Commit | Line | Data |
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5b435de0 AS |
1 | /* |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
5b435de0 | 17 | #include <linux/kernel.h> |
5b435de0 | 18 | #include <linux/etherdevice.h> |
b7a57e76 | 19 | #include <linux/module.h> |
5b435de0 AS |
20 | #include <net/cfg80211.h> |
21 | #include <net/rtnetlink.h> | |
5b435de0 AS |
22 | #include <brcmu_utils.h> |
23 | #include <brcmu_wifi.h> | |
24 | ||
25 | #include "dhd.h" | |
26 | #include "dhd_bus.h" | |
27 | #include "dhd_proto.h" | |
28 | #include "dhd_dbg.h" | |
7a5c1f64 | 29 | #include "fwil_types.h" |
9f440b7b | 30 | #include "p2p.h" |
5b435de0 | 31 | #include "wl_cfg80211.h" |
db22ae8c | 32 | #include "fwil.h" |
349e7104 | 33 | #include "fwsignal.h" |
5b435de0 AS |
34 | |
35 | MODULE_AUTHOR("Broadcom Corporation"); | |
b87e2c48 | 36 | MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); |
5b435de0 AS |
37 | MODULE_LICENSE("Dual BSD/GPL"); |
38 | ||
21fff75d | 39 | #define MAX_WAIT_FOR_8021X_TX 50 /* msecs */ |
5b435de0 | 40 | |
5b435de0 | 41 | /* Error bits */ |
5e8149f5 | 42 | int brcmf_msg_level; |
1b255c92 AS |
43 | module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR); |
44 | MODULE_PARM_DESC(debug, "level of debug output"); | |
5b435de0 | 45 | |
2fde59d9 HM |
46 | /* P2P0 enable */ |
47 | static int brcmf_p2p_enable; | |
48 | #ifdef CONFIG_BRCMDBG | |
49 | module_param_named(p2pon, brcmf_p2p_enable, int, 0); | |
50 | MODULE_PARM_DESC(p2pon, "enable p2p management functionality"); | |
51 | #endif | |
5b435de0 AS |
52 | |
53 | char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) | |
54 | { | |
5b435de0 | 55 | if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { |
5e8149f5 | 56 | brcmf_err("ifidx %d out of range\n", ifidx); |
5b435de0 AS |
57 | return "<if_bad>"; |
58 | } | |
59 | ||
d08b6a37 | 60 | if (drvr->iflist[ifidx] == NULL) { |
5e8149f5 | 61 | brcmf_err("null i/f %d\n", ifidx); |
5b435de0 AS |
62 | return "<if_null>"; |
63 | } | |
64 | ||
d08b6a37 FL |
65 | if (drvr->iflist[ifidx]->ndev) |
66 | return drvr->iflist[ifidx]->ndev->name; | |
5b435de0 AS |
67 | |
68 | return "<if_none>"; | |
69 | } | |
70 | ||
71 | static void _brcmf_set_multicast_list(struct work_struct *work) | |
72 | { | |
db22ae8c | 73 | struct brcmf_if *ifp; |
5b435de0 AS |
74 | struct net_device *ndev; |
75 | struct netdev_hw_addr *ha; | |
db22ae8c | 76 | u32 cmd_value, cnt; |
5b435de0 | 77 | __le32 cnt_le; |
5b435de0 | 78 | char *buf, *bufp; |
db22ae8c HM |
79 | u32 buflen; |
80 | s32 err; | |
5b435de0 | 81 | |
bdf5ff51 | 82 | ifp = container_of(work, struct brcmf_if, multicast_work); |
94889b1f | 83 | |
2880b868 | 84 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
94889b1f | 85 | |
db22ae8c | 86 | ndev = ifp->ndev; |
5b435de0 AS |
87 | |
88 | /* Determine initial value of allmulti flag */ | |
db22ae8c | 89 | cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; |
5b435de0 AS |
90 | |
91 | /* Send down the multicast list first. */ | |
db22ae8c HM |
92 | cnt = netdev_mc_count(ndev); |
93 | buflen = sizeof(cnt) + (cnt * ETH_ALEN); | |
94 | buf = kmalloc(buflen, GFP_ATOMIC); | |
95 | if (!buf) | |
5b435de0 | 96 | return; |
db22ae8c | 97 | bufp = buf; |
5b435de0 AS |
98 | |
99 | cnt_le = cpu_to_le32(cnt); | |
db22ae8c | 100 | memcpy(bufp, &cnt_le, sizeof(cnt_le)); |
5b435de0 AS |
101 | bufp += sizeof(cnt_le); |
102 | ||
103 | netdev_for_each_mc_addr(ha, ndev) { | |
104 | if (!cnt) | |
105 | break; | |
106 | memcpy(bufp, ha->addr, ETH_ALEN); | |
107 | bufp += ETH_ALEN; | |
108 | cnt--; | |
109 | } | |
110 | ||
db22ae8c HM |
111 | err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); |
112 | if (err < 0) { | |
5e8149f5 | 113 | brcmf_err("Setting mcast_list failed, %d\n", err); |
db22ae8c | 114 | cmd_value = cnt ? true : cmd_value; |
5b435de0 AS |
115 | } |
116 | ||
117 | kfree(buf); | |
118 | ||
db22ae8c HM |
119 | /* |
120 | * Now send the allmulti setting. This is based on the setting in the | |
5b435de0 AS |
121 | * net_device flags, but might be modified above to be turned on if we |
122 | * were trying to set some addresses and dongle rejected it... | |
123 | */ | |
db22ae8c HM |
124 | err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); |
125 | if (err < 0) | |
5e8149f5 | 126 | brcmf_err("Setting allmulti failed, %d\n", err); |
db22ae8c HM |
127 | |
128 | /*Finally, pick up the PROMISC flag */ | |
129 | cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; | |
130 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); | |
131 | if (err < 0) | |
5e8149f5 | 132 | brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", |
db22ae8c | 133 | err); |
5b435de0 AS |
