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 #include <linux/etherdevice.h>
15 #include <asm/byteorder.h>
17 #include <linux/ipv6.h>
18 #include <linux/udp.h>
21 #include "gdm_wimax.h"
24 #include "netlink_k.h"
26 #define gdm_wimax_send(n, d, l) \
27 (n->phy_dev->send_func)(n->phy_dev->priv_dev, d, l, NULL, NULL)
28 #define gdm_wimax_send_with_cb(n, d, l, c, b) \
29 (n->phy_dev->send_func)(n->phy_dev->priv_dev, d, l, c, b)
30 #define gdm_wimax_rcv_with_cb(n, c, b) \
31 (n->phy_dev->rcv_func)(n->phy_dev->priv_dev, c, b)
33 #define EVT_MAX_SIZE 2048
36 struct list_head list;
37 struct net_device *dev;
38 char evt_data[EVT_MAX_SIZE];
42 static void __gdm_wimax_event_send(struct work_struct *work);
43 static inline struct evt_entry *alloc_event_entry(void);
44 static inline void free_event_entry(struct evt_entry *e);
45 static struct evt_entry *get_event_entry(void);
46 static void put_event_entry(struct evt_entry *e);
51 struct list_head evtq;
54 struct list_head freeq;
55 struct work_struct ws;
58 static u8 gdm_wimax_macaddr[6] = {0x00, 0x0a, 0x3b, 0xf0, 0x01, 0x30};
60 static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm);
61 static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up);
63 #if defined(DEBUG_SDU)
64 static void printk_hex(u8 *buf, u32 size)
68 for (i = 0; i < size; i++) {
70 printk(KERN_DEBUG "\n%02x ", *buf++);
72 printk(KERN_DEBUG "%02x ", *buf++);
75 printk(KERN_DEBUG "\n");
78 static const char *get_protocol_name(u16 protocol)
81 const char *name = "-";
95 sprintf(buf, "0x%04x(%s)", protocol, name);
99 static const char *get_ip_protocol_name(u8 ip_protocol)
102 const char *name = "-";
104 switch (ip_protocol) {
116 sprintf(buf, "%u(%s)", ip_protocol, name);
120 static const char *get_port_name(u16 port)
123 const char *name = "-";
127 name = "DHCP-Server";
130 name = "DHCP-Client";
137 sprintf(buf, "%u(%s)", port, name);
141 static void dump_eth_packet(const char *title, u8 *data, int len)
143 struct iphdr *ih = NULL;
144 struct udphdr *uh = NULL;
149 protocol = (data[12]<<8) | data[13];
150 ih = (struct iphdr *) (data+ETH_HLEN);
152 if (protocol == ETH_P_IP) {
153 uh = (struct udphdr *) ((char *)ih + sizeof(struct iphdr));
154 ip_protocol = ih->protocol;
155 port = ntohs(uh->dest);
156 } else if (protocol == ETH_P_IPV6) {
157 struct ipv6hdr *i6h = (struct ipv6hdr *) data;
158 uh = (struct udphdr *) ((char *)i6h + sizeof(struct ipv6hdr));
159 ip_protocol = i6h->nexthdr;
160 port = ntohs(uh->dest);
163 printk(KERN_DEBUG "[%s] len=%d, %s, %s, %s\n",
165 get_protocol_name(protocol),
166 get_ip_protocol_name(ip_protocol),
167 get_port_name(port));
170 if (!(data[0] == 0xff && data[1] == 0xff)) {
171 if (protocol == ETH_P_IP) {
172 printk(KERN_DEBUG " src=%u.%u.%u.%u\n",
174 } else if (protocol == ETH_P_IPV6) {
176 printk(KERN_DEBUG " src=%x:%x:%x:%x:%x:%x:%x:%x\n",
179 printk(KERN_DEBUG " src=%pI6\n", &ih->saddr);
185 #if (DUMP_PACKET & DUMP_SDU_ALL)
186 printk_hex(data, len);
188 #if (DUMP_PACKET & DUMP_SDU_ARP)
189 if (protocol == ETH_P_ARP)
190 printk_hex(data, len);
192 #if (DUMP_PACKET & DUMP_SDU_IP)
193 if (protocol == ETH_P_IP || protocol == ETH_P_IPV6)
194 printk_hex(data, len);
196 #if (DUMP_PACKET & DUMP_SDU_IP_TCP)
