EXPORT_SYMBOL(devlink_dpipe_header_ipv6);
EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwerr);
static LIST_HEAD(devlink_list);
if (nla_put_u8(msg, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
pool_info.threshold_type))
goto nla_put_failure;
+ if (nla_put_u32(msg, DEVLINK_ATTR_SB_POOL_CELL_SIZE,
+ pool_info.cell_size))
+ goto nla_put_failure;
genlmsg_end(msg, hdr);
return 0;
u32 portid, u32 seq, int flags)
{
union devlink_param_value param_value[DEVLINK_PARAM_CMODE_MAX + 1];
+ bool param_value_set[DEVLINK_PARAM_CMODE_MAX + 1] = {};
const struct devlink_param *param = param_item->param;
struct devlink_param_gset_ctx ctx;
struct nlattr *param_values_list;
return -EOPNOTSUPP;
param_value[i] = param_item->driverinit_value;
} else {
+ if (!param_item->published)
+ continue;
ctx.cmode = i;
err = devlink_param_get(devlink, param, &ctx);
if (err)
return err;
param_value[i] = ctx.val;
}
+ param_value_set[i] = true;
}
hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
goto param_nest_cancel;
for (i = 0; i <= DEVLINK_PARAM_CMODE_MAX; i++) {
- if (!devlink_param_cmode_is_supported(param, i))
+ if (!param_value_set[i])
continue;
err = devlink_nl_param_value_fill_one(msg, param->type,
i, param_value[i]);
return msg->len;
}
-static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
- [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] = { .type = NLA_U16 },
- [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] = { .type = NLA_U16 },
- [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 },
+struct devlink_fmsg_item {
+ struct list_head list;
+ int attrtype;
+ u8 nla_type;
+ u16 len;
+ int value[0];
};
-static const struct genl_ops devlink_nl_ops[] = {
- {
- .cmd = DEVLINK_CMD_GET,
- .doit = devlink_nl_cmd_get_doit,
- .dumpit = devlink_nl_cmd_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_PORT_GET,
- .doit = devlink_nl_cmd_port_get_doit,
- .dumpit = devlink_nl_cmd_port_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_PORT_SET,
- .doit = devlink_nl_cmd_port_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
- },
- {
- .cmd = DEVLINK_CMD_PORT_SPLIT,
- .doit = devlink_nl_cmd_port_split_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NO_LOCK,
- },
- {
- .cmd = DEVLINK_CMD_PORT_UNSPLIT,
- .doit = devlink_nl_cmd_port_unsplit_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NO_LOCK,
- },
- {
- .cmd = DEVLINK_CMD_SB_GET,
- .doit = devlink_nl_cmd_sb_get_doit,
- .dumpit = devlink_nl_cmd_sb_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NEED_SB,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_SB_POOL_GET,
- .doit = devlink_nl_cmd_sb_pool_get_doit,
- .dumpit = devlink_nl_cmd_sb_pool_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NEED_SB,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_SB_POOL_SET,
- .doit = devlink_nl_cmd_sb_pool_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NEED_SB,
- },
- {
- .cmd = DEVLINK_CMD_SB_PORT_POOL_GET,
- .doit = devlink_nl_cmd_sb_port_pool_get_doit,
- .dumpit = devlink_nl_cmd_sb_port_pool_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
- DEVLINK_NL_FLAG_NEED_SB,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_SB_PORT_POOL_SET,
- .doit = devlink_nl_cmd_sb_port_pool_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
- DEVLINK_NL_FLAG_NEED_SB,
- },
- {
- .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET,
- .doit = devlink_nl_cmd_sb_tc_pool_bind_get_doit,
- .dumpit = devlink_nl_cmd_sb_tc_pool_bind_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
- DEVLINK_NL_FLAG_NEED_SB,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET,
- .doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
- DEVLINK_NL_FLAG_NEED_SB,
- },
- {
- .cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT,
- .doit = devlink_nl_cmd_sb_occ_snapshot_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NEED_SB,
- },
- {
- .cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR,
- .doit = devlink_nl_cmd_sb_occ_max_clear_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NEED_SB,
- },
- {
- .cmd = DEVLINK_CMD_ESWITCH_GET,
- .doit = devlink_nl_cmd_eswitch_get_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- },
- {
- .cmd = DEVLINK_CMD_ESWITCH_SET,
- .doit = devlink_nl_cmd_eswitch_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NO_LOCK,
- },
- {
- .cmd = DEVLINK_CMD_DPIPE_TABLE_GET,
- .doit = devlink_nl_cmd_dpipe_table_get,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_DPIPE_ENTRIES_GET,
