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" |
85b84133 | 33 | #include "proto.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 | |
87edd891 AS |
41 | /* AMPDU rx reordering definitions */ |
42 | #define BRCMF_RXREORDER_FLOWID_OFFSET 0 | |
43 | #define BRCMF_RXREORDER_MAXIDX_OFFSET 2 | |
44 | #define BRCMF_RXREORDER_FLAGS_OFFSET 4 | |
45 | #define BRCMF_RXREORDER_CURIDX_OFFSET 6 | |
46 | #define BRCMF_RXREORDER_EXPIDX_OFFSET 8 | |
47 | ||
48 | #define BRCMF_RXREORDER_DEL_FLOW 0x01 | |
49 | #define BRCMF_RXREORDER_FLUSH_ALL 0x02 | |
50 | #define BRCMF_RXREORDER_CURIDX_VALID 0x04 | |
51 | #define BRCMF_RXREORDER_EXPIDX_VALID 0x08 | |
52 | #define BRCMF_RXREORDER_NEW_HOLE 0x10 | |
53 | ||
5b435de0 | 54 | /* Error bits */ |
5e8149f5 | 55 | int brcmf_msg_level; |
1b255c92 AS |
56 | module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR); |
57 | MODULE_PARM_DESC(debug, "level of debug output"); | |
5b435de0 | 58 | |
2fde59d9 HM |
59 | /* P2P0 enable */ |
60 | static int brcmf_p2p_enable; | |
61 | #ifdef CONFIG_BRCMDBG | |
62 | module_param_named(p2pon, brcmf_p2p_enable, int, 0); | |
63 | MODULE_PARM_DESC(p2pon, "enable p2p management functionality"); | |
64 | #endif | |
5b435de0 AS |
65 | |
66 | char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) | |
67 | { | |
5b435de0 | 68 | if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { |
5e8149f5 | 69 | brcmf_err("ifidx %d out of range\n", ifidx); |
5b435de0 AS |
70 | return "<if_bad>"; |
71 | } | |
72 | ||
d08b6a37 | 73 | if (drvr->iflist[ifidx] == NULL) { |
5e8149f5 | 74 | brcmf_err("null i/f %d\n", ifidx); |
5b435de0 AS |
75 | return "<if_null>"; |
76 | } | |
77 | ||
d08b6a37 FL |
78 | if (drvr->iflist[ifidx]->ndev) |
79 | return drvr->iflist[ifidx]->ndev->name; | |
5b435de0 AS |
80 | |
81 | return "<if_none>"; | |
82 | } | |
83 | ||
84 | static void _brcmf_set_multicast_list(struct work_struct *work) | |
85 | { | |
db22ae8c | 86 | struct brcmf_if *ifp; |
5b435de0 AS |
87 | struct net_device *ndev; |
88 | struct netdev_hw_addr *ha; | |
db22ae8c | 89 | u32 cmd_value, cnt; |
5b435de0 | 90 | __le32 cnt_le; |
5b435de0 | 91 | char *buf, *bufp; |
db22ae8c HM |
92 | u32 buflen; |
93 | s32 err; | |
5b435de0 | 94 | |
bdf5ff51 | 95 | ifp = container_of(work, struct brcmf_if, multicast_work); |
94889b1f | 96 | |
2880b868 | 97 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
94889b1f | 98 | |
db22ae8c | 99 | ndev = ifp->ndev; |
5b435de0 AS |
100 | |
101 | /* Determine initial value of allmulti flag */ | |
db22ae8c | 102 | cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; |
5b435de0 AS |
103 | |
104 | /* Send down the multicast list first. */ | |
db22ae8c HM |
105 | cnt = netdev_mc_count(ndev); |
106 | buflen = sizeof(cnt) + (cnt * ETH_ALEN); | |
107 | buf = kmalloc(buflen, GFP_ATOMIC); | |
108 | if (!buf) | |
5b435de0 | 109 | return; |
db22ae8c | 110 | bufp = buf; |
5b435de0 AS |
111 | |
112 | cnt_le = cpu_to_le32(cnt); | |
db22ae8c | 113 | memcpy(bufp, &cnt_le, sizeof(cnt_le)); |
5b435de0 AS |
114 | bufp += sizeof(cnt_le); |
115 | ||
116 | netdev_for_each_mc_addr(ha, ndev) { | |
117 | if (!cnt) | |
118 | break; | |
119 | memcpy(bufp, ha->addr, ETH_ALEN); | |
120 | bufp += ETH_ALEN; | |
121 | cnt--; | |
122 | } | |
123 | ||
db22ae8c HM |
124 | err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); |
125 | if (err < 0) { | |
5e8149f5 | 126 | brcmf_err("Setting mcast_list failed, %d\n", err); |
db22ae8c | 127 | cmd_value = cnt ? true : cmd_value; |
5b435de0 AS |
128 | } |
129 | ||
130 | kfree(buf); | |
131 | ||
db22ae8c HM |
132 | /* |
133 | * Now send the allmulti setting. This is based on the setting in the | |
5b435de0 AS |
134 | * net_device flags, but might be modified above to be turned on if we |
135 | * were trying to set some addresses and dongle rejected it... | |
136 | */ | |
db22ae8c HM |
137 | err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); |
138 | if (err < 0) | |
5e8149f5 | 139 | brcmf_err("Setting allmulti failed, %d\n", err); |
db22ae8c HM |
140 | |
141 | /*Finally, pick up the PROMISC flag */ | |
142 | cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; | |
143 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); | |
144 | if (err < 0) | |
5e8149f5 | 145 | brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", |
db22ae8c | 146 | err); |
5b435de0 AS |
147 | } |
148 | ||
149 | static void | |
150 | _brcmf_set_mac_address(struct work_struct *work) | |
151 | { | |
db22ae8c | 152 | struct brcmf_if *ifp; |
db22ae8c | 153 | s32 err; |
5b435de0 | 154 | |
bdf5ff51 | 155 | ifp = container_of(work, struct brcmf_if, setmacaddr_work); |
94889b1f | 156 | |
2880b868 | 157 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
94889b1f | 158 | |
bdf5ff51 | 159 | err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, |
db22ae8c HM |
160 | ETH_ALEN); |
161 | if (err < 0) { | |
5e8149f5 | 162 | brcmf_err("Setting cur_etheraddr failed, %d\n", err); |
db22ae8c HM |
