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