2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
4 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include "core_priv.h"
37 #include <linux/slab.h>
38 #include <linux/stat.h>
39 #include <linux/string.h>
40 #include <linux/netdevice.h>
42 #include <rdma/ib_mad.h>
43 #include <rdma/ib_pma.h>
47 struct gid_attr_group {
50 struct attribute_group ndev;
51 struct attribute_group type;
55 struct ib_device *ibdev;
56 struct gid_attr_group *gid_attr_group;
57 struct attribute_group gid_group;
58 struct attribute_group pkey_group;
60 struct attribute_group *pma_table;
63 struct port_attribute {
64 struct attribute attr;
65 ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf);
66 ssize_t (*store)(struct ib_port *, struct port_attribute *,
67 const char *buf, size_t count);
70 #define PORT_ATTR(_name, _mode, _show, _store) \
71 struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store)
73 #define PORT_ATTR_RO(_name) \
74 struct port_attribute port_attr_##_name = __ATTR_RO(_name)
76 struct port_table_attribute {
77 struct port_attribute attr;
83 static ssize_t port_attr_show(struct kobject *kobj,
84 struct attribute *attr, char *buf)
86 struct port_attribute *port_attr =
87 container_of(attr, struct port_attribute, attr);
88 struct ib_port *p = container_of(kobj, struct ib_port, kobj);
93 return port_attr->show(p, port_attr, buf);
96 static const struct sysfs_ops port_sysfs_ops = {
97 .show = port_attr_show
100 static ssize_t gid_attr_show(struct kobject *kobj,
101 struct attribute *attr, char *buf)
103 struct port_attribute *port_attr =
104 container_of(attr, struct port_attribute, attr);
105 struct ib_port *p = container_of(kobj, struct gid_attr_group,
108 if (!port_attr->show)
111 return port_attr->show(p, port_attr, buf);
114 static const struct sysfs_ops gid_attr_sysfs_ops = {
115 .show = gid_attr_show
118 static ssize_t state_show(struct ib_port *p, struct port_attribute *unused,
121 struct ib_port_attr attr;
124 static const char *state_name[] = {
125 [IB_PORT_NOP] = "NOP",
126 [IB_PORT_DOWN] = "DOWN",
127 [IB_PORT_INIT] = "INIT",
128 [IB_PORT_ARMED] = "ARMED",
129 [IB_PORT_ACTIVE] = "ACTIVE",
130 [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER"
133 ret = ib_query_port(p->ibdev, p->port_num, &attr);
137 return sprintf(buf, "%d: %s\n", attr.state,
138 attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ?
139 state_name[attr.state] : "UNKNOWN");
142 static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused,
145 struct ib_port_attr attr;
148 ret = ib_query_port(p->ibdev, p->port_num, &attr);
152 return sprintf(buf, "0x%x\n", attr.lid);
155 static ssize_t lid_mask_count_show(struct ib_port *p,
156 struct port_attribute *unused,
159 struct ib_port_attr attr;
162 ret = ib_query_port(p->ibdev, p->port_num, &attr);
166 return sprintf(buf, "%d\n", attr.lmc);
169 static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused,
172 struct ib_port_attr attr;
175 ret = ib_query_port(p->ibdev, p->port_num, &attr);
179 return sprintf(buf, "0x%x\n", attr.sm_lid);
182 static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused,
185 struct ib_port_attr attr;
188 ret = ib_query_port(p->ibdev, p->port_num, &attr);
192 return sprintf(buf, "%d\n", attr.sm_sl);
195 static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused,
198 struct ib_port_attr attr;
201 ret = ib_query_port(p->ibdev, p->port_num, &attr);
205 return sprintf(buf, "0x%08x\n", attr.port_cap_flags);
208 static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
211 struct ib_port_attr attr;
213 int rate; /* in deci-Gb/sec */
216 ret = ib_query_port(p->ibdev, p->port_num, &attr);
220 switch (attr.active_speed) {
242 default: /* default to SDR for invalid rates */
247 rate *= ib_width_enum_to_int(attr.active_width);
251 return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
