From 0339e4e3effeae71e2b19c6340ef9672fb7a2cb3 Mon Sep 17 00:00:00 2001 From: Matt Carlson Date: Fri, 12 Feb 2010 14:47:09 +0000 Subject: 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 Reviewed-by: Michael Chan Reviewed-by: Benjamin Li Signed-off-by: David S. Miller --- drivers/net/tg3.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/tg3.h') diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 46db4ad46bbc..a8fb53aaf742 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 -- cgit v1.2.1