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" | |
5b435de0 | 27 | #include "dhd_dbg.h" |
7a5c1f64 | 28 | #include "fwil_types.h" |
9f440b7b | 29 | #include "p2p.h" |
5b435de0 | 30 | #include "wl_cfg80211.h" |
db22ae8c | 31 | #include "fwil.h" |
349e7104 | 32 | #include "fwsignal.h" |
c08437b4 | 33 | #include "feature.h" |
85b84133 | 34 | #include "proto.h" |
9e37f045 | 35 | #include "pcie.h" |
5b435de0 AS |
36 | |
37 | MODULE_AUTHOR("Broadcom Corporation"); | |
b87e2c48 | 38 | MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); |
5b435de0 AS |
39 | MODULE_LICENSE("Dual BSD/GPL"); |
40 | ||
21fff75d | 41 | #define MAX_WAIT_FOR_8021X_TX 50 /* msecs */ |
5b435de0 | 42 | |
87edd891 AS |
43 | /* AMPDU rx reordering definitions */ |
44 | #define BRCMF_RXREORDER_FLOWID_OFFSET 0 | |
45 | #define BRCMF_RXREORDER_MAXIDX_OFFSET 2 | |
46 | #define BRCMF_RXREORDER_FLAGS_OFFSET 4 | |
47 | #define BRCMF_RXREORDER_CURIDX_OFFSET 6 | |
48 | #define BRCMF_RXREORDER_EXPIDX_OFFSET 8 | |
49 | ||
50 | #define BRCMF_RXREORDER_DEL_FLOW 0x01 | |
51 | #define BRCMF_RXREORDER_FLUSH_ALL 0x02 | |
52 | #define BRCMF_RXREORDER_CURIDX_VALID 0x04 | |
53 | #define BRCMF_RXREORDER_EXPIDX_VALID 0x08 | |
54 | #define BRCMF_RXREORDER_NEW_HOLE 0x10 | |
55 | ||
5b435de0 | 56 | /* Error bits */ |
5e8149f5 | 57 | int brcmf_msg_level; |
1b255c92 AS |
58 | module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR); |
59 | MODULE_PARM_DESC(debug, "level of debug output"); | |
5b435de0 | 60 | |
2fde59d9 HM |
61 | /* P2P0 enable */ |
62 | static int brcmf_p2p_enable; | |
63 | #ifdef CONFIG_BRCMDBG | |
64 | module_param_named(p2pon, brcmf_p2p_enable, int, 0); | |
65 | MODULE_PARM_DESC(p2pon, "enable p2p management functionality"); | |
66 | #endif | |
5b435de0 AS |
67 | |
68 | char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) | |
69 | { | |
5b435de0 | 70 | if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { |
5e8149f5 | 71 | brcmf_err("ifidx %d out of range\n", ifidx); |
5b435de0 AS |
72 | return "<if_bad>"; |
73 | } | |
74 | ||
d08b6a37 | 75 | if (drvr->iflist[ifidx] == NULL) { |
5e8149f5 | 76 | brcmf_err("null i/f %d\n", ifidx); |
5b435de0 AS |
77 | return "<if_null>"; |
78 | } | |
79 | ||
d08b6a37 FL |
80 | if (drvr->iflist[ifidx]->ndev) |
81 | return drvr->iflist[ifidx]->ndev->name; | |
5b435de0 AS |
82 | |
83 | return "<if_none>"; | |
84 | } | |
85 | ||
86 | static void _brcmf_set_multicast_list(struct work_struct *work) | |
87 | { | |
db22ae8c | 88 | struct brcmf_if *ifp; |
5b435de0 AS |
89 | struct net_device *ndev; |
90 | struct netdev_hw_addr *ha; | |
db22ae8c | 91 | u32 cmd_value, cnt; |
5b435de0 | 92 | __le32 cnt_le; |
5b435de0 | 93 | char *buf, *bufp; |
db22ae8c HM |
94 | u32 buflen; |
95 | s32 err; | |
5b435de0 | 96 | |
bdf5ff51 | 97 | ifp = container_of(work, struct brcmf_if, multicast_work); |
94889b1f | 98 | |
2880b868 | 99 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
94889b1f | 100 | |
db22ae8c | 101 | ndev = ifp->ndev; |
5b435de0 AS |
102 | |
103 | /* Determine initial value of allmulti flag */ | |
db22ae8c | 104 | cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; |
5b435de0 AS |
105 | |
106 | /* Send down the multicast list first. */ | |
db22ae8c HM |
107 | cnt = netdev_mc_count(ndev); |
108 | buflen = sizeof(cnt) + (cnt * ETH_ALEN); | |
109 | buf = kmalloc(buflen, GFP_ATOMIC); | |
110 | if (!buf) | |
5b435de0 | 111 | return; |
db22ae8c | 112 | bufp = buf; |
5b435de0 AS |
113 | |
114 | cnt_le = cpu_to_le32(cnt); | |
db22ae8c | 115 | memcpy(bufp, &cnt_le, sizeof(cnt_le)); |
5b435de0 AS |
116 | bufp += sizeof(cnt_le); |
117 | ||
118 | netdev_for_each_mc_addr(ha, ndev) { | |
119 | if (!cnt) | |
120 | break; | |
121 | memcpy(bufp, ha->addr, ETH_ALEN); | |
122 | bufp += ETH_ALEN; | |
123 | cnt--; | |
124 | } | |
125 | ||
db22ae8c HM |
126 | err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); |
127 | if (err < 0) { | |
5e8149f5 | 128 | brcmf_err("Setting mcast_list failed, %d\n", err); |
db22ae8c | 129 | cmd_value = cnt ? true : cmd_value; |
5b435de0 AS |
130 | } |
131 | ||
132 | kfree(buf); | |
133 | ||
db22ae8c HM |
134 | /* |
135 | * Now send the allmulti setting. This is based on the setting in the | |
5b435de0 AS |
136 | * net_device flags, but might be modified above to be turned on if we |
137 | * were trying to set some addresses and dongle rejected it... | |
138 | */ | |
db22ae8c HM |
139 | err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); |
140 | if (err < 0) | |
5e8149f5 | 141 | brcmf_err("Setting allmulti failed, %d\n", err); |
db22ae8c HM |
142 | |
143 | /*Finally, pick up the PROMISC flag */ | |
144 | cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; | |
145 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); | |
146 | if (err < 0) | |
5e8149f5 | 147 | brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", |
db22ae8c | 148 | err); |
5b435de0 AS |
149 | } |
150 | ||
151 | static void | |
152 | _brcmf_set_mac_address(struct work_struct *work) | |
153 | { | |
