From: Jeff Garzik <jgarzik@pobox.com>
To: "Sirotkin, Alexander" <demiurg@ti.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: network driver that uses skb destructor
Date: Mon, 29 Dec 2003 14:10:39 -0500 [thread overview]
Message-ID: <3FF07C2F.6080408@pobox.com> (raw)
In-Reply-To: <3FF05C27.5030706@ti.com>
Sirotkin, Alexander wrote:
> I would like to write a network driver that uses DMA and manages it's
> own memory.
>
> The most common approach (in RX) seem to be to allocate the memory for
> DMA transfer using dev_alloc_skb(), get the HW DMA engine to transfer
> the packet into this skb buffer and later free it using dev_kfree_skb().
>
> For various reasons (mainly to support legacy source code) I would like
> to allocate and free the buffer using my own functions. Theoretically, I
> could get away by using skb->destructor.
This won't work, since you cannot chain skb destructors...
Jeff
prev parent reply other threads:[~2003-12-29 19:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-29 16:53 network driver that uses skb destructor Sirotkin, Alexander
2003-12-29 17:24 ` Muli Ben-Yehuda
2003-12-30 9:13 ` Adrian Cox
2003-12-30 9:36 ` Muli Ben-Yehuda
2004-01-01 19:09 ` [RFC/PATCH] skb destructor chaining [was Re: network driver that uses skb destructor] Muli Ben-Yehuda
2003-12-30 9:48 ` network driver that uses skb destructor Duncan Sands
2003-12-30 15:02 ` [Linux-ATM-General] " chas williams
2003-12-29 19:10 ` Jeff Garzik [this message]
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