2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
17 #include <linux/kernel.h>
18 #include <linux/etherdevice.h>
19 #include <linux/module.h>
20 #include <net/cfg80211.h>
21 #include <net/rtnetlink.h>
22 #include <brcmu_utils.h>
23 #include <brcmu_wifi.h>
27 #include "dhd_proto.h"
29 #include "fwil_types.h"
31 #include "wl_cfg80211.h"
34 MODULE_AUTHOR("Broadcom Corporation");
35 MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver.");
36 MODULE_SUPPORTED_DEVICE("Broadcom 802.11 WLAN fullmac cards");
37 MODULE_LICENSE("Dual BSD/GPL");
39 #define MAX_WAIT_FOR_8021X_TX 50 /* msecs */
43 module_param(brcmf_msg_level, int, 0);
46 static int brcmf_p2p_enable;
48 module_param_named(p2pon, brcmf_p2p_enable, int, 0);
49 MODULE_PARM_DESC(p2pon, "enable p2p management functionality");
52 char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx)
54 if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) {
55 brcmf_err("ifidx %d out of range\n", ifidx);
59 if (drvr->iflist[ifidx] == NULL) {
60 brcmf_err("null i/f %d\n", ifidx);
64 if (drvr->iflist[ifidx]->ndev)
65 return drvr->iflist[ifidx]->ndev->name;
70 static void _brcmf_set_multicast_list(struct work_struct *work)
73 struct net_device *ndev;
74 struct netdev_hw_addr *ha;
81 ifp = container_of(work, struct brcmf_if, multicast_work);
83 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
87 /* Determine initial value of allmulti flag */
88 cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false;
90 /* Send down the multicast list first. */
91 cnt = netdev_mc_count(ndev);
92 buflen = sizeof(cnt) + (cnt * ETH_ALEN);
93 buf = kmalloc(buflen, GFP_ATOMIC);
98 cnt_le = cpu_to_le32(cnt);
99 memcpy(bufp, &cnt_le, sizeof(cnt_le));
100 bufp += sizeof(cnt_le);
102 netdev_for_each_mc_addr(ha, ndev) {
105 memcpy(bufp, ha->addr, ETH_ALEN);
110 err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen);
112 brcmf_err("Setting mcast_list failed, %d\n", err);
113 cmd_value = cnt ? true : cmd_value;
119 * Now send the allmulti setting. This is based on the setting in the
120 * net_device flags, but might be modified above to be turned on if we
121 * were trying to set some addresses and dongle rejected it...
123 err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value);
125 brcmf_err("Setting allmulti failed, %d\n", err);
127 /*Finally, pick up the PROMISC flag */
128 cmd_value = (ndev->flags & IFF_PROMISC) ? true : false;
129 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value);
131 brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
136 _brcmf_set_mac_address(struct work_struct *work)
138 struct brcmf_if *ifp;
141 ifp = container_of(work, struct brcmf_if, setmacaddr_work);
143 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
145 err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr,
148 brcmf_err("Setting cur_etheraddr failed, %d\n", err);
150 brcmf_dbg(TRACE, "MAC address updated to %pM\n",
152 memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
156 static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr)
158 struct brcmf_if *ifp = netdev_priv(ndev);
159 struct sockaddr *sa = (struct sockaddr *)addr;
161 memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN);
162 schedule_work(&ifp->setmacaddr_work);
166 static void brcmf_netdev_set_multicast_list(struct net_device *ndev)
168 struct brcmf_if *ifp = netdev_priv(ndev);
170 schedule_work(&ifp->multicast_work);
