Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved. |
| 3 | * |
| 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. |
| 7 | * |
| 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. |
| 12 | */ |
| 13 | |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 14 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 15 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 16 | #include <linux/etherdevice.h> |
| 17 | #include <asm/byteorder.h> |
| 18 | #include <linux/ip.h> |
| 19 | #include <linux/ipv6.h> |
| 20 | #include <linux/udp.h> |
| 21 | #include <linux/in.h> |
| 22 | |
| 23 | #include "gdm_wimax.h" |
| 24 | #include "hci.h" |
| 25 | #include "wm_ioctl.h" |
| 26 | #include "netlink_k.h" |
| 27 | |
| 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) |
| 34 | |
| 35 | #define EVT_MAX_SIZE 2048 |
| 36 | |
| 37 | struct evt_entry { |
Michalis Pappas | ac1a3bf | 2014-05-09 18:08:28 +0800 | [diff] [blame] | 38 | struct list_head list; |
| 39 | struct net_device *dev; |
| 40 | char evt_data[EVT_MAX_SIZE]; |
| 41 | int size; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 42 | }; |
| 43 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 44 | static struct { |
| 45 | int ref_cnt; |
| 46 | struct sock *sock; |
| 47 | struct list_head evtq; |
| 48 | spinlock_t evt_lock; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 49 | struct list_head freeq; |
| 50 | struct work_struct ws; |
| 51 | } wm_event; |
| 52 | |
| 53 | static u8 gdm_wimax_macaddr[6] = {0x00, 0x0a, 0x3b, 0xf0, 0x01, 0x30}; |
| 54 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 55 | static inline int gdm_wimax_header(struct sk_buff **pskb) |
| 56 | { |
| 57 | u16 buf[HCI_HEADER_SIZE / sizeof(u16)]; |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 58 | struct hci_s *hci = (struct hci_s *)buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 59 | struct sk_buff *skb = *pskb; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 60 | |
| 61 | if (unlikely(skb_headroom(skb) < HCI_HEADER_SIZE)) { |
| 62 | struct sk_buff *skb2; |
| 63 | |
| 64 | skb2 = skb_realloc_headroom(skb, HCI_HEADER_SIZE); |
| 65 | if (skb2 == NULL) |
| 66 | return -ENOMEM; |
| 67 | if (skb->sk) |
| 68 | skb_set_owner_w(skb2, skb->sk); |
| 69 | kfree_skb(skb); |
| 70 | skb = skb2; |
| 71 | } |
| 72 | |
| 73 | skb_push(skb, HCI_HEADER_SIZE); |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 74 | hci->cmd_evt = cpu_to_be16(WIMAX_TX_SDU); |
| 75 | hci->length = cpu_to_be16(skb->len - HCI_HEADER_SIZE); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 76 | memcpy(skb->data, buf, HCI_HEADER_SIZE); |
| 77 | |
| 78 | *pskb = skb; |
Gengis Dave | 8a5e7b0 | 2014-05-23 01:07:13 +0200 | [diff] [blame] | 79 | return 0; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 80 | } |
| 81 | |
Michalis Pappas | 1aa8ae7 | 2014-07-09 20:44:18 +0100 | [diff] [blame] | 82 | static inline struct evt_entry *alloc_event_entry(void) |
| 83 | { |
| 84 | return kmalloc(sizeof(struct evt_entry), GFP_ATOMIC); |
| 85 | } |
| 86 | |
| 87 | static inline void free_event_entry(struct evt_entry *e) |
| 88 | { |
| 89 | kfree(e); |
| 90 | } |
| 91 | |
| 92 | static struct evt_entry *get_event_entry(void) |
| 93 | { |
| 94 | struct evt_entry *e; |
| 95 | |
| 96 | if (list_empty(&wm_event.freeq)) { |
| 97 | e = alloc_event_entry(); |
| 98 | } else { |
| 99 | e = list_entry(wm_event.freeq.next, struct evt_entry, list); |
| 100 | list_del(&e->list); |
| 101 | } |
| 102 | |
| 103 | return e; |
| 104 | } |
| 105 | |
| 106 | static void put_event_entry(struct evt_entry *e) |
| 107 | { |
| 108 | BUG_ON(!e); |
| 109 | |
| 110 | list_add_tail(&e->list, &wm_event.freeq); |
| 111 | } |
| 112 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 113 | static void gdm_wimax_event_rcv(struct net_device *dev, u16 type, void *msg, |
| 114 | int len) |
| 115 | { |
| 116 | struct nic *nic = netdev_priv(dev); |
| 117 | |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 118 | u8 *buf = (u8 *)msg; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 119 | u16 hci_cmd = (buf[0]<<8) | buf[1]; |
| 120 | u16 hci_len = (buf[2]<<8) | buf[3]; |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 121 | |
