label_index
= MPLS_INVALID_LABEL_INDEX
;
1208 zebra_mpls_fec_register(zvrf
, &p
, label_index
, client
);
1215 /* FEC unregister */
1216 static void zread_fec_unregister(ZAPI_HANDLER_ARGS
)
1219 unsigned short l
= 0;
1224 zvrf
= vrf_info_lookup(VRF_DEFAULT
);
1229 * The minimum amount of data that can be sent for one
1230 * fec unregistration
1232 if (hdr
->length
< ZEBRA_MIN_FEC_LENGTH
) {
1234 "fec_unregister: Received a fec unregister of hdr->length %d, it is of insufficient size to properly decode",
1239 while (l
< hdr
->length
) {
1240 STREAM_GETW(s
, flags
);
1242 goto stream_failure
;
1244 memset(&p
, 0, sizeof(p
));
1245 STREAM_GETW(s
, p
.family
);
1246 if (p
.family
!= AF_INET
&& p
.family
!= AF_INET6
) {
1248 "fec_unregister: Received unknown family type %d\n",
1252 STREAM_GETC(s
, p
.prefixlen
);
1253 if ((p
.family
== AF_INET
&& p
.prefixlen
> IPV4_MAX_BITLEN
)
1254 || (p
.family
== AF_INET6
1255 && p
.prefixlen
> IPV6_MAX_BITLEN
)) {
1257 "%s: Received prefix hdr->length %d which is greater than %d can support",
1258 __PRETTY_FUNCTION__
, p
.prefixlen
, p
.family
);
1262 STREAM_GET(&p
.u
.prefix
, s
, PSIZE(p
.prefixlen
));
1263 l
+= PSIZE(p
.prefixlen
);
1264 zebra_mpls_fec_unregister(zvrf
, &p
, client
);
1273 * Register zebra server interface information.
1274 * Send current all interface and address information.
1276 static void zread_interface_add(ZAPI_HANDLER_ARGS
)
1279 struct interface
*ifp
;
1281 /* Interface information is needed. */
1282 vrf_bitmap_set(client
->ifinfo
, zvrf_id(zvrf
));
1284 RB_FOREACH (vrf
, vrf_id_head
, &vrfs_by_id
) {
1285 FOR_ALL_INTERFACES (vrf
, ifp
) {
1286 /* Skip pseudo interface. */
1287 if (!CHECK_FLAG(ifp
->status
, ZEBRA_INTERFACE_ACTIVE
))
1290 zsend_interface_add(client
, ifp
);
1291 zsend_interface_addresses(client
, ifp
);
1296 /* Unregister zebra server interface information. */
1297 static void zread_interface_delete(ZAPI_HANDLER_ARGS
)
1299 vrf_bitmap_unset(client
->ifinfo
, zvrf_id(zvrf
));
1302 void zserv_nexthop_num_warn(const char *caller
, const struct prefix
*p
,
1303 const unsigned int nexthop_num
)
1305 if (nexthop_num
> multipath_num
) {
1306 char buff
[PREFIX2STR_BUFFER
];
1308 prefix2str(p
, buff
, sizeof(buff
));
1310 "%s: Prefix %s has %d nexthops, but we can only use the first %d",
1311 caller
, buff
, nexthop_num
, multipath_num
);
1315 static void zread_route_add(ZAPI_HANDLER_ARGS
)
1318 struct zapi_route api
;
1319 struct zapi_nexthop
*api_nh
;
1321 struct prefix_ipv6
*src_p
= NULL
;
1322 struct route_entry
*re
;
1323 struct nexthop
*nexthop
= NULL
;
1325 vrf_id_t vrf_id
= 0;
1326 struct ipaddr vtep_ip
;
1329 if (zapi_route_decode(s
, &api
) < 0) {
1330 if (IS_ZEBRA_DEBUG_RECV
)
1331 zlog_debug("%s: Unable to decode zapi_route sent",
1332 __PRETTY_FUNCTION__
);
1336 if (IS_ZEBRA_DEBUG_RECV
) {
1337 char buf_prefix
[PREFIX_STRLEN
];
1339 prefix2str(&api
.prefix
, buf_prefix
, sizeof(buf_prefix
));
1340 zlog_debug("%s: p=%s, ZAPI_MESSAGE_LABEL: %sset, flags=0x%x",
1341 __func__
, buf_prefix
,
1342 (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_LABEL
) ? ""
1347 /* Allocate new route. */
1348 vrf_id
= zvrf_id(zvrf
);
1349 re
= XCALLOC(MTYPE_RE
, sizeof(struct route_entry
));
1350 re
->type
= api
.type
;
1351 re
->instance
= api
.instance
;
1352 re
->flags
= api
.flags
;
1353 re
->uptime
= time(NULL
);
1354 re
->vrf_id
= vrf_id
;
1355 if (api
.tableid
&& vrf_id
== VRF_DEFAULT
)
1356 re
->table
= api
.tableid
;
1358 re
->table
= zvrf
->table_id
;
1361 * TBD should _all_ of the nexthop add operations use
1362 * api_nh->vrf_id instead of re->vrf_id ? I only changed
1363 * for cases NEXTHOP_TYPE_IPV4 and NEXTHOP_TYPE_IPV6.
1365 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_NEXTHOP
))
1366 for (i
= 0; i
< api
.nexthop_num
; i
++) {
1367 api_nh
= &api
.nexthops
[i
];
1368 ifindex_t ifindex
= 0;
1370 if (IS_ZEBRA_DEBUG_RECV
)
1371 zlog_debug("nh type %d", api_nh
->type
);
1373 switch (api_nh
->type
) {
1374 case NEXTHOP_TYPE_IFINDEX
:
1375 nexthop
= route_entry_nexthop_ifindex_add(
1376 re
, api_nh
->ifindex
, api_nh
->vrf_id
);
1378 case NEXTHOP_TYPE_IPV4
:
1379 if (IS_ZEBRA_DEBUG_RECV
) {
1380 char nhbuf
[INET6_ADDRSTRLEN
] = {0};
1382 inet_ntop(AF_INET
, &api_nh
->gate
.ipv4
,
1383 nhbuf
, INET6_ADDRSTRLEN
);
1384 zlog_debug("%s: nh=%s, vrf_id=%d",
1388 nexthop
= route_entry_nexthop_ipv4_add(
1389 re
, &api_nh
->gate
.ipv4
, NULL
,
1392 case NEXTHOP_TYPE_IPV4_IFINDEX
:
1394 memset(&vtep_ip
, 0, sizeof(struct ipaddr
));
1395 if (CHECK_FLAG(api
.flags
,
1396 ZEBRA_FLAG_EVPN_ROUTE
)) {
1397 ifindex
= get_l3vni_svi_ifindex(vrf_id
);
1399 ifindex
= api_nh
->ifindex
;
1402 if (IS_ZEBRA_DEBUG_RECV
) {
1403 char nhbuf
[INET6_ADDRSTRLEN
] = {0};
1405 inet_ntop(AF_INET
, &api_nh
->gate
.ipv4
,
1406 nhbuf
, INET6_ADDRSTRLEN
);
1408 "%s: nh=%s, vrf_id=%d (re->vrf_id=%d), ifindex=%d",
1409 __func__
, nhbuf
, api_nh
->vrf_id
,
1410 re
->vrf_id
, ifindex
);
1412 nexthop
= route_entry_nexthop_ipv4_ifindex_add(
1413 re
, &api_nh
->gate
.ipv4
, NULL
, ifindex
,
1416 /* if this an EVPN route entry,
1417 * program the nh as neigh
1419 if (CHECK_FLAG(api
.flags
,
1420 ZEBRA_FLAG_EVPN_ROUTE
)) {
1421 SET_FLAG(nexthop
->flags
,
1422 NEXTHOP_FLAG_EVPN_RVTEP
);
1423 vtep_ip
.ipa_type
= IPADDR_V4
;
1424 memcpy(&(vtep_ip
.ipaddr_v4
),
1425 &(api_nh
->gate
.ipv4
),
1426 sizeof(struct in_addr
