1 /* Copyright (c) 2015 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
21 #include "ofp-actions.h"
23 #include "ovn-controller.h"
24 #include "ovn/lib/ovn-sb-idl.h"
25 #include "openvswitch/vlog.h"
30 #include "vswitch-idl.h"
32 VLOG_DEFINE_THIS_MODULE(physical
);
35 physical_register_ovs_idl(struct ovsdb_idl
*ovs_idl
)
37 ovsdb_idl_add_table(ovs_idl
, &ovsrec_table_bridge
);
38 ovsdb_idl_add_column(ovs_idl
, &ovsrec_bridge_col_ports
);
40 ovsdb_idl_add_table(ovs_idl
, &ovsrec_table_port
);
41 ovsdb_idl_add_column(ovs_idl
, &ovsrec_port_col_name
);
42 ovsdb_idl_add_column(ovs_idl
, &ovsrec_port_col_interfaces
);
43 ovsdb_idl_add_column(ovs_idl
, &ovsrec_port_col_external_ids
);
45 ovsdb_idl_add_table(ovs_idl
, &ovsrec_table_interface
);
46 ovsdb_idl_add_column(ovs_idl
, &ovsrec_interface_col_name
);
47 ovsdb_idl_add_column(ovs_idl
, &ovsrec_interface_col_ofport
);
48 ovsdb_idl_add_column(ovs_idl
, &ovsrec_interface_col_external_ids
);
51 /* Maps from a chassis to the OpenFlow port number of the tunnel that can be
52 * used to reach that chassis. */
53 struct chassis_tunnel
{
54 struct hmap_node hmap_node
;
55 const char *chassis_id
;
57 enum chassis_tunnel_type type
;
60 static struct chassis_tunnel
*
61 chassis_tunnel_find(struct hmap
*tunnels
, const char *chassis_id
)
63 struct chassis_tunnel
*tun
;
64 HMAP_FOR_EACH_WITH_HASH (tun
, hmap_node
, hash_string(chassis_id
, 0),
66 if (!strcmp(tun
->chassis_id
, chassis_id
)) {
74 put_load(uint64_t value
, enum mf_field_id dst
, int ofs
, int n_bits
,
75 struct ofpbuf
*ofpacts
)
77 struct ofpact_set_field
*sf
= ofpact_put_SET_FIELD(ofpacts
);
78 sf
->field
= mf_from_id(dst
);
79 sf
->flow_has_vlan
= false;
81 ovs_be64 n_value
= htonll(value
);
82 bitwise_copy(&n_value
, 8, 0, &sf
->value
, sf
->field
->n_bytes
, ofs
, n_bits
);
83 bitwise_one(&sf
->mask
, sf
->field
->n_bytes
, ofs
, n_bits
);
87 put_move(enum mf_field_id src
, int src_ofs
,
88 enum mf_field_id dst
, int dst_ofs
,
90 struct ofpbuf
*ofpacts
)
92 struct ofpact_reg_move
*move
= ofpact_put_REG_MOVE(ofpacts
);
93 move
->src
.field
= mf_from_id(src
);
94 move
->src
.ofs
= src_ofs
;
95 move
->src
.n_bits
= n_bits
;
96 move
->dst
.field
= mf_from_id(dst
);
97 move
->dst
.ofs
= dst_ofs
;
98 move
->dst
.n_bits
= n_bits
;
102 put_resubmit(uint8_t table_id
, struct ofpbuf
*ofpacts
)
104 struct ofpact_resubmit
*resubmit
= ofpact_put_RESUBMIT(ofpacts
);
105 resubmit
->in_port
= OFPP_IN_PORT
;
106 resubmit
->table_id
= table_id
;
110 put_encapsulation(enum mf_field_id mff_ovn_geneve
,
111 const struct chassis_tunnel
*tun
,
112 const struct sbrec_datapath_binding
*datapath
,
113 uint16_t outport
, struct ofpbuf
*ofpacts
)
115 if (tun
->type
== GENEVE
) {
116 put_load(datapath
->tunnel_key
, MFF_TUN_ID
, 0, 24, ofpacts
);
117 put_load(outport
, mff_ovn_geneve
, 0, 32, ofpacts
);
118 put_move(MFF_LOG_INPORT
, 0, mff_ovn_geneve
, 16, 15, ofpacts
);
119 } else if (tun
->type
== STT
) {
120 put_load(datapath
->tunnel_key
| (outport
<< 24), MFF_TUN_ID
, 0, 64,
122 put_move(MFF_LOG_INPORT
, 0, MFF_TUN_ID
, 40, 15, ofpacts
);
123 } else if (tun
->type
== VXLAN
) {
124 put_load(datapath
->tunnel_key
, MFF_TUN_ID
, 0, 24, ofpacts
);
131 put_stack(enum mf_field_id field
, struct ofpact_stack
*stack
)
133 stack
->subfield
