{
struct devlink_port_attrs *attrs = &devlink_port->attrs;
- if (!attrs->set)
+ if (!devlink_port->attrs_set)
return 0;
+ if (attrs->lanes) {
+ if (nla_put_u32(msg, DEVLINK_ATTR_PORT_LANES, attrs->lanes))
+ return -EMSGSIZE;
+ }
+ if (nla_put_u8(msg, DEVLINK_ATTR_PORT_SPLITTABLE, attrs->splittable))
+ return -EMSGSIZE;
if (nla_put_u16(msg, DEVLINK_ATTR_PORT_FLAVOUR, attrs->flavour))
return -EMSGSIZE;
switch (devlink_port->attrs.flavour) {
ops = devlink->ops;
if (ops->port_function_hw_addr_get) {
- int uninitialized_var(hw_addr_len);
+ int hw_addr_len;
u8 hw_addr[MAX_ADDR_LEN];
err = ops->port_function_hw_addr_get(devlink, port, hw_addr, &hw_addr_len, extack);
struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
+ struct devlink_port *devlink_port;
u32 port_index;
u32 count;
!info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT])
return -EINVAL;
+ devlink_port = devlink_port_get_from_info(devlink, info);
port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
count = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]);
+
+ if (IS_ERR(devlink_port))
+ return -EINVAL;
+
+ if (!devlink_port->attrs.splittable) {
+ /* Split ports cannot be split. */
+ if (devlink_port->attrs.split)
+ NL_SET_ERR_MSG_MOD(info->extack, "Port cannot be split further");
+ else
+ NL_SET_ERR_MSG_MOD(info->extack, "Port cannot be split");
+ return -EINVAL;
+ }
+
+ if (count < 2 || !is_power_of_2(count) || count > devlink_port->attrs.lanes) {
+ NL_SET_ERR_MSG_MOD(info->extack, "Invalid split count");
+ return -EINVAL;
+ }
+
return devlink_port_split(devlink, port_index, count, info->extack);
}
return NULL;
}
+static struct devlink_health_reporter *
+__devlink_health_reporter_create(struct devlink *devlink,
+ const struct devlink_health_reporter_ops *ops,
+ u64 graceful_period, void *priv)
+{
+ struct devlink_health_reporter *reporter;
+
+ if (WARN_ON(graceful_period && !ops->recover))
+ return ERR_PTR(-EINVAL);
+
+ reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
+ if (!reporter)
+ return ERR_PTR(-ENOMEM);
+
+ reporter->priv = priv;
+ reporter->ops = ops;
+ reporter->devlink = devlink;
+ reporter->graceful_period = graceful_period;
+ reporter->auto_recover = !!ops->recover;
+ reporter->auto_dump = !!ops->dump;
+ mutex_init(&reporter->dump_lock);
+ refcount_set(&reporter->refcount, 1);
+ return reporter;
+}
+
/**
* devlink_health_reporter_create - create devlink health reporter
*
goto unlock;
}
- if (WARN_ON(graceful_period && !ops->recover)) {
- reporter = ERR_PTR(-EINVAL);
- goto unlock;
- }
-
- reporter = kzalloc(sizeof(*reporter), GFP_KERNEL);
- if (!reporter) {
- reporter = ERR_PTR(-ENOMEM);
+ reporter = __devlink_health_reporter_create(devlink, ops,
+ graceful_period, priv);
+ if (IS_ERR(reporter))
goto unlock;
- }
- reporter->priv = priv;
- reporter->ops = ops;
- reporter->devlink = devlink;
- reporter->graceful_period = graceful_period;
- reporter->auto_recover = !!ops->recover;
- reporter->auto_dump = !!ops->dump;
- mutex_init(&reporter->dump_lock);
- refcount_set(&reporter->refcount, 1);
list_add_tail(&reporter->list, &devlink->reporter_list);
unlock:
mutex_unlock(&devlink->reporters_lock);
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_create);
+static void
+devlink_health_reporter_free(struct devlink_health_reporter *reporter)
+{
+ mutex_destroy(&reporter->dump_lock);
+ if (reporter->dump_fmsg)
+ devlink_fmsg_free(reporter->dump_fmsg);
+ kfree(reporter);
+}
+
+static void
+devlink_health_reporter_put(struct devlink_health_reporter *reporter)
+{
+ if (refcount_dec_and_test(&reporter->refcount))
+ devlink_health_reporter_free(reporter);
+}
+
+static void
+__devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
+{
+ list_del(&reporter->list);
+ devlink_health_reporter_put(reporter);
+}
+
/**
* devlink_health_reporter_destroy - destroy devlink health reporter
*
devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
{
mutex_lock(&reporter->devlink->reporters_lock);
- list_del(&reporter->list);
+ __devlink_health_reporter_destroy(reporter);
mutex_unlock(&reporter->devlink->reporters_lock);
- while (refcount_read(&reporter->refcount) > 1)
- msleep(100);
- mutex_destroy(&reporter->dump_lock);
- if (reporter->dump_fmsg)
- devlink_fmsg_free(reporter->dump_fmsg);
- kfree(reporter);
}
EXPORT_SYMBOL_GPL(devlink_health_reporter_destroy);
return NULL;