));
1427 zebra_vxlan_evpn_vrf_route_add(
1428 vrf_id
, &api_nh
->rmac
, &vtep_ip
,
1432 case NEXTHOP_TYPE_IPV6
:
1433 nexthop
= route_entry_nexthop_ipv6_add(
1434 re
, &api_nh
->gate
.ipv6
, api_nh
->vrf_id
);
1436 case NEXTHOP_TYPE_IPV6_IFINDEX
:
1437 memset(&vtep_ip
, 0, sizeof(struct ipaddr
));
1438 if (CHECK_FLAG(api
.flags
,
1439 ZEBRA_FLAG_EVPN_ROUTE
)) {
1440 ifindex
= get_l3vni_svi_ifindex(vrf_id
);
1442 ifindex
= api_nh
->ifindex
;
1445 nexthop
= route_entry_nexthop_ipv6_ifindex_add(
1446 re
, &api_nh
->gate
.ipv6
, ifindex
,
1449 /* if this an EVPN route entry,
1450 * program the nh as neigh
1452 if (CHECK_FLAG(api
.flags
,
1453 ZEBRA_FLAG_EVPN_ROUTE
)) {
1454 SET_FLAG(nexthop
->flags
,
1455 NEXTHOP_FLAG_EVPN_RVTEP
);
1456 vtep_ip
.ipa_type
= IPADDR_V6
;
1457 memcpy(&vtep_ip
.ipaddr_v6
,
1458 &(api_nh
->gate
.ipv6
),
1459 sizeof(struct in6_addr
));
1460 zebra_vxlan_evpn_vrf_route_add(
1461 vrf_id
, &api_nh
->rmac
, &vtep_ip
,
1465 case NEXTHOP_TYPE_BLACKHOLE
:
1466 nexthop
= route_entry_nexthop_blackhole_add(
1467 re
, api_nh
->bh_type
);
1473 "%s: Nexthops Specified: %d but we failed to properly create one",
1474 __PRETTY_FUNCTION__
, api
.nexthop_num
);
1475 nexthops_free(re
->ng
.nexthop
);
1476 XFREE(MTYPE_RE
, re
);
1479 /* MPLS labels for BGP-LU or Segment Routing */
1480 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_LABEL
)
1481 && api_nh
->type
!= NEXTHOP_TYPE_IFINDEX
1482 && api_nh
->type
!= NEXTHOP_TYPE_BLACKHOLE
) {
1483 enum lsp_types_t label_type
;
1486 lsp_type_from_re_type(client
->proto
);
1488 if (IS_ZEBRA_DEBUG_RECV
) {
1490 "%s: adding %d labels of type %d (1st=%u)",
1491 __func__
, api_nh
->label_num
,
1492 label_type
, api_nh
->labels
[0]);
1495 nexthop_add_labels(nexthop
, label_type
,
1497 &api_nh
->labels
[0]);
1501 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_DISTANCE
))
1502 re
->distance
= api
.distance
;
1503 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_METRIC
))
1504 re
->metric
= api
.metric
;
1505 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_TAG
))
1507 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_MTU
))
1510 afi
= family2afi(api
.prefix
.family
);
1511 if (afi
!= AFI_IP6
&& CHECK_FLAG(api
.message
, ZAPI_MESSAGE_SRCPFX
)) {
1512 zlog_warn("%s: Received SRC Prefix but afi is not v6",
1513 __PRETTY_FUNCTION__
);
1514 nexthops_free(re
->ng
.nexthop
);
1515 XFREE(MTYPE_RE
, re
);
1518 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_SRCPFX
))
1519 src_p
= &api
.src_prefix
;
1521 ret
= rib_add_multipath(afi
, api
.safi
, &api
.prefix
, src_p
, re
);
1524 switch (api
.prefix
.family
) {
1527 client
->v4_route_add_cnt
++;
1529 client
->v4_route_upd8_cnt
++;
1533 client
->v6_route_add_cnt
++;
1535 client
->v6_route_upd8_cnt
++;
1540 static void zread_route_del(ZAPI_HANDLER_ARGS
)
1543 struct zapi_route api
;
1545 struct prefix_ipv6
*src_p
= NULL
;
1549 if (zapi_route_decode(s
, &api
) < 0)
1552 afi
= family2afi(api
.prefix
.family
);
1553 if (afi
!= AFI_IP6
&& CHECK_FLAG(api
.message
, ZAPI_MESSAGE_SRCPFX
)) {
1554 zlog_warn("%s: Received a src prefix while afi is not v6",
1555 __PRETTY_FUNCTION__
);
1558 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_SRCPFX
))
1559 src_p
= &api
.src_prefix
;
1561 if (api
.vrf_id
== VRF_DEFAULT
&& api
.tableid
!= 0)
1562 table_id
= api
.tableid
;
1564 table_id
= zvrf
->table_id
;
1566 rib_delete(afi
, api
.safi
, zvrf_id(zvrf
), api
.type
, api
.instance
,
1567 api
.flags
, &api
.prefix
, src_p
, NULL
, table_id
, api
.metric
,
1568 api
.distance
, false);
1571 switch (api
.prefix
.family
) {
1573 client
->v4_route_del_cnt
++;
1576 client
->v6_route_del_cnt
++;
1581 /* This function support multiple nexthop. */
1583 * Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update re and
1586 static void zread_ipv4_add(ZAPI_HANDLER_ARGS
)
1589 struct route_entry
*re
;
1592 struct in_addr nhop_addr
;
1593 uint8_t nexthop_num
;
1594 uint8_t nexthop_type
;
1599 enum lsp_types_t label_type
= ZEBRA_LSP_NONE
;
1601 struct nexthop
*nexthop
;
1602 enum blackhole_type bh_type
= BLACKHOLE_NULL
;
1604 /* Get input stream. */
1607 /* Allocate new re. */
1608 re
= XCALLOC(MTYPE_RE
, sizeof(struct route_entry
));
1610 /* Type, flags, message. */
1611 STREAM_GETC(s
, re
->type
);
1612 if (re
->type
> ZEBRA_ROUTE_MAX
) {
1613 zlog_warn("%s: Specified route type %d is not a legal value\n",
1614 __PRETTY_FUNCTION__
, re
->type
);
1615 XFREE(MTYPE_RE
, re
);
1618 STREAM_GETW(s
, re
->instance
);
1619 STREAM_GETL(s
, re
->flags
);
1620 STREAM_GETC(s
, message
);
1621 STREAM_GETW(s
, safi
);
1622 re
->uptime
= time(NULL
);
1625 memset(&p
, 0, sizeof(struct prefix_ipv4
));
1627 STREAM_GETC(s
, p
.prefixlen
);
1628 if (p
.prefixlen
> IPV4_MAX_BITLEN
) {
1630 "%s: Specified prefix length %d is greater than what v4 can be",
1631 __PRETTY_FUNCTION__
, p
.prefixlen
);
1632 XFREE(MTYPE_RE
, re
);
1635 STREAM_GET(&p
.u
.prefix4
, s
, PSIZE(p
.prefixlen
));
1638 re
->vrf_id
= zvrf_id(zvrf
);
1640 /* Nexthop parse. */
1641 if (CHECK_FLAG(message
, ZAPI_MESSAGE_NEXTHOP
)) {
1642 STREAM_GETC(s
, nexthop_num
);
1643 zserv_nexthop_num_warn(__func__
, (const struct prefix
*)&p
,
1646 if (CHECK_FLAG(message
, ZAPI_MESSAGE_LABEL
))
1647 label_type
= lsp_type_from_re_type(client
->proto
);
1649 for (i
= 0; i
< nexthop_num
; i
++) {
1650 STREAM_GETC(s
