2 * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
16 #include <linux/etherdevice.h>
17 #include <asm/byteorder.h>
19 #include <linux/ipv6.h>
20 #include <linux/udp.h>
23 #include "gdm_wimax.h"
26 #include "netlink_k.h"
28 #define gdm_wimax_send(n, d, l) \
29 (n->phy_dev->send_func)(n->phy_dev->priv_dev, d, l, NULL, NULL)
30 #define gdm_wimax_send_with_cb(n, d, l, c, b) \
31 (n->phy_dev->send_func)(n->phy_dev->priv_dev, d, l, c, b)
32 #define gdm_wimax_rcv_with_cb(n, c, b) \
33 (n->phy_dev->rcv_func)(n->phy_dev->priv_dev, c, b)
35 #define EVT_MAX_SIZE 2048
38 struct list_head list;
39 struct net_device *dev;
40 char evt_data[EVT_MAX_SIZE];
44 static void __gdm_wimax_event_send(struct work_struct *work);
45 static inline struct evt_entry *alloc_event_entry(void);
46 static inline void free_event_entry(struct evt_entry *e);
47 static struct evt_entry *get_event_entry(void);
48 static void put_event_entry(struct evt_entry *e);
53 struct list_head evtq;
56 struct list_head freeq;
57 struct work_struct ws;
60 static u8 gdm_wimax_macaddr[6] = {0x00, 0x0a, 0x3b, 0xf0, 0x01, 0x30};
62 static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm);
63 static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up);
65 #if defined(DEBUG_SDU)
66 static void printk_hex(u8 *buf, u32 size)
70 for (i = 0; i < size; i++) {
72 printk(KERN_DEBUG "\n%02x ", *buf++);
74 printk(KERN_DEBUG "%02x ", *buf++);
77 printk(KERN_DEBUG "\n");
80 static const char *get_protocol_name(u16 protocol)
83 const char *name = "-";
97 sprintf(buf, "0x%04x(%s)", protocol, name);
101 static const char *get_ip_protocol_name(u8 ip_protocol)
104 const char *name = "-";
106 switch (ip_protocol) {
118 sprintf(buf, "%u(%s)", ip_protocol, name);
122 static const char *get_port_name(u16 port)
125 const char *name = "-";
129 name = "DHCP-Server";
132 name = "DHCP-Client";
139 sprintf(buf, "%u(%s)", port, name);
143 static void dump_eth_packet(const char *title, u8 *data, int len)
145 struct iphdr *ih = NULL;
146 struct udphdr *uh = NULL;
151 protocol = (data[12]<<8) | data[13];
152 ih = (struct iphdr *) (data+ETH_HLEN);
154 if (protocol == ETH_P_IP) {
155 uh = (struct udphdr *) ((char *)ih + sizeof(struct iphdr));
156 ip_protocol = ih->protocol;
157 port = ntohs(uh->dest);
158 } else if (protocol == ETH_P_IPV6) {
159 struct ipv6hdr *i6h = (struct ipv6hdr *) data;
160 uh = (struct udphdr *) ((char *)i6h + sizeof(struct ipv6hdr));
161 ip_protocol = i6h->nexthdr;
162 port = ntohs(uh->dest);
165 printk(KERN_DEBUG "[%s] len=%d, %s, %s, %s\n",
167 get_protocol_name(protocol),
168 get_ip_protocol_name(ip_protocol),
169 get_port_name(port));
171 if (!(data[0] == 0xff && data[1] == 0xff)) {
172 if (protocol == ETH_P_IP) {
173 printk(KERN_DEBUG " src=%pI4\n", &ih->saddr);
174 } else if (protocol == ETH_P_IPV6) {
175 printk(KERN_DEBUG " src=%pI6\n", &ih->saddr);
179 #if (DUMP_PACKET & DUMP_SDU_ALL)
180 printk_hex(data, len);
182 #if (DUMP_PACKET & DUMP_SDU_ARP)
183 if (protocol == ETH_P_ARP)
184 printk_hex(data, len);
186 #if (DUMP_PACKET & DUMP_SDU_IP)
187 if (protocol == ETH_P_IP || protocol == ETH_P_IPV6)
188 printk_hex(data, len);
190 #if (DUMP_PACKET & DUMP_SDU_IP_TCP)