252 rate / 10, rate % 10 ? ".5" : "",
253 ib_width_enum_to_int(attr.active_width), speed);
256 static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused,
259 struct ib_port_attr attr;
263 ret = ib_query_port(p->ibdev, p->port_num, &attr);
267 switch (attr.phys_state) {
268 case 1: return sprintf(buf, "1: Sleep\n");
269 case 2: return sprintf(buf, "2: Polling\n");
270 case 3: return sprintf(buf, "3: Disabled\n");
271 case 4: return sprintf(buf, "4: PortConfigurationTraining\n");
272 case 5: return sprintf(buf, "5: LinkUp\n");
273 case 6: return sprintf(buf, "6: LinkErrorRecovery\n");
274 case 7: return sprintf(buf, "7: Phy Test\n");
275 default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state);
279 static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused,
282 switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) {
283 case IB_LINK_LAYER_INFINIBAND:
284 return sprintf(buf, "%s\n", "InfiniBand");
285 case IB_LINK_LAYER_ETHERNET:
286 return sprintf(buf, "%s\n", "Ethernet");
288 return sprintf(buf, "%s\n", "Unknown");
292 static PORT_ATTR_RO(state);
293 static PORT_ATTR_RO(lid);
294 static PORT_ATTR_RO(lid_mask_count);
295 static PORT_ATTR_RO(sm_lid);
296 static PORT_ATTR_RO(sm_sl);
297 static PORT_ATTR_RO(cap_mask);
298 static PORT_ATTR_RO(rate);
299 static PORT_ATTR_RO(phys_state);
300 static PORT_ATTR_RO(link_layer);
302 static struct attribute *port_default_attrs[] = {
303 &port_attr_state.attr,
305 &port_attr_lid_mask_count.attr,
306 &port_attr_sm_lid.attr,
307 &port_attr_sm_sl.attr,
308 &port_attr_cap_mask.attr,
309 &port_attr_rate.attr,
310 &port_attr_phys_state.attr,
311 &port_attr_link_layer.attr,
315 static size_t print_ndev(struct ib_gid_attr *gid_attr, char *buf)
320 return sprintf(buf, "%s\n", gid_attr->ndev->name);
323 static size_t print_gid_type(struct ib_gid_attr *gid_attr, char *buf)
325 return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type));
328 static ssize_t _show_port_gid_attr(struct ib_port *p,
329 struct port_attribute *attr,
331 size_t (*print)(struct ib_gid_attr *gid_attr,
334 struct port_table_attribute *tab_attr =
335 container_of(attr, struct port_table_attribute, attr);
337 struct ib_gid_attr gid_attr = {};
341 ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid,
346 ret = print(&gid_attr, buf);
350 dev_put(gid_attr.ndev);
355 static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
358 struct port_table_attribute *tab_attr =
359 container_of(attr, struct port_table_attribute, attr);
363 ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid, NULL);
367 return sprintf(buf, "%pI6\n", gid.raw);
370 static ssize_t show_port_gid_attr_ndev(struct ib_port *p,
371 struct port_attribute *attr, char *buf)
373 return _show_port_gid_attr(p, attr, buf, print_ndev);
376 static ssize_t show_port_gid_attr_gid_type(struct ib_port *p,
377 struct port_attribute *attr,
380 return _show_port_gid_attr(p, attr, buf, print_gid_type);
383 static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr,
386 struct port_table_attribute *tab_attr =
387 container_of(attr, struct port_table_attribute, attr);
391 ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey);
395 return sprintf(buf, "0x%04x\n", pkey);
398 #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \
399 struct port_table_attribute port_pma_attr_##_name = { \
400 .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
401 .index = (_offset) | ((_width) << 16) | ((_counter) << 24), \
402 .attr_id = IB_PMA_PORT_COUNTERS , \
405 #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \
406 struct port_table_attribute port_pma_attr_ext_##_name = { \
407 .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
408 .index = (_offset) | ((_width) << 16), \
409 .attr_id = IB_PMA_PORT_COUNTERS_EXT , \
413 * Get a Perfmgmt MAD block of data.
414 * Returns error code or the number of bytes retrieved.
