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
;
55 struct list_head freeq
;
56 struct work_struct ws
;
59 static u8 gdm_wimax_macaddr
[6] = {0x00, 0x0a, 0x3b, 0xf0, 0x01, 0x30};
61 static void gdm_wimax_ind_fsm_update(struct net_device
*dev
, struct fsm_s
*fsm
);
62 static void gdm_wimax_ind_if_updown(struct net_device
*dev
, int if_up
);
64 static const char *get_protocol_name(u16 protocol
)
67 const char *name
= "-";
81 sprintf(buf
, "0x%04x(%s)", protocol
, name
);
85 static const char *get_ip_protocol_name(u8 ip_protocol
)
88 const char *name
= "-";
90 switch (ip_protocol
) {
102 sprintf(buf
, "%u(%s)", ip_protocol
, name
);
106 static const char *get_port_name(u16 port
)
109 const char *name
= "-";
113 name
= "DHCP-Server";
116 name
= "DHCP-Client";
123 sprintf(buf
, "%u(%s)", port
, name
);
127 static void dump_eth_packet(struct net_device
*dev
, const char *title
,
130 struct iphdr
*ih
= NULL
;
131 struct udphdr
*uh
= NULL
;
136 protocol
= (data
[12]<<8) | data
[13];
137 ih
= (struct iphdr
*)(data
+ETH_HLEN
);
139 if (protocol
== ETH_P_IP
) {
140 uh
= (struct udphdr
*)((char *)ih
+ sizeof(struct iphdr
));
141 ip_protocol
= ih
->protocol
;
142 port
= ntohs(uh
->dest
);
143 } else if (protocol
== ETH_P_IPV6
) {
144 struct ipv6hdr
*i6h
= (struct ipv6hdr
*)data
;
146 uh
= (struct udphdr
*)((char *)i6h
+ sizeof(struct ipv6hdr
));
147 ip_protocol
= i6h
->nexthdr
;
148 port
= ntohs(uh
->dest
);
151 netdev_dbg(dev
, "[%s] len=%d, %s, %s, %s\n", title
, len
,
152 get_protocol_name(protocol
),
153 get_ip_protocol_name(ip_protocol
),
154 get_port_name(port
));
156 if (!(data
[0] == 0xff && data
[1] == 0xff)) {
157 if (protocol
== ETH_P_IP
)
158 netdev_dbg(dev
, " src=%pI4\n", &ih
->saddr
);
159 else if (protocol
== ETH_P_IPV6
)
160 netdev_dbg(dev
, " src=%pI6\n", &ih
->saddr
);
163 print_hex_dump_debug("", DUMP_PREFIX_NONE
, 16, 1, data
, len
, false);
166 static inline int gdm_wimax_header(struct sk_buff
**pskb
)
168 u16 buf
[HCI_HEADER_SIZE
/ sizeof(u16
)];
169 struct sk_buff
*skb
= *pskb
;
171 if (unlikely(skb_headroom(skb
) < HCI_HEADER_SIZE
)) {
172 struct sk_buff
*skb2
;
174 skb2
= skb_realloc_headroom(skb
, HCI_HEADER_SIZE
);
178 skb_set_owner_w(skb2
, skb
->sk
);
183 skb_push(skb
, HCI_HEADER_SIZE
);
184 buf
[0] = H2B(WIMAX_TX_SDU
);
185 buf
[1] = H2B(skb
->len
- HCI_HEADER_SIZE
);
186 memcpy(skb
->data
, buf
, HCI_HEADER_SIZE
);
192 static void gdm_wimax_event_rcv(struct net_device
*dev
, u16 type
, void *msg
,
195 struct nic
*nic
= netdev_priv(dev
);
198 u16 hci_cmd
= (buf
[0]<<8) | buf
[1];
199 u16 hci_len
= (buf
[2]<<8) | buf
[3];
201 netdev_dbg(dev
, "H=>D: 0x%04x(%d)\n", hci_cmd
, hci_len
);
203 gdm_wimax_send(nic
, msg
, len
);
206 static int gdm_wimax_event_init(void)
208 if (!wm_event
.ref_cnt
) {
209 wm_event
.sock
= netlink_init(NETLINK_WIMAX
,
210 gdm_wimax_event_rcv
);
212 INIT_LIST_HEAD(&wm_event
.evtq
);
213 INIT_LIST_HEAD(&wm_event
.freeq
);
214 INIT_WORK(&wm_event
.ws
, __gdm_wimax_event_send
);
