#include <linux/pci.h>
#include <linux/if_vlan.h>
#include <linux/interrupt.h>
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
#include <linux/module.h>
#include "hinic_hw_dev.h"
#include "hinic_dev.h"
#include "hinic_hw_mbox.h"
#include "hinic_hw_cmdq.h"
#include "hinic_port.h"
#include "hinic_sriov.h"
static unsigned char set_vf_link_state;
module_param(set_vf_link_state, byte, 0444);
MODULE_PARM_DESC(set_vf_link_state, "Set vf link state, 0 represents link auto, 1 represents link always up, 2 represents link always down. - default is 0.");
#define HINIC_VLAN_PRIORITY_SHIFT 13
#define HINIC_ADD_VLAN_IN_MAC 0x8000
#define HINIC_TX_RATE_TABLE_FULL 12
#define HINIC_MAX_QOS 7
static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr,
u16 vlan_id, u16 func_id)
{
struct hinic_port_mac_cmd mac_info = {0};
u16 out_size = sizeof(mac_info);
int err;
mac_info.func_idx = func_id;
mac_info.vlan_id = vlan_id;
memcpy(mac_info.mac, mac_addr, ETH_ALEN);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_MAC, &mac_info,
sizeof(mac_info), &mac_info, &out_size);
if (err || out_size != sizeof(mac_info) ||
(mac_info.status && mac_info.status != HINIC_MGMT_STATUS_EXIST)) {
dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set MAC, err: %d, status: 0x%x, out size: 0x%x\n",
err, mac_info.status, out_size);
return -EIO;
}
return 0;
}
static void hinic_notify_vf_link_status(struct hinic_hwdev *hwdev, u16 vf_id,
u8 link_status)
{
struct vf_data_storage *vf_infos = hwdev->func_to_io.vf_infos;
struct hinic_port_link_status link = {0};
u16 out_size = sizeof(link);
int err;
if (vf_infos[HW_VF_ID_TO_OS(vf_id)].registered) {
link.link = link_status;
link.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
err = hinic_mbox_to_vf(hwdev, HINIC_MOD_L2NIC,
vf_id, HINIC_PORT_CMD_LINK_STATUS_REPORT,
&link, sizeof(link),
&link, &out_size, 0);
if (err || !out_size || link.status)
dev_err(&hwdev->hwif->pdev->dev,
"Send link change event to VF %d failed, err: %d, status: 0x%x, out_size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), err,
link.status, out_size);
}
}
void hinic_notify_all_vfs_link_changed(struct hinic_hwdev *hwdev,
u8 link_status)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
u16 i;
nic_io->link_status = link_status;
for (i = 1; i <= nic_io->max_vfs; i++) {
if (!nic_io->vf_infos[HW_VF_ID_TO_OS(i)].link_forced)
hinic_notify_vf_link_status(hwdev, i, link_status);
}
}
static u16 hinic_vf_info_vlanprio(struct hinic_hwdev *hwdev, int vf_id)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
u16 pf_vlan, vlanprio;
u8 pf_qos;
pf_vlan = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan;
pf_qos = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos;
vlanprio = pf_vlan | pf_qos << HINIC_VLAN_PRIORITY_SHIFT;
return vlanprio;
}
static int hinic_set_vf_vlan(struct hinic_hwdev *hwdev, bool add, u16 vid,
u8 qos, int vf_id)
{
struct hinic_vf_vlan_config vf_vlan = {0};
u16 out_size = sizeof(vf_vlan);
int err;
u8 cmd;
if (!vid && !add)
return 0;
vf_vlan.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
vf_vlan.vlan_id = vid;
vf_vlan.qos = qos;
if (add)
cmd = HINIC_PORT_CMD_SET_VF_VLAN;
else
cmd = HINIC_PORT_CMD_CLR_VF_VLAN;
err = hinic_port_msg_cmd(hwdev, cmd, &vf_vlan,
sizeof(vf_vlan), &vf_vlan, &out_size);
if (err || !out_size || vf_vlan.status) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d vlan, err: %d, status: 0x%x, out size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), err, vf_vlan.status, out_size);
return -EFAULT;
}
return 0;
}
static int hinic_set_vf_tx_rate_max_min(struct hinic_hwdev *hwdev, u16 vf_id,
u32 max_rate, u32 min_rate)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
struct hinic_tx_rate_cfg_max_min rate_cfg = {0};
u16 out_size = sizeof(rate_cfg);
int err;
rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
rate_cfg.max_rate = max_rate;
rate_cfg.min_rate = min_rate;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE,
&rate_cfg, sizeof(rate_cfg), &rate_cfg,
&out_size);
if ((rate_cfg.status != HINIC_MGMT_CMD_UNSUPPORTED &&
rate_cfg.status) || err || !out_size) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) max rate(%d), min rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), max_rate, min_rate, err,
rate_cfg.status, out_size);
return -EIO;
}
if (!rate_cfg.status) {
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = max_rate;
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = min_rate;
}
return rate_cfg.status;
}
static int hinic_set_vf_rate_limit(struct hinic_hwdev *hwdev, u16 vf_id,
u32 tx_rate)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
struct hinic_tx_rate_cfg rate_cfg = {0};
u16 out_size = sizeof(rate_cfg);
int err;
rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
rate_cfg.tx_rate = tx_rate;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_RATE,
&rate_cfg, sizeof(rate_cfg), &rate_cfg,
&out_size);
if (err || !out_size || rate_cfg.status) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), tx_rate, err, rate_cfg.status,
out_size);
if (rate_cfg.status)
return rate_cfg.status;
return -EIO;
}
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = tx_rate;
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = 0;
return 0;
}
static int hinic_set_vf_tx_rate(struct hinic_hwdev *hwdev, u16 vf_id,
u32 max_rate, u32 min_rate)
{
int err;
err = hinic_set_vf_tx_rate_max_min(hwdev, vf_id, max_rate, min_rate);
if (err != HINIC_MGMT_CMD_UNSUPPORTED)
return err;
if (min_rate) {
