From: Stephen Hemminger <stephen@networkplumber.org>
To: KAVYA AV <kavyax.a.v@intel.com>
Cc: dev@dpdk.org, bruce.richardson@intel.com,
aman.deep.singh@intel.com, shaiq.wani@intel.com, stable@dpdk.org
Subject: Re: [PATCH v4] app/testpmd: fix DCB queue allocation for VMDq devices
Date: Sun, 12 Apr 2026 09:20:33 -0700 [thread overview]
Message-ID: <20260412092033.55207b38@phoenix.local> (raw)
In-Reply-To: <20260409064346.3513111-1-kavyax.a.v@intel.com>
On Thu, 9 Apr 2026 06:43:46 +0000
KAVYA AV <kavyax.a.v@intel.com> wrote:
> When using DCB mode with VT disabled and requesting more queues than
> traffic classes (e.g., rxq=64 with 8 TCs), testpmd crashes with null
> pointer errors because it artificially limits queue allocation to
> num_tcs.
>
> For VMDq devices, use actual VMDq queue layout (vmdq_queue_num) instead
> of limiting to num_tcs. This allows VMDq devices to utilize their full
> queue capacity while maintaining compatibility with non-VMDq devices.
>
> Fixes: 2169699b15fc ("app/testpmd: add queue restriction in DCB command")
> Cc: stable@dpdk.org
>
> Signed-off-by: KAVYA AV <kavyax.a.v@intel.com>
> ---
Applied to next-net
prev parent reply other threads:[~2026-04-12 16:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-13 10:15 [PATCH] app/testpmd: fix DCB queue allocation for VMDq devices KAVYA AV
2026-03-13 21:00 ` Stephen Hemminger
2026-03-16 5:52 ` [PATCH v2] " KAVYA AV
2026-03-23 23:51 ` Stephen Hemminger
2026-03-24 10:05 ` [PATCH v3] " KAVYA AV
2026-03-24 15:46 ` Stephen Hemminger
2026-03-26 11:22 ` A V, KavyaX
2026-04-09 6:43 ` [PATCH v4] " KAVYA AV
2026-04-12 16:20 ` Stephen Hemminger [this message]
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