2 * ar8216.c: AR8216 switch driver
4 * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 #include <linux/module.h>
19 #include <linux/init.h>
20 #include <linux/list.h>
21 #include <linux/if_ether.h>
22 #include <linux/skbuff.h>
23 #include <linux/netdevice.h>
24 #include <linux/netlink.h>
25 #include <linux/bitops.h>
26 #include <net/genetlink.h>
27 #include <linux/switch.h>
28 #include <linux/delay.h>
29 #include <linux/phy.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
34 /* size of the vlan table */
35 #define AR8X16_MAX_VLANS 128
36 #define AR8X16_PROBE_RETRIES 10
39 struct switch_dev dev;
40 struct phy_device *phy;
41 u32 (*read)(struct ar8216_priv *priv, int reg);
42 void (*write)(struct ar8216_priv *priv, int reg, u32 val);
43 const struct net_device_ops *ndo_old;
44 struct net_device_ops ndo;
45 struct mutex reg_mutex;
51 /* all fields below are cleared on reset */
53 u16 vlan_id[AR8X16_MAX_VLANS];
54 u8 vlan_table[AR8X16_MAX_VLANS];
56 u16 pvid[AR8216_NUM_PORTS];
59 #define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
62 split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page)
71 *page = regaddr & 0x1ff;
75 ar8216_mii_read(struct ar8216_priv *priv, int reg)
77 struct phy_device *phy = priv->phy;
81 split_addr((u32) reg, &r1, &r2, &page);
82 mdiobus_write(phy->bus, 0x18, 0, page);
83 msleep(1); /* wait for the page switch to propagate */
84 lo = mdiobus_read(phy->bus, 0x10 | r2, r1);
85 hi = mdiobus_read(phy->bus, 0x10 | r2, r1 + 1);
87 return (hi << 16) | lo;
91 ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
93 struct phy_device *phy = priv->phy;
97 split_addr((u32) reg, &r1, &r2, &r3);
98 mdiobus_write(phy->bus, 0x18, 0, r3);
99 msleep(1); /* wait for the page switch to propagate */
102 hi = (u16) (val >> 16);
103 mdiobus_write(phy->bus, 0x10 | r2, r1 + 1, hi);
104 mdiobus_write(phy->bus, 0x10 | r2, r1, lo);
108 ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
112 v = priv->read(priv, reg);
115 priv->write(priv, reg, v);
121 ar8216_id_chip(struct ar8216_priv *priv)
127 val = ar8216_mii_read(priv, AR8216_REG_CTRL);
131 id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
132 for (i = 0; i < AR8X16_PROBE_RETRIES; i++) {
135 val = ar8216_mii_read(priv, AR8216_REG_CTRL);
139 t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
154 "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n",
155 (int)(id >> AR8216_CTRL_VERSION_S),
156 (int)(id & AR8216_CTRL_REVISION),
157 mdiobus_read(priv->phy->bus, priv->phy->addr, 2),
158 mdiobus_read(priv->phy->bus, priv->phy->addr, 3));
165 ar8216_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
166 struct switch_val *val)
168 struct ar8216_priv *priv = to_ar8216(dev);
169 priv->vlan = !!val->value.i;
174 ar8216_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
175 struct switch_val *val)
177 struct ar8216_priv *priv = to_ar8216(dev);
178 val->value.i = priv->vlan;
184 ar8216_set_pvid(struct switch_dev *dev, int port, int vlan)
186 struct ar8216_priv *priv = to_ar8216(dev);
188 /* make sure no invalid PVIDs get set */
190 if (vlan >= dev->vlans)
193 priv->pvid[port] = vlan;
198 ar8216_get_pvid(struct switch_dev *dev, int port, int *vlan)
200 struct ar8216_priv *priv = to_ar8216(dev);
201 *vlan = priv->pvid[port];
206 ar8216_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
207 struct switch_val *val)
209 struct ar8216_priv *priv = to_ar8216(dev);
210 priv->vlan_id[val->port_vlan] = val->value.i;
215 ar8216_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
216 struct switch_val *val)
218 struct ar8216_priv *priv = to_ar8216(dev);
219 val->value.i = priv->vlan_id[val->port_vlan];
223 static const char *ar8216_speed_str(unsigned speed)
226 case AR8216_PORT_SPEED_10M:
228 case AR8216_PORT_SPEED_100M:
230 case AR8216_PORT_SPEED_1000M:
237 static int ar8216_port_get_link(struct switch_dev *dev,
238 const struct switch_attr *attr,
239 struct switch_val *val)
241 struct ar8216_priv *priv = to_ar8216(dev);
246 port = val->port_vlan;
248 memset(priv->buf, '\0', sizeof(priv->buf));
249 status = priv->read(priv, AR8216_REG_PORT_STATUS(port));
251 if (status & AR8216_PORT_STATUS_LINK_UP) {
252 len = snprintf(priv->buf, sizeof(priv->buf),
253 "port:%d link:up speed:%s %s-duplex %s%s%s",
255 ar8216_speed_str((status &
256 AR8216_PORT_STATUS_SPEED) >>
257 AR8216_PORT_STATUS_SPEED_S),
258 (status & AR8216_PORT_STATUS_DUPLEX) ?
