patch-2.4.22 linux-2.4.22/drivers/net/bonding/bond_alb.h
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- Lines: 128
- Date:
2003-08-25 04:44:42.000000000 -0700
- Orig file:
linux-2.4.21/drivers/net/bonding/bond_alb.h
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/drivers/net/bonding/bond_alb.h linux-2.4.22/drivers/net/bonding/bond_alb.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright(c) 1999 - 2003 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * 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)
+
+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 acumulates the BytesTx that
+ * were tranmitted to it, and after each
+ * CallBack the LoadHistory is devided
+ * 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
+ * -------------------------------------------------------------------------
+ */
+struct rlb_client_info {
+ u32 ip_src; /* the server IP address */
+ u32 ip_dst; /* the client IP address */
+ u8 mac_dst[ETH_ALEN]; /* the client MAC address */
+ u32 next; /* The next Hash table entry index */
+ u32 prev; /* The previous Hash table entry 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 */
+};
+
+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 timer_list alb_timer;
+ struct tlb_client_info *tx_hashtbl; /* Dynamically allocated */
+ spinlock_t tx_hashtbl_lock;
+ u32 unbalanced_load;
+ int tx_rebalance_counter;
+ int lp_counter;
+ /* -------- rlb parameters -------- */
+ int rlb_enabled;
+ struct packet_type rlb_pkt_type;
+ struct rlb_client_info *rx_hashtbl; /* Receive hash table */
+ spinlock_t rx_hashtbl_lock;
+ u32 rx_hashtbl_head;
+ u8 rx_ntt; /* flag - need to transmit
+ * to all rx clients
+ */
+ struct slave *next_rx_slave;/* next slave to be assigned
+ * to a new rx client for
+ */
+ u32 rlb_interval_counter;
+ 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_assign_current_slave(struct bonding *bond, struct slave *new_slave);
+int bond_alb_xmit(struct sk_buff *skb, struct net_device *dev);
+void bond_alb_monitor(struct bonding *bond);
+
+#endif /* __BOND_ALB_H__ */
+
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