Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __QETH_H__ |
| 2 | #define __QETH_H__ |
| 3 | |
| 4 | #include <linux/if.h> |
| 5 | #include <linux/if_arp.h> |
| 6 | |
| 7 | #include <linux/if_tr.h> |
| 8 | #include <linux/trdevice.h> |
| 9 | #include <linux/etherdevice.h> |
| 10 | #include <linux/if_vlan.h> |
Frank Pavlic | bd389b9 | 2005-11-10 13:49:02 +0100 | [diff] [blame] | 11 | #include <linux/ctype.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
| 13 | #include <net/ipv6.h> |
| 14 | #include <linux/in6.h> |
| 15 | #include <net/if_inet6.h> |
| 16 | #include <net/addrconf.h> |
| 17 | |
| 18 | |
| 19 | #include <linux/bitops.h> |
| 20 | |
| 21 | #include <asm/debug.h> |
| 22 | #include <asm/qdio.h> |
| 23 | #include <asm/ccwdev.h> |
| 24 | #include <asm/ccwgroup.h> |
| 25 | |
| 26 | #include "qeth_mpc.h" |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #ifdef CONFIG_QETH_IPV6 |
| 29 | #define QETH_VERSION_IPV6 ":IPv6" |
| 30 | #else |
| 31 | #define QETH_VERSION_IPV6 "" |
| 32 | #endif |
| 33 | #ifdef CONFIG_QETH_VLAN |
| 34 | #define QETH_VERSION_VLAN ":VLAN" |
| 35 | #else |
| 36 | #define QETH_VERSION_VLAN "" |
| 37 | #endif |
| 38 | |
| 39 | /** |
| 40 | * Debug Facility stuff |
| 41 | */ |
| 42 | #define QETH_DBF_SETUP_NAME "qeth_setup" |
| 43 | #define QETH_DBF_SETUP_LEN 8 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 44 | #define QETH_DBF_SETUP_PAGES 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #define QETH_DBF_SETUP_NR_AREAS 1 |
| 46 | #define QETH_DBF_SETUP_LEVEL 5 |
| 47 | |
| 48 | #define QETH_DBF_MISC_NAME "qeth_misc" |
| 49 | #define QETH_DBF_MISC_LEN 128 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 50 | #define QETH_DBF_MISC_PAGES 2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | #define QETH_DBF_MISC_NR_AREAS 1 |
| 52 | #define QETH_DBF_MISC_LEVEL 2 |
| 53 | |
| 54 | #define QETH_DBF_DATA_NAME "qeth_data" |
| 55 | #define QETH_DBF_DATA_LEN 96 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 56 | #define QETH_DBF_DATA_PAGES 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | #define QETH_DBF_DATA_NR_AREAS 1 |
| 58 | #define QETH_DBF_DATA_LEVEL 2 |
| 59 | |
| 60 | #define QETH_DBF_CONTROL_NAME "qeth_control" |
| 61 | #define QETH_DBF_CONTROL_LEN 256 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 62 | #define QETH_DBF_CONTROL_PAGES 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | #define QETH_DBF_CONTROL_NR_AREAS 2 |
| 64 | #define QETH_DBF_CONTROL_LEVEL 5 |
| 65 | |
| 66 | #define QETH_DBF_TRACE_NAME "qeth_trace" |
| 67 | #define QETH_DBF_TRACE_LEN 8 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 68 | #define QETH_DBF_TRACE_PAGES 4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | #define QETH_DBF_TRACE_NR_AREAS 2 |
| 70 | #define QETH_DBF_TRACE_LEVEL 3 |
| 71 | extern debug_info_t *qeth_dbf_trace; |
| 72 | |
| 73 | #define QETH_DBF_SENSE_NAME "qeth_sense" |
| 74 | #define QETH_DBF_SENSE_LEN 64 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 75 | #define QETH_DBF_SENSE_PAGES 2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | #define QETH_DBF_SENSE_NR_AREAS 1 |
| 77 | #define QETH_DBF_SENSE_LEVEL 2 |
| 78 | |
| 79 | #define QETH_DBF_QERR_NAME "qeth_qerr" |
| 80 | #define QETH_DBF_QERR_LEN 8 |
Michael Holzheu | 66a464d | 2005-06-25 14:55:33 -0700 | [diff] [blame] | 81 | #define QETH_DBF_QERR_PAGES 2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | #define QETH_DBF_QERR_NR_AREAS 2 |
| 83 | #define QETH_DBF_QERR_LEVEL 2 |
| 84 | |
| 85 | #define QETH_DBF_TEXT(name,level,text) \ |
| 86 | do { \ |
| 87 | debug_text_event(qeth_dbf_##name,level,text); \ |
| 88 | } while (0) |
| 89 | |
| 90 | #define QETH_DBF_HEX(name,level,addr,len) \ |
| 91 | do { \ |
| 92 | debug_event(qeth_dbf_##name,level,(void*)(addr),len); \ |
| 93 | } while (0) |
| 94 | |
| 95 | DECLARE_PER_CPU(char[256], qeth_dbf_txt_buf); |
| 96 | |
| 97 | #define QETH_DBF_TEXT_(name,level,text...) \ |
| 98 | do { \ |
| 99 | char* dbf_txt_buf = get_cpu_var(qeth_dbf_txt_buf); \ |
| 100 | sprintf(dbf_txt_buf, text); \ |
| 101 | debug_text_event(qeth_dbf_##name,level,dbf_txt_buf); \ |
| 102 | put_cpu_var(qeth_dbf_txt_buf); \ |
| 103 | } while (0) |
| 104 | |
| 105 | #define QETH_DBF_SPRINTF(name,level,text...) \ |
| 106 | do { \ |
| 107 | debug_sprintf_event(qeth_dbf_trace, level, ##text ); \ |
| 108 | debug_sprintf_event(qeth_dbf_trace, level, text ); \ |
| 109 | } while (0) |
| 110 | |
| 111 | /** |
| 112 | * some more debug stuff |
| 113 | */ |
| 114 | #define PRINTK_HEADER "qeth: " |
| 115 | |
| 116 | #define HEXDUMP16(importance,header,ptr) \ |
| 117 | PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ |
| 118 | "%02x %02x %02x %02x %02x %02x %02x %02x\n", \ |
| 119 | *(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \ |
| 120 | *(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \ |
| 121 | *(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \ |
| 122 | *(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \ |
| 123 | *(((char*)ptr)+12),*(((char*)ptr)+13), \ |
| 124 | *(((char*)ptr)+14),*(((char*)ptr)+15)); \ |
| 125 | PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ |
| 126 | "%02x %02x %02x %02x %02x %02x %02x %02x\n", \ |
| 127 | *(((char*)ptr)+16),*(((char*)ptr)+17), \ |
| 128 | *(((char*)ptr)+18),*(((char*)ptr)+19), \ |
| 129 | *(((char*)ptr)+20),*(((char*)ptr)+21), \ |
| 130 | *(((char*)ptr)+22),*(((char*)ptr)+23), \ |
| 131 | *(((char*)ptr)+24),*(((char*)ptr)+25), \ |
| 132 | *(((char*)ptr)+26),*(((char*)ptr)+27), \ |
| 133 | *(((char*)ptr)+28),*(((char*)ptr)+29), \ |
| 134 | *(((char*)ptr)+30),*(((char*)ptr)+31)); |
| 135 | |
| 136 | static inline void |
| 137 | qeth_hex_dump(unsigned char *buf, size_t len) |
| 138 | { |
| 139 | size_t i; |
| 140 | |
| 141 | for (i = 0; i < len; i++) { |
| 142 | if (i && !(i % 16)) |
