Feature #14802: Re-enable multiqueue support for virtio NIC - pfSense - pfSense bugtracker

Custom queries

2.7.0 - Resolved/Closed
2.7.1 - All Open Issues
2.7.1 - Resolved/Closed
2.7.2 - Resolved/Closed
2.8.0 - Resolved/Closed
2.8.1 - All Open Bugs
2.8.1 - All Open Features
2.8.1 - All Open Issues
2.8.1 - All Open Regressions
2.8.1 - Feedback
2.8.1 - Needs Attention
2.8.1 - New/Confirmed
2.8.1 - Pull Requests
2.8.1 - Regressions affecting 2.8.0
2.8.1 - Resolved/Closed
23.01 Plus - All Closed Issues
23.01 Target - All Closed Issues
23.05 Plus - All Closed Issues
23.05 Target - All Closed Issues
23.05.1 Plus - All Closed Issues
23.05.1 Target - All Closed Issues
23.09 Plus - All Closed Issues
23.09 Target - All Closed Issues
23.09.1 Plus - All Closed Issues
23.09.1 Target - All Closed Issues
24.03 Plus - All Closed Issues
24.03 Target - All Closed Issues
24.11 Plus - All Closed Issues
24.11 Target - All Closed Issues
25.07 Plus - All Closed Issues
25.07 Target - All Closed Issues
25.11 Plus - All Closed Issues
25.11 Plus - All Open Issues
25.11 Plus - Feedback Issues
25.11 Plus - Needs Attention/Work
25.11 Plus - New/Confirmed/In Progress Issues
25.11 Plus - Pull Request Review
25.11 Plus - Waiting on Merge
25.11 Target - All Closed Issues
25.11 Target - All Open Issues
All Open Issues assigned to Me
All Open Pull Requests
Any Target - All Open Regressions
Any Target - Feedback Issues
CE-Next - All Closed Issues (Move to specific target)
CE-Next - All Open Issues
CE-Next - Feedback (Likely needs target changed)
New Issues by Category - Future Target
New Issues by Category - No Target
New Issues by Category - No Target+Future
No Target - All Open Issues (Base Only)
No Target - New Issues (Base Only)
No Target - New Issues (Base and Packages)
Release Notes - CE Target Version (DO NOT EDIT)
Release Notes - Plus Target Version (DO NOT EDIT)
Release Notes - Target Version (DO NOT EDIT)

Actions

Copy link

Feature #14802

closed

Re-enable multiqueue support for virtio NIC

Added by Christopher de Haas almost 2 years ago. Updated 10 days ago.

Status:

Duplicate

Priority:

High

Assignee:

Category:

Hardware / Drivers

Target version:

Start date:

Due date:

% Done:

Estimated time:

Plus Target Version:

Release Notes:

Default

Description

In current versions of pfSense (2.7.0, 23.05.1) multiqueue support for virtio NIC has vanished. Apparently this was done to support ALTQ. This is a serious new limitation for high throughput virtualized routers. Please re-add support for multiqueue on virtio. If this is driver limitation please at least allow us to choose between ALTQ or multiqueue enabled drivers for vitio like it is for other NIC's in pfsense.

Not sure whether this is a bug or request for a feature to be re-added.

Related issues

Is duplicate of Feature #16166: Option to deactivate ALTQ for VTNET interfaces

Pull Request Review

Actions

Issue # Delay: days Cancel

History
Notes
Property changes

Actions

Copy link

Updated by Nazar Mokrynskyi almost 2 years ago

I second this request, can't get more than ~2.5Gbps out of interfaces because of this, which is really annoying.
Was debugging a bunch of stuff and this appears to be the root cause.

Actions

Copy link

Updated by Nazar Mokrynskyi almost 2 years ago

I'd appreciate if maintainers could take a look at this

Actions

Copy link

Updated by Christopher de Haas over 1 year ago

The issue is discussed in this forum thread https://forum.netgate.com/topic/138174/pfsense-vtnet-lack-of-queues. However, the last post dates all the way back to March 2021. Any chance we can get an update on this issue?

Actions

Copy link

Updated by Bernhard Schmidt 5 months ago

A colleague bravely tested this by building a new kernel for pfSense 2.7.2 with just ALTQ for vtnet disabled. We did some throughput tests with iperf3 with varying numbers of parallel connections on a Proxmox host. The stock version never scaled to more than 2,8 Gbit/s, regardless of parallel connections and vCPUs.

Stock pfsense 2.7.2  -P2   ca. 2,8 Gbit 
Frankensense 2.7.2 -P2 ca. 4.4 Gbit
Frankensense 2.7.2 -P4 ca. 6,22 Gbit
Frankensense 2.7.2 -P8 ca. 8,77 Gbit (likely CPU-bound, tests with more than 4 vCPU pending)

Actions

Copy link