db22ae8c | 154 | struct brcmf_if *ifp; |
db22ae8c | 155 | s32 err; |
5b435de0 | 156 | |
bdf5ff51 | 157 | ifp = container_of(work, struct brcmf_if, setmacaddr_work); |
94889b1f | 158 | |
2880b868 | 159 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
94889b1f | 160 | |
bdf5ff51 | 161 | err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, |
db22ae8c HM |
162 | ETH_ALEN); |
163 | if (err < 0) { | |
5e8149f5 | 164 | brcmf_err("Setting cur_etheraddr failed, %d\n", err); |
db22ae8c HM |
165 | } else { |
166 | brcmf_dbg(TRACE, "MAC address updated to %pM\n", | |
bdf5ff51 AS |
167 | ifp->mac_addr); |
168 | memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
db22ae8c | 169 | } |
5b435de0 AS |
170 | } |
171 | ||
172 | static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) | |
173 | { | |
e1b83586 | 174 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 175 | struct sockaddr *sa = (struct sockaddr *)addr; |
5b435de0 | 176 | |
bdf5ff51 AS |
177 | memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); |
178 | schedule_work(&ifp->setmacaddr_work); | |
5b435de0 AS |
179 | return 0; |
180 | } | |
181 | ||
182 | static void brcmf_netdev_set_multicast_list(struct net_device *ndev) | |
183 | { | |
e1b83586 | 184 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 185 | |
bdf5ff51 | 186 | schedule_work(&ifp->multicast_work); |
5b435de0 AS |
187 | } |
188 | ||
80fd2dbe HM |
189 | static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, |
190 | struct net_device *ndev) | |
5b435de0 AS |
191 | { |
192 | int ret; | |
e1b83586 | 193 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 194 | struct brcmf_pub *drvr = ifp->drvr; |
55929443 | 195 | struct ethhdr *eh = (struct ethhdr *)(skb->data); |
5b435de0 | 196 | |
8071fd61 | 197 | brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 198 | |
80fd2dbe HM |
199 | /* Can the device send data? */ |
200 | if (drvr->bus_if->state != BRCMF_BUS_DATA) { | |
201 | brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); | |
5b435de0 | 202 | netif_stop_queue(ndev); |
80fd2dbe HM |
203 | dev_kfree_skb(skb); |
204 | ret = -ENODEV; | |
205 | goto done; | |
5b435de0 AS |
206 | } |
207 | ||
2880b868 HM |
208 | if (!drvr->iflist[ifp->bssidx]) { |
209 | brcmf_err("bad ifidx %d\n", ifp->bssidx); | |
5b435de0 | 210 | netif_stop_queue(ndev); |
80fd2dbe HM |
211 | dev_kfree_skb(skb); |
212 | ret = -ENODEV; | |
213 | goto done; | |
5b435de0 AS |
214 | } |
215 | ||
216 | /* Make sure there's enough room for any header */ | |
d08b6a37 | 217 | if (skb_headroom(skb) < drvr->hdrlen) { |
5b435de0 AS |
218 | struct sk_buff *skb2; |
219 | ||
220 | brcmf_dbg(INFO, "%s: insufficient headroom\n", | |
2880b868 | 221 | brcmf_ifname(drvr, ifp->bssidx)); |
9c1a043a | 222 | drvr->bus_if->tx_realloc++; |
d08b6a37 | 223 | skb2 = skb_realloc_headroom(skb, drvr->hdrlen); |
5b435de0 AS |
224 | dev_kfree_skb(skb); |
225 | skb = skb2; | |
226 | if (skb == NULL) { | |
5e8149f5 | 227 | brcmf_err("%s: skb_realloc_headroom failed\n", |
2880b868 | 228 | brcmf_ifname(drvr, ifp->bssidx)); |
5b435de0 AS |
229 | ret = -ENOMEM; |
230 | goto done; | |
231 | } | |
232 | } | |
233 | ||
12b33dac AS |
234 | /* validate length for ether packet */ |
235 | if (skb->len < sizeof(*eh)) { | |
236 | ret = -EINVAL; | |
237 | dev_kfree_skb(skb); | |
238 | goto done; | |
8514fd02 FL |
239 | } |
240 | ||
55929443 HM |
241 | if (eh->h_proto == htons(ETH_P_PAE)) |
242 | atomic_inc(&ifp->pend_8021x_cnt); | |
243 | ||
3edc1cff | 244 | ret = brcmf_fws_process_skb(ifp, skb); |
5b435de0 AS |
245 | |
246 | done: | |
b1a2a411 HM |
247 | if (ret) { |
248 | ifp->stats.tx_dropped++; | |
249 | } else { | |
250 | ifp->stats.tx_packets++; | |
251 | ifp->stats.tx_bytes += skb->len; | |
252 | } | |
5b435de0 AS |
253 | |
254 | /* Return ok: we always eat the packet */ | |
80fd2dbe | 255 | return NETDEV_TX_OK; |
5b435de0 AS |
256 | } |
257 | ||
29e04ae3 AS |
258 | void brcmf_txflowblock_if(struct brcmf_if *ifp, |
259 | enum brcmf_netif_stop_reason reason, bool state) | |
260 | { | |
df50f756 HM |
261 | unsigned long flags; |
262 | ||
23d412a2 | 263 | if (!ifp || !ifp->ndev) |
29e04ae3 AS |
264 | return; |
265 | ||
266 | brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", | |
267 | ifp->bssidx, ifp->netif_stop, reason, state); | |
df50f756 HM |
268 | |
269 | spin_lock_irqsave(&ifp->netif_stop_lock, flags); | |
29e04ae3 AS |
270 | if (state) { |
271 | if (!ifp->netif_stop) | |
272 | netif_stop_queue(ifp->ndev); | |
273 | ifp->netif_stop |= reason; | |
274 | } else { | |
275 | ifp->netif_stop &= ~reason; | |
276 | if (!ifp->netif_stop) | |
277 | netif_wake_queue(ifp->ndev); | |
278 | } | |
df50f756 | 279 | spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); |
29e04ae3 AS |
280 | } |
281 | ||
90d03ff7 | 282 | void brcmf_txflowblock(struct device *dev, bool state) |
5b435de0 | 283 | { |
2b459056 FL |
284 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
285 | struct brcmf_pub *drvr = bus_if->drvr; | |
5b435de0 AS |
286 | |
287 | brcmf_dbg(TRACE, "Enter\n"); | |
