2 * Copyright (c) 2014-2015 Hisilicon Limited.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
10 #include <linux/acpi.h>
11 #include <linux/init.h>
12 #include <linux/interrupt.h>
13 #include <linux/kernel.h>
14 #include <linux/mfd/syscon.h>
15 #include <linux/module.h>
16 #include <linux/netdevice.h>
18 #include <linux/of_address.h>
19 #include <linux/of_mdio.h>
20 #include <linux/phy.h>
21 #include <linux/platform_device.h>
23 #include "hns_dsaf_main.h"
24 #include "hns_dsaf_misc.h"
25 #include "hns_dsaf_rcb.h"
27 #define MAC_EN_FLAG_V 0xada0328
29 static const u16 mac_phy_to_speed[] = {
30 [PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
31 [PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
32 [PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
33 [PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
34 [PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
35 [PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
36 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
37 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
38 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
39 [PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
40 [PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
43 static const enum mac_mode g_mac_mode_100[] = {
44 [PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100,
45 [PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100
48 static const enum mac_mode g_mac_mode_1000[] = {
49 [PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000,
50 [PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000,
51 [PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000,
52 [PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000,
53 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000,
54 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
55 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
56 [PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000
59 static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
61 switch (mac_cb->max_speed) {
63 return g_mac_mode_100[mac_cb->phy_if];
65 return g_mac_mode_1000[mac_cb->phy_if];
67 return MAC_MODE_XGMII_10000;
69 return MAC_MODE_MII_100;
73 void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
75 struct mac_driver *mac_ctrl_drv;
78 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
80 if (mac_ctrl_drv->get_link_status)
81 mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
85 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb, &sfp_prsnt);
87 *link_status = *link_status && sfp_prsnt;
89 mac_cb->link = *link_status;
92 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
93 u8 *auto_neg, u16 *speed, u8 *duplex)
95 struct mac_driver *mac_ctrl_drv;
98 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
100 if (!mac_ctrl_drv->get_info)
103 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
105 *auto_neg = info.auto_neg;
109 *duplex = info.duplex;
114 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
117 struct mac_driver *mac_ctrl_drv;
119 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
121 mac_cb->speed = speed;
122 mac_cb->half_duplex = !duplex;
124 if (mac_ctrl_drv->adjust_link) {
125 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
126 (enum mac_speed)speed, duplex);
129 "adjust_link failed, %s mac%d ret = %#x!\n",
130 mac_cb->dsaf_dev->ae_dev.name,
131 mac_cb->mac_id, ret);
138 *hns_mac_get_inner_port_num - get mac table inner port number
141 *@port_num:port number
144 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
146 int q_num_per_vf, vf_num_per_port;
150 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
151 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
153 "input invalid, %s mac%d vmid%d !\n",
154 mac_cb->dsaf_dev->ae_dev.name,
155 mac_cb->mac_id, vmid);
158 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
159 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
161 "input invalid, %s mac%d vmid%d!\n",
162 mac_cb->dsaf_dev->ae_dev.name,
163 mac_cb->mac_id, vmid);
167 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
168 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
172 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
173 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
174 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
178 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
179 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
181 vm_queue_id = vmid * q_num_per_vf +
182 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
184 switch (mac_cb->dsaf_dev->dsaf_mode) {
185 case DSAF_MODE_ENABLE_FIX:
188 case DSAF_MODE_DISABLE_FIX:
191 case DSAF_MODE_ENABLE_0VM:
192 case DSAF_MODE_ENABLE_8VM:
193 case DSAF_MODE_ENABLE_16VM:
194 case DSAF_MODE_ENABLE_32VM:
195 case DSAF_MODE_ENABLE_128VM:
196 case DSAF_MODE_DISABLE_2PORT_8VM:
197 case DSAF_MODE_DISABLE_2PORT_16VM:
198 case DSAF_MODE_DISABLE_2PORT_64VM:
199 case DSAF_MODE_DISABLE_6PORT_0VM:
200 case DSAF_MODE_DISABLE_6PORT_2VM:
201 case DSAF_MODE_DISABLE_6PORT_4VM:
202 case DSAF_MODE_DISABLE_6PORT_16VM:
203 tmp_port = vm_queue_id;
206 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
