From: Roland Dreier <rdreier@cisco.com>
To: Mahesh <maheshk@cdac.in>
Cc: David Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org, kernelnewbies@nl.linux.org,
general@lists.openfabrics.org
Subject: Re: [HOWTO] accessing the DMA mapped data
Date: Thu, 10 May 2007 11:27:56 -0700 [thread overview]
Message-ID: <ada4pmk1qkz.fsf@cisco.com> (raw)
In-Reply-To: <464304DD.9070600@cdac.in> (Mahesh's message of "Thu, 10 May 2007 17:11:17 +0530")
> Here I am dealing with a infiniband (see www.openfabrics.org)
> network device driver. The layer above the driver is the standard
> infiniband core interface. Now I have a situation where I need to
> peek into the packets and do some modifications(some hacking). So I
> just want know whether I can access the original data region using
> the bus address generated by the dma_map_single.
If you give more details about what you're trying to do, maybe I can
suggest a good way to accomplish it.
Also for IB-related stuff you may want to at least CC
<general@lists.openfabrics.org> to get the best info.
prev parent reply other threads:[~2007-05-10 18:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-10 7:58 [HOWTO] accessing the DMA mapped data Mahesh
2007-05-10 8:47 ` David Miller
2007-05-10 11:19 ` Mahesh
2007-05-10 11:32 ` David Miller
2007-05-10 11:41 ` Mahesh
2007-05-10 11:47 ` David Miller
2007-05-11 15:42 ` Muli Ben-Yehuda
2007-05-10 18:27 ` Roland Dreier [this message]
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