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|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Huawei HiNIC PCI Express Linux driver
* Copyright(c) 2017 Huawei Technologies Co., Ltd
*/
#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);
}
/**
* hinic_port_set_rx_mode - set rx mode in the nic device
* @nic_dev: nic device
* @rx_mode: the rx mode to set
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_set_rx_mode(struct hinic_dev *nic_dev, u32 rx_mode)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_port_rx_mode_cmd rx_mode_cmd;
rx_mode_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
rx_mode_cmd.rx_mode = rx_mode;
return hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_RX_MODE,
&rx_mode_cmd, sizeof(rx_mode_cmd),
NULL, NULL);
}
/**
* hinic_port_link_state - get the link state
* @nic_dev: nic device
* @link_state: the returned link state
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_link_state(struct hinic_dev *nic_dev,
enum hinic_port_link_state *link_state)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_port_link_cmd link_cmd;
struct pci_dev *pdev = hwif->pdev;
u16 out_size;
int err;
if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
dev_err(&pdev->dev, "unsupported PCI Function type\n");
return -EINVAL;
}
link_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_STATE,
&link_cmd, sizeof(link_cmd),
&link_cmd, &out_size);
if (err || (out_size != sizeof(link_cmd)) || link_cmd.status) {
dev_err(&pdev->dev, "Failed to get link state, ret = %d\n",
link_cmd.status);
return -EINVAL;
}
*link_state = link_cmd.state;
return 0;
}
/**
* hinic_port_set_state - set port state
* @nic_dev: nic device
* @state: the state to set
*
* Return 0 - Success, negative - Failure
**/
int hinic_port_set_state(struct hinic_dev *nic_dev, enum hinic_port_state state
|