288 | ||
0a4254be | 289 | brcmf_fws_bus_blocked(drvr, state); |
5b435de0 AS |
290 | } |
291 | ||
9374a2b5 | 292 | void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb) |
87edd891 AS |
293 | { |
294 | skb->dev = ifp->ndev; | |
295 | skb->protocol = eth_type_trans(skb, skb->dev); | |
296 | ||
297 | if (skb->pkt_type == PACKET_MULTICAST) | |
298 | ifp->stats.multicast++; | |
299 | ||
300 | /* Process special event packets */ | |
301 | brcmf_fweh_process_skb(ifp->drvr, skb); | |
302 | ||
303 | if (!(ifp->ndev->flags & IFF_UP)) { | |
304 | brcmu_pkt_buf_free_skb(skb); | |
305 | return; | |
306 | } | |
307 | ||
308 | ifp->stats.rx_bytes += skb->len; | |
309 | ifp->stats.rx_packets++; | |
310 | ||
311 | brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol)); | |
312 | if (in_interrupt()) | |
313 | netif_rx(skb); | |
314 | else | |
315 | /* If the receive is not processed inside an ISR, | |
316 | * the softirqd must be woken explicitly to service | |
317 | * the NET_RX_SOFTIRQ. This is handled by netif_rx_ni(). | |
318 | */ | |
319 | netif_rx_ni(skb); | |
320 | } | |
321 | ||
322 | static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi, | |
323 | u8 start, u8 end, | |
324 | struct sk_buff_head *skb_list) | |
325 | { | |
326 | /* initialize return list */ | |
327 | __skb_queue_head_init(skb_list); | |
328 | ||
329 | if (rfi->pend_pkts == 0) { | |
330 | brcmf_dbg(INFO, "no packets in reorder queue\n"); | |
331 | return; | |
332 | } | |
333 | ||
334 | do { | |
335 | if (rfi->pktslots[start]) { | |
336 | __skb_queue_tail(skb_list, rfi->pktslots[start]); | |
337 | rfi->pktslots[start] = NULL; | |
338 | } | |
339 | start++; | |
340 | if (start > rfi->max_idx) | |
341 | start = 0; | |
342 | } while (start != end); | |
343 | rfi->pend_pkts -= skb_queue_len(skb_list); | |
344 | } | |
345 | ||
346 | static void brcmf_rxreorder_process_info(struct brcmf_if *ifp, u8 *reorder_data, | |
347 | struct sk_buff *pkt) | |
348 | { | |
349 | u8 flow_id, max_idx, cur_idx, exp_idx, end_idx; | |
350 | struct brcmf_ampdu_rx_reorder *rfi; | |
351 | struct sk_buff_head reorder_list; | |
352 | struct sk_buff *pnext; | |
353 | u8 flags; | |
354 | u32 buf_size; | |
355 | ||
356 | flow_id = reorder_data[BRCMF_RXREORDER_FLOWID_OFFSET]; | |
357 | flags = reorder_data[BRCMF_RXREORDER_FLAGS_OFFSET]; | |
358 | ||
359 | /* validate flags and flow id */ | |
360 | if (flags == 0xFF) { | |
361 | brcmf_err("invalid flags...so ignore this packet\n"); | |
362 | brcmf_netif_rx(ifp, pkt); | |
363 | return; | |
364 | } | |
365 | ||
366 | rfi = ifp->drvr->reorder_flows[flow_id]; | |
367 | if (flags & BRCMF_RXREORDER_DEL_FLOW) { | |
368 | brcmf_dbg(INFO, "flow-%d: delete\n", | |
369 | flow_id); | |
370 | ||
371 | if (rfi == NULL) { | |
372 | brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n", | |
373 | flow_id); | |
374 | brcmf_netif_rx(ifp, pkt); | |
375 | return; | |
376 | } | |
377 | ||
378 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, rfi->exp_idx, | |
379 | &reorder_list); | |
380 | /* add the last packet */ | |
381 | __skb_queue_tail(&reorder_list, pkt); | |
382 | kfree(rfi); | |
383 | ifp->drvr->reorder_flows[flow_id] = NULL; | |
384 | goto netif_rx; | |
385 | } | |
386 | /* from here on we need a flow reorder instance */ | |
387 | if (rfi == NULL) { | |
388 | buf_size = sizeof(*rfi); | |
389 | max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; | |
390 | ||
391 | buf_size += (max_idx + 1) * sizeof(pkt); | |
392 | ||
393 | /* allocate space for flow reorder info */ | |
394 | brcmf_dbg(INFO, "flow-%d: start, maxidx %d\n", | |
395 | flow_id, max_idx); | |
396 | rfi = kzalloc(buf_size, GFP_ATOMIC); | |
397 | if (rfi == NULL) { | |
398 | brcmf_err("failed to alloc buffer\n"); | |
399 | brcmf_netif_rx(ifp, pkt); | |
400 | return; | |
401 | } | |
402 | ||
403 | ifp->drvr->reorder_flows[flow_id] = rfi; | |
404 | rfi->pktslots = (struct sk_buff **)(rfi+1); | |
405 | rfi->max_idx = max_idx; | |
406 | } | |
407 | if (flags & BRCMF_RXREORDER_NEW_HOLE) { | |
408 | if (rfi->pend_pkts) { | |
409 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, | |
410 | rfi->exp_idx, | |
411 | &reorder_list); | |
412 | WARN_ON(rfi->pend_pkts); | |
413 | } else { | |
414 | __skb_queue_head_init(&reorder_list); | |
415 | } | |
416 | rfi->cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; | |
417 | rfi->exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; | |
418 | rfi->max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; | |
419 | rfi->pktslots[rfi->cur_idx] = pkt; | |
420 | rfi->pend_pkts++; | |
421 | brcmf_dbg(DATA, "flow-%d: new hole %d (%d), pending %d\n", | |
422 | flow_id, rfi->cur_idx, rfi->exp_idx, rfi->pend_pkts); | |
423 | } else if (flags & BRCMF_RXREORDER_CURIDX_VALID) { | |
424 | cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; | |
425 | exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; | |
426 | ||
427 | if ((exp_idx == rfi->exp_idx) && (cur_idx != rfi->exp_idx)) { | |
428 | /* still in the current hole */ | |
