| /* |
| * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
| * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. |
| * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include "core_priv.h" |
| |
| #include <linux/slab.h> |
| #include <linux/stat.h> |
| #include <linux/string.h> |
| #include <linux/netdevice.h> |
| #include <linux/ethtool.h> |
| |
| #include <rdma/ib_mad.h> |
| #include <rdma/ib_pma.h> |
| #include <rdma/ib_cache.h> |
| |
| struct ib_port; |
| |
| struct gid_attr_group { |
| struct ib_port *port; |
| struct kobject kobj; |
| struct attribute_group ndev; |
| struct attribute_group type; |
| }; |
| struct ib_port { |
| struct kobject kobj; |
| struct ib_device *ibdev; |
| struct gid_attr_group *gid_attr_group; |
| struct attribute_group gid_group; |
| struct attribute_group pkey_group; |
| struct attribute_group *pma_table; |
| struct attribute_group *hw_stats_ag; |
| struct rdma_hw_stats *hw_stats; |
| u8 port_num; |
| }; |
| |
| struct port_attribute { |
| struct attribute attr; |
| ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf); |
| ssize_t (*store)(struct ib_port *, struct port_attribute *, |
| const char *buf, size_t count); |
| }; |
| |
| #define PORT_ATTR(_name, _mode, _show, _store) \ |
| struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store) |
| |
| #define PORT_ATTR_RO(_name) \ |
| struct port_attribute port_attr_##_name = __ATTR_RO(_name) |
| |
| struct port_table_attribute { |
| struct port_attribute attr; |
| char name[8]; |
| int index; |
| __be16 attr_id; |
| }; |
| |
| struct hw_stats_attribute { |
| struct attribute attr; |
| ssize_t (*show)(struct kobject *kobj, |
| struct attribute *attr, char *buf); |
| ssize_t (*store)(struct kobject *kobj, |
| struct attribute *attr, |
| const char *buf, |
| size_t count); |
| int index; |
| u8 port_num; |
| }; |
| |
| static ssize_t port_attr_show(struct kobject *kobj, |
| struct attribute *attr, char *buf) |
| { |
| struct port_attribute *port_attr = |
| container_of(attr, struct port_attribute, attr); |
| struct ib_port *p = container_of(kobj, struct ib_port, kobj); |
| |
| if (!port_attr->show) |
| return -EIO; |
| |
| return port_attr->show(p, port_attr, buf); |
| } |
| |
| static ssize_t port_attr_store(struct kobject *kobj, |
| struct attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct port_attribute *port_attr = |
| container_of(attr, struct port_attribute, attr); |
| struct ib_port *p = container_of(kobj, struct ib_port, kobj); |
| |
| if (!port_attr->store) |
| return -EIO; |
| return port_attr->store(p, port_attr, buf, count); |
| } |
| |
| static const struct sysfs_ops port_sysfs_ops = { |
| .show = port_attr_show, |
| .store = port_attr_store |
| }; |
| |
| static ssize_t gid_attr_show(struct kobject *kobj, |
| struct attribute *attr, char *buf) |
| { |
| struct port_attribute *port_attr = |
| container_of(attr, struct port_attribute, attr); |
| struct ib_port *p = container_of(kobj, struct gid_attr_group, |
| kobj)->port; |
| |
| if (!port_attr->show) |
| return -EIO; |
| |
| return port_attr->show(p, port_attr, buf); |
| } |
| |
| static const struct sysfs_ops gid_attr_sysfs_ops = { |
| .show = gid_attr_show |
| }; |
| |
| static ssize_t state_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| ssize_t ret; |
| |
| static const char *state_name[] = { |
| [IB_PORT_NOP] = "NOP", |
| [IB_PORT_DOWN] = "DOWN", |
| [IB_PORT_INIT] = "INIT", |
| [IB_PORT_ARMED] = "ARMED", |
| [IB_PORT_ACTIVE] = "ACTIVE", |
| [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER" |
| }; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "%d: %s\n", attr.state, |
| attr.state >= 0 && attr.state < ARRAY_SIZE(state_name) ? |
| state_name[attr.state] : "UNKNOWN"); |
| } |
| |
| static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "0x%x\n", attr.lid); |
| } |
| |
| static ssize_t lid_mask_count_show(struct ib_port *p, |
| struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "%d\n", attr.lmc); |
| } |
| |
| static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "0x%x\n", attr.sm_lid); |
| } |
| |
| static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "%d\n", attr.sm_sl); |
| } |
| |
| static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "0x%08x\n", attr.port_cap_flags); |
| } |
| |
| static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| char *speed = ""; |
| int rate; /* in deci-Gb/sec */ |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| switch (attr.active_speed) { |
