2 * Copyright (c) 2011 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
24 /* LACP Protocol Implementation. */
27 LACP_NEGOTIATED
, /* Successful LACP negotations. */
28 LACP_CONFIGURED
, /* LACP is enabled but not negotiated. */
29 LACP_DISABLED
/* LACP is not enabled. */
32 struct lacp_settings
{
33 char *name
; /* Name (for debugging). */
34 struct eth_addr id
; /* System ID. Must be nonzero. */
35 uint16_t priority
; /* System priority. */
36 bool active
; /* Active or passive mode? */
37 bool fast
; /* Fast or slow probe interval. */
38 bool fallback_ab_cfg
; /* Fallback to BM_SLB on LACP failure. */
42 struct lacp
*lacp_create(void);
43 void lacp_unref(struct lacp
*);
44 struct lacp
*lacp_ref(const struct lacp
*);
46 void lacp_configure(struct lacp
*, const struct lacp_settings
*);
47 bool lacp_is_active(const struct lacp
*);
49 void lacp_process_packet(struct lacp
*, const void *slave
,
50 const struct dp_packet
*packet
);
51 enum lacp_status
lacp_status(const struct lacp
*);
53 struct lacp_slave_settings
{
54 char *name
; /* Name (for debugging). */
55 uint16_t id
; /* Port ID. */
56 uint16_t priority
; /* Port priority. */
57 uint16_t key
; /* Aggregation key. */
60 void lacp_slave_register(struct lacp
*, void *slave_
,
61 const struct lacp_slave_settings
*);
62 void lacp_slave_unregister(struct lacp
*, const void *slave
);
63 void lacp_slave_carrier_changed(const struct lacp
*, const void *slave
);
64 bool lacp_slave_may_enable(const struct lacp
*, const void *slave
);
65 bool lacp_slave_is_current(const struct lacp
*, const void *slave_
);
67 /* Callback function for lacp_run() for sending a LACP PDU. */
68 typedef void lacp_send_pdu(void *slave
, const void *pdu
, size_t pdu_size
);
70 void lacp_run(struct lacp
*, lacp_send_pdu
*);
71 void lacp_wait(struct lacp
*);
73 struct lacp_slave_stats
{
75 struct eth_addr dot3adAggPortActorSystemID
;
76 struct eth_addr dot3adAggPortPartnerOperSystemID
;
77 uint32_t dot3adAggPortAttachedAggID
;
79 uint8_t dot3adAggPortActorAdminState
;
80 uint8_t dot3adAggPortActorOperState
;
81 uint8_t dot3adAggPortPartnerAdminState
;
82 uint8_t dot3adAggPortPartnerOperState
;
84 uint32_t dot3adAggPortStatsLACPDUsRx
;
85 /* uint32_t dot3adAggPortStatsMarkerPDUsRx; */
86 /* uint32_t dot3adAggPortStatsMarkerResponsePDUsRx; */
87 /* uint32_t dot3adAggPortStatsUnknownRx; */
88 uint32_t dot3adAggPortStatsIllegalRx
;
89 uint32_t dot3adAggPortStatsLACPDUsTx
;
90 /* uint32_t dot3adAggPortStatsMarkerPDUsTx; */
91 /* uint32_t dot3adAggPortStatsMarkerResponsePDUsTx; */
94 bool lacp_get_slave_stats(const struct lacp
*, const void *slave_
, struct lacp_slave_stats
*);