.field
= mf_from_id(field
);
134 stack
->subfield
.ofs
= 0;
135 stack
->subfield
.n_bits
= stack
->subfield
.field
->n_bits
;
139 physical_run(struct controller_ctx
*ctx
, enum mf_field_id mff_ovn_geneve
,
140 const struct ovsrec_bridge
*br_int
, const char *this_chassis_id
,
141 const struct simap
*ct_zones
, struct hmap
*flow_table
)
143 struct simap localvif_to_ofport
= SIMAP_INITIALIZER(&localvif_to_ofport
);
144 struct hmap tunnels
= HMAP_INITIALIZER(&tunnels
);
145 struct simap localnet_to_ofport
= SIMAP_INITIALIZER(&localnet_to_ofport
);
147 for (int i
= 0; i
< br_int
->n_ports
; i
++) {
148 const struct ovsrec_port
*port_rec
= br_int
->ports
[i
];
149 if (!strcmp(port_rec
->name
, br_int
->name
)) {
153 const char *chassis_id
= smap_get(&port_rec
->external_ids
,
155 if (chassis_id
&& !strcmp(chassis_id
, this_chassis_id
)) {
159 const char *localnet
= smap_get(&port_rec
->external_ids
,
160 "ovn-localnet-port");
162 for (int j
= 0; j
< port_rec
->n_interfaces
; j
++) {
163 const struct ovsrec_interface
*iface_rec
= port_rec
->interfaces
[j
];
165 /* Get OpenFlow port number. */
166 if (!iface_rec
->n_ofport
) {
169 int64_t ofport
= iface_rec
->ofport
[0];
170 if (ofport
< 1 || ofport
> ofp_to_u16(OFPP_MAX
)) {
174 /* Record as patch to local net, chassis, or local logical port. */
175 if (!strcmp(iface_rec
->type
, "patch") && localnet
) {
176 simap_put(&localnet_to_ofport
, localnet
, ofport
);
178 } else if (chassis_id
) {
179 enum chassis_tunnel_type tunnel_type
;
180 if (!strcmp(iface_rec
->type
, "geneve")) {
181 tunnel_type
= GENEVE
;
182 if (!mff_ovn_geneve
) {
185 } else if (!strcmp(iface_rec
->type
, "stt")) {
187 } else if (!strcmp(iface_rec
->type
, "vxlan")) {
193 struct chassis_tunnel
*tun
= xmalloc(sizeof *tun
);
194 hmap_insert(&tunnels
, &tun
->hmap_node
,
195 hash_string(chassis_id
, 0));
196 tun
->chassis_id
= chassis_id
;
197 tun
->ofport
= u16_to_ofp(ofport
);
198 tun
->type
= tunnel_type
;
201 const char *iface_id
= smap_get(&iface_rec
->external_ids
,
204 simap_put(&localvif_to_ofport
, iface_id
, ofport
);
210 struct ofpbuf ofpacts
;
211 ofpbuf_init(&ofpacts
, 0);
213 struct binding_elem
{
214 struct ovs_list list_elem
;
215 const struct sbrec_port_binding
*binding
;
217 /* The bindings for a given VLAN on a localnet port. */
218 struct localnet_vlan
{
219 struct hmap_node node
;
221 struct ovs_list bindings
;
223 /* A hash of localnet_vlans, hashed on VLAN ID, for a localnet port */
224 struct localnet_bindings
{
228 /* Maps from network name to "struct localnet_bindings". */
229 struct shash localnet_inputs
= SHASH_INITIALIZER(&localnet_inputs
);
231 /* Contains bare "struct hmap_node"s whose hash values are the tunnel_key
232 * of datapaths with at least one local port binding. */
233 struct hmap local_datapaths
= HMAP_INITIALIZER(&local_datapaths
);
235 /* Set up flows in table 0 for physical-to-logical translation and in table
236 * 64 for logical-to-physical translation. */
237 const struct sbrec_port_binding
*binding
;
238 SBREC_PORT_BINDING_FOR_EACH (binding
, ctx
->ovnsb_idl
) {
239 /* Find the OpenFlow port for the logical port, as 'ofport'. This is
242 * - If the port is a VIF on the chassis we're managing, the
243 * OpenFlow port for the VIF. 'tun' will be NULL.
