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 */
40struct 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	/* My netdev. */
48	struct net_device *netdev;
49	/*
50	 * Type of port. This is one of the enums in
51	 * cvmx_helper_interface_mode_t
52	 */
53	int imode;
54	/* List of outstanding tx buffers per queue */
55	struct sk_buff_head tx_free_list[16];
56	/* Device statistics */
57	struct net_device_stats stats;
58	struct phy_device *phydev;
59	unsigned int last_link;
60	/* Last negotiated link state */
61	uint64_t link_info;
62	/* Called periodically to check link status */
63	void (*poll)(struct net_device *dev);
64	struct delayed_work	port_periodic_work;
65	struct work_struct	port_work;	/* may be unused. */
66	struct device_node	*of_node;
67};
68
69int cvm_oct_free_work(void *work_queue_entry);
70
71extern int cvm_oct_rgmii_init(struct net_device *dev);
72extern void cvm_oct_rgmii_uninit(struct net_device *dev);
73extern int cvm_oct_rgmii_open(struct net_device *dev);
74extern int cvm_oct_rgmii_stop(struct net_device *dev);
75
76extern int cvm_oct_sgmii_init(struct net_device *dev);
77extern void cvm_oct_sgmii_uninit(struct net_device *dev);
78extern int cvm_oct_sgmii_open(struct net_device *dev);
79extern int cvm_oct_sgmii_stop(struct net_device *dev);
80
81extern int cvm_oct_spi_init(struct net_device *dev);
82extern void cvm_oct_spi_uninit(struct net_device *dev);
83extern int cvm_oct_xaui_init(struct net_device *dev);
84extern void cvm_oct_xaui_uninit(struct net_device *dev);
85extern int cvm_oct_xaui_open(struct net_device *dev);
86extern int cvm_oct_xaui_stop(struct net_device *dev);
87
88extern int cvm_oct_common_init(struct net_device *dev);
89extern void cvm_oct_common_uninit(struct net_device *dev);
90void cvm_oct_adjust_link(struct net_device *dev);
91int cvm_oct_common_stop(struct net_device *dev);
92
93extern int always_use_pow;
94extern int pow_send_group;
95extern int pow_receive_group;
96extern char pow_send_list[];
97extern struct net_device *cvm_oct_device[];
98extern struct workqueue_struct *cvm_oct_poll_queue;
99extern atomic_t cvm_oct_poll_queue_stopping;
100extern u64 cvm_oct_tx_poll_interval;
101
102extern int rx_napi_weight;
103
104#endif
105