- .doit = devlink_nl_cmd_dpipe_entries_get,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_DPIPE_HEADERS_GET,
- .doit = devlink_nl_cmd_dpipe_headers_get,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
- .doit = devlink_nl_cmd_dpipe_table_counters_set,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- },
- {
- .cmd = DEVLINK_CMD_RESOURCE_SET,
- .doit = devlink_nl_cmd_resource_set,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- },
- {
- .cmd = DEVLINK_CMD_RESOURCE_DUMP,
- .doit = devlink_nl_cmd_resource_dump,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_RELOAD,
- .doit = devlink_nl_cmd_reload,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
- DEVLINK_NL_FLAG_NO_LOCK,
- },
- {
- .cmd = DEVLINK_CMD_PARAM_GET,
- .doit = devlink_nl_cmd_param_get_doit,
- .dumpit = devlink_nl_cmd_param_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_PARAM_SET,
- .doit = devlink_nl_cmd_param_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- },
- {
- .cmd = DEVLINK_CMD_PORT_PARAM_GET,
- .doit = devlink_nl_cmd_port_param_get_doit,
- .dumpit = devlink_nl_cmd_port_param_get_dumpit,
- .policy = devlink_nl_policy,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
- /* can be retrieved by unprivileged users */
- },
- {
- .cmd = DEVLINK_CMD_PORT_PARAM_SET,
- .doit = devlink_nl_cmd_port_param_set_doit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
- },
- {
- .cmd = DEVLINK_CMD_REGION_GET,
- .doit = devlink_nl_cmd_region_get_doit,
- .dumpit = devlink_nl_cmd_region_get_dumpit,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- },
- {
- .cmd = DEVLINK_CMD_REGION_DEL,
- .doit = devlink_nl_cmd_region_del,
- .policy = devlink_nl_policy,
- .flags = GENL_ADMIN_PERM,
- .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
- },
- {
+struct devlink_fmsg {
+ struct list_head item_list;
+};
+
+static struct devlink_fmsg *devlink_fmsg_alloc(void)
+{
+ struct devlink_fmsg *fmsg;
+
+ fmsg = kzalloc(sizeof(*fmsg), GFP_KERNEL);
+ if (!fmsg)
+ return NULL;
+
+ INIT_LIST_HEAD(&fmsg->item_list);
+
+ return fmsg;
+}
+
+static void devlink_fmsg_free(struct devlink_fmsg *fmsg)
+{
+ struct devlink_fmsg_item *item, *tmp;
+
+ list_for_each_entry_safe(item, tmp, &fmsg->item_list, list) {
+ list_del(&item->list);
+ kfree(item);
+ }
+ kfree(fmsg);
+}
+
+static int devlink_fmsg_nest_common(struct devlink_fmsg *fmsg,
+ int attrtype)
+{
+ struct devlink_fmsg_item *item;
+
+ item = kzalloc(sizeof(*item), GFP_KERNEL);
+ if (!item)
+ return -ENOMEM;
+
+ item->attrtype = attrtype;
+ list_add_tail(&item->list, &fmsg->item_list);
+
+ return 0;
+}
+
+int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg)
+{
+ return devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_OBJ_NEST_START);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_obj_nest_start);
+
+static int devlink_fmsg_nest_end(struct devlink_fmsg *fmsg)
+{
+ return devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_NEST_END);
+}
+
+int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg)
+{
+ return devlink_fmsg_nest_end(fmsg);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_obj_nest_end);
+
+#define DEVLINK_FMSG_MAX_SIZE (GENLMSG_DEFAULT_SIZE - GENL_HDRLEN - NLA_HDRLEN)
+
+static int devlink_fmsg_put_name(struct devlink_fmsg *fmsg, const char *name)
+{
+ struct devlink_fmsg_item *item;
+
+ if (strlen(name) + 1 > DEVLINK_FMSG_MAX_SIZE)
+ return -EMSGSIZE;
+
+ item = kzalloc(sizeof(*item) + strlen(name) + 1, GFP_KERNEL);
+ if (!item)
+ return -ENOMEM;
+
+ item->nla_type = NLA_NUL_STRING;
+ item->len = strlen(name) + 1;
+ item->attrtype = DEVLINK_ATTR_FMSG_OBJ_NAME;
+ memcpy(&item->value, name, item->len);
+ list_add_tail(&item->list, &fmsg->item_list);
+
+ return 0;
+}
+
+int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name)
+{
+ int err;
+
+ err = devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_PAIR_NEST_START);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_put_name(fmsg, name);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_pair_nest_start);
+
+int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg)
+{
+ return devlink_fmsg_nest_end(fmsg);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_pair_nest_end);
+
+int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
+ const char *name)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_nest_common(fmsg, DEVLINK_ATTR_FMSG_ARR_NEST_START);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_arr_pair_nest_start);
