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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/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/phy_fixed.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include "hns_dsaf_misc.h"
#include "hns_dsaf_main.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_mac_dev_to_enet_if(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 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;
}
}
int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
{
if (!mac_cb->cpld_vaddr)
return -ENODEV;
*sfp_prsnt = !dsaf_read_b((u8 *)mac_cb->cpld_vaddr
+ MAC_SFP_PORT_OFFSET);
return 0;
}
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;
ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
if (!ret)
*link_status = *link_status && sfp_prsnt;
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;
}
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;
mac_ctrl_drv->mac_mode = hns_mac_dev_to_enet_if(mac_cb);
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
*
*/
static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb,
u8 vmid, u8 *port_num)
{
u8 tmp_port;
u32 comm_idx;
if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
if (mac_cb->mac_id != DSAF_MAX_PORT_NUM_PER_CHIP) {
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_PER_CHIP) {
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;
}
comm_idx = hns_dsaf_get_comm_idx_by_port(mac_cb->mac_id);
if (vmid >= mac_cb->dsaf_dev->rcb_common[comm_idx]->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;
}
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 = vmid;
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_get_inner_port_num - 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_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;
}
/**
*hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
* address twice
*@net_dev: net device
*@vfn : vf lan
*@mac : mac address
*return status
*/
int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
{
struct mac_entry_idx *old_mac;
struct dsaf_device *dsaf_dev;
u32 ret;
dsaf_dev = mac_cb->dsaf_dev;
if (vfn < DSAF_MAX_VM_NUM) {
old_mac = &mac_cb->addr_entry_idx[vfn];
} else {
dev_err(mac_cb->dev,
"vf queue is too large,%s mac%d queue = %#x!\n",
mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
return -EINVAL;
}
if (dsaf_dev) {
ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
mac_cb->mac_id, old_mac->addr);
if (ret)
return ret;
if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
old_mac->valid = 0;
}
return 0;
}
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);
memcpy(param->addr, mac_cb->addr_entry_idx[0].addr,
MAC_NUM_OCTETS_PER_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[MAC_NUM_OCTETS_PER_ADDR]
= {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[MAC_NUM_OCTETS_PER_ADDR]
= {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;
}
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)
{
struct mac_driver *drv = hns_mac_get_drv(mac_cb);
u32 buf_size = mac_cb->dsaf_dev->buf_size;
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_mtu < MAC_MIN_MTU) || (new_frm > max_frm) ||
(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;
cpld_led_reset(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, "enable autoneg is not allowed!");
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 cann't enable tx/rx_pause!");
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;
}
/**
*mac_free_dev - get mac information from device node
*@mac_cb: mac device
*@np:device node
*@mac_mode_idx:mac mode index
*/
static void hns_mac_get_info(struct hns_mac_cb *mac_cb,
struct device_node *np, u32 mac_mode_idx)
{
mac_cb->link = false;
mac_cb->half_duplex = false;
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;
/* Get the rest of the PHY information */
mac_cb->phy_node = of_parse_phandle(np, "phy-handle", mac_cb->mac_id);
if (mac_cb->phy_node)
dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
mac_cb->mac_id, mac_cb->phy_node->name);
}
/**
* 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;
default:
return -EINVAL;
}
}
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 mac_cb->serdes_vaddr + 0x1000
+ (mac_id - DSAF_SERVICE_PORT_NUM_PER_DSAF) * 0x100000;
}
/**
* hns_mac_get_cfg - get mac cfg from dtb or acpi table
* @dsaf_dev: dsa fabric device struct pointer
* @mac_idx: mac index
* retuen 0 - success , negative --fail
*/
int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, int mac_idx)
{
int ret;
u32 mac_mode_idx;
struct hns_mac_cb *mac_cb = &dsaf_dev->mac_cb[mac_idx];
mac_cb->dsaf_dev = dsaf_dev;
mac_cb->dev = dsaf_dev->dev;
mac_cb->mac_id = mac_idx;
mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
mac_cb->serdes_vaddr = dsaf_dev->sds_base;
if (dsaf_dev->cpld_base &&
mac_idx < DSAF_SERVICE_PORT_NUM_PER_DSAF) {
mac_cb->cpld_vaddr = dsaf_dev->cpld_base +
mac_cb->mac_id * CPLD_ADDR_PORT_OFFSET;
cpld_led_reset(mac_cb);
}
mac_cb->sfp_prsnt = 0;
mac_cb->txpkt_for_led = 0;
mac_cb->rxpkt_for_led = 0;
if (mac_idx < DSAF_SERVICE_PORT_NUM_PER_DSAF)
mac_cb->mac_type = HNAE_PORT_SERVICE;
else
mac_cb->mac_type = HNAE_PORT_DEBUG;
mac_cb->phy_if = hns_mac_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;
hns_mac_get_info(mac_cb, mac_cb->dev->of_node, mac_mode_idx);
mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
return 0;
}
/**
* hns_mac_init - init mac
* @dsaf_dev: dsa fabric device struct pointer
* retuen 0 - success , negative --fail
*/
int hns_mac_init(struct dsaf_device *dsaf_dev)
{
int i;
int ret;
size_t size;
struct hns_mac_cb *mac_cb;
size = sizeof(struct hns_mac_cb) * DSAF_MAX_PORT_NUM_PER_CHIP;
dsaf_dev->mac_cb = devm_kzalloc(dsaf_dev->dev, size, GFP_KERNEL);
if (!dsaf_dev->mac_cb)
return -ENOMEM;
for (i = 0; i < DSAF_MAX_PORT_NUM_PER_CHIP; i++) {
ret = hns_mac_get_cfg(dsaf_dev, i);
if (ret)
goto free_mac_cb;
mac_cb = &dsaf_dev->mac_cb[i];
ret = hns_mac_init_ex(mac_cb);
if (ret)
goto free_mac_cb;
}
return 0;
free_mac_cb:
dsaf_dev->mac_cb = NULL;
return ret;
}
void hns_mac_uninit(struct dsaf_device *dsaf_dev)
{
cpld_led_reset(dsaf_dev->mac_cb);
dsaf_dev->mac_cb = 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);
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;
hns_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 || !mac_cb->cpld_vaddr)
return 0;
return cpld_set_led_id(mac_cb, status);
}
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