From e3c77d0a1b635d114c147fd2078afb57ed558b81 Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Mon, 3 Apr 2023 19:30:25 +0100
Subject: [PATCH 2/5] net: mvneta: mark mapped and tso buffers separately
Mark dma-mapped skbs and TSO buffers separately, so we can use
buf->type to identify their differences.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
drivers/net/ethernet/marvell/mvneta.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -607,6 +607,7 @@ struct mvneta_rx_desc {
#endif
enum mvneta_tx_buf_type {
+ MVNETA_TYPE_TSO,
MVNETA_TYPE_SKB,
MVNETA_TYPE_XDP_TX,
MVNETA_TYPE_XDP_NDO,
@@ -1852,7 +1853,8 @@ static void mvneta_txq_bufs_free(struct
dma_unmap_single(pp->dev->dev.parent,
tx_desc->buf_phys_addr,
tx_desc->data_size, DMA_TO_DEVICE);
- if (buf->type == MVNETA_TYPE_SKB && buf->skb) {
+ if ((buf->type == MVNETA_TYPE_TSO ||
+ buf->type == MVNETA_TYPE_SKB) && buf->skb) {
bytes_compl += buf->skb->len;
pkts_compl++;
dev_kfree_skb_any(buf->skb);
@@ -2607,7 +2609,7 @@ mvneta_tso_put_hdr(struct sk_buff *skb,
tx_desc->command |= MVNETA_TXD_F_DESC;
tx_desc->buf_phys_addr = txq->tso_hdrs_phys +
txq->txq_put_index * TSO_HEADER_SIZE;
- buf->type = MVNETA_TYPE_SKB;
+ buf->type = MVNETA_TYPE_TSO;
buf->skb = NULL;
mvneta_txq_inc_put(txq);