net/tap: use SPDX tags in 6WIND copyrighted files

[dpdk.git] / drivers / net / tap / tap_flow.h

diff --git a/drivers/net/tap/tap_flow.h b/drivers/net/tap/tap_flow.h
index 377a9f7..ac6a952 100644 (file)
--- a/drivers/net/tap/tap_flow.h
+++ b/drivers/net/tap/tap_flow.h
@@ -1,34 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright 2017 6WIND S.A.
- *   Copyright 2017 Mellanox.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of 6WIND S.A. nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox.
  */
 
 #ifndef _TAP_FLOW_H_
@@ -36,6 +8,43 @@
 
 #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,
@@ -43,4 +52,17 @@ int tap_dev_filter_ctrl(struct rte_eth_dev *dev,
                        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_ */