// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2014-2015 Hisilicon Limited.
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*/
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#include <linux/acpi.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/mfd/syscon.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_mdio.h>
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#include <linux/phy.h>
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#include <linux/platform_device.h>
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#include "hns_dsaf_main.h"
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#include "hns_dsaf_misc.h"
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#include "hns_dsaf_rcb.h"
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#define MAC_EN_FLAG_V 0xada0328
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static const u16 mac_phy_to_speed[] = {
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[PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
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[PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
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[PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
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[PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
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};
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static const enum mac_mode g_mac_mode_100[] = {
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[PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100,
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[PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100
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};
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static const enum mac_mode g_mac_mode_1000[] = {
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[PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000,
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[PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000,
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[PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000,
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[PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000,
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[PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000,
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[PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
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[PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
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[PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000
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};
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static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
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{
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switch (mac_cb->max_speed) {
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case MAC_SPEED_100:
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return g_mac_mode_100[mac_cb->phy_if];
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case MAC_SPEED_1000:
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return g_mac_mode_1000[mac_cb->phy_if];
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case MAC_SPEED_10000:
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return MAC_MODE_XGMII_10000;
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default:
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return MAC_MODE_MII_100;
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}
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}
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void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
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{
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struct mac_driver *mac_ctrl_drv;
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int ret, sfp_prsnt;
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mac_ctrl_drv = hns_mac_get_drv(mac_cb);
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if (mac_ctrl_drv->get_link_status)
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mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
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else
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*link_status = 0;
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if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) {
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ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb,
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&sfp_prsnt);
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if (!ret)
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*link_status = *link_status && sfp_prsnt;
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}
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mac_cb->link = *link_status;
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}
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int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
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u8 *auto_neg, u16 *speed, u8 *duplex)
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{
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struct mac_driver *mac_ctrl_drv;
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struct mac_info info;
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mac_ctrl_drv = hns_mac_get_drv(mac_cb);
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if (!mac_ctrl_drv->get_info)
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return -ENODEV;
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mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
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if (auto_neg)
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*auto_neg = info.auto_neg;
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if (speed)
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*speed = info.speed;
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if (duplex)
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*duplex = info.duplex;
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return 0;
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}
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/**
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*hns_mac_is_adjust_link - check is need change mac speed and duplex register
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*@mac_cb: mac device
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*@speed: phy device speed
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*@duplex:phy device duplex
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*
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*/
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bool hns_mac_need_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
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{
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struct mac_driver *mac_ctrl_drv;
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mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