197 if (ip_protocol == IPPROTO_TCP)
198 printk_hex(data, len);
200 #if (DUMP_PACKET & DUMP_SDU_IP_UDP)
201 if (ip_protocol == IPPROTO_UDP)
202 printk_hex(data, len);
204 #if (DUMP_PACKET & DUMP_SDU_IP_ICMP)
205 if (ip_protocol == IPPROTO_ICMP)
206 printk_hex(data, len);
214 static inline int gdm_wimax_header(struct sk_buff **pskb)
216 u16 buf[HCI_HEADER_SIZE / sizeof(u16)];
217 struct sk_buff *skb = *pskb;
220 if (unlikely(skb_headroom(skb) < HCI_HEADER_SIZE)) {
221 struct sk_buff *skb2;
223 skb2 = skb_realloc_headroom(skb, HCI_HEADER_SIZE);
227 skb_set_owner_w(skb2, skb->sk);
232 skb_push(skb, HCI_HEADER_SIZE);
233 buf[0] = H2B(WIMAX_TX_SDU);
234 buf[1] = H2B(skb->len - HCI_HEADER_SIZE);
235 memcpy(skb->data, buf, HCI_HEADER_SIZE);
241 static void gdm_wimax_event_rcv(struct net_device *dev, u16 type, void *msg,
244 struct nic *nic = netdev_priv(dev);
246 #if defined(DEBUG_HCI)
247 u8 *buf = (u8 *) msg;
248 u16 hci_cmd = (buf[0]<<8) | buf[1];
249 u16 hci_len = (buf[2]<<8) | buf[3];
250 printk(KERN_DEBUG "H=>D: 0x%04x(%d)\n", hci_cmd, hci_len);
253 gdm_wimax_send(nic, msg, len);
256 static int gdm_wimax_event_init(void)
258 if (wm_event.ref_cnt == 0) {
259 wm_event.sock = netlink_init(NETLINK_WIMAX,
260 gdm_wimax_event_rcv);
261 INIT_LIST_HEAD(&wm_event.evtq);
262 INIT_LIST_HEAD(&wm_event.freeq);
263 INIT_WORK(&wm_event.ws, __gdm_wimax_event_send);
264 spin_lock_init(&wm_event.evt_lock);
272 printk(KERN_ERR "Creating WiMax Event netlink is failed\n");
276 static void gdm_wimax_event_exit(void)
278 if (wm_event.sock && --wm_event.ref_cnt == 0) {
279 struct evt_entry *e, *temp;
282 spin_lock_irqsave(&wm_event.evt_lock, flags);
284 list_for_each_entry_safe(e, temp, &wm_event.evtq, list) {
288 list_for_each_entry_safe(e, temp, &wm_event.freeq, list) {
293 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
294 netlink_exit(wm_event.sock);
295 wm_event.sock = NULL;
299 static inline struct evt_entry *alloc_event_entry(void)
301 return kmalloc(sizeof(struct evt_entry), GFP_ATOMIC);
304 static inline void free_event_entry(struct evt_entry *e)
309 static struct evt_entry *get_event_entry(void)
313 if (list_empty(&wm_event.freeq))
314 e = alloc_event_entry();
316 e = list_entry(wm_event.freeq.next, struct evt_entry, list);
323 static void put_event_entry(struct evt_entry *e)
327 list_add_tail(&e->list, &wm_event.freeq);
330 static void __gdm_wimax_event_send(struct work_struct *work)
336 spin_lock_irqsave(&wm_event.evt_lock, flags);
338 while (!list_empty(&wm_event.evtq)) {
339 e = list_entry(wm_event.evtq.next, struct evt_entry, list);
340 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
342 sscanf(e->dev->name, "wm%d", &idx);
343 netlink_send(wm_event.sock, idx, 0, e->evt_data, e->size);
345 spin_lock_irqsave(&wm_event.evt_lock, flags);
350 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
353 static int gdm_wimax_event_send(struct net_device *dev, char *buf, int size)
358 #if defined(DEBUG_HCI)
359 u16 hci_cmd = ((u8)buf[0]<<8) | (u8)buf[1];
360 u16 hci_len = ((u8)buf[2]<<8) | (u8)buf[3];
361 printk(KERN_DEBUG "D=>H: 0x%04x(%d)\n", hci_cmd, hci_len);
364 spin_lock_irqsave(&wm_event.evt_lock, flags);
366 e = get_event_entry();
