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  */
  49 struct 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
  77 int cvm_oct_free_work(void *work_queue_entry);
  78
  79 int cvm_oct_rgmii_open(struct net_device *dev);
  80
  81 int cvm_oct_sgmii_init(struct net_device *dev);
  82 int cvm_oct_sgmii_open(struct net_device *dev);
  83
  84 int cvm_oct_spi_init(struct net_device *dev);
  85 void cvm_oct_spi_uninit(struct net_device *dev);
  86
  87 int cvm_oct_common_init(struct net_device *dev);
  88 void cvm_oct_common_uninit(struct net_device *dev);
  89 void cvm_oct_adjust_link(struct net_device *dev);
  90 int cvm_oct_common_stop(struct net_device *dev);
  91 int cvm_oct_common_open(struct net_device *dev,
  92                         void (*link_poll)(struct net_device *));
  93 void cvm_oct_note_carrier(struct octeon_ethernet *priv,
  94                           union cvmx_helper_link_info li);
  95 void cvm_oct_link_poll(struct net_device *dev);
  96
  97 extern int always_use_pow;
  98 extern int pow_send_group;
  99 extern int pow_receive_groups;
 100 extern char pow_send_list[];
 101 extern struct net_device *cvm_oct_device[];
 102 extern atomic_t cvm_oct_poll_queue_stopping;
 103 extern u64 cvm_oct_tx_poll_interval;
 104
 105 extern int rx_napi_weight;
 106
 107 #endif