__skb_tstamp_tx identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/skbuff.h, line 4717 (as a prototype)

Defined in 1 files as a function:

net/core/skbuff.c, line 5699 (as a function)

Referenced in 4 files:

Smatch caller information:

net/core/skbuff.c skb_tstamp_tx() -> __skb_tstamp_tx()

Type	Parameter	Key	Value
PARAM_VALUE	0	orig_skb	4096-ptr_max
PARAM_VALUE	1	ack_skb	0
PARAM_VALUE	4	tstype	0
DATA_SOURCE	0	orig_skb	$0
DATA_SOURCE	2	hwtstamps	$1
UNITS	3	sk	unit_byte

net/ipv4/tcp_input.c tcp_ack_tstamp() -> __skb_tstamp_tx()

Type	Parameter	Key	Value
PARAM_VALUE	0	orig_skb	4096-ptr_max
PARAM_VALUE	0	orig_skb->_skb_refdst	0
PARAM_VALUE	0	orig_skb->cb	4096-ptr_max
PARAM_VALUE	1	ack_skb	4096-ptr_max
PARAM_VALUE	1	ack_skb->cb	4096-ptr_max
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->create_rxfh_context	0-s64max
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->modify_rxfh_context	0-s64max
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->remove_rxfh_context	0-s64max
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	1	ack_skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	ack_skb->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	ack_skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	ack_skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	ack_skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	ack_skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	ack_skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	ack_skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	ack_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	1	ack_skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	ack_skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	ack_skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	ack_skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	ack_skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	hwtstamps	0
PARAM_VALUE	3	sk	4096-ptr_max
PARAM_VALUE	3	sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	sk->ns_tracker->dead	0-1
PARAM_VALUE	3	sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	sk->sk_backlog.head->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	sk->sk_backlog.head->sk->ns_tracker->dead	0-1
PARAM_VALUE	3	sk->sk_backlog.head->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	sk->sk_err_soft	0
PARAM_VALUE	3	sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	sk->sk_socket->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	sk->sk_socket->sk->ns_tracker->dead	0-1
PARAM_VALUE	3	sk->sk_socket->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	sk->tcp_rtx_queue.rb_node	4096-ptr_max
PARAM_VALUE	4	tstype	2
BUF_SIZE	1	ack_skb	(-1)-s32max
BUF_SIZE	1	ack_skb	(-1)-s32max
BUF_SIZE	3	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	3	sk	1
DATA_SOURCE	0	orig_skb	$1
DATA_SOURCE	1	ack_skb	$2
DATA_SOURCE	3	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	ack_skb->csum	0-4294967040[c]
HOST_DATA	1	ack_skb->csum_offset	0-u16max
HOST_DATA	1	ack_skb->data_len	0-u32max[c]
HOST_DATA	1	ack_skb->len	0-u32max[c]
HOST_DATA	1	ack_skb->prev->csum_offset	0-u16max
HOST_DATA	1	ack_skb->prev->data_len	0-u32max[c]
HOST_DATA	1	ack_skb->prev->len	1-u32max[c]
HOST_DATA	1	ack_skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	ack_skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	ack_skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*ack_skb->data	0-255
NO_OVERFLOW_SIMPLE	1	ack_skb->data_len
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->group
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	ack_skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	ack_skb->end
NO_OVERFLOW_SIMPLE	1	ack_skb->len
NO_OVERFLOW_SIMPLE	1	ack_skb->next->end
NO_OVERFLOW_SIMPLE	1	ack_skb->next->len
NO_OVERFLOW_SIMPLE	1	ack_skb->next->tail
NO_OVERFLOW_SIMPLE	1	ack_skb->next->truesize
NO_OVERFLOW_SIMPLE	1	ack_skb->prev->end
NO_OVERFLOW_SIMPLE	1	ack_skb->prev->len
NO_OVERFLOW_SIMPLE	1	ack_skb->prev->tail
NO_OVERFLOW_SIMPLE	1	ack_skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	ack_skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	ack_skb->tail
NO_OVERFLOW_SIMPLE	1	ack_skb->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.head->end
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.tail->end
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE	3	sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_write_queue.prev->truesize
UNITS	1	ack_skb	unit_byte
UNITS	3	sk	unit_byte
HALF_LOCKED2	3	sk
HALF_LOCKED2	3	&sk->sk_lock.slock

net/bluetooth/hci_conn.c hci_conn_tx_dequeue() -> __skb_tstamp_tx()

