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 /**
35  * This is the definition of the Ethernet driver's private
36  * driver state stored in netdev_priv(dev).
37  */
38 struct octeon_ethernet {
39 	/* PKO hardware output port */
40 	int port;
41 	/* PKO hardware queue for the port */
42 	int queue;
43 	/* Hardware fetch and add to count outstanding tx buffers */
44 	int fau;
45 	/*
46 	 * Type of port. This is one of the enums in
47 	 * cvmx_helper_interface_mode_t
48 	 */
49 	int imode;
50 	/* List of outstanding tx buffers per queue */
51 	struct sk_buff_head tx_free_list[16];
52 	/* Device statistics */
53 	struct net_device_stats stats;
54 	struct phy_device *phydev;
55 	unsigned int last_link;
56 	/* Last negotiated link state */
57 	uint64_t link_info;
58 	/* Called periodically to check link status */
59 	void (*poll) (struct net_device *dev);
60 	struct delayed_work	port_periodic_work;
61 	struct work_struct	port_work;	/* may be unused. */
62 };
63 
64 int cvm_oct_free_work(void *work_queue_entry);
65 
66 extern int cvm_oct_rgmii_init(struct net_device *dev);
67 extern void cvm_oct_rgmii_uninit(struct net_device *dev);
68 extern int cvm_oct_rgmii_open(struct net_device *dev);
69 extern int cvm_oct_rgmii_stop(struct net_device *dev);
70 
71 extern int cvm_oct_sgmii_init(struct net_device *dev);
72 extern void cvm_oct_sgmii_uninit(struct net_device *dev);
73 extern int cvm_oct_sgmii_open(struct net_device *dev);
74 extern int cvm_oct_sgmii_stop(struct net_device *dev);
75 
76 extern int cvm_oct_spi_init(struct net_device *dev);
77 extern void cvm_oct_spi_uninit(struct net_device *dev);
78 extern int cvm_oct_xaui_init(struct net_device *dev);
79 extern void cvm_oct_xaui_uninit(struct net_device *dev);
80 extern int cvm_oct_xaui_open(struct net_device *dev);
81 extern int cvm_oct_xaui_stop(struct net_device *dev);
82 
83 extern int cvm_oct_common_init(struct net_device *dev);
84 extern void cvm_oct_common_uninit(struct net_device *dev);
85 
86 extern int always_use_pow;
87 extern int pow_send_group;
88 extern int pow_receive_group;
89 extern char pow_send_list[];
90 extern struct net_device *cvm_oct_device[];
91 extern struct workqueue_struct *cvm_oct_poll_queue;
92 extern atomic_t cvm_oct_poll_queue_stopping;
93 extern u64 cvm_oct_tx_poll_interval;
94 
95 extern int max_rx_cpus;
96 extern int rx_napi_weight;
97 
98 #endif
99