Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1 | /* |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2 | * Copyright IBM Corp. 2007 |
| 3 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
| 4 | * Frank Pavlic <fpavlic@de.ibm.com>, |
| 5 | * Thomas Spatzier <tspat@de.ibm.com>, |
| 6 | * Frank Blaschka <frank.blaschka@de.ibm.com> |
| 7 | */ |
| 8 | |
| 9 | #ifndef __QETH_CORE_H__ |
| 10 | #define __QETH_CORE_H__ |
| 11 | |
| 12 | #include <linux/if.h> |
| 13 | #include <linux/if_arp.h> |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 14 | #include <linux/etherdevice.h> |
| 15 | #include <linux/if_vlan.h> |
| 16 | #include <linux/ctype.h> |
| 17 | #include <linux/in6.h> |
| 18 | #include <linux/bitops.h> |
| 19 | #include <linux/seq_file.h> |
| 20 | #include <linux/ethtool.h> |
| 21 | |
| 22 | #include <net/ipv6.h> |
| 23 | #include <net/if_inet6.h> |
| 24 | #include <net/addrconf.h> |
| 25 | |
| 26 | #include <asm/debug.h> |
| 27 | #include <asm/qdio.h> |
| 28 | #include <asm/ccwdev.h> |
| 29 | #include <asm/ccwgroup.h> |
Martin Schwidefsky | 6bcac50 | 2008-12-25 13:38:49 +0100 | [diff] [blame] | 30 | #include <asm/sysinfo.h> |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 31 | |
| 32 | #include "qeth_core_mpc.h" |
| 33 | |
| 34 | /** |
| 35 | * Debug Facility stuff |
| 36 | */ |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 37 | enum qeth_dbf_names { |
| 38 | QETH_DBF_SETUP, |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 39 | QETH_DBF_MSG, |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 40 | QETH_DBF_CTRL, |
| 41 | QETH_DBF_INFOS /* must be last element */ |
| 42 | }; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 43 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 44 | struct qeth_dbf_info { |
| 45 | char name[DEBUG_MAX_NAME_LEN]; |
| 46 | int pages; |
| 47 | int areas; |
| 48 | int len; |
| 49 | int level; |
| 50 | struct debug_view *view; |
| 51 | debug_info_t *id; |
| 52 | }; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 53 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 54 | #define QETH_DBF_CTRL_LEN 256 |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 55 | |
| 56 | #define QETH_DBF_TEXT(name, level, text) \ |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 57 | debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 58 | |
| 59 | #define QETH_DBF_HEX(name, level, addr, len) \ |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 60 | debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) |
| 61 | |
| 62 | #define QETH_DBF_MESSAGE(level, text...) \ |
| 63 | debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) |
| 64 | |
| 65 | #define QETH_DBF_TEXT_(name, level, text...) \ |
Carsten Otte | 8e96c51 | 2010-06-21 22:57:03 +0000 | [diff] [blame] | 66 | qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 67 | |
Carsten Otte | af03906 | 2010-06-21 22:57:04 +0000 | [diff] [blame] | 68 | #define QETH_CARD_TEXT(card, level, text) \ |
| 69 | debug_text_event(card->debug, level, text) |
| 70 | |
| 71 | #define QETH_CARD_HEX(card, level, addr, len) \ |
| 72 | debug_event(card->debug, level, (void *)(addr), len) |
| 73 | |
| 74 | #define QETH_CARD_MESSAGE(card, text...) \ |
| 75 | debug_sprintf_event(card->debug, level, text) |
| 76 | |
| 77 | #define QETH_CARD_TEXT_(card, level, text...) \ |
| 78 | qeth_dbf_longtext(card->debug, level, text) |
| 79 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 80 | #define SENSE_COMMAND_REJECT_BYTE 0 |
| 81 | #define SENSE_COMMAND_REJECT_FLAG 0x80 |
| 82 | #define SENSE_RESETTING_EVENT_BYTE 1 |
| 83 | #define SENSE_RESETTING_EVENT_FLAG 0x80 |
| 84 | |
| 85 | /* |
| 86 | * Common IO related definitions |
| 87 | */ |
| 88 | #define CARD_RDEV(card) card->read.ccwdev |
| 89 | #define CARD_WDEV(card) card->write.ccwdev |
| 90 | #define CARD_DDEV(card) card->data.ccwdev |
Kay Sievers | 2a0217d | 2008-10-10 21:33:09 +0200 | [diff] [blame] | 91 | #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) |
| 92 | #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) |
| 93 | #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) |
| 94 | #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) |
| 95 | #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 96 | |
| 97 | /** |
| 98 | * card stuff |
| 99 | */ |
| 100 | struct qeth_perf_stats { |
| 101 | unsigned int bufs_rec; |
| 102 | unsigned int bufs_sent; |
| 103 | |
| 104 | unsigned int skbs_sent_pack; |
| 105 | unsigned int bufs_sent_pack; |
| 106 | |
| 107 | unsigned int sc_dp_p; |
| 108 | unsigned int sc_p_dp; |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 109 | /* qdio_cq_handler: number of times called, time spent in */ |
| 110 | __u64 cq_start_time; |
| 111 | unsigned int cq_cnt; |
| 112 | unsigned int cq_time; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 113 | /* qdio_input_handler: number of times called, time spent in */ |
| 114 | __u64 inbound_start_time; |
| 115 | unsigned int inbound_cnt; |
| 116 | unsigned int inbound_time; |
| 117 | /* qeth_send_packet: number of times called, time spent in */ |
| 118 | __u64 outbound_start_time; |
| 119 | unsigned int outbound_cnt; |
| 120 | unsigned int outbound_time; |
| 121 | /* qdio_output_handler: number of times called, time spent in */ |
| 122 | __u64 outbound_handler_start_time; |
