| To: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH][RFC/v1][11/12] Add InfiniBand Documentation files |
| From: | Roland Dreier <roland@xxxxxxxxxxx> |
| Date: | Mon, 22 Nov 2004 07:41:47 -0800 |
| Cc: | linux-kernel@xxxxxxxxxxxxxxx, openib-general@xxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <20041122153144.GA4821@xxxxxxxxxxxxx> (Christoph Hellwig's message of "Mon, 22 Nov 2004 15:31:44 +0000") |
| References: | <20041122714.taTI3zcdWo5JfuMd@xxxxxxxxxxx> <20041122714.AyIOvRY195EGFTaO@xxxxxxxxxxx> <20041122153144.GA4821@xxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Security Through Obscurity, linux) |
Christoph> Any reason this doesn't use an interface similar to the
Christoph> normal vlan code?
The normal vlan code uses an ioctl(). I thought a simple sysfs
interface would be more palatable than a new socket ioctl.
Christoph> And what is a P_Key?
It is a 16-bit identifier carried by IB packets that says which
partition the packet is in. End ports have P_Key tables that list
which partitions they are members of (a port can be a member of one or
more partitions, and can only receive packets from that partition).
- Roland
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