, nexthop_type
);
1652 switch (nexthop_type
) {
1653 case NEXTHOP_TYPE_IFINDEX
:
1654 STREAM_GETL(s
, ifindex
);
1655 route_entry_nexthop_ifindex_add(re
, ifindex
,
1658 case NEXTHOP_TYPE_IPV4
:
1659 STREAM_GET(&nhop_addr
.s_addr
, s
,
1661 nexthop
= route_entry_nexthop_ipv4_add(
1662 re
, &nhop_addr
, NULL
, re
->vrf_id
);
1664 * For labeled-unicast, each nexthop is followed
1667 if (CHECK_FLAG(message
, ZAPI_MESSAGE_LABEL
)) {
1668 STREAM_GETL(s
, label
);
1669 nexthop_add_labels(nexthop
, label_type
,
1673 case NEXTHOP_TYPE_IPV4_IFINDEX
:
1674 STREAM_GET(&nhop_addr
.s_addr
, s
,
1676 STREAM_GETL(s
, ifindex
);
1677 route_entry_nexthop_ipv4_ifindex_add(
1678 re
, &nhop_addr
, NULL
, ifindex
,
1681 case NEXTHOP_TYPE_IPV6
:
1683 "%s: Please use ZEBRA_ROUTE_ADD if you want to pass v6 nexthops",
1684 __PRETTY_FUNCTION__
);
1685 nexthops_free(re
->ng
.nexthop
);
1686 XFREE(MTYPE_RE
, re
);
1688 case NEXTHOP_TYPE_BLACKHOLE
:
1689 route_entry_nexthop_blackhole_add(re
, bh_type
);
1693 "%s: Specified nexthop type: %d does not exist",
1694 __PRETTY_FUNCTION__
, nexthop_type
);
1695 nexthops_free(re
->ng
.nexthop
);
1696 XFREE(MTYPE_RE
, re
);
1703 if (CHECK_FLAG(message
, ZAPI_MESSAGE_DISTANCE
))
1704 STREAM_GETC(s
, re
->distance
);
1707 if (CHECK_FLAG(message
, ZAPI_MESSAGE_METRIC
))
1708 STREAM_GETL(s
, re
->metric
);
1711 if (CHECK_FLAG(message
, ZAPI_MESSAGE_TAG
))
1712 STREAM_GETL(s
, re
->tag
);
1716 if (CHECK_FLAG(message
, ZAPI_MESSAGE_MTU
))
1717 STREAM_GETL(s
, re
->mtu
);
1722 re
->table
= zvrf
->table_id
;
1724 ret
= rib_add_multipath(AFI_IP
, safi
, &p
, NULL
, re
);
1728 client
->v4_route_add_cnt
++;
1730 client
->v4_route_upd8_cnt
++;
1735 nexthops_free(re
->ng
.nexthop
);
1736 XFREE(MTYPE_RE
, re
);
1739 /* Zebra server IPv4 prefix delete function. */
1740 static void zread_ipv4_delete(ZAPI_HANDLER_ARGS
)
1743 struct zapi_ipv4 api
;
1749 /* Type, flags, message. */
1750 STREAM_GETC(s
, api
.type
);
1751 STREAM_GETW(s
, api
.instance
);
1752 STREAM_GETL(s
, api
.flags
);
1753 STREAM_GETC(s
, api
.message
);
1754 STREAM_GETW(s
, api
.safi
);
1757 memset(&p
, 0, sizeof(struct prefix
));
1759 STREAM_GETC(s
, p
.prefixlen
);
1760 if (p
.prefixlen
> IPV4_MAX_BITLEN
) {
1761 zlog_warn("%s: Passed in prefixlen %d is impossible",
1762 __PRETTY_FUNCTION__
, p
.prefixlen
);
1765 STREAM_GET(&p
.u
.prefix4
, s
, PSIZE(p
.prefixlen
));
1767 table_id
= zvrf
->table_id
;
1769 rib_delete(AFI_IP
, api
.safi
, zvrf_id(zvrf
), api
.type
, api
.instance
,
1770 api
.flags
, &p
, NULL
, NULL
, table_id
, 0, 0, false);
1771 client
->v4_route_del_cnt
++;
1777 /* MRIB Nexthop lookup for IPv4. */
1778 static void zread_ipv4_nexthop_lookup_mrib(ZAPI_HANDLER_ARGS
)
1780 struct in_addr addr
;
1781 struct route_entry
*re
;
1783 STREAM_GET(&addr
.s_addr
, msg
, IPV4_MAX_BYTELEN
);
1784 re
= rib_match_ipv4_multicast(zvrf_id(zvrf
), addr
, NULL
);
1785 zsend_ipv4_nexthop_lookup_mrib(client
, addr
, re
, zvrf
);
1791 /* Zebra server IPv6 prefix add function. */
1792 static void zread_ipv4_route_ipv6_nexthop_add(ZAPI_HANDLER_ARGS
)
1796 struct in6_addr nhop_addr
;
1797 struct route_entry
*re
;
1799 uint8_t nexthop_num
;
1800 uint8_t nexthop_type
;
1803 static struct in6_addr nexthops
[MULTIPATH_NUM
];
1804 static unsigned int ifindices
[MULTIPATH_NUM
];
1806 static mpls_label_t labels
[MULTIPATH_NUM
];
1807 enum lsp_types_t label_type
= ZEBRA_LSP_NONE
;
1809 struct nexthop
*nexthop
;
1810 enum blackhole_type bh_type
= BLACKHOLE_NULL
;
1812 /* Get input stream. */
1815 memset(&nhop_addr
, 0, sizeof(struct in6_addr
));
1817 /* Allocate new re. */
1818 re
= XCALLOC(MTYPE_RE
, sizeof(struct route_entry
));
1820 /* Type, flags, message. */
1821 STREAM_GETC(s
, re
->type
);
1822 if (re
->type
> ZEBRA_ROUTE_MAX
) {
1823 zlog_warn("%s: Specified route type: %d is not a legal value\n",
1824 __PRETTY_FUNCTION__
, re
->type
);
1825 XFREE(MTYPE_RE
, re
);
1828 STREAM_GETW(s
, re
->instance
);
1829 STREAM_GETL(s
, re
->flags
);
1830 STREAM_GETC(s
, message
);
1831 STREAM_GETW(s
, safi
);
1832 re
->uptime
= time(NULL
);
1835 memset(&p
, 0, sizeof(struct prefix_ipv4
));
1837 STREAM_GETC(s
, p
.prefixlen
);
1838 if (p
.prefixlen
> IPV4_MAX_BITLEN
) {
1840 "%s: Prefix Length %d is greater than what a v4 address can use",
1841 __PRETTY_FUNCTION__
, p
.prefixlen
);
1842 XFREE(MTYPE_RE
, re
);
1845 STREAM_GET(&p
.u
.prefix4
, s
, PSIZE(p
.prefixlen
));
1848 re
->vrf_id
= zvrf_id(zvrf
);
1851 * We need to give nh-addr, nh-ifindex with the same next-hop object
1852 * to the re to ensure that IPv6 multipathing works; need to coalesce
1853 * these. Clients should send the same number of paired set of
1854 * next-hop-addr/next-hop-ifindices.
1856 if (CHECK_FLAG(message
, ZAPI_MESSAGE_NEXTHOP
)) {
1857 unsigned int nh_count
= 0;
1858 unsigned int if_count
= 0;
1859 unsigned int max_nh_if
= 0;
1861 STREAM_GETC(s
, nexthop_num
);
1862 zserv_nexthop_num_warn(__func__
, (const struct prefix
*)&p
,
1865 if (CHECK_FLAG(message
, ZAPI_MESSAGE_LABEL
))
1866 label_type
= lsp_type_from_re_type(client
->proto
);
1868 for (i
= 0; i
< nexthop_num
; i
++) {
1869 STREAM_GETC(s
, nexthop_type
);
1871 switch (nexthop_type
) {
1872 case NEXTHOP_TYPE_IPV6
:
1873 STREAM_GET(&nhop_addr
, s
, 16);
1874 if (nh_count
< MULTIPATH_NUM
) {
1876 * For labeled-unicast, each nexthop is
1877 * followed by the label.