| 123 | unsigned int outbound_handler_cnt; |
| 124 | unsigned int outbound_handler_time; |
| 125 | /* number of calls to and time spent in do_QDIO for inbound queue */ |
| 126 | __u64 inbound_do_qdio_start_time; |
| 127 | unsigned int inbound_do_qdio_cnt; |
| 128 | unsigned int inbound_do_qdio_time; |
| 129 | /* number of calls to and time spent in do_QDIO for outbound queues */ |
| 130 | __u64 outbound_do_qdio_start_time; |
| 131 | unsigned int outbound_do_qdio_cnt; |
| 132 | unsigned int outbound_do_qdio_time; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 133 | unsigned int large_send_bytes; |
| 134 | unsigned int large_send_cnt; |
| 135 | unsigned int sg_skbs_sent; |
| 136 | unsigned int sg_frags_sent; |
| 137 | /* initial values when measuring starts */ |
| 138 | unsigned long initial_rx_packets; |
| 139 | unsigned long initial_tx_packets; |
| 140 | /* inbound scatter gather data */ |
| 141 | unsigned int sg_skbs_rx; |
| 142 | unsigned int sg_frags_rx; |
| 143 | unsigned int sg_alloc_page_rx; |
Frank Blaschka | f61a0d0 | 2009-03-24 20:57:15 +0000 | [diff] [blame] | 144 | unsigned int tx_csum; |
Frank Blaschka | c3b4a74 | 2009-11-12 00:11:44 +0000 | [diff] [blame] | 145 | unsigned int tx_lin; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 146 | }; |
| 147 | |
| 148 | /* Routing stuff */ |
| 149 | struct qeth_routing_info { |
| 150 | enum qeth_routing_types type; |
| 151 | }; |
| 152 | |
| 153 | /* IPA stuff */ |
| 154 | struct qeth_ipa_info { |
| 155 | __u32 supported_funcs; |
| 156 | __u32 enabled_funcs; |
| 157 | }; |
| 158 | |
| 159 | static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, |
| 160 | enum qeth_ipa_funcs func) |
| 161 | { |
| 162 | return (ipa->supported_funcs & func); |
| 163 | } |
| 164 | |
| 165 | static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, |
| 166 | enum qeth_ipa_funcs func) |
| 167 | { |
| 168 | return (ipa->supported_funcs & ipa->enabled_funcs & func); |
| 169 | } |
| 170 | |
| 171 | #define qeth_adp_supported(c, f) \ |
| 172 | qeth_is_ipa_supported(&c->options.adp, f) |
| 173 | #define qeth_adp_enabled(c, f) \ |
| 174 | qeth_is_ipa_enabled(&c->options.adp, f) |
| 175 | #define qeth_is_supported(c, f) \ |
| 176 | qeth_is_ipa_supported(&c->options.ipa4, f) |
| 177 | #define qeth_is_enabled(c, f) \ |
| 178 | qeth_is_ipa_enabled(&c->options.ipa4, f) |
| 179 | #define qeth_is_supported6(c, f) \ |
| 180 | qeth_is_ipa_supported(&c->options.ipa6, f) |
| 181 | #define qeth_is_enabled6(c, f) \ |
| 182 | qeth_is_ipa_enabled(&c->options.ipa6, f) |
| 183 | #define qeth_is_ipafunc_supported(c, prot, f) \ |
| 184 | ((prot == QETH_PROT_IPV6) ? \ |
| 185 | qeth_is_supported6(c, f) : qeth_is_supported(c, f)) |
| 186 | #define qeth_is_ipafunc_enabled(c, prot, f) \ |
| 187 | ((prot == QETH_PROT_IPV6) ? \ |
| 188 | qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) |
| 189 | |
Ursula Braun | 5113fec | 2010-05-16 21:15:14 +0000 | [diff] [blame] | 190 | #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 |
Klaus-Dieter Wacker | 6298263 | 2010-07-22 23:15:03 +0000 | [diff] [blame] | 191 | #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 192 | |
| 193 | #define QETH_MODELLIST_ARRAY \ |
Ursula Braun | 5113fec | 2010-05-16 21:15:14 +0000 | [diff] [blame] | 194 | {{0x1731, 0x01, 0x1732, QETH_CARD_TYPE_OSD, QETH_MAX_QUEUES, 0}, \ |
| 195 | {0x1731, 0x05, 0x1732, QETH_CARD_TYPE_IQD, QETH_MAX_QUEUES, 0x103}, \ |
| 196 | {0x1731, 0x06, 0x1732, QETH_CARD_TYPE_OSN, QETH_MAX_QUEUES, 0}, \ |
| 197 | {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSM, QETH_MAX_QUEUES, 0}, \ |
| 198 | {0x1731, 0x02, 0x1732, QETH_CARD_TYPE_OSX, QETH_MAX_QUEUES, 0}, \ |
| 199 | {0, 0, 0, 0, 0, 0} } |
| 200 | #define QETH_CU_TYPE_IND 0 |
| 201 | #define QETH_CU_MODEL_IND 1 |
| 202 | #define QETH_DEV_TYPE_IND 2 |
| 203 | #define QETH_DEV_MODEL_IND 3 |
| 204 | #define QETH_QUEUE_NO_IND 4 |
| 205 | #define QETH_MULTICAST_IND 5 |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 206 | |
| 207 | #define QETH_REAL_CARD 1 |
| 208 | #define QETH_VLAN_CARD 2 |
| 209 | #define QETH_BUFSIZE 4096 |
| 210 | |
| 211 | /** |
| 212 | * some more defs |
| 213 | */ |
| 214 | #define QETH_TX_TIMEOUT 100 * HZ |
| 215 | #define QETH_RCD_TIMEOUT 60 * HZ |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 216 | #define QETH_RECLAIM_WORK_TIME HZ |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 217 | #define QETH_HEADER_SIZE 32 |
| 218 | #define QETH_MAX_PORTNO 15 |
| 219 | |
| 220 | /*IPv6 address autoconfiguration stuff*/ |
| 221 | #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe |
| 222 | #define UNIQUE_ID_NOT_BY_CARD 0x10000 |
| 223 | |
| 224 | /*****************************************************************************/ |
| 225 | /* QDIO queue and buffer handling */ |
| 226 | /*****************************************************************************/ |
| 227 | #define QETH_MAX_QUEUES 4 |
| 228 | #define QETH_IN_BUF_SIZE_DEFAULT 65536 |
Frank Blaschka | dcf4ae2 | 2011-03-14 15:39:47 -0700 | [diff] [blame] | 229 | #define QETH_IN_BUF_COUNT_DEFAULT 64 |
| 230 | #define QETH_IN_BUF_COUNT_HSDEFAULT 128 |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 231 | #define QETH_IN_BUF_COUNT_MIN 8 |
| 232 | #define QETH_IN_BUF_COUNT_MAX 128 |
