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02c18891 MM |
1 | /* |
2 | * PS3 Platfom gelic network driver. | |
3 | * | |
4 | * Copyright (C) 2007 Sony Computer Entertainment Inc. | |
5 | * Copyright 2006, 2007 Sony Corporation. | |
6 | * | |
7 | * This file is based on: spider_net.h | |
8 | * | |
9 | * (C) Copyright IBM Corp. 2005 | |
10 | * | |
11 | * Authors : Utz Bacher <utz.bacher@de.ibm.com> | |
12 | * Jens Osterkamp <Jens.Osterkamp@de.ibm.com> | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2, or (at your option) | |
17 | * any later version. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, write to the Free Software | |
26 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
27 | */ | |
28 | #ifndef _GELIC_NET_H | |
29 | #define _GELIC_NET_H | |
30 | ||
31 | #define GELIC_NET_DRV_NAME "Gelic Network Driver" | |
32 | #define GELIC_NET_DRV_VERSION "1.0" | |
33 | ||
34 | #define GELIC_NET_ETHTOOL /* use ethtool */ | |
35 | ||
36 | /* ioctl */ | |
37 | #define GELIC_NET_GET_MODE (SIOCDEVPRIVATE + 0) | |
38 | #define GELIC_NET_SET_MODE (SIOCDEVPRIVATE + 1) | |
39 | ||
40 | /* descriptors */ | |
41 | #define GELIC_NET_RX_DESCRIPTORS 128 /* num of descriptors */ | |
42 | #define GELIC_NET_TX_DESCRIPTORS 128 /* num of descriptors */ | |
43 | ||
44 | #define GELIC_NET_MAX_MTU 2308 | |
45 | #define GELIC_NET_MIN_MTU 64 | |
46 | #define GELIC_NET_RXBUF_ALIGN 128 | |
47 | #define GELIC_NET_RX_CSUM_DEFAULT 1 /* hw chksum */ | |
48 | #define GELIC_NET_WATCHDOG_TIMEOUT 5*HZ | |
49 | #define GELIC_NET_NAPI_WEIGHT (GELIC_NET_RX_DESCRIPTORS) | |
50 | #define GELIC_NET_BROADCAST_ADDR 0xffffffffffffL | |
51 | #define GELIC_NET_VLAN_POS (VLAN_ETH_ALEN * 2) | |
52 | #define GELIC_NET_VLAN_MAX 4 | |
53 | #define GELIC_NET_MC_COUNT_MAX 32 /* multicast address list */ | |
54 | ||
55 | enum gelic_net_int0_status { | |
56 | GELIC_NET_GDTDCEINT = 24, | |
57 | GELIC_NET_GRFANMINT = 28, | |
58 | }; | |
59 | ||
60 | /* GHIINT1STS bits */ | |
61 | enum gelic_net_int1_status { | |
62 | GELIC_NET_GDADCEINT = 14, | |
63 | }; | |
64 | ||
65 | /* interrupt mask */ | |
66 | #define GELIC_NET_TXINT (1L << (GELIC_NET_GDTDCEINT + 32)) | |
67 | ||
68 | #define GELIC_NET_RXINT0 (1L << (GELIC_NET_GRFANMINT + 32)) | |
69 | #define GELIC_NET_RXINT1 (1L << GELIC_NET_GDADCEINT) | |
70 | #define GELIC_NET_RXINT (GELIC_NET_RXINT0 | GELIC_NET_RXINT1) | |
71 | ||
72 | /* RX descriptor data_status bits */ | |
73 | #define GELIC_NET_RXDMADU 0x80000000 /* destination MAC addr unknown */ | |
74 | #define GELIC_NET_RXLSTFBF 0x40000000 /* last frame buffer */ | |
75 | #define GELIC_NET_RXIPCHK 0x20000000 /* IP checksum performed */ | |
76 | #define GELIC_NET_RXTCPCHK 0x10000000 /* TCP/UDP checksup performed */ | |
77 | #define GELIC_NET_RXIPSPKT 0x08000000 /* IPsec packet */ | |
78 | #define GELIC_NET_RXIPSAHPRT 0x04000000 /* IPsec AH protocol performed */ | |
79 | #define GELIC_NET_RXIPSESPPRT 0x02000000 /* IPsec ESP protocol performed */ | |
80 | #define GELIC_NET_RXSESPAH 0x01000000 /* | |
81 | * IPsec ESP protocol auth | |
82 | * performed | |
83 | */ | |
84 | ||
85 | #define GELIC_NET_RXWTPKT 0x00C00000 /* | |
86 | * wakeup trigger packet | |
87 | * 01: Magic Packet (TM) | |
88 | * 10: ARP packet | |
89 | * 11: Multicast MAC addr | |