1879 if (CHECK_FLAG(message
,
1880 ZAPI_MESSAGE_LABEL
)) {
1881 STREAM_GETL(s
, label
);
1882 labels
[nh_count
] = label
;
1884 nexthops
[nh_count
] = nhop_addr
;
1888 case NEXTHOP_TYPE_IFINDEX
:
1889 if (if_count
< multipath_num
)
1890 STREAM_GETL(s
, ifindices
[if_count
++]);
1892 case NEXTHOP_TYPE_BLACKHOLE
:
1893 route_entry_nexthop_blackhole_add(re
, bh_type
);
1897 "%s: Please use ZEBRA_ROUTE_ADD if you want to pass non v6 nexthops",
1898 __PRETTY_FUNCTION__
);
1899 nexthops_free(re
->ng
.nexthop
);
1900 XFREE(MTYPE_RE
, re
);
1905 max_nh_if
= (nh_count
> if_count
) ? nh_count
: if_count
;
1906 for (i
= 0; i
< max_nh_if
; i
++) {
1908 && !IN6_IS_ADDR_UNSPECIFIED(&nexthops
[i
])) {
1909 if ((i
< if_count
) && ifindices
[i
])
1911 route_entry_nexthop_ipv6_ifindex_add(
1916 nexthop
= route_entry_nexthop_ipv6_add(
1917 re
, &nexthops
[i
], re
->vrf_id
);
1919 if (CHECK_FLAG(message
, ZAPI_MESSAGE_LABEL
))
1920 nexthop_add_labels(nexthop
, label_type
,
1923 if ((i
< if_count
) && ifindices
[i
])
1924 route_entry_nexthop_ifindex_add(
1925 re
, ifindices
[i
], re
->vrf_id
);
1931 if (CHECK_FLAG(message
, ZAPI_MESSAGE_DISTANCE
))
1932 STREAM_GETC(s
, re
->distance
);
1935 if (CHECK_FLAG(message
, ZAPI_MESSAGE_METRIC
))
1936 STREAM_GETL(s
, re
->metric
);
1939 if (CHECK_FLAG(message
, ZAPI_MESSAGE_TAG
))
1940 STREAM_GETL(s
, re
->tag
);
1944 if (CHECK_FLAG(message
, ZAPI_MESSAGE_MTU
))
1945 STREAM_GETL(s
, re
->mtu
);
1950 re
->table
= zvrf
->table_id
;
1952 ret
= rib_add_multipath(AFI_IP6
, safi
, &p
, NULL
, re
);
1955 client
->v4_route_add_cnt
++;
1957 client
->v4_route_upd8_cnt
++;
1962 nexthops_free(re
->ng
.nexthop
);
1963 XFREE(MTYPE_RE
, re
);
1966 static void zread_ipv6_add(ZAPI_HANDLER_ARGS
)
1970 struct in6_addr nhop_addr
;
1972 struct route_entry
*re
;
1974 uint8_t nexthop_num
;
1975 uint8_t nexthop_type
;
1977 struct prefix_ipv6 src_p
, *src_pp
;
1979 static struct in6_addr nexthops
[MULTIPATH_NUM
];
1980 static unsigned int ifindices
[MULTIPATH_NUM
];
1982 static mpls_label_t labels
[MULTIPATH_NUM
];
1983 enum lsp_types_t label_type
= ZEBRA_LSP_NONE
;
1985 struct nexthop
*nexthop
;
1986 enum blackhole_type bh_type
= BLACKHOLE_NULL
;
1988 /* Get input stream. */
1991 memset(&nhop_addr
, 0, sizeof(struct in6_addr
));
1993 /* Allocate new re. */
1994 re
= XCALLOC(MTYPE_RE
, sizeof(struct route_entry
));
1996 /* Type, flags, message. */
1997 STREAM_GETC(s
, re
->type
);
1998 if (re
->type
> ZEBRA_ROUTE_MAX
) {
1999 zlog_warn("%s: Specified route type: %d is not a legal value\n",
2000 __PRETTY_FUNCTION__
, re
->type
);
2001 XFREE(MTYPE_RE
, re
);
2004 STREAM_GETW(s
, re
->instance
);
2005 STREAM_GETL(s
, re
->flags
);
2006 STREAM_GETC(s
, message
);
2007 STREAM_GETW(s
, safi
);
2008 re
->uptime
= time(NULL
);
2011 memset(&p
, 0, sizeof(p
));
2012 p
.family
= AF_INET6
;
2013 STREAM_GETC(s
, p
.prefixlen
);
2014 if (p
.prefixlen
> IPV6_MAX_BITLEN
) {
2016 "%s: Specified prefix length %d is to large for v6 prefix",
2017 __PRETTY_FUNCTION__
, p
.prefixlen
);
2018 XFREE(MTYPE_RE
, re
);
2021 STREAM_GET(&p
.u
.prefix6
, s
, PSIZE(p
.prefixlen
));
2023 if (CHECK_FLAG(message
, ZAPI_MESSAGE_SRCPFX
)) {
2024 memset(&src_p
, 0, sizeof(src_p
));
2025 src_p
.family
= AF_INET6
;
2026 STREAM_GETC(s
, src_p
.prefixlen
);
2027 if (src_p
.prefixlen
> IPV6_MAX_BITLEN
) {
2029 "%s: Specified src prefix length %d is to large for v6 prefix",
2030 __PRETTY_FUNCTION__
, src_p
.prefixlen
);
2031 XFREE(MTYPE_RE
, re
);
2034 STREAM_GET(&src_p
.prefix
, s
, PSIZE(src_p
.prefixlen
));
2040 re
->vrf_id
= zvrf_id(zvrf
);
2043 * We need to give nh-addr, nh-ifindex with the same next-hop object
2044 * to the re to ensure that IPv6 multipathing works; need to coalesce
2045 * these. Clients should send the same number of paired set of
2046 * next-hop-addr/next-hop-ifindices.
2048 if (CHECK_FLAG(message
, ZAPI_MESSAGE_NEXTHOP
)) {
2049 unsigned int nh_count
= 0;
2050 unsigned int if_count
= 0;
2051 unsigned int max_nh_if
= 0;
2053 STREAM_GETC(s
, nexthop_num
);
2054 zserv_nexthop_num_warn(__func__
, (const struct prefix
*)&p
,
2057 if (CHECK_FLAG(message
, ZAPI_MESSAGE_LABEL
))
2058 label_type
= lsp_type_from_re_type(client
->proto
);
2060 for (i
= 0; i
< nexthop_num
; i
++) {
2061 STREAM_GETC(s
, nexthop_type
);
2063 switch (nexthop_type
) {
2064 case NEXTHOP_TYPE_IPV6
:
2065 STREAM_GET(&nhop_addr
, s
, 16);
2066 if (nh_count
< MULTIPATH_NUM
) {
2068 * For labeled-unicast, each nexthop is
2069 * followed by label.
2071 if (CHECK_FLAG(message
,
2072 ZAPI_MESSAGE_LABEL
)) {
2073 STREAM_GETL(s
, label
);
2074 labels
[nh_count
] = label
;
2076 nexthops
[nh_count
++] = nhop_addr
;
2079 case NEXTHOP_TYPE_IPV6_IFINDEX
:
2080 STREAM_GET(&nhop_addr
, s
, 16);
2081 STREAM_GETL(s
, ifindex
);
2082 route_entry_nexthop_ipv6_ifindex_add(
2083 re
, &nhop_addr
, ifindex
, re
->vrf_id
);
2085 case NEXTHOP_TYPE_IFINDEX
:
2086 if (if_count
< multipath_num
)
2087 STREAM_GETL(s
, ifindices
[if_count
++]);
2089 case NEXTHOP_TYPE_BLACKHOLE
:
2090 route_entry_nexthop_blackhole_add(re
, bh_type
);
2094 "%s: Please use ZEBRA_ROUTE_ADD if you want to pass non v6 nexthops",
2095 __PRETTY_FUNCTION__
);
2096 nexthops_free(re
->ng
.nexthop
);
2097 XFREE(MTYPE_RE
, re
);
2102 max_nh_if
= (nh_count
> if_count
) ? nh_count
: if_count
;
2103 for (i
= 0; i
< max_nh_if
; i
++) {
2105 && !IN6_IS_ADDR_UNSPECIFIED(&nexthops
[i
])) {
2106 if ((i
< if_count
) && ifindices
[i
])
2108 route_entry_nexthop_ipv6_ifindex_add(
2113 nexthop
= route_entry_nexthop_ipv6_add(
2114 re
, &nexthops
[i
], re
->vrf_id
);
2115 if (CHECK_FLAG(message
, ZAPI_MESSAGE_LABEL
))
2116 nexthop_add_labels(nexthop
, label_type
,
2119 if ((i
< if_count
) && ifindices
[i
])
2120 route_entry_nexthop_ifindex_add(
2121 re
, ifindices
[i
], re
->vrf_id
);
2127 if (CHECK_FLAG(message
, ZAPI_MESSAGE_DISTANCE
))
2128 STREAM_GETC(s
, re
->distance
);
2131 if (CHECK_FLAG(message
, ZAPI_MESSAGE_METRIC
))
2132 STREAM_GETL(s
, re
->metric
);
2135 if (CHECK_FLAG(message
, ZAPI_MESSAGE_TAG
))
2136 STREAM_GETL(s
, re
->tag
);
2140 if (CHECK_FLAG(message
, ZAPI_MESSAGE_MTU
))
2141 STREAM_GETL(s
, re
->mtu
);
2145 re
->table
= zvrf
->table_id
;
2147 ret
= rib_add_multipath(AFI_IP6
, safi
, &p
, src_pp
, re
);
2150 client
->v6_route_add_cnt
++;
2152 client
->v6_route_upd8_cnt
++;
2157 nexthops_free(re
->ng
.nexthop
);
2158 XFREE(MTYPE_RE
, re
);
2161 /* Zebra server IPv6 prefix delete function. */
2162 static void zread_ipv6_delete(ZAPI_HANDLER_ARGS
)
2165 struct zapi_ipv6 api
;
2167 struct prefix_ipv6 src_p
, *src_pp
;
2171 /* Type, flags, message. */
2172 STREAM_GETC(s
