drivers/staging/octeon/octeon-ethernet.h

   1 /**********************************************************************
   2  * Author: Cavium Networks
   3  *
   4  * Contact: support@caviumnetworks.com
   5  * This file is part of the OCTEON SDK
   6  *
   7  * Copyright (c) 2003-2010 Cavium Networks
   8  *
   9  * This file is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License, Version 2, as
  11  * published by the Free Software Foundation.
  12  *
  13  * This file is distributed in the hope that it will be useful, but
  14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
  15  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
  16  * NONINFRINGEMENT.  See the GNU General Public License for more
  17  * details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this file; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  22  * or visit http://www.gnu.org/licenses/.
  23  *
  24  * This file may also be available under a different license from Cavium.
  25  * Contact Cavium Networks for more information
  26 **********************************************************************/
  27
  28 /*
  29  * External interface for the Cavium Octeon ethernet driver.
  30  */
  31 #ifndef OCTEON_ETHERNET_H
  32 #define OCTEON_ETHERNET_H
  33
  34 #include <linux/of.h>
  35
  36 /**
  37  * This is the definition of the Ethernet driver's private
  38  * driver state stored in netdev_priv(dev).
  39  */
  40 struct octeon_ethernet {
  41         /* PKO hardware output port */
  42         int port;
  43         /* PKO hardware queue for the port */
  44         int queue;
  45         /* Hardware fetch and add to count outstanding tx buffers */
  46         int fau;
  47         /*
  48          * Type of port. This is one of the enums in
  49          * cvmx_helper_interface_mode_t
  50          */
  51         int imode;
  52         /* List of outstanding tx buffers per queue */
  53         struct sk_buff_head tx_free_list[16];
  54         /* Device statistics */
  55         struct net_device_stats stats;
  56         struct phy_device *phydev;
  57         unsigned int last_link;
  58         /* Last negotiated link state */
  59         uint64_t link_info;
  60         /* Called periodically to check link status */
  61         void (*poll) (struct net_device *dev);
  62         struct delayed_work     port_periodic_work;
  63         struct work_struct      port_work;      /* may be unused. */
  64         struct device_node      *of_node;
  65 };
  66
  67 int cvm_oct_free_work(void *work_queue_entry);
  68
  69 extern int cvm_oct_rgmii_init(struct net_device *dev);
  70 extern void cvm_oct_rgmii_uninit(struct net_device *dev);
  71 extern int cvm_oct_rgmii_open(struct net_device *dev);
  72 extern int cvm_oct_rgmii_stop(struct net_device *dev);
  73
  74 extern int cvm_oct_sgmii_init(struct net_device *dev);
  75 extern void cvm_oct_sgmii_uninit(struct net_device *dev);
  76 extern int cvm_oct_sgmii_open(struct net_device *dev);
  77 extern int cvm_oct_sgmii_stop(struct net_device *dev);
  78
  79 extern int cvm_oct_spi_init(struct net_device *dev);
  80 extern void cvm_oct_spi_uninit(struct net_device *dev);
  81 extern int cvm_oct_xaui_init(struct net_device *dev);
  82 extern void cvm_oct_xaui_uninit(struct net_device *dev);
  83 extern int cvm_oct_xaui_open(struct net_device *dev);
  84 extern int cvm_oct_xaui_stop(struct net_device *dev);
  85
  86 extern int cvm_oct_common_init(struct net_device *dev);
  87 extern void cvm_oct_common_uninit(struct net_device *dev);
  88
  89 extern int always_use_pow;
  90 extern int pow_send_group;
  91 extern int pow_receive_group;
  92 extern char pow_send_list[];
  93 extern struct net_device *cvm_oct_device[];
  94 extern struct workqueue_struct *cvm_oct_poll_queue;
  95 extern atomic_t cvm_oct_poll_queue_stopping;
  96 extern u64 cvm_oct_tx_poll_interval;
  97
  98 extern int max_rx_cpus;
  99 extern int rx_napi_weight;
 100
 101 #endif