416 static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr,
417 void *data, int offset, size_t size)
419 struct ib_mad *in_mad;
420 struct ib_mad *out_mad;
421 size_t mad_size = sizeof(*out_mad);
422 u16 out_mad_pkey_index = 0;
425 if (!dev->process_mad)
428 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
429 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
430 if (!in_mad || !out_mad) {
435 in_mad->mad_hdr.base_version = 1;
436 in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
437 in_mad->mad_hdr.class_version = 1;
438 in_mad->mad_hdr.method = IB_MGMT_METHOD_GET;
439 in_mad->mad_hdr.attr_id = attr;
441 if (attr != IB_PMA_CLASS_PORT_INFO)
442 in_mad->data[41] = port_num; /* PortSelect field */
444 if ((dev->process_mad(dev, IB_MAD_IGNORE_MKEY,
445 port_num, NULL, NULL,
446 (const struct ib_mad_hdr *)in_mad, mad_size,
447 (struct ib_mad_hdr *)out_mad, &mad_size,
448 &out_mad_pkey_index) &
449 (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) !=
450 (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) {
454 memcpy(data, out_mad->data + offset, size);
462 static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
465 struct port_table_attribute *tab_attr =
466 container_of(attr, struct port_table_attribute, attr);
467 int offset = tab_attr->index & 0xffff;
468 int width = (tab_attr->index >> 16) & 0xff;
472 ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data,
473 40 + offset / 8, sizeof(data));
475 return sprintf(buf, "N/A (no PMA)\n");
479 ret = sprintf(buf, "%u\n", (*data >>
480 (4 - (offset % 8))) & 0xf);
483 ret = sprintf(buf, "%u\n", *data);
486 ret = sprintf(buf, "%u\n",
487 be16_to_cpup((__be16 *)data));
490 ret = sprintf(buf, "%u\n",
491 be32_to_cpup((__be32 *)data));
494 ret = sprintf(buf, "%llu\n",
495 be64_to_cpup((__be64 *)data));
505 static PORT_PMA_ATTR(symbol_error , 0, 16, 32);
506 static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48);
507 static PORT_PMA_ATTR(link_downed , 2, 8, 56);
508 static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64);
509 static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80);
510 static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96);
511 static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112);
512 static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128);
513 static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136);
514 static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152);
515 static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156);
516 static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176);
517 static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192);
518 static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224);
519 static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256);
520 static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288);
523 * Counters added by extended set
525 static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64);
526 static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128);
527 static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192);
528 static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256);
529 static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320);
530 static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384);
531 static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448);
532 static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512);
534 static struct attribute *pma_attrs[] = {
535 &port_pma_attr_symbol_error.attr.attr,
536 &port_pma_attr_link_error_recovery.attr.attr,
537 &port_pma_attr_link_downed.attr.attr,
538 &port_pma_attr_port_rcv_errors.attr.attr,
539 &port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
540 &port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
541 &port_pma_attr_port_xmit_discards.attr.attr,
542 &port_pma_attr_port_xmit_constraint_errors.attr.attr,
543 &port_pma_attr_port_rcv_constraint_errors.attr.attr,
544 &port_pma_attr_local_link_integrity_errors.attr.attr,
545 &port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