215 spin_lock_init(&wm_event
.evt_lock
);
224 pr_err("Creating WiMax Event netlink is failed\n");
228 static void gdm_wimax_event_exit(void)
230 if (wm_event
.sock
&& --wm_event
.ref_cnt
== 0) {
231 struct evt_entry
*e
, *temp
;
234 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
236 list_for_each_entry_safe(e
, temp
, &wm_event
.evtq
, list
) {
240 list_for_each_entry_safe(e
, temp
, &wm_event
.freeq
, list
) {
245 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
246 netlink_exit(wm_event
.sock
);
247 wm_event
.sock
= NULL
;
251 static inline struct evt_entry
*alloc_event_entry(void)
253 return kmalloc(sizeof(struct evt_entry
), GFP_ATOMIC
);
256 static inline void free_event_entry(struct evt_entry
*e
)
261 static struct evt_entry
*get_event_entry(void)
265 if (list_empty(&wm_event
.freeq
)) {
266 e
= alloc_event_entry();
268 e
= list_entry(wm_event
.freeq
.next
, struct evt_entry
, list
);
275 static void put_event_entry(struct evt_entry
*e
)
279 list_add_tail(&e
->list
, &wm_event
.freeq
);
282 static void __gdm_wimax_event_send(struct work_struct
*work
)
288 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
290 while (!list_empty(&wm_event
.evtq
)) {
291 e
= list_entry(wm_event
.evtq
.next
, struct evt_entry
, list
);
292 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
294 sscanf(e
->dev
->name
, "wm%d", &idx
);
295 netlink_send(wm_event
.sock
, idx
, 0, e
->evt_data
, e
->size
);
297 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
302 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
305 static int gdm_wimax_event_send(struct net_device
*dev
, char *buf
, int size
)
310 u16 hci_cmd
= ((u8
)buf
[0]<<8) | (u8
)buf
[1];
311 u16 hci_len
= ((u8
)buf
[2]<<8) | (u8
)buf
[3];
313 netdev_dbg(dev
, "D=>H: 0x%04x(%d)\n", hci_cmd
, hci_len
);
315 spin_lock_irqsave(&wm_event
.evt_lock
, flags
);
317 e
= get_event_entry();
319 netdev_err(dev
, "%s: No memory for event\n", __func__
);
320 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
326 memcpy(e
->evt_data
, buf
, size
);
328 list_add_tail(&e
->list
, &wm_event
.evtq
);
329 spin_unlock_irqrestore(&wm_event
.evt_lock
, flags
);
331 schedule_work(&wm_event
.ws
);
336 static void tx_complete(void *arg
)
338 struct nic
*nic
= arg
;
340 if (netif_queue_stopped(nic
->netdev
))
341 netif_wake_queue(nic
->netdev
);
344 int gdm_wimax_send_tx(struct sk_buff
*skb
, struct net_device
*dev
)
347 struct nic
*nic
= netdev_priv(dev
);
349 ret
= gdm_wimax_send_with_cb(nic
, skb
->data
, skb
->len
, tx_complete
,
351 if (ret
== -ENOSPC
) {
352 netif_stop_queue(dev
);
357 skb_pull(skb
, HCI_HEADER_SIZE
);
361 nic
->stats
.tx_packets
++;
362 nic
->stats
.tx_bytes
+= skb
->len
- HCI_HEADER_SIZE
;
367 static int gdm_wimax_tx(struct sk_buff
*skb
, struct net_device
*dev
)
370 struct nic
*nic
= netdev_priv(dev
);
371 struct fsm_s
*fsm
= (struct fsm_s
*)nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
373 dump_eth_packet(dev
, "TX", skb
->data
, skb
->len
);
375 ret
= gdm_wimax_header(&skb
