qeth_core_sys.c 20 KB

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  1. /*
  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. #define KMSG_COMPONENT "qeth"
  9. #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
  10. #include <linux/list.h>
  11. #include <linux/rwsem.h>
  12. #include <asm/ebcdic.h>
  13. #include "qeth_core.h"
  14. static ssize_t qeth_dev_state_show(struct device *dev,
  15. struct device_attribute *attr, char *buf)
  16. {
  17. struct qeth_card *card = dev_get_drvdata(dev);
  18. if (!card)
  19. return -EINVAL;
  20. switch (card->state) {
  21. case CARD_STATE_DOWN:
  22. return sprintf(buf, "DOWN\n");
  23. case CARD_STATE_HARDSETUP:
  24. return sprintf(buf, "HARDSETUP\n");
  25. case CARD_STATE_SOFTSETUP:
  26. return sprintf(buf, "SOFTSETUP\n");
  27. case CARD_STATE_UP:
  28. if (card->lan_online)
  29. return sprintf(buf, "UP (LAN ONLINE)\n");
  30. else
  31. return sprintf(buf, "UP (LAN OFFLINE)\n");
  32. case CARD_STATE_RECOVER:
  33. return sprintf(buf, "RECOVER\n");
  34. default:
  35. return sprintf(buf, "UNKNOWN\n");
  36. }
  37. }
  38. static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
  39. static ssize_t qeth_dev_chpid_show(struct device *dev,
  40. struct device_attribute *attr, char *buf)
  41. {
  42. struct qeth_card *card = dev_get_drvdata(dev);
  43. if (!card)
  44. return -EINVAL;
  45. return sprintf(buf, "%02X\n", card->info.chpid);
  46. }
  47. static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
  48. static ssize_t qeth_dev_if_name_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. return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
  55. }
  56. static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
  57. static ssize_t qeth_dev_card_type_show(struct device *dev,
  58. struct device_attribute *attr, char *buf)
  59. {
  60. struct qeth_card *card = dev_get_drvdata(dev);
  61. if (!card)
  62. return -EINVAL;
  63. return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
  64. }
  65. static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
  66. static inline const char *qeth_get_bufsize_str(struct qeth_card *card)
  67. {
  68. if (card->qdio.in_buf_size == 16384)
  69. return "16k";
  70. else if (card->qdio.in_buf_size == 24576)
  71. return "24k";
  72. else if (card->qdio.in_buf_size == 32768)
  73. return "32k";
  74. else if (card->qdio.in_buf_size == 40960)
  75. return "40k";
  76. else
  77. return "64k";
  78. }
  79. static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
  80. struct device_attribute *attr, char *buf)
  81. {
  82. struct qeth_card *card = dev_get_drvdata(dev);
  83. if (!card)
  84. return -EINVAL;
  85. return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
  86. }
  87. static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
  88. static ssize_t qeth_dev_portno_show(struct device *dev,
  89. struct device_attribute *attr, char *buf)
  90. {
  91. struct qeth_card *card = dev_get_drvdata(dev);
  92. if (!card)
  93. return -EINVAL;
  94. return sprintf(buf, "%i\n", card->info.portno);
  95. }
  96. static ssize_t qeth_dev_portno_store(struct device *dev,
  97. struct device_attribute *attr, const char *buf, size_t count)
  98. {
  99. struct qeth_card *card = dev_get_drvdata(dev);
  100. char *tmp;
  101. unsigned int portno, limit;
  102. int rc = 0;
  103. if (!card)
  104. return -EINVAL;
  105. mutex_lock(&card->conf_mutex);
  106. if ((card->state != CARD_STATE_DOWN) &&
  107. (card->state != CARD_STATE_RECOVER)) {
  108. rc = -EPERM;
  109. goto out;
  110. }
  111. portno = simple_strtoul(buf, &tmp, 16);
  112. if (portno > QETH_MAX_PORTNO) {
  113. rc = -EINVAL;
  114. goto out;
  115. }
  116. limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
  117. if (portno > limit) {
  118. rc = -EINVAL;
  119. goto out;
  120. }
  121. card->info.portno = portno;