191 if (ip_protocol == IPPROTO_TCP)
192 printk_hex(data, len);
194 #if (DUMP_PACKET & DUMP_SDU_IP_UDP)
195 if (ip_protocol == IPPROTO_UDP)
196 printk_hex(data, len);
198 #if (DUMP_PACKET & DUMP_SDU_IP_ICMP)
199 if (ip_protocol == IPPROTO_ICMP)
200 printk_hex(data, len);
208 static inline int gdm_wimax_header(struct sk_buff **pskb)
210 u16 buf[HCI_HEADER_SIZE / sizeof(u16)];
211 struct sk_buff *skb = *pskb;
214 if (unlikely(skb_headroom(skb) < HCI_HEADER_SIZE)) {
215 struct sk_buff *skb2;
217 skb2 = skb_realloc_headroom(skb, HCI_HEADER_SIZE);
221 skb_set_owner_w(skb2, skb->sk);
226 skb_push(skb, HCI_HEADER_SIZE);
227 buf[0] = H2B(WIMAX_TX_SDU);
228 buf[1] = H2B(skb->len - HCI_HEADER_SIZE);
229 memcpy(skb->data, buf, HCI_HEADER_SIZE);
235 static void gdm_wimax_event_rcv(struct net_device *dev, u16 type, void *msg,
238 struct nic *nic = netdev_priv(dev);
240 #if defined(DEBUG_HCI)
241 u8 *buf = (u8 *) msg;
242 u16 hci_cmd = (buf[0]<<8) | buf[1];
243 u16 hci_len = (buf[2]<<8) | buf[3];
244 printk(KERN_DEBUG "H=>D: 0x%04x(%d)\n", hci_cmd, hci_len);
247 gdm_wimax_send(nic, msg, len);
250 static int gdm_wimax_event_init(void)
252 if (!wm_event.ref_cnt) {
253 wm_event.sock = netlink_init(NETLINK_WIMAX,
254 gdm_wimax_event_rcv);
256 INIT_LIST_HEAD(&wm_event.evtq);
257 INIT_LIST_HEAD(&wm_event.freeq);
258 INIT_WORK(&wm_event.ws, __gdm_wimax_event_send);
259 spin_lock_init(&wm_event.evt_lock);
268 pr_err("Creating WiMax Event netlink is failed\n");
272 static void gdm_wimax_event_exit(void)
274 if (wm_event.sock && --wm_event.ref_cnt == 0) {
275 struct evt_entry *e, *temp;
278 spin_lock_irqsave(&wm_event.evt_lock, flags);
280 list_for_each_entry_safe(e, temp, &wm_event.evtq, list) {
284 list_for_each_entry_safe(e, temp, &wm_event.freeq, list) {
289 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
290 netlink_exit(wm_event.sock);
291 wm_event.sock = NULL;
295 static inline struct evt_entry *alloc_event_entry(void)
297 return kmalloc(sizeof(struct evt_entry), GFP_ATOMIC);
300 static inline void free_event_entry(struct evt_entry *e)
305 static struct evt_entry *get_event_entry(void)
309 if (list_empty(&wm_event.freeq))
310 e = alloc_event_entry();
312 e = list_entry(wm_event.freeq.next, struct evt_entry, list);
319 static void put_event_entry(struct evt_entry *e)
323 list_add_tail(&e->list, &wm_event.freeq);
326 static void __gdm_wimax_event_send(struct work_struct *work)
332 spin_lock_irqsave(&wm_event.evt_lock, flags);
334 while (!list_empty(&wm_event.evtq)) {
335 e = list_entry(wm_event.evtq.next, struct evt_entry, list);
336 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
338 sscanf(e->dev->name, "wm%d", &idx);
339 netlink_send(wm_event.sock, idx, 0, e->evt_data, e->size);
341 spin_lock_irqsave(&wm_event.evt_lock, flags);
346 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
349 static int gdm_wimax_event_send(struct net_device *dev, char *buf, int size)
354 #if defined(DEBUG_HCI)
355 u16 hci_cmd = ((u8)buf[0]<<8) | (u8)buf[1];
356 u16 hci_len = ((u8)buf[2]<<8) | (u8)buf[3];
357 printk(KERN_DEBUG "D=>H: 0x%04x(%d)\n", hci_cmd, hci_len);
360 spin_lock_irqsave(&wm_event.evt_lock, flags);