Kristina Martšenko | 8943a92 | 2014-03-15 01:10:05 +0200 | [diff] [blame] | 122 | netdev_dbg(dev, "H=>D: 0x%04x(%d)\n", hci_cmd, hci_len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 123 | |
| 124 | gdm_wimax_send(nic, msg, len); |
| 125 | } |
| 126 | |
Michalis Pappas | 1aa8ae7 | 2014-07-09 20:44:18 +0100 | [diff] [blame] | 127 | static void __gdm_wimax_event_send(struct work_struct *work) |
| 128 | { |
| 129 | int idx; |
| 130 | unsigned long flags; |
| 131 | struct evt_entry *e; |
| 132 | |
| 133 | spin_lock_irqsave(&wm_event.evt_lock, flags); |
| 134 | |
| 135 | while (!list_empty(&wm_event.evtq)) { |
| 136 | e = list_entry(wm_event.evtq.next, struct evt_entry, list); |
| 137 | spin_unlock_irqrestore(&wm_event.evt_lock, flags); |
| 138 | |
| 139 | if (sscanf(e->dev->name, "wm%d", &idx) == 1) |
| 140 | netlink_send(wm_event.sock, idx, 0, e->evt_data, |
| 141 | e->size); |
| 142 | |
| 143 | spin_lock_irqsave(&wm_event.evt_lock, flags); |
| 144 | list_del(&e->list); |
| 145 | put_event_entry(e); |
| 146 | } |
| 147 | |
| 148 | spin_unlock_irqrestore(&wm_event.evt_lock, flags); |
| 149 | } |
| 150 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 151 | static int gdm_wimax_event_init(void) |
| 152 | { |
Devendra Naga | 8df858e | 2012-07-12 11:57:25 +0545 | [diff] [blame] | 153 | if (!wm_event.ref_cnt) { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 154 | wm_event.sock = netlink_init(NETLINK_WIMAX, |
| 155 | gdm_wimax_event_rcv); |
Ben Chan | 472aba5 | 2012-07-24 07:49:42 -0700 | [diff] [blame] | 156 | if (wm_event.sock) { |
| 157 | INIT_LIST_HEAD(&wm_event.evtq); |
| 158 | INIT_LIST_HEAD(&wm_event.freeq); |
| 159 | INIT_WORK(&wm_event.ws, __gdm_wimax_event_send); |
| 160 | spin_lock_init(&wm_event.evt_lock); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | if (wm_event.sock) { |
| 165 | wm_event.ref_cnt++; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 166 | return 0; |
| 167 | } |
| 168 | |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 169 | pr_err("Creating WiMax Event netlink is failed\n"); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 170 | return -1; |
| 171 | } |
| 172 | |
| 173 | static void gdm_wimax_event_exit(void) |
| 174 | { |
| 175 | if (wm_event.sock && --wm_event.ref_cnt == 0) { |
| 176 | struct evt_entry *e, *temp; |
| 177 | unsigned long flags; |
| 178 | |
| 179 | spin_lock_irqsave(&wm_event.evt_lock, flags); |
| 180 | |
| 181 | list_for_each_entry_safe(e, temp, &wm_event.evtq, list) { |
| 182 | list_del(&e->list); |
| 183 | free_event_entry(e); |
| 184 | } |
| 185 | list_for_each_entry_safe(e, temp, &wm_event.freeq, list) { |
| 186 | list_del(&e->list); |
| 187 | free_event_entry(e); |
| 188 | } |
| 189 | |
| 190 | spin_unlock_irqrestore(&wm_event.evt_lock, flags); |
| 191 | netlink_exit(wm_event.sock); |
| 192 | wm_event.sock = NULL; |
| 193 | } |
| 194 | } |
| 195 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 196 | static int gdm_wimax_event_send(struct net_device *dev, char *buf, int size) |
| 197 | { |
| 198 | struct evt_entry *e; |
| 199 | unsigned long flags; |
| 200 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 201 | u16 hci_cmd = ((u8)buf[0]<<8) | (u8)buf[1]; |
| 202 | u16 hci_len = ((u8)buf[2]<<8) | (u8)buf[3]; |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 203 | |
Kristina Martšenko | 8943a92 | 2014-03-15 01:10:05 +0200 | [diff] [blame] | 204 | netdev_dbg(dev, "D=>H: 0x%04x(%d)\n", hci_cmd, hci_len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 205 | |
| 206 | spin_lock_irqsave(&wm_event.evt_lock, flags); |
| 207 | |
| 208 | e = get_event_entry(); |
| 209 | if (!e) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 210 | netdev_err(dev, "%s: No memory for event\n", __func__); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 211 | spin_unlock_irqrestore(&wm_event.evt_lock, flags); |
| 212 | return -ENOMEM; |
| 213 | } |
| 214 | |
| 215 | e->dev = dev; |
| 216 | e->size = size; |
| 217 | memcpy(e->evt_data, buf, size); |
| 218 | |
| 219 | list_add_tail(&e->list, &wm_event.evtq); |
| 220 | spin_unlock_irqrestore(&wm_event.evt_lock, flags); |
| 221 | |
| 222 | schedule_work(&wm_event.ws); |
| 223 | |
| 224 | return 0; |
| 225 | } |
| 226 | |
| 227 | static void tx_complete(void *arg) |
| 228 | { |
