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 <linux/inetdevice.h>
21 #include <net/cfg80211.h>
22 #include <net/rtnetlink.h>
23 #include <net/addrconf.h>
25 #include <brcmu_utils.h>
26 #include <brcmu_wifi.h>
31 #include "fwil_types.h"
40 #define MAX_WAIT_FOR_8021X_TX msecs_to_jiffies(950)
42 #define BRCMF_BSSIDX_INVALID -1
44 char *brcmf_ifname(struct brcmf_if *ifp)
50 return ifp->ndev->name;
55 struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx)
60 if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) {
61 brcmf_err("ifidx %d out of range\n", ifidx);
66 bsscfgidx = drvr->if2bss[ifidx];
68 ifp = drvr->iflist[bsscfgidx];
73 static void _brcmf_set_multicast_list(struct work_struct *work)
76 struct net_device *ndev;
77 struct netdev_hw_addr *ha;
84 ifp = container_of(work, struct brcmf_if, multicast_work);
86 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
90 /* Determine initial value of allmulti flag */
91 cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false;
93 /* Send down the multicast list first. */
94 cnt = netdev_mc_count(ndev);
95 buflen = sizeof(cnt) + (cnt * ETH_ALEN);
96 buf = kmalloc(buflen, GFP_ATOMIC);
101 cnt_le = cpu_to_le32(cnt);
102 memcpy(bufp, &cnt_le, sizeof(cnt_le));
103 bufp += sizeof(cnt_le);
105 netdev_for_each_mc_addr(ha, ndev) {
108 memcpy(bufp, ha->addr, ETH_ALEN);
113 err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen);
115 brcmf_err("Setting mcast_list failed, %d\n", err);
116 cmd_value = cnt ? true : cmd_value;
122 * Now send the allmulti setting. This is based on the setting in the
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...
126 err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value);
128 brcmf_err("Setting allmulti failed, %d\n", err);
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);
134 brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
138 #if IS_ENABLED(CONFIG_IPV6)
139 static void _brcmf_update_ndtable(struct work_struct *work)
141 struct brcmf_if *ifp;
144 ifp = container_of(work, struct brcmf_if, ndoffload_work);
146 /* clear the table in firmware */
147 ret = brcmf_fil_iovar_data_set(ifp, "nd_hostip_clear", NULL, 0);
149 brcmf_dbg(TRACE, "fail to clear nd ip table err:%d\n", ret);
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));
158 brcmf_err("add nd ip err %d\n", ret);
162 static void _brcmf_update_ndtable(struct work_struct *work)
167 static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr)
169 struct brcmf_if *ifp = netdev_priv(ndev);
170 struct sockaddr *sa = (struct sockaddr *)addr;
173 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
175 err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", sa->sa_data,
178 brcmf_err("Setting cur_etheraddr failed, %d\n", err);
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);
187 static void brcmf_netdev_set_multicast_list(struct net_device *ndev)
189 struct brcmf_if *ifp = netdev_priv(ndev);
191 schedule_work(&ifp->multicast_work);
194 static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
195 struct net_device *ndev)
198 struct brcmf_if *ifp = netdev_priv(ndev);
199 struct brcmf_pub *drvr = ifp->drvr;
202 brcmf_dbg(DATA, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
204 /* Can the device send data? */
205 if (drvr->bus_if->state != BRCMF_BUS_UP) {
206 brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state);
207 netif_stop_queue(ndev);
213 /* Make sure there's enough writable headroom*/
214 ret = skb_cow_head(skb, drvr->hdrlen);
216 brcmf_err("%s: skb_cow_head failed\n",
222 /* validate length for ether packet */
223 if (skb->len < sizeof(*eh)) {
229 eh = (struct ethhdr *)(skb->data);
231 if (eh->h_proto == htons(ETH_P_PAE))
232 atomic_inc(&ifp->pend_8021x_cnt);
234 /* determine the priority */
235 if ((skb->priority == 0) || (skb->priority > 7))