362 e = get_event_entry();
364 netdev_err(dev, "%s: No memory for event\n", __func__);
365 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
371 memcpy(e->evt_data, buf, size);
373 list_add_tail(&e->list, &wm_event.evtq);
374 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
376 schedule_work(&wm_event.ws);
381 static void tx_complete(void *arg)
383 struct nic *nic = arg;
385 if (netif_queue_stopped(nic->netdev))
386 netif_wake_queue(nic->netdev);
389 int gdm_wimax_send_tx(struct sk_buff *skb, struct net_device *dev)
392 struct nic *nic = netdev_priv(dev);
394 ret = gdm_wimax_send_with_cb(nic, skb->data, skb->len, tx_complete,
396 if (ret == -ENOSPC) {
397 netif_stop_queue(dev);
402 skb_pull(skb, HCI_HEADER_SIZE);
406 nic->stats.tx_packets++;
407 nic->stats.tx_bytes += skb->len - HCI_HEADER_SIZE;
412 static int gdm_wimax_tx(struct sk_buff *skb, struct net_device *dev)
415 struct nic *nic = netdev_priv(dev);
416 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
418 #if defined(DEBUG_SDU)
419 dump_eth_packet("TX", skb->data, skb->len);
422 ret = gdm_wimax_header(&skb);
424 skb_pull(skb, HCI_HEADER_SIZE);
428 #if !defined(LOOPBACK_TEST)
430 netdev_err(dev, "ASSERTION ERROR: fsm is NULL!!\n");
431 else if (fsm->m_status != M_CONNECTED) {
432 netdev_emerg(dev, "ASSERTION ERROR: Device is NOT ready. status=%d\n",
439 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
440 ret = gdm_qos_send_hci_pkt(skb, dev);
442 ret = gdm_wimax_send_tx(skb, dev);
447 static int gdm_wimax_set_config(struct net_device *dev, struct ifmap *map)
449 if (dev->flags & IFF_UP)
455 static void __gdm_wimax_set_mac_addr(struct net_device *dev, char *mac_addr)
457 u16 hci_pkt_buf[32 / sizeof(u16)];
458 u8 *pkt = (u8 *) &hci_pkt_buf[0];
459 struct nic *nic = netdev_priv(dev);
461 /* Since dev is registered as a ethernet device,
462 * ether_setup has made dev->addr_len to be ETH_ALEN
464 memcpy(dev->dev_addr, mac_addr, dev->addr_len);
466 /* Let lower layer know of this change by sending
467 * SetInformation(MAC Address)
469 hci_pkt_buf[0] = H2B(WIMAX_SET_INFO); /* cmd_evt */
470 hci_pkt_buf[1] = H2B(8); /* size */
473 memcpy(pkt + 6, mac_addr, dev->addr_len); /* V */
475 gdm_wimax_send(nic, pkt, HCI_HEADER_SIZE + 8);
478 /* A driver function */
479 static int gdm_wimax_set_mac_addr(struct net_device *dev, void *p)
481 struct sockaddr *addr = p;
483 if (netif_running(dev))
486 if (!is_valid_ether_addr(addr->sa_data))
487 return -EADDRNOTAVAIL;
489 __gdm_wimax_set_mac_addr(dev, addr->sa_data);
494 static struct net_device_stats *gdm_wimax_stats(struct net_device *dev)
496 struct nic *nic = netdev_priv(dev);
501 static int gdm_wimax_open(struct net_device *dev)
503 struct nic *nic = netdev_priv(dev);
504 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
506 netif_start_queue(dev);
508 if (fsm && fsm->m_status != M_INIT)
509 gdm_wimax_ind_if_updown(dev, 1);
513 static int gdm_wimax_close(struct net_device *dev)
515 struct nic *nic = netdev_priv(dev);
516 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
518 netif_stop_queue(dev);
520 if (fsm && fsm->m_status != M_INIT)
521 gdm_wimax_ind_if_updown(dev, 0);
