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
) {
259 wm_event
.sock
= netlink_init(NETLINK_WIMAX
,
260 gdm_wimax_event_rcv
);
262 INIT_LIST_HEAD(&wm_event
.evtq
);
263 INIT_LIST_HEAD(&wm_event
.freeq
);
264 INIT_WORK(&wm_event
.ws
, __gdm_wimax_event_send
);
265 spin_lock_init(&wm_event
.evt_lock
);
274 printk(KERN_ERR
"Creating WiMax Event netlink is failed\n");
278 static void gdm_wimax_event_exit(void)
280 if (wm_event
.sock
&& --wm_event
.ref_cnt
== 0) {
281 struct evt_entry
*e
, *temp
;
284 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
286 list_for_each_entry_safe(e
, temp
, &wm_event
.evtq
, list
) {
290 list_for_each_entry_safe(e
, temp
, &wm_event
.freeq
, list
) {
295 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
296 netlink_exit(wm_event
.sock
);
297 wm_event
.sock
= NULL
;
301 static inline struct evt_entry
*alloc_event_entry(void)
303 return kmalloc(sizeof(struct evt_entry
), GFP_ATOMIC
);
306 static inline void free_event_entry(struct evt_entry
*e
)
311 static struct evt_entry
*get_event_entry(void)
315 if (list_empty(&wm_event
.freeq
))
316 e
= alloc_event_entry();
318 e
= list_entry(wm_event
.freeq
.next
, struct evt_entry
, list
);
325 static void put_event_entry(struct evt_entry
*e
)
329 list_add_tail(&e
->list
, &wm_event
.freeq
);
332 static void __gdm_wimax_event_send(struct work_struct
*work
)
338 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
340 while (!list_empty(&wm_event
.evtq
)) {
341 e
= list_entry(wm_event
.evtq
.next
, struct evt_entry
, list
);
342 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
344 sscanf(e
->dev
->name
, "wm%d", &idx
);
345 netlink_send(wm_event
.sock
, idx
, 0, e
->evt_data
, e
->size
);
347 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
352 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
355 static int gdm_wimax_event_send(struct net_device
*dev
, char *buf
, int size
)
360 #if defined(DEBUG_HCI)
361 u16 hci_cmd
= ((u8
)buf
[0]<<8) | (u8
)buf
[1];
362 u16 hci_len
= ((u8
)buf
[2]<<8) | (u8
)buf
[3];
363 printk(KERN_DEBUG
"D=>H: 0x%04x(%d)\n", hci_cmd
, hci_len
);
366 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
368 e
= get_event_entry();
370 printk(KERN_ERR
"%s: No memory for event\n", __func__
);
371 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
377 memcpy(e
->evt_data
, buf
, size
);
379 list_add_tail(&e
->list
, &wm_event
.evtq
);
380 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
382 schedule_work(&wm_event
.ws
);
387 static void tx_complete(void *arg
)
389 struct nic
*nic
= arg
;
391 if (netif_queue_stopped(nic
->netdev
))
392 netif_wake_queue(nic
->netdev
);
395 int gdm_wimax_send_tx(struct sk_buff
*skb
, struct net_device
*dev
)
398 struct nic
*nic
= netdev_priv(dev
);
400 ret
= gdm_wimax_send_with_cb(nic
, skb
->data
, skb
->len
, tx_complete
,
402 if (ret
== -ENOSPC
) {
403 netif_stop_queue(dev
);
408 skb_pull(skb
, HCI_HEADER_SIZE
);
412 nic
->stats
.tx_packets
++;
413 nic
->stats
.tx_bytes
+= skb
->len
- HCI_HEADER_SIZE
;
418 static int gdm_wimax_tx(struct sk_buff
*skb
, struct net_device
*dev
)
