net/sfc: support flow API isolated mode

[dpdk.git] / drivers / net / sfc / sfc_flow.c

diff --git a/drivers/net/sfc/sfc_flow.c b/drivers/net/sfc/sfc_flow.c
index fe352c0..110dfb8 100644 (file)
--- a/drivers/net/sfc/sfc_flow.c
+++ b/drivers/net/sfc/sfc_flow.c
@@ -1,4 +1,6 @@
 /*-
+ *   BSD LICENSE
+ *
  * Copyright (c) 2017 Solarflare Communications Inc.
  * All rights reserved.
  *
@@ -835,8 +837,7 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                return -rte_errno;
        }
 
-       for (; pattern != NULL &&
-              pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
+       for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
                item = sfc_flow_get_item(pattern->type);
                if (item == NULL) {
                        rte_flow_error_set(error, ENOTSUP,
@@ -866,13 +867,6 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                        prev_layer = item->layer;
        }
 
-       if (pattern == NULL) {
-               rte_flow_error_set(error, EINVAL,
-                                  RTE_FLOW_ERROR_TYPE_ITEM, NULL,
-                                  "NULL item");
-               return -rte_errno;
-       }
-
        return 0;
 }
 
@@ -1118,12 +1112,35 @@ sfc_flow_flush(struct rte_eth_dev *dev,
        return -ret;
 }
 
+static int
+sfc_flow_isolate(struct rte_eth_dev *dev, int enable,
+                struct rte_flow_error *error)
+{
+       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_port *port = &sa->port;
+       int ret = 0;
+
+       sfc_adapter_lock(sa);
+       if (sa->state != SFC_ADAPTER_INITIALIZED) {
+               rte_flow_error_set(error, EBUSY,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                  NULL, "please close the port first");
+               ret = -rte_errno;
+       } else {
+               port->isolated = (enable) ? B_TRUE : B_FALSE;
+       }
+       sfc_adapter_unlock(sa);
+
+       return ret;
+}
+
 const struct rte_flow_ops sfc_flow_ops = {
        .validate = sfc_flow_validate,
        .create = sfc_flow_create,
        .destroy = sfc_flow_destroy,
        .flush = sfc_flow_flush,
        .query = NULL,
+       .isolate = sfc_flow_isolate,
 };
 
 void