429 | /* enqueue the current on the buffer chain */ | |
430 | if (rfi->pktslots[cur_idx] != NULL) { | |
431 | brcmf_dbg(INFO, "HOLE: ERROR buffer pending..free it\n"); | |
432 | brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); | |
433 | rfi->pktslots[cur_idx] = NULL; | |
434 | } | |
435 | rfi->pktslots[cur_idx] = pkt; | |
436 | rfi->pend_pkts++; | |
437 | rfi->cur_idx = cur_idx; | |
438 | brcmf_dbg(DATA, "flow-%d: store pkt %d (%d), pending %d\n", | |
439 | flow_id, cur_idx, exp_idx, rfi->pend_pkts); | |
440 | ||
441 | /* can return now as there is no reorder | |
442 | * list to process. | |
443 | */ | |
444 | return; | |
445 | } | |
446 | if (rfi->exp_idx == cur_idx) { | |
447 | if (rfi->pktslots[cur_idx] != NULL) { | |
448 | brcmf_dbg(INFO, "error buffer pending..free it\n"); | |
449 | brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); | |
450 | rfi->pktslots[cur_idx] = NULL; | |
451 | } | |
452 | rfi->pktslots[cur_idx] = pkt; | |
453 | rfi->pend_pkts++; | |
454 | ||
455 | /* got the expected one. flush from current to expected | |
456 | * and update expected | |
457 | */ | |
458 | brcmf_dbg(DATA, "flow-%d: expected %d (%d), pending %d\n", | |
459 | flow_id, cur_idx, exp_idx, rfi->pend_pkts); | |
460 | ||
461 | rfi->cur_idx = cur_idx; | |
462 | rfi->exp_idx = exp_idx; | |
463 | ||
464 | brcmf_rxreorder_get_skb_list(rfi, cur_idx, exp_idx, | |
465 | &reorder_list); | |
466 | brcmf_dbg(DATA, "flow-%d: freeing buffers %d, pending %d\n", | |
467 | flow_id, skb_queue_len(&reorder_list), | |
468 | rfi->pend_pkts); | |
469 | } else { | |
470 | u8 end_idx; | |
471 | ||
472 | brcmf_dbg(DATA, "flow-%d (0x%x): both moved, old %d/%d, new %d/%d\n", | |
473 | flow_id, flags, rfi->cur_idx, rfi->exp_idx, | |
474 | cur_idx, exp_idx); | |
475 | if (flags & BRCMF_RXREORDER_FLUSH_ALL) | |
476 | end_idx = rfi->exp_idx; | |
477 | else | |
478 | end_idx = exp_idx; | |
479 | ||
480 | /* flush pkts first */ | |
481 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, | |
482 | &reorder_list); | |
483 | ||
484 | if (exp_idx == ((cur_idx + 1) % (rfi->max_idx + 1))) { | |
485 | __skb_queue_tail(&reorder_list, pkt); | |
486 | } else { | |
487 | rfi->pktslots[cur_idx] = pkt; | |
488 | rfi->pend_pkts++; | |
489 | } | |
490 | rfi->exp_idx = exp_idx; | |
491 | rfi->cur_idx = cur_idx; | |
492 | } | |
493 | } else { | |
494 | /* explicity window move updating the expected index */ | |
495 | exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; | |
496 | ||
497 | brcmf_dbg(DATA, "flow-%d (0x%x): change expected: %d -> %d\n", | |
498 | flow_id, flags, rfi->exp_idx, exp_idx); | |
499 | if (flags & BRCMF_RXREORDER_FLUSH_ALL) | |
500 | end_idx = rfi->exp_idx; | |
501 | else | |
502 | end_idx = exp_idx; | |
503 | ||
504 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, | |
505 | &reorder_list); | |
506 | __skb_queue_tail(&reorder_list, pkt); | |
507 | /* set the new expected idx */ | |
508 | rfi->exp_idx = exp_idx; | |
509 | } | |
510 | netif_rx: | |
511 | skb_queue_walk_safe(&reorder_list, pkt, pnext) { | |
512 | __skb_unlink(pkt, &reorder_list); | |
513 | brcmf_netif_rx(ifp, pkt); | |
514 | } | |
515 | } | |
516 | ||
05f3820b | 517 | void brcmf_rx_frame(struct device *dev, struct sk_buff *skb) |
5b435de0 | 518 | { |
5b435de0 | 519 | struct brcmf_if *ifp; |
228bb43d FL |
520 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
521 | struct brcmf_pub *drvr = bus_if->drvr; | |
87edd891 | 522 | struct brcmf_skb_reorder_data *rd; |
a43af515 AS |
523 | u8 ifidx; |
524 | int ret; | |
5b435de0 | 525 | |
05f3820b | 526 | brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb); |
5b435de0 | 527 | |
05f3820b AS |
528 | /* process and remove protocol-specific header */ |
529 | ret = brcmf_proto_hdrpull(drvr, true, &ifidx, skb); | |
530 | ifp = drvr->iflist[ifidx]; | |
a43af515 | 531 | |
05f3820b AS |
532 | if (ret || !ifp || !ifp->ndev) { |
533 | if ((ret != -ENODATA) && ifp) | |
534 | ifp->stats.rx_errors++; | |
535 | brcmu_pkt_buf_free_skb(skb); | |
536 | return; | |
5b435de0 | 537 | } |
05f3820b AS |
538 | |
539 | rd = (struct brcmf_skb_reorder_data *)skb->cb; | |
540 | if (rd->reorder) | |
541 | brcmf_rxreorder_process_info(ifp, rd->reorder, skb); | |
542 | else | |
543 | brcmf_netif_rx(ifp, skb); | |
5b435de0 AS |
544 | } |
545 | ||
53e30ea4 | 546 | void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, |
c7f34a69 | 547 | bool success) |
5b435de0 | 548 | { |
c7f34a69 | 549 | struct brcmf_if *ifp; |
5b435de0 AS |
550 | struct ethhdr *eh; |
551 | u16 type; | |
5b435de0 | 552 | |
b1a2a411 HM |
553 | ifp = drvr->iflist[ifidx]; |
554 | if (!ifp) | |
3edc1cff | 555 | goto done; |
b1a2a411 | 556 | |
53e30ea4 HM |
557 | eh = (struct ethhdr *)(txp->data); |
558 | type = ntohs(eh->h_proto); | |
5b435de0 | 559 | |
53e30ea4 HM |
560 | if (type == ETH_P_PAE) { |
561 | atomic_dec(&ifp->pend_8021x_cnt); | |
562 | if (waitqueue_active(&ifp->pend_8021x_wait)) | |
563 | wake_up(&ifp->pend_8021x_wait); | |
21fff75d | 564 | } |
53e30ea4 | 565 | |
b1a2a411 HM |