421 struct nic
*nic
= netdev_priv(dev
);
422 struct fsm_s
*fsm
= (struct fsm_s
*) nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
424 #if defined(DEBUG_SDU)
425 dump_eth_packet("TX", skb
->data
, skb
->len
);
428 ret
= gdm_wimax_header(&skb
);
430 skb_pull(skb
, HCI_HEADER_SIZE
);
434 #if !defined(LOOPBACK_TEST)
436 printk(KERN_ERR
"ASSERTION ERROR: fsm is NULL!!\n");
437 else if (fsm
->m_status
!= M_CONNECTED
) {
438 printk(KERN_EMERG
"ASSERTION ERROR: Device is NOT ready. status=%d\n",
445 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
446 ret
= gdm_qos_send_hci_pkt(skb
, dev
);
448 ret
= gdm_wimax_send_tx(skb
, dev
);
453 static int gdm_wimax_set_config(struct net_device
*dev
, struct ifmap
*map
)
455 if (dev
->flags
& IFF_UP
)
461 static void __gdm_wimax_set_mac_addr(struct net_device
*dev
, char *mac_addr
)
463 u16 hci_pkt_buf
[32 / sizeof(u16
)];
464 u8
*pkt
= (u8
*) &hci_pkt_buf
[0];
465 struct nic
*nic
= netdev_priv(dev
);
467 /* Since dev is registered as a ethernet device,
468 * ether_setup has made dev->addr_len to be ETH_ALEN
470 memcpy(dev
->dev_addr
, mac_addr
, dev
->addr_len
);
472 /* Let lower layer know of this change by sending
473 * SetInformation(MAC Address)
475 hci_pkt_buf
[0] = H2B(WIMAX_SET_INFO
); /* cmd_evt */
476 hci_pkt_buf
[1] = H2B(8); /* size */
479 memcpy(pkt
+ 6, mac_addr
, dev
->addr_len
); /* V */
481 gdm_wimax_send(nic
, pkt
, HCI_HEADER_SIZE
+ 8);
484 /* A driver function */
485 static int gdm_wimax_set_mac_addr(struct net_device
*dev
, void *p
)
487 struct sockaddr
*addr
= p
;
489 if (netif_running(dev
))
492 if (!is_valid_ether_addr(addr
->sa_data
))
493 return -EADDRNOTAVAIL
;
495 __gdm_wimax_set_mac_addr(dev
, addr
->sa_data
);
500 static struct net_device_stats
*gdm_wimax_stats(struct net_device
*dev
)
502 struct nic
*nic
= netdev_priv(dev
);
507 static int gdm_wimax_open(struct net_device
*dev
)
509 struct nic
*nic
= netdev_priv(dev
);
510 struct fsm_s
*fsm
= (struct fsm_s
*) nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
512 netif_start_queue(dev
);
514 if (fsm
&& fsm
->m_status
!= M_INIT
)
515 gdm_wimax_ind_if_updown(dev
, 1);
519 static int gdm_wimax_close(struct net_device
*dev
)
521 struct nic
*nic
= netdev_priv(dev
);
522 struct fsm_s
*fsm
= (struct fsm_s
*) nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
524 netif_stop_queue(dev
);
526 if (fsm
&& fsm
->m_status
!= M_INIT
)
527 gdm_wimax_ind_if_updown(dev
, 0);
531 static void kdelete(void **buf
)
539 static int gdm_wimax_ioctl_get_data(struct data_s
*dst
, struct data_s
*src
)
543 size
= dst
->size
< src
->size
? dst
->size
: src
->size
;
549 if (copy_to_user(dst
->buf
, src
->buf
, size
))
555 static int gdm_wimax_ioctl_set_data(struct data_s
*dst
, struct data_s
*src
)
565 if (!(dst
->buf
&& dst
->size
== src
->size
)) {
567 dst
->buf
= kmalloc(src
->size
, GFP_KERNEL
);
568 if (dst
->buf
== NULL
)
572 if (copy_from_user(dst
->buf
, src
->buf
, src
->size
)) {
576 dst
->size
= src
->size
;
580 static void gdm_wimax_cleanup_ioctl(struct net_device
*dev
)
582 struct nic
*nic
= netdev_priv(dev
);
585 for (i
