diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netdev_queues.h | 2 | ||||
| -rw-r--r-- | include/net/page_pool/helpers.h | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index b9d02bc65c97..cd00e0406cf4 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -151,6 +151,8 @@ struct netdev_queue_mgmt_ops { int idx); }; +bool netif_rxq_has_unreadable_mp(struct net_device *dev, int idx); + /** * DOC: Lockless queue stopping / waking helpers. * diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h index aa3719f28216..3247026e096a 100644 --- a/include/net/page_pool/helpers.h +++ b/include/net/page_pool/helpers.h @@ -505,6 +505,18 @@ static inline void page_pool_nid_changed(struct page_pool *pool, int new_nid) page_pool_update_nid(pool, new_nid); } +/** + * page_pool_is_unreadable() - will allocated buffers be unreadable for the CPU + * @pool: queried page pool + * + * Check if page pool will return buffers which are unreadable to the CPU / + * kernel. This will only be the case if user space bound a memory provider (mp) + * which returns unreadable memory to the queue served by the page pool. + * If %PP_FLAG_ALLOW_UNREADABLE_NETMEM was set but there is no mp bound + * this helper will return false. See also netif_rxq_has_unreadable_mp(). + * + * Return: true if memory allocated by the page pool may be unreadable + */ static inline bool page_pool_is_unreadable(struct page_pool *pool) { return !!pool->mp_ops; |