wpan_dev_hard_header identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/net/cfg802154.h, line 518 (as a function)

Referenced in 2 files:

Smatch caller information:

net/ieee802154/6lowpan/tx.c lowpan_alloc_frag() -> wpan_dev_hard_header()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->data	4096-ptr_max
PARAM_VALUE	0	skb->dev	4096-ptr_max
PARAM_VALUE	1	dev	4096-ptr_max
PARAM_VALUE	2	daddr	7662221531667558424
PARAM_VALUE	2	daddr->extended_addr	0-255
PARAM_VALUE	2	daddr->mode	0,2-3
PARAM_VALUE	2	daddr->pan_id	0-255
PARAM_VALUE	2	daddr->short_addr	0-255
PARAM_VALUE	3	saddr	7662221531667558408
PARAM_VALUE	3	saddr->extended_addr	0-255
PARAM_VALUE	3	saddr->mode	0,2-3
PARAM_VALUE	3	saddr->pan_id	0-255
PARAM_VALUE	3	saddr->short_addr	0-255
BUF_SIZE	0	skb	0-s32max
BUF_SIZE	0	skb	0-s32max
DATA_SOURCE	0	skb	r alloc_skb
DATA_SOURCE	4	len	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	4	len	unit_byte
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

net/ieee802154/6lowpan/tx.c lowpan_header() -> wpan_dev_hard_header()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->_sk_redir	0
PARAM_VALUE	0	skb->alloc_cpu	0
PARAM_VALUE	0	skb->cb->type	1
PARAM_VALUE	0	skb->cloned	0
PARAM_VALUE	0	skb->csum	0
PARAM_VALUE	0	skb->csum_complete_sw	0
PARAM_VALUE	0	skb->csum_level	0
PARAM_VALUE	0	skb->csum_not_inet	0
PARAM_VALUE	0	skb->csum_offset	0
PARAM_VALUE	0	skb->csum_start	0
PARAM_VALUE	0	skb->csum_valid	0
PARAM_VALUE	0	skb->data_len	0-1
PARAM_VALUE	0	skb->decrypted	0
PARAM_VALUE	0	skb->destructor	0
PARAM_VALUE	0	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	0	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	0	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
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->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->dev_scratch	0
PARAM_VALUE	0	skb->dst_pending_confirm	0
PARAM_VALUE	0	skb->encap_hdr_csum	0
PARAM_VALUE	0	skb->encapsulation	0
PARAM_VALUE	0	skb->end	0
PARAM_VALUE	0	skb->fclone	0-1
PARAM_VALUE	0	skb->from_ingress	0
PARAM_VALUE	0	skb->hash	0
PARAM_VALUE	0	skb->hdr_len	0
PARAM_VALUE	0	skb->head	1-u64max
PARAM_VALUE	0	skb->head_frag	0
PARAM_VALUE	0	skb->headers.alloc_cpu	0
PARAM_VALUE	0	skb->headers.csum	0
PARAM_VALUE	0	skb->headers.csum_complete_sw	0
PARAM_VALUE	0	skb->headers.csum_level	0
PARAM_VALUE	0	skb->headers.csum_not_inet	0
PARAM_VALUE	0	skb->headers.csum_offset	0
PARAM_VALUE	0	skb->headers.csum_start	0
PARAM_VALUE	0	skb->headers.csum_valid	0
PARAM_VALUE	0	skb->headers.decrypted	0
PARAM_VALUE	0	skb->headers.dst_pending_confirm	0
PARAM_VALUE	0	skb->headers.encap_hdr_csum	0
PARAM_VALUE	0	skb->headers.encapsulation	0
PARAM_VALUE	0	skb->headers.from_ingress	0
PARAM_VALUE	0	skb->headers.hash	0
PARAM_VALUE	0	skb->headers.ignore_df	0
PARAM_VALUE	0	skb->headers.inner_ipproto	0
PARAM_VALUE	0	skb->headers.inner_mac_header	0
PARAM_VALUE	0	skb->headers.inner_network_header	0
PARAM_VALUE	0	skb->headers.inner_protocol	0
PARAM_VALUE	0	skb->headers.inner_protocol_type	0
PARAM_VALUE	0	skb->headers.inner_transport_header	0
PARAM_VALUE	0	skb->headers.ip_summed	0
PARAM_VALUE	0	skb->headers.ipvs_property	0
PARAM_VALUE	0	skb->headers.kcov_handle.val	0
PARAM_VALUE	0	skb->headers.l4_hash	0
PARAM_VALUE	0	skb->headers.mac_header	0
PARAM_VALUE	0	skb->headers.mark	0
PARAM_VALUE	0	skb->headers.napi_id	0
PARAM_VALUE	0	skb->headers.ndisc_nodetype	0
PARAM_VALUE	0	skb->headers.network_header	0
PARAM_VALUE	0	skb->headers.nf_skip_egress	0
PARAM_VALUE	0	skb->headers.nf_trace	0
PARAM_VALUE	0	skb->headers.no_fcs	0
