From 7c96998ebc8cc9c71216b80de3f77114f29b148a Mon Sep 17 00:00:00 2001 From: Camelia Groza Date: Mon, 17 Sep 2018 12:39:24 +0300 Subject: [PATCH] sdk_dpaa: ls1043a errata: align skb_shinfo Make sure the skb shared info is cache-line aligned when realigning egress frames. Signed-off-by: Camelia Groza --- drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c @@ -830,8 +830,10 @@ static struct sk_buff *a010022_realign_s /* For the new skb we only need the old one's data (both non-paged and * paged). We can skip the old tailroom. + * + * Make sure the skb_shinfo is cache-line aligned. */ - nsize = headroom + skb->len + + nsize = SMP_CACHE_BYTES + DPA_SKB_SIZE(headroom + skb->len) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); /* Reserve enough memory to accommodate Jumbo frames */