LXR linux/drivers/staging/octeon/octeon-ethernet.h

   1/**********************************************************************
   2 * Author: Cavium Networks
   3 *
   4 * Contact: support@caviumnetworks.com
   5 * This file is part of the OCTEON SDK
   6 *
   7 * Copyright (c) 2003-2010 Cavium Networks
   8 *
   9 * This file is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License, Version 2, as
  11 * published by the Free Software Foundation.
  12 *
  13 * This file is distributed in the hope that it will be useful, but
  14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
  15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
  16 * NONINFRINGEMENT.  See the GNU General Public License for more
  17 * details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this file; if not, write to the Free Software
  21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  22 * or visit http://www.gnu.org/licenses/.
  23 *
  24 * This file may also be available under a different license from Cavium.
  25 * Contact Cavium Networks for more information
  26**********************************************************************/
  27
  28/*
  29 * External interface for the Cavium Octeon ethernet driver.
  30 */
  31#ifndef OCTEON_ETHERNET_H
  32#define OCTEON_ETHERNET_H
  33
  34/**
  35 * This is the definition of the Ethernet driver's private
  36 * driver state stored in netdev_priv(dev).
  37 */
  38struct octeon_ethernet {
  39        /* PKO hardware output port */
  40        int port;
  41        /* PKO hardware queue for the port */
  42        int queue;
  43        /* Hardware fetch and add to count outstanding tx buffers */
  44        int fau;
  45        /*
  46         * Type of port. This is one of the enums in
  47         * cvmx_helper_interface_mode_t
  48         */
  49        int imode;
  50        /* List of outstanding tx buffers per queue */
  51        struct sk_buff_head tx_free_list[16];
  52        /* Device statistics */
  53        struct net_device_stats stats;
  54        struct phy_device *phydev;
  55        unsigned int last_link;
  56        /* Last negotiated link state */
  57        uint64_t link_info;
  58        /* Called periodically to check link status */
  59        void (*poll) (struct net_device *dev);
  60        struct delayed_work     port_periodic_work;
  61        struct work_struct      port_work;      /* may be unused. */
  62};
  63
  64int cvm_oct_free_work(void *work_queue_entry);
  65
  66extern int cvm_oct_rgmii_init(struct net_device *dev);
  67extern void cvm_oct_rgmii_uninit(struct net_device *dev);
  68extern int cvm_oct_rgmii_open(struct net_device *dev);
  69extern int cvm_oct_rgmii_stop(struct net_device *dev);
  70
  71extern int cvm_oct_sgmii_init(struct net_device *dev);
  72extern void cvm_oct_sgmii_uninit(struct net_device *dev);
  73extern int cvm_oct_sgmii_open(struct net_device *dev);
  74extern int cvm_oct_sgmii_stop(struct net_device *dev);
  75
  76extern int cvm_oct_spi_init(struct net_device *dev);
  77extern void cvm_oct_spi_uninit(struct net_device *dev);
  78extern int cvm_oct_xaui_init(struct net_device *dev);
  79extern void cvm_oct_xaui_uninit(struct net_device *dev);
  80extern int cvm_oct_xaui_open(struct net_device *dev);
  81extern int cvm_oct_xaui_stop(struct net_device *dev);
  82
  83extern int cvm_oct_common_init(struct net_device *dev);
  84extern void cvm_oct_common_uninit(struct net_device *dev);
  85
  86extern int always_use_pow;
  87extern int pow_send_group;
  88extern int pow_receive_group;
  89extern char pow_send_list[];
  90extern struct net_device *cvm_oct_device[];
  91extern struct workqueue_struct *cvm_oct_poll_queue;
  92extern atomic_t cvm_oct_poll_queue_stopping;
  93extern u64 cvm_oct_tx_poll_interval;
  94
  95extern int max_rx_cpus;
  96extern int rx_napi_weight;
  97
  98#endif
  99