525 static void kdelete(void **buf)
533 static int gdm_wimax_ioctl_get_data(struct data_s *dst, struct data_s *src)
537 size = dst->size < src->size ? dst->size : src->size;
543 if (copy_to_user(dst->buf, src->buf, size))
549 static int gdm_wimax_ioctl_set_data(struct data_s *dst, struct data_s *src)
559 if (!(dst->buf && dst->size == src->size)) {
561 dst->buf = kmalloc(src->size, GFP_KERNEL);
562 if (dst->buf == NULL)
566 if (copy_from_user(dst->buf, src->buf, src->size)) {
570 dst->size = src->size;
574 static void gdm_wimax_cleanup_ioctl(struct net_device *dev)
576 struct nic *nic = netdev_priv(dev);
579 for (i = 0; i < SIOC_DATA_MAX; i++)
580 kdelete(&nic->sdk_data[i].buf);
583 static void gdm_update_fsm(struct net_device *dev, struct fsm_s *new_fsm)
585 struct nic *nic = netdev_priv(dev);
586 struct fsm_s *cur_fsm =
587 (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
592 if (cur_fsm->m_status != new_fsm->m_status ||
593 cur_fsm->c_status != new_fsm->c_status) {
594 if (new_fsm->m_status == M_CONNECTED)
595 netif_carrier_on(dev);
596 else if (cur_fsm->m_status == M_CONNECTED) {
597 netif_carrier_off(dev);
598 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
599 gdm_qos_release_list(nic);
602 gdm_wimax_ind_fsm_update(dev, new_fsm);
606 static int gdm_wimax_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
608 struct wm_req_s *req = (struct wm_req_s *) ifr;
609 struct nic *nic = netdev_priv(dev);
612 if (cmd != SIOCWMIOCTL)
618 if (req->data_id >= SIOC_DATA_MAX) {
619 netdev_err(dev, "%s error: data-index(%d) is invalid!!\n",
620 __func__, req->data_id);
623 if (req->cmd == SIOCG_DATA) {
624 ret = gdm_wimax_ioctl_get_data(&req->data,
625 &nic->sdk_data[req->data_id]);
628 } else if (req->cmd == SIOCS_DATA) {
629 if (req->data_id == SIOC_DATA_FSM) {
630 /*NOTE: gdm_update_fsm should be called
631 before gdm_wimax_ioctl_set_data is called*/
633 (struct fsm_s *) req->data.buf);
635 ret = gdm_wimax_ioctl_set_data(
636 &nic->sdk_data[req->data_id], &req->data);
642 netdev_err(dev, "%s: %x unknown ioctl\n", __func__, cmd);
649 static void gdm_wimax_prepare_device(struct net_device *dev)
651 struct nic *nic = netdev_priv(dev);
652 u16 buf[32 / sizeof(u16)];
653 struct hci_s *hci = (struct hci_s *) buf;
657 #define BIT_MULTI_CS 0
660 #define BIT_AGGREGATION 3
662 /* GetInformation mac address */
664 hci->cmd_evt = H2B(WIMAX_GET_INFO);
665 hci->data[len++] = TLV_T(T_MAC_ADDRESS);
666 hci->length = H2B(len);
667 gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
669 val = (1<<BIT_WIMAX) | (1<<BIT_MULTI_CS);
670 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
673 #if defined(CONFIG_WIMAX_GDM72XX_WIMAX2)
674 val |= (1<<BIT_AGGREGATION);
679 hci->cmd_evt = H2B(WIMAX_SET_INFO);
680 hci->data[len++] = TLV_T(T_CAPABILITY);
681 hci->data[len++] = TLV_L(T_CAPABILITY);
683 memcpy(&hci->data[len], &val, TLV_L(T_CAPABILITY));
684 len += TLV_L(T_CAPABILITY);
685 hci->length = H2B(len);
686 gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
688 netdev_info(dev, "GDM WiMax Set CAPABILITY: 0x%08X\n", DB2H(val));
691 static int gdm_wimax_hci_get_tlv(u8 *buf, u8 *T, u16 *L, u8 **V)
