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authorRoger Quadros <rogerq@kernel.org>2025-02-10 16:52:17 +0200
committerJakub Kicinski <kuba@kernel.org>2025-02-12 20:12:59 -0800
commit4542536f664f752db5feba2c5998b165933c34f2 (patch)
treecb621e10542714c058683b50a2114c8423c225fb
parent8a9f82ff15da03a6804cdd6557fb36ff71c0924f (diff)
net: ethernet: ti: am65_cpsw: fix tx_cleanup for XDP case
For XDP transmit case, swdata doesn't contain SKB but the XDP Frame. Infer the correct swdata based on buffer type and return the XDP Frame for XDP transmit case. Signed-off-by: Roger Quadros <rogerq@kernel.org> Fixes: 8acacc40f733 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support") Link: https://patch.msgid.link/20250210-am65-cpsw-xdp-fixes-v1-3-ec6b1f7f1aca@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/ti/am65-cpsw-nuss.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 38f3be310928..2806238629f8 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -828,16 +828,24 @@ static void am65_cpsw_nuss_xmit_free(struct am65_cpsw_tx_chn *tx_chn,
static void am65_cpsw_nuss_tx_cleanup(void *data, dma_addr_t desc_dma)
{
struct am65_cpsw_tx_chn *tx_chn = data;
+ enum am65_cpsw_tx_buf_type buf_type;
struct cppi5_host_desc_t *desc_tx;
+ struct xdp_frame *xdpf;
struct sk_buff *skb;
void **swdata;
desc_tx = k3_cppi_desc_pool_dma2virt(tx_chn->desc_pool, desc_dma);
swdata = cppi5_hdesc_get_swdata(desc_tx);
- skb = *(swdata);
- am65_cpsw_nuss_xmit_free(tx_chn, desc_tx);
+ buf_type = am65_cpsw_nuss_buf_type(tx_chn, desc_dma);
+ if (buf_type == AM65_CPSW_TX_BUF_TYPE_SKB) {
+ skb = *(swdata);
+ dev_kfree_skb_any(skb);
+ } else {
+ xdpf = *(swdata);
+ xdp_return_frame(xdpf);
+ }
- dev_kfree_skb_any(skb);
+ am65_cpsw_nuss_xmit_free(tx_chn, desc_tx);
}
static struct sk_buff *am65_cpsw_build_skb(void *page_addr,