net: force PKTALIGN to ARCH_DMA_MINALIGN

This will prevent the need for architectures whose DMA alignment
is greater than 32 to have bounce buffers.

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>

diff --git a/include/net.h b/include/net.h
index 556078518b584dfe14fcba5298accd1466a100bf..ee11f82ccc87acf426b95f78337bb2de52d77abd 100644 (file)
--- a/include/net.h
+++ b/include/net.h
@@ -16,6 +16,7 @@
 #include <commproc.h>
 #endif /* CONFIG_8xx */
 
+#include <asm/cache.h>
 #include <asm/byteorder.h>     /* for nton* / ntoh* stuff */
 
 
@@ -31,7 +32,7 @@
 # define PKTBUFSRX     4
 #endif
 
-#define PKTALIGN       32
+#define PKTALIGN       ARCH_DMA_MINALIGN
 
 /* IPv4 addresses are always 32 bits in size */
 typedef u32            IPaddr_t;