X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fbond.h;h=7190935242abba51fc59fab611dbdc381ec956c5;hb=f80022d9df98d29ee41176a4bc6cb91025da84b8;hp=cb6563af15ce3cb4ee399067475d3e0a53972d6e;hpb=5827ce14d087a18ede839c39ce3438e0b0e6f717;p=sliver-openvswitch.git diff --git a/lib/bond.h b/lib/bond.h index cb6563af1..719093524 100644 --- a/lib/bond.h +++ b/lib/bond.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 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. @@ -26,45 +26,34 @@ struct flow; struct netdev; struct ofpbuf; +enum lacp_status; /* How flows are balanced among bond slaves. */ enum bond_mode { BM_TCP, /* Transport Layer Load Balance. */ BM_SLB, /* Source Load Balance. */ - BM_STABLE, /* Stable. */ BM_AB /* Active Backup. */ }; bool bond_mode_from_string(enum bond_mode *, const char *); const char *bond_mode_to_string(enum bond_mode); -/* How to detect link status. */ -enum bond_detect_mode { - BLSM_CARRIER, /* Use carrier. */ - BLSM_MIIMON /* Poll MII status. */ -}; - -bool bond_detect_mode_from_string(enum bond_detect_mode *, const char *); -const char *bond_detect_mode_to_string(enum bond_detect_mode); - /* Configuration for a bond as a whole. */ struct bond_settings { char *name; /* Bond's name, for log messages. */ + uint32_t basis; /* Flow hashing basis. */ /* Balancing configuration. */ enum bond_mode balance; - int rebalance_interval; /* Milliseconds between rebalances. */ + int rebalance_interval; /* Milliseconds between rebalances. + Zero to disable rebalancing. */ /* Link status detection. */ - enum bond_detect_mode detect; /* BLSM_CARRIER or BLSM_MIIMON. */ - int miimon_interval; /* Used only for BLSM_MIIMON. */ int up_delay; /* ms before enabling an up slave. */ int down_delay; /* ms before disabling a down slave. */ /* Legacy compatibility. */ bool fake_iface; /* Update fake stats for netdev 'name'? */ - - const struct lacp *lacp; /* LACP for this bond. May be NULL. */ }; /* Program startup. */ @@ -72,20 +61,24 @@ void bond_init(void); /* Basics. */ struct bond *bond_create(const struct bond_settings *); -void bond_destroy(struct bond *); +void bond_unref(struct bond *); +struct bond *bond_ref(const struct bond *); bool bond_reconfigure(struct bond *, const struct bond_settings *); void bond_slave_register(struct bond *, void *slave_, struct netdev *); +void bond_slave_set_netdev(struct bond *, void *slave_, struct netdev *); void bond_slave_unregister(struct bond *, const void *slave); -void bond_run(struct bond *, struct tag_set *); +void bond_run(struct bond *, struct tag_set *, enum lacp_status); void bond_wait(struct bond *); +void bond_slave_set_may_enable(struct bond *, void *slave_, bool may_enable); + /* Special MAC learning support for SLB bonding. */ bool bond_should_send_learning_packets(struct bond *); -int bond_send_learning_packet(struct bond *, - const uint8_t eth_src[ETH_ADDR_LEN], - uint16_t vlan); +struct ofpbuf *bond_compose_learning_packet(struct bond *, + const uint8_t eth_src[ETH_ADDR_LEN], + uint16_t vlan, void **port_aux); /* Packet processing. */ enum bond_verdict { @@ -96,8 +89,9 @@ enum bond_verdict { enum bond_verdict bond_check_admissibility(struct bond *, const void *slave_, const uint8_t eth_dst[ETH_ADDR_LEN], tag_type *); -void *bond_choose_output_slave(struct bond *, - const struct flow *, uint16_t vlan, tag_type *); +void *bond_choose_output_slave(struct bond *, const struct flow *, + struct flow_wildcards *, uint16_t vlan, + tag_type *); /* Rebalancing. */ void bond_account(struct bond *, const struct flow *, uint16_t vlan,