, api
.type
);
2173 STREAM_GETW(s
, api
.instance
);
2174 STREAM_GETL(s
, api
.flags
);
2175 STREAM_GETC(s
, api
.message
);
2176 STREAM_GETW(s
, api
.safi
);
2179 memset(&p
, 0, sizeof(struct prefix
));
2180 p
.family
= AF_INET6
;
2181 STREAM_GETC(s
, p
.prefixlen
);
2182 STREAM_GET(&p
.u
.prefix6
, s
, PSIZE(p
.prefixlen
));
2184 if (CHECK_FLAG(api
.message
, ZAPI_MESSAGE_SRCPFX
)) {
2185 memset(&src_p
, 0, sizeof(struct prefix_ipv6
));
2186 src_p
.family
= AF_INET6
;
2187 STREAM_GETC(s
, src_p
.prefixlen
);
2188 STREAM_GET(&src_p
.prefix
, s
, PSIZE(src_p
.prefixlen
));
2193 rib_delete(AFI_IP6
, api
.safi
, zvrf_id(zvrf
), api
.type
, api
.instance
,
2194 api
.flags
, &p
, src_pp
, NULL
, client
->rtm_table
, 0, 0, false);
2196 client
->v6_route_del_cnt
++;
2202 /* Register zebra server router-id information. Send current router-id */
2203 static void zread_router_id_add(ZAPI_HANDLER_ARGS
)
2207 /* Router-id information is needed. */
2208 vrf_bitmap_set(client
->ridinfo
, zvrf_id(zvrf
));
2210 router_id_get(&p
, zvrf_id(zvrf
));
2212 zsend_router_id_update(client
, &p
, zvrf_id(zvrf
));
2215 /* Unregister zebra server router-id information. */
2216 static void zread_router_id_delete(ZAPI_HANDLER_ARGS
)
2218 vrf_bitmap_unset(client
->ridinfo
, zvrf_id(zvrf
));
2221 static void zsend_capabilities(struct zserv
*client
, struct zebra_vrf
*zvrf
)
2223 struct stream
*s
= stream_new(ZEBRA_MAX_PACKET_SIZ
);
2225 zclient_create_header(s
, ZEBRA_CAPABILITIES
, zvrf
->vrf
->vrf_id
);
2226 stream_putc(s
, mpls_enabled
);
2227 stream_putl(s
, multipath_num
);
2229 stream_putw_at(s
, 0, stream_get_endp(s
));
2230 zserv_send_message(client
, s
);
2233 /* Tie up route-type and client->sock */
2234 static void zread_hello(ZAPI_HANDLER_ARGS
)
2236 /* type of protocol (lib/zebra.h) */
2238 unsigned short instance
;
2241 STREAM_GETC(msg
, proto
);
2242 STREAM_GETW(msg
, instance
);
2243 STREAM_GETC(msg
, notify
);
2245 client
->notify_owner
= true;
2247 /* accept only dynamic routing protocols */
2248 if ((proto
< ZEBRA_ROUTE_MAX
) && (proto
> ZEBRA_ROUTE_CONNECT
)) {
2250 "client %d says hello and bids fair to announce only %s routes vrf=%u",
2251 client
->sock
, zebra_route_string(proto
),
2254 zlog_notice("client protocol instance %d", instance
);
2256 client
->proto
= proto
;
2257 client
->instance
= instance
;
2260 zsend_capabilities(client
, zvrf
);
2265 /* Unregister all information in a VRF. */
2266 static void zread_vrf_unregister(ZAPI_HANDLER_ARGS
)
2271 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
2272 for (i
= 0; i
< ZEBRA_ROUTE_MAX
; i
++)
2273 vrf_bitmap_unset(client
->redist
[afi
][i
], zvrf_id(zvrf
));
2274 vrf_bitmap_unset(client
->redist_default
, zvrf_id(zvrf
));
2275 vrf_bitmap_unset(client
->ifinfo
, zvrf_id(zvrf
));
2276 vrf_bitmap_unset(client
->ridinfo
, zvrf_id(zvrf
));
2279 static void zread_mpls_labels(ZAPI_HANDLER_ARGS
)
2282 enum lsp_types_t type
;
2283 struct prefix prefix
;
2284 enum nexthop_types_t gtype
;
2287 mpls_label_t in_label
, out_label
;
2290 /* Get input stream. */
2294 STREAM_GETC(s
, type
);
2295 STREAM_GETL(s
, prefix
.family
);
2296 switch (prefix
.family
) {
2298 STREAM_GET(&prefix
.u
.prefix4
.s_addr
, s
, IPV4_MAX_BYTELEN
);
2299 STREAM_GETC(s
, prefix
.prefixlen
);
2300 if (prefix
.prefixlen
> IPV4_MAX_BITLEN
) {
2302 "%s: Specified prefix length %d is greater than a v4 address can support",
2303 __PRETTY_FUNCTION__
, prefix
.prefixlen
);
2306 STREAM_GET(&gate
.ipv4
.s_addr
, s
, IPV4_MAX_BYTELEN
);
2309 STREAM_GET(&prefix
.u
.prefix6
, s
, 16);
2310 STREAM_GETC(s
, prefix
.prefixlen
);
2311 if (prefix
.prefixlen
> IPV6_MAX_BITLEN
) {
2313 "%s: Specified prefix length %d is greater than a v6 address can support",
2314 __PRETTY_FUNCTION__
, prefix
.prefixlen
);
2317 STREAM_GET(&gate
.ipv6
, s
, 16);
2320 zlog_warn("%s: Specified AF %d is not supported for this call",
2321 __PRETTY_FUNCTION__
, prefix
.family
);
2324 STREAM_GETL(s
, ifindex
);
2325 STREAM_GETC(s
, distance
);
2326 STREAM_GETL(s
, in_label
);
2327 STREAM_GETL(s
, out_label
);
2329 switch (prefix
.family
) {
2332 gtype
= NEXTHOP_TYPE_IPV4_IFINDEX
;
2334 gtype
= NEXTHOP_TYPE_IPV4
;
2338 gtype
= NEXTHOP_TYPE_IPV6_IFINDEX
;
2340 gtype
= NEXTHOP_TYPE_IPV6
;
2349 if (hdr
->command
== ZEBRA_MPLS_LABELS_ADD
) {
2350 mpls_lsp_install(zvrf
, type
, in_label
, out_label
, gtype
, &gate
,
2352 mpls_ftn_update(1, zvrf
, type
, &prefix
, gtype
, &gate
, ifindex
,
2353 distance
, out_label
);
2354 } else if (hdr
->command
== ZEBRA_MPLS_LABELS_DELETE
) {
2355 mpls_lsp_uninstall(zvrf
, type
, in_label
, gtype
, &gate
, ifindex
);
2356 mpls_ftn_update(0, zvrf
, type
, &prefix
, gtype
, &gate
, ifindex
,
2357 distance
, out_label
);
2363 /* Send response to a table manager connect request to client */
2364 static void zread_table_manager_connect(struct zserv
*client
,
2365 struct stream
*msg
, vrf_id_t vrf_id
)
2374 STREAM_GETC(s
, proto
);
2375 STREAM_GETW(s
, instance
);
2377 /* accept only dynamic routing protocols */
2378 if ((proto
>= ZEBRA_ROUTE_MAX
) || (proto
<= ZEBRA_ROUTE_STATIC
)) {
2379 zlog_err("client %d has wrong protocol %s", client
->sock
,
2380 zebra_route_string(proto
));
2381 zsend_table_manager_connect_response(client
, vrf_id
, 1);
2384 zlog_notice("client %d with vrf %u instance %u connected as %s",
2385 client
->sock
, vrf_id
, instance
, zebra_route_string(proto
));
2386 client
->proto
= proto
;
2387 client
->instance
= instance
;
2390 * Release previous labels of same protocol and instance.
2391 * This is done in case it restarted from an unexpected shutdown.
2393 release_daemon_table_chunks(client
);
2395 zsend_table_manager_connect_response(client
, vrf_id
, 0);
2401 static void zread_label_manager_connect(struct zserv
*client
,
2402 struct stream
*msg
, vrf_id_t vrf_id
)
2405 /* type of protocol (lib/zebra.h) */
2407 unsigned short instance
;
2409 /* Get input stream. */
2413 STREAM_GETC(s
, proto
);
2414 STREAM_GETW(s
, instance
);
2416 /* accept only dynamic routing protocols */
2417 if ((proto
>= ZEBRA_ROUTE_MAX
) || (proto
<= ZEBRA_ROUTE_STATIC
)) {
2418 zlog_err("client %d has wrong protocol %s", client
->sock
,
2419 zebra_route_string(proto
));
2420 zsend_label_manager_connect_response(client
, vrf_id
, 1);
2423 zlog_notice("client %d with vrf %u instance %u connected as %s",
2424 client
->sock
, vrf_id
, instance
, zebra_route_string(proto
));
2425 client
->proto
= proto
;
2426 client
->instance
= instance
;
2429 * Release previous labels of same protocol and instance.
2430 * This is done in case it restarted from an unexpected shutdown.
