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-rw-r--r--drivers/net/ethernet/qlogic/qede/qede.h9
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_fp.c17
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_main.c8
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;