Lines Matching +full:per +full:- +full:queue

1 /* SPDX-License-Identifier: GPL-2.0 */
8  * struct netdev_config - queue-related configuration for a netdev
60  * struct netdev_stat_ops - netdev ops for fine grained stats
61  * @get_queue_stats_rx:	get stats for a given Rx queue
62  * @get_queue_stats_tx:	get stats for a given Tx queue
66  * on entry (specifically they are *not* zero-initialized). Drivers should
70  * Queue objects are not necessarily persistent, and only currently active
71  * queues are queried by the per-queue callbacks. This means that per-queue
78  * is issued to collect the delta, and then a series of per-queue callbacks.
80  * at the device level, meaning that unlike in queue callbacks, setting
88  * the @get_base_stats and subsequent per-queue calls are performed
91  * Device drivers are encouraged to reset the per-queue statistics when
93  * per-queue statistics is currently to detect traffic imbalance.
106  * struct netdev_queue_mgmt_ops - netdev ops for queue management
108  * @ndo_queue_mem_size: Size of the struct that describes a queue's memory.
110  * @ndo_queue_mem_alloc: Allocate memory for an RX queue at the specified index.
113  * @ndo_queue_mem_free:	Free memory from an RX queue.
115  * @ndo_queue_start:	Start an RX queue with the specified memory and at the
118  * @ndo_queue_stop:	Stop the RX queue at the specified index. The stopped
119  *			queue's memory is written at the specified address.
137  * DOC: Lockless queue stopping / waking helpers.
144  * wake attempts. The try-stop should happen from the xmit handler,
148  * The try-stop side is expected to run from the xmit handler and therefore
151  * handler may lead to xmit queue being enabled but not run.
180 			_res = -1;					\
186  * netif_txq_maybe_stop() - locklessly stop a Tx queue, if needed
189  * @stop_thrs:	minimal number of available descriptors for queue to be left
191  * @start_thrs:	minimal number of descriptors to re-enable the queue, can be
196  * return up-to-date information when evaluated!
200  *	 0 if the queue was stopped
201  *	 1 if the queue was left enabled
202  *	-1 if the queue was re-enabled (raced with waking)
228  * __netif_txq_completed_wake() - locklessly wake a Tx queue, if needed
233  * @start_thrs:	minimal number of descriptors to re-enable the queue
234  * @down_cond:	down condition, predicate indicating that the queue should
239  * return up-to-date information when evaluated!
243  *	 0 if the queue was woken up
244  *	 1 if the queue was already enabled (or disabled but @down_cond is true)
245  *	-1 if the queue was left unchanged (@start_thrs not reached)
253 		 * Barrier makes sure that anybody stopping the queue	\
259 		_res = -1;						\