  122. out:
  123. mutex_unlock(&card->conf_mutex);
  124. return rc ? rc : count;
  125. }
  126. static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
  127. static ssize_t qeth_dev_portname_show(struct device *dev,
  128. struct device_attribute *attr, char *buf)
  129. {
  130. struct qeth_card *card = dev_get_drvdata(dev);
  131. char portname[9] = {0, };
  132. if (!card)
  133. return -EINVAL;
  134. if (card->info.portname_required) {
  135. memcpy(portname, card->info.portname + 1, 8);
  136. EBCASC(portname, 8);
  137. return sprintf(buf, "%s\n", portname);
  138. } else
  139. return sprintf(buf, "no portname required\n");
  140. }
  141. static ssize_t qeth_dev_portname_store(struct device *dev,
  142. struct device_attribute *attr, const char *buf, size_t count)
  143. {
  144. struct qeth_card *card = dev_get_drvdata(dev);
  145. char *tmp;
  146. int i, rc = 0;
  147. if (!card)
  148. return -EINVAL;
  149. mutex_lock(&card->conf_mutex);
  150. if ((card->state != CARD_STATE_DOWN) &&
  151. (card->state != CARD_STATE_RECOVER)) {
  152. rc = -EPERM;
  153. goto out;
  154. }
  155. tmp = strsep((char **) &buf, "\n");
  156. if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) {
  157. rc = -EINVAL;
  158. goto out;
  159. }
  160. card->info.portname[0] = strlen(tmp);
  161. /* for beauty reasons */
  162. for (i = 1; i < 9; i++)
  163. card->info.portname[i] = ' ';
  164. strcpy(card->info.portname + 1, tmp);
  165. ASCEBC(card->info.portname + 1, 8);
  166. out:
  167. mutex_unlock(&card->conf_mutex);
  168. return rc ? rc : count;
  169. }
  170. static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
  171. qeth_dev_portname_store);
  172. static ssize_t qeth_dev_prioqing_show(struct device *dev,
  173. struct device_attribute *attr, char *buf)
  174. {
  175. struct qeth_card *card = dev_get_drvdata(dev);
  176. if (!card)
  177. return -EINVAL;
  178. switch (card->qdio.do_prio_queueing) {
  179. case QETH_PRIO_Q_ING_PREC:
  180. return sprintf(buf, "%s\n", "by precedence");
  181. case QETH_PRIO_Q_ING_TOS:
  182. return sprintf(buf, "%s\n", "by type of service");
  183. case QETH_PRIO_Q_ING_SKB:
  184. return sprintf(buf, "%s\n", "by skb-priority");
  185. case QETH_PRIO_Q_ING_VLAN:
  186. return sprintf(buf, "%s\n", "by VLAN headers");
  187. default:
  188. return sprintf(buf, "always queue %i\n",
  189. card->qdio.default_out_queue);
  190. }
  191. }
  192. static ssize_t qeth_dev_prioqing_store(struct device *dev,
  193. struct device_attribute *attr, const char *buf, size_t count)
  194. {
  195. struct qeth_card *card = dev_get_drvdata(dev);
  196. char *tmp;
  197. int rc = 0;
  198. if (!card)
  199. return -EINVAL;
  200. mutex_lock(&card->conf_mutex);
  201. if ((card->state != CARD_STATE_DOWN) &&
  202. (card->state != CARD_STATE_RECOVER)) {
  203. rc = -EPERM;
  204. goto out;
  205. }
  206. /* check if 1920 devices are supported ,
  207. * if though we have to permit priority queueing
  208. */
  209. if (card->qdio.no_out_queues == 1) {
  210. card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
  211. rc = -EPERM;
  212. goto out;
  213. }
  214. tmp = strsep((char **) &buf, "\n");
  215. if (!strcmp(tmp, "prio_queueing_prec")) {
  216. card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
  217. card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
  218. } else if (!strcmp(tmp, "prio_queueing_skb")) {
  219. card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
  220. card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
  221. } else if (!strcmp(tmp, "prio_queueing_tos")) {
  222. card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
  223. card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
  224. } else if (!strcmp(tmp, "prio_queueing_vlan")) {
  225. if (!card->options.layer2) {
  226. rc = -ENOTSUPP;
  227. goto out;
  228. }
