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Diffstat (limited to 'drivers/net/bonding/bond_alb.h')
| -rw-r--r-- | drivers/net/bonding/bond_alb.h | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/drivers/net/bonding/bond_alb.h b/drivers/net/bonding/bond_alb.h deleted file mode 100644 index 1ad473b4ade5..000000000000 --- a/drivers/net/bonding/bond_alb.h +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - */ - -#ifndef __BOND_ALB_H__ -#define __BOND_ALB_H__ - -#include <linux/if_ether.h> - -struct bonding; -struct slave; - -#define BOND_ALB_INFO(bond) ((bond)->alb_info) -#define SLAVE_TLB_INFO(slave) ((slave)->tlb_info) - -#define ALB_TIMER_TICKS_PER_SEC 10 /* should be a divisor of HZ */ -#define BOND_TLB_REBALANCE_INTERVAL 10 /* In seconds, periodic re-balancing. - * Used for division - never set - * to zero !!! - */ -#define BOND_ALB_DEFAULT_LP_INTERVAL 1 -#define BOND_ALB_LP_INTERVAL(bond) (bond->params.lp_interval) /* In seconds, periodic send of - * learning packets to the switch - */ - -#define BOND_TLB_REBALANCE_TICKS (BOND_TLB_REBALANCE_INTERVAL \ - * ALB_TIMER_TICKS_PER_SEC) - -#define BOND_ALB_LP_TICKS(bond) (BOND_ALB_LP_INTERVAL(bond) \ - * ALB_TIMER_TICKS_PER_SEC) - -#define TLB_HASH_TABLE_SIZE 256 /* The size of the clients hash table. - * Note that this value MUST NOT be smaller - * because the key hash table is BYTE wide ! - */ - - -#define TLB_NULL_INDEX 0xffffffff - -/* rlb defs */ -#define RLB_HASH_TABLE_SIZE 256 -#define RLB_NULL_INDEX 0xffffffff -#define RLB_UPDATE_DELAY (2*ALB_TIMER_TICKS_PER_SEC) /* 2 seconds */ -#define RLB_ARP_BURST_SIZE 2 -#define RLB_UPDATE_RETRY 3 /* 3-ticks - must be smaller than the rlb - * rebalance interval (5 min). - */ -/* RLB_PROMISC_TIMEOUT = 10 sec equals the time that the current slave is - * promiscuous after failover - */ -#define RLB_PROMISC_TIMEOUT (10*ALB_TIMER_TICKS_PER_SEC) - - -struct tlb_client_info { - struct slave *tx_slave; /* A pointer to slave used for transmiting - * packets to a Client that the Hash function - * gave this entry index. - */ - u32 tx_bytes; /* Each Client accumulates the BytesTx that - * were transmitted to it, and after each - * CallBack the LoadHistory is divided - * by the balance interval - */ - u32 load_history; /* This field contains the amount of Bytes - * that were transmitted to this client by - * the server on the previous balance - * interval in Bps. - */ - u32 next; /* The next Hash table entry index, assigned - * to use the same adapter for transmit. - */ - u32 prev; /* The previous Hash table entry index, - * assigned to use the same - */ -}; - -/* ------------------------------------------------------------------------- - * struct rlb_client_info contains all info related to a specific rx client - * connection. This is the Clients Hash Table entry struct. - * Note that this is not a proper hash table; if a new client's IP address - * hash collides with an existing client entry, the old entry is replaced. - * - * There is a linked list (linked by the used_next and used_prev members) - * linking all the used entries of the hash table. This allows updating - * all the clients without walking over all the unused elements of the table. - * - * There are also linked lists of entries with identical hash(ip_src). These - * allow cleaning up the table from ip_src<->mac_src associations that have - * become outdated and would cause sending out invalid ARP updates to the - * network. These are linked by the (src_next and src_prev members). - * ------------------------------------------------------------------------- - */ -struct rlb_client_info { - __be32 ip_src; /* the server IP address */ - __be32 ip_dst; /* the client IP address */ - u8 mac_src[ETH_ALEN]; /* the server MAC address */ - u8 mac_dst[ETH_ALEN]; /* the client MAC address */ - - /* list of used hash table entries, starting at rx_hashtbl_used_head */ - u32 used_next; - u32 used_prev; - - /* ip_src based hashing */ - u32 src_next; /* next entry with same hash(ip_src) */ - u32 src_prev; /* prev entry with same hash(ip_src) */ - u32 src_first; /* first entry with hash(ip_src) == this entry's index */ - - u8 assigned; /* checking whether this entry is assigned */ - u8 ntt; /* flag - need to transmit client info */ - struct slave *slave; /* the slave assigned to this client */ - unsigned short vlan_id; /* VLAN tag associated with IP address */ -}; - -struct tlb_slave_info { - u32 head; /* Index to the head of the bi-directional clients - * hash table entries list. The entries in the list - * are the entries that were assigned to use this - * slave for transmit. - */ - u32 load; /* Each slave sums the loadHistory of all clients - * assigned to it - */ -}; - -struct alb_bond_info { - struct tlb_client_info *tx_hashtbl; /* Dynamically allocated */ - u32 unbalanced_load; - int tx_rebalance_counter; - int lp_counter; - /* -------- rlb parameters -------- */ - int rlb_enabled; - struct rlb_client_info *rx_hashtbl; /* Receive hash table */ - u32 rx_hashtbl_used_head; - u8 rx_ntt; /* flag - need to transmit - * to all rx clients - */ - struct slave *rx_slave;/* last slave to xmit from */ - u8 primary_is_promisc; /* boolean */ - u32 rlb_promisc_timeout_counter;/* counts primary - * promiscuity time - */ - u32 rlb_update_delay_counter; - u32 rlb_update_retry_counter;/* counter of retries - * of client update - */ - u8 rlb_rebalance; /* flag - indicates that the - * rx traffic should be - * rebalanced - */ -}; - -int bond_alb_initialize(struct bonding *bond, int rlb_enabled); -void bond_alb_deinitialize(struct bonding *bond); -int bond_alb_init_slave(struct bonding *bond, struct slave *slave); -void bond_alb_deinit_slave(struct bonding *bond, struct slave *slave); -void bond_alb_handle_link_change(struct bonding *bond, struct slave *slave, char link); -void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave); -int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev); -int bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev); -void bond_alb_monitor(struct work_struct *); -int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr); -void bond_alb_clear_vlan(struct bonding *bond, unsigned short vlan_id); -#endif /* __BOND_ALB_H__ */ - |