On Thu, Sep 18, 2003 at 09:38:47PM -0700, Grant Grundler wrote: > On Fri, Sep 19, 2003 at 02:16:29PM +1000, Peter Chubb wrote: > > The obvious approach of realigning the SKB by 2 bytes seems not to > > work. > > Could you be more detailed about the "obvious approach"? > ie show the diff of what you changed. > > Several other NIC driver "alias" (as davidm describes it) the buffer > by reserving two bytes at the beginning of the recieve buffer > where header and payload data are DMAd on inbound traffic. It is a mixed blessing, because the result is a non cache line aligned buffer. Some NIC chipsets don't like this because they have to do a read-modify-write cycle for the first cache line and cannot burst the full packet. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Fri Sep 19 00:45:06 2003
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