From: David Miller <davem@davemloft.net>
To: felix.manlunas@cavium.com
Cc: netdev@vger.kernel.org, raghu.vatsavayi@cavium.com,
derek.chickles@cavium.com, satananda.burla@cavium.com,
ricardo.farrington@cavium.com
Subject: Re: [PATCH net-next] liquidio: fix hang when re-binding VF host drv after running DPDK VF driver
Date: Mon, 16 Jul 2018 14:02:10 -0700 (PDT) [thread overview]
Message-ID: <20180716.140210.2066723355300245370.davem@davemloft.net> (raw)
In-Reply-To: <20180713195021.GA1178@felix-thinkpad.cavium.com>
From: Felix Manlunas <felix.manlunas@cavium.com>
Date: Fri, 13 Jul 2018 12:50:21 -0700
> From: Rick Farrington <ricardo.farrington@cavium.com>
>
> When configuring SLI_PKTn_OUTPUT_CONTROL, VF driver was assuming that IPTR
> mode was disabled by reset, which was not true. Since DPDK driver had
> set IPTR mode previously, the VF driver (which uses buf-ptr-only mode) was
> not properly handling DROQ packets (i.e. it saw zero-length packets).
>
> This represented an invalid hardware configuration which the driver could
> not handle.
>
> Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com>
> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Applied.
prev parent reply other threads:[~2018-07-16 21:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-13 19:50 [PATCH net-next] liquidio: fix hang when re-binding VF host drv after running DPDK VF driver Felix Manlunas
2018-07-16 21:02 ` David Miller [this message]
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