net/liquidio: add skeleton

Add makefile and config file options to compile PMD. Add feature and
version map file. Update maintainers file to claim responsibility.

Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>

MAINTAINERS

@@ -293,6 +293,12 @@ M: Maciej Czekaj <maciej.czekaj@caviumnetworks.com>
 F: drivers/net/thunderx/
 F: doc/guides/nics/thunderx.rst
 
+Cavium LiquidIO
+M: Shijith Thotton <shijith.thotton@cavium.com>
+M: Srisivasubramanian Srinivasan <ssrinivasan@cavium.com>
+F: drivers/net/liquidio/
+F: doc/guides/nics/features/liquidio.ini
+
 Chelsio cxgbe
 M: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
 F: drivers/net/cxgbe/

config/common_base

@@ -291,6 +291,11 @@ CONFIG_RTE_LIBRTE_THUNDERX_NICVF_DEBUG_TX=n
 CONFIG_RTE_LIBRTE_THUNDERX_NICVF_DEBUG_DRIVER=n
 CONFIG_RTE_LIBRTE_THUNDERX_NICVF_DEBUG_MBOX=n
 
+#
+# Compile burst-oriented Cavium LiquidIO PMD driver
+#
+CONFIG_RTE_LIBRTE_LIO_PMD=y
+
 #
 # Compile burst-oriented VIRTIO PMD driver
 #

doc/guides/nics/features/liquidio.ini

@@ -0,0 +1,7 @@
+;
+; Supported features of the 'LiquidIO' network poll mode driver.
+;
+; Refer to default.ini for the full list of available PMD features.
+;
+[Features]
+x86-64               = Y

drivers/net/Makefile

@@ -54,6 +54,8 @@ DIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e
 DEPDIRS-i40e = $(core-libs) librte_hash
 DIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe
 DEPDIRS-ixgbe = $(core-libs) librte_hash
+DIRS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += liquidio
+DEPDIRS-liquidio = $(core-libs)
 DIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4
 DEPDIRS-mlx4 = $(core-libs)
 DIRS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5

drivers/net/liquidio/Makefile

@@ -0,0 +1,59 @@
+#
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
+#   All rights reserved.
+#
+#   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, Inc. 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(S) 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
+
+#
+# library name
+#
+LIB = librte_pmd_lio.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR)/base -I$(SRCDIR)
+
+EXPORT_MAP := rte_pmd_lio_version.map
+
+LIBABIVER := 1
+
+VPATH += $(RTE_SDK)/drivers/net/liquidio/base
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_LIO_PMD) +=
+
+# this lib depends upon:
+DEPDIRS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lib/librte_eal lib/librte_ether
+DEPDIRS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lib/librte_mempool lib/librte_mbuf
+
+include $(RTE_SDK)/mk/rte.lib.mk

drivers/net/liquidio/rte_pmd_lio_version.map

@@ -0,0 +1,4 @@
+DPDK_17.05 {
+
+	local: *;
+};

mk/rte.app.mk

@@ -117,6 +117,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD)      += -lrte_pmd_ixgbe
 ifeq ($(CONFIG_RTE_LIBRTE_KNI),y)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_KNI)        += -lrte_pmd_kni
 endif
+_LDLIBS-$(CONFIG_RTE_LIBRTE_LIO_PMD)        += -lrte_pmd_lio
 _LDLIBS-$(CONFIG_RTE_LIBRTE_MLX4_PMD)       += -lrte_pmd_mlx4 -libverbs
 _LDLIBS-$(CONFIG_RTE_LIBRTE_MLX5_PMD)       += -lrte_pmd_mlx5 -libverbs
 _LDLIBS-$(CONFIG_RTE_LIBRTE_NFP_PMD)        += -lrte_pmd_nfp -lm