134 | } |
135 | ||
136 | static void | |
137 | _brcmf_set_mac_address(struct work_struct *work) | |
138 | { | |
db22ae8c | 139 | struct brcmf_if *ifp; |
db22ae8c | 140 | s32 err; |
5b435de0 | 141 | |
bdf5ff51 | 142 | ifp = container_of(work, struct brcmf_if, setmacaddr_work); |
94889b1f | 143 | |
2880b868 | 144 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
94889b1f | 145 | |
bdf5ff51 | 146 | err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, |
db22ae8c HM |
147 | ETH_ALEN); |
148 | if (err < 0) { | |
5e8149f5 | 149 | brcmf_err("Setting cur_etheraddr failed, %d\n", err); |
db22ae8c HM |
150 | } else { |
151 | brcmf_dbg(TRACE, "MAC address updated to %pM\n", | |
bdf5ff51 AS |
152 | ifp->mac_addr); |
153 | memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
db22ae8c | 154 | } |
5b435de0 AS |
155 | } |
156 | ||
157 | static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) | |
158 | { | |
e1b83586 | 159 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 160 | struct sockaddr *sa = (struct sockaddr *)addr; |
5b435de0 | 161 | |
bdf5ff51 AS |
162 | memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); |
163 | schedule_work(&ifp->setmacaddr_work); | |
5b435de0 AS |
164 | return 0; |
165 | } | |
166 | ||
167 | static void brcmf_netdev_set_multicast_list(struct net_device *ndev) | |
168 | { | |
e1b83586 | 169 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 170 | |
bdf5ff51 | 171 | schedule_work(&ifp->multicast_work); |
5b435de0 AS |
172 | } |
173 | ||
80fd2dbe HM |
174 | static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, |
175 | struct net_device *ndev) | |
5b435de0 AS |
176 | { |
177 | int ret; | |
e1b83586 | 178 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 179 | struct brcmf_pub *drvr = ifp->drvr; |
12b33dac | 180 | struct ethhdr *eh; |
5b435de0 | 181 | |
8071fd61 | 182 | brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 183 | |
80fd2dbe HM |
184 | /* Can the device send data? */ |
185 | if (drvr->bus_if->state != BRCMF_BUS_DATA) { | |
186 | brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); | |
5b435de0 | 187 | netif_stop_queue(ndev); |
80fd2dbe HM |
188 | dev_kfree_skb(skb); |
189 | ret = -ENODEV; | |
190 | goto done; | |
5b435de0 AS |
191 | } |
192 | ||
2880b868 HM |
193 | if (!drvr->iflist[ifp->bssidx]) { |
194 | brcmf_err("bad ifidx %d\n", ifp->bssidx); | |
5b435de0 | 195 | netif_stop_queue(ndev); |
80fd2dbe HM |
196 | dev_kfree_skb(skb); |
197 | ret = -ENODEV; | |
198 | goto done; | |
5b435de0 AS |
199 | } |
200 | ||
201 | /* Make sure there's enough room for any header */ | |
d08b6a37 | 202 | if (skb_headroom(skb) < drvr->hdrlen) { |
5b435de0 AS |
203 | struct sk_buff *skb2; |
204 | ||
205 | brcmf_dbg(INFO, "%s: insufficient headroom\n", | |
2880b868 | 206 | brcmf_ifname(drvr, ifp->bssidx)); |
9c1a043a | 207 | drvr->bus_if->tx_realloc++; |
d08b6a37 | 208 | skb2 = skb_realloc_headroom(skb, drvr->hdrlen); |
5b435de0 AS |
209 | dev_kfree_skb(skb); |
210 | skb = skb2; | |
211 | if (skb == NULL) { | |
5e8149f5 | 212 | brcmf_err("%s: skb_realloc_headroom failed\n", |
2880b868 | 213 | brcmf_ifname(drvr, ifp->bssidx)); |
5b435de0 AS |
214 | ret = -ENOMEM; |
215 | goto done; | |
216 | } | |
217 | } | |
218 | ||
12b33dac AS |
219 | /* validate length for ether packet */ |
220 | if (skb->len < sizeof(*eh)) { | |
221 | ret = -EINVAL; | |
222 | dev_kfree_skb(skb); | |
223 | goto done; | |
8514fd02 FL |
224 | } |
225 | ||
3edc1cff | 226 | ret = brcmf_fws_process_skb(ifp, skb); |
5b435de0 AS |
227 | |
228 | done: | |
b1a2a411 HM |
229 | if (ret) { |
230 | ifp->stats.tx_dropped++; | |
231 | } else { | |
232 | ifp->stats.tx_packets++; | |
233 | ifp->stats.tx_bytes += skb->len; | |
234 | } | |
5b435de0 AS |
235 | |
236 | /* Return ok: we always eat the packet */ | |
80fd2dbe | 237 | return NETDEV_TX_OK; |
5b435de0 AS |
238 | } |
239 | ||
29e04ae3 AS |
240 | void brcmf_txflowblock_if(struct brcmf_if *ifp, |
241 | enum brcmf_netif_stop_reason reason, bool state) | |
242 | { | |
df50f756 HM |
243 | unsigned long flags; |
244 | ||
23d412a2 | 245 | if (!ifp || !ifp->ndev) |
29e04ae3 AS |
246 | return; |
247 | ||
248 | brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", | |
249 | ifp->bssidx, ifp->netif_stop, reason, state); | |
df50f756 HM |
250 | |
251 | spin_lock_irqsave(&ifp->netif_stop_lock, flags); | |
29e04ae3 AS |
252 | if (state) { |
253 | if (!ifp->netif_stop) | |
254 | netif_stop_queue(ifp->ndev); | |
255 | ifp->netif_stop |= reason; | |
256 | } else { | |
257 | ifp->netif_stop &= ~reason; | |
258 | if (!ifp->netif_stop) | |
259 | netif_wake_queue(ifp->ndev); | |
260 | } | |
df50f756 | 261 | spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); |
