Linux-6.18.2/drivers/net/ethernet/huawei/hinic3/hinic3_nic_cfg.c
2025-12-23 20:06:59 +08:00

386 lines
10 KiB
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
#include <linux/if_vlan.h>
#include "hinic3_hwdev.h"
#include "hinic3_hwif.h"
#include "hinic3_mbox.h"
#include "hinic3_nic_cfg.h"
#include "hinic3_nic_dev.h"
#include "hinic3_nic_io.h"
static int hinic3_feature_nego(struct hinic3_hwdev *hwdev, u8 opcode,
u64 *s_feature, u16 size)
{
struct l2nic_cmd_feature_nego feature_nego = {};
struct mgmt_msg_params msg_params = {};
int err;
feature_nego.func_id = hinic3_global_func_id(hwdev);
feature_nego.opcode = opcode;
if (opcode == MGMT_MSG_CMD_OP_SET)
memcpy(feature_nego.s_feature, s_feature, size * sizeof(u64));
mgmt_msg_params_init_default(&msg_params, &feature_nego,
sizeof(feature_nego));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_FEATURE_NEGO, &msg_params);
if (err || feature_nego.msg_head.status) {
dev_err(hwdev->dev, "Failed to negotiate nic feature, err:%d, status: 0x%x\n",
err, feature_nego.msg_head.status);
return -EIO;
}
if (opcode == MGMT_MSG_CMD_OP_GET)
memcpy(s_feature, feature_nego.s_feature, size * sizeof(u64));
return 0;
}
int hinic3_get_nic_feature_from_hw(struct hinic3_nic_dev *nic_dev)
{
return hinic3_feature_nego(nic_dev->hwdev, MGMT_MSG_CMD_OP_GET,
&nic_dev->nic_io->feature_cap, 1);
}
int hinic3_set_nic_feature_to_hw(struct hinic3_nic_dev *nic_dev)
{
return hinic3_feature_nego(nic_dev->hwdev, MGMT_MSG_CMD_OP_SET,
&nic_dev->nic_io->feature_cap, 1);
}
bool hinic3_test_support(struct hinic3_nic_dev *nic_dev,
enum hinic3_nic_feature_cap feature_bits)
{
return (nic_dev->nic_io->feature_cap & feature_bits) == feature_bits;
}
void hinic3_update_nic_feature(struct hinic3_nic_dev *nic_dev, u64 feature_cap)
{
nic_dev->nic_io->feature_cap = feature_cap;
}
static int hinic3_set_function_table(struct hinic3_hwdev *hwdev, u32 cfg_bitmap,
const struct l2nic_func_tbl_cfg *cfg)
{
struct l2nic_cmd_set_func_tbl cmd_func_tbl = {};
struct mgmt_msg_params msg_params = {};
int err;
cmd_func_tbl.func_id = hinic3_global_func_id(hwdev);
cmd_func_tbl.cfg_bitmap = cfg_bitmap;
cmd_func_tbl.tbl_cfg = *cfg;
mgmt_msg_params_init_default(&msg_params, &cmd_func_tbl,
sizeof(cmd_func_tbl));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_SET_FUNC_TBL, &msg_params);
if (err || cmd_func_tbl.msg_head.status) {
dev_err(hwdev->dev,
"Failed to set func table, bitmap: 0x%x, err: %d, status: 0x%x\n",
cfg_bitmap, err, cmd_func_tbl.msg_head.status);
return -EFAULT;
}
return 0;
}
int hinic3_init_function_table(struct hinic3_nic_dev *nic_dev)
{
struct hinic3_nic_io *nic_io = nic_dev->nic_io;
struct l2nic_func_tbl_cfg func_tbl_cfg = {};
u32 cfg_bitmap;
func_tbl_cfg.mtu = 0x3FFF; /* default, max mtu */
func_tbl_cfg.rx_wqe_buf_size = nic_io->rx_buf_len;
cfg_bitmap = BIT(L2NIC_FUNC_TBL_CFG_INIT) |
BIT(L2NIC_FUNC_TBL_CFG_MTU) |
BIT(L2NIC_FUNC_TBL_CFG_RX_BUF_SIZE);
return hinic3_set_function_table(nic_dev->hwdev, cfg_bitmap,
&func_tbl_cfg);
}
int hinic3_set_port_mtu(struct net_device *netdev, u16 new_mtu)
{
struct hinic3_nic_dev *nic_dev = netdev_priv(netdev);
struct l2nic_func_tbl_cfg func_tbl_cfg = {};
struct hinic3_hwdev *hwdev = nic_dev->hwdev;
func_tbl_cfg.mtu = new_mtu;
return hinic3_set_function_table(hwdev, BIT(L2NIC_FUNC_TBL_CFG_MTU),
&func_tbl_cfg);
}
static int hinic3_check_mac_info(struct hinic3_hwdev *hwdev, u8 status,
