ethtool_check_rss_ctx_busy identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

net/ethtool/common.h, line 49 (as a prototype)

Defined in 1 files as a function:

net/ethtool/common.c, line 830 (as a function)

Referenced in 2 files:

Smatch caller information:

net/ethtool/ioctl.c ethtool_set_rxfh() -> ethtool_check_rss_ctx_busy()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->dev.parent	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->bus	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->class	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->power.request	0-4
PARAM_VALUE	0	dev->dev.parent->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	dev->dev.parent->power.wakeirq	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	dev->dev.parent->type	0,4096-ptr_max
PARAM_VALUE	0	dev->ethtool->rss_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->ethtool->rss_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->ethtool->rss_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->ethtool->rss_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->ethtool->rss_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->ethtool->rss_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->ethtool->rss_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	dev->ethtool_ops	4096-ptr_max
PARAM_VALUE	0	dev->ethtool_ops->begin	0,1835931156019712000,3096438129622650880,3900617307435175936,5716752743725981696,7946597811871383552,8525681326485266432
PARAM_VALUE	0	dev->ethtool_ops->create_rxfh_context	1-u64max
PARAM_VALUE	0	dev->ethtool_ops->get_rx_ring_count	1-u64max
PARAM_VALUE	0	dev->ethtool_ops->set_rxfh	1-u64max
PARAM_VALUE	0	dev->lock.dep_map->name	0-255
PARAM_VALUE	0	dev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->moving_ns	0
PARAM_VALUE	0	dev->netdev_ops	4096-ptr_max
PARAM_VALUE	0	dev->refcnt_tracker.list.next->next	4096-ptr_max
PARAM_VALUE	0	dev->refcnt_tracker.list.next->prev	4096-ptr_max
PARAM_VALUE	0	dev->reg_state	0-1
PARAM_VALUE	1	rss_context	1-u32max
CAPPED_DATA	0	dev->nd_net.net	1
CAPPED_DATA	0	&dev->ethtool->rss_lock	1
DATA_SOURCE	0	dev	$0
FUZZY_MAX	0	dev->reg_state	1
HARD_MAX	0	dev->reg_state	1
USER_DATA	1	rss_context	1-4294967294
LOCK2	0	&dev->ethtool->rss_lock
HALF_LOCKED2		global &rtnl_mutex
TYPE_LOCK		(struct ethtool_netdev_state)->rss_lock

net/ethtool/rss.c ethnl_rss_delete_doit() -> ethtool_check_rss_ctx_busy()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->dev.parent	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->bus	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->type	0,4096-ptr_max
PARAM_VALUE	0	dev->ethtool->rss_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->ethtool->rss_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->ethtool->rss_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->ethtool->rss_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->ethtool->rss_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->ethtool->rss_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->ethtool->rss_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	dev->ethtool_ops	4096-ptr_max
PARAM_VALUE	0	dev->ethtool_ops->create_rxfh_context	1-u64max
PARAM_VALUE	0	dev->lock.dep_map->name	0-255
PARAM_VALUE	0	dev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->netdev_ops	4096-ptr_max
PARAM_VALUE	0	dev->priv->clk->core->dev->power.deferred_resume	0-1
PARAM_VALUE	0	dev->priv->clk->core->dev->power.idle_notification	0-1
PARAM_VALUE	0	dev->priv->clk->core->dev->power.request	0-4
PARAM_VALUE	0	dev->priv->clk->core->dev->power.request_pending	0-1
PARAM_VALUE	0	dev->priv->clk->core->dev->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	dev->priv->clk->core->dev->power.runtime_status	s32min-s32max
PARAM_VALUE	0	dev->priv->clk->core->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	dev->priv->clk->core->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	dev->priv->clk->core->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.deferred_resume	0-1
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.idle_notification	0-1
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.request	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.request_pending	0-1
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.runtime_error	s32min-s32max
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.runtime_status	s32min-s32max
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	dev->priv->clk->core->parent->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->parent->enable_count	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->parent->prepare_count	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->parent->protect_count	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->prepare_count	0-4294967295
PARAM_VALUE	0	dev->priv->clk->core->protect_count	0-4294967295
PARAM_VALUE	0	dev->priv->cpsw->dev->power.deferred_resume	0-1
PARAM_VALUE	0	dev->priv->cpsw->dev->power.idle_notification	0-1
PARAM_VALUE	0	dev->priv->cpsw->dev->power.request	0-4
PARAM_VALUE	0	dev->priv->cpsw->dev->power.request_pending	0-1
PARAM_VALUE	0	dev->priv->cpsw->dev->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	dev->priv->cpsw->dev->power.runtime_status	s32min-s32max
PARAM_VALUE	0	dev->priv->cpsw->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	dev->priv->cpsw->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	dev->priv->cpsw->dev->power.wakeirq->status	0-4294967295
CAPPED_DATA	0	&dev->ethtool->rss_lock	1
DATA_SOURCE	1	rss_context	r nla_get_u32
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&dev->ethtool->rss_lock
HALF_LOCKED2		&dev->lock
HALF_LOCKED2		&devlink->lock
HALF_LOCKED2		&net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &audit_cmd_mutex.lock
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &crypto_cfg_mutex
HALF_LOCKED2		global &dpll_lock
HALF_LOCKED2		global &hwsim_phys_lock
HALF_LOCKED2		global &net_dm_mutex
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &rx_queue_mutex
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct ethtool_netdev_state)->rss_lock