566 | if (!success) |
567 | ifp->stats.tx_errors++; | |
3edc1cff AS |
568 | done: |
569 | brcmu_pkt_buf_free_skb(txp); | |
c7f34a69 | 570 | } |
7f4bceec | 571 | |
c7f34a69 AS |
572 | void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) |
573 | { | |
574 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
575 | struct brcmf_pub *drvr = bus_if->drvr; | |
53e30ea4 | 576 | u8 ifidx; |
c7f34a69 | 577 | |
0f8b5cc5 AS |
578 | /* await txstatus signal for firmware if active */ |
579 | if (brcmf_fws_fc_active(drvr->fws)) { | |
580 | if (!success) | |
581 | brcmf_fws_bustxfail(drvr->fws, txp); | |
582 | } else { | |
53e30ea4 HM |
583 | if (brcmf_proto_hdrpull(drvr, false, &ifidx, txp)) |
584 | brcmu_pkt_buf_free_skb(txp); | |
585 | else | |
586 | brcmf_txfinalize(drvr, txp, ifidx, success); | |
0f8b5cc5 | 587 | } |
5b435de0 AS |
588 | } |
589 | ||
590 | static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) | |
591 | { | |
e1b83586 | 592 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 593 | |
2880b868 | 594 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 AS |
595 | |
596 | return &ifp->stats; | |
597 | } | |
598 | ||
5b435de0 AS |
599 | static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, |
600 | struct ethtool_drvinfo *info) | |
601 | { | |
e1b83586 | 602 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 603 | struct brcmf_pub *drvr = ifp->drvr; |
5b435de0 | 604 | |
7826d43f | 605 | strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); |
55685b8f AS |
606 | snprintf(info->version, sizeof(info->version), "n/a"); |
607 | strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); | |
7826d43f JP |
608 | strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), |
609 | sizeof(info->bus_info)); | |
5b435de0 AS |
610 | } |
611 | ||
3eb1fa7e SH |
612 | static const struct ethtool_ops brcmf_ethtool_ops = { |
613 | .get_drvinfo = brcmf_ethtool_get_drvinfo, | |
5b435de0 AS |
614 | }; |
615 | ||
5b435de0 AS |
616 | static int brcmf_netdev_stop(struct net_device *ndev) |
617 | { | |
e1b83586 | 618 | struct brcmf_if *ifp = netdev_priv(ndev); |
817b178c | 619 | |
2880b868 | 620 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 621 | |
bdf5ff51 | 622 | brcmf_cfg80211_down(ndev); |
817b178c | 623 | |
5b435de0 | 624 | /* Set state and stop OS transmissions */ |
5b435de0 AS |
625 | netif_stop_queue(ndev); |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
630 | static int brcmf_netdev_open(struct net_device *ndev) | |
631 | { | |
e1b83586 | 632 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 633 | struct brcmf_pub *drvr = ifp->drvr; |
1bb1f384 | 634 | struct brcmf_bus *bus_if = drvr->bus_if; |
5b435de0 | 635 | u32 toe_ol; |
5b435de0 | 636 | |
2880b868 | 637 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 638 | |
bdf5ff51 AS |
639 | /* If bus is not ready, can't continue */ |
640 | if (bus_if->state != BRCMF_BUS_DATA) { | |
5e8149f5 | 641 | brcmf_err("failed bus is not ready\n"); |
bdf5ff51 AS |
642 | return -EAGAIN; |
643 | } | |
1bb1f384 | 644 | |
10ef7321 | 645 | atomic_set(&ifp->pend_8021x_cnt, 0); |
5b435de0 | 646 | |
bdf5ff51 AS |
647 | /* Get current TOE mode from dongle */ |
648 | if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 | |
649 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
40a23296 | 650 | ndev->features |= NETIF_F_IP_CSUM; |
bdf5ff51 | 651 | else |
40a23296 | 652 | ndev->features &= ~NETIF_F_IP_CSUM; |
3338084a | 653 | |
bdf5ff51 | 654 | if (brcmf_cfg80211_up(ndev)) { |
5e8149f5 | 655 | brcmf_err("failed to bring up cfg80211\n"); |
dcede4b8 | 656 | return -EIO; |
5b435de0 AS |
657 | } |
658 | ||
dcede4b8 AS |
659 | /* Allow transmit calls */ |
660 | netif_start_queue(ndev); | |
661 | return 0; | |
5b435de0 AS |
662 | } |
663 | ||
dfded557 FL |
664 | static const struct net_device_ops brcmf_netdev_ops_pri = { |
665 | .ndo_open = brcmf_netdev_open, | |
666 | .ndo_stop = brcmf_netdev_stop, | |
667 | .ndo_get_stats = brcmf_netdev_get_stats, | |
dfded557 FL |
668 | .ndo_start_xmit = brcmf_netdev_start_xmit, |
669 | .ndo_set_mac_address = brcmf_netdev_set_mac_address, | |
670 | .ndo_set_rx_mode = brcmf_netdev_set_multicast_list | |
671 | }; | |
672 | ||
28c14f4a | 673 | int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) |
75c49904 | 674 | { |
3625c149 | 675 | struct brcmf_pub *drvr = ifp->drvr; |
75c49904 | 676 | struct net_device *ndev; |
28c14f4a | 677 | s32 err; |
75c49904 | 678 | |
2880b868 | 679 | brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, |
94889b1f | 680 | ifp->mac_addr); |
bdf5ff51 | 681 | ndev = ifp->ndev; |
75c49904 | 682 | |
bdf5ff51 | 683 | /* set appropriate operations */ |
2fde59d9 | 684 | ndev->netdev_ops = &brcmf_netdev_ops_pri; |
75c49904 | 685 | |
672774f1 | 686 | ndev->hard_header_len += drvr->hdrlen; |
75c49904 AS |
687 | ndev->ethtool_ops = &brcmf_ethtool_ops; |
688 | ||
689 | drvr->rxsz = ndev->mtu + ndev->hard_header_len + | |
690 | drvr->hdrlen; | |
691 | ||
0b63cb71 AS |
692 | /* set the mac address */ |