| 233 | #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) |
| 234 | #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ |
Einar Lueck | 0284a0f | 2011-11-15 02:31:16 +0000 | [diff] [blame] | 235 | ((card)->qdio.in_buf_pool.buf_count / 2) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 236 | |
| 237 | /* buffers we have to be behind before we get a PCI */ |
| 238 | #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) |
| 239 | /*enqueued free buffers left before we get a PCI*/ |
| 240 | #define QETH_PCI_THRESHOLD_B(card) 0 |
| 241 | /*not used unless the microcode gets patched*/ |
| 242 | #define QETH_PCI_TIMER_VALUE(card) 3 |
| 243 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 244 | /* priority queing */ |
| 245 | #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING |
| 246 | #define QETH_DEFAULT_QUEUE 2 |
| 247 | #define QETH_NO_PRIO_QUEUEING 0 |
| 248 | #define QETH_PRIO_Q_ING_PREC 1 |
| 249 | #define QETH_PRIO_Q_ING_TOS 2 |
| 250 | #define IP_TOS_LOWDELAY 0x10 |
| 251 | #define IP_TOS_HIGHTHROUGHPUT 0x08 |
| 252 | #define IP_TOS_HIGHRELIABILITY 0x04 |
| 253 | #define IP_TOS_NOTIMPORTANT 0x02 |
| 254 | |
| 255 | /* Packing */ |
| 256 | #define QETH_LOW_WATERMARK_PACK 2 |
| 257 | #define QETH_HIGH_WATERMARK_PACK 5 |
| 258 | #define QETH_WATERMARK_PACK_FUZZ 1 |
| 259 | |
| 260 | #define QETH_IP_HEADER_SIZE 40 |
| 261 | |
| 262 | /* large receive scatter gather copy break */ |
| 263 | #define QETH_RX_SG_CB (PAGE_SIZE >> 1) |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 264 | #define QETH_RX_PULL_LEN 256 |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 265 | |
| 266 | struct qeth_hdr_layer3 { |
| 267 | __u8 id; |
| 268 | __u8 flags; |
| 269 | __u16 inbound_checksum; /*TSO:__u16 seqno */ |
| 270 | __u32 token; /*TSO: __u32 reserved */ |
| 271 | __u16 length; |
| 272 | __u8 vlan_prio; |
| 273 | __u8 ext_flags; |
| 274 | __u16 vlan_id; |
| 275 | __u16 frame_offset; |
| 276 | __u8 dest_addr[16]; |
| 277 | } __attribute__ ((packed)); |
| 278 | |
| 279 | struct qeth_hdr_layer2 { |
| 280 | __u8 id; |
| 281 | __u8 flags[3]; |
| 282 | __u8 port_no; |
| 283 | __u8 hdr_length; |
| 284 | __u16 pkt_length; |
| 285 | __u16 seq_no; |
| 286 | __u16 vlan_id; |
| 287 | __u32 reserved; |
| 288 | __u8 reserved2[16]; |
| 289 | } __attribute__ ((packed)); |
| 290 | |
| 291 | struct qeth_hdr_osn { |
| 292 | __u8 id; |
| 293 | __u8 reserved; |
| 294 | __u16 seq_no; |
| 295 | __u16 reserved2; |
| 296 | __u16 control_flags; |
| 297 | __u16 pdu_length; |
| 298 | __u8 reserved3[18]; |
| 299 | __u32 ccid; |
| 300 | } __attribute__ ((packed)); |
| 301 | |
| 302 | struct qeth_hdr { |
| 303 | union { |
| 304 | struct qeth_hdr_layer2 l2; |
| 305 | struct qeth_hdr_layer3 l3; |
| 306 | struct qeth_hdr_osn osn; |
| 307 | } hdr; |
| 308 | } __attribute__ ((packed)); |
| 309 | |
| 310 | /*TCP Segmentation Offload header*/ |
| 311 | struct qeth_hdr_ext_tso { |
| 312 | __u16 hdr_tot_len; |
| 313 | __u8 imb_hdr_no; |
| 314 | __u8 reserved; |
| 315 | __u8 hdr_type; |
| 316 | __u8 hdr_version; |
| 317 | __u16 hdr_len; |
| 318 | __u32 payload_len; |
| 319 | __u16 mss; |
| 320 | __u16 dg_hdr_len; |
| 321 | __u8 padding[16]; |
| 322 | } __attribute__ ((packed)); |
| 323 | |
| 324 | struct qeth_hdr_tso { |
| 325 | struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ |
| 326 | struct qeth_hdr_ext_tso ext; |
| 327 | } __attribute__ ((packed)); |
| 328 | |
| 329 | |
| 330 | /* flags for qeth_hdr.flags */ |
| 331 | #define QETH_HDR_PASSTHRU 0x10 |
| 332 | #define QETH_HDR_IPV6 0x80 |
| 333 | #define QETH_HDR_CAST_MASK 0x07 |
| 334 | enum qeth_cast_flags { |
| 335 | QETH_CAST_UNICAST = 0x06, |
| 336 | QETH_CAST_MULTICAST = 0x04, |
| 337 | QETH_CAST_BROADCAST = 0x05, |
| 338 | QETH_CAST_ANYCAST = 0x07, |
| 339 | QETH_CAST_NOCAST = 0x00, |
| 340 | }; |
| 341 | |
| 342 | enum qeth_layer2_frame_flags { |
| 343 | QETH_LAYER2_FLAG_MULTICAST = 0x01, |
| 344 | QETH_LAYER2_FLAG_BROADCAST = 0x02, |
| 345 | QETH_LAYER2_FLAG_UNICAST = 0x04, |
| 346 | QETH_LAYER2_FLAG_VLAN = 0x10, |
| 347 | }; |
| 348 | |
| 349 | enum qeth_header_ids { |
| 350 | QETH_HEADER_TYPE_LAYER3 = 0x01, |
| 351 | QETH_HEADER_TYPE_LAYER2 = 0x02, |
| 352 | QETH_HEADER_TYPE_TSO = 0x03, |
| 353 | QETH_HEADER_TYPE_OSN = 0x04, |
| 354 | }; |
| 355 | /* flags for qeth_hdr.ext_flags */ |
| 356 | #define QETH_HDR_EXT_VLAN_FRAME 0x01 |
| 357 | #define QETH_HDR_EXT_TOKEN_ID 0x02 |
| 358 | #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 |
| 359 | #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 |
| 360 | #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 |
| 361 | #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 |
Frank Blaschka | f6b85b6 | 2010-05-11 19:34:45 +0000 | [diff] [blame] | 362 | #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 363 | |
| 364 | static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) |
| 365 | { |
Jan Glauber | 3ec90878 | 2011-06-06 14:14:40 +0200 | [diff] [blame] | 366 | return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | enum qeth_qdio_buffer_states { |
| 370 | /* |
| 371 | * inbound: read out by driver; owned by hardware in order to be filled |
| 372 | * outbound: owned by driver in order to be filled |
| 373 | */ |
| 374 | QETH_QDIO_BUF_EMPTY, |
| 375 | /* |
| 376 | * inbound: filled by hardware; owned by driver in order to be read out |