| 229 | struct nic *nic = arg; |
| 230 | |
| 231 | if (netif_queue_stopped(nic->netdev)) |
| 232 | netif_wake_queue(nic->netdev); |
| 233 | } |
| 234 | |
| 235 | int gdm_wimax_send_tx(struct sk_buff *skb, struct net_device *dev) |
| 236 | { |
| 237 | int ret = 0; |
| 238 | struct nic *nic = netdev_priv(dev); |
| 239 | |
Davide Gianforte | a3709f7 | 2014-05-23 22:06:44 +0200 | [diff] [blame] | 240 | ret = gdm_wimax_send_with_cb(nic, skb->data, skb->len, tx_complete, |
| 241 | nic); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 242 | if (ret == -ENOSPC) { |
| 243 | netif_stop_queue(dev); |
| 244 | ret = 0; |
| 245 | } |
| 246 | |
| 247 | if (ret) { |
| 248 | skb_pull(skb, HCI_HEADER_SIZE); |
| 249 | return ret; |
| 250 | } |
| 251 | |
Tobias Klauser | b92274e | 2014-07-08 08:47:47 +0200 | [diff] [blame] | 252 | dev->stats.tx_packets++; |
| 253 | dev->stats.tx_bytes += skb->len - HCI_HEADER_SIZE; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 254 | kfree_skb(skb); |
| 255 | return ret; |
| 256 | } |
| 257 | |
| 258 | static int gdm_wimax_tx(struct sk_buff *skb, struct net_device *dev) |
| 259 | { |
| 260 | int ret = 0; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 261 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 262 | ret = gdm_wimax_header(&skb); |
| 263 | if (ret < 0) { |
| 264 | skb_pull(skb, HCI_HEADER_SIZE); |
| 265 | return ret; |
| 266 | } |
| 267 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 268 | #if defined(CONFIG_WIMAX_GDM72XX_QOS) |
| 269 | ret = gdm_qos_send_hci_pkt(skb, dev); |
| 270 | #else |
| 271 | ret = gdm_wimax_send_tx(skb, dev); |
| 272 | #endif |
| 273 | return ret; |
| 274 | } |
| 275 | |
| 276 | static int gdm_wimax_set_config(struct net_device *dev, struct ifmap *map) |
| 277 | { |
| 278 | if (dev->flags & IFF_UP) |
| 279 | return -EBUSY; |
| 280 | |
| 281 | return 0; |
| 282 | } |
| 283 | |
| 284 | static void __gdm_wimax_set_mac_addr(struct net_device *dev, char *mac_addr) |
| 285 | { |
| 286 | u16 hci_pkt_buf[32 / sizeof(u16)]; |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 287 | struct hci_s *hci = (struct hci_s *)hci_pkt_buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 288 | struct nic *nic = netdev_priv(dev); |
| 289 | |
| 290 | /* Since dev is registered as a ethernet device, |
| 291 | * ether_setup has made dev->addr_len to be ETH_ALEN |
| 292 | */ |
| 293 | memcpy(dev->dev_addr, mac_addr, dev->addr_len); |
| 294 | |
| 295 | /* Let lower layer know of this change by sending |
| 296 | * SetInformation(MAC Address) |
| 297 | */ |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 298 | hci->cmd_evt = cpu_to_be16(WIMAX_SET_INFO); |
| 299 | hci->length = cpu_to_be16(8); |
| 300 | hci->data[0] = 0; /* T */ |
| 301 | hci->data[1] = 6; /* L */ |
| 302 | memcpy(&hci->data[2], mac_addr, dev->addr_len); /* V */ |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 303 | |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 304 | gdm_wimax_send(nic, hci, HCI_HEADER_SIZE + 8); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | /* A driver function */ |
| 308 | static int gdm_wimax_set_mac_addr(struct net_device *dev, void *p) |
| 309 | { |
| 310 | struct sockaddr *addr = p; |
| 311 | |
| 312 | if (netif_running(dev)) |
| 313 | return -EBUSY; |
| 314 | |
| 315 | if (!is_valid_ether_addr(addr->sa_data)) |
| 316 | return -EADDRNOTAVAIL; |
| 317 | |
| 318 | __gdm_wimax_set_mac_addr(dev, addr->sa_data); |
| 319 | |
| 320 | return 0; |
| 321 | } |
| 322 | |
Michalis Pappas | 1aa8ae7 | 2014-07-09 20:44:18 +0100 | [diff] [blame] | 323 | static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up) |
| 324 | { |
| 325 | u16 buf[32 / sizeof(u16)]; |
| 326 | struct hci_s *hci = (struct hci_s *)buf; |
| 327 | unsigned char up_down; |
| 328 | |
| 329 | up_down = if_up ? WIMAX_IF_UP : WIMAX_IF_DOWN; |
| 330 | |
| 331 | /* Indicate updating fsm */ |
| 332 | hci->cmd_evt = cpu_to_be16(WIMAX_IF_UPDOWN); |
| 333 | hci->length = cpu_to_be16(sizeof(up_down)); |
| 334 | hci->data[0] = up_down; |
| 335 | |
| 336 | gdm_wimax_event_send(dev, (char *)hci, HCI_HEADER_SIZE+sizeof(up_down)); |
| 337 | } |
| 338 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 339 | static int gdm_wimax_open(struct net_device *dev) |
| 340 | { |