236 skb->priority = cfg80211_classify8021d(skb, NULL);
238 ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb);
240 brcmf_txfinalize(ifp, skb, false);
244 ndev->stats.tx_dropped++;
246 ndev->stats.tx_packets++;
247 ndev->stats.tx_bytes += skb->len;
250 /* Return ok: we always eat the packet */
254 void brcmf_txflowblock_if(struct brcmf_if *ifp,
255 enum brcmf_netif_stop_reason reason, bool state)
259 if (!ifp || !ifp->ndev)
262 brcmf_dbg(TRACE, "enter: bsscfgidx=%d stop=0x%X reason=%d state=%d\n",
263 ifp->bsscfgidx, ifp->netif_stop, reason, state);
265 spin_lock_irqsave(&ifp->netif_stop_lock, flags);
267 if (!ifp->netif_stop)
268 netif_stop_queue(ifp->ndev);
269 ifp->netif_stop |= reason;
271 ifp->netif_stop &= ~reason;
272 if (!ifp->netif_stop)
273 netif_wake_queue(ifp->ndev);
275 spin_unlock_irqrestore(&ifp->netif_stop_lock, flags);
278 void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb)
280 if (skb->pkt_type == PACKET_MULTICAST)
281 ifp->ndev->stats.multicast++;
283 if (!(ifp->ndev->flags & IFF_UP)) {
284 brcmu_pkt_buf_free_skb(skb);
288 ifp->ndev->stats.rx_bytes += skb->len;
289 ifp->ndev->stats.rx_packets++;
291 brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol));
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().
302 static int brcmf_rx_hdrpull(struct brcmf_pub *drvr, struct sk_buff *skb,
303 struct brcmf_if **ifp)
307 /* process and remove protocol-specific header */
308 ret = brcmf_proto_hdrpull(drvr, true, skb, ifp);
310 if (ret || !(*ifp) || !(*ifp)->ndev) {
311 if (ret != -ENODATA && *ifp)
312 (*ifp)->ndev->stats.rx_errors++;
313 brcmu_pkt_buf_free_skb(skb);
317 skb->protocol = eth_type_trans(skb, (*ifp)->ndev);
321 void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event)
323 struct brcmf_if *ifp;
324 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
325 struct brcmf_pub *drvr = bus_if->drvr;
327 brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb);
329 if (brcmf_rx_hdrpull(drvr, skb, &ifp))
332 if (brcmf_proto_is_reorder_skb(skb)) {
333 brcmf_proto_rxreorder(ifp, skb);
335 /* Process special event packets */
337 brcmf_fweh_process_skb(ifp->drvr, skb);
339 brcmf_netif_rx(ifp, skb);
343 void brcmf_rx_event(struct device *dev, struct sk_buff *skb)
345 struct brcmf_if *ifp;
346 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
347 struct brcmf_pub *drvr = bus_if->drvr;
349 brcmf_dbg(EVENT, "Enter: %s: rxp=%p\n", dev_name(dev), skb);
351 if (brcmf_rx_hdrpull(drvr, skb, &ifp))
354 brcmf_fweh_process_skb(ifp->drvr, skb);
355 brcmu_pkt_buf_free_skb(skb);
358 void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success)
363 eh = (struct ethhdr *)(txp->data);
364 type = ntohs(eh->h_proto);
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);
373 ifp->ndev->stats.tx_errors++;
375 brcmu_pkt_buf_free_skb(txp);
378 static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
379 struct ethtool_drvinfo *info)
381 struct brcmf_if *ifp = netdev_priv(ndev);
382 struct brcmf_pub *drvr = ifp->drvr;
383 char drev[BRCMU_DOTREV_LEN] = "n/a";
385 if (drvr->revinfo.result == 0)
386 brcmu_dotrev_str(drvr->revinfo.driverrev, drev);
387 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
388 strlcpy(info->version, drev, sizeof(info->version));
389 strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version));
390 strlcpy(info->bus_info, dev_name(drvr->bus_if->dev),
391 sizeof(info->bus_info));
394 static const struct ethtool_ops brcmf_ethtool_ops = {
395 .get_drvinfo = brcmf_ethtool_get_drvinfo,
398 static int brcmf_netdev_stop(struct net_device *ndev)
400 struct brcmf_if *ifp = netdev_priv(ndev);
402 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
404 brcmf_cfg80211_down(ndev);
406 brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0);
408 brcmf_net_setcarrier(ifp, false);
