Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1 | /* |
| 2 | * drivers/s390/net/qeth_core_sys.c |
| 3 | * |
| 4 | * Copyright IBM Corp. 2007 |
| 5 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
| 6 | * Frank Pavlic <fpavlic@de.ibm.com>, |
| 7 | * Thomas Spatzier <tspat@de.ibm.com>, |
| 8 | * Frank Blaschka <frank.blaschka@de.ibm.com> |
| 9 | */ |
| 10 | |
Ursula Braun | fe7a262 | 2010-03-08 20:36:53 +0000 | [diff] [blame] | 11 | #define KMSG_COMPONENT "qeth" |
| 12 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt |
| 13 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 14 | #include <linux/list.h> |
| 15 | #include <linux/rwsem.h> |
| 16 | #include <asm/ebcdic.h> |
| 17 | |
| 18 | #include "qeth_core.h" |
| 19 | |
| 20 | static ssize_t qeth_dev_state_show(struct device *dev, |
| 21 | struct device_attribute *attr, char *buf) |
| 22 | { |
| 23 | struct qeth_card *card = dev_get_drvdata(dev); |
| 24 | if (!card) |
| 25 | return -EINVAL; |
| 26 | |
| 27 | switch (card->state) { |
| 28 | case CARD_STATE_DOWN: |
| 29 | return sprintf(buf, "DOWN\n"); |
| 30 | case CARD_STATE_HARDSETUP: |
| 31 | return sprintf(buf, "HARDSETUP\n"); |
| 32 | case CARD_STATE_SOFTSETUP: |
| 33 | return sprintf(buf, "SOFTSETUP\n"); |
| 34 | case CARD_STATE_UP: |
| 35 | if (card->lan_online) |
| 36 | return sprintf(buf, "UP (LAN ONLINE)\n"); |
| 37 | else |
| 38 | return sprintf(buf, "UP (LAN OFFLINE)\n"); |
| 39 | case CARD_STATE_RECOVER: |
| 40 | return sprintf(buf, "RECOVER\n"); |
| 41 | default: |
| 42 | return sprintf(buf, "UNKNOWN\n"); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL); |
| 47 | |
| 48 | static ssize_t qeth_dev_chpid_show(struct device *dev, |
| 49 | struct device_attribute *attr, char *buf) |
| 50 | { |
| 51 | struct qeth_card *card = dev_get_drvdata(dev); |
| 52 | if (!card) |
| 53 | return -EINVAL; |
| 54 | |
| 55 | return sprintf(buf, "%02X\n", card->info.chpid); |
| 56 | } |
| 57 | |
| 58 | static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL); |
| 59 | |
| 60 | static ssize_t qeth_dev_if_name_show(struct device *dev, |
| 61 | struct device_attribute *attr, char *buf) |
| 62 | { |
| 63 | struct qeth_card *card = dev_get_drvdata(dev); |
| 64 | if (!card) |
| 65 | return -EINVAL; |
| 66 | return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card)); |
| 67 | } |
| 68 | |
| 69 | static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL); |
| 70 | |
| 71 | static ssize_t qeth_dev_card_type_show(struct device *dev, |
| 72 | struct device_attribute *attr, char *buf) |
| 73 | { |
| 74 | struct qeth_card *card = dev_get_drvdata(dev); |
| 75 | if (!card) |
| 76 | return -EINVAL; |
| 77 | |
| 78 | return sprintf(buf, "%s\n", qeth_get_cardname_short(card)); |
| 79 | } |
| 80 | |
| 81 | static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL); |
| 82 | |
| 83 | static inline const char *qeth_get_bufsize_str(struct qeth_card *card) |
| 84 | { |
| 85 | if (card->qdio.in_buf_size == 16384) |
| 86 | return "16k"; |
| 87 | else if (card->qdio.in_buf_size == 24576) |
| 88 | return "24k"; |
| 89 | else if (card->qdio.in_buf_size == 32768) |
| 90 | return "32k"; |
| 91 | else if (card->qdio.in_buf_size == 40960) |
| 92 | return "40k"; |
| 93 | else |
| 94 | return "64k"; |
| 95 | } |
| 96 | |
| 97 | static ssize_t qeth_dev_inbuf_size_show(struct device *dev, |
| 98 | struct device_attribute *attr, char *buf) |
| 99 | { |
| 100 | struct qeth_card *card = dev_get_drvdata(dev); |
| 101 | if (!card) |
| 102 | return -EINVAL; |
| 103 | |
| 104 | return sprintf(buf, "%s\n", qeth_get_bufsize_str(card)); |
| 105 | } |
| 106 | |
| 107 | static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL); |
| 108 | |
| 109 | static ssize_t qeth_dev_portno_show(struct device *dev, |
| 110 | struct device_attribute *attr, char *buf) |
| 111 | { |
| 112 | struct qeth_card *card = dev_get_drvdata(dev); |
| 113 | if (!card) |
| 114 | return -EINVAL; |
| 115 | |