| 143 | printk("\n"); |
| 144 | printk("%02x ", *(buf + i)); |
| 145 | } |
| 146 | printk("\n"); |
| 147 | } |
| 148 | |
| 149 | #define SENSE_COMMAND_REJECT_BYTE 0 |
| 150 | #define SENSE_COMMAND_REJECT_FLAG 0x80 |
| 151 | #define SENSE_RESETTING_EVENT_BYTE 1 |
| 152 | #define SENSE_RESETTING_EVENT_FLAG 0x80 |
| 153 | |
| 154 | #define atomic_swap(a,b) xchg((int *)a.counter, b) |
| 155 | |
| 156 | /* |
| 157 | * Common IO related definitions |
| 158 | */ |
| 159 | extern struct device *qeth_root_dev; |
| 160 | extern struct ccw_driver qeth_ccw_driver; |
| 161 | extern struct ccwgroup_driver qeth_ccwgroup_driver; |
| 162 | |
| 163 | #define CARD_RDEV(card) card->read.ccwdev |
| 164 | #define CARD_WDEV(card) card->write.ccwdev |
| 165 | #define CARD_DDEV(card) card->data.ccwdev |
| 166 | #define CARD_BUS_ID(card) card->gdev->dev.bus_id |
| 167 | #define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id |
| 168 | #define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id |
| 169 | #define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id |
| 170 | #define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id |
| 171 | |
| 172 | #define CARD_FROM_CDEV(cdev) (struct qeth_card *) \ |
| 173 | ((struct ccwgroup_device *)cdev->dev.driver_data)\ |
| 174 | ->dev.driver_data; |
| 175 | |
| 176 | /** |
| 177 | * card stuff |
| 178 | */ |
| 179 | #ifdef CONFIG_QETH_PERF_STATS |
| 180 | struct qeth_perf_stats { |
| 181 | unsigned int bufs_rec; |
| 182 | unsigned int bufs_sent; |
| 183 | |
| 184 | unsigned int skbs_sent_pack; |
| 185 | unsigned int bufs_sent_pack; |
| 186 | |
| 187 | unsigned int sc_dp_p; |
| 188 | unsigned int sc_p_dp; |
| 189 | /* qdio_input_handler: number of times called, time spent in */ |
| 190 | __u64 inbound_start_time; |
| 191 | unsigned int inbound_cnt; |
| 192 | unsigned int inbound_time; |
| 193 | /* qeth_send_packet: number of times called, time spent in */ |
| 194 | __u64 outbound_start_time; |
| 195 | unsigned int outbound_cnt; |
| 196 | unsigned int outbound_time; |
| 197 | /* qdio_output_handler: number of times called, time spent in */ |
| 198 | __u64 outbound_handler_start_time; |
| 199 | unsigned int outbound_handler_cnt; |
| 200 | unsigned int outbound_handler_time; |
| 201 | /* number of calls to and time spent in do_QDIO for inbound queue */ |
| 202 | __u64 inbound_do_qdio_start_time; |
| 203 | unsigned int inbound_do_qdio_cnt; |
| 204 | unsigned int inbound_do_qdio_time; |
| 205 | /* number of calls to and time spent in do_QDIO for outbound queues */ |
| 206 | __u64 outbound_do_qdio_start_time; |
| 207 | unsigned int outbound_do_qdio_cnt; |
| 208 | unsigned int outbound_do_qdio_time; |
| 209 | /* eddp data */ |
| 210 | unsigned int large_send_bytes; |
| 211 | unsigned int large_send_cnt; |
| 212 | unsigned int sg_skbs_sent; |
| 213 | unsigned int sg_frags_sent; |
| 214 | }; |
| 215 | #endif /* CONFIG_QETH_PERF_STATS */ |
| 216 | |
| 217 | /* Routing stuff */ |
| 218 | struct qeth_routing_info { |
| 219 | enum qeth_routing_types type; |
| 220 | }; |
| 221 | |
| 222 | /* IPA stuff */ |
| 223 | struct qeth_ipa_info { |
| 224 | __u32 supported_funcs; |
| 225 | __u32 enabled_funcs; |
| 226 | }; |
| 227 | |
| 228 | static inline int |
| 229 | qeth_is_ipa_supported(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) |
| 230 | { |
| 231 | return (ipa->supported_funcs & func); |
| 232 | } |
| 233 | |
| 234 | static inline int |
| 235 | qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) |
| 236 | { |
| 237 | return (ipa->supported_funcs & ipa->enabled_funcs & func); |
| 238 | } |
| 239 | |
| 240 | #define qeth_adp_supported(c,f) \ |
| 241 | qeth_is_ipa_supported(&c->options.adp, f) |
| 242 | #define qeth_adp_enabled(c,f) \ |
| 243 | qeth_is_ipa_enabled(&c->options.adp, f) |
| 244 | #define qeth_is_supported(c,f) \ |
| 245 | qeth_is_ipa_supported(&c->options.ipa4, f) |
| 246 | #define qeth_is_enabled(c,f) \ |
| 247 | qeth_is_ipa_enabled(&c->options.ipa4, f) |
| 248 | #ifdef CONFIG_QETH_IPV6 |
| 249 | #define qeth_is_supported6(c,f) \ |
| 250 | qeth_is_ipa_supported(&c->options.ipa6, f) |
| 251 | #define qeth_is_enabled6(c,f) \ |
| 252 | qeth_is_ipa_enabled(&c->options.ipa6, f) |
| 253 | #else /* CONFIG_QETH_IPV6 */ |
| 254 | #define qeth_is_supported6(c,f) 0 |
| 255 | #define qeth_is_enabled6(c,f) 0 |
| 256 | #endif /* CONFIG_QETH_IPV6 */ |
| 257 | #define qeth_is_ipafunc_supported(c,prot,f) \ |
| 258 | (prot==QETH_PROT_IPV6)? qeth_is_supported6(c,f):qeth_is_supported(c,f) |
| 259 | #define qeth_is_ipafunc_enabled(c,prot,f) \ |
| 260 | (prot==QETH_PROT_IPV6)? qeth_is_enabled6(c,f):qeth_is_enabled(c,f) |
| 261 | |
| 262 | |
| 263 | #define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101 |
| 264 | #define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101 |
| 265 | #define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108 |
| 266 | #define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108 |
| 267 | |
| 268 | #define QETH_MODELLIST_ARRAY \ |
| 269 | {{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \ |
| 270 | QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ |
| 271 | QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ |
| 272 | QETH_MAX_QUEUES,0}, \ |
| 273 | {0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \ |
| 274 | QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \ |
| 275 | QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \ |
| 276 | QETH_MAX_QUEUES,0x103}, \ |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 277 | {0x1731,0x06,0x1732,0x06,QETH_CARD_TYPE_OSN,0, \ |
| 278 | QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \ |
| 279 | QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \ |
| 280 | QETH_MAX_QUEUES,0}, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | {0,0,0,0,0,0,0,0,0}} |