2432 release_daemon_label_chunks(client
);
2435 " Label Manager client connected: sock %d, proto %s, vrf %u instance %u",
2436 client
->sock
, zebra_route_string(proto
), vrf_id
, instance
);
2437 /* send response back */
2438 zsend_label_manager_connect_response(client
, vrf_id
, 0);
2443 static int msg_client_id_mismatch(const char *op
, struct zserv
*client
,
2444 uint8_t proto
, unsigned int instance
)
2446 if (proto
!= client
->proto
) {
2447 zlog_err("%s: msg vs client proto mismatch, client=%u msg=%u",
2448 op
, client
->proto
, proto
);
2449 /* TODO: fail when BGP sets proto and instance */
2453 if (instance
!= client
->instance
) {
2455 "%s: msg vs client instance mismatch, client=%u msg=%u",
2456 op
, client
->instance
, instance
);
2457 /* TODO: fail when BGP sets proto and instance */
2464 static void zread_get_label_chunk(struct zserv
*client
, struct stream
*msg
,
2470 struct label_manager_chunk
*lmc
;
2472 unsigned short instance
;
2474 /* Get input stream. */
2478 STREAM_GETC(s
, proto
);
2479 STREAM_GETW(s
, instance
);
2480 STREAM_GETC(s
, keep
);
2481 STREAM_GETL(s
, size
);
2483 /* detect client vs message (proto,instance) mismatch */
2484 if (msg_client_id_mismatch("Get-label-chunk", client
, proto
, instance
))
2487 lmc
= assign_label_chunk(client
->proto
, client
->instance
, keep
, size
);
2490 "Unable to assign Label Chunk of size %u to %s instance %u",
2491 size
, zebra_route_string(client
->proto
),
2494 zlog_debug("Assigned Label Chunk %u - %u to %s instance %u",
2495 lmc
->start
, lmc
->end
,
2496 zebra_route_string(client
->proto
), client
->instance
);
2497 /* send response back */
2498 zsend_assign_label_chunk_response(client
, vrf_id
, lmc
);
2504 static void zread_release_label_chunk(struct zserv
*client
, struct stream
*msg
)
2507 uint32_t start
, end
;
2509 unsigned short instance
;
2511 /* Get input stream. */
2515 STREAM_GETC(s
, proto
);
2516 STREAM_GETW(s
, instance
);
2517 STREAM_GETL(s
, start
);
2518 STREAM_GETL(s
, end
);
2520 /* detect client vs message (proto,instance) mismatch */
2521 if (msg_client_id_mismatch("Release-label-chunk", client
, proto
,
2525 release_label_chunk(client
->proto
, client
->instance
, start
, end
);
2530 static void zread_label_manager_request(ZAPI_HANDLER_ARGS
)
2532 /* to avoid sending other messages like ZERBA_INTERFACE_UP */
2533 if (hdr
->command
== ZEBRA_LABEL_MANAGER_CONNECT
)
2534 client
->is_synchronous
= 1;
2536 /* external label manager */
2538 zread_relay_label_manager_request(hdr
->command
, client
, msg
,
2540 /* this is a label manager */
2542 if (hdr
->command
== ZEBRA_LABEL_MANAGER_CONNECT
)
2543 zread_label_manager_connect(client
, msg
, zvrf_id(zvrf
));
2545 /* Sanity: don't allow 'unidentified' requests */
2546 if (!client
->proto
) {
2548 "Got label request from an unidentified client");
2551 if (hdr
->command
== ZEBRA_GET_LABEL_CHUNK
)
2552 zread_get_label_chunk(client
, msg
,
2554 else if (hdr
->command
== ZEBRA_RELEASE_LABEL_CHUNK
)
2555 zread_release_label_chunk(client
, msg
);
2560 static void zread_get_table_chunk(struct zserv
*client
, struct stream
*msg
,
2565 struct table_manager_chunk
*tmc
;
2567 /* Get input stream. */
2571 STREAM_GETL(s
, size
);
2573 tmc
= assign_table_chunk(client
->proto
, client
->instance
, size
);
2575 zlog_err("%s: Unable to assign Table Chunk of size %u",
2578 zlog_debug("Assigned Table Chunk %u - %u", tmc
->start
,
2580 /* send response back */
2581 zsend_assign_table_chunk_response(client
, vrf_id
, tmc
);
2587 static void zread_release_table_chunk(struct zserv
*client
, struct stream
*msg
)
2590 uint32_t start
, end
;
2592 /* Get input stream. */
2596 STREAM_GETL(s
, start
);
2597 STREAM_GETL(s
, end
);
2599 release_table_chunk(client
->proto
, client
->instance
, start
, end
);
2605 static void zread_table_manager_request(ZAPI_HANDLER_ARGS
)
2607 /* to avoid sending other messages like ZERBA_INTERFACE_UP */
2608 if (hdr
->command
== ZEBRA_TABLE_MANAGER_CONNECT
)
2609 zread_table_manager_connect(client
, msg
, zvrf_id(zvrf
));
2611 /* Sanity: don't allow 'unidentified' requests */
2612 if (!client
->proto
) {
2614 "Got table request from an unidentified client");
2617 if (hdr
->command
== ZEBRA_GET_TABLE_CHUNK
)
2618 zread_get_table_chunk(client
, msg
, zvrf_id(zvrf
));
2619 else if (hdr
->command
== ZEBRA_RELEASE_TABLE_CHUNK
)
2620 zread_release_table_chunk(client
, msg
);
2624 static void zread_pseudowire(ZAPI_HANDLER_ARGS
)
2627 char ifname
[IF_NAMESIZE
];
2631 union g_addr nexthop
;
2632 uint32_t local_label
;
2633 uint32_t remote_label
;
2635 union pw_protocol_fields data
;
2637 struct zebra_pw
*pw
;
2639 /* Get input stream. */
2643 STREAM_GET(ifname
, s
, IF_NAMESIZE
);
2644 STREAM_GETL(s
, ifindex
);
2645 STREAM_GETL(s
, type
);
2649 STREAM_GET(&nexthop
.ipv4
.s_addr
, s
, IPV4_MAX_BYTELEN
);
2652 STREAM_GET(&nexthop
.ipv6
, s
, 16);
2657 STREAM_GETL(s
, local_label
);
2658 STREAM_GETL(s
, remote_label
);
2659 STREAM_GETC(s
, flags
);
2660 STREAM_GET(&data
, s
, sizeof(data
));
2661 protocol
= client
->proto
;
2663 pw
= zebra_pw_find(zvrf
, ifname
);
2664 switch (hdr
->command
) {
2667 zlog_warn("%s: pseudowire %s already exists [%s]",
2669 zserv_command_string(hdr
->command
));
2673 zebra_pw_add(zvrf
, ifname
, protocol
, client
);
2675 case ZEBRA_PW_DELETE
:
2677 zlog_warn("%s: pseudowire %s not found [%s]", __func__
,
2678 ifname
, zserv_command_string(hdr
->command
));
2682 zebra_pw_del(zvrf
, pw
);
2685 case ZEBRA_PW_UNSET
:
2687 zlog_warn("%s: pseudowire %s not found [%s]", __func__
,
2688 ifname
, zserv_command_string(hdr
->command
));
2692 switch (hdr
->command
) {
2696 case ZEBRA_PW_UNSET
:
2701 zebra_pw_change(pw
, ifindex
, type
, af
, &nexthop
, local_label
,
2702 remote_label
, flags
, &data
);
2710 static void zread_interface_set_master(ZAPI_HANDLER_ARGS
)
2712 struct interface
*master
;
