crypto/armv8: add PMD optimized for ARMv8 processors

This patch introduces crypto poll mode driver
using ARMv8 cryptographic extensions.
CPU compatibility with this driver is detected in
run-time and virtual crypto device will not be
created if CPU doesn't provide:
AES, SHA1, SHA2 and NEON.

This PMD is optimized to provide performance boost
for chained crypto operations processing,
such as encryption + HMAC generation,
decryption + HMAC validation. In particular,
cipher only or hash only operations are
not provided.

The driver currently supports AES-128-CBC
in combination with: SHA256 HMAC and SHA1 HMAC
and relies on the external armv8_crypto library:
https://github.com/caviumnetworks/armv8_crypto

Build ARMv8 crypto PMD if compiling for ARM64
and CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO option
is enable in the configuration file.
ARMV8_CRYPTO_LIB_PATH environment variable will
point to the appropriate library directory.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@caviumnetworks.com>
Reviewed-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>

MAINTAINERS

@@ -421,6 +421,11 @@ Crypto Drivers
 M: Pablo de Lara <pablo.de.lara.guarch@intel.com>
 T: git://dpdk.org/next/dpdk-next-crypto
 
+ARMv8 Crypto PMD
+M: Zbigniew Bodek <zbigniew.bodek@caviumnetworks.com>
+M: Jerin Jacob <jerin.jacob@caviumnetworks.com>
+F: drivers/crypto/armv8/
+
 Intel AES-NI GCM PMD
 M: Declan Doherty <declan.doherty@intel.com>
 F: drivers/crypto/aesni_gcm/

config/common_base

@@ -377,6 +377,12 @@ CONFIG_RTE_LIBRTE_CRYPTODEV_DEBUG=n
 CONFIG_RTE_CRYPTO_MAX_DEVS=64
 CONFIG_RTE_CRYPTODEV_NAME_LEN=64
 
+#
+# Compile PMD for ARMv8 Crypto device
+#
+CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO=n
+CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO_DEBUG=n
+
 #
 # Compile PMD for QuickAssist based devices
 #

devtools/test-build.sh

@@ -34,6 +34,7 @@ default_path=$PATH
 
 # Load config options:
 # - AESNI_MULTI_BUFFER_LIB_PATH
+# - ARMV8_CRYPTO_LIB_PATH
 # - DPDK_BUILD_TEST_CONFIGS (defconfig1+option1+option2 defconfig2)
 # - DPDK_DEP_ARCHIVE
 # - DPDK_DEP_CFLAGS
@@ -129,6 +130,7 @@ reset_env ()
 	unset DPDK_DEP_SZE
 	unset DPDK_DEP_ZLIB
 	unset AESNI_MULTI_BUFFER_LIB_PATH
+	unset ARMV8_CRYPTO_LIB_PATH
 	unset LIBSSO_SNOW3G_PATH
 	unset LIBSSO_KASUMI_PATH
 	unset LIBSSO_ZUC_PATH
@@ -176,6 +178,8 @@ config () # <directory> <target> <options>
 		sed -ri            's,(NFP_PMD=)n,\1y,' $1/.config
 		test "$DPDK_DEP_PCAP" != y || \
 		sed -ri               's,(PCAP=)n,\1y,' $1/.config
+		test -z "$ARMV8_CRYPTO_LIB_PATH" || \
+		sed -ri   's,(PMD_ARMV8_CRYPTO=)n,\1y,' $1/.config
 		test -z "$AESNI_MULTI_BUFFER_LIB_PATH" || \
 		sed -ri       's,(PMD_AESNI_MB=)n,\1y,' $1/.config
 		test "$DPDK_DEP_ISAL_CRYPTO" != y || \

drivers/crypto/Makefile

@@ -33,6 +33,7 @@ include $(RTE_SDK)/mk/rte.vars.mk
 
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_GCM) += aesni_gcm
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB) += aesni_mb
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += armv8
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_OPENSSL) += openssl
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_QAT) += qat
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_SNOW3G) += snow3g

drivers/crypto/armv8/Makefile

@@ -0,0 +1,72 @@
+#
+#   BSD LICENSE
+#
+#   Copyright (C) Cavium networks Ltd. 2017.
+#
+#   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 Cavium networks 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.
+#
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),config)
+ifeq ($(ARMV8_CRYPTO_LIB_PATH),)
+$(error "Please define ARMV8_CRYPTO_LIB_PATH environment variable")
+endif
+endif
+endif
+
+# library name
+LIB = librte_pmd_armv8.a
+
+# build flags
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+# library version
+LIBABIVER := 1
+
+# versioning export map
+EXPORT_MAP := rte_armv8_pmd_version.map
+
+# external library dependencies
+CFLAGS += -I$(ARMV8_CRYPTO_LIB_PATH)
+CFLAGS += -I$(ARMV8_CRYPTO_LIB_PATH)/asm/include
+LDLIBS += -L$(ARMV8_CRYPTO_LIB_PATH) -larmv8_crypto
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += rte_armv8_pmd.c
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += rte_armv8_pmd_ops.c
+
+# library dependencies
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += lib/librte_eal
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += lib/librte_mbuf
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += lib/librte_mempool
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += lib/librte_ring
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_ARMV8_CRYPTO) += lib/librte_cryptodev
+
+include $(RTE_SDK)/mk/rte.lib.mk