413 static int brcmf_netdev_open(struct net_device *ndev)
415 struct brcmf_if *ifp = netdev_priv(ndev);
416 struct brcmf_pub *drvr = ifp->drvr;
417 struct brcmf_bus *bus_if = drvr->bus_if;
420 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
422 /* If bus is not ready, can't continue */
423 if (bus_if->state != BRCMF_BUS_UP) {
424 brcmf_err("failed bus is not ready\n");
428 atomic_set(&ifp->pend_8021x_cnt, 0);
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)
433 ndev->features |= NETIF_F_IP_CSUM;
435 ndev->features &= ~NETIF_F_IP_CSUM;
437 if (brcmf_cfg80211_up(ndev)) {
438 brcmf_err("failed to bring up cfg80211\n");
442 /* Clear, carrier, set when connected or AP mode. */
443 netif_carrier_off(ndev);
447 static const struct net_device_ops brcmf_netdev_ops_pri = {
448 .ndo_open = brcmf_netdev_open,
449 .ndo_stop = brcmf_netdev_stop,
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
455 int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
457 struct brcmf_pub *drvr = ifp->drvr;
458 struct net_device *ndev;
461 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d mac=%pM\n", ifp->bsscfgidx,
465 /* set appropriate operations */
466 ndev->netdev_ops = &brcmf_netdev_ops_pri;
468 ndev->needed_headroom += drvr->hdrlen;
469 ndev->ethtool_ops = &brcmf_ethtool_ops;
471 /* set the mac address & netns */
472 memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
473 dev_net_set(ndev, wiphy_net(cfg_to_wiphy(drvr->config)));
475 INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
476 INIT_WORK(&ifp->ndoffload_work, _brcmf_update_ndtable);
479 err = register_netdevice(ndev);
481 err = register_netdev(ndev);
483 brcmf_err("couldn't register the net device\n");
487 brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
491 drvr->iflist[ifp->bsscfgidx] = NULL;
492 ndev->netdev_ops = NULL;
497 static void brcmf_net_detach(struct net_device *ndev, bool rtnl_locked)
499 if (ndev->reg_state == NETREG_REGISTERED) {
501 unregister_netdevice(ndev);
503 unregister_netdev(ndev);
505 brcmf_cfg80211_free_netdev(ndev);
509 void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on)
511 struct net_device *ndev;
513 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d carrier=%d\n", ifp->bsscfgidx,
517 brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_DISCONNECTED, !on);
519 if (!netif_carrier_ok(ndev))
520 netif_carrier_on(ndev);
523 if (netif_carrier_ok(ndev))
524 netif_carrier_off(ndev);
528 static int brcmf_net_p2p_open(struct net_device *ndev)
530 brcmf_dbg(TRACE, "Enter\n");
532 return brcmf_cfg80211_up(ndev);
535 static int brcmf_net_p2p_stop(struct net_device *ndev)
537 brcmf_dbg(TRACE, "Enter\n");
539 return brcmf_cfg80211_down(ndev);
542 static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb,
543 struct net_device *ndev)
546 dev_kfree_skb_any(skb);
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,
554 .ndo_start_xmit = brcmf_net_p2p_start_xmit
557 static int brcmf_net_p2p_attach(struct brcmf_if *ifp)
559 struct net_device *ndev;
561 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d mac=%pM\n", ifp->bsscfgidx,
565 ndev->netdev_ops = &brcmf_netdev_ops_p2p;
567 /* set the mac address */
568 memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
570 if (register_netdev(ndev) != 0) {
571 brcmf_err("couldn't register the p2p net device\n");
575 brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
580 ifp->drvr->iflist[ifp->bsscfgidx] = NULL;
581 ndev->netdev_ops = NULL;
586 struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
587 bool is_p2pdev, const char *name, u8 *mac_addr)
589 struct brcmf_if *ifp;
590 struct net_device *ndev;
592 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx, ifidx);
594 ifp = drvr->iflist[bsscfgidx];
596 * Delete the existing interface before overwriting it
597 * in case we missed the BRCMF_E_IF_DEL event.