| 341 | struct nic *nic = netdev_priv(dev); |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 342 | struct fsm_s *fsm = (struct fsm_s *)nic->sdk_data[SIOC_DATA_FSM].buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 343 | |
| 344 | netif_start_queue(dev); |
| 345 | |
| 346 | if (fsm && fsm->m_status != M_INIT) |
| 347 | gdm_wimax_ind_if_updown(dev, 1); |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | static int gdm_wimax_close(struct net_device *dev) |
| 352 | { |
| 353 | struct nic *nic = netdev_priv(dev); |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 354 | struct fsm_s *fsm = (struct fsm_s *)nic->sdk_data[SIOC_DATA_FSM].buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 355 | |
| 356 | netif_stop_queue(dev); |
| 357 | |
| 358 | if (fsm && fsm->m_status != M_INIT) |
| 359 | gdm_wimax_ind_if_updown(dev, 0); |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | static void kdelete(void **buf) |
| 364 | { |
| 365 | if (buf && *buf) { |
| 366 | kfree(*buf); |
| 367 | *buf = NULL; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | static int gdm_wimax_ioctl_get_data(struct data_s *dst, struct data_s *src) |
| 372 | { |
| 373 | int size; |
| 374 | |
| 375 | size = dst->size < src->size ? dst->size : src->size; |
| 376 | |
| 377 | dst->size = size; |
| 378 | if (src->size) { |
| 379 | if (!dst->buf) |
| 380 | return -EINVAL; |
Monam Agarwal | f10490e | 2014-03-06 03:12:30 +0530 | [diff] [blame] | 381 | if (copy_to_user((void __user *)dst->buf, src->buf, size)) |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 382 | return -EFAULT; |
| 383 | } |
| 384 | return 0; |
| 385 | } |
| 386 | |
| 387 | static int gdm_wimax_ioctl_set_data(struct data_s *dst, struct data_s *src) |
| 388 | { |
| 389 | if (!src->size) { |
| 390 | dst->size = 0; |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | if (!src->buf) |
| 395 | return -EINVAL; |
| 396 | |
| 397 | if (!(dst->buf && dst->size == src->size)) { |
| 398 | kdelete(&dst->buf); |
| 399 | dst->buf = kmalloc(src->size, GFP_KERNEL); |
| 400 | if (dst->buf == NULL) |
| 401 | return -ENOMEM; |
| 402 | } |
| 403 | |
Monam Agarwal | f10490e | 2014-03-06 03:12:30 +0530 | [diff] [blame] | 404 | if (copy_from_user(dst->buf, (void __user *)src->buf, src->size)) { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 405 | kdelete(&dst->buf); |
| 406 | return -EFAULT; |
| 407 | } |
| 408 | dst->size = src->size; |
| 409 | return 0; |
| 410 | } |
| 411 | |
| 412 | static void gdm_wimax_cleanup_ioctl(struct net_device *dev) |
| 413 | { |
| 414 | struct nic *nic = netdev_priv(dev); |
| 415 | int i; |
| 416 | |
| 417 | for (i = 0; i < SIOC_DATA_MAX; i++) |
| 418 | kdelete(&nic->sdk_data[i].buf); |
| 419 | } |
| 420 | |
Michalis Pappas | 1aa8ae7 | 2014-07-09 20:44:18 +0100 | [diff] [blame] | 421 | static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm) |
| 422 | { |
| 423 | u16 buf[32 / sizeof(u16)]; |
| 424 | struct hci_s *hci = (struct hci_s *)buf; |
| 425 | |
| 426 | /* Indicate updating fsm */ |
| 427 | hci->cmd_evt = cpu_to_be16(WIMAX_FSM_UPDATE); |
| 428 | hci->length = cpu_to_be16(sizeof(struct fsm_s)); |
| 429 | memcpy(&hci->data[0], fsm, sizeof(struct fsm_s)); |
| 430 | |
| 431 | gdm_wimax_event_send(dev, (char *)hci, |
| 432 | HCI_HEADER_SIZE + sizeof(struct fsm_s)); |
| 433 | } |
| 434 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 435 | static void gdm_update_fsm(struct net_device *dev, struct fsm_s *new_fsm) |
| 436 | { |
| 437 | struct nic *nic = netdev_priv(dev); |
Davide Gianforte | a3709f7 | 2014-05-23 22:06:44 +0200 | [diff] [blame] | 438 | struct fsm_s *cur_fsm = (struct fsm_s *) |
| 439 | nic->sdk_data[SIOC_DATA_FSM].buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 440 | |
| 441 | if (!cur_fsm) |
| 442 | return; |
| 443 | |
| 444 | if (cur_fsm->m_status != new_fsm->m_status || |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 445 | cur_fsm->c_status != new_fsm->c_status) { |
Michalis Pappas | 71fd11e | 2014-05-09 18:08:25 +0800 | [diff] [blame] | 446 | if (new_fsm->m_status == M_CONNECTED) { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 447 | netif_carrier_on(dev); |
