From c126512bed52126f829bb4cc66d3dbfd58722bcf Mon Sep 17 00:00:00 2001
From: Ori Kam <orika@mellanox.com>
Date: Mon, 20 Jul 2020 06:26:08 +0000
Subject: [PATCH] regex/mlx5: support info query

This commit adds the get info function.

Signed-off-by: Ori Kam <orika@mellanox.com>
---
 drivers/regex/mlx5/Makefile     |  1 +
 drivers/regex/mlx5/meson.build  |  1 +
 drivers/regex/mlx5/mlx5_regex.c |  4 +++-
 drivers/regex/mlx5/mlx5_regex.h |  5 +++++
 drivers/regex/mlx5/mlx5_rxp.c   | 29 +++++++++++++++++++++++++++++
 5 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 drivers/regex/mlx5/mlx5_rxp.c

diff --git a/drivers/regex/mlx5/Makefile b/drivers/regex/mlx5/Makefile
index c5978b566f..aea98242e9 100644
--- a/drivers/regex/mlx5/Makefile
+++ b/drivers/regex/mlx5/Makefile
@@ -8,6 +8,7 @@ LIB = librte_pmd_mlx5_regex.a
 
 # Sources.
 SRCS-$(CONFIG_RTE_LIBRTE_MLX5_REGEX_PMD) += mlx5_regex.c
+SRCS-$(CONFIG_RTE_LIBRTE_MLX5_REGEX_PMD) += mlx5_rxp.c
 
 # Basic CFLAGS.
 CFLAGS += -O3
diff --git a/drivers/regex/mlx5/meson.build b/drivers/regex/mlx5/meson.build
index 6ebe6d48fb..0a4d41030b 100644
--- a/drivers/regex/mlx5/meson.build
+++ b/drivers/regex/mlx5/meson.build
@@ -11,6 +11,7 @@ fmt_name = 'mlx5_regex'
 deps += ['common_mlx5', 'bus_pci', 'eal', 'regexdev']
 sources = files(
 	'mlx5_regex.c',
+	'mlx5_rxp.c',
 )
 cflags_options = [
 	'-std=c11',
diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c
index 5c0b2c48ae..ce2216b2c0 100644
--- a/drivers/regex/mlx5/mlx5_regex.c
+++ b/drivers/regex/mlx5/mlx5_regex.c
@@ -20,7 +20,9 @@
 
 int mlx5_regex_logtype;
 
-static const struct rte_regexdev_ops mlx5_regexdev_ops = {0};
+const struct rte_regexdev_ops mlx5_regexdev_ops = {
+	.dev_info_get = mlx5_regex_info_get,
+};
 
 static struct ibv_device *
 mlx5_regex_get_ib_device_match(struct rte_pci_addr *addr)
diff --git a/drivers/regex/mlx5/mlx5_regex.h b/drivers/regex/mlx5/mlx5_regex.h
index 0ce1e4df36..9d0fc1660b 100644
--- a/drivers/regex/mlx5/mlx5_regex.h
+++ b/drivers/regex/mlx5/mlx5_regex.h
@@ -11,4 +11,9 @@ struct mlx5_regex_priv {
 	struct rte_pci_device *pci_dev;
 	struct rte_regexdev *regexdev; /* Pointer to the RegEx dev. */
 };
+
+/* mlx5_rxp.c */
+int mlx5_regex_info_get(struct rte_regexdev *dev,
+			struct rte_regexdev_info *info);
+
 #endif /* MLX5_REGEX_H */
diff --git a/drivers/regex/mlx5/mlx5_rxp.c b/drivers/regex/mlx5/mlx5_rxp.c
new file mode 100644
index 0000000000..9a9645f30d
--- /dev/null
+++ b/drivers/regex/mlx5/mlx5_rxp.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+
+#include <rte_log.h>
+#include <rte_errno.h>
+#include <rte_regexdev.h>
+#include <rte_regexdev_core.h>
+#include <rte_regexdev_driver.h>
+
+#include "mlx5_regex.h"
+
+#define MLX5_REGEX_MAX_MATCHES 255
+#define MLX5_REGEX_MAX_PAYLOAD_SIZE UINT16_MAX
+#define MLX5_REGEX_MAX_RULES_PER_GROUP UINT16_MAX
+#define MLX5_REGEX_MAX_GROUPS UINT16_MAX
+
+int
+mlx5_regex_info_get(struct rte_regexdev *dev __rte_unused,
+		    struct rte_regexdev_info *info)
+{
+	info->max_matches = MLX5_REGEX_MAX_MATCHES;
+	info->max_payload_size = MLX5_REGEX_MAX_PAYLOAD_SIZE;
+	info->max_rules_per_group = MLX5_REGEX_MAX_RULES_PER_GROUP;
+	info->max_groups = MLX5_REGEX_MAX_GROUPS;
+	info->regexdev_capa = RTE_REGEXDEV_SUPP_PCRE_GREEDY_F;
+	info->rule_flags = 0;
+	return 0;
+}
-- 
2.20.1