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if (mac_ctrl_drv->need_adjust_link)
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return mac_ctrl_drv->need_adjust_link(mac_ctrl_drv,
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(enum mac_speed)speed, duplex);
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else
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return true;
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}
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void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
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{
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int ret;
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struct mac_driver *mac_ctrl_drv;
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mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
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mac_cb->speed = speed;
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mac_cb->half_duplex = !duplex;
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if (mac_ctrl_drv->adjust_link) {
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ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
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(enum mac_speed)speed, duplex);
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if (ret) {
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dev_err(mac_cb->dev,
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"adjust_link failed, %s mac%d ret = %#x!\n",
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mac_cb->dsaf_dev->ae_dev.name,
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mac_cb->mac_id, ret);
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return;
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}
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}
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}
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/**
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*hns_mac_get_inner_port_num - get mac table inner port number
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*@mac_cb: mac device
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*@vmid: vm id
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*@port_num:port number
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*
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*/
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int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
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{
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int q_num_per_vf, vf_num_per_port;
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int vm_queue_id;
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u8 tmp_port;
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if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
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if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
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dev_err(mac_cb->dev,
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"input invalid, %s mac%d vmid%d !\n",
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mac_cb->dsaf_dev->ae_dev.name,
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mac_cb->mac_id, vmid);
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return -EINVAL;
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}
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} else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
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if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
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dev_err(mac_cb->dev,
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"input invalid, %s mac%d vmid%d!\n",
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mac_cb->dsaf_dev->ae_dev.name,
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mac_cb->mac_id, vmid);
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return -EINVAL;
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}
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} else {
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dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
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mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
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return -EINVAL;
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}
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if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
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dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
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mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
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return -EINVAL;
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}
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q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
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vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
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vm_queue_id = vmid * q_num_per_vf +
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vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
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switch (mac_cb->dsaf_dev->dsaf_mode) {
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case DSAF_MODE_ENABLE_FIX:
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tmp_port = 0;
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break;
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case DSAF_MODE_DISABLE_FIX:
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tmp_port = 0;
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break;
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case DSAF_MODE_ENABLE_0VM:
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case DSAF_MODE_ENABLE_8VM:
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case DSAF_MODE_ENABLE_16VM:
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case DSAF_MODE_ENABLE_32VM:
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case DSAF_MODE_ENABLE_128VM:
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case DSAF_MODE_DISABLE_2PORT_8VM:
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case DSAF_MODE_DISABLE_2PORT_16VM:
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case DSAF_MODE_DISABLE_2PORT_64VM:
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case DSAF_MODE_DISABLE_6PORT_0VM:
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case DSAF_MODE_DISABLE_6PORT_2VM:
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case DSAF_MODE_DISABLE_6PORT_4VM:
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case DSAF_MODE_DISABLE_6PORT_16VM:
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tmp_port = vm_queue_id;
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break;
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default:
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dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
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mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
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return -EINVAL;
