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/*
* Agere Systems Inc.
* 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
*
* Copyright © 2005 Agere Systems Inc.
* All rights reserved.
* http://www.agere.com
*
*------------------------------------------------------------------------------
*
* et131x_adapter.h - Header which includes the private adapter structure, along
* with related support structures, macros, definitions, etc.
*
*------------------------------------------------------------------------------
*
* SOFTWARE LICENSE
*
* This software is provided subject to the following terms and conditions,
* which you should read carefully before using the software. Using this
* software indicates your acceptance of these terms and conditions. If you do
* not agree with these terms and conditions, do not use the software.
*
* Copyright © 2005 Agere Systems Inc.
* All rights reserved.
*
* Redistribution and use in source or binary forms, with or without
* modifications, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following Disclaimer as comments in the code as
* well as in the documentation and/or other materials provided with the
* distribution.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following Disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name of Agere Systems Inc. nor the names of the contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* Disclaimer
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
* USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
* RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*/
#ifndef __ET131X_ADAPTER_H__
#define __ET131X_ADAPTER_H__
#include "et1310_address_map.h"
#include "et1310_tx.h"
#include "et1310_rx.h"
/*
* Do not change these values: if changed, then change also in respective
* TXdma and Rxdma engines
*/
#define NUM_DESC_PER_RING_TX 512 /* TX Do not change these values */
#define NUM_TCB 64
/*
* These values are all superseded by registry entries to facilitate tuning.
* Once the desired performance has been achieved, the optimal registry values
* should be re-populated to these #defines:
*/
#define NUM_TRAFFIC_CLASSES 1
#define TX_ERROR_PERIOD 1000
#define LO_MARK_PERCENT_FOR_PSR 15
#define LO_MARK_PERCENT_FOR_RX 15
/* RFD (Receive Frame Descriptor) */
struct rfd {
struct list_head list_node;
struct sk_buff *skb;
u32 len; /* total size of receive frame */
u16 bufferindex;
u8 ringindex;
};
/* Flow Control */
#define FLOW_BOTH 0
#define FLOW_TXONLY 1
#define FLOW_RXONLY 2
#define FLOW_NONE 3
/* Struct to define some device statistics */
struct ce_stats {
/* MIB II variables
*
* NOTE: atomic_t types are only guaranteed to store 24-bits; if we
* MUST have 32, then we'll need another way to perform atomic
* operations
*/
u32 unicast_pkts_rcvd;
atomic_t unicast_pkts_xmtd;
u32 multicast_pkts_rcvd;
atomic_t multicast_pkts_xmtd;
u32 broadcast_pkts_rcvd;
atomic_t broadcast_pkts_xmtd;
u32 rcvd_pkts_dropped;
/* Transceiver state informations. */
u8 xcvr_addr;
u32 xcvr_id;
/* Tx Statistics. */
u32 tx_underflows;
u32 tx_collisions;
u32 tx_excessive_collisions;
u32 tx_first_collisions;
u32 tx_late_collisions;
u32 tx_max_pkt_errs;
u32 tx_deferred;
/* Rx Statistics. */
u32 rx_overflows;
u32 rx_length_errs;
u32 rx_align_errs;
u32 rx_crc_errs;
u32 rx_code_violations;
u32 rx_other_errs;
u32 synchronous_iterations;
u32 interrupt_status;
};
/* The private adapter structure */
struct et131x_adapter {
struct net_device *netdev;
struct pci_dev *pdev;
struct work_struct task;
/* Flags that indicate current state of the adapter */
u32 flags;
u32 hw_errs;
/* Configuration */
u8 rom_addr[ETH_ALEN];
u8 addr[ETH_ALEN];
bool has_eeprom;
u8 eeprom_data[2];
/* Spinlocks */
spinlock_t lock;
spinlock_t tcb_send_qlock;
spinlock_t tcb_ready_qlock;
spinlock_t send_hw_lock;
spinlock_t rcv_lock;
spinlock_t rcv_pend_lock;
spinlock_t fbr_lock;
spinlock_t phy_lock;
/* Packet Filter and look ahead size */
u32 packet_filter;
u32 linkspeed;
u32 duplex_mode;
/* multicast list */
u32 multicast_addr_count;
u8 multicast_list[NIC_MAX_MCAST_LIST][ETH_ALEN];
/* Pointer to the device's PCI register space */
struct address_map __iomem *regs;
/* Registry parameters */
u8 speed_duplex; /* speed/duplex */
u8 wanted_flow; /* Flow we want for 802.3x flow control */
u8 registry_phy_coma; /* Phy Coma mode enable/disable */
u32 registry_rx_mem_end; /* Size of internal rx memory */
u32 registry_jumbo_packet; /* Max supported ethernet packet size */
/* Derived from the registry: */
u8 ai_force_duplex; /* duplex setting */
u16 ai_force_speed; /* 'Speed', user over-ride of line speed */
u8 flowcontrol; /* flow control validated by the far-end */
/* Minimize init-time */
struct timer_list error_timer;
/* variable putting the phy into coma mode when boot up with no cable
* plugged in after 5 seconds
*/
u8 boot_coma;
/* Next two used to save power information at power down. This
* information will be used during power up to set up parts of Power
* Management in JAGCore
*/
u16 pdown_speed;
u8 pdown_duplex;
u32 cached_mask_value;
/* Xcvr status at last poll */
u16 bmsr;
/* Tx Memory Variables */
struct tx_ring tx_ring;
/* Rx Memory Variables */
struct rx_ring rx_ring;
/* Loopback specifics */
u8 replica_phy_loopbk; /* Replica Enable */
u8 replica_phy_loopbk_passfail; /* Replica Enable Pass/Fail */
/* Stats */
struct ce_stats stats;
struct net_device_stats net_stats;
};
#endif /* __ET131X_ADAPTER_H__ */
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