| 377 | * outbound: filled by driver; owned by hardware in order to be sent |
| 378 | */ |
| 379 | QETH_QDIO_BUF_PRIMED, |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 380 | /* |
| 381 | * inbound: not applicable |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 382 | * outbound: identified to be pending in TPQ |
| 383 | */ |
| 384 | QETH_QDIO_BUF_PENDING, |
| 385 | /* |
| 386 | * inbound: not applicable |
| 387 | * outbound: found in completion queue |
| 388 | */ |
| 389 | QETH_QDIO_BUF_IN_CQ, |
| 390 | /* |
| 391 | * inbound: not applicable |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 392 | * outbound: handled via transfer pending / completion queue |
| 393 | */ |
| 394 | QETH_QDIO_BUF_HANDLED_DELAYED, |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 395 | }; |
| 396 | |
| 397 | enum qeth_qdio_info_states { |
| 398 | QETH_QDIO_UNINITIALIZED, |
| 399 | QETH_QDIO_ALLOCATED, |
| 400 | QETH_QDIO_ESTABLISHED, |
| 401 | QETH_QDIO_CLEANING |
| 402 | }; |
| 403 | |
| 404 | struct qeth_buffer_pool_entry { |
| 405 | struct list_head list; |
| 406 | struct list_head init_list; |
| 407 | void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; |
| 408 | }; |
| 409 | |
| 410 | struct qeth_qdio_buffer_pool { |
| 411 | struct list_head entry_list; |
| 412 | int buf_count; |
| 413 | }; |
| 414 | |
| 415 | struct qeth_qdio_buffer { |
| 416 | struct qdio_buffer *buffer; |
| 417 | /* the buffer pool entry currently associated to this buffer */ |
| 418 | struct qeth_buffer_pool_entry *pool_entry; |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 419 | struct sk_buff *rx_skb; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 420 | }; |
| 421 | |
| 422 | struct qeth_qdio_q { |
| 423 | struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 424 | struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 425 | int next_buf_to_init; |
| 426 | } __attribute__ ((aligned(256))); |
| 427 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 428 | struct qeth_qdio_out_buffer { |
| 429 | struct qdio_buffer *buffer; |
| 430 | atomic_t state; |
| 431 | int next_element_to_fill; |
| 432 | struct sk_buff_head skb_list; |
Frank Blaschka | 683d718 | 2008-08-01 16:39:13 +0200 | [diff] [blame] | 433 | int is_header[16]; |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 434 | |
| 435 | struct qaob *aob; |
| 436 | struct qeth_qdio_out_q *q; |
| 437 | struct qeth_qdio_out_buffer *next_pending; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 438 | }; |
| 439 | |
| 440 | struct qeth_card; |
| 441 | |
| 442 | enum qeth_out_q_states { |
| 443 | QETH_OUT_Q_UNLOCKED, |
| 444 | QETH_OUT_Q_LOCKED, |
| 445 | QETH_OUT_Q_LOCKED_FLUSH, |
| 446 | }; |
| 447 | |
| 448 | struct qeth_qdio_out_q { |
| 449 | struct qdio_buffer qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 450 | struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; |
| 451 | struct qdio_outbuf_state *bufstates; /* convenience pointer */ |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 452 | int queue_no; |
| 453 | struct qeth_card *card; |
| 454 | atomic_t state; |
| 455 | int do_pack; |
| 456 | /* |
| 457 | * index of buffer to be filled by driver; state EMPTY or PACKING |
| 458 | */ |
| 459 | int next_buf_to_fill; |
| 460 | /* |
| 461 | * number of buffers that are currently filled (PRIMED) |
| 462 | * -> these buffers are hardware-owned |
| 463 | */ |
| 464 | atomic_t used_buffers; |
| 465 | /* indicates whether PCI flag must be set (or if one is outstanding) */ |
| 466 | atomic_t set_pci_flags_count; |
| 467 | } __attribute__ ((aligned(256))); |
| 468 | |
| 469 | struct qeth_qdio_info { |
| 470 | atomic_t state; |
| 471 | /* input */ |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 472 | int no_in_queues; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 473 | struct qeth_qdio_q *in_q; |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 474 | struct qeth_qdio_q *c_q; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 475 | struct qeth_qdio_buffer_pool in_buf_pool; |
| 476 | struct qeth_qdio_buffer_pool init_pool; |
| 477 | int in_buf_size; |
| 478 | |
| 479 | /* output */ |
| 480 | int no_out_queues; |
| 481 | struct qeth_qdio_out_q **out_qs; |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 482 | struct qdio_outbuf_state *out_bufstates; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 483 | |
| 484 | /* priority queueing */ |
| 485 | int do_prio_queueing; |
| 486 | int default_out_queue; |
| 487 | }; |
| 488 | |
| 489 | enum qeth_send_errors { |
| 490 | QETH_SEND_ERROR_NONE, |
| 491 | QETH_SEND_ERROR_LINK_FAILURE, |
| 492 | QETH_SEND_ERROR_RETRY, |
| 493 | QETH_SEND_ERROR_KICK_IT, |
| 494 | }; |
| 495 | |
| 496 | #define QETH_ETH_MAC_V4 0x0100 /* like v4 */ |
| 497 | #define QETH_ETH_MAC_V6 0x3333 /* like v6 */ |
| 498 | /* tr mc mac is longer, but that will be enough to detect mc frames */ |
| 499 | #define QETH_TR_MAC_NC 0xc000 /* non-canonical */ |
| 500 | #define QETH_TR_MAC_C 0x0300 /* canonical */ |
| 501 | |
| 502 | #define DEFAULT_ADD_HHLEN 0 |
| 503 | #define MAX_ADD_HHLEN 1024 |
| 504 | |
| 505 | /** |
| 506 | * buffer stuff for read channel |
| 507 | */ |
| 508 | #define QETH_CMD_BUFFER_NO 8 |
| 509 | |
| 510 | /** |
| 511 | * channel state machine |
| 512 | */ |
