/*
- * Copyright (c) 2011 Nicira Networks.
+ * Copyright (c) 2011 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <stdint.h>
#include "packets.h"
-/* Masks for lacp_info state member. */
-#define LACP_STATE_ACT 0x01 /* Activity. Active or passive? */
-#define LACP_STATE_TIME 0x02 /* Timeout. Short or long timeout? */
-#define LACP_STATE_AGG 0x04 /* Aggregation. Is the link is bondable? */
-#define LACP_STATE_SYNC 0x08 /* Synchronization. Is the link in up to date? */
-#define LACP_STATE_COL 0x10 /* Collecting. Is the link receiving frames? */
-#define LACP_STATE_DIST 0x20 /* Distributing. Is the link sending frames? */
-#define LACP_STATE_DEF 0x40 /* Defaulted. Using default partner info? */
-#define LACP_STATE_EXP 0x80 /* Expired. Using expired partner info? */
-
-#define LACP_FAST_TIME_TX 1000 /* Fast transmission rate. */
-#define LACP_SLOW_TIME_TX 30000 /* Slow transmission rate. */
-#define LACP_RX_MULTIPLIER 3 /* Multiply by TX rate to get RX rate. */
-
-#define LACP_INFO_LEN 15
-struct lacp_info {
- ovs_be16 sys_priority; /* System priority. */
- uint8_t sys_id[ETH_ADDR_LEN]; /* System ID. */
- ovs_be16 key; /* Operational key. */
- ovs_be16 port_priority; /* Port priority. */
- ovs_be16 port_id; /* Port ID. */
- uint8_t state; /* State mask. See LACP_STATE macros. */
-} __attribute__((packed));
-BUILD_ASSERT_DECL(LACP_INFO_LEN == sizeof(struct lacp_info));
-
-#define LACP_PDU_LEN 110
-struct lacp_pdu {
- uint8_t subtype; /* Always 1. */
- uint8_t version; /* Always 1. */
-
- uint8_t actor_type; /* Always 1. */
- uint8_t actor_len; /* Always 20. */
- struct lacp_info actor; /* LACP actor information. */
- uint8_t z1[3]; /* Reserved. Always 0. */
-
- uint8_t partner_type; /* Always 2. */
- uint8_t partner_len; /* Always 20. */
- struct lacp_info partner; /* LACP partner information. */
- uint8_t z2[3]; /* Reserved. Always 0. */
-
- uint8_t collector_type; /* Always 3. */
- uint8_t collector_len; /* Always 16. */
- ovs_be16 collector_delay; /* Maximum collector delay. Set to UINT16_MAX. */
- uint8_t z3[64]; /* Combination of several fields. Always 0. */
-} __attribute__((packed));
-BUILD_ASSERT_DECL(LACP_PDU_LEN == sizeof(struct lacp_pdu));
-
-void compose_lacp_pdu(const struct lacp_info *actor,
- const struct lacp_info *partner, struct lacp_pdu *);
-
-const struct lacp_pdu *parse_lacp_packet(const struct ofpbuf *);
-\f
/* LACP Protocol Implementation. */
-enum lacp_time {
- LACP_TIME_FAST,
- LACP_TIME_SLOW,
- LACP_TIME_CUSTOM
+enum lacp_status {
+ LACP_NEGOTIATED, /* Successful LACP negotations. */
+ LACP_CONFIGURED, /* LACP is enabled but not negotiated. */
+ LACP_DISABLED /* LACP is not enabled. */
};
struct lacp_settings {
- char *name;
- uint8_t id[ETH_ADDR_LEN];
- uint16_t priority;
- bool active;
- enum lacp_time lacp_time;
- long long int custom_time;
- bool strict;
+ char *name; /* Name (for debugging). */
+ struct eth_addr id; /* System ID. Must be nonzero. */
+ uint16_t priority; /* System priority. */
+ bool active; /* Active or passive mode? */
+ bool fast; /* Fast or slow probe interval. */
+ bool fallback_ab_cfg; /* Fallback to BM_SLB on LACP failure. */
};
void lacp_init(void);
struct lacp *lacp_create(void);
-void lacp_destroy(struct lacp *);
+void lacp_unref(struct lacp *);
+struct lacp *lacp_ref(const struct lacp *);
void lacp_configure(struct lacp *, const struct lacp_settings *);
bool lacp_is_active(const struct lacp *);
-void lacp_process_pdu(struct lacp *, const void *slave,
- const struct lacp_pdu *);
-bool lacp_negotiated(const struct lacp *);
+void lacp_process_packet(struct lacp *, const void *slave,
+ const struct dp_packet *packet);
+enum lacp_status lacp_status(const struct lacp *);
struct lacp_slave_settings {
- char *name;
- uint16_t id;
- uint16_t priority;
+ char *name; /* Name (for debugging). */
+ uint16_t id; /* Port ID. */
+ uint16_t priority; /* Port priority. */
+ uint16_t key; /* Aggregation key. */
};
void lacp_slave_register(struct lacp *, void *slave_,
void lacp_slave_unregister(struct lacp *, const void *slave);
void lacp_slave_carrier_changed(const struct lacp *, const void *slave);
bool lacp_slave_may_enable(const struct lacp *, const void *slave);
-uint16_t lacp_slave_get_port_id(const struct lacp *, const void *slave);
bool lacp_slave_is_current(const struct lacp *, const void *slave_);
/* Callback function for lacp_run() for sending a LACP PDU. */
-typedef void lacp_send_pdu(void *slave, const struct lacp_pdu *);
+typedef void lacp_send_pdu(void *slave, const void *pdu, size_t pdu_size);
void lacp_run(struct lacp *, lacp_send_pdu *);
void lacp_wait(struct lacp *);
+struct lacp_slave_stats {
+ /* id */
+ struct eth_addr dot3adAggPortActorSystemID;
+ struct eth_addr dot3adAggPortPartnerOperSystemID;
+ uint32_t dot3adAggPortAttachedAggID;
+ /* state */
+ uint8_t dot3adAggPortActorAdminState;
+ uint8_t dot3adAggPortActorOperState;
+ uint8_t dot3adAggPortPartnerAdminState;
+ uint8_t dot3adAggPortPartnerOperState;
+ /* counters */
+ uint32_t dot3adAggPortStatsLACPDUsRx;
+ /* uint32_t dot3adAggPortStatsMarkerPDUsRx; */
+ /* uint32_t dot3adAggPortStatsMarkerResponsePDUsRx; */
+ /* uint32_t dot3adAggPortStatsUnknownRx; */
+ uint32_t dot3adAggPortStatsIllegalRx;
+ uint32_t dot3adAggPortStatsLACPDUsTx;
+ /* uint32_t dot3adAggPortStatsMarkerPDUsTx; */
+ /* uint32_t dot3adAggPortStatsMarkerResponsePDUsTx; */
+};
+
+bool lacp_get_slave_stats(const struct lacp *, const void *slave_, struct lacp_slave_stats *);
+
#endif /* lacp.h */
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