diff options
-rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede.h | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_fp.c | 17 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_main.c | 8 |
3 files changed, 20 insertions, 14 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index e73a4a5165ee..7ab2201a43b2 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -349,6 +349,11 @@ struct sw_tx_bd { #define QEDE_TSO_SPLIT_BD BIT(0) }; +struct sw_tx_xdp { + struct page *page; + dma_addr_t mapping; +}; + struct qede_tx_queue { u8 is_xdp; bool is_legacy; @@ -372,11 +377,11 @@ struct qede_tx_queue { #define QEDE_TXQ_IDX_TO_XDP(edev, idx) ((idx) + QEDE_MAX_TSS_CNT(edev)) /* Regular Tx requires skb + metadata for release purpose, - * while XDP requires only the pages themselves. + * while XDP requires the pages and the mapped address. */ union { struct sw_tx_bd *skbs; - struct page **pages; + struct sw_tx_xdp *xdp; } sw_tx_ring; struct qed_chain tx_pbl; diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index c77e6972ab48..c61cfcfbbd56 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -360,7 +360,8 @@ static int qede_xdp_xmit(struct qede_dev *edev, struct qede_fastpath *fp, metadata->mapping + padding, length, PCI_DMA_TODEVICE); - txq->sw_tx_ring.pages[idx] = metadata->data; + txq->sw_tx_ring.xdp[idx].page = metadata->data; + txq->sw_tx_ring.xdp[idx].mapping = metadata->mapping; txq->sw_tx_prod++; /* Mark the fastpath for future XDP doorbell */ @@ -384,19 +385,19 @@ int qede_txq_has_work(struct qede_tx_queue *txq) static void qede_xdp_tx_int(struct qede_dev *edev, struct qede_tx_queue *txq) { - struct eth_tx_1st_bd *bd; - u16 hw_bd_cons; + u16 hw_bd_cons, idx; hw_bd_cons = le16_to_cpu(*txq->hw_cons_ptr); barrier(); while (hw_bd_cons != qed_chain_get_cons_idx(&txq->tx_pbl)) { - bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl); + qed_chain_consume(&txq->tx_pbl); + idx = txq->sw_tx_cons & NUM_TX_BDS_MAX; - dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(bd), - PAGE_SIZE, DMA_BIDIRECTIONAL); - __free_page(txq->sw_tx_ring.pages[txq->sw_tx_cons & - NUM_TX_BDS_MAX]); + dma_unmap_page(&edev->pdev->dev, + txq->sw_tx_ring.xdp[idx].mapping, + PAGE_SIZE, DMA_BIDIRECTIONAL); + __free_page(txq->sw_tx_ring.xdp[idx].page); txq->sw_tx_cons++; txq->xmit_pkts++; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index abd99109e532..fa62c37dac7a 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1251,7 +1251,7 @@ static void qede_free_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) { /* Free the parallel SW ring */ if (txq->is_xdp) - kfree(txq->sw_tx_ring.pages); + kfree(txq->sw_tx_ring.xdp); else kfree(txq->sw_tx_ring.skbs); @@ -1269,9 +1269,9 @@ static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) /* Allocate the parallel driver ring for Tx buffers */ if (txq->is_xdp) { - size = sizeof(*txq->sw_tx_ring.pages) * TX_RING_SIZE; - txq->sw_tx_ring.pages = kzalloc(size, GFP_KERNEL); - if (!txq->sw_tx_ring.pages) + size = sizeof(*txq->sw_tx_ring.xdp) * TX_RING_SIZE; + txq->sw_tx_ring.xdp = kzalloc(size, GFP_KERNEL); + if (!txq->sw_tx_ring.xdp) goto err; } else { size = sizeof(*txq->sw_tx_ring.skbs) * TX_RING_SIZE; |