| 513 | enum qeth_channel_states { |
| 514 | CH_STATE_UP, |
| 515 | CH_STATE_DOWN, |
| 516 | CH_STATE_ACTIVATING, |
| 517 | CH_STATE_HALTED, |
| 518 | CH_STATE_STOPPED, |
| 519 | CH_STATE_RCD, |
| 520 | CH_STATE_RCD_DONE, |
| 521 | }; |
| 522 | /** |
| 523 | * card state machine |
| 524 | */ |
| 525 | enum qeth_card_states { |
| 526 | CARD_STATE_DOWN, |
| 527 | CARD_STATE_HARDSETUP, |
| 528 | CARD_STATE_SOFTSETUP, |
| 529 | CARD_STATE_UP, |
| 530 | CARD_STATE_RECOVER, |
| 531 | }; |
| 532 | |
| 533 | /** |
| 534 | * Protocol versions |
| 535 | */ |
| 536 | enum qeth_prot_versions { |
| 537 | QETH_PROT_IPV4 = 0x0004, |
| 538 | QETH_PROT_IPV6 = 0x0006, |
| 539 | }; |
| 540 | |
| 541 | enum qeth_ip_types { |
| 542 | QETH_IP_TYPE_NORMAL, |
| 543 | QETH_IP_TYPE_VIPA, |
| 544 | QETH_IP_TYPE_RXIP, |
| 545 | QETH_IP_TYPE_DEL_ALL_MC, |
| 546 | }; |
| 547 | |
| 548 | enum qeth_cmd_buffer_state { |
| 549 | BUF_STATE_FREE, |
| 550 | BUF_STATE_LOCKED, |
| 551 | BUF_STATE_PROCESSED, |
| 552 | }; |
| 553 | |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 554 | enum qeth_cq { |
| 555 | QETH_CQ_DISABLED = 0, |
| 556 | QETH_CQ_ENABLED = 1, |
| 557 | QETH_CQ_NOTAVAILABLE = 2, |
| 558 | }; |
| 559 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 560 | struct qeth_ipato { |
| 561 | int enabled; |
| 562 | int invert4; |
| 563 | int invert6; |
| 564 | struct list_head entries; |
| 565 | }; |
| 566 | |
| 567 | struct qeth_channel; |
| 568 | |
| 569 | struct qeth_cmd_buffer { |
| 570 | enum qeth_cmd_buffer_state state; |
| 571 | struct qeth_channel *channel; |
| 572 | unsigned char *data; |
| 573 | int rc; |
| 574 | void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); |
| 575 | }; |
| 576 | |
| 577 | /** |
| 578 | * definition of a qeth channel, used for read and write |
| 579 | */ |
| 580 | struct qeth_channel { |
| 581 | enum qeth_channel_states state; |
| 582 | struct ccw1 ccw; |
| 583 | spinlock_t iob_lock; |
| 584 | wait_queue_head_t wait_q; |
| 585 | struct tasklet_struct irq_tasklet; |
| 586 | struct ccw_device *ccwdev; |
| 587 | /*command buffer for control data*/ |
| 588 | struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; |
| 589 | atomic_t irq_pending; |
| 590 | int io_buf_no; |
| 591 | int buf_no; |
| 592 | }; |
| 593 | |
| 594 | /** |
| 595 | * OSA card related definitions |
| 596 | */ |
| 597 | struct qeth_token { |
| 598 | __u32 issuer_rm_w; |
| 599 | __u32 issuer_rm_r; |
| 600 | __u32 cm_filter_w; |
| 601 | __u32 cm_filter_r; |
| 602 | __u32 cm_connection_w; |
| 603 | __u32 cm_connection_r; |
| 604 | __u32 ulp_filter_w; |
| 605 | __u32 ulp_filter_r; |
| 606 | __u32 ulp_connection_w; |
| 607 | __u32 ulp_connection_r; |
| 608 | }; |
| 609 | |
| 610 | struct qeth_seqno { |
| 611 | __u32 trans_hdr; |
| 612 | __u32 pdu_hdr; |
| 613 | __u32 pdu_hdr_ack; |
| 614 | __u16 ipa; |
| 615 | __u32 pkt_seqno; |
| 616 | }; |
| 617 | |
| 618 | struct qeth_reply { |
| 619 | struct list_head list; |
| 620 | wait_queue_head_t wait_q; |
| 621 | int (*callback)(struct qeth_card *, struct qeth_reply *, |
| 622 | unsigned long); |
| 623 | u32 seqno; |
| 624 | unsigned long offset; |
| 625 | atomic_t received; |
| 626 | int rc; |
| 627 | void *param; |
| 628 | struct qeth_card *card; |
| 629 | atomic_t refcnt; |
| 630 | }; |
| 631 | |
| 632 | |
| 633 | struct qeth_card_blkt { |
| 634 | int time_total; |
| 635 | int inter_packet; |
| 636 | int inter_packet_jumbo; |
| 637 | }; |
| 638 | |
| 639 | #define QETH_BROADCAST_WITH_ECHO 0x01 |
| 640 | #define QETH_BROADCAST_WITHOUT_ECHO 0x02 |
| 641 | #define QETH_LAYER2_MAC_READ 0x01 |
| 642 | #define QETH_LAYER2_MAC_REGISTERED 0x02 |
| 643 | struct qeth_card_info { |
| 644 | unsigned short unit_addr2; |
| 645 | unsigned short cula; |
| 646 | unsigned short chpid; |
| 647 | __u16 func_level; |
| 648 | char mcl_level[QETH_MCL_LENGTH + 1]; |
| 649 | int guestlan; |
| 650 | int mac_bits; |
| 651 | int portname_required; |
| 652 | int portno; |
| 653 | char portname[9]; |
| 654 | enum qeth_card_types type; |
| 655 | enum qeth_link_types link_type; |
| 656 | int is_multicast_different; |
| 657 | int initial_mtu; |
| 658 | int max_mtu; |
| 659 | int broadcast_capable; |
| 660 | int unique_id; |
| 661 | struct qeth_card_blkt blkt; |
| 662 | __u32 csum_mask; |
Frank Blaschka | f6b85b6 | 2010-05-11 19:34:45 +0000 | [diff] [blame] | 663 | __u32 tx_csum_mask; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 664 | enum qeth_ipa_promisc_modes promisc_mode; |
Frank Blaschka | 1da74b1 | 2011-05-12 18:45:02 +0000 | [diff] [blame] | 665 | __u32 diagass_support; |
| 666 | __u32 hwtrap; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 667 | }; |
| 668 | |
| 669 | struct qeth_card_options { |
| 670 | struct qeth_routing_info route4; |
| 671 | struct qeth_ipa_info ipa4; |
| 672 | struct qeth_ipa_info adp; /*Adapter parameters*/ |
| 673 | struct qeth_routing_info route6; |
| 674 | struct qeth_ipa_info ipa6; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 675 | int fake_broadcast; |
| 676 | int add_hhlen; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 677 | int layer2; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 678 | int performance_stats; |
| 679 | int rx_sg_cb; |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 680 | enum qeth_ipa_isolation_modes isolation; |