  229. card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
  230. card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
  231. } else if (!strcmp(tmp, "no_prio_queueing:0")) {
  232. card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
  233. card->qdio.default_out_queue = 0;
  234. } else if (!strcmp(tmp, "no_prio_queueing:1")) {
  235. card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
  236. card->qdio.default_out_queue = 1;
  237. } else if (!strcmp(tmp, "no_prio_queueing:2")) {
  238. card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
  239. card->qdio.default_out_queue = 2;
  240. } else if (!strcmp(tmp, "no_prio_queueing:3")) {
  241. card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
  242. card->qdio.default_out_queue = 3;
  243. } else if (!strcmp(tmp, "no_prio_queueing")) {
  244. card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
  245. card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
  246. } else
  247. rc = -EINVAL;
  248. out:
  249. mutex_unlock(&card->conf_mutex);
  250. return rc ? rc : count;
  251. }
  252. static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
  253. qeth_dev_prioqing_store);
  254. static ssize_t qeth_dev_bufcnt_show(struct device *dev,
  255. struct device_attribute *attr, char *buf)
  256. {
  257. struct qeth_card *card = dev_get_drvdata(dev);
  258. if (!card)
  259. return -EINVAL;
  260. return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
  261. }
  262. static ssize_t qeth_dev_bufcnt_store(struct device *dev,
  263. struct device_attribute *attr, const char *buf, size_t count)
  264. {
  265. struct qeth_card *card = dev_get_drvdata(dev);
  266. char *tmp;
  267. int cnt, old_cnt;
  268. int rc = 0;
  269. if (!card)
  270. return -EINVAL;
  271. mutex_lock(&card->conf_mutex);
  272. if ((card->state != CARD_STATE_DOWN) &&
  273. (card->state != CARD_STATE_RECOVER)) {
  274. rc = -EPERM;
  275. goto out;
  276. }
  277. old_cnt = card->qdio.in_buf_pool.buf_count;
  278. cnt = simple_strtoul(buf, &tmp, 10);
  279. cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
  280. ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
  281. if (old_cnt != cnt) {
  282. rc = qeth_realloc_buffer_pool(card, cnt);
  283. }
  284. out:
  285. mutex_unlock(&card->conf_mutex);
  286. return rc ? rc : count;
  287. }
  288. static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
  289. qeth_dev_bufcnt_store);
  290. static ssize_t qeth_dev_recover_store(struct device *dev,
  291. struct device_attribute *attr, const char *buf, size_t count)
  292. {
  293. struct qeth_card *card = dev_get_drvdata(dev);
  294. char *tmp;
  295. int i;
  296. if (!card)
  297. return -EINVAL;
  298. if (card->state != CARD_STATE_UP)
  299. return -EPERM;
  300. i = simple_strtoul(buf, &tmp, 16);
  301. if (i == 1)
  302. qeth_schedule_recovery(card);
  303. return count;
  304. }
  305. static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
  306. static ssize_t qeth_dev_performance_stats_show(struct device *dev,
  307. struct device_attribute *attr, char *buf)
  308. {
  309. struct qeth_card *card = dev_get_drvdata(dev);
  310. if (!card)
  311. return -EINVAL;
  312. return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
  313. }
  314. static ssize_t qeth_dev_performance_stats_store(struct device *dev,
  315. struct device_attribute *attr, const char *buf, size_t count)
  316. {
  317. struct qeth_card *card = dev_get_drvdata(dev);
  318. char *tmp;
  319. int i, rc = 0;
  320. if (!card)
  321. return -EINVAL;
  322. mutex_lock(&card->conf_mutex);
  323. i = simple_strtoul(buf, &tmp, 16);
  324. if ((i == 0) || (i == 1)) {
  325. if (i == card->options.performance_stats)
  326. goto out;
  327. card->options.performance_stats = i;
  328. if (i == 0)
  329. memset(&card->perf_stats, 0,
  330. sizeof(struct qeth_perf_stats));