29e04ae3 AS |
262 | } |
263 | ||
90d03ff7 | 264 | void brcmf_txflowblock(struct device *dev, bool state) |
5b435de0 | 265 | { |
2b459056 FL |
266 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
267 | struct brcmf_pub *drvr = bus_if->drvr; | |
90d03ff7 | 268 | int i; |
5b435de0 AS |
269 | |
270 | brcmf_dbg(TRACE, "Enter\n"); | |
271 | ||
ce17194e HM |
272 | if (brcmf_fws_fc_active(drvr->fws)) { |
273 | brcmf_fws_bus_blocked(drvr, state); | |
274 | } else { | |
275 | for (i = 0; i < BRCMF_MAX_IFS; i++) | |
276 | brcmf_txflowblock_if(drvr->iflist[i], | |
277 | BRCMF_NETIF_STOP_REASON_BLOCK_BUS, | |
278 | state); | |
279 | } | |
5b435de0 AS |
280 | } |
281 | ||
a43af515 | 282 | void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list) |
5b435de0 | 283 | { |
0b45bf74 | 284 | struct sk_buff *skb, *pnext; |
5b435de0 | 285 | struct brcmf_if *ifp; |
228bb43d FL |
286 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
287 | struct brcmf_pub *drvr = bus_if->drvr; | |
a43af515 AS |
288 | u8 ifidx; |
289 | int ret; | |
5b435de0 | 290 | |
8071fd61 | 291 | brcmf_dbg(DATA, "Enter\n"); |
5b435de0 | 292 | |
0b45bf74 AS |
293 | skb_queue_walk_safe(skb_list, skb, pnext) { |
294 | skb_unlink(skb, skb_list); | |
5b435de0 | 295 | |
b1a2a411 | 296 | /* process and remove protocol-specific header */ |
349e7104 | 297 | ret = brcmf_proto_hdrpull(drvr, drvr->fw_signals, &ifidx, skb); |
b1a2a411 HM |
298 | ifp = drvr->iflist[ifidx]; |
299 | ||
300 | if (ret || !ifp || !ifp->ndev) { | |
301 | if ((ret != -ENODATA) && ifp) | |
302 | ifp->stats.rx_errors++; | |
a43af515 AS |
303 | brcmu_pkt_buf_free_skb(skb); |
304 | continue; | |
305 | } | |
306 | ||
5b435de0 AS |
307 | skb->dev = ifp->ndev; |
308 | skb->protocol = eth_type_trans(skb, skb->dev); | |
309 | ||
310 | if (skb->pkt_type == PACKET_MULTICAST) | |
b1a2a411 | 311 | ifp->stats.multicast++; |
5b435de0 | 312 | |
deb09280 AS |
313 | /* Process special event packets */ |
314 | brcmf_fweh_process_skb(drvr, skb); | |
5b435de0 | 315 | |
b1a2a411 HM |
316 | if (!(ifp->ndev->flags & IFF_UP)) { |
317 | brcmu_pkt_buf_free_skb(skb); | |
318 | continue; | |
319 | } | |
320 | ||
321 | ifp->stats.rx_bytes += skb->len; | |
322 | ifp->stats.rx_packets++; | |
5b435de0 AS |
323 | |
324 | if (in_interrupt()) | |
325 | netif_rx(skb); | |
326 | else | |
327 | /* If the receive is not processed inside an ISR, | |
cc1b5463 AS |
328 | * the softirqd must be woken explicitly to service the |
329 | * NET_RX_SOFTIRQ. This is handled by netif_rx_ni(). | |
5b435de0 AS |
330 | */ |
331 | netif_rx_ni(skb); | |
332 | } | |
333 | } | |
334 | ||
c7f34a69 AS |
335 | void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, |
336 | bool success) | |
5b435de0 | 337 | { |
c7f34a69 | 338 | struct brcmf_if *ifp; |
5b435de0 | 339 | struct ethhdr *eh; |
c7f34a69 | 340 | u8 ifidx; |
5b435de0 | 341 | u16 type; |
349e7104 | 342 | int res; |
5b435de0 | 343 | |
349e7104 | 344 | res = brcmf_proto_hdrpull(drvr, false, &ifidx, txp); |
5b435de0 | 345 | |
b1a2a411 HM |
346 | ifp = drvr->iflist[ifidx]; |
347 | if (!ifp) | |
3edc1cff | 348 | goto done; |
b1a2a411 | 349 | |
349e7104 AS |
350 | if (res == 0) { |
351 | eh = (struct ethhdr *)(txp->data); | |
352 | type = ntohs(eh->h_proto); | |
5b435de0 | 353 | |
349e7104 AS |
354 | if (type == ETH_P_PAE) { |
355 | atomic_dec(&ifp->pend_8021x_cnt); | |
356 | if (waitqueue_active(&ifp->pend_8021x_wait)) | |
357 | wake_up(&ifp->pend_8021x_wait); | |
358 | } | |
21fff75d | 359 | } |
b1a2a411 HM |
360 | if (!success) |
361 | ifp->stats.tx_errors++; | |
3edc1cff AS |
362 | done: |
363 | brcmu_pkt_buf_free_skb(txp); | |
c7f34a69 | 364 | } |
7f4bceec | 365 | |
c7f34a69 AS |
366 | void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) |
367 | { | |
368 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
369 | struct brcmf_pub *drvr = bus_if->drvr; | |
370 | ||
0f8b5cc5 AS |
371 | /* await txstatus signal for firmware if active */ |
372 | if (brcmf_fws_fc_active(drvr->fws)) { | |
373 | if (!success) | |
374 | brcmf_fws_bustxfail(drvr->fws, txp); | |
375 | } else { | |
376 | brcmf_txfinalize(drvr, txp, success); | |
377 | } | |
5b435de0 AS |
378 | } |
379 | ||
380 | static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) | |
381 | { | |
e1b83586 | 382 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 383 | |
2880b868 | 384 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 AS |
385 | |
386 | return &ifp->stats; | |
387 | } | |
388 | ||
db22ae8c HM |
389 | /* |
390 | * Set current toe component enables in toe_ol iovar, | |
391 | * and set toe global enable iovar | |
392 | */ | |
393 | static int brcmf_toe_set(struct brcmf_if *ifp, u32 toe_ol) | |
