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!279 [sync] PR-278: fix virtio hardthrough scenes device init bug

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From: @openeuler-sync-bot 
Reviewed-by: @LemmyHuang 
Signed-off-by: @LemmyHuang
This commit is contained in:
openeuler-ci-bot 2023-01-16 03:36:19 +00:00 committed by Gitee
commit 17bf7ef373
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GPG Key ID: 173E9B9CA92EEF8F
2 changed files with 50 additions and 1 deletions
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6
dpdk.spec
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@ -1,6 +1,6 @@
Name: dpdk
Version: 19.11
Release: 24
Release: 25
Packager: packaging@6wind.com
URL: http://dpdk.org
%global source_version 19.11
@ -53,6 +53,7 @@ Patch6004: backport-gro-fix-chain-index-for-more-than-2-packets.patch
Patch6005: backport-gro-trim-tail-padding-bytes.patch
Patch6006: backport-gro-check-payload-length-after-trim.patch
Patch6007: backport-net-hinic-fix-crash-in-secondary-process.patch
Patch6008: fix-virtio-hardthrough-scenes-device-init-bug.patch
Summary: Data Plane Development Kit core
Group: System Environment/Libraries
@ -222,6 +223,9 @@ strip -g $RPM_BUILD_ROOT/lib/modules/${namer}/extra/dpdk/rte_kni.ko
/usr/sbin/depmod
%changelog
* Sat Dec 3 2022 wangzongchao <wangzongchao@huawei.com> - 19.11-25
- fix the virtio hardthrough scenes device init bug
* Tue Nov 15 2022 jiangheng <jiangheng14@huawei.com> - 19.11-24
- proc-info: build gazelle-proc-info for gazelle

45
fix-virtio-hardthrough-scenes-device-init-bug.patch Normal file
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@ -0,0 +1,45 @@
From c168e40a0b80b02976ed1698339bc5182b2c0f39 Mon Sep 17 00:00:00 2001
From: root <wangzongchao@huawei.com>
Date: Sat, 3 Dec 2022 15:13:22 +0800
Subject: [PATCH] fix virtio hardthrough scenes device init bug
---
drivers/net/virtio/virtio_ethdev.c | 1 +
drivers/net/virtio/virtio_pci.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 89e4c23..b54abe5 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1331,6 +1331,7 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features)
req_features);
/* Read device(host) feature bits */
+ usleep(3000);
host_features = VTPCI_OPS(hw)->get_features(hw);
PMD_INIT_LOG(DEBUG, "host_features before negotiate = %" PRIx64,
host_features);
diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 4468e89..2fade8f 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -2,6 +2,7 @@
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdint.h>
+#include <unistd.h>
#ifdef RTE_EXEC_ENV_LINUX
#include <dirent.h>
@@ -472,6 +473,7 @@ vtpci_reset(struct virtio_hw *hw)
{
VTPCI_OPS(hw)->set_status(hw, VIRTIO_CONFIG_STATUS_RESET);
/* flush status write */
+ usleep(1000);
VTPCI_OPS(hw)->get_status(hw);
}
--
2.27.0