+
+int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg)
+{
+ int err;
+
+ err = devlink_fmsg_nest_end(fmsg);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_arr_pair_nest_end);
+
+static int devlink_fmsg_put_value(struct devlink_fmsg *fmsg,
+ const void *value, u16 value_len,
+ u8 value_nla_type)
+{
+ struct devlink_fmsg_item *item;
+
+ if (value_len > DEVLINK_FMSG_MAX_SIZE)
+ return -EMSGSIZE;
+
+ item = kzalloc(sizeof(*item) + value_len, GFP_KERNEL);
+ if (!item)
+ return -ENOMEM;
+
+ item->nla_type = value_nla_type;
+ item->len = value_len;
+ item->attrtype = DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA;
+ memcpy(&item->value, value, item->len);
+ list_add_tail(&item->list, &fmsg->item_list);
+
+ return 0;
+}
+
+int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value)
+{
+ return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_FLAG);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_bool_put);
+
+int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value)
+{
+ return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_U8);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_u8_put);
+
+int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value)
+{
+ return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_U32);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_u32_put);
+
+int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value)
+{
+ return devlink_fmsg_put_value(fmsg, &value, sizeof(value), NLA_U64);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_u64_put);
+
+int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value)
+{
+ return devlink_fmsg_put_value(fmsg, value, strlen(value) + 1,
+ NLA_NUL_STRING);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_string_put);
+
+int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
+ u16 value_len)
+{
+ return devlink_fmsg_put_value(fmsg, value, value_len, NLA_BINARY);
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_binary_put);
+
+int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ bool value)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_bool_put(fmsg, value);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_bool_pair_put);
+
+int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ u8 value)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_u8_put(fmsg, value);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_u8_pair_put);
+
+int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ u32 value)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_u32_put(fmsg, value);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_u32_pair_put);
+
+int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ u64 value)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_u64_put(fmsg, value);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_u64_pair_put);
+
+int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ const char *value)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_string_put(fmsg, value);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_string_pair_put);
+
+int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
+ const void *value, u16 value_len)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_binary_put(fmsg, value, value_len);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_fmsg_binary_pair_put);
+
+static int
+devlink_fmsg_item_fill_type(struct devlink_fmsg_item *msg, struct sk_buff *skb)
+{
+ switch (msg->nla_type) {
+ case NLA_FLAG:
+ case NLA_U8:
+ case NLA_U32:
+ case NLA_U64:
+ case NLA_NUL_STRING:
+ case NLA_BINARY:
+ return nla_put_u8(skb, DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE,
+ msg->nla_type);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int
+devlink_fmsg_item_fill_data(struct devlink_fmsg_item *msg, struct sk_buff *skb)
+{
+ int attrtype = DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA;
+ u8 tmp;
+
+ switch (msg->nla_type) {
+ case NLA_FLAG:
+ /* Always provide flag data, regardless of its value */
+ tmp = *(bool *) msg->value;
+
+ return nla_put_u8(skb, attrtype, tmp);
+ case NLA_U8:
+ return nla_put_u8(skb, attrtype, *(u8 *) msg->value);
+ case NLA_U32:
+ return nla_put_u32(skb, attrtype, *(u32 *) msg->value);
+ case NLA_U64:
+ return nla_put_u64_64bit(skb, attrtype, *(u64 *) msg->value,
+ DEVLINK_ATTR_PAD);
+ case NLA_NUL_STRING:
+ return nla_put_string(skb, attrtype, (char *) &msg->value);