= 0; i
< SIOC_DATA_MAX
; i
++)
586 kdelete(&nic
->sdk_data
[i
].buf
);
589 static void gdm_update_fsm(struct net_device
*dev
, struct fsm_s
*new_fsm
)
591 struct nic
*nic
= netdev_priv(dev
);
592 struct fsm_s
*cur_fsm
=
593 (struct fsm_s
*) nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
598 if (cur_fsm
->m_status
!= new_fsm
->m_status
||
599 cur_fsm
->c_status
!= new_fsm
->c_status
) {
600 if (new_fsm
->m_status
== M_CONNECTED
)
601 netif_carrier_on(dev
);
602 else if (cur_fsm
->m_status
== M_CONNECTED
) {
603 netif_carrier_off(dev
);
604 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
605 gdm_qos_release_list(nic
);
608 gdm_wimax_ind_fsm_update(dev
, new_fsm
);
612 static int gdm_wimax_ioctl(struct net_device
*dev
, struct ifreq
*ifr
, int cmd
)
614 struct wm_req_s
*req
= (struct wm_req_s
*) ifr
;
615 struct nic
*nic
= netdev_priv(dev
);
618 if (cmd
!= SIOCWMIOCTL
)
624 if (req
->data_id
>= SIOC_DATA_MAX
) {
626 "%s error: data-index(%d) is invalid!!\n",
627 __func__
, req
->data_id
);
630 if (req
->cmd
== SIOCG_DATA
) {
631 ret
= gdm_wimax_ioctl_get_data(&req
->data
,
632 &nic
->sdk_data
[req
->data_id
]);
635 } else if (req
->cmd
== SIOCS_DATA
) {
636 if (req
->data_id
== SIOC_DATA_FSM
) {
637 /*NOTE: gdm_update_fsm should be called
638 before gdm_wimax_ioctl_set_data is called*/
640 (struct fsm_s
*) req
->data
.buf
);
642 ret
= gdm_wimax_ioctl_set_data(
643 &nic
->sdk_data
[req
->data_id
], &req
->data
);
649 printk(KERN_ERR
"%s: %x unknown ioctl\n", __func__
, cmd
);
656 static void gdm_wimax_prepare_device(struct net_device
*dev
)
658 struct nic
*nic
= netdev_priv(dev
);
659 u16 buf
[32 / sizeof(u16
)];
660 struct hci_s
*hci
= (struct hci_s
*) buf
;
664 #define BIT_MULTI_CS 0
667 #define BIT_AGGREGATION 3
669 /* GetInformation mac address */
671 hci
->cmd_evt
= H2B(WIMAX_GET_INFO
);
672 hci
->data
[len
++] = TLV_T(T_MAC_ADDRESS
);
673 hci
->length
= H2B(len
);
674 gdm_wimax_send(nic
, hci
, HCI_HEADER_SIZE
+len
);
676 val
= (1<<BIT_WIMAX
) | (1<<BIT_MULTI_CS
);
677 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
680 #if defined(CONFIG_WIMAX_GDM72XX_WIMAX2)
681 val
|= (1<<BIT_AGGREGATION
);
686 hci
->cmd_evt
= H2B(WIMAX_SET_INFO
);
687 hci
->data
[len
++] = TLV_T(T_CAPABILITY
);
688 hci
->data
[len
++] = TLV_L(T_CAPABILITY
);
690 memcpy(&hci
->data
[len
], &val
, TLV_L(T_CAPABILITY
));
691 len
+= TLV_L(T_CAPABILITY
);
692 hci
->length
= H2B(len
);
693 gdm_wimax_send(nic
, hci
, HCI_HEADER_SIZE
+len
);
695 printk(KERN_INFO
"GDM WiMax Set CAPABILITY: 0x%08X\n", DB2H(val
));
698 static int gdm_wimax_hci_get_tlv(u8
*buf
, u8
*T
, u16
*L
, u8
**V
)
700 #define __U82U16(b) ((u16)((u8 *)(b))[0] | ((u16)((u8 *)(b))[1] << 8))
704 if (buf
[1] == 0x82) {
705 *L
= B2H(__U82U16(&buf
[2]));
706 next_pos
= 1/*type*/+3/*len*/;
709 next_pos
= 1/*type*/+1/*len*/;
713 next_pos
+= *L
/*length of val*/;
717 static int gdm_wimax_get_prepared_info(struct net_device
*dev
, char *buf
,
722 u16 cmd_evt
, cmd_len
;
723 int pos
= HCI_HEADER_SIZE
;
725 cmd_evt
= B2H(*(u16
*)&buf
[0]);
726 cmd_len
= B2H(*(u16
*)&buf
[2]);
728 if (len