dev_err(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate\n");
return -EOPNOTSUPP;
}
dev_info(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate, force min_tx_rate = max_tx_rate\n");
return hinic_set_vf_rate_limit(hwdev, vf_id, max_rate);
}
static int hinic_init_vf_config(struct hinic_hwdev *hwdev, u16 vf_id)
{
struct vf_data_storage *vf_info;
u16 func_id, vlan_id;
int err = 0;
vf_info = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
if (vf_info->pf_set_mac) {
func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
vlan_id = 0;
err = hinic_set_mac(hwdev, vf_info->vf_mac_addr, vlan_id,
func_id);
if (err) {
dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set VF %d MAC\n",
HW_VF_ID_TO_OS(vf_id));
return err;
}
}
if (hinic_vf_info_vlanprio(hwdev, vf_id)) {
err = hinic_set_vf_vlan(hwdev, true, vf_info->pf_vlan,
vf_info->pf_qos, vf_id);
if (err) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to add VF %d VLAN_QOS\n",
HW_VF_ID_TO_OS(vf_id));
return err;
}
}
if (vf_info->max_rate) {
err = hinic_set_vf_tx_rate(hwdev, vf_id, vf_info->max_rate,
vf_info->min_rate);
if (err) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d max rate: %d, min rate: %d\n",
HW_VF_ID_TO_OS(vf_id), vf_info->max_rate,
vf_info->min_rate);
return err;
}
}
return 0;
}
static int hinic_register_vf_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_register_vf *register_info = buf_out;
struct hinic_hwdev *hw_dev = hwdev;
struct hinic_func_to_io *nic_io;
int err;
nic_io = &hw_dev->func_to_io;
if (vf_id > nic_io->max_vfs) {
dev_err(&hw_dev->hwif->pdev->dev, "Register VF id %d exceed limit[0-%d]\n",
HW_VF_ID_TO_OS(vf_id), HW_VF_ID_TO_OS(nic_io->max_vfs));
register_info->status = EFAULT;
return -EFAULT;
}
*out_size = sizeof(*register_info);
err = hinic_init_vf_config(hw_dev, vf_id);
if (err) {
register_info->status = EFAULT;
return err;
}
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = true;
return 0;
}
static int hinic_unregister_vf_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_hwdev *hw_dev = hwdev;
struct hinic_func_to_io *nic_io;
nic_io = &hw_dev->func_to_io;
*out_size = 0;
if (vf_id > nic_io->max_vfs)
return 0;
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = false;
return 0;
}
static int hinic_change_vf_mtu_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_hwdev *hw_dev = hwdev;
int err;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU, buf_in,
in_size, buf_out, out_size);
if (err) {
dev_err(&hw_dev->hwif->pdev->dev, "Failed to set VF %u mtu\n",
vf_id);
return err;
}
return 0;
}
static int hinic_get_vf_mac_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_port_mac_cmd *mac_info = buf_out;
struct hinic_hwdev *dev = hwdev;
struct hinic_func_to_io *nic_io;
struct vf_data_storage *vf_info;
nic_io = &dev->func_to_io;
vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
memcpy(mac_info->mac, vf_info->vf_mac_addr, ETH_ALEN);
mac_info->status = 0;
*out_size = sizeof(*mac_info);
return 0;
}
static int hinic_set_vf_mac_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_port_mac_cmd *mac_out = buf_out;
struct hinic_port_mac_cmd *mac_in = buf_in;
struct hinic_hwdev *hw_dev = hwdev;
struct hinic_func_to_io *nic_io;
struct vf_data_storage *vf_info;
int err;
nic_io = &hw_dev->func_to_io;
vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
if (vf_info->pf_set_mac && !(vf_info->trust) &&
is_valid_ether_addr(mac_in->mac)) {
dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF %d MAC address\n",
HW_VF_ID_TO_OS(vf_id));
mac_out->status = HINIC_PF_SET_VF_ALREADY;
*out_size = sizeof(*mac_out);
return 0;
}
err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_SET_MAC, buf_in,
in_size, buf_out, out_size);
if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
dev_err(&hw_dev->hwif->pdev->dev,
"Failed to set VF %d MAC address, err: %d, status: 0x%x, out size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
return -EFAULT;
}
return err;
}
static int hinic_del_vf_mac_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_port_mac_cmd *mac_out = buf_out;
struct hinic_port_mac_cmd *mac_in = buf_in;
struct hinic_hwdev *hw_dev = hwdev;
struct hinic_func_to_io *nic_io;
struct vf_data_storage *vf_info;
int err;
nic_io = &hw_dev->func_to_io;
vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
if (vf_info->pf_set_mac && is_valid_ether_addr(mac_in->mac) &&
!memcmp(vf_info->vf_mac_addr, mac_in->mac, ETH_ALEN)) {
dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF mac.\n");
mac_out->status = HINIC_PF_SET_VF_ALREADY;
*out_size = sizeof(*mac_out);
return 0;
}
err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_DEL_MAC, buf_in,
in_size, buf_out, out_size);
if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
dev_err(&hw_dev->hwif->pdev->dev, "Failed to delete VF %d MAC, err: %d, status: 0x%x, out size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
return -EFAULT;
}
return err;
}
static int hinic_get_vf_link_status_msg_handler(void *hwdev, u16 vf_id,
void *buf_in, u16 in_size,
void *buf_out, u16 *out_size)
{
struct hinic_port_link_cmd *get_link = buf_out;
struct hinic_hwdev *hw_dev = hwdev;
struct vf_data_storage *vf_infos;
struct hinic_func_to_io *nic_io;
bool link_forced, link_up;
nic_io = &hw_dev->func_to_io;
vf_infos = nic_io->vf_infos;
link_forced = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced;
link_up = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up;
if (link_forced)
get_link->state = link_up ?