Stefan Raspl | 0f54761 | 2013-01-21 02:30:20 +0000 | [diff] [blame] | 681 | enum qeth_ipa_isolation_modes prev_isolation; |
Ursula Braun | 76b11f8 | 2010-01-11 02:50:50 +0000 | [diff] [blame] | 682 | int sniffer; |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 683 | enum qeth_cq cq; |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 684 | char hsuid[9]; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 685 | }; |
| 686 | |
| 687 | /* |
| 688 | * thread bits for qeth_card thread masks |
| 689 | */ |
| 690 | enum qeth_threads { |
| 691 | QETH_RECOVER_THREAD = 1, |
| 692 | }; |
| 693 | |
| 694 | struct qeth_osn_info { |
| 695 | int (*assist_cb)(struct net_device *dev, void *data); |
| 696 | int (*data_cb)(struct sk_buff *skb); |
| 697 | }; |
| 698 | |
| 699 | enum qeth_discipline_id { |
| 700 | QETH_DISCIPLINE_LAYER3 = 0, |
| 701 | QETH_DISCIPLINE_LAYER2 = 1, |
| 702 | }; |
| 703 | |
| 704 | struct qeth_discipline { |
Frank Blaschka | a1c3ed4 | 2010-09-07 21:14:42 +0000 | [diff] [blame] | 705 | void (*start_poll)(struct ccw_device *, int, unsigned long); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 706 | qdio_handler_t *input_handler; |
| 707 | qdio_handler_t *output_handler; |
| 708 | int (*recover)(void *ptr); |
Sebastian Ott | c041f2d487 | 2012-05-15 18:02:21 +0200 | [diff] [blame] | 709 | int (*setup) (struct ccwgroup_device *); |
| 710 | void (*remove) (struct ccwgroup_device *); |
| 711 | int (*set_online) (struct ccwgroup_device *); |
| 712 | int (*set_offline) (struct ccwgroup_device *); |
| 713 | void (*shutdown)(struct ccwgroup_device *); |
| 714 | int (*prepare) (struct ccwgroup_device *); |
| 715 | void (*complete) (struct ccwgroup_device *); |
| 716 | int (*freeze)(struct ccwgroup_device *); |
| 717 | int (*thaw) (struct ccwgroup_device *); |
| 718 | int (*restore)(struct ccwgroup_device *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 719 | }; |
| 720 | |
| 721 | struct qeth_vlan_vid { |
| 722 | struct list_head list; |
| 723 | unsigned short vid; |
| 724 | }; |
| 725 | |
| 726 | struct qeth_mc_mac { |
| 727 | struct list_head list; |
| 728 | __u8 mc_addr[MAX_ADDR_LEN]; |
| 729 | unsigned char mc_addrlen; |
Frank Blaschka | 7db2266 | 2008-08-15 08:02:59 +0200 | [diff] [blame] | 730 | int is_vmac; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 731 | }; |
| 732 | |
Frank Blaschka | a1c3ed4 | 2010-09-07 21:14:42 +0000 | [diff] [blame] | 733 | struct qeth_rx { |
| 734 | int b_count; |
| 735 | int b_index; |
| 736 | struct qdio_buffer_element *b_element; |
| 737 | int e_offset; |
| 738 | int qdio_err; |
| 739 | }; |
| 740 | |
Sebastian Ott | 6541aa5 | 2013-06-24 13:21:52 +0200 | [diff] [blame] | 741 | #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT |
Frank Blaschka | a1c3ed4 | 2010-09-07 21:14:42 +0000 | [diff] [blame] | 742 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 743 | struct qeth_card { |
| 744 | struct list_head list; |
| 745 | enum qeth_card_states state; |
| 746 | int lan_online; |
| 747 | spinlock_t lock; |
| 748 | struct ccwgroup_device *gdev; |
| 749 | struct qeth_channel read; |
| 750 | struct qeth_channel write; |
| 751 | struct qeth_channel data; |
| 752 | |
| 753 | struct net_device *dev; |
| 754 | struct net_device_stats stats; |
| 755 | |
| 756 | struct qeth_card_info info; |
| 757 | struct qeth_token token; |
| 758 | struct qeth_seqno seqno; |
| 759 | struct qeth_card_options options; |
| 760 | |
| 761 | wait_queue_head_t wait_q; |
| 762 | spinlock_t vlanlock; |
| 763 | spinlock_t mclock; |
Jiri Pirko | 7ff0bcf | 2011-07-20 04:54:41 +0000 | [diff] [blame] | 764 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 765 | struct list_head vid_list; |
| 766 | struct list_head mc_list; |
| 767 | struct work_struct kernel_thread_starter; |
| 768 | spinlock_t thread_mask_lock; |
| 769 | unsigned long thread_start_mask; |
| 770 | unsigned long thread_allowed_mask; |
| 771 | unsigned long thread_running_mask; |
Stefan Raspl | 65d8013 | 2013-04-07 22:19:27 +0000 | [diff] [blame] | 772 | struct task_struct *recovery_task; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 773 | spinlock_t ip_lock; |
| 774 | struct list_head ip_list; |
| 775 | struct list_head *ip_tbd_list; |
| 776 | struct qeth_ipato ipato; |
| 777 | struct list_head cmd_waiter_list; |
| 778 | /* QDIO buffer handling */ |
| 779 | struct qeth_qdio_info qdio; |
| 780 | struct qeth_perf_stats perf_stats; |
Ursula Braun | 908abbb | 2010-07-22 23:15:06 +0000 | [diff] [blame] | 781 | int read_or_write_problem; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 782 | struct qeth_osn_info osn_info; |
Sebastian Ott | c041f2d487 | 2012-05-15 18:02:21 +0200 | [diff] [blame] | 783 | struct qeth_discipline *discipline; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 784 | atomic_t force_alloc_skb; |
Martin Schwidefsky | 6bcac50 | 2008-12-25 13:38:49 +0100 | [diff] [blame] | 785 | struct service_level qeth_service_level; |
Ursula Braun | 76b11f8 | 2010-01-11 02:50:50 +0000 | [diff] [blame] | 786 | struct qdio_ssqd_desc ssqd; |
Carsten Otte | af03906 | 2010-06-21 22:57:04 +0000 | [diff] [blame] | 787 | debug_info_t *debug; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 788 | struct mutex conf_mutex; |
Ursula Braun | 9dc48cc | 2010-07-22 23:15:05 +0000 | [diff] [blame] | 789 | struct mutex discipline_mutex; |