260 (status & AR8216_PORT_STATUS_TXFLOW) ?
262 (status & AR8216_PORT_STATUS_RXFLOW) ?
264 (status & AR8216_PORT_STATUS_LINK_AUTO) ?
267 len = snprintf(priv->buf, sizeof(priv->buf), "port:%d link:down",
271 val->value.s = priv->buf;
278 ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
280 struct ar8216_priv *priv = dev->phy_ptr;
289 if (unlikely(skb_headroom(skb) < 2)) {
290 if (pskb_expand_head(skb, 2, 0, GFP_ATOMIC) < 0)
294 buf = skb_push(skb, 2);
299 return priv->ndo_old->ndo_start_xmit(skb, dev);
302 dev_kfree_skb_any(skb);
307 ar8216_mangle_rx(struct sk_buff *skb, int napi)
309 struct ar8216_priv *priv;
310 struct net_device *dev;
322 /* don't strip the header if vlan mode is disabled */
326 /* strip header, get vlan id */
330 /* check for vlan header presence */
331 if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00))
336 /* no need to fix up packets coming from a tagged source */
337 if (priv->vlan_tagged & (1 << port))
340 /* lookup port vid from local table, the switch passes an invalid vlan id */
341 vlan = priv->vlan_id[priv->pvid[port]];
344 buf[14 + 2] |= vlan >> 8;
345 buf[15 + 2] = vlan & 0xff;
348 skb->protocol = eth_type_trans(skb, skb->dev);
351 return netif_receive_skb(skb);
353 return netif_rx(skb);
356 /* no vlan? eat the packet! */
357 dev_kfree_skb_any(skb);
362 ar8216_netif_rx(struct sk_buff *skb)
364 return ar8216_mangle_rx(skb, 0);
368 ar8216_netif_receive_skb(struct sk_buff *skb)
370 return ar8216_mangle_rx(skb, 1);
374 static struct switch_attr ar8216_globals[] = {
376 .type = SWITCH_TYPE_INT,
377 .name = "enable_vlan",
378 .description = "Enable VLAN mode",
379 .set = ar8216_set_vlan,
380 .get = ar8216_get_vlan,
385 static struct switch_attr ar8216_port[] = {
387 .type = SWITCH_TYPE_STRING,
389 .description = "Get port link information",
392 .get = ar8216_port_get_link,
396 static struct switch_attr ar8216_vlan[] = {
398 .type = SWITCH_TYPE_INT,
400 .description = "VLAN ID (0-4094)",
401 .set = ar8216_set_vid,
402 .get = ar8216_get_vid,
409 ar8216_get_ports(struct switch_dev *dev, struct switch_val *val)
411 struct ar8216_priv *priv = to_ar8216(dev);
412 u8 ports = priv->vlan_table[val->port_vlan];
416 for (i = 0; i < AR8216_NUM_PORTS; i++) {
417 struct switch_port *p;
419 if (!(ports & (1 << i)))
422 p = &val->value.ports[val->len++];
424 if (priv->vlan_tagged & (1 << i))
425 p->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
433 ar8216_set_ports(struct switch_dev *dev, struct switch_val *val)
435 struct ar8216_priv *priv = to_ar8216(dev);
436 u8 *vt = &priv->vlan_table[val->port_vlan];
440 for (i = 0; i < val->len; i++) {
441 struct switch_port *p = &val->value.ports[i];
443 if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED))
444 priv->vlan_tagged |= (1 << p->id);
446 priv->vlan_tagged &= ~(1 << p->id);
447 priv->pvid[p->id] = val->port_vlan;
449 /* make sure that an untagged port does not
450 * appear in other vlans */
451 for (j = 0; j < AR8X16_MAX_VLANS; j++) {
452 if (j == val->port_vlan)
454 priv->vlan_table[j] &= ~(1 << p->id);
464 ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
468 while ((priv->read(priv, reg) & mask) != val) {
469 if (timeout-- <= 0) {
470 printk(KERN_ERR "ar8216: timeout waiting for operation to complete\n");
478 ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val)
480 if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0))
482 if ((op & AR8216_VTU_OP) == AR8216_VTU_OP_LOAD) {
483 val &= AR8216_VTUDATA_MEMBER;
484 val |= AR8216_VTUDATA_VALID;
485 priv->write(priv, AR8216_REG_VTU_DATA, val);
487 op |= AR8216_VTU_ACTIVE;
488 priv->write(priv, AR8216_REG_VTU, op);
492 ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress,
493 u32 members, u32 pvid)
497 if (priv->vlan && port == AR8216_PORT_CPU && priv->chip == AR8216)
498 header = AR8216_PORT_CTRL_HEADER;
502 ar8216_rmw(priv, AR8216_REG_PORT_CTRL(port),
503 AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