2713 struct interface
*slave
;
2714 struct stream
*s
= msg
;
2718 STREAM_GETL(s
, vrf_id
);
2719 STREAM_GETL(s
, ifindex
);
2720 master
= if_lookup_by_index(ifindex
, vrf_id
);
2722 STREAM_GETL(s
, vrf_id
);
2723 STREAM_GETL(s
, ifindex
);
2724 slave
= if_lookup_by_index(ifindex
, vrf_id
);
2726 if (!master
|| !slave
)
2729 kernel_interface_set_master(master
, slave
);
2736 static void zread_vrf_label(ZAPI_HANDLER_ARGS
)
2738 struct interface
*ifp
;
2739 mpls_label_t nlabel
;
2742 struct zebra_vrf
*def_zvrf
;
2743 enum lsp_types_t ltype
;
2746 STREAM_GETL(s
, nlabel
);
2747 STREAM_GETC(s
, afi
);
2748 if (nlabel
== zvrf
->label
[afi
]) {
2750 * Nothing to do here move along
2755 STREAM_GETC(s
, ltype
);
2757 if (zvrf
->vrf
->vrf_id
!= VRF_DEFAULT
)
2758 ifp
= if_lookup_by_name(zvrf
->vrf
->name
, zvrf
->vrf
->vrf_id
);
2760 ifp
= if_lookup_by_name("lo", VRF_DEFAULT
);
2763 zlog_debug("Unable to find specified Interface for %s",
2768 def_zvrf
= zebra_vrf_lookup_by_id(VRF_DEFAULT
);
2770 if (zvrf
->label
[afi
] != MPLS_LABEL_NONE
) {
2774 really_remove
= true;
2775 for (scrubber
= AFI_IP
; scrubber
< AFI_MAX
; scrubber
++) {
2776 if (scrubber
== afi
)
2779 if (zvrf
->label
[scrubber
] == MPLS_LABEL_NONE
)
2782 if (zvrf
->label
[afi
] == zvrf
->label
[scrubber
]) {
2783 really_remove
= false;
2789 mpls_lsp_uninstall(def_zvrf
, ltype
, zvrf
->label
[afi
],
2790 NEXTHOP_TYPE_IFINDEX
, NULL
,
2794 if (nlabel
!= MPLS_LABEL_NONE
)
2795 mpls_lsp_install(def_zvrf
, ltype
, nlabel
,
2796 MPLS_LABEL_IMPLICIT_NULL
, NEXTHOP_TYPE_IFINDEX
,
2797 NULL
, ifp
->ifindex
);
2799 zvrf
->label
[afi
] = nlabel
;
2804 static inline void zread_rule(ZAPI_HANDLER_ARGS
)
2806 struct zebra_pbr_rule zpr
;
2812 STREAM_GETL(s
, total
);
2814 for (i
= 0; i
< total
; i
++) {
2815 memset(&zpr
, 0, sizeof(zpr
));
2817 zpr
.sock
= client
->sock
;
2818 zpr
.rule
.vrf_id
= hdr
->vrf_id
;
2819 STREAM_GETL(s
, zpr
.rule
.seq
);
2820 STREAM_GETL(s
, zpr
.rule
.priority
);
2821 STREAM_GETL(s
, zpr
.rule
.unique
);
2822 STREAM_GETC(s
, zpr
.rule
.filter
.src_ip
.family
);
2823 STREAM_GETC(s
, zpr
.rule
.filter
.src_ip
.prefixlen
);
2824 STREAM_GET(&zpr
.rule
.filter
.src_ip
.u
.prefix
, s
,
2825 prefix_blen(&zpr
.rule
.filter
.src_ip
));
2826 STREAM_GETW(s
, zpr
.rule
.filter
.src_port
);
2827 STREAM_GETC(s
, zpr
.rule
.filter
.dst_ip
.family
);
2828 STREAM_GETC(s
, zpr
.rule
.filter
.dst_ip
.prefixlen
);
2829 STREAM_GET(&zpr
.rule
.filter
.dst_ip
.u
.prefix
, s
,
2830 prefix_blen(&zpr
.rule
.filter
.dst_ip
));
2831 STREAM_GETW(s
, zpr
.rule
.filter
.dst_port
);
2832 STREAM_GETL(s
, zpr
.rule
.filter
.fwmark
);
2833 STREAM_GETL(s
, zpr
.rule
.action
.table
);
2834 STREAM_GETL(s
, ifindex
);
2837 zpr
.ifp
= if_lookup_by_index_per_ns(
2841 zlog_debug("Failed to lookup ifindex: %u",
2847 if (!is_default_prefix(&zpr
.rule
.filter
.src_ip
))
2848 zpr
.rule
.filter
.filter_bm
|= PBR_FILTER_SRC_IP
;
2850 if (!is_default_prefix(&zpr
.rule
.filter
.dst_ip
))
2851 zpr
.rule
.filter
.filter_bm
|= PBR_FILTER_DST_IP
;
2853 if (zpr
.rule
.filter
.src_port
)
2854 zpr
.rule
.filter
.filter_bm
|= PBR_FILTER_SRC_PORT
;
2856 if (zpr
.rule
.filter
.dst_port
)
2857 zpr
.rule
.filter
.filter_bm
|= PBR_FILTER_DST_PORT
;
2859 if (zpr
.rule
.filter
.fwmark
)
2860 zpr
.rule
.filter
.filter_bm
|= PBR_FILTER_FWMARK
;
2862 if (hdr
->command
== ZEBRA_RULE_ADD
)
2863 zebra_pbr_add_rule(zvrf
->zns
, &zpr
);
2865 zebra_pbr_del_rule(zvrf
->zns
, &zpr
);
2872 static inline void zread_ipset(ZAPI_HANDLER_ARGS
)
2874 struct zebra_pbr_ipset zpi
;
2879 STREAM_GETL(s
, total
);
2881 for (i
= 0; i
< total
; i
++) {
2882 memset(&zpi
, 0, sizeof(zpi
));
2884 zpi
.sock
= client
->sock
;
2885 zpi
.vrf_id
= zvrf
->vrf
->vrf_id
;
2886 STREAM_GETL(s
, zpi
.unique
);
2887 STREAM_GETL(s
, zpi
.type
);
2888 STREAM_GET(&zpi
.ipset_name
, s
, ZEBRA_IPSET_NAME_SIZE
);
2890 if (hdr
->command
== ZEBRA_IPSET_CREATE
)
2891 zebra_pbr_create_ipset(zvrf
->zns
, &zpi
);
2893 zebra_pbr_destroy_ipset(zvrf
->zns
, &zpi
);
2900 static inline void zread_ipset_entry(ZAPI_HANDLER_ARGS
)
2902 struct zebra_pbr_ipset_entry zpi
;
2903 struct zebra_pbr_ipset ipset
;
2908 STREAM_GETL(s
, total
);
2910 for (i
= 0; i
< total
; i
++) {
2911 memset(&zpi
, 0, sizeof(zpi
));
2912 memset(&ipset
, 0, sizeof(ipset
));
2914 zpi
.sock
= client
->sock
;
2915 STREAM_GETL(s
, zpi
.unique
);
2916 STREAM_GET(&ipset
.ipset_name
, s
, ZEBRA_IPSET_NAME_SIZE
);
2917 STREAM_GETC(s
, zpi
.src
.family
);
2918 STREAM_GETC(s
, zpi
.src
.prefixlen
);
2919 STREAM_GET(&zpi
.src
.u
.prefix
, s
, prefix_blen(&zpi
.src
));
2920 STREAM_GETC(s
, zpi
.dst
.family
);
2921 STREAM_GETC(s
, zpi
.dst
.prefixlen
);
2922 STREAM_GET(&zpi
.dst
.u
.prefix
, s
, prefix_blen(&zpi
.dst
));
2924 STREAM_GETW(s
, zpi
.src_port_min
);
2925 STREAM_GETW(s
, zpi
.src_port_max
);
2926 STREAM_GETW(s
, zpi
.dst_port_min
);
2927 STREAM_GETW(s
, zpi
.dst_port_max
);
2928 STREAM_GETC(s
, zpi
.proto
);
2929 if (!is_default_prefix(&zpi
.src
))
2930 zpi
.filter_bm
|= PBR_FILTER_SRC_IP
;
2932 if (!is_default_prefix(&zpi
.dst
))
2933 zpi
.filter_bm
|= PBR_FILTER_DST_IP
;
2934 if (zpi
.dst_port_min
!= 0 || zpi
.proto
== IPPROTO_ICMP
)
2935 zpi
.filter_bm
|= PBR_FILTER_DST_PORT
;
2936 if (zpi
.src_port_min
!= 0 || zpi
.proto
== IPPROTO_ICMP
)
2937 zpi
.filter_bm
|= PBR_FILTER_SRC_PORT
;
2938 if (zpi
.dst_port_max
!= 0)
2939 zpi
.filter_bm
|= PBR_FILTER_DST_PORT_RANGE
;
2940 if (zpi
.src_port_max
!= 0)
2941 zpi
.filter_bm
|= PBR_FILTER_SRC_PORT_RANGE
;
2943 zpi
.filter_bm
|= PBR_FILTER_PROTO
;
2945 /* calculate backpointer */
2946 zpi
.backpointer
= zebra_pbr_lookup_ipset_pername(
2947 zvrf
->zns
, ipset
.ipset_name
);
2948 if (hdr
->command
== ZEBRA_IPSET_ENTRY_ADD
)
2949 zebra_pbr_add_ipset_entry(zvrf
->zns
, &zpi
);
2951 zebra_pbr_del_ipset_entry(zvrf
->zns
, &zpi
);
2958 static inline void zread_iptable(ZAPI_HANDLER_ARGS