601 brcmf_err("ERROR: netdev:%s already exists\n",
603 netif_stop_queue(ifp->ndev);
604 brcmf_net_detach(ifp->ndev, false);
605 drvr->iflist[bsscfgidx] = NULL;
607 brcmf_dbg(INFO, "netdev:%s ignore IF event\n",
609 return ERR_PTR(-EINVAL);
613 if (!drvr->settings->p2p_enable && is_p2pdev) {
614 /* this is P2P_DEVICE interface */
615 brcmf_dbg(INFO, "allocate non-netdev interface\n");
616 ifp = kzalloc(sizeof(*ifp), GFP_KERNEL);
618 return ERR_PTR(-ENOMEM);
620 brcmf_dbg(INFO, "allocate netdev interface\n");
621 /* Allocate netdev, including space for private structure */
622 ndev = alloc_netdev(sizeof(*ifp), is_p2pdev ? "p2p%d" : name,
623 NET_NAME_UNKNOWN, ether_setup);
625 return ERR_PTR(-ENOMEM);
627 ndev->destructor = brcmf_cfg80211_free_netdev;
628 ifp = netdev_priv(ndev);
630 /* store mapping ifidx to bsscfgidx */
631 if (drvr->if2bss[ifidx] == BRCMF_BSSIDX_INVALID)
632 drvr->if2bss[ifidx] = bsscfgidx;
636 drvr->iflist[bsscfgidx] = ifp;
638 ifp->bsscfgidx = bsscfgidx;
640 init_waitqueue_head(&ifp->pend_8021x_wait);
641 spin_lock_init(&ifp->netif_stop_lock);
643 if (mac_addr != NULL)
644 memcpy(ifp->mac_addr, mac_addr, ETH_ALEN);
646 brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n",
647 current->pid, name, ifp->mac_addr);
652 static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx,
655 struct brcmf_if *ifp;
657 ifp = drvr->iflist[bsscfgidx];
658 drvr->iflist[bsscfgidx] = NULL;
660 brcmf_err("Null interface, bsscfgidx=%d\n", bsscfgidx);
663 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx,
665 if (drvr->if2bss[ifp->ifidx] == bsscfgidx)
666 drvr->if2bss[ifp->ifidx] = BRCMF_BSSIDX_INVALID;
668 if (bsscfgidx == 0) {
669 if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
671 brcmf_netdev_stop(ifp->ndev);
675 netif_stop_queue(ifp->ndev);
678 if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
679 cancel_work_sync(&ifp->multicast_work);
680 cancel_work_sync(&ifp->ndoffload_work);
682 brcmf_net_detach(ifp->ndev, rtnl_locked);
684 /* Only p2p device interfaces which get dynamically created
685 * end up here. In this case the p2p module should be informed
686 * about the removal of the interface within the firmware. If
687 * not then p2p commands towards the firmware will cause some
688 * serious troublesome side effects. The p2p module will clean
689 * up the ifp if needed.