| case IB_SPEED_DDR: |
| speed = " DDR"; |
| rate = 50; |
| break; |
| case IB_SPEED_QDR: |
| speed = " QDR"; |
| rate = 100; |
| break; |
| case IB_SPEED_FDR10: |
| speed = " FDR10"; |
| rate = 100; |
| break; |
| case IB_SPEED_FDR: |
| speed = " FDR"; |
| rate = 140; |
| break; |
| case IB_SPEED_EDR: |
| speed = " EDR"; |
| rate = 250; |
| break; |
| case IB_SPEED_HDR: |
| speed = " HDR"; |
| rate = 500; |
| break; |
| case IB_SPEED_SDR: |
| default: /* default to SDR for invalid rates */ |
| speed = " SDR"; |
| rate = 25; |
| break; |
| } |
| |
| rate *= ib_width_enum_to_int(attr.active_width); |
| if (rate < 0) |
| return -EINVAL; |
| |
| return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", |
| rate / 10, rate % 10 ? ".5" : "", |
| ib_width_enum_to_int(attr.active_width), speed); |
| } |
| |
| static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| struct ib_port_attr attr; |
| |
| ssize_t ret; |
| |
| ret = ib_query_port(p->ibdev, p->port_num, &attr); |
| if (ret) |
| return ret; |
| |
| switch (attr.phys_state) { |
| case 1: return sprintf(buf, "1: Sleep\n"); |
| case 2: return sprintf(buf, "2: Polling\n"); |
| case 3: return sprintf(buf, "3: Disabled\n"); |
| case 4: return sprintf(buf, "4: PortConfigurationTraining\n"); |
| case 5: return sprintf(buf, "5: LinkUp\n"); |
| case 6: return sprintf(buf, "6: LinkErrorRecovery\n"); |
| case 7: return sprintf(buf, "7: Phy Test\n"); |
| default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state); |
| } |
| } |
| |
| static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, |
| char *buf) |
| { |
| switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { |
| case IB_LINK_LAYER_INFINIBAND: |
| return sprintf(buf, "%s\n", "InfiniBand"); |
| case IB_LINK_LAYER_ETHERNET: |
| return sprintf(buf, "%s\n", "Ethernet"); |
| default: |
| return sprintf(buf, "%s\n", "Unknown"); |
| } |
| } |
| |
| static PORT_ATTR_RO(state); |
| static PORT_ATTR_RO(lid); |
| static PORT_ATTR_RO(lid_mask_count); |
| static PORT_ATTR_RO(sm_lid); |
| static PORT_ATTR_RO(sm_sl); |
| static PORT_ATTR_RO(cap_mask); |
| static PORT_ATTR_RO(rate); |
| static PORT_ATTR_RO(phys_state); |
| static PORT_ATTR_RO(link_layer); |
| |
| static struct attribute *port_default_attrs[] = { |
| &port_attr_state.attr, |
| &port_attr_lid.attr, |
| &port_attr_lid_mask_count.attr, |
| &port_attr_sm_lid.attr, |
| &port_attr_sm_sl.attr, |
| &port_attr_cap_mask.attr, |
| &port_attr_rate.attr, |
| &port_attr_phys_state.attr, |
| &port_attr_link_layer.attr, |
| NULL |
| }; |
| |
| static size_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf) |
| { |
| if (!gid_attr->ndev) |
| return -EINVAL; |
| |
| return sprintf(buf, "%s\n", gid_attr->ndev->name); |
| } |
| |
| static size_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf) |
| { |
| return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type)); |
| } |
| |
| static ssize_t _show_port_gid_attr( |
| struct ib_port *p, struct port_attribute *attr, char *buf, |
| size_t (*print)(const struct ib_gid_attr *gid_attr, char *buf)) |
| { |
| struct port_table_attribute *tab_attr = |
| container_of(attr, struct port_table_attribute, attr); |
| const struct ib_gid_attr *gid_attr; |
| ssize_t ret; |
| |
| gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); |
| if (IS_ERR(gid_attr)) |
| return PTR_ERR(gid_attr); |
| |
| ret = print(gid_attr, buf); |
| rdma_put_gid_attr(gid_attr); |
| return ret; |
| } |
| |
| static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, |
| char *buf) |
| { |
| struct port_table_attribute *tab_attr = |
| container_of(attr, struct port_table_attribute, attr); |
| const struct ib_gid_attr *gid_attr; |
| ssize_t ret; |
| |
| gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); |
| if (IS_ERR(gid_attr)) { |
| const union ib_gid zgid = {}; |
| |
| /* If reading GID fails, it is likely due to GID entry being |
| * empty (invalid) or reserved GID in the table. User space |
| * expects to read GID table entries as long as it given index |
| * is within GID table size. Administrative/debugging tool |
| * fails to query rest of the GID entries if it hits error |
| * while querying a GID of the given index. To avoid user |
| * space throwing such error on fail to read gid, return zero |
| * GID as before. This maintains backward compatibility. |
| */ |
| return sprintf(buf, "%pI6\n", zgid.raw); |
| } |
| |