Michalis Pappas | 71fd11e | 2014-05-09 18:08:25 +0800 | [diff] [blame] | 448 | } else if (cur_fsm->m_status == M_CONNECTED) { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 449 | netif_carrier_off(dev); |
| 450 | #if defined(CONFIG_WIMAX_GDM72XX_QOS) |
| 451 | gdm_qos_release_list(nic); |
| 452 | #endif |
| 453 | } |
| 454 | gdm_wimax_ind_fsm_update(dev, new_fsm); |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | static int gdm_wimax_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 459 | { |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 460 | struct wm_req_s *req = (struct wm_req_s *)ifr; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 461 | struct nic *nic = netdev_priv(dev); |
| 462 | int ret; |
| 463 | |
| 464 | if (cmd != SIOCWMIOCTL) |
| 465 | return -EOPNOTSUPP; |
| 466 | |
| 467 | switch (req->cmd) { |
| 468 | case SIOCG_DATA: |
| 469 | case SIOCS_DATA: |
| 470 | if (req->data_id >= SIOC_DATA_MAX) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 471 | netdev_err(dev, "%s error: data-index(%d) is invalid!!\n", |
| 472 | __func__, req->data_id); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 473 | return -EOPNOTSUPP; |
| 474 | } |
| 475 | if (req->cmd == SIOCG_DATA) { |
Davide Gianforte | a3709f7 | 2014-05-23 22:06:44 +0200 | [diff] [blame] | 476 | ret = gdm_wimax_ioctl_get_data( |
| 477 | &req->data, &nic->sdk_data[req->data_id]); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 478 | if (ret < 0) |
| 479 | return ret; |
| 480 | } else if (req->cmd == SIOCS_DATA) { |
| 481 | if (req->data_id == SIOC_DATA_FSM) { |
Ben Chan | e7d374e | 2014-06-24 00:55:58 -0700 | [diff] [blame] | 482 | /* NOTE: gdm_update_fsm should be called |
| 483 | * before gdm_wimax_ioctl_set_data is called. |
| 484 | */ |
Davide Gianforte | a3709f7 | 2014-05-23 22:06:44 +0200 | [diff] [blame] | 485 | gdm_update_fsm(dev, |
| 486 | (struct fsm_s *)req->data.buf); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 487 | } |
| 488 | ret = gdm_wimax_ioctl_set_data( |
| 489 | &nic->sdk_data[req->data_id], &req->data); |
| 490 | if (ret < 0) |
| 491 | return ret; |
| 492 | } |
| 493 | break; |
| 494 | default: |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 495 | netdev_err(dev, "%s: %x unknown ioctl\n", __func__, cmd); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 496 | return -EOPNOTSUPP; |
| 497 | } |
| 498 | |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | static void gdm_wimax_prepare_device(struct net_device *dev) |
| 503 | { |
| 504 | struct nic *nic = netdev_priv(dev); |
| 505 | u16 buf[32 / sizeof(u16)]; |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 506 | struct hci_s *hci = (struct hci_s *)buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 507 | u16 len = 0; |
| 508 | u32 val = 0; |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 509 | __be32 val_be32; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 510 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 511 | /* GetInformation mac address */ |
| 512 | len = 0; |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 513 | hci->cmd_evt = cpu_to_be16(WIMAX_GET_INFO); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 514 | hci->data[len++] = TLV_T(T_MAC_ADDRESS); |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 515 | hci->length = cpu_to_be16(len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 516 | gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len); |
| 517 | |
Michalis Pappas | 7ba5822 | 2014-07-09 20:21:21 +0100 | [diff] [blame] | 518 | val = T_CAPABILITY_WIMAX | T_CAPABILITY_MULTI_CS; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 519 | #if defined(CONFIG_WIMAX_GDM72XX_QOS) |
Michalis Pappas | 7ba5822 | 2014-07-09 20:21:21 +0100 | [diff] [blame] | 520 | val |= T_CAPABILITY_QOS; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 521 | #endif |
| 522 | #if defined(CONFIG_WIMAX_GDM72XX_WIMAX2) |
Michalis Pappas | 7ba5822 | 2014-07-09 20:21:21 +0100 | [diff] [blame] | 523 | val |= T_CAPABILITY_AGGREGATION; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 524 | #endif |
| 525 | |
| 526 | /* Set capability */ |
| 527 | len = 0; |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 528 | hci->cmd_evt = cpu_to_be16(WIMAX_SET_INFO); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 529 | hci->data[len++] = TLV_T(T_CAPABILITY); |