Frank Blaschka | a1c3ed4 | 2010-09-07 21:14:42 +0000 | [diff] [blame] | 790 | struct napi_struct napi; |
| 791 | struct qeth_rx rx; |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 792 | struct delayed_work buffer_reclaim_work; |
| 793 | int reclaim_index; |
Stefan Raspl | 0f54761 | 2013-01-21 02:30:20 +0000 | [diff] [blame] | 794 | struct work_struct close_dev_work; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 795 | }; |
| 796 | |
| 797 | struct qeth_card_list_struct { |
| 798 | struct list_head list; |
| 799 | rwlock_t rwlock; |
| 800 | }; |
| 801 | |
Frank Blaschka | 1da74b1 | 2011-05-12 18:45:02 +0000 | [diff] [blame] | 802 | struct qeth_trap_id { |
| 803 | __u16 lparnr; |
| 804 | char vmname[8]; |
| 805 | __u8 chpid; |
| 806 | __u8 ssid; |
| 807 | __u16 devno; |
| 808 | } __packed; |
| 809 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 810 | /*some helper functions*/ |
| 811 | #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") |
| 812 | |
| 813 | static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) |
| 814 | { |
| 815 | struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) |
| 816 | dev_get_drvdata(&cdev->dev))->dev); |
| 817 | return card; |
| 818 | } |
| 819 | |
| 820 | static inline int qeth_get_micros(void) |
| 821 | { |
Heiko Carstens | 1aae056 | 2013-01-30 09:49:40 +0100 | [diff] [blame] | 822 | return (int) (get_tod_clock() >> 12); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 823 | } |
| 824 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 825 | static inline int qeth_get_ip_version(struct sk_buff *skb) |
| 826 | { |
Frank Blaschka | 21fde74 | 2010-03-08 20:36:54 +0000 | [diff] [blame] | 827 | struct ethhdr *ehdr = (struct ethhdr *)skb->data; |
| 828 | switch (ehdr->h_proto) { |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 829 | case ETH_P_IPV6: |
| 830 | return 6; |
| 831 | case ETH_P_IP: |
| 832 | return 4; |
| 833 | default: |
| 834 | return 0; |
| 835 | } |
| 836 | } |
| 837 | |
Frank Blaschka | f90b744 | 2008-04-24 10:15:24 +0200 | [diff] [blame] | 838 | static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, |
| 839 | struct qeth_buffer_pool_entry *entry) |
| 840 | { |
| 841 | list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); |
| 842 | } |
| 843 | |
Frank Blaschka | 1da74b1 | 2011-05-12 18:45:02 +0000 | [diff] [blame] | 844 | static inline int qeth_is_diagass_supported(struct qeth_card *card, |
| 845 | enum qeth_diags_cmds cmd) |
| 846 | { |
| 847 | return card->info.diagass_support & (__u32)cmd; |
| 848 | } |
| 849 | |
Sebastian Ott | c041f2d487 | 2012-05-15 18:02:21 +0200 | [diff] [blame] | 850 | extern struct qeth_discipline qeth_l2_discipline; |
| 851 | extern struct qeth_discipline qeth_l3_discipline; |
Sebastian Ott | b7169c5 | 2012-05-15 18:01:46 +0200 | [diff] [blame] | 852 | extern const struct attribute_group *qeth_generic_attr_groups[]; |
| 853 | extern const struct attribute_group *qeth_osn_attr_groups[]; |
| 854 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 855 | const char *qeth_get_cardname_short(struct qeth_card *); |
| 856 | int qeth_realloc_buffer_pool(struct qeth_card *, int); |
| 857 | int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); |
| 858 | void qeth_core_free_discipline(struct qeth_card *); |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 859 | void qeth_buffer_reclaim_work(struct work_struct *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 860 | |
| 861 | /* exports for qeth discipline device drivers */ |
| 862 | extern struct qeth_card_list_struct qeth_core_card_list; |
Frank Blaschka | 683d718 | 2008-08-01 16:39:13 +0200 | [diff] [blame] | 863 | extern struct kmem_cache *qeth_core_header_cache; |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame] | 864 | extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 865 | |
Stefan Raspl | 65d8013 | 2013-04-07 22:19:27 +0000 | [diff] [blame] | 866 | void qeth_set_recovery_task(struct qeth_card *); |
| 867 | void qeth_clear_recovery_task(struct qeth_card *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 868 | void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); |
| 869 | int qeth_threads_running(struct qeth_card *, unsigned long); |
| 870 | int qeth_wait_for_threads(struct qeth_card *, unsigned long); |
| 871 | int qeth_do_run_thread(struct qeth_card *, unsigned long); |
| 872 | void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); |
| 873 | void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); |
| 874 | int qeth_core_hardsetup_card(struct qeth_card *); |
| 875 | void qeth_print_status_message(struct qeth_card *); |
| 876 | int qeth_init_qdio_queues(struct qeth_card *); |
| 877 | int qeth_send_startlan(struct qeth_card *); |
| 878 | int qeth_send_stoplan(struct qeth_card *); |
| 879 | int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, |
| 880 | int (*reply_cb) |
| 881 | (struct qeth_card *, struct qeth_reply *, unsigned long), |
| 882 | void *); |
| 883 | struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, |
| 884 | enum qeth_ipa_cmds, enum qeth_prot_versions); |
| 885 | int qeth_query_setadapterparms(struct qeth_card *); |
Ursula Braun | 76b11f8 | 2010-01-11 02:50:50 +0000 | [diff] [blame] | 886 | int qeth_check_qdio_errors(struct qeth_card *, struct qdio_buffer *, |
