| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From 3532c45dc451d2bb7d88a33a554a86422828c9aa Mon Sep 17 00:00:00 2001 |
| 2 | From: Camelia Groza <camelia.groza@nxp.com> |
| 3 | Date: Thu, 13 Jul 2017 17:26:02 +0300 |
| 4 | Subject: [PATCH] sdk_dpaa: ls1043a errata: resplit the skb after copy |
| 5 | |
| 6 | Signed-off-by: Camelia Groza <camelia.groza@nxp.com> |
| 7 | --- |
| 8 | drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 5 +++++ |
| 9 | 1 file changed, 5 insertions(+) |
| 10 | |
| 11 | --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c |
| 12 | +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c |
| 13 | @@ -1016,6 +1016,7 @@ int __hot dpa_tx_extended(struct sk_buff |
| 14 | #endif /* CONFIG_FSL_DPAA_TS */ |
| 15 | |
| 16 | #ifndef CONFIG_PPC |
| 17 | +resplit_4k: |
| 18 | if (unlikely(dpaa_errata_a010022)) { |
| 19 | skb = split_skb_at_4k_boundaries(skb); |
| 20 | if (!skb) |
| 21 | @@ -1062,6 +1063,10 @@ int __hot dpa_tx_extended(struct sk_buff |
| 22 | struct sk_buff *nskb = skb_copy(skb, GFP_ATOMIC); |
| 23 | kfree_skb(skb); |
| 24 | skb = nskb; |
| 25 | +#ifndef CONFIG_PPC |
| 26 | + if (unlikely(dpaa_errata_a010022)) |
| 27 | + goto resplit_4k; |
| 28 | +#endif |
| 29 | /* skb_copy() has now linearized the skbuff. */ |
| 30 | } else if (unlikely(nonlinear)) { |
| 31 | /* We are here because the egress skb contains |