504 AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
505 AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK,
506 AR8216_PORT_CTRL_LEARN | header |
507 (egress << AR8216_PORT_CTRL_VLAN_MODE_S) |
508 (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
510 ar8216_rmw(priv, AR8216_REG_PORT_VLAN(port),
511 AR8216_PORT_VLAN_DEST_PORTS | AR8216_PORT_VLAN_MODE |
512 AR8216_PORT_VLAN_DEFAULT_ID,
513 (members << AR8216_PORT_VLAN_DEST_PORTS_S) |
514 (ingress << AR8216_PORT_VLAN_MODE_S) |
515 (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
519 ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress,
520 u32 members, u32 pvid)
522 ar8216_rmw(priv, AR8216_REG_PORT_CTRL(port),
523 AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
524 AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
525 AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK,
526 AR8216_PORT_CTRL_LEARN |
527 (egress << AR8216_PORT_CTRL_VLAN_MODE_S) |
528 (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
530 ar8216_rmw(priv, AR8236_REG_PORT_VLAN(port),
531 AR8236_PORT_VLAN_DEFAULT_ID,
532 (pvid << AR8236_PORT_VLAN_DEFAULT_ID_S));
534 ar8216_rmw(priv, AR8236_REG_PORT_VLAN2(port),
535 AR8236_PORT_VLAN2_VLAN_MODE |
536 AR8236_PORT_VLAN2_MEMBER,
537 (ingress << AR8236_PORT_VLAN2_VLAN_MODE_S) |
538 (members << AR8236_PORT_VLAN2_MEMBER_S));
542 ar8216_hw_apply(struct switch_dev *dev)
544 struct ar8216_priv *priv = to_ar8216(dev);
545 u8 portmask[AR8216_NUM_PORTS];
548 mutex_lock(&priv->reg_mutex);
549 /* flush all vlan translation unit entries */
550 ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
552 memset(portmask, 0, sizeof(portmask));
554 /* calculate the port destination masks and load vlans
555 * into the vlan translation unit */
556 for (j = 0; j < AR8X16_MAX_VLANS; j++) {
557 u8 vp = priv->vlan_table[j];
562 for (i = 0; i < AR8216_NUM_PORTS; i++) {
565 portmask[i] |= vp & ~mask;
570 (priv->vlan_id[j] << AR8216_VTU_VID_S),
571 priv->vlan_table[j]);
575 * isolate all ports, but connect them to the cpu port */
576 for (i = 0; i < AR8216_NUM_PORTS; i++) {
577 if (i == AR8216_PORT_CPU)
580 portmask[i] = 1 << AR8216_PORT_CPU;
581 portmask[AR8216_PORT_CPU] |= (1 << i);
585 /* update the port destination mask registers and tag settings */
586 for (i = 0; i < AR8216_NUM_PORTS; i++) {
591 pvid = priv->vlan_id[priv->pvid[i]];
597 if (priv->vlan_tagged & (1 << i))
598 egress = AR8216_OUT_ADD_VLAN;
600 egress = AR8216_OUT_STRIP_VLAN;
602 egress = AR8216_OUT_KEEP;
605 ingress = AR8216_IN_SECURE;
607 ingress = AR8216_IN_PORT_ONLY;
610 if (priv->chip == AR8236)
611 ar8236_setup_port(priv, i, egress, ingress, portmask[i],
614 ar8216_setup_port(priv, i, egress, ingress, portmask[i],
617 mutex_unlock(&priv->reg_mutex);
622 ar8236_hw_init(struct ar8216_priv *priv) {
623 static int initialized;
630 /* Initialize the PHYs */
631 bus = priv->phy->bus;
632 for (i = 0; i < 5; i++) {
633 bus->write(bus, i, MII_ADVERTISE,
634 ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
635 ADVERTISE_PAUSE_ASYM);
636 bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
645 ar8316_hw_init(struct ar8216_priv *priv) {
650 val = priv->read(priv, 0x8);
652 if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
653 if (priv->port4_phy) {
654 /* value taken from Ubiquiti RouterStation Pro */
656 printk(KERN_INFO "ar8316: Using port 4 as PHY\n");
659 printk(KERN_INFO "ar8316: Using port 4 as switch port\n");
661 } else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) {
662 /* value taken from AVM Fritz!Box 7390 sources */
665 /* no known value for phy interface */
666 printk(KERN_ERR "ar8316: unsupported mii mode: %d.\n",
667 priv->phy->interface);
674 priv->write(priv, 0x8, newval);
676 /* standard atheros magic */
677 priv->write(priv, 0x38, 0xc000050e);
679 /* Initialize the ports */
680 bus = priv->phy->bus;
681 for (i = 0; i < 5; i++) {
