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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
	Tiwei Bie <tiwei.bie@intel.com>,
	Zhihong Wang <zhihong.wang@intel.com>
Cc: <dev@dpdk.org>, Dilshod Urazov <Dilshod.Urazov@oktetlabs.ru>,
	<stable@dpdk.org>
Subject: [dpdk-dev] [PATCH 2/3] net/virtio: reject deferred start Tx queue setup
Date: Tue, 1 Oct 2019 16:44:30 +0100
Message-ID: <1569944672-24754-2-git-send-email-arybchenko@solarflare.com> (raw)
In-Reply-To: <1569944672-24754-1-git-send-email-arybchenko@solarflare.com>

From: Dilshod Urazov <Dilshod.Urazov@oktetlabs.ru>

Deferred start Tx queue is not supported by the driver.

Fixes: 0748be2cf9a2 ("ethdev: queue start and stop")
Cc: stable@dpdk.org

Signed-off-by: Dilshod Urazov <Dilshod.Urazov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/virtio/virtio_rxtx.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 9c8c617f7..af3f350a8 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -1057,6 +1057,11 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
 
 	PMD_INIT_FUNC_TRACE();
 
+	if (tx_conf->tx_deferred_start) {
+		PMD_INIT_LOG(ERR, "Tx deferred start is not supported");
+		return -EINVAL;
+	}
+
 	if (nb_desc == 0 || nb_desc > vq->vq_nentries)
 		nb_desc = vq->vq_nentries;
 	vq->vq_free_cnt = RTE_MIN(vq->vq_free_cnt, nb_desc);
-- 
2.17.1


  reply index

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-01 15:44 [dpdk-dev] [PATCH 1/3] net/virtio: reject deferred start Rx " Andrew Rybchenko
2019-10-01 15:44 ` Andrew Rybchenko [this message]
2019-10-08  5:35   ` [dpdk-dev] [PATCH 2/3] net/virtio: reject deferred start Tx " Tiwei Bie
2019-10-01 15:44 ` [dpdk-dev] [PATCH 3/3] net/virtio: reject unsupported Rx multi queue modes Andrew Rybchenko
2019-10-08  5:46   ` Tiwei Bie
2019-10-09  8:04     ` Andrew Rybchenko
2019-10-09  8:43       ` Tiwei Bie
2019-10-09  9:00         ` Andrew Rybchenko
2019-10-09 10:41           ` Tiwei Bie
2019-10-09 11:24             ` Andrew Rybchenko
2019-10-10  7:42               ` Thomas Monjalon
2019-10-10  8:13                 ` Andrew Rybchenko
2019-10-10  8:23                   ` David Marchand
2019-10-10  8:27                     ` Andrew Rybchenko
2019-10-10  9:10                       ` Tiwei Bie
2019-10-01 16:29 ` [dpdk-dev] [PATCH 1/3] net/virtio: reject deferred start Rx queue setup Kevin Traynor
2019-10-01 16:39   ` Andrew Rybchenko
2019-10-09 12:32 ` [dpdk-dev] [PATCH v2 1/4] " Andrew Rybchenko
2019-10-09 12:32   ` [dpdk-dev] [PATCH v2 2/4] net/virtio: reject deferred start Tx " Andrew Rybchenko
2019-10-24  9:44     ` Maxime Coquelin
2019-10-09 12:32   ` [dpdk-dev] [PATCH v2 3/4] net/virtio: reject unsupported Rx multi queue modes Andrew Rybchenko
2019-10-24  9:44     ` Maxime Coquelin
2019-10-09 12:32   ` [dpdk-dev] [PATCH v2 4/4] net/virtio: reject unsupported Tx " Andrew Rybchenko
2019-10-24  9:44     ` Maxime Coquelin
2019-10-24  9:44   ` [dpdk-dev] [PATCH v2 1/4] net/virtio: reject deferred start Rx queue setup Maxime Coquelin
2019-10-24 10:19     ` Maxime Coquelin

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