layerscape: add patches-5.4
[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 701-net-0010-dpaa_eth-ls1043a-errata-check-if-the-skb-is-linear-a.patch
diff --git a/target/linux/layerscape/patches-5.4/701-net-0010-dpaa_eth-ls1043a-errata-check-if-the-skb-is-linear-a.patch b/target/linux/layerscape/patches-5.4/701-net-0010-dpaa_eth-ls1043a-errata-check-if-the-skb-is-linear-a.patch
new file mode 100644 (file)
index 0000000..e601766
--- /dev/null
@@ -0,0 +1,31 @@
+From 62fbf7ebdc28867ae613c3be9c62b30bc36edb1d Mon Sep 17 00:00:00 2001
+From: Camelia Groza <camelia.groza@nxp.com>
+Date: Mon, 27 Feb 2017 17:35:24 +0200
+Subject: [PATCH] dpaa_eth: ls1043a errata: check if the skb is linear after 4k
+ splitting
+
+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
+@@ -993,7 +993,7 @@ int __hot dpa_tx_extended(struct sk_buff
+       struct dpa_percpu_priv_s *percpu_priv;
+       struct rtnl_link_stats64 *percpu_stats;
+       int err = 0;
+-      const bool nonlinear = skb_is_nonlinear(skb);
++      bool nonlinear;
+       int *countptr, offset = 0;
+       priv = netdev_priv(net_dev);
+@@ -1023,6 +1023,8 @@ int __hot dpa_tx_extended(struct sk_buff
+       }
+ #endif
++      nonlinear = skb_is_nonlinear(skb);
++
+       /* MAX_SKB_FRAGS is larger than our DPA_SGT_MAX_ENTRIES; make sure
+        * we don't feed FMan with more fragments than it supports.
+        * Btw, we're using the first sgt entry to store the linear part of