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 if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) {
86 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb,
89 *link_status = *link_status && sfp_prsnt;
92 mac_cb->link = *link_status;
95 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
96 u8 *auto_neg, u16 *speed, u8 *duplex)
98 struct mac_driver *mac_ctrl_drv;
101 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
103 if (!mac_ctrl_drv->get_info)
106 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
108 *auto_neg = info.auto_neg;
112 *duplex = info.duplex;
117 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
120 struct mac_driver *mac_ctrl_drv;
122 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
124 mac_cb->speed = speed;
125 mac_cb->half_duplex = !duplex;
127 if (mac_ctrl_drv->adjust_link) {
128 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
129 (enum mac_speed)speed, duplex);
132 "adjust_link failed, %s mac%d ret = %#x!\n",
133 mac_cb->dsaf_dev->ae_dev.name,
134 mac_cb->mac_id, ret);
141 *hns_mac_get_inner_port_num - get mac table inner port number
144 *@port_num:port number
147 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
149 int q_num_per_vf, vf_num_per_port;
153 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
154 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
156 "input invalid, %s mac%d vmid%d !\n",
157 mac_cb->dsaf_dev->ae_dev.name,
158 mac_cb->mac_id, vmid);
161 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
162 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
164 "input invalid, %s mac%d vmid%d!\n",
165 mac_cb->dsaf_dev->ae_dev.name,
166 mac_cb->mac_id, vmid);
170 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
171 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
175 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
176 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
177 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
181 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
182 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
184 vm_queue_id = vmid * q_num_per_vf +
185 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
187 switch (mac_cb->dsaf_dev->dsaf_mode) {
188 case DSAF_MODE_ENABLE_FIX:
191 case DSAF_MODE_DISABLE_FIX:
194 case DSAF_MODE_ENABLE_0VM:
195 case DSAF_MODE_ENABLE_8VM:
196 case DSAF_MODE_ENABLE_16VM:
197 case DSAF_MODE_ENABLE_32VM:
198 case DSAF_MODE_ENABLE_128VM:
199 case DSAF_MODE_DISABLE_2PORT_8VM:
200 case DSAF_MODE_DISABLE_2PORT_16VM:
201 case DSAF_MODE_DISABLE_2PORT_64VM:
202 case DSAF_MODE_DISABLE_6PORT_0VM:
203 case DSAF_MODE_DISABLE_6PORT_2VM:
204 case DSAF_MODE_DISABLE_6PORT_4VM:
205 case DSAF_MODE_DISABLE_6PORT_16VM:
206 tmp_port = vm_queue_id;
209 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
210 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
213 tmp_port += DSAF_BASE_INNER_PORT_NUM;
215 *port_num = tmp_port;
221 *hns_mac_change_vf_addr - change vf mac address
226 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
227 u32 vmid, char *addr)
230 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
231 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
232 struct dsaf_drv_mac_single_dest_entry mac_entry;
233 struct mac_entry_idx *old_entry;
235 old_entry = &mac_cb->addr_entry_idx[vmid];
236 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
237 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
238 mac_entry.in_vlan_id = old_entry->vlan_id;
239 mac_entry.in_port_num = mac_cb->mac_id;
240 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
241 &mac_entry.port_num);
245 if ((old_entry->valid != 0) &&
246 (memcmp(old_entry->addr,
247 addr, sizeof(mac_entry.addr)) != 0)) {
248 ret = hns_dsaf_del_mac_entry(dsaf_dev,
256 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
261 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
262 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
264 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
265 old_entry->valid = 1;
269 int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
270 const unsigned char *addr)
272 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
273 struct dsaf_drv_mac_single_dest_entry mac_entry;
276 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
279 memset(&mac_entry, 0, sizeof(mac_entry));
280 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
281 mac_entry.in_port_num = mac_cb->mac_id;
282 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
286 return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
289 int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
290 const unsigned char *addr)
292 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
293 struct dsaf_drv_mac_single_dest_entry mac_entry;
296 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
299 memset(&mac_entry, 0, sizeof(mac_entry));
300 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
301 mac_entry.in_port_num = mac_cb->mac_id;
302 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
306 return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
309 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
310 u32 port_num, char *addr, bool enable)
313 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
314 struct dsaf_drv_mac_single_dest_entry mac_entry;
316 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
317 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
318 mac_entry.in_vlan_id = 0;/*vlan_id;*/
319 mac_entry.in_port_num = mac_cb->mac_id;
320 mac_entry.port_num = port_num;
323 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
325 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
327 dev_err(dsaf_dev->dev,
328 "set mac mc port failed, %s mac%d ret = %#x!\n",
329 mac_cb->dsaf_dev->ae_dev.name,
330 mac_cb->mac_id, ret);
338 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
340 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
342 int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
347 return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