| 530 | hci->data[len++] = TLV_L(T_CAPABILITY); |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 531 | val_be32 = cpu_to_be32(val); |
| 532 | memcpy(&hci->data[len], &val_be32, TLV_L(T_CAPABILITY)); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 533 | len += TLV_L(T_CAPABILITY); |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 534 | hci->length = cpu_to_be16(len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 535 | gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len); |
| 536 | |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 537 | netdev_info(dev, "GDM WiMax Set CAPABILITY: 0x%08X\n", val); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 538 | } |
| 539 | |
| 540 | static int gdm_wimax_hci_get_tlv(u8 *buf, u8 *T, u16 *L, u8 **V) |
| 541 | { |
| 542 | #define __U82U16(b) ((u16)((u8 *)(b))[0] | ((u16)((u8 *)(b))[1] << 8)) |
| 543 | int next_pos; |
| 544 | |
| 545 | *T = buf[0]; |
| 546 | if (buf[1] == 0x82) { |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 547 | *L = be16_to_cpu(__U82U16(&buf[2])); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 548 | next_pos = 1/*type*/+3/*len*/; |
| 549 | } else { |
| 550 | *L = buf[1]; |
| 551 | next_pos = 1/*type*/+1/*len*/; |
| 552 | } |
| 553 | *V = &buf[next_pos]; |
| 554 | |
| 555 | next_pos += *L/*length of val*/; |
| 556 | return next_pos; |
| 557 | } |
| 558 | |
Davide Gianforte | a3709f7 | 2014-05-23 22:06:44 +0200 | [diff] [blame] | 559 | static int gdm_wimax_get_prepared_info(struct net_device *dev, char *buf, |
| 560 | int len) |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 561 | { |
| 562 | u8 T, *V; |
| 563 | u16 L; |
| 564 | u16 cmd_evt, cmd_len; |
| 565 | int pos = HCI_HEADER_SIZE; |
| 566 | |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 567 | cmd_evt = be16_to_cpup((const __be16 *)&buf[0]); |
| 568 | cmd_len = be16_to_cpup((const __be16 *)&buf[2]); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 569 | |
| 570 | if (len < cmd_len + HCI_HEADER_SIZE) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 571 | netdev_err(dev, "%s: invalid length [%d/%d]\n", __func__, |
| 572 | cmd_len + HCI_HEADER_SIZE, len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 573 | return -1; |
| 574 | } |
| 575 | |
| 576 | if (cmd_evt == WIMAX_GET_INFO_RESULT) { |
| 577 | if (cmd_len < 2) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 578 | netdev_err(dev, "%s: len is too short [%x/%d]\n", |
| 579 | __func__, cmd_evt, len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 580 | return -1; |
| 581 | } |
| 582 | |
| 583 | pos += gdm_wimax_hci_get_tlv(&buf[pos], &T, &L, &V); |
| 584 | if (T == TLV_T(T_MAC_ADDRESS)) { |
| 585 | if (L != dev->addr_len) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 586 | netdev_err(dev, |
| 587 | "%s Invalid inofrmation result T/L [%x/%d]\n", |
| 588 | __func__, T, L); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 589 | return -1; |
| 590 | } |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 591 | netdev_info(dev, "MAC change [%pM]->[%pM]\n", |
| 592 | dev->dev_addr, V); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 593 | memcpy(dev->dev_addr, V, dev->addr_len); |
| 594 | return 1; |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | gdm_wimax_event_send(dev, buf, len); |
| 599 | return 0; |
| 600 | } |
| 601 | |
| 602 | static void gdm_wimax_netif_rx(struct net_device *dev, char *buf, int len) |
| 603 | { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 604 | struct sk_buff *skb; |
| 605 | int ret; |
| 606 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 607 | skb = dev_alloc_skb(len + 2); |
| 608 | if (!skb) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 609 | netdev_err(dev, "%s: dev_alloc_skb failed!\n", __func__); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 610 | return; |
| 611 | } |
| 612 | skb_reserve(skb, 2); |
| 613 | |
Tobias Klauser | b92274e | 2014-07-08 08:47:47 +0200 | [diff] [blame] | 614 | dev->stats.rx_packets++; |
| 615 | dev->stats.rx_bytes += len; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 616 | |
| 617 | memcpy(skb_put(skb, len), buf, len); |
| 618 | |
| 619 | skb->dev = dev; |
| 620 | skb->protocol = eth_type_trans(skb, dev); /* what will happen? */ |
