diff options
Diffstat (limited to 'include/net/netdev_queues.h')
| -rw-r--r-- | include/net/netdev_queues.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index 6e835972abd1..cd00e0406cf4 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -127,6 +127,9 @@ void netdev_stat_queue_sum(struct net_device *netdev, * @ndo_queue_stop: Stop the RX queue at the specified index. The stopped * queue's memory is written at the specified address. * + * @ndo_queue_get_dma_dev: Get dma device for zero-copy operations to be used + * for this queue. Return NULL on error. + * * 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. @@ -144,8 +147,12 @@ struct netdev_queue_mgmt_ops { int (*ndo_queue_stop)(struct net_device *dev, void *per_queue_mem, int idx); + struct device * (*ndo_queue_get_dma_dev)(struct net_device *dev, + int idx); }; +bool netif_rxq_has_unreadable_mp(struct net_device *dev, int idx); + /** * DOC: Lockless queue stopping / waking helpers. * @@ -321,4 +328,6 @@ static inline void netif_subqueue_sent(const struct net_device *dev, get_desc, start_thrs); \ }) +struct device *netdev_queue_get_dma_dev(struct net_device *dev, int idx); + #endif |