368 printk(KERN_ERR "%s: No memory for event\n", __func__);
369 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
375 memcpy(e->evt_data, buf, size);
377 list_add_tail(&e->list, &wm_event.evtq);
378 spin_unlock_irqrestore(&wm_event.evt_lock, flags);
380 schedule_work(&wm_event.ws);
385 static void tx_complete(void *arg)
387 struct nic *nic = arg;
389 if (netif_queue_stopped(nic->netdev))
390 netif_wake_queue(nic->netdev);
393 int gdm_wimax_send_tx(struct sk_buff *skb, struct net_device *dev)
396 struct nic *nic = netdev_priv(dev);
398 ret = gdm_wimax_send_with_cb(nic, skb->data, skb->len, tx_complete,
400 if (ret == -ENOSPC) {
401 netif_stop_queue(dev);
406 skb_pull(skb, HCI_HEADER_SIZE);
410 nic->stats.tx_packets++;
411 nic->stats.tx_bytes += skb->len - HCI_HEADER_SIZE;
416 static int gdm_wimax_tx(struct sk_buff *skb, struct net_device *dev)
419 struct nic *nic = netdev_priv(dev);
420 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
422 #if defined(DEBUG_SDU)
423 dump_eth_packet("TX", skb->data, skb->len);
426 ret = gdm_wimax_header(&skb);
428 skb_pull(skb, HCI_HEADER_SIZE);
432 #if !defined(LOOPBACK_TEST)
434 printk(KERN_ERR "ASSERTION ERROR: fsm is NULL!!\n");
435 else if (fsm->m_status != M_CONNECTED) {
436 printk(KERN_EMERG "ASSERTION ERROR: Device is NOT ready. status=%d\n",
443 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
444 ret = gdm_qos_send_hci_pkt(skb, dev);
446 ret = gdm_wimax_send_tx(skb, dev);
451 static int gdm_wimax_set_config(struct net_device *dev, struct ifmap *map)
453 if (dev->flags & IFF_UP)
459 static void __gdm_wimax_set_mac_addr(struct net_device *dev, char *mac_addr)
461 u16 hci_pkt_buf[32 / sizeof(u16)];
462 u8 *pkt = (u8 *) &hci_pkt_buf[0];
463 struct nic *nic = netdev_priv(dev);
465 /* Since dev is registered as a ethernet device,
466 * ether_setup has made dev->addr_len to be ETH_ALEN
468 memcpy(dev->dev_addr, mac_addr, dev->addr_len);
470 /* Let lower layer know of this change by sending
471 * SetInformation(MAC Address)
473 hci_pkt_buf[0] = H2B(WIMAX_SET_INFO); /* cmd_evt */
474 hci_pkt_buf[1] = H2B(8); /* size */
477 memcpy(pkt + 6, mac_addr, dev->addr_len); /* V */
479 gdm_wimax_send(nic, pkt, HCI_HEADER_SIZE + 8);
482 /* A driver function */
483 static int gdm_wimax_set_mac_addr(struct net_device *dev, void *p)
485 struct sockaddr *addr = p;
487 if (netif_running(dev))
490 if (!is_valid_ether_addr(addr->sa_data))
491 return -EADDRNOTAVAIL;
493 __gdm_wimax_set_mac_addr(dev, addr->sa_data);
498 static struct net_device_stats *gdm_wimax_stats(struct net_device *dev)
500 struct nic *nic = netdev_priv(dev);
505 static int gdm_wimax_open(struct net_device *dev)
507 struct nic *nic = netdev_priv(dev);
508 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
510 netif_start_queue(dev);
512 if (fsm && fsm->m_status != M_INIT)
513 gdm_wimax_ind_if_updown(dev, 1);
517 static int gdm_wimax_close(struct net_device *dev)
519 struct nic *nic = netdev_priv(dev);
520 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
522 netif_stop_queue(dev);
524 if (fsm && fsm->m_status != M_INIT)
525 gdm_wimax_ind_if_updown(dev, 0);
529 static void kdelete(void **buf)
537 static int gdm_wimax_ioctl_get_data(struct data_s *dst, struct data_s *src)