| 282 | |
| 283 | #define QETH_REAL_CARD 1 |
| 284 | #define QETH_VLAN_CARD 2 |
| 285 | #define QETH_BUFSIZE 4096 |
| 286 | |
| 287 | /** |
| 288 | * some more defs |
| 289 | */ |
| 290 | #define IF_NAME_LEN 16 |
| 291 | #define QETH_TX_TIMEOUT 100 * HZ |
| 292 | #define QETH_HEADER_SIZE 32 |
| 293 | #define MAX_PORTNO 15 |
Frank Pavlic | e23dd9c | 2005-05-12 20:38:11 +0200 | [diff] [blame] | 294 | #define QETH_FAKE_LL_LEN_ETH ETH_HLEN |
| 295 | #define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | #define QETH_FAKE_LL_V6_ADDR_POS 24 |
| 297 | |
| 298 | /*IPv6 address autoconfiguration stuff*/ |
| 299 | #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe |
| 300 | #define UNIQUE_ID_NOT_BY_CARD 0x10000 |
| 301 | |
| 302 | /*****************************************************************************/ |
| 303 | /* QDIO queue and buffer handling */ |
| 304 | /*****************************************************************************/ |
| 305 | #define QETH_MAX_QUEUES 4 |
| 306 | #define QETH_IN_BUF_SIZE_DEFAULT 65536 |
| 307 | #define QETH_IN_BUF_COUNT_DEFAULT 16 |
| 308 | #define QETH_IN_BUF_COUNT_MIN 8 |
| 309 | #define QETH_IN_BUF_COUNT_MAX 128 |
| 310 | #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) |
| 311 | #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ |
| 312 | ((card)->qdio.in_buf_pool.buf_count / 2) |
| 313 | |
| 314 | /* buffers we have to be behind before we get a PCI */ |
| 315 | #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) |
| 316 | /*enqueued free buffers left before we get a PCI*/ |
| 317 | #define QETH_PCI_THRESHOLD_B(card) 0 |
| 318 | /*not used unless the microcode gets patched*/ |
| 319 | #define QETH_PCI_TIMER_VALUE(card) 3 |
| 320 | |
| 321 | #define QETH_MIN_INPUT_THRESHOLD 1 |
| 322 | #define QETH_MAX_INPUT_THRESHOLD 500 |
| 323 | #define QETH_MIN_OUTPUT_THRESHOLD 1 |
| 324 | #define QETH_MAX_OUTPUT_THRESHOLD 300 |
| 325 | |
| 326 | /* priority queing */ |
| 327 | #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING |
| 328 | #define QETH_DEFAULT_QUEUE 2 |
| 329 | #define QETH_NO_PRIO_QUEUEING 0 |
| 330 | #define QETH_PRIO_Q_ING_PREC 1 |
| 331 | #define QETH_PRIO_Q_ING_TOS 2 |
| 332 | #define IP_TOS_LOWDELAY 0x10 |
| 333 | #define IP_TOS_HIGHTHROUGHPUT 0x08 |
| 334 | #define IP_TOS_HIGHRELIABILITY 0x04 |
| 335 | #define IP_TOS_NOTIMPORTANT 0x02 |
| 336 | |
| 337 | /* Packing */ |
| 338 | #define QETH_LOW_WATERMARK_PACK 2 |
| 339 | #define QETH_HIGH_WATERMARK_PACK 5 |
| 340 | #define QETH_WATERMARK_PACK_FUZZ 1 |
| 341 | |
| 342 | #define QETH_IP_HEADER_SIZE 40 |
| 343 | |
| 344 | struct qeth_hdr_layer3 { |
| 345 | __u8 id; |
| 346 | __u8 flags; |
| 347 | __u16 inbound_checksum; /*TSO:__u16 seqno */ |
| 348 | __u32 token; /*TSO: __u32 reserved */ |
| 349 | __u16 length; |
| 350 | __u8 vlan_prio; |
| 351 | __u8 ext_flags; |
| 352 | __u16 vlan_id; |
| 353 | __u16 frame_offset; |
| 354 | __u8 dest_addr[16]; |
| 355 | } __attribute__ ((packed)); |
| 356 | |
| 357 | struct qeth_hdr_layer2 { |
| 358 | __u8 id; |
| 359 | __u8 flags[3]; |
| 360 | __u8 port_no; |
| 361 | __u8 hdr_length; |
| 362 | __u16 pkt_length; |
| 363 | __u16 seq_no; |
| 364 | __u16 vlan_id; |
| 365 | __u32 reserved; |
| 366 | __u8 reserved2[16]; |
| 367 | } __attribute__ ((packed)); |
| 368 | |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 369 | struct qeth_hdr_osn { |
| 370 | __u8 id; |
| 371 | __u8 reserved; |
| 372 | __u16 seq_no; |
| 373 | __u16 reserved2; |
| 374 | __u16 control_flags; |
| 375 | __u16 pdu_length; |
| 376 | __u8 reserved3[18]; |
| 377 | __u32 ccid; |
| 378 | } __attribute__ ((packed)); |
| 379 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | struct qeth_hdr { |
| 381 | union { |
| 382 | struct qeth_hdr_layer2 l2; |
| 383 | struct qeth_hdr_layer3 l3; |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 384 | struct qeth_hdr_osn osn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | } hdr; |
| 386 | } __attribute__ ((packed)); |
| 387 | |
Frank Pavlic | 05e08a2 | 2005-05-12 20:39:09 +0200 | [diff] [blame] | 388 | /*TCP Segmentation Offload header*/ |
| 389 | struct qeth_hdr_ext_tso { |
| 390 | __u16 hdr_tot_len; |
| 391 | __u8 imb_hdr_no; |
| 392 | __u8 reserved; |
| 393 | __u8 hdr_type; |
| 394 | __u8 hdr_version; |
| 395 | __u16 hdr_len; |
| 396 | __u32 payload_len; |
| 397 | __u16 mss; |
| 398 | __u16 dg_hdr_len; |
| 399 | __u8 padding[16]; |
| 400 | } __attribute__ ((packed)); |
| 401 | |
| 402 | struct qeth_hdr_tso { |
| 403 | struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ |
| 404 | struct qeth_hdr_ext_tso ext; |
| 405 | } __attribute__ ((packed)); |
| 406 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | |
| 408 | /* flags for qeth_hdr.flags */ |
| 409 | #define QETH_HDR_PASSTHRU 0x10 |
| 410 | #define QETH_HDR_IPV6 0x80 |
| 411 | #define QETH_HDR_CAST_MASK 0x07 |
| 412 | enum qeth_cast_flags { |
| 413 | QETH_CAST_UNICAST = 0x06, |
| 414 | QETH_CAST_MULTICAST = 0x04, |
| 415 | QETH_CAST_BROADCAST = 0x05, |
| 416 | QETH_CAST_ANYCAST = 0x07, |
| 417 | QETH_CAST_NOCAST = 0x00, |
| 418 | }; |
| 419 | |
| 420 | enum qeth_layer2_frame_flags { |
| 421 | QETH_LAYER2_FLAG_MULTICAST = 0x01, |
| 422 | QETH_LAYER2_FLAG_BROADCAST = 0x02, |
| 423 | QETH_LAYER2_FLAG_UNICAST = 0x04, |
| 424 | QETH_LAYER2_FLAG_VLAN = 0x10, |
| 425 | }; |
| 426 | |
| 427 | enum qeth_header_ids { |
| 428 | QETH_HEADER_TYPE_LAYER3 = 0x01, |
| 429 | QETH_HEADER_TYPE_LAYER2 = 0x02, |
| 430 | QETH_HEADER_TYPE_TSO = 0x03, |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 431 | QETH_HEADER_TYPE_OSN = 0x04, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | }; |
| 433 | /* flags for qeth_hdr.ext_flags */ |
| 434 | #define QETH_HDR_EXT_VLAN_FRAME 0x01 |
| 435 | #define QETH_HDR_EXT_TOKEN_ID 0x02 |
| 436 | #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 |