HINIC_LINK_STATE_UP : HINIC_LINK_STATE_DOWN;
else
get_link->state = nic_io->link_status;
get_link->status = 0;
*out_size = sizeof(*get_link);
return 0;
}
static bool check_func_table(struct hinic_hwdev *hwdev, u16 func_idx,
void *buf_in, u16 in_size)
{
struct hinic_cmd_fw_ctxt *function_table = buf_in;
if (!hinic_mbox_check_func_id_8B(hwdev, func_idx, buf_in, in_size) ||
!function_table->rx_buf_sz)
return false;
return true;
}
static struct vf_cmd_msg_handle nic_vf_cmd_msg_handler[] = {
{HINIC_PORT_CMD_VF_REGISTER, hinic_register_vf_msg_handler},
{HINIC_PORT_CMD_VF_UNREGISTER, hinic_unregister_vf_msg_handler},
{HINIC_PORT_CMD_CHANGE_MTU, hinic_change_vf_mtu_msg_handler},
{HINIC_PORT_CMD_GET_MAC, hinic_get_vf_mac_msg_handler},
{HINIC_PORT_CMD_SET_MAC, hinic_set_vf_mac_msg_handler},
{HINIC_PORT_CMD_DEL_MAC, hinic_del_vf_mac_msg_handler},
{HINIC_PORT_CMD_GET_LINK_STATE, hinic_get_vf_link_status_msg_handler},
};
static struct vf_cmd_check_handle nic_cmd_support_vf[] = {
{HINIC_PORT_CMD_VF_REGISTER, NULL},
{HINIC_PORT_CMD_VF_UNREGISTER, NULL},
{HINIC_PORT_CMD_CHANGE_MTU, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_ADD_VLAN, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_DEL_VLAN, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_MAC, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_MAC, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_DEL_MAC, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RX_MODE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_PAUSE_INFO, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_LINK_STATE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_LRO, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RX_CSUM, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RX_VLAN_OFFLOAD, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_VPORT_STAT, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_CLEAN_VPORT_STAT, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_RSS_TEMPLATE_INDIR_TBL,
hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_RSS_TEMP_MGR, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_RSS_CFG, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_FWCTXT_INIT, check_func_table},
{HINIC_PORT_CMD_GET_MGMT_VERSION, NULL},
{HINIC_PORT_CMD_SET_FUNC_STATE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_GLOBAL_QPN, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_TSO, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_RQ_IQ_MAP, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_LINK_STATUS_REPORT, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_UPDATE_MAC, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_CAP, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_LINK_MODE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_GET_VF_COS, NULL},
{HINIC_PORT_CMD_SET_VHD_CFG, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_VLAN_FILTER, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_Q_FILTER, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_TCAM_FILTER, NULL},
{HINIC_PORT_CMD_UP_TC_ADD_FLOW, NULL},
{HINIC_PORT_CMD_UP_TC_DEL_FLOW, NULL},
{HINIC_PORT_CMD_UP_TC_FLUSH_TCAM, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_UP_TC_CTRL_TCAM_BLOCK, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_UP_TC_ENABLE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_CABLE_PLUG_EVENT, NULL},
{HINIC_PORT_CMD_LINK_ERR_EVENT, NULL},
{HINIC_PORT_CMD_SET_PORT_STATE, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_ETS, NULL},
{HINIC_PORT_CMD_SET_ANTI_ATTACK_RATE, NULL},
{HINIC_PORT_CMD_RESET_LINK_CFG, hinic_mbox_check_func_id_8B},
{HINIC_PORT_CMD_SET_LINK_FOLLOW, NULL},
{HINIC_PORT_CMD_CLEAR_QP_RES, NULL},
};
#define CHECK_IPSU_15BIT 0X8000
static
struct hinic_sriov_info *hinic_get_sriov_info_by_pcidev(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct hinic_dev *nic_dev = netdev_priv(netdev);
return &nic_dev->sriov_info;
}
static int hinic_check_mac_info(u8 status, u16 vlan_id)
{
if ((status && status != HINIC_MGMT_STATUS_EXIST) ||
(vlan_id & CHECK_IPSU_15BIT &&
status == HINIC_MGMT_STATUS_EXIST))
return -EINVAL;
return 0;
}
#define HINIC_VLAN_ID_MASK 0x7FFF
static int hinic_update_mac(struct hinic_hwdev *hwdev, u8 *old_mac,
u8 *new_mac, u16 vlan_id, u16 func_id)
{
struct hinic_port_mac_update mac_info = {0};
u16 out_size = sizeof(mac_info);
int err;
if (!hwdev || !old_mac || !new_mac)
return -EINVAL;