693 #define __U82U16(b) ((u16)((u8 *)(b))[0] | ((u16)((u8 *)(b))[1] << 8))
697 if (buf[1] == 0x82) {
698 *L = B2H(__U82U16(&buf[2]));
699 next_pos = 1/*type*/+3/*len*/;
702 next_pos = 1/*type*/+1/*len*/;
706 next_pos += *L/*length of val*/;
710 static int gdm_wimax_get_prepared_info(struct net_device *dev, char *buf,
715 u16 cmd_evt, cmd_len;
716 int pos = HCI_HEADER_SIZE;
718 cmd_evt = B2H(*(u16 *)&buf[0]);
719 cmd_len = B2H(*(u16 *)&buf[2]);
721 if (len < cmd_len + HCI_HEADER_SIZE) {
722 netdev_err(dev, "%s: invalid length [%d/%d]\n", __func__,
723 cmd_len + HCI_HEADER_SIZE, len);
727 if (cmd_evt == WIMAX_GET_INFO_RESULT) {
729 netdev_err(dev, "%s: len is too short [%x/%d]\n",
730 __func__, cmd_evt, len);
734 pos += gdm_wimax_hci_get_tlv(&buf[pos], &T, &L, &V);
735 if (T == TLV_T(T_MAC_ADDRESS)) {
736 if (L != dev->addr_len) {
738 "%s Invalid inofrmation result T/L [%x/%d]\n",
742 netdev_info(dev, "MAC change [%pM]->[%pM]\n",
744 memcpy(dev->dev_addr, V, dev->addr_len);
749 gdm_wimax_event_send(dev, buf, len);
753 static void gdm_wimax_netif_rx(struct net_device *dev, char *buf, int len)
755 struct nic *nic = netdev_priv(dev);
759 #if defined(DEBUG_SDU)
760 dump_eth_packet("RX", buf, len);
763 skb = dev_alloc_skb(len + 2);
765 netdev_err(dev, "%s: dev_alloc_skb failed!\n", __func__);
770 nic->stats.rx_packets++;
771 nic->stats.rx_bytes += len;
773 memcpy(skb_put(skb, len), buf, len);
776 skb->protocol = eth_type_trans(skb, dev); /* what will happen? */
778 ret = in_interrupt() ? netif_rx(skb) : netif_rx_ni(skb);
779 if (ret == NET_RX_DROP)
780 netdev_err(dev, "%s skb dropped\n", __func__);
783 static void gdm_wimax_transmit_aggr_pkt(struct net_device *dev, char *buf,
786 #define HCI_PADDING_BYTE 4
787 #define HCI_RESERVED_BYTE 4
792 hci = (struct hci_s *) buf;
794 if (B2H(hci->cmd_evt) != WIMAX_RX_SDU) {
795 netdev_err(dev, "Wrong cmd_evt(0x%04X)\n",
800 length = B2H(hci->length);
801 gdm_wimax_netif_rx(dev, hci->data, length);
804 /* Add padding size */
805 length += HCI_PADDING_BYTE - (length & 0x3);
808 length += HCI_HEADER_SIZE + HCI_RESERVED_BYTE;
814 static void gdm_wimax_transmit_pkt(struct net_device *dev, char *buf, int len)
816 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
817 struct nic *nic = netdev_priv(dev);
819 u16 cmd_evt, cmd_len;
821 /* This code is added for certain rx packet to be ignored. */
825 cmd_evt = B2H(*(u16 *)&buf[0]);
826 cmd_len = B2H(*(u16 *)&buf[2]);
828 if (len < cmd_len + HCI_HEADER_SIZE) {
830 netdev_err(dev, "%s: invalid length [%d/%d]\n",
831 __func__, cmd_len + HCI_HEADER_SIZE, len);
836 case WIMAX_RX_SDU_AGGR:
837 gdm_wimax_transmit_aggr_pkt(dev, &buf[HCI_HEADER_SIZE],
841 gdm_wimax_netif_rx(dev, &buf[HCI_HEADER_SIZE], cmd_len);
843 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
844 case WIMAX_EVT_MODEM_REPORT:
845 gdm_recv_qos_hci_packet(nic, buf, len);
848 case WIMAX_SDU_TX_FLOW:
850 if (!netif_queue_stopped(dev))
851 netif_stop_queue(dev);
852 } else if (buf[4] == 1) {
853 if (netif_queue_stopped(dev))
854 netif_wake_queue(dev);
858 gdm_wimax_event_send(dev, buf, len);
863 static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm)
865 u16 buf[32 / sizeof(u16)];
