[dpdk-dev] [PATCH] virtio: fix rx ring descriptor starvation

2016-03-04 Thread Tom Kiely
Sure. Tom On 03/04/2016 06:16 AM, Xie, Huawei wrote: > On 2/23/2016 12:23 AM, Tom Kiely wrote: >> Hi, >> Sorry I missed the last few messages until now. I'm happy with >> just removing the "if". Kyle, when you say you fixed it, do you mean >> that yo

[dpdk-dev] [PATCH] virtio: fix rx ring descriptor starvation

2016-02-22 Thread Tom Kiely
16 at 2:13 AM, Xie, Huawei wrote: >> On 12/17/2015 7:18 PM, Tom Kiely wrote: >>> >>> On 11/25/2015 05:32 PM, Xie, Huawei wrote: >>>> On 11/13/2015 5:33 PM, Tom Kiely wrote: >>>>> If all rx descriptors are processed while transient >>>&

[dpdk-dev] [PATCH] virtio: fix rx ring descriptor starvation

2015-12-17 Thread Tom Kiely
On 11/25/2015 05:32 PM, Xie, Huawei wrote: > On 11/13/2015 5:33 PM, Tom Kiely wrote: >> If all rx descriptors are processed while transient >> mbuf exhaustion is present, the rx ring ends up with >> no available descriptors. Thus no packets are received >> on that ri

[dpdk-dev] [PATCH] ixgbe: Discard SRIOV transparent vlan packet headers.

2015-12-17 Thread Tom Kiely
ent: Monday, December 14, 2015 9:35 PM >> To: Ananyev, Konstantin >> Cc: Zhang, Helin; dev at dpdk.org; Tom Kiely >> Subject: Re: [PATCH] ixgbe: Discard SRIOV transparent vlan packet headers. >> >> On Mon, 14 Dec 2015 19:57:10 + >> "Ananyev, Konsta

[dpdk-dev] [PATCH] virtio: fix rx ring descriptor starvation

2015-12-17 Thread Tom Kiely
Hi, Sorry for the delay. I have been occupied on another critical issue. I'll look at this today. Tom On 12/17/2015 04:47 AM, Xie, Huawei wrote: > On 11/26/2015 1:33 AM, Xie, Huawei wrote: >> On 11/13/2015 5:33 PM, Tom Kiely wrote: >>> If all rx descriptors are process

[dpdk-dev] Problems with SR-IOV and transparent vlan under DPDK

2015-11-26 Thread Tom Kiely
Hi, I wonder if anyone might have advice in relation to a major problem we're encountering. We have an SR-IOV setup on Debian 8 with 4 VFs. Each VF is configured with transparent vlan 1000. We have 4 VMs via KVM. 2xCentos (C1, C2) and 2xDebian8 (VR1, VR2) with DPDK based dataplane. C1

[dpdk-dev] [PATCH] virtio: fix rx ring descriptor starvation

2015-11-13 Thread Tom Kiely
resulting in permanent rx traffic drop. Signed-off-by: Tom Kiely --- drivers/net/virtio/virtio_rxtx.c |6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c index 5770fa2..a95e234 100644 --- a/drivers/net

[dpdk-dev] Question about zero length segments in received mbuf

2015-10-16 Thread Tom Kiely
Hi, I am currently experiencing a serious issue and was hoping someone else might have encountered it. I have a KVM VM using two ixgbe interfaces A and B (configured to use PCI passthrough) and forwarding traffic from interface A via B. At about 4 million pps of 64 byte frames, the rx