mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-06-14 19:23:53 +02:00
cddd459140
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>
66 lines
1.9 KiB
Diff
66 lines
1.9 KiB
Diff
From ec72823546e39cd486360f44db16cf47f7e8f59e Mon Sep 17 00:00:00 2001
|
|
From: Henning Schild <henning.schild@siemens.com>
|
|
Date: Mon, 18 Sep 2017 18:02:08 +0200
|
|
Subject: [PATCH] ivshmem-net: fill in and check used descriptor chain len
|
|
|
|
We are using chains of len==1 make that explicit and expect that from
|
|
the remote.
|
|
|
|
Signed-off-by: Henning Schild <henning.schild@siemens.com>
|
|
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
|
|
(cherry picked from commit f958c360044184f58605815d428b83fe4329cafd)
|
|
---
|
|
drivers/net/ivshmem-net.c | 14 ++++++++------
|
|
1 file changed, 8 insertions(+), 6 deletions(-)
|
|
|
|
--- a/drivers/net/ivshmem-net.c
|
|
+++ b/drivers/net/ivshmem-net.c
|
|
@@ -335,10 +335,10 @@ static void ivshm_net_tx_clean(struct ne
|
|
{
|
|
struct ivshm_net *in = netdev_priv(ndev);
|
|
struct ivshm_net_queue *tx = &in->tx;
|
|
+ struct vring_used_elem *used;
|
|
struct vring *vr = &tx->vr;
|
|
struct vring_desc *desc;
|
|
struct vring_desc *fdesc;
|
|
- unsigned int used;
|
|
unsigned int num;
|
|
u16 used_idx;
|
|
u16 last;
|
|
@@ -358,13 +358,14 @@ static void ivshm_net_tx_clean(struct ne
|
|
u32 len;
|
|
u32 tail;
|
|
|
|
- used = vr->used->ring[last & (vr->num - 1)].id;
|
|
- if (used >= vr->num) {
|
|
- netdev_err(ndev, "invalid tx used %d\n", used);
|
|
+ used = vr->used->ring + (last % vr->num);
|
|
+ if (used->id >= vr->num || used->len != 1) {
|
|
+ netdev_err(ndev, "invalid tx used->id %d ->len %d\n",
|
|
+ used->id, used->len);
|
|
break;
|
|
}
|
|
|
|
- desc = &vr->desc[used];
|
|
+ desc = &vr->desc[used->id];
|
|
|
|
data = ivshm_net_desc_data(in, &in->tx, desc, &len);
|
|
if (!data) {
|
|
@@ -383,7 +384,7 @@ static void ivshm_net_tx_clean(struct ne
|
|
else
|
|
desc->next = fhead;
|
|
|
|
- fhead = used;
|
|
+ fhead = used->id;
|
|
last++;
|
|
num++;
|
|
}
|
|
@@ -433,6 +434,7 @@ static void ivshm_net_rx_finish(struct i
|
|
|
|
used = rx->last_used_idx++ & (vr->num - 1);
|
|
vr->used->ring[used].id = desc_id;
|
|
+ vr->used->ring[used].len = 1;
|
|
|
|
virt_store_release(&vr->used->idx, rx->last_used_idx);
|
|
}
|