163 | } else { |
164 | brcmf_dbg(TRACE, "MAC address updated to %pM\n", | |
bdf5ff51 AS |
165 | ifp->mac_addr); |
166 | memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
db22ae8c | 167 | } |
5b435de0 AS |
168 | } |
169 | ||
170 | static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) | |
171 | { | |
e1b83586 | 172 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 173 | struct sockaddr *sa = (struct sockaddr *)addr; |
5b435de0 | 174 | |
bdf5ff51 AS |
175 | memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); |
176 | schedule_work(&ifp->setmacaddr_work); | |
5b435de0 AS |
177 | return 0; |
178 | } | |
179 | ||
180 | static void brcmf_netdev_set_multicast_list(struct net_device *ndev) | |
181 | { | |
e1b83586 | 182 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 183 | |
bdf5ff51 | 184 | schedule_work(&ifp->multicast_work); |
5b435de0 AS |
185 | } |
186 | ||
80fd2dbe HM |
187 | static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, |
188 | struct net_device *ndev) | |
5b435de0 AS |
189 | { |
190 | int ret; | |
e1b83586 | 191 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 192 | struct brcmf_pub *drvr = ifp->drvr; |
55929443 | 193 | struct ethhdr *eh = (struct ethhdr *)(skb->data); |
5b435de0 | 194 | |
8071fd61 | 195 | brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 196 | |
80fd2dbe HM |
197 | /* Can the device send data? */ |
198 | if (drvr->bus_if->state != BRCMF_BUS_DATA) { | |
199 | brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); | |
5b435de0 | 200 | netif_stop_queue(ndev); |
80fd2dbe HM |
201 | dev_kfree_skb(skb); |
202 | ret = -ENODEV; | |
203 | goto done; | |
5b435de0 AS |
204 | } |
205 | ||
2880b868 HM |
206 | if (!drvr->iflist[ifp->bssidx]) { |
207 | brcmf_err("bad ifidx %d\n", ifp->bssidx); | |
5b435de0 | 208 | netif_stop_queue(ndev); |
80fd2dbe HM |
209 | dev_kfree_skb(skb); |
210 | ret = -ENODEV; | |
211 | goto done; | |
5b435de0 AS |
212 | } |
213 | ||
214 | /* Make sure there's enough room for any header */ | |
d08b6a37 | 215 | if (skb_headroom(skb) < drvr->hdrlen) { |
5b435de0 AS |
216 | struct sk_buff *skb2; |
217 | ||
218 | brcmf_dbg(INFO, "%s: insufficient headroom\n", | |
2880b868 | 219 | brcmf_ifname(drvr, ifp->bssidx)); |
9c1a043a | 220 | drvr->bus_if->tx_realloc++; |
d08b6a37 | 221 | skb2 = skb_realloc_headroom(skb, drvr->hdrlen); |
5b435de0 AS |
222 | dev_kfree_skb(skb); |
223 | skb = skb2; | |
224 | if (skb == NULL) { | |
5e8149f5 | 225 | brcmf_err("%s: skb_realloc_headroom failed\n", |
2880b868 | 226 | brcmf_ifname(drvr, ifp->bssidx)); |
5b435de0 AS |
227 | ret = -ENOMEM; |
228 | goto done; | |
229 | } | |
230 | } | |
231 | ||
12b33dac AS |
232 | /* validate length for ether packet */ |
233 | if (skb->len < sizeof(*eh)) { | |
234 | ret = -EINVAL; | |
235 | dev_kfree_skb(skb); | |
236 | goto done; | |
8514fd02 FL |
237 | } |
238 | ||
55929443 HM |
239 | if (eh->h_proto == htons(ETH_P_PAE)) |
240 | atomic_inc(&ifp->pend_8021x_cnt); | |
241 | ||
3edc1cff | 242 | ret = brcmf_fws_process_skb(ifp, skb); |
5b435de0 AS |
243 | |
244 | done: | |
b1a2a411 HM |
245 | if (ret) { |
246 | ifp->stats.tx_dropped++; | |
247 | } else { | |
248 | ifp->stats.tx_packets++; | |
249 | ifp->stats.tx_bytes += skb->len; | |
250 | } | |
5b435de0 AS |
251 | |
252 | /* Return ok: we always eat the packet */ | |
80fd2dbe | 253 | return NETDEV_TX_OK; |
5b435de0 AS |
254 | } |
255 | ||
29e04ae3 AS |
256 | void brcmf_txflowblock_if(struct brcmf_if *ifp, |
257 | enum brcmf_netif_stop_reason reason, bool state) | |
258 | { | |
df50f756 HM |
259 | unsigned long flags; |
260 | ||
23d412a2 | 261 | if (!ifp || !ifp->ndev) |
29e04ae3 AS |
262 | return; |
263 | ||
264 | brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", | |
265 | ifp->bssidx, ifp->netif_stop, reason, state); | |
df50f756 HM |
266 | |
267 | spin_lock_irqsave(&ifp->netif_stop_lock, flags); | |
29e04ae3 AS |
268 | if (state) { |
269 | if (!ifp->netif_stop) | |
270 | netif_stop_queue(ifp->ndev); | |
271 | ifp->netif_stop |= reason; | |
272 | } else { | |
273 | ifp->netif_stop &= ~reason; | |
274 | if (!ifp->netif_stop) | |
275 | netif_wake_queue(ifp->ndev); | |
276 | } | |
df50f756 | 277 | spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); |
29e04ae3 AS |
278 | } |
279 | ||
90d03ff7 | 280 | void brcmf_txflowblock(struct device *dev, bool state) |
5b435de0 | 281 | { |
2b459056 FL |
282 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
283 | struct brcmf_pub *drvr = bus_if->drvr; | |
5b435de0 AS |
284 | |
285 | brcmf_dbg(TRACE, "Enter\n"); | |
286 | ||
0a4254be | 287 | brcmf_fws_bus_blocked(drvr, state); |
5b435de0 AS |
288 | } |
289 | ||
87edd891 AS |
290 | static void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb) |
291 | { | |
292 | skb->dev = ifp->ndev; | |
293 | skb->protocol = eth_type_trans(skb, skb->dev); | |
294 | ||
295 | if (skb->pkt_type == PACKET_MULTICAST) | |
296 | ifp->stats.multicast++; | |
297 | ||
