diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0081-sdk_dpaa-ls1043a-errata-align-skb_shinfo.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0081-sdk_dpaa-ls1043a-errata-align-skb_shinfo.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0081-sdk_dpaa-ls1043a-errata-align-skb_shinfo.patch b/target/linux/layerscape/patches-5.4/701-net-0081-sdk_dpaa-ls1043a-errata-align-skb_shinfo.patch new file mode 100644 index 0000000000..3c224c62a4 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0081-sdk_dpaa-ls1043a-errata-align-skb_shinfo.patch @@ -0,0 +1,27 @@ +From 7c96998ebc8cc9c71216b80de3f77114f29b148a Mon Sep 17 00:00:00 2001 +From: Camelia Groza <camelia.groza@nxp.com> +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 <camelia.groza@nxp.com> +--- + 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 */ |