350 static void hns_mac_param_get(struct mac_params *param,
351 struct hns_mac_cb *mac_cb)
353 param->vaddr = (void *)mac_cb->vaddr;
354 param->mac_mode = hns_get_enet_interface(mac_cb);
355 ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
356 param->mac_id = mac_cb->mac_id;
357 param->dev = mac_cb->dev;
361 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
363 *@queue: queue number
365 *retuen 0 - success , negative --fail
367 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
368 u32 port_num, u16 vlan_id, bool enable)
371 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
372 struct dsaf_drv_mac_single_dest_entry mac_entry;
374 /* directy return ok in debug network mode */
375 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
378 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
379 eth_broadcast_addr(mac_entry.addr);
380 mac_entry.in_vlan_id = vlan_id;
381 mac_entry.in_port_num = mac_cb->mac_id;
382 mac_entry.port_num = port_num;
385 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
387 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
395 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
399 *retuen 0 - success , negative --fail
401 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
404 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
406 struct mac_entry_idx *uc_mac_entry;
407 struct dsaf_drv_mac_single_dest_entry mac_entry;
409 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
412 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
414 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
415 eth_broadcast_addr(mac_entry.addr);
416 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
417 mac_entry.in_port_num = mac_cb->mac_id;
418 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
421 mac_entry.port_num = port_num;
424 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
426 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
433 void hns_mac_reset(struct hns_mac_cb *mac_cb)
435 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
436 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
440 if (drv->config_max_frame_length)
441 drv->config_max_frame_length(drv, mac_cb->max_frm);
443 if (drv->set_tx_auto_pause_frames)
444 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
446 if (drv->set_an_mode)
447 drv->set_an_mode(drv, 1);
449 if (drv->mac_pausefrm_cfg) {
450 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
451 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
452 else /* mac rx must disable, dsaf pfc close instead of it*/
453 drv->mac_pausefrm_cfg(drv, 0, 1);
457 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
459 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
460 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
461 u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
462 MAC_MAX_MTU : MAC_MAX_MTU_V2;
464 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
465 max_frm = MAC_MAX_MTU_DBG;
467 if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
470 if (!drv->config_max_frame_length)
473 /* adjust max frame to be at least the size of a standard frame */
474 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
475 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
477 drv->config_max_frame_length(drv, new_frm);
479 mac_cb->max_frm = new_frm;
484 void hns_mac_start(struct hns_mac_cb *mac_cb)
486 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
489 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
490 /*plus 1 when the virtual mac has been enabled */
491 mac_drv->virt_dev_num += 1;
495 if (mac_drv->mac_enable) {
496 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
497 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
501 void hns_mac_stop(struct hns_mac_cb *mac_cb)
503 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
505 /*modified for virtualization */
506 if (mac_ctrl_drv->virt_dev_num > 0) {
507 mac_ctrl_drv->virt_dev_num -= 1;
508 if (mac_ctrl_drv->virt_dev_num > 0)
512 if (mac_ctrl_drv->mac_disable)
513 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
514 MAC_COMM_MODE_RX_AND_TX);
516 mac_ctrl_drv->mac_en_flg = 0;
518 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
522 * hns_mac_get_autoneg - get auto autonegotiation
523 * @mac_cb: mac control block
524 * @enable: enable or not
525 * retuen 0 - success , negative --fail
527 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
529 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
531 if (mac_ctrl_drv->autoneg_stat)
532 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
538 * hns_mac_get_pauseparam - set rx & tx pause parameter
539 * @mac_cb: mac control block
540 * @rx_en: rx enable status
541 * @tx_en: tx enable status
542 * retuen 0 - success , negative --fail
544 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
546 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
548 if (mac_ctrl_drv->get_pause_enable) {
549 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
557 * hns_mac_set_autoneg - set auto autonegotiation
558 * @mac_cb: mac control block
559 * @enable: enable or not
560 * retuen 0 - success , negative --fail
562 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
564 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
566 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
567 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
571 if (mac_ctrl_drv->set_an_mode)
572 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
578 * hns_mac_set_autoneg - set rx & tx pause parameter
579 * @mac_cb: mac control block
580 * @rx_en: rx enable or not
581 * @tx_en: tx enable or not
582 * return 0 - success , negative --fail
584 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
586 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
587 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
589 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
590 if (is_ver1 && (tx_en || rx_en)) {
591 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
596 if (mac_ctrl_drv->mac_pausefrm_cfg)
597 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