< cmd_len
+ HCI_HEADER_SIZE
) {
729 printk(KERN_ERR
"%s: invalid length [%d/%d]\n", __func__
,
730 cmd_len
+ HCI_HEADER_SIZE
, len
);
734 if (cmd_evt
== WIMAX_GET_INFO_RESULT
) {
736 printk(KERN_ERR
"%s: len is too short [%x/%d]\n",
737 __func__
, cmd_evt
, len
);
741 pos
+= gdm_wimax_hci_get_tlv(&buf
[pos
], &T
, &L
, &V
);
742 if (T
== TLV_T(T_MAC_ADDRESS
)) {
743 if (L
!= dev
->addr_len
) {
745 "%s Invalid inofrmation result T/L "
746 "[%x/%d]\n", __func__
, T
, L
);
749 printk(KERN_INFO
"MAC change [%pM]->[%pM]\n",
751 memcpy(dev
->dev_addr
, V
, dev
->addr_len
);
756 gdm_wimax_event_send(dev
, buf
, len
);
760 static void gdm_wimax_netif_rx(struct net_device
*dev
, char *buf
, int len
)
762 struct nic
*nic
= netdev_priv(dev
);
766 #if defined(DEBUG_SDU)
767 dump_eth_packet("RX", buf
, len
);
770 skb
= dev_alloc_skb(len
+ 2);
772 printk(KERN_ERR
"%s: dev_alloc_skb failed!\n", __func__
);
777 nic
->stats
.rx_packets
++;
778 nic
->stats
.rx_bytes
+= len
;
780 memcpy(skb_put(skb
, len
), buf
, len
);
783 skb
->protocol
= eth_type_trans(skb
, dev
); /* what will happen? */
785 ret
= in_interrupt() ? netif_rx(skb
) : netif_rx_ni(skb
);
786 if (ret
== NET_RX_DROP
)
787 printk(KERN_ERR
"%s skb dropped\n", __func__
);
790 static void gdm_wimax_transmit_aggr_pkt(struct net_device
*dev
, char *buf
,
793 #define HCI_PADDING_BYTE 4
794 #define HCI_RESERVED_BYTE 4
799 hci
= (struct hci_s
*) buf
;
801 if (B2H(hci
->cmd_evt
) != WIMAX_RX_SDU
) {
802 printk(KERN_ERR
"Wrong cmd_evt(0x%04X)\n",
807 length
= B2H(hci
->length
);
808 gdm_wimax_netif_rx(dev
, hci
->data
, length
);
811 /* Add padding size */
812 length
+= HCI_PADDING_BYTE
- (length
& 0x3);
815 length
+= HCI_HEADER_SIZE
+ HCI_RESERVED_BYTE
;
821 static void gdm_wimax_transmit_pkt(struct net_device
*dev
, char *buf
, int len
)
823 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
824 struct nic
*nic
= netdev_priv(dev
);
826 u16 cmd_evt
, cmd_len
;
828 /* This code is added for certain rx packet to be ignored. */
832 cmd_evt
= B2H(*(u16
*)&buf
[0]);
833 cmd_len
= B2H(*(u16
*)&buf
[2]);
835 if (len
< cmd_len
+ HCI_HEADER_SIZE
) {
837 printk(KERN_ERR
"%s: invalid length [%d/%d]\n",
838 __func__
, cmd_len
+ HCI_HEADER_SIZE
, len
);
843 case WIMAX_RX_SDU_AGGR
:
844 gdm_wimax_transmit_aggr_pkt(dev
, &buf
[HCI_HEADER_SIZE
],
848 gdm_wimax_netif_rx(dev
, &buf
[HCI_HEADER_SIZE
], cmd_len
);
850 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
851 case WIMAX_EVT_MODEM_REPORT
:
852 gdm_recv_qos_hci_packet(nic
, buf
, len
);
855 case WIMAX_SDU_TX_FLOW
:
857 if (!netif_queue_stopped(dev
))
858 netif_stop_queue(dev
);
859 } else if (buf
[4] == 1) {
860 if (netif_queue_stopped(dev
))
861 netif_wake_queue(dev
);
865 gdm_wimax_event_send(dev
, buf
, len
);
870 static void gdm_wimax_ind_fsm_update(struct net_device
*dev
, struct fsm_s
*fsm
)
872 u16 buf
[32 / sizeof(u16
)];
873 u8
*hci_pkt_buf
= (u8
*)&buf
[0];
875 /* Indicate updating fsm */
876 buf
[0] = H2B(WIMAX_FSM_UPDATE
);
877 buf
[1] = H2B(sizeof(struct fsm_s
));
878 memcpy(&hci_pkt_buf
[HCI_HEADER_SIZE
], fsm
, sizeof(struct fsm_s
));
