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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, ian.stokes@intel.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH 1/4] net/vhost: remove dequeue zero-copy support
Date: Tue, 15 Sep 2020 15:35:55 +0200
Message-ID: <20200915133558.210639-2-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20200915133558.210639-1-maxime.coquelin@redhat.com>

The dequeue zero-copy feature from the Vhost library is
being removed in this release, this patch remove its support
in the Vhost PMD.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 drivers/net/vhost/rte_eth_vhost.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index e55278af69..b8f0072361 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -29,7 +29,6 @@ enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
 #define ETH_VHOST_IFACE_ARG		"iface"
 #define ETH_VHOST_QUEUES_ARG		"queues"
 #define ETH_VHOST_CLIENT_ARG		"client"
-#define ETH_VHOST_DEQUEUE_ZERO_COPY	"dequeue-zero-copy"
 #define ETH_VHOST_IOMMU_SUPPORT		"iommu-support"
 #define ETH_VHOST_POSTCOPY_SUPPORT	"postcopy-support"
 #define ETH_VHOST_VIRTIO_NET_F_HOST_TSO "tso"
@@ -41,7 +40,6 @@ static const char *valid_arguments[] = {
 	ETH_VHOST_IFACE_ARG,
 	ETH_VHOST_QUEUES_ARG,
 	ETH_VHOST_CLIENT_ARG,
-	ETH_VHOST_DEQUEUE_ZERO_COPY,
 	ETH_VHOST_IOMMU_SUPPORT,
 	ETH_VHOST_POSTCOPY_SUPPORT,
 	ETH_VHOST_VIRTIO_NET_F_HOST_TSO,
@@ -1501,7 +1499,6 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
 	uint64_t flags = 0;
 	uint64_t disable_flags = 0;
 	int client_mode = 0;
-	int dequeue_zero_copy = 0;
 	int iommu_support = 0;
 	int postcopy_support = 0;
 	int tso = 0;
@@ -1561,16 +1558,6 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
 			flags |= RTE_VHOST_USER_CLIENT;
 	}
 
-	if (rte_kvargs_count(kvlist, ETH_VHOST_DEQUEUE_ZERO_COPY) == 1) {
-		ret = rte_kvargs_process(kvlist, ETH_VHOST_DEQUEUE_ZERO_COPY,
-					 &open_int, &dequeue_zero_copy);
-		if (ret < 0)
-			goto out_free;
-
-		if (dequeue_zero_copy)
-			flags |= RTE_VHOST_USER_DEQUEUE_ZERO_COPY;
-	}
-
 	if (rte_kvargs_count(kvlist, ETH_VHOST_IOMMU_SUPPORT) == 1) {
 		ret = rte_kvargs_process(kvlist, ETH_VHOST_IOMMU_SUPPORT,
 					 &open_int, &iommu_support);
-- 
2.26.2


  reply	other threads:[~2020-09-15 13:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15 13:35 [dpdk-dev] [PATCH 0/4] pick Maxime Coquelin
2020-09-15 13:35 ` Maxime Coquelin [this message]
2020-09-23  5:41   ` [dpdk-dev] [PATCH 1/4] net/vhost: remove dequeue zero-copy support Xia, Chenbo
2020-09-15 13:35 ` [dpdk-dev] [PATCH 2/4] examples/vhost_crypto: use vhost async-copy flag Maxime Coquelin
2020-09-23  5:43   ` Xia, Chenbo
2020-09-15 13:35 ` [dpdk-dev] [PATCH 3/4] examples/vhost: remove dequeue zero-copy support Maxime Coquelin
2020-09-23  5:43   ` Xia, Chenbo
2020-09-15 13:35 ` [dpdk-dev] [PATCH 4/4] vhost: " Maxime Coquelin
2020-09-23  5:44   ` Xia, Chenbo
2020-09-15 13:41 ` [dpdk-dev] [PATCH 0/4] vhost: remove dequeue zero-copy support (was: pick) Maxime Coquelin

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