| 116 | return sprintf(buf, "%i\n", card->info.portno); |
| 117 | } |
| 118 | |
| 119 | static ssize_t qeth_dev_portno_store(struct device *dev, |
| 120 | struct device_attribute *attr, const char *buf, size_t count) |
| 121 | { |
| 122 | struct qeth_card *card = dev_get_drvdata(dev); |
| 123 | char *tmp; |
Ursula Braun | 76b11f8 | 2010-01-11 02:50:50 +0000 | [diff] [blame] | 124 | unsigned int portno, limit; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 125 | int rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 126 | |
| 127 | if (!card) |
| 128 | return -EINVAL; |
| 129 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 130 | mutex_lock(&card->conf_mutex); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 131 | if ((card->state != CARD_STATE_DOWN) && |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 132 | (card->state != CARD_STATE_RECOVER)) { |
| 133 | rc = -EPERM; |
| 134 | goto out; |
| 135 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 136 | |
| 137 | portno = simple_strtoul(buf, &tmp, 16); |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 138 | if (portno > QETH_MAX_PORTNO) { |
| 139 | rc = -EINVAL; |
| 140 | goto out; |
| 141 | } |
Ursula Braun | 76b11f8 | 2010-01-11 02:50:50 +0000 | [diff] [blame] | 142 | limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt); |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 143 | if (portno > limit) { |
| 144 | rc = -EINVAL; |
| 145 | goto out; |
| 146 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 147 | card->info.portno = portno; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 148 | out: |
| 149 | mutex_unlock(&card->conf_mutex); |
| 150 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store); |
| 154 | |
| 155 | static ssize_t qeth_dev_portname_show(struct device *dev, |
| 156 | struct device_attribute *attr, char *buf) |
| 157 | { |
| 158 | struct qeth_card *card = dev_get_drvdata(dev); |
| 159 | char portname[9] = {0, }; |
| 160 | |
| 161 | if (!card) |
| 162 | return -EINVAL; |
| 163 | |
| 164 | if (card->info.portname_required) { |
| 165 | memcpy(portname, card->info.portname + 1, 8); |
| 166 | EBCASC(portname, 8); |
| 167 | return sprintf(buf, "%s\n", portname); |
| 168 | } else |
| 169 | return sprintf(buf, "no portname required\n"); |
| 170 | } |
| 171 | |
| 172 | static ssize_t qeth_dev_portname_store(struct device *dev, |
| 173 | struct device_attribute *attr, const char *buf, size_t count) |
| 174 | { |
| 175 | struct qeth_card *card = dev_get_drvdata(dev); |
| 176 | char *tmp; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 177 | int i, rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 178 | |
| 179 | if (!card) |
| 180 | return -EINVAL; |
| 181 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 182 | mutex_lock(&card->conf_mutex); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 183 | if ((card->state != CARD_STATE_DOWN) && |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 184 | (card->state != CARD_STATE_RECOVER)) { |
| 185 | rc = -EPERM; |
| 186 | goto out; |
| 187 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 188 | |
| 189 | tmp = strsep((char **) &buf, "\n"); |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 190 | if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) { |
| 191 | rc = -EINVAL; |
| 192 | goto out; |
| 193 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 194 | |
| 195 | card->info.portname[0] = strlen(tmp); |
| 196 | /* for beauty reasons */ |
| 197 | for (i = 1; i < 9; i++) |
| 198 | card->info.portname[i] = ' '; |
| 199 | strcpy(card->info.portname + 1, tmp); |
| 200 | ASCEBC(card->info.portname + 1, 8); |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 201 | out: |
| 202 | mutex_unlock(&card->conf_mutex); |
| 203 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show, |
| 207 | qeth_dev_portname_store); |
| 208 | |
| 209 | static ssize_t qeth_dev_prioqing_show(struct device *dev, |
| 210 | struct device_attribute *attr, char *buf) |
