[PATCH v8 1/2] net/ixgbe: add API's for VF management

[Bernard Iremonger <bernard.iremonger@intel.com>]

Add API's to configure and manage VF's on an Intel 82559 NIC.

add rte_pmd_ixgbe_set_vf_vlan_anti_spoof function.
add rte_pmd_ixgbe_set_vf_mac_anti_spoof function.
add rte_pmd_ixgbe_set_vf_stripq function.

Signed-off-by: Alex Zelezniak <az5157@att.com>

add rte_pmd_ixgbe_set_vf_vlan_insert function.
add rte_pmd_ixgbe_set_tx_loopback function.
add rte_pmd_ixgbe_set_all_queues_drop function.
add rte_pmd_ixgbe_set_vf_split_drop_en function.
add rte_pmd_ixgbe_set_vf_mac_addr function.

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
 drivers/net/ixgbe/Makefile                  |   4 +-
 drivers/net/ixgbe/ixgbe_ethdev.c            | 240 ++++++++++++++++++++++++++++
 drivers/net/ixgbe/rte_pmd_ixgbe.h           | 182 +++++++++++++++++++++
 drivers/net/ixgbe/rte_pmd_ixgbe_version.map |  13 ++
 4 files changed, 438 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/ixgbe/rte_pmd_ixgbe.h

diff --git a/drivers/net/ixgbe/Makefile b/drivers/net/ixgbe/Makefile
index a6c71f3..94ddc7b 100644
--- a/drivers/net/ixgbe/Makefile
+++ b/drivers/net/ixgbe/Makefile
@@ -1,6 +1,6 @@
 #   BSD LICENSE
 #
-#   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+#   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
 #   All rights reserved.
 #
 #   Redistribution and use in source and binary forms, with or without
@@ -119,6 +119,8 @@ SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe_bypass.c
 SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe_82599_bypass.c
 endif
 
+# install this header file
+SYMLINK-$(CONFIG_RTE_LIBRTE_IXGBE_PMD)-include := rte_pmd_ixgbe.h
 
 # this lib depends upon:
 DEPDIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += lib/librte_eal lib/librte_ether
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 6b3d4fa..35281f9 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -72,6 +72,8 @@
 #include "base/ixgbe_phy.h"
 #include "ixgbe_regs.h"
 
+#include "rte_pmd_ixgbe.h"
+
 /*
  * High threshold controlling when to start sending XOFF frames. Must be at
  * least 8 bytes less than receive packet buffer size. This value is in units
@@ -4046,6 +4048,35 @@ ixgbe_set_default_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr)
 	ixgbe_add_rar(dev, addr, 0, 0);
 }
 
+int
+rte_pmd_ixgbe_set_vf_mac_addr(uint8_t port, uint16_t vf, struct ether_addr *mac_addr)
+{
+	struct ixgbe_hw *hw;
+	struct ixgbe_vf_info *vfinfo;
+	int rar_entry;
+	uint8_t *new_mac = (uint8_t *)(mac_addr);
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf >= dev_info.max_vfs)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	vfinfo = *(IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
+	rar_entry = hw->mac.num_rar_entries - (vf + 1);
+
+	if (is_valid_assigned_ether_addr((struct ether_addr *)new_mac)) {
+		rte_memcpy(vfinfo[vf].vf_mac_addresses, new_mac, ETHER_ADDR_LEN);
+		return hw->mac.ops.set_rar(hw, rar_entry, new_mac, vf, IXGBE_RAH_AV);
+	}
+	return -EINVAL;
+}
+
 static int
 ixgbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 {
@@ -4639,6 +4670,215 @@ ixgbe_set_pool_vlan_filter(struct rte_eth_dev *dev, uint16_t vlan,
 	return ret;
 }
 
