1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Cavium Networks nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
* This Software, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* Support functions for managing the MII management port
*
* <hr>$Revision: 49448 $<hr>
*/
#ifndef __CVMX_MGMT_PORT_H__
#define __CVMX_MGMT_PORT_H__
#include "cvmx-helper.h"
#include "cvmx-helper-board.h"
#ifdef __cplusplus
extern "C" {
#endif
#define CVMX_MGMT_PORT_NUM_PORTS 2 /* Right now we only have one mgmt port */
#define CVMX_MGMT_PORT_NUM_TX_BUFFERS 16 /* Number of TX ring buffer entries and buffers */
#define CVMX_MGMT_PORT_NUM_RX_BUFFERS 128 /* Number of RX ring buffer entries and buffers */
#define CVMX_MGMT_PORT_TX_BUFFER_SIZE 12288 /* Size of each TX/RX buffer */
#define CVMX_MGMT_PORT_RX_BUFFER_SIZE 1536 /* Size of each TX/RX buffer */
typedef enum
{
CVMX_MGMT_PORT_SUCCESS = 0,
CVMX_MGMT_PORT_NO_MEMORY = -1,
CVMX_MGMT_PORT_INVALID_PARAM = -2,
CVMX_MGMT_PORT_INIT_ERROR = -3,
} cvmx_mgmt_port_result_t;
/* Enumeration of Net Device interface flags. */
typedef enum
{
CVMX_IFF_PROMISC = 0x100, /* receive all packets */
CVMX_IFF_ALLMULTI = 0x200, /* receive all multicast packets */
} cvmx_mgmt_port_netdevice_flags_t;
/**
* Called to initialize a management port for use. Multiple calls
* to this function accross applications is safe.
*
* @param port Port to initialize
*
* @return CVMX_MGMT_PORT_SUCCESS or an error code
*/
extern cvmx_mgmt_port_result_t cvmx_mgmt_port_initialize(int port);
/**
* Shutdown a management port. This currently disables packet IO
* but leaves all hardware and buffers. Another application can then
* call initialize() without redoing the hardware setup.
*
* @param port Management port
*
* @return CVMX_MGMT_PORT_SUCCESS or an error code
*/
extern cvmx_mgmt_port_result_t cvmx_mgmt_port_shutdown(int port);
/**
* Enable packet IO on a management port
*
* @param port Management port
*
* @return CVMX_MGMT_PORT_SUCCESS or an error code
*/
extern cvmx_mgmt_port_result_t cvmx_mgmt_port_enable(int port);
/**
* Disable packet IO on a management port
*
* @param port Management port
*
* @return CVMX_MGMT_PORT_SUCCESS or an error code
*/
extern cvmx_mgmt_port_result_t cvmx_mgmt_port_disable(int port);
/**
* Send a packet out the management port. The packet is copied so
* the input buffer isn't used after this call.
*
* @param port Management port
* @param packet_len Length of the packet to send. It does not include the final CRC
* @param buffer Packet data
*
* @return CVMX_MGMT_PORT_SUCCESS or an error code
*/
extern cvmx_mgmt_port_result_t cvmx_mgmt_port_send(int port, int packet_len, void *buffer);
/**
* Receive a packet from the management port.
*
* @param port Management port
* @param buffer_len Size of the buffer to receive the packet into
* @param buffer Buffer to receive the packet into
*
* @return The size of the packet, or a negative erorr code on failure. Zero
* means that no packets were available.
*/
extern int cvmx_mgmt_port_receive(int port, int buffer_len, void *buffer);
/**
* Set the MAC address for a management port
*
* @param port Management port
* @param mac New MAC address. The lower 6 bytes are used.
*
* @return CVMX_MGMT_PORT_SUCCESS or an error code
*/
extern cvmx_mgmt_port_result_t cvmx_mgmt_port_set_mac(int port, uint64_t mac);
/**
* Get the MAC address for a management port
*
* @param port Management port
*
* @return MAC address
*/
extern uint64_t cvmx_mgmt_port_get_mac(int port);
#define CVMX_MGMT_PORT_GET_MAC_ERROR ((unsigned long long)-2LL)
/**
* Set the multicast list.
*
* @param port Management port
* @param flags Interface flags
*
* @return
*/
extern void cvmx_mgmt_port_set_multicast_list(int port, int flags);
/**
* Set the maximum packet allowed in. Size is specified
* including L2 but without FCS. A normal MTU would corespond
* to 1514 assuming the standard 14 byte L2 header.
*
* @param port Management port
* @param size_without_fcs
* Size in bytes without FCS
*/
extern void cvmx_mgmt_port_set_max_packet_size(int port, int size_without_fcs);
/**
* Return the link state of an RGMII/MII port as returned by
* auto negotiation. The result of this function may not match
* Octeon's link config if auto negotiation has changed since
* the last call to __cvmx_mgmt_port_link_set().
*
* @param port The RGMII/MII interface port to query
*
* @return Link state
*/
extern cvmx_helper_link_info_t cvmx_mgmt_port_link_get(int port);
/**
* Configure RGMII/MII port for the specified link state. This
* function does not influence auto negotiation at the PHY level.
*
* @param port RGMII/MII interface port
* @param link_info The new link state
*
* @return Zero on success, negative on failure
*/
extern int cvmx_mgmt_port_link_set(int port, cvmx_helper_link_info_t link_info);
#ifdef __cplusplus
}
#endif
#endif /* __CVMX_MGMT_PORT_H__ */
|
