[PATCH net-next 1/3] stmmac: use XDP helpers

From: Matteo Croce
Date: Fri May 14 2021 - 14:40:41 EST


From: Matteo Croce <mcroce@xxxxxxxxxxxxx>

Make use of the xdp_{init,prepare}_buff() helpers instead of
an open-coded version.

Signed-off-by: Matteo Croce <mcroce@xxxxxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 345b4c6d1fd4..bf9fe25fed69 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5167,12 +5167,9 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
dma_sync_single_for_cpu(priv->device, buf->addr,
buf1_len, dma_dir);

- xdp.data = page_address(buf->page) + buf->page_offset;
- xdp.data_end = xdp.data + buf1_len;
- xdp.data_hard_start = page_address(buf->page);
- xdp_set_data_meta_invalid(&xdp);
- xdp.frame_sz = buf_sz;
- xdp.rxq = &rx_q->xdp_rxq;
+ xdp_init_buff(&xdp, buf_sz, &rx_q->xdp_rxq);
+ xdp_prepare_buff(&xdp, page_address(buf->page),
+ buf->page_offset, buf1_len, false);

pre_len = xdp.data_end - xdp.data_hard_start -
buf->page_offset;
--
2.31.1