patches for DPDK stable branches
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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, david.marchand@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>, stable@dpdk.org
Subject: [PATCH] net/vhost: fix TSO feature default disablement
Date: Fri, 22 Apr 2022 11:35:43 +0200
Message-ID: <20220422093543.386475-1-maxime.coquelin@redhat.com> (raw)

By default, TSO feature should be disabled because it requires
application's support to be functionnal as mentionned in the
documentation.

However, if "tso" devarg was not specified, the feature did
not get disabled.

This patch fixes this issue, so that TSO is disabled, even if
"tso=0" is not passed as devarg.

Fixes: e289400669d5 ("net/vhost: support TSO disabling")
Cc: stable@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 drivers/net/vhost/rte_eth_vhost.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 070f0e6dfd..19c80044c8 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1643,11 +1643,11 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
 				&open_int, &tso);
 		if (ret < 0)
 			goto out_free;
+	}
 
-		if (tso == 0) {
-			disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO4);
-			disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO6);
-		}
+	if (tso == 0) {
+		disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO4);
+		disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO6);
 	}
 
 	if (rte_kvargs_count(kvlist, ETH_VHOST_LINEAR_BUF) == 1) {
-- 
2.35.1


             reply	other threads:[~2022-04-22  9:35 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-22  9:35 Maxime Coquelin [this message]
2022-05-02 11:28 ` David Marchand
2022-05-05 19:56 ` Maxime Coquelin

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