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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> |
44129ed0 | 20 | #include <linux/inetdevice.h> |
5b435de0 AS |
21 | #include <net/cfg80211.h> |
22 | #include <net/rtnetlink.h> | |
52f22fb2 FL |
23 | #include <net/addrconf.h> |
24 | #include <net/ipv6.h> | |
5b435de0 AS |
25 | #include <brcmu_utils.h> |
26 | #include <brcmu_wifi.h> | |
27 | ||
122d3d04 | 28 | #include "core.h" |
d14f78b9 | 29 | #include "bus.h" |
a8e8ed34 | 30 | #include "debug.h" |
7a5c1f64 | 31 | #include "fwil_types.h" |
9f440b7b | 32 | #include "p2p.h" |
bfe81975 | 33 | #include "cfg80211.h" |
db22ae8c | 34 | #include "fwil.h" |
c08437b4 | 35 | #include "feature.h" |
85b84133 | 36 | #include "proto.h" |
9e37f045 | 37 | #include "pcie.h" |
c443e169 | 38 | #include "common.h" |
5b435de0 | 39 | |
e9217b4b | 40 | #define MAX_WAIT_FOR_8021X_TX msecs_to_jiffies(950) |
5b435de0 | 41 | |
6ea696eb HM |
42 | #define BRCMF_BSSIDX_INVALID -1 |
43 | ||
c9c00438 | 44 | char *brcmf_ifname(struct brcmf_if *ifp) |
5b435de0 | 45 | { |
c9c00438 | 46 | if (!ifp) |
5b435de0 | 47 | return "<if_null>"; |
5b435de0 | 48 | |
c9c00438 HM |
49 | if (ifp->ndev) |
50 | return ifp->ndev->name; | |
5b435de0 AS |
51 | |
52 | return "<if_none>"; | |
53 | } | |
54 | ||
75effb03 AS |
55 | struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx) |
56 | { | |
291da87b | 57 | struct brcmf_if *ifp; |
37a869ec | 58 | s32 bsscfgidx; |
291da87b | 59 | |
75effb03 AS |
60 | if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { |
61 | brcmf_err("ifidx %d out of range\n", ifidx); | |
796cfb65 | 62 | return NULL; |
75effb03 AS |
63 | } |
64 | ||
291da87b | 65 | ifp = NULL; |
37a869ec HM |
66 | bsscfgidx = drvr->if2bss[ifidx]; |
67 | if (bsscfgidx >= 0) | |
68 | ifp = drvr->iflist[bsscfgidx]; | |
75effb03 | 69 | |
291da87b | 70 | return ifp; |
75effb03 AS |
71 | } |
72 | ||
5b435de0 AS |
73 | static void _brcmf_set_multicast_list(struct work_struct *work) |
74 | { | |
db22ae8c | 75 | struct brcmf_if *ifp; |
5b435de0 AS |
76 | struct net_device *ndev; |
77 | struct netdev_hw_addr *ha; | |
db22ae8c | 78 | u32 cmd_value, cnt; |
5b435de0 | 79 | __le32 cnt_le; |
5b435de0 | 80 | char *buf, *bufp; |
db22ae8c HM |
81 | u32 buflen; |
82 | s32 err; | |
5b435de0 | 83 | |
bdf5ff51 | 84 | ifp = container_of(work, struct brcmf_if, multicast_work); |
94889b1f | 85 | |
37a869ec | 86 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); |
94889b1f | 87 | |
db22ae8c | 88 | ndev = ifp->ndev; |
5b435de0 AS |
89 | |
90 | /* Determine initial value of allmulti flag */ | |
db22ae8c | 91 | cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; |
5b435de0 AS |
92 | |
93 | /* Send down the multicast list first. */ | |
db22ae8c HM |
94 | cnt = netdev_mc_count(ndev); |
95 | buflen = sizeof(cnt) + (cnt * ETH_ALEN); | |
96 | buf = kmalloc(buflen, GFP_ATOMIC); | |
97 | if (!buf) | |
5b435de0 | 98 | return; |
db22ae8c | 99 | bufp = buf; |
5b435de0 AS |
100 | |
101 | cnt_le = cpu_to_le32(cnt); | |
db22ae8c | 102 | memcpy(bufp, &cnt_le, sizeof(cnt_le)); |
5b435de0 AS |
103 | bufp += sizeof(cnt_le); |
104 | ||
105 | netdev_for_each_mc_addr(ha, ndev) { | |
106 | if (!cnt) | |
107 | break; | |
108 | memcpy(bufp, ha->addr, ETH_ALEN); | |
109 | bufp += ETH_ALEN; | |
110 | cnt--; | |
111 | } | |
112 | ||
db22ae8c HM |
113 | err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); |
114 | if (err < 0) { | |
5e8149f5 | 115 | brcmf_err("Setting mcast_list failed, %d\n", err); |
db22ae8c | 116 | cmd_value = cnt ? true : cmd_value; |
5b435de0 AS |
117 | } |
118 | ||
119 | kfree(buf); | |
120 | ||
db22ae8c HM |
121 | /* |
122 | * Now send the allmulti setting. This is based on the setting in the | |
5b435de0 AS |
123 | * net_device flags, but might be modified above to be turned on if we |
124 | * were trying to set some addresses and dongle rejected it... | |
125 | */ | |
db22ae8c HM |
126 | err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); |
127 | if (err < 0) | |
5e8149f5 | 128 | brcmf_err("Setting allmulti failed, %d\n", err); |
db22ae8c HM |
129 | |
130 | /*Finally, pick up the PROMISC flag */ | |
131 | cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; | |
132 | err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); | |
133 | if (err < 0) | |
5e8149f5 | 134 | brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", |
db22ae8c | 135 | err); |
5b435de0 AS |
136 | } |
137 | ||
52f22fb2 FL |
138 | #if IS_ENABLED(CONFIG_IPV6) |
139 | static void _brcmf_update_ndtable(struct work_struct *work) | |
140 | { | |
141 | struct brcmf_if *ifp; | |
142 | int i, ret; | |
143 | ||
144 | ifp = container_of(work, struct brcmf_if, ndoffload_work); | |
145 | ||
146 | /* clear the table in firmware */ | |
147 | ret = brcmf_fil_iovar_data_set(ifp, "nd_hostip_clear", NULL, 0); | |
148 | if (ret) { | |
149 | brcmf_dbg(TRACE, "fail to clear nd ip table err:%d\n", ret); | |
150 | return; | |
151 | } | |
152 | ||
153 | for (i = 0; i < ifp->ipv6addr_idx; i++) { | |
154 | ret = brcmf_fil_iovar_data_set(ifp, "nd_hostip", | |
155 | &ifp->ipv6_addr_tbl[i], | |
156 | sizeof(struct in6_addr)); | |
157 | if (ret) | |
158 | brcmf_err("add nd ip err %d\n", ret); | |
159 | } | |
160 | } | |
161 | #else | |
162 | static void _brcmf_update_ndtable(struct work_struct *work) | |
163 | { | |
164 | } | |
165 | #endif | |
166 | ||
5b435de0 AS |
167 | static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) |