546 &port_pma_attr_VL15_dropped.attr.attr,
547 &port_pma_attr_port_xmit_data.attr.attr,
548 &port_pma_attr_port_rcv_data.attr.attr,
549 &port_pma_attr_port_xmit_packets.attr.attr,
550 &port_pma_attr_port_rcv_packets.attr.attr,
554 static struct attribute *pma_attrs_ext[] = {
555 &port_pma_attr_symbol_error.attr.attr,
556 &port_pma_attr_link_error_recovery.attr.attr,
557 &port_pma_attr_link_downed.attr.attr,
558 &port_pma_attr_port_rcv_errors.attr.attr,
559 &port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
560 &port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
561 &port_pma_attr_port_xmit_discards.attr.attr,
562 &port_pma_attr_port_xmit_constraint_errors.attr.attr,
563 &port_pma_attr_port_rcv_constraint_errors.attr.attr,
564 &port_pma_attr_local_link_integrity_errors.attr.attr,
565 &port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
566 &port_pma_attr_VL15_dropped.attr.attr,
567 &port_pma_attr_ext_port_xmit_data.attr.attr,
568 &port_pma_attr_ext_port_rcv_data.attr.attr,
569 &port_pma_attr_ext_port_xmit_packets.attr.attr,
570 &port_pma_attr_ext_port_rcv_packets.attr.attr,
571 &port_pma_attr_ext_unicast_rcv_packets.attr.attr,
572 &port_pma_attr_ext_unicast_xmit_packets.attr.attr,
573 &port_pma_attr_ext_multicast_rcv_packets.attr.attr,
574 &port_pma_attr_ext_multicast_xmit_packets.attr.attr,
578 static struct attribute *pma_attrs_noietf[] = {
579 &port_pma_attr_symbol_error.attr.attr,
580 &port_pma_attr_link_error_recovery.attr.attr,
581 &port_pma_attr_link_downed.attr.attr,
582 &port_pma_attr_port_rcv_errors.attr.attr,
583 &port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
584 &port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
585 &port_pma_attr_port_xmit_discards.attr.attr,
586 &port_pma_attr_port_xmit_constraint_errors.attr.attr,
587 &port_pma_attr_port_rcv_constraint_errors.attr.attr,
588 &port_pma_attr_local_link_integrity_errors.attr.attr,
589 &port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
590 &port_pma_attr_VL15_dropped.attr.attr,
591 &port_pma_attr_ext_port_xmit_data.attr.attr,
592 &port_pma_attr_ext_port_rcv_data.attr.attr,
593 &port_pma_attr_ext_port_xmit_packets.attr.attr,
594 &port_pma_attr_ext_port_rcv_packets.attr.attr,
598 static struct attribute_group pma_group = {
603 static struct attribute_group pma_group_ext = {
605 .attrs = pma_attrs_ext
608 static struct attribute_group pma_group_noietf = {
610 .attrs = pma_attrs_noietf
613 static void ib_port_release(struct kobject *kobj)
615 struct ib_port *p = container_of(kobj, struct ib_port, kobj);
619 if (p->gid_group.attrs) {
620 for (i = 0; (a = p->gid_group.attrs[i]); ++i)
623 kfree(p->gid_group.attrs);
626 if (p->pkey_group.attrs) {
627 for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
630 kfree(p->pkey_group.attrs);
636 static void ib_port_gid_attr_release(struct kobject *kobj)
638 struct gid_attr_group *g = container_of(kobj, struct gid_attr_group,
644 for (i = 0; (a = g->ndev.attrs[i]); ++i)
647 kfree(g->ndev.attrs);
651 for (i = 0; (a = g->type.attrs[i]); ++i)
654 kfree(g->type.attrs);
660 static struct kobj_type port_type = {
661 .release = ib_port_release,
662 .sysfs_ops = &port_sysfs_ops,
663 .default_attrs = port_default_attrs
666 static struct kobj_type gid_attr_type = {
667 .sysfs_ops = &gid_attr_sysfs_ops,
668 .release = ib_port_gid_attr_release
671 static struct attribute **
672 alloc_group_attrs(ssize_t (*show)(struct ib_port *,
673 struct port_attribute *, char *buf),
676 struct attribute **tab_attr;
677 struct port_table_attribute *element;
680 tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL);
684 for (i = 0; i < len; i++) {
685 element = kzalloc(sizeof(struct port_table_attribute),
690 if (snprintf(element->name, sizeof(element->name),
691 "%d", i) >= sizeof(element->name)) {
696 element->attr.attr.name = element->name;
697 element->attr.attr.mode = S_IRUGO;
698 element->attr.show = show;
700 sysfs_attr_init(&element->attr.attr);
702 tab_attr[i] = &element->attr.attr;
715 * Figure out which counter table to use depending on
716 * the device capabilities.