| 621 | |
| 622 | ret = in_interrupt() ? netif_rx(skb) : netif_rx_ni(skb); |
| 623 | if (ret == NET_RX_DROP) |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 624 | netdev_err(dev, "%s skb dropped\n", __func__); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | static void gdm_wimax_transmit_aggr_pkt(struct net_device *dev, char *buf, |
| 628 | int len) |
| 629 | { |
| 630 | #define HCI_PADDING_BYTE 4 |
| 631 | #define HCI_RESERVED_BYTE 4 |
| 632 | struct hci_s *hci; |
| 633 | int length; |
| 634 | |
| 635 | while (len > 0) { |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 636 | hci = (struct hci_s *)buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 637 | |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 638 | if (hci->cmd_evt != cpu_to_be16(WIMAX_RX_SDU)) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 639 | netdev_err(dev, "Wrong cmd_evt(0x%04X)\n", |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 640 | be16_to_cpu(hci->cmd_evt)); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 641 | break; |
| 642 | } |
| 643 | |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 644 | length = be16_to_cpu(hci->length); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 645 | gdm_wimax_netif_rx(dev, hci->data, length); |
| 646 | |
| 647 | if (length & 0x3) { |
| 648 | /* Add padding size */ |
| 649 | length += HCI_PADDING_BYTE - (length & 0x3); |
| 650 | } |
| 651 | |
| 652 | length += HCI_HEADER_SIZE + HCI_RESERVED_BYTE; |
| 653 | len -= length; |
| 654 | buf += length; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | static void gdm_wimax_transmit_pkt(struct net_device *dev, char *buf, int len) |
| 659 | { |
| 660 | #if defined(CONFIG_WIMAX_GDM72XX_QOS) |
| 661 | struct nic *nic = netdev_priv(dev); |
| 662 | #endif |
| 663 | u16 cmd_evt, cmd_len; |
| 664 | |
| 665 | /* This code is added for certain rx packet to be ignored. */ |
| 666 | if (len == 0) |
| 667 | return; |
| 668 | |
Ben Chan | a8a175d | 2014-06-30 23:32:27 -0700 | [diff] [blame] | 669 | cmd_evt = be16_to_cpup((const __be16 *)&buf[0]); |
| 670 | cmd_len = be16_to_cpup((const __be16 *)&buf[2]); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 671 | |
| 672 | if (len < cmd_len + HCI_HEADER_SIZE) { |
| 673 | if (len) |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 674 | netdev_err(dev, "%s: invalid length [%d/%d]\n", |
| 675 | __func__, cmd_len + HCI_HEADER_SIZE, len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 676 | return; |
| 677 | } |
| 678 | |
| 679 | switch (cmd_evt) { |
| 680 | case WIMAX_RX_SDU_AGGR: |
Davide Gianforte | a3709f7 | 2014-05-23 22:06:44 +0200 | [diff] [blame] | 681 | gdm_wimax_transmit_aggr_pkt(dev, &buf[HCI_HEADER_SIZE], |
| 682 | cmd_len); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 683 | break; |
| 684 | case WIMAX_RX_SDU: |
| 685 | gdm_wimax_netif_rx(dev, &buf[HCI_HEADER_SIZE], cmd_len); |
| 686 | break; |
| 687 | #if defined(CONFIG_WIMAX_GDM72XX_QOS) |
| 688 | case WIMAX_EVT_MODEM_REPORT: |
| 689 | gdm_recv_qos_hci_packet(nic, buf, len); |
| 690 | break; |
| 691 | #endif |
| 692 | case WIMAX_SDU_TX_FLOW: |
| 693 | if (buf[4] == 0) { |
| 694 | if (!netif_queue_stopped(dev)) |
| 695 | netif_stop_queue(dev); |
| 696 | } else if (buf[4] == 1) { |
| 697 | if (netif_queue_stopped(dev)) |
| 698 | netif_wake_queue(dev); |
| 699 | } |
| 700 | break; |
| 701 | default: |
| 702 | gdm_wimax_event_send(dev, buf, len); |
| 703 | break; |
| 704 | } |
| 705 | } |
| 706 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 707 | static void rx_complete(void *arg, void *data, int len) |
| 708 | { |
| 709 | struct nic *nic = arg; |
| 710 | |
| 711 | gdm_wimax_transmit_pkt(nic->netdev, data, len); |
| 712 | gdm_wimax_rcv_with_cb(nic, rx_complete, nic); |
| 713 | } |
| 714 | |
| 715 | static void prepare_rx_complete(void *arg, void *data, int len) |
| 716 | { |
| 717 | struct nic *nic = arg; |
| 718 | int ret; |
| 719 | |
| 720 | ret = gdm_wimax_get_prepared_info(nic->netdev, data, len); |
Michalis Pappas | 71fd11e | 2014-05-09 18:08:25 +0800 | [diff] [blame] | 721 | if (ret == 1) { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 722 | gdm_wimax_rcv_with_cb(nic, rx_complete, nic); |