168 | { | |
e1b83586 | 169 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 170 | struct sockaddr *sa = (struct sockaddr *)addr; |
8fa5fdec | 171 | int err; |
5b435de0 | 172 | |
8fa5fdec AVS |
173 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); |
174 | ||
175 | err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", sa->sa_data, | |
176 | ETH_ALEN); | |
177 | if (err < 0) { | |
178 | brcmf_err("Setting cur_etheraddr failed, %d\n", err); | |
179 | } else { | |
180 | brcmf_dbg(TRACE, "updated to %pM\n", sa->sa_data); | |
181 | memcpy(ifp->mac_addr, sa->sa_data, ETH_ALEN); | |
182 | memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
183 | } | |
184 | return err; | |
5b435de0 AS |
185 | } |
186 | ||
187 | static void brcmf_netdev_set_multicast_list(struct net_device *ndev) | |
188 | { | |
e1b83586 | 189 | struct brcmf_if *ifp = netdev_priv(ndev); |
5b435de0 | 190 | |
bdf5ff51 | 191 | schedule_work(&ifp->multicast_work); |
5b435de0 AS |
192 | } |
193 | ||
80fd2dbe HM |
194 | static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, |
195 | struct net_device *ndev) | |
5b435de0 AS |
196 | { |
197 | int ret; | |
e1b83586 | 198 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 199 | struct brcmf_pub *drvr = ifp->drvr; |
455a1eb4 | 200 | struct ethhdr *eh; |
5b435de0 | 201 | |
37a869ec | 202 | brcmf_dbg(DATA, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); |
5b435de0 | 203 | |
80fd2dbe | 204 | /* Can the device send data? */ |
a1cee865 | 205 | if (drvr->bus_if->state != BRCMF_BUS_UP) { |
80fd2dbe | 206 | brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); |
5b435de0 | 207 | netif_stop_queue(ndev); |
80fd2dbe HM |
208 | dev_kfree_skb(skb); |
209 | ret = -ENODEV; | |
210 | goto done; | |
5b435de0 AS |
211 | } |
212 | ||
9cc4b7cb JH |
213 | /* Make sure there's enough writable headroom*/ |
214 | ret = skb_cow_head(skb, drvr->hdrlen); | |
215 | if (ret < 0) { | |
216 | brcmf_err("%s: skb_cow_head failed\n", | |
c9c00438 | 217 | brcmf_ifname(ifp)); |
5b435de0 | 218 | dev_kfree_skb(skb); |
9cc4b7cb | 219 | goto done; |
5b435de0 AS |
220 | } |
221 | ||
12b33dac AS |
222 | /* validate length for ether packet */ |
223 | if (skb->len < sizeof(*eh)) { | |
224 | ret = -EINVAL; | |
225 | dev_kfree_skb(skb); | |
226 | goto done; | |
8514fd02 FL |
227 | } |
228 | ||
455a1eb4 JH |
229 | eh = (struct ethhdr *)(skb->data); |
230 | ||
55929443 HM |
231 | if (eh->h_proto == htons(ETH_P_PAE)) |
232 | atomic_inc(&ifp->pend_8021x_cnt); | |
233 | ||
b073ac1f RM |
234 | /* determine the priority */ |
235 | if ((skb->priority == 0) || (skb->priority > 7)) | |
236 | skb->priority = cfg80211_classify8021d(skb, NULL); | |
237 | ||
238 | ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb); | |
239 | if (ret < 0) | |
240 | brcmf_txfinalize(ifp, skb, false); | |
5b435de0 AS |
241 | |
242 | done: | |
b1a2a411 | 243 | if (ret) { |
91b63280 | 244 | ndev->stats.tx_dropped++; |
b1a2a411 | 245 | } else { |
91b63280 TK |
246 | ndev->stats.tx_packets++; |
247 | ndev->stats.tx_bytes += skb->len; | |
b1a2a411 | 248 | } |
5b435de0 AS |
249 | |
250 | /* Return ok: we always eat the packet */ | |
80fd2dbe | 251 | return NETDEV_TX_OK; |
5b435de0 AS |
252 | } |
253 | ||
29e04ae3 AS |
254 | void brcmf_txflowblock_if(struct brcmf_if *ifp, |
255 | enum brcmf_netif_stop_reason reason, bool state) | |
256 | { | |
df50f756 HM |
257 | unsigned long flags; |
258 | ||
23d412a2 | 259 | if (!ifp || !ifp->ndev) |
29e04ae3 AS |
260 | return; |
261 | ||
37a869ec HM |
262 | brcmf_dbg(TRACE, "enter: bsscfgidx=%d stop=0x%X reason=%d state=%d\n", |
263 | ifp->bsscfgidx, ifp->netif_stop, reason, state); | |
df50f756 HM |
264 | |
265 | spin_lock_irqsave(&ifp->netif_stop_lock, flags); | |
29e04ae3 AS |
266 | if (state) { |
267 | if (!ifp->netif_stop) | |
268 | netif_stop_queue(ifp->ndev); | |
269 | ifp->netif_stop |= reason; | |
270 | } else { | |
271 | ifp->netif_stop &= ~reason; | |
272 | if (!ifp->netif_stop) | |
273 | netif_wake_queue(ifp->ndev); | |
274 | } | |
df50f756 | 275 | spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); |
29e04ae3 AS |
276 | } |
277 | ||
9c349892 | 278 | void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb) |
87edd891 | 279 | { |
87edd891 | 280 | if (skb->pkt_type == PACKET_MULTICAST) |
91b63280 | 281 | ifp->ndev->stats.multicast++; |
87edd891 | 282 | |
87edd891 AS |
283 | if (!(ifp->ndev->flags & IFF_UP)) { |
284 | brcmu_pkt_buf_free_skb(skb); | |
285 | return; | |
286 | } | |
287 | ||
91b63280 TK |
288 | ifp->ndev->stats.rx_bytes += skb->len; |
289 | ifp->ndev->stats.rx_packets++; | |
87edd891 AS |
290 | |
291 | brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol)); | |
292 | if (in_interrupt()) | |
293 | netif_rx(skb); | |
294 | else | |
295 | /* If the receive is not processed inside an ISR, | |
296 | * the softirqd must be woken explicitly to service | |
297 | * the NET_RX_SOFTIRQ. This is handled by netif_rx_ni(). | |
298 | */ | |
299 | netif_rx_ni(skb); | |
300 | } | |
301 | ||
c462ebcd AS |
302 | static int brcmf_rx_hdrpull(struct brcmf_pub *drvr, struct sk_buff *skb, |
303 | struct brcmf_if **ifp) | |
5b435de0 | 304 | { |
a43af515 | 305 | int ret; |
5b435de0 | 306 | |
05f3820b | 307 | /* process and remove protocol-specific header */ |
c462ebcd | 308 | ret = brcmf_proto_hdrpull(drvr, true, skb, ifp); |
a43af515 | 309 | |
c462ebcd | 310 | if (ret || !(*ifp) || !(*ifp)->ndev) { |