  331. card->perf_stats.initial_rx_packets = card->stats.rx_packets;
  332. card->perf_stats.initial_tx_packets = card->stats.tx_packets;
  333. } else
  334. rc = -EINVAL;
  335. out:
  336. mutex_unlock(&card->conf_mutex);
  337. return rc ? rc : count;
  338. }
  339. static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
  340. qeth_dev_performance_stats_store);
  341. static ssize_t qeth_dev_layer2_show(struct device *dev,
  342. struct device_attribute *attr, char *buf)
  343. {
  344. struct qeth_card *card = dev_get_drvdata(dev);
  345. if (!card)
  346. return -EINVAL;
  347. return sprintf(buf, "%i\n", card->options.layer2);
  348. }
  349. static ssize_t qeth_dev_layer2_store(struct device *dev,
  350. struct device_attribute *attr, const char *buf, size_t count)
  351. {
  352. struct qeth_card *card = dev_get_drvdata(dev);
  353. char *tmp;
  354. int i, rc = 0;
  355. enum qeth_discipline_id newdis;
  356. if (!card)
  357. return -EINVAL;
  358. mutex_lock(&card->discipline_mutex);
  359. if (card->state != CARD_STATE_DOWN) {
  360. rc = -EPERM;
  361. goto out;
  362. }
  363. i = simple_strtoul(buf, &tmp, 16);
  364. switch (i) {
  365. case 0:
  366. newdis = QETH_DISCIPLINE_LAYER3;
  367. break;
  368. case 1:
  369. newdis = QETH_DISCIPLINE_LAYER2;
  370. break;
  371. default:
  372. rc = -EINVAL;
  373. goto out;
  374. }
  375. if (card->options.layer2 == newdis)
  376. goto out;
  377. else {
  378. card->info.mac_bits = 0;
  379. if (card->discipline) {
  380. card->discipline->remove(card->gdev);
  381. qeth_core_free_discipline(card);
  382. }
  383. }
  384. rc = qeth_core_load_discipline(card, newdis);
  385. if (rc)
  386. goto out;
  387. rc = card->discipline->setup(card->gdev);
  388. out:
  389. mutex_unlock(&card->discipline_mutex);
  390. return rc ? rc : count;
  391. }
  392. static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
  393. qeth_dev_layer2_store);
  394. #define ATTR_QETH_ISOLATION_NONE ("none")
  395. #define ATTR_QETH_ISOLATION_FWD ("forward")
  396. #define ATTR_QETH_ISOLATION_DROP ("drop")
  397. static ssize_t qeth_dev_isolation_show(struct device *dev,
  398. struct device_attribute *attr, char *buf)
  399. {
  400. struct qeth_card *card = dev_get_drvdata(dev);
  401. if (!card)
  402. return -EINVAL;
  403. switch (card->options.isolation) {
  404. case ISOLATION_MODE_NONE:
  405. return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
  406. case ISOLATION_MODE_FWD:
  407. return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
  408. case ISOLATION_MODE_DROP:
  409. return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
  410. default:
  411. return snprintf(buf, 5, "%s\n", "N/A");
  412. }
  413. }
  414. static ssize_t qeth_dev_isolation_store(struct device *dev,
  415. struct device_attribute *attr, const char *buf, size_t count)
  416. {
  417. struct qeth_card *card = dev_get_drvdata(dev);
  418. enum qeth_ipa_isolation_modes isolation;
  419. int rc = 0;
  420. char *tmp, *curtoken;
  421. curtoken = (char *) buf;
  422. if (!card)
  423. return -EINVAL;
  424. mutex_lock(&card->conf_mutex);
  425. /* check for unknown, too, in case we do not yet know who we are */
  426. if (card->info.type != QETH_CARD_TYPE_OSD &&
  427. card->info.type != QETH_CARD_TYPE_OSX &&
  428. card->info.type != QETH_CARD_TYPE_UNKNOWN) {
  429. rc = -EOPNOTSUPP;
  430. dev_err(&card->gdev->dev, "Adapter does not "
  431. "support QDIO data connection isolation\n");
  432. goto out;
  433. }
  434. /* parse input into isolation mode */
  435. tmp = strsep(&curtoken, "\n");
  436. if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) {
  437. isolation = ISOLATION_MODE_NONE;
  438. } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) {
  439. isolation = ISOLATION_MODE_FWD;
  440. } else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) {
  441. isolation = ISOLATION_MODE_DROP;
