--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 Mellanox Technologies, Ltd
+ */
+
+#include <sys/queue.h>
+
+#include <rte_malloc.h>
+#include <rte_tailq.h>
+#include <rte_flow.h>
+
+#include "rte_eth_bond_private.h"
+
+static struct rte_flow *
+bond_flow_alloc(int numa_node, const struct rte_flow_attr *attr,
+ const struct rte_flow_item *items,
+ const struct rte_flow_action *actions)
+{
+ struct rte_flow *flow;
+ size_t fdsz;
+
+ fdsz = rte_flow_copy(NULL, 0, attr, items, actions);
+ flow = rte_zmalloc_socket(NULL, sizeof(struct rte_flow) + fdsz,
+ RTE_CACHE_LINE_SIZE, numa_node);
+ if (unlikely(flow == NULL)) {
+ RTE_BOND_LOG(ERR, "Could not allocate new flow");
+ return NULL;
+ }
+ flow->fd = (void *)((uintptr_t)flow + sizeof(*flow));
+ if (unlikely(rte_flow_copy(flow->fd, fdsz, attr, items, actions) !=
+ fdsz)) {
+ RTE_BOND_LOG(ERR, "Failed to copy flow description");
+ rte_free(flow);
+ return NULL;
+ }
+ return flow;
+}
+
+static void
+bond_flow_release(struct rte_flow **flow)
+{
+ rte_free(*flow);
+ *flow = NULL;
+}
+
+static int
+bond_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
+ const struct rte_flow_item patterns[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *err)
+{
+ struct bond_dev_private *internals = dev->data->dev_private;
+ int i;
+ int ret;
+
+ for (i = 0; i < internals->slave_count; i++) {
+ ret = rte_flow_validate(internals->slaves[i].port_id, attr,
+ patterns, actions, err);
+ if (ret) {
+ RTE_BOND_LOG(ERR, "Operation rte_flow_validate failed"
+ " for slave %d with error %d", i, ret);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static struct rte_flow *
+bond_flow_create(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
+ const struct rte_flow_item patterns[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *err)
+{
+ struct bond_dev_private *internals = dev->data->dev_private;
+ struct rte_flow *flow;
+ int i;
+
+ flow = bond_flow_alloc(dev->data->numa_node, attr, patterns, actions);
+ if (unlikely(flow == NULL)) {
+ rte_flow_error_set(err, ENOMEM, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, rte_strerror(ENOMEM));
+ return NULL;
+ }
+ for (i = 0; i < internals->slave_count; i++) {
+ flow->flows[i] = rte_flow_create(internals->slaves[i].port_id,
+ attr, patterns, actions, err);
+ if (unlikely(flow->flows[i] == NULL)) {
+ RTE_BOND_LOG(ERR, "Failed to create flow on slave %d",
+ i);
+ goto err;
+ }
+ }
+ TAILQ_INSERT_TAIL(&internals->flow_list, flow, next);
+ return flow;
+err:
+ /* Destroy all slaves flows. */
+ for (i = 0; i < internals->slave_count; i++) {
+ if (flow->flows[i] != NULL)
+ rte_flow_destroy(internals->slaves[i].port_id,
+ flow->flows[i], err);
+ }
+ bond_flow_release(&flow);
+ return NULL;
+}
+
+static int
+bond_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
+ struct rte_flow_error *err)
+{
+ struct bond_dev_private *internals = dev->data->dev_private;
+ int i;
+ int ret = 0;
+
+ for (i = 0; i < internals->slave_count; i++) {
+ int lret;
+
+ if (unlikely(flow->flows[i] == NULL))
+ continue;
+ lret = rte_flow_destroy(internals->slaves[i].port_id,
+ flow->flows[i], err);
+ if (unlikely(lret != 0)) {
+ RTE_BOND_LOG(ERR, "Failed to destroy flow on slave %d:"
+ " %d", i, lret);
+ ret = lret;
+ }
+ }
+ TAILQ_REMOVE(&internals->flow_list, flow, next);
+ bond_flow_release(&flow);
+ return ret;
+}
+
+static int
+bond_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *err)
+{
+ struct bond_dev_private *internals = dev->data->dev_private;
+ struct rte_flow *flow;
+ void *tmp;
+ int ret = 0;
+ int lret;
+
+ /* Destroy all bond flows from its slaves instead of flushing them to
+ * keep the LACP flow or any other external flows.
+ */
+ TAILQ_FOREACH_SAFE(flow, &internals->flow_list, next, tmp) {
+ lret = bond_flow_destroy(dev, flow, err);
+ if (unlikely(lret != 0))
+ ret = lret;
+ }
+ if (unlikely(ret != 0))
+ RTE_BOND_LOG(ERR, "Failed to flush flow in all slaves");
+ return ret;
+}
+
+static int
+bond_flow_query_count(struct rte_eth_dev *dev, struct rte_flow *flow,
+ const struct rte_flow_action *action,
+ struct rte_flow_query_count *count,
+ struct rte_flow_error *err)
+{
+ struct bond_dev_private *internals = dev->data->dev_private;
+ struct rte_flow_query_count slave_count;
+ int i;
+ int ret;
+
+ count->bytes = 0;
+ count->hits = 0;
+ rte_memcpy(&slave_count, count, sizeof(slave_count));
+ for (i = 0; i < internals->slave_count; i++) {
+ ret = rte_flow_query(internals->slaves[i].port_id,
+ flow->flows[i], action,
+ &slave_count, err);
+ if (unlikely(ret != 0)) {
+ RTE_BOND_LOG(ERR, "Failed to query flow on"
+ " slave %d: %d", i, ret);
+ return ret;
+ }
+ count->bytes += slave_count.bytes;
+ count->hits += slave_count.hits;
+ slave_count.bytes = 0;
+ slave_count.hits = 0;
+ }
+ return 0;
+}
+
+static int
+bond_flow_query(struct rte_eth_dev *dev, struct rte_flow *flow,
+ const struct rte_flow_action *action, void *arg,
+ struct rte_flow_error *err)
+{
+ switch (action->type) {
+ case RTE_FLOW_ACTION_TYPE_COUNT:
+ return bond_flow_query_count(dev, flow, action, arg, err);
+ default:
+ return rte_flow_error_set(err, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, arg,
+ rte_strerror(ENOTSUP));
+ }
+}
+
+static int
+bond_flow_isolate(struct rte_eth_dev *dev, int set,
+ struct rte_flow_error *err)
+{
+ struct bond_dev_private *internals = dev->data->dev_private;
+ int i;
+ int ret;
+
+ for (i = 0; i < internals->slave_count; i++) {
+ ret = rte_flow_isolate(internals->slaves[i].port_id, set, err);
+ if (unlikely(ret != 0)) {
+ RTE_BOND_LOG(ERR, "Operation rte_flow_isolate failed"
+ " for slave %d with error %d", i, ret);
+ internals->flow_isolated_valid = 0;
+ return ret;
+ }
+ }
+ internals->flow_isolated = set;
+ internals->flow_isolated_valid = 1;
+ return 0;
+}
+
+const struct rte_flow_ops bond_flow_ops = {
+ .validate = bond_flow_validate,
+ .create = bond_flow_create,
+ .destroy = bond_flow_destroy,
+ .flush = bond_flow_flush,
+ .query = bond_flow_query,
+ .isolate = bond_flow_isolate,
+};
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