On 12/7/23 5:52 PM, Mina Almasry wrote:
diff --git a/net/core/dev.c b/net/core/dev.c index b8c8be5a912e..30667e4c3b95 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2120,6 +2120,41 @@ static int netdev_restart_rx_queue(struct net_device *dev, int rxq_idx) return err; } +struct page_pool_iov *netdev_alloc_dmabuf(struct netdev_dmabuf_binding *binding) +{
- struct dmabuf_genpool_chunk_owner *owner;
- struct page_pool_iov *ppiov;
- unsigned long dma_addr;
- ssize_t offset;
- ssize_t index;
- dma_addr = gen_pool_alloc_owner(binding->chunk_pool, PAGE_SIZE,
Any reason not to allow allocation sizes other than PAGE_SIZE? e.g., 2048 for smaller MTUs or 8192 for larger ones. It can be a property of page_pool and constant across allocations vs allowing different size for each allocation.