PARAM_VALUE	0	skb->headers.offload_fwd_mark	0
PARAM_VALUE	0	skb->headers.offload_l3_fwd_mark	0
PARAM_VALUE	0	skb->headers.ooo_okay	0
PARAM_VALUE	0	skb->headers.pkt_type	0
PARAM_VALUE	0	skb->headers.priority	0
PARAM_VALUE	0	skb->headers.protocol	0
PARAM_VALUE	0	skb->headers.redirected	0
PARAM_VALUE	0	skb->headers.remcsum_offload	0
PARAM_VALUE	0	skb->headers.reserved_tailroom	0
PARAM_VALUE	0	skb->headers.secmark	0
PARAM_VALUE	0	skb->headers.sender_cpu	0
PARAM_VALUE	0	skb->headers.skb_iif	0
PARAM_VALUE	0	skb->headers.slow_gro	0
PARAM_VALUE	0	skb->headers.sw_hash	0
PARAM_VALUE	0	skb->headers.tc_at_ingress	0
PARAM_VALUE	0	skb->headers.tc_depth	0
PARAM_VALUE	0	skb->headers.tc_index	0
PARAM_VALUE	0	skb->headers.tc_skip_classify	0
PARAM_VALUE	0	skb->headers.transport_header	0
PARAM_VALUE	0	skb->headers.tstamp_type	0
PARAM_VALUE	0	skb->headers.unreadable	0
PARAM_VALUE	0	skb->headers.vlan_all	0
PARAM_VALUE	0	skb->headers.vlan_proto	0
PARAM_VALUE	0	skb->headers.vlan_tci	0
PARAM_VALUE	0	skb->headers.wifi_acked	0
PARAM_VALUE	0	skb->headers.wifi_acked_valid	0
PARAM_VALUE	0	skb->ignore_df	0
PARAM_VALUE	0	skb->inner_ipproto	0
PARAM_VALUE	0	skb->inner_mac_header	0
PARAM_VALUE	0	skb->inner_network_header	0
PARAM_VALUE	0	skb->inner_protocol	0
PARAM_VALUE	0	skb->inner_protocol_type	0
PARAM_VALUE	0	skb->inner_transport_header	0
PARAM_VALUE	0	skb->ip_summed	0
PARAM_VALUE	0	skb->ipvs_property	0
PARAM_VALUE	0	skb->kcov_handle.val	0
PARAM_VALUE	0	skb->l4_hash	0
PARAM_VALUE	0	skb->list.next	0
PARAM_VALUE	0	skb->list.prev	0
PARAM_VALUE	0	skb->ll_node.next	0
PARAM_VALUE	0	skb->mac_header	u16max
PARAM_VALUE	0	skb->mac_len	0
PARAM_VALUE	0	skb->mark	0
PARAM_VALUE	0	skb->napi_id	0
PARAM_VALUE	0	skb->ndisc_nodetype	0
PARAM_VALUE	0	skb->next	0
PARAM_VALUE	0	skb->nf_skip_egress	0
PARAM_VALUE	0	skb->nf_trace	0
PARAM_VALUE	0	skb->no_fcs	0
PARAM_VALUE	0	skb->nohdr	0
PARAM_VALUE	0	skb->offload_fwd_mark	0
PARAM_VALUE	0	skb->offload_l3_fwd_mark	0
PARAM_VALUE	0	skb->ooo_okay	0
PARAM_VALUE	0	skb->peeked	0
PARAM_VALUE	0	skb->pkt_type	0
PARAM_VALUE	0	skb->pp_recycle	0
PARAM_VALUE	0	skb->prev	0
PARAM_VALUE	0	skb->priority	0
PARAM_VALUE	0	skb->protocol	0,34525
PARAM_VALUE	0	skb->rbnode.__rb_parent_color	0
PARAM_VALUE	0	skb->rbnode.rb_left	0
PARAM_VALUE	0	skb->rbnode.rb_right	0
PARAM_VALUE	0	skb->redirected	0
PARAM_VALUE	0	skb->remcsum_offload	0
PARAM_VALUE	0	skb->reserved_tailroom	0
PARAM_VALUE	0	skb->secmark	0
PARAM_VALUE	0	skb->sender_cpu	0
PARAM_VALUE	0	skb->sk	0
PARAM_VALUE	0	skb->skb_iif	0
PARAM_VALUE	0	skb->sw_hash	0
PARAM_VALUE	0	skb->tc_at_ingress	0
PARAM_VALUE	0	skb->tc_depth	0
PARAM_VALUE	0	skb->tc_index	0
PARAM_VALUE	0	skb->tc_skip_classify	0
PARAM_VALUE	0	skb->tcp_tsorted_anchor.next	0
PARAM_VALUE	0	skb->tcp_tsorted_anchor.prev	0
PARAM_VALUE	0	skb->truesize	0
PARAM_VALUE	0	skb->tstamp_type	0
PARAM_VALUE	0	skb->unreadable	0
PARAM_VALUE	0	skb->users.refs.counter	1
PARAM_VALUE	0	skb->vlan_proto	0
PARAM_VALUE	0	skb->vlan_tci	0
PARAM_VALUE	0	skb->wifi_acked	0
PARAM_VALUE	0	skb->wifi_acked_valid	0
PARAM_VALUE	0	*skb->cb	0-255
PARAM_VALUE	2	daddr	7874678290433892352
PARAM_VALUE	3	saddr	7874678290433892368
PARAM_VALUE	4	len	0
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
CAPPED_DATA	0	skb->head	1
DATA_SOURCE	0	skb	$0
MEM_ZERO	0	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	skb->csum_offset	0
HOST_DATA	0	skb->data_len	0-1[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->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
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