+ case NLA_BINARY:
+ return nla_put(skb, attrtype, msg->len, (void *) &msg->value);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int
+devlink_fmsg_prepare_skb(struct devlink_fmsg *fmsg, struct sk_buff *skb,
+ int *start)
+{
+ struct devlink_fmsg_item *item;
+ struct nlattr *fmsg_nlattr;
+ int i = 0;
+ int err;
+
+ fmsg_nlattr = nla_nest_start(skb, DEVLINK_ATTR_FMSG);
+ if (!fmsg_nlattr)
+ return -EMSGSIZE;
+
+ list_for_each_entry(item, &fmsg->item_list, list) {
+ if (i < *start) {
+ i++;
+ continue;
+ }
+
+ switch (item->attrtype) {
+ case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
+ case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
+ case DEVLINK_ATTR_FMSG_ARR_NEST_START:
+ case DEVLINK_ATTR_FMSG_NEST_END:
+ err = nla_put_flag(skb, item->attrtype);
+ break;
+ case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
+ err = devlink_fmsg_item_fill_type(item, skb);
+ if (err)
+ break;
+ err = devlink_fmsg_item_fill_data(item, skb);
+ break;
+ case DEVLINK_ATTR_FMSG_OBJ_NAME:
+ err = nla_put_string(skb, item->attrtype,
+ (char *) &item->value);
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+ if (!err)
+ *start = ++i;
+ else
+ break;
+ }
+
+ nla_nest_end(skb, fmsg_nlattr);
+ return err;
+}
+
+static int devlink_fmsg_snd(struct devlink_fmsg *fmsg,
+ struct genl_info *info,
+ enum devlink_command cmd, int flags)
+{
+ struct nlmsghdr *nlh;
+ struct sk_buff *skb;
+ bool last = false;
+ int index = 0;
+ void *hdr;
+ int err;
+
+ while (!last) {
+ int tmp_index = index;
+
+ skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq,
+ &devlink_nl_family, flags | NLM_F_MULTI, cmd);
+ if (!hdr) {
+ err = -EMSGSIZE;
+ goto nla_put_failure;
+ }
+
+ err = devlink_fmsg_prepare_skb(fmsg, skb, &index);
+ if (!err)
+ last = true;
+ else if (err != -EMSGSIZE || tmp_index == index)
+ goto nla_put_failure;
+
+ genlmsg_end(skb, hdr);
+ err = genlmsg_reply(skb, info);
+ if (err)
+ return err;
+ }
+
+ skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+ nlh = nlmsg_put(skb, info->snd_portid, info->snd_seq,
+ NLMSG_DONE, 0, flags | NLM_F_MULTI);
+ if (!nlh) {
+ err = -EMSGSIZE;
+ goto nla_put_failure;
+ }
+ err = genlmsg_reply(skb, info);
+ if (err)
+ return err;
+
+ return 0;
+
+nla_put_failure:
+ nlmsg_free(skb);
+ return err;
+}
+
+struct devlink_health_reporter {
+ struct list_head list;
+ void *priv;
+ const struct devlink_health_reporter_ops *ops;
+ struct devlink *devlink;
+ struct devlink_fmsg *dump_fmsg;
+ struct mutex dump_lock; /* lock parallel read/write from dump buffers */
+ u64 graceful_period;
+ bool auto_recover;
+ u8 health_state;
+ u64 dump_ts;
+ u64 error_count;
+ u64 recovery_count;
+ u64 last_recovery_ts;
+};
+
+enum devlink_health_reporter_state {
+ DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
+ DEVLINK_HEALTH_REPORTER_STATE_ERROR,
+};
+
+void *
+devlink_health_reporter_priv(struct devlink_health_reporter *reporter)
+{
+ return reporter->priv;
+}
+EXPORT_SYMBOL_GPL(devlink_health_reporter_priv);
+
+static struct devlink_health_reporter *
+devlink_health_reporter_find_by_name(struct devlink *devlink,
+ const char *reporter_name)
+{
+ struct devlink_health_reporter *reporter;
+
+ list_for_each_entry(reporter, &devlink->reporter_list, list)
+ if (!strcmp(reporter->ops->name, reporter_name))
+ return reporter;
+ return NULL;
+}
+
+/**
+ * devlink_health_reporter_create - create devlink health reporter
+ *
+ * @devlink: devlink
+ * @ops: ops
+ * @graceful_period: to avoid recovery loops, in msecs
+ * @auto_recover: auto recover when error occurs
+ * @priv: priv
+ */
+struct devlink_health_reporter *
+devlink_health_reporter_create(struct devlink *devlink,
+ const struct devlink_health_reporter_ops *ops,
+ u64 graceful_period, bool auto_recover,
+ void *priv)
+{
+ struct devlink_health_reporter *reporter;
+
+ mutex_lock(&devlink->lock);
+ if (devlink_health_reporter_find_by_name(devlink, ops->name)) {
+ reporter = ERR_PTR(-EEXIST);
+ goto unlock;
+ }
+
+ if (WARN_ON(auto_recover && !ops->recover) ||
+ WARN_ON(graceful_period && !ops->recover)) {
+ reporter = ERR_PTR(-EINVAL);
+ goto unlock;
+ }
+
+ reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
+ if (!reporter) {
+ reporter = ERR_PTR(-ENOMEM);
+ goto unlock;
+ }
+
+ reporter->priv = priv;
+ reporter->ops = ops;
+ reporter->devlink = devlink;
+ reporter->graceful_period = graceful_period;
+ reporter->auto_recover = auto_recover;
+ mutex_init(&reporter->dump_lock);