);
377 skb_pull(skb
, HCI_HEADER_SIZE
);
381 #if !defined(LOOPBACK_TEST)
383 netdev_err(dev
, "ASSERTION ERROR: fsm is NULL!!\n");
384 } else if (fsm
->m_status
!= M_CONNECTED
) {
385 netdev_emerg(dev
, "ASSERTION ERROR: Device is NOT ready. status=%d\n",
392 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
393 ret
= gdm_qos_send_hci_pkt(skb
, dev
);
395 ret
= gdm_wimax_send_tx(skb
, dev
);
400 static int gdm_wimax_set_config(struct net_device
*dev
, struct ifmap
*map
)
402 if (dev
->flags
& IFF_UP
)
408 static void __gdm_wimax_set_mac_addr(struct net_device
*dev
, char *mac_addr
)
410 u16 hci_pkt_buf
[32 / sizeof(u16
)];
411 u8
*pkt
= (u8
*)&hci_pkt_buf
[0];
412 struct nic
*nic
= netdev_priv(dev
);
414 /* Since dev is registered as a ethernet device,
415 * ether_setup has made dev->addr_len to be ETH_ALEN
417 memcpy(dev
->dev_addr
, mac_addr
, dev
->addr_len
);
419 /* Let lower layer know of this change by sending
420 * SetInformation(MAC Address)
422 hci_pkt_buf
[0] = H2B(WIMAX_SET_INFO
); /* cmd_evt */
423 hci_pkt_buf
[1] = H2B(8); /* size */
426 memcpy(pkt
+ 6, mac_addr
, dev
->addr_len
); /* V */
428 gdm_wimax_send(nic
, pkt
, HCI_HEADER_SIZE
+ 8);
431 /* A driver function */
432 static int gdm_wimax_set_mac_addr(struct net_device
*dev
, void *p
)
434 struct sockaddr
*addr
= p
;
436 if (netif_running(dev
))
439 if (!is_valid_ether_addr(addr
->sa_data
))
440 return -EADDRNOTAVAIL
;
442 __gdm_wimax_set_mac_addr(dev
, addr
->sa_data
);
447 static struct net_device_stats
*gdm_wimax_stats(struct net_device
*dev
)
449 struct nic
*nic
= netdev_priv(dev
);
454 static int gdm_wimax_open(struct net_device
*dev
)
456 struct nic
*nic
= netdev_priv(dev
);
457 struct fsm_s
*fsm
= (struct fsm_s
*)nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
459 netif_start_queue(dev
);
461 if (fsm
&& fsm
->m_status
!= M_INIT
)
462 gdm_wimax_ind_if_updown(dev
, 1);
466 static int gdm_wimax_close(struct net_device
*dev
)
468 struct nic
*nic
= netdev_priv(dev
);
469 struct fsm_s
*fsm
= (struct fsm_s
*)nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
471 netif_stop_queue(dev
);
473 if (fsm
&& fsm
->m_status
!= M_INIT
)
474 gdm_wimax_ind_if_updown(dev
, 0);
478 static void kdelete(void **buf
)
486 static int gdm_wimax_ioctl_get_data(struct data_s
*dst
, struct data_s
*src
)
490 size
= dst
->size
< src
->size
? dst
->size
: src
->size
;
496 if (copy_to_user((void __user
*)dst
->buf
, src
->buf
, size
))
502 static int gdm_wimax_ioctl_set_data(struct data_s
*dst
, struct data_s
*src
)
512 if (!(dst
->buf
&& dst
->size
== src
->size
)) {
514 dst
->buf
= kmalloc(src
->size
, GFP_KERNEL
);
515 if (dst
->buf
== NULL
)
519 if (copy_from_user(dst
->buf
, (void __user
*)src
->buf
, src
->size
)) {
523 dst
->size
= src
->size
;
527 static void gdm_wimax_cleanup_ioctl(struct net_device
*dev
)
529 struct nic
*nic
= netdev_priv(dev
);
532 for (i
= 0; i
< SIOC_DATA_MAX
; i
++)
533 kdelete(&nic
->sdk_data
[i
].buf
);
536 static void gdm_update_fsm(struct net_device