603 * hns_mac_init_ex - mac init
604 * @mac_cb: mac control block
605 * retuen 0 - success , negative --fail
607 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
610 struct mac_params param;
611 struct mac_driver *drv;
613 hns_dsaf_fix_mac_mode(mac_cb);
615 memset(¶m, 0, sizeof(struct mac_params));
616 hns_mac_param_get(¶m, mac_cb);
618 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
619 drv = (struct mac_driver *)hns_gmac_config(mac_cb, ¶m);
621 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, ¶m);
626 mac_cb->priv.mac = (void *)drv;
627 hns_mac_reset(mac_cb);
629 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
631 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
638 drv->mac_free(mac_cb->priv.mac);
639 mac_cb->priv.mac = NULL;
645 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
650 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
652 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
656 if (addr >= PHY_MAX_ADDR) {
657 dev_err(dev, "PHY address %i is too large\n", addr);
665 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
668 struct phy_device *phy;
669 const char *phy_type;
673 rc = fwnode_property_read_string(mac_cb->fw_port,
674 "phy-mode", &phy_type);
678 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
680 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
685 phy = get_phy_device(mdio, addr, is_c45);
686 if (!phy || IS_ERR(phy))
689 phy->irq = mdio->irq[addr];
691 /* All data is now stored in the phy struct;
694 rc = phy_device_register(phy);
696 phy_device_free(phy);
697 dev_err(&mdio->dev, "registered phy fail at address %i\n",
702 mac_cb->phy_dev = phy;
704 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
709 static int hns_mac_register_phy(struct hns_mac_cb *mac_cb)
711 struct acpi_reference_args args;
712 struct platform_device *pdev;
713 struct mii_bus *mii_bus;
717 /* Loop over the child nodes and register a phy_device for each one */
718 if (!to_acpi_device_node(mac_cb->fw_port))
721 rc = acpi_node_get_property_reference(
722 mac_cb->fw_port, "mdio-node", 0, &args);
726 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
730 /* dev address in adev */
731 pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
733 dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n",
738 mii_bus = platform_get_drvdata(pdev);
741 "mac%d mdio is NULL, dsaf will probe again later\n",
743 return -EPROBE_DEFER;
746 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
748 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
749 mac_cb->mac_id, addr);
754 #define MAC_MEDIA_TYPE_MAX_LEN 16
756 static const struct {
757 enum hnae_media_type value;
759 } media_type_defs[] = {
760 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
761 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
762 {HNAE_MEDIA_TYPE_COPPER, "copper" },
763 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
767 *hns_mac_get_info - get mac information from device node
770 * return: 0 --success, negative --fail
772 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
774 struct device_node *np;
775 struct regmap *syscon;
776 struct of_phandle_args cpld_args;
777 const char *media_type;
781 mac_cb->link = false;
782 mac_cb->half_duplex = false;
783 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
784 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
785 mac_cb->max_speed = mac_cb->speed;
787 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
788 mac_cb->if_support = MAC_GMAC_SUPPORTED;
789 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
790 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
791 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
792 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
795 mac_cb->max_frm = MAC_DEFAULT_MTU;
796 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
797 mac_cb->port_rst_off = mac_cb->mac_id;
798 mac_cb->port_mode_off = 0;
800 /* if the dsaf node doesn't contain a port subnode, get phy-handle
803 if (!mac_cb->fw_port) {
804 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
806 mac_cb->phy_dev = of_phy_find_device(np);
807 if (mac_cb->phy_dev) {
808 /* refcount is held by of_phy_find_device()
809 * if the phy_dev is found
811 put_device(&mac_cb->phy_dev->mdio.dev);
813 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
814 mac_cb->mac_id, np->name);
821 if (is_of_node(mac_cb->fw_port)) {
822 /* parse property from port subnode in dsaf */
823 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
825 mac_cb->phy_dev = of_phy_find_device(np);
826 if (mac_cb->phy_dev) {
827 /* refcount is held by of_phy_find_device()
828 * if the phy_dev is found
830 put_device(&mac_cb->phy_dev->mdio.dev);
831 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
832 mac_cb->mac_id, np->name);
836 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
838 syscon = syscon_node_to_regmap(np);
840 if (IS_ERR_OR_NULL(syscon)) {
841 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
844 mac_cb->serdes_ctrl = syscon;
846 ret = fwnode_property_read_u32(mac_cb->fw_port,
848 &mac_cb->port_rst_off);
851 "mac%d port-rst-offset not found, use default value.\n",
855 ret = fwnode_property_read_u32(mac_cb->fw_port,
857 &mac_cb->port_mode_off);
860 "mac%d port-mode-offset not found, use default value.\n",
864 ret = of_parse_phandle_with_fixed_args(
865 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
868 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
870 mac_cb->cpld_ctrl = NULL;
872 syscon = syscon_node_to_regmap(cpld_args.np);
873 if (IS_ERR_OR_NULL(syscon)) {
874 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
875 mac_cb->cpld_ctrl = NULL;
877 mac_cb->cpld_ctrl = syscon;
878 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
881 } else if (is_acpi_node(mac_cb->fw_port)) {
882 ret = hns_mac_register_phy(mac_cb);
884 * Mac can work well if there is phy or not.If the port don't
885 * connect with phy, the return value will be ignored. Only
886 * when there is phy but can't find mdio bus, the return value