if ((vlan_id & HINIC_VLAN_ID_MASK) >= VLAN_N_VID) {
dev_err(&hwdev->hwif->pdev->dev, "Invalid VLAN number: %d\n",
(vlan_id & HINIC_VLAN_ID_MASK));
return -EINVAL;
}
mac_info.func_id = func_id;
mac_info.vlan_id = vlan_id;
memcpy(mac_info.old_mac, old_mac, ETH_ALEN);
memcpy(mac_info.new_mac, new_mac, ETH_ALEN);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_UPDATE_MAC, &mac_info,
sizeof(mac_info), &mac_info, &out_size);
if (err || !out_size ||
hinic_check_mac_info(mac_info.status, mac_info.vlan_id)) {
dev_err(&hwdev->hwif->pdev->dev,
"Failed to update MAC, err: %d, status: 0x%x, out size: 0x%x\n",
err, mac_info.status, out_size);
return -EINVAL;
}
if (mac_info.status == HINIC_MGMT_STATUS_EXIST)
dev_warn(&hwdev->hwif->pdev->dev, "MAC is repeated. Ignore update operation\n");
return 0;
}
static void hinic_get_vf_config(struct hinic_hwdev *hwdev, u16 vf_id,
struct ifla_vf_info *ivi)
{
struct vf_data_storage *vfinfo;
vfinfo = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
ivi->vf = HW_VF_ID_TO_OS(vf_id);
memcpy(ivi->mac, vfinfo->vf_mac_addr, ETH_ALEN);
ivi->vlan = vfinfo->pf_vlan;
ivi->qos = vfinfo->pf_qos;
ivi->spoofchk = vfinfo->spoofchk;
ivi->trusted = vfinfo->trust;
ivi->max_tx_rate = vfinfo->max_rate;
ivi->min_tx_rate = vfinfo->min_rate;
if (!vfinfo->link_forced)
ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
else if (vfinfo->link_up)
ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
else
ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
}
int hinic_ndo_get_vf_config(struct net_device *netdev,
int vf, struct ifla_vf_info *ivi)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_sriov_info *sriov_info;
sriov_info = &nic_dev->sriov_info;
if (vf >= sriov_info->num_vfs)
return -EINVAL;
hinic_get_vf_config(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), ivi);
return 0;
}
static int hinic_set_vf_mac(struct hinic_hwdev *hwdev, int vf,
unsigned char *mac_addr)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
struct vf_data_storage *vf_info;
u16 func_id;
int err;
vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf);
if (vf_info->pf_set_mac &&
!memcmp(vf_info->vf_mac_addr, mac_addr, ETH_ALEN))
return 0;
vf_info->pf_set_mac = true;
func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf;
err = hinic_update_mac(hwdev, vf_info->vf_mac_addr,
mac_addr, 0, func_id);
if (err) {
vf_info->pf_set_mac = false;
return err;
}
memcpy(vf_info->vf_mac_addr, mac_addr, ETH_ALEN);
return 0;
}
int hinic_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_sriov_info *sriov_info;
int err;
sriov_info = &nic_dev->sriov_info;
if (!is_valid_ether_addr(mac) || vf >= sriov_info->num_vfs)
return -EINVAL;
err = hinic_set_vf_mac(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), mac);
if (err)
return err;
netif_info(nic_dev, drv, netdev, "Setting MAC %pM on VF %d\n", mac, vf);
netif_info(nic_dev, drv, netdev, "Reload the VF driver to make this change effective.");
return 0;
}
static int hinic_add_vf_vlan(struct hinic_hwdev *hwdev, int vf_id,
u16 vlan, u8 qos)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
int err;
err = hinic_set_vf_vlan(hwdev, true, vlan, qos, vf_id);
if (err)
return err;
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = vlan;
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = qos;
dev_info(&hwdev->hwif->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
vlan, qos, HW_VF_ID_TO_OS(vf_id));
return 0;
}
static int hinic_kill_vf_vlan(struct hinic_hwdev *hwdev, int vf_id)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
int err;
err = hinic_set_vf_vlan(hwdev, false,
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos,
vf_id);
if (err)
return err;
dev_info(&hwdev->hwif->pdev->dev, "Remove VLAN %d on VF %d\n",
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
HW_VF_ID_TO_OS(vf_id));
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = 0;
nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = 0;
return 0;
}
static int hinic_update_mac_vlan(struct hinic_dev *nic_dev, u16 old_vlan,
u16 new_vlan, int vf_id)
{
struct vf_data_storage *vf_info;
u16 vlan_id;
int err;
if (!nic_dev || old_vlan >= VLAN_N_VID || new_vlan >= VLAN_N_VID)
return -EINVAL;
vf_info = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
if (!vf_info->pf_set_mac)
return 0;
vlan_id = old_vlan;
if (vlan_id)
vlan_id |= HINIC_ADD_VLAN_IN_MAC;
err = hinic_port_del_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