*dev
, struct fsm_s
*new_fsm
)
538 struct nic
*nic
= netdev_priv(dev
);
539 struct fsm_s
*cur_fsm
= (struct fsm_s
*)
540 nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
545 if (cur_fsm
->m_status
!= new_fsm
->m_status
||
546 cur_fsm
->c_status
!= new_fsm
->c_status
) {
547 if (new_fsm
->m_status
== M_CONNECTED
) {
548 netif_carrier_on(dev
);
549 } else if (cur_fsm
->m_status
== M_CONNECTED
) {
550 netif_carrier_off(dev
);
551 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
552 gdm_qos_release_list(nic
);
555 gdm_wimax_ind_fsm_update(dev
, new_fsm
);
559 static int gdm_wimax_ioctl(struct net_device
*dev
, struct ifreq
*ifr
, int cmd
)
561 struct wm_req_s
*req
= (struct wm_req_s
*)ifr
;
562 struct nic
*nic
= netdev_priv(dev
);
565 if (cmd
!= SIOCWMIOCTL
)
571 if (req
->data_id
>= SIOC_DATA_MAX
) {
572 netdev_err(dev
, "%s error: data-index(%d) is invalid!!\n",
573 __func__
, req
->data_id
);
576 if (req
->cmd
== SIOCG_DATA
) {
577 ret
= gdm_wimax_ioctl_get_data(
578 &req
->data
, &nic
->sdk_data
[req
->data_id
]);
581 } else if (req
->cmd
== SIOCS_DATA
) {
582 if (req
->data_id
== SIOC_DATA_FSM
) {
583 /*NOTE: gdm_update_fsm should be called
584 before gdm_wimax_ioctl_set_data is called*/
586 (struct fsm_s
*)req
->data
.buf
);
588 ret
= gdm_wimax_ioctl_set_data(
589 &nic
->sdk_data
[req
->data_id
], &req
->data
);
595 netdev_err(dev
, "%s: %x unknown ioctl\n", __func__
, cmd
);
602 static void gdm_wimax_prepare_device(struct net_device
*dev
)
604 struct nic
*nic
= netdev_priv(dev
);
605 u16 buf
[32 / sizeof(u16
)];
606 struct hci_s
*hci
= (struct hci_s
*)buf
;
610 #define BIT_MULTI_CS 0
613 #define BIT_AGGREGATION 3
615 /* GetInformation mac address */
617 hci
->cmd_evt
= H2B(WIMAX_GET_INFO
);
618 hci
->data
[len
++] = TLV_T(T_MAC_ADDRESS
);
619 hci
->length
= H2B(len
);
620 gdm_wimax_send(nic
, hci
, HCI_HEADER_SIZE
+len
);
622 val
= (1<<BIT_WIMAX
) | (1<<BIT_MULTI_CS
);
623 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
626 #if defined(CONFIG_WIMAX_GDM72XX_WIMAX2)
627 val
|= (1<<BIT_AGGREGATION
);
632 hci
->cmd_evt
= H2B(WIMAX_SET_INFO
);
633 hci
->data
[len
++] = TLV_T(T_CAPABILITY
);
634 hci
->data
[len
++] = TLV_L(T_CAPABILITY
);
636 memcpy(&hci
->data
[len
], &val
, TLV_L(T_CAPABILITY
));
637 len
+= TLV_L(T_CAPABILITY
);
638 hci
->length
= H2B(len
);
639 gdm_wimax_send(nic
, hci
, HCI_HEADER_SIZE
+len
);
641 netdev_info(dev
, "GDM WiMax Set CAPABILITY: 0x%08X\n", DB2H(val
));
644 static int gdm_wimax_hci_get_tlv(u8
*buf
, u8
*T
, u16
*L
, u8
**V
)
646 #define __U82U16(b) ((u16)((u8 *)(b))[0] | ((u16)((u8 *)(b))[1] << 8))
650 if (buf
[1] == 0x82) {
651 *L
= B2H(__U82U16(&buf
[2]));
652 next_pos
= 1/*type*/+3/*len*/;
655 next_pos
= 1/*type*/+1/*len*/;
659 next_pos
+= *L
/*length of val*/;
663 static int gdm_wimax_get_prepared_info(struct net_device
*dev
, char *buf
,
668 u16 cmd_evt
, cmd_len
;
669 int pos
= HCI_HEADER_SIZE
;
671 cmd_evt
= B2H(*(u16
*)&buf
[0]);
672 cmd_len
= B2H(*(u16
*)&buf
[2]);
674 if (len
