Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 70 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h b/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h
new file mode 100644
index 000000000..71ec18cb9
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/sfc/sfc_flow.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * 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.
+ */
+
+#ifndef _SFC_FLOW_H
+#define _SFC_FLOW_H
+
+#include <rte_tailq.h>
+#include <rte_flow_driver.h>
+
+#include "efx.h"
+
+#ifdef __cplusplus
+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 {
+	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 */
+};
+
+TAILQ_HEAD(sfc_flow_list, rte_flow);
+
+extern const struct rte_flow_ops sfc_flow_ops;
+
+struct sfc_adapter;
+
+void sfc_flow_init(struct sfc_adapter *sa);
+void sfc_flow_fini(struct sfc_adapter *sa);
+int sfc_flow_start(struct sfc_adapter *sa);
+void sfc_flow_stop(struct sfc_adapter *sa);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _SFC_FLOW_H */