| 437 | #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 |
| 438 | #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 |
| 439 | #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 |
| 440 | #define QETH_HDR_EXT_UDP_TSO 0x40 /*bit off for TCP*/ |
| 441 | |
| 442 | static inline int |
| 443 | qeth_is_last_sbale(struct qdio_buffer_element *sbale) |
| 444 | { |
| 445 | return (sbale->flags & SBAL_FLAGS_LAST_ENTRY); |
| 446 | } |
| 447 | |
| 448 | enum qeth_qdio_buffer_states { |
| 449 | /* |
| 450 | * inbound: read out by driver; owned by hardware in order to be filled |
| 451 | * outbound: owned by driver in order to be filled |
| 452 | */ |
| 453 | QETH_QDIO_BUF_EMPTY, |
| 454 | /* |
| 455 | * inbound: filled by hardware; owned by driver in order to be read out |
| 456 | * outbound: filled by driver; owned by hardware in order to be sent |
| 457 | */ |
| 458 | QETH_QDIO_BUF_PRIMED, |
| 459 | }; |
| 460 | |
| 461 | enum qeth_qdio_info_states { |
| 462 | QETH_QDIO_UNINITIALIZED, |
| 463 | QETH_QDIO_ALLOCATED, |
| 464 | QETH_QDIO_ESTABLISHED, |
| 465 | }; |
| 466 | |
| 467 | struct qeth_buffer_pool_entry { |
| 468 | struct list_head list; |
| 469 | struct list_head init_list; |
| 470 | void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; |
| 471 | }; |
| 472 | |
| 473 | struct qeth_qdio_buffer_pool { |
| 474 | struct list_head entry_list; |
| 475 | int buf_count; |
| 476 | }; |
| 477 | |
| 478 | struct qeth_qdio_buffer { |
| 479 | struct qdio_buffer *buffer; |
| 480 | volatile enum qeth_qdio_buffer_states state; |
| 481 | /* the buffer pool entry currently associated to this buffer */ |
| 482 | struct qeth_buffer_pool_entry *pool_entry; |
| 483 | }; |
| 484 | |
| 485 | struct qeth_qdio_q { |
| 486 | struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 487 | struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 488 | /* |
| 489 | * buf_to_init means "buffer must be initialized by driver and must |
| 490 | * be made available for hardware" -> state is set to EMPTY |
| 491 | */ |
| 492 | volatile int next_buf_to_init; |
| 493 | } __attribute__ ((aligned(256))); |
| 494 | |
| 495 | /* possible types of qeth large_send support */ |
| 496 | enum qeth_large_send_types { |
| 497 | QETH_LARGE_SEND_NO, |
| 498 | QETH_LARGE_SEND_EDDP, |
| 499 | QETH_LARGE_SEND_TSO, |
| 500 | }; |
| 501 | |
| 502 | struct qeth_qdio_out_buffer { |
| 503 | struct qdio_buffer *buffer; |
| 504 | atomic_t state; |
| 505 | volatile int next_element_to_fill; |
| 506 | struct sk_buff_head skb_list; |
| 507 | struct list_head ctx_list; |
| 508 | }; |
| 509 | |
| 510 | struct qeth_card; |
| 511 | |
| 512 | enum qeth_out_q_states { |
| 513 | QETH_OUT_Q_UNLOCKED, |
| 514 | QETH_OUT_Q_LOCKED, |
| 515 | QETH_OUT_Q_LOCKED_FLUSH, |
| 516 | }; |
| 517 | |
| 518 | struct qeth_qdio_out_q { |
| 519 | struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 520 | struct qeth_qdio_out_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 521 | int queue_no; |
| 522 | struct qeth_card *card; |
| 523 | atomic_t state; |
| 524 | volatile int do_pack; |
| 525 | /* |
| 526 | * index of buffer to be filled by driver; state EMPTY or PACKING |
| 527 | */ |
| 528 | volatile int next_buf_to_fill; |
| 529 | /* |
| 530 | * number of buffers that are currently filled (PRIMED) |
| 531 | * -> these buffers are hardware-owned |
| 532 | */ |
| 533 | atomic_t used_buffers; |
| 534 | /* indicates whether PCI flag must be set (or if one is outstanding) */ |
| 535 | atomic_t set_pci_flags_count; |
| 536 | } __attribute__ ((aligned(256))); |
| 537 | |
| 538 | struct qeth_qdio_info { |
| 539 | volatile enum qeth_qdio_info_states state; |
| 540 | /* input */ |
| 541 | struct qeth_qdio_q *in_q; |
| 542 | struct qeth_qdio_buffer_pool in_buf_pool; |
| 543 | struct qeth_qdio_buffer_pool init_pool; |
| 544 | int in_buf_size; |
| 545 | |
| 546 | /* output */ |
| 547 | int no_out_queues; |
| 548 | struct qeth_qdio_out_q **out_qs; |
| 549 | |
| 550 | /* priority queueing */ |
| 551 | int do_prio_queueing; |
| 552 | int default_out_queue; |
| 553 | }; |
| 554 | |
| 555 | enum qeth_send_errors { |
| 556 | QETH_SEND_ERROR_NONE, |
| 557 | QETH_SEND_ERROR_LINK_FAILURE, |
| 558 | QETH_SEND_ERROR_RETRY, |
| 559 | QETH_SEND_ERROR_KICK_IT, |
| 560 | }; |
| 561 | |
| 562 | #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ |
| 563 | #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ |
| 564 | /* tr mc mac is longer, but that will be enough to detect mc frames */ |
| 565 | #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ |
| 566 | #define QETH_TR_MAC_C 0x0300 /* canonical */ |
| 567 | |
| 568 | #define DEFAULT_ADD_HHLEN 0 |
| 569 | #define MAX_ADD_HHLEN 1024 |
| 570 | |
| 571 | /** |
| 572 | * buffer stuff for read channel |
| 573 | */ |
| 574 | #define QETH_CMD_BUFFER_NO 8 |
| 575 | |
| 576 | /** |
| 577 | * channel state machine |
| 578 | */ |
| 579 | enum qeth_channel_states { |
| 580 | CH_STATE_UP, |
| 581 | CH_STATE_DOWN, |
| 582 | CH_STATE_ACTIVATING, |
| 583 | CH_STATE_HALTED, |
| 584 | CH_STATE_STOPPED, |
| 585 | }; |
| 586 | /** |
| 587 | * card state machine |
| 588 | */ |
| 589 | enum qeth_card_states { |
| 590 | CARD_STATE_DOWN, |
| 591 | CARD_STATE_HARDSETUP, |
| 592 | CARD_STATE_SOFTSETUP, |
| 593 | CARD_STATE_UP, |
| 594 | CARD_STATE_RECOVER, |
| 595 | }; |
| 596 | |
| 597 | /** |
| 598 | * Protocol versions |
| 599 | */ |
| 600 | enum qeth_prot_versions { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | QETH_PROT_IPV4 = 0x0004, |
| 602 | QETH_PROT_IPV6 = 0x0006, |
| 603 | }; |
| 604 | |
| 605 | enum qeth_ip_types { |
| 606 | QETH_IP_TYPE_NORMAL, |
| 607 | QETH_IP_TYPE_VIPA, |
| 608 | QETH_IP_TYPE_RXIP, |
| 609 | QETH_IP_TYPE_DEL_ALL_MC, |
| 610 | }; |
| 611 | |
| 612 | enum qeth_cmd_buffer_state { |
| 613 | BUF_STATE_FREE, |