net/ieee802154/socket.c dgram_sendmsg() -> wpan_dev_hard_header()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->cb->seclevel	0-7
PARAM_VALUE	0	skb->cb->type	1
PARAM_VALUE	0	skb->data	4096-ptr_max
PARAM_VALUE	0	*skb->cb	0-255
PARAM_VALUE	1	dev	4096-ptr_max
PARAM_VALUE	1	dev->ieee802154_ptr	4096-ptr_max
PARAM_VALUE	1	dev->type	1,804
PARAM_VALUE	2	daddr	200954757102571520
PARAM_VALUE	3	saddr	0,4096-ptr_max
PARAM_VALUE	3	saddr->mode	2-3
PARAM_VALUE	4	len	0-127
BUF_SIZE	0	skb	0-s32max
BUF_SIZE	0	skb	0-s32max
BUF_SIZE	3	saddr	0,16
CAPPED_DATA	1	dev->type	1
DATA_SOURCE	0	skb	r sock_alloc_send_skb
DATA_SOURCE	4	len	$2
MEM_ZERO	0	skb->cb
RX_PATH
TASK_NOT_RUNNING
USER_DATA	2	daddr->mode	0,2-3[u]
USER_DATA	2	daddr->pan_id	0-u16max[u]
USER_DATA	2	daddr->short_addr	0-u16max[u]
USER_DATA	4	len	0-127
UNITS	4	len	unit_byte
HALF_LOCKED2		&vq->mutex