5b435de0 | 394 | { |
db22ae8c | 395 | s32 err; |
5b435de0 | 396 | |
db22ae8c HM |
397 | err = brcmf_fil_iovar_int_set(ifp, "toe_ol", toe_ol); |
398 | if (err < 0) { | |
5e8149f5 | 399 | brcmf_err("Setting toe_ol failed, %d\n", err); |
db22ae8c | 400 | return err; |
5b435de0 AS |
401 | } |
402 | ||
db22ae8c HM |
403 | err = brcmf_fil_iovar_int_set(ifp, "toe", (toe_ol != 0)); |
404 | if (err < 0) | |
5e8149f5 | 405 | brcmf_err("Setting toe failed, %d\n", err); |
5b435de0 | 406 | |
db22ae8c | 407 | return err; |
5b435de0 | 408 | |
5b435de0 AS |
409 | } |
410 | ||
411 | static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, | |
412 | struct ethtool_drvinfo *info) | |
413 | { | |
e1b83586 | 414 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 415 | struct brcmf_pub *drvr = ifp->drvr; |
5b435de0 | 416 | |
7826d43f JP |
417 | strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); |
418 | snprintf(info->version, sizeof(info->version), "%lu", | |
419 | drvr->drv_version); | |
420 | strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), | |
421 | sizeof(info->bus_info)); | |
5b435de0 AS |
422 | } |
423 | ||
3eb1fa7e SH |
424 | static const struct ethtool_ops brcmf_ethtool_ops = { |
425 | .get_drvinfo = brcmf_ethtool_get_drvinfo, | |
5b435de0 AS |
426 | }; |
427 | ||
db22ae8c | 428 | static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr) |
5b435de0 | 429 | { |
db22ae8c | 430 | struct brcmf_pub *drvr = ifp->drvr; |
5b435de0 AS |
431 | struct ethtool_drvinfo info; |
432 | char drvname[sizeof(info.driver)]; | |
433 | u32 cmd; | |
434 | struct ethtool_value edata; | |
435 | u32 toe_cmpnt, csum_dir; | |
436 | int ret; | |
437 | ||
2880b868 | 438 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 AS |
439 | |
440 | /* all ethtool calls start with a cmd word */ | |
441 | if (copy_from_user(&cmd, uaddr, sizeof(u32))) | |
442 | return -EFAULT; | |
443 | ||
444 | switch (cmd) { | |
445 | case ETHTOOL_GDRVINFO: | |
446 | /* Copy out any request driver name */ | |
447 | if (copy_from_user(&info, uaddr, sizeof(info))) | |
448 | return -EFAULT; | |
449 | strncpy(drvname, info.driver, sizeof(info.driver)); | |
450 | drvname[sizeof(info.driver) - 1] = '\0'; | |
451 | ||
452 | /* clear struct for return */ | |
453 | memset(&info, 0, sizeof(info)); | |
454 | info.cmd = cmd; | |
455 | ||
456 | /* if requested, identify ourselves */ | |
457 | if (strcmp(drvname, "?dhd") == 0) { | |
458 | sprintf(info.driver, "dhd"); | |
459 | strcpy(info.version, BRCMF_VERSION_STR); | |
460 | } | |
05dde977 | 461 | /* report dongle driver type */ |
5b435de0 | 462 | else |
91917c77 | 463 | sprintf(info.driver, "wl"); |
5b435de0 | 464 | |
d08b6a37 | 465 | sprintf(info.version, "%lu", drvr->drv_version); |
5b435de0 AS |
466 | if (copy_to_user(uaddr, &info, sizeof(info))) |
467 | return -EFAULT; | |
a6cfb147 | 468 | brcmf_dbg(TRACE, "given %*s, returning %s\n", |
5b435de0 AS |
469 | (int)sizeof(drvname), drvname, info.driver); |
470 | break; | |
471 | ||
472 | /* Get toe offload components from dongle */ | |
473 | case ETHTOOL_GRXCSUM: | |
474 | case ETHTOOL_GTXCSUM: | |
db22ae8c | 475 | ret = brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_cmpnt); |
5b435de0 AS |
476 | if (ret < 0) |
477 | return ret; | |
478 | ||
479 | csum_dir = | |
480 | (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
481 | ||
482 | edata.cmd = cmd; | |
483 | edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; | |
484 | ||
485 | if (copy_to_user(uaddr, &edata, sizeof(edata))) | |
486 | return -EFAULT; | |
487 | break; | |
488 | ||
489 | /* Set toe offload components in dongle */ | |
490 | case ETHTOOL_SRXCSUM: | |
491 | case ETHTOOL_STXCSUM: | |
492 | if (copy_from_user(&edata, uaddr, sizeof(edata))) | |
493 | return -EFAULT; | |
494 | ||
495 | /* Read the current settings, update and write back */ | |
db22ae8c | 496 | ret = brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_cmpnt); |
5b435de0 AS |
497 | if (ret < 0) |
498 | return ret; | |
499 | ||
500 | csum_dir = | |
501 | (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; | |
502 | ||
503 | if (edata.data != 0) | |
504 | toe_cmpnt |= csum_dir; | |
505 | else | |
506 | toe_cmpnt &= ~csum_dir; | |
507 | ||
db22ae8c | 508 | ret = brcmf_toe_set(ifp, toe_cmpnt); |
5b435de0 AS |
509 | if (ret < 0) |
510 | return ret; | |
511 | ||
512 | /* If setting TX checksum mode, tell Linux the new mode */ | |
513 | if (cmd == ETHTOOL_STXCSUM) { | |
514 | if (edata.data) | |
db22ae8c | 515 | ifp->ndev->features |= NETIF_F_IP_CSUM; |
5b435de0 | 516 | else |
db22ae8c | 517 | ifp->ndev->features &= ~NETIF_F_IP_CSUM; |
5b435de0 AS |
518 | } |
519 | ||
520 | break; | |
521 | ||