| 614 | BUF_STATE_LOCKED, |
| 615 | BUF_STATE_PROCESSED, |
| 616 | }; |
| 617 | /** |
| 618 | * IP address and multicast list |
| 619 | */ |
| 620 | struct qeth_ipaddr { |
| 621 | struct list_head entry; |
| 622 | enum qeth_ip_types type; |
| 623 | enum qeth_ipa_setdelip_flags set_flags; |
| 624 | enum qeth_ipa_setdelip_flags del_flags; |
| 625 | int is_multicast; |
| 626 | volatile int users; |
| 627 | enum qeth_prot_versions proto; |
| 628 | unsigned char mac[OSA_ADDR_LEN]; |
| 629 | union { |
| 630 | struct { |
| 631 | unsigned int addr; |
| 632 | unsigned int mask; |
| 633 | } a4; |
| 634 | struct { |
| 635 | struct in6_addr addr; |
| 636 | unsigned int pfxlen; |
| 637 | } a6; |
| 638 | } u; |
| 639 | }; |
| 640 | |
| 641 | struct qeth_ipato_entry { |
| 642 | struct list_head entry; |
| 643 | enum qeth_prot_versions proto; |
| 644 | char addr[16]; |
| 645 | int mask_bits; |
| 646 | }; |
| 647 | |
| 648 | struct qeth_ipato { |
| 649 | int enabled; |
| 650 | int invert4; |
| 651 | int invert6; |
| 652 | struct list_head entries; |
| 653 | }; |
| 654 | |
| 655 | struct qeth_channel; |
| 656 | |
| 657 | struct qeth_cmd_buffer { |
| 658 | enum qeth_cmd_buffer_state state; |
| 659 | struct qeth_channel *channel; |
| 660 | unsigned char *data; |
| 661 | int rc; |
| 662 | void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); |
| 663 | }; |
| 664 | |
| 665 | |
| 666 | /** |
| 667 | * definition of a qeth channel, used for read and write |
| 668 | */ |
| 669 | struct qeth_channel { |
| 670 | enum qeth_channel_states state; |
| 671 | struct ccw1 ccw; |
| 672 | spinlock_t iob_lock; |
| 673 | wait_queue_head_t wait_q; |
| 674 | struct tasklet_struct irq_tasklet; |
| 675 | struct ccw_device *ccwdev; |
| 676 | /*command buffer for control data*/ |
| 677 | struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; |
| 678 | atomic_t irq_pending; |
| 679 | volatile int io_buf_no; |
| 680 | volatile int buf_no; |
| 681 | }; |
| 682 | |
| 683 | /** |
| 684 | * OSA card related definitions |
| 685 | */ |
| 686 | struct qeth_token { |
| 687 | __u32 issuer_rm_w; |
| 688 | __u32 issuer_rm_r; |
| 689 | __u32 cm_filter_w; |
| 690 | __u32 cm_filter_r; |
| 691 | __u32 cm_connection_w; |
| 692 | __u32 cm_connection_r; |
| 693 | __u32 ulp_filter_w; |
| 694 | __u32 ulp_filter_r; |
| 695 | __u32 ulp_connection_w; |
| 696 | __u32 ulp_connection_r; |
| 697 | }; |
| 698 | |
| 699 | struct qeth_seqno { |
| 700 | __u32 trans_hdr; |
| 701 | __u32 pdu_hdr; |
| 702 | __u32 pdu_hdr_ack; |
| 703 | __u16 ipa; |
Ursula Braun | 9123e0d | 2005-09-30 10:17:24 +0200 | [diff] [blame] | 704 | __u32 pkt_seqno; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | }; |
| 706 | |
| 707 | struct qeth_reply { |
| 708 | struct list_head list; |
| 709 | wait_queue_head_t wait_q; |
| 710 | int (*callback)(struct qeth_card *,struct qeth_reply *,unsigned long); |
| 711 | u32 seqno; |
| 712 | unsigned long offset; |
| 713 | int received; |
| 714 | int rc; |
| 715 | void *param; |
| 716 | struct qeth_card *card; |
| 717 | atomic_t refcnt; |
| 718 | }; |
| 719 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | |
| 721 | struct qeth_card_blkt { |
| 722 | int time_total; |
| 723 | int inter_packet; |
| 724 | int inter_packet_jumbo; |
| 725 | }; |
| 726 | |
Frank Pavlic | e08d88c | 2005-11-10 13:51:17 +0100 | [diff] [blame] | 727 | #define QETH_BROADCAST_WITH_ECHO 0x01 |
| 728 | #define QETH_BROADCAST_WITHOUT_ECHO 0x02 |
| 729 | #define QETH_LAYER2_MAC_READ 0x01 |
| 730 | #define QETH_LAYER2_MAC_REGISTERED 0x02 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | struct qeth_card_info { |
| 732 | unsigned short unit_addr2; |
| 733 | unsigned short cula; |
| 734 | unsigned short chpid; |
| 735 | __u16 func_level; |
| 736 | char mcl_level[QETH_MCL_LENGTH + 1]; |
| 737 | int guestlan; |
Frank Pavlic | e08d88c | 2005-11-10 13:51:17 +0100 | [diff] [blame] | 738 | int mac_bits; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | int portname_required; |
| 740 | int portno; |
| 741 | char portname[9]; |
| 742 | enum qeth_card_types type; |
| 743 | enum qeth_link_types link_type; |
| 744 | int is_multicast_different; |
| 745 | int initial_mtu; |
| 746 | int max_mtu; |
| 747 | int broadcast_capable; |
| 748 | int unique_id; |
| 749 | struct qeth_card_blkt blkt; |
| 750 | __u32 csum_mask; |
Frank Pavlic | 6c951b9 | 2005-11-10 13:51:25 +0100 | [diff] [blame] | 751 | enum qeth_ipa_promisc_modes promisc_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | }; |
| 753 | |
| 754 | struct qeth_card_options { |
| 755 | struct qeth_routing_info route4; |
| 756 | struct qeth_ipa_info ipa4; |
| 757 | struct qeth_ipa_info adp; /*Adapter parameters*/ |
| 758 | #ifdef CONFIG_QETH_IPV6 |
| 759 | struct qeth_routing_info route6; |
| 760 | struct qeth_ipa_info ipa6; |
| 761 | #endif /* QETH_IPV6 */ |
| 762 | enum qeth_checksum_types checksum_type; |
| 763 | int broadcast_mode; |
| 764 | int macaddr_mode; |
| 765 | int fake_broadcast; |
| 766 | int add_hhlen; |
| 767 | int fake_ll; |
| 768 | int layer2; |
| 769 | enum qeth_large_send_types large_send; |
| 770 | }; |
| 771 | |
| 772 | /* |
| 773 | * thread bits for qeth_card thread masks |
| 774 | */ |
| 775 | enum qeth_threads { |
| 776 | QETH_SET_IP_THREAD = 1, |
| 777 | QETH_RECOVER_THREAD = 2, |
Frank Pavlic | 6c951b9 | 2005-11-10 13:51:25 +0100 | [diff] [blame] | 778 | QETH_SET_PROMISC_MODE_THREAD = 4, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | }; |
| 780 | |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 781 | struct qeth_osn_info { |
| 782 | int (*assist_cb)(struct net_device *dev, void *data); |
| 783 | int (*data_cb)(struct sk_buff *skb); |
| 784 | }; |
| 785 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | struct qeth_card { |
| 787 | struct list_head list; |
| 788 | enum qeth_card_states state; |