< cmd_len
+ HCI_HEADER_SIZE
) {
675 netdev_err(dev
, "%s: invalid length [%d/%d]\n", __func__
,
676 cmd_len
+ HCI_HEADER_SIZE
, len
);
680 if (cmd_evt
== WIMAX_GET_INFO_RESULT
) {
682 netdev_err(dev
, "%s: len is too short [%x/%d]\n",
683 __func__
, cmd_evt
, len
);
687 pos
+= gdm_wimax_hci_get_tlv(&buf
[pos
], &T
, &L
, &V
);
688 if (T
== TLV_T(T_MAC_ADDRESS
)) {
689 if (L
!= dev
->addr_len
) {
691 "%s Invalid inofrmation result T/L [%x/%d]\n",
695 netdev_info(dev
, "MAC change [%pM]->[%pM]\n",
697 memcpy(dev
->dev_addr
, V
, dev
->addr_len
);
702 gdm_wimax_event_send(dev
, buf
, len
);
706 static void gdm_wimax_netif_rx(struct net_device
*dev
, char *buf
, int len
)
708 struct nic
*nic
= netdev_priv(dev
);
712 dump_eth_packet(dev
, "RX", buf
, len
);
714 skb
= dev_alloc_skb(len
+ 2);
716 netdev_err(dev
, "%s: dev_alloc_skb failed!\n", __func__
);
721 nic
->stats
.rx_packets
++;
722 nic
->stats
.rx_bytes
+= len
;
724 memcpy(skb_put(skb
, len
), buf
, len
);
727 skb
->protocol
= eth_type_trans(skb
, dev
); /* what will happen? */
729 ret
= in_interrupt() ? netif_rx(skb
) : netif_rx_ni(skb
);
730 if (ret
== NET_RX_DROP
)
731 netdev_err(dev
, "%s skb dropped\n", __func__
);
734 static void gdm_wimax_transmit_aggr_pkt(struct net_device
*dev
, char *buf
,
737 #define HCI_PADDING_BYTE 4
738 #define HCI_RESERVED_BYTE 4
743 hci
= (struct hci_s
*)buf
;
745 if (B2H(hci
->cmd_evt
) != WIMAX_RX_SDU
) {
746 netdev_err(dev
, "Wrong cmd_evt(0x%04X)\n",
751 length
= B2H(hci
->length
);
752 gdm_wimax_netif_rx(dev
, hci
->data
, length
);
755 /* Add padding size */
756 length
+= HCI_PADDING_BYTE
- (length
& 0x3);
759 length
+= HCI_HEADER_SIZE
+ HCI_RESERVED_BYTE
;
765 static void gdm_wimax_transmit_pkt(struct net_device
*dev
, char *buf
, int len
)
767 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
768 struct nic
*nic
= netdev_priv(dev
);
770 u16 cmd_evt
, cmd_len
;
772 /* This code is added for certain rx packet to be ignored. */
776 cmd_evt
= B2H(*(u16
*)&buf
[0]);
777 cmd_len
= B2H(*(u16
*)&buf
[2]);
779 if (len
< cmd_len
+ HCI_HEADER_SIZE
) {
781 netdev_err(dev
, "%s: invalid length [%d/%d]\n",
782 __func__
, cmd_len
+ HCI_HEADER_SIZE
, len
);
787 case WIMAX_RX_SDU_AGGR
:
788 gdm_wimax_transmit_aggr_pkt(dev
, &buf
[HCI_HEADER_SIZE
],
792 gdm_wimax_netif_rx(dev
, &buf
[HCI_HEADER_SIZE
], cmd_len
);
794 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
795 case WIMAX_EVT_MODEM_REPORT
:
796 gdm_recv_qos_hci_packet(nic
, buf
, len
);
799 case WIMAX_SDU_TX_FLOW
:
801 if (!netif_queue_stopped(dev
))
802 netif_stop_queue(dev
);
803 } else if (buf
[4] == 1) {
804 if (netif_queue_stopped(dev
))
805 netif_wake_queue(dev
);
809 gdm_wimax_event_send(dev
, buf
, len
);
814 static void gdm_wimax_ind_fsm_update(struct net_device
*dev
, struct fsm_s
*fsm
)
816 u16 buf
[32 / sizeof(u16
)];
817 u8
*hci_pkt_buf
= (u8
*)&buf
[0];
819 /* Indicate updating fsm */
820 buf
[0] = H2B(WIMAX_FSM_UPDATE
);
821 buf
[1] = H2B(sizeof(struct fsm_s
));
822 memcpy(&hci_pkt_buf
