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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

drivers/net/netkit.c netkit_xsk() -> dev_get_min_mp_channel_count()

Type Parameter Key Value
PARAM_VALUE 0 dev 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
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &dev->lock
HALF_LOCKED2 &dev->lock
HALF_LOCKED2 &xs->mutex
HALF_LOCKED2 global &rtnl_mutex
TYPE_LOCK (struct net_device)->lock

net/xdp/xsk_buff_pool.c xp_assign_dev() -> dev_get_min_mp_channel_count()

Type Parameter Key Value
PARAM_VALUE 0 dev 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.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mtu 0-4294967270
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
CAPPED_DATA 0 dev->ifindex 1
CAPPED_DATA 0 dev->real_num_rx_queues 1
DATA_SOURCE 0 dev $1
RX_PATH
TASK_NOT_RUNNING
LOCK2 &xs->mutex
LOCK2 global &rtnl_mutex
HALF_LOCKED2 &buffer->mutex
HALF_LOCKED2 &frag->frag_sem
HALF_LOCKED2 global &o2nm_cluster_group.cs_subsys.su_mutex
TYPE_LOCK (struct xdp_sock)->mutex

net/ethtool/rings.c ethnl_set_rings() -> dev_get_min_mp_channel_count()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->cfg 4096-ptr_max
PARAM_VALUE 0 dev->cfg_pending 1-u64max
PARAM_VALUE 0 dev->dev.parent 0,4096-ptr_max
PARAM_VALUE 0 dev->ethtool_ops 4096-ptr_max
PARAM_VALUE 0 dev->ethtool_ops->get_ringparam 4096-ptr_max
PARAM_VALUE 0 dev->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->netdev_ops 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dev->lock
HALF_LOCKED2 &devlink->lock
HALF_LOCKED2 &net->xfrm.xfrm_cfg_mutex
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

net/core/dev.c dev_xdp_install() -> dev_get_min_mp_channel_count()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->cfg 4096-ptr_max
PARAM_VALUE 0 dev->dev.power.wakeirq->status 0-4294967295
PARAM_VALUE 0 dev->netdev_ops 4096-ptr_max
PARAM_VALUE 0 dev->netdev_ops->ndo_bpf 0,4096-ptr_max
PARAM_VALUE 0 dev->netdev_ops->ndo_change_carrier 0,885170895855865856,1782477489044140032,2219068876340936704,3313908872681771008,6182840514861293568,6498501278544633856
PARAM_VALUE 0 dev->netdev_ops->ndo_set_config 0,1586268954384080896,2133952100825280512,4430316855586635776
PARAM_VALUE 0 dev->netdev_ops->ndo_set_vf_guid 0,1993202516722049024
PARAM_VALUE 0 dev->netdev_ops->ndo_set_vf_port 0,6678536409099956224
PARAM_VALUE 0 dev->netdev_ops->ndo_set_vf_vlan 0,4096-ptr_max
PARAM_VALUE 0 dev->netdev_ops->ndo_uninit 0,4096-ptr_max
PARAM_VALUE 0 dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,3720,9688-u64max
DATA_SOURCE 0 dev $0
NOSPEC 0 dev->flags
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 dev->flags 0-527361[c]
USER_DATA 0 dev->mtu 0-s32max[c]
NO_OVERFLOW_SIMPLE 0 dev->group
NO_OVERFLOW_SIMPLE 0 dev->tx_queue_len
HALF_LOCKED2 global &rtnl_mutex
HALF_LOCKED2 0 &dev->lock

net/core/dev.c netif_xdp_propagate() -> dev_get_min_mp_channel_count()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->cfg 4096-ptr_max
PARAM_VALUE 0 dev->netdev_ops 4096-ptr_max
PARAM_VALUE 0 dev->netdev_ops->ndo_bpf 4096-ptr_max
PARAM_VALUE 0 dev->netdev_ops->ndo_set_config 0,1586268954384080896,2133952100825280512,4430316855586635776
PARAM_VALUE 0 dev->netdev_ops->ndo_xdp_xmit 0,4096-ptr_max
PARAM_VALUE 0 dev->rtnl_link_ops->alloc 0,1182153660833808384,3130032447137456128
PARAM_VALUE 0 dev->rtnl_link_ops->get_num_rx_queues 0,1694260139628544000,4559208055891021824,7097615251001798656,8443738062496038912
PARAM_VALUE 0 dev->rtnl_link_ops->get_num_tx_queues 0,1694260139628544000,4559208055891021824,7071371917186535424,8443738062496038912
PARAM_VALUE 0 dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 dev->rtnl_link_ops->peer_type 0-1
BUF_SIZE 0 dev->nd_net.net (-1),10304,10432
DATA_SOURCE 0 dev $0
NOSPEC 0 dev->ifindex
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 dev->flags 2048-525824[c]
USER_DATA 0 dev->ifindex 0-s32max[c]
NO_OVERFLOW_SIMPLE 0 dev->group
NO_OVERFLOW_SIMPLE 0 dev->num_tc
NO_OVERFLOW_SIMPLE 0 dev->proto_down
NO_OVERFLOW_SIMPLE 0 dev->real_num_rx_queues
UNITS 0 dev unit_byte

net/ethtool/common.c ethtool_check_max_channel() -> dev_get_min_mp_channel_count()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->ethtool 4096-ptr_max
PARAM_VALUE 0 dev->ethtool->rss_indir_user_size 0-1
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.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->ethtool->rss_lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 dev->ethtool->rss_lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 dev->ethtool->rss_lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 dev->ethtool->rss_lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 dev->ethtool->rss_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->ethtool_ops 4096-ptr_max
PARAM_VALUE 0 *dev->name 0-255
DATA_SOURCE 0 dev $0
RX_PATH
TASK_NOT_RUNNING