| ret = sprintf(buf, "%pI6\n", gid_attr->gid.raw); |
| rdma_put_gid_attr(gid_attr); |
| return ret; |
| } |
| |
| static ssize_t show_port_gid_attr_ndev(struct ib_port *p, |
| struct port_attribute *attr, char *buf) |
| { |
| return _show_port_gid_attr(p, attr, buf, print_ndev); |
| } |
| |
| static ssize_t show_port_gid_attr_gid_type(struct ib_port *p, |
| struct port_attribute *attr, |
| char *buf) |
| { |
| return _show_port_gid_attr(p, attr, buf, print_gid_type); |
| } |
| |
| static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, |
| char *buf) |
| { |
| struct port_table_attribute *tab_attr = |
| container_of(attr, struct port_table_attribute, attr); |
| u16 pkey; |
| ssize_t ret; |
| |
| ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "0x%04x\n", pkey); |
| } |
| |
| #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ |
| struct port_table_attribute port_pma_attr_##_name = { \ |
| .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ |
| .index = (_offset) | ((_width) << 16) | ((_counter) << 24), \ |
| .attr_id = IB_PMA_PORT_COUNTERS , \ |
| } |
| |
| #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \ |
| struct port_table_attribute port_pma_attr_ext_##_name = { \ |
| .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ |
| .index = (_offset) | ((_width) << 16), \ |
| .attr_id = IB_PMA_PORT_COUNTERS_EXT , \ |
| } |
| |
| /* |
| * Get a Perfmgmt MAD block of data. |
| * Returns error code or the number of bytes retrieved. |
| */ |
| static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, |
| void *data, int offset, size_t size) |
| { |
| struct ib_mad *in_mad; |
| struct ib_mad *out_mad; |
| size_t mad_size = sizeof(*out_mad); |
| u16 out_mad_pkey_index = 0; |
| ssize_t ret; |
| |
| if (!dev->ops.process_mad) |
| return -ENOSYS; |
| |
| in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
| out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
| if (!in_mad || !out_mad) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| in_mad->mad_hdr.base_version = 1; |
| in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT; |
| in_mad->mad_hdr.class_version = 1; |
| in_mad->mad_hdr.method = IB_MGMT_METHOD_GET; |
| in_mad->mad_hdr.attr_id = attr; |
| |
| if (attr != IB_PMA_CLASS_PORT_INFO) |
| in_mad->data[41] = port_num; /* PortSelect field */ |
| |
| if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY, |
| port_num, NULL, NULL, |
| (const struct ib_mad_hdr *)in_mad, mad_size, |
| (struct ib_mad_hdr *)out_mad, &mad_size, |
| &out_mad_pkey_index) & |
| (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != |
| (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { |
| ret = -EINVAL; |
| goto out; |
| } |
| memcpy(data, out_mad->data + offset, size); |
| ret = size; |
| out: |
| kfree(in_mad); |
| kfree(out_mad); |
| return ret; |
| } |
| |
| static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, |
| char *buf) |
| { |
| struct port_table_attribute *tab_attr = |
| container_of(attr, struct port_table_attribute, attr); |
| int offset = tab_attr->index & 0xffff; |
| int width = (tab_attr->index >> 16) & 0xff; |
| ssize_t ret; |
| u8 data[8]; |
| |
| ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data, |
| 40 + offset / 8, sizeof(data)); |
| if (ret < 0) |
| return ret; |
| |
| switch (width) { |
| case 4: |
| ret = sprintf(buf, "%u\n", (*data >> |
| (4 - (offset % 8))) & 0xf); |
| break; |
| case 8: |
| ret = sprintf(buf, "%u\n", *data); |
| break; |
| case 16: |
| ret = sprintf(buf, "%u\n", |
| be16_to_cpup((__be16 *)data)); |
| break; |
| case 32: |
| ret = sprintf(buf, "%u\n", |
| be32_to_cpup((__be32 *)data)); |
| break; |
| case 64: |
| ret = sprintf(buf, "%llu\n", |
| be64_to_cpup((__be64 *)data)); |
| break; |
| |
| default: |
| ret = 0; |
| } |
| |
| return ret; |
| } |
| |
| static PORT_PMA_ATTR(symbol_error , 0, 16, 32); |
| static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48); |
| static PORT_PMA_ATTR(link_downed , 2, 8, 56); |
| static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64); |
| static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80); |
| static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96); |
| static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112); |
| static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128); |
| static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136); |
| static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152); |