if (err) {
dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to delete VF %d MAC %pM vlan %d\n",
HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, old_vlan);
return err;
}
vlan_id = new_vlan;
if (vlan_id)
vlan_id |= HINIC_ADD_VLAN_IN_MAC;
err = hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
if (err) {
dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to add VF %d MAC %pM vlan %d\n",
HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, new_vlan);
goto out;
}
return 0;
out:
vlan_id = old_vlan;
if (vlan_id)
vlan_id |= HINIC_ADD_VLAN_IN_MAC;
hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
return err;
}
static int set_hw_vf_vlan(struct hinic_dev *nic_dev,
u16 cur_vlanprio, int vf, u16 vlan, u8 qos)
{
u16 old_vlan = cur_vlanprio & VLAN_VID_MASK;
int err = 0;
if (vlan || qos) {
if (cur_vlanprio) {
err = hinic_kill_vf_vlan(nic_dev->hwdev,
OS_VF_ID_TO_HW(vf));
if (err) {
dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d old vlan %d\n",
vf, old_vlan);
goto out;
}
}
err = hinic_add_vf_vlan(nic_dev->hwdev,
OS_VF_ID_TO_HW(vf), vlan, qos);
if (err) {
dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to add vf %d new vlan %d\n",
vf, vlan);
goto out;
}
} else {
err = hinic_kill_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf));
if (err) {
dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d vlan %d\n",
vf, old_vlan);
goto out;
}
}
err = hinic_update_mac_vlan(nic_dev, old_vlan, vlan,
OS_VF_ID_TO_HW(vf));
out:
return err;
}
int hinic_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
__be16 vlan_proto)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_sriov_info *sriov_info;
u16 vlanprio, cur_vlanprio;
sriov_info = &nic_dev->sriov_info;
if (vf >= sriov_info->num_vfs || vlan >= VLAN_N_VID || qos > HINIC_MAX_QOS)
return -EINVAL;
if (vlan_proto != htons(ETH_P_8021Q))
return -EPROTONOSUPPORT;
vlanprio = vlan | qos << HINIC_VLAN_PRIORITY_SHIFT;
cur_vlanprio = hinic_vf_info_vlanprio(nic_dev->hwdev,
OS_VF_ID_TO_HW(vf));
if (vlanprio == cur_vlanprio)
return 0;
return set_hw_vf_vlan(nic_dev, cur_vlanprio, vf, vlan, qos);
}
static int hinic_set_vf_trust(struct hinic_hwdev *hwdev, u16 vf_id,
bool trust)
{
struct vf_data_storage *vf_infos;
struct hinic_func_to_io *nic_io;
if (!hwdev)
return -EINVAL;
nic_io = &hwdev->func_to_io;
vf_infos = nic_io->vf_infos;
vf_infos[vf_id].trust = trust;
return 0;
}
int hinic_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
{
struct hinic_dev *adapter = netdev_priv(netdev);
struct hinic_sriov_info *sriov_info;
struct hinic_func_to_io *nic_io;
bool cur_trust;
int err;
sriov_info = &adapter->sriov_info;
nic_io = &adapter->hwdev->func_to_io;
if (vf >= sriov_info->num_vfs)
return -EINVAL;
cur_trust = nic_io->vf_infos[vf].trust;
if (setting == cur_trust)
return 0;
err = hinic_set_vf_trust(adapter->hwdev, vf, setting);
if (!err)
dev_info(&sriov_info->pdev->dev, "Set VF %d trusted %s succeed\n",
vf, setting ? "on" : "off");
else
dev_err(&sriov_info->pdev->dev, "Failed set VF %d trusted %s\n",
vf, setting ? "on" : "off");
return err;
}
int hinic_ndo_set_vf_bw(struct net_device *netdev,
int vf, int min_tx_rate, int max_tx_rate)
{
static const u32 speeds[] = {
SPEED_10, SPEED_100, SPEED_1000, SPEED_10000,
SPEED_25000, SPEED_40000, SPEED_100000
};
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_port_cap port_cap = { 0 };
enum hinic_port_link_state link_state;
int err;
if (vf >= nic_dev->sriov_info.num_vfs) {
netif_err(nic_dev, drv, netdev, "VF number must be less than %d\n",
nic_dev->sriov_info.num_vfs);
return -EINVAL;
}
err = hinic_port_link_state(nic_dev, &link_state);
if (err) {
netif_err(nic_dev, drv, netdev,
"Get link status failed when setting vf tx rate\n");
return -EIO;
}
if (link_state == HINIC_LINK_STATE_DOWN) {
netif_err(nic_dev, drv, netdev,
"Link status must be up when setting vf tx rate\n");
return -EPERM;
}
err = hinic_port_get_cap(nic_dev, &port_cap);
if (err || port_cap.speed > LINK_SPEED_100GB)
return -EIO;
if (max_tx_rate < 0 || max_tx_rate > speeds[port_cap.speed]) {
netif_err(nic_dev, drv, netdev, "Max tx rate must be in [0 - %d]\n",
speeds[port_cap.speed]);
return -EINVAL;
}
err = hinic_set_vf_tx_rate(nic_dev->hwdev, OS_VF_ID_TO_HW(vf),
max_tx_rate, min_tx_rate);
if (err) {
netif_err(nic_dev, drv, netdev,
"Unable to set VF %d max rate %d min rate %d%s\n",
vf, max_tx_rate, min_tx_rate,
err == HINIC_TX_RATE_TABLE_FULL ?