522 | default: | |
523 | return -EOPNOTSUPP; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
529 | static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr, | |
530 | int cmd) | |
531 | { | |
e1b83586 | 532 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 533 | struct brcmf_pub *drvr = ifp->drvr; |
5b435de0 | 534 | |
2880b868 | 535 | brcmf_dbg(TRACE, "Enter, idx=%d, cmd=0x%04x\n", ifp->bssidx, cmd); |
5b435de0 | 536 | |
2880b868 | 537 | if (!drvr->iflist[ifp->bssidx]) |
5b435de0 AS |
538 | return -1; |
539 | ||
540 | if (cmd == SIOCETHTOOL) | |
db22ae8c | 541 | return brcmf_ethtool(ifp, ifr->ifr_data); |
5b435de0 AS |
542 | |
543 | return -EOPNOTSUPP; | |
544 | } | |
545 | ||
5b435de0 AS |
546 | static int brcmf_netdev_stop(struct net_device *ndev) |
547 | { | |
e1b83586 | 548 | struct brcmf_if *ifp = netdev_priv(ndev); |
817b178c | 549 | |
2880b868 | 550 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 551 | |
bdf5ff51 | 552 | brcmf_cfg80211_down(ndev); |
817b178c | 553 | |
5b435de0 | 554 | /* Set state and stop OS transmissions */ |
5b435de0 AS |
555 | netif_stop_queue(ndev); |
556 | ||
557 | return 0; | |
558 | } | |
559 | ||
560 | static int brcmf_netdev_open(struct net_device *ndev) | |
561 | { | |
e1b83586 | 562 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 563 | struct brcmf_pub *drvr = ifp->drvr; |
1bb1f384 | 564 | struct brcmf_bus *bus_if = drvr->bus_if; |
5b435de0 | 565 | u32 toe_ol; |
5b435de0 AS |
566 | s32 ret = 0; |
567 | ||
2880b868 | 568 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 569 | |
bdf5ff51 AS |
570 | /* If bus is not ready, can't continue */ |
571 | if (bus_if->state != BRCMF_BUS_DATA) { | |
5e8149f5 | 572 | brcmf_err("failed bus is not ready\n"); |
bdf5ff51 AS |
573 | return -EAGAIN; |
574 | } | |
1bb1f384 | 575 | |
10ef7321 | 576 | atomic_set(&ifp->pend_8021x_cnt, 0); |
5b435de0 | 577 | |
bdf5ff51 AS |
578 | /* Get current TOE mode from dongle */ |
579 | if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 | |
580 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
40a23296 | 581 | ndev->features |= NETIF_F_IP_CSUM; |
bdf5ff51 | 582 | else |
40a23296 | 583 | ndev->features &= ~NETIF_F_IP_CSUM; |
3338084a | 584 | |
5b435de0 AS |
585 | /* Allow transmit calls */ |
586 | netif_start_queue(ndev); | |
bdf5ff51 | 587 | if (brcmf_cfg80211_up(ndev)) { |
5e8149f5 | 588 | brcmf_err("failed to bring up cfg80211\n"); |
5b435de0 AS |
589 | return -1; |
590 | } | |
591 | ||
592 | return ret; | |
593 | } | |
594 | ||
dfded557 FL |
595 | static const struct net_device_ops brcmf_netdev_ops_pri = { |
596 | .ndo_open = brcmf_netdev_open, | |
597 | .ndo_stop = brcmf_netdev_stop, | |
598 | .ndo_get_stats = brcmf_netdev_get_stats, | |
599 | .ndo_do_ioctl = brcmf_netdev_ioctl_entry, | |
600 | .ndo_start_xmit = brcmf_netdev_start_xmit, | |
601 | .ndo_set_mac_address = brcmf_netdev_set_mac_address, | |
602 | .ndo_set_rx_mode = brcmf_netdev_set_multicast_list | |
603 | }; | |
604 | ||
28c14f4a | 605 | int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) |
75c49904 | 606 | { |
3625c149 | 607 | struct brcmf_pub *drvr = ifp->drvr; |
75c49904 | 608 | struct net_device *ndev; |
28c14f4a | 609 | s32 err; |
75c49904 | 610 | |
2880b868 | 611 | brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, |
94889b1f | 612 | ifp->mac_addr); |
bdf5ff51 | 613 | ndev = ifp->ndev; |
75c49904 | 614 | |
bdf5ff51 | 615 | /* set appropriate operations */ |
2fde59d9 | 616 | ndev->netdev_ops = &brcmf_netdev_ops_pri; |
75c49904 | 617 | |
672774f1 | 618 | ndev->hard_header_len += drvr->hdrlen; |
75c49904 AS |
619 | ndev->ethtool_ops = &brcmf_ethtool_ops; |
620 | ||
621 | drvr->rxsz = ndev->mtu + ndev->hard_header_len + | |
622 | drvr->hdrlen; | |
623 | ||
0b63cb71 AS |
624 | /* set the mac address */ |
625 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
75c49904 | 626 | |
2fde59d9 HM |
627 | INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); |
628 | INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); | |
629 | ||
28c14f4a HM |
630 | if (rtnl_locked) |
631 | err = register_netdevice(ndev); | |
632 | else | |
633 | err = register_netdev(ndev); | |
634 | if (err != 0) { | |
5e8149f5 | 635 | brcmf_err("couldn't register the net device\n"); |
75c49904 AS |
636 | goto fail; |
637 | } | |
638 | ||
639 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
640 | ||
cbb371da | 641 | ndev->destructor = free_netdev; |
75c49904 AS |
642 | return 0; |
643 | ||
644 | fail: | |
9390ace9 | 645 | drvr->iflist[ifp->bssidx] = NULL; |
75c49904 | 646 | ndev->netdev_ops = NULL; |
9390ace9 | 647 | free_netdev(ndev); |
75c49904 AS |
648 | return -EBADE; |
649 | } | |
650 | ||
2fde59d9 HM |