173 static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
174 struct net_device *ndev)
177 struct brcmf_if *ifp = netdev_priv(ndev);
178 struct brcmf_pub *drvr = ifp->drvr;
181 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
183 /* Can the device send data? */
184 if (drvr->bus_if->state != BRCMF_BUS_DATA) {
185 brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state);
186 netif_stop_queue(ndev);
192 if (!drvr->iflist[ifp->bssidx]) {
193 brcmf_err("bad ifidx %d\n", ifp->bssidx);
194 netif_stop_queue(ndev);
200 /* Make sure there's enough room for any header */
201 if (skb_headroom(skb) < drvr->hdrlen) {
202 struct sk_buff *skb2;
204 brcmf_dbg(INFO, "%s: insufficient headroom\n",
205 brcmf_ifname(drvr, ifp->bssidx));
206 drvr->bus_if->tx_realloc++;
207 skb2 = skb_realloc_headroom(skb, drvr->hdrlen);
211 brcmf_err("%s: skb_realloc_headroom failed\n",
212 brcmf_ifname(drvr, ifp->bssidx));
218 /* validate length for ether packet */
219 if (skb->len < sizeof(*eh)) {
225 /* handle ethernet header */
226 eh = (struct ethhdr *)(skb->data);
227 if (is_multicast_ether_addr(eh->h_dest))
228 drvr->tx_multicast++;
229 if (ntohs(eh->h_proto) == ETH_P_PAE)
230 atomic_inc(&ifp->pend_8021x_cnt);
232 /* If the protocol uses a data header, apply it */
233 brcmf_proto_hdrpush(drvr, ifp->ifidx, skb);
235 /* Use bus module to send data frame */
236 ret = brcmf_bus_txdata(drvr->bus_if, skb);
240 ifp->stats.tx_dropped++;
242 ifp->stats.tx_packets++;
243 ifp->stats.tx_bytes += skb->len;
246 /* Return ok: we always eat the packet */
250 void brcmf_txflowblock(struct device *dev, bool state)
252 struct net_device *ndev;
253 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
254 struct brcmf_pub *drvr = bus_if->drvr;
257 brcmf_dbg(TRACE, "Enter\n");
259 for (i = 0; i < BRCMF_MAX_IFS; i++)
260 if (drvr->iflist[i]) {
261 ndev = drvr->iflist[i]->ndev;
263 netif_stop_queue(ndev);
265 netif_wake_queue(ndev);
269 void brcmf_rx_frames(struct device *dev, struct sk_buff_head *skb_list)
273 struct sk_buff *skb, *pnext;
274 struct brcmf_if *ifp;
275 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
276 struct brcmf_pub *drvr = bus_if->drvr;
280 brcmf_dbg(TRACE, "Enter\n");
282 skb_queue_walk_safe(skb_list, skb, pnext) {
283 skb_unlink(skb, skb_list);
285 /* process and remove protocol-specific header */
286 ret = brcmf_proto_hdrpull(drvr, &ifidx, skb);
287 ifp = drvr->iflist[ifidx];
289 if (ret || !ifp || !ifp->ndev) {
290 if ((ret != -ENODATA) && ifp)
291 ifp->stats.rx_errors++;
292 brcmu_pkt_buf_free_skb(skb);
296 /* Get the protocol, maintain skb around eth_type_trans()
297 * The main reason for this hack is for the limitation of
298 * Linux 2.4 where 'eth_type_trans' uses the
299 * 'net->hard_header_len'
300 * to perform skb_pull inside vs ETH_HLEN. Since to avoid
301 * coping of the packet coming from the network stack to add
302 * BDC, Hardware header etc, during network interface
304 * we set the 'net->hard_header_len' to ETH_HLEN + extra space
306 * for BDC, Hardware header etc. and not just the ETH_HLEN
311 skb->dev = ifp->ndev;
312 skb->protocol = eth_type_trans(skb, skb->dev);
314 if (skb->pkt_type == PACKET_MULTICAST)
315 ifp->stats.multicast++;
320 /* Strip header, count, deliver upward */
321 skb_pull(skb, ETH_HLEN);
323 /* Process special event packets and then discard them */
324 brcmf_fweh_process_skb(drvr, skb, &ifidx);