)
2960 struct zebra_pbr_iptable zpi
;
2965 memset(&zpi
, 0, sizeof(zpi
));
2967 zpi
.interface_name_list
= list_new();
2968 zpi
.sock
= client
->sock
;
2969 zpi
.vrf_id
= zvrf
->vrf
->vrf_id
;
2970 STREAM_GETL(s
, zpi
.unique
);
2971 STREAM_GETL(s
, zpi
.type
);
2972 STREAM_GETL(s
, zpi
.filter_bm
);
2973 STREAM_GETL(s
, zpi
.action
);
2974 STREAM_GETL(s
, zpi
.fwmark
);
2975 STREAM_GET(&zpi
.ipset_name
, s
, ZEBRA_IPSET_NAME_SIZE
);
2976 STREAM_GETW(s
, zpi
.pkt_len_min
);
2977 STREAM_GETW(s
, zpi
.pkt_len_max
);
2978 STREAM_GETW(s
, zpi
.tcp_flags
);
2979 STREAM_GETW(s
, zpi
.tcp_mask_flags
);
2980 STREAM_GETC(s
, zpi
.dscp_value
);
2981 STREAM_GETC(s
, zpi
.fragment
);
2982 STREAM_GETL(s
, zpi
.nb_interface
);
2983 zebra_pbr_iptable_update_interfacelist(s
, &zpi
);
2985 if (hdr
->command
== ZEBRA_IPTABLE_ADD
)
2986 zebra_pbr_add_iptable(zvrf
->zns
, &zpi
);
2988 zebra_pbr_del_iptable(zvrf
->zns
, &zpi
);
2993 void (*zserv_handlers
[])(ZAPI_HANDLER_ARGS
) = {
2994 [ZEBRA_ROUTER_ID_ADD
] = zread_router_id_add
,
2995 [ZEBRA_ROUTER_ID_DELETE
] = zread_router_id_delete
,
2996 [ZEBRA_INTERFACE_ADD
] = zread_interface_add
,
2997 [ZEBRA_INTERFACE_DELETE
] = zread_interface_delete
,
2998 [ZEBRA_ROUTE_ADD
] = zread_route_add
,
2999 [ZEBRA_ROUTE_DELETE
] = zread_route_del
,
3000 [ZEBRA_IPV4_ROUTE_ADD
] = zread_ipv4_add
,
3001 [ZEBRA_IPV4_ROUTE_DELETE
] = zread_ipv4_delete
,
3002 [ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD
] = zread_ipv4_route_ipv6_nexthop_add
,
3003 [ZEBRA_IPV6_ROUTE_ADD
] = zread_ipv6_add
,
3004 [ZEBRA_IPV6_ROUTE_DELETE
] = zread_ipv6_delete
,
3005 [ZEBRA_REDISTRIBUTE_ADD
] = zebra_redistribute_add
,
3006 [ZEBRA_REDISTRIBUTE_DELETE
] = zebra_redistribute_delete
,
3007 [ZEBRA_REDISTRIBUTE_DEFAULT_ADD
] = zebra_redistribute_default_add
,
3008 [ZEBRA_REDISTRIBUTE_DEFAULT_DELETE
] = zebra_redistribute_default_delete
,
3009 [ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB
] = zread_ipv4_nexthop_lookup_mrib
,
3010 [ZEBRA_HELLO
] = zread_hello
,
3011 [ZEBRA_NEXTHOP_REGISTER
] = zread_rnh_register
,
3012 [ZEBRA_NEXTHOP_UNREGISTER
] = zread_rnh_unregister
,
3013 [ZEBRA_IMPORT_ROUTE_REGISTER
] = zread_rnh_register
,
3014 [ZEBRA_IMPORT_ROUTE_UNREGISTER
] = zread_rnh_unregister
,
3015 [ZEBRA_BFD_DEST_UPDATE
] = zebra_ptm_bfd_dst_register
,
3016 [ZEBRA_BFD_DEST_REGISTER
] = zebra_ptm_bfd_dst_register
,
3017 [ZEBRA_BFD_DEST_DEREGISTER
] = zebra_ptm_bfd_dst_deregister
,
3019 [ZEBRA_BFD_DEST_REPLAY
] = zebra_ptm_bfd_dst_replay
,
3020 #endif /* HAVE_BFDD */
3021 [ZEBRA_VRF_UNREGISTER
] = zread_vrf_unregister
,
3022 [ZEBRA_VRF_LABEL
] = zread_vrf_label
,
3023 [ZEBRA_BFD_CLIENT_REGISTER
] = zebra_ptm_bfd_client_register
,
3024 #if defined(HAVE_RTADV)
3025 [ZEBRA_INTERFACE_ENABLE_RADV
] = zebra_interface_radv_enable
,
3026 [ZEBRA_INTERFACE_DISABLE_RADV
] = zebra_interface_radv_disable
,
3028 [ZEBRA_INTERFACE_ENABLE_RADV
] = NULL
,
3029 [ZEBRA_INTERFACE_DISABLE_RADV
] = NULL
,
3031 [ZEBRA_MPLS_LABELS_ADD
] = zread_mpls_labels
,
3032 [ZEBRA_MPLS_LABELS_DELETE
] = zread_mpls_labels
,
3033 [ZEBRA_IPMR_ROUTE_STATS
] = zebra_ipmr_route_stats
,
3034 [ZEBRA_LABEL_MANAGER_CONNECT
] = zread_label_manager_request
,
3035 [ZEBRA_GET_LABEL_CHUNK
] = zread_label_manager_request
,
3036 [ZEBRA_RELEASE_LABEL_CHUNK
] = zread_label_manager_request
,
3037 [ZEBRA_FEC_REGISTER
] = zread_fec_register
,
3038 [ZEBRA_FEC_UNREGISTER
] = zread_fec_unregister
,
3039 [ZEBRA_ADVERTISE_DEFAULT_GW
] = zebra_vxlan_advertise_gw_macip
,
3040 [ZEBRA_ADVERTISE_SUBNET
] = zebra_vxlan_advertise_subnet
,
3041 [ZEBRA_ADVERTISE_ALL_VNI
] = zebra_vxlan_advertise_all_vni
,
3042 [ZEBRA_REMOTE_VTEP_ADD
] = zebra_vxlan_remote_vtep_add
,
3043 [ZEBRA_REMOTE_VTEP_DEL
] = zebra_vxlan_remote_vtep_del
,
3044 [ZEBRA_REMOTE_MACIP_ADD
] = zebra_vxlan_remote_macip_add
,
3045 [ZEBRA_REMOTE_MACIP_DEL
] = zebra_vxlan_remote_macip_del
,
3046 [ZEBRA_INTERFACE_SET_MASTER
] = zread_interface_set_master
,
3047 [ZEBRA_PW_ADD
] = zread_pseudowire
,
3048 [ZEBRA_PW_DELETE
] = zread_pseudowire
,
3049 [ZEBRA_PW_SET
] = zread_pseudowire
,
3050 [ZEBRA_PW_UNSET
] = zread_pseudowire
,
3051 [ZEBRA_RULE_ADD
] = zread_rule
,
3052 [ZEBRA_RULE_DELETE
] = zread_rule
,
3053 [ZEBRA_TABLE_MANAGER_CONNECT
] = zread_table_manager_request
,
3054 [ZEBRA_GET_TABLE_CHUNK
] = zread_table_manager_request
,
3055 [ZEBRA_RELEASE_TABLE_CHUNK
] = zread_table_manager_request
,
3056 [ZEBRA_IPSET_CREATE
] = zread_ipset
,
3057 [ZEBRA_IPSET_DESTROY
] = zread_ipset
,
3058 [ZEBRA_IPSET_ENTRY_ADD
] = zread_ipset_entry
,
3059 [ZEBRA_IPSET_ENTRY_DELETE
] = zread_ipset_entry
,
3060 [ZEBRA_IPTABLE_ADD
] = zread_iptable
,
3061 [ZEBRA_IPTABLE_DELETE
] = zread_iptable
,
3064 #if defined(HANDLE_ZAPI_FUZZING)
3065 extern struct zebra_privs_t zserv_privs
;
3067 static void zserv_write_incoming(struct stream
*orig
, uint16_t command
)
3069 char fname
[MAXPATHLEN
];
3070 struct stream
*copy
;
3073 copy
= stream_dup(orig
);
3074 stream_set_getp(copy
, 0);
3076 zserv_privs
.change(ZPRIVS_RAISE
);
3077 snprintf(fname
, MAXPATHLEN
, "%s/%u", DAEMON_VTY_DIR
, command
);
3078 fd
= open(fname
, O_CREAT
| O_WRONLY
| O_EXCL
, 0644);
3079 stream_flush(copy
, fd
);
3081 zserv_privs
.change(ZPRIVS_LOWER
);
3086 void zserv_handle_commands(struct zserv
*client
, struct stream
*msg
)
3089 struct zebra_vrf
*zvrf
;
3091 zapi_parse_header(msg
, &hdr
);
3093 #if defined(HANDLE_ZAPI_FUZZING)
3094 zserv_write_incoming(msg
, hdr
.command
);
3097 hdr
.length
-= ZEBRA_HEADER_SIZE
;
3100 zvrf
= zebra_vrf_lookup_by_id(hdr
.vrf_id
);
3102 if (IS_ZEBRA_DEBUG_PACKET
&& IS_ZEBRA_DEBUG_RECV
)
3103 zlog_warn("ZAPI message specifies unknown VRF: %d",
3108 if (hdr
.command
>= array_size(zserv_handlers
)
3109 || zserv_handlers
[hdr
.command
] == NULL
)
3110 zlog_info("Zebra received unknown command %d", hdr
.command
);
3112 zserv_handlers
[hdr
.command
](client
, &hdr
, msg
, zvrf
);