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}
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tmp_port += DSAF_BASE_INNER_PORT_NUM;
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*port_num = tmp_port;
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return 0;
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}
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/**
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*hns_mac_change_vf_addr - change vf mac address
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*@mac_cb: mac device
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*@vmid: vmid
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*@addr:mac address
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*/
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int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
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u32 vmid, char *addr)
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{
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int ret;
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struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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struct dsaf_drv_mac_single_dest_entry mac_entry;
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struct mac_entry_idx *old_entry;
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old_entry = &mac_cb->addr_entry_idx[vmid];
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if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
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memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
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mac_entry.in_vlan_id = old_entry->vlan_id;
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mac_entry.in_port_num = mac_cb->mac_id;
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ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
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&mac_entry.port_num);
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if (ret)
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return ret;
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if ((old_entry->valid != 0) &&
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(memcmp(old_entry->addr,
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addr, sizeof(mac_entry.addr)) != 0)) {
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ret = hns_dsaf_del_mac_entry(dsaf_dev,
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old_entry->vlan_id,
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mac_cb->mac_id,
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old_entry->addr);
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if (ret)
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return ret;
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}
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ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
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if (ret)
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return ret;
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}
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if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
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mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
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memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
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old_entry->valid = 1;
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return 0;
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}
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int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
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const unsigned char *addr)
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{
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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struct dsaf_drv_mac_single_dest_entry mac_entry;
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int ret;
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if (HNS_DSAF_IS_DEBUG(dsaf_dev))
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return -ENOSPC;
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memset(&mac_entry, 0, sizeof(mac_entry));
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memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
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mac_entry.in_port_num = mac_cb->mac_id;
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ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
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if (ret)
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return ret;
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return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
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}
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int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
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const unsigned char *addr)
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{
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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struct dsaf_drv_mac_single_dest_entry mac_entry;
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int ret;
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if (HNS_DSAF_IS_DEBUG(dsaf_dev))
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return -ENOSPC;
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memset(&mac_entry, 0, sizeof(mac_entry));
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memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
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mac_entry.in_port_num = mac_cb->mac_id;
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ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
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if (ret)
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return ret;
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return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
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}
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int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
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u32 port_num, char *addr, bool enable)
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{
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int ret;
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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struct dsaf_drv_mac_single_dest_entry mac_entry;
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if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
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memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
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mac_entry.in_vlan_id = 0;/*vlan_id;*/
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mac_entry.in_port_num = mac_cb->mac_id;
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mac_entry.port_num = port_num;
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if (!enable)
