free_tx_desc identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 3 files:

Defined in 1 files as a prototype:

drivers/net/ethernet/chelsio/cxgb4/cxgb4.h, line 2100 (as a prototype)

Defined in 1 files as a member:

drivers/net/ethernet/mellanox/mlx4/mlx4_en.h, line 269 (as a member)

Defined in 3 files as a function:

Referenced in 7 files:

Smatch caller information:

drivers/net/ethernet/chelsio/cxgb3/sge.c reclaim_completed_tx() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	2	n	1-64
BUF_SIZE	1	tq	704,1056
BUF_SIZE	1	tq	704,1056
CAPPED_DATA	2	n	1
DATA_SOURCE	0	adapter	$0
DATA_SOURCE	1	tq	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	adapter	unit_byte
HALF_LOCKED2		&qs->tx_q->_xmit_lock
HALF_LOCKED2	1	&tq->lock

drivers/net/ethernet/chelsio/cxgb3/sge.c t3_free_qset() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->pdev->dev.cma_area->nranges	s32min-s32max
PARAM_VALUE	0	adapter->sge.qs	4096-ptr_max
PARAM_VALUE	0	adapter->sge.reg_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	*adapter->pdev->saved_config_space	0-4294967295
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	1	tq->desc	1-u64max
PARAM_VALUE	1	tq->sdesc	1-u64max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
CAPPED_DATA	0	adapter	1
DATA_SOURCE	0	adapter	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	adapter->pdev->current_state	0-3[c]
HOST_DATA	0	adapter->pdev->devfn	1-503[c]
HOST_DATA	0	adapter->pdev->device	0-u16max
HOST_DATA	0	adapter->pdev->pcie_flags_reg	0-u16max
UNITS	0	adapter	unit_byte
UNITS	2	n	unit_array_size

drivers/net/ethernet/chelsio/cxgb4/sge.c reclaim_completed_tx() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter->ptp_tx_skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	adapter->ptp_tx_skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	adapter->ptp_tx_skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	0	adapter->ptp_tx_skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	0	adapter->ptp_tx_skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	0	adapter->ptp_tx_skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	adapter->ptp_tx_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	tq	4096-ptr_max
PARAM_VALUE	1	tq->stat	4096-ptr_max
PARAM_VALUE	2	n	1-u32max
BUF_SIZE	0	adapter->ptp_tx_skb	(-1)-s32max
CAPPED_DATA	2	n	1
DATA_SOURCE	0	adapter	$0
DATA_SOURCE	1	tq	$1
DATA_SOURCE	3	unmap	$3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	adapter->ptp_tx_skb->csum_offset	0-u16max
HOST_DATA	0	adapter->ptp_tx_skb->data_len	0-2147483648[c]
HOST_DATA	0	adapter->ptp_tx_skb->len	14-u32max[c]
HOST_DATA	0	adapter->ptp_tx_skb->prev->csum_offset	0-u16max
HOST_DATA	0	adapter->ptp_tx_skb->prev->data_len	0-u32max[c]
HOST_DATA	0	adapter->ptp_tx_skb->prev->len	0-u32max[c]
HOST_DATA	0	adapter->ptp_tx_skb->prev->truesize	0-u32max
HOST_DATA	0	adapter->ptp_tx_skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	adapter->ptp_tx_skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	adapter->ptp_tx_skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	*adapter->ptp_tx_skb->data	0-255
UNITS	0	adapter	unit_byte
USER_PTR	0	adapter->ptp_tx_skb->data
HALF_LOCKED2		&eq->txq->_xmit_lock
HALF_LOCKED2		&q->txq->_xmit_lock
HALF_LOCKED2		bh

drivers/net/ethernet/chelsio/cxgb4/sge.c sge_tx_timer_cb() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->ptp_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	1	tq->stat	4096-ptr_max
PARAM_VALUE	2	n	1-u32max
PARAM_VALUE	3	unmap	0
DATA_SOURCE	2	n	r reclaimable
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&adapter->ptp_lock
TYPE_LOCK		(struct adapter)->ptp_lock

drivers/net/ethernet/chelsio/cxgb4/sge.c t4_free_sge_resources() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->fatal_err_notify_task.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	adapter->mbox_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	adapter->mlist.list.prev	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	adapter->pdev_dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	adapter->sge.ethqsets	1-u16max
PARAM_VALUE	0	adapter->sge.ethrxq	4096-ptr_max
PARAM_VALUE	0	adapter->sge.ethtxq	4096-ptr_max
PARAM_VALUE	1	tq->desc	1-u64max
PARAM_VALUE	3	unmap	1
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
CAPPED_DATA	0	adapter	1
CAPPED_DATA	0	adapter->params.nports	1
CAPPED_DATA	0	adapter->sge.ethqsets	1
DATA_SOURCE	0	adapter	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	adapter->sge.fl_pg_order	0-19,4294967284-u32max[c]
HOST_DATA	0	adapter->sge.fl_starve_thres	1-511[c]
HOST_DATA	0	adapter->sge.pktshift	0-7
HOST_DATA	0	adapter->sge.ptptxq.q.bar2_qid	0-u16max[c]
HOST_DATA	0	adapter->t4_bar0	0,16-4294967280[c]
UNITS	0	adapter	unit_byte
UNITS	2	n	unit_array_size
LOCK2		&etq->txq->_xmit_lock
LOCK2		bh
HALF_LOCKED2		global &uld_mutex
TYPE_LOCK		(struct netdev_queue)->_xmit_lock