+ list_add_tail(&reporter->list, &devlink->reporter_list);
+unlock:
+ mutex_unlock(&devlink->lock);
+ return reporter;
+}
+EXPORT_SYMBOL_GPL(devlink_health_reporter_create);
+
+/**
+ * devlink_health_reporter_destroy - destroy devlink health reporter
+ *
+ * @reporter: devlink health reporter to destroy
+ */
+void
+devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
+{
+ mutex_lock(&reporter->devlink->lock);
+ list_del(&reporter->list);
+ mutex_unlock(&reporter->devlink->lock);
+ if (reporter->dump_fmsg)
+ devlink_fmsg_free(reporter->dump_fmsg);
+ kfree(reporter);
+}
+EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy);
+
+static int
+devlink_health_reporter_recover(struct devlink_health_reporter *reporter,
+ void *priv_ctx)
+{
+ int err;
+
+ if (!reporter->ops->recover)
+ return -EOPNOTSUPP;
+
+ err = reporter->ops->recover(reporter, priv_ctx);
+ if (err)
+ return err;
+
+ reporter->recovery_count++;
+ reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_HEALTHY;
+ reporter->last_recovery_ts = jiffies;
+
+ return 0;
+}
+
+static void
+devlink_health_dump_clear(struct devlink_health_reporter *reporter)
+{
+ if (!reporter->dump_fmsg)
+ return;
+ devlink_fmsg_free(reporter->dump_fmsg);
+ reporter->dump_fmsg = NULL;
+}
+
+static int devlink_health_do_dump(struct devlink_health_reporter *reporter,
+ void *priv_ctx)
+{
+ int err;
+
+ if (!reporter->ops->dump)
+ return 0;
+
+ if (reporter->dump_fmsg)
+ return 0;
+
+ reporter->dump_fmsg = devlink_fmsg_alloc();
+ if (!reporter->dump_fmsg) {
+ err = -ENOMEM;
+ return err;
+ }
+
+ err = devlink_fmsg_obj_nest_start(reporter->dump_fmsg);
+ if (err)
+ goto dump_err;
+
+ err = reporter->ops->dump(reporter, reporter->dump_fmsg,
+ priv_ctx);
+ if (err)
+ goto dump_err;
+
+ err = devlink_fmsg_obj_nest_end(reporter->dump_fmsg);
+ if (err)
+ goto dump_err;
+
+ reporter->dump_ts = jiffies;
+
+ return 0;
+
+dump_err:
+ devlink_health_dump_clear(reporter);
+ return err;
+}
+
+int devlink_health_report(struct devlink_health_reporter *reporter,
+ const char *msg, void *priv_ctx)
+{
+ struct devlink *devlink = reporter->devlink;
+
+ /* write a log message of the current error */
+ WARN_ON(!msg);
+ trace_devlink_health_report(devlink, reporter->ops->name, msg);
+ reporter->error_count++;
+
+ /* abort if the previous error wasn't recovered */
+ if (reporter->auto_recover &&
+ (reporter->health_state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY ||
+ jiffies - reporter->last_recovery_ts <
+ msecs_to_jiffies(reporter->graceful_period))) {
+ trace_devlink_health_recover_aborted(devlink,
+ reporter->ops->name,
+ reporter->health_state,
+ jiffies -
+ reporter->last_recovery_ts);
+ return -ECANCELED;
+ }
+
+ reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_ERROR;
+
+ mutex_lock(&reporter->dump_lock);
+ /* store current dump of current error, for later analysis */
+ devlink_health_do_dump(reporter, priv_ctx);
+ mutex_unlock(&reporter->dump_lock);
+
+ if (reporter->auto_recover)
+ return devlink_health_reporter_recover(reporter, priv_ctx);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devlink_health_report);
+
+static struct devlink_health_reporter *
+devlink_health_reporter_get_from_info(struct devlink *devlink,
+ struct genl_info *info)
+{
+ char *reporter_name;
+
+ if (!info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME])
+ return NULL;
+
+ reporter_name =
+ nla_data(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_NAME]);
+ return devlink_health_reporter_find_by_name(devlink, reporter_name);
+}
+
+static int
+devlink_nl_health_reporter_fill(struct sk_buff *msg,
+ struct devlink *devlink,
+ struct devlink_health_reporter *reporter,
+ enum devlink_command cmd, u32 portid,
+ u32 seq, int flags)
+{
+ struct nlattr *reporter_attr;
+ void *hdr;
+
+ hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ if (devlink_nl_put_handle(msg, devlink))
+ goto genlmsg_cancel;
+
+ reporter_attr = nla_nest_start(msg, DEVLINK_ATTR_HEALTH_REPORTER);
+ if (!reporter_attr)
+ goto genlmsg_cancel;
+ if (nla_put_string(msg, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
+ reporter->ops->name))
+ goto reporter_nest_cancel;
+ if (nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_STATE,
+ reporter->health_state))
+ goto reporter_nest_cancel;
+ if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_ERR,
+ reporter->error_count, DEVLINK_ATTR_PAD))
+ goto reporter_nest_cancel;