207 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
210 tmp_port += DSAF_BASE_INNER_PORT_NUM;
212 *port_num = tmp_port;
218 *hns_mac_change_vf_addr - change vf mac address
223 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
224 u32 vmid, char *addr)
227 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
228 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
229 struct dsaf_drv_mac_single_dest_entry mac_entry;
230 struct mac_entry_idx *old_entry;
232 old_entry = &mac_cb->addr_entry_idx[vmid];
233 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
234 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
235 mac_entry.in_vlan_id = old_entry->vlan_id;
236 mac_entry.in_port_num = mac_cb->mac_id;
237 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
238 &mac_entry.port_num);
242 if ((old_entry->valid != 0) &&
243 (memcmp(old_entry->addr,
244 addr, sizeof(mac_entry.addr)) != 0)) {
245 ret = hns_dsaf_del_mac_entry(dsaf_dev,
253 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
258 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
259 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
261 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
262 old_entry->valid = 1;
266 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
267 u32 port_num, char *addr, bool enable)
270 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
271 struct dsaf_drv_mac_single_dest_entry mac_entry;
273 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
274 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
275 mac_entry.in_vlan_id = 0;/*vlan_id;*/
276 mac_entry.in_port_num = mac_cb->mac_id;
277 mac_entry.port_num = port_num;
280 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
282 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
284 dev_err(dsaf_dev->dev,
285 "set mac mc port failed, %s mac%d ret = %#x!\n",
286 mac_cb->dsaf_dev->ae_dev.name,
287 mac_cb->mac_id, ret);
296 *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
298 *@net_dev: net device
303 int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
305 struct mac_entry_idx *old_mac;
306 struct dsaf_device *dsaf_dev;
309 dsaf_dev = mac_cb->dsaf_dev;
311 if (vfn < DSAF_MAX_VM_NUM) {
312 old_mac = &mac_cb->addr_entry_idx[vfn];
315 "vf queue is too large, %s mac%d queue = %#x!\n",
316 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
321 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
322 mac_cb->mac_id, old_mac->addr);
326 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
333 static void hns_mac_param_get(struct mac_params *param,
334 struct hns_mac_cb *mac_cb)
336 param->vaddr = (void *)mac_cb->vaddr;
337 param->mac_mode = hns_get_enet_interface(mac_cb);
338 memcpy(param->addr, mac_cb->addr_entry_idx[0].addr,
339 MAC_NUM_OCTETS_PER_ADDR);
340 param->mac_id = mac_cb->mac_id;
341 param->dev = mac_cb->dev;
345 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
347 *@queue: queue number
349 *retuen 0 - success , negative --fail
351 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
352 u32 port_num, u16 vlan_id, bool enable)
355 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
356 u8 addr[MAC_NUM_OCTETS_PER_ADDR]
357 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
358 struct dsaf_drv_mac_single_dest_entry mac_entry;
360 /* directy return ok in debug network mode */
361 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
364 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
365 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
366 mac_entry.in_vlan_id = vlan_id;
367 mac_entry.in_port_num = mac_cb->mac_id;
368 mac_entry.port_num = port_num;
371 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
373 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
381 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
385 *retuen 0 - success , negative --fail
387 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
390 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
392 u8 addr[MAC_NUM_OCTETS_PER_ADDR]
393 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
394 struct mac_entry_idx *uc_mac_entry;
395 struct dsaf_drv_mac_single_dest_entry mac_entry;
397 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
400 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
402 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
403 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
404 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
405 mac_entry.in_port_num = mac_cb->mac_id;
406 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
409 mac_entry.port_num = port_num;
412 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
414 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
421 void hns_mac_reset(struct hns_mac_cb *mac_cb)
423 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
424 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
428 if (drv->config_max_frame_length)
429 drv->config_max_frame_length(drv, mac_cb->max_frm);
431 if (drv->set_tx_auto_pause_frames)
432 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
434 if (drv->set_an_mode)
435 drv->set_an_mode(drv, 1);
437 if (drv->mac_pausefrm_cfg) {