298 | /* Process special event packets */ | |
299 | brcmf_fweh_process_skb(ifp->drvr, skb); | |
300 | ||
301 | if (!(ifp->ndev->flags & IFF_UP)) { | |
302 | brcmu_pkt_buf_free_skb(skb); | |
303 | return; | |
304 | } | |
305 | ||
306 | ifp->stats.rx_bytes += skb->len; | |
307 | ifp->stats.rx_packets++; | |
308 | ||
309 | brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol)); | |
310 | if (in_interrupt()) | |
311 | netif_rx(skb); | |
312 | else | |
313 | /* If the receive is not processed inside an ISR, | |
314 | * the softirqd must be woken explicitly to service | |
315 | * the NET_RX_SOFTIRQ. This is handled by netif_rx_ni(). | |
316 | */ | |
317 | netif_rx_ni(skb); | |
318 | } | |
319 | ||
320 | static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi, | |
321 | u8 start, u8 end, | |
322 | struct sk_buff_head *skb_list) | |
323 | { | |
324 | /* initialize return list */ | |
325 | __skb_queue_head_init(skb_list); | |
326 | ||
327 | if (rfi->pend_pkts == 0) { | |
328 | brcmf_dbg(INFO, "no packets in reorder queue\n"); | |
329 | return; | |
330 | } | |
331 | ||
332 | do { | |
333 | if (rfi->pktslots[start]) { | |
334 | __skb_queue_tail(skb_list, rfi->pktslots[start]); | |
335 | rfi->pktslots[start] = NULL; | |
336 | } | |
337 | start++; | |
338 | if (start > rfi->max_idx) | |
339 | start = 0; | |
340 | } while (start != end); | |
341 | rfi->pend_pkts -= skb_queue_len(skb_list); | |
342 | } | |
343 | ||
344 | static void brcmf_rxreorder_process_info(struct brcmf_if *ifp, u8 *reorder_data, | |
345 | struct sk_buff *pkt) | |
346 | { | |
347 | u8 flow_id, max_idx, cur_idx, exp_idx, end_idx; | |
348 | struct brcmf_ampdu_rx_reorder *rfi; | |
349 | struct sk_buff_head reorder_list; | |
350 | struct sk_buff *pnext; | |
351 | u8 flags; | |
352 | u32 buf_size; | |
353 | ||
354 | flow_id = reorder_data[BRCMF_RXREORDER_FLOWID_OFFSET]; | |
355 | flags = reorder_data[BRCMF_RXREORDER_FLAGS_OFFSET]; | |
356 | ||
357 | /* validate flags and flow id */ | |
358 | if (flags == 0xFF) { | |
359 | brcmf_err("invalid flags...so ignore this packet\n"); | |
360 | brcmf_netif_rx(ifp, pkt); | |
361 | return; | |
362 | } | |
363 | ||
364 | rfi = ifp->drvr->reorder_flows[flow_id]; | |
365 | if (flags & BRCMF_RXREORDER_DEL_FLOW) { | |
366 | brcmf_dbg(INFO, "flow-%d: delete\n", | |
367 | flow_id); | |
368 | ||
369 | if (rfi == NULL) { | |
370 | brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n", | |
371 | flow_id); | |
372 | brcmf_netif_rx(ifp, pkt); | |
373 | return; | |
374 | } | |
375 | ||
376 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, rfi->exp_idx, | |
377 | &reorder_list); | |
378 | /* add the last packet */ | |
379 | __skb_queue_tail(&reorder_list, pkt); | |
380 | kfree(rfi); | |
381 | ifp->drvr->reorder_flows[flow_id] = NULL; | |
382 | goto netif_rx; | |
383 | } | |
384 | /* from here on we need a flow reorder instance */ | |
385 | if (rfi == NULL) { | |
386 | buf_size = sizeof(*rfi); | |
387 | max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; | |
388 | ||
389 | buf_size += (max_idx + 1) * sizeof(pkt); | |
390 | ||
391 | /* allocate space for flow reorder info */ | |
392 | brcmf_dbg(INFO, "flow-%d: start, maxidx %d\n", | |
393 | flow_id, max_idx); | |
394 | rfi = kzalloc(buf_size, GFP_ATOMIC); | |
395 | if (rfi == NULL) { | |
396 | brcmf_err("failed to alloc buffer\n"); | |
397 | brcmf_netif_rx(ifp, pkt); | |
398 | return; | |
399 | } | |
400 | ||
401 | ifp->drvr->reorder_flows[flow_id] = rfi; | |
402 | rfi->pktslots = (struct sk_buff **)(rfi+1); | |
403 | rfi->max_idx = max_idx; | |
404 | } | |
405 | if (flags & BRCMF_RXREORDER_NEW_HOLE) { | |
406 | if (rfi->pend_pkts) { | |
407 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, | |
408 | rfi->exp_idx, | |
409 | &reorder_list); | |
410 | WARN_ON(rfi->pend_pkts); | |
411 | } else { | |
412 | __skb_queue_head_init(&reorder_list); | |
413 | } | |
414 | rfi->cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; | |
415 | rfi->exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; | |
416 | rfi->max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; | |
417 | rfi->pktslots[rfi->cur_idx] = pkt; | |
418 | rfi->pend_pkts++; | |
419 | brcmf_dbg(DATA, "flow-%d: new hole %d (%d), pending %d\n", | |
420 | flow_id, rfi->cur_idx, rfi->exp_idx, rfi->pend_pkts); | |
421 | } else if (flags & BRCMF_RXREORDER_CURIDX_VALID) { | |
422 | cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; | |
423 | exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; | |
424 | ||
425 | if ((exp_idx == rfi->exp_idx) && (cur_idx != rfi->exp_idx)) { | |
426 | /* still in the current hole */ | |
427 | /* enqueue the current on the buffer chain */ | |
428 | if (rfi->pktslots[cur_idx] != NULL) { | |
429 | brcmf_dbg(INFO, "HOLE: ERROR buffer pending..free it\n"); | |
430 | brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); | |
431 | rfi->pktslots[cur_idx] = NULL; | |
432 | } | |
433 | rfi->pktslots[cur_idx] = pkt; | |
434 | rfi->pend_pkts++; | |
