SUNRPC: Handle ENETDOWN errors

Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

(cherry picked from commit eb5b46f)
Orabug: 30513391
Signed-off-by: Dai Ngo <[email protected]>
Reviewed-by: Calum Mackay <[email protected]>
Signed-off-by: Somasundaram Krishnasamy <[email protected]>

Author: trondmypd

net/sunrpc/clnt.c

@@ -1850,6 +1850,7 @@ call_bind_status(struct rpc_task *task)
 	case -ECONNABORTED:
 	case -ENOTCONN:
 	case -EHOSTDOWN:
+	case -ENETDOWN:
 	case -EHOSTUNREACH:
 	case -ENETUNREACH:
 	case -ENOBUFS:
@@ -1925,6 +1926,7 @@ call_connect_status(struct rpc_task *task)
 		}
 	case -ECONNRESET:
 	case -ECONNABORTED:
+	case -ENETDOWN:
 	case -ENETUNREACH:
 	case -EHOSTUNREACH:
 	case -EADDRINUSE:
@@ -2029,6 +2031,7 @@ call_transmit_status(struct rpc_task *task)
 		 */
 	case -ECONNREFUSED:
 	case -EHOSTDOWN:
+	case -ENETDOWN:
 	case -EHOSTUNREACH:
 	case -ENETUNREACH:
 	case -EPERM:
@@ -2080,6 +2083,7 @@ call_bc_transmit(struct rpc_task *task)
 	switch (task->tk_status) {
 	case 0:
 		/* Success */
+	case -ENETDOWN:
 	case -EHOSTDOWN:
 	case -EHOSTUNREACH:
 	case -ENETUNREACH:
@@ -2151,6 +2155,7 @@ call_status(struct rpc_task *task)
 	task->tk_status = 0;
 	switch(status) {
 	case -EHOSTDOWN:
+	case -ENETDOWN:
 	case -EHOSTUNREACH:
 	case -ENETUNREACH:
 	case -EPERM:

net/sunrpc/xprtsock.c

@@ -2436,6 +2436,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
 		 */
 	case -ECONNREFUSED:
 	case -ECONNRESET:
+	case -ENETDOWN:
 	case -ENETUNREACH:
 	case -EHOSTUNREACH:
 	case -EADDRINUSE: