net/devlink/leftover.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * net/core/devlink.c - Network physical/parent device Netlink interface
   4  *
   5  * Heavily inspired by net/wireless/
   6  * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
   7  * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
   8  */
   9
  10 #include <linux/etherdevice.h>
  11 #include <linux/kernel.h>
  12 #include <linux/module.h>
  13 #include <linux/types.h>
  14 #include <linux/slab.h>
  15 #include <linux/gfp.h>
  16 #include <linux/device.h>
  17 #include <linux/list.h>
  18 #include <linux/netdevice.h>
  19 #include <linux/spinlock.h>
  20 #include <linux/refcount.h>
  21 #include <linux/workqueue.h>
  22 #include <linux/u64_stats_sync.h>
  23 #include <linux/timekeeping.h>
  24 #include <rdma/ib_verbs.h>
  25 #include <net/netlink.h>
  26 #include <net/genetlink.h>
  27 #include <net/rtnetlink.h>
  28 #include <net/net_namespace.h>
  29 #include <net/sock.h>
  30 #include <net/devlink.h>
  31
  32 #include "devl_internal.h"
  33
  34 const struct genl_small_ops devlink_nl_small_ops[40] = {
  35         {
  36                 .cmd = DEVLINK_CMD_PORT_SET,
  37                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
  38                 .doit = devlink_nl_cmd_port_set_doit,
  39                 .flags = GENL_ADMIN_PERM,
  40                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
  41         },
  42         {
  43                 .cmd = DEVLINK_CMD_RATE_SET,
  44                 .doit = devlink_nl_cmd_rate_set_doit,
  45                 .flags = GENL_ADMIN_PERM,
  46         },
  47         {
  48                 .cmd = DEVLINK_CMD_RATE_NEW,
  49                 .doit = devlink_nl_cmd_rate_new_doit,
  50                 .flags = GENL_ADMIN_PERM,
  51         },
  52         {
  53                 .cmd = DEVLINK_CMD_RATE_DEL,
  54                 .doit = devlink_nl_cmd_rate_del_doit,
  55                 .flags = GENL_ADMIN_PERM,
  56         },
  57         {
  58                 .cmd = DEVLINK_CMD_PORT_SPLIT,
  59                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
  60                 .doit = devlink_nl_cmd_port_split_doit,
  61                 .flags = GENL_ADMIN_PERM,
  62                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
  63         },
  64         {
  65                 .cmd = DEVLINK_CMD_PORT_UNSPLIT,
  66                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
  67                 .doit = devlink_nl_cmd_port_unsplit_doit,
  68                 .flags = GENL_ADMIN_PERM,
  69                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
  70         },
  71         {
  72                 .cmd = DEVLINK_CMD_PORT_NEW,
  73                 .doit = devlink_nl_cmd_port_new_doit,
  74                 .flags = GENL_ADMIN_PERM,
  75         },
  76         {
  77                 .cmd = DEVLINK_CMD_PORT_DEL,
  78                 .doit = devlink_nl_cmd_port_del_doit,
  79                 .flags = GENL_ADMIN_PERM,
  80                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
  81         },
  82
  83         {
  84                 .cmd = DEVLINK_CMD_LINECARD_SET,
  85                 .doit = devlink_nl_cmd_linecard_set_doit,
  86                 .flags = GENL_ADMIN_PERM,
  87         },
  88         {
  89                 .cmd = DEVLINK_CMD_SB_POOL_SET,
  90                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
  91                 .doit = devlink_nl_cmd_sb_pool_set_doit,
  92                 .flags = GENL_ADMIN_PERM,
  93         },
  94         {
  95                 .cmd = DEVLINK_CMD_SB_PORT_POOL_SET,
  96                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
  97                 .doit = devlink_nl_cmd_sb_port_pool_set_doit,
  98                 .flags = GENL_ADMIN_PERM,
  99                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 100         },
 101         {
 102                 .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET,
 103                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 104                 .doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit,
 105                 .flags = GENL_ADMIN_PERM,
 106                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 107         },
 108         {
 109                 .cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT,
 110                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 111                 .doit = devlink_nl_cmd_sb_occ_snapshot_doit,
 112                 .flags = GENL_ADMIN_PERM,