[HCI_HEADER_SIZE
], fsm
, sizeof(struct fsm_s
));
824 gdm_wimax_event_send(dev
, hci_pkt_buf
,
825 HCI_HEADER_SIZE
+ sizeof(struct fsm_s
));
828 static void gdm_wimax_ind_if_updown(struct net_device
*dev
, int if_up
)
830 u16 buf
[32 / sizeof(u16
)];
831 struct hci_s
*hci
= (struct hci_s
*)buf
;
832 unsigned char up_down
;
834 up_down
= if_up
? WIMAX_IF_UP
: WIMAX_IF_DOWN
;
836 /* Indicate updating fsm */
837 hci
->cmd_evt
= H2B(WIMAX_IF_UPDOWN
);
838 hci
->length
= H2B(sizeof(up_down
));
839 hci
->data
[0] = up_down
;
841 gdm_wimax_event_send(dev
, (char *)hci
, HCI_HEADER_SIZE
+sizeof(up_down
));
844 static void rx_complete(void *arg
, void *data
, int len
)
846 struct nic
*nic
= arg
;
848 gdm_wimax_transmit_pkt(nic
->netdev
, data
, len
);
849 gdm_wimax_rcv_with_cb(nic
, rx_complete
, nic
);
852 static void prepare_rx_complete(void *arg
, void *data
, int len
)
854 struct nic
*nic
= arg
;
857 ret
= gdm_wimax_get_prepared_info(nic
->netdev
, data
, len
);
859 gdm_wimax_rcv_with_cb(nic
, rx_complete
, nic
);
862 netdev_err(nic
->netdev
,
863 "get_prepared_info failed(%d)\n", ret
);
864 gdm_wimax_rcv_with_cb(nic
, prepare_rx_complete
, nic
);
868 static void start_rx_proc(struct nic
*nic
)
870 gdm_wimax_rcv_with_cb(nic
, prepare_rx_complete
, nic
);
873 static struct net_device_ops gdm_netdev_ops
= {
874 .ndo_open
= gdm_wimax_open
,
875 .ndo_stop
= gdm_wimax_close
,
876 .ndo_set_config
= gdm_wimax_set_config
,
877 .ndo_start_xmit
= gdm_wimax_tx
,
878 .ndo_get_stats
= gdm_wimax_stats
,
879 .ndo_set_mac_address
= gdm_wimax_set_mac_addr
,
880 .ndo_do_ioctl
= gdm_wimax_ioctl
,
883 int register_wimax_device(struct phy_dev
*phy_dev
, struct device
*pdev
)
885 struct nic
*nic
= NULL
;
886 struct net_device
*dev
;
889 dev
= alloc_netdev(sizeof(*nic
), "wm%d", NET_NAME_UNKNOWN
,
893 pr_err("alloc_etherdev failed\n");
897 SET_NETDEV_DEV(dev
, pdev
);
899 dev
->netdev_ops
= &gdm_netdev_ops
;
900 dev
->flags
&= ~IFF_MULTICAST
;
901 memcpy(dev
->dev_addr
, gdm_wimax_macaddr
, sizeof(gdm_wimax_macaddr
));
903 nic
= netdev_priv(dev
);
904 memset(nic
, 0, sizeof(*nic
));
907 nic
->phy_dev
= phy_dev
;
908 phy_dev
->netdev
= dev
;
910 /* event socket init */
911 ret
= gdm_wimax_event_init();
913 pr_err("Cannot create event.\n");
917 ret
= register_netdev(dev
);
921 #if defined(LOOPBACK_TEST)
922 netif_start_queue(dev
);
923 netif_carrier_on(dev
);
925 netif_carrier_off(dev
);
928 #ifdef CONFIG_WIMAX_GDM72XX_QOS
934 /* Prepare WiMax device */
935 gdm_wimax_prepare_device(dev
);
940 pr_err("register_netdev failed\n");
945 void unregister_wimax_device(struct phy_dev
*phy_dev
)
947 struct nic
*nic
= netdev_priv(phy_dev
->netdev
);
948 struct fsm_s
*fsm
= (struct fsm_s
*)nic
->sdk_data
[SIOC_DATA_FSM
].buf
;
951 fsm
->m_status
= M_INIT
;
952 unregister_netdev(nic
->netdev
);
954 gdm_wimax_event_exit();
956 #if defined(CONFIG_WIMAX_GDM72XX_QOS)
957 gdm_qos_release_list(nic
);
960 gdm_wimax_cleanup_ioctl(phy_dev
->netdev
);
962 free_netdev(nic
->netdev
);