693 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
75c49904 | 694 | |
2fde59d9 HM |
695 | INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); |
696 | INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); | |
697 | ||
28c14f4a HM |
698 | if (rtnl_locked) |
699 | err = register_netdevice(ndev); | |
700 | else | |
701 | err = register_netdev(ndev); | |
702 | if (err != 0) { | |
5e8149f5 | 703 | brcmf_err("couldn't register the net device\n"); |
75c49904 AS |
704 | goto fail; |
705 | } | |
706 | ||
707 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
708 | ||
9df4d542 | 709 | ndev->destructor = brcmf_cfg80211_free_netdev; |
75c49904 AS |
710 | return 0; |
711 | ||
712 | fail: | |
9390ace9 | 713 | drvr->iflist[ifp->bssidx] = NULL; |
75c49904 | 714 | ndev->netdev_ops = NULL; |
9390ace9 | 715 | free_netdev(ndev); |
75c49904 AS |
716 | return -EBADE; |
717 | } | |
718 | ||
2fde59d9 HM |
719 | static int brcmf_net_p2p_open(struct net_device *ndev) |
720 | { | |
721 | brcmf_dbg(TRACE, "Enter\n"); | |
722 | ||
723 | return brcmf_cfg80211_up(ndev); | |
724 | } | |
725 | ||
726 | static int brcmf_net_p2p_stop(struct net_device *ndev) | |
727 | { | |
728 | brcmf_dbg(TRACE, "Enter\n"); | |
729 | ||
730 | return brcmf_cfg80211_down(ndev); | |
731 | } | |
732 | ||
2fde59d9 HM |
733 | static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, |
734 | struct net_device *ndev) | |
735 | { | |
736 | if (skb) | |
737 | dev_kfree_skb_any(skb); | |
738 | ||
739 | return NETDEV_TX_OK; | |
740 | } | |
741 | ||
742 | static const struct net_device_ops brcmf_netdev_ops_p2p = { | |
743 | .ndo_open = brcmf_net_p2p_open, | |
744 | .ndo_stop = brcmf_net_p2p_stop, | |
2fde59d9 HM |
745 | .ndo_start_xmit = brcmf_net_p2p_start_xmit |
746 | }; | |
747 | ||
748 | static int brcmf_net_p2p_attach(struct brcmf_if *ifp) | |
749 | { | |
750 | struct net_device *ndev; | |
751 | ||
752 | brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, | |
753 | ifp->mac_addr); | |
754 | ndev = ifp->ndev; | |
755 | ||
756 | ndev->netdev_ops = &brcmf_netdev_ops_p2p; | |
757 | ||
758 | /* set the mac address */ | |
759 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
760 | ||
761 | if (register_netdev(ndev) != 0) { | |
762 | brcmf_err("couldn't register the p2p net device\n"); | |
763 | goto fail; | |
764 | } | |
765 | ||
766 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
767 | ||
768 | return 0; | |
769 | ||
770 | fail: | |
9390ace9 AS |
771 | ifp->drvr->iflist[ifp->bssidx] = NULL; |
772 | ndev->netdev_ops = NULL; | |
773 | free_netdev(ndev); | |
2fde59d9 HM |
774 | return -EBADE; |
775 | } | |
776 | ||
2880b868 HM |
777 | struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, |
778 | char *name, u8 *mac_addr) | |
5b435de0 AS |
779 | { |
780 | struct brcmf_if *ifp; | |
e1b83586 | 781 | struct net_device *ndev; |
5b435de0 | 782 | |
2880b868 | 783 | brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); |
5b435de0 | 784 | |
2880b868 | 785 | ifp = drvr->iflist[bssidx]; |
e1b83586 FL |
786 | /* |
787 | * Delete the existing interface before overwriting it | |
788 | * in case we missed the BRCMF_E_IF_DEL event. | |
789 | */ | |
790 | if (ifp) { | |
5e8149f5 | 791 | brcmf_err("ERROR: netdev:%s already exists\n", |
e1b83586 | 792 | ifp->ndev->name); |
b522dd80 AS |
793 | if (ifidx) { |
794 | netif_stop_queue(ifp->ndev); | |
795 | unregister_netdev(ifp->ndev); | |
796 | free_netdev(ifp->ndev); | |
2880b868 | 797 | drvr->iflist[bssidx] = NULL; |
b522dd80 | 798 | } else { |
5e8149f5 | 799 | brcmf_err("ignore IF event\n"); |
b522dd80 AS |
800 | return ERR_PTR(-EINVAL); |
801 | } | |
15d45b6f | 802 | } |
5b435de0 | 803 | |
01b8e7db AS |
804 | if (!brcmf_p2p_enable && bssidx == 1) { |
805 | /* this is P2P_DEVICE interface */ | |
806 | brcmf_dbg(INFO, "allocate non-netdev interface\n"); | |
807 | ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); | |
991c2093 AS |
808 | if (!ifp) |
809 | return ERR_PTR(-ENOMEM); | |
01b8e7db AS |
810 | } else { |
811 | brcmf_dbg(INFO, "allocate netdev interface\n"); | |
812 | /* Allocate netdev, including space for private structure */ | |
c835a677 TG |
813 | ndev = alloc_netdev(sizeof(*ifp), name, NET_NAME_UNKNOWN, |
814 | ether_setup); | |
a652bf03 | 815 | if (!ndev) |
01b8e7db | 816 | return ERR_PTR(-ENOMEM); |
01b8e7db AS |
817 | |
818 | ifp = netdev_priv(ndev); | |
819 | ifp->ndev = ndev; | |
15d45b6f | 820 | } |
5b435de0 | 821 | |
d08b6a37 | 822 | ifp->drvr = drvr; |
2880b868 HM |
823 | drvr->iflist[bssidx] = ifp; |
824 | ifp->ifidx = ifidx; | |
1d4fd8d7 | 825 | ifp->bssidx = bssidx; |
bdf5ff51 | 826 | |
10ef7321 | 827 | init_waitqueue_head(&ifp->pend_8021x_wait); |
df50f756 | 828 | spin_lock_init(&ifp->netif_stop_lock); |
10ef7321 | 829 | |
2880b868 HM |
830 | if (mac_addr != NULL) |
831 | memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); | |
5b435de0 | 832 | |
9bcb74f9 | 833 | brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", |
01b8e7db | 834 | current->pid, name, ifp->mac_addr); |
5b435de0 | 835 | |