691 brcmf_p2p_ifp_removed(ifp, rtnl_locked);
696 void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked)
698 if (!ifp || WARN_ON(ifp->drvr->iflist[ifp->bsscfgidx] != ifp))
700 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", ifp->bsscfgidx,
702 brcmf_proto_del_if(ifp->drvr, ifp);
703 brcmf_del_if(ifp->drvr, ifp->bsscfgidx, rtnl_locked);
706 static int brcmf_psm_watchdog_notify(struct brcmf_if *ifp,
707 const struct brcmf_event_msg *evtmsg,
712 brcmf_dbg(TRACE, "enter: bsscfgidx=%d\n", ifp->bsscfgidx);
714 brcmf_err("PSM's watchdog has fired!\n");
716 err = brcmf_debug_create_memdump(ifp->drvr->bus_if, data,
719 brcmf_err("Failed to get memory dump, %d\n", err);
725 #define ARPOL_MAX_ENTRIES 8
726 static int brcmf_inetaddr_changed(struct notifier_block *nb,
727 unsigned long action, void *data)
729 struct brcmf_pub *drvr = container_of(nb, struct brcmf_pub,
731 struct in_ifaddr *ifa = data;
732 struct net_device *ndev = ifa->ifa_dev->dev;
733 struct brcmf_if *ifp;
736 __be32 addr_table[ARPOL_MAX_ENTRIES] = {0};
738 /* Find out if the notification is meant for us */
739 for (idx = 0; idx < BRCMF_MAX_IFS; idx++) {
740 ifp = drvr->iflist[idx];
741 if (ifp && ifp->ndev == ndev)
743 if (idx == BRCMF_MAX_IFS - 1)
747 /* check if arp offload is supported */
748 ret = brcmf_fil_iovar_int_get(ifp, "arpoe", &val);
752 /* old version only support primary index */
753 ret = brcmf_fil_iovar_int_get(ifp, "arp_version", &val);
757 ifp = drvr->iflist[0];
759 /* retrieve the table from firmware */
760 ret = brcmf_fil_iovar_data_get(ifp, "arp_hostip", addr_table,
763 brcmf_err("fail to get arp ip table err:%d\n", ret);
767 for (i = 0; i < ARPOL_MAX_ENTRIES; i++)
768 if (ifa->ifa_address == addr_table[i])
773 if (i == ARPOL_MAX_ENTRIES) {
774 brcmf_dbg(TRACE, "add %pI4 to arp table\n",
776 /* set it directly */
777 ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip",
778 &ifa->ifa_address, sizeof(ifa->ifa_address));
780 brcmf_err("add arp ip err %d\n", ret);
784 if (i < ARPOL_MAX_ENTRIES) {
786 brcmf_dbg(TRACE, "remove %pI4 from arp table\n",
788 /* clear the table in firmware */
789 ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear",
792 brcmf_err("fail to clear arp ip table err:%d\n",
796 for (i = 0; i < ARPOL_MAX_ENTRIES; i++) {
797 if (addr_table[i] == 0)
799 ret = brcmf_fil_iovar_data_set(ifp, "arp_hostip",
801 sizeof(addr_table[i]));
803 brcmf_err("add arp ip err %d\n",
816 #if IS_ENABLED(CONFIG_IPV6)
817 static int brcmf_inet6addr_changed(struct notifier_block *nb,
818 unsigned long action, void *data)
820 struct brcmf_pub *drvr = container_of(nb, struct brcmf_pub,
822 struct inet6_ifaddr *ifa = data;
823 struct brcmf_if *ifp;
825 struct in6_addr *table;
827 /* Only handle primary interface */
828 ifp = drvr->iflist[0];
831 if (ifp->ndev != ifa->idev->dev)
834 table = ifp->ipv6_addr_tbl;
835 for (i = 0; i < NDOL_MAX_ENTRIES; i++)
836 if (ipv6_addr_equal(&ifa->addr, &table[i]))
841 if (i == NDOL_MAX_ENTRIES) {
842 if (ifp->ipv6addr_idx < NDOL_MAX_ENTRIES) {
843 table[ifp->ipv6addr_idx++] = ifa->addr;
845 for (i = 0; i < NDOL_MAX_ENTRIES - 1; i++)
846 table[i] = table[i + 1];
847 table[NDOL_MAX_ENTRIES - 1] = ifa->addr;
852 if (i < NDOL_MAX_ENTRIES) {
853 for (; i < ifp->ipv6addr_idx - 1; i++)
854 table[i] = table[i + 1];
855 memset(&table[i], 0, sizeof(table[i]));
863 schedule_work(&ifp->ndoffload_work);
869 int brcmf_attach(struct device *dev, struct brcmf_mp_device *settings)
