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hns_dsaf_mac.c
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hns_dsaf_mac.c
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/*
* Copyright (c) 2014-2015 Hisilicon Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/acpi.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_mdio.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include "hns_dsaf_main.h"
#include "hns_dsaf_misc.h"
#include "hns_dsaf_rcb.h"
#define MAC_EN_FLAG_V 0xada0328
static const u16 mac_phy_to_speed[] = {
[PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
[PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
[PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
[PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
};
static const enum mac_mode g_mac_mode_100[] = {
[PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100,
[PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100
};
static const enum mac_mode g_mac_mode_1000[] = {
[PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000,
[PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000,
[PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000,
[PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000,
[PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000,
[PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
[PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
[PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000
};
static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
{
switch (mac_cb->max_speed) {
case MAC_SPEED_100:
return g_mac_mode_100[mac_cb->phy_if];
case MAC_SPEED_1000:
return g_mac_mode_1000[mac_cb->phy_if];
case MAC_SPEED_10000:
return MAC_MODE_XGMII_10000;
default:
return MAC_MODE_MII_100;
}
}
static u32 hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv)
{
#define HNS_MAC_LINK_WAIT_TIME 5
#define HNS_MAC_LINK_WAIT_CNT 40
u32 link_status = 0;
int i;
if (!mac_ctrl_drv->get_link_status)
return link_status;
for (i = 0; i < HNS_MAC_LINK_WAIT_CNT; i++) {
msleep(HNS_MAC_LINK_WAIT_TIME);
mac_ctrl_drv->get_link_status(mac_ctrl_drv, &link_status);
if (!link_status)
break;
}
return link_status;
}
void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
{
struct mac_driver *mac_ctrl_drv;
int ret, sfp_prsnt;
mac_ctrl_drv = hns_mac_get_drv(mac_cb);
if (mac_ctrl_drv->get_link_status)
mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
else
*link_status = 0;
if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) {
ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb,
&sfp_prsnt);
if (!ret)
*link_status = *link_status && sfp_prsnt;
/* for FIBER port, it may have a fake link up.
* when the link status changes from down to up, we need to do
* anti-shake. the anti-shake time is base on tests.
* only FIBER port need to do this.
*/
if (*link_status && !mac_cb->link)
*link_status = hns_mac_link_anti_shake(mac_ctrl_drv);
}
mac_cb->link = *link_status;
}
int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
u8 *auto_neg, u16 *speed, u8 *duplex)
{
struct mac_driver *mac_ctrl_drv;
struct mac_info info;
mac_ctrl_drv = hns_mac_get_drv(mac_cb);
if (!mac_ctrl_drv->get_info)
return -ENODEV;
mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
if (auto_neg)
*auto_neg = info.auto_neg;
if (speed)
*speed = info.speed;
if (duplex)
*duplex = info.duplex;
return 0;
}
/**
*hns_mac_is_adjust_link - check is need change mac speed and duplex register
*@mac_cb: mac device
*@speed: phy device speed
*@duplex:phy device duplex
*
*/
bool hns_mac_need_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
{
struct mac_driver *mac_ctrl_drv;
mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
if (mac_ctrl_drv->need_adjust_link)
return mac_ctrl_drv->need_adjust_link(mac_ctrl_drv,
(enum mac_speed)speed, duplex);
else
return true;
}
void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
{
int ret;
struct mac_driver *mac_ctrl_drv;
mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
mac_cb->speed = speed;
mac_cb->half_duplex = !duplex;
if (mac_ctrl_drv->adjust_link) {
ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
(enum mac_speed)speed, duplex);
if (ret) {
dev_err(mac_cb->dev,
"adjust_link failed, %s mac%d ret = %#x!\n",
mac_cb->dsaf_dev->ae_dev.name,
mac_cb->mac_id, ret);
return;
}
}
}
/**
*hns_mac_get_inner_port_num - get mac table inner port number
*@mac_cb: mac device
*@vmid: vm id
*@port_num:port number
*
*/
int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
{
int q_num_per_vf, vf_num_per_port;
int vm_queue_id;
u8 tmp_port;
if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
dev_err(mac_cb->dev,
"input invalid, %s mac%d vmid%d !\n",
mac_cb->dsaf_dev->ae_dev.name,
