diff options
Diffstat (limited to 'net/devlink/netlink.c')
| -rw-r--r-- | net/devlink/netlink.c | 358 |
1 files changed, 32 insertions, 326 deletions
diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c index fc3e7c029a..d0b90ebc8b 100644 --- a/net/devlink/netlink.c +++ b/net/devlink/netlink.c @@ -13,74 +13,37 @@ static const struct genl_multicast_group devlink_nl_mcgrps[] = { [DEVLINK_MCGRP_CONFIG] = { .name = DEVLINK_GENL_MCGRP_CONFIG_NAME }, }; -static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = { - [DEVLINK_ATTR_UNSPEC] = { .strict_start_type = - DEVLINK_ATTR_TRAP_POLICER_ID }, - [DEVLINK_ATTR_BUS_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_PORT_INDEX] = { .type = NLA_U32 }, - [DEVLINK_ATTR_PORT_TYPE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_PORT_TYPE_AUTO, - DEVLINK_PORT_TYPE_IB), - [DEVLINK_ATTR_PORT_SPLIT_COUNT] = { .type = NLA_U32 }, - [DEVLINK_ATTR_SB_INDEX] = { .type = NLA_U32 }, - [DEVLINK_ATTR_SB_POOL_INDEX] = { .type = NLA_U16 }, - [DEVLINK_ATTR_SB_POOL_TYPE] = { .type = NLA_U8 }, - [DEVLINK_ATTR_SB_POOL_SIZE] = { .type = NLA_U32 }, - [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = { .type = NLA_U8 }, - [DEVLINK_ATTR_SB_THRESHOLD] = { .type = NLA_U32 }, - [DEVLINK_ATTR_SB_TC_INDEX] = { .type = NLA_U16 }, - [DEVLINK_ATTR_ESWITCH_MODE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_ESWITCH_MODE_LEGACY, - DEVLINK_ESWITCH_MODE_SWITCHDEV), - [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = { .type = NLA_U8 }, - [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = { .type = NLA_U8 }, - [DEVLINK_ATTR_DPIPE_TABLE_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = { .type = NLA_U8 }, - [DEVLINK_ATTR_RESOURCE_ID] = { .type = NLA_U64}, - [DEVLINK_ATTR_RESOURCE_SIZE] = { .type = NLA_U64}, - [DEVLINK_ATTR_PARAM_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_PARAM_TYPE] = { .type = NLA_U8 }, - [DEVLINK_ATTR_PARAM_VALUE_CMODE] = { .type = NLA_U8 }, - [DEVLINK_ATTR_REGION_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = { .type = NLA_U32 }, - [DEVLINK_ATTR_REGION_CHUNK_ADDR] = { .type = NLA_U64 }, - [DEVLINK_ATTR_REGION_CHUNK_LEN] = { .type = NLA_U64 }, - [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = { .type = NLA_U64 }, - [DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER] = { .type = NLA_U8 }, - [DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK] = - NLA_POLICY_BITFIELD32(DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS), - [DEVLINK_ATTR_TRAP_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_TRAP_ACTION] = { .type = NLA_U8 }, - [DEVLINK_ATTR_TRAP_GROUP_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_NETNS_PID] = { .type = NLA_U32 }, - [DEVLINK_ATTR_NETNS_FD] = { .type = NLA_U32 }, - [DEVLINK_ATTR_NETNS_ID] = { .type = NLA_U32 }, - [DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP] = { .type = NLA_U8 }, - [DEVLINK_ATTR_TRAP_POLICER_ID] = { .type = NLA_U32 }, - [DEVLINK_ATTR_TRAP_POLICER_RATE] = { .type = NLA_U64 }, - [DEVLINK_ATTR_TRAP_POLICER_BURST] = { .type = NLA_U64 }, - [DEVLINK_ATTR_PORT_FUNCTION] = { .type = NLA_NESTED }, - [DEVLINK_ATTR_RELOAD_ACTION] = NLA_POLICY_RANGE(NLA_U8, DEVLINK_RELOAD_ACTION_DRIVER_REINIT, - DEVLINK_RELOAD_ACTION_MAX), - [DEVLINK_ATTR_RELOAD_LIMITS] = NLA_POLICY_BITFIELD32(DEVLINK_RELOAD_LIMITS_VALID_MASK), - [DEVLINK_ATTR_PORT_FLAVOUR] = { .type = NLA_U16 }, - [DEVLINK_ATTR_PORT_PCI_PF_NUMBER] = { .type = NLA_U16 }, - [DEVLINK_ATTR_PORT_PCI_SF_NUMBER] = { .type = NLA_U32 }, - [DEVLINK_ATTR_PORT_CONTROLLER_NUMBER] = { .type = NLA_U32 }, - [DEVLINK_ATTR_RATE_TYPE] = { .type = NLA_U16 }, - [DEVLINK_ATTR_RATE_TX_SHARE] = { .type = NLA_U64 }, - [DEVLINK_ATTR_RATE_TX_MAX] = { .type = NLA_U64 }, - [DEVLINK_ATTR_RATE_NODE_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_RATE_PARENT_NODE_NAME] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_LINECARD_INDEX] = { .type = NLA_U32 }, - [DEVLINK_ATTR_LINECARD_TYPE] = { .type = NLA_NUL_STRING }, - [DEVLINK_ATTR_SELFTESTS] = { .type = NLA_NESTED }, - [DEVLINK_ATTR_RATE_TX_PRIORITY] = { .type = NLA_U32 }, - [DEVLINK_ATTR_RATE_TX_WEIGHT] = { .type = NLA_U32 }, - [DEVLINK_ATTR_REGION_DIRECT] = { .type = NLA_FLAG }, -}; +int devlink_nl_put_nested_handle(struct sk_buff *msg, struct net *net, + struct devlink *devlink, int attrtype) +{ + struct nlattr *nested_attr; + struct net *devl_net; + + nested_attr = nla_nest_start(msg, attrtype); + if (!nested_attr) + return -EMSGSIZE; + if (devlink_nl_put_handle(msg, devlink)) + goto nla_put_failure; + + rcu_read_lock(); + devl_net = read_pnet_rcu(&devlink->_net); + if (!net_eq(net, devl_net)) { + int id = peernet2id_alloc(net, devl_net, GFP_ATOMIC); + + rcu_read_unlock(); + if (nla_put_s32(msg, DEVLINK_ATTR_NETNS_ID, id)) + return -EMSGSIZE; + } else { + rcu_read_unlock(); + } + + nla_nest_end(msg, nested_attr); + return 0; + +nla_put_failure: + nla_nest_cancel(msg, nested_attr); + return -EMSGSIZE; +} int devlink_nl_msg_reply_and_new(struct sk_buff **msg, struct genl_info *info) { @@ -159,7 +122,7 @@ unlock: int devlink_nl_pre_doit(const struct genl_split_ops *ops, struct sk_buff *skb, struct genl_info *info) { - return __devlink_nl_pre_doit(skb, info, ops->internal_flags); + return __devlink_nl_pre_doit(skb, info, 0); } int devlink_nl_pre_doit_port(const struct genl_split_ops *ops, @@ -255,269 +218,12 @@ int devlink_nl_dumpit(struct sk_buff *msg, struct netlink_callback *cb, return devlink_nl_inst_iter_dumpit(msg, cb, flags, dump_one); } -static const struct genl_small_ops devlink_nl_small_ops[40] = { - { - .cmd = DEVLINK_CMD_PORT_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_port_set_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - { - .cmd = DEVLINK_CMD_RATE_SET, - .doit = devlink_nl_cmd_rate_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_RATE_NEW, - .doit = devlink_nl_cmd_rate_new_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_RATE_DEL, - .doit = devlink_nl_cmd_rate_del_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_PORT_SPLIT, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_port_split_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - { - .cmd = DEVLINK_CMD_PORT_UNSPLIT, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_port_unsplit_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - { - .cmd = DEVLINK_CMD_PORT_NEW, - .doit = devlink_nl_cmd_port_new_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_PORT_DEL, - .doit = devlink_nl_cmd_port_del_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - - { - .cmd = DEVLINK_CMD_LINECARD_SET, - .doit = devlink_nl_cmd_linecard_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_SB_POOL_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_sb_pool_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_SB_PORT_POOL_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_sb_port_pool_set_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - { - .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - { - .cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_sb_occ_snapshot_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_sb_occ_max_clear_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_ESWITCH_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_eswitch_get_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_ESWITCH_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_eswitch_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_DPIPE_TABLE_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_dpipe_table_get, - /* can be retrieved by unprivileged users */ - }, - { - .cmd = DEVLINK_CMD_DPIPE_ENTRIES_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_dpipe_entries_get, - /* can be retrieved by unprivileged users */ - }, - { - .cmd = DEVLINK_CMD_DPIPE_HEADERS_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_dpipe_headers_get, - /* can be retrieved by unprivileged users */ - }, - { - .cmd = DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_dpipe_table_counters_set, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_RESOURCE_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_resource_set, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_RESOURCE_DUMP, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_resource_dump, - /* can be retrieved by unprivileged users */ - }, - { - .cmd = DEVLINK_CMD_RELOAD, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_reload, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_PARAM_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_param_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_PORT_PARAM_GET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_port_param_get_doit, - .dumpit = devlink_nl_cmd_port_param_get_dumpit, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - /* can be retrieved by unprivileged users */ - }, - { - .cmd = DEVLINK_CMD_PORT_PARAM_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_port_param_set_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_PORT, - }, - { - .cmd = DEVLINK_CMD_REGION_NEW, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_region_new, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_REGION_DEL, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_region_del, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_REGION_READ, - .validate = GENL_DONT_VALIDATE_STRICT | - GENL_DONT_VALIDATE_DUMP_STRICT, - .dumpit = devlink_nl_cmd_region_read_dumpit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_HEALTH_REPORTER_SET, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_health_reporter_set_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT, - }, - { - .cmd = DEVLINK_CMD_HEALTH_REPORTER_RECOVER, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_health_reporter_recover_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT, - }, - { - .cmd = DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_health_reporter_diagnose_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT, - }, - { - .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, - .validate = GENL_DONT_VALIDATE_STRICT | - GENL_DONT_VALIDATE_DUMP_STRICT, - .dumpit = devlink_nl_cmd_health_reporter_dump_get_dumpit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_health_reporter_dump_clear_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT, - }, - { - .cmd = DEVLINK_CMD_HEALTH_REPORTER_TEST, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_health_reporter_test_doit, - .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK_OR_PORT, - }, - { - .cmd = DEVLINK_CMD_FLASH_UPDATE, - .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .doit = devlink_nl_cmd_flash_update, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_TRAP_SET, - .doit = devlink_nl_cmd_trap_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_TRAP_GROUP_SET, - .doit = devlink_nl_cmd_trap_group_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_TRAP_POLICER_SET, - .doit = devlink_nl_cmd_trap_policer_set_doit, - .flags = GENL_ADMIN_PERM, - }, - { - .cmd = DEVLINK_CMD_SELFTESTS_RUN, - .doit = devlink_nl_cmd_selftests_run, - .flags = GENL_ADMIN_PERM, - }, - /* -- No new ops here! Use split ops going forward! -- */ -}; - struct genl_family devlink_nl_family __ro_after_init = { .name = DEVLINK_GENL_NAME, .version = DEVLINK_GENL_VERSION, - .maxattr = DEVLINK_ATTR_MAX, - .policy = devlink_nl_policy, .netnsok = true, .parallel_ops = true, - .pre_doit = devlink_nl_pre_doit, - .post_doit = devlink_nl_post_doit, .module = THIS_MODULE, - .small_ops = devlink_nl_small_ops, - .n_small_ops = ARRAY_SIZE(devlink_nl_small_ops), .split_ops = devlink_nl_ops, .n_split_ops = ARRAY_SIZE(devlink_nl_ops), .resv_start_op = DEVLINK_CMD_SELFTESTS_RUN + 1, |