tg3: Add TSS support

This patch exposes the additional transmit rings to the kernel and makes
the necessary modifications to transmit, open, and close paths.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6452d48..d1c7add 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -822,6 +822,7 @@
 #define  SNDBDI_MODE_RESET		 0x00000001
 #define  SNDBDI_MODE_ENABLE		 0x00000002
 #define  SNDBDI_MODE_ATTN_ENABLE	 0x00000004
+#define  SNDBDI_MODE_MULTI_TXQ_EN	 0x00000020
 #define SNDBDI_STATUS			0x00001804
 #define  SNDBDI_STATUS_ERROR_ATTN	 0x00000004
 #define SNDBDI_IN_PROD_IDX_0		0x00001808