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path: root/drivers/net/ethernet/intel/libeth/rx.c
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Diffstat (limited to 'drivers/net/ethernet/intel/libeth/rx.c')
-rw-r--r--drivers/net/ethernet/intel/libeth/rx.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/libeth/rx.c b/drivers/net/ethernet/intel/libeth/rx.c
index 2afa6e33f160..62521a1f4ec9 100644
--- a/drivers/net/ethernet/intel/libeth/rx.c
+++ b/drivers/net/ethernet/intel/libeth/rx.c
@@ -72,7 +72,7 @@ static u32 libeth_rx_hw_len_truesize(const struct page_pool_params *pp,
static bool libeth_rx_page_pool_params(struct libeth_fq *fq,
struct page_pool_params *pp)
{
- pp->offset = LIBETH_SKB_HEADROOM;
+ pp->offset = fq->xdp ? LIBETH_XDP_HEADROOM : LIBETH_SKB_HEADROOM;
/* HW-writeable / syncable length per one page */
pp->max_len = LIBETH_RX_PAGE_LEN(pp->offset);
@@ -159,11 +159,12 @@ int libeth_rx_fq_create(struct libeth_fq *fq, struct napi_struct *napi)
.dev = napi->dev->dev.parent,
.netdev = napi->dev,
.napi = napi,
- .dma_dir = DMA_FROM_DEVICE,
};
struct libeth_fqe *fqes;
struct page_pool *pool;
- bool ret;
+ int ret;
+
+ pp.dma_dir = fq->xdp ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
if (!fq->hsplit)
ret = libeth_rx_page_pool_params(fq, &pp);
@@ -177,18 +178,26 @@ int libeth_rx_fq_create(struct libeth_fq *fq, struct napi_struct *napi)
return PTR_ERR(pool);
fqes = kvcalloc_node(fq->count, sizeof(*fqes), GFP_KERNEL, fq->nid);
- if (!fqes)
+ if (!fqes) {
+ ret = -ENOMEM;
goto err_buf;
+ }
+
+ ret = xdp_reg_page_pool(pool);
+ if (ret)
+ goto err_mem;
fq->fqes = fqes;
fq->pp = pool;
return 0;
+err_mem:
+ kvfree(fqes);
err_buf:
page_pool_destroy(pool);
- return -ENOMEM;
+ return ret;
}
EXPORT_SYMBOL_GPL(libeth_rx_fq_create);
@@ -198,6 +207,7 @@ EXPORT_SYMBOL_GPL(libeth_rx_fq_create);
*/
void libeth_rx_fq_destroy(struct libeth_fq *fq)
{
+ xdp_unreg_page_pool(fq->pp);
kvfree(fq->fqes);
page_pool_destroy(fq->pp);
}