From 3532c45dc451d2bb7d88a33a554a86422828c9aa Mon Sep 17 00:00:00 2001 From: Camelia Groza Date: Thu, 13 Jul 2017 17:26:02 +0300 Subject: [PATCH] sdk_dpaa: ls1043a errata: resplit the skb after copy Signed-off-by: Camelia Groza --- drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c @@ -1016,6 +1016,7 @@ int __hot dpa_tx_extended(struct sk_buff #endif /* CONFIG_FSL_DPAA_TS */ #ifndef CONFIG_PPC +resplit_4k: if (unlikely(dpaa_errata_a010022)) { skb = split_skb_at_4k_boundaries(skb); if (!skb) @@ -1062,6 +1063,10 @@ int __hot dpa_tx_extended(struct sk_buff struct sk_buff *nskb = skb_copy(skb, GFP_ATOMIC); kfree_skb(skb); skb = nskb; +#ifndef CONFIG_PPC + if (unlikely(dpaa_errata_a010022)) + goto resplit_4k; +#endif /* skb_copy() has now linearized the skbuff. */ } else if (unlikely(nonlinear)) { /* We are here because the egress skb contains