245 * In this or the next case, for a container nested inside a VM
246 * and accessible via a VLAN, 'tag' is the VLAN ID; otherwise
249 * - If the port is on a remote chassis, the OpenFlow port for a
250 * tunnel to the VIF's remote chassis. 'tun' identifies that
253 * - If the port is a "localnet" port for a network that is
254 * attached to the chassis we're managing, the OpenFlow port for
255 * the localnet port (a patch port).
257 * The "localnet" port may be configured with a VLAN ID. If so,
258 * 'tag' will be set to that VLAN ID; otherwise 'tag' is 0.
263 if (!strcmp(binding
->type
, "localnet")) {
264 const char *network
= smap_get(&binding
->options
, "network_name");
268 ofport
= u16_to_ofp(simap_get(&localnet_to_ofport
, network
));
269 if (ofport
&& binding
->tag
) {
272 } else if (binding
->parent_port
) {
276 ofport
= u16_to_ofp(simap_get(&localvif_to_ofport
,
277 binding
->parent_port
));
282 ofport
= u16_to_ofp(simap_get(&localvif_to_ofport
,
283 binding
->logical_port
));
286 const struct chassis_tunnel
*tun
= NULL
;
288 if (!binding
->chassis
) {
291 tun
= chassis_tunnel_find(&tunnels
, binding
->chassis
->name
);
295 ofport
= tun
->ofport
;
300 int zone_id
= simap_get(ct_zones
, binding
->logical_port
);
301 /* Packets that arrive from a vif can belong to a VM or
302 * to a container located inside that VM. Packets that
303 * arrive from containers have a tag (vlan) associated with them.
306 /* Table 0, Priority 150 and 100.
307 * ==============================
309 * Priority 150 is for tagged traffic. This may be containers in a
310 * VM or a VLAN on a local network. For such traffic, match on the
311 * tags and then strip the tag.
313 * Priority 100 is for traffic belonging to VMs or untagged locally
314 * connected networks.
316 * For both types of traffic: set MFF_LOG_INPORT to the logical
317 * input port, MFF_LOG_DATAPATH to the logical datapath, and
318 * resubmit into the logical ingress pipeline starting at table
320 if (!strcmp(binding
->type
, "localnet")) {
321 /* The same OpenFlow port may correspond to localnet ports
322 * attached to more than one logical datapath, so keep track of
323 * all associated bindings and add a flow at the end. */
326 = smap_get(&binding
->options
, "network_name");
327 struct localnet_bindings
*ln_bindings
;
328 struct hmap_node
*node
;
329 struct localnet_vlan
*ln_vlan
;
331 ln_bindings
= shash_find_data(&localnet_inputs
, network
);
333 ln_bindings
= xmalloc(sizeof *ln_bindings
);
334 ln_bindings
->ofport
= ofport
;
335 hmap_init(&ln_bindings
->vlans
);
336 shash_add(&localnet_inputs
, network
, ln_bindings
);
338 node
= hmap_first_with_hash(&ln_bindings
->vlans
, tag
);
340 ASSIGN_CONTAINER(ln_vlan
, node
, node
);
342 ln_vlan
= xmalloc(sizeof *ln_vlan
);
344 list_init(&ln_vlan
->bindings
);
345 hmap_insert(&ln_bindings
->vlans
, &ln_vlan
->node
, tag
);
348 struct binding_elem
*b
= xmalloc(sizeof *b
);
349 b
->binding
= binding
;
350 list_insert(&ln_vlan
->bindings
, &b
->list_elem
);
352 struct hmap_node
*ld
;
353 ld
= hmap_first_with_hash(&local_datapaths
,
354 binding
->datapath
->tunnel_key
);
356 ld
= xmalloc(sizeof *ld
);
357 hmap_insert(&local_datapaths
, ld
,
358 binding
->datapath
->tunnel_key
);
361 ofpbuf_clear(&ofpacts
);
362 match_init_catchall(&match
);
363 match_set_in_port(&match
, ofport
);
365 match_set_dl_vlan(&match
, htons(tag
));
369 put_load(zone_id
, MFF_LOG_CT_ZONE
, 0, 32, &ofpacts
);
372 /* Set MFF_LOG_DATAPATH and MFF_LOG_INPORT. */
373 put_load(binding
->datapath
->tunnel_key
, MFF_LOG_DATAPATH
, 0, 64,
375 put_load(binding
->tunnel_key
, MFF_LOG_INPORT
, 0, 32,
380 ofpact_put_STRIP_VLAN(&ofpacts
);
383 /* Resubmit to first logical ingress pipeline table. */
384 put_resubmit(OFTABLE_LOG_INGRESS_PIPELINE
, &ofpacts
);
385 ofctrl_add_flow(flow_table
, OFTABLE_PHY_TO_LOG
,
386 tag
? 150 : 100, &match
, &ofpacts
);
389 /* Table 33, priority 100.