871 struct brcmf_pub *drvr = NULL;
875 brcmf_dbg(TRACE, "Enter\n");
877 /* Allocate primary brcmf_info */
878 drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC);
882 for (i = 0; i < ARRAY_SIZE(drvr->if2bss); i++)
883 drvr->if2bss[i] = BRCMF_BSSIDX_INVALID;
885 mutex_init(&drvr->proto_block);
887 /* Link to bus module */
889 drvr->bus_if = dev_get_drvdata(dev);
890 drvr->bus_if->drvr = drvr;
891 drvr->settings = settings;
893 /* attach debug facilities */
894 brcmf_debug_attach(drvr);
896 /* Attach and link in the protocol */
897 ret = brcmf_proto_attach(drvr);
899 brcmf_err("brcmf_prot_attach failed\n");
903 /* Attach to events important for core code */
904 brcmf_fweh_register(drvr, BRCMF_E_PSM_WATCHDOG,
905 brcmf_psm_watchdog_notify);
907 /* attach firmware event handler */
908 brcmf_fweh_attach(drvr);
918 static int brcmf_revinfo_read(struct seq_file *s, void *data)
920 struct brcmf_bus *bus_if = dev_get_drvdata(s->private);
921 struct brcmf_rev_info *ri = &bus_if->drvr->revinfo;
922 char drev[BRCMU_DOTREV_LEN];
923 char brev[BRCMU_BOARDREV_LEN];
925 seq_printf(s, "vendorid: 0x%04x\n", ri->vendorid);
926 seq_printf(s, "deviceid: 0x%04x\n", ri->deviceid);
927 seq_printf(s, "radiorev: %s\n", brcmu_dotrev_str(ri->radiorev, drev));
928 seq_printf(s, "chipnum: %u (%x)\n", ri->chipnum, ri->chipnum);
929 seq_printf(s, "chiprev: %u\n", ri->chiprev);
930 seq_printf(s, "chippkg: %u\n", ri->chippkg);
931 seq_printf(s, "corerev: %u\n", ri->corerev);
932 seq_printf(s, "boardid: 0x%04x\n", ri->boardid);
933 seq_printf(s, "boardvendor: 0x%04x\n", ri->boardvendor);
934 seq_printf(s, "boardrev: %s\n", brcmu_boardrev_str(ri->boardrev, brev));
935 seq_printf(s, "driverrev: %s\n", brcmu_dotrev_str(ri->driverrev, drev));
936 seq_printf(s, "ucoderev: %u\n", ri->ucoderev);
937 seq_printf(s, "bus: %u\n", ri->bus);
938 seq_printf(s, "phytype: %u\n", ri->phytype);
939 seq_printf(s, "phyrev: %u\n", ri->phyrev);
940 seq_printf(s, "anarev: %u\n", ri->anarev);
941 seq_printf(s, "nvramrev: %08x\n", ri->nvramrev);
946 int brcmf_bus_started(struct device *dev)
949 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
950 struct brcmf_pub *drvr = bus_if->drvr;
951 struct brcmf_if *ifp;
952 struct brcmf_if *p2p_ifp;
954 brcmf_dbg(TRACE, "\n");
956 /* add primary networking interface */
957 ifp = brcmf_add_if(drvr, 0, 0, false, "wlan%d", NULL);
963 /* signal bus ready */
964 brcmf_bus_change_state(bus_if, BRCMF_BUS_UP);
966 /* Bus is ready, do any initialization */
967 ret = brcmf_c_preinit_dcmds(ifp);
971 brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read);
973 /* assure we have chipid before feature attach */
975 bus_if->chip = drvr->revinfo.chipnum;
976 bus_if->chiprev = drvr->revinfo.chiprev;
977 brcmf_dbg(INFO, "firmware revinfo: chip %x (%d) rev %d\n",
978 bus_if->chip, bus_if->chip, bus_if->chiprev);
980 brcmf_feat_attach(drvr);
982 ret = brcmf_proto_init_done(drvr);
986 brcmf_proto_add_if(drvr, ifp);
988 drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev,
989 drvr->settings->p2p_enable);
990 if (drvr->config == NULL) {
995 ret = brcmf_net_attach(ifp, false);
997 if ((!ret) && (drvr->settings->p2p_enable)) {
998 p2p_ifp = drvr->iflist[1];
1000 ret = brcmf_net_p2p_attach(p2p_ifp);
1007 drvr->inetaddr_notifier.notifier_call = brcmf_inetaddr_changed;
1008 ret = register_inetaddr_notifier(&drvr->inetaddr_notifier);
1012 #if IS_ENABLED(CONFIG_IPV6)