+int
+rte_pmd_ixgbe_set_vf_vlan_anti_spoof(uint8_t port, uint16_t vf, uint8_t on)
+{
+	struct ixgbe_hw *hw;
+	struct ixgbe_mac_info *mac;
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf >= dev_info.max_vfs)
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	mac = &hw->mac;
+
+	mac->ops.set_vlan_anti_spoofing(hw, on, vf);
+
+	return 0;
+}
+
+int
+rte_pmd_ixgbe_set_vf_mac_anti_spoof(uint8_t port, uint16_t vf, uint8_t on)
+{
+	struct ixgbe_hw *hw;
+	struct ixgbe_mac_info *mac;
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf >= dev_info.max_vfs)
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	mac = &hw->mac;
+	mac->ops.set_mac_anti_spoofing(hw, on, vf);
+
+	return 0;
+}
+
+int
+rte_pmd_ixgbe_set_vf_vlan_insert(uint8_t port, uint16_t vf, uint8_t on)
+{
+	struct ixgbe_hw *hw;
+	uint32_t ctrl;
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf >= dev_info.max_vfs)
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	ctrl = IXGBE_READ_REG(hw, IXGBE_VMVIR(vf));
+	if (on) {
+		ctrl = on;
+		ctrl |= IXGBE_VMVIR_VLANA_DEFAULT;
+	} else {
+		ctrl = 0;
+	}
+
+	IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), ctrl);
+
+	return 0;
+}
+
+int
+rte_pmd_ixgbe_set_tx_loopback(uint8_t port, uint8_t on)
+{
+	struct ixgbe_hw *hw;
+	uint32_t ctrl;
+	struct rte_eth_dev *dev;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+
+	if (on > 1)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	ctrl = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
+	/* enable or disable VMDQ loopback */
+	if (on)
+		ctrl |= IXGBE_PFDTXGSWC_VT_LBEN;
+	else
+		ctrl &= ~IXGBE_PFDTXGSWC_VT_LBEN;
+
+	IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, ctrl);
+
+	return 0;
+}
+
+int
+rte_pmd_ixgbe_set_all_queues_drop_en(uint8_t port, uint8_t on)
+{
+	struct ixgbe_hw *hw;
+	uint32_t reg_value;
+	int i;
+	int num_queues = (int)(IXGBE_QDE_IDX_MASK >> IXGBE_QDE_IDX_SHIFT);
+	struct rte_eth_dev *dev;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+
+	if (on > 1)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	for (i = 0; i <= num_queues; i++) {
+		reg_value = IXGBE_QDE_WRITE |
+				(i << IXGBE_QDE_IDX_SHIFT) |
+				(on & IXGBE_QDE_ENABLE);
+		IXGBE_WRITE_REG(hw, IXGBE_QDE, reg_value);
+	}
+
+	return 0;
+}
+
+int
+rte_pmd_ixgbe_set_vf_split_drop_en(uint8_t port, uint16_t vf, uint8_t on)
+{
+	struct ixgbe_hw *hw;
+	uint32_t reg_value;
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	/* only support VF's 0 to 63 */
+	if ((vf >= dev_info.max_vfs) || (vf > 63))
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	reg_value = IXGBE_READ_REG(hw, IXGBE_SRRCTL(vf));
+	if (on)
+		reg_value |= IXGBE_SRRCTL_DROP_EN;
+	else
+		reg_value &= ~IXGBE_SRRCTL_DROP_EN;
+
+	IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(vf), reg_value);
+
+	return 0;
+}
+
+int
+rte_pmd_ixgbe_set_vf_vlan_stripq(uint8_t port, uint16_t vf, uint8_t on)
+{
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+	uint16_t queues_per_pool;
+	uint32_t q;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf >= dev_info.max_vfs)
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
+
+	/* The PF has 128 queue pairs and in SRIOV configuration
+	 * those queues will be assigned to VF's, so RXDCTL
+	 * registers will be dealing with queues which will be
+	 * assigned to VF's.
+	 * Let's say we have SRIOV configured with 31 VF's then the
+	 * first 124 queues 0-123 will be allocated to VF's and only
+	 * the last 4 queues 123-127 will be assigned to the PF.
+	 */
+
+	queues_per_pool = dev_info.vmdq_queue_num / dev_info.max_vmdq_pools;
+
+	for (q = 0; q < queues_per_pool; q++)
+		(*dev->dev_ops->vlan_strip_queue_set)(dev, q + vf * queues_per_pool, on);
+	return 0;
+}
+
 #define IXGBE_MRCTL_VPME  0x01 /* Virtual Pool Mirroring. */
 #define IXGBE_MRCTL_UPME  0x02 /* Uplink Port Mirroring. */
 #define IXGBE_MRCTL_DPME  0x04 /* Downlink Port Mirroring. */
diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe.h b/drivers/net/ixgbe/rte_pmd_ixgbe.h
