| /* |
| * 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 |
| |
| /* |
| * There are three ways of counting errors - if there are more than X errors |
| * in Y packets (represented by the "SAMPLE" macros), if there are more than |
| * N errors in a S mSec time period (the "PERIOD" macros), or if there are |
| * consecutive packets with errors (CONSEC_ERRORED_THRESH). This last covers |
| * for "Bursty" errors, and the errored packets may well not be contiguous, |
| * but several errors where the packet counter has changed by less than a |
| * small amount will cause this count to increment. |
| */ |
| #define TX_PACKETS_IN_SAMPLE 10000 |
| #define TX_MAX_ERRORS_IN_SAMPLE 50 |
| |
| #define TX_ERROR_PERIOD 1000 |
| #define TX_MAX_ERRORS_IN_PERIOD 10 |
| |
| #define LINK_DETECTION_TIMER 5000 |
| |
| #define TX_CONSEC_RANGE 5 |
| #define TX_CONSEC_ERRORED_THRESH 10 |
| |
| #define LO_MARK_PERCENT_FOR_PSR 15 |
| #define LO_MARK_PERCENT_FOR_RX 15 |
| |
| /* Macros specific to the private adapter structure */ |
| #define MP_TCB_RESOURCES_AVAILABLE(_M) ((_M)->TxRing.nBusySend < NUM_TCB) |
| #define MP_TCB_RESOURCES_NOT_AVAILABLE(_M) ((_M)->TxRing.nBusySend >= NUM_TCB) |
| |
| #define MP_SHOULD_FAIL_SEND(_M) ((_M)->Flags & fMP_ADAPTER_FAIL_SEND_MASK) |
| |
| /* Counters for error rate monitoring */ |
| typedef struct _MP_ERR_COUNTERS { |
| u32 PktCountTxPackets; |
| u32 PktCountTxErrors; |
| u32 TimerBasedTxErrors; |
| u32 PktCountLastError; |
| u32 ErredConsecPackets; |
| } MP_ERR_COUNTERS, *PMP_ERR_COUNTERS; |
| |
| /* RFD (Receive Frame Descriptor) */ |
| typedef struct _MP_RFD { |
| struct list_head list_node; |
| struct sk_buff *Packet; |
| u32 PacketSize; /* total size of receive frame */ |
| u16 bufferindex; |
| u8 ringindex; |
| } MP_RFD, *PMP_RFD; |
| |
| /* Enum for Flow Control */ |
| typedef enum _eflow_control_t { |
| Both = 0, |
| TxOnly = 1, |
| RxOnly = 2, |
| None = 3 |
| } eFLOW_CONTROL_t, *PeFLOW_CONTROL_t; |
| |
| /* Struct to define some device statistics */ |
| typedef struct _ce_stats_t { |
| /* Link Input/Output stats */ |
| uint64_t ipackets; /* # of in packets */ |
| uint64_t opackets; /* # of out packets */ |
| |
| /* 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 unircv; /* # multicast packets received */ |
| atomic_t unixmt; /* # multicast packets for Tx */ |
| u32 multircv; /* # multicast packets received */ |
| atomic_t multixmt; /* # multicast packets for Tx */ |
| u32 brdcstrcv; /* # broadcast packets received */ |
| atomic_t brdcstxmt; /* # broadcast packets for Tx */ |
| u32 norcvbuf; /* # Rx packets discarded */ |
| u32 noxmtbuf; /* # Tx packets discarded */ |
| |
| /* Transciever state informations. */ |
| u8 xcvr_addr; |
| u32 xcvr_id; |
| |
| /* Tx Statistics. */ |
| u32 tx_uflo; /* Tx Underruns */ |
| |
| u32 collisions; |
| u32 excessive_collisions; |
| u32 first_collision; |
| u32 late_collisions; |
| u32 max_pkt_error; |
| u32 tx_deferred; |
| |
| /* Rx Statistics. */ |
| u32 rx_ov_flow; /* Rx Over Flow */ |
| |
| u32 length_err; |
| u32 alignment_err; |
| u32 crc_err; |
| u32 code_violations; |
| u32 other_errors; |
| |
| u32 SynchrounousIterations; |
| u32 InterruptStatus; |
| } CE_STATS_t, *PCE_STATS_t; |
| |
| /* 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 HwErrCount; |
| |
| /* Configuration */ |
| u8 PermanentAddress[ETH_ALEN]; |
| u8 CurrentAddress[ETH_ALEN]; |
| bool has_eeprom; |
| u8 eepromData[2]; |
| |
| /* Spinlocks */ |
| spinlock_t Lock; |
| |
| spinlock_t TCBSendQLock; |
| spinlock_t TCBReadyQLock; |
| spinlock_t SendHWLock; |
| spinlock_t SendWaitLock; |
| |
| spinlock_t RcvLock; |
| spinlock_t RcvPendLock; |
| spinlock_t FbrLock; |
| |
| spinlock_t PHYLock; |
| |
| /* Packet Filter and look ahead size */ |
| u32 PacketFilter; |
| u32 linkspeed; |
| u32 duplex_mode; |
| |
| /* multicast list */ |
| u32 MCAddressCount; |
| u8 MCList[NIC_MAX_MCAST_LIST][ETH_ALEN]; |
| |
| /* MAC test */ |
| TXMAC_TXTEST_t TxMacTest; |
| |
| /* Pointer to the device's PCI register space */ |
| ADDRESS_MAP_t __iomem *regs; |
| |
| /* Registry parameters */ |
| u8 SpeedDuplex; /* speed/duplex */ |
| eFLOW_CONTROL_t RegistryFlowControl; /* for 802.3x flow control */ |
| u8 RegistryPhyComa; /* Phy Coma mode enable/disable */ |
| |
| u32 RegistryRxMemEnd; /* Size of internal rx memory */ |
| u32 RegistryJumboPacket; /* Max supported ethernet packet size */ |
| |
| /* Validation helpers */ |
| u8 RegistryNMIDisable; |
| u8 RegistryPhyLoopbk; /* Enable Phy loopback */ |
| |
| /* Derived from the registry: */ |
| u8 AiForceDpx; /* duplex setting */ |
| u16 AiForceSpeed; /* 'Speed', user over-ride of line speed */ |
| eFLOW_CONTROL_t FlowControl; /* flow control validated by the far-end */ |
| enum { |
| NETIF_STATUS_INVALID = 0, |
| NETIF_STATUS_MEDIA_CONNECT, |
| NETIF_STATUS_MEDIA_DISCONNECT, |
| NETIF_STATUS_MAX |
| } MediaState; |
| u8 DriverNoPhyAccess; |
| |
| /* Minimize init-time */ |
| struct timer_list ErrorTimer; |
| MP_POWER_MGMT PoMgmt; |
| u32 CachedMaskValue; |
| |
| /* Xcvr status at last poll */ |
| MI_BMSR_t Bmsr; |
| |
| /* Tx Memory Variables */ |
| TX_RING_t TxRing; |
| |
| /* Rx Memory Variables */ |
| RX_RING_t RxRing; |
| |
| /* Loopback specifics */ |
| u8 ReplicaPhyLoopbk; /* Replica Enable */ |
| u8 ReplicaPhyLoopbkPF; /* Replica Enable Pass/Fail */ |
| |
| /* Stats */ |
| CE_STATS_t Stats; |
| |
| struct net_device_stats net_stats; |
| struct net_device_stats net_stats_prev; |
| }; |
| |
| #endif /* __ET131X_ADAPTER_H__ */ |