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

   1/*
   2 * This file is based on code from OCTEON SDK by Cavium Networks.
   3 *
   4 * Copyright (c) 2003-2010 Cavium Networks
   5 *
   6 * This file is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License, Version 2, as
   8 * published by the Free Software Foundation.
   9 */
  10
  11/*
  12 * External interface for the Cavium Octeon ethernet driver.
  13 */
  14#ifndef OCTEON_ETHERNET_H
  15#define OCTEON_ETHERNET_H
  16
  17#include <linux/of.h>
  18
  19#include <asm/octeon/cvmx-helper-board.h>
  20
  21/**
  22 * This is the definition of the Ethernet driver's private
  23 * driver state stored in netdev_priv(dev).
  24 */
  25struct octeon_ethernet {
  26        /* PKO hardware output port */
  27        int port;
  28        /* PKO hardware queue for the port */
  29        int queue;
  30        /* Hardware fetch and add to count outstanding tx buffers */
  31        int fau;
  32        /* My netdev. */
  33        struct net_device *netdev;
  34        /*
  35         * Type of port. This is one of the enums in
  36         * cvmx_helper_interface_mode_t
  37         */
  38        int imode;
  39        /* List of outstanding tx buffers per queue */
  40        struct sk_buff_head tx_free_list[16];
  41        /* Device statistics */
  42        struct net_device_stats stats;
  43        unsigned int last_speed;
  44        unsigned int last_link;
  45        /* Last negotiated link state */
  46        u64 link_info;
  47        /* Called periodically to check link status */
  48        void (*poll)(struct net_device *dev);
  49        struct delayed_work     port_periodic_work;
  50        struct device_node      *of_node;
  51};
  52
  53int cvm_oct_free_work(void *work_queue_entry);
  54
  55int cvm_oct_rgmii_open(struct net_device *dev);
  56
  57int cvm_oct_sgmii_init(struct net_device *dev);
  58int cvm_oct_sgmii_open(struct net_device *dev);
  59
  60int cvm_oct_spi_init(struct net_device *dev);
  61void cvm_oct_spi_uninit(struct net_device *dev);
  62
  63int cvm_oct_common_init(struct net_device *dev);
  64void cvm_oct_common_uninit(struct net_device *dev);
  65void cvm_oct_adjust_link(struct net_device *dev);
  66int cvm_oct_common_stop(struct net_device *dev);
  67int cvm_oct_common_open(struct net_device *dev,
  68                        void (*link_poll)(struct net_device *));
  69void cvm_oct_note_carrier(struct octeon_ethernet *priv,
  70                          cvmx_helper_link_info_t li);
  71void cvm_oct_link_poll(struct net_device *dev);
  72
  73extern int always_use_pow;
  74extern int pow_send_group;
  75extern int pow_receive_groups;
  76extern char pow_send_list[];
  77extern struct net_device *cvm_oct_device[];
  78extern atomic_t cvm_oct_poll_queue_stopping;
  79extern u64 cvm_oct_tx_poll_interval;
  80
  81extern int rx_napi_weight;
  82
  83#endif
  84