| 211 | { |
| 212 | struct qeth_card *card = dev_get_drvdata(dev); |
| 213 | |
| 214 | if (!card) |
| 215 | return -EINVAL; |
| 216 | |
| 217 | switch (card->qdio.do_prio_queueing) { |
| 218 | case QETH_PRIO_Q_ING_PREC: |
| 219 | return sprintf(buf, "%s\n", "by precedence"); |
| 220 | case QETH_PRIO_Q_ING_TOS: |
| 221 | return sprintf(buf, "%s\n", "by type of service"); |
| 222 | default: |
| 223 | return sprintf(buf, "always queue %i\n", |
| 224 | card->qdio.default_out_queue); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | static ssize_t qeth_dev_prioqing_store(struct device *dev, |
| 229 | struct device_attribute *attr, const char *buf, size_t count) |
| 230 | { |
| 231 | struct qeth_card *card = dev_get_drvdata(dev); |
| 232 | char *tmp; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 233 | int rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 234 | |
| 235 | if (!card) |
| 236 | return -EINVAL; |
| 237 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 238 | mutex_lock(&card->conf_mutex); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 239 | if ((card->state != CARD_STATE_DOWN) && |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 240 | (card->state != CARD_STATE_RECOVER)) { |
| 241 | rc = -EPERM; |
| 242 | goto out; |
| 243 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 244 | |
| 245 | /* check if 1920 devices are supported , |
| 246 | * if though we have to permit priority queueing |
| 247 | */ |
| 248 | if (card->qdio.no_out_queues == 1) { |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 249 | card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 250 | rc = -EPERM; |
| 251 | goto out; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | tmp = strsep((char **) &buf, "\n"); |
| 255 | if (!strcmp(tmp, "prio_queueing_prec")) |
| 256 | card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC; |
| 257 | else if (!strcmp(tmp, "prio_queueing_tos")) |
| 258 | card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS; |
| 259 | else if (!strcmp(tmp, "no_prio_queueing:0")) { |
| 260 | card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; |
| 261 | card->qdio.default_out_queue = 0; |
| 262 | } else if (!strcmp(tmp, "no_prio_queueing:1")) { |
| 263 | card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; |
| 264 | card->qdio.default_out_queue = 1; |
| 265 | } else if (!strcmp(tmp, "no_prio_queueing:2")) { |
| 266 | card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; |
| 267 | card->qdio.default_out_queue = 2; |
| 268 | } else if (!strcmp(tmp, "no_prio_queueing:3")) { |
| 269 | card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; |
| 270 | card->qdio.default_out_queue = 3; |
| 271 | } else if (!strcmp(tmp, "no_prio_queueing")) { |
| 272 | card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING; |
| 273 | card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 274 | } else |
| 275 | rc = -EINVAL; |
| 276 | out: |
| 277 | mutex_unlock(&card->conf_mutex); |
| 278 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show, |
| 282 | qeth_dev_prioqing_store); |
| 283 | |
| 284 | static ssize_t qeth_dev_bufcnt_show(struct device *dev, |
| 285 | struct device_attribute *attr, char *buf) |
| 286 | { |
| 287 | struct qeth_card *card = dev_get_drvdata(dev); |
| 288 | |
| 289 | if (!card) |
| 290 | return -EINVAL; |
| 291 | |
| 292 | return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count); |
| 293 | } |
| 294 | |
| 295 | static ssize_t qeth_dev_bufcnt_store(struct device *dev, |
| 296 | struct device_attribute *attr, const char *buf, size_t count) |
| 297 | { |
| 298 | struct qeth_card *card = dev_get_drvdata(dev); |
| 299 | char *tmp; |
| 300 | int cnt, old_cnt; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 301 | int rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 302 | |
| 303 | if (!card) |
| 304 | return -EINVAL; |