326 if (drvr->iflist[ifidx]) {
327 ifp = drvr->iflist[ifidx];
328 ifp->ndev->last_rx = jiffies;
331 if (!(ifp->ndev->flags & IFF_UP)) {
332 brcmu_pkt_buf_free_skb(skb);
336 ifp->stats.rx_bytes += skb->len;
337 ifp->stats.rx_packets++;
342 /* If the receive is not processed inside an ISR,
343 * the softirqd must be woken explicitly to service
344 * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled
345 * by netif_rx_ni(), but in earlier kernels, we need
352 void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success)
357 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
358 struct brcmf_pub *drvr = bus_if->drvr;
359 struct brcmf_if *ifp;
361 brcmf_proto_hdrpull(drvr, &ifidx, txp);
363 ifp = drvr->iflist[ifidx];
367 eh = (struct ethhdr *)(txp->data);
368 type = ntohs(eh->h_proto);
370 if (type == ETH_P_PAE) {
371 atomic_dec(&ifp->pend_8021x_cnt);
372 if (waitqueue_active(&ifp->pend_8021x_wait))
373 wake_up(&ifp->pend_8021x_wait);
376 ifp->stats.tx_errors++;
379 static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
381 struct brcmf_if *ifp = netdev_priv(ndev);
383 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
389 * Set current toe component enables in toe_ol iovar,
390 * and set toe global enable iovar
392 static int brcmf_toe_set(struct brcmf_if *ifp, u32 toe_ol)
396 err = brcmf_fil_iovar_int_set(ifp, "toe_ol", toe_ol);
398 brcmf_err("Setting toe_ol failed, %d\n", err);
402 err = brcmf_fil_iovar_int_set(ifp, "toe", (toe_ol != 0));
404 brcmf_err("Setting toe failed, %d\n", err);
410 static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
411 struct ethtool_drvinfo *info)
413 struct brcmf_if *ifp = netdev_priv(ndev);
414 struct brcmf_pub *drvr = ifp->drvr;
416 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
417 snprintf(info->version, sizeof(info->version), "%lu",
419 strlcpy(info->bus_info, dev_name(drvr->bus_if->dev),
420 sizeof(info->bus_info));
423 static const struct ethtool_ops brcmf_ethtool_ops = {
424 .get_drvinfo = brcmf_ethtool_get_drvinfo,
427 static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr)
429 struct brcmf_pub *drvr = ifp->drvr;
430 struct ethtool_drvinfo info;
431 char drvname[sizeof(info.driver)];
433 struct ethtool_value edata;
434 u32 toe_cmpnt, csum_dir;
437 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
439 /* all ethtool calls start with a cmd word */
440 if (copy_from_user(&cmd, uaddr, sizeof(u32)))
444 case ETHTOOL_GDRVINFO:
445 /* Copy out any request driver name */
446 if (copy_from_user(&info, uaddr, sizeof(info)))
448 strncpy(drvname, info.driver, sizeof(info.driver));
449 drvname[sizeof(info.driver) - 1] = '\0';
451 /* clear struct for return */
452 memset(&info, 0, sizeof(info));
455 /* if requested, identify ourselves */
456 if (strcmp(drvname, "?dhd") == 0) {
457 sprintf(info.driver, "dhd");
458 strcpy(info.version, BRCMF_VERSION_STR);
460 /* report dongle driver type */
462 sprintf(info.driver, "wl");
464 sprintf(info.version, "%lu", drvr->drv_version);
465 if (copy_to_user(uaddr, &info, sizeof(info)))
467 brcmf_dbg(TRACE, "given %*s, returning %s\n",
468 (int)sizeof(drvname), drvname, info.driver);
471 /* Get toe offload components from dongle */
472 case ETHTOOL_GRXCSUM:
473 case ETHTOOL_GTXCSUM:
474 ret = brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_cmpnt);
479 (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