438 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
439 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
440 else /* mac rx must disable, dsaf pfc close instead of it*/
441 drv->mac_pausefrm_cfg(drv, 0, 1);
445 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu)
447 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
448 u32 buf_size = mac_cb->dsaf_dev->buf_size;
449 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
450 u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
451 MAC_MAX_MTU : MAC_MAX_MTU_V2;
453 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
454 max_frm = MAC_MAX_MTU_DBG;
456 if ((new_mtu < MAC_MIN_MTU) || (new_frm > max_frm) ||
457 (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size))
460 if (!drv->config_max_frame_length)
463 /* adjust max frame to be at least the size of a standard frame */
464 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
465 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
467 drv->config_max_frame_length(drv, new_frm);
469 mac_cb->max_frm = new_frm;
474 void hns_mac_start(struct hns_mac_cb *mac_cb)
476 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
479 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
480 /*plus 1 when the virtual mac has been enabled */
481 mac_drv->virt_dev_num += 1;
485 if (mac_drv->mac_enable) {
486 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
487 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
491 void hns_mac_stop(struct hns_mac_cb *mac_cb)
493 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
495 /*modified for virtualization */
496 if (mac_ctrl_drv->virt_dev_num > 0) {
497 mac_ctrl_drv->virt_dev_num -= 1;
498 if (mac_ctrl_drv->virt_dev_num > 0)
502 if (mac_ctrl_drv->mac_disable)
503 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
504 MAC_COMM_MODE_RX_AND_TX);
506 mac_ctrl_drv->mac_en_flg = 0;
508 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
512 * hns_mac_get_autoneg - get auto autonegotiation
513 * @mac_cb: mac control block
514 * @enable: enable or not
515 * retuen 0 - success , negative --fail
517 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
519 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
521 if (mac_ctrl_drv->autoneg_stat)
522 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
528 * hns_mac_get_pauseparam - set rx & tx pause parameter
529 * @mac_cb: mac control block
530 * @rx_en: rx enable status
531 * @tx_en: tx enable status
532 * retuen 0 - success , negative --fail
534 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
536 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
538 if (mac_ctrl_drv->get_pause_enable) {
539 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
547 * hns_mac_set_autoneg - set auto autonegotiation
548 * @mac_cb: mac control block
549 * @enable: enable or not
550 * retuen 0 - success , negative --fail
552 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
554 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
556 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
557 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
561 if (mac_ctrl_drv->set_an_mode)
562 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
568 * hns_mac_set_autoneg - set rx & tx pause parameter
569 * @mac_cb: mac control block
570 * @rx_en: rx enable or not
571 * @tx_en: tx enable or not
572 * return 0 - success , negative --fail
574 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
576 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
577 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
579 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
580 if (is_ver1 && (tx_en || rx_en)) {
581 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
586 if (mac_ctrl_drv->mac_pausefrm_cfg)
587 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
593 * hns_mac_init_ex - mac init
594 * @mac_cb: mac control block
595 * retuen 0 - success , negative --fail
597 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
600 struct mac_params param;
601 struct mac_driver *drv;
603 hns_dsaf_fix_mac_mode(mac_cb);
605 memset(¶m, 0, sizeof(struct mac_params));
606 hns_mac_param_get(¶m, mac_cb);
608 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
609 drv = (struct mac_driver *)hns_gmac_config(mac_cb, ¶m);
611 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, ¶m);
616 mac_cb->priv.mac = (void *)drv;
617 hns_mac_reset(mac_cb);
619 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
621 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
628 drv->mac_free(mac_cb->priv.mac);
629 mac_cb->priv.mac = NULL;
635 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
640 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
642 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
646 if (addr >= PHY_MAX_ADDR) {
647 dev_err(dev, "PHY address %i is too large\n", addr);
655 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
658 struct phy_device *phy;
659 const char *phy_type;
663 rc = fwnode_property_read_string(mac_cb->fw_port,
664 "phy-mode", &phy_type);
668 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
670 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
675 phy = get_phy_device(mdio, addr, is_c45);