390 * =======================
392 * Implements output to local hypervisor. Each flow matches a
393 * logical output port on the local hypervisor, and resubmits to
397 match_init_catchall(&match
);
398 ofpbuf_clear(&ofpacts
);
400 /* Match MFF_LOG_DATAPATH, MFF_LOG_OUTPORT. */
401 match_set_metadata(&match
, htonll(binding
->datapath
->tunnel_key
));
402 match_set_reg(&match
, MFF_LOG_OUTPORT
- MFF_REG0
,
403 binding
->tunnel_key
);
406 put_load(zone_id
, MFF_LOG_CT_ZONE
, 0, 32, &ofpacts
);
409 /* Resubmit to table 34. */
410 put_resubmit(OFTABLE_DROP_LOOPBACK
, &ofpacts
);
411 ofctrl_add_flow(flow_table
, OFTABLE_LOCAL_OUTPUT
, 100, &match
,
414 /* Table 64, Priority 100.
415 * =======================
417 * Deliver the packet to the local vif. */
418 match_init_catchall(&match
);
419 ofpbuf_clear(&ofpacts
);
420 match_set_metadata(&match
, htonll(binding
->datapath
->tunnel_key
));
421 match_set_reg(&match
, MFF_LOG_OUTPORT
- MFF_REG0
,
422 binding
->tunnel_key
);
424 /* For containers sitting behind a local vif, tag the packets
425 * before delivering them. */
426 struct ofpact_vlan_vid
*vlan_vid
;
427 vlan_vid
= ofpact_put_SET_VLAN_VID(&ofpacts
);
428 vlan_vid
->vlan_vid
= tag
;
429 vlan_vid
->push_vlan_if_needed
= true;
431 /* A packet might need to hair-pin back into its ingress
432 * OpenFlow port (to a different logical port, which we already
433 * checked back in table 34), so set the in_port to zero. */
434 put_stack(MFF_IN_PORT
, ofpact_put_STACK_PUSH(&ofpacts
));
435 put_load(0, MFF_IN_PORT
, 0, 16, &ofpacts
);
437 ofpact_put_OUTPUT(&ofpacts
)->port
= ofport
;
439 /* Revert the tag added to the packets headed to containers
440 * in the previous step. If we don't do this, the packets
441 * that are to be broadcasted to a VM in the same logical
442 * switch will also contain the tag. Also revert the zero'd
444 ofpact_put_STRIP_VLAN(&ofpacts
);
445 put_stack(MFF_IN_PORT
, ofpact_put_STACK_POP(&ofpacts
));
447 ofctrl_add_flow(flow_table
, OFTABLE_LOG_TO_PHY
, 100,
450 /* Table 32, priority 100.
451 * =======================
453 * Implements output to remote hypervisors. Each flow matches an
454 * output port that includes a logical port on a remote hypervisor,
455 * and tunnels the packet to that hypervisor.