90 | */ | |
91 | #define GELIC_NET_RXVLNPKT 0x00200000 /* VLAN packet */ | |
92 | /* bit 20..16 reserved */ | |
93 | #define GELIC_NET_RXRECNUM 0x0000ff00 /* reception receipt number */ | |
94 | /* bit 7..0 reserved */ | |
95 | ||
96 | #define GELIC_NET_TXDESC_TAIL 0 | |
97 | #define GELIC_NET_DATA_STATUS_CHK_MASK (GELIC_NET_RXIPCHK | GELIC_NET_RXTCPCHK) | |
98 | ||
99 | /* RX descriptor data_error bits */ | |
100 | /* bit 31 reserved */ | |
101 | #define GELIC_NET_RXALNERR 0x40000000 /* alignement error 10/100M */ | |
102 | #define GELIC_NET_RXOVERERR 0x20000000 /* oversize error */ | |
103 | #define GELIC_NET_RXRNTERR 0x10000000 /* Runt error */ | |
104 | #define GELIC_NET_RXIPCHKERR 0x08000000 /* IP checksum error */ | |
105 | #define GELIC_NET_RXTCPCHKERR 0x04000000 /* TCP/UDP checksum error */ | |
106 | #define GELIC_NET_RXUMCHSP 0x02000000 /* unmatched sp on sp */ | |
107 | #define GELIC_NET_RXUMCHSPI 0x01000000 /* unmatched SPI on SAD */ | |
108 | #define GELIC_NET_RXUMCHSAD 0x00800000 /* unmatched SAD */ | |
109 | #define GELIC_NET_RXIPSAHERR 0x00400000 /* auth error on AH protocol | |
110 | * processing */ | |
111 | #define GELIC_NET_RXIPSESPAHERR 0x00200000 /* auth error on ESP protocol | |
112 | * processing */ | |
113 | #define GELIC_NET_RXDRPPKT 0x00100000 /* drop packet */ | |
114 | #define GELIC_NET_RXIPFMTERR 0x00080000 /* IP packet format error */ | |
115 | /* bit 18 reserved */ | |
116 | #define GELIC_NET_RXDATAERR 0x00020000 /* IP packet format error */ | |
117 | #define GELIC_NET_RXCALERR 0x00010000 /* cariier extension length | |
118 | * error */ | |
119 | #define GELIC_NET_RXCREXERR 0x00008000 /* carrier extention error */ | |
120 | #define GELIC_NET_RXMLTCST 0x00004000 /* multicast address frame */ | |
121 | /* bit 13..0 reserved */ | |
122 | #define GELIC_NET_DATA_ERROR_CHK_MASK \ | |
123 | (GELIC_NET_RXIPCHKERR | GELIC_NET_RXTCPCHKERR) | |
124 | ||
125 | ||
126 | /* tx descriptor command and status */ | |
127 | #define GELIC_NET_DMAC_CMDSTAT_NOCS 0xa0080000 /* middle of frame */ | |
128 | #define GELIC_NET_DMAC_CMDSTAT_TCPCS 0xa00a0000 | |
129 | #define GELIC_NET_DMAC_CMDSTAT_UDPCS 0xa00b0000 | |
130 | #define GELIC_NET_DMAC_CMDSTAT_END_FRAME 0x00040000 /* end of frame */ | |
131 | ||
132 | #define GELIC_NET_DMAC_CMDSTAT_RXDCEIS 0x00000002 /* descriptor chain end | |
133 | * interrupt status */ | |
134 | ||
135 | #define GELIC_NET_DMAC_CMDSTAT_CHAIN_END 0x00000002 /* RXDCEIS:DMA stopped */ | |
136 | #define GELIC_NET_DMAC_CMDSTAT_NOT_IN_USE 0xb0000000 | |
137 | #define GELIC_NET_DESCR_IND_PROC_SHIFT 28 | |
138 | #define GELIC_NET_DESCR_IND_PROC_MASKO 0x0fffffff | |
139 | ||
140 | ||
141 | enum gelic_net_descr_status { | |
142 | GELIC_NET_DESCR_COMPLETE = 0x00, /* used in rx and tx */ | |
143 | GELIC_NET_DESCR_RESPONSE_ERROR = 0x01, /* used in rx and tx */ | |
144 | GELIC_NET_DESCR_PROTECTION_ERROR = 0x02, /* used in rx and tx */ | |
145 | GELIC_NET_DESCR_FRAME_END = 0x04, /* used in rx */ | |
146 | GELIC_NET_DESCR_FORCE_END = 0x05, /* used in rx and tx */ | |
147 | GELIC_NET_DESCR_CARDOWNED = 0x0a, /* used in rx and tx */ | |
148 | GELIC_NET_DESCR_NOT_IN_USE /* any other value */ | |
149 | }; | |
150 | /* for lv1_net_control */ | |
151 | #define GELIC_NET_GET_MAC_ADDRESS 0x0000000000000001 | |