1ed9baf0 | 836 | return ifp; |
5b435de0 AS |
837 | } |
838 | ||
2880b868 | 839 | void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) |
5b435de0 AS |
840 | { |
841 | struct brcmf_if *ifp; | |
842 | ||
2880b868 | 843 | ifp = drvr->iflist[bssidx]; |
cbb371da | 844 | drvr->iflist[bssidx] = NULL; |
5b435de0 | 845 | if (!ifp) { |
2880b868 | 846 | brcmf_err("Null interface, idx=%d\n", bssidx); |
5b435de0 AS |
847 | return; |
848 | } | |
2880b868 | 849 | brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); |
dfded557 | 850 | if (ifp->ndev) { |
2880b868 | 851 | if (bssidx == 0) { |
dfded557 FL |
852 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
853 | rtnl_lock(); | |
854 | brcmf_netdev_stop(ifp->ndev); | |
855 | rtnl_unlock(); | |
856 | } | |
857 | } else { | |
858 | netif_stop_queue(ifp->ndev); | |
859 | } | |
860 | ||
2fde59d9 HM |
861 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
862 | cancel_work_sync(&ifp->setmacaddr_work); | |
863 | cancel_work_sync(&ifp->multicast_work); | |
864 | } | |
cbb371da | 865 | /* unregister will take care of freeing it */ |
5b435de0 | 866 | unregister_netdev(ifp->ndev); |
01b8e7db AS |
867 | } else { |
868 | kfree(ifp); | |
5b435de0 AS |
869 | } |
870 | } | |
871 | ||
8dee77ba | 872 | int brcmf_attach(struct device *dev) |
5b435de0 | 873 | { |
d08b6a37 | 874 | struct brcmf_pub *drvr = NULL; |
712ac5b3 | 875 | int ret = 0; |
5b435de0 AS |
876 | |
877 | brcmf_dbg(TRACE, "Enter\n"); | |
878 | ||
5b435de0 | 879 | /* Allocate primary brcmf_info */ |
d08b6a37 FL |
880 | drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC); |
881 | if (!drvr) | |
712ac5b3 | 882 | return -ENOMEM; |
5b435de0 | 883 | |
d08b6a37 | 884 | mutex_init(&drvr->proto_block); |
5b435de0 AS |
885 | |
886 | /* Link to bus module */ | |
8dee77ba | 887 | drvr->hdrlen = 0; |
d08b6a37 | 888 | drvr->bus_if = dev_get_drvdata(dev); |
55a63bcc | 889 | drvr->bus_if->drvr = drvr; |
5b435de0 | 890 | |
d319a7cf AS |
891 | /* create device debugfs folder */ |
892 | brcmf_debugfs_attach(drvr); | |
893 | ||
5b435de0 | 894 | /* Attach and link in the protocol */ |
712ac5b3 FL |
895 | ret = brcmf_proto_attach(drvr); |
896 | if (ret != 0) { | |
5e8149f5 | 897 | brcmf_err("brcmf_prot_attach failed\n"); |
5b435de0 AS |
898 | goto fail; |
899 | } | |
900 | ||
5c36b99a AS |
901 | /* attach firmware event handler */ |
902 | brcmf_fweh_attach(drvr); | |
903 | ||
712ac5b3 | 904 | return ret; |
5b435de0 AS |
905 | |
906 | fail: | |
712ac5b3 | 907 | brcmf_detach(dev); |
5b435de0 | 908 | |
712ac5b3 | 909 | return ret; |
5b435de0 AS |
910 | } |
911 | ||
ed683c98 | 912 | int brcmf_bus_start(struct device *dev) |
5b435de0 AS |
913 | { |
914 | int ret = -1; | |
ed683c98 FL |
915 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
916 | struct brcmf_pub *drvr = bus_if->drvr; | |
1ed9baf0 | 917 | struct brcmf_if *ifp; |
2fde59d9 | 918 | struct brcmf_if *p2p_ifp; |
5b435de0 AS |
919 | |
920 | brcmf_dbg(TRACE, "\n"); | |
921 | ||
1ed9baf0 | 922 | /* add primary networking interface */ |
699b5e5b | 923 | ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); |
1ed9baf0 AS |
924 | if (IS_ERR(ifp)) |
925 | return PTR_ERR(ifp); | |
926 | ||
2fde59d9 HM |
927 | if (brcmf_p2p_enable) |
928 | p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); | |
929 | else | |
930 | p2p_ifp = NULL; | |
931 | if (IS_ERR(p2p_ifp)) | |
932 | p2p_ifp = NULL; | |
933 | ||
0af29bf7 | 934 | /* signal bus ready */ |
bb350711 | 935 | brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA); |
0af29bf7 HM |
936 | |
937 | /* Bus is ready, do any initialization */ | |
938 | ret = brcmf_c_preinit_dcmds(ifp); | |
5b435de0 | 939 | if (ret < 0) |
6b028c5e | 940 | goto fail; |
5b435de0 | 941 | |
c08437b4 AS |
942 | brcmf_feat_attach(drvr); |
943 | ||
a786b38d AS |
944 | ret = brcmf_fws_init(drvr); |
945 | if (ret < 0) | |
946 | goto fail; | |
947 | ||
bb8c8063 | 948 | brcmf_fws_add_interface(ifp); |
349e7104 | 949 | |
d9cb2596 | 950 | drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); |
6b028c5e HM |
951 | if (drvr->config == NULL) { |
952 | ret = -ENOMEM; | |
953 | goto fail; | |
954 | } | |
1ed9baf0 | 955 | |
5c36b99a AS |
956 | ret = brcmf_fweh_activate_events(ifp); |
957 | if (ret < 0) | |
958 | goto fail; | |
959 | ||
28c14f4a | 960 | ret = brcmf_net_attach(ifp, false); |
6b028c5e | 961 | fail: |
1ed9baf0 | 962 | if (ret < 0) { |
5e8149f5 | 963 | brcmf_err("failed: %d\n", ret); |
e1479951 | 964 | brcmf_cfg80211_detach(drvr->config); |
bb8c8063 AS |
965 | if (drvr->fws) { |
966 | brcmf_fws_del_interface(ifp); | |
349e7104 | 967 | brcmf_fws_deinit(drvr); |
bb8c8063 | 968 | } |
ee06fcad AS |
969 | if (drvr->iflist[0]) { |
970 | free_netdev(ifp->ndev); | |
971 | drvr->iflist[0] = NULL; | |
972 | } | |
2fde59d9 HM |
973 | if (p2p_ifp) { |
974 | free_netdev(p2p_ifp->ndev); | |
975 | drvr->iflist[1] = NULL; | |
976 | } | |
474a64c8 | 977 | return ret; |
1ed9baf0 | 978 | } |
2fde59d9 | 979 | if ((brcmf_p2p_enable) && (p2p_ifp)) |
9390ace9 AS |
