efx_ethtool_create_rxfh_context identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/net/ethernet/sfc/ethtool_common.h, line 55 (as a prototype)

Defined in 1 files as a function:

drivers/net/ethernet/sfc/ethtool_common.c, line 1219 (as a function)

Referenced in 2 files:

Smatch caller information:

net/ethtool/ioctl.c ethtool_set_rxfh() -> (struct ethtool_ops)->create_rxfh_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	net_dev	4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent	0,4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent->bus	0,4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent->class	0,4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent->power.request	0-4
PARAM_VALUE	0	net_dev->dev.parent->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	net_dev->dev.parent->power.wakeirq	0,4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	net_dev->dev.parent->type	0,4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool	4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool->rss_ctx.xa_flags	4-u32max
PARAM_VALUE	0	net_dev->ethtool->rss_ctx.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->ethtool->rss_lock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->ethtool->rss_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool->rss_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	net_dev->ethtool->rss_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	net_dev->ethtool->rss_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	net_dev->ethtool->rss_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->ethtool->rss_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	net_dev->ethtool->rss_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	net_dev->ethtool_ops	4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool_ops->begin	0,1835931156019712000,3096438129622650880,3900617307435175936,5716752743725981696,7946597811871383552,8525681326485266432
PARAM_VALUE	0	net_dev->ethtool_ops->create_rxfh_context	1-u64max
PARAM_VALUE	0	net_dev->ethtool_ops->get_rx_ring_count	1-u64max
PARAM_VALUE	0	net_dev->ethtool_ops->rxfh_key_space	0
PARAM_VALUE	0	net_dev->ethtool_ops->rxfh_priv_size	0,8,176
PARAM_VALUE	0	net_dev->ethtool_ops->set_rxfh	1-u64max
PARAM_VALUE	0	net_dev->lock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	net_dev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	net_dev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	net_dev->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	net_dev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	net_dev->moving_ns	0
PARAM_VALUE	0	net_dev->netdev_ops	4096-ptr_max
PARAM_VALUE	0	net_dev->refcnt_tracker.list.next->next	4096-ptr_max
PARAM_VALUE	0	net_dev->refcnt_tracker.list.next->prev	4096-ptr_max
PARAM_VALUE	0	net_dev->reg_state	0-1
PARAM_VALUE	1	ctx	4096-ptr_max
PARAM_VALUE	1	ctx->key_size	0-u16max
PARAM_VALUE	1	ctx->priv_size	0,8,176
PARAM_VALUE	2	rxfh	1123508468146044928
PARAM_VALUE	2	rxfh->hfunc	0
PARAM_VALUE	2	rxfh->indir	0,16,4096-ptr_max
PARAM_VALUE	2	rxfh->indir_size	0-4294967294
PARAM_VALUE	2	rxfh->input_xfrm	0-2,255
PARAM_VALUE	2	rxfh->key	0,4096-ptr_max
PARAM_VALUE	2	rxfh->key_size	0-u16max
PARAM_VALUE	2	rxfh->rss_context	1-u32max
PARAM_VALUE	2	rxfh->rss_delete	0
PARAM_VALUE	3	extack	0
BUF_SIZE	1	ctx	24-s32max
BUF_SIZE	1	ctx	24-s32max
BUF_SIZE	3	extack	0
CAPPED_DATA	0	net_dev->nd_net.net	1
CAPPED_DATA	0	&net_dev->ethtool->rss_lock	1
CAPPED_DATA	1	ctx	1
CAPPED_DATA	1	ctx->key_size	1
DATA_SOURCE	0	net_dev	$0
DATA_SOURCE	1	ctx	r ethtool_rxfh_ctx_alloc
FUZZY_MAX	0	net_dev->reg_state	1
HARD_MAX	0	net_dev->reg_state	1
USER_DATA	2	rxfh->hfunc	0
USER_DATA	2	rxfh->input_xfrm	0
USER_DATA	2	rxfh->rss_context	1-4294967294
NO_OVERFLOW_SIMPLE	1	ctx->indir_size
NO_OVERFLOW_SIMPLE	1	ctx->key_off
USER_PTR	2	rxfh->indir
USER_PTR	2	rxfh->key
LOCK2	0	&net_dev->ethtool->rss_lock
HALF_LOCKED2		global &rtnl_mutex
TYPE_LOCK		(struct ethtool_netdev_state)->rss_lock

net/ethtool/rss.c ethnl_rss_create_doit() -> (struct ethtool_ops)->create_rxfh_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	net_dev	4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent	0,4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent->bus	0,4096-ptr_max
PARAM_VALUE	0	net_dev->dev.parent->type	0,4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool	4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool->rss_ctx.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->ethtool->rss_lock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->ethtool->rss_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool->rss_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	net_dev->ethtool->rss_lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	net_dev->ethtool->rss_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	net_dev->ethtool->rss_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->ethtool->rss_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	net_dev->ethtool->rss_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	net_dev->ethtool_ops	4096-ptr_max
PARAM_VALUE	0	net_dev->ethtool_ops->rxfh_key_space	0
PARAM_VALUE	0	net_dev->ethtool_ops->rxfh_max_num_contexts	0,2,8,16,33
PARAM_VALUE	0	net_dev->ethtool_ops->rxfh_priv_size	0,8,176
PARAM_VALUE	0	net_dev->lock.dep_map->name	0-255
PARAM_VALUE	0	net_dev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	net_dev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	net_dev->lock.first_waiter->task->blocked_on	0
PARAM_VALUE	0	net_dev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	net_dev->netdev_ops	4096-ptr_max
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.deferred_resume	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.idle_notification	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.request	0-4
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.request_pending	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.runtime_status	s32min-s32max
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	net_dev->priv->clk->core->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.deferred_resume	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.idle_notification	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.request	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.request_pending	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.runtime_error	s32min-s32max
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.runtime_status	s32min-s32max
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	net_dev->priv->clk->core->parent->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->parent->enable_count	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->parent->prepare_count	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->parent->protect_count	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->prepare_count	0-4294967295
PARAM_VALUE	0	net_dev->priv->clk->core->protect_count	0-4294967295
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.deferred_resume	0-1
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.idle_notification	0-1
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.request	0-4
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.request_pending	0-1
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.runtime_status	s32min-s32max
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.timer_autosuspends	0-1
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.usage_count.counter	s32min-s32max
PARAM_VALUE	0	net_dev->priv->cpsw->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	*net_dev->name	0
PARAM_VALUE	0	*net_dev->priv->dp.netdev->name	0
PARAM_VALUE	1	ctx	4096-ptr_max
PARAM_VALUE	1	ctx->key_size	0-u16max
PARAM_VALUE	1	ctx->priv_size	0,8,176
PARAM_VALUE	2	rxfh	7234425864374771712
PARAM_VALUE	2	rxfh->indir	0,4096-ptr_max
PARAM_VALUE	2	rxfh->key_size	0-u16max
PARAM_VALUE	2	rxfh->rss_delete	0
PARAM_VALUE	3	extack	4971238048455385088
BUF_SIZE	1	ctx	24-s32max
BUF_SIZE	1	ctx	24-s32max
CAPPED_DATA	0	net_dev->ethtool_ops->rxfh_max_num_contexts	1
CAPPED_DATA	0	&net_dev->ethtool->rss_lock	1
CAPPED_DATA	1	ctx	1
CAPPED_DATA	1	ctx->key_size	1
DATA_SOURCE	1	ctx	r ethtool_rxfh_ctx_alloc
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	ctx->indir_size
NO_OVERFLOW_SIMPLE	1	ctx->key_off
LOCK2	0	&net_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