tg3: Dump registers when status block shows errors

This patch monitors the error bit of the status word within the status
block.  If it is set, the driver will dump the driver state after
validating the error and then reset the chip.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 99120100bf6a..b3ccfcc9ffea 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1201,6 +1201,7 @@
 #define HOSTCC_STATS_BLK_NIC_ADDR       0x00003c40
 #define HOSTCC_STATUS_BLK_NIC_ADDR      0x00003c44
 #define HOSTCC_FLOW_ATTN                0x00003c48
+#define HOSTCC_FLOW_ATTN_MBUF_LWM        0x00000040
 /* 0x3c4c --> 0x3c50 unused */
 #define HOSTCC_JUMBO_CON_IDX            0x00003c50
 #define HOSTCC_STD_CON_IDX              0x00003c54
@@ -1611,6 +1612,7 @@
 #define  MSGINT_MODE_ONE_SHOT_DISABLE    0x00000020
 #define  MSGINT_MODE_MULTIVEC_EN         0x00000080
 #define MSGINT_STATUS                   0x00006004
+#define  MSGINT_STATUS_MSI_REQ           0x00000001
 #define MSGINT_FIFO                     0x00006008
 /* 0x600c --> 0x6400 unused */
 
@@ -2886,6 +2888,7 @@ struct tg3 {
 #define TG3_FLAG_TAGGED_STATUS          0x00000001
 #define TG3_FLAG_TXD_MBOX_HWBUG         0x00000002
 #define TG3_FLAG_USE_LINKCHG_REG        0x00000008
+#define TG3_FLAG_ERROR_PROCESSED        0x00000010
 #define TG3_FLAG_ENABLE_ASF             0x00000020
 #define TG3_FLAG_ASPM_WORKAROUND        0x00000040
 #define TG3_FLAG_POLL_SERDES            0x00000080