new file mode 100644
index 0000000..2689668
--- /dev/null
+++ b/drivers/net/ixgbe/rte_pmd_ixgbe.h
@@ -0,0 +1,182 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 Intel Corporation. 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.
+ */
+
+/**
+ * @file rte_pmd_ixgbe.h
+ * ixgbe PMD specific functions.
+ *
+ **/
+
+#ifndef _PMD_IXGBE_H_
+#define _PMD_IXGBE_H_
+
+#include <rte_ethdev.h>
+
+/**
+ * Set the VF MAC address.
+ *
+ * @param port
+ *   The port identifier of the Ethernet device.
+ * @param vf
+ *   VF id.
+ * @param mac_addr
+ *   VF MAC address.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if *vf* or *mac_addr* is invalid.
+ */
+int rte_pmd_ixgbe_set_vf_mac_addr(uint8_t port, uint16_t vf, struct ether_addr *mac_addr);
+
+/**
+ * Enable/Disable VF VLAN anti spoofing.
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    VF on which to set VLAN anti spoofing.
+ * @param on
+ *    1 - Enable VFs VLAN anti spoofing.
+ *    0 - Disable VFs VLAN anti spoofing.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_ixgbe_set_vf_vlan_anti_spoof(uint8_t port, uint16_t vf, uint8_t on);
+
+/**
+ * Enable/Disable VF MAC anti spoofing.
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    VF on which to set MAC anti spoofing.
+ * @param on
+ *    1 - Enable VFs MAC anti spoofing.
+ *    0 - Disable VFs MAC anti spoofing.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_ixgbe_set_vf_mac_anti_spoof(uint8_t port, uint16_t vf, uint8_t on);
+
+/**
+ * Enable/Disable vf vlan insert
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    ID specifying VF.
+ * @param on
+ *    1 - Enable VF's vlan insert.
+ *    0 - Disable VF's vlan insert
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_ixgbe_set_vf_vlan_insert(uint8_t port, uint16_t vf,	uint8_t on);
+
+/**
+ * Enable/Disable tx loopback
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param on
+ *    1 - Enable tx loopback.
+ *    0 - Disable tx loopback.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_ixgbe_set_tx_loopback(uint8_t port, uint8_t on);
+
+/**
+ * set all queues drop enable bit
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param on
+ *    1 - set the queue drop enable bit for all pools.
+ *    0 - reset the queue drop enable bit for all pools.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_ixgbe_set_all_queues_drop_en(uint8_t port, uint8_t on);
+
+/**
+ * set drop enable bit in the VF split rx control register
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    ID specifying VF.
+ * @param on
+ *    1 - set the drop enable bit in the split rx control register.
+ *    0 - reset the drop enable bit in the split rx control register.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+
+int rte_pmd_ixgbe_set_vf_split_drop_en(uint8_t port, uint16_t vf, uint8_t on);
+
+/**
+ * Enable/Disable vf vlan strip for all queues in a pool
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    ID specifying VF.
+ * @param on
+ *    1 - Enable VF's vlan strip on RX queues.
+ *    0 - Disable VF's vlan strip on RX queues.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support this feature.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int
+rte_pmd_ixgbe_set_vf_vlan_stripq(uint8_t port, uint16_t vf, uint8_t on);
+#endif /* _PMD_IXGBE_H_ */
diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe_version.map b/drivers/net/ixgbe/rte_pmd_ixgbe_version.map
index ef35398..92434f3 100644
--- a/drivers/net/ixgbe/rte_pmd_ixgbe_version.map
+++ b/drivers/net/ixgbe/rte_pmd_ixgbe_version.map
@@ -2,3 +2,16 @@ DPDK_2.0 {
 
 	local: *;
 };
+
+DPDK_16.11 {
+	global:
+
+	rte_pmd_ixgbe_set_all_queues_drop_en;
+	rte_pmd_ixgbe_set_tx_loopback;
+	rte_pmd_ixgbe_set_vf_mac_addr;
+	rte_pmd_ixgbe_set_vf_mac_anti_spoof;
+	rte_pmd_ixgbe_set_vf_split_drop_en;
+	rte_pmd_ixgbe_set_vf_vlan_anti_spoof;
+	rte_pmd_ixgbe_set_vf_vlan_insert;
+	rte_pmd_ixgbe_set_vf_vlan_stripq;
+} DPDK_2.0;
-- 
2.9.0