682 if ((i == 4) && priv->port4_phy &&
683 priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
684 /* work around for phy4 rgmii mode */
685 mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x12);
686 mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x480c);
688 mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x0);
689 mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x824e);
691 mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x5);
692 mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x3d47);
696 /* initialize the port itself */
697 mdiobus_write(bus, i, MII_ADVERTISE,
698 ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
699 mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL);
700 mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
705 priv->initialized = true;
710 ar8216_reset_switch(struct switch_dev *dev)
712 struct ar8216_priv *priv = to_ar8216(dev);
715 mutex_lock(&priv->reg_mutex);
716 memset(&priv->vlan, 0, sizeof(struct ar8216_priv) -
717 offsetof(struct ar8216_priv, vlan));
718 for (i = 0; i < AR8X16_MAX_VLANS; i++) {
719 priv->vlan_id[i] = i;
721 for (i = 0; i < AR8216_NUM_PORTS; i++) {
722 /* Enable port learning and tx */
723 priv->write(priv, AR8216_REG_PORT_CTRL(i),
724 AR8216_PORT_CTRL_LEARN |
725 (4 << AR8216_PORT_CTRL_STATE_S));
727 priv->write(priv, AR8216_REG_PORT_VLAN(i), 0);
729 /* Configure all PHYs */
730 if (i == AR8216_PORT_CPU) {
731 priv->write(priv, AR8216_REG_PORT_STATUS(i),
732 AR8216_PORT_STATUS_LINK_UP |
733 ((priv->chip == AR8316) ?
734 AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) |
735 AR8216_PORT_STATUS_TXMAC |
736 AR8216_PORT_STATUS_RXMAC |
737 ((priv->chip == AR8316) ? AR8216_PORT_STATUS_RXFLOW : 0) |
738 ((priv->chip == AR8316) ? AR8216_PORT_STATUS_TXFLOW : 0) |
739 AR8216_PORT_STATUS_DUPLEX);
741 priv->write(priv, AR8216_REG_PORT_STATUS(i),
742 AR8216_PORT_STATUS_LINK_AUTO);
745 /* XXX: undocumented magic from atheros, required! */
746 priv->write(priv, 0x38, 0xc000050e);
748 if (priv->chip == AR8216) {
749 ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
750 AR8216_GCTRL_MTU, 1518 + 8 + 2);
751 } else if (priv->chip == AR8316 ||
752 priv->chip == AR8236) {
753 /* enable jumbo frames */
754 ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
755 AR8316_GCTRL_MTU, 9018 + 8 + 2);
758 if (priv->chip == AR8316) {
759 /* enable cpu port to receive multicast and broadcast frames */
760 priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f);
762 mutex_unlock(&priv->reg_mutex);
763 return ar8216_hw_apply(dev);
767 static const struct switch_dev_ops ar8216_ops = {
769 .attr = ar8216_globals,
770 .n_attr = ARRAY_SIZE(ar8216_globals),
774 .n_attr = ARRAY_SIZE(ar8216_port),
778 .n_attr = ARRAY_SIZE(ar8216_vlan),
780 .get_port_pvid = ar8216_get_pvid,
781 .set_port_pvid = ar8216_set_pvid,
782 .get_vlan_ports = ar8216_get_ports,
783 .set_vlan_ports = ar8216_set_ports,
784 .apply_config = ar8216_hw_apply,
785 .reset_switch = ar8216_reset_switch,
789 ar8216_config_init(struct phy_device *pdev)
791 struct ar8216_priv *priv = pdev->priv;
792 struct net_device *dev = pdev->attached_dev;
793 struct switch_dev *swdev;
797 priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL);
804 priv->chip = ar8216_id_chip(priv);
806 if (pdev->addr != 0) {
807 if (priv->chip == AR8316) {
808 pdev->supported |= SUPPORTED_1000baseT_Full;
809 pdev->advertising |= ADVERTISED_1000baseT_Full;
811 /* check if we're attaching to the switch twice */
812 pdev = pdev->bus->phy_map[0];
818 /* switch device has not been initialized, reuse priv */
820 priv->port4_phy = true;
827 /* switch device has been initialized, reinit */
829 priv->dev.ports = (AR8216_NUM_PORTS - 1);
830 priv->initialized = false;
831 priv->port4_phy = true;
832 ar8316_hw_init(priv);
840 printk(KERN_INFO "%s: AR%d switch driver attached.\n",
841 pdev->attached_dev->name, priv->chip);
843 pdev->supported = priv->chip == AR8316 ?