 113         },
 114         {
 115                 .cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR,
 116                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 117                 .doit = devlink_nl_cmd_sb_occ_max_clear_doit,
 118                 .flags = GENL_ADMIN_PERM,
 119         },
 120         {
 121                 .cmd = DEVLINK_CMD_ESWITCH_GET,
 122                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 123                 .doit = devlink_nl_cmd_eswitch_get_doit,
 124                 .flags = GENL_ADMIN_PERM,
 125         },
 126         {
 127                 .cmd = DEVLINK_CMD_ESWITCH_SET,
 128                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 129                 .doit = devlink_nl_cmd_eswitch_set_doit,
 130                 .flags = GENL_ADMIN_PERM,
 131         },
 132         {
 133                 .cmd = DEVLINK_CMD_DPIPE_TABLE_GET,
 134                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 135                 .doit = devlink_nl_cmd_dpipe_table_get,
 136                 /* can be retrieved by unprivileged users */
 137         },
 138         {
 139                 .cmd = DEVLINK_CMD_DPIPE_ENTRIES_GET,
 140                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 141                 .doit = devlink_nl_cmd_dpipe_entries_get,
 142                 /* can be retrieved by unprivileged users */
 143         },
 144         {
 145                 .cmd = DEVLINK_CMD_DPIPE_HEADERS_GET,
 146                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 147                 .doit = devlink_nl_cmd_dpipe_headers_get,
 148                 /* can be retrieved by unprivileged users */
 149         },
 150         {
 151                 .cmd = DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
 152                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 153                 .doit = devlink_nl_cmd_dpipe_table_counters_set,
 154                 .flags = GENL_ADMIN_PERM,
 155         },
 156         {
 157                 .cmd = DEVLINK_CMD_RESOURCE_SET,
 158                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 159                 .doit = devlink_nl_cmd_resource_set,
 160                 .flags = GENL_ADMIN_PERM,
 161         },
 162         {
 163                 .cmd = DEVLINK_CMD_RESOURCE_DUMP,
 164                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 165                 .doit = devlink_nl_cmd_resource_dump,
 166                 /* can be retrieved by unprivileged users */
 167         },
 168         {
 169                 .cmd = DEVLINK_CMD_RELOAD,
 170                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 171                 .doit = devlink_nl_cmd_reload,
 172                 .flags = GENL_ADMIN_PERM,
 173         },
 174         {
 175                 .cmd = DEVLINK_CMD_PARAM_SET,
 176                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 177                 .doit = devlink_nl_cmd_param_set_doit,
 178                 .flags = GENL_ADMIN_PERM,
 179         },
 180         {
 181                 .cmd = DEVLINK_CMD_PORT_PARAM_GET,
 182                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 183                 .doit = devlink_nl_cmd_port_param_get_doit,
 184                 .dumpit = devlink_nl_cmd_port_param_get_dumpit,
 185                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 186                 /* can be retrieved by unprivileged users */
 187         },
 188         {
 189                 .cmd = DEVLINK_CMD_PORT_PARAM_SET,
 190                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 191                 .doit = devlink_nl_cmd_port_param_set_doit,
 192                 .flags = GENL_ADMIN_PERM,
 193                 .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
 194         },
 195         {
 196                 .cmd = DEVLINK_CMD_REGION_NEW,
 197                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 198                 .doit = devlink_nl_cmd_region_new,
 199                 .flags = GENL_ADMIN_PERM,
 200         },
 201         {
 202                 .cmd = DEVLINK_CMD_REGION_DEL,
 203                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 204                 .doit = devlink_nl_cmd_region_del,
 205                 .flags = GENL_ADMIN_PERM,
 206         },
 207         {
 208                 .cmd = DEVLINK_CMD_REGION_READ,
 209                 .validate = GENL_DONT_VALIDATE_STRICT |
 210                             GENL_DONT_VALIDATE_DUMP_STRICT,
 211                 .dumpit = devlink_nl_cmd_region_read_dumpit,
