--- /dev/null
+/*
+ * 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);
+}
Code Review / kvmfornfv.git / blobdiff