import 15.2.0 Octopus source

[ceph.git] / ceph / src / seastar / dpdk / drivers / net / sfc / sfc_flow.h

diff --git a/ceph/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h b/ceph/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h
index bfc34364c44734eb7d33e28e9859365f16b6b949..71ec18cb95cc4b7100c59cb7925638d36726cb01 100644 (file)
--- a/ceph/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h
+++ b/ceph/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h
@@ -1,32 +1,10 @@
-/*-
- *   BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2017 Solarflare Communications Inc.
+ * Copyright (c) 2017-2018 Solarflare Communications Inc.
  * All rights reserved.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * 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.
  */
 
 #ifndef _SFC_FLOW_H
@@ -41,9 +19,37 @@
 extern "C" {
 #endif
 
+/*
+ * The maximum number of fully elaborated hardware filter specifications
+ * which can be produced from a template by means of multiplication, if
+ * missing match flags are needed to be taken into account
+ */
+#define SF_FLOW_SPEC_NB_FILTERS_MAX 8
+
+/* RSS configuration storage */
+struct sfc_flow_rss {
+       unsigned int    rxq_hw_index_min;
+       unsigned int    rxq_hw_index_max;
+       unsigned int    rss_hash_types;
+       uint8_t         rss_key[EFX_RSS_KEY_SIZE];
+       unsigned int    rss_tbl[EFX_RSS_TBL_SIZE];
+};
+
+/* Filter specification storage */
+struct sfc_flow_spec {
+       /* partial specification from flow rule */
+       efx_filter_spec_t template;
+       /* fully elaborated hardware filters specifications */
+       efx_filter_spec_t filters[SF_FLOW_SPEC_NB_FILTERS_MAX];
+       /* number of complete specifications */
+       unsigned int count;
+};
+
 /* PMD-specific definition of the opaque type from rte_flow.h */
 struct rte_flow {
-       efx_filter_spec_t spec;         /* filter specification */
+       struct sfc_flow_spec spec;      /* flow spec for hardware filter(s) */
+       boolean_t rss;                  /* RSS toggle */
+       struct sfc_flow_rss rss_conf;   /* RSS configuration */
        TAILQ_ENTRY(rte_flow) entries;  /* flow list entries */
 };