Re: network driver that uses skb destructor

[Jeff Garzik]

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



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/