__netdev_update_features 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:

include/linux/netdevice.h, line 5480 (as a prototype)

Defined in 1 files as a function:

net/core/dev.c, line 11037 (as a function)

Referenced in 3 files:

Smatch caller information:

net/ethtool/ioctl.c __ethtool_set_flags() -> __netdev_update_features()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
CAPPED_DATA	0	dev->wanted_features	1
DATA_SOURCE	0	dev	$0
NOCHECK_CALL

net/ethtool/ioctl.c ethtool_set_features() -> __netdev_update_features()

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_ops	4096-ptr_max
PARAM_VALUE	0	dev->ethtool_ops->begin	0,1835931156019712000,3096438129622650880,3900617307435175936,5716752743725981696,7946597811871383552,8525681326485266432
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
CAPPED_DATA	0	dev->nd_net.net	1
DATA_SOURCE	0	dev	$0
FUZZY_MAX	0	dev->reg_state	1
HARD_MAX	0	dev->reg_state	1
NOCHECK_CALL
HALF_LOCKED2		global &rtnl_mutex

net/ethtool/ioctl.c ethtool_set_one_feature() -> __netdev_update_features()

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_ops	4096-ptr_max
PARAM_VALUE	0	dev->ethtool_ops->begin	0,1835931156019712000,3096438129622650880,3900617307435175936,5716752743725981696,7946597811871383552,8525681326485266432
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
CAPPED_DATA	0	dev->nd_net.net	1
DATA_SOURCE	0	dev	$0
FUZZY_MAX	0	dev->reg_state	1
HARD_MAX	0	dev->reg_state	1
NOCHECK_CALL
HALF_LOCKED2		global &rtnl_mutex

net/core/dev.c netdev_change_features() -> __netdev_update_features()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->dev.dma_io_tlb_mem->phys_limit	0-s64max
PARAM_VALUE	0	dev->dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	dev->header_ops->cache	0,4002040155852992512,6291592314023907328,9038097620534984704
PARAM_VALUE	0	dev->header_ops->cache_update	0,4136776623896797184,7422325842290319360
PARAM_VALUE	0	dev->header_ops->create	0,4096-ptr_max
PARAM_VALUE	0	dev->header_ops->parse	0,4096-ptr_max
PARAM_VALUE	0	dev->header_ops->parse_protocol	0,4927389631704563712,5013334982761803776,5267698508377800704
PARAM_VALUE	0	dev->header_ops->validate	0
PARAM_VALUE	0	dev->netdev_ops->ndo_init	0,4096-ptr_max
PARAM_VALUE	0	dev->netdev_ops->ndo_uninit	0,4096-ptr_max
PARAM_VALUE	0	dev->queues_kset->kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev->rtnl_link_ops->alloc	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->changelink	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->dellink	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->fill_info	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->fill_linkxstats	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->fill_slave_info	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->fill_xstats	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_link_net	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_linkxstats_size	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_num_rx_queues	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_num_tx_queues	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_size	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_slave_size	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->get_xstats_size	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->kind	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->maxtype	0-6,8-10,15-16,18,20,22,24,33-34,50
PARAM_VALUE	0	dev->rtnl_link_ops->newlink	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->peer_type	0-1
PARAM_VALUE	0	dev->rtnl_link_ops->policy	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->setup	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->slave_changelink	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->slave_maxtype	0,12,45
PARAM_VALUE	0	dev->rtnl_link_ops->slave_policy	0,4096-ptr_max
PARAM_VALUE	0	dev->rtnl_link_ops->validate	0,4096-ptr_max
PARAM_VALUE	0	*dev->name	0-255
BUF_SIZE	0	dev->name_node	(-1),64
BUF_SIZE	0	dev->name_node->name	(-1),16
CAPPED_DATA	0	dev	1
DATA_SOURCE	0	dev	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	dev->flags	0-526337[c]
USER_DATA	0	dev->ifindex	0-s32max[c]
USER_DATA	0	dev->mtu	0-s32max[c]
NO_OVERFLOW_SIMPLE	0	dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	dev->real_num_tx_queues
UNITS	0	dev	unit_byte
HALF_LOCKED2	0	&dev->lock

net/core/dev.c netdev_sync_lower_features() -> __netdev_update_features()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->features	32768-u64max
PARAM_VALUE	0	dev->netdev_ops	4096-ptr_max
PARAM_VALUE	0	dev->netdev_ops->ndo_set_features	0,4096-ptr_max
DATA_SOURCE	0	dev	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&upper->lock
HALF_LOCKED2		global &rtnl_mutex

net/core/dev.c netdev_update_features() -> __netdev_update_features()

Type	Parameter	Key	Value
BUF_SIZE	0	dev->devlink_port	(-1),472
BUF_SIZE	0	dev->ethtool_ops	(-1),656
BUF_SIZE	0	dev->header_ops	(-1)-0,48
BUF_SIZE	0	dev->name_node	(-1),64
BUF_SIZE	0	dev->name_node->name	(-1),16
BUF_SIZE	0	dev->nd_net.net	(-1),10304,10432
BUF_SIZE	0	dev->qdisc_tx_busylock	(-1),16
BUF_SIZE	0	dev->rtnl_link_ops	(-1),288
DATA_SOURCE	0	dev	$0
STR_LEN	0	dev	(-1),9-10
STR_LEN	0	dev	(-1),9-10
STR_LEN	0	dev->name	(-1),15
NOSPEC	0	dev->flags
NOSPEC	0	dev->ifindex
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	dev->flags	0-527873[c]
USER_DATA	0	dev->group	s32min-s32max
USER_DATA	0	dev->ifindex	s32min-s32max
USER_DATA	0	dev->mtu	0-u32max[c]
USER_DATA	0	dev->num_tc	2-16[c]
USER_DATA	0	dev->real_num_rx_queues	1-s32max[c]
USER_DATA	0	*dev->dev_addr	0-255
NO_OVERFLOW_SIMPLE	0	dev->devlink_port->index
NO_OVERFLOW_SIMPLE	0	dev->group
NO_OVERFLOW_SIMPLE	0	dev->name
NO_OVERFLOW_SIMPLE	0	dev->num_napi_configs
NO_OVERFLOW_SIMPLE	0	dev->num_rx_queues
NO_OVERFLOW_SIMPLE	0	dev->num_tx_queues
NO_OVERFLOW_SIMPLE	0	dev->proto_down
NO_OVERFLOW_SIMPLE	0	dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	dev->tx_queue_len
UNITS	0	dev	unit_byte
USER_PTR	0	dev->name
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&port->pnodes_lock
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &xenwatch_mutex
HALF_LOCKED2	0	&dev->ethtool->rss_lock
HALF_LOCKED2	0	&dev->lock

net/ethtool/features.c ethnl_set_features() -> __netdev_update_features()

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->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
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &rtnl_mutex
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 &rx_queue_mutex
HALF_LOCKED2		rcu_read