", tx rate profile is full" : "");
return -EIO;
}
netif_info(nic_dev, drv, netdev,
"Set VF %d max tx rate %d min tx rate %d successfully\n",
vf, max_tx_rate, min_tx_rate);
return 0;
}
static int hinic_set_vf_spoofchk(struct hinic_hwdev *hwdev, u16 vf_id,
bool spoofchk)
{
struct hinic_spoofchk_set spoofchk_cfg = {0};
struct vf_data_storage *vf_infos = NULL;
u16 out_size = sizeof(spoofchk_cfg);
int err;
if (!hwdev)
return -EINVAL;
vf_infos = hwdev->func_to_io.vf_infos;
spoofchk_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
spoofchk_cfg.state = spoofchk ? 1 : 0;
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ENABLE_SPOOFCHK,
&spoofchk_cfg, sizeof(spoofchk_cfg),
&spoofchk_cfg, &out_size);
if (spoofchk_cfg.status == HINIC_MGMT_CMD_UNSUPPORTED) {
err = HINIC_MGMT_CMD_UNSUPPORTED;
} else if (err || !out_size || spoofchk_cfg.status) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) spoofchk, err: %d, status: 0x%x, out size: 0x%x\n",
HW_VF_ID_TO_OS(vf_id), err, spoofchk_cfg.status,
out_size);
err = -EIO;
}
vf_infos[HW_VF_ID_TO_OS(vf_id)].spoofchk = spoofchk;
return err;
}
int hinic_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_sriov_info *sriov_info;
bool cur_spoofchk;
int err;
sriov_info = &nic_dev->sriov_info;
if (vf >= sriov_info->num_vfs)
return -EINVAL;
cur_spoofchk = nic_dev->hwdev->func_to_io.vf_infos[vf].spoofchk;
if (setting == cur_spoofchk)
return 0;
err = hinic_set_vf_spoofchk(sriov_info->hwdev,
OS_VF_ID_TO_HW(vf), setting);
if (!err) {
netif_info(nic_dev, drv, netdev, "Set VF %d spoofchk %s successfully\n",
vf, setting ? "on" : "off");
} else if (err == HINIC_MGMT_CMD_UNSUPPORTED) {
netif_err(nic_dev, drv, netdev,
"Current firmware doesn't support to set vf spoofchk, need to upgrade latest firmware version\n");
err = -EOPNOTSUPP;
}
return err;
}
static int hinic_set_vf_link_state(struct hinic_hwdev *hwdev, u16 vf_id,
int link)
{
struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
struct vf_data_storage *vf_infos = nic_io->vf_infos;
u8 link_status = 0;
switch (link) {
case HINIC_IFLA_VF_LINK_STATE_AUTO:
vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = false;
vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = nic_io->link_status ?