880 gdm_wimax_event_send(dev
, hci_pkt_buf
,
881 HCI_HEADER_SIZE
+ sizeof(struct fsm_s
));
884 static void gdm_wimax_ind_if_updown(struct net_device
*dev
, int if_up
)
886 u16 buf
[32 / sizeof(u16
)];
887 struct hci_s
*hci
= (struct hci_s
*) buf
;
888 unsigned char up_down
;
890 up_down
= if_up
? WIMAX_IF_UP
: WIMAX_IF_DOWN
;
892 /* Indicate updating fsm */
893 hci
->cmd_evt
= H2B(WIMAX_IF_UPDOWN
);
894 hci
->length
= H2B(sizeof(up_down
));
895 hci
->data
[0] = up_down
;
897 gdm_wimax_event_send(dev
, (char *)hci
, HCI_HEADER_SIZE
+sizeof(up_down
));
900 static void rx_complete(void *arg
, void *data
, int len
)
902 struct nic
*nic
= arg
;
904 gdm_wimax_transmit_pkt(nic
->netdev
, data
, len
);
905 gdm_wimax_rcv_with_cb(nic
, rx_complete
, nic
);
908 static void prepare_rx_complete(void *arg
, void *data
, int len
)
910 struct nic
*nic
= arg
;
913 ret
= gdm_wimax_get_prepared_info(nic
->netdev
, data
, len
);
915 gdm_wimax_rcv_with_cb(nic
, rx_complete
, nic
);
918 printk(KERN_ERR
"get_prepared_info failed(%d)\n", ret
);
919 gdm_wimax_rcv_with_cb(nic
, prepare_rx_complete
, nic
);
921 /* Re-prepare WiMax device */
922 gdm_wimax_prepare_device(nic
->netdev
);
927 static void start_rx_proc(struct nic
*nic
)
929 gdm_wimax_rcv_with_cb(nic
, prepare_rx_complete
, nic
);
932 static struct net_device_ops gdm_netdev_ops
= {
933 .ndo_open
= gdm_wimax_open
,
934 .ndo_stop
= gdm_wimax_close
,
935 .ndo_set_config
= gdm_wimax_set_config
,
936 .ndo_start_xmit
= gdm_wimax_tx
,
937 .ndo_get_stats
= gdm_wimax_stats
,
938 .ndo_set_mac_address
= gdm_wimax_set_mac_addr
,
939 .ndo_do_ioctl
= gdm_wimax_ioctl
,
942 int register_wimax_device(struct phy_dev
*phy_dev
, struct device
*pdev
)
944 struct nic
*nic
= NULL
;
945 struct net_device
*dev
;
948 dev
= (struct net_device
*)alloc_netdev(sizeof(*nic
),
949 "wm%d", ether_setup
);
952 printk(KERN_ERR
"alloc_etherdev failed\n");
956 SET_NETDEV_DEV(dev
, pdev
);
958 dev
->netdev_ops
= &gdm_netdev_ops
;
959 dev
->flags
&= ~IFF_MULTICAST
;
960 memcpy(dev
->dev_addr
, gdm_wimax_macaddr
, sizeof(gdm_wimax_macaddr
));
962 nic
= netdev_priv(dev
);
963 memset(nic
, 0, sizeof(*nic
));
966 nic
->phy_dev
= phy_dev
;
967 phy_dev
->netdev
= dev
;
969 /* event socket init */
970 ret
= gdm_wimax_event_init();
972 printk(KERN_ERR
"Cannot create event.\n");
976 ret
= register_netdev(dev
);
980 #if defined(LOOPBACK_TEST)
981 netif_start_queue(dev
);
982 netif_carrier_on(dev
);
984 netif_carrier_off(dev
);
987 #ifdef CONFIG_WIMAX_GDM72XX_QOS
993 /* Prepare WiMax device */
994 gdm_wimax_prepare_device(dev
);
999 printk(KERN_ERR
"register_netdev failed\n");
1004 void unregister_wimax_device(struct phy_dev
*phy_dev
)
1006 struct nic
*nic
= netdev_priv(phy_dev
->netdev
);
1007 struct fsm_s
*fsm
= (struct fsm_s
*) nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
1010 fsm
->m_status
= M_INIT
;
1011 unregister_netdev(nic
->netdev
);
1013 gdm_wimax_event_exit();
1015 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
1016 gdm_qos_release_list(nic
);
1019 gdm_wimax_cleanup_ioctl(phy_dev
->netdev
);
1021 free_netdev(nic
->netdev
);