mac_cb->mac_id, vmid);
return -EINVAL;
}
} else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
dev_err(mac_cb->dev,
"input invalid, %s mac%d vmid%d!\n",
mac_cb->dsaf_dev->ae_dev.name,
mac_cb->mac_id, vmid);
return -EINVAL;
}
} else {
dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
return -EINVAL;
}
if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
return -EINVAL;
}
q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
vm_queue_id = vmid * q_num_per_vf +
vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
switch (mac_cb->dsaf_dev->dsaf_mode) {
case DSAF_MODE_ENABLE_FIX:
tmp_port = 0;
break;
case DSAF_MODE_DISABLE_FIX:
tmp_port = 0;
break;
case DSAF_MODE_ENABLE_0VM:
case DSAF_MODE_ENABLE_8VM:
case DSAF_MODE_ENABLE_16VM:
case DSAF_MODE_ENABLE_32VM:
case DSAF_MODE_ENABLE_128VM:
case DSAF_MODE_DISABLE_2PORT_8VM:
case DSAF_MODE_DISABLE_2PORT_16VM:
case DSAF_MODE_DISABLE_2PORT_64VM:
case DSAF_MODE_DISABLE_6PORT_0VM:
case DSAF_MODE_DISABLE_6PORT_2VM:
case DSAF_MODE_DISABLE_6PORT_4VM:
case DSAF_MODE_DISABLE_6PORT_16VM:
tmp_port = vm_queue_id;
break;
default:
dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
return -EINVAL;
}
tmp_port += DSAF_BASE_INNER_PORT_NUM;
*port_num = tmp_port;
return 0;
}
/**
*hns_mac_change_vf_addr - change vf mac address
*@mac_cb: mac device
*@vmid: vmid
*@addr:mac address
*/
int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
u32 vmid, char *addr)
{
int ret;
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
struct dsaf_drv_mac_single_dest_entry mac_entry;
struct mac_entry_idx *old_entry;
old_entry = &mac_cb->addr_entry_idx[vmid];
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
mac_entry.in_vlan_id = old_entry->vlan_id;
mac_entry.in_port_num = mac_cb->mac_id;
ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
&mac_entry.port_num);
if (ret)
return ret;
if ((old_entry->valid != 0) &&
(memcmp(old_entry->addr,
addr, sizeof(mac_entry.addr)) != 0)) {
ret = hns_dsaf_del_mac_entry(dsaf_dev,
old_entry->vlan_id,
mac_cb->mac_id,
old_entry->addr);
if (ret)
return ret;
}
ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
if (ret)
return ret;
}
if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
old_entry->valid = 1;
return 0;
}
int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
const unsigned char *addr)
{
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
struct dsaf_drv_mac_single_dest_entry mac_entry;
int ret;
if (HNS_DSAF_IS_DEBUG(dsaf_dev))
return -ENOSPC;
memset(&mac_entry, 0, sizeof(mac_entry));
memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
mac_entry.in_port_num = mac_cb->mac_id;
ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
if (ret)
return ret;
return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
}
int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
const unsigned char *addr)
{
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
struct dsaf_drv_mac_single_dest_entry mac_entry;
int ret;
if (HNS_DSAF_IS_DEBUG(dsaf_dev))
return -ENOSPC;
memset(&mac_entry, 0, sizeof(mac_entry));
memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
mac_entry.in_port_num = mac_cb->mac_id;
ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
if (ret)
return ret;
return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
}
int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
u32 port_num, char *addr, bool enable)
{
int ret;
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
struct dsaf_drv_mac_single_dest_entry mac_entry;
if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
mac_entry.in_vlan_id = 0;/*vlan_id;*/
mac_entry.in_port_num = mac_cb->mac_id;
mac_entry.port_num = port_num;
if (!enable)
ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
else
ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
if (ret) {
dev_err(dsaf_dev->dev,
"set mac mc port failed, %s mac%d ret = %#x!\n",
mac_cb->dsaf_dev->ae_dev.name,
mac_cb->mac_id, ret);
return ret;
}
}
return 0;
}
int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
{
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
u8 port_num;
int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
if (ret)
return ret;
return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
}
static void hns_mac_param_get(struct mac_params *param,
struct hns_mac_cb *mac_cb)
{
param->vaddr = (void *)mac_cb->vaddr;
param->mac_mode = hns_get_enet_interface(mac_cb);
ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
param->mac_id = mac_cb->mac_id;
param->dev = mac_cb->dev;
}
/**
*hns_mac_queue_config_bc_en - set broadcast rx&tx enable
*@mac_cb: mac device
*@queue: queue number
*@en:enable
*retuen 0 - success , negative --fail
*/