435 | rfi->cur_idx = cur_idx; | |
436 | brcmf_dbg(DATA, "flow-%d: store pkt %d (%d), pending %d\n", | |
437 | flow_id, cur_idx, exp_idx, rfi->pend_pkts); | |
438 | ||
439 | /* can return now as there is no reorder | |
440 | * list to process. | |
441 | */ | |
442 | return; | |
443 | } | |
444 | if (rfi->exp_idx == cur_idx) { | |
445 | if (rfi->pktslots[cur_idx] != NULL) { | |
446 | brcmf_dbg(INFO, "error buffer pending..free it\n"); | |
447 | brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); | |
448 | rfi->pktslots[cur_idx] = NULL; | |
449 | } | |
450 | rfi->pktslots[cur_idx] = pkt; | |
451 | rfi->pend_pkts++; | |
452 | ||
453 | /* got the expected one. flush from current to expected | |
454 | * and update expected | |
455 | */ | |
456 | brcmf_dbg(DATA, "flow-%d: expected %d (%d), pending %d\n", | |
457 | flow_id, cur_idx, exp_idx, rfi->pend_pkts); | |
458 | ||
459 | rfi->cur_idx = cur_idx; | |
460 | rfi->exp_idx = exp_idx; | |
461 | ||
462 | brcmf_rxreorder_get_skb_list(rfi, cur_idx, exp_idx, | |
463 | &reorder_list); | |
464 | brcmf_dbg(DATA, "flow-%d: freeing buffers %d, pending %d\n", | |
465 | flow_id, skb_queue_len(&reorder_list), | |
466 | rfi->pend_pkts); | |
467 | } else { | |
468 | u8 end_idx; | |
469 | ||
470 | brcmf_dbg(DATA, "flow-%d (0x%x): both moved, old %d/%d, new %d/%d\n", | |
471 | flow_id, flags, rfi->cur_idx, rfi->exp_idx, | |
472 | cur_idx, exp_idx); | |
473 | if (flags & BRCMF_RXREORDER_FLUSH_ALL) | |
474 | end_idx = rfi->exp_idx; | |
475 | else | |
476 | end_idx = exp_idx; | |
477 | ||
478 | /* flush pkts first */ | |
479 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, | |
480 | &reorder_list); | |
481 | ||
482 | if (exp_idx == ((cur_idx + 1) % (rfi->max_idx + 1))) { | |
483 | __skb_queue_tail(&reorder_list, pkt); | |
484 | } else { | |
485 | rfi->pktslots[cur_idx] = pkt; | |
486 | rfi->pend_pkts++; | |
487 | } | |
488 | rfi->exp_idx = exp_idx; | |
489 | rfi->cur_idx = cur_idx; | |
490 | } | |
491 | } else { | |
492 | /* explicity window move updating the expected index */ | |
493 | exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; | |
494 | ||
495 | brcmf_dbg(DATA, "flow-%d (0x%x): change expected: %d -> %d\n", | |
496 | flow_id, flags, rfi->exp_idx, exp_idx); | |
497 | if (flags & BRCMF_RXREORDER_FLUSH_ALL) | |
498 | end_idx = rfi->exp_idx; | |
499 | else | |
500 | end_idx = exp_idx; | |
501 | ||
502 | brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, | |
503 | &reorder_list); | |
504 | __skb_queue_tail(&reorder_list, pkt); | |
505 | /* set the new expected idx */ | |
506 | rfi->exp_idx = exp_idx; | |
507 | } | |
508 | netif_rx: | |
509 | skb_queue_walk_safe(&reorder_list, pkt, pnext) { | |
510 | __skb_unlink(pkt, &reorder_list); | |
511 | brcmf_netif_rx(ifp, pkt); | |
512 | } | |
513 | } | |
514 | ||
05f3820b | 515 | void brcmf_rx_frame(struct device *dev, struct sk_buff *skb) |
5b435de0 | 516 | { |
5b435de0 | 517 | struct brcmf_if *ifp; |
228bb43d FL |
518 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
519 | struct brcmf_pub *drvr = bus_if->drvr; | |
87edd891 | 520 | struct brcmf_skb_reorder_data *rd; |
a43af515 AS |
521 | u8 ifidx; |
522 | int ret; | |
5b435de0 | 523 | |
05f3820b | 524 | brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb); |
5b435de0 | 525 | |
05f3820b AS |
526 | /* process and remove protocol-specific header */ |
527 | ret = brcmf_proto_hdrpull(drvr, true, &ifidx, skb); | |
528 | ifp = drvr->iflist[ifidx]; | |
a43af515 | 529 | |
05f3820b AS |
530 | if (ret || !ifp || !ifp->ndev) { |
531 | if ((ret != -ENODATA) && ifp) | |
532 | ifp->stats.rx_errors++; | |
533 | brcmu_pkt_buf_free_skb(skb); | |
534 | return; | |
5b435de0 | 535 | } |
05f3820b AS |
536 | |
537 | rd = (struct brcmf_skb_reorder_data *)skb->cb; | |
538 | if (rd->reorder) | |
539 | brcmf_rxreorder_process_info(ifp, rd->reorder, skb); | |
540 | else | |
541 | brcmf_netif_rx(ifp, skb); | |
5b435de0 AS |
542 | } |
543 | ||
53e30ea4 | 544 | void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, |
c7f34a69 | 545 | bool success) |
5b435de0 | 546 | { |
c7f34a69 | 547 | struct brcmf_if *ifp; |
5b435de0 AS |
548 | struct ethhdr *eh; |
549 | u16 type; | |
5b435de0 | 550 | |
b1a2a411 HM |
551 | ifp = drvr->iflist[ifidx]; |
552 | if (!ifp) | |
3edc1cff | 553 | goto done; |
b1a2a411 | 554 | |
53e30ea4 HM |
555 | eh = (struct ethhdr *)(txp->data); |
556 | type = ntohs(eh->h_proto); | |
5b435de0 | 557 | |
53e30ea4 HM |
558 | if (type == ETH_P_PAE) { |
559 | atomic_dec(&ifp->pend_8021x_cnt); | |
560 | if (waitqueue_active(&ifp->pend_8021x_wait)) | |
561 | wake_up(&ifp->pend_8021x_wait); | |
21fff75d | 562 | } |
53e30ea4 | 563 | |
b1a2a411 HM |
564 | if (!success) |
565 | ifp->stats.tx_errors++; | |
3edc1cff AS |
566 | done: |
567 | brcmu_pkt_buf_free_skb(txp); | |
c7f34a69 | 568 | } |
7f4bceec | 569 | |
c7f34a69 AS |
570 | void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) |
571 | { | |