541 size = dst->size < src->size ? dst->size : src->size;
547 if (copy_to_user(dst->buf, src->buf, size))
553 static int gdm_wimax_ioctl_set_data(struct data_s *dst, struct data_s *src)
563 if (!(dst->buf && dst->size == src->size)) {
565 dst->buf = kmalloc(src->size, GFP_KERNEL);
566 if (dst->buf == NULL)
570 if (copy_from_user(dst->buf, src->buf, src->size)) {
574 dst->size = src->size;
578 static void gdm_wimax_cleanup_ioctl(struct net_device *dev)
580 struct nic *nic = netdev_priv(dev);
583 for (i = 0; i < SIOC_DATA_MAX; i++)
584 kdelete(&nic->sdk_data[i].buf);
587 static void gdm_update_fsm(struct net_device *dev, struct fsm_s *new_fsm)
589 struct nic *nic = netdev_priv(dev);
590 struct fsm_s *cur_fsm =
591 (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
596 if (cur_fsm->m_status != new_fsm->m_status ||
597 cur_fsm->c_status != new_fsm->c_status) {
598 if (new_fsm->m_status == M_CONNECTED)
599 netif_carrier_on(dev);
600 else if (cur_fsm->m_status == M_CONNECTED) {
601 netif_carrier_off(dev);
602 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
603 gdm_qos_release_list(nic);
606 gdm_wimax_ind_fsm_update(dev, new_fsm);
610 static int gdm_wimax_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
612 struct wm_req_s *req = (struct wm_req_s *) ifr;
613 struct nic *nic = netdev_priv(dev);
616 if (cmd != SIOCWMIOCTL)
622 if (req->data_id >= SIOC_DATA_MAX) {
624 "%s error: data-index(%d) is invalid!!\n",
625 __func__, req->data_id);
628 if (req->cmd == SIOCG_DATA) {
629 ret = gdm_wimax_ioctl_get_data(&req->data,
630 &nic->sdk_data[req->data_id]);
633 } else if (req->cmd == SIOCS_DATA) {
634 if (req->data_id == SIOC_DATA_FSM) {
635 /*NOTE: gdm_update_fsm should be called
636 before gdm_wimax_ioctl_set_data is called*/
638 (struct fsm_s *) req->data.buf);
640 ret = gdm_wimax_ioctl_set_data(
641 &nic->sdk_data[req->data_id], &req->data);
647 printk(KERN_ERR "%s: %x unknown ioctl\n", __func__, cmd);
654 static void gdm_wimax_prepare_device(struct net_device *dev)
656 struct nic *nic = netdev_priv(dev);
657 u16 buf[32 / sizeof(u16)];
658 struct hci_s *hci = (struct hci_s *) buf;
662 #define BIT_MULTI_CS 0
665 #define BIT_AGGREGATION 3
667 /* GetInformation mac address */
669 hci->cmd_evt = H2B(WIMAX_GET_INFO);
670 hci->data[len++] = TLV_T(T_MAC_ADDRESS);
671 hci->length = H2B(len);
672 gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
674 val = (1<<BIT_WIMAX) | (1<<BIT_MULTI_CS);
675 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
678 #if defined(CONFIG_WIMAX_GDM72XX_WIMAX2)
679 val |= (1<<BIT_AGGREGATION);
684 hci->cmd_evt = H2B(WIMAX_SET_INFO);
685 hci->data[len++] = TLV_T(T_CAPABILITY);
686 hci->data[len++] = TLV_L(T_CAPABILITY);
688 memcpy(&hci->data[len], &val, TLV_L(T_CAPABILITY));
689 len += TLV_L(T_CAPABILITY);
690 hci->length = H2B(len);
691 gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
693 printk(KERN_INFO "GDM WiMax Set CAPABILITY: 0x%08X\n", DB2H(val));
696 static int gdm_wimax_hci_get_tlv(u8 *buf, u8 *T, u16 *L, u8 **V)
698 #define __U82U16(b) ((u16)((u8 *)(b))[0] | ((u16)((u8 *)(b))[1] << 8))
702 if (buf[1] == 0x82) {
703 *L = B2H(__U82U16(&buf[2]));
704 next_pos = 1/*type*/+3/*len*/;