651 | static int brcmf_net_p2p_open(struct net_device *ndev) |
652 | { | |
653 | brcmf_dbg(TRACE, "Enter\n"); | |
654 | ||
655 | return brcmf_cfg80211_up(ndev); | |
656 | } | |
657 | ||
658 | static int brcmf_net_p2p_stop(struct net_device *ndev) | |
659 | { | |
660 | brcmf_dbg(TRACE, "Enter\n"); | |
661 | ||
662 | return brcmf_cfg80211_down(ndev); | |
663 | } | |
664 | ||
665 | static int brcmf_net_p2p_do_ioctl(struct net_device *ndev, | |
666 | struct ifreq *ifr, int cmd) | |
667 | { | |
668 | brcmf_dbg(TRACE, "Enter\n"); | |
669 | return 0; | |
670 | } | |
671 | ||
672 | static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, | |
673 | struct net_device *ndev) | |
674 | { | |
675 | if (skb) | |
676 | dev_kfree_skb_any(skb); | |
677 | ||
678 | return NETDEV_TX_OK; | |
679 | } | |
680 | ||
681 | static const struct net_device_ops brcmf_netdev_ops_p2p = { | |
682 | .ndo_open = brcmf_net_p2p_open, | |
683 | .ndo_stop = brcmf_net_p2p_stop, | |
684 | .ndo_do_ioctl = brcmf_net_p2p_do_ioctl, | |
685 | .ndo_start_xmit = brcmf_net_p2p_start_xmit | |
686 | }; | |
687 | ||
688 | static int brcmf_net_p2p_attach(struct brcmf_if *ifp) | |
689 | { | |
690 | struct net_device *ndev; | |
691 | ||
692 | brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, | |
693 | ifp->mac_addr); | |
694 | ndev = ifp->ndev; | |
695 | ||
696 | ndev->netdev_ops = &brcmf_netdev_ops_p2p; | |
697 | ||
698 | /* set the mac address */ | |
699 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
700 | ||
701 | if (register_netdev(ndev) != 0) { | |
702 | brcmf_err("couldn't register the p2p net device\n"); | |
703 | goto fail; | |
704 | } | |
705 | ||
706 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
707 | ||
708 | return 0; | |
709 | ||
710 | fail: | |
9390ace9 AS |
711 | ifp->drvr->iflist[ifp->bssidx] = NULL; |
712 | ndev->netdev_ops = NULL; | |
713 | free_netdev(ndev); | |
2fde59d9 HM |
714 | return -EBADE; |
715 | } | |
716 | ||
2880b868 HM |
717 | struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, |
718 | char *name, u8 *mac_addr) | |
5b435de0 AS |
719 | { |
720 | struct brcmf_if *ifp; | |
e1b83586 | 721 | struct net_device *ndev; |
5b435de0 | 722 | |
2880b868 | 723 | brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); |
5b435de0 | 724 | |
2880b868 | 725 | ifp = drvr->iflist[bssidx]; |
e1b83586 FL |
726 | /* |
727 | * Delete the existing interface before overwriting it | |
728 | * in case we missed the BRCMF_E_IF_DEL event. | |
729 | */ | |
730 | if (ifp) { | |
5e8149f5 | 731 | brcmf_err("ERROR: netdev:%s already exists\n", |
e1b83586 | 732 | ifp->ndev->name); |
b522dd80 AS |
733 | if (ifidx) { |
734 | netif_stop_queue(ifp->ndev); | |
735 | unregister_netdev(ifp->ndev); | |
736 | free_netdev(ifp->ndev); | |
2880b868 | 737 | drvr->iflist[bssidx] = NULL; |
b522dd80 | 738 | } else { |
5e8149f5 | 739 | brcmf_err("ignore IF event\n"); |
b522dd80 AS |
740 | return ERR_PTR(-EINVAL); |
741 | } | |
15d45b6f | 742 | } |
5b435de0 | 743 | |
01b8e7db AS |
744 | if (!brcmf_p2p_enable && bssidx == 1) { |
745 | /* this is P2P_DEVICE interface */ | |
746 | brcmf_dbg(INFO, "allocate non-netdev interface\n"); | |
747 | ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); | |
991c2093 AS |
748 | if (!ifp) |
749 | return ERR_PTR(-ENOMEM); | |
01b8e7db AS |
750 | } else { |
751 | brcmf_dbg(INFO, "allocate netdev interface\n"); | |
752 | /* Allocate netdev, including space for private structure */ | |
753 | ndev = alloc_netdev(sizeof(*ifp), name, ether_setup); | |
a652bf03 | 754 | if (!ndev) |
01b8e7db | 755 | return ERR_PTR(-ENOMEM); |
01b8e7db AS |
756 | |
757 | ifp = netdev_priv(ndev); | |
758 | ifp->ndev = ndev; | |
15d45b6f | 759 | } |
5b435de0 | 760 | |
d08b6a37 | 761 | ifp->drvr = drvr; |
2880b868 HM |
762 | drvr->iflist[bssidx] = ifp; |
763 | ifp->ifidx = ifidx; | |
1d4fd8d7 | 764 | ifp->bssidx = bssidx; |
bdf5ff51 | 765 | |
10ef7321 | 766 | init_waitqueue_head(&ifp->pend_8021x_wait); |
df50f756 | 767 | spin_lock_init(&ifp->netif_stop_lock); |
10ef7321 | 768 | |
2880b868 HM |
769 | if (mac_addr != NULL) |
770 | memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); | |
5b435de0 | 771 | |
9bcb74f9 | 772 | brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", |
01b8e7db | 773 | current->pid, name, ifp->mac_addr); |
5b435de0 | 774 | |
1ed9baf0 | 775 | return ifp; |
5b435de0 AS |
776 | } |
777 | ||
2880b868 | 778 | void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) |
5b435de0 AS |
779 | { |
780 | struct brcmf_if *ifp; | |
781 | ||
2880b868 | 782 | ifp = drvr->iflist[bssidx]; |
cbb371da | 783 | drvr->iflist[bssidx] = NULL; |
5b435de0 | 784 | if (!ifp) { |
2880b868 | 785 | brcmf_err("Null interface, idx=%d\n", bssidx); |