572 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
573 | struct brcmf_pub *drvr = bus_if->drvr; | |
53e30ea4 | 574 | u8 ifidx; |
c7f34a69 | 575 | |
0f8b5cc5 AS |
576 | /* await txstatus signal for firmware if active */ |
577 | if (brcmf_fws_fc_active(drvr->fws)) { | |
578 | if (!success) | |
579 | brcmf_fws_bustxfail(drvr->fws, txp); | |
580 | } else { | |
53e30ea4 HM |
581 | if (brcmf_proto_hdrpull(drvr, false, &ifidx, txp)) |
582 | brcmu_pkt_buf_free_skb(txp); | |
583 | else | |
584 | brcmf_txfinalize(drvr, txp, ifidx, success); | |
0f8b5cc5 | 585 | } |
5b435de0 AS |
586 | } |
587 | ||
588 | static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) | |
589 | { | |
e1b83586 | 590 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 591 | |
2880b868 | 592 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 AS |
593 | |
594 | return &ifp->stats; | |
595 | } | |
596 | ||
5b435de0 AS |
597 | static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, |
598 | struct ethtool_drvinfo *info) | |
599 | { | |
e1b83586 | 600 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 601 | struct brcmf_pub *drvr = ifp->drvr; |
5b435de0 | 602 | |
7826d43f | 603 | strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); |
55685b8f AS |
604 | snprintf(info->version, sizeof(info->version), "n/a"); |
605 | strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); | |
7826d43f JP |
606 | strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), |
607 | sizeof(info->bus_info)); | |
5b435de0 AS |
608 | } |
609 | ||
3eb1fa7e SH |
610 | static const struct ethtool_ops brcmf_ethtool_ops = { |
611 | .get_drvinfo = brcmf_ethtool_get_drvinfo, | |
5b435de0 AS |
612 | }; |
613 | ||
5b435de0 AS |
614 | static int brcmf_netdev_stop(struct net_device *ndev) |
615 | { | |
e1b83586 | 616 | struct brcmf_if *ifp = netdev_priv(ndev); |
817b178c | 617 | |
2880b868 | 618 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 619 | |
bdf5ff51 | 620 | brcmf_cfg80211_down(ndev); |
817b178c | 621 | |
5b435de0 | 622 | /* Set state and stop OS transmissions */ |
5b435de0 AS |
623 | netif_stop_queue(ndev); |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | static int brcmf_netdev_open(struct net_device *ndev) | |
629 | { | |
e1b83586 | 630 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 631 | struct brcmf_pub *drvr = ifp->drvr; |
1bb1f384 | 632 | struct brcmf_bus *bus_if = drvr->bus_if; |
5b435de0 | 633 | u32 toe_ol; |
5b435de0 | 634 | |
2880b868 | 635 | brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); |
5b435de0 | 636 | |
bdf5ff51 AS |
637 | /* If bus is not ready, can't continue */ |
638 | if (bus_if->state != BRCMF_BUS_DATA) { | |
5e8149f5 | 639 | brcmf_err("failed bus is not ready\n"); |
bdf5ff51 AS |
640 | return -EAGAIN; |
641 | } | |
1bb1f384 | 642 | |
10ef7321 | 643 | atomic_set(&ifp->pend_8021x_cnt, 0); |
5b435de0 | 644 | |
bdf5ff51 AS |
645 | /* Get current TOE mode from dongle */ |
646 | if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 | |
647 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
40a23296 | 648 | ndev->features |= NETIF_F_IP_CSUM; |
bdf5ff51 | 649 | else |
40a23296 | 650 | ndev->features &= ~NETIF_F_IP_CSUM; |
3338084a | 651 | |
bdf5ff51 | 652 | if (brcmf_cfg80211_up(ndev)) { |
5e8149f5 | 653 | brcmf_err("failed to bring up cfg80211\n"); |
dcede4b8 | 654 | return -EIO; |
5b435de0 AS |
655 | } |
656 | ||
dcede4b8 AS |
657 | /* Allow transmit calls */ |
658 | netif_start_queue(ndev); | |
659 | return 0; | |
5b435de0 AS |
660 | } |
661 | ||
dfded557 FL |
662 | static const struct net_device_ops brcmf_netdev_ops_pri = { |
663 | .ndo_open = brcmf_netdev_open, | |
664 | .ndo_stop = brcmf_netdev_stop, | |
665 | .ndo_get_stats = brcmf_netdev_get_stats, | |
dfded557 FL |
666 | .ndo_start_xmit = brcmf_netdev_start_xmit, |
667 | .ndo_set_mac_address = brcmf_netdev_set_mac_address, | |
668 | .ndo_set_rx_mode = brcmf_netdev_set_multicast_list | |
669 | }; | |
670 | ||
28c14f4a | 671 | int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) |
75c49904 | 672 | { |
3625c149 | 673 | struct brcmf_pub *drvr = ifp->drvr; |
75c49904 | 674 | struct net_device *ndev; |
28c14f4a | 675 | s32 err; |
75c49904 | 676 | |
2880b868 | 677 | brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, |
94889b1f | 678 | ifp->mac_addr); |
bdf5ff51 | 679 | ndev = ifp->ndev; |
75c49904 | 680 | |
bdf5ff51 | 681 | /* set appropriate operations */ |
2fde59d9 | 682 | ndev->netdev_ops = &brcmf_netdev_ops_pri; |
75c49904 | 683 | |
672774f1 | 684 | ndev->hard_header_len += drvr->hdrlen; |
75c49904 AS |
685 | ndev->ethtool_ops = &brcmf_ethtool_ops; |
686 | ||
687 | drvr->rxsz = ndev->mtu + ndev->hard_header_len + | |
688 | drvr->hdrlen; | |
689 | ||
0b63cb71 AS |
690 | /* set the mac address */ |
691 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
75c49904 | 692 | |
2fde59d9 HM |
693 | INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); |
694 | INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); | |