718 static struct attribute_group *get_counter_table(struct ib_device *dev,
721 struct ib_class_port_info cpi;
723 if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO,
724 &cpi, 40, sizeof(cpi)) >= 0) {
726 if (cpi.capability_mask && IB_PMA_CLASS_CAP_EXT_WIDTH)
727 /* We have extended counters */
728 return &pma_group_ext;
730 if (cpi.capability_mask && IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF)
731 /* But not the IETF ones */
732 return &pma_group_noietf;
735 /* Fall back to normal counters */
739 static int add_port(struct ib_device *device, int port_num,
740 int (*port_callback)(struct ib_device *,
741 u8, struct kobject *))
744 struct ib_port_attr attr;
748 ret = ib_query_port(device, port_num, &attr);
752 p = kzalloc(sizeof *p, GFP_KERNEL);
757 p->port_num = port_num;
759 ret = kobject_init_and_add(&p->kobj, &port_type,
760 device->ports_parent,
767 p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL);
768 if (!p->gid_attr_group) {
773 p->gid_attr_group->port = p;
774 ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type,
775 &p->kobj, "gid_attrs");
777 kfree(p->gid_attr_group);
781 p->pma_table = get_counter_table(device, port_num);
782 ret = sysfs_create_group(&p->kobj, p->pma_table);
784 goto err_put_gid_attrs;
786 p->gid_group.name = "gids";
787 p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len);
788 if (!p->gid_group.attrs) {
793 ret = sysfs_create_group(&p->kobj, &p->gid_group);
797 p->gid_attr_group->ndev.name = "ndevs";
798 p->gid_attr_group->ndev.attrs = alloc_group_attrs(show_port_gid_attr_ndev,
800 if (!p->gid_attr_group->ndev.attrs) {
805 ret = sysfs_create_group(&p->gid_attr_group->kobj,
806 &p->gid_attr_group->ndev);
808 goto err_free_gid_ndev;
810 p->gid_attr_group->type.name = "types";
811 p->gid_attr_group->type.attrs = alloc_group_attrs(show_port_gid_attr_gid_type,
813 if (!p->gid_attr_group->type.attrs) {
815 goto err_remove_gid_ndev;
818 ret = sysfs_create_group(&p->gid_attr_group->kobj,
819 &p->gid_attr_group->type);
821 goto err_free_gid_type;
823 p->pkey_group.name = "pkeys";
824 p->pkey_group.attrs = alloc_group_attrs(show_port_pkey,
826 if (!p->pkey_group.attrs) {
828 goto err_remove_gid_type;
831 ret = sysfs_create_group(&p->kobj, &p->pkey_group);
836 ret = port_callback(device, port_num, &p->kobj);
838 goto err_remove_pkey;
841 list_add_tail(&p->kobj.entry, &device->port_list);
843 kobject_uevent(&p->kobj, KOBJ_ADD);
847 sysfs_remove_group(&p->kobj, &p->pkey_group);
850 for (i = 0; i < attr.pkey_tbl_len; ++i)
851 kfree(p->pkey_group.attrs[i]);
853 kfree(p->pkey_group.attrs);
854 p->pkey_group.attrs = NULL;
857 sysfs_remove_group(&p->gid_attr_group->kobj,
858 &p->gid_attr_group->type);
861 for (i = 0; i < attr.gid_tbl_len; ++i)
862 kfree(p->gid_attr_group->type.attrs[i]);
864 kfree(p->gid_attr_group->type.attrs);
865 p->gid_attr_group->type.attrs = NULL;
868 sysfs_remove_group(&p->gid_attr_group->kobj,
869 &p->gid_attr_group->ndev);
872 for (i = 0; i < attr.gid_tbl_len; ++i)
873 kfree(p->gid_attr_group->ndev.attrs[i]);
875 kfree(p->gid_attr_group->ndev.attrs);
876 p->gid_attr_group->ndev.attrs = NULL;
879 sysfs_remove_group(&p->kobj, &p->gid_group);
882 for (i = 0; i < attr.gid_tbl_len; ++i)
883 kfree(p->gid_group.attrs[i]);
885 kfree(p->gid_group.attrs);
886 p->gid_group.attrs = NULL;
889 sysfs_remove_group(&p->kobj, p->pma_table);
892 kobject_put(&p->gid_attr_group->kobj);
895 kobject_put(&p->kobj);
899 static ssize_t show_node_type(struct device *device,
900 struct device_attribute *attr, char *buf)
902 struct ib_device *dev = container_of(device, struct ib_device, dev);
904 switch (dev->node_type) {
905 case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
906 case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type);
907 case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type);
908 case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type);