  442. } else {
  443. rc = -EINVAL;
  444. goto out;
  445. }
  446. rc = count;
  447. /* defer IP assist if device is offline (until discipline->set_online)*/
  448. card->options.prev_isolation = card->options.isolation;
  449. card->options.isolation = isolation;
  450. if (card->state == CARD_STATE_SOFTSETUP ||
  451. card->state == CARD_STATE_UP) {
  452. int ipa_rc = qeth_set_access_ctrl_online(card, 1);
  453. if (ipa_rc != 0)
  454. rc = ipa_rc;
  455. }
  456. out:
  457. mutex_unlock(&card->conf_mutex);
  458. return rc;
  459. }
  460. static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
  461. qeth_dev_isolation_store);
  462. static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
  463. struct device_attribute *attr, char *buf)
  464. {
  465. struct qeth_card *card = dev_get_drvdata(dev);
  466. struct qeth_switch_info sw_info;
  467. int rc = 0;
  468. if (!card)
  469. return -EINVAL;
  470. if (card->state != CARD_STATE_SOFTSETUP && card->state != CARD_STATE_UP)
  471. return sprintf(buf, "n/a\n");
  472. rc = qeth_query_switch_attributes(card, &sw_info);
  473. if (rc)
  474. return rc;
  475. if (!sw_info.capabilities)
  476. rc = sprintf(buf, "unknown");
  477. if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
  478. rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
  479. "[802.1]" : "802.1"));
  480. if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
  481. rc += sprintf(buf + rc,
  482. (sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
  483. " [rr]" : " rr"));
  484. rc += sprintf(buf + rc, "\n");
  485. return rc;
  486. }
  487. static DEVICE_ATTR(switch_attrs, 0444,
  488. qeth_dev_switch_attrs_show, NULL);
  489. static ssize_t qeth_hw_trap_show(struct device *dev,
  490. struct device_attribute *attr, char *buf)
  491. {
  492. struct qeth_card *card = dev_get_drvdata(dev);
  493. if (!card)
  494. return -EINVAL;
  495. if (card->info.hwtrap)
  496. return snprintf(buf, 5, "arm\n");
  497. else
  498. return snprintf(buf, 8, "disarm\n");
  499. }
  500. static ssize_t qeth_hw_trap_store(struct device *dev,
  501. struct device_attribute *attr, const char *buf, size_t count)
  502. {
  503. struct qeth_card *card = dev_get_drvdata(dev);
  504. int rc = 0;
  505. char *tmp, *curtoken;
  506. int state = 0;
  507. curtoken = (char *)buf;
  508. if (!card)
  509. return -EINVAL;
  510. mutex_lock(&card->conf_mutex);
  511. if (card->state == CARD_STATE_SOFTSETUP || card->state == CARD_STATE_UP)
  512. state = 1;
  513. tmp = strsep(&curtoken, "\n");
  514. if (!strcmp(tmp, "arm") && !card->info.hwtrap) {
  515. if (state) {
  516. if (qeth_is_diagass_supported(card,
  517. QETH_DIAGS_CMD_TRAP)) {
  518. rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
  519. if (!rc)
  520. card->info.hwtrap = 1;
  521. } else
  522. rc = -EINVAL;
  523. } else
  524. card->info.hwtrap = 1;
  525. } else if (!strcmp(tmp, "disarm") && card->info.hwtrap) {
  526. if (state) {
  527. rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
  528. if (!rc)
  529. card->info.hwtrap = 0;
  530. } else
  531. card->info.hwtrap = 0;
  532. } else if (!strcmp(tmp, "trap") && state && card->info.hwtrap)
  533. rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
  534. else
  535. rc = -EINVAL;
  536. mutex_unlock(&card->conf_mutex);
  537. return rc ? rc : count;
  538. }
  539. static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
  540. qeth_hw_trap_store);
  541. static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
  542. {
  543. if (!card)
  544. return -EINVAL;
  545. return sprintf(buf, "%i\n", value);
  546. }
  547. static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
  548. const char *buf, size_t count, int *value, int max_value)
  549. {
  550. char *tmp;
  551. int i, rc = 0;
  552. if (!card)
  553. return -EINVAL;