| 789 | int lan_online; |
| 790 | spinlock_t lock; |
| 791 | /*hardware and sysfs stuff*/ |
| 792 | struct ccwgroup_device *gdev; |
| 793 | struct qeth_channel read; |
| 794 | struct qeth_channel write; |
| 795 | struct qeth_channel data; |
| 796 | |
| 797 | struct net_device *dev; |
| 798 | struct net_device_stats stats; |
| 799 | |
| 800 | struct qeth_card_info info; |
| 801 | struct qeth_token token; |
| 802 | struct qeth_seqno seqno; |
| 803 | struct qeth_card_options options; |
| 804 | |
| 805 | wait_queue_head_t wait_q; |
| 806 | #ifdef CONFIG_QETH_VLAN |
| 807 | spinlock_t vlanlock; |
| 808 | struct vlan_group *vlangrp; |
| 809 | #endif |
| 810 | struct work_struct kernel_thread_starter; |
| 811 | spinlock_t thread_mask_lock; |
| 812 | volatile unsigned long thread_start_mask; |
| 813 | volatile unsigned long thread_allowed_mask; |
| 814 | volatile unsigned long thread_running_mask; |
| 815 | spinlock_t ip_lock; |
| 816 | struct list_head ip_list; |
| 817 | struct list_head *ip_tbd_list; |
| 818 | struct qeth_ipato ipato; |
| 819 | struct list_head cmd_waiter_list; |
| 820 | /* QDIO buffer handling */ |
| 821 | struct qeth_qdio_info qdio; |
| 822 | #ifdef CONFIG_QETH_PERF_STATS |
| 823 | struct qeth_perf_stats perf_stats; |
| 824 | #endif /* CONFIG_QETH_PERF_STATS */ |
| 825 | int use_hard_stop; |
| 826 | int (*orig_hard_header)(struct sk_buff *,struct net_device *, |
| 827 | unsigned short,void *,void *,unsigned); |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 828 | struct qeth_osn_info osn_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | }; |
| 830 | |
| 831 | struct qeth_card_list_struct { |
| 832 | struct list_head list; |
| 833 | rwlock_t rwlock; |
| 834 | }; |
| 835 | |
| 836 | extern struct qeth_card_list_struct qeth_card_list; |
| 837 | |
| 838 | /*notifier list */ |
| 839 | struct qeth_notify_list_struct { |
| 840 | struct list_head list; |
| 841 | struct task_struct *task; |
| 842 | int signum; |
| 843 | }; |
| 844 | extern spinlock_t qeth_notify_lock; |
| 845 | extern struct list_head qeth_notify_list; |
| 846 | |
| 847 | /*some helper functions*/ |
| 848 | |
| 849 | #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") |
| 850 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 851 | static inline __u8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | qeth_get_ipa_adp_type(enum qeth_link_types link_type) |
| 853 | { |
| 854 | switch (link_type) { |
| 855 | case QETH_LINK_TYPE_HSTR: |
| 856 | return 2; |
| 857 | default: |
| 858 | return 1; |
| 859 | } |
| 860 | } |
| 861 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 862 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size) |
| 864 | { |
| 865 | struct sk_buff *new_skb = NULL; |
| 866 | |
| 867 | if (skb_headroom(*skb) < size){ |
| 868 | new_skb = skb_realloc_headroom(*skb, size); |
| 869 | if (!new_skb) { |
| 870 | PRINT_ERR("qeth_prepare_skb: could " |
| 871 | "not realloc headroom for qeth_hdr " |
| 872 | "on interface %s", QETH_CARD_IFNAME(card)); |
| 873 | return -ENOMEM; |
| 874 | } |
Ursula Braun | 9123e0d | 2005-09-30 10:17:24 +0200 | [diff] [blame] | 875 | kfree_skb(*skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | *skb = new_skb; |
| 877 | } |
| 878 | return 0; |
| 879 | } |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 880 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | static inline struct sk_buff * |
| 882 | qeth_pskb_unshare(struct sk_buff *skb, int pri) |
| 883 | { |
| 884 | struct sk_buff *nskb; |
| 885 | if (!skb_cloned(skb)) |
| 886 | return skb; |
| 887 | nskb = skb_copy(skb, pri); |
| 888 | kfree_skb(skb); /* free our shared copy */ |
| 889 | return nskb; |
| 890 | } |
| 891 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 892 | static inline void * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size) |
| 894 | { |
| 895 | void *hdr; |
| 896 | |
| 897 | hdr = (void *) skb_push(*skb, size); |
| 898 | /* |
| 899 | * sanity check, the Linux memory allocation scheme should |
| 900 | * never present us cases like this one (the qdio header size plus |
| 901 | * the first 40 bytes of the paket cross a 4k boundary) |
| 902 | */ |
| 903 | if ((((unsigned long) hdr) & (~(PAGE_SIZE - 1))) != |
| 904 | (((unsigned long) hdr + size + |
| 905 | QETH_IP_HEADER_SIZE) & (~(PAGE_SIZE - 1)))) { |
| 906 | PRINT_ERR("qeth_prepare_skb: misaligned " |
| 907 | "packet on interface %s. Discarded.", |
| 908 | QETH_CARD_IFNAME(card)); |
| 909 | return NULL; |
| 910 | } |
| 911 | return hdr; |
| 912 | } |
| 913 | |
Frank Pavlic | d801145 | 2005-05-12 20:37:53 +0200 | [diff] [blame] | 914 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 915 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | qeth_get_hlen(__u8 link_type) |
| 917 | { |
| 918 | #ifdef CONFIG_QETH_IPV6 |
| 919 | switch (link_type) { |
| 920 | case QETH_LINK_TYPE_HSTR: |
| 921 | case QETH_LINK_TYPE_LANE_TR: |
Frank Pavlic | 05e08a2 | 2005-05-12 20:39:09 +0200 | [diff] [blame] | 922 | return sizeof(struct qeth_hdr_tso) + TR_HLEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 923 | default: |
| 924 | #ifdef CONFIG_QETH_VLAN |
Frank Pavlic | 05e08a2 | 2005-05-12 20:39:09 +0200 | [diff] [blame] | 925 | return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | #else |
Frank Pavlic | 05e08a2 | 2005-05-12 20:39:09 +0200 | [diff] [blame] | 927 | return sizeof(struct qeth_hdr_tso) + ETH_HLEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | #endif |
| 929 | } |
| 930 | #else /* CONFIG_QETH_IPV6 */ |
| 931 | #ifdef CONFIG_QETH_VLAN |
Frank Pavlic | 05e08a2 | 2005-05-12 20:39:09 +0200 | [diff] [blame] | 932 | return sizeof(struct qeth_hdr_tso) + VLAN_HLEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 933 | #else |