 212                 .flags = GENL_ADMIN_PERM,
 213         },
 214         {
 215                 .cmd = DEVLINK_CMD_HEALTH_REPORTER_SET,
 216                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 217                 .doit = devlink_nl_cmd_health_reporter_set_doit,
 218                 .flags = GENL_ADMIN_PERM,
 219                 .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
 220         },
 221         {
 222                 .cmd = DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
 223                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 224                 .doit = devlink_nl_cmd_health_reporter_recover_doit,
 225                 .flags = GENL_ADMIN_PERM,
 226                 .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
 227         },
 228         {
 229                 .cmd = DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
 230                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 231                 .doit = devlink_nl_cmd_health_reporter_diagnose_doit,
 232                 .flags = GENL_ADMIN_PERM,
 233                 .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
 234         },
 235         {
 236                 .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
 237                 .validate = GENL_DONT_VALIDATE_STRICT |
 238                             GENL_DONT_VALIDATE_DUMP_STRICT,
 239                 .dumpit = devlink_nl_cmd_health_reporter_dump_get_dumpit,
 240                 .flags = GENL_ADMIN_PERM,
 241         },
 242         {
 243                 .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
 244                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 245                 .doit = devlink_nl_cmd_health_reporter_dump_clear_doit,
 246                 .flags = GENL_ADMIN_PERM,
 247                 .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
 248         },
 249         {
 250                 .cmd = DEVLINK_CMD_HEALTH_REPORTER_TEST,
 251                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 252                 .doit = devlink_nl_cmd_health_reporter_test_doit,
 253                 .flags = GENL_ADMIN_PERM,
 254                 .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT,
 255         },
 256         {
 257                 .cmd = DEVLINK_CMD_FLASH_UPDATE,
 258                 .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
 259                 .doit = devlink_nl_cmd_flash_update,
 260                 .flags = GENL_ADMIN_PERM,
 261         },
 262         {
 263                 .cmd = DEVLINK_CMD_TRAP_SET,
 264                 .doit = devlink_nl_cmd_trap_set_doit,
 265                 .flags = GENL_ADMIN_PERM,
 266         },
 267         {
 268                 .cmd = DEVLINK_CMD_TRAP_GROUP_SET,
 269                 .doit = devlink_nl_cmd_trap_group_set_doit,
 270                 .flags = GENL_ADMIN_PERM,
 271         },
 272         {
 273                 .cmd = DEVLINK_CMD_TRAP_POLICER_SET,
 274                 .doit = devlink_nl_cmd_trap_policer_set_doit,
 275                 .flags = GENL_ADMIN_PERM,
 276         },
 277         {
 278                 .cmd = DEVLINK_CMD_SELFTESTS_RUN,
 279                 .doit = devlink_nl_cmd_selftests_run,
 280                 .flags = GENL_ADMIN_PERM,
 281         },
 282         /* -- No new ops here! Use split ops going forward! -- */
 283 };
 284
 285 void devlink_notify_register(struct devlink *devlink)
 286 {
 287         devlink_notify(devlink, DEVLINK_CMD_NEW);
 288         devlink_linecards_notify_register(devlink);
 289         devlink_ports_notify_register(devlink);
 290         devlink_trap_policers_notify_register(devlink);
 291         devlink_trap_groups_notify_register(devlink);
 292         devlink_traps_notify_register(devlink);
 293         devlink_rates_notify_register(devlink);
 294         devlink_regions_notify_register(devlink);
 295         devlink_params_notify_register(devlink);
 296 }
 297
 298 void devlink_notify_unregister(struct devlink *devlink)
 299 {
 300         devlink_params_notify_unregister(devlink);
 301         devlink_regions_notify_unregister(devlink);
 302         devlink_rates_notify_unregister(devlink);
 303         devlink_traps_notify_unregister(devlink);
 304         devlink_trap_groups_notify_unregister(devlink);
 305         devlink_trap_policers_notify_unregister(devlink);
 306         devlink_ports_notify_unregister(devlink);
 307         devlink_linecards_notify_unregister(devlink);
 308         devlink_notify(devlink, DEVLINK_CMD_DEL);
 309 }