| static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156); |
| static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176); |
| static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192); |
| static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224); |
| static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256); |
| static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288); |
| static PORT_PMA_ATTR(port_xmit_wait , 0, 32, 320); |
| |
| /* |
| * Counters added by extended set |
| */ |
| static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64); |
| static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128); |
| static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192); |
| static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256); |
| static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320); |
| static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384); |
| static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448); |
| static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512); |
| |
| static struct attribute *pma_attrs[] = { |
| &port_pma_attr_symbol_error.attr.attr, |
| &port_pma_attr_link_error_recovery.attr.attr, |
| &port_pma_attr_link_downed.attr.attr, |
| &port_pma_attr_port_rcv_errors.attr.attr, |
| &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, |
| &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, |
| &port_pma_attr_port_xmit_discards.attr.attr, |
| &port_pma_attr_port_xmit_constraint_errors.attr.attr, |
| &port_pma_attr_port_rcv_constraint_errors.attr.attr, |
| &port_pma_attr_local_link_integrity_errors.attr.attr, |
| &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, |
| &port_pma_attr_VL15_dropped.attr.attr, |
| &port_pma_attr_port_xmit_data.attr.attr, |
| &port_pma_attr_port_rcv_data.attr.attr, |
| &port_pma_attr_port_xmit_packets.attr.attr, |
| &port_pma_attr_port_rcv_packets.attr.attr, |
| &port_pma_attr_port_xmit_wait.attr.attr, |
| NULL |
| }; |
| |
| static struct attribute *pma_attrs_ext[] = { |
| &port_pma_attr_symbol_error.attr.attr, |
| &port_pma_attr_link_error_recovery.attr.attr, |
| &port_pma_attr_link_downed.attr.attr, |
| &port_pma_attr_port_rcv_errors.attr.attr, |
| &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, |
| &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, |
| &port_pma_attr_port_xmit_discards.attr.attr, |
| &port_pma_attr_port_xmit_constraint_errors.attr.attr, |
| &port_pma_attr_port_rcv_constraint_errors.attr.attr, |
| &port_pma_attr_local_link_integrity_errors.attr.attr, |
| &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, |
| &port_pma_attr_VL15_dropped.attr.attr, |
| &port_pma_attr_ext_port_xmit_data.attr.attr, |
| &port_pma_attr_ext_port_rcv_data.attr.attr, |
| &port_pma_attr_ext_port_xmit_packets.attr.attr, |
| &port_pma_attr_port_xmit_wait.attr.attr, |
| &port_pma_attr_ext_port_rcv_packets.attr.attr, |
| &port_pma_attr_ext_unicast_rcv_packets.attr.attr, |
| &port_pma_attr_ext_unicast_xmit_packets.attr.attr, |
| &port_pma_attr_ext_multicast_rcv_packets.attr.attr, |
| &port_pma_attr_ext_multicast_xmit_packets.attr.attr, |
| NULL |
| }; |
| |
| static struct attribute *pma_attrs_noietf[] = { |
| &port_pma_attr_symbol_error.attr.attr, |
| &port_pma_attr_link_error_recovery.attr.attr, |
| &port_pma_attr_link_downed.attr.attr, |
| &port_pma_attr_port_rcv_errors.attr.attr, |
| &port_pma_attr_port_rcv_remote_physical_errors.attr.attr, |
| &port_pma_attr_port_rcv_switch_relay_errors.attr.attr, |
| &port_pma_attr_port_xmit_discards.attr.attr, |
| &port_pma_attr_port_xmit_constraint_errors.attr.attr, |
| &port_pma_attr_port_rcv_constraint_errors.attr.attr, |
| &port_pma_attr_local_link_integrity_errors.attr.attr, |
| &port_pma_attr_excessive_buffer_overrun_errors.attr.attr, |
| &port_pma_attr_VL15_dropped.attr.attr, |
| &port_pma_attr_ext_port_xmit_data.attr.attr, |
| &port_pma_attr_ext_port_rcv_data.attr.attr, |
| &port_pma_attr_ext_port_xmit_packets.attr.attr, |
| &port_pma_attr_ext_port_rcv_packets.attr.attr, |
| &port_pma_attr_port_xmit_wait.attr.attr, |
| NULL |
| }; |
| |
| static struct attribute_group pma_group = { |
| .name = "counters", |
| .attrs = pma_attrs |
| }; |
| |
| static struct attribute_group pma_group_ext = { |
| .name = "counters", |
| .attrs = pma_attrs_ext |
| }; |
| |
| static struct attribute_group pma_group_noietf = { |
| .name = "counters", |
| .attrs = pma_attrs_noietf |
| }; |
| |