81542fac | 311 | if (ret != -ENODATA && *ifp) |
91b63280 | 312 | (*ifp)->ndev->stats.rx_errors++; |
05f3820b | 313 | brcmu_pkt_buf_free_skb(skb); |
c462ebcd | 314 | return -ENODATA; |
5b435de0 | 315 | } |
05f3820b | 316 | |
c462ebcd AS |
317 | skb->protocol = eth_type_trans(skb, (*ifp)->ndev); |
318 | return 0; | |
319 | } | |
320 | ||
321 | void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event) | |
322 | { | |
323 | struct brcmf_if *ifp; | |
324 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
325 | struct brcmf_pub *drvr = bus_if->drvr; | |
326 | ||
327 | brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb); | |
328 | ||
329 | if (brcmf_rx_hdrpull(drvr, skb, &ifp)) | |
330 | return; | |
9c349892 AS |
331 | |
332 | if (brcmf_proto_is_reorder_skb(skb)) { | |
bbd1f932 | 333 | brcmf_proto_rxreorder(ifp, skb); |
9c349892 AS |
334 | } else { |
335 | /* Process special event packets */ | |
336 | if (handle_event) | |
337 | brcmf_fweh_process_skb(ifp->drvr, skb); | |
338 | ||
339 | brcmf_netif_rx(ifp, skb); | |
340 | } | |
c56caa9d FL |
341 | } |
342 | ||
343 | void brcmf_rx_event(struct device *dev, struct sk_buff *skb) | |
344 | { | |
345 | struct brcmf_if *ifp; | |
346 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
347 | struct brcmf_pub *drvr = bus_if->drvr; | |
c56caa9d FL |
348 | |
349 | brcmf_dbg(EVENT, "Enter: %s: rxp=%p\n", dev_name(dev), skb); | |
350 | ||
c462ebcd | 351 | if (brcmf_rx_hdrpull(drvr, skb, &ifp)) |
c56caa9d | 352 | return; |
c56caa9d FL |
353 | |
354 | brcmf_fweh_process_skb(ifp->drvr, skb); | |
355 | brcmu_pkt_buf_free_skb(skb); | |
5b435de0 AS |
356 | } |
357 | ||
054e68ad | 358 | void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success) |
5b435de0 | 359 | { |
5b435de0 AS |
360 | struct ethhdr *eh; |
361 | u16 type; | |
5b435de0 | 362 | |
53e30ea4 HM |
363 | eh = (struct ethhdr *)(txp->data); |
364 | type = ntohs(eh->h_proto); | |
5b435de0 | 365 | |
53e30ea4 HM |
366 | if (type == ETH_P_PAE) { |
367 | atomic_dec(&ifp->pend_8021x_cnt); | |
368 | if (waitqueue_active(&ifp->pend_8021x_wait)) | |
369 | wake_up(&ifp->pend_8021x_wait); | |
21fff75d | 370 | } |
53e30ea4 | 371 | |
b1a2a411 | 372 | if (!success) |
91b63280 | 373 | ifp->ndev->stats.tx_errors++; |
054e68ad | 374 | |
3edc1cff | 375 | brcmu_pkt_buf_free_skb(txp); |
c7f34a69 | 376 | } |
7f4bceec | 377 | |
5b435de0 AS |
378 | static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, |
379 | struct ethtool_drvinfo *info) | |
380 | { | |
e1b83586 | 381 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 382 | struct brcmf_pub *drvr = ifp->drvr; |
7f52c81d | 383 | char drev[BRCMU_DOTREV_LEN] = "n/a"; |
5b435de0 | 384 | |
7f52c81d AS |
385 | if (drvr->revinfo.result == 0) |
386 | brcmu_dotrev_str(drvr->revinfo.driverrev, drev); | |
7826d43f | 387 | strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); |
7f52c81d | 388 | strlcpy(info->version, drev, sizeof(info->version)); |
55685b8f | 389 | strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); |
7826d43f JP |
390 | strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), |
391 | sizeof(info->bus_info)); | |
5b435de0 AS |
392 | } |
393 | ||
3eb1fa7e SH |
394 | static const struct ethtool_ops brcmf_ethtool_ops = { |
395 | .get_drvinfo = brcmf_ethtool_get_drvinfo, | |
5b435de0 AS |
396 | }; |
397 | ||
5b435de0 AS |
398 | static int brcmf_netdev_stop(struct net_device *ndev) |
399 | { | |
e1b83586 | 400 | struct brcmf_if *ifp = netdev_priv(ndev); |
817b178c | 401 | |
37a869ec | 402 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); |
5b435de0 | 403 | |
bdf5ff51 | 404 | brcmf_cfg80211_down(ndev); |
817b178c | 405 | |
44129ed0 FL |
406 | brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0); |
407 | ||
92121e69 | 408 | brcmf_net_setcarrier(ifp, false); |
5b435de0 AS |
409 | |
410 | return 0; | |
411 | } | |
412 | ||
413 | static int brcmf_netdev_open(struct net_device *ndev) | |
414 | { | |
e1b83586 | 415 | struct brcmf_if *ifp = netdev_priv(ndev); |
d08b6a37 | 416 | struct brcmf_pub *drvr = ifp->drvr; |
1bb1f384 | 417 | struct brcmf_bus *bus_if = drvr->bus_if; |
5b435de0 | 418 | u32 toe_ol; |
5b435de0 | 419 | |
37a869ec | 420 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); |
5b435de0 | 421 | |
bdf5ff51 | 422 | /* If bus is not ready, can't continue */ |
a1cee865 | 423 | if (bus_if->state != BRCMF_BUS_UP) { |
5e8149f5 | 424 | brcmf_err("failed bus is not ready\n"); |
bdf5ff51 AS |
425 | return -EAGAIN; |
426 | } | |
1bb1f384 | 427 | |
10ef7321 | 428 | atomic_set(&ifp->pend_8021x_cnt, 0); |
5b435de0 | 429 | |
bdf5ff51 AS |
430 | /* Get current TOE mode from dongle */ |
431 | if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 | |
432 | && (toe_ol & TOE_TX_CSUM_OL) != 0) | |
40a23296 | 433 | ndev->features |= NETIF_F_IP_CSUM; |
bdf5ff51 | 434 | else |
40a23296 | 435 | ndev->features &= ~NETIF_F_IP_CSUM; |
3338084a | 436 | |
bdf5ff51 | 437 | if (brcmf_cfg80211_up(ndev)) { |
5e8149f5 | 438 | brcmf_err("failed to bring up cfg80211\n"); |
dcede4b8 | 439 | return -EIO; |
5b435de0 AS |
440 | } |
441 | ||
92121e69 HM |
442 | /* Clear, carrier, set when connected or AP mode. */ |
443 | netif_carrier_off(ndev); | |
dcede4b8 | 444 | return 0; |
5b435de0 AS |
445 | } |
446 | ||
dfded557 FL |
447 | static const struct net_device_ops brcmf_netdev_ops_pri = { |
448 | .ndo_open = brcmf_netdev_open, | |
449 | .ndo_stop = brcmf_netdev_stop, | |
dfded557 FL |