844 SUPPORTED_1000baseT_Full : SUPPORTED_100baseT_Full;
845 pdev->advertising = pdev->supported;
847 mutex_init(&priv->reg_mutex);
848 priv->read = ar8216_mii_read;
849 priv->write = ar8216_mii_write;
854 swdev->cpu_port = AR8216_PORT_CPU;
855 swdev->ops = &ar8216_ops;
856 swdev->ports = AR8216_NUM_PORTS;
858 if (priv->chip == AR8316) {
859 swdev->name = "Atheros AR8316";
860 swdev->vlans = AR8X16_MAX_VLANS;
862 if (priv->port4_phy) {
863 /* port 5 connected to the other mac, therefore unusable */
864 swdev->ports = (AR8216_NUM_PORTS - 1);
866 } else if (priv->chip == AR8236) {
867 swdev->name = "Atheros AR8236";
868 swdev->vlans = AR8216_NUM_VLANS;
869 swdev->ports = AR8216_NUM_PORTS;
871 swdev->name = "Atheros AR8216";
872 swdev->vlans = AR8216_NUM_VLANS;
875 if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) {
880 if (priv->chip == AR8316) {
881 ret = ar8316_hw_init(priv);
888 if (priv->chip == AR8236) {
889 ret = ar8236_hw_init(priv);
896 ret = ar8216_reset_switch(&priv->dev);
904 /* VID fixup only needed on ar8216 */
905 if (pdev->addr == 0 && priv->chip == AR8216) {
907 pdev->netif_receive_skb = ar8216_netif_receive_skb;
908 pdev->netif_rx = ar8216_netif_rx;
909 priv->ndo_old = dev->netdev_ops;
910 memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops));
911 priv->ndo.ndo_start_xmit = ar8216_mangle_tx;
912 dev->netdev_ops = &priv->ndo;
920 ar8216_read_status(struct phy_device *phydev)
922 struct ar8216_priv *priv = phydev->priv;
924 if (phydev->addr != 0) {
925 return genphy_read_status(phydev);
928 phydev->speed = priv->chip == AR8316 ? SPEED_1000 : SPEED_100;
929 phydev->duplex = DUPLEX_FULL;
932 /* flush the address translation unit */
933 mutex_lock(&priv->reg_mutex);
934 ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0);
937 priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH);
940 mutex_unlock(&priv->reg_mutex);
942 phydev->state = PHY_RUNNING;
943 netif_carrier_on(phydev->attached_dev);
944 phydev->adjust_link(phydev->attached_dev);
950 ar8216_config_aneg(struct phy_device *phydev)
952 if (phydev->addr == 0)
955 return genphy_config_aneg(phydev);
959 ar8216_probe(struct phy_device *pdev)
961 struct ar8216_priv priv;
965 chip = ar8216_id_chip(&priv);
973 ar8216_remove(struct phy_device *pdev)
975 struct ar8216_priv *priv = pdev->priv;
976 struct net_device *dev = pdev->attached_dev;
981 if (priv->ndo_old && dev)
982 dev->netdev_ops = priv->ndo_old;
984 unregister_switch(&priv->dev);
988 static struct phy_driver ar8216_driver = {
989 .phy_id = 0x004d0000,
990 .name = "Atheros AR8216/AR8316/AR8326",
991 .phy_id_mask = 0xffff0000,
992 .features = PHY_BASIC_FEATURES,
993 .probe = ar8216_probe,
994 .remove = ar8216_remove,
995 .config_init = &ar8216_config_init,
996 .config_aneg = &ar8216_config_aneg,
997 .read_status = &ar8216_read_status,
998 .driver = { .owner = THIS_MODULE },
1004 return phy_driver_register(&ar8216_driver);
1010 phy_driver_unregister(&ar8216_driver);
1013 module_init(ar8216_init);
1014 module_exit(ar8216_exit);
1015 MODULE_LICENSE("GPL");