| static void ib_port_release(struct kobject *kobj) |
| { |
| struct ib_port *p = container_of(kobj, struct ib_port, kobj); |
| struct attribute *a; |
| int i; |
| |
| if (p->gid_group.attrs) { |
| for (i = 0; (a = p->gid_group.attrs[i]); ++i) |
| kfree(a); |
| |
| kfree(p->gid_group.attrs); |
| } |
| |
| if (p->pkey_group.attrs) { |
| for (i = 0; (a = p->pkey_group.attrs[i]); ++i) |
| kfree(a); |
| |
| kfree(p->pkey_group.attrs); |
| } |
| |
| kfree(p); |
| } |
| |
| static void ib_port_gid_attr_release(struct kobject *kobj) |
| { |
| struct gid_attr_group *g = container_of(kobj, struct gid_attr_group, |
| kobj); |
| struct attribute *a; |
| int i; |
| |
| if (g->ndev.attrs) { |
| for (i = 0; (a = g->ndev.attrs[i]); ++i) |
| kfree(a); |
| |
| kfree(g->ndev.attrs); |
| } |
| |
| if (g->type.attrs) { |
| for (i = 0; (a = g->type.attrs[i]); ++i) |
| kfree(a); |
| |
| kfree(g->type.attrs); |
| } |
| |
| kfree(g); |
| } |
| |
| static struct kobj_type port_type = { |
| .release = ib_port_release, |
| .sysfs_ops = &port_sysfs_ops, |
| .default_attrs = port_default_attrs |
| }; |
| |
| static struct kobj_type gid_attr_type = { |
| .sysfs_ops = &gid_attr_sysfs_ops, |
| .release = ib_port_gid_attr_release |
| }; |
| |
| static struct attribute ** |
| alloc_group_attrs(ssize_t (*show)(struct ib_port *, |
| struct port_attribute *, char *buf), |
| int len) |
| { |
| struct attribute **tab_attr; |
| struct port_table_attribute *element; |
| int i; |
| |
| tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL); |
| if (!tab_attr) |
| return NULL; |
| |
| for (i = 0; i < len; i++) { |
| element = kzalloc(sizeof(struct port_table_attribute), |
| GFP_KERNEL); |
| if (!element) |
| goto err; |
| |
| if (snprintf(element->name, sizeof(element->name), |
| "%d", i) >= sizeof(element->name)) { |
| kfree(element); |
| goto err; |
| } |
| |
| element->attr.attr.name = element->name; |
| element->attr.attr.mode = S_IRUGO; |
| element->attr.show = show; |
| element->index = i; |
| sysfs_attr_init(&element->attr.attr); |
| |
| tab_attr[i] = &element->attr.attr; |
| } |
| |
| return tab_attr; |
| |
| err: |
| while (--i >= 0) |
| kfree(tab_attr[i]); |
| kfree(tab_attr); |
| return NULL; |
| } |
| |
| /* |
| * Figure out which counter table to use depending on |
| * the device capabilities. |
| */ |
| static struct attribute_group *get_counter_table(struct ib_device *dev, |
| int port_num) |
| { |
| struct ib_class_port_info cpi; |
| |
| if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO, |
| &cpi, 40, sizeof(cpi)) >= 0) { |
| if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH) |
| /* We have extended counters */ |
| return &pma_group_ext; |
| |
| if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF) |
| /* But not the IETF ones */ |
| return &pma_group_noietf; |
| } |
| |
| /* Fall back to normal counters */ |
| return &pma_group; |
| } |
| |
| static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, |
| u8 port_num, int index) |
| { |
| int ret; |
| |
| if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan)) |
| return 0; |
| ret = dev->ops.get_hw_stats(dev, stats, port_num, index); |
| if (ret < 0) |
| return ret; |
| if (ret == stats->num_counters) |
| stats->timestamp = jiffies; |
| |
| return 0; |
| } |
| |
| static ssize_t print_hw_stat(struct rdma_hw_stats *stats, int index, char *buf) |
| { |
| return sprintf(buf, "%llu\n", stats->value[index]); |
| } |
| |
| static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr, |
| char *buf) |
| { |
| struct ib_device *dev; |
| struct ib_port *port; |
| struct hw_stats_attribute *hsa; |
| struct rdma_hw_stats *stats; |
| int ret; |
| |
| hsa = container_of(attr, struct hw_stats_attribute, attr); |
| if (!hsa->port_num) { |
| dev = container_of((struct device *)kobj, |
| struct ib_device, dev); |
| stats = dev->hw_stats; |
| } else { |
| port = container_of(kobj, struct ib_port, kobj); |
| dev = port->ibdev; |
| stats = port->hw_stats; |
| } |
| mutex_lock(&stats->lock); |
| ret = update_hw_stats(dev, stats, hsa->port_num, hsa->index); |
| if (ret) |
| goto unlock; |
| ret = print_hw_stat(stats, hsa->index, buf); |
| unlock: |
| mutex_unlock(&stats->lock); |
| |
| return ret; |
| } |
| |
| static ssize_t show_stats_lifespan(struct kobject *kobj, |
| struct attribute *attr, |
| char *buf) |
| { |
| struct hw_stats_attribute *hsa; |
| struct rdma_hw_stats *stats; |
| int msecs; |
| |