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ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
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else
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ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
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if (ret) {
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dev_err(dsaf_dev->dev,
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"set mac mc port failed, %s mac%d ret = %#x!\n",
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mac_cb->dsaf_dev->ae_dev.name,
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mac_cb->mac_id, ret);
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return ret;
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}
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}
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return 0;
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}
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int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
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{
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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u8 port_num;
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int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
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if (ret)
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return ret;
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return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
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}
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static void hns_mac_param_get(struct mac_params *param,
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struct hns_mac_cb *mac_cb)
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{
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param->vaddr = mac_cb->vaddr;
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param->mac_mode = hns_get_enet_interface(mac_cb);
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ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
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param->mac_id = mac_cb->mac_id;
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param->dev = mac_cb->dev;
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}
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/**
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* hns_mac_queue_config_bc_en - set broadcast rx&tx enable
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* @mac_cb: mac device
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* @port_num: queue number
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* @vlan_id: vlan id`
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* @enable: enable
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* return 0 - success , negative --fail
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*/
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static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
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u32 port_num, u16 vlan_id, bool enable)
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{
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int ret;
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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struct dsaf_drv_mac_single_dest_entry mac_entry;
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/* directy return ok in debug network mode */
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if (mac_cb->mac_type == HNAE_PORT_DEBUG)
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return 0;
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if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
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eth_broadcast_addr(mac_entry.addr);
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mac_entry.in_vlan_id = vlan_id;
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mac_entry.in_port_num = mac_cb->mac_id;
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mac_entry.port_num = port_num;
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if (!enable)
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ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
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else
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ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
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return ret;
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}
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return 0;
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}
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/**
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* hns_mac_vm_config_bc_en - set broadcast rx&tx enable
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* @mac_cb: mac device
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* @vmid: vm id
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* @enable: enable
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* return 0 - success , negative --fail
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*/
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int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
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{
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int ret;
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struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
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u8 port_num;
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struct mac_entry_idx *uc_mac_entry;
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struct dsaf_drv_mac_single_dest_entry mac_entry;
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if (mac_cb->mac_type == HNAE_PORT_DEBUG)
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return 0;
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uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
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if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
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eth_broadcast_addr(mac_entry.addr);
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mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
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mac_entry.in_port_num = mac_cb->mac_id;
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ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
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if (ret)
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return ret;
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mac_entry.port_num = port_num;
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if (!enable)
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ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
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else
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ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
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return ret;
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}
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return 0;
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}
