cxgb3: Notify fatal errors

Set up a notification mechanism to inform upper layer modules
(iWARP, iSCSI) of a chip reset due to an EEH event or a fatal error.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/cxgb3_offload.h b/drivers/net/cxgb3/cxgb3_offload.h
index d514e5019df..a8e8e5fcdf8 100644
--- a/drivers/net/cxgb3/cxgb3_offload.h
+++ b/drivers/net/cxgb3/cxgb3_offload.h
@@ -64,10 +64,16 @@ void cxgb3_register_client(struct cxgb3_client *client);
 void cxgb3_unregister_client(struct cxgb3_client *client);
 void cxgb3_add_clients(struct t3cdev *tdev);
 void cxgb3_remove_clients(struct t3cdev *tdev);
+void cxgb3_err_notify(struct t3cdev *tdev, u32 status, u32 error);
 
 typedef int (*cxgb3_cpl_handler_func)(struct t3cdev *dev,
                                       struct sk_buff *skb, void *ctx);
 
+enum {
+        OFFLOAD_STATUS_UP,
+        OFFLOAD_STATUS_DOWN
+};
+
 struct cxgb3_client {
         char *name;
         void (*add) (struct t3cdev *);
@@ -76,6 +82,7 @@ struct cxgb3_client {
         int (*redirect)(void *ctx, struct dst_entry *old,
                         struct dst_entry *new, struct l2t_entry *l2t);
         struct list_head client_list;
+        void (*err_handler)(struct t3cdev *tdev, u32 status, u32 error);
 };
 
 /*