u16 vlan_id)
{
if ((status && status != MGMT_STATUS_EXIST) ||
((vlan_id & BIT(15)) && status == MGMT_STATUS_EXIST)) {
return -EINVAL;
}
return 0;
}
int hinic3_set_mac(struct hinic3_hwdev *hwdev, const u8 *mac_addr, u16 vlan_id,
u16 func_id)
{
struct l2nic_cmd_set_mac mac_info = {};
struct mgmt_msg_params msg_params = {};
int err;
if ((vlan_id & HINIC3_VLAN_ID_MASK) >= VLAN_N_VID) {
dev_err(hwdev->dev, "Invalid VLAN number: %d\n",
(vlan_id & HINIC3_VLAN_ID_MASK));
return -EINVAL;
}
mac_info.func_id = func_id;
mac_info.vlan_id = vlan_id;
ether_addr_copy(mac_info.mac, mac_addr);
mgmt_msg_params_init_default(&msg_params, &mac_info, sizeof(mac_info));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_SET_MAC, &msg_params);
if (err || hinic3_check_mac_info(hwdev, mac_info.msg_head.status,
mac_info.vlan_id)) {
dev_err(hwdev->dev,
"Failed to update MAC, err: %d, status: 0x%x\n",
err, mac_info.msg_head.status);
return -EIO;
}
if (mac_info.msg_head.status == MGMT_STATUS_PF_SET_VF_ALREADY) {
dev_warn(hwdev->dev, "PF has already set VF mac, Ignore set operation\n");
return 0;
}
if (mac_info.msg_head.status == MGMT_STATUS_EXIST) {
dev_warn(hwdev->dev, "MAC is repeated. Ignore update operation\n");
return 0;
}
return 0;
}
int hinic3_del_mac(struct hinic3_hwdev *hwdev, const u8 *mac_addr, u16 vlan_id,
u16 func_id)
{
struct l2nic_cmd_set_mac mac_info = {};
struct mgmt_msg_params msg_params = {};
int err;
if ((vlan_id & HINIC3_VLAN_ID_MASK) >= VLAN_N_VID) {
dev_err(hwdev->dev, "Invalid VLAN number: %d\n",
(vlan_id & HINIC3_VLAN_ID_MASK));
return -EINVAL;
}
mac_info.func_id = func_id;
mac_info.vlan_id = vlan_id;
ether_addr_copy(mac_info.mac, mac_addr);
mgmt_msg_params_init_default(&msg_params, &mac_info, sizeof(mac_info));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_DEL_MAC, &msg_params);
if (err) {
dev_err(hwdev->dev,
"Failed to delete MAC, err: %d, status: 0x%x\n",
err, mac_info.msg_head.status);
return err;
}
return 0;
}
int hinic3_update_mac(struct hinic3_hwdev *hwdev, const u8 *old_mac,
u8 *new_mac, u16 vlan_id, u16 func_id)
{
struct l2nic_cmd_update_mac mac_info = {};
struct mgmt_msg_params msg_params = {};
int err;
if ((vlan_id & HINIC3_VLAN_ID_MASK) >= VLAN_N_VID) {
dev_err(hwdev->dev, "Invalid VLAN number: %d\n",
(vlan_id & HINIC3_VLAN_ID_MASK));
return -EINVAL;
}
mac_info.func_id = func_id;
mac_info.vlan_id = vlan_id;
ether_addr_copy(mac_info.old_mac, old_mac);
ether_addr_copy(mac_info.new_mac, new_mac);
mgmt_msg_params_init_default(&msg_params, &mac_info, sizeof(mac_info));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_UPDATE_MAC, &msg_params);
if (err || hinic3_check_mac_info(hwdev, mac_info.msg_head.status,
mac_info.vlan_id)) {
dev_err(hwdev->dev,
"Failed to update MAC, err: %d, status: 0x%x\n",
err, mac_info.msg_head.status);
return -EIO;
}
return 0;
}
int hinic3_set_ci_table(struct hinic3_hwdev *hwdev, struct hinic3_sq_attr *attr)
{
struct l2nic_cmd_set_ci_attr cons_idx_attr = {};
struct mgmt_msg_params msg_params = {};
int err;
cons_idx_attr.func_idx = hinic3_global_func_id(hwdev);
cons_idx_attr.dma_attr_off = attr->dma_attr_off;
cons_idx_attr.pending_limit = attr->pending_limit;
cons_idx_attr.coalescing_time = attr->coalescing_time;
if (attr->intr_en) {
cons_idx_attr.intr_en = attr->intr_en;
cons_idx_attr.intr_idx = attr->intr_idx;
}
cons_idx_attr.l2nic_sqn = attr->l2nic_sqn;