| 305 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 306 | mutex_lock(&card->conf_mutex); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 307 | if ((card->state != CARD_STATE_DOWN) && |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 308 | (card->state != CARD_STATE_RECOVER)) { |
| 309 | rc = -EPERM; |
| 310 | goto out; |
| 311 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 312 | |
| 313 | old_cnt = card->qdio.in_buf_pool.buf_count; |
| 314 | cnt = simple_strtoul(buf, &tmp, 10); |
| 315 | cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN : |
| 316 | ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt); |
| 317 | if (old_cnt != cnt) { |
| 318 | rc = qeth_realloc_buffer_pool(card, cnt); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 319 | } |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 320 | out: |
| 321 | mutex_unlock(&card->conf_mutex); |
| 322 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show, |
| 326 | qeth_dev_bufcnt_store); |
| 327 | |
| 328 | static ssize_t qeth_dev_recover_store(struct device *dev, |
| 329 | struct device_attribute *attr, const char *buf, size_t count) |
| 330 | { |
| 331 | struct qeth_card *card = dev_get_drvdata(dev); |
| 332 | char *tmp; |
| 333 | int i; |
| 334 | |
| 335 | if (!card) |
| 336 | return -EINVAL; |
| 337 | |
| 338 | if (card->state != CARD_STATE_UP) |
| 339 | return -EPERM; |
| 340 | |
| 341 | i = simple_strtoul(buf, &tmp, 16); |
| 342 | if (i == 1) |
| 343 | qeth_schedule_recovery(card); |
| 344 | |
| 345 | return count; |
| 346 | } |
| 347 | |
| 348 | static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store); |
| 349 | |
| 350 | static ssize_t qeth_dev_performance_stats_show(struct device *dev, |
| 351 | struct device_attribute *attr, char *buf) |
| 352 | { |
| 353 | struct qeth_card *card = dev_get_drvdata(dev); |
| 354 | |
| 355 | if (!card) |
| 356 | return -EINVAL; |
| 357 | |
| 358 | return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0); |
| 359 | } |
| 360 | |
| 361 | static ssize_t qeth_dev_performance_stats_store(struct device *dev, |
| 362 | struct device_attribute *attr, const char *buf, size_t count) |
| 363 | { |
| 364 | struct qeth_card *card = dev_get_drvdata(dev); |
| 365 | char *tmp; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 366 | int i, rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 367 | |
| 368 | if (!card) |
| 369 | return -EINVAL; |
| 370 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 371 | mutex_lock(&card->conf_mutex); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 372 | i = simple_strtoul(buf, &tmp, 16); |
| 373 | if ((i == 0) || (i == 1)) { |
| 374 | if (i == card->options.performance_stats) |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 375 | goto out;; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 376 | card->options.performance_stats = i; |
| 377 | if (i == 0) |
| 378 | memset(&card->perf_stats, 0, |
| 379 | sizeof(struct qeth_perf_stats)); |
| 380 | card->perf_stats.initial_rx_packets = card->stats.rx_packets; |
| 381 | card->perf_stats.initial_tx_packets = card->stats.tx_packets; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 382 | } else |
| 383 | rc = -EINVAL; |
| 384 | out: |
| 385 | mutex_unlock(&card->conf_mutex); |
| 386 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show, |
| 390 | qeth_dev_performance_stats_store); |
| 391 | |
| 392 | static ssize_t qeth_dev_layer2_show(struct device *dev, |
| 393 | struct device_attribute *attr, char *buf) |
| 394 | { |
| 395 | struct qeth_card *card = dev_get_drvdata(dev); |
| 396 | |
| 397 | if (!card) |
| 398 | return -EINVAL; |
| 399 | |
Ursula Braun | 7c6a3ed | 2009-08-26 02:01:10 +0000 | [diff] [blame] | 400 | return sprintf(buf, "%i\n", card->options.layer2); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | static ssize_t qeth_dev_layer2_store(struct device *dev, |
| 404 | struct device_attribute *attr, const char *buf, size_t count) |
| 405 | { |
| 406 | struct qeth_card *card = dev_get_drvdata(dev); |
