diff options
Diffstat (limited to 'drivers/net/ethernet/socionext/netsec.c')
| -rw-r--r-- | drivers/net/ethernet/socionext/netsec.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index b5a9e947a4a8..6870a6ce76a6 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -243,6 +243,7 @@ NET_IP_ALIGN) #define NETSEC_RX_BUF_NON_DATA (NETSEC_RXBUF_HEADROOM + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) +#define NETSEC_RX_BUF_SIZE (PAGE_SIZE - NETSEC_RX_BUF_NON_DATA) #define DESC_SZ sizeof(struct netsec_de) @@ -719,7 +720,6 @@ static void *netsec_alloc_rx_data(struct netsec_priv *priv, { struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX]; - enum dma_data_direction dma_dir; struct page *page; page = page_pool_dev_alloc_pages(dring->page_pool); @@ -734,9 +734,7 @@ static void *netsec_alloc_rx_data(struct netsec_priv *priv, /* Make sure the incoming payload fits in the page for XDP and non-XDP * cases and reserve enough space for headroom + skb_shared_info */ - *desc_len = PAGE_SIZE - NETSEC_RX_BUF_NON_DATA; - dma_dir = page_pool_get_dma_dir(dring->page_pool); - dma_sync_single_for_device(priv->dev, *dma_handle, *desc_len, dma_dir); + *desc_len = NETSEC_RX_BUF_SIZE; return page_address(page); } @@ -883,6 +881,8 @@ static u32 netsec_xdp_xmit_back(struct netsec_priv *priv, struct xdp_buff *xdp) static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog, struct xdp_buff *xdp) { + struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX]; + unsigned int len = xdp->data_end - xdp->data; u32 ret = NETSEC_XDP_PASS; int err; u32 act; @@ -896,7 +896,9 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog, case XDP_TX: ret = netsec_xdp_xmit_back(priv, xdp); if (ret != NETSEC_XDP_TX) - xdp_return_buff(xdp); + __page_pool_put_page(dring->page_pool, + virt_to_head_page(xdp->data), + len, true); break; case XDP_REDIRECT: err = xdp_do_redirect(priv->ndev, xdp, prog); @@ -904,7 +906,9 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog, ret = NETSEC_XDP_REDIR; } else { ret = NETSEC_XDP_CONSUMED; - xdp_return_buff(xdp); + __page_pool_put_page(dring->page_pool, + virt_to_head_page(xdp->data), + len, true); } break; default: @@ -915,7 +919,9 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog, /* fall through -- handle aborts by dropping packet */ case XDP_DROP: ret = NETSEC_XDP_CONSUMED; - xdp_return_buff(xdp); + __page_pool_put_page(dring->page_pool, + virt_to_head_page(xdp->data), + len, true); break; } @@ -1014,7 +1020,8 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) * cache state. Since we paid the allocation cost if * building an skb fails try to put the page into cache */ - page_pool_recycle_direct(dring->page_pool, page); + __page_pool_put_page(dring->page_pool, page, + pkt_len, true); netif_err(priv, drv, priv->ndev, "rx failed to build skb\n"); break; @@ -1272,17 +1279,19 @@ static int netsec_setup_rx_dring(struct netsec_priv *priv) { struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX]; struct bpf_prog *xdp_prog = READ_ONCE(priv->xdp_prog); - struct page_pool_params pp_params = { 0 }; + struct page_pool_params pp_params = { + .order = 0, + /* internal DMA mapping in page_pool */ + .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV, + .pool_size = DESC_NUM, + .nid = NUMA_NO_NODE, + .dev = priv->dev, + .dma_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE, + .offset = NETSEC_RXBUF_HEADROOM, + .max_len = NETSEC_RX_BUF_SIZE, + }; int i, err; - pp_params.order = 0; - /* internal DMA mapping in page_pool */ - pp_params.flags = PP_FLAG_DMA_MAP; - pp_params.pool_size = DESC_NUM; - pp_params.nid = NUMA_NO_NODE; - pp_params.dev = priv->dev; - pp_params.dma_dir = xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; - dring->page_pool = page_pool_create(&pp_params); if (IS_ERR(dring->page_pool)) { err = PTR_ERR(dring->page_pool); |