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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 /*
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
67int cvm_oct_free_work(void *work_queue_entry);
68
69extern int cvm_oct_rgmii_init(struct net_device *dev);
70extern void cvm_oct_rgmii_uninit(struct net_device *dev);
71extern int cvm_oct_rgmii_open(struct net_device *dev);
72extern int cvm_oct_rgmii_stop(struct net_device *dev);
73
74extern int cvm_oct_sgmii_init(struct net_device *dev);
75extern void cvm_oct_sgmii_uninit(struct net_device *dev);
76extern int cvm_oct_sgmii_open(struct net_device *dev);
77extern int cvm_oct_sgmii_stop(struct net_device *dev);
78
79extern int cvm_oct_spi_init(struct net_device *dev);
80extern void cvm_oct_spi_uninit(struct net_device *dev);
81extern int cvm_oct_xaui_init(struct net_device *dev);
82extern void cvm_oct_xaui_uninit(struct net_device *dev);
83extern int cvm_oct_xaui_open(struct net_device *dev);
84extern int cvm_oct_xaui_stop(struct net_device *dev);
85
86extern int cvm_oct_common_init(struct net_device *dev);
87extern void cvm_oct_common_uninit(struct net_device *dev);
88
89extern int always_use_pow;
90extern int pow_send_group;
91extern int pow_receive_group;
92extern char pow_send_list[];
93extern struct net_device *cvm_oct_device[];
94extern struct workqueue_struct *cvm_oct_poll_queue;
95extern atomic_t cvm_oct_poll_queue_stopping;
96extern u64 cvm_oct_tx_poll_interval;
97
98extern int max_rx_cpus;
99extern int rx_napi_weight;
100
101#endif
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