450 | .ndo_start_xmit = brcmf_netdev_start_xmit, |
451 | .ndo_set_mac_address = brcmf_netdev_set_mac_address, | |
452 | .ndo_set_rx_mode = brcmf_netdev_set_multicast_list | |
453 | }; | |
454 | ||
28c14f4a | 455 | int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) |
75c49904 | 456 | { |
3625c149 | 457 | struct brcmf_pub *drvr = ifp->drvr; |
75c49904 | 458 | struct net_device *ndev; |
28c14f4a | 459 | s32 err; |
75c49904 | 460 | |
37a869ec | 461 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d mac=%pM\n", ifp->bsscfgidx, |
94889b1f | 462 | ifp->mac_addr); |
bdf5ff51 | 463 | ndev = ifp->ndev; |
75c49904 | 464 | |
bdf5ff51 | 465 | /* set appropriate operations */ |
2fde59d9 | 466 | ndev->netdev_ops = &brcmf_netdev_ops_pri; |
75c49904 | 467 | |
cb39288f | 468 | ndev->needed_headroom += drvr->hdrlen; |
75c49904 AS |
469 | ndev->ethtool_ops = &brcmf_ethtool_ops; |
470 | ||
0cc0236c | 471 | /* set the mac address & netns */ |
0b63cb71 | 472 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); |
0cc0236c | 473 | dev_net_set(ndev, wiphy_net(cfg_to_wiphy(drvr->config))); |
75c49904 | 474 | |
2fde59d9 | 475 | INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); |
52f22fb2 | 476 | INIT_WORK(&ifp->ndoffload_work, _brcmf_update_ndtable); |
2fde59d9 | 477 | |
28c14f4a HM |
478 | if (rtnl_locked) |
479 | err = register_netdevice(ndev); | |
480 | else | |
481 | err = register_netdev(ndev); | |
482 | if (err != 0) { | |
5e8149f5 | 483 | brcmf_err("couldn't register the net device\n"); |
75c49904 AS |
484 | goto fail; |
485 | } | |
486 | ||
487 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
75c49904 AS |
488 | return 0; |
489 | ||
490 | fail: | |
37a869ec | 491 | drvr->iflist[ifp->bsscfgidx] = NULL; |
75c49904 | 492 | ndev->netdev_ops = NULL; |
9390ace9 | 493 | free_netdev(ndev); |
75c49904 AS |
494 | return -EBADE; |
495 | } | |
496 | ||
b50ddfa8 | 497 | static void brcmf_net_detach(struct net_device *ndev, bool rtnl_locked) |
95ef1239 | 498 | { |
b50ddfa8 RM |
499 | if (ndev->reg_state == NETREG_REGISTERED) { |
500 | if (rtnl_locked) | |
501 | unregister_netdevice(ndev); | |
502 | else | |
503 | unregister_netdev(ndev); | |
504 | } else { | |
95ef1239 | 505 | brcmf_cfg80211_free_netdev(ndev); |
b50ddfa8 | 506 | } |
95ef1239 AS |
507 | } |
508 | ||
92121e69 HM |
509 | void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on) |
510 | { | |
511 | struct net_device *ndev; | |
512 | ||
37a869ec HM |
513 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d carrier=%d\n", ifp->bsscfgidx, |
514 | on); | |
92121e69 HM |
515 | |
516 | ndev = ifp->ndev; | |
517 | brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_DISCONNECTED, !on); | |
518 | if (on) { | |
519 | if (!netif_carrier_ok(ndev)) | |
520 | netif_carrier_on(ndev); | |
521 | ||
522 | } else { | |
523 | if (netif_carrier_ok(ndev)) | |
524 | netif_carrier_off(ndev); | |
525 | } | |
526 | } | |
527 | ||
2fde59d9 HM |
528 | static int brcmf_net_p2p_open(struct net_device *ndev) |
529 | { | |
530 | brcmf_dbg(TRACE, "Enter\n"); | |
531 | ||
532 | return brcmf_cfg80211_up(ndev); | |
533 | } | |
534 | ||
535 | static int brcmf_net_p2p_stop(struct net_device *ndev) | |
536 | { | |
537 | brcmf_dbg(TRACE, "Enter\n"); | |
538 | ||
539 | return brcmf_cfg80211_down(ndev); | |
540 | } | |
541 | ||
2fde59d9 HM |
542 | static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, |
543 | struct net_device *ndev) | |
544 | { | |
545 | if (skb) | |
546 | dev_kfree_skb_any(skb); | |
547 | ||
548 | return NETDEV_TX_OK; | |
549 | } | |
550 | ||
551 | static const struct net_device_ops brcmf_netdev_ops_p2p = { | |
552 | .ndo_open = brcmf_net_p2p_open, | |
553 | .ndo_stop = brcmf_net_p2p_stop, | |
2fde59d9 HM |
554 | .ndo_start_xmit = brcmf_net_p2p_start_xmit |
555 | }; | |
556 | ||
557 | static int brcmf_net_p2p_attach(struct brcmf_if *ifp) | |
558 | { | |
559 | struct net_device *ndev; | |
560 | ||
37a869ec | 561 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d mac=%pM\n", ifp->bsscfgidx, |
2fde59d9 HM |
562 | ifp->mac_addr); |
563 | ndev = ifp->ndev; | |
564 | ||
565 | ndev->netdev_ops = &brcmf_netdev_ops_p2p; | |
566 | ||
567 | /* set the mac address */ | |
568 | memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); | |
569 | ||
570 | if (register_netdev(ndev) != 0) { | |
571 | brcmf_err("couldn't register the p2p net device\n"); | |
572 | goto fail; | |
573 | } | |
574 | ||
575 | brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); | |
576 | ||
577 | return 0; | |
578 | ||
579 | fail: | |
37a869ec | 580 | ifp->drvr->iflist[ifp->bsscfgidx] = NULL; |
9390ace9 AS |
581 | ndev->netdev_ops = NULL; |
582 | free_netdev(ndev); | |
2fde59d9 HM |
583 | return -EBADE; |
584 | } | |
585 | ||
37a869ec | 586 | struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, |
54264e7e | 587 | bool is_p2pdev, const char *name, u8 *mac_addr) |
5b435de0 AS |
588 | { |
589 | struct brcmf_if *ifp; | |
e1b83586 | 590 | struct net_device *ndev; |
5b435de0 | 591 | |
37a869ec | 592 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx, ifidx); |
5b435de0 | 593 | |
37a869ec | 594 | ifp = drvr->iflist[bsscfgidx]; |
e1b83586 FL |
595 | /* |
596 | * Delete the existing interface before overwriting it | |
597 | * in case we missed the BRCMF_E_IF_DEL event. | |
598 | */ | |
599 | if (ifp) { | |
b522dd80 | 600 | if (ifidx) { |
6a23863e HM |
601 | brcmf_err("ERROR: netdev:%s already exists\n", |