1013 drvr->inet6addr_notifier.notifier_call = brcmf_inet6addr_changed;
1014 ret = register_inet6addr_notifier(&drvr->inet6addr_notifier);
1016 unregister_inetaddr_notifier(&drvr->inetaddr_notifier);
1020 #endif /* CONFIG_INET */
1025 brcmf_err("failed: %d\n", ret);
1027 brcmf_cfg80211_detach(drvr->config);
1028 drvr->config = NULL;
1030 brcmf_net_detach(ifp->ndev, false);
1032 brcmf_net_detach(p2p_ifp->ndev, false);
1033 drvr->iflist[0] = NULL;
1034 drvr->iflist[1] = NULL;
1035 if (drvr->settings->ignore_probe_fail)
1041 void brcmf_bus_add_txhdrlen(struct device *dev, uint len)
1043 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
1044 struct brcmf_pub *drvr = bus_if->drvr;
1047 drvr->hdrlen += len;
1051 void brcmf_dev_reset(struct device *dev)
1053 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
1054 struct brcmf_pub *drvr = bus_if->drvr;
1059 if (drvr->iflist[0])
1060 brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1);
1063 void brcmf_detach(struct device *dev)
1066 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
1067 struct brcmf_pub *drvr = bus_if->drvr;
1069 brcmf_dbg(TRACE, "Enter\n");
1075 unregister_inetaddr_notifier(&drvr->inetaddr_notifier);
1078 #if IS_ENABLED(CONFIG_IPV6)
1079 unregister_inet6addr_notifier(&drvr->inet6addr_notifier);
1082 /* stop firmware event handling */
1083 brcmf_fweh_detach(drvr);
1085 brcmf_p2p_detach(&drvr->config->p2p);
1087 brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN);
1089 /* make sure primary interface removed last */
1090 for (i = BRCMF_MAX_IFS-1; i > -1; i--)
1091 brcmf_remove_interface(drvr->iflist[i], false);
1093 brcmf_cfg80211_detach(drvr->config);
1095 brcmf_bus_stop(drvr->bus_if);
1097 brcmf_proto_detach(drvr);
1099 brcmf_debug_detach(drvr);
1100 bus_if->drvr = NULL;
1104 s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len)
1106 struct brcmf_bus *bus_if = dev_get_drvdata(dev);
1107 struct brcmf_if *ifp = bus_if->drvr->iflist[0];
1109 return brcmf_fil_iovar_data_set(ifp, name, data, len);
1112 static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp)
1114 return atomic_read(&ifp->pend_8021x_cnt);
1117 int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp)
1121 err = wait_event_timeout(ifp->pend_8021x_wait,
1122 !brcmf_get_pend_8021x_cnt(ifp),
1123 MAX_WAIT_FOR_8021X_TX);
1126 brcmf_err("Timed out waiting for no pending 802.1x packets\n");
1131 void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state)
1133 struct brcmf_pub *drvr = bus->drvr;
1134 struct net_device *ndev;
1137 brcmf_dbg(TRACE, "%d -> %d\n", bus->state, state);
1140 if (state == BRCMF_BUS_UP) {
1141 for (ifidx = 0; ifidx < BRCMF_MAX_IFS; ifidx++) {
1142 if ((drvr->iflist[ifidx]) &&
1143 (drvr->iflist[ifidx]->ndev)) {
1144 ndev = drvr->iflist[ifidx]->ndev;
1145 if (netif_queue_stopped(ndev))
1146 netif_wake_queue(ndev);
1152 static void brcmf_driver_register(struct work_struct *work)
1154 #ifdef CONFIG_BRCMFMAC_SDIO
1155 brcmf_sdio_register();
1157 #ifdef CONFIG_BRCMFMAC_USB
1158 brcmf_usb_register();
1160 #ifdef CONFIG_BRCMFMAC_PCIE
1161 brcmf_pcie_register();
1164 static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register);
1166 int __init brcmf_core_init(void)
1168 if (!schedule_work(&brcmf_driver_work))
1174 void __exit brcmf_core_exit(void)
1176 cancel_work_sync(&brcmf_driver_work);
1178 #ifdef CONFIG_BRCMFMAC_SDIO
1181 #ifdef CONFIG_BRCMFMAC_USB
1184 #ifdef CONFIG_BRCMFMAC_PCIE