1 files changed, 68 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/tap/tap_flow.h b/src/spdk/dpdk/drivers/net/tap/tap_flow.h
new file mode 100644
index 00000000..ac60a9ae
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/tap/tap_flow.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
+ */
+
+#ifndef _TAP_FLOW_H_
+#define _TAP_FLOW_H_
+
+#include <rte_flow.h>
+#include <rte_flow_driver.h>
+#include <rte_eth_tap.h>
+#include <tap_autoconf.h>
+
+/**
+ * In TC, priority 0 means we require the kernel to allocate one for us.
+ * In rte_flow, however, we want the priority 0 to be the most important one.
+ * Use an offset to have the most important priority being 1 in TC.
+ */
+#define PRIORITY_OFFSET 1
+#define PRIORITY_MASK (0xfff)
+#define MAX_PRIORITY (PRIORITY_MASK - PRIORITY_OFFSET)
+#define GROUP_MASK (0xf)
+#define GROUP_SHIFT 12
+#define MAX_GROUP GROUP_MASK
+#define RSS_PRIORITY_OFFSET RTE_PMD_TAP_MAX_QUEUES
+
+/**
+ * These index are actually in reversed order: their priority is processed
+ * by subtracting their value to the lowest priority (PRIORITY_MASK).
+ * Thus the first one will have the lowest priority in the end
+ * (but biggest value).
+ */
+enum implicit_rule_index {
+	TAP_REMOTE_TX,
+	TAP_ISOLATE,
+	TAP_REMOTE_BROADCASTV6,
+	TAP_REMOTE_BROADCAST,
+	TAP_REMOTE_ALLMULTI,
+	TAP_REMOTE_PROMISC,
+	TAP_REMOTE_LOCAL_MAC,
+	TAP_REMOTE_MAX_IDX,
+};
+
+enum bpf_fd_idx {
+	SEC_L3_L4,
+	SEC_MAX,
+};
+
+int tap_dev_filter_ctrl(struct rte_eth_dev *dev,
+			enum rte_filter_type filter_type,
+			enum rte_filter_op filter_op,
+			void *arg);
+int tap_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error);
+
+int tap_flow_implicit_create(struct pmd_internals *pmd,
+			     enum implicit_rule_index idx);
+int tap_flow_implicit_destroy(struct pmd_internals *pmd,
+			      enum implicit_rule_index idx);
+int tap_flow_implicit_flush(struct pmd_internals *pmd,
+			    struct rte_flow_error *error);
+
+int tap_flow_bpf_cls_q(__u32 queue_idx);
+int tap_flow_bpf_calc_l3_l4_hash(__u32 key_idx, int map_fd);
+int tap_flow_bpf_rss_map_create(unsigned int key_size, unsigned int value_size,
+			unsigned int max_entries);
+int tap_flow_bpf_update_rss_elem(int fd, void *key, void *value);
+
+#endif /* _TAP_FLOW_H_ */