| hsa = container_of(attr, struct hw_stats_attribute, attr); |
| if (!hsa->port_num) { |
| struct ib_device *dev = container_of((struct device *)kobj, |
| struct ib_device, dev); |
| |
| stats = dev->hw_stats; |
| } else { |
| struct ib_port *p = container_of(kobj, struct ib_port, kobj); |
| |
| stats = p->hw_stats; |
| } |
| |
| mutex_lock(&stats->lock); |
| msecs = jiffies_to_msecs(stats->lifespan); |
| mutex_unlock(&stats->lock); |
| |
| return sprintf(buf, "%d\n", msecs); |
| } |
| |
| static ssize_t set_stats_lifespan(struct kobject *kobj, |
| struct attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct hw_stats_attribute *hsa; |
| struct rdma_hw_stats *stats; |
| int msecs; |
| int jiffies; |
| int ret; |
| |
| ret = kstrtoint(buf, 10, &msecs); |
| if (ret) |
| return ret; |
| if (msecs < 0 || msecs > 10000) |
| return -EINVAL; |
| jiffies = msecs_to_jiffies(msecs); |
| hsa = container_of(attr, struct hw_stats_attribute, attr); |
| if (!hsa->port_num) { |
| struct ib_device *dev = container_of((struct device *)kobj, |
| struct ib_device, dev); |
| |
| stats = dev->hw_stats; |
| } else { |
| struct ib_port *p = container_of(kobj, struct ib_port, kobj); |
| |
| stats = p->hw_stats; |
| } |
| |
| mutex_lock(&stats->lock); |
| stats->lifespan = jiffies; |
| mutex_unlock(&stats->lock); |
| |
| return count; |
| } |
| |
| static void free_hsag(struct kobject *kobj, struct attribute_group *attr_group) |
| { |
| struct attribute **attr; |
| |
| sysfs_remove_group(kobj, attr_group); |
| |
| for (attr = attr_group->attrs; *attr; attr++) |
| kfree(*attr); |
| kfree(attr_group); |
| } |
| |
| static struct attribute *alloc_hsa(int index, u8 port_num, const char *name) |
| { |
| struct hw_stats_attribute *hsa; |
| |
| hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); |
| if (!hsa) |
| return NULL; |
| |
| hsa->attr.name = (char *)name; |
| hsa->attr.mode = S_IRUGO; |
| hsa->show = show_hw_stats; |
| hsa->store = NULL; |
| hsa->index = index; |
| hsa->port_num = port_num; |
| |
| return &hsa->attr; |
| } |
| |
| static struct attribute *alloc_hsa_lifespan(char *name, u8 port_num) |
| { |
| struct hw_stats_attribute *hsa; |
| |
| hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); |
| if (!hsa) |
| return NULL; |
| |
| hsa->attr.name = name; |
| hsa->attr.mode = S_IWUSR | S_IRUGO; |
| hsa->show = show_stats_lifespan; |
| hsa->store = set_stats_lifespan; |
| hsa->index = 0; |
| hsa->port_num = port_num; |
| |
| return &hsa->attr; |
| } |
| |
| static void setup_hw_stats(struct ib_device *device, struct ib_port *port, |
| u8 port_num) |
| { |
| struct attribute_group *hsag; |
| struct rdma_hw_stats *stats; |
| int i, ret; |
| |
| stats = device->ops.alloc_hw_stats(device, port_num); |
| |
| if (!stats) |
| return; |
| |
| if (!stats->names || stats->num_counters <= 0) |
| goto err_free_stats; |
| |
| /* |
| * Two extra attribue elements here, one for the lifespan entry and |
| * one to NULL terminate the list for the sysfs core code |
| */ |
| hsag = kzalloc(sizeof(*hsag) + |
| sizeof(void *) * (stats->num_counters + 2), |
| GFP_KERNEL); |
| if (!hsag) |
| goto err_free_stats; |
| |
| ret = device->ops.get_hw_stats(device, stats, port_num, |
| stats->num_counters); |
| if (ret != stats->num_counters) |
| goto err_free_hsag; |
| |
| stats->timestamp = jiffies; |
| |
| hsag->name = "hw_counters"; |
| hsag->attrs = (void *)hsag + sizeof(*hsag); |
| |
| for (i = 0; i < stats->num_counters; i++) { |
| hsag->attrs[i] = alloc_hsa(i, port_num, stats->names[i]); |
| if (!hsag->attrs[i]) |
| goto err; |
| sysfs_attr_init(hsag->attrs[i]); |
| } |
| |
| mutex_init(&stats->lock); |
| /* treat an error here as non-fatal */ |
| hsag->attrs[i] = alloc_hsa_lifespan("lifespan", port_num); |
| if (hsag->attrs[i]) |
| sysfs_attr_init(hsag->attrs[i]); |
| |
| if (port) { |
| struct kobject *kobj = &port->kobj; |
| ret = sysfs_create_group(kobj, hsag); |
| if (ret) |
| goto err; |
| port->hw_stats_ag = hsag; |
| port->hw_stats = stats; |
| } else { |
| struct kobject *kobj = &device->dev.kobj; |
| ret = sysfs_create_group(kobj, hsag); |
| if (ret) |
| goto err; |
| device->hw_stats_ag = hsag; |
| device->hw_stats = stats; |
| } |
| |
| return; |
| |
| err: |
| for (; i >= 0; i--) |
| kfree(hsag->attrs[i]); |
| err_free_hsag: |
| kfree(hsag); |
| err_free_stats: |
| kfree(stats); |
| return; |
| } |
| |
| static int add_port(struct ib_device *device, int port_num) |
| { |
| struct ib_port *p; |