695 | ||
28c14f4a HM |
696 | if (rtnl_locked) |
697 | err = register_netdevice(ndev); | |
698 | else | |
699 | err = register_netdev(ndev); | |
700 | if (err != 0) { | |
5e8149f5 | 701 | brcmf_err("couldn't register the net device\n"); |
75c49904 AS |
702 | goto fail; |
703 | } | |
704 | ||
705 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
706 | ||
9df4d542 | 707 | ndev->destructor = brcmf_cfg80211_free_netdev; |
75c49904 AS |
708 | return 0; |
709 | ||
710 | fail: | |
9390ace9 | 711 | drvr->iflist[ifp->bssidx] = NULL; |
75c49904 | 712 | ndev->netdev_ops = NULL; |
9390ace9 | 713 | free_netdev(ndev); |
75c49904 AS |
714 | return -EBADE; |
715 | } | |
716 | ||
2fde59d9 HM |
717 | static int brcmf_net_p2p_open(struct net_device *ndev) |
718 | { | |
719 | brcmf_dbg(TRACE, "Enter\n"); | |
720 | ||
721 | return brcmf_cfg80211_up(ndev); | |
722 | } | |
723 | ||
724 | static int brcmf_net_p2p_stop(struct net_device *ndev) | |
725 | { | |
726 | brcmf_dbg(TRACE, "Enter\n"); | |
727 | ||
728 | return brcmf_cfg80211_down(ndev); | |
729 | } | |
730 | ||
2fde59d9 HM |
731 | static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, |
732 | struct net_device *ndev) | |
733 | { | |
734 | if (skb) | |
735 | dev_kfree_skb_any(skb); | |
736 | ||
737 | return NETDEV_TX_OK; | |
738 | } | |
739 | ||
740 | static const struct net_device_ops brcmf_netdev_ops_p2p = { | |
741 | .ndo_open = brcmf_net_p2p_open, | |
742 | .ndo_stop = brcmf_net_p2p_stop, | |
2fde59d9 HM |
743 | .ndo_start_xmit = brcmf_net_p2p_start_xmit |
744 | }; | |
745 | ||
746 | static int brcmf_net_p2p_attach(struct brcmf_if *ifp) | |
747 | { | |
748 | struct net_device *ndev; | |
749 | ||
750 | brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, | |
751 | ifp->mac_addr); | |
752 | ndev = ifp->ndev; | |
753 | ||
754 | ndev->netdev_ops = &brcmf_netdev_ops_p2p; | |
755 | ||
756 | /* set the mac address */ | |
757 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
758 | ||
759 | if (register_netdev(ndev) != 0) { | |
760 | brcmf_err("couldn't register the p2p net device\n"); | |
761 | goto fail; | |
762 | } | |
763 | ||
764 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
765 | ||
766 | return 0; | |
767 | ||
768 | fail: | |
9390ace9 AS |
769 | ifp->drvr->iflist[ifp->bssidx] = NULL; |
770 | ndev->netdev_ops = NULL; | |
771 | free_netdev(ndev); | |
2fde59d9 HM |
772 | return -EBADE; |
773 | } | |
774 | ||
2880b868 HM |
775 | struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, |
776 | char *name, u8 *mac_addr) | |
5b435de0 AS |
777 | { |
778 | struct brcmf_if *ifp; | |
e1b83586 | 779 | struct net_device *ndev; |
5b435de0 | 780 | |
2880b868 | 781 | brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); |
5b435de0 | 782 | |
2880b868 | 783 | ifp = drvr->iflist[bssidx]; |
e1b83586 FL |
784 | /* |
785 | * Delete the existing interface before overwriting it | |
786 | * in case we missed the BRCMF_E_IF_DEL event. | |
787 | */ | |
788 | if (ifp) { | |
5e8149f5 | 789 | brcmf_err("ERROR: netdev:%s already exists\n", |
e1b83586 | 790 | ifp->ndev->name); |
b522dd80 AS |
791 | if (ifidx) { |
792 | netif_stop_queue(ifp->ndev); | |
793 | unregister_netdev(ifp->ndev); | |
794 | free_netdev(ifp->ndev); | |
2880b868 | 795 | drvr->iflist[bssidx] = NULL; |
b522dd80 | 796 | } else { |
5e8149f5 | 797 | brcmf_err("ignore IF event\n"); |
b522dd80 AS |
798 | return ERR_PTR(-EINVAL); |
799 | } | |
15d45b6f | 800 | } |
5b435de0 | 801 | |
01b8e7db AS |
802 | if (!brcmf_p2p_enable && bssidx == 1) { |
803 | /* this is P2P_DEVICE interface */ | |
804 | brcmf_dbg(INFO, "allocate non-netdev interface\n"); | |
805 | ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); | |
991c2093 AS |
806 | if (!ifp) |
807 | return ERR_PTR(-ENOMEM); | |
01b8e7db AS |
808 | } else { |
809 | brcmf_dbg(INFO, "allocate netdev interface\n"); | |
810 | /* Allocate netdev, including space for private structure */ | |
811 | ndev = alloc_netdev(sizeof(*ifp), name, ether_setup); | |
a652bf03 | 812 | if (!ndev) |
01b8e7db | 813 | return ERR_PTR(-ENOMEM); |
01b8e7db AS |
814 | |
815 | ifp = netdev_priv(ndev); | |
816 | ifp->ndev = ndev; | |
15d45b6f | 817 | } |
5b435de0 | 818 | |
d08b6a37 | 819 | ifp->drvr = drvr; |
2880b868 HM |
820 | drvr->iflist[bssidx] = ifp; |
821 | ifp->ifidx = ifidx; | |
1d4fd8d7 | 822 | ifp->bssidx = bssidx; |
bdf5ff51 | 823 | |
10ef7321 | 824 | init_waitqueue_head(&ifp->pend_8021x_wait); |
df50f756 | 825 | spin_lock_init(&ifp->netif_stop_lock); |
10ef7321 | 826 | |
2880b868 HM |
827 | if (mac_addr != NULL) |
828 | memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); | |
5b435de0 | 829 | |
9bcb74f9 | 830 | brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", |
01b8e7db | 831 | current->pid, name, ifp->mac_addr); |
5b435de0 | 832 | |
1ed9baf0 | 833 | return ifp; |
5b435de0 AS |
834 | } |
835 | ||
2880b868 | 836 | void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) |
5b435de0 AS |
837 | { |