+ if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_RECOVER,
+ reporter->recovery_count, DEVLINK_ATTR_PAD))
+ goto reporter_nest_cancel;
+ if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
+ reporter->graceful_period,
+ DEVLINK_ATTR_PAD))
+ goto reporter_nest_cancel;
+ if (nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
+ reporter->auto_recover))
+ goto reporter_nest_cancel;
+ if (reporter->dump_fmsg &&
+ nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS,
+ jiffies_to_msecs(reporter->dump_ts),
+ DEVLINK_ATTR_PAD))
+ goto reporter_nest_cancel;
+
+ nla_nest_end(msg, reporter_attr);
+ genlmsg_end(msg, hdr);
+ return 0;
+
+reporter_nest_cancel:
+ nla_nest_end(msg, reporter_attr);
+genlmsg_cancel:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int devlink_nl_cmd_health_reporter_get_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct devlink_health_reporter *reporter;
+ struct sk_buff *msg;
+ int err;
+
+ reporter = devlink_health_reporter_get_from_info(devlink, info);
+ if (!reporter)
+ return -EINVAL;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ err = devlink_nl_health_reporter_fill(msg, devlink, reporter,
+ DEVLINK_CMD_HEALTH_REPORTER_GET,
+ info->snd_portid, info->snd_seq,
+ 0);
+ if (err) {
+ nlmsg_free(msg);
+ return err;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+static int
+devlink_nl_cmd_health_reporter_get_dumpit(struct sk_buff *msg,
+ struct netlink_callback *cb)
+{
+ struct devlink_health_reporter *reporter;
+ struct devlink *devlink;
+ int start = cb->args[0];
+ int idx = 0;
+ int err;
+
+ mutex_lock(&devlink_mutex);
+ list_for_each_entry(devlink, &devlink_list, list) {
+ if (!net_eq(devlink_net(devlink), sock_net(msg->sk)))
+ continue;
+ mutex_lock(&devlink->lock);
+ list_for_each_entry(reporter, &devlink->reporter_list,
+ list) {
+ if (idx < start) {
+ idx++;
+ continue;
+ }
+ err = devlink_nl_health_reporter_fill(msg, devlink,
+ reporter,
+ DEVLINK_CMD_HEALTH_REPORTER_GET,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+ NLM_F_MULTI);
+ if (err) {
+ mutex_unlock(&devlink->lock);
+ goto out;
+ }
+ idx++;
+ }
+ mutex_unlock(&devlink->lock);
+ }
+out:
+ mutex_unlock(&devlink_mutex);
+
+ cb->args[0] = idx;
+ return msg->len;
+}
+
+static int
+devlink_nl_cmd_health_reporter_set_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct devlink_health_reporter *reporter;
+
+ reporter = devlink_health_reporter_get_from_info(devlink, info);
+ if (!reporter)
+ return -EINVAL;
+
+ if (!reporter->ops->recover &&
+ (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] ||
+ info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]))
+ return -EOPNOTSUPP;
+
+ if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
+ reporter->graceful_period =
+ nla_get_u64(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]);
+
+ if (info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
+ reporter->auto_recover =
+ nla_get_u8(info->attrs[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]);
+
+ return 0;
+}
+
+static int devlink_nl_cmd_health_reporter_recover_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct devlink_health_reporter *reporter;
+
+ reporter = devlink_health_reporter_get_from_info(devlink, info);
+ if (!reporter)
+ return -EINVAL;
+
+ return devlink_health_reporter_recover(reporter, NULL);
+}
+
+static int devlink_nl_cmd_health_reporter_diagnose_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct devlink_health_reporter *reporter;
+ struct devlink_fmsg *fmsg;
+ int err;
+
+ reporter = devlink_health_reporter_get_from_info(devlink, info);
+ if (!reporter)
+ return -EINVAL;
+
+ if (!reporter->ops->diagnose)
+ return -EOPNOTSUPP;
+
+ fmsg = devlink_fmsg_alloc();
+ if (!fmsg)
+ return -ENOMEM;
+
+ err = devlink_fmsg_obj_nest_start(fmsg);
+ if (err)
+ goto out;
+
+ err = reporter->ops->diagnose(reporter, fmsg);
+ if (err)
+ goto out;
+
+ err = devlink_fmsg_obj_nest_end(fmsg);
+ if (err)
+ goto out;
+
+ err = devlink_fmsg_snd(fmsg, info,
+ DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, 0);
+
+out:
+ devlink_fmsg_free(fmsg);
+ return err;
+}
+
+static int devlink_nl_cmd_health_reporter_dump_get_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct devlink_health_reporter *reporter;
+ int err;
+
+ reporter = devlink_health_reporter_get_from_info(devlink, info);
+ if (!reporter)
+ return -EINVAL;
+
+ if (!reporter->ops->dump)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&reporter->dump_lock);