602 | ifp->ndev->name); | |
b522dd80 | 603 | netif_stop_queue(ifp->ndev); |
b50ddfa8 | 604 | brcmf_net_detach(ifp->ndev, false); |
37a869ec | 605 | drvr->iflist[bsscfgidx] = NULL; |
b522dd80 | 606 | } else { |
6a23863e HM |
607 | brcmf_dbg(INFO, "netdev:%s ignore IF event\n", |
608 | ifp->ndev->name); | |
b522dd80 AS |
609 | return ERR_PTR(-EINVAL); |
610 | } | |
15d45b6f | 611 | } |
5b435de0 | 612 | |
7d34b056 | 613 | if (!drvr->settings->p2p_enable && is_p2pdev) { |
01b8e7db AS |
614 | /* this is P2P_DEVICE interface */ |
615 | brcmf_dbg(INFO, "allocate non-netdev interface\n"); | |
616 | ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); | |
991c2093 AS |
617 | if (!ifp) |
618 | return ERR_PTR(-ENOMEM); | |
01b8e7db AS |
619 | } else { |
620 | brcmf_dbg(INFO, "allocate netdev interface\n"); | |
621 | /* Allocate netdev, including space for private structure */ | |
2b76acdb HM |
622 | ndev = alloc_netdev(sizeof(*ifp), is_p2pdev ? "p2p%d" : name, |
623 | NET_NAME_UNKNOWN, ether_setup); | |
a652bf03 | 624 | if (!ndev) |
01b8e7db | 625 | return ERR_PTR(-ENOMEM); |
01b8e7db | 626 | |
cf124db5 DM |
627 | ndev->needs_free_netdev = true; |
628 | ndev->priv_destructor = brcmf_cfg80211_free_netdev; | |
01b8e7db AS |
629 | ifp = netdev_priv(ndev); |
630 | ifp->ndev = ndev; | |
37a869ec | 631 | /* store mapping ifidx to bsscfgidx */ |
6ea696eb | 632 | if (drvr->if2bss[ifidx] == BRCMF_BSSIDX_INVALID) |
37a869ec | 633 | drvr->if2bss[ifidx] = bsscfgidx; |
15d45b6f | 634 | } |
5b435de0 | 635 | |
d08b6a37 | 636 | ifp->drvr = drvr; |
37a869ec | 637 | drvr->iflist[bsscfgidx] = ifp; |
2880b868 | 638 | ifp->ifidx = ifidx; |
37a869ec | 639 | ifp->bsscfgidx = bsscfgidx; |
bdf5ff51 | 640 | |
10ef7321 | 641 | init_waitqueue_head(&ifp->pend_8021x_wait); |
df50f756 | 642 | spin_lock_init(&ifp->netif_stop_lock); |
10ef7321 | 643 | |
2880b868 HM |
644 | if (mac_addr != NULL) |
645 | memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); | |
5b435de0 | 646 | |
9bcb74f9 | 647 | brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", |
01b8e7db | 648 | current->pid, name, ifp->mac_addr); |
5b435de0 | 649 | |
1ed9baf0 | 650 | return ifp; |
5b435de0 AS |
651 | } |
652 | ||
b50ddfa8 RM |
653 | static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx, |
654 | bool rtnl_locked) | |
5b435de0 AS |
655 | { |
656 | struct brcmf_if *ifp; | |
657 | ||
37a869ec HM |
658 | ifp = drvr->iflist[bsscfgidx]; |
659 | drvr->iflist[bsscfgidx] = NULL; | |
5b435de0 | 660 | if (!ifp) { |
37a869ec | 661 | brcmf_err("Null interface, bsscfgidx=%d\n", bsscfgidx); |
5b435de0 AS |
662 | return; |
663 | } | |
37a869ec HM |
664 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx, |
665 | ifp->ifidx); | |
666 | if (drvr->if2bss[ifp->ifidx] == bsscfgidx) | |
6ea696eb | 667 | drvr->if2bss[ifp->ifidx] = BRCMF_BSSIDX_INVALID; |
dfded557 | 668 | if (ifp->ndev) { |
37a869ec | 669 | if (bsscfgidx == 0) { |
dfded557 FL |
670 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
671 | rtnl_lock(); | |
672 | brcmf_netdev_stop(ifp->ndev); | |
673 | rtnl_unlock(); | |
674 | } | |
675 | } else { | |
676 | netif_stop_queue(ifp->ndev); | |
677 | } | |
678 | ||
2fde59d9 | 679 | if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { |
2fde59d9 | 680 | cancel_work_sync(&ifp->multicast_work); |
52f22fb2 | 681 | cancel_work_sync(&ifp->ndoffload_work); |
2fde59d9 | 682 | } |
b50ddfa8 | 683 | brcmf_net_detach(ifp->ndev, rtnl_locked); |
9831bcb9 HM |
684 | } else { |
685 | /* Only p2p device interfaces which get dynamically created | |
686 | * end up here. In this case the p2p module should be informed | |
687 | * about the removal of the interface within the firmware. If | |
688 | * not then p2p commands towards the firmware will cause some | |
689 | * serious troublesome side effects. The p2p module will clean | |
690 | * up the ifp if needed. | |
691 | */ | |
15dacf88 | 692 | brcmf_p2p_ifp_removed(ifp, rtnl_locked); |
9831bcb9 | 693 | kfree(ifp); |
5b435de0 AS |
694 | } |
695 | } | |
696 | ||
b50ddfa8 | 697 | void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked) |
a44aa400 | 698 | { |
37a869ec | 699 | if (!ifp || WARN_ON(ifp->drvr->iflist[ifp->bsscfgidx] != ifp)) |
ee6e3a34 | 700 | return; |
37a869ec | 701 | brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", ifp->bsscfgidx, |
9831bcb9 | 702 | ifp->ifidx); |
c02a5eb8 | 703 | brcmf_proto_del_if(ifp->drvr, ifp); |
b50ddfa8 | 704 | brcmf_del_if(ifp->drvr, ifp->bsscfgidx, rtnl_locked); |
a44aa400 HM |
705 | } |
706 | ||
f1ac3aa2 RM |
707 | static int brcmf_psm_watchdog_notify(struct brcmf_if *ifp, |
708 | const struct brcmf_event_msg *evtmsg, | |
709 | void *data) | |
710 | { | |
711 | int err; | |
712 | ||
713 | brcmf_dbg(TRACE, "enter: bsscfgidx=%d\n", ifp->bsscfgidx); | |
714 | ||
715 | brcmf_err("PSM's watchdog has fired!\n"); | |
716 | ||
717 | err = brcmf_debug_create_memdump(ifp->drvr->bus_if, data, | |
718 | evtmsg->datalen); | |
719 | if (err) | |
720 | brcmf_err("Failed to get memory dump, %d\n", err); | |
721 | ||
722 | return err; | |
723 | } | |
724 | ||
44129ed0 FL |
725 | #ifdef CONFIG_INET |
726 | #define ARPOL_MAX_ENTRIES 8 | |
727 | static int brcmf_inetaddr_changed(struct notifier_block *nb, | |
728 | unsigned long action, void *data) | |
729 | { | |
730 | struct brcmf_pub *drvr = container_of(nb, struct brcmf_pub, | |
731 | inetaddr_notifier); | |
732 | struct in_ifaddr *ifa = data; | |
