From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Dengdui Huang <huangdengdui@huawei.com>, dev@dpdk.org
Cc: aman.deep.singh@intel.com, yuying.zhang@intel.com,
liuyonglong@huawei.com
Subject: Re: [PATCH v2] app/testpmd: fix crash in multi-process packet forwarding
Date: Thu, 8 Feb 2024 01:12:45 +0000 [thread overview]
Message-ID: <7067c6e3-23d4-4e00-935c-862a80f4ecbc@amd.com> (raw)
In-Reply-To: <20240130013249.987959-1-huangdengdui@huawei.com>
On 1/30/2024 1:32 AM, Dengdui Huang wrote:
> On multi-process scenario, each process creates flows based on the
> number of queues. When nbcore is greater than 1, multiple cores may
> use the same queue to forward packet, like:
> dpdk-testpmd -a BDF --proc-type=auto -- -i --rxq=4 --txq=4
> --nb-cores=2 --num-procs=2 --proc-id=0
> testpmd> start
> mac packet forwarding - ports=1 - cores=2 - streams=4 - NUMA support
> enabled, MP allocation mode: native
> Logical Core 2 (socket 0) forwards packets on 2 streams:
> RX P=0/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00
> RX P=0/Q=1 (socket 0) -> TX P=0/Q=1 (socket 0) peer=02:00:00:00:00:00
> Logical Core 3 (socket 0) forwards packets on 2 streams:
> RX P=0/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00
> RX P=0/Q=1 (socket 0) -> TX P=0/Q=1 (socket 0) peer=02:00:00:00:00:00
>
> After this commit, the result will be:
> dpdk-testpmd -a BDF --proc-type=auto -- -i --rxq=4 --txq=4
> --nb-cores=2 --num-procs=2 --proc-id=0
> testpmd> start
> io packet forwarding - ports=1 - cores=2 - streams=2 - NUMA support
> enabled, MP allocation mode: native
> Logical Core 2 (socket 0) forwards packets on 1 streams:
> RX P=0/Q=0 (socket 2) -> TX P=0/Q=0 (socket 2) peer=02:00:00:00:00:00
> Logical Core 3 (socket 0) forwards packets on 1 streams:
> RX P=0/Q=1 (socket 2) -> TX P=0/Q=1 (socket 2) peer=02:00:00:00:00:00
>
> Fixes: a550baf24af9 ("app/testpmd: support multi-process")
> Cc: stable@dpdk.org
>
> Signed-off-by: Dengdui Huang <huangdengdui@huawei.com>
> Acked-by: Chengwen Feng <fengchengwen@huawei.com>
>
Thanks for the fix.
Acked-by: Ferruh Yigit <ferruh.yigit@amd.com>
Applied to dpdk-next-net/main, thanks.
prev parent reply other threads:[~2024-02-08 1:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-26 2:41 [PATCH] " Dengdui Huang
2024-01-26 6:23 ` fengchengwen
2024-01-30 1:32 ` huangdengdui
2024-01-30 1:32 ` [PATCH v2] " Dengdui Huang
2024-02-08 1:12 ` Ferruh Yigit [this message]
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