909 case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
910 case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
911 default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
915 static ssize_t show_sys_image_guid(struct device *device,
916 struct device_attribute *dev_attr, char *buf)
918 struct ib_device *dev = container_of(device, struct ib_device, dev);
920 return sprintf(buf, "%04x:%04x:%04x:%04x\n",
921 be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]),
922 be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]),
923 be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]),
924 be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3]));
927 static ssize_t show_node_guid(struct device *device,
928 struct device_attribute *attr, char *buf)
930 struct ib_device *dev = container_of(device, struct ib_device, dev);
932 return sprintf(buf, "%04x:%04x:%04x:%04x\n",
933 be16_to_cpu(((__be16 *) &dev->node_guid)[0]),
934 be16_to_cpu(((__be16 *) &dev->node_guid)[1]),
935 be16_to_cpu(((__be16 *) &dev->node_guid)[2]),
936 be16_to_cpu(((__be16 *) &dev->node_guid)[3]));
939 static ssize_t show_node_desc(struct device *device,
940 struct device_attribute *attr, char *buf)
942 struct ib_device *dev = container_of(device, struct ib_device, dev);
944 return sprintf(buf, "%.64s\n", dev->node_desc);
947 static ssize_t set_node_desc(struct device *device,
948 struct device_attribute *attr,
949 const char *buf, size_t count)
951 struct ib_device *dev = container_of(device, struct ib_device, dev);
952 struct ib_device_modify desc = {};
955 if (!dev->modify_device)
958 memcpy(desc.node_desc, buf, min_t(int, count, 64));
959 ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc);
966 static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL);
967 static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL);
968 static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL);
969 static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc);
971 static struct device_attribute *ib_class_attributes[] = {
973 &dev_attr_sys_image_guid,
978 /* Show a given an attribute in the statistics group */
979 static ssize_t show_protocol_stat(const struct device *device,
980 struct device_attribute *attr, char *buf,
983 struct ib_device *dev = container_of(device, struct ib_device, dev);
984 union rdma_protocol_stats stats;
987 ret = dev->get_protocol_stats(dev, &stats);
991 return sprintf(buf, "%llu\n",
992 (unsigned long long) ((u64 *) &stats)[offset]);
995 /* generate a read-only iwarp statistics attribute */
996 #define IW_STATS_ENTRY(name) \
997 static ssize_t show_##name(struct device *device, \
998 struct device_attribute *attr, char *buf) \
1000 return show_protocol_stat(device, attr, buf, \
1001 offsetof(struct iw_protocol_stats, name) / \
1004 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
1006 IW_STATS_ENTRY(ipInReceives);
1007 IW_STATS_ENTRY(ipInHdrErrors);
1008 IW_STATS_ENTRY(ipInTooBigErrors);
1009 IW_STATS_ENTRY(ipInNoRoutes);
1010 IW_STATS_ENTRY(ipInAddrErrors);
1011 IW_STATS_ENTRY(ipInUnknownProtos);
1012 IW_STATS_ENTRY(ipInTruncatedPkts);
1013 IW_STATS_ENTRY(ipInDiscards);
1014 IW_STATS_ENTRY(ipInDelivers);
1015 IW_STATS_ENTRY(ipOutForwDatagrams);
1016 IW_STATS_ENTRY(ipOutRequests);
1017 IW_STATS_ENTRY(ipOutDiscards);
1018 IW_STATS_ENTRY(ipOutNoRoutes);
1019 IW_STATS_ENTRY(ipReasmTimeout);
1020 IW_STATS_ENTRY(ipReasmReqds);
1021 IW_STATS_ENTRY(ipReasmOKs);
1022 IW_STATS_ENTRY(ipReasmFails);
1023 IW_STATS_ENTRY(ipFragOKs);
1024 IW_STATS_ENTRY(ipFragFails);
1025 IW_STATS_ENTRY(ipFragCreates);
1026 IW_STATS_ENTRY(ipInMcastPkts);
1027 IW_STATS_ENTRY(ipOutMcastPkts);
1028 IW_STATS_ENTRY(ipInBcastPkts);
1029 IW_STATS_ENTRY(ipOutBcastPkts);
1030 IW_STATS_ENTRY(tcpRtoAlgorithm);
1031 IW_STATS_ENTRY(tcpRtoMin);
1032 IW_STATS_ENTRY(tcpRtoMax);
1033 IW_STATS_ENTRY(tcpMaxConn);
1034 IW_STATS_ENTRY(tcpActiveOpens);