| 407 | char *tmp; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 408 | int i, rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 409 | enum qeth_discipline_id newdis; |
| 410 | |
| 411 | if (!card) |
| 412 | return -EINVAL; |
| 413 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 414 | mutex_lock(&card->conf_mutex); |
| 415 | if (card->state != CARD_STATE_DOWN) { |
| 416 | rc = -EPERM; |
| 417 | goto out; |
| 418 | } |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 419 | |
| 420 | i = simple_strtoul(buf, &tmp, 16); |
| 421 | switch (i) { |
| 422 | case 0: |
| 423 | newdis = QETH_DISCIPLINE_LAYER3; |
| 424 | break; |
| 425 | case 1: |
| 426 | newdis = QETH_DISCIPLINE_LAYER2; |
| 427 | break; |
| 428 | default: |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 429 | rc = -EINVAL; |
| 430 | goto out; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 431 | } |
| 432 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 433 | if (card->options.layer2 == newdis) |
| 434 | goto out; |
| 435 | else { |
Carsten Otte | 75e0de1 | 2010-07-22 23:15:04 +0000 | [diff] [blame^] | 436 | card->info.mac_bits = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 437 | if (card->discipline.ccwgdriver) { |
| 438 | card->discipline.ccwgdriver->remove(card->gdev); |
| 439 | qeth_core_free_discipline(card); |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | rc = qeth_core_load_discipline(card, newdis); |
| 444 | if (rc) |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 445 | goto out; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 446 | |
| 447 | rc = card->discipline.ccwgdriver->probe(card->gdev); |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 448 | out: |
| 449 | mutex_unlock(&card->conf_mutex); |
| 450 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 451 | } |
| 452 | |
| 453 | static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show, |
| 454 | qeth_dev_layer2_store); |
| 455 | |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 456 | #define ATTR_QETH_ISOLATION_NONE ("none") |
| 457 | #define ATTR_QETH_ISOLATION_FWD ("forward") |
| 458 | #define ATTR_QETH_ISOLATION_DROP ("drop") |
| 459 | |
| 460 | static ssize_t qeth_dev_isolation_show(struct device *dev, |
| 461 | struct device_attribute *attr, char *buf) |
| 462 | { |
| 463 | struct qeth_card *card = dev_get_drvdata(dev); |
| 464 | |
| 465 | if (!card) |
| 466 | return -EINVAL; |
| 467 | |
| 468 | switch (card->options.isolation) { |
| 469 | case ISOLATION_MODE_NONE: |
| 470 | return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE); |
| 471 | case ISOLATION_MODE_FWD: |
| 472 | return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD); |
| 473 | case ISOLATION_MODE_DROP: |
| 474 | return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP); |
| 475 | default: |
| 476 | return snprintf(buf, 5, "%s\n", "N/A"); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | static ssize_t qeth_dev_isolation_store(struct device *dev, |
| 481 | struct device_attribute *attr, const char *buf, size_t count) |
| 482 | { |
| 483 | struct qeth_card *card = dev_get_drvdata(dev); |
| 484 | enum qeth_ipa_isolation_modes isolation; |
| 485 | int rc = 0; |
| 486 | char *tmp, *curtoken; |
| 487 | curtoken = (char *) buf; |
| 488 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 489 | if (!card) |
| 490 | return -EINVAL; |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 491 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 492 | mutex_lock(&card->conf_mutex); |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 493 | /* check for unknown, too, in case we do not yet know who we are */ |
Ursula Braun | 5113fec | 2010-05-16 21:15:14 +0000 | [diff] [blame] | 494 | if (card->info.type != QETH_CARD_TYPE_OSD && |
| 495 | card->info.type != QETH_CARD_TYPE_OSX && |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 496 | card->info.type != QETH_CARD_TYPE_UNKNOWN) { |
| 497 | rc = -EOPNOTSUPP; |
