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Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

net/core/pktgen.c pktgen_xmit() -> netdev_start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 skb 0,4096-ptr_max
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 dev 4096-ptr_max
PARAM_VALUE 2 txq 4096-ptr_max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 1 dev->num_tx_queues 1
DATA_SOURCE 2 txq r skb_get_tx_queue
PREEMPT_ADD <- disables preempt
USER_PTR 0 skb->data
LOCK2 bh
HALF_LOCKED2 2 &txq->_xmit_lock

net/sched/sch_teql.c teql_master_xmit() -> netdev_start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE 1 dev 4096-ptr_max
PARAM_VALUE 1 dev->ndisc_ops->fill_addr_option 9149257602806276096
PARAM_VALUE 1 dev->ndisc_ops->parse_options 4570881757937598464
PARAM_VALUE 1 dev->ndisc_ops->update 8455145027589103616
PARAM_VALUE 2 txq 4096-ptr_max
PARAM_VALUE 2 txq->xmit_lock_owner 0
PARAM_VALUE 3 more 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 0 skb->dev->num_tx_queues 1
CAPPED_DATA 1 dev 1
CAPPED_DATA 1 dev->num_tx_queues 1
DATA_SOURCE 0 skb $0
DATA_SOURCE 2 txq r netdev_get_tx_queue
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-2147483648[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->next->csum_offset 0-u16max
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->len 1-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->truesize 0-u32max
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->prev->data_len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 dev unit_byte
LOCK2 rcu_read
LOCK2 2 &txq->_xmit_lock
HALF_LOCKED2 &dev->tx_global_lock
HALF_LOCKED2 &txq->_xmit_lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
TYPE_LOCK (struct netdev_queue)->_xmit_lock

net/core/dev.c __dev_direct_xmit() -> netdev_start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->get_link_ext_state 0,8,1281650680815353856,1471363006793740288,2066653251895574528,8975973974715154432,9149564991109386240
PARAM_VALUE 0 skb->dev->ethtool_ops->get_mm_stats 0,88,181867277093580800,5657799486394183680,5747745173089693696,8861185814274375680
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0,2,8,16,33
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 0-3,17,19,34-35,48,51,59,63,204,236,273,511,513,529,547,561,563,595,597,1553,1587,1681,132625,135697,657041,677393,2029107,2097665,2300433,2300595,3653155,12583935,12584499,13239859,117440512,536870912,s32max
PARAM_VALUE 0 skb->dev->hwprov->source 0-2
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->crcount 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->gsquery 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->loaded 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->multiaddr 0-4294967295
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->reporter 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->sfmode 0-4294967295
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->tm_running 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->unsolicit_count 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->users s32min-s32max
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->gen->s.len 0-s32max
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f 0,2623593239163551744,2848917907979182080,2914521387540934656,3268414198954766336
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 skb->dev->netdev_ops 4096-ptr_max
PARAM_VALUE 0 skb->dev->priomap->priomap_len 0,27,59
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->prev->next 0
PARAM_VALUE 0 skb->prev->prev 4096-ptr_max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->gen->s.len 0-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_rcu.func 1-u64max
PARAM_VALUE 0 skb->sk->sk_rcu.next 0
PARAM_VALUE 0 *skb->dev->name 0-255
PARAM_VALUE 1 dev 4096-ptr_max
PARAM_VALUE 2 txq 4096-ptr_max
PARAM_VALUE 3 more 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 1 dev 1
CAPPED_DATA 1 dev->num_tx_queues 1
DATA_SOURCE 0 skb r validate_xmit_skb_list
DATA_SOURCE 2 txq r skb_get_tx_queue
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-2147483648[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->truesize 0-u32max
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
NO_OVERFLOW_SIMPLE 1 dev->group
NO_OVERFLOW_SIMPLE 1 dev->num_tc
NO_OVERFLOW_SIMPLE 1 dev->proto_down
NO_OVERFLOW_SIMPLE 1 dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 dev->tx_queue_len
UNITS 0 skb unit_byte
UNITS 1 dev unit_byte
LOCK2 bh
HALF_LOCKED2 &xs->mutex
HALF_LOCKED2 2 &txq->_xmit_lock

net/core/dev.c generic_xdp_tx() -> netdev_start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->sender_cpu 0-8192
PARAM_VALUE 1 dev 4096-ptr_max
PARAM_VALUE 2 txq 4096-ptr_max
PARAM_VALUE 3 more 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 1 dev->num_tx_queues 1
CAPPED_DATA 1 dev->real_num_tx_queues 1
DATA_SOURCE 0 skb $0
DATA_SOURCE 2 txq r netdev_core_pick_tx
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 skb->end
UNITS 1 dev unit_byte
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read
HALF_LOCKED2 2 &txq->_xmit_lock

net/core/dev.c xmit_one() -> netdev_start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->next 0
PARAM_VALUE 1 dev 4096-ptr_max
PARAM_VALUE 1 dev->ptype_all.next 4096-ptr_max
PARAM_VALUE 2 txq 4096-ptr_max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 1 dev 1
CAPPED_DATA 1 dev->nd_net.net 1
DATA_SOURCE 0 skb $0
DATA_SOURCE 1 dev $1
DATA_SOURCE 2 txq $2
DATA_SOURCE 3 more $3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-2147483648[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
NO_OVERFLOW_SIMPLE 1 dev->group
NO_OVERFLOW_SIMPLE 1 dev->num_tc
NO_OVERFLOW_SIMPLE 1 dev->proto_down
NO_OVERFLOW_SIMPLE 1 dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 dev->tx_queue_len
UNITS 0 skb unit_byte
UNITS 1 dev unit_byte
HALF_LOCKED2 rcu_read
HALF_LOCKED2 2 &txq->_xmit_lock

net/core/netpoll.c netpoll_start_xmit() -> netdev_start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 skb->dev->netdev_ops 4096-ptr_max
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->vlan_all 0
PARAM_VALUE 0 *skb->dev->name 0-255
PARAM_VALUE 1 dev 4096-ptr_max
PARAM_VALUE 2 txq 4096-ptr_max
PARAM_VALUE 3 more 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 1 dev->num_tx_queues 1
CAPPED_DATA 1 dev->real_num_tx_queues 1
DATA_SOURCE 0 skb $0 [m]
DATA_SOURCE 1 dev $1
DATA_SOURCE 2 txq $2
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->next->csum_offset 0-u16max
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->len 1-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->truesize 0-u32max
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->prev->data_len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 dev unit_byte
LOCK2 flags
HALF_LOCKED2 rcu_read
HALF_LOCKED2 2 &txq->_xmit_lock