733 | struct net_device *ndev = ifa->ifa_dev->dev; | |
734 | struct brcmf_if *ifp; | |
735 | int idx, i, ret; | |
736 | u32 val; | |
737 | __be32 addr_table[ARPOL_MAX_ENTRIES] = {0}; | |
738 | ||
739 | /* Find out if the notification is meant for us */ | |
740 | for (idx = 0; idx < BRCMF_MAX_IFS; idx++) { | |
741 | ifp = drvr->iflist[idx]; | |
742 | if (ifp && ifp->ndev == ndev) | |
743 | break; | |
744 | if (idx == BRCMF_MAX_IFS - 1) | |
745 | return NOTIFY_DONE; | |
746 | } | |
747 | ||
748 | /* check if arp offload is supported */ | |
749 | ret = brcmf_fil_iovar_int_get(ifp, "arpoe", &val); | |
750 | if (ret) | |
751 | return NOTIFY_OK; | |
752 | ||
753 | /* old version only support primary index */ | |
754 | ret = brcmf_fil_iovar_int_get(ifp, "arp_version", &val); | |
755 | if (ret) | |
756 | val = 1; | |
757 | if (val == 1) | |
758 | ifp = drvr->iflist[0]; | |
759 | ||
760 | /* retrieve the table from firmware */ | |
761 | ret = brcmf_fil_iovar_data_get(ifp, "arp_hostip", addr_table, | |
762 | sizeof(addr_table)); | |
763 | if (ret) { | |
764 | brcmf_err("fail to get arp ip table err:%d\n", ret); | |
765 | return NOTIFY_OK; | |
766 | } | |
767 | ||
768 | for (i = 0; i < ARPOL_MAX_ENTRIES; i++) | |
769 | if (ifa->ifa_address == addr_table[i]) | |
770 | break; | |
771 | ||
772 | switch (action) { | |
773 | case NETDEV_UP: | |
774 | if (i == ARPOL_MAX_ENTRIES) { | |
775 | brcmf_dbg(TRACE, "add %pI4 to arp table\n", | |
776 | &ifa->ifa_address); | |
777 | /* set it directly */ | |
778 | ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip", | |
779 | &ifa->ifa_address, sizeof(ifa->ifa_address)); | |
780 | if (ret) | |
781 | brcmf_err("add arp ip err %d\n", ret); | |
782 | } | |
783 | break; | |
784 | case NETDEV_DOWN: | |
785 | if (i < ARPOL_MAX_ENTRIES) { | |
786 | addr_table[i] = 0; | |
787 | brcmf_dbg(TRACE, "remove %pI4 from arp table\n", | |
788 | &ifa->ifa_address); | |
789 | /* clear the table in firmware */ | |
790 | ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", | |
791 | NULL, 0); | |
792 | if (ret) { | |
793 | brcmf_err("fail to clear arp ip table err:%d\n", | |
794 | ret); | |
795 | return NOTIFY_OK; | |
796 | } | |
797 | for (i = 0; i < ARPOL_MAX_ENTRIES; i++) { | |
cd2bc19c FL |
798 | if (addr_table[i] == 0) |
799 | continue; | |
800 | ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip", | |
801 | &addr_table[i], | |
802 | sizeof(addr_table[i])); | |
803 | if (ret) | |
804 | brcmf_err("add arp ip err %d\n", | |
805 | ret); | |
44129ed0 FL |
806 | } |
807 | } | |
808 | break; | |
809 | default: | |
810 | break; | |
811 | } | |
812 | ||
813 | return NOTIFY_OK; | |
814 | } | |
815 | #endif | |
816 | ||
52f22fb2 FL |
817 | #if IS_ENABLED(CONFIG_IPV6) |
818 | static int brcmf_inet6addr_changed(struct notifier_block *nb, | |
819 | unsigned long action, void *data) | |
820 | { | |
821 | struct brcmf_pub *drvr = container_of(nb, struct brcmf_pub, | |
822 | inet6addr_notifier); | |
823 | struct inet6_ifaddr *ifa = data; | |
824 | struct brcmf_if *ifp; | |
825 | int i; | |
826 | struct in6_addr *table; | |
827 | ||
828 | /* Only handle primary interface */ | |
829 | ifp = drvr->iflist[0]; | |
830 | if (!ifp) | |
831 | return NOTIFY_DONE; | |
832 | if (ifp->ndev != ifa->idev->dev) | |
833 | return NOTIFY_DONE; | |
834 | ||
835 | table = ifp->ipv6_addr_tbl; | |
836 | for (i = 0; i < NDOL_MAX_ENTRIES; i++) | |
837 | if (ipv6_addr_equal(&ifa->addr, &table[i])) | |
838 | break; | |
839 | ||
840 | switch (action) { | |
841 | case NETDEV_UP: | |
842 | if (i == NDOL_MAX_ENTRIES) { | |
843 | if (ifp->ipv6addr_idx < NDOL_MAX_ENTRIES) { | |
844 | table[ifp->ipv6addr_idx++] = ifa->addr; | |
845 | } else { | |
846 | for (i = 0; i < NDOL_MAX_ENTRIES - 1; i++) | |
847 | table[i] = table[i + 1]; | |
848 | table[NDOL_MAX_ENTRIES - 1] = ifa->addr; | |
849 | } | |
850 | } | |
851 | break; | |
852 | case NETDEV_DOWN: | |
2b7425f3 HM |
853 | if (i < NDOL_MAX_ENTRIES) { |
854 | for (; i < ifp->ipv6addr_idx - 1; i++) | |
52f22fb2 | 855 | table[i] = table[i + 1]; |
2b7425f3 HM |
856 | memset(&table[i], 0, sizeof(table[i])); |
857 | ifp->ipv6addr_idx--; | |
858 | } | |
52f22fb2 FL |
859 | break; |
860 | default: | |
861 | break; | |
862 | } | |
863 | ||
864 | schedule_work(&ifp->ndoffload_work); | |
865 | ||
866 | return NOTIFY_OK; | |
867 | } | |
868 | #endif | |
869 | ||
af5b5e62 | 870 | int brcmf_attach(struct device *dev, struct brcmf_mp_device *settings) |
5b435de0 | 871 | { |
d08b6a37 | 872 | struct brcmf_pub *drvr = NULL; |
712ac5b3 | 873 | int ret = 0; |
6ea696eb | 874 | int i; |
5b435de0 AS |
875 | |
876 | brcmf_dbg(TRACE, "Enter\n"); | |
877 | ||
5b435de0 | 878 | /* Allocate primary brcmf_info */ |
d08b6a37 FL |
879 | drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC); |
880 | if (!drvr) | |
712ac5b3 | 881 | return -ENOMEM; |
5b435de0 | 882 | |
6ea696eb HM |
883 | for (i = 0; i < ARRAY_SIZE(drvr->if2bss); i++) |
884 | drvr->if2bss[i] = BRCMF_BSSIDX_INVALID; | |
885 | ||
d08b6a37 | 886 | mutex_init(&drvr->proto_block); |
5b435de0 AS |
887 | |
888 | /* Link to bus module */ | |
8dee77ba | 889 | drvr->hdrlen = 0; |
d08b6a37 | 890 | drvr->bus_if = dev_get_drvdata(dev); |
55a63bcc | 891 | drvr->bus_if->drvr = drvr; |
af5b5e62 | 892 | drvr->settings = settings; |
7d34b056 | 893 | |
ff4445a8 AS |
894 | /* attach debug facilities */ |
895 | brcmf_debug_attach(drvr); | |
d319a7cf | 896 | |
5b435de0 | 897 | /* Attach and link in the protocol */ |
