* [QUESTION] IB/ipoib: IB_DEVICE_UD_IP_CSUM & NETIF_F_SG
@ 2016-07-14 9:57 Yuval Shaia
[not found] ` <20160714095714.GA13573-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Yuval Shaia @ 2016-07-14 9:57 UTC (permalink / raw)
To: linux-rdma-u79uwXL29TY76Z2rM5mHXA
Hi,
Looking at ipoib_set_dev_features().
Any idea why NETIF_F_SG depends on IB_DEVICE_UD_IP_CSUM?
Thanks,
Yuval
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* Re: [QUESTION] IB/ipoib: IB_DEVICE_UD_IP_CSUM & NETIF_F_SG
[not found] ` <20160714095714.GA13573-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
@ 2016-07-14 20:06 ` Doug Ledford
0 siblings, 0 replies; 2+ messages in thread
From: Doug Ledford @ 2016-07-14 20:06 UTC (permalink / raw)
To: Yuval Shaia, linux-rdma-u79uwXL29TY76Z2rM5mHXA
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On 7/14/2016 5:57 AM, Yuval Shaia wrote:
> Hi,
> Looking at ipoib_set_dev_features().
> Any idea why NETIF_F_SG depends on IB_DEVICE_UD_IP_CSUM?
I believe this is both historical and outdated. IIRC, at one point in
time the core net stack required IP_CSUM to support SG, but it no longer
does.
--
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
GPG Key ID: 0E572FDD
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2016-07-14 9:57 [QUESTION] IB/ipoib: IB_DEVICE_UD_IP_CSUM & NETIF_F_SG Yuval Shaia
[not found] ` <20160714095714.GA13573-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-07-14 20:06 ` Doug Ledford
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