458 match_init_catchall(&match
);
459 ofpbuf_clear(&ofpacts
);
461 /* Match MFF_LOG_DATAPATH, MFF_LOG_OUTPORT. */
462 match_set_metadata(&match
, htonll(binding
->datapath
->tunnel_key
));
463 match_set_reg(&match
, MFF_LOG_OUTPORT
- MFF_REG0
,
464 binding
->tunnel_key
);
466 put_encapsulation(mff_ovn_geneve
, tun
, binding
->datapath
,
467 binding
->tunnel_key
, &ofpacts
);
469 /* Output to tunnel. */
470 ofpact_put_OUTPUT(&ofpacts
)->port
= ofport
;
471 ofctrl_add_flow(flow_table
, OFTABLE_REMOTE_OUTPUT
, 100,
475 /* Table 34, Priority 100.
476 * =======================
478 * Drop packets whose logical inport and outport are the same. */
479 match_init_catchall(&match
);
480 ofpbuf_clear(&ofpacts
);
481 match_set_metadata(&match
, htonll(binding
->datapath
->tunnel_key
));
482 match_set_reg(&match
, MFF_LOG_INPORT
- MFF_REG0
, binding
->tunnel_key
);
483 match_set_reg(&match
, MFF_LOG_OUTPORT
- MFF_REG0
, binding
->tunnel_key
);
484 ofctrl_add_flow(flow_table
, OFTABLE_DROP_LOOPBACK
, 100,
488 /* Handle output to multicast groups, in tables 32 and 33. */
489 const struct sbrec_multicast_group
*mc
;
490 SBREC_MULTICAST_GROUP_FOR_EACH (mc
, ctx
->ovnsb_idl
) {
491 struct sset remote_chassis
= SSET_INITIALIZER(&remote_chassis
);
494 match_init_catchall(&match
);
495 match_set_metadata(&match
, htonll(mc
->datapath
->tunnel_key
));
496 match_set_reg(&match
, MFF_LOG_OUTPORT
- MFF_REG0
, mc
->tunnel_key
);
498 /* Go through all of the ports in the multicast group:
500 * - For local ports, add actions to 'ofpacts' to set the output
503 * - For remote ports, add the chassis to 'remote_chassis'. */
504 ofpbuf_clear(&ofpacts
);
505 for (size_t i
= 0; i
< mc
->n_ports
; i
++) {
506 struct sbrec_port_binding
*port
= mc
->ports
[i
];
508 if (port
->datapath
!= mc
->datapath
) {
509 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(5, 1);
510 VLOG_WARN_RL(&rl
, UUID_FMT
": multicast group contains ports "
512 UUID_ARGS(&mc
->header_
.uuid
));
516 int zone_id
= simap_get(ct_zones
, port
->logical_port
);
518 put_load(zone_id
, MFF_LOG_CT_ZONE
, 0, 32, &ofpacts
);
521 if (simap_contains(&localvif_to_ofport
,
523 ? port
->parent_port
: port
->logical_port
)) {
524 put_load(port
->tunnel_key
, MFF_LOG_OUTPORT
, 0, 32, &ofpacts
);
525 put_resubmit(OFTABLE_DROP_LOOPBACK
, &ofpacts
);
526 } else if (port
->chassis
) {
527 sset_add(&remote_chassis
, port
->chassis
->name
);
528 } else if (!strcmp(port
->type
, "localnet")) {
529 const char *network
= smap_get(&port
->options
, "network_name");
533 if (!simap_contains(&localnet_to_ofport
, network
)) {
536 put_load(port
->tunnel_key
, MFF_LOG_OUTPORT
, 0, 32, &ofpacts
);
537 put_resubmit(OFTABLE_DROP_LOOPBACK
, &ofpacts
);
541 /* Table 33, priority 100.
542 * =======================
544 * Handle output to the local logical ports in the multicast group, if
546 bool local_ports
= ofpacts
.size
> 0;
548 /* Following delivery to local logical ports, restore the multicast
549 * group as the logical output port. */
550 put_load(mc
->tunnel_key
, MFF_LOG_OUTPORT
, 0, 32, &ofpacts
);
552 ofctrl_add_flow(flow_table
, OFTABLE_LOCAL_OUTPUT
, 100,
556 /* Table 32, priority 100.