838 | struct brcmf_if *ifp; | |
839 | ||
2880b868 | 840 | ifp = drvr->iflist[bssidx]; |
cbb371da | 841 | drvr->iflist[bssidx] = NULL; |
5b435de0 | 842 | if (!ifp) { |
2880b868 | 843 | brcmf_err("Null interface, idx=%d\n", bssidx); |
5b435de0 AS |
844 | return; |
845 | } | |
2880b868 | 846 | brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); |
dfded557 | 847 | if (ifp->ndev) { |
2880b868 | 848 | if (bssidx == 0) { |
dfded557 FL |
849 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
850 | rtnl_lock(); | |
851 | brcmf_netdev_stop(ifp->ndev); | |
852 | rtnl_unlock(); | |
853 | } | |
854 | } else { | |
855 | netif_stop_queue(ifp->ndev); | |
856 | } | |
857 | ||
2fde59d9 HM |
858 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
859 | cancel_work_sync(&ifp->setmacaddr_work); | |
860 | cancel_work_sync(&ifp->multicast_work); | |
861 | } | |
cbb371da | 862 | /* unregister will take care of freeing it */ |
5b435de0 | 863 | unregister_netdev(ifp->ndev); |
01b8e7db AS |
864 | } else { |
865 | kfree(ifp); | |
5b435de0 AS |
866 | } |
867 | } | |
868 | ||
8dee77ba | 869 | int brcmf_attach(struct device *dev) |
5b435de0 | 870 | { |
d08b6a37 | 871 | struct brcmf_pub *drvr = NULL; |
712ac5b3 | 872 | int ret = 0; |
5b435de0 AS |
873 | |
874 | brcmf_dbg(TRACE, "Enter\n"); | |
875 | ||
5b435de0 | 876 | /* Allocate primary brcmf_info */ |
d08b6a37 FL |
877 | drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC); |
878 | if (!drvr) | |
712ac5b3 | 879 | return -ENOMEM; |
5b435de0 | 880 | |
d08b6a37 | 881 | mutex_init(&drvr->proto_block); |
5b435de0 AS |
882 | |
883 | /* Link to bus module */ | |
8dee77ba | 884 | drvr->hdrlen = 0; |
d08b6a37 | 885 | drvr->bus_if = dev_get_drvdata(dev); |
55a63bcc | 886 | drvr->bus_if->drvr = drvr; |
5b435de0 | 887 | |
d319a7cf AS |
888 | /* create device debugfs folder */ |
889 | brcmf_debugfs_attach(drvr); | |
890 | ||
5b435de0 | 891 | /* Attach and link in the protocol */ |
712ac5b3 FL |
892 | ret = brcmf_proto_attach(drvr); |
893 | if (ret != 0) { | |
5e8149f5 | 894 | brcmf_err("brcmf_prot_attach failed\n"); |
5b435de0 AS |
895 | goto fail; |
896 | } | |
897 | ||
5c36b99a AS |
898 | /* attach firmware event handler */ |
899 | brcmf_fweh_attach(drvr); | |
900 | ||
712ac5b3 | 901 | return ret; |
5b435de0 AS |
902 | |
903 | fail: | |
712ac5b3 | 904 | brcmf_detach(dev); |
5b435de0 | 905 | |
712ac5b3 | 906 | return ret; |
5b435de0 AS |
907 | } |
908 | ||
ed683c98 | 909 | int brcmf_bus_start(struct device *dev) |
5b435de0 AS |
910 | { |
911 | int ret = -1; | |
ed683c98 FL |
912 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
913 | struct brcmf_pub *drvr = bus_if->drvr; | |
1ed9baf0 | 914 | struct brcmf_if *ifp; |
2fde59d9 | 915 | struct brcmf_if *p2p_ifp; |
5b435de0 AS |
916 | |
917 | brcmf_dbg(TRACE, "\n"); | |
918 | ||
1ed9baf0 | 919 | /* add primary networking interface */ |
699b5e5b | 920 | ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); |
1ed9baf0 AS |
921 | if (IS_ERR(ifp)) |
922 | return PTR_ERR(ifp); | |
923 | ||
2fde59d9 HM |
924 | if (brcmf_p2p_enable) |
925 | p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); | |
926 | else | |
927 | p2p_ifp = NULL; | |
928 | if (IS_ERR(p2p_ifp)) | |
929 | p2p_ifp = NULL; | |
930 | ||
0af29bf7 | 931 | /* signal bus ready */ |
bb350711 | 932 | brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA); |
0af29bf7 HM |
933 | |
934 | /* Bus is ready, do any initialization */ | |
935 | ret = brcmf_c_preinit_dcmds(ifp); | |
5b435de0 | 936 | if (ret < 0) |
6b028c5e | 937 | goto fail; |
5b435de0 | 938 | |
a786b38d AS |
939 | ret = brcmf_fws_init(drvr); |
940 | if (ret < 0) | |
941 | goto fail; | |
942 | ||
bb8c8063 | 943 | brcmf_fws_add_interface(ifp); |
349e7104 | 944 | |
d9cb2596 | 945 | drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); |
6b028c5e HM |
946 | if (drvr->config == NULL) { |
947 | ret = -ENOMEM; | |
948 | goto fail; | |
949 | } | |
1ed9baf0 | 950 | |
5c36b99a AS |
951 | ret = brcmf_fweh_activate_events(ifp); |
952 | if (ret < 0) | |
953 | goto fail; | |
954 | ||
28c14f4a | 955 | ret = brcmf_net_attach(ifp, false); |
6b028c5e | 956 | fail: |
1ed9baf0 | 957 | if (ret < 0) { |
5e8149f5 | 958 | brcmf_err("failed: %d\n", ret); |
e1479951 | 959 | brcmf_cfg80211_detach(drvr->config); |
bb8c8063 AS |
960 | if (drvr->fws) { |
961 | brcmf_fws_del_interface(ifp); | |
349e7104 | 962 | brcmf_fws_deinit(drvr); |
bb8c8063 | 963 | } |
ee06fcad AS |
964 | if (drvr->iflist[0]) { |
965 | free_netdev(ifp->ndev); | |
966 | drvr->iflist[0] = NULL; | |
967 | } | |
2fde59d9 HM |
968 | if (p2p_ifp) { |
969 | free_netdev(p2p_ifp->ndev); | |
970 | drvr->iflist[1] = NULL; | |
971 | } | |
474a64c8 | 972 | return ret; |
1ed9baf0 | 973 | } |
2fde59d9 | 974 | if ((brcmf_p2p_enable) && (p2p_ifp)) |
9390ace9 AS |
975 | if (brcmf_net_p2p_attach(p2p_ifp) < 0) |
976 | brcmf_p2p_enable = 0; | |
1ed9baf0 | 977 | |
5b435de0 AS |
978 | return 0; |
979 | } | |
980 | ||
8dee77ba AS |