  554. mutex_lock(&card->conf_mutex);
  555. if ((card->state != CARD_STATE_DOWN) &&
  556. (card->state != CARD_STATE_RECOVER)) {
  557. rc = -EPERM;
  558. goto out;
  559. }
  560. i = simple_strtoul(buf, &tmp, 10);
  561. if (i <= max_value)
  562. *value = i;
  563. else
  564. rc = -EINVAL;
  565. out:
  566. mutex_unlock(&card->conf_mutex);
  567. return rc ? rc : count;
  568. }
  569. static ssize_t qeth_dev_blkt_total_show(struct device *dev,
  570. struct device_attribute *attr, char *buf)
  571. {
  572. struct qeth_card *card = dev_get_drvdata(dev);
  573. return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
  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. return qeth_dev_blkt_store(card, buf, count,
  580. &card->info.blkt.time_total, 5000);
  581. }
  582. static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
  583. qeth_dev_blkt_total_store);
  584. static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
  585. struct device_attribute *attr, char *buf)
  586. {
  587. struct qeth_card *card = dev_get_drvdata(dev);
  588. return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
  589. }
  590. static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
  591. struct device_attribute *attr, const char *buf, size_t count)
  592. {
  593. struct qeth_card *card = dev_get_drvdata(dev);
  594. return qeth_dev_blkt_store(card, buf, count,
  595. &card->info.blkt.inter_packet, 1000);
  596. }
  597. static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
  598. qeth_dev_blkt_inter_store);
  599. static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
  600. struct device_attribute *attr, char *buf)
  601. {
  602. struct qeth_card *card = dev_get_drvdata(dev);
  603. return qeth_dev_blkt_show(buf, card,
  604. card->info.blkt.inter_packet_jumbo);
  605. }
  606. static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
  607. struct device_attribute *attr, const char *buf, size_t count)
  608. {
  609. struct qeth_card *card = dev_get_drvdata(dev);
  610. return qeth_dev_blkt_store(card, buf, count,
  611. &card->info.blkt.inter_packet_jumbo, 1000);
  612. }
  613. static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
  614. qeth_dev_blkt_inter_jumbo_store);
  615. static struct attribute *qeth_blkt_device_attrs[] = {
  616. &dev_attr_total.attr,
  617. &dev_attr_inter.attr,
  618. &dev_attr_inter_jumbo.attr,
  619. NULL,
  620. };
  621. static struct attribute_group qeth_device_blkt_group = {
  622. .name = "blkt",
  623. .attrs = qeth_blkt_device_attrs,
  624. };
  625. static struct attribute *qeth_device_attrs[] = {
  626. &dev_attr_state.attr,
  627. &dev_attr_chpid.attr,
  628. &dev_attr_if_name.attr,
  629. &dev_attr_card_type.attr,
  630. &dev_attr_inbuf_size.attr,
  631. &dev_attr_portno.attr,
  632. &dev_attr_portname.attr,
  633. &dev_attr_priority_queueing.attr,
  634. &dev_attr_buffer_count.attr,
  635. &dev_attr_recover.attr,
  636. &dev_attr_performance_stats.attr,
  637. &dev_attr_layer2.attr,
  638. &dev_attr_isolation.attr,
  639. &dev_attr_hw_trap.attr,
  640. &dev_attr_switch_attrs.attr,
  641. NULL,
  642. };
  643. static struct attribute_group qeth_device_attr_group = {
  644. .attrs = qeth_device_attrs,
  645. };
  646. const struct attribute_group *qeth_generic_attr_groups[] = {
  647. &qeth_device_attr_group,
  648. &qeth_device_blkt_group,
  649. NULL,
  650. };
  651. static struct attribute *qeth_osn_device_attrs[] = {
  652. &dev_attr_state.attr,
  653. &dev_attr_chpid.attr,
  654. &dev_attr_if_name.attr,
  655. &dev_attr_card_type.attr,
  656. &dev_attr_buffer_count.attr,
  657. &dev_attr_recover.attr,
  658. NULL,
  659. };
  660. static struct attribute_group qeth_osn_device_attr_group = {
  661. .attrs = qeth_osn_device_attrs,
  662. };
  663. const struct attribute_group *qeth_osn_attr_groups[] = {
  664. &qeth_osn_device_attr_group,
  665. NULL,
  666. };