}
-static void
-devlink_health_reporter_put(struct devlink_health_reporter *reporter)
-{
- refcount_dec(&reporter->refcount);
-}
-
void
devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
enum devlink_health_reporter_state state)
EXPORT_SYMBOL_GPL(devlink_port_type_clear);
static int __devlink_port_attrs_set(struct devlink_port *devlink_port,
- enum devlink_port_flavour flavour,
- const unsigned char *switch_id,
- unsigned char switch_id_len)
+ enum devlink_port_flavour flavour)
{
struct devlink_port_attrs *attrs = &devlink_port->attrs;
if (WARN_ON(devlink_port->registered))
return -EEXIST;
- attrs->set = true;
+ devlink_port->attrs_set = true;
attrs->flavour = flavour;
- if (switch_id) {
- attrs->switch_port = true;
- if (WARN_ON(switch_id_len > MAX_PHYS_ITEM_ID_LEN))
- switch_id_len = MAX_PHYS_ITEM_ID_LEN;
- memcpy(attrs->switch_id.id, switch_id, switch_id_len);
- attrs->switch_id.id_len = switch_id_len;
+ if (attrs->switch_id.id_len) {
+ devlink_port->switch_port = true;
+ if (WARN_ON(attrs->switch_id.id_len > MAX_PHYS_ITEM_ID_LEN))
+ attrs->switch_id.id_len = MAX_PHYS_ITEM_ID_LEN;
} else {
- attrs->switch_port = false;
+ devlink_port->switch_port = false;
}
return 0;
}
* devlink_port_attrs_set - Set port attributes
*
* @devlink_port: devlink port
- * @flavour: flavour of the port
- * @port_number: number of the port that is facing user, for example
- * the front panel port number
- * @split: indicates if this is split port
- * @split_subport_number: if the port is split, this is the number
- * of subport.
- * @switch_id: if the port is part of switch, this is buffer with ID,
- * otwerwise this is NULL
- * @switch_id_len: length of the switch_id buffer
+ * @attrs: devlink port attrs
*/
void devlink_port_attrs_set(struct devlink_port *devlink_port,
- enum devlink_port_flavour flavour,
- u32 port_number, bool split,
- u32 split_subport_number,
- const unsigned char *switch_id,
- unsigned char switch_id_len)
+ struct devlink_port_attrs *attrs)
{
- struct devlink_port_attrs *attrs = &devlink_port->attrs;
int ret;
- ret = __devlink_port_attrs_set(devlink_port, flavour,
- switch_id, switch_id_len);
+ devlink_port->attrs = *attrs;
+ ret = __devlink_port_attrs_set(devlink_port, attrs->flavour);
if (ret)
return;
- attrs->split = split;
- attrs->phys.port_number = port_number;
- attrs->phys.split_subport_number = split_subport_number;
+ WARN_ON(attrs->splittable && attrs->split);
}
EXPORT_SYMBOL_GPL(devlink_port_attrs_set);
*
* @devlink_port: devlink port
* @pf: associated PF for the devlink port instance
- * @switch_id: if the port is part of switch, this is buffer with ID,
- * otherwise this is NULL
- * @switch_id_len: length of the switch_id buffer
*/
-void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port,
- const unsigned char *switch_id,
- unsigned char switch_id_len, u16 pf)
+void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u16 pf)
{
struct devlink_port_attrs *attrs = &devlink_port->attrs;
int ret;
ret = __devlink_port_attrs_set(devlink_port,
- DEVLINK_PORT_FLAVOUR_PCI_PF,
- switch_id, switch_id_len);
+ DEVLINK_PORT_FLAVOUR_PCI_PF);
if (ret)
return;
* @devlink_port: devlink port
* @pf: associated PF for the devlink port instance
* @vf: associated VF of a PF for the devlink port instance
- * @switch_id: if the port is part of switch, this is buffer with ID,
- * otherwise this is NULL
- * @switch_id_len: length of the switch_id buffer
*/
void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port,
- const unsigned char *switch_id,
- unsigned char switch_id_len,
u16 pf, u16 vf)
{
struct devlink_port_attrs *attrs = &devlink_port->attrs;
int ret;
ret = __devlink_port_attrs_set(devlink_port,
- DEVLINK_PORT_FLAVOUR_PCI_VF,
- switch_id, switch_id_len);
+ DEVLINK_PORT_FLAVOUR_PCI_VF);
if (ret)
return;
attrs->pci_vf.pf = pf;
struct devlink_port_attrs *attrs = &devlink_port->attrs;
int n = 0;
- if (!attrs->set)
+ if (!devlink_port->attrs_set)
return -EOPNOTSUPP;
switch (attrs->flavour) {
* any devlink lock as only permanent values are accessed.
*/
devlink_port = netdev_to_devlink_port(dev);
- if (!devlink_port || !devlink_port->attrs.switch_port)
+ if (!devlink_port || !devlink_port->switch_port)
return -EOPNOTSUPP;
memcpy(ppid, &devlink_port->attrs.switch_id, sizeof(*ppid));
projects / mirror_ubuntu-hirsute-kernel.git / blobdiff