981 | void brcmf_bus_add_txhdrlen(struct device *dev, uint len) |
982 | { | |
983 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
984 | struct brcmf_pub *drvr = bus_if->drvr; | |
985 | ||
986 | if (drvr) { | |
987 | drvr->hdrlen += len; | |
988 | } | |
989 | } | |
990 | ||
5b435de0 AS |
991 | static void brcmf_bus_detach(struct brcmf_pub *drvr) |
992 | { | |
5b435de0 AS |
993 | brcmf_dbg(TRACE, "Enter\n"); |
994 | ||
995 | if (drvr) { | |
d08b6a37 | 996 | /* Stop the bus module */ |
d9cb2596 | 997 | brcmf_bus_stop(drvr->bus_if); |
5b435de0 AS |
998 | } |
999 | } | |
1000 | ||
81d5f1bb AS |
1001 | void brcmf_dev_reset(struct device *dev) |
1002 | { | |
1003 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1004 | struct brcmf_pub *drvr = bus_if->drvr; | |
1005 | ||
1006 | if (drvr == NULL) | |
1007 | return; | |
1008 | ||
643ecaab HM |
1009 | if (drvr->iflist[0]) |
1010 | brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); | |
81d5f1bb AS |
1011 | } |
1012 | ||
5f947ad9 | 1013 | void brcmf_detach(struct device *dev) |
5b435de0 | 1014 | { |
2880b868 | 1015 | s32 i; |
5f947ad9 FL |
1016 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
1017 | struct brcmf_pub *drvr = bus_if->drvr; | |
5b435de0 AS |
1018 | |
1019 | brcmf_dbg(TRACE, "Enter\n"); | |
1020 | ||
817b178c HM |
1021 | if (drvr == NULL) |
1022 | return; | |
5b435de0 | 1023 | |
5c36b99a AS |
1024 | /* stop firmware event handling */ |
1025 | brcmf_fweh_detach(drvr); | |
1026 | ||
bb350711 AS |
1027 | brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); |
1028 | ||
5f947ad9 FL |
1029 | /* make sure primary interface removed last */ |
1030 | for (i = BRCMF_MAX_IFS-1; i > -1; i--) | |
bb8c8063 AS |
1031 | if (drvr->iflist[i]) { |
1032 | brcmf_fws_del_interface(drvr->iflist[i]); | |
5f947ad9 | 1033 | brcmf_del_if(drvr, i); |
bb8c8063 | 1034 | } |
5b435de0 | 1035 | |
e1479951 AS |
1036 | brcmf_cfg80211_detach(drvr->config); |
1037 | ||
05c2c767 HM |
1038 | brcmf_fws_deinit(drvr); |
1039 | ||
5f947ad9 | 1040 | brcmf_bus_detach(drvr); |
5b435de0 | 1041 | |
85b84133 | 1042 | brcmf_proto_detach(drvr); |
5b435de0 | 1043 | |
d319a7cf | 1044 | brcmf_debugfs_detach(drvr); |
5f947ad9 FL |
1045 | bus_if->drvr = NULL; |
1046 | kfree(drvr); | |
5b435de0 AS |
1047 | } |
1048 | ||
cf458287 AS |
1049 | s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len) |
1050 | { | |
1051 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1052 | struct brcmf_if *ifp = bus_if->drvr->iflist[0]; | |
1053 | ||
1054 | return brcmf_fil_iovar_data_set(ifp, name, data, len); | |
1055 | } | |
1056 | ||
10ef7321 | 1057 | static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) |
5b435de0 | 1058 | { |
10ef7321 | 1059 | return atomic_read(&ifp->pend_8021x_cnt); |
5b435de0 AS |
1060 | } |
1061 | ||
5b435de0 AS |
1062 | int brcmf_netdev_wait_pend8021x(struct net_device *ndev) |
1063 | { | |
e1b83586 | 1064 | struct brcmf_if *ifp = netdev_priv(ndev); |
21fff75d HM |
1065 | int err; |
1066 | ||
10ef7321 HM |
1067 | err = wait_event_timeout(ifp->pend_8021x_wait, |
1068 | !brcmf_get_pend_8021x_cnt(ifp), | |
21fff75d HM |
1069 | msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); |
1070 | ||
1071 | WARN_ON(!err); | |
1072 | ||
1073 | return !err; | |
5b435de0 AS |
1074 | } |
1075 | ||
371830ea AS |
1076 | /* |
1077 | * return chip id and rev of the device encoded in u32. | |
1078 | */ | |
1079 | u32 brcmf_get_chip_info(struct brcmf_if *ifp) | |
1080 | { | |
1081 | struct brcmf_bus *bus = ifp->drvr->bus_if; | |
1082 | ||
1083 | return bus->chip << 4 | bus->chiprev; | |
1084 | } | |
1085 | ||
db4efbbe | 1086 | static void brcmf_driver_register(struct work_struct *work) |
f3d7cdc3 | 1087 | { |
f3d7cdc3 | 1088 | #ifdef CONFIG_BRCMFMAC_SDIO |
db4efbbe | 1089 | brcmf_sdio_register(); |
f3d7cdc3 | 1090 | #endif |
71bb244b | 1091 | #ifdef CONFIG_BRCMFMAC_USB |
db4efbbe | 1092 | brcmf_usb_register(); |
71bb244b | 1093 | #endif |
e64a4b70 | 1094 | } |
db4efbbe | 1095 | static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); |
e64a4b70 AS |
1096 | |
1097 | static int __init brcmfmac_module_init(void) | |
1098 | { | |
db4efbbe AS |
1099 | brcmf_debugfs_init(); |
1100 | #ifdef CONFIG_BRCMFMAC_SDIO | |
1101 | brcmf_sdio_init(); | |
1102 | #endif | |
e64a4b70 AS |
1103 | if (!schedule_work(&brcmf_driver_work)) |
1104 | return -EBUSY; | |
1105 | ||
549040ab | 1106 | return 0; |
f3d7cdc3 AS |
1107 | } |
1108 | ||
e64a4b70 | 1109 | static void __exit brcmfmac_module_exit(void) |
f3d7cdc3 | 1110 | { |
e64a4b70 AS |
1111 | cancel_work_sync(&brcmf_driver_work); |
1112 | ||
f3d7cdc3 AS |
1113 | #ifdef CONFIG_BRCMFMAC_SDIO |
1114 | brcmf_sdio_exit(); | |
1115 | #endif | |
71bb244b AS |
1116 | #ifdef CONFIG_BRCMFMAC_USB |
1117 | brcmf_usb_exit(); | |
1118 | #endif | |
d319a7cf | 1119 | brcmf_debugfs_exit(); |
f3d7cdc3 AS |
1120 | } |
1121 | ||
e64a4b70 AS |
1122 | module_init(brcmfmac_module_init); |
1123 | module_exit(brcmfmac_module_exit); |