| 887 | unsigned int, const char *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 888 | void qeth_queue_input_buffer(struct qeth_card *, int); |
| 889 | struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, |
Frank Blaschka | b333293 | 2011-08-08 01:33:59 +0000 | [diff] [blame] | 890 | struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 891 | struct qeth_hdr **); |
| 892 | void qeth_schedule_recovery(struct qeth_card *); |
Frank Blaschka | a1c3ed4 | 2010-09-07 21:14:42 +0000 | [diff] [blame] | 893 | void qeth_qdio_start_poll(struct ccw_device *, int, unsigned long); |
| 894 | void qeth_qdio_input_handler(struct ccw_device *, |
| 895 | unsigned int, unsigned int, int, |
| 896 | int, unsigned long); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 897 | void qeth_qdio_output_handler(struct ccw_device *, unsigned int, |
Jan Glauber | 779e6e1 | 2008-07-17 17:16:48 +0200 | [diff] [blame] | 898 | int, int, int, unsigned long); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 899 | void qeth_clear_ipacmd_list(struct qeth_card *); |
| 900 | int qeth_qdio_clear_card(struct qeth_card *, int); |
| 901 | void qeth_clear_working_pool_list(struct qeth_card *); |
| 902 | void qeth_clear_cmd_buffers(struct qeth_channel *); |
| 903 | void qeth_clear_qdio_buffers(struct qeth_card *); |
| 904 | void qeth_setadp_promisc_mode(struct qeth_card *); |
| 905 | struct net_device_stats *qeth_get_stats(struct net_device *); |
| 906 | int qeth_change_mtu(struct net_device *, int); |
| 907 | int qeth_setadpparms_change_macaddr(struct qeth_card *); |
| 908 | void qeth_tx_timeout(struct net_device *); |
| 909 | void qeth_prepare_control_data(struct qeth_card *, int, |
| 910 | struct qeth_cmd_buffer *); |
| 911 | void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); |
| 912 | void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); |
| 913 | struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); |
| 914 | int qeth_mdio_read(struct net_device *, int, int); |
| 915 | int qeth_snmp_command(struct qeth_card *, char __user *); |
Frank Blaschka | c3ab96f | 2012-02-08 00:19:49 +0000 | [diff] [blame] | 916 | int qeth_query_oat_command(struct qeth_card *, char __user *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 917 | int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, |
| 918 | int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), |
| 919 | void *reply_param); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 920 | int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); |
Stefan Raspl | 065cc78 | 2013-04-22 01:12:28 +0000 | [diff] [blame] | 921 | int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); |
Frank Blaschka | 271648b | 2013-03-18 20:04:44 +0000 | [diff] [blame] | 922 | int qeth_get_elements_for_frags(struct sk_buff *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 923 | int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, |
Frank Blaschka | 64ef895 | 2009-03-24 20:57:16 +0000 | [diff] [blame] | 924 | struct sk_buff *, struct qeth_hdr *, int, int, int); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 925 | int qeth_do_send_packet(struct qeth_card *, struct qeth_qdio_out_q *, |
Frank Blaschka | 64ef895 | 2009-03-24 20:57:16 +0000 | [diff] [blame] | 926 | struct sk_buff *, struct qeth_hdr *, int); |
Ben Hutchings | df8b4ec | 2009-10-01 11:24:32 +0000 | [diff] [blame] | 927 | int qeth_core_get_sset_count(struct net_device *, int); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 928 | void qeth_core_get_ethtool_stats(struct net_device *, |
| 929 | struct ethtool_stats *, u64 *); |
| 930 | void qeth_core_get_strings(struct net_device *, u32, u8 *); |
| 931 | void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); |
Carsten Otte | 8e96c51 | 2010-06-21 22:57:03 +0000 | [diff] [blame] | 932 | void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); |
Frank Blaschka | 3f9975a | 2008-04-24 10:15:23 +0200 | [diff] [blame] | 933 | int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *); |
Stefan Raspl | 0f54761 | 2013-01-21 02:30:20 +0000 | [diff] [blame] | 934 | int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); |
Stefan Raspl | d4ae1f5 | 2013-04-22 01:12:29 +0000 | [diff] [blame] | 935 | int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); |
Einar Lueck | 0da9581 | 2011-08-08 01:33:58 +0000 | [diff] [blame] | 936 | int qeth_configure_cq(struct qeth_card *, enum qeth_cq); |
Frank Blaschka | 1da74b1 | 2011-05-12 18:45:02 +0000 | [diff] [blame] | 937 | int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); |
| 938 | int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); |
Stefan Raspl | 395672e0 | 2012-11-19 02:46:49 +0000 | [diff] [blame] | 939 | void qeth_trace_features(struct qeth_card *); |
Stefan Raspl | 0f54761 | 2013-01-21 02:30:20 +0000 | [diff] [blame] | 940 | void qeth_close_dev(struct qeth_card *); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 941 | |
| 942 | /* exports for OSN */ |
| 943 | int qeth_osn_assist(struct net_device *, void *, int); |
| 944 | int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, |
| 945 | int (*assist_cb)(struct net_device *, void *), |
| 946 | int (*data_cb)(struct sk_buff *)); |
| 947 | void qeth_osn_deregister(struct net_device *); |
| 948 | |
| 949 | #endif /* __QETH_CORE_H__ */ |