{
int err;
- if (devlink->ops && devlink->ops->port_type_set) {
+ if (devlink->ops->port_type_set) {
if (port_type == DEVLINK_PORT_TYPE_NOTSET)
return -EINVAL;
if (port_type == devlink_port->type)
u32 count, struct netlink_ext_ack *extack)
{
- if (devlink->ops && devlink->ops->port_split)
+ if (devlink->ops->port_split)
return devlink->ops->port_split(devlink, port_index, count,
extack);
return -EOPNOTSUPP;
struct netlink_ext_ack *extack)
{
- if (devlink->ops && devlink->ops->port_unsplit)
+ if (devlink->ops->port_unsplit)
return devlink->ops->port_unsplit(devlink, port_index, extack);
return -EOPNOTSUPP;
}
if (err)
return err;
- if (!devlink->ops || !devlink->ops->sb_pool_get)
+ if (!devlink->ops->sb_pool_get)
return -EOPNOTSUPP;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
mutex_lock(&devlink_mutex);
list_for_each_entry(devlink, &devlink_list, list) {
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) ||
- !devlink->ops || !devlink->ops->sb_pool_get)
+ !devlink->ops->sb_pool_get)
continue;
mutex_lock(&devlink->lock);
list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
{
const struct devlink_ops *ops = devlink->ops;
- if (ops && ops->sb_pool_set)
+ if (ops->sb_pool_set)
return ops->sb_pool_set(devlink, sb_index, pool_index,
size, threshold_type);
return -EOPNOTSUPP;
if (err)
return err;
- if (!devlink->ops || !devlink->ops->sb_port_pool_get)
+ if (!devlink->ops->sb_port_pool_get)
return -EOPNOTSUPP;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
mutex_lock(&devlink_mutex);
list_for_each_entry(devlink, &devlink_list, list) {
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) ||
- !devlink->ops || !devlink->ops->sb_port_pool_get)
+ !devlink->ops->sb_port_pool_get)
continue;
mutex_lock(&devlink->lock);
list_for_each_entry(devlink_sb, &devlink->sb_list, list) {
{
const struct devlink_ops *ops = devlink_port->devlink->ops;
- if (ops && ops->sb_port_pool_set)
+ if (ops->sb_port_pool_set)
return ops->sb_port_pool_set(devlink_port, sb_index,
pool_index, threshold);
return -EOPNOTSUPP;
if (err)
return err;
- if (!devlink->ops || !devlink->ops->sb_tc_pool_bind_get)
+ if (!devlink->ops->sb_tc_pool_bind_get)
return -EOPNOTSUPP;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
mutex_lock(&devlink_mutex);
list_for_each_entry(devlink, &devlink_list, list) {
if (!net_eq(devlink_net(devlink), sock_net(msg->sk)) ||
- !devlink->ops || !devlink->ops->sb_tc_pool_bind_get)
+ !devlink->ops->sb_tc_pool_bind_get)
continue;
mutex_lock(&devlink->lock);
{
const struct devlink_ops *ops = devlink_port->devlink->ops;
- if (ops && ops->sb_tc_pool_bind_set)
+ if (ops->sb_tc_pool_bind_set)
return ops->sb_tc_pool_bind_set(devlink_port, sb_index,
tc_index, pool_type,
pool_index, threshold);
struct devlink_sb *devlink_sb = info->user_ptr[1];
const struct devlink_ops *ops = devlink->ops;
- if (ops && ops->sb_occ_snapshot)
+ if (ops->sb_occ_snapshot)
return ops->sb_occ_snapshot(devlink, devlink_sb->index);
return -EOPNOTSUPP;
}
struct devlink_sb *devlink_sb = info->user_ptr[1];
const struct devlink_ops *ops = devlink->ops;
- if (ops && ops->sb_occ_max_clear)
+ if (ops->sb_occ_max_clear)
return ops->sb_occ_max_clear(devlink, devlink_sb->index);
return -EOPNOTSUPP;
}
struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
- const struct devlink_ops *ops = devlink->ops;
struct sk_buff *msg;
int err;
- if (!ops)
- return -EOPNOTSUPP;
-
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
int err = 0;
u16 mode;
- if (!ops)
- return -EOPNOTSUPP;
-
if (info->attrs[DEVLINK_ATTR_ESWITCH_MODE]) {
if (!ops->eswitch_mode_set)
return -EOPNOTSUPP;
struct sk_buff *msg;
int err;
- if (!devlink->ops || !devlink->ops->info_get)
+ if (!devlink->ops->info_get)
return -EOPNOTSUPP;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
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)
{
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy);
+void
+devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
+ enum devlink_health_reporter_state state)
+{
+ if (WARN_ON(state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY &&
+ state != DEVLINK_HEALTH_REPORTER_STATE_ERROR))
+ return;
+
+ if (reporter->health_state == state)
+ return;
+
+ reporter->health_state = state;
+ trace_devlink_health_reporter_state_update(reporter->devlink,
+ reporter->ops->name, state);
+}
+EXPORT_SYMBOL_GPL(devlink_health_reporter_state_update);
+
static int
devlink_health_reporter_recover(struct devlink_health_reporter *reporter,
void *priv_ctx)
int devlink_health_report(struct devlink_health_reporter *reporter,
const char *msg, void *priv_ctx)
{
+ enum devlink_health_reporter_state prev_health_state;
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++;
+ prev_health_state = reporter->health_state;
+ reporter->health_state = DEVLINK_HEALTH_REPORTER_STATE_ERROR;
/* abort if the previous error wasn't recovered */
if (reporter->auto_recover &&
- (reporter->health_state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY ||
+ (prev_health_state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY ||
jiffies - reporter->last_recovery_ts <
msecs_to_jiffies(reporter->graceful_period))) {
trace_devlink_health_recover_aborted(devlink,