+ err = devlink_health_do_dump(reporter, NULL);
+ if (err)
+ goto out;
+
+ err = devlink_fmsg_snd(reporter->dump_fmsg, info,
+ DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, 0);
+
+out:
+ mutex_unlock(&reporter->dump_lock);
+ return err;
+}
+
+static int
+devlink_nl_cmd_health_reporter_dump_clear_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct devlink_health_reporter *reporter;
+
+ reporter = devlink_health_reporter_get_from_info(devlink, info);
+ if (!reporter)
+ return -EINVAL;
+
+ if (!reporter->ops->dump)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&reporter->dump_lock);
+ devlink_health_dump_clear(reporter);
+ mutex_unlock(&reporter->dump_lock);
+ return 0;
+}
+
+static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
+ [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] = { .type = NLA_U16 },
+ [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] = { .type = NLA_U16 },
+ [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_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 },
+};
+
+static const struct genl_ops devlink_nl_ops[] = {
+ {
+ .cmd = DEVLINK_CMD_GET,
+ .doit = devlink_nl_cmd_get_doit,
+ .dumpit = devlink_nl_cmd_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_GET,
+ .doit = devlink_nl_cmd_port_get_doit,
+ .dumpit = devlink_nl_cmd_port_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_SET,
+ .doit = devlink_nl_cmd_port_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_SPLIT,
+ .doit = devlink_nl_cmd_port_split_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NO_LOCK,
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_UNSPLIT,
+ .doit = devlink_nl_cmd_port_unsplit_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NO_LOCK,
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_GET,
+ .doit = devlink_nl_cmd_sb_get_doit,
+ .dumpit = devlink_nl_cmd_sb_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NEED_SB,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_POOL_GET,
+ .doit = devlink_nl_cmd_sb_pool_get_doit,
+ .dumpit = devlink_nl_cmd_sb_pool_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NEED_SB,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_POOL_SET,
+ .doit = devlink_nl_cmd_sb_pool_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NEED_SB,
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_PORT_POOL_GET,
+ .doit = devlink_nl_cmd_sb_port_pool_get_doit,
+ .dumpit = devlink_nl_cmd_sb_port_pool_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
+ DEVLINK_NL_FLAG_NEED_SB,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_PORT_POOL_SET,
+ .doit = devlink_nl_cmd_sb_port_pool_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
+ DEVLINK_NL_FLAG_NEED_SB,
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_GET,
+ .doit = devlink_nl_cmd_sb_tc_pool_bind_get_doit,
+ .dumpit = devlink_nl_cmd_sb_tc_pool_bind_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
+ DEVLINK_NL_FLAG_NEED_SB,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_TC_POOL_BIND_SET,
+ .doit = devlink_nl_cmd_sb_tc_pool_bind_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT |
+ DEVLINK_NL_FLAG_NEED_SB,
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_OCC_SNAPSHOT,
+ .doit = devlink_nl_cmd_sb_occ_snapshot_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NEED_SB,
+ },
+ {
+ .cmd = DEVLINK_CMD_SB_OCC_MAX_CLEAR,
+ .doit = devlink_nl_cmd_sb_occ_max_clear_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NEED_SB,
+ },
+ {
+ .cmd = DEVLINK_CMD_ESWITCH_GET,
+ .doit = devlink_nl_cmd_eswitch_get_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_ESWITCH_SET,
+ .doit = devlink_nl_cmd_eswitch_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NO_LOCK,
+ },
+ {
+ .cmd = DEVLINK_CMD_DPIPE_TABLE_GET,
+ .doit = devlink_nl_cmd_dpipe_table_get,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_DPIPE_ENTRIES_GET,
+ .doit = devlink_nl_cmd_dpipe_entries_get,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_DPIPE_HEADERS_GET,
+ .doit = devlink_nl_cmd_dpipe_headers_get,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
+ .doit = devlink_nl_cmd_dpipe_table_counters_set,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_RESOURCE_SET,
+ .doit = devlink_nl_cmd_resource_set,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_RESOURCE_DUMP,
+ .doit = devlink_nl_cmd_resource_dump,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_RELOAD,
