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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) 2003-2007 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 */ | |
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53 | struct net_device_stats stats; |
54 | struct phy_device *phydev; | |
55 | unsigned int last_link; | |
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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 | }; | |
61 | ||
62 | /** | |
63 | * Free a work queue entry received in a intercept callback. | |
64 | * | |
65 | * @work_queue_entry: | |
66 | * Work queue entry to free | |
67 | * Returns Zero on success, Negative on failure. | |
68 | */ | |
69 | int cvm_oct_free_work(void *work_queue_entry); | |
70 | ||
71 | /** | |
72 | * Transmit a work queue entry out of the ethernet port. Both | |
73 | * the work queue entry and the packet data can optionally be | |
74 | * freed. The work will be freed on error as well. | |
75 | * | |
76 | * @dev: Device to transmit out. | |
77 | * @work_queue_entry: | |
78 | * Work queue entry to send | |
79 | * @do_free: True if the work queue entry and packet data should be | |
80 | * freed. If false, neither will be freed. | |
81 | * @qos: Index into the queues for this port to transmit on. This | |
82 | * is used to implement QoS if their are multiple queues per | |
83 | * port. This parameter must be between 0 and the number of | |
84 | * queues per port minus 1. Values outside of this range will | |
85 | * be change to zero. | |
86 | * | |
87 | * Returns Zero on success, negative on failure. | |
88 | */ | |
89 | int cvm_oct_transmit_qos(struct net_device *dev, void *work_queue_entry, | |
90 | int do_free, int qos); | |
91 | ||
92 | /** | |
93 | * Transmit a work queue entry out of the ethernet port. Both | |
94 | * the work queue entry and the packet data can optionally be | |
95 | * freed. The work will be freed on error as well. This simply | |
96 | * wraps cvmx_oct_transmit_qos() for backwards compatability. | |
97 | * | |
98 | * @dev: Device to transmit out. | |
99 | * @work_queue_entry: | |
100 | * Work queue entry to send | |
101 | * @do_free: True if the work queue entry and packet data should be | |
102 | * freed. If false, neither will be freed. | |
103 | * | |
104 | * Returns Zero on success, negative on failure. | |
105 | */ | |
106 | static inline int cvm_oct_transmit(struct net_device *dev, | |
107 | void *work_queue_entry, int do_free) | |
108 | { | |
109 | return cvm_oct_transmit_qos(dev, work_queue_entry, do_free, 0); | |
110 | } | |
111 | ||
112 | extern int cvm_oct_rgmii_init(struct net_device *dev); | |
113 | extern void cvm_oct_rgmii_uninit(struct net_device *dev); | |
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114 | extern int cvm_oct_rgmii_open(struct net_device *dev); |
115 | extern int cvm_oct_rgmii_stop(struct net_device *dev); | |
116 | ||
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117 | extern int cvm_oct_sgmii_init(struct net_device *dev); |
118 | extern void cvm_oct_sgmii_uninit(struct net_device *dev); | |
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119 | extern int cvm_oct_sgmii_open(struct net_device *dev); |
120 | extern int cvm_oct_sgmii_stop(struct net_device *dev); | |
121 | ||
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122 | extern int cvm_oct_spi_init(struct net_device *dev); |
123 | extern void cvm_oct_spi_uninit(struct net_device *dev); | |
124 | extern int cvm_oct_xaui_init(struct net_device *dev); | |
125 | extern void cvm_oct_xaui_uninit(struct net_device *dev); | |
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126 | extern int cvm_oct_xaui_open(struct net_device *dev); |
127 | extern int cvm_oct_xaui_stop(struct net_device *dev); | |
128 | ||
129 | extern int cvm_oct_common_init(struct net_device *dev); | |
130 | extern void cvm_oct_common_uninit(struct net_device *dev); | |
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131 | |
132 | extern int always_use_pow; | |
133 | extern int pow_send_group; | |
134 | extern int pow_receive_group; | |
135 | extern char pow_send_list[]; | |
136 | extern struct net_device *cvm_oct_device[]; | |
137 | ||
138 | #endif |