Frank Pavlic | 05e08a2 | 2005-05-12 20:39:09 +0200 | [diff] [blame] | 934 | return sizeof(struct qeth_hdr_tso); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 935 | #endif |
| 936 | #endif /* CONFIG_QETH_IPV6 */ |
| 937 | } |
| 938 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 939 | static inline unsigned short |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | qeth_get_netdev_flags(struct qeth_card *card) |
| 941 | { |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 942 | if (card->options.layer2 && |
| 943 | (card->info.type == QETH_CARD_TYPE_OSAE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | return 0; |
| 945 | switch (card->info.type) { |
| 946 | case QETH_CARD_TYPE_IQD: |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 947 | case QETH_CARD_TYPE_OSN: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | return IFF_NOARP; |
| 949 | #ifdef CONFIG_QETH_IPV6 |
| 950 | default: |
| 951 | return 0; |
| 952 | #else |
| 953 | default: |
| 954 | return IFF_NOARP; |
| 955 | #endif |
| 956 | } |
| 957 | } |
| 958 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 959 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | qeth_get_initial_mtu_for_card(struct qeth_card * card) |
| 961 | { |
| 962 | switch (card->info.type) { |
| 963 | case QETH_CARD_TYPE_UNKNOWN: |
| 964 | return 1500; |
| 965 | case QETH_CARD_TYPE_IQD: |
| 966 | return card->info.max_mtu; |
| 967 | case QETH_CARD_TYPE_OSAE: |
| 968 | switch (card->info.link_type) { |
| 969 | case QETH_LINK_TYPE_HSTR: |
| 970 | case QETH_LINK_TYPE_LANE_TR: |
| 971 | return 2000; |
| 972 | default: |
| 973 | return 1492; |
| 974 | } |
| 975 | default: |
| 976 | return 1500; |
| 977 | } |
| 978 | } |
| 979 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 980 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 981 | qeth_get_max_mtu_for_card(int cardtype) |
| 982 | { |
| 983 | switch (cardtype) { |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 984 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | case QETH_CARD_TYPE_UNKNOWN: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | case QETH_CARD_TYPE_OSAE: |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 987 | case QETH_CARD_TYPE_OSN: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | return 61440; |
| 989 | case QETH_CARD_TYPE_IQD: |
| 990 | return 57344; |
| 991 | default: |
| 992 | return 1500; |
| 993 | } |
| 994 | } |
| 995 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 996 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | qeth_get_mtu_out_of_mpc(int cardtype) |
| 998 | { |
| 999 | switch (cardtype) { |
| 1000 | case QETH_CARD_TYPE_IQD: |
| 1001 | return 1; |
| 1002 | default: |
| 1003 | return 0; |
| 1004 | } |
| 1005 | } |
| 1006 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 1007 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | qeth_get_mtu_outof_framesize(int framesize) |
| 1009 | { |
| 1010 | switch (framesize) { |
| 1011 | case 0x4000: |
| 1012 | return 8192; |
| 1013 | case 0x6000: |
| 1014 | return 16384; |
| 1015 | case 0xa000: |
| 1016 | return 32768; |
| 1017 | case 0xffff: |
| 1018 | return 57344; |
| 1019 | default: |
| 1020 | return 0; |
| 1021 | } |
| 1022 | } |
| 1023 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 1024 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | qeth_mtu_is_valid(struct qeth_card * card, int mtu) |
| 1026 | { |
| 1027 | switch (card->info.type) { |
| 1028 | case QETH_CARD_TYPE_OSAE: |
| 1029 | return ((mtu >= 576) && (mtu <= 61440)); |
| 1030 | case QETH_CARD_TYPE_IQD: |
| 1031 | return ((mtu >= 576) && |
| 1032 | (mtu <= card->info.max_mtu + 4096 - 32)); |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 1033 | case QETH_CARD_TYPE_OSN: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | case QETH_CARD_TYPE_UNKNOWN: |
| 1035 | default: |
| 1036 | return 1; |
| 1037 | } |
| 1038 | } |
| 1039 | |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 1040 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | qeth_get_arphdr_type(int cardtype, int linktype) |
| 1042 | { |
| 1043 | switch (cardtype) { |
| 1044 | case QETH_CARD_TYPE_OSAE: |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 1045 | case QETH_CARD_TYPE_OSN: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | switch (linktype) { |
| 1047 | case QETH_LINK_TYPE_LANE_TR: |
| 1048 | case QETH_LINK_TYPE_HSTR: |
| 1049 | return ARPHRD_IEEE802_TR; |
| 1050 | default: |
| 1051 | return ARPHRD_ETHER; |
| 1052 | } |
| 1053 | case QETH_CARD_TYPE_IQD: |
| 1054 | default: |
| 1055 | return ARPHRD_ETHER; |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | #ifdef CONFIG_QETH_PERF_STATS |
Jesper Juhl | 77933d7 | 2005-07-27 11:46:09 -0700 | [diff] [blame] | 1060 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | qeth_get_micros(void) |
| 1062 | { |
| 1063 | return (int) (get_clock() >> 12); |
| 1064 | } |
| 1065 | #endif |
| 1066 | |
| 1067 | static inline int |
| 1068 | qeth_get_qdio_q_format(struct qeth_card *card) |
| 1069 | { |
| 1070 | switch (card->info.type) { |
| 1071 | case QETH_CARD_TYPE_IQD: |
| 1072 | return 2; |
| 1073 | default: |
| 1074 | return 0; |
| 1075 | } |
| 1076 | } |
| 1077 | |
Frank Pavlic | bd389b9 | 2005-11-10 13:49:02 +0100 | [diff] [blame] | 1078 | static inline int |
Frank Pavlic | bd389b9 | 2005-11-10 13:49:02 +0100 | [diff] [blame] | 1079 | qeth_isxdigit(char * buf) |
| 1080 | { |
| 1081 | while (*buf) { |
| 1082 | if (!isxdigit(*buf++)) |
| 1083 | return 0; |
| 1084 | } |
| 1085 | return 1; |
| 1086 | } |
| 1087 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1088 | static inline void |
| 1089 | qeth_ipaddr4_to_string(const __u8 *addr, char *buf) |
| 1090 | { |
| 1091 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); |
| 1092 | } |
| 1093 | |
| 1094 | static inline int |
| 1095 | qeth_string_to_ipaddr4(const char *buf, __u8 *addr) |