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int hns_mac_wait_fifo_clean(struct hns_mac_cb *mac_cb)
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{
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struct mac_driver *drv = hns_mac_get_drv(mac_cb);
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if (drv->wait_fifo_clean)
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return drv->wait_fifo_clean(drv);
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return 0;
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}
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void hns_mac_reset(struct hns_mac_cb *mac_cb)
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{
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struct mac_driver *drv = hns_mac_get_drv(mac_cb);
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bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
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drv->mac_init(drv);
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if (drv->config_max_frame_length)
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drv->config_max_frame_length(drv, mac_cb->max_frm);
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if (drv->set_tx_auto_pause_frames)
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drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
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if (drv->set_an_mode)
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drv->set_an_mode(drv, 1);
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if (drv->mac_pausefrm_cfg) {
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if (mac_cb->mac_type == HNAE_PORT_DEBUG)
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drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
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else /* mac rx must disable, dsaf pfc close instead of it*/
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drv->mac_pausefrm_cfg(drv, 0, 1);
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}
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}
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int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
|
{
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struct mac_driver *drv = hns_mac_get_drv(mac_cb);
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u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
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if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
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return -EINVAL;
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if (!drv->config_max_frame_length)
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return -ECHILD;
|
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/* adjust max frame to be at least the size of a standard frame */
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if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
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new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
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drv->config_max_frame_length(drv, new_frm);
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mac_cb->max_frm = new_frm;
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return 0;
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}
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void hns_mac_start(struct hns_mac_cb *mac_cb)
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{
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struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
|
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/* for virt */
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if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
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/*plus 1 when the virtual mac has been enabled */
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mac_drv->virt_dev_num += 1;
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return;
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}
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if (mac_drv->mac_enable) {
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mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
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mac_drv->mac_en_flg = MAC_EN_FLAG_V;
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}
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}
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void hns_mac_stop(struct hns_mac_cb *mac_cb)
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{
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struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
/*modified for virtualization */
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if (mac_ctrl_drv->virt_dev_num > 0) {
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mac_ctrl_drv->virt_dev_num -= 1;
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if (mac_ctrl_drv->virt_dev_num > 0)
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return;
|
}
|
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if (mac_ctrl_drv->mac_disable)
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mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
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MAC_COMM_MODE_RX_AND_TX);
|
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mac_ctrl_drv->mac_en_flg = 0;
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mac_cb->link = 0;
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mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
|
}
|
|
/**
|
* hns_mac_get_autoneg - get auto autonegotiation
|
* @mac_cb: mac control block
|
* @auto_neg: output pointer to autoneg result
|
* return 0 - success , negative --fail
|
*/
|
void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
if (mac_ctrl_drv->autoneg_stat)
|
mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
|
else
|
*auto_neg = 0;
|
}
|
|
/**
|
* hns_mac_get_pauseparam - set rx & tx pause parameter
|
* @mac_cb: mac control block
|
* @rx_en: rx enable status
|
* @tx_en: tx enable status
|
* return 0 - success , negative --fail
|
*/
|
void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
if (mac_ctrl_drv->get_pause_enable) {
|
mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
|
} else {
|
*rx_en = 0;
|
*tx_en = 0;
|
}
|
}
|
|
/**
|
* hns_mac_set_autoneg - set auto autonegotiation
|
* @mac_cb: mac control block
|
* @enable: enable or not
|
* return 0 - success , negative --fail
|
*/
|
int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
|
dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
|
return -ENOTSUPP;
|
}
|
|
if (mac_ctrl_drv->set_an_mode)
|
mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
|
|
return 0;
|
}
|
|
/**
|
* hns_mac_set_autoneg - set rx & tx pause parameter
|
* @mac_cb: mac control block
|
* @rx_en: rx enable or not
|
* @tx_en: tx enable or not
|
* return 0 - success , negative --fail
|
*/
|
int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
|
|
if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
|
if (is_ver1 && (tx_en || rx_en)) {
|
dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
|
return -EINVAL;
|
}
|
}
|
|
if (mac_ctrl_drv->mac_pausefrm_cfg)
|
mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
