netdev: add netdev_rx_queue_restart()

Add netdev_rx_queue_restart(), which resets an rx queue using the
queue API recently merged[1].

The queue API was merged to enable the core net stack to reset individual
rx queues to actuate changes in the rx queue's configuration. In later
patches in this series, we will use netdev_rx_queue_restart() to reset
rx queues after binding or unbinding dmabuf configuration, which will
cause reallocation of the page_pool to repopulate its memory using the
new configuration.

[1] https://lore.kernel.org/netdev/20240430231420.699177-1-shailend@google.com/T/

Signed-off-by: David Wei <dw@davidwei.uk>
Signed-off-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20240910171458.219195-2-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

This commit is contained in:

Mina Almasry

2024-09-10 17:14:45 +00:00

committed by

Jakub Kicinski

parent 24b8c19314

commit 7c88f86576

3 changed files with 78 additions and 0 deletions

									
										include/net/netdev_rx_queue.h
									
		+3
		
												View File
												
				@@ -54,4 +54,7 @@ get_netdev_rx_queue_index(struct netdev_rx_queue *queue)

					return index;

				}

				#endif

				int netdev_rx_queue_restart(struct net_device *dev, unsigned int rxq);

				#endif