| 498 | dev_err(&card->gdev->dev, "Adapter does not " |
| 499 | "support QDIO data connection isolation\n"); |
| 500 | goto out; |
| 501 | } |
| 502 | |
| 503 | /* parse input into isolation mode */ |
| 504 | tmp = strsep(&curtoken, "\n"); |
| 505 | if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) { |
| 506 | isolation = ISOLATION_MODE_NONE; |
| 507 | } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) { |
| 508 | isolation = ISOLATION_MODE_FWD; |
| 509 | } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) { |
| 510 | isolation = ISOLATION_MODE_DROP; |
| 511 | } else { |
| 512 | rc = -EINVAL; |
| 513 | goto out; |
| 514 | } |
| 515 | rc = count; |
| 516 | |
| 517 | /* defer IP assist if device is offline (until discipline->set_online)*/ |
| 518 | card->options.isolation = isolation; |
| 519 | if (card->state == CARD_STATE_SOFTSETUP || |
| 520 | card->state == CARD_STATE_UP) { |
| 521 | int ipa_rc = qeth_set_access_ctrl_online(card); |
| 522 | if (ipa_rc != 0) |
| 523 | rc = ipa_rc; |
| 524 | } |
| 525 | out: |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 526 | mutex_unlock(&card->conf_mutex); |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 527 | return rc; |
| 528 | } |
| 529 | |
| 530 | static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show, |
| 531 | qeth_dev_isolation_store); |
| 532 | |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 533 | static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value) |
| 534 | { |
| 535 | |
| 536 | if (!card) |
| 537 | return -EINVAL; |
| 538 | |
| 539 | return sprintf(buf, "%i\n", value); |
| 540 | } |
| 541 | |
| 542 | static ssize_t qeth_dev_blkt_store(struct qeth_card *card, |
| 543 | const char *buf, size_t count, int *value, int max_value) |
| 544 | { |
| 545 | char *tmp; |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 546 | int i, rc = 0; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 547 | |
| 548 | if (!card) |
| 549 | return -EINVAL; |
| 550 | |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 551 | mutex_lock(&card->conf_mutex); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 552 | if ((card->state != CARD_STATE_DOWN) && |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 553 | (card->state != CARD_STATE_RECOVER)) { |
| 554 | rc = -EPERM; |
| 555 | goto out; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 556 | } |
Frank Blaschka | c4949f0 | 2010-05-11 19:34:47 +0000 | [diff] [blame] | 557 | i = simple_strtoul(buf, &tmp, 10); |
| 558 | if (i <= max_value) |
| 559 | *value = i; |
| 560 | else |
| 561 | rc = -EINVAL; |
| 562 | out: |
| 563 | mutex_unlock(&card->conf_mutex); |
| 564 | return rc ? rc : count; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 565 | } |
| 566 | |
| 567 | static ssize_t qeth_dev_blkt_total_show(struct device *dev, |
| 568 | struct device_attribute *attr, char *buf) |
| 569 | { |
| 570 | struct qeth_card *card = dev_get_drvdata(dev); |
| 571 | |
| 572 | return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total); |
| 573 | } |
| 574 | |
| 575 | static ssize_t qeth_dev_blkt_total_store(struct device *dev, |
| 576 | struct device_attribute *attr, const char *buf, size_t count) |
| 577 | { |
| 578 | struct qeth_card *card = dev_get_drvdata(dev); |
| 579 | |
| 580 | return qeth_dev_blkt_store(card, buf, count, |
Einar Lueck | a60389a | 2010-01-11 02:50:52 +0000 | [diff] [blame] | 581 | &card->info.blkt.time_total, 5000); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | |
| 585 | |
| 586 | static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show, |
| 587 | qeth_dev_blkt_total_store); |
| 588 | |
| 589 | static ssize_t qeth_dev_blkt_inter_show(struct device *dev, |
| 590 | struct device_attribute *attr, char *buf) |
| 591 | { |
| 592 | struct qeth_card *card = dev_get_drvdata(dev); |
| 593 | |
| 594 | return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet); |
| 595 | } |
| 596 | |