889 if (ret == -EPROBE_DEFER)
892 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
896 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
898 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
899 if (!strncmp(media_type_defs[i].name, media_type,
900 MAC_MEDIA_TYPE_MAX_LEN)) {
901 mac_cb->media_type = media_type_defs[i].value;
907 if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
908 mac_cb->mc_mask, ETH_ALEN)) {
909 dev_warn(mac_cb->dev,
910 "no mc-mac-mask property, set to default value.\n");
911 eth_broadcast_addr(mac_cb->mc_mask);
918 * hns_mac_get_mode - get mac mode
919 * @phy_if: phy interface
920 * retuen 0 - gmac, 1 - xgmac , negative --fail
922 static int hns_mac_get_mode(phy_interface_t phy_if)
925 case PHY_INTERFACE_MODE_SGMII:
927 case PHY_INTERFACE_MODE_XGMII:
928 return MAC_XGMAC_IDX;
934 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
935 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
937 u8 __iomem *base = dsaf_dev->io_base;
938 int mac_id = mac_cb->mac_id;
940 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
941 return base + 0x40000 + mac_id * 0x4000 -
942 mac_mode_idx * 0x20000;
944 return dsaf_dev->ppe_base + 0x1000;
948 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
949 * @dsaf_dev: dsa fabric device struct pointer
950 * @mac_cb: mac control block
951 * return 0 - success , negative --fail
953 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
958 mac_cb->dsaf_dev = dsaf_dev;
959 mac_cb->dev = dsaf_dev->dev;
961 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
962 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
964 mac_cb->sfp_prsnt = 0;
965 mac_cb->txpkt_for_led = 0;
966 mac_cb->rxpkt_for_led = 0;
968 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
969 mac_cb->mac_type = HNAE_PORT_SERVICE;
971 mac_cb->mac_type = HNAE_PORT_DEBUG;
973 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
975 ret = hns_mac_get_mode(mac_cb->phy_if);
977 dev_err(dsaf_dev->dev,
978 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
979 mac_cb->mac_id, ret);
982 mac_mode_idx = (u32)ret;
984 ret = hns_mac_get_info(mac_cb);
988 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
989 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
994 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
996 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
999 return DSAF_MAX_PORT_NUM;
1003 * hns_mac_init - init mac
1004 * @dsaf_dev: dsa fabric device struct pointer
1005 * return 0 - success , negative --fail
1007 int hns_mac_init(struct dsaf_device *dsaf_dev)
1012 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1013 struct hns_mac_cb *mac_cb;
1014 struct fwnode_handle *child;
1016 device_for_each_child_node(dsaf_dev->dev, child) {
1017 ret = fwnode_property_read_u32(child, "reg", &port_id);
1019 dev_err(dsaf_dev->dev,
1020 "get reg fail, ret=%d!\n", ret);
1023 if (port_id >= max_port_num) {
1024 dev_err(dsaf_dev->dev,
1025 "reg(%u) out of range!\n", port_id);
1028 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1032 mac_cb->fw_port = child;
1033 mac_cb->mac_id = (u8)port_id;
1034 dsaf_dev->mac_cb[port_id] = mac_cb;
1038 /* if don't get any port subnode from dsaf node
1039 * will init all port then, this is compatible with the old dts
1042 for (port_id = 0; port_id < max_port_num; port_id++) {
1043 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1048 mac_cb->mac_id = port_id;
1049 dsaf_dev->mac_cb[port_id] = mac_cb;
1053 /* init mac_cb for all port */
1054 for (port_id = 0; port_id < max_port_num; port_id++) {
1055 mac_cb = dsaf_dev->mac_cb[port_id];
1059 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1063 ret = hns_mac_init_ex(mac_cb);
1071 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1074 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1076 for (i = 0; i < max_port_num; i++) {
1077 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1078 dsaf_dev->mac_cb[i] = NULL;
1082 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1083 enum hnae_loop loop, int en)
1086 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1088 if (drv->config_loopback)
1089 ret = drv->config_loopback(drv, loop, en);
1096 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1098 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1100 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1103 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1105 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1107 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1110 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1111 int stringset, u8 *data)
1113 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1115 mac_ctrl_drv->get_strings(stringset, data);
1118 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1120 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1122 return mac_ctrl_drv->get_sset_count(stringset);
1125 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1127 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1129 hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1131 if (mac_ctrl_drv->set_promiscuous)
1132 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1135 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1137 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1139 return mac_ctrl_drv->get_regs_count();
1142 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1144 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1146 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1149 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1154 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1155 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1156 if (txpkts || rxpkts)
1160 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1161 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1162 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1163 mac_cb->speed, nic_data);
1166 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1167 enum hnae_led_state status)
1172 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);