No, it is not available at this time. There is a new prefetcher implementation that would allow for this, but the driver has not as of yet been updated. Furthermore, for true scatter gather (IE: collecting fragments of a packet to transmit), ipv4/6 checksum offload would need to be supported.
--dalon On Tue, Jan 17, 2017 at 5:38 PM, Matthew Gigli <mgi...@trellisware.com> wrote: > Hi, > > We are trying to use the Altera TSE IP core with MSGDMA to work with the > altera-tse linux driver. I noticed in the Linux documentation for > altera_tse that there is a little note that says: > > Scatter-gather DMA is not supported by the SGDMA or MSGDMA at this time. > Scatter-gather DMA will be added to a future maintenance update to this > driver. > > My question is: Does scatter-gather DMA by the MSGDMA exist anywhere? Does > anyone know of any examples of how we can get this to work? > > Thanks, > Matt > > _______________________________________________ > Rfi mailing list > Rfi@lists.rocketboards.org > http://lists.rocketboards.org/cgi-bin/mailman/listinfo/rfi > >
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