676 if (!phy || IS_ERR(phy))
679 phy->irq = mdio->irq[addr];
681 /* All data is now stored in the phy struct;
684 rc = phy_device_register(phy);
686 phy_device_free(phy);
690 mac_cb->phy_dev = phy;
692 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
697 static void hns_mac_register_phy(struct hns_mac_cb *mac_cb)
699 struct acpi_reference_args args;
700 struct platform_device *pdev;
701 struct mii_bus *mii_bus;
705 /* Loop over the child nodes and register a phy_device for each one */
706 if (!to_acpi_device_node(mac_cb->fw_port))
709 rc = acpi_node_get_property_reference(
710 mac_cb->fw_port, "mdio-node", 0, &args);
714 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
718 /* dev address in adev */
719 pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
720 mii_bus = platform_get_drvdata(pdev);
721 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
723 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
724 mac_cb->mac_id, addr);
727 static void hns_mac_remove_phydev(struct hns_mac_cb *mac_cb)
729 if (!to_acpi_device_node(mac_cb->fw_port) || !mac_cb->phy_dev)
732 phy_device_remove(mac_cb->phy_dev);
733 phy_device_free(mac_cb->phy_dev);
735 mac_cb->phy_dev = NULL;
738 #define MAC_MEDIA_TYPE_MAX_LEN 16
740 static const struct {
741 enum hnae_media_type value;
743 } media_type_defs[] = {
744 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
745 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
746 {HNAE_MEDIA_TYPE_COPPER, "copper" },
747 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
751 *hns_mac_get_info - get mac information from device node
754 * return: 0 --success, negative --fail
756 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
758 struct device_node *np;
759 struct regmap *syscon;
760 struct of_phandle_args cpld_args;
761 const char *media_type;
765 mac_cb->link = false;
766 mac_cb->half_duplex = false;
767 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
768 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
769 mac_cb->max_speed = mac_cb->speed;
771 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
772 mac_cb->if_support = MAC_GMAC_SUPPORTED;
773 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
774 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
775 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
776 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
779 mac_cb->max_frm = MAC_DEFAULT_MTU;
780 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
781 mac_cb->port_rst_off = mac_cb->mac_id;
782 mac_cb->port_mode_off = 0;
784 /* if the dsaf node doesn't contain a port subnode, get phy-handle
787 if (!mac_cb->fw_port) {
788 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
790 mac_cb->phy_dev = of_phy_find_device(np);
791 if (mac_cb->phy_dev) {
792 /* refcount is held by of_phy_find_device()
793 * if the phy_dev is found
795 put_device(&mac_cb->phy_dev->mdio.dev);
797 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
798 mac_cb->mac_id, np->name);
805 if (is_of_node(mac_cb->fw_port)) {
806 /* parse property from port subnode in dsaf */
807 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
809 mac_cb->phy_dev = of_phy_find_device(np);
810 if (mac_cb->phy_dev) {
811 /* refcount is held by of_phy_find_device()
812 * if the phy_dev is found
814 put_device(&mac_cb->phy_dev->mdio.dev);
815 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
816 mac_cb->mac_id, np->name);
820 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
822 syscon = syscon_node_to_regmap(np);
824 if (IS_ERR_OR_NULL(syscon)) {
825 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
828 mac_cb->serdes_ctrl = syscon;
830 ret = fwnode_property_read_u32(mac_cb->fw_port,
832 &mac_cb->port_rst_off);
835 "mac%d port-rst-offset not found, use default value.\n",
839 ret = fwnode_property_read_u32(mac_cb->fw_port,
841 &mac_cb->port_mode_off);
844 "mac%d port-mode-offset not found, use default value.\n",
848 ret = of_parse_phandle_with_fixed_args(
849 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
852 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
854 mac_cb->cpld_ctrl = NULL;
856 syscon = syscon_node_to_regmap(cpld_args.np);
857 if (IS_ERR_OR_NULL(syscon)) {
858 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
859 mac_cb->cpld_ctrl = NULL;
861 mac_cb->cpld_ctrl = syscon;
862 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
865 } else if (is_acpi_node(mac_cb->fw_port)) {
866 hns_mac_register_phy(mac_cb);
868 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
872 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
874 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
875 if (!strncmp(media_type_defs[i].name, media_type,
876 MAC_MEDIA_TYPE_MAX_LEN)) {
877 mac_cb->media_type = media_type_defs[i].value;
887 * hns_mac_get_mode - get mac mode
888 * @phy_if: phy interface
889 * retuen 0 - gmac, 1 - xgmac , negative --fail
891 static int hns_mac_get_mode(phy_interface_t phy_if)
894 case PHY_INTERFACE_MODE_SGMII:
896 case PHY_INTERFACE_MODE_XGMII:
897 return MAC_XGMAC_IDX;
903 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
904 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
