blob: a9512cc808a1567afd691f535012db9a648eb6d4 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001From 3532c45dc451d2bb7d88a33a554a86422828c9aa Mon Sep 17 00:00:00 2001
2From: Camelia Groza <camelia.groza@nxp.com>
3Date: Thu, 13 Jul 2017 17:26:02 +0300
4Subject: [PATCH] sdk_dpaa: ls1043a errata: resplit the skb after copy
5
6Signed-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