[PATCH v9 20/22] hash: move rte_thash_gfni stubs out of header file

[Stephen Hemminger <stephen@networkplumber.org>]

Having stubs in header file makes it harder to update
RTE_LOG(). Also modify to only print warning once.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/hash/meson.build      |  8 ++++++-
 lib/hash/rte_thash_gfni.c | 47 +++++++++++++++++++++++++++++++++++++++
 lib/hash/rte_thash_gfni.h | 28 +++++------------------
 lib/hash/version.map      |  4 ++++
 4 files changed, 63 insertions(+), 24 deletions(-)
 create mode 100644 lib/hash/rte_thash_gfni.c

diff --git a/lib/hash/meson.build b/lib/hash/meson.build
index 2f757d45f9bc..e56ee8572564 100644
--- a/lib/hash/meson.build
+++ b/lib/hash/meson.build
@@ -17,7 +17,13 @@ indirect_headers += files(
         'rte_thash_x86_gfni.h',
 )
 
-sources = files('rte_cuckoo_hash.c', 'rte_fbk_hash.c', 'rte_thash.c')
+sources = files(
+    'rte_cuckoo_hash.c',
+    'rte_fbk_hash.c',
+    'rte_thash.c',
+    'rte_thash_gfni.c'
+)
+
 deps += ['net']
 deps += ['ring']
 deps += ['rcu']
diff --git a/lib/hash/rte_thash_gfni.c b/lib/hash/rte_thash_gfni.c
new file mode 100644
index 000000000000..eb334185725c
--- /dev/null
+++ b/lib/hash/rte_thash_gfni.c
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Intel Corporation
+ */
+
+#include <stdbool.h>
+
+#include <rte_compat.h>
+#include <rte_log.h>
+#include <rte_thash_gfni.h>
+
+#ifndef RTE_THASH_GFNI_DEFINED
+
+uint32_t
+rte_thash_gfni(const uint64_t *mtrx __rte_unused,
+	       const uint8_t *key __rte_unused, int len __rte_unused)
+{
+	static bool warned;
+
+	if (!warned) {
+		warned = true;
+		RTE_LOG(ERR, HASH,
+			"%s is undefined under given arch\n", __func__);
+	}
+
+	return 0;
+}
+
+void
+rte_thash_gfni_bulk(const uint64_t *mtrx __rte_unused,
+		    int len __rte_unused, uint8_t *tuple[] __rte_unused,
+		    uint32_t val[], uint32_t num)
+{
+	unsigned int i;
+
+	static bool warned;
+
+	if (!warned) {
+		warned = true;
+		RTE_LOG(ERR, HASH,
+			"%s is undefined under given arch\n", __func__);
+	}
+
+	for (i = 0; i < num; i++)
+		val[i] = 0;
+}
+
+#endif
diff --git a/lib/hash/rte_thash_gfni.h b/lib/hash/rte_thash_gfni.h
index ef90faa302d1..86208eb45ebb 100644
--- a/lib/hash/rte_thash_gfni.h
+++ b/lib/hash/rte_thash_gfni.h
@@ -9,13 +9,8 @@
 extern "C" {
 #endif
 
-#include <rte_compat.h>
-#include <rte_log.h>
-
 #ifdef RTE_ARCH_X86
-
 #include <rte_thash_x86_gfni.h>
-
 #endif
 
 #ifndef RTE_THASH_GFNI_DEFINED
@@ -38,13 +33,8 @@ extern "C" {
  *  Calculated Toeplitz hash value.
  */
 __rte_experimental
-static inline uint32_t
-rte_thash_gfni(const uint64_t *mtrx __rte_unused,
-	const uint8_t *key __rte_unused, int len __rte_unused)
-{
-	RTE_LOG(ERR, HASH, "%s is undefined under given arch\n", __func__);
-	return 0;
-}
+uint32_t
+rte_thash_gfni(const uint64_t *mtrx, const uint8_t *key, int len);
 
 /**
  * Bulk implementation for Toeplitz hash.
@@ -67,17 +57,9 @@ rte_thash_gfni(const uint64_t *mtrx __rte_unused,
  *  Number of tuples to hash.
  */
 __rte_experimental
-static inline void
-rte_thash_gfni_bulk(const uint64_t *mtrx __rte_unused,
-	int len __rte_unused, uint8_t *tuple[] __rte_unused,
-	uint32_t val[], uint32_t num)
-{
-	unsigned int i;
-
-	RTE_LOG(ERR, HASH, "%s is undefined under given arch\n", __func__);
-	for (i = 0; i < num; i++)
-		val[i] = 0;
-}
+void
+rte_thash_gfni_bulk(const uint64_t *mtrx, int len, uint8_t *tuple[],
+		    uint32_t val[], uint32_t num);
 
 #endif /* RTE_THASH_GFNI_DEFINED */
 
diff --git a/lib/hash/version.map b/lib/hash/version.map
index bdcebd19c29b..f03b047b2eec 100644
--- a/lib/hash/version.map
+++ b/lib/hash/version.map
@@ -51,4 +51,8 @@ EXPERIMENTAL {
 	rte_thash_complete_matrix;
 	rte_thash_get_gfni_matrices;
 	rte_thash_gfni_supported;
+
+	# added in 22.07
+	rte_thash_gfni;
+	rte_thash_gfni_bulk;
 };
-- 
2.39.1