true : false;
link_status = nic_io->link_status;
break;
case HINIC_IFLA_VF_LINK_STATE_ENABLE:
vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = true;
link_status = HINIC_LINK_UP;
break;
case HINIC_IFLA_VF_LINK_STATE_DISABLE:
vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = false;
link_status = HINIC_LINK_DOWN;
break;
default:
return -EINVAL;
}
hinic_notify_vf_link_status(hwdev, vf_id, link_status);
return 0;
}
int hinic_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_sriov_info *sriov_info;
sriov_info = &nic_dev->sriov_info;
if (vf_id >= sriov_info->num_vfs) {
netif_err(nic_dev, drv, netdev,
"Invalid VF Identifier %d\n", vf_id);
return -EINVAL;
}
return hinic_set_vf_link_state(sriov_info->hwdev,
OS_VF_ID_TO_HW(vf_id), link);
}
static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
u16 in_size, void *buf_out, u16 *out_size)
{
u8 size = ARRAY_SIZE(nic_cmd_support_vf);
struct vf_cmd_msg_handle *vf_msg_handle;
struct hinic_hwdev *dev = hwdev;
struct hinic_func_to_io *nic_io;
struct hinic_pfhwdev *pfhwdev;
int err = 0;
u32 i;
if (!hwdev)
return -EINVAL;
if (!hinic_mbox_check_cmd_valid(hwdev, nic_cmd_support_vf, vf_id, cmd,
buf_in, in_size, size)) {
dev_err(&dev->hwif->pdev->dev,
"PF Receive VF nic cmd: 0x%x, mbox len: 0x%x is invalid\n",
cmd, in_size);
return HINIC_MBOX_VF_CMD_ERROR;
}
pfhwdev = container_of(dev, struct hinic_pfhwdev, hwdev);
nic_io = &dev->func_to_io;
for (i = 0; i < ARRAY_SIZE(nic_vf_cmd_msg_handler); i++) {
vf_msg_handle = &nic_vf_cmd_msg_handler[i];
if (cmd == vf_msg_handle->cmd &&
vf_msg_handle->cmd_msg_handler) {
err = vf_msg_handle->cmd_msg_handler(hwdev, vf_id,
buf_in, in_size,
buf_out,
out_size);
break;
}
}
if (i == ARRAY_SIZE(nic_vf_cmd_msg_handler))
err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
cmd, buf_in, in_size, buf_out,
out_size, HINIC_MGMT_MSG_SYNC);
if (err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
dev_err(&nic_io->hwif->pdev->dev, "PF receive VF L2NIC cmd: %d process error, err:%d\n",
cmd, err);
return err;
}
static int cfg_mbx_pf_proc_vf_msg(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
u16 in_size, void *buf_out, u16 *out_size)
{
struct hinic_dev_cap *dev_cap = buf_out;
struct hinic_hwdev *dev = hwdev;
struct hinic_cap *cap;
cap = &dev->nic_cap;
memset(dev_cap, 0, sizeof(*dev_cap));
dev_cap->max_vf = cap->max_vf;
dev_cap->max_sqs = cap->max_vf_qps;
dev_cap->max_rqs = cap->max_vf_qps;
dev_cap->port_id = dev->port_id;
*out_size = sizeof(*dev_cap);
return 0;
}
static int hinic_init_vf_infos(struct hinic_func_to_io *nic_io, u16 vf_id)
{
struct vf_data_storage *vf_infos = nic_io->vf_infos;
if (set_vf_link_state > HINIC_IFLA_VF_LINK_STATE_DISABLE) {
dev_warn(&nic_io->hwif->pdev->dev, "Module Parameter set_vf_link_state value %d is out of range, resetting to %d\n",
set_vf_link_state, HINIC_IFLA_VF_LINK_STATE_AUTO);
set_vf_link_state = HINIC_IFLA_VF_LINK_STATE_AUTO;
}
switch (set_vf_link_state) {
case HINIC_IFLA_VF_LINK_STATE_AUTO:
vf_infos[vf_id].link_forced = false;
break;
case HINIC_IFLA_VF_LINK_STATE_ENABLE:
vf_infos[vf_id].link_forced = true;
vf_infos[vf_id].link_up = true;
break;
case HINIC_IFLA_VF_LINK_STATE_DISABLE:
vf_infos[vf_id].link_forced = true;
vf_infos[vf_id].link_up = false;
break;
default:
dev_err(&nic_io->hwif->pdev->dev, "Invalid input parameter set_vf_link_state: %d\n",
set_vf_link_state);
return -EINVAL;
}
return 0;
}
static void hinic_clear_vf_infos(struct hinic_dev *nic_dev, u16 vf_id)
{
struct vf_data_storage *vf_infos;
vf_infos = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
if (vf_infos->pf_set_mac)
hinic_port_del_mac(nic_dev, vf_infos->vf_mac_addr, 0);
if (hinic_vf_info_vlanprio(nic_dev->hwdev, vf_id))
hinic_kill_vf_vlan(nic_dev->hwdev, vf_id);
if (vf_infos->max_rate)
hinic_set_vf_tx_rate(nic_dev->hwdev, vf_id, 0, 0);
if (vf_infos->spoofchk)
hinic_set_vf_spoofchk(nic_dev->hwdev, vf_id, false);
if (vf_infos->trust)
hinic_set_vf_trust(nic_dev->hwdev, vf_id, false);
memset(vf_infos, 0, sizeof(*vf_infos));
hinic_init_vf_infos(&nic_dev->hwdev->func_to_io, HW_VF_ID_TO_OS(vf_id));
}
static void hinic_deinit_vf_hw(struct hinic_sriov_info *sriov_info,
u16 start_vf_id, u16 end_vf_id)
{
struct hinic_dev *nic_dev;
u16 func_idx, idx;
nic_dev = container_of(sriov_info, struct hinic_dev, sriov_info);
for (idx = start_vf_id; idx <= end_vf_id; idx++) {
func_idx = hinic_glb_pf_vf_offset(nic_dev->hwdev->hwif) + idx;
hinic_set_wq_page_size(nic_dev->hwdev, func_idx,
HINIC_HW_WQ_PAGE_SIZE);
hinic_clear_vf_infos(nic_dev, idx);
}
}