5b435de0 AS |
786 | return; |
787 | } | |
2880b868 | 788 | brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); |
dfded557 | 789 | if (ifp->ndev) { |
2880b868 | 790 | if (bssidx == 0) { |
dfded557 FL |
791 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
792 | rtnl_lock(); | |
793 | brcmf_netdev_stop(ifp->ndev); | |
794 | rtnl_unlock(); | |
795 | } | |
796 | } else { | |
797 | netif_stop_queue(ifp->ndev); | |
798 | } | |
799 | ||
2fde59d9 HM |
800 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
801 | cancel_work_sync(&ifp->setmacaddr_work); | |
802 | cancel_work_sync(&ifp->multicast_work); | |
803 | } | |
cbb371da | 804 | /* unregister will take care of freeing it */ |
5b435de0 | 805 | unregister_netdev(ifp->ndev); |
2880b868 | 806 | if (bssidx == 0) |
d08b6a37 | 807 | brcmf_cfg80211_detach(drvr->config); |
01b8e7db AS |
808 | } else { |
809 | kfree(ifp); | |
5b435de0 AS |
810 | } |
811 | } | |
812 | ||
2447ffb0 | 813 | int brcmf_attach(uint bus_hdrlen, struct device *dev) |
5b435de0 | 814 | { |
d08b6a37 | 815 | struct brcmf_pub *drvr = NULL; |
712ac5b3 | 816 | int ret = 0; |
5b435de0 AS |
817 | |
818 | brcmf_dbg(TRACE, "Enter\n"); | |
819 | ||
5b435de0 | 820 | /* Allocate primary brcmf_info */ |
d08b6a37 FL |
821 | drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC); |
822 | if (!drvr) | |
712ac5b3 | 823 | return -ENOMEM; |
5b435de0 | 824 | |
d08b6a37 | 825 | mutex_init(&drvr->proto_block); |
5b435de0 AS |
826 | |
827 | /* Link to bus module */ | |
d08b6a37 FL |
828 | drvr->hdrlen = bus_hdrlen; |
829 | drvr->bus_if = dev_get_drvdata(dev); | |
55a63bcc | 830 | drvr->bus_if->drvr = drvr; |
5b435de0 | 831 | |
d319a7cf AS |
832 | /* create device debugfs folder */ |
833 | brcmf_debugfs_attach(drvr); | |
834 | ||
5b435de0 | 835 | /* Attach and link in the protocol */ |
712ac5b3 FL |
836 | ret = brcmf_proto_attach(drvr); |
837 | if (ret != 0) { | |
5e8149f5 | 838 | brcmf_err("brcmf_prot_attach failed\n"); |
5b435de0 AS |
839 | goto fail; |
840 | } | |
841 | ||
5c36b99a AS |
842 | /* attach firmware event handler */ |
843 | brcmf_fweh_attach(drvr); | |
844 | ||
135e4c61 FL |
845 | INIT_LIST_HEAD(&drvr->bus_if->dcmd_list); |
846 | ||
712ac5b3 | 847 | return ret; |
5b435de0 AS |
848 | |
849 | fail: | |
712ac5b3 | 850 | brcmf_detach(dev); |
5b435de0 | 851 | |
712ac5b3 | 852 | return ret; |
5b435de0 AS |
853 | } |
854 | ||
ed683c98 | 855 | int brcmf_bus_start(struct device *dev) |
5b435de0 AS |
856 | { |
857 | int ret = -1; | |
ed683c98 FL |
858 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
859 | struct brcmf_pub *drvr = bus_if->drvr; | |
1ed9baf0 | 860 | struct brcmf_if *ifp; |
2fde59d9 | 861 | struct brcmf_if *p2p_ifp; |
5b435de0 AS |
862 | |
863 | brcmf_dbg(TRACE, "\n"); | |
864 | ||
865 | /* Bring up the bus */ | |
d9cb2596 | 866 | ret = brcmf_bus_init(bus_if); |
5b435de0 | 867 | if (ret != 0) { |
5e8149f5 | 868 | brcmf_err("brcmf_sdbrcm_bus_init failed %d\n", ret); |
5b435de0 AS |
869 | return ret; |
870 | } | |
871 | ||
1ed9baf0 | 872 | /* add primary networking interface */ |
699b5e5b | 873 | ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); |
1ed9baf0 AS |
874 | if (IS_ERR(ifp)) |
875 | return PTR_ERR(ifp); | |
876 | ||
2fde59d9 HM |
877 | if (brcmf_p2p_enable) |
878 | p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); | |
879 | else | |
880 | p2p_ifp = NULL; | |
881 | if (IS_ERR(p2p_ifp)) | |
882 | p2p_ifp = NULL; | |
883 | ||
0af29bf7 HM |
884 | /* signal bus ready */ |
885 | bus_if->state = BRCMF_BUS_DATA; | |
886 | ||
887 | /* Bus is ready, do any initialization */ | |
888 | ret = brcmf_c_preinit_dcmds(ifp); | |
5b435de0 | 889 | if (ret < 0) |
6b028c5e | 890 | goto fail; |
5b435de0 | 891 | |
349e7104 | 892 | drvr->fw_signals = true; |
a786b38d AS |
893 | ret = brcmf_fws_init(drvr); |
894 | if (ret < 0) | |
895 | goto fail; | |
896 | ||
bb8c8063 | 897 | brcmf_fws_add_interface(ifp); |
349e7104 | 898 | |
d9cb2596 | 899 | drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); |
6b028c5e HM |
900 | if (drvr->config == NULL) { |
901 | ret = -ENOMEM; | |
902 | goto fail; | |
903 | } | |
1ed9baf0 | 904 | |
5c36b99a AS |
905 | ret = brcmf_fweh_activate_events(ifp); |
906 | if (ret < 0) | |
907 | goto fail; | |
908 | ||
28c14f4a | 909 | ret = brcmf_net_attach(ifp, false); |
6b028c5e | 910 | fail: |
1ed9baf0 | 911 | if (ret < 0) { |
5e8149f5 | 912 | brcmf_err("failed: %d\n", ret); |
6b028c5e HM |
913 | if (drvr->config) |
914 | brcmf_cfg80211_detach(drvr->config); | |
bb8c8063 AS |
915 | if (drvr->fws) { |
916 | brcmf_fws_del_interface(ifp); | |
349e7104 | 917 | brcmf_fws_deinit(drvr); |
bb8c8063 | 918 | } |
ee06fcad AS |
