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authorMatt Carlson <mcarlson@broadcom.com>2010-02-12 14:47:09 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-12 17:05:53 -0800
commit0339e4e3effeae71e2b19c6340ef9672fb7a2cb3 (patch)
treed54025d2a5ba9e9dd76e8cb736b673acafbf5b4b /drivers/net/tg3.h
parent6b10c1653e425e30cff7f41d0e6f9743bfa9810f (diff)
tg3: Turn off multiple DMA reads for 5717
The 5717's DMA read engine has a bug when initiating multiple DMA reads across the PCIe bus. This patch disables the feature. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.h')
-rw-r--r--drivers/net/tg3.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 46db4ad46bb..a8fb53aaf74 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1258,6 +1258,7 @@
#define RDMAC_MODE_MBUF_SBD_CRPT_ENAB 0x00002000
#define RDMAC_MODE_FIFO_SIZE_128 0x00020000
#define RDMAC_MODE_FIFO_LONG_BURST 0x00030000
+#define RDMAC_MODE_MULT_DMA_RD_DIS 0x01000000
#define RDMAC_MODE_IPV4_LSO_EN 0x08000000
#define RDMAC_MODE_IPV6_LSO_EN 0x10000000
#define RDMAC_STATUS 0x00004804