+ .doit = devlink_nl_cmd_reload,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NO_LOCK,
+ },
+ {
+ .cmd = DEVLINK_CMD_PARAM_GET,
+ .doit = devlink_nl_cmd_param_get_doit,
+ .dumpit = devlink_nl_cmd_param_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_PARAM_SET,
+ .doit = devlink_nl_cmd_param_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_PARAM_GET,
+ .doit = devlink_nl_cmd_port_param_get_doit,
+ .dumpit = devlink_nl_cmd_port_param_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_PARAM_SET,
+ .doit = devlink_nl_cmd_port_param_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
+ },
+ {
+ .cmd = DEVLINK_CMD_REGION_GET,
+ .doit = devlink_nl_cmd_region_get_doit,
+ .dumpit = devlink_nl_cmd_region_get_dumpit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_REGION_DEL,
+ .doit = devlink_nl_cmd_region_del,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
.cmd = DEVLINK_CMD_REGION_READ,
.dumpit = devlink_nl_cmd_region_read_dumpit,
.policy = devlink_nl_policy,
.internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
/* can be retrieved by unprivileged users */
},
+ {
+ .cmd = DEVLINK_CMD_HEALTH_REPORTER_GET,
+ .doit = devlink_nl_cmd_health_reporter_get_doit,
+ .dumpit = devlink_nl_cmd_health_reporter_get_dumpit,
+ .policy = devlink_nl_policy,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ /* can be retrieved by unprivileged users */
+ },
+ {
+ .cmd = DEVLINK_CMD_HEALTH_REPORTER_SET,
+ .doit = devlink_nl_cmd_health_reporter_set_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
+ .doit = devlink_nl_cmd_health_reporter_recover_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
+ .doit = devlink_nl_cmd_health_reporter_diagnose_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK,
+ },
+ {
+ .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
+ .doit = devlink_nl_cmd_health_reporter_dump_get_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NO_LOCK,
+ },
+ {
+ .cmd = DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
+ .doit = devlink_nl_cmd_health_reporter_dump_clear_doit,
+ .policy = devlink_nl_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_DEVLINK |
+ DEVLINK_NL_FLAG_NO_LOCK,
+ },
};
static struct genl_family devlink_nl_family __ro_after_init = {
INIT_LIST_HEAD(&devlink->resource_list);
INIT_LIST_HEAD(&devlink->param_list);
INIT_LIST_HEAD(&devlink->region_list);
+ INIT_LIST_HEAD(&devlink->reporter_list);
mutex_init(&devlink->lock);
return devlink;
}
*/
void devlink_free(struct devlink *devlink)
{
+ WARN_ON(!list_empty(&devlink->reporter_list));
+ WARN_ON(!list_empty(&devlink->region_list));
+ WARN_ON(!list_empty(&devlink->param_list));
+ WARN_ON(!list_empty(&devlink->resource_list));
+ WARN_ON(!list_empty(&devlink->dpipe_table_list));
+ WARN_ON(!list_empty(&devlink->sb_list));
+ WARN_ON(!list_empty(&devlink->port_list));
+
kfree(devlink);
}
EXPORT_SYMBOL_GPL(devlink_free);
}
EXPORT_SYMBOL_GPL(devlink_params_unregister);
+/**
+ * devlink_params_publish - publish configuration parameters
+ *
+ * @devlink: devlink
+ *
+ * Publish previously registered configuration parameters.
+ */
+void devlink_params_publish(struct devlink *devlink)
+{
+ struct devlink_param_item *param_item;
+
+ list_for_each_entry(param_item, &devlink->param_list, list) {
+ if (param_item->published)
+ continue;
+ param_item->published = true;
+ devlink_param_notify(devlink, 0, param_item,
+ DEVLINK_CMD_PARAM_NEW);
+ }
+}
+EXPORT_SYMBOL_GPL(devlink_params_publish);
+
+/**
+ * devlink_params_unpublish - unpublish configuration parameters
+ *
+ * @devlink: devlink
+ *
+ * Unpublish previously registered configuration parameters.
+ */
+void devlink_params_unpublish(struct devlink *devlink)
+{
+ struct devlink_param_item *param_item;
+
+ list_for_each_entry(param_item, &devlink->param_list, list) {
+ if (!param_item->published)
+ continue;
+ param_item->published = false;
+ devlink_param_notify(devlink, 0, param_item,
+ DEVLINK_CMD_PARAM_DEL);
+ }
+}
+EXPORT_SYMBOL_GPL(devlink_params_unpublish);
+
/**
* devlink_port_params_register - register port configuration parameters
*
list_for_each_entry(devlink, &devlink_list, list) {
mutex_lock(&devlink->lock);
list_for_each_entry(devlink_port, &devlink->port_list, list) {
- if (devlink_port->type == DEVLINK_PORT_TYPE_ETH ||
+ if (devlink_port->type == DEVLINK_PORT_TYPE_ETH &&
devlink_port->type_dev == dev) {
__devlink_compat_running_version(devlink,
buf, len);
git.samba.org / sfrench / cifs-2.6.git / blobdiff