int hinic_vf_func_init(struct hinic_hwdev *hwdev)
{
struct hinic_register_vf register_info = {0};
u16 out_size = sizeof(register_info);
struct hinic_func_to_io *nic_io;
int err = 0;
u32 size, i;
err = hinic_vf_mbox_random_id_init(hwdev);
if (err) {
dev_err(&hwdev->hwif->pdev->dev, "Failed to init vf mbox random id, err: %d\n",
err);
return err;
}
nic_io = &hwdev->func_to_io;
if (HINIC_IS_VF(hwdev->hwif)) {
err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
HINIC_PORT_CMD_VF_REGISTER,
®ister_info, sizeof(register_info),
®ister_info, &out_size, 0);
if (err || register_info.status || !out_size) {
dev_err(&hwdev->hwif->pdev->dev,
"Failed to register VF, err: %d, status: 0x%x, out size: 0x%x\n",
err, register_info.status, out_size);
return -EIO;
}
} else {
err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_CFGM,
cfg_mbx_pf_proc_vf_msg);
if (err) {
dev_err(&hwdev->hwif->pdev->dev,
"Register PF mailbox callback failed\n");
return err;
}
nic_io->max_vfs = hwdev->nic_cap.max_vf;
size = sizeof(*nic_io->vf_infos) * nic_io->max_vfs;
if (size != 0) {
nic_io->vf_infos = kzalloc(size, GFP_KERNEL);
if (!nic_io->vf_infos) {
err = -ENOMEM;
goto out_free_nic_io;
}
for (i = 0; i < nic_io->max_vfs; i++) {
err = hinic_init_vf_infos(nic_io, i);
if (err)
goto err_init_vf_infos;
}
err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC,
nic_pf_mbox_handler);
if (err)
goto err_register_pf_mbox_cb;
}
}
return 0;
err_register_pf_mbox_cb:
err_init_vf_infos:
kfree(nic_io->vf_infos);
out_free_nic_io:
return err;
}
void hinic_vf_func_free(struct hinic_hwdev *hwdev)
{
struct hinic_register_vf unregister = {0};
u16 out_size = sizeof(unregister);
int err;
if (HINIC_IS_VF(hwdev->hwif)) {
err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
HINIC_PORT_CMD_VF_UNREGISTER,
&unregister, sizeof(unregister),
&unregister, &out_size, 0);
if (err || !out_size || unregister.status)
dev_err(&hwdev->hwif->pdev->dev, "Failed to unregister VF, err: %d, status: 0x%x, out_size: 0x%x\n",
err, unregister.status, out_size);
} else {
if (hwdev->func_to_io.vf_infos) {
hinic_unregister_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
kfree(hwdev->func_to_io.vf_infos);
}
}
}
static int hinic_init_vf_hw(struct hinic_hwdev *hwdev, u16 start_vf_id,
u16 end_vf_id)
{
u16 i, func_idx;
int err;
for (i = start_vf_id; i <= end_vf_id; i++) {
func_idx = hinic_glb_pf_vf_offset(hwdev->hwif) + i;
err = hinic_set_wq_page_size(hwdev, func_idx,
HINIC_DEFAULT_WQ_PAGE_SIZE);
if (err)
return err;
}
return 0;
}
int hinic_pci_sriov_disable(struct pci_dev *pdev)
{
struct hinic_sriov_info *sriov_info;
u16 tmp_vfs;
sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
if (!sriov_info->sriov_enabled)
return 0;
set_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
if (pci_vfs_assigned(sriov_info->pdev)) {
clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
dev_warn(&pdev->dev, "Unloading driver while VFs are assigned - VFs will not be deallocated\n");
return -EPERM;
}
sriov_info->sriov_enabled = false;
pci_disable_sriov(sriov_info->pdev);
tmp_vfs = (u16)sriov_info->num_vfs;
sriov_info->num_vfs = 0;
hinic_deinit_vf_hw(sriov_info, OS_VF_ID_TO_HW(0),
OS_VF_ID_TO_HW(tmp_vfs - 1));
clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
return 0;
}
static int hinic_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
{
struct hinic_sriov_info *sriov_info;
int err;
sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
if (test_and_set_bit(HINIC_SRIOV_ENABLE, &sriov_info->state)) {
dev_err(&pdev->dev,
"SR-IOV enable in process, please wait, num_vfs %d\n",
num_vfs);
return -EPERM;
}
err = hinic_init_vf_hw(sriov_info->hwdev, OS_VF_ID_TO_HW(0),
OS_VF_ID_TO_HW((u16)num_vfs - 1));
if (err) {
dev_err(&sriov_info->pdev->dev,
"Failed to init vf in hardware before enable sriov, error %d\n",
err);
clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
return err;
}
err = pci_enable_sriov(sriov_info->pdev, num_vfs);
if (err) {
dev_err(&pdev->dev,
"Failed to enable SR-IOV, error %d\n", err);
clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
return err;
}
sriov_info->sriov_enabled = true;
sriov_info->num_vfs = num_vfs;
clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
return num_vfs;
}
int hinic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
{
struct hinic_sriov_info *sriov_info;
sriov_info = hinic_get_sriov_info_by_pcidev(dev);
if (test_bit(HINIC_FUNC_REMOVE, &sriov_info->state))
return -EBUSY;
if (!num_vfs)
return hinic_pci_sriov_disable(dev);
else
return hinic_pci_sriov_enable(dev, num_vfs);
}