|
|
return 0;
|
}
|
|
/**
|
* hns_mac_init_ex - mac init
|
* @mac_cb: mac control block
|
* return 0 - success , negative --fail
|
*/
|
static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
|
{
|
int ret;
|
struct mac_params param;
|
struct mac_driver *drv;
|
|
hns_dsaf_fix_mac_mode(mac_cb);
|
|
memset(¶m, 0, sizeof(struct mac_params));
|
hns_mac_param_get(¶m, mac_cb);
|
|
if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
|
drv = (struct mac_driver *)hns_gmac_config(mac_cb, ¶m);
|
else
|
drv = (struct mac_driver *)hns_xgmac_config(mac_cb, ¶m);
|
|
if (!drv)
|
return -ENOMEM;
|
|
mac_cb->priv.mac = (void *)drv;
|
hns_mac_reset(mac_cb);
|
|
hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
|
|
ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
|
if (ret)
|
goto free_mac_drv;
|
|
return 0;
|
|
free_mac_drv:
|
drv->mac_free(mac_cb->priv.mac);
|
mac_cb->priv.mac = NULL;
|
|
return ret;
|
}
|
|
static int
|
hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
|
{
|
u32 addr;
|
int ret;
|
|
ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
|
if (ret) {
|
dev_err(dev, "has invalid PHY address ret:%d\n", ret);
|
return ret;
|
}
|
|
if (addr >= PHY_MAX_ADDR) {
|
dev_err(dev, "PHY address %i is too large\n", addr);
|
return -EINVAL;
|
}
|
|
return addr;
|
}
|
|
static int
|
hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
|
u32 addr)
|
{
|
struct phy_device *phy;
|
const char *phy_type;
|
bool is_c45;
|
int rc;
|
|
rc = fwnode_property_read_string(mac_cb->fw_port,
|
"phy-mode", &phy_type);
|
if (rc < 0)
|
return rc;
|
|
if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
|
is_c45 = true;
|
else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
|
is_c45 = false;
|
else
|
return -ENODATA;
|
|
phy = get_phy_device(mdio, addr, is_c45);
|
if (!phy || IS_ERR(phy))
|
return -EIO;
|
|
phy->irq = mdio->irq[addr];
|
|
/* All data is now stored in the phy struct;
|
* register it
|
*/
|
rc = phy_device_register(phy);
|
if (rc) {
|
phy_device_free(phy);
|
dev_err(&mdio->dev, "registered phy fail at address %i\n",
|
addr);
|
return -ENODEV;
|
}
|
|
mac_cb->phy_dev = phy;
|
|
dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
|
|
return 0;
|
}
|
|
static int hns_mac_register_phy(struct hns_mac_cb *mac_cb)
|
{
|
struct fwnode_reference_args args;
|
struct platform_device *pdev;
|
struct mii_bus *mii_bus;
|
int rc;
|
int addr;
|
|
/* Loop over the child nodes and register a phy_device for each one */
|
if (!to_acpi_device_node(mac_cb->fw_port))
|
return -ENODEV;
|
|
rc = acpi_node_get_property_reference(
|
mac_cb->fw_port, "mdio-node", 0, &args);
|
if (rc)
|
return rc;
|
if (!is_acpi_device_node(args.fwnode))
|
return -EINVAL;
|
|
addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
|
if (addr < 0)
|
return addr;
|
|
/* dev address in adev */
|
pdev = hns_dsaf_find_platform_device(args.fwnode);
|
if (!pdev) {
|
dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n",
|
mac_cb->mac_id);
|
return -EINVAL;
|
}
|
|
mii_bus = platform_get_drvdata(pdev);
|
if (!mii_bus) {
|
dev_err(mac_cb->dev,
|
"mac%d mdio is NULL, dsaf will probe again later\n",
|
mac_cb->mac_id);
|
return -EPROBE_DEFER;
|
}
|
|
rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
|
if (!rc)
|
dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
|
mac_cb->mac_id, addr);
|
|
return rc;
|
}
|
|
static void hns_mac_remove_phydev(struct hns_mac_cb *mac_cb)
|
{
|
if (!to_acpi_device_node(mac_cb->fw_port) || !mac_cb->phy_dev)
|
return;
|
|
phy_device_remove(mac_cb->phy_dev);
|
phy_device_free(mac_cb->phy_dev);
|
|
mac_cb->phy_dev = NULL;
|
}
|
|
#define MAC_MEDIA_TYPE_MAX_LEN 16
|
|
static const struct {
|
enum hnae_media_type value;
|
const char *name;
|
} media_type_defs[] = {
|
{HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
|
{HNAE_MEDIA_TYPE_FIBER, "fiber" },
|
{HNAE_MEDIA_TYPE_COPPER, "copper" },
|
{HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
|
};
|
|
/**
|
*hns_mac_get_info - get mac information from device node
|
*@mac_cb: mac device
|
* return: 0 --success, negative --fail
|
*/
|
static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
|
{
|
struct device_node *np;
|
struct regmap *syscon;
|
struct of_phandle_args cpld_args;
|
const char *media_type;
|
u32 i;
|
u32 ret;
|
|
mac_cb->link = false;
|
mac_cb->half_duplex = false;
|
mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
|
mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
|
mac_cb->max_speed = mac_cb->speed;
|
|
if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
|
mac_cb->if_support = MAC_GMAC_SUPPORTED;
|
mac_cb->if_support |= SUPPORTED_1000baseT_Full;
|
} else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
|
mac_cb->if_support = SUPPORTED_10000baseR_FEC;
|
mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
|
}
|
|
mac_cb->max_frm = MAC_DEFAULT_MTU;
|
mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
|
mac_cb->port_rst_off = mac_cb->mac_id;
|
mac_cb->port_mode_off = 0;
|
|
/* if the dsaf node doesn't contain a port subnode, get phy-handle
|
* from dsaf node
|
*/
|
if (!mac_cb->fw_port) {
|
np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
|
mac_cb->mac_id);
|
mac_cb->phy_dev = of_phy_find_device(np);
|
if (mac_cb->phy_dev) {
|
/* refcount is held by of_phy_find_device()
|
* if the phy_dev is found
|
*/
|
put_device(&mac_cb->phy_dev->mdio.dev);
|
|
dev_dbg(mac_cb->dev, "mac%d phy_node: %pOFn\n",
|
mac_cb->mac_id, np);
|
}
|
of_node_put(np);
|
|
return 0;
|
}
|
|
if (is_of_node(mac_cb->fw_port)) {
|
/* parse property from port subnode in dsaf */
|
np = of_parse_phandle(to_of_node(mac_cb->fw_port),
|
"phy-handle", 0);
|
mac_cb->phy_dev = of_phy_find_device(np);
|
if (mac_cb->phy_dev) {
|
/* refcount is held by of_phy_find_device()
|
* if the phy_dev is found
|
*/
|
put_device(&mac_cb->phy_dev->mdio.dev);
|
dev_dbg(mac_cb->dev, "mac%d phy_node: %pOFn\n",
|
mac_cb->mac_id, np);
|
}
|
of_node_put(np);
|
|
np = of_parse_phandle(to_of_node(mac_cb->fw_port),
|
"serdes-syscon", 0);
|
syscon = syscon_node_to_regmap(np);
|
of_node_put(np);
|
if (IS_ERR_OR_NULL(syscon)) {
|
dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
|
return -EINVAL;
|
}
|
mac_cb->serdes_ctrl = syscon;
|
|
ret = fwnode_property_read_u32(mac_cb->fw_port,
|
"port-rst-offset",
|
&mac_cb->port_rst_off);
|
if (ret) {
|
dev_dbg(mac_cb->dev,
|
"mac%d port-rst-offset not found, use default value.\n",
|
mac_cb->mac_id);
|
}
|
|
ret = fwnode_property_read_u32(mac_cb->fw_port,
|
"port-mode-offset",
|
&mac_cb->port_mode_off);
|
if (ret) {
|
dev_dbg(mac_cb->dev,
|
"mac%d port-mode-offset not found, use default value.\n",
|
mac_cb->mac_id);
|
}
|
|
ret = of_parse_phandle_with_fixed_args(
|
to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
|
&cpld_args);
|
if (ret) {
|
dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
|
mac_cb->mac_id);
|
mac_cb->cpld_ctrl = NULL;
|
} else {
|
syscon = syscon_node_to_regmap(cpld_args.np);
|
if (IS_ERR_OR_NULL(syscon)) {
|
dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
|
mac_cb->cpld_ctrl = NULL;
|
} else {
|
mac_cb->cpld_ctrl = syscon;
|
mac_cb->cpld_ctrl_reg = cpld_args.args[0];
|
}
|
}
|
} else if (is_acpi_node(mac_cb->fw_port)) {
|
ret = hns_mac_register_phy(mac_cb);
|
/*
|
* Mac can work well if there is phy or not.If the port don't
|
* connect with phy, the return value will be ignored. Only
|
* when there is phy but can't find mdio bus, the return value
|
* will be handled.