557 * =======================
559 * Handle output to the remote chassis in the multicast group, if
561 if (!sset_is_empty(&remote_chassis
)) {
562 ofpbuf_clear(&ofpacts
);
565 const struct chassis_tunnel
*prev
= NULL
;
566 SSET_FOR_EACH (chassis
, &remote_chassis
) {
567 const struct chassis_tunnel
*tun
568 = chassis_tunnel_find(&tunnels
, chassis
);
573 if (!prev
|| tun
->type
!= prev
->type
) {
574 put_encapsulation(mff_ovn_geneve
, tun
,
575 mc
->datapath
, mc
->tunnel_key
, &ofpacts
);
578 ofpact_put_OUTPUT(&ofpacts
)->port
= tun
->ofport
;
583 put_resubmit(OFTABLE_LOCAL_OUTPUT
, &ofpacts
);
585 ofctrl_add_flow(flow_table
, OFTABLE_REMOTE_OUTPUT
, 100,
589 sset_destroy(&remote_chassis
);
592 /* Table 0, priority 100.
593 * ======================
595 * Process packets that arrive from a remote hypervisor (by matching
596 * on tunnel in_port). */
598 /* Add flows for Geneve and STT encapsulations. These
599 * encapsulations have metadata about the ingress and egress logical
600 * ports. We set MFF_LOG_DATAPATH, MFF_LOG_INPORT, and
601 * MFF_LOG_OUTPORT from the tunnel key data, then resubmit to table
602 * 33 to handle packets to the local hypervisor. */
603 struct chassis_tunnel
*tun
;
604 HMAP_FOR_EACH (tun
, hmap_node
, &tunnels
) {
605 struct match match
= MATCH_CATCHALL_INITIALIZER
;
606 match_set_in_port(&match
, tun
->ofport
);
608 ofpbuf_clear(&ofpacts
);
609 if (tun
->type
== GENEVE
) {
610 put_move(MFF_TUN_ID
, 0, MFF_LOG_DATAPATH
, 0, 24, &ofpacts
);
611 put_move(mff_ovn_geneve
, 16, MFF_LOG_INPORT
, 0, 15,
613 put_move(mff_ovn_geneve
, 0, MFF_LOG_OUTPORT
, 0, 16,
615 } else if (tun
->type
== STT
) {
616 put_move(MFF_TUN_ID
, 40, MFF_LOG_INPORT
, 0, 15, &ofpacts
);
617 put_move(MFF_TUN_ID
, 24, MFF_LOG_OUTPORT
, 0, 16, &ofpacts
);
618 put_move(MFF_TUN_ID
, 0, MFF_LOG_DATAPATH
, 0, 24, &ofpacts
);
619 } else if (tun
->type
== VXLAN
) {
620 /* We'll handle VXLAN later. */
626 put_resubmit(OFTABLE_LOCAL_OUTPUT
, &ofpacts
);
628 ofctrl_add_flow(flow_table
, OFTABLE_PHY_TO_LOG
, 100, &match
, &ofpacts
);
631 /* Add flows for VXLAN encapsulations. Due to the limited amount of
632 * metadata, we only support VXLAN for connections to gateways. The
633 * VNI is used to populate MFF_LOG_DATAPATH. The gateway's logical
634 * port is set to MFF_LOG_INPORT. Then the packet is resubmitted to
635 * table 16 to determine the logical egress port.
637 * xxx Due to resubmitting to table 16, broadcasts will be re-sent to
638 * xxx all logical ports, including non-local ones which could cause
639 * xxx duplicate packets to be received by multiply-connected gateways. */
640 HMAP_FOR_EACH (tun
, hmap_node
, &tunnels
) {
641 if (tun
->type
!= VXLAN
) {
645 SBREC_PORT_BINDING_FOR_EACH (binding
, ctx
->ovnsb_idl
) {
646 struct match match
= MATCH_CATCHALL_INITIALIZER
;
648 if (!binding
->chassis
||
649 strcmp(tun
->chassis_id
, binding
->chassis
->name
)) {
653 match_set_in_port(&match
, tun
->ofport
);
654 match_set_tun_id(&match
, htonll(binding
->datapath
->tunnel_key
));
656 ofpbuf_clear(&ofpacts
);
657 put_move(MFF_TUN_ID
, 0, MFF_LOG_DATAPATH
, 0, 24, &ofpacts
);
658 put_load(binding
->tunnel_key
, MFF_LOG_INPORT
, 0, 15, &ofpacts
);
659 put_resubmit(OFTABLE_LOG_INGRESS_PIPELINE
, &ofpacts
);
661 ofctrl_add_flow(flow_table
, OFTABLE_PHY_TO_LOG
, 100, &match
,
666 /* Table 32, Priority 0.
