/* * 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; /* 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 mii_bus *mii_bus; struct phy_device *phydev; 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; /* Stats */ struct ce_stats stats; struct net_device_stats net_stats; }; #endif /* __ET131X_ADAPTER_H__ */