|
*/
|
if (ret == -EPROBE_DEFER)
|
return ret;
|
} else {
|
dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
|
mac_cb->mac_id);
|
}
|
|
if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
|
&media_type)) {
|
for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
|
if (!strncmp(media_type_defs[i].name, media_type,
|
MAC_MEDIA_TYPE_MAX_LEN)) {
|
mac_cb->media_type = media_type_defs[i].value;
|
break;
|
}
|
}
|
}
|
|
if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
|
mac_cb->mc_mask, ETH_ALEN)) {
|
dev_warn(mac_cb->dev,
|
"no mc-mac-mask property, set to default value.\n");
|
eth_broadcast_addr(mac_cb->mc_mask);
|
}
|
|
return 0;
|
}
|
|
/**
|
* hns_mac_get_mode - get mac mode
|
* @phy_if: phy interface
|
* return 0 - gmac, 1 - xgmac , negative --fail
|
*/
|
static int hns_mac_get_mode(phy_interface_t phy_if)
|
{
|
switch (phy_if) {
|
case PHY_INTERFACE_MODE_SGMII:
|
return MAC_GMAC_IDX;
|
case PHY_INTERFACE_MODE_XGMII:
|
return MAC_XGMAC_IDX;
|
default:
|
return -EINVAL;
|
}
|
}
|
|
static u8 __iomem *
|
hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
|
struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
|
{
|
u8 __iomem *base = dsaf_dev->io_base;
|
int mac_id = mac_cb->mac_id;
|
|
if (mac_cb->mac_type == HNAE_PORT_SERVICE)
|
return base + 0x40000 + mac_id * 0x4000 -
|
mac_mode_idx * 0x20000;
|
else
|
return dsaf_dev->ppe_base + 0x1000;
|
}
|
|
/**
|
* hns_mac_get_cfg - get mac cfg from dtb or acpi table
|
* @dsaf_dev: dsa fabric device struct pointer
|
* @mac_cb: mac control block
|
* return 0 - success , negative --fail
|
*/
|
static int
|
hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
|
{
|
int ret;
|
u32 mac_mode_idx;
|
|
mac_cb->dsaf_dev = dsaf_dev;
|
mac_cb->dev = dsaf_dev->dev;
|
|
mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
|
mac_cb->serdes_vaddr = dsaf_dev->sds_base;
|
|
mac_cb->sfp_prsnt = 0;
|
mac_cb->txpkt_for_led = 0;
|
mac_cb->rxpkt_for_led = 0;
|
|
if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
|
mac_cb->mac_type = HNAE_PORT_SERVICE;
|
else
|
mac_cb->mac_type = HNAE_PORT_DEBUG;
|
|
mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
|
|
ret = hns_mac_get_mode(mac_cb->phy_if);
|
if (ret < 0) {
|
dev_err(dsaf_dev->dev,
|
"hns_mac_get_mode failed, mac%d ret = %#x!\n",
|
mac_cb->mac_id, ret);
|
return ret;
|
}
|
mac_mode_idx = (u32)ret;
|
|
ret = hns_mac_get_info(mac_cb);
|
if (ret)
|
return ret;
|
|
mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
|
mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
|
|
return 0;
|
}
|
|
static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
|
{
|
if (HNS_DSAF_IS_DEBUG(dsaf_dev))
|
return 1;
|
else
|
return DSAF_MAX_PORT_NUM;
|
}
|
|
void hns_mac_enable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
mac_ctrl_drv->mac_enable(mac_cb->priv.mac, mode);
|
}
|
|
void hns_mac_disable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
mac_ctrl_drv->mac_disable(mac_cb->priv.mac, mode);
|
}
|
|
/**
|
* hns_mac_init - init mac
|
* @dsaf_dev: dsa fabric device struct pointer
|
* return 0 - success , negative --fail
|
*/
|
int hns_mac_init(struct dsaf_device *dsaf_dev)
|
{
|
bool found = false;
|
int ret;
|
u32 port_id;
|
int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
|
struct hns_mac_cb *mac_cb;
|
struct fwnode_handle *child;
|
|
device_for_each_child_node(dsaf_dev->dev, child) {
|