482 edata.data = (toe_cmpnt & csum_dir) ? 1 : 0;
484 if (copy_to_user(uaddr, &edata, sizeof(edata)))
488 /* Set toe offload components in dongle */
489 case ETHTOOL_SRXCSUM:
490 case ETHTOOL_STXCSUM:
491 if (copy_from_user(&edata, uaddr, sizeof(edata)))
494 /* Read the current settings, update and write back */
495 ret = brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_cmpnt);
500 (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
503 toe_cmpnt |= csum_dir;
505 toe_cmpnt &= ~csum_dir;
507 ret = brcmf_toe_set(ifp, toe_cmpnt);
511 /* If setting TX checksum mode, tell Linux the new mode */
512 if (cmd == ETHTOOL_STXCSUM) {
514 ifp->ndev->features |= NETIF_F_IP_CSUM;
516 ifp->ndev->features &= ~NETIF_F_IP_CSUM;
528 static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr,
531 struct brcmf_if *ifp = netdev_priv(ndev);
532 struct brcmf_pub *drvr = ifp->drvr;
534 brcmf_dbg(TRACE, "Enter, idx=%d, cmd=0x%04x\n", ifp->bssidx, cmd);
536 if (!drvr->iflist[ifp->bssidx])
539 if (cmd == SIOCETHTOOL)
540 return brcmf_ethtool(ifp, ifr->ifr_data);
545 static int brcmf_netdev_stop(struct net_device *ndev)
547 struct brcmf_if *ifp = netdev_priv(ndev);
549 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
551 brcmf_cfg80211_down(ndev);
553 /* Set state and stop OS transmissions */
554 netif_stop_queue(ndev);
559 static int brcmf_netdev_open(struct net_device *ndev)
561 struct brcmf_if *ifp = netdev_priv(ndev);
562 struct brcmf_pub *drvr = ifp->drvr;
563 struct brcmf_bus *bus_if = drvr->bus_if;
567 brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
569 /* If bus is not ready, can't continue */
570 if (bus_if->state != BRCMF_BUS_DATA) {
571 brcmf_err("failed bus is not ready\n");
575 atomic_set(&ifp->pend_8021x_cnt, 0);
577 /* Get current TOE mode from dongle */
578 if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0
579 && (toe_ol & TOE_TX_CSUM_OL) != 0)
580 ndev->features |= NETIF_F_IP_CSUM;
582 ndev->features &= ~NETIF_F_IP_CSUM;
584 /* Allow transmit calls */
585 netif_start_queue(ndev);
586 if (brcmf_cfg80211_up(ndev)) {
587 brcmf_err("failed to bring up cfg80211\n");
594 static const struct net_device_ops brcmf_netdev_ops_pri = {
595 .ndo_open = brcmf_netdev_open,
596 .ndo_stop = brcmf_netdev_stop,
597 .ndo_get_stats = brcmf_netdev_get_stats,
598 .ndo_do_ioctl = brcmf_netdev_ioctl_entry,
599 .ndo_start_xmit = brcmf_netdev_start_xmit,
600 .ndo_set_mac_address = brcmf_netdev_set_mac_address,
601 .ndo_set_rx_mode = brcmf_netdev_set_multicast_list
604 int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
606 struct brcmf_pub *drvr = ifp->drvr;
607 struct net_device *ndev;
610 brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx,
614 /* set appropriate operations */
615 ndev->netdev_ops = &brcmf_netdev_ops_pri;
617 ndev->hard_header_len = ETH_HLEN + drvr->hdrlen;
618 ndev->ethtool_ops = &brcmf_ethtool_ops;
620 drvr->rxsz = ndev->mtu + ndev->hard_header_len +
623 /* set the mac address */
624 memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
626 INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address);
627 INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
630 err = register_netdevice(ndev);
632 err = register_netdev(ndev);
634 brcmf_err("couldn't register the net device\n");
638 brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
643 ndev->netdev_ops = NULL;
647 static int brcmf_net_p2p_open(struct net_device *ndev)
