diff options
Diffstat (limited to 'include/net/netdev_queues.h')
| -rw-r--r-- | include/net/netdev_queues.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index b55d3b9cb9c2..81dc7cb2360c 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -130,6 +130,11 @@ void netdev_stat_queue_sum(struct net_device *netdev, * @ndo_queue_get_dma_dev: Get dma device for zero-copy operations to be used * for this queue. Return NULL on error. * + * @ndo_queue_create: Create a new RX queue which can be leased to another queue. + * Ops on this queue are redirected to the leased queue e.g. + * when opening a memory provider. Return the new queue id on + * success. Return negative error code on failure. + * * Note that @ndo_queue_mem_alloc and @ndo_queue_mem_free may be called while * the interface is closed. @ndo_queue_start and @ndo_queue_stop will only * be called for an interface which is open. @@ -149,9 +154,12 @@ struct netdev_queue_mgmt_ops { int idx); struct device * (*ndo_queue_get_dma_dev)(struct net_device *dev, int idx); + int (*ndo_queue_create)(struct net_device *dev); }; -bool netif_rxq_has_unreadable_mp(struct net_device *dev, int idx); +bool netif_rxq_has_unreadable_mp(struct net_device *dev, unsigned int rxq_idx); +bool netif_rxq_has_mp(struct net_device *dev, unsigned int rxq_idx); +bool netif_rxq_is_leased(struct net_device *dev, unsigned int rxq_idx); /** * DOC: Lockless queue stopping / waking helpers. @@ -340,5 +348,10 @@ static inline unsigned int netif_xmit_timeout_ms(struct netdev_queue *txq) }) struct device *netdev_queue_get_dma_dev(struct net_device *dev, int idx); - -#endif +bool netdev_can_create_queue(const struct net_device *dev, + struct netlink_ext_ack *extack); +bool netdev_can_lease_queue(const struct net_device *dev, + struct netlink_ext_ack *extack); +bool netdev_queue_busy(struct net_device *dev, int idx, + struct netlink_ext_ack *extack); +#endif /* _LINUX_NET_QUEUES_H */ |