712ac5b3 FL |
898 | ret = brcmf_proto_attach(drvr); |
899 | if (ret != 0) { | |
5e8149f5 | 900 | brcmf_err("brcmf_prot_attach failed\n"); |
5b435de0 AS |
901 | goto fail; |
902 | } | |
903 | ||
f1ac3aa2 RM |
904 | /* Attach to events important for core code */ |
905 | brcmf_fweh_register(drvr, BRCMF_E_PSM_WATCHDOG, | |
906 | brcmf_psm_watchdog_notify); | |
907 | ||
5c36b99a AS |
908 | /* attach firmware event handler */ |
909 | brcmf_fweh_attach(drvr); | |
910 | ||
712ac5b3 | 911 | return ret; |
5b435de0 AS |
912 | |
913 | fail: | |
712ac5b3 | 914 | brcmf_detach(dev); |
5b435de0 | 915 | |
712ac5b3 | 916 | return ret; |
5b435de0 AS |
917 | } |
918 | ||
c7cd5d27 AS |
919 | static int brcmf_revinfo_read(struct seq_file *s, void *data) |
920 | { | |
921 | struct brcmf_bus *bus_if = dev_get_drvdata(s->private); | |
922 | struct brcmf_rev_info *ri = &bus_if->drvr->revinfo; | |
923 | char drev[BRCMU_DOTREV_LEN]; | |
924 | char brev[BRCMU_BOARDREV_LEN]; | |
925 | ||
926 | seq_printf(s, "vendorid: 0x%04x\n", ri->vendorid); | |
927 | seq_printf(s, "deviceid: 0x%04x\n", ri->deviceid); | |
928 | seq_printf(s, "radiorev: %s\n", brcmu_dotrev_str(ri->radiorev, drev)); | |
929 | seq_printf(s, "chipnum: %u (%x)\n", ri->chipnum, ri->chipnum); | |
930 | seq_printf(s, "chiprev: %u\n", ri->chiprev); | |
931 | seq_printf(s, "chippkg: %u\n", ri->chippkg); | |
932 | seq_printf(s, "corerev: %u\n", ri->corerev); | |
933 | seq_printf(s, "boardid: 0x%04x\n", ri->boardid); | |
934 | seq_printf(s, "boardvendor: 0x%04x\n", ri->boardvendor); | |
935 | seq_printf(s, "boardrev: %s\n", brcmu_boardrev_str(ri->boardrev, brev)); | |
936 | seq_printf(s, "driverrev: %s\n", brcmu_dotrev_str(ri->driverrev, drev)); | |
937 | seq_printf(s, "ucoderev: %u\n", ri->ucoderev); | |
938 | seq_printf(s, "bus: %u\n", ri->bus); | |
939 | seq_printf(s, "phytype: %u\n", ri->phytype); | |
940 | seq_printf(s, "phyrev: %u\n", ri->phyrev); | |
941 | seq_printf(s, "anarev: %u\n", ri->anarev); | |
942 | seq_printf(s, "nvramrev: %08x\n", ri->nvramrev); | |
943 | ||
944 | return 0; | |
945 | } | |
946 | ||
e8cd4750 | 947 | int brcmf_bus_started(struct device *dev) |
5b435de0 AS |
948 | { |
949 | int ret = -1; | |
ed683c98 FL |
950 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
951 | struct brcmf_pub *drvr = bus_if->drvr; | |
1ed9baf0 | 952 | struct brcmf_if *ifp; |
2fde59d9 | 953 | struct brcmf_if *p2p_ifp; |
5b435de0 AS |
954 | |
955 | brcmf_dbg(TRACE, "\n"); | |
956 | ||
1ed9baf0 | 957 | /* add primary networking interface */ |
ddddfed2 | 958 | ifp = brcmf_add_if(drvr, 0, 0, false, "wlan%d", NULL); |
1ed9baf0 AS |
959 | if (IS_ERR(ifp)) |
960 | return PTR_ERR(ifp); | |
961 | ||
2b76acdb | 962 | p2p_ifp = NULL; |
2fde59d9 | 963 | |
0af29bf7 | 964 | /* signal bus ready */ |
a1cee865 | 965 | brcmf_bus_change_state(bus_if, BRCMF_BUS_UP); |
0af29bf7 HM |
966 | |
967 | /* Bus is ready, do any initialization */ | |
968 | ret = brcmf_c_preinit_dcmds(ifp); | |
5b435de0 | 969 | if (ret < 0) |
6b028c5e | 970 | goto fail; |
5b435de0 | 971 | |
c7cd5d27 AS |
972 | brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read); |
973 | ||
9b1933a3 AS |
974 | /* assure we have chipid before feature attach */ |
975 | if (!bus_if->chip) { | |
48622903 AS |
976 | bus_if->chip = drvr->revinfo.chipnum; |
977 | bus_if->chiprev = drvr->revinfo.chiprev; | |
978 | brcmf_dbg(INFO, "firmware revinfo: chip %x (%d) rev %d\n", | |
979 | bus_if->chip, bus_if->chip, bus_if->chiprev); | |
9b1933a3 | 980 | } |
c08437b4 AS |
981 | brcmf_feat_attach(drvr); |
982 | ||
62c50a34 | 983 | ret = brcmf_proto_init_done(drvr); |
a786b38d AS |
984 | if (ret < 0) |
985 | goto fail; | |
986 | ||
9fdc64bb | 987 | brcmf_proto_add_if(drvr, ifp); |
349e7104 | 988 | |
ae7c03f6 | 989 | drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev, |
7d34b056 | 990 | drvr->settings->p2p_enable); |
6b028c5e HM |
991 | if (drvr->config == NULL) { |
992 | ret = -ENOMEM; | |
993 | goto fail; | |
994 | } | |
1ed9baf0 | 995 | |
28c14f4a | 996 | ret = brcmf_net_attach(ifp, false); |
2b76acdb | 997 | |
7d34b056 | 998 | if ((!ret) && (drvr->settings->p2p_enable)) { |
2b76acdb HM |
999 | p2p_ifp = drvr->iflist[1]; |
1000 | if (p2p_ifp) | |
1001 | ret = brcmf_net_p2p_attach(p2p_ifp); | |
1002 | } | |
44129ed0 FL |
1003 | |
1004 | if (ret) | |
1005 | goto fail; | |
1006 | ||
1007 | #ifdef CONFIG_INET | |
1008 | drvr->inetaddr_notifier.notifier_call = brcmf_inetaddr_changed; | |
1009 | ret = register_inetaddr_notifier(&drvr->inetaddr_notifier); | |
52f22fb2 FL |
1010 | if (ret) |
1011 | goto fail; | |
1012 | ||
1013 | #if IS_ENABLED(CONFIG_IPV6) | |
1014 | drvr->inet6addr_notifier.notifier_call = brcmf_inet6addr_changed; | |
1015 | ret = register_inet6addr_notifier(&drvr->inet6addr_notifier); | |
1016 | if (ret) { | |
1017 | unregister_inetaddr_notifier(&drvr->inetaddr_notifier); | |
1018 | goto fail; | |
1019 | } | |
44129ed0 | 1020 | #endif |
52f22fb2 FL |
1021 | #endif /* CONFIG_INET */ |
1022 | ||
1023 | return 0; | |
44129ed0 | 1024 | |
6b028c5e | 1025 | fail: |
52f22fb2 FL |
1026 | brcmf_err("failed: %d\n", ret); |
1027 | if (drvr->config) { | |
1028 | brcmf_cfg80211_detach(drvr->config); | |
1029 | drvr->config = NULL; | |
1ed9baf0 | 1030 | } |
835680b8 | 1031 | brcmf_net_detach(ifp->ndev, false); |
52f22fb2 | 1032 | if (p2p_ifp) |
b50ddfa8 | 1033 | brcmf_net_detach(p2p_ifp->ndev, false); |
52f22fb2 FL |
1034 | drvr->iflist[0] = NULL; |