649 brcmf_dbg(TRACE, "Enter\n");
651 return brcmf_cfg80211_up(ndev);
654 static int brcmf_net_p2p_stop(struct net_device *ndev)
656 brcmf_dbg(TRACE, "Enter\n");
658 return brcmf_cfg80211_down(ndev);
661 static int brcmf_net_p2p_do_ioctl(struct net_device *ndev,
662 struct ifreq *ifr, int cmd)
664 brcmf_dbg(TRACE, "Enter\n");
668 static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb,
669 struct net_device *ndev)
672 dev_kfree_skb_any(skb);
677 static const struct net_device_ops brcmf_netdev_ops_p2p = {
678 .ndo_open = brcmf_net_p2p_open,
679 .ndo_stop = brcmf_net_p2p_stop,
680 .ndo_do_ioctl = brcmf_net_p2p_do_ioctl,
681 .ndo_start_xmit = brcmf_net_p2p_start_xmit
684 static int brcmf_net_p2p_attach(struct brcmf_if *ifp)
686 struct net_device *ndev;
688 brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx,
692 ndev->netdev_ops = &brcmf_netdev_ops_p2p;
694 /* set the mac address */
695 memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
697 if (register_netdev(ndev) != 0) {
698 brcmf_err("couldn't register the p2p net device\n");
702 brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
710 struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx,
711 char *name, u8 *mac_addr)
713 struct brcmf_if *ifp;
714 struct net_device *ndev;
716 brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx);
718 ifp = drvr->iflist[bssidx];
720 * Delete the existing interface before overwriting it
721 * in case we missed the BRCMF_E_IF_DEL event.
724 brcmf_err("ERROR: netdev:%s already exists\n",
727 netif_stop_queue(ifp->ndev);
728 unregister_netdev(ifp->ndev);
729 free_netdev(ifp->ndev);
730 drvr->iflist[bssidx] = NULL;
732 brcmf_err("ignore IF event\n");
733 return ERR_PTR(-EINVAL);
737 /* Allocate netdev, including space for private structure */
738 ndev = alloc_netdev(sizeof(struct brcmf_if), name, ether_setup);
740 brcmf_err("OOM - alloc_netdev\n");
741 return ERR_PTR(-ENOMEM);
744 ifp = netdev_priv(ndev);
747 drvr->iflist[bssidx] = ifp;
749 ifp->bssidx = bssidx;
752 init_waitqueue_head(&ifp->pend_8021x_wait);
754 if (mac_addr != NULL)
755 memcpy(ifp->mac_addr, mac_addr, ETH_ALEN);
757 brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n",
758 current->pid, ifp->ndev->name, ifp->mac_addr);
763 void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
765 struct brcmf_if *ifp;
767 ifp = drvr->iflist[bssidx];
769 brcmf_err("Null interface, idx=%d\n", bssidx);
772 brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx);
775 if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
777 brcmf_netdev_stop(ifp->ndev);
781 netif_stop_queue(ifp->ndev);
784 if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
785 cancel_work_sync(&ifp->setmacaddr_work);
786 cancel_work_sync(&ifp->multicast_work);
789 unregister_netdev(ifp->ndev);
790 drvr->iflist[bssidx] = NULL;
792 brcmf_cfg80211_detach(drvr->config);
793 free_netdev(ifp->ndev);
797 int brcmf_attach(uint bus_hdrlen, struct device *dev)
799 struct brcmf_pub *drvr = NULL;
802 brcmf_dbg(TRACE, "Enter\n");
804 /* Allocate primary brcmf_info */
805 drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC);
809 mutex_init(&drvr->proto_block);
811 /* Link to bus module */
812 drvr->hdrlen = bus_hdrlen;
813 drvr->bus_if = dev_get_drvdata(dev);
814 drvr->bus_if->drvr = drvr;
816 /* create device debugfs folder */
817 brcmf_debugfs_attach(drvr);