| 1096 | { |
Frank Pavlic | 66cc5d5 | 2006-02-07 17:04:38 +0100 | [diff] [blame] | 1097 | int count = 0, rc = 0; |
| 1098 | int in[4]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1099 | |
Frank Pavlic | 66cc5d5 | 2006-02-07 17:04:38 +0100 | [diff] [blame] | 1100 | rc = sscanf(buf, "%d.%d.%d.%d%n", |
| 1101 | &in[0], &in[1], &in[2], &in[3], &count); |
| 1102 | if (rc != 4 || count) |
| 1103 | return -EINVAL; |
| 1104 | for (count = 0; count < 4; count++) { |
| 1105 | if (in[count] > 255) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1106 | return -EINVAL; |
Frank Pavlic | 66cc5d5 | 2006-02-07 17:04:38 +0100 | [diff] [blame] | 1107 | addr[count] = in[count]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1108 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | return 0; |
| 1110 | } |
| 1111 | |
| 1112 | static inline void |
| 1113 | qeth_ipaddr6_to_string(const __u8 *addr, char *buf) |
| 1114 | { |
| 1115 | sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x" |
| 1116 | ":%02x%02x:%02x%02x:%02x%02x:%02x%02x", |
| 1117 | addr[0], addr[1], addr[2], addr[3], |
| 1118 | addr[4], addr[5], addr[6], addr[7], |
| 1119 | addr[8], addr[9], addr[10], addr[11], |
| 1120 | addr[12], addr[13], addr[14], addr[15]); |
| 1121 | } |
| 1122 | |
| 1123 | static inline int |
| 1124 | qeth_string_to_ipaddr6(const char *buf, __u8 *addr) |
| 1125 | { |
Frank Pavlic | 66cc5d5 | 2006-02-07 17:04:38 +0100 | [diff] [blame] | 1126 | char *end, *start; |
| 1127 | __u16 *in; |
| 1128 | char num[5]; |
| 1129 | int num2, cnt, out, found, save_cnt; |
| 1130 | unsigned short in_tmp[8] = {0, }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | |
Frank Pavlic | 66cc5d5 | 2006-02-07 17:04:38 +0100 | [diff] [blame] | 1132 | cnt = out = found = save_cnt = num2 = 0; |
| 1133 | end = start = (char *) buf; |
| 1134 | in = (__u16 *) addr; |
| 1135 | memset(in, 0, 16); |
| 1136 | while (end) { |
| 1137 | end = strchr(end,':'); |
| 1138 | if (end == NULL) { |
| 1139 | end = (char *)buf + (strlen(buf)); |
| 1140 | out = 1; |
| 1141 | } |
| 1142 | if ((end - start)) { |
| 1143 | memset(num, 0, 5); |
| 1144 | memcpy(num, start, end - start); |
| 1145 | if (!qeth_isxdigit(num)) |
| 1146 | return -EINVAL; |
| 1147 | sscanf(start, "%x", &num2); |
| 1148 | if (found) |
| 1149 | in_tmp[save_cnt++] = num2; |
| 1150 | else |
| 1151 | in[cnt++] = num2; |
| 1152 | if (out) |
| 1153 | break; |
| 1154 | } else { |
| 1155 | if (found) |
| 1156 | return -EINVAL; |
| 1157 | found = 1; |
Frank Pavlic | bd389b9 | 2005-11-10 13:49:02 +0100 | [diff] [blame] | 1158 | } |
Frank Pavlic | 66cc5d5 | 2006-02-07 17:04:38 +0100 | [diff] [blame] | 1159 | start = ++end; |
| 1160 | } |
| 1161 | cnt = 7; |
| 1162 | while (save_cnt) |
| 1163 | in[cnt--] = in_tmp[--save_cnt]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | return 0; |
| 1165 | } |
| 1166 | |
| 1167 | static inline void |
| 1168 | qeth_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, |
| 1169 | char *buf) |
| 1170 | { |
| 1171 | if (proto == QETH_PROT_IPV4) |
| 1172 | return qeth_ipaddr4_to_string(addr, buf); |
| 1173 | else if (proto == QETH_PROT_IPV6) |
| 1174 | return qeth_ipaddr6_to_string(addr, buf); |
| 1175 | } |
| 1176 | |
| 1177 | static inline int |
| 1178 | qeth_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, |
| 1179 | __u8 *addr) |
| 1180 | { |
| 1181 | if (proto == QETH_PROT_IPV4) |
| 1182 | return qeth_string_to_ipaddr4(buf, addr); |
| 1183 | else if (proto == QETH_PROT_IPV6) |
| 1184 | return qeth_string_to_ipaddr6(buf, addr); |
| 1185 | else |
| 1186 | return -EINVAL; |
| 1187 | } |
| 1188 | |
| 1189 | extern int |
| 1190 | qeth_setrouting_v4(struct qeth_card *); |
| 1191 | extern int |
| 1192 | qeth_setrouting_v6(struct qeth_card *); |
| 1193 | |
| 1194 | extern int |
| 1195 | qeth_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *); |
| 1196 | |
| 1197 | extern void |
| 1198 | qeth_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions, u8 *, int); |
| 1199 | |
| 1200 | extern int |
| 1201 | qeth_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *); |
| 1202 | |
| 1203 | extern void |
| 1204 | qeth_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *); |
| 1205 | |
| 1206 | extern int |
| 1207 | qeth_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *); |
| 1208 | |
| 1209 | extern void |
| 1210 | qeth_del_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *); |
| 1211 | |
| 1212 | extern int |
| 1213 | qeth_notifier_register(struct task_struct *, int ); |
| 1214 | |
| 1215 | extern int |
| 1216 | qeth_notifier_unregister(struct task_struct * ); |
| 1217 | |
| 1218 | extern void |
| 1219 | qeth_schedule_recovery(struct qeth_card *); |
| 1220 | |
| 1221 | extern int |
| 1222 | qeth_realloc_buffer_pool(struct qeth_card *, int); |
| 1223 | |
| 1224 | extern int |
Frank Pavlic | 9cb90de | 2005-09-14 18:03:26 +0200 | [diff] [blame] | 1225 | qeth_set_large_send(struct qeth_card *, enum qeth_large_send_types); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | |
| 1227 | extern void |
| 1228 | qeth_fill_header(struct qeth_card *, struct qeth_hdr *, |
| 1229 | struct sk_buff *, int, int); |
| 1230 | extern void |
| 1231 | qeth_flush_buffers(struct qeth_qdio_out_q *, int, int, int); |
| 1232 | |
Ursula Braun | 500f83a | 2005-09-30 10:19:19 +0200 | [diff] [blame] | 1233 | extern int |
| 1234 | qeth_osn_assist(struct net_device *, void *, int); |
| 1235 | |
| 1236 | extern int |
| 1237 | qeth_osn_register(unsigned char *read_dev_no, |
| 1238 | struct net_device **, |
| 1239 | int (*assist_cb)(struct net_device *, void *), |
| 1240 | int (*data_cb)(struct sk_buff *)); |
| 1241 | |
| 1242 | extern void |
| 1243 | qeth_osn_deregister(struct net_device *); |
| 1244 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1245 | #endif /* __QETH_H__ */ |