diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 902 |
1 files changed, 902 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c new file mode 100644 index 000000000000..026b38676cba --- /dev/null +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -0,0 +1,902 @@ +/* + * 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 (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, u8 en) +{ + int ret; + struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; + struct dsaf_drv_mac_single_dest_entry mac_entry; + + if (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 (en == DISABLE) + 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, u8 en) +{ + 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 (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 (en == DISABLE) + 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, u8 en) +{ + 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 (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 (en == DISABLE) + 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; + + drv = hns_mac_get_drv(mac_cb); + + 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, 0, 0); + 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; + + if ((new_mtu < MAC_MIN_MTU) || (new_frm > MAC_MAX_MTU) || + (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; + } + + /* Due to the chip defect, the service mac's rx pause CAN'T be enabled. + * We set the rx pause frm always be true (1), because DSAF deals with + * the rx pause frm instead of service mac. After all, we still support + * rx pause frm. + */ + if (mac_cb->mac_type == HNAE_PORT_SERVICE) + *rx_en = 1; +} + +/** + * 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); + + if (mac_cb->mac_type == HNAE_PORT_SERVICE) { + if (!rx_en) { + dev_err(mac_cb->dev, "disable rx_pause is not allowed!"); + return -EINVAL; + } + } else if (mac_cb->mac_type == HNAE_PORT_DEBUG) { + if (tx_en || rx_en) { + dev_err(mac_cb->dev, "enable tx_pause or enable rx_pause are not allowed!"); + return -EINVAL; + } + } else { + dev_err(mac_cb->dev, "Unsupport this operation!"); + 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, ENABLE); + 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); +} + +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); +} |