819 /* Attach and link in the protocol */
820 ret = brcmf_proto_attach(drvr);
822 brcmf_err("brcmf_prot_attach failed\n");
826 /* attach firmware event handler */
827 brcmf_fweh_attach(drvr);
829 INIT_LIST_HEAD(&drvr->bus_if->dcmd_list);
839 int brcmf_bus_start(struct device *dev)
842 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
843 struct brcmf_pub *drvr = bus_if->drvr;
844 struct brcmf_if *ifp;
845 struct brcmf_if *p2p_ifp;
847 brcmf_dbg(TRACE, "\n");
849 /* Bring up the bus */
850 ret = brcmf_bus_init(bus_if);
852 brcmf_err("brcmf_sdbrcm_bus_init failed %d\n", ret);
856 /* add primary networking interface */
857 ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL);
861 if (brcmf_p2p_enable)
862 p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL);
868 /* signal bus ready */
869 bus_if->state = BRCMF_BUS_DATA;
871 /* Bus is ready, do any initialization */
872 ret = brcmf_c_preinit_dcmds(ifp);
876 drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev);
877 if (drvr->config == NULL) {
882 ret = brcmf_fweh_activate_events(ifp);
886 ret = brcmf_net_attach(ifp, false);
889 brcmf_err("failed: %d\n", ret);
891 brcmf_cfg80211_detach(drvr->config);
892 free_netdev(ifp->ndev);
893 drvr->iflist[0] = NULL;
895 free_netdev(p2p_ifp->ndev);
896 drvr->iflist[1] = NULL;
900 if ((brcmf_p2p_enable) && (p2p_ifp))
901 brcmf_net_p2p_attach(p2p_ifp);
906 static void brcmf_bus_detach(struct brcmf_pub *drvr)
908 brcmf_dbg(TRACE, "Enter\n");
911 /* Stop the protocol module */
912 brcmf_proto_stop(drvr);
914 /* Stop the bus module */
915 brcmf_bus_stop(drvr->bus_if);
919 void brcmf_dev_reset(struct device *dev)
921 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
922 struct brcmf_pub *drvr = bus_if->drvr;
928 brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1);
931 void brcmf_detach(struct device *dev)
934 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
935 struct brcmf_pub *drvr = bus_if->drvr;
937 brcmf_dbg(TRACE, "Enter\n");
942 /* stop firmware event handling */
943 brcmf_fweh_detach(drvr);
945 /* make sure primary interface removed last */
946 for (i = BRCMF_MAX_IFS-1; i > -1; i--)
948 brcmf_del_if(drvr, i);
950 brcmf_bus_detach(drvr);
953 brcmf_proto_detach(drvr);
955 brcmf_debugfs_detach(drvr);
960 static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp)
962 return atomic_read(&ifp->pend_8021x_cnt);
965 int brcmf_netdev_wait_pend8021x(struct net_device *ndev)
967 struct brcmf_if *ifp = netdev_priv(ndev);
970 err = wait_event_timeout(ifp->pend_8021x_wait,
971 !brcmf_get_pend_8021x_cnt(ifp),
972 msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX));
980 * return chip id and rev of the device encoded in u32.
982 u32 brcmf_get_chip_info(struct brcmf_if *ifp)
984 struct brcmf_bus *bus = ifp->drvr->bus_if;
986 return bus->chip << 4 | bus->chiprev;
989 static void brcmf_driver_init(struct work_struct *work)
991 brcmf_debugfs_init();
993 #ifdef CONFIG_BRCMFMAC_SDIO
996 #ifdef CONFIG_BRCMFMAC_USB
1000 static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init);
1002 static int __init brcmfmac_module_init(void)
1004 if (!schedule_work(&brcmf_driver_work))
1010 static void __exit brcmfmac_module_exit(void)
1012 cancel_work_sync(&brcmf_driver_work);
1014 #ifdef CONFIG_BRCMFMAC_SDIO
1017 #ifdef CONFIG_BRCMFMAC_USB
1020 brcmf_debugfs_exit();
1023 module_init(brcmfmac_module_init);
1024 module_exit(brcmfmac_module_exit);