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,
+ if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT,
reporter->error_count, DEVLINK_ATTR_PAD))
goto reporter_nest_cancel;
- if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_RECOVER,
+ if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT,
reporter->recovery_count, DEVLINK_ATTR_PAD))
goto reporter_nest_cancel;
- if (nla_put_u64_64bit(msg, DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
+ if (reporter->ops->recover &&
+ 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,
+ if (reporter->ops->recover &&
+ nla_put_u8(msg, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
reporter->auto_recover))
goto reporter_nest_cancel;
if (reporter->dump_fmsg &&
{
struct devlink *devlink;
+ if (WARN_ON(!ops))
+ return NULL;
+
devlink = kzalloc(sizeof(*devlink) + priv_size, GFP_KERNEL);
if (!devlink)
return NULL;
* devlink_register - Register devlink instance
*
* @devlink: devlink
+ * @dev: parent device
*/
int devlink_register(struct devlink *devlink, struct device *dev)
{
*
* @devlink: devlink
* @devlink_port: devlink port
- * @port_index
+ * @port_index: driver-specific numerical identifier of the port
*
* Register devlink port with provided port index. User can use
* any indexing, even hw-related one. devlink_port structure
*
* @devlink: devlink
* @resource_name: resource's name
- * @top_hierarchy: top hierarchy
- * @reload_required: reload is required for new configuration to
- * apply
* @resource_size: resource's size
* @resource_id: resource's id
- * @parent_reosurce_id: resource's parent id
- * @size params: size parameters
+ * @parent_resource_id: resource's parent id
+ * @size_params: size parameters
*/
int devlink_resource_register(struct devlink *devlink,
const char *resource_name,
int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
union devlink_param_value *init_val)
{
- if (!devlink->ops || !devlink->ops->reload)
+ if (!devlink->ops->reload)
return -EOPNOTSUPP;
return __devlink_param_driverinit_value_get(&devlink->param_list,
{
struct devlink *devlink = devlink_port->devlink;
- if (!devlink->ops || !devlink->ops->reload)
+ if (!devlink->ops->reload)
return -EOPNOTSUPP;
return __devlink_param_driverinit_value_get(&devlink_port->param_list,
* Multiple snapshots can be created on a region.
* The @snapshot_id should be obtained using the getter function.
*
- * @devlink_region: devlink region of the snapshot
+ * @region: devlink region of the snapshot
* @data_len: size of snapshot data
* @data: snapshot data
* @snapshot_id: snapshot id to be created
struct sk_buff *msg;
int rem, err;
- if (!devlink->ops->info_get)
- return;
-
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
void devlink_compat_running_version(struct net_device *dev,
char *buf, size_t len)
{
- struct devlink_port *devlink_port;
struct devlink *devlink;
+ dev_hold(dev);
+ rtnl_unlock();
+
mutex_lock(&devlink_mutex);
- 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 &&
- devlink_port->type_dev == dev) {
- __devlink_compat_running_version(devlink,
- buf, len);
- mutex_unlock(&devlink->lock);
- goto out;
- }
- }
- mutex_unlock(&devlink->lock);
- }
-out:
+ devlink = netdev_to_devlink(dev);
+ if (!devlink || !devlink->ops->info_get)
+ goto unlock_list;
+
+ mutex_lock(&devlink->lock);
+ __devlink_compat_running_version(devlink, buf, len);
+ mutex_unlock(&devlink->lock);
+unlock_list:
mutex_unlock(&devlink_mutex);
+
+ rtnl_lock();
+ dev_put(dev);
}
int devlink_compat_flash_update(struct net_device *dev, const char *file_name)
{
- struct devlink_port *devlink_port;
struct devlink *devlink;
+ int ret = -EOPNOTSUPP;
- mutex_lock(&devlink_mutex);
- list_for_each_entry(devlink, &devlink_list, list) {
- mutex_lock(&devlink->lock);
- list_for_each_entry(devlink_port, &devlink->port_list, list) {
- int ret = -EOPNOTSUPP;
+ dev_hold(dev);
+ rtnl_unlock();
- if (devlink_port->type != DEVLINK_PORT_TYPE_ETH ||
- devlink_port->type_dev != dev)
- continue;
+ mutex_lock(&devlink_mutex);
+ devlink = netdev_to_devlink(dev);
+ if (!devlink || !devlink->ops->flash_update)
+ goto unlock_list;
- mutex_unlock(&devlink_mutex);
- if (devlink->ops->flash_update)
- ret = devlink->ops->flash_update(devlink,
- file_name,
- NULL, NULL);
- mutex_unlock(&devlink->lock);
- return ret;
- }
- mutex_unlock(&devlink->lock);
- }
+ mutex_lock(&devlink->lock);
+ ret = devlink->ops->flash_update(devlink, file_name, NULL, NULL);
+ mutex_unlock(&devlink->lock);
+unlock_list:
mutex_unlock(&devlink_mutex);
- return -EOPNOTSUPP;
-}
+ rtnl_lock();
+ dev_put(dev);
-static int __init devlink_module_init(void)
-{
- return genl_register_family(&devlink_nl_family);
+ return ret;
}
-static void __exit devlink_module_exit(void)
+static int __init devlink_init(void)
{
- genl_unregister_family(&devlink_nl_family);
+ return genl_register_family(&devlink_nl_family);
}
-module_init(devlink_module_init);
-module_exit(devlink_module_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
-MODULE_DESCRIPTION("Network physical device Netlink interface");
-MODULE_ALIAS_GENL_FAMILY(DEVLINK_GENL_NAME);
+subsys_initcall(devlink_init);
projects / linux-2.6-microblaze.git / blobdiff