906 u8 __iomem *base = dsaf_dev->io_base;
907 int mac_id = mac_cb->mac_id;
909 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
910 return base + 0x40000 + mac_id * 0x4000 -
911 mac_mode_idx * 0x20000;
913 return dsaf_dev->ppe_base + 0x1000;
917 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
918 * @dsaf_dev: dsa fabric device struct pointer
919 * @mac_cb: mac control block
920 * return 0 - success , negative --fail
922 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
927 mac_cb->dsaf_dev = dsaf_dev;
928 mac_cb->dev = dsaf_dev->dev;
930 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
931 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
933 mac_cb->sfp_prsnt = 0;
934 mac_cb->txpkt_for_led = 0;
935 mac_cb->rxpkt_for_led = 0;
937 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
938 mac_cb->mac_type = HNAE_PORT_SERVICE;
940 mac_cb->mac_type = HNAE_PORT_DEBUG;
942 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
944 ret = hns_mac_get_mode(mac_cb->phy_if);
946 dev_err(dsaf_dev->dev,
947 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
948 mac_cb->mac_id, ret);
951 mac_mode_idx = (u32)ret;
953 ret = hns_mac_get_info(mac_cb);
957 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
958 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
963 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
965 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
968 return DSAF_MAX_PORT_NUM;
972 * hns_mac_init - init mac
973 * @dsaf_dev: dsa fabric device struct pointer
974 * return 0 - success , negative --fail
976 int hns_mac_init(struct dsaf_device *dsaf_dev)
981 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
982 struct hns_mac_cb *mac_cb;
983 struct fwnode_handle *child;
985 device_for_each_child_node(dsaf_dev->dev, child) {
986 ret = fwnode_property_read_u32(child, "reg", &port_id);
988 dev_err(dsaf_dev->dev,
989 "get reg fail, ret=%d!\n", ret);
992 if (port_id >= max_port_num) {
993 dev_err(dsaf_dev->dev,
994 "reg(%u) out of range!\n", port_id);
997 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1001 mac_cb->fw_port = child;
1002 mac_cb->mac_id = (u8)port_id;
1003 dsaf_dev->mac_cb[port_id] = mac_cb;
1007 /* if don't get any port subnode from dsaf node
1008 * will init all port then, this is compatible with the old dts
1011 for (port_id = 0; port_id < max_port_num; port_id++) {
1012 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1017 mac_cb->mac_id = port_id;
1018 dsaf_dev->mac_cb[port_id] = mac_cb;
1021 /* init mac_cb for all port */
1022 for (port_id = 0; port_id < max_port_num; port_id++) {
1023 mac_cb = dsaf_dev->mac_cb[port_id];
1027 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1030 ret = hns_mac_init_ex(mac_cb);
1038 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1041 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1043 for (i = 0; i < max_port_num; i++) {
1044 if (!dsaf_dev->mac_cb[i])
1047 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1048 hns_mac_remove_phydev(dsaf_dev->mac_cb[i]);
1049 dsaf_dev->mac_cb[i] = NULL;
1053 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1054 enum hnae_loop loop, int en)
1057 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1059 if (drv->config_loopback)
1060 ret = drv->config_loopback(drv, loop, en);
1067 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1069 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1071 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1074 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1076 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1078 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1081 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1082 int stringset, u8 *data)
1084 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1086 mac_ctrl_drv->get_strings(stringset, data);
1089 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1091 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1093 return mac_ctrl_drv->get_sset_count(stringset);
1096 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1098 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1100 if (mac_ctrl_drv->set_promiscuous)
1101 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1104 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1106 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1108 return mac_ctrl_drv->get_regs_count();
1111 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1113 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1115 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1118 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1123 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1124 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1125 if (txpkts || rxpkts)
1129 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1130 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1131 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1132 mac_cb->speed, nic_data);
1135 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1136 enum hnae_led_state status)
1138 if (!mac_cb || !mac_cb->cpld_ctrl)
1141 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);