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path: root/drivers/net/ethernet/huawei/hinic/hinic_port.c
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Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_port.c')
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_port.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c
new file mode 100644
index 000000000000..5b249e8121bd
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c
@@ -0,0 +1,224 @@
+/*
+ * Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
+#include <linux/pci.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+
+#include "hinic_hw_if.h"
+#include "hinic_hw_dev.h"
+#include "hinic_port.h"
+#include "hinic_dev.h"
+
+#define HINIC_MIN_MTU_SIZE 256
+#define HINIC_MAX_JUMBO_FRAME_SIZE 15872
+
+enum mac_op {
+ MAC_DEL,
+ MAC_SET,
+};
+
+/**
+ * change_mac - change(add or delete) mac address
+ * @nic_dev: nic device
+ * @addr: mac address
+ * @vlan_id: vlan number to set with the mac
+ * @op: add or delete the mac
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+static int change_mac(struct hinic_dev *nic_dev, const u8 *addr,
+ u16 vlan_id, enum mac_op op)
+{
+ struct net_device *netdev = nic_dev->netdev;
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_mac_cmd port_mac_cmd;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ enum hinic_port_cmd cmd;
+ u16 out_size;
+ int err;
+
+ if (vlan_id >= VLAN_N_VID) {
+ netif_err(nic_dev, drv, netdev, "Invalid VLAN number\n");
+ return -EINVAL;
+ }
+
+ if (op == MAC_SET)
+ cmd = HINIC_PORT_CMD_SET_MAC;
+ else
+ cmd = HINIC_PORT_CMD_DEL_MAC;
+
+ port_mac_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
+ port_mac_cmd.vlan_id = vlan_id;
+ memcpy(port_mac_cmd.mac, addr, ETH_ALEN);
+
+ err = hinic_port_msg_cmd(hwdev, cmd, &port_mac_cmd,
+ sizeof(port_mac_cmd),
+ &port_mac_cmd, &out_size);
+ if (err || (out_size != sizeof(port_mac_cmd)) || port_mac_cmd.status) {
+ dev_err(&pdev->dev, "Failed to change MAC, ret = %d\n",
+ port_mac_cmd.status);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/**
+ * hinic_port_add_mac - add mac address
+ * @nic_dev: nic device
+ * @addr: mac address
+ * @vlan_id: vlan number to set with the mac
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_add_mac(struct hinic_dev *nic_dev,
+ const u8 *addr, u16 vlan_id)
+{
+ return change_mac(nic_dev, addr, vlan_id, MAC_SET);
+}
+
+/**
+ * hinic_port_del_mac - remove mac address
+ * @nic_dev: nic device
+ * @addr: mac address
+ * @vlan_id: vlan number that is connected to the mac
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_del_mac(struct hinic_dev *nic_dev, const u8 *addr,
+ u16 vlan_id)
+{
+ return change_mac(nic_dev, addr, vlan_id, MAC_DEL);
+}
+
+/**
+ * hinic_port_get_mac - get the mac address of the nic device
+ * @nic_dev: nic device
+ * @addr: returned mac address
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_get_mac(struct hinic_dev *nic_dev, u8 *addr)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_mac_cmd port_mac_cmd;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ u16 out_size;
+ int err;
+
+ port_mac_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_MAC,
+ &port_mac_cmd, sizeof(port_mac_cmd),
+ &port_mac_cmd, &out_size);
+ if (err || (out_size != sizeof(port_mac_cmd)) || port_mac_cmd.status) {
+ dev_err(&pdev->dev, "Failed to get mac, ret = %d\n",
+ port_mac_cmd.status);
+ return -EFAULT;
+ }
+
+ memcpy(addr, port_mac_cmd.mac, ETH_ALEN);
+ return 0;
+}
+
+/**
+ * hinic_port_set_mtu - set mtu
+ * @nic_dev: nic device
+ * @new_mtu: new mtu
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_set_mtu(struct hinic_dev *nic_dev, int new_mtu)
+{
+ struct net_device *netdev = nic_dev->netdev;
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_mtu_cmd port_mtu_cmd;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ int err, max_frame;
+ u16 out_size;
+
+ if (new_mtu < HINIC_MIN_MTU_SIZE) {
+ netif_err(nic_dev, drv, netdev, "mtu < MIN MTU size");
+ return -EINVAL;
+ }
+
+ max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+ if (max_frame > HINIC_MAX_JUMBO_FRAME_SIZE) {
+ netif_err(nic_dev, drv, netdev, "mtu > MAX MTU size");
+ return -EINVAL;
+ }
+
+ port_mtu_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
+ port_mtu_cmd.mtu = new_mtu;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU,
+ &port_mtu_cmd, sizeof(port_mtu_cmd),
+ &port_mtu_cmd, &out_size);
+ if (err || (out_size != sizeof(port_mtu_cmd)) || port_mtu_cmd.status) {
+ dev_err(&pdev->dev, "Failed to set mtu, ret = %d\n",
+ port_mtu_cmd.status);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/**
+ * hinic_port_add_vlan - add vlan to the nic device
+ * @nic_dev: nic device
+ * @vlan_id: the vlan number to add
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_add_vlan(struct hinic_dev *nic_dev, u16 vlan_id)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_vlan_cmd port_vlan_cmd;
+
+ port_vlan_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ port_vlan_cmd.vlan_id = vlan_id;
+
+ return hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ADD_VLAN,
+ &port_vlan_cmd, sizeof(port_vlan_cmd),
+ NULL, NULL);
+}
+
+/**
+ * hinic_port_del_vlan - delete vlan from the nic device
+ * @nic_dev: nic device
+ * @vlan_id: the vlan number to delete
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_del_vlan(struct hinic_dev *nic_dev, u16 vlan_id)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_port_vlan_cmd port_vlan_cmd;
+
+ port_vlan_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ port_vlan_cmd.vlan_id = vlan_id;
+
+ return hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_DEL_VLAN,
+ &port_vlan_cmd, sizeof(port_vlan_cmd),
+ NULL, NULL);
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.