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
  16 #include <asm/octeon/cvmx-helper-board.h>
  17
  18 /**
  19  * This is the definition of the Ethernet driver's private
  20  * driver state stored in netdev_priv(dev).
  21  */
  22 struct octeon_ethernet {
  23         /* PKO hardware output port */
  24         int port;
  25         /* PKO hardware queue for the port */
  26         int queue;
  27         /* Hardware fetch and add to count outstanding tx buffers */
  28         int fau;
  29         /* My netdev. */
  30         struct net_device *netdev;
  31         /*
  32          * Type of port. This is one of the enums in
  33          * cvmx_helper_interface_mode_t
  34          */
  35         int imode;
  36         /* List of outstanding tx buffers per queue */
  37         struct sk_buff_head tx_free_list[16];
  38         unsigned int last_speed;
  39         unsigned int last_link;
  40         /* Last negotiated link state */
  41         u64 link_info;
  42         /* Called periodically to check link status */
  43         void (*poll)(struct net_device *dev);
  44         struct delayed_work     port_periodic_work;
  45         struct device_node      *of_node;
  46 };
  47
  48 int cvm_oct_free_work(void *work_queue_entry);
  49
  50 int cvm_oct_rgmii_open(struct net_device *dev);
  51
  52 int cvm_oct_sgmii_init(struct net_device *dev);
  53 int cvm_oct_sgmii_open(struct net_device *dev);
  54
  55 int cvm_oct_spi_init(struct net_device *dev);
  56 void cvm_oct_spi_uninit(struct net_device *dev);
  57
  58 int cvm_oct_common_init(struct net_device *dev);
  59 void cvm_oct_common_uninit(struct net_device *dev);
  60 void cvm_oct_adjust_link(struct net_device *dev);
  61 int cvm_oct_common_stop(struct net_device *dev);
  62 int cvm_oct_common_open(struct net_device *dev,
  63                         void (*link_poll)(struct net_device *));
  64 void cvm_oct_note_carrier(struct octeon_ethernet *priv,
  65                           cvmx_helper_link_info_t li);
  66 void cvm_oct_link_poll(struct net_device *dev);
  67
  68 extern int always_use_pow;
  69 extern int pow_send_group;
  70 extern int pow_receive_groups;
  71 extern char pow_send_list[];
  72 extern struct net_device *cvm_oct_device[];
  73 extern atomic_t cvm_oct_poll_queue_stopping;
  74 extern u64 cvm_oct_tx_poll_interval;
  75
  76 extern int rx_napi_weight;
  77
  78 #endif