707 next_pos = 1/*type*/+1/*len*/;
711 next_pos += *L/*length of val*/;
715 static int gdm_wimax_get_prepared_info(struct net_device *dev, char *buf,
720 u16 cmd_evt, cmd_len;
721 int pos = HCI_HEADER_SIZE;
723 cmd_evt = B2H(*(u16 *)&buf[0]);
724 cmd_len = B2H(*(u16 *)&buf[2]);
726 if (len < cmd_len + HCI_HEADER_SIZE) {
727 printk(KERN_ERR "%s: invalid length [%d/%d]\n", __func__,
728 cmd_len + HCI_HEADER_SIZE, len);
732 if (cmd_evt == WIMAX_GET_INFO_RESULT) {
734 printk(KERN_ERR "%s: len is too short [%x/%d]\n",
735 __func__, cmd_evt, len);
739 pos += gdm_wimax_hci_get_tlv(&buf[pos], &T, &L, &V);
740 if (T == TLV_T(T_MAC_ADDRESS)) {
741 if (L != dev->addr_len) {
743 "%s Invalid inofrmation result T/L "
744 "[%x/%d]\n", __func__, T, L);
748 "MAC change [%02x:%02x:%02x:%02x:%02x:%02x]"
749 "->[%02x:%02x:%02x:%02x:%02x:%02x]\n",
750 dev->dev_addr[0], dev->dev_addr[1],
751 dev->dev_addr[2], dev->dev_addr[3],
752 dev->dev_addr[4], dev->dev_addr[5],
753 V[0], V[1], V[2], V[3], V[4], V[5]);
754 memcpy(dev->dev_addr, V, dev->addr_len);
759 gdm_wimax_event_send(dev, buf, len);
763 static void gdm_wimax_netif_rx(struct net_device *dev, char *buf, int len)
765 struct nic *nic = netdev_priv(dev);
769 #if defined(DEBUG_SDU)
770 dump_eth_packet("RX", buf, len);
773 skb = dev_alloc_skb(len + 2);
775 printk(KERN_ERR "%s: dev_alloc_skb failed!\n", __func__);
780 nic->stats.rx_packets++;
781 nic->stats.rx_bytes += len;
783 memcpy(skb_put(skb, len), buf, len);
786 skb->protocol = eth_type_trans(skb, dev); /* what will happen? */
788 ret = in_interrupt() ? netif_rx(skb) : netif_rx_ni(skb);
789 if (ret == NET_RX_DROP)
790 printk(KERN_ERR "%s skb dropped\n", __func__);
793 static void gdm_wimax_transmit_aggr_pkt(struct net_device *dev, char *buf,
796 #define HCI_PADDING_BYTE 4
797 #define HCI_RESERVED_BYTE 4
802 hci = (struct hci_s *) buf;
804 if (B2H(hci->cmd_evt) != WIMAX_RX_SDU) {
805 printk(KERN_ERR "Wrong cmd_evt(0x%04X)\n",
810 length = B2H(hci->length);
811 gdm_wimax_netif_rx(dev, hci->data, length);
814 /* Add padding size */
815 length += HCI_PADDING_BYTE - (length & 0x3);
818 length += HCI_HEADER_SIZE + HCI_RESERVED_BYTE;
824 static void gdm_wimax_transmit_pkt(struct net_device *dev, char *buf, int len)
826 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
827 struct nic *nic = netdev_priv(dev);
829 u16 cmd_evt, cmd_len;
831 /* This code is added for certain rx packet to be ignored. */
835 cmd_evt = B2H(*(u16 *)&buf[0]);
836 cmd_len = B2H(*(u16 *)&buf[2]);
838 if (len < cmd_len + HCI_HEADER_SIZE) {
840 printk(KERN_ERR "%s: invalid length [%d/%d]\n",
841 __func__, cmd_len + HCI_HEADER_SIZE, len);
846 case WIMAX_RX_SDU_AGGR:
847 gdm_wimax_transmit_aggr_pkt(dev, &buf[HCI_HEADER_SIZE],
851 gdm_wimax_netif_rx(dev, &buf[HCI_HEADER_SIZE], cmd_len);
853 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
854 case WIMAX_EVT_MODEM_REPORT:
855 gdm_recv_qos_hci_packet(nic, buf, len);
858 case WIMAX_SDU_TX_FLOW:
860 if (!netif_queue_stopped(dev))
861 netif_stop_queue(dev);
862 } else if (buf[4] == 1) {
863 if (netif_queue_stopped(dev))
864 netif_wake_queue(dev);
868 gdm_wimax_event_send(dev, buf, len);
873 static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm)
