On 18. Dec 2011, at 17:48 , Marius Strobl wrote:
> Author: marius
> Date: Sun Dec 18 17:48:54 2011
> New Revision: 228694
> URL: http://svn.freebsd.org/changeset/base/228694
>
> Log:
> Fix compilation on sparc64 by actually supplying the bus_dma_tag_t member
> of the rx_ring to bus_dmamap_sync(9).
Thanks!
> Given that netmap code tries to
> obtain the bus addresses of netmap buffers via vtophys(9) instead of using
> bus_dma(9) it currently has zero chance of actually working on sparc64
> though (and for that matter f.e. also not with MACs limited to 32-bit DMA
> on x86 machines with more than 4GB of RAM).
>
> Modified:
> head/sys/dev/netmap/if_em_netmap.h
>
> Modified: head/sys/dev/netmap/if_em_netmap.h
> ==============================================================================
> --- head/sys/dev/netmap/if_em_netmap.h Sun Dec 18 17:42:26 2011
> (r228693)
> +++ head/sys/dev/netmap/if_em_netmap.h Sun Dec 18 17:48:54 2011
> (r228694)
> @@ -329,7 +329,7 @@ em_netmap_rxsync(void *a, u_int ring_nr,
> if ((curr->status & E1000_RXD_STAT_DD) == 0)
> break;
> ring->slot[j].len = le16toh(curr->length);
> - bus_dmamap_sync(rxr->tag, rxr->rx_buffers[l].map,
> + bus_dmamap_sync(rxr->rxtag, rxr->rx_buffers[l].map,
> BUS_DMASYNC_POSTREAD);
> j = (j == lim) ? 0 : j + 1;
> /* make sure next_to_refresh follows next_to_check */
--
Bjoern A. Zeeb You have to have visions!
Stop bit received. Insert coin for new address family.
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