152 | #define GELIC_NET_GET_ETH_PORT_STATUS 0x0000000000000002 | |
153 | #define GELIC_NET_SET_NEGOTIATION_MODE 0x0000000000000003 | |
154 | #define GELIC_NET_GET_VLAN_ID 0x0000000000000004 | |
155 | ||
156 | #define GELIC_NET_LINK_UP 0x0000000000000001 | |
157 | #define GELIC_NET_FULL_DUPLEX 0x0000000000000002 | |
158 | #define GELIC_NET_AUTO_NEG 0x0000000000000004 | |
159 | #define GELIC_NET_SPEED_10 0x0000000000000010 | |
160 | #define GELIC_NET_SPEED_100 0x0000000000000020 | |
161 | #define GELIC_NET_SPEED_1000 0x0000000000000040 | |
162 | ||
163 | #define GELIC_NET_VLAN_ALL 0x0000000000000001 | |
164 | #define GELIC_NET_VLAN_WIRED 0x0000000000000002 | |
165 | #define GELIC_NET_VLAN_WIRELESS 0x0000000000000003 | |
166 | #define GELIC_NET_VLAN_PSP 0x0000000000000004 | |
167 | #define GELIC_NET_VLAN_PORT0 0x0000000000000010 | |
168 | #define GELIC_NET_VLAN_PORT1 0x0000000000000011 | |
169 | #define GELIC_NET_VLAN_PORT2 0x0000000000000012 | |
170 | #define GELIC_NET_VLAN_DAEMON_CLIENT_BSS 0x0000000000000013 | |
171 | #define GELIC_NET_VLAN_LIBERO_CLIENT_BSS 0x0000000000000014 | |
172 | #define GELIC_NET_VLAN_NO_ENTRY -6 | |
173 | ||
174 | #define GELIC_NET_PORT 2 /* for port status */ | |
175 | ||
176 | /* size of hardware part of gelic descriptor */ | |
177 | #define GELIC_NET_DESCR_SIZE (32) | |
178 | struct gelic_net_descr { | |
179 | /* as defined by the hardware */ | |
180 | u32 buf_addr; | |
181 | u32 buf_size; | |
182 | u32 next_descr_addr; | |
183 | u32 dmac_cmd_status; | |
184 | u32 result_size; | |
185 | u32 valid_size; /* all zeroes for tx */ | |
186 | u32 data_status; | |
187 | u32 data_error; /* all zeroes for tx */ | |
188 | ||
189 | /* used in the driver */ | |
190 | struct sk_buff *skb; | |
191 | dma_addr_t bus_addr; | |
192 | struct gelic_net_descr *next; | |
193 | struct gelic_net_descr *prev; | |
194 | struct vlan_ethhdr vlan; | |
195 | } __attribute__((aligned(32))); | |
196 | ||
197 | struct gelic_net_descr_chain { | |
198 | /* we walk from tail to head */ | |
199 | struct gelic_net_descr *head; | |
200 | struct gelic_net_descr *tail; | |
201 | }; | |
202 | ||
203 | struct gelic_net_card { | |
204 | struct net_device *netdev; | |
205 | /* | |
206 | * hypervisor requires irq_status should be | |
207 | * 8 bytes aligned, but u64 member is | |
208 | * always disposed in that manner | |
209 | */ | |
210 | u64 irq_status; | |
211 | u64 ghiintmask; | |
212 | ||
213 | struct ps3_system_bus_device *dev; | |
214 | u32 vlan_id[GELIC_NET_VLAN_MAX]; | |
215 | int vlan_index; | |
216 | ||
217 | struct gelic_net_descr_chain tx_chain; | |
218 | struct gelic_net_descr_chain rx_chain; | |
219 | /* gurad dmac descriptor chain*/ | |
220 | spinlock_t chain_lock; | |
221 | ||
222 | struct net_device_stats netdev_stats; | |
223 | int rx_csum; | |
224 | /* guard tx_dma_progress */ | |
225 | spinlock_t tx_dma_lock; | |
226 | int tx_dma_progress; | |
227 | ||
228 | struct work_struct tx_timeout_task; | |
229 | atomic_t tx_timeout_task_counter; | |
230 | wait_queue_head_t waitq; | |
231 | ||
232 | struct gelic_net_descr *tx_top, *rx_top; | |
233 | struct gelic_net_descr descr[0]; | |
234 | }; | |
235 | ||
236 | ||
237 | extern unsigned long p_to_lp(long pa); | |
238 | ||
239 | #endif /* _GELIC_NET_H */ |