dev_hard_start_xmit 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 4408 (as a prototype)

Defined in 1 files as a function:

net/core/dev.c, line 3924 (as a function)

Referenced in 3 files:

Smatch caller information:

net/sched/sch_generic.c sch_direct_xmit() -> dev_hard_start_xmit()

Type	Parameter	Key	Value
PARAM_VALUE	0	first	4096-ptr_max
PARAM_VALUE	0	first->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	first->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	first->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	0	first->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	0	first->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	0	first->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	first->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	first->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	first->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	first->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	first->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	first->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	first->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	first->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	first->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	dev	4096-ptr_max
PARAM_VALUE	2	txq	4096-ptr_max
PARAM_VALUE	3	ret	8434733206870933504
PARAM_VALUE	3	*ret	16
BUF_SIZE	0	first	(-1)-s32max
BUF_SIZE	0	first	(-1)-s32max
CAPPED_DATA	1	dev	1
CAPPED_DATA	1	dev->num_tx_queues	1
DATA_SOURCE	0	first	$0 [m]
DATA_SOURCE	1	dev	$2
DATA_SOURCE	2	txq	$3
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	first->csum_offset	0-u16max
HOST_DATA	0	first->data_len	0-2147483648[c]
HOST_DATA	0	first->len	0-u32max[c]
HOST_DATA	0	first->next->csum_offset	0-u16max
HOST_DATA	0	first->next->data_len	0-u32max[c]
HOST_DATA	0	first->next->len	1-u32max[c]
HOST_DATA	0	first->prev->csum_offset	0-u16max
HOST_DATA	0	first->prev->data_len	0-u32max[c]
HOST_DATA	0	first->prev->len	0-u32max[c]
HOST_DATA	0	first->prev->truesize	0-u32max
HOST_DATA	0	first->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	first->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	first->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	first->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*first->data	0-255
NO_OVERFLOW_SIMPLE	0	first->data_len
NO_OVERFLOW_SIMPLE	0	first->dev->group
NO_OVERFLOW_SIMPLE	0	first->dev->num_tc
NO_OVERFLOW_SIMPLE	0	first->dev->proto_down
NO_OVERFLOW_SIMPLE	0	first->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	first->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	first->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	first->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	first->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	0	first->end
NO_OVERFLOW_SIMPLE	0	first->extensions
NO_OVERFLOW_SIMPLE	0	first->len
NO_OVERFLOW_SIMPLE	0	first->next->end
NO_OVERFLOW_SIMPLE	0	first->next->len
NO_OVERFLOW_SIMPLE	0	first->next->tail
NO_OVERFLOW_SIMPLE	0	first->prev->data_len
NO_OVERFLOW_SIMPLE	0	first->prev->end
NO_OVERFLOW_SIMPLE	0	first->prev->len
NO_OVERFLOW_SIMPLE	0	first->prev->tail
NO_OVERFLOW_SIMPLE	0	first->prev->truesize
NO_OVERFLOW_SIMPLE	0	first->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	first->tail
NO_OVERFLOW_SIMPLE	0	first->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	first	unit_byte
UNITS	1	dev	unit_byte
HALF_LOCKED2		&q->seqlock
HALF_LOCKED2		rcu_read
HALF_LOCKED2	2	&txq->_xmit_lock

net/xfrm/xfrm_device.c xfrm_dev_resume() -> dev_hard_start_xmit()

Type	Parameter	Key	Value
PARAM_VALUE	0	first	4096-ptr_max
PARAM_VALUE	0	first->dev	4096-ptr_max
PARAM_VALUE	0	first->sender_cpu	0-8192
PARAM_VALUE	1	dev	4096-ptr_max
PARAM_VALUE	2	txq	4096-ptr_max
PARAM_VALUE	3	ret	154780796507025408
PARAM_VALUE	3	*ret	16
BUF_SIZE	0	first	(-1),1-s32max
BUF_SIZE	0	first	(-1),1-s32max
CAPPED_DATA	1	dev->num_tx_queues	1
CAPPED_DATA	1	dev->real_num_tx_queues	1
DATA_SOURCE	0	first	$0
DATA_SOURCE	2	txq	r netdev_core_pick_tx
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	first->len
NO_OVERFLOW_SIMPLE	0	first->tail
UNITS	0	first	unit_byte
UNITS	1	dev	unit_byte
LOCK2		rcu_read
HALF_LOCKED2	2	&txq->_xmit_lock