drivers/net/ethernet/chelsio/cxgb4/sge.c t4_free_sge_resources() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->fatal_err_notify_task.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	adapter->mbox_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	adapter->mlist.list.prev	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	adapter->pdev_dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	adapter->ptp_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	adapter->sge.ctrlq	4096-ptr_max
PARAM_VALUE	0	adapter->sge.fw_evtq.desc	0
PARAM_VALUE	0	adapter->sge.intrq.desc	0
PARAM_VALUE	0	adapter->sge.ptptxq.q.desc	1-u64max
PARAM_VALUE	1	tq->desc	1-u64max
PARAM_VALUE	3	unmap	1
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
CAPPED_DATA	0	adapter	1
CAPPED_DATA	0	adapter->params.nports	1
CAPPED_DATA	0	adapter->sge.ethqsets	1
DATA_SOURCE	0	adapter	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	adapter->sge.fl_pg_order	0-19,4294967284-u32max[c]
HOST_DATA	0	adapter->sge.fl_starve_thres	1-511[c]
HOST_DATA	0	adapter->sge.pktshift	0-7
HOST_DATA	0	adapter->sge.ptptxq.q.bar2_qid	0-u16max[c]
HOST_DATA	0	adapter->t4_bar0	0,16-4294967280[c]
HOST_DATA	1	tq->bar2_qid	0-u16max[c]
UNITS	0	adapter	unit_byte
UNITS	2	n	unit_array_size
LOCK2		bh
LOCK2	0	&adapter->ptp_lock
HALF_LOCKED2		global &uld_mutex
TYPE_LOCK		(struct adapter)->ptp_lock

drivers/net/ethernet/chelsio/cxgb4/sge.c t4_sge_free_ethofld_txq() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->fatal_err_notify_task.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	adapter->mbox_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	adapter->mlist.list.prev	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	adapter->sge.eohw_rxq	4096-ptr_max
PARAM_VALUE	0	adapter->sge.eohw_txq	4096-ptr_max
PARAM_VALUE	0	adapter->tc_mqprio	4096-ptr_max
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	1	tq->desc	1-u64max
PARAM_VALUE	3	unmap	0
BUF_SIZE	0	adapter->sge.eohw_rxq	(-1)-62913600
BUF_SIZE	0	adapter->sge.eohw_txq	(-1)-19398360
DATA_SOURCE	0	adapter	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	adapter->sge.eoqsets
NO_OVERFLOW_SIMPLE	1	tq->size
UNITS	2	n	unit_array_size
LOCK2		&adap->tc_mqprio->mqprio_mutex
HALF_LOCKED2		global &rtnl_mutex
TYPE_LOCK		(struct cxgb4_tc_mqprio)->mqprio_mutex

drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c free_sge_txq_uld() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->fatal_err_notify_task.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	adapter->mbox_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	adapter->mlist.list.prev	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next	6161797322780819456
PARAM_VALUE	0	adapter->mlist.list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	adapter->pdev_dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	adapter->pdev_dev->dma_io_tlb_mem->can_grow	0-1
PARAM_VALUE	0	adapter->sge.uld_txq_info	4096-ptr_max
PARAM_VALUE	0	adapter->uld	4096-ptr_max
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	1	tq->desc	1-u64max
PARAM_VALUE	3	unmap	0
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
DATA_SOURCE	0	adapter	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	adapter	unit_byte
UNITS	2	n	unit_array_size
LOCK2		global &uld_mutex

drivers/net/ethernet/chelsio/cxgb4vf/sge.c reclaim_completed_tx() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter->sge.ethtxq	4096-ptr_max
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	1	tq->stat	4096-ptr_max
PARAM_VALUE	2	n	1-16,2147483648-u32max
PARAM_VALUE	3	unmap	1
DATA_SOURCE	0	adapter	$0
DATA_SOURCE	1	tq	$1
DATA_SOURCE	3	unmap	$2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	adapter	unit_byte
HALF_LOCKED2		&dev->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

drivers/net/ethernet/chelsio/cxgb4vf/sge.c sge_tx_timer_cb() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->sge.ethtxq	4096-ptr_max
PARAM_VALUE	1	tq	4096-ptr_max
PARAM_VALUE	1	tq->stat	4096-ptr_max
PARAM_VALUE	2	n	0-100
PARAM_VALUE	3	unmap	1
CAPPED_DATA	2	n	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&txq->txq->_xmit_lock
TYPE_LOCK		(struct netdev_queue)->_xmit_lock

drivers/net/ethernet/chelsio/cxgb4vf/sge.c t4vf_free_sge_resources() -> free_tx_desc()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->mbox_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	adapter->mlist.list.prev	6401626615959056384
PARAM_VALUE	0	adapter->mlist.list.prev->next	6401626615959056384
PARAM_VALUE	0	adapter->mlist.list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	adapter->pdev_dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	adapter->sge.ethqsets	1-u16max
PARAM_VALUE	1	tq->desc	1-u64max
PARAM_VALUE	3	unmap	1
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
DATA_SOURCE	0	adapter	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	adapter	unit_byte
UNITS	2	n	unit_array_size
HALF_LOCKED2		&dev->mutex