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, 12 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index 2d7f69aff1d9..620d80be6aac 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -153,6 +153,18 @@ void cxgb3_remove_clients(struct t3cdev *tdev)
         mutex_unlock(&cxgb3_db_lock);
 }
 
+void cxgb3_err_notify(struct t3cdev *tdev, u32 status, u32 error)
+{
+        struct cxgb3_client *client;
+
+        mutex_lock(&cxgb3_db_lock);
+        list_for_each_entry(client, &client_list, client_list) {
+                if (client->err_handler)
+                        client->err_handler(tdev, status, error);
+        }
+        mutex_unlock(&cxgb3_db_lock);
+}
+
 static struct net_device *get_iff_from_mac(struct adapter *adapter,
                                            const unsigned char *mac,
                                            unsigned int vlan)