875 u16 buf[32 / sizeof(u16)];
876 u8 *hci_pkt_buf = (u8 *)&buf[0];
878 /* Indicate updating fsm */
879 buf[0] = H2B(WIMAX_FSM_UPDATE);
880 buf[1] = H2B(sizeof(struct fsm_s));
881 memcpy(&hci_pkt_buf[HCI_HEADER_SIZE], fsm, sizeof(struct fsm_s));
883 gdm_wimax_event_send(dev, hci_pkt_buf,
884 HCI_HEADER_SIZE + sizeof(struct fsm_s));
887 static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up)
889 u16 buf[32 / sizeof(u16)];
890 struct hci_s *hci = (struct hci_s *) buf;
891 unsigned char up_down;
893 up_down = if_up ? WIMAX_IF_UP : WIMAX_IF_DOWN;
895 /* Indicate updating fsm */
896 hci->cmd_evt = H2B(WIMAX_IF_UPDOWN);
897 hci->length = H2B(sizeof(up_down));
898 hci->data[0] = up_down;
900 gdm_wimax_event_send(dev, (char *)hci, HCI_HEADER_SIZE+sizeof(up_down));
903 static void rx_complete(void *arg, void *data, int len)
905 struct nic *nic = arg;
907 gdm_wimax_transmit_pkt(nic->netdev, data, len);
908 gdm_wimax_rcv_with_cb(nic, rx_complete, nic);
911 static void prepare_rx_complete(void *arg, void *data, int len)
913 struct nic *nic = arg;
916 ret = gdm_wimax_get_prepared_info(nic->netdev, data, len);
918 gdm_wimax_rcv_with_cb(nic, rx_complete, nic);
921 printk(KERN_ERR "get_prepared_info failed(%d)\n", ret);
922 gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic);
924 /* Re-prepare WiMax device */
925 gdm_wimax_prepare_device(nic->netdev);
930 static void start_rx_proc(struct nic *nic)
932 gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic);
935 static struct net_device_ops gdm_netdev_ops = {
936 .ndo_open = gdm_wimax_open,
937 .ndo_stop = gdm_wimax_close,
938 .ndo_set_config = gdm_wimax_set_config,
939 .ndo_start_xmit = gdm_wimax_tx,
940 .ndo_get_stats = gdm_wimax_stats,
941 .ndo_set_mac_address = gdm_wimax_set_mac_addr,
942 .ndo_do_ioctl = gdm_wimax_ioctl,
945 int register_wimax_device(struct phy_dev *phy_dev, struct device *pdev)
947 struct nic *nic = NULL;
948 struct net_device *dev;
951 dev = (struct net_device *)alloc_netdev(sizeof(*nic),
952 "wm%d", ether_setup);
955 printk(KERN_ERR "alloc_etherdev failed\n");
959 SET_NETDEV_DEV(dev, pdev);
961 dev->netdev_ops = &gdm_netdev_ops;
962 dev->flags &= ~IFF_MULTICAST;
963 memcpy(dev->dev_addr, gdm_wimax_macaddr, sizeof(gdm_wimax_macaddr));
965 nic = netdev_priv(dev);
966 memset(nic, 0, sizeof(*nic));
969 nic->phy_dev = phy_dev;
970 phy_dev->netdev = dev;
972 /* event socket init */
973 ret = gdm_wimax_event_init();
975 printk(KERN_ERR "Cannot create event.\n");
979 ret = register_netdev(dev);
983 #if defined(LOOPBACK_TEST)
984 netif_start_queue(dev);
985 netif_carrier_on(dev);
987 netif_carrier_off(dev);
990 #ifdef CONFIG_WIMAX_GDM72XX_QOS
996 /* Prepare WiMax device */
997 gdm_wimax_prepare_device(dev);
1002 printk(KERN_ERR "register_netdev failed\n");
1007 void unregister_wimax_device(struct phy_dev *phy_dev)
1009 struct nic *nic = netdev_priv(phy_dev->netdev);
1010 struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
1013 fsm->m_status = M_INIT;
1014 unregister_netdev(nic->netdev);
1016 gdm_wimax_event_exit();
1018 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
1019 gdm_qos_release_list(nic);
1022 gdm_wimax_cleanup_ioctl(phy_dev->netdev);
1024 free_netdev(nic->netdev);