static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
u32 port_num, u16 vlan_id, bool enable)
{
int ret;
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct dsaf_drv_mac_single_dest_entry mac_entry;
/* directy return ok in debug network mode */
if (mac_cb->mac_type == HNAE_PORT_DEBUG)
return 0;
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
mac_entry.in_vlan_id = vlan_id;
mac_entry.in_port_num = mac_cb->mac_id;
mac_entry.port_num = port_num;
if (!enable)
ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
else
ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
return ret;
}
return 0;
}
/**
*hns_mac_vm_config_bc_en - set broadcast rx&tx enable
*@mac_cb: mac device
*@vmid: vm id
*@en:enable
*retuen 0 - success , negative --fail
*/
int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
{
int ret;
struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
u8 port_num;
u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct mac_entry_idx *uc_mac_entry;
struct dsaf_drv_mac_single_dest_entry mac_entry;
if (mac_cb->mac_type == HNAE_PORT_DEBUG)
return 0;
uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
mac_entry.in_port_num = mac_cb->mac_id;
ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
if (ret)
return ret;
mac_entry.port_num = port_num;
if (!enable)
ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
else
ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
return ret;
}
return 0;
}
int hns_mac_wait_fifo_clean(struct hns_mac_cb *mac_cb)
{
struct mac_driver *drv = hns_mac_get_drv(mac_cb);
if (drv->wait_fifo_clean)
return drv->wait_fifo_clean(drv);
return 0;
}
void hns_mac_reset(struct hns_mac_cb *mac_cb)
{
struct mac_driver *drv = hns_mac_get_drv(mac_cb);
bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
drv->mac_init(drv);
if (drv->config_max_frame_length)
drv->config_max_frame_length(drv, mac_cb->max_frm);
if (drv->set_tx_auto_pause_frames)
drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
if (drv->set_an_mode)
drv->set_an_mode(drv, 1);
if (drv->mac_pausefrm_cfg) {
if (mac_cb->mac_type == HNAE_PORT_DEBUG)
drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
else /* mac rx must disable, dsaf pfc close instead of it*/
drv->mac_pausefrm_cfg(drv, 0, 1);
}
}
int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
{
struct mac_driver *drv = hns_mac_get_drv(mac_cb);
u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
MAC_MAX_MTU : MAC_MAX_MTU_V2;
if (mac_cb->mac_type == HNAE_PORT_DEBUG)
max_frm = MAC_MAX_MTU_DBG;
if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
return -EINVAL;
if (!drv->config_max_frame_length)
return -ECHILD;
/* adjust max frame to be at least the size of a standard frame */
if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
drv->config_max_frame_length(drv, new_frm);
mac_cb->max_frm = new_frm;
return 0;
}
void hns_mac_start(struct hns_mac_cb *mac_cb)
{
struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
/* for virt */
if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
/*plus 1 when the virtual mac has been enabled */
mac_drv->virt_dev_num += 1;
return;
}
if (mac_drv->mac_enable) {
mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
mac_drv->mac_en_flg = MAC_EN_FLAG_V;
}
}
void hns_mac_stop(struct hns_mac_cb *mac_cb)
{
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
/*modified for virtualization */
if (mac_ctrl_drv->virt_dev_num > 0) {
mac_ctrl_drv->virt_dev_num -= 1;
if (mac_ctrl_drv->virt_dev_num > 0)
return;
}
if (mac_ctrl_drv->mac_disable)
mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
MAC_COMM_MODE_RX_AND_TX);
mac_ctrl_drv->mac_en_flg = 0;
mac_cb->link = 0;
mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
}
/**
* hns_mac_get_autoneg - get auto autonegotiation
* @mac_cb: mac control block
* @enable: enable or not
* retuen 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
* retuen 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
* retuen 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
* retuen 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 = 1;
else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
is_c45 = 0;
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 acpi_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;
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(acpi_fwnode_handle(args.adev));
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
*@np:device node
* 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: %s\n",
mac_cb->mac_id, np->name);
}
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: %s\n",
mac_cb->mac_id, np->name);
}
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
* retuen 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;