667 * =======================
669 * Resubmit packets that are not directed at tunnels or part of a
670 * multicast group to the local output table. */
672 match_init_catchall(&match
);
673 ofpbuf_clear(&ofpacts
);
674 put_resubmit(OFTABLE_LOCAL_OUTPUT
, &ofpacts
);
675 ofctrl_add_flow(flow_table
, OFTABLE_REMOTE_OUTPUT
, 0, &match
, &ofpacts
);
677 /* Table 34, Priority 0.
678 * =======================
680 * Resubmit packets that don't output to the ingress port (already checked
681 * in table 33) to the logical egress pipeline, clearing the logical
682 * registers (for consistent behavior with packets that get tunneled). */
683 match_init_catchall(&match
);
684 ofpbuf_clear(&ofpacts
);
685 #define MFF_LOG_REG(ID) put_load(0, ID, 0, 32, &ofpacts);
688 put_resubmit(OFTABLE_LOG_EGRESS_PIPELINE
, &ofpacts
);
689 ofctrl_add_flow(flow_table
, OFTABLE_DROP_LOOPBACK
, 0, &match
, &ofpacts
);
691 ofpbuf_uninit(&ofpacts
);
692 simap_destroy(&localvif_to_ofport
);
693 struct chassis_tunnel
*tun_next
;
694 HMAP_FOR_EACH_SAFE (tun
, tun_next
, hmap_node
, &tunnels
) {
695 hmap_remove(&tunnels
, &tun
->hmap_node
);
698 hmap_destroy(&tunnels
);
700 /* Table 0, Priority 150 and 100.
701 * ==============================
703 * We have now determined the full set of port bindings associated with
704 * each "localnet" network. Only create flows for datapaths that have
705 * another local binding. Otherwise, we know it would just be dropped.
707 * Use priority 150 for inputs that match both the network and a VLAN tag.
708 * Use priority 100 for matching untagged traffic from the local network.
710 struct shash_node
*ln_bindings_node
, *ln_bindings_node_next
;
711 SHASH_FOR_EACH_SAFE (ln_bindings_node
, ln_bindings_node_next
,
713 struct localnet_bindings
*ln_bindings
= ln_bindings_node
->data
;
714 struct localnet_vlan
*ln_vlan
, *ln_vlan_next
;
715 HMAP_FOR_EACH_SAFE (ln_vlan
, ln_vlan_next
, node
, &ln_bindings
->vlans
) {
717 match_init_catchall(&match
);
718 match_set_in_port(&match
, ln_bindings
->ofport
);
720 match_set_dl_vlan(&match
, htons(ln_vlan
->tag
));
723 struct ofpbuf ofpacts
;
724 ofpbuf_init(&ofpacts
, 0);
727 ofpact_put_STRIP_VLAN(&ofpacts
);
729 uint32_t ofpacts_orig_size
= ofpacts
.size
;
731 struct binding_elem
*b
;
732 LIST_FOR_EACH_POP (b
, list_elem
, &ln_vlan
->bindings
) {
733 struct hmap_node
*ld
;
734 ld
= hmap_first_with_hash(&local_datapaths
,
735 b
->binding
->datapath
->tunnel_key
);
737 /* Set MFF_LOG_DATAPATH and MFF_LOG_INPORT. */
738 put_load(b
->binding
->datapath
->tunnel_key
, MFF_LOG_DATAPATH
,
740 put_load(b
->binding
->tunnel_key
, MFF_LOG_INPORT
, 0, 32,
742 put_resubmit(OFTABLE_LOG_INGRESS_PIPELINE
, &ofpacts
);
748 if (ofpacts
.size
> ofpacts_orig_size
) {
749 ofctrl_add_flow(flow_table
, 0, ln_vlan
->tag
? 150 : 100,
753 ofpbuf_uninit(&ofpacts
);
755 hmap_remove(&ln_bindings
->vlans
, &ln_vlan
->node
);
758 shash_delete(&localnet_inputs
, ln_bindings_node
);
759 hmap_destroy(&ln_bindings
->vlans
);
762 shash_destroy(&localnet_inputs
);
764 struct hmap_node
*node
;
765 while ((node
= hmap_first(&local_datapaths
))) {
766 hmap_remove(&local_datapaths
, node
);
769 hmap_destroy(&local_datapaths
);
771 simap_destroy(&localnet_to_ofport
);