Michalis Pappas | 71fd11e | 2014-05-09 18:08:25 +0800 | [diff] [blame] | 723 | } else { |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 724 | if (ret < 0) |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 725 | netdev_err(nic->netdev, |
| 726 | "get_prepared_info failed(%d)\n", ret); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 727 | gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 728 | } |
| 729 | } |
| 730 | |
| 731 | static void start_rx_proc(struct nic *nic) |
| 732 | { |
| 733 | gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic); |
| 734 | } |
| 735 | |
| 736 | static struct net_device_ops gdm_netdev_ops = { |
Michalis Pappas | ac1a3bf | 2014-05-09 18:08:28 +0800 | [diff] [blame] | 737 | .ndo_open = gdm_wimax_open, |
| 738 | .ndo_stop = gdm_wimax_close, |
| 739 | .ndo_set_config = gdm_wimax_set_config, |
| 740 | .ndo_start_xmit = gdm_wimax_tx, |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 741 | .ndo_set_mac_address = gdm_wimax_set_mac_addr, |
Michalis Pappas | ac1a3bf | 2014-05-09 18:08:28 +0800 | [diff] [blame] | 742 | .ndo_do_ioctl = gdm_wimax_ioctl, |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 743 | }; |
| 744 | |
Paul Stewart | 54bc1ff | 2012-05-17 11:15:10 -0700 | [diff] [blame] | 745 | int register_wimax_device(struct phy_dev *phy_dev, struct device *pdev) |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 746 | { |
| 747 | struct nic *nic = NULL; |
| 748 | struct net_device *dev; |
| 749 | int ret; |
| 750 | |
Tom Gundersen | c835a67 | 2014-07-14 16:37:24 +0200 | [diff] [blame] | 751 | dev = alloc_netdev(sizeof(*nic), "wm%d", NET_NAME_UNKNOWN, |
| 752 | ether_setup); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 753 | |
| 754 | if (dev == NULL) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 755 | pr_err("alloc_etherdev failed\n"); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 756 | return -ENOMEM; |
| 757 | } |
| 758 | |
Paul Stewart | 54bc1ff | 2012-05-17 11:15:10 -0700 | [diff] [blame] | 759 | SET_NETDEV_DEV(dev, pdev); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 760 | dev->mtu = 1400; |
| 761 | dev->netdev_ops = &gdm_netdev_ops; |
| 762 | dev->flags &= ~IFF_MULTICAST; |
| 763 | memcpy(dev->dev_addr, gdm_wimax_macaddr, sizeof(gdm_wimax_macaddr)); |
| 764 | |
| 765 | nic = netdev_priv(dev); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 766 | nic->netdev = dev; |
| 767 | nic->phy_dev = phy_dev; |
| 768 | phy_dev->netdev = dev; |
| 769 | |
| 770 | /* event socket init */ |
| 771 | ret = gdm_wimax_event_init(); |
| 772 | if (ret < 0) { |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 773 | pr_err("Cannot create event.\n"); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 774 | goto cleanup; |
| 775 | } |
| 776 | |
| 777 | ret = register_netdev(dev); |
| 778 | if (ret) |
| 779 | goto cleanup; |
| 780 | |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 781 | netif_carrier_off(dev); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 782 | |
| 783 | #ifdef CONFIG_WIMAX_GDM72XX_QOS |
| 784 | gdm_qos_init(nic); |
| 785 | #endif |
| 786 | |
| 787 | start_rx_proc(nic); |
| 788 | |
| 789 | /* Prepare WiMax device */ |
| 790 | gdm_wimax_prepare_device(dev); |
| 791 | |
| 792 | return 0; |
| 793 | |
| 794 | cleanup: |
YAMANE Toshiaki | f57cee1 | 2012-10-29 20:03:47 +0900 | [diff] [blame] | 795 | pr_err("register_netdev failed\n"); |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 796 | free_netdev(dev); |
| 797 | return ret; |
| 798 | } |
| 799 | |
| 800 | void unregister_wimax_device(struct phy_dev *phy_dev) |
| 801 | { |
| 802 | struct nic *nic = netdev_priv(phy_dev->netdev); |
Michalis Pappas | 39c511f | 2014-05-09 18:08:27 +0800 | [diff] [blame] | 803 | struct fsm_s *fsm = (struct fsm_s *)nic->sdk_data[SIOC_DATA_FSM].buf; |
Sage Ahn | 247e9cf | 2012-05-15 13:20:36 +0900 | [diff] [blame] | 804 | |
| 805 | if (fsm) |
| 806 | fsm->m_status = M_INIT; |
| 807 | unregister_netdev(nic->netdev); |
| 808 | |
| 809 | gdm_wimax_event_exit(); |
| 810 | |
| 811 | #if defined(CONFIG_WIMAX_GDM72XX_QOS) |
| 812 | gdm_qos_release_list(nic); |
| 813 | #endif |
| 814 | |
| 815 | gdm_wimax_cleanup_ioctl(phy_dev->netdev); |
| 816 | |
| 817 | free_netdev(nic->netdev); |
| 818 | } |