aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch
diff options
context:
space:
mode:
authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
downloadupstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz
upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2
upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch
new file mode 100644
index 0000000000..b33975b306
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/809-jailhouse-0014-ivshmem-net-set-and-check-descriptor-flags.patch
@@ -0,0 +1,39 @@
+From 3661172f5786a3d2ebe1d2244f1f08a95e1cfd09 Mon Sep 17 00:00:00 2001
+From: Henning Schild <henning.schild@siemens.com>
+Date: Mon, 18 Sep 2017 18:02:11 +0200
+Subject: [PATCH] ivshmem-net: set and check descriptor flags
+
+We do not support the use of any flags. Make sure the remote does not
+confuse us using flags.
+
+Signed-off-by: Henning Schild <henning.schild@siemens.com>
+[Jan: Remove wrong removal of next field initialization]
+Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
+(cherry picked from commit 986d58d84245e023a1a66ab6495b354b6b8cd2f0)
+---
+ drivers/net/ivshmem-net.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/drivers/net/ivshmem-net.c
++++ b/drivers/net/ivshmem-net.c
+@@ -123,8 +123,12 @@ static void *ivshm_net_desc_data(struct
+ {
+ u64 offs = READ_ONCE(desc->addr);
+ u32 dlen = READ_ONCE(desc->len);
++ u16 flags = READ_ONCE(desc->flags);
+ void *data;
+
++ if (flags)
++ return NULL;
++
+ if (offs >= in->shmlen)
+ return NULL;
+
+@@ -317,6 +321,7 @@ static int ivshm_net_tx_frame(struct net
+
+ desc->addr = buf - in->shm;
+ desc->len = skb->len;
++ desc->flags = 0;
+
+ avail = tx->last_avail_idx++ & (vr->num - 1);
+ vr->avail->ring[avail] = desc_idx;