source: bootcd/isolinux/syslinux-6.03/gpxe/src/drivers/net/phantom/phantom_hw.h

Last change on this file was e16e8f2, checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago

bootstuff
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File size: 5.8 KB
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1#ifndef _PHANTOM_HW_H
2#define _PHANTOM_HW_H
3
4/*
5 * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
6 * Copyright (C) 2008 NetXen, Inc.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23FILE_LICENCE ( GPL2_OR_LATER );
24
25/**
26 * @file
27 *
28 * Phantom hardware definitions
29 *
30 */
31
32/** A Phantom RX descriptor */
33struct phantom_rds_pb {
34        pseudo_bit_t handle[16];                /**< Reference handle */
35        pseudo_bit_t flags[16];                 /**< Flags */
36        pseudo_bit_t length[32];                /**< Buffer length */
37
38        /* --------------------------------------------------------------- */
39
40        pseudo_bit_t dma_addr[64];              /**< Buffer DMA address */
41
42};
43
44/** A Phantom RX status descriptor */
45struct phantom_sds_pb {
46        pseudo_bit_t port[4];                   /**< Port number */
47        pseudo_bit_t status[4];                 /**< Checksum status */
48        pseudo_bit_t type[4];                   /**< Type */
49        pseudo_bit_t total_length[16];          /**< Total packet length */
50        pseudo_bit_t handle[16];                /**< Reference handle */
51        pseudo_bit_t protocol[4];               /**< Protocol */
52        pseudo_bit_t pkt_offset[5];             /**< Offset to packet start */
53        pseudo_bit_t desc_cnt[3];               /**< Descriptor count */
54        pseudo_bit_t owner[2];                  /**< Owner */
55        pseudo_bit_t opcode[6];                 /**< Opcode */
56
57        /* --------------------------------------------------------------- */
58
59        pseudo_bit_t hash_value[32];            /**< RSS hash value */
60        pseudo_bit_t hash_type[8];              /**< RSS hash type */
61        pseudo_bit_t lro[8];                    /**< LRO data */
62};
63
64/** Phantom RX status opcodes */
65enum phantom_sds_opcode {
66        UNM_SYN_OFFLOAD = 0x03,
67        UNM_RXPKT_DESC = 0x04,
68};
69
70/** A Phantom TX descriptor */
71struct phantom_tx_cds_pb {
72        pseudo_bit_t tcp_hdr_offset[8];         /**< TCP header offset (LSO) */
73        pseudo_bit_t ip_hdr_offset[8];          /**< IP header offset (LSO) */
74        pseudo_bit_t flags[7];                  /**< Flags */
75        pseudo_bit_t opcode[6];                 /**< Opcode */
76        pseudo_bit_t hw_rsvd_0[3];              /**< (Reserved) */
77        pseudo_bit_t num_buffers[8];            /**< Total number of buffers */
78        pseudo_bit_t length[24];                /**< Total length */
79
80        /* --------------------------------------------------------------- */
81
82        pseudo_bit_t buffer2_dma_addr[64];      /**< Buffer 2 DMA address */
83
84        /* --------------------------------------------------------------- */
85
86        pseudo_bit_t handle[16];                /**< Reference handle (n/a) */
87        pseudo_bit_t port_mss[16];              /**< TCP MSS (LSO) */
88        pseudo_bit_t port[4];                   /**< Port */
89        pseudo_bit_t context_id[4];             /**< Context ID */
90        pseudo_bit_t total_hdr_length[8];       /**< MAC+IP+TCP header (LSO) */
91        pseudo_bit_t conn_id[16];               /**< IPSec connection ID */
92
93        /* --------------------------------------------------------------- */
94
95        pseudo_bit_t buffer3_dma_addr[64];      /**< Buffer 3 DMA address */
96
97        /* --------------------------------------------------------------- */
98
99        pseudo_bit_t buffer1_dma_addr[64];      /**< Buffer 1 DMA address */
100
101        /* --------------------------------------------------------------- */
102
103        pseudo_bit_t buffer1_length[16];        /**< Buffer 1 length */
104        pseudo_bit_t buffer2_length[16];        /**< Buffer 2 length */
105        pseudo_bit_t buffer3_length[16];        /**< Buffer 3 length */
106        pseudo_bit_t buffer4_length[16];        /**< Buffer 4 length */
107
108        /* --------------------------------------------------------------- */
109
110        pseudo_bit_t buffer4_dma_addr[64];      /**< Buffer 4 DMA address */
111
112        /* --------------------------------------------------------------- */
113
114        pseudo_bit_t hw_rsvd_1[64];             /**< (Reserved) */
115};
116
117/** A Phantom MAC address request body */
118struct phantom_nic_request_body_mac_request_pb {
119        pseudo_bit_t opcode[8];                 /**< Opcode */
120        pseudo_bit_t tag[8];                    /**< Tag */
121        pseudo_bit_t mac_addr_0[8];             /**< MAC address byte 0 */
122        pseudo_bit_t mac_addr_1[8];             /**< MAC address byte 1 */
123        pseudo_bit_t mac_addr_2[8];             /**< MAC address byte 2 */
124        pseudo_bit_t mac_addr_3[8];             /**< MAC address byte 3 */
125        pseudo_bit_t mac_addr_4[8];             /**< MAC address byte 4 */
126        pseudo_bit_t mac_addr_5[8];             /**< MAC address byte 5 */
127};
128
129/** Phantom MAC request opcodes */
130enum phantom_mac_request_opcode {
131        UNM_MAC_ADD = 0x01,                     /**< Add MAC address */
132        UNM_MAC_DEL = 0x02,                     /**< Delete MAC address */
133};
134
135/** A Phantom NIC request command descriptor */
136struct phantom_nic_request_cds_pb {
137        struct {
138                pseudo_bit_t dst_minor[18];
139                pseudo_bit_t dst_subq[1];
140                pseudo_bit_t dst_major[4];
141                pseudo_bit_t opcode[6];
142                pseudo_bit_t hw_rsvd_0[3];
143                pseudo_bit_t msginfo[24];
144                pseudo_bit_t hw_rsvd_1[2];
145                pseudo_bit_t qmsg_type[6];
146        } common;
147
148        /* --------------------------------------------------------------- */
149
150        struct {
151                pseudo_bit_t opcode[8];
152                pseudo_bit_t comp_id [8];
153                pseudo_bit_t context_id[16];
154                pseudo_bit_t need_completion[1];
155                pseudo_bit_t hw_rsvd_0[23];
156                pseudo_bit_t sub_opcode[8];
157        } header;
158
159        /* --------------------------------------------------------------- */
160
161        union {
162                struct phantom_nic_request_body_mac_request_pb mac_request;
163                pseudo_bit_t padding[384];
164        } body;
165};
166
167/** Phantom NIC request opcodes */
168enum phantom_nic_request_opcode {
169        UNM_MAC_EVENT = 0x01,                   /**< Add/delete MAC address */
170};
171
172/** A Phantom command descriptor */
173union phantom_cds_pb {
174        struct phantom_tx_cds_pb tx;
175        struct phantom_nic_request_cds_pb nic_request;
176};
177
178/** Phantom command descriptor opcodes */
179enum phantom_cds_opcode {
180        UNM_TX_ETHER_PKT = 0x01,                /**< Transmit raw Ethernet */
181        UNM_NIC_REQUEST = 0x14,                 /**< NIC request */
182};
183
184#endif /* _PHANTOM_HW_H */
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