cons_idx_attr.ci_addr = attr->ci_dma_base;
mgmt_msg_params_init_default(&msg_params, &cons_idx_attr,
sizeof(cons_idx_attr));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_SET_SQ_CI_ATTR, &msg_params);
if (err || cons_idx_attr.msg_head.status) {
dev_err(hwdev->dev,
"Failed to set ci attribute table, err: %d, status: 0x%x\n",
err, cons_idx_attr.msg_head.status);
return -EFAULT;
}
return 0;
}
int hinic3_flush_qps_res(struct hinic3_hwdev *hwdev)
{
struct l2nic_cmd_clear_qp_resource sq_res = {};
struct mgmt_msg_params msg_params = {};
int err;
sq_res.func_id = hinic3_global_func_id(hwdev);
mgmt_msg_params_init_default(&msg_params, &sq_res, sizeof(sq_res));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_CLEAR_QP_RESOURCE,
&msg_params);
if (err || sq_res.msg_head.status) {
dev_err(hwdev->dev, "Failed to clear sq resources, err: %d, status: 0x%x\n",
err, sq_res.msg_head.status);
return -EINVAL;
}
return 0;
}
int hinic3_force_drop_tx_pkt(struct hinic3_hwdev *hwdev)
{
struct l2nic_cmd_force_pkt_drop pkt_drop = {};
struct mgmt_msg_params msg_params = {};
int err;
pkt_drop.port = hinic3_physical_port_id(hwdev);
mgmt_msg_params_init_default(&msg_params, &pkt_drop, sizeof(pkt_drop));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_FORCE_PKT_DROP, &msg_params);
if ((pkt_drop.msg_head.status != MGMT_STATUS_CMD_UNSUPPORTED &&
pkt_drop.msg_head.status) || err) {
dev_err(hwdev->dev,
"Failed to set force tx packets drop, err: %d, status: 0x%x\n",
err, pkt_drop.msg_head.status);
return -EFAULT;
}
return pkt_drop.msg_head.status;
}
int hinic3_sync_dcb_state(struct hinic3_hwdev *hwdev, u8 op_code, u8 state)
{
struct l2nic_cmd_set_dcb_state dcb_state = {};
struct mgmt_msg_params msg_params = {};
int err;
dcb_state.op_code = op_code;
dcb_state.state = state;
dcb_state.func_id = hinic3_global_func_id(hwdev);
mgmt_msg_params_init_default(&msg_params, &dcb_state,
sizeof(dcb_state));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_QOS_DCB_STATE, &msg_params);
if (err || dcb_state.head.status) {
dev_err(hwdev->dev,
"Failed to set dcb state, err: %d, status: 0x%x\n",
err, dcb_state.head.status);
return -EFAULT;
}
return 0;
}
int hinic3_get_link_status(struct hinic3_hwdev *hwdev, bool *link_status_up)
{
struct mag_cmd_get_link_status get_link = {};
struct mgmt_msg_params msg_params = {};
int err;
get_link.port_id = hinic3_physical_port_id(hwdev);
mgmt_msg_params_init_default(&msg_params, &get_link, sizeof(get_link));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_HILINK,
MAG_CMD_GET_LINK_STATUS, &msg_params);
if (err || get_link.head.status) {
dev_err(hwdev->dev, "Failed to get link state, err: %d, status: 0x%x\n",
err, get_link.head.status);
return -EIO;
}
*link_status_up = !!get_link.status;
return 0;
}
int hinic3_set_vport_enable(struct hinic3_hwdev *hwdev, u16 func_id,
bool enable)
{
struct l2nic_cmd_set_vport_state en_state = {};
struct mgmt_msg_params msg_params = {};
int err;
en_state.func_id = func_id;
en_state.state = enable ? 1 : 0;
mgmt_msg_params_init_default(&msg_params, &en_state, sizeof(en_state));
err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_L2NIC,
L2NIC_CMD_SET_VPORT_ENABLE, &msg_params);
if (err || en_state.msg_head.status) {
dev_err(hwdev->dev, "Failed to set vport state, err: %d, status: 0x%x\n",
err, en_state.msg_head.status);
return -EINVAL;
}
return 0;
}