| 597 | static ssize_t qeth_dev_blkt_inter_store(struct device *dev, |
| 598 | struct device_attribute *attr, const char *buf, size_t count) |
| 599 | { |
| 600 | struct qeth_card *card = dev_get_drvdata(dev); |
| 601 | |
| 602 | return qeth_dev_blkt_store(card, buf, count, |
Einar Lueck | a60389a | 2010-01-11 02:50:52 +0000 | [diff] [blame] | 603 | &card->info.blkt.inter_packet, 1000); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show, |
| 607 | qeth_dev_blkt_inter_store); |
| 608 | |
| 609 | static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev, |
| 610 | struct device_attribute *attr, char *buf) |
| 611 | { |
| 612 | struct qeth_card *card = dev_get_drvdata(dev); |
| 613 | |
| 614 | return qeth_dev_blkt_show(buf, card, |
| 615 | card->info.blkt.inter_packet_jumbo); |
| 616 | } |
| 617 | |
| 618 | static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev, |
| 619 | struct device_attribute *attr, const char *buf, size_t count) |
| 620 | { |
| 621 | struct qeth_card *card = dev_get_drvdata(dev); |
| 622 | |
| 623 | return qeth_dev_blkt_store(card, buf, count, |
Einar Lueck | a60389a | 2010-01-11 02:50:52 +0000 | [diff] [blame] | 624 | &card->info.blkt.inter_packet_jumbo, 1000); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show, |
| 628 | qeth_dev_blkt_inter_jumbo_store); |
| 629 | |
| 630 | static struct attribute *qeth_blkt_device_attrs[] = { |
| 631 | &dev_attr_total.attr, |
| 632 | &dev_attr_inter.attr, |
| 633 | &dev_attr_inter_jumbo.attr, |
| 634 | NULL, |
| 635 | }; |
| 636 | |
| 637 | static struct attribute_group qeth_device_blkt_group = { |
| 638 | .name = "blkt", |
| 639 | .attrs = qeth_blkt_device_attrs, |
| 640 | }; |
| 641 | |
| 642 | static struct attribute *qeth_device_attrs[] = { |
| 643 | &dev_attr_state.attr, |
| 644 | &dev_attr_chpid.attr, |
| 645 | &dev_attr_if_name.attr, |
| 646 | &dev_attr_card_type.attr, |
| 647 | &dev_attr_inbuf_size.attr, |
| 648 | &dev_attr_portno.attr, |
| 649 | &dev_attr_portname.attr, |
| 650 | &dev_attr_priority_queueing.attr, |
| 651 | &dev_attr_buffer_count.attr, |
| 652 | &dev_attr_recover.attr, |
| 653 | &dev_attr_performance_stats.attr, |
| 654 | &dev_attr_layer2.attr, |
Einar Lueck | d64ecc2 | 2009-11-12 00:11:41 +0000 | [diff] [blame] | 655 | &dev_attr_isolation.attr, |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 656 | NULL, |
| 657 | }; |
| 658 | |
| 659 | static struct attribute_group qeth_device_attr_group = { |
| 660 | .attrs = qeth_device_attrs, |
| 661 | }; |
| 662 | |
| 663 | static struct attribute *qeth_osn_device_attrs[] = { |
| 664 | &dev_attr_state.attr, |
| 665 | &dev_attr_chpid.attr, |
| 666 | &dev_attr_if_name.attr, |
| 667 | &dev_attr_card_type.attr, |
| 668 | &dev_attr_buffer_count.attr, |
| 669 | &dev_attr_recover.attr, |
| 670 | NULL, |
| 671 | }; |
| 672 | |
| 673 | static struct attribute_group qeth_osn_device_attr_group = { |
| 674 | .attrs = qeth_osn_device_attrs, |
| 675 | }; |
| 676 | |
| 677 | int qeth_core_create_device_attributes(struct device *dev) |
| 678 | { |
| 679 | int ret; |
| 680 | ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group); |
| 681 | if (ret) |
| 682 | return ret; |
| 683 | ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group); |
| 684 | if (ret) |
| 685 | sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); |
| 686 | |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | void qeth_core_remove_device_attributes(struct device *dev) |
| 691 | { |
| 692 | sysfs_remove_group(&dev->kobj, &qeth_device_attr_group); |
| 693 | sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group); |
| 694 | } |
| 695 | |
| 696 | int qeth_core_create_osn_attributes(struct device *dev) |
| 697 | { |
| 698 | return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group); |
| 699 | } |
| 700 | |
| 701 | void qeth_core_remove_osn_attributes(struct device *dev) |
| 702 | { |
| 703 | sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group); |
| 704 | return; |
| 705 | } |