1035 | drvr->iflist[1] = NULL; | |
af5b5e62 | 1036 | if (drvr->settings->ignore_probe_fail) |
52f22fb2 FL |
1037 | ret = 0; |
1038 | ||
1039 | return ret; | |
5b435de0 AS |
1040 | } |
1041 | ||
8dee77ba AS |
1042 | void brcmf_bus_add_txhdrlen(struct device *dev, uint len) |
1043 | { | |
1044 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1045 | struct brcmf_pub *drvr = bus_if->drvr; | |
1046 | ||
1047 | if (drvr) { | |
1048 | drvr->hdrlen += len; | |
1049 | } | |
1050 | } | |
1051 | ||
81d5f1bb AS |
1052 | void brcmf_dev_reset(struct device *dev) |
1053 | { | |
1054 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1055 | struct brcmf_pub *drvr = bus_if->drvr; | |
1056 | ||
1057 | if (drvr == NULL) | |
1058 | return; | |
1059 | ||
643ecaab HM |
1060 | if (drvr->iflist[0]) |
1061 | brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); | |
81d5f1bb AS |
1062 | } |
1063 | ||
5f947ad9 | 1064 | void brcmf_detach(struct device *dev) |
5b435de0 | 1065 | { |
2880b868 | 1066 | s32 i; |
5f947ad9 FL |
1067 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
1068 | struct brcmf_pub *drvr = bus_if->drvr; | |
5b435de0 AS |
1069 | |
1070 | brcmf_dbg(TRACE, "Enter\n"); | |
1071 | ||
817b178c HM |
1072 | if (drvr == NULL) |
1073 | return; | |
5b435de0 | 1074 | |
44129ed0 FL |
1075 | #ifdef CONFIG_INET |
1076 | unregister_inetaddr_notifier(&drvr->inetaddr_notifier); | |
1077 | #endif | |
1078 | ||
52f22fb2 FL |
1079 | #if IS_ENABLED(CONFIG_IPV6) |
1080 | unregister_inet6addr_notifier(&drvr->inet6addr_notifier); | |
1081 | #endif | |
1082 | ||
5c36b99a AS |
1083 | /* stop firmware event handling */ |
1084 | brcmf_fweh_detach(drvr); | |
40b503c7 AS |
1085 | if (drvr->config) |
1086 | brcmf_p2p_detach(&drvr->config->p2p); | |
5c36b99a | 1087 | |
bb350711 AS |
1088 | brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); |
1089 | ||
5f947ad9 FL |
1090 | /* make sure primary interface removed last */ |
1091 | for (i = BRCMF_MAX_IFS-1; i > -1; i--) | |
b50ddfa8 | 1092 | brcmf_remove_interface(drvr->iflist[i], false); |
5b435de0 | 1093 | |
e1479951 AS |
1094 | brcmf_cfg80211_detach(drvr->config); |
1095 | ||
bfa7295e | 1096 | brcmf_bus_stop(drvr->bus_if); |
5b435de0 | 1097 | |
85b84133 | 1098 | brcmf_proto_detach(drvr); |
5b435de0 | 1099 | |
ff4445a8 | 1100 | brcmf_debug_detach(drvr); |
5f947ad9 FL |
1101 | bus_if->drvr = NULL; |
1102 | kfree(drvr); | |
5b435de0 AS |
1103 | } |
1104 | ||
cf458287 AS |
1105 | s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len) |
1106 | { | |
1107 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); | |
1108 | struct brcmf_if *ifp = bus_if->drvr->iflist[0]; | |
1109 | ||
1110 | return brcmf_fil_iovar_data_set(ifp, name, data, len); | |
1111 | } | |
1112 | ||
10ef7321 | 1113 | static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) |
5b435de0 | 1114 | { |
10ef7321 | 1115 | return atomic_read(&ifp->pend_8021x_cnt); |
5b435de0 AS |
1116 | } |
1117 | ||
118eb304 | 1118 | int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp) |
5b435de0 | 1119 | { |
21fff75d HM |
1120 | int err; |
1121 | ||
10ef7321 HM |
1122 | err = wait_event_timeout(ifp->pend_8021x_wait, |
1123 | !brcmf_get_pend_8021x_cnt(ifp), | |
63ce3d5d | 1124 | MAX_WAIT_FOR_8021X_TX); |
21fff75d | 1125 | |
2f0e56fa RM |
1126 | if (!err) |
1127 | brcmf_err("Timed out waiting for no pending 802.1x packets\n"); | |
21fff75d HM |
1128 | |
1129 | return !err; | |
5b435de0 AS |
1130 | } |
1131 | ||
649f38ae HM |
1132 | void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state) |
1133 | { | |
1134 | struct brcmf_pub *drvr = bus->drvr; | |
1135 | struct net_device *ndev; | |
1136 | int ifidx; | |
1137 | ||
1138 | brcmf_dbg(TRACE, "%d -> %d\n", bus->state, state); | |
1139 | bus->state = state; | |
1140 | ||
1141 | if (state == BRCMF_BUS_UP) { | |
1142 | for (ifidx = 0; ifidx < BRCMF_MAX_IFS; ifidx++) { | |
1143 | if ((drvr->iflist[ifidx]) && | |
1144 | (drvr->iflist[ifidx]->ndev)) { | |
1145 | ndev = drvr->iflist[ifidx]->ndev; | |
1146 | if (netif_queue_stopped(ndev)) | |
1147 | netif_wake_queue(ndev); | |
1148 | } | |
1149 | } | |
1150 | } | |
1151 | } | |
1152 | ||
db4efbbe | 1153 | static void brcmf_driver_register(struct work_struct *work) |
f3d7cdc3 | 1154 | { |
f3d7cdc3 | 1155 | #ifdef CONFIG_BRCMFMAC_SDIO |
db4efbbe | 1156 | brcmf_sdio_register(); |
f3d7cdc3 | 1157 | #endif |
71bb244b | 1158 | #ifdef CONFIG_BRCMFMAC_USB |
db4efbbe | 1159 | brcmf_usb_register(); |
71bb244b | 1160 | #endif |
9e37f045 HM |
1161 | #ifdef CONFIG_BRCMFMAC_PCIE |
1162 | brcmf_pcie_register(); | |
1163 | #endif | |
e64a4b70 | 1164 | } |
db4efbbe | 1165 | static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); |
e64a4b70 | 1166 | |
d84d99e0 | 1167 | int __init brcmf_core_init(void) |
e64a4b70 AS |
1168 | { |
1169 | if (!schedule_work(&brcmf_driver_work)) | |
1170 | return -EBUSY; | |
1171 | ||
549040ab | 1172 | return 0; |
f3d7cdc3 AS |
1173 | } |
1174 | ||
d84d99e0 | 1175 | void __exit brcmf_core_exit(void) |
f3d7cdc3 | 1176 | { |
e64a4b70 AS |
1177 | cancel_work_sync(&brcmf_driver_work); |
1178 | ||
f3d7cdc3 AS |
1179 | #ifdef CONFIG_BRCMFMAC_SDIO |
1180 | brcmf_sdio_exit(); | |
1181 | #endif | |
71bb244b AS |
1182 | #ifdef CONFIG_BRCMFMAC_USB |
1183 | brcmf_usb_exit(); | |
9e37f045 HM |
1184 | #endif |
1185 | #ifdef CONFIG_BRCMFMAC_PCIE | |
1186 | brcmf_pcie_exit(); | |
71bb244b | 1187 | #endif |
f3d7cdc3 AS |
1188 | } |
1189 |