1035 IW_STATS_ENTRY(tcpPassiveOpens);
1036 IW_STATS_ENTRY(tcpAttemptFails);
1037 IW_STATS_ENTRY(tcpEstabResets);
1038 IW_STATS_ENTRY(tcpCurrEstab);
1039 IW_STATS_ENTRY(tcpInSegs);
1040 IW_STATS_ENTRY(tcpOutSegs);
1041 IW_STATS_ENTRY(tcpRetransSegs);
1042 IW_STATS_ENTRY(tcpInErrs);
1043 IW_STATS_ENTRY(tcpOutRsts);
1045 static struct attribute *iw_proto_stats_attrs[] = {
1046 &dev_attr_ipInReceives.attr,
1047 &dev_attr_ipInHdrErrors.attr,
1048 &dev_attr_ipInTooBigErrors.attr,
1049 &dev_attr_ipInNoRoutes.attr,
1050 &dev_attr_ipInAddrErrors.attr,
1051 &dev_attr_ipInUnknownProtos.attr,
1052 &dev_attr_ipInTruncatedPkts.attr,
1053 &dev_attr_ipInDiscards.attr,
1054 &dev_attr_ipInDelivers.attr,
1055 &dev_attr_ipOutForwDatagrams.attr,
1056 &dev_attr_ipOutRequests.attr,
1057 &dev_attr_ipOutDiscards.attr,
1058 &dev_attr_ipOutNoRoutes.attr,
1059 &dev_attr_ipReasmTimeout.attr,
1060 &dev_attr_ipReasmReqds.attr,
1061 &dev_attr_ipReasmOKs.attr,
1062 &dev_attr_ipReasmFails.attr,
1063 &dev_attr_ipFragOKs.attr,
1064 &dev_attr_ipFragFails.attr,
1065 &dev_attr_ipFragCreates.attr,
1066 &dev_attr_ipInMcastPkts.attr,
1067 &dev_attr_ipOutMcastPkts.attr,
1068 &dev_attr_ipInBcastPkts.attr,
1069 &dev_attr_ipOutBcastPkts.attr,
1070 &dev_attr_tcpRtoAlgorithm.attr,
1071 &dev_attr_tcpRtoMin.attr,
1072 &dev_attr_tcpRtoMax.attr,
1073 &dev_attr_tcpMaxConn.attr,
1074 &dev_attr_tcpActiveOpens.attr,
1075 &dev_attr_tcpPassiveOpens.attr,
1076 &dev_attr_tcpAttemptFails.attr,
1077 &dev_attr_tcpEstabResets.attr,
1078 &dev_attr_tcpCurrEstab.attr,
1079 &dev_attr_tcpInSegs.attr,
1080 &dev_attr_tcpOutSegs.attr,
1081 &dev_attr_tcpRetransSegs.attr,
1082 &dev_attr_tcpInErrs.attr,
1083 &dev_attr_tcpOutRsts.attr,
1087 static struct attribute_group iw_stats_group = {
1088 .name = "proto_stats",
1089 .attrs = iw_proto_stats_attrs,
1092 static void free_port_list_attributes(struct ib_device *device)
1094 struct kobject *p, *t;
1096 list_for_each_entry_safe(p, t, &device->port_list, entry) {
1097 struct ib_port *port = container_of(p, struct ib_port, kobj);
1098 list_del(&p->entry);
1099 sysfs_remove_group(p, port->pma_table);
1100 sysfs_remove_group(p, &port->pkey_group);
1101 sysfs_remove_group(p, &port->gid_group);
1102 sysfs_remove_group(&port->gid_attr_group->kobj,
1103 &port->gid_attr_group->ndev);
1104 sysfs_remove_group(&port->gid_attr_group->kobj,
1105 &port->gid_attr_group->type);
1106 kobject_put(&port->gid_attr_group->kobj);
1110 kobject_put(device->ports_parent);
1113 int ib_device_register_sysfs(struct ib_device *device,
1114 int (*port_callback)(struct ib_device *,
1115 u8, struct kobject *))
1117 struct device *class_dev = &device->dev;
1121 device->dev.parent = device->dma_device;
1122 ret = dev_set_name(class_dev, "%s", device->name);
1126 ret = device_add(class_dev);
1130 for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) {
1131 ret = device_create_file(class_dev, ib_class_attributes[i]);
1133 goto err_unregister;
1136 device->ports_parent = kobject_create_and_add("ports",
1138 if (!device->ports_parent) {
1143 if (rdma_cap_ib_switch(device)) {
1144 ret = add_port(device, 0, port_callback);
1148 for (i = 1; i <= device->phys_port_cnt; ++i) {
1149 ret = add_port(device, i, port_callback);
1155 if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) {
1156 ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group);
1164 free_port_list_attributes(device);
1167 device_unregister(class_dev);
1173 void ib_device_unregister_sysfs(struct ib_device *device)
1175 /* Hold kobject until ib_dealloc_device() */
1176 struct kobject *kobj_dev = kobject_get(&device->dev.kobj);
1179 if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats)
1180 sysfs_remove_group(kobj_dev, &iw_stats_group);
1182 free_port_list_attributes(device);
1184 for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i)
1185 device_remove_file(&device->dev, ib_class_attributes[i]);
1187 device_unregister(&device->dev);