Type	Parameter	Key	Value
PARAM_VALUE	0	orig_skb	4096-ptr_max
PARAM_VALUE	0	orig_skb->next	0
PARAM_VALUE	0	orig_skb->prev	0
PARAM_VALUE	0	orig_skb->sk	1-u64max
PARAM_VALUE	1	ack_skb	0
PARAM_VALUE	2	hwtstamps	0
PARAM_VALUE	3	sk	1-u64max
PARAM_VALUE	4	tstype	3
DATA_SOURCE	0	orig_skb	r skb_dequeue
RX_PATH
NOCHECK_CALL
UNITS	3	sk	unit_byte
LOCK2		&hdev->lock
LOCK2		&pool->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/hci_conn.c hci_conn_tx_queue() -> __skb_tstamp_tx()

Type	Parameter	Key	Value
PARAM_VALUE	0	orig_skb	4096-ptr_max
PARAM_VALUE	0	orig_skb->next	0
PARAM_VALUE	0	orig_skb->prev	0
PARAM_VALUE	0	orig_skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	orig_skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	orig_skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	ack_skb	0
PARAM_VALUE	2	hwtstamps	0
PARAM_VALUE	3	sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	sk->ns_tracker->dead	0-1
PARAM_VALUE	3	sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	4	tstype	0
DATA_SOURCE	0	orig_skb	$1
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	orig_skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.len
UNITS	3	sk	unit_byte
HALF_LOCKED2		&pool->lock

net/core/dev.c __dev_queue_xmit() -> __skb_tstamp_tx()

Type	Parameter	Key	Value
PARAM_VALUE	0	orig_skb	4096-ptr_max
PARAM_VALUE	0	orig_skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	orig_skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	orig_skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	0	orig_skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	0	orig_skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	0	orig_skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	orig_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	ack_skb	0
PARAM_VALUE	2	hwtstamps	0
PARAM_VALUE	4	tstype	1
BUF_SIZE	0	orig_skb	(-1)-s32max
BUF_SIZE	0	orig_skb	(-1)-s32max
DATA_SOURCE	0	orig_skb	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	orig_skb->csum	0-192512[c]
HOST_DATA	0	orig_skb->csum_offset	0-u16max
HOST_DATA	0	orig_skb->data_len	0-u32max[c]
HOST_DATA	0	orig_skb->inner_protocol	1-255
HOST_DATA	0	orig_skb->len	0-u32max[c]
HOST_DATA	0	orig_skb->next->csum_offset	0-u16max
HOST_DATA	0	orig_skb->next->data_len	0-u32max[c]
HOST_DATA	0	orig_skb->next->len	1-u32max[c]
HOST_DATA	0	orig_skb->next->prev->csum_offset	0-u16max
HOST_DATA	0	orig_skb->next->prev->data_len	0-u32max[c]
HOST_DATA	0	orig_skb->next->prev->len	1-u32max[c]
HOST_DATA	0	orig_skb->next->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	orig_skb->prev->csum_offset	0-u16max
HOST_DATA	0	orig_skb->prev->data_len	0-u32max[c]
HOST_DATA	0	orig_skb->prev->len	0-u32max[c]
HOST_DATA	0	orig_skb->prev->truesize	0-u32max
HOST_DATA	0	orig_skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	orig_skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	orig_skb->protocol	1-255
HOST_DATA	0	orig_skb->truesize	0-u32max
HOST_DATA	0	orig_skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	orig_skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*orig_skb->data	0-255
NO_OVERFLOW_SIMPLE	0	orig_skb->data_len
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->group
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->num_tc
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->proto_down
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	orig_skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	0	orig_skb->end
NO_OVERFLOW_SIMPLE	0	orig_skb->len
NO_OVERFLOW_SIMPLE	0	orig_skb->next->end
NO_OVERFLOW_SIMPLE	0	orig_skb->next->len
NO_OVERFLOW_SIMPLE	0	orig_skb->next->tail
NO_OVERFLOW_SIMPLE	0	orig_skb->next->truesize
NO_OVERFLOW_SIMPLE	0	orig_skb->prev->data_len
NO_OVERFLOW_SIMPLE	0	orig_skb->prev->end
NO_OVERFLOW_SIMPLE	0	orig_skb->prev->len
NO_OVERFLOW_SIMPLE	0	orig_skb->prev->tail
NO_OVERFLOW_SIMPLE	0	orig_skb->prev->truesize
NO_OVERFLOW_SIMPLE	0	orig_skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	orig_skb->tail
NO_OVERFLOW_SIMPLE	0	orig_skb->truesize
NO_OVERFLOW_SIMPLE	3	sk->sk_backlog.len
UNITS	0	orig_skb	unit_byte
UNITS	3	sk	unit_byte
HALF_LOCKED2		&eql->queue.lock
HALF_LOCKED2		&lapb->lock
HALF_LOCKED2		&mgmt_eth_data->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&priv->state_lock
HALF_LOCKED2		bh
HALF_LOCKED2		k->lock
HALF_LOCKED2		rcu_read