diff options
Diffstat (limited to 'net/core/devmem.h')
| -rw-r--r-- | net/core/devmem.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/core/devmem.h b/net/core/devmem.h index 1c5c18581fcb..3852a56036cb 100644 --- a/net/core/devmem.h +++ b/net/core/devmem.h @@ -19,7 +19,13 @@ struct net_devmem_dmabuf_binding { struct dma_buf *dmabuf; struct dma_buf_attachment *attachment; struct sg_table *sgt; + /* Physical NIC that does the actual DMA for this binding. */ struct net_device *dev; + /* Opaque cookie identifying the virtual device (e.g. netkit) the user + * called bind-tx on. Used only for pointer comparison. Never + * dereferenced. + */ + void *vdev; struct gen_pool *chunk_pool; /* Protect dev */ struct mutex lock; @@ -84,7 +90,7 @@ struct dmabuf_genpool_chunk_owner { void __net_devmem_dmabuf_binding_free(struct work_struct *wq); struct net_devmem_dmabuf_binding * -net_devmem_bind_dmabuf(struct net_device *dev, +net_devmem_bind_dmabuf(struct net_device *dev, void *vdev, struct device *dma_dev, enum dma_data_direction direction, unsigned int dmabuf_fd, struct netdev_nl_sock *priv, @@ -165,7 +171,7 @@ static inline void net_devmem_put_net_iov(struct net_iov *niov) } static inline struct net_devmem_dmabuf_binding * -net_devmem_bind_dmabuf(struct net_device *dev, +net_devmem_bind_dmabuf(struct net_device *dev, void *vdev, struct device *dma_dev, enum dma_data_direction direction, unsigned int dmabuf_fd, |