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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * This file is based on code from OCTEON SDK by Cavium Networks.
   4 *
   5 * Copyright (c) 2003-2010 Cavium Networks
   6 */
   7
   8/*
   9 * External interface for the Cavium Octeon ethernet driver.
  10 */
  11#ifndef OCTEON_ETHERNET_H
  12#define OCTEON_ETHERNET_H
  13
  14#include <linux/of.h>
  15#include <linux/phy.h>
  16
  17#ifdef CONFIG_CAVIUM_OCTEON_SOC
  18
  19#include <asm/octeon/octeon.h>
  20
  21#include <asm/octeon/cvmx-asxx-defs.h>
  22#include <asm/octeon/cvmx-config.h>
  23#include <asm/octeon/cvmx-fau.h>
  24#include <asm/octeon/cvmx-gmxx-defs.h>
  25#include <asm/octeon/cvmx-helper.h>
  26#include <asm/octeon/cvmx-helper-util.h>
  27#include <asm/octeon/cvmx-ipd.h>
  28#include <asm/octeon/cvmx-ipd-defs.h>
  29#include <asm/octeon/cvmx-npi-defs.h>
  30#include <asm/octeon/cvmx-pip.h>
  31#include <asm/octeon/cvmx-pko.h>
  32#include <asm/octeon/cvmx-pow.h>
  33#include <asm/octeon/cvmx-scratch.h>
  34#include <asm/octeon/cvmx-spi.h>
  35#include <asm/octeon/cvmx-spxx-defs.h>
  36#include <asm/octeon/cvmx-stxx-defs.h>
  37#include <asm/octeon/cvmx-wqe.h>
  38
  39#else
  40
  41#include "octeon-stubs.h"
  42
  43#endif
  44
  45/**
  46 * This is the definition of the Ethernet driver's private
  47 * driver state stored in netdev_priv(dev).
  48 */
  49struct octeon_ethernet {
  50        /* PKO hardware output port */
  51        int port;
  52        /* PKO hardware queue for the port */
  53        int queue;
  54        /* Hardware fetch and add to count outstanding tx buffers */
  55        int fau;
  56        /* My netdev. */
  57        struct net_device *netdev;
  58        /*
  59         * Type of port. This is one of the enums in
  60         * cvmx_helper_interface_mode_t
  61         */
  62        int imode;
  63        /* PHY mode */
  64        phy_interface_t phy_mode;
  65        /* List of outstanding tx buffers per queue */
  66        struct sk_buff_head tx_free_list[16];
  67        unsigned int last_speed;
  68        unsigned int last_link;
  69        /* Last negotiated link state */
  70        u64 link_info;
  71        /* Called periodically to check link status */
  72        void (*poll)(struct net_device *dev);
  73        struct delayed_work     port_periodic_work;
  74        struct device_node      *of_node;
  75};
  76
  77int cvm_oct_free_work(void *work_queue_entry);
  78
  79int cvm_oct_rgmii_open(struct net_device *dev);
  80
  81int cvm_oct_sgmii_init(struct net_device *dev);
  82int cvm_oct_sgmii_open(struct net_device *dev);
  83
  84int cvm_oct_spi_init(struct net_device *dev);
  85void cvm_oct_spi_uninit(struct net_device *dev);
  86
  87int cvm_oct_common_init(struct net_device *dev);
  88void cvm_oct_common_uninit(struct net_device *dev);
  89void cvm_oct_adjust_link(struct net_device *dev);
  90int cvm_oct_common_stop(struct net_device *dev);
  91int cvm_oct_common_open(struct net_device *dev,
  92                        void (*link_poll)(struct net_device *));
  93void cvm_oct_note_carrier(struct octeon_ethernet *priv,
  94                          union cvmx_helper_link_info li);
  95void cvm_oct_link_poll(struct net_device *dev);
  96
  97extern int always_use_pow;
  98extern int pow_send_group;
  99extern int pow_receive_groups;
 100extern char pow_send_list[];
 101extern struct net_device *cvm_oct_device[];
 102extern atomic_t cvm_oct_poll_queue_stopping;
 103extern u64 cvm_oct_tx_poll_interval;
 104
 105extern int rx_napi_weight;
 106
 107#endif
 108