net/i40e: support getting TM ops

To support QoS scheduler APIs, create a new C file for
the TM (Traffic Management) ops but without any function
implemented.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

drivers/net/i40e/Makefile

@@ -109,6 +109,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_pf.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_fdir.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_flow.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += rte_pmd_i40e.c
+SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_tm.c
 
 # install this header file
 SYMLINK-$(CONFIG_RTE_LIBRTE_I40E_PMD)-include := rte_pmd_i40e.h

drivers/net/i40e/i40e_ethdev.c

@@ -515,6 +515,7 @@ static const struct eth_dev_ops i40e_eth_dev_ops = {
 	.get_eeprom                   = i40e_get_eeprom,
 	.mac_addr_set                 = i40e_set_default_mac_addr,
 	.mtu_set                      = i40e_dev_mtu_set,
+	.tm_ops_get                   = i40e_tm_ops_get,
 };
 
 /* store statistics names and its offset in stats structure */

drivers/net/i40e/i40e_ethdev.h

@@ -39,6 +39,7 @@
 #include <rte_kvargs.h>
 #include <rte_hash.h>
 #include <rte_flow_driver.h>
+#include <rte_tm_driver.h>
 
 #define I40E_VLAN_TAG_SIZE        4
 
@@ -920,6 +921,7 @@ int i40e_add_macvlan_filters(struct i40e_vsi *vsi,
 			     struct i40e_macvlan_filter *filter,
 			     int total);
 bool is_i40e_supported(struct rte_eth_dev *dev);
+
 int i40e_validate_input_set(enum i40e_filter_pctype pctype,
 			    enum rte_filter_type filter, uint64_t inset);
 int i40e_generate_inset_mask_reg(uint64_t inset, uint32_t *mask,
@@ -927,6 +929,11 @@ int i40e_generate_inset_mask_reg(uint64_t inset, uint32_t *mask,
 uint64_t i40e_translate_input_set_reg(enum i40e_mac_type type, uint64_t input);
 void i40e_check_write_reg(struct i40e_hw *hw, uint32_t addr, uint32_t val);
 
+int i40e_tm_ops_get(struct rte_eth_dev *dev, void *ops);
+
+#define I40E_DEV_TO_PCI(eth_dev) \
+	RTE_DEV_TO_PCI((eth_dev)->device)
+
 /* I40E_DEV_PRIVATE_TO */
 #define I40E_DEV_PRIVATE_TO_PF(adapter) \
 	(&((struct i40e_adapter *)adapter)->pf)

drivers/net/i40e/i40e_tm.c

@@ -0,0 +1,51 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2017 Intel Corporation. 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 Intel Corporation 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 "base/i40e_prototype.h"
+#include "i40e_ethdev.h"
+
+const struct rte_tm_ops i40e_tm_ops = {
+	NULL,
+};
+
+int
+i40e_tm_ops_get(struct rte_eth_dev *dev __rte_unused,
+		void *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	*(const void **)arg = &i40e_tm_ops;
+
+	return 0;
+}