ret = fwnode_property_read_u32(child, "reg", &port_id);
|
if (ret) {
|
dev_err(dsaf_dev->dev,
|
"get reg fail, ret=%d!\n", ret);
|
return ret;
|
}
|
if (port_id >= max_port_num) {
|
dev_err(dsaf_dev->dev,
|
"reg(%u) out of range!\n", port_id);
|
return -EINVAL;
|
}
|
mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
|
GFP_KERNEL);
|
if (!mac_cb)
|
return -ENOMEM;
|
mac_cb->fw_port = child;
|
mac_cb->mac_id = (u8)port_id;
|
dsaf_dev->mac_cb[port_id] = mac_cb;
|
found = true;
|
}
|
|
/* if don't get any port subnode from dsaf node
|
* will init all port then, this is compatible with the old dts
|
*/
|
if (!found) {
|
for (port_id = 0; port_id < max_port_num; port_id++) {
|
mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
|
GFP_KERNEL);
|
if (!mac_cb)
|
return -ENOMEM;
|
|
mac_cb->mac_id = port_id;
|
dsaf_dev->mac_cb[port_id] = mac_cb;
|
}
|
}
|
|
/* init mac_cb for all port */
|
for (port_id = 0; port_id < max_port_num; port_id++) {
|
mac_cb = dsaf_dev->mac_cb[port_id];
|
if (!mac_cb)
|
continue;
|
|
ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
|
if (ret)
|
return ret;
|
|
ret = hns_mac_init_ex(mac_cb);
|
if (ret)
|
return ret;
|
}
|
|
return 0;
|
}
|
|
void hns_mac_uninit(struct dsaf_device *dsaf_dev)
|
{
|
int i;
|
int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
|
|
for (i = 0; i < max_port_num; i++) {
|
if (!dsaf_dev->mac_cb[i])
|
continue;
|
|
dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
|
hns_mac_remove_phydev(dsaf_dev->mac_cb[i]);
|
dsaf_dev->mac_cb[i] = NULL;
|
}
|
}
|
|
int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
|
enum hnae_loop loop, int en)
|
{
|
int ret;
|
struct mac_driver *drv = hns_mac_get_drv(mac_cb);
|
|
if (drv->config_loopback)
|
ret = drv->config_loopback(drv, loop, en);
|
else
|
ret = -ENOTSUPP;
|
|
return ret;
|
}
|
|
void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
mac_ctrl_drv->update_stats(mac_ctrl_drv);
|
}
|
|
void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
|
}
|
|
void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
|
int stringset, u8 *data)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
mac_ctrl_drv->get_strings(stringset, data);
|
}
|
|
int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
return mac_ctrl_drv->get_sset_count(stringset);
|
}
|
|
void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
|
|
if (mac_ctrl_drv->set_promiscuous)
|
mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
|
}
|
|
int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
return mac_ctrl_drv->get_regs_count();
|
}
|
|
void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
|
{
|
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
|
|
mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
|
}
|
|
void hns_set_led_opt(struct hns_mac_cb *mac_cb)
|
{
|
int nic_data = 0;
|
int txpkts, rxpkts;
|
|
txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
|
rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
|
if (txpkts || rxpkts)
|
nic_data = 1;
|
else
|
nic_data = 0;
|
mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
|
mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
|
mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
|
mac_cb->speed, nic_data);
|
}
|
|
int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
|
enum hnae_led_state status)
|
{
|
if (!mac_cb)
|
return 0;
|
|
return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
|
}
|
