[PATCH] chelsio: add MSI support

Using MSI can avoid sharing IRQ and associated overhead.
Tested on PCI-X.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h
index 55f1eaa..b265941 100644
--- a/drivers/net/chelsio/common.h
+++ b/drivers/net/chelsio/common.h
@@ -228,6 +228,7 @@
 	unsigned short chip_revision;
 	unsigned char  chip_version;
 	unsigned char  is_asic;
+	unsigned char  has_msi;
 };
 
 struct link_config {