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Merge branch 'stmmac-some-xdp-fixes-in-xdp_tx-path'

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Lorenzo Bianconi says:

====================
stmmac: some XDP fixes in XDP_TX path

- Fix page address lookup for compound pages in XDP_TX path.
- Disable TX checksum offload for jumbo frames in XDP_TX path.
====================

Link: https://patch.msgid.link/20261012-stmmac-xdp-tx-pre-fixes-v1-0-05fd0c90f7e1@oss.qualcomm.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Paolo Abeni 2026-10-19 15:40:40 +02:00
commit da499b5527
1 changed files with 9 additions and 1 deletions
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10
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -5278,6 +5278,14 @@ static int stmmac_xdp_xmit_xdpf(struct stmmac_priv *priv, int queue,
return STMMAC_XDP_CONSUMED;
}
/* Disable TX checksum offload for jumbo frames on cores where
* checksum insertion is broken for oversized frames, matching the
* stmmac_fix_features() workaround used by the skb path.
*/
if (priv->plat->bugged_jumbo &&
xdp_get_frame_len(xdpf) > ETH_FRAME_LEN)
csum = false;
while (true) {
skb_frag_t *frag = i ? &sinfo->frags[i - 1] : NULL;
int len = frag ? skb_frag_size(frag) : xdpf->len;
@ -5303,7 +5311,7 @@ static int stmmac_xdp_xmit_xdpf(struct stmmac_priv *priv, int queue,
struct page *page;
page = frag ? skb_frag_page(frag)
: virt_to_page(xdpf->data);
: virt_to_head_page(xdpf->data);
dma_addr = page_pool_get_dma_addr(page);
if (frag)
dma_addr += skb_frag_off(frag);