866 u8 *hci_pkt_buf = (u8 *)&buf[0];
868 /* Indicate updating fsm */
869 buf[0] = H2B(WIMAX_FSM_UPDATE);
870 buf[1] = H2B(sizeof(struct fsm_s));
871 memcpy(&hci_pkt_buf[HCI_HEADER_SIZE], fsm, sizeof(struct fsm_s));
873 gdm_wimax_event_send(dev, hci_pkt_buf,
874 HCI_HEADER_SIZE + sizeof(struct fsm_s));
877 static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up)
879 u16 buf[32 / sizeof(u16)];
880 struct hci_s *hci = (struct hci_s *) buf;
881 unsigned char up_down;
883 up_down = if_up ? WIMAX_IF_UP : WIMAX_IF_DOWN;
885 /* Indicate updating fsm */
886 hci->cmd_evt = H2B(WIMAX_IF_UPDOWN);
887 hci->length = H2B(sizeof(up_down));
888 hci->data[0] = up_down;
890 gdm_wimax_event_send(dev, (char *)hci, HCI_HEADER_SIZE+sizeof(up_down));
893 static void rx_complete(void *arg, void *data, int len)
895 struct nic *nic = arg;
897 gdm_wimax_transmit_pkt(nic->netdev, data, len);
898 gdm_wimax_rcv_with_cb(nic, rx_complete, nic);
901 static void prepare_rx_complete(void *arg, void *data, int len)
903 struct nic *nic = arg;
906 ret = gdm_wimax_get_prepared_info(nic->netdev, data, len);
908 gdm_wimax_rcv_with_cb(nic, rx_complete, nic);
911 netdev_err(nic->netdev,
912 "get_prepared_info failed(%d)\n", ret);
913 gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic);
915 /* Re-prepare WiMax device */
916 gdm_wimax_prepare_device(nic->netdev);
921 static void start_rx_proc(struct nic *nic)
923 gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic);
926 static struct net_device_ops gdm_netdev_ops = {
927 .ndo_open = gdm_wimax_open,
928 .ndo_stop = gdm_wimax_close,
929 .ndo_set_config = gdm_wimax_set_config,
930 .ndo_start_xmit = gdm_wimax_tx,
931 .ndo_get_stats = gdm_wimax_stats,
932 .ndo_set_mac_address = gdm_wimax_set_mac_addr,
933 .ndo_do_ioctl = gdm_wimax_ioctl,
936 int register_wimax_device(struct phy_dev *phy_dev, struct device *pdev)
938 struct nic *nic = NULL;
939 struct net_device *dev;
942 dev = (struct net_device *)alloc_netdev(sizeof(*nic),
943 "wm%d", ether_setup);
946 pr_err("alloc_etherdev failed\n");
950 SET_NETDEV_DEV(dev, pdev);
952 dev->netdev_ops = &gdm_netdev_ops;
953 dev->flags &= ~IFF_MULTICAST;
954 memcpy(dev->dev_addr, gdm_wimax_macaddr, sizeof(gdm_wimax_macaddr));
956 nic = netdev_priv(dev);
957 memset(nic, 0, sizeof(*nic));
960 nic->phy_dev = phy_dev;
961 phy_dev->netdev = dev;
963 /* event socket init */
964 ret = gdm_wimax_event_init();
966 pr_err("Cannot create event.\n");
970 ret = register_netdev(dev);
974 #if defined(LOOPBACK_TEST)
975 netif_start_queue(dev);
976 netif_carrier_on(dev);
978 netif_carrier_off(dev);
981 #ifdef CONFIG_WIMAX_GDM72XX_QOS
987 /* Prepare WiMax device */
988 gdm_wimax_prepare_device(dev);
993 pr_err("register_netdev failed\n");
998 void unregister_wimax_device(struct phy_dev *phy_dev)
1000 struct nic *nic = netdev_priv(phy_dev->netdev);
1001 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
1004 fsm->m_status = M_INIT;
1005 unregister_netdev(nic->netdev);
1007 gdm_wimax_event_exit();
1009 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
1010 gdm_qos_release_list(nic);
1013 gdm_wimax_cleanup_ioctl(phy_dev->netdev);
1015 free_netdev(nic->netdev);