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* [dpdk-dev] [PATCH] net/virtio: init MTU in case no control channel
@ 2017-10-26  3:09 wangzhike
  2017-11-07  3:44 ` Yuanhan Liu
  0 siblings, 1 reply; 10+ messages in thread
From: wangzhike @ 2017-10-26  3:09 UTC (permalink / raw)
  To: yliu, maxime.coquelin; +Cc: dev, wangzhike

The max_mtu is kept as zero in case no CRTL channel, which leads
to failure when calling virtio_mtu_set().

Signed-off-by: wangzhike <wangzhike@jd.com>
---
 drivers/net/virtio/virtio_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index bfbd737..823b3fd 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1474,6 +1474,8 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
 	} else {
 		PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
 		hw->max_queue_pairs = 1;
+		hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
+			VLAN_TAG_LEN - hw->vtnet_hdr_size;
 	}
 
 	ret = virtio_alloc_queues(eth_dev);
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 10+ messages in thread
* [dpdk-dev] [PATCH] net/virtio: init MTU in case no control channel
@ 2018-01-05  0:54 zhike wang
  2018-01-05  2:11 ` Yang, Zhiyong
  2018-01-05 10:25 ` Thomas Monjalon
  0 siblings, 2 replies; 10+ messages in thread
From: zhike wang @ 2018-01-05  0:54 UTC (permalink / raw)
  To: dev; +Cc: zhike wang

The max_mtu is kept as zero in case no CRTL channel, which leads
to failure when calling virtio_mtu_set().

Signed-off-by: zhike wang <wangzhike@jd.com>
---
 drivers/net/virtio/virtio_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 21f2131..b7b3364 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1479,6 +1479,8 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
 	} else {
 		PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
 		hw->max_queue_pairs = 1;
+		hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
+			VLAN_TAG_LEN - hw->vtnet_hdr_size;
 	}
 
 	ret = virtio_alloc_queues(eth_dev);
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 10+ messages in thread
* [dpdk-dev] [PATCH] net/virtio: init MTU in case no control channel
@ 2018-01-05 10:28 Zhike Wang
  2018-01-09 13:15 ` Yuanhan Liu
  0 siblings, 1 reply; 10+ messages in thread
From: Zhike Wang @ 2018-01-05 10:28 UTC (permalink / raw)
  To: dev; +Cc: zhike wang

From: zhike wang <wangzhike@jd.com>

The max_mtu is kept as zero in case no CRTL channel, which leads
to failure when calling virtio_mtu_set().

Signed-off-by: Zhike Wang <wangzhike@jd.com>
---
 drivers/net/virtio/virtio_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 21f2131..b7b3364 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1479,6 +1479,8 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
 	} else {
 		PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
 		hw->max_queue_pairs = 1;
+		hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
+			VLAN_TAG_LEN - hw->vtnet_hdr_size;
 	}
 
 	ret = virtio_alloc_queues(eth_dev);
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2018-01-09 13:15 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-10-26  3:09 [dpdk-dev] [PATCH] net/virtio: init MTU in case no control channel wangzhike
2017-11-07  3:44 ` Yuanhan Liu
2017-11-12 18:45   ` Thomas Monjalon
2018-01-04 15:16     ` Maxime Coquelin
2018-01-05  1:00       ` 王志克
2018-01-05  0:54 zhike wang
2018-01-05  2:11 ` Yang, Zhiyong
2018-01-05 10:25 ` Thomas Monjalon
2018-01-05 10:28 Zhike Wang
2018-01-09 13:15 ` Yuanhan Liu

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