svn commit: r228694 - head/sys/dev/netmap

[Bjoern A. Zeeb]

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.