| struct ib_port_attr attr; |
| int i; |
| int ret; |
| |
| ret = ib_query_port(device, port_num, &attr); |
| if (ret) |
| return ret; |
| |
| p = kzalloc(sizeof *p, GFP_KERNEL); |
| if (!p) |
| return -ENOMEM; |
| |
| p->ibdev = device; |
| p->port_num = port_num; |
| |
| ret = kobject_init_and_add(&p->kobj, &port_type, |
| device->ports_kobj, |
| "%d", port_num); |
| if (ret) { |
| kfree(p); |
| return ret; |
| } |
| |
| p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL); |
| if (!p->gid_attr_group) { |
| ret = -ENOMEM; |
| goto err_put; |
| } |
| |
| p->gid_attr_group->port = p; |
| ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type, |
| &p->kobj, "gid_attrs"); |
| if (ret) { |
| kfree(p->gid_attr_group); |
| goto err_put; |
| } |
| |
| if (device->ops.process_mad) { |
| p->pma_table = get_counter_table(device, port_num); |
| ret = sysfs_create_group(&p->kobj, p->pma_table); |
| if (ret) |
| goto err_put_gid_attrs; |
| } |
| |
| p->gid_group.name = "gids"; |
| p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); |
| if (!p->gid_group.attrs) { |
| ret = -ENOMEM; |
| goto err_remove_pma; |
| } |
| |
| ret = sysfs_create_group(&p->kobj, &p->gid_group); |
| if (ret) |
| goto err_free_gid; |
| |
| p->gid_attr_group->ndev.name = "ndevs"; |
| p->gid_attr_group->ndev.attrs = alloc_group_attrs(show_port_gid_attr_ndev, |
| attr.gid_tbl_len); |
| if (!p->gid_attr_group->ndev.attrs) { |
| ret = -ENOMEM; |
| goto err_remove_gid; |
| } |
| |
| ret = sysfs_create_group(&p->gid_attr_group->kobj, |
| &p->gid_attr_group->ndev); |
| if (ret) |
| goto err_free_gid_ndev; |
| |
| p->gid_attr_group->type.name = "types"; |
| p->gid_attr_group->type.attrs = alloc_group_attrs(show_port_gid_attr_gid_type, |
| attr.gid_tbl_len); |
| if (!p->gid_attr_group->type.attrs) { |
| ret = -ENOMEM; |
| goto err_remove_gid_ndev; |
| } |
| |
| ret = sysfs_create_group(&p->gid_attr_group->kobj, |
| &p->gid_attr_group->type); |
| if (ret) |
| goto err_free_gid_type; |
| |
| p->pkey_group.name = "pkeys"; |
| p->pkey_group.attrs = alloc_group_attrs(show_port_pkey, |
| attr.pkey_tbl_len); |
| if (!p->pkey_group.attrs) { |
| ret = -ENOMEM; |
| goto err_remove_gid_type; |
| } |
| |
| ret = sysfs_create_group(&p->kobj, &p->pkey_group); |
| if (ret) |
| goto err_free_pkey; |
| |
| if (device->ops.init_port) { |
| ret = device->ops.init_port(device, port_num, &p->kobj); |
| if (ret) |
| goto err_remove_pkey; |
| } |
| |
| /* |
| * If port == 0, it means hw_counters are per device and not per |
| * port, so holder should be device. Therefore skip per port conunter |
| * initialization. |
| */ |
| if (device->ops.alloc_hw_stats && port_num) |
| setup_hw_stats(device, p, port_num); |
| |
| list_add_tail(&p->kobj.entry, &device->port_list); |
| |
| kobject_uevent(&p->kobj, KOBJ_ADD); |
| return 0; |
| |
| err_remove_pkey: |
| sysfs_remove_group(&p->kobj, &p->pkey_group); |
| |
| err_free_pkey: |
| for (i = 0; i < attr.pkey_tbl_len; ++i) |
| kfree(p->pkey_group.attrs[i]); |
| |
| kfree(p->pkey_group.attrs); |
| p->pkey_group.attrs = NULL; |
| |
| err_remove_gid_type: |
| sysfs_remove_group(&p->gid_attr_group->kobj, |
| &p->gid_attr_group->type); |
| |
| err_free_gid_type: |
| for (i = 0; i < attr.gid_tbl_len; ++i) |
| kfree(p->gid_attr_group->type.attrs[i]); |
| |
| kfree(p->gid_attr_group->type.attrs); |
| p->gid_attr_group->type.attrs = NULL; |
| |
| err_remove_gid_ndev: |
| sysfs_remove_group(&p->gid_attr_group->kobj, |
| &p->gid_attr_group->ndev); |
| |
| err_free_gid_ndev: |
| for (i = 0; i < attr.gid_tbl_len; ++i) |
| kfree(p->gid_attr_group->ndev.attrs[i]); |
| |
| kfree(p->gid_attr_group->ndev.attrs); |
| p->gid_attr_group->ndev.attrs = NULL; |
| |
| err_remove_gid: |
| sysfs_remove_group(&p->kobj, &p->gid_group); |
| |
| err_free_gid: |
| for (i = 0; i < attr.gid_tbl_len; ++i) |
| kfree(p->gid_group.attrs[i]); |
| |
| kfree(p->gid_group.attrs); |
| p->gid_group.attrs = NULL; |
| |
| err_remove_pma: |
| if (p->pma_table) |
| sysfs_remove_group(&p->kobj, p->pma_table); |
| |
| err_put_gid_attrs: |
| kobject_put(&p->gid_attr_group->kobj); |
| |
| err_put: |
| kobject_put(&p->kobj); |
| return ret; |
| } |
| |
| static ssize_t node_type_show(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct ib_device *dev = rdma_device_to_ibdev(device); |
| |
| switch (dev->node_type) { |
| case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); |
| case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); |