980 | if (brcmf_net_p2p_attach(p2p_ifp) < 0) |
981 | brcmf_p2p_enable = 0; | |
1ed9baf0 | 982 | |
5b435de0 AS |
983 | return 0; |
984 | } | |
985 | ||
8dee77ba AS |
986 | void brcmf_bus_add_txhdrlen(struct device *dev, uint len) |
987 | { | |
988 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
989 | struct brcmf_pub *drvr = bus_if->drvr; | |
990 | ||
991 | if (drvr) { | |
992 | drvr->hdrlen += len; | |
993 | } | |
994 | } | |
995 | ||
5b435de0 AS |
996 | static void brcmf_bus_detach(struct brcmf_pub *drvr) |
997 | { | |
5b435de0 AS |
998 | brcmf_dbg(TRACE, "Enter\n"); |
999 | ||
1000 | if (drvr) { | |
d08b6a37 | 1001 | /* Stop the bus module */ |
d9cb2596 | 1002 | brcmf_bus_stop(drvr->bus_if); |
5b435de0 AS |
1003 | } |
1004 | } | |
1005 | ||
81d5f1bb AS |
1006 | void brcmf_dev_reset(struct device *dev) |
1007 | { | |
1008 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1009 | struct brcmf_pub *drvr = bus_if->drvr; | |
1010 | ||
1011 | if (drvr == NULL) | |
1012 | return; | |
1013 | ||
643ecaab HM |
1014 | if (drvr->iflist[0]) |
1015 | brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); | |
81d5f1bb AS |
1016 | } |
1017 | ||
5f947ad9 | 1018 | void brcmf_detach(struct device *dev) |
5b435de0 | 1019 | { |
2880b868 | 1020 | s32 i; |
5f947ad9 FL |
1021 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
1022 | struct brcmf_pub *drvr = bus_if->drvr; | |
5b435de0 AS |
1023 | |
1024 | brcmf_dbg(TRACE, "Enter\n"); | |
1025 | ||
817b178c HM |
1026 | if (drvr == NULL) |
1027 | return; | |
5b435de0 | 1028 | |
5c36b99a AS |
1029 | /* stop firmware event handling */ |
1030 | brcmf_fweh_detach(drvr); | |
1031 | ||
bb350711 AS |
1032 | brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); |
1033 | ||
5f947ad9 FL |
1034 | /* make sure primary interface removed last */ |
1035 | for (i = BRCMF_MAX_IFS-1; i > -1; i--) | |
bb8c8063 AS |
1036 | if (drvr->iflist[i]) { |
1037 | brcmf_fws_del_interface(drvr->iflist[i]); | |
5f947ad9 | 1038 | brcmf_del_if(drvr, i); |
bb8c8063 | 1039 | } |
5b435de0 | 1040 | |
e1479951 AS |
1041 | brcmf_cfg80211_detach(drvr->config); |
1042 | ||
05c2c767 HM |
1043 | brcmf_fws_deinit(drvr); |
1044 | ||
5f947ad9 | 1045 | brcmf_bus_detach(drvr); |
5b435de0 | 1046 | |
85b84133 | 1047 | brcmf_proto_detach(drvr); |
5b435de0 | 1048 | |
d319a7cf | 1049 | brcmf_debugfs_detach(drvr); |
5f947ad9 FL |
1050 | bus_if->drvr = NULL; |
1051 | kfree(drvr); | |
5b435de0 AS |
1052 | } |
1053 | ||
cf458287 AS |
1054 | s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len) |
1055 | { | |
1056 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1057 | struct brcmf_if *ifp = bus_if->drvr->iflist[0]; | |
1058 | ||
1059 | return brcmf_fil_iovar_data_set(ifp, name, data, len); | |
1060 | } | |
1061 | ||
10ef7321 | 1062 | static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) |
5b435de0 | 1063 | { |
10ef7321 | 1064 | return atomic_read(&ifp->pend_8021x_cnt); |
5b435de0 AS |
1065 | } |
1066 | ||
5b435de0 AS |
1067 | int brcmf_netdev_wait_pend8021x(struct net_device *ndev) |
1068 | { | |
e1b83586 | 1069 | struct brcmf_if *ifp = netdev_priv(ndev); |
21fff75d HM |
1070 | int err; |
1071 | ||
10ef7321 HM |
1072 | err = wait_event_timeout(ifp->pend_8021x_wait, |
1073 | !brcmf_get_pend_8021x_cnt(ifp), | |
21fff75d HM |
1074 | msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); |
1075 | ||
1076 | WARN_ON(!err); | |
1077 | ||
1078 | return !err; | |
5b435de0 AS |
1079 | } |
1080 | ||
db4efbbe | 1081 | static void brcmf_driver_register(struct work_struct *work) |
f3d7cdc3 | 1082 | { |
f3d7cdc3 | 1083 | #ifdef CONFIG_BRCMFMAC_SDIO |
db4efbbe | 1084 | brcmf_sdio_register(); |
f3d7cdc3 | 1085 | #endif |
71bb244b | 1086 | #ifdef CONFIG_BRCMFMAC_USB |
db4efbbe | 1087 | brcmf_usb_register(); |
71bb244b | 1088 | #endif |
9e37f045 HM |
1089 | #ifdef CONFIG_BRCMFMAC_PCIE |
1090 | brcmf_pcie_register(); | |
1091 | #endif | |
e64a4b70 | 1092 | } |
db4efbbe | 1093 | static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); |
e64a4b70 AS |
1094 | |
1095 | static int __init brcmfmac_module_init(void) | |
1096 | { | |
db4efbbe AS |
1097 | brcmf_debugfs_init(); |
1098 | #ifdef CONFIG_BRCMFMAC_SDIO | |
1099 | brcmf_sdio_init(); | |
1100 | #endif | |
e64a4b70 AS |
1101 | if (!schedule_work(&brcmf_driver_work)) |
1102 | return -EBUSY; | |
1103 | ||
549040ab | 1104 | return 0; |
f3d7cdc3 AS |
1105 | } |
1106 | ||
e64a4b70 | 1107 | static void __exit brcmfmac_module_exit(void) |
f3d7cdc3 | 1108 | { |
e64a4b70 AS |
1109 | cancel_work_sync(&brcmf_driver_work); |
1110 | ||
f3d7cdc3 AS |
1111 | #ifdef CONFIG_BRCMFMAC_SDIO |
1112 | brcmf_sdio_exit(); | |
1113 | #endif | |
71bb244b AS |
1114 | #ifdef CONFIG_BRCMFMAC_USB |
1115 | brcmf_usb_exit(); | |
9e37f045 HM |
1116 | #endif |
1117 | #ifdef CONFIG_BRCMFMAC_PCIE | |
1118 | brcmf_pcie_exit(); | |
71bb244b | 1119 | #endif |
d319a7cf | 1120 | brcmf_debugfs_exit(); |
f3d7cdc3 AS |
1121 | } |
1122 | ||
e64a4b70 AS |
1123 | module_init(brcmfmac_module_init); |
1124 | module_exit(brcmfmac_module_exit); |