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
|
/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* Internal IP structures File: net_ip_internal.h
*
* This module contains non-public IP stack constants,
* structures, and function prototypes.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
/* *********************************************************************
* ARP Protocol
********************************************************************* */
#define ARP_OPCODE_REQUEST 1
#define ARP_OPCODE_REPLY 2
#define ARP_HWADDRSPACE_ETHERNET 1
#define PROTOSPACE_IP 0x0800
#define PROTOSPACE_ARP 0x0806
/* Foxconn add start by Cliff Wang, 03/23/2010 */
#define PROTOSPACE_NMRP 0x0912
/* Foxconn add end by Cliff Wang, 03/23/2010 */
#define ARP_KEEP_TIMER 60
#define ARP_QUERY_TIMER 1
#define ARP_QUERY_RETRIES 4
#define ARP_TXWAIT_MAX 2
#define ARP_TABLE_SIZE 8
typedef enum { ae_unused, ae_arping, ae_established } arpstate_t;
typedef struct arpentry_s {
arpstate_t ae_state;
int ae_usage;
int ae_timer;
int ae_retries;
int ae_permanent;
uint8_t ae_ipaddr[IP_ADDR_LEN];
uint8_t ae_ethaddr[ENET_ADDR_LEN];
queue_t ae_txqueue;
} arpentry_t;
/* *********************************************************************
* IP Protocol
********************************************************************* */
#define IPHDR_VER_4 0x40
#define IPHDR_LEN_20 0x05
#define IPHDR_LENGTH 20
#define IPHDR_TOS_DEFAULT 0x00
#define IPHDR_TTL_DEFAULT 100
#define IPHDR_RESERVED 0x8000
#define IPHDR_DONTFRAGMENT 0x4000
#define IPHDR_MOREFRAGMENTS 0x2000
#define IPHDR_FRAGOFFSET 0x01FFF
typedef struct ip_protodisp_s {
uint8_t protocol;
int (*cb)(void *ref,ebuf_t *buf,uint8_t *dst,uint8_t *src);
void *ref;
} ip_protodisp_t;
#define IP_MAX_PROTOCOLS 4
struct ip_info_s {
net_info_t net_info;
/* Ethernet info */
ether_info_t *eth_info;
/* Info specific to IP */
uint16_t ip_id;
int ip_port;
/* IP protocol dispatch table */
ip_protodisp_t ip_protocols[IP_MAX_PROTOCOLS];
/* Info specific to ARP */
arpentry_t *arp_table;
int arp_port;
uint8_t arp_hwaddr[ENET_ADDR_LEN];
};
|