919 | if (drvr->iflist[0]) { |
920 | free_netdev(ifp->ndev); | |
921 | drvr->iflist[0] = NULL; | |
922 | } | |
2fde59d9 HM |
923 | if (p2p_ifp) { |
924 | free_netdev(p2p_ifp->ndev); | |
925 | drvr->iflist[1] = NULL; | |
926 | } | |
474a64c8 | 927 | return ret; |
1ed9baf0 | 928 | } |
2fde59d9 | 929 | if ((brcmf_p2p_enable) && (p2p_ifp)) |
9390ace9 AS |
930 | if (brcmf_net_p2p_attach(p2p_ifp) < 0) |
931 | brcmf_p2p_enable = 0; | |
1ed9baf0 | 932 | |
5b435de0 AS |
933 | return 0; |
934 | } | |
935 | ||
5b435de0 AS |
936 | static void brcmf_bus_detach(struct brcmf_pub *drvr) |
937 | { | |
5b435de0 AS |
938 | brcmf_dbg(TRACE, "Enter\n"); |
939 | ||
940 | if (drvr) { | |
d08b6a37 FL |
941 | /* Stop the protocol module */ |
942 | brcmf_proto_stop(drvr); | |
5b435de0 | 943 | |
d08b6a37 | 944 | /* Stop the bus module */ |
d9cb2596 | 945 | brcmf_bus_stop(drvr->bus_if); |
5b435de0 AS |
946 | } |
947 | } | |
948 | ||
81d5f1bb AS |
949 | void brcmf_dev_reset(struct device *dev) |
950 | { | |
951 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
952 | struct brcmf_pub *drvr = bus_if->drvr; | |
953 | ||
954 | if (drvr == NULL) | |
955 | return; | |
956 | ||
643ecaab HM |
957 | if (drvr->iflist[0]) |
958 | brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); | |
81d5f1bb AS |
959 | } |
960 | ||
5f947ad9 | 961 | void brcmf_detach(struct device *dev) |
5b435de0 | 962 | { |
2880b868 | 963 | s32 i; |
5f947ad9 FL |
964 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
965 | struct brcmf_pub *drvr = bus_if->drvr; | |
5b435de0 AS |
966 | |
967 | brcmf_dbg(TRACE, "Enter\n"); | |
968 | ||
817b178c HM |
969 | if (drvr == NULL) |
970 | return; | |
5b435de0 | 971 | |
5c36b99a AS |
972 | /* stop firmware event handling */ |
973 | brcmf_fweh_detach(drvr); | |
974 | ||
5f947ad9 FL |
975 | /* make sure primary interface removed last */ |
976 | for (i = BRCMF_MAX_IFS-1; i > -1; i--) | |
bb8c8063 AS |
977 | if (drvr->iflist[i]) { |
978 | brcmf_fws_del_interface(drvr->iflist[i]); | |
5f947ad9 | 979 | brcmf_del_if(drvr, i); |
bb8c8063 | 980 | } |
5b435de0 | 981 | |
5f947ad9 | 982 | brcmf_bus_detach(drvr); |
5b435de0 | 983 | |
b84e3112 | 984 | if (drvr->prot) |
5f947ad9 | 985 | brcmf_proto_detach(drvr); |
5b435de0 | 986 | |
47829f4f | 987 | brcmf_fws_deinit(drvr); |
349e7104 | 988 | |
d319a7cf | 989 | brcmf_debugfs_detach(drvr); |
5f947ad9 FL |
990 | bus_if->drvr = NULL; |
991 | kfree(drvr); | |
5b435de0 AS |
992 | } |
993 | ||
10ef7321 | 994 | static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) |
5b435de0 | 995 | { |
10ef7321 | 996 | return atomic_read(&ifp->pend_8021x_cnt); |
5b435de0 AS |
997 | } |
998 | ||
5b435de0 AS |
999 | int brcmf_netdev_wait_pend8021x(struct net_device *ndev) |
1000 | { | |
e1b83586 | 1001 | struct brcmf_if *ifp = netdev_priv(ndev); |
21fff75d HM |
1002 | int err; |
1003 | ||
10ef7321 HM |
1004 | err = wait_event_timeout(ifp->pend_8021x_wait, |
1005 | !brcmf_get_pend_8021x_cnt(ifp), | |
21fff75d HM |
1006 | msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); |
1007 | ||
1008 | WARN_ON(!err); | |
1009 | ||
1010 | return !err; | |
5b435de0 AS |
1011 | } |
1012 | ||
371830ea AS |
1013 | /* |
1014 | * return chip id and rev of the device encoded in u32. | |
1015 | */ | |
1016 | u32 brcmf_get_chip_info(struct brcmf_if *ifp) | |
1017 | { | |
1018 | struct brcmf_bus *bus = ifp->drvr->bus_if; | |
1019 | ||
1020 | return bus->chip << 4 | bus->chiprev; | |
1021 | } | |
1022 | ||
e64a4b70 | 1023 | static void brcmf_driver_init(struct work_struct *work) |
f3d7cdc3 | 1024 | { |
d319a7cf AS |
1025 | brcmf_debugfs_init(); |
1026 | ||
f3d7cdc3 | 1027 | #ifdef CONFIG_BRCMFMAC_SDIO |
549040ab | 1028 | brcmf_sdio_init(); |
f3d7cdc3 | 1029 | #endif |
71bb244b | 1030 | #ifdef CONFIG_BRCMFMAC_USB |
549040ab | 1031 | brcmf_usb_init(); |
71bb244b | 1032 | #endif |
e64a4b70 AS |
1033 | } |
1034 | static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init); | |
1035 | ||
1036 | static int __init brcmfmac_module_init(void) | |
1037 | { | |
1038 | if (!schedule_work(&brcmf_driver_work)) | |
1039 | return -EBUSY; | |
1040 | ||
549040ab | 1041 | return 0; |
f3d7cdc3 AS |
1042 | } |
1043 | ||
e64a4b70 | 1044 | static void __exit brcmfmac_module_exit(void) |
f3d7cdc3 | 1045 | { |
e64a4b70 AS |
1046 | cancel_work_sync(&brcmf_driver_work); |
1047 | ||
f3d7cdc3 AS |
1048 | #ifdef CONFIG_BRCMFMAC_SDIO |
1049 | brcmf_sdio_exit(); | |
1050 | #endif | |
71bb244b AS |
1051 | #ifdef CONFIG_BRCMFMAC_USB |
1052 | brcmf_usb_exit(); | |
1053 | #endif | |
d319a7cf | 1054 | brcmf_debugfs_exit(); |
f3d7cdc3 AS |
1055 | } |
1056 | ||
e64a4b70 AS |
1057 | module_init(brcmfmac_module_init); |
1058 | module_exit(brcmfmac_module_exit); |