aboutsummaryrefslogtreecommitdiffstats
path: root/net/core/page_pool.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/page_pool.c')
-rw-r--r--net/core/page_pool.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index f5e908c9e7ad..d632cf2c91c3 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -13,6 +13,7 @@
#include <net/netdev_rx_queue.h>
#include <net/page_pool/helpers.h>
+#include <net/page_pool/memory_provider.h>
#include <net/xdp.h>
#include <linux/dma-direction.h>
@@ -285,13 +286,19 @@ static int page_pool_init(struct page_pool *pool,
rxq = __netif_get_rx_queue(pool->slow.netdev,
pool->slow.queue_idx);
pool->mp_priv = rxq->mp_params.mp_priv;
+ pool->mp_ops = rxq->mp_params.mp_ops;
}
- if (pool->mp_priv) {
+ if (pool->mp_ops) {
if (!pool->dma_map || !pool->dma_sync)
return -EOPNOTSUPP;
- err = mp_dmabuf_devmem_init(pool);
+ if (WARN_ON(!is_kernel_rodata((unsigned long)pool->mp_ops))) {
+ err = -EFAULT;
+ goto free_ptr_ring;
+ }
+
+ err = pool->mp_ops->init(pool);
if (err) {
pr_warn("%s() mem-provider init failed %d\n", __func__,
err);
@@ -587,8 +594,8 @@ netmem_ref page_pool_alloc_netmems(struct page_pool *pool, gfp_t gfp)
return netmem;
/* Slow-path: cache empty, do real allocation */
- if (static_branch_unlikely(&page_pool_mem_providers) && pool->mp_priv)
- netmem = mp_dmabuf_devmem_alloc_netmems(pool, gfp);
+ if (static_branch_unlikely(&page_pool_mem_providers) && pool->mp_ops)
+ netmem = pool->mp_ops->alloc_netmems(pool, gfp);
else
netmem = __page_pool_alloc_pages_slow(pool, gfp);
return netmem;
@@ -679,8 +686,8 @@ void page_pool_return_page(struct page_pool *pool, netmem_ref netmem)
bool put;
put = true;
- if (static_branch_unlikely(&page_pool_mem_providers) && pool->mp_priv)
- put = mp_dmabuf_devmem_release_page(pool, netmem);
+ if (static_branch_unlikely(&page_pool_mem_providers) && pool->mp_ops)
+ put = pool->mp_ops->release_netmem(pool, netmem);
else
__page_pool_release_page_dma(pool, netmem);
@@ -1048,8 +1055,8 @@ static void __page_pool_destroy(struct page_pool *pool)
page_pool_unlist(pool);
page_pool_uninit(pool);
- if (pool->mp_priv) {
- mp_dmabuf_devmem_destroy(pool);
+ if (pool->mp_ops) {
+ pool->mp_ops->destroy(pool);
static_branch_dec(&page_pool_mem_providers);
}