| case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type); |
| case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type); |
| case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); |
| case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); |
| default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); |
| } |
| } |
| static DEVICE_ATTR_RO(node_type); |
| |
| static ssize_t sys_image_guid_show(struct device *device, |
| struct device_attribute *dev_attr, char *buf) |
| { |
| struct ib_device *dev = rdma_device_to_ibdev(device); |
| |
| return sprintf(buf, "%04x:%04x:%04x:%04x\n", |
| be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]), |
| be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]), |
| be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]), |
| be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3])); |
| } |
| static DEVICE_ATTR_RO(sys_image_guid); |
| |
| static ssize_t node_guid_show(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct ib_device *dev = rdma_device_to_ibdev(device); |
| |
| return sprintf(buf, "%04x:%04x:%04x:%04x\n", |
| be16_to_cpu(((__be16 *) &dev->node_guid)[0]), |
| be16_to_cpu(((__be16 *) &dev->node_guid)[1]), |
| be16_to_cpu(((__be16 *) &dev->node_guid)[2]), |
| be16_to_cpu(((__be16 *) &dev->node_guid)[3])); |
| } |
| static DEVICE_ATTR_RO(node_guid); |
| |
| static ssize_t node_desc_show(struct device *device, |
| struct device_attribute *attr, char *buf) |
| { |
| struct ib_device *dev = rdma_device_to_ibdev(device); |
| |
| return sprintf(buf, "%.64s\n", dev->node_desc); |
| } |
| |
| static ssize_t node_desc_store(struct device *device, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct ib_device *dev = rdma_device_to_ibdev(device); |
| struct ib_device_modify desc = {}; |
| int ret; |
| |
| if (!dev->ops.modify_device) |
| return -EIO; |
| |
| memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX)); |
| ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); |
| if (ret) |
| return ret; |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(node_desc); |
| |
| static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr, |
| char *buf) |
| { |
| struct ib_device *dev = rdma_device_to_ibdev(device); |
| |
| ib_get_device_fw_str(dev, buf); |
| strlcat(buf, "\n", IB_FW_VERSION_NAME_MAX); |
| return strlen(buf); |
| } |
| static DEVICE_ATTR_RO(fw_ver); |
| |
| static struct attribute *ib_dev_attrs[] = { |
| &dev_attr_node_type.attr, |
| &dev_attr_node_guid.attr, |
| &dev_attr_sys_image_guid.attr, |
| &dev_attr_fw_ver.attr, |
| &dev_attr_node_desc.attr, |
| NULL, |
| }; |
| |
| const struct attribute_group ib_dev_attr_group = { |
| .attrs = ib_dev_attrs, |
| }; |
| |
| static void ib_free_port_attrs(struct ib_device *device) |
| { |
| struct kobject *p, *t; |
| |
| list_for_each_entry_safe(p, t, &device->port_list, entry) { |
| struct ib_port *port = container_of(p, struct ib_port, kobj); |
| |
| list_del(&p->entry); |
| if (port->hw_stats_ag) |
| free_hsag(&port->kobj, port->hw_stats_ag); |
| kfree(port->hw_stats); |
| |
| if (port->pma_table) |
| sysfs_remove_group(p, port->pma_table); |
| sysfs_remove_group(p, &port->pkey_group); |
| sysfs_remove_group(p, &port->gid_group); |
| sysfs_remove_group(&port->gid_attr_group->kobj, |
| &port->gid_attr_group->ndev); |
| sysfs_remove_group(&port->gid_attr_group->kobj, |
| &port->gid_attr_group->type); |
| kobject_put(&port->gid_attr_group->kobj); |
| kobject_put(p); |
| } |
| |
| kobject_put(device->ports_kobj); |
| } |
| |
| static int ib_setup_port_attrs(struct ib_device *device) |
| { |
| unsigned int port; |
| int ret; |
| |
| device->ports_kobj = kobject_create_and_add("ports", &device->dev.kobj); |
| if (!device->ports_kobj) |
| return -ENOMEM; |
| |
| rdma_for_each_port (device, port) { |
| ret = add_port(device, port); |
| if (ret) |
| goto err_put; |
| } |
| |
| return 0; |
| |
| err_put: |
| ib_free_port_attrs(device); |
| return ret; |
| } |
| |
| int ib_device_register_sysfs(struct ib_device *device) |
| { |
| int ret; |
| |
| ret = ib_setup_port_attrs(device); |
| if (ret) |
| return ret; |
| |
| if (device->ops.alloc_hw_stats) |
| setup_hw_stats(device, NULL, 0); |
| |
| return 0; |
| } |
| |
| void ib_device_unregister_sysfs(struct ib_device *device) |
| { |
| if (device->hw_stats_ag) |
| free_hsag(&device->dev.kobj, device->hw_stats_ag); |
| kfree(device->hw_stats); |
| |
| ib_free_port_attrs(device); |
| } |