/**
* brcmf_fweh_handle_if_event() - handle IF event.
*
* @drvr: driver information object.
* @item: queue entry.
* @ifpp: interface object (may change upon ADD action).
*/
static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
struct brcmf_event_msg *emsg,
void *data)
{
struct brcmf_if_event *ifevent = data;
struct brcmf_if *ifp;
bool is_p2pdev;
int err = 0;
brcmf_dbg(EVENT, "action: %u ifidx: %u bsscfgidx: %u flags: %u role: %u\n",
ifevent->action, ifevent->ifidx, ifevent->bsscfgidx,
ifevent->flags, ifevent->role);
/* The P2P Device interface event must not be ignored contrary to what
* firmware tells us. Older firmware uses p2p noif, with sta role.
* This should be accepted when p2pdev_setup is ongoing. TDLS setup will
* use the same ifevent and should be ignored.
*/
is_p2pdev = ((ifevent->flags & BRCMF_E_IF_FLAG_NOIF) &&
(ifevent->role == BRCMF_E_IF_ROLE_P2P_CLIENT ||
((ifevent->role == BRCMF_E_IF_ROLE_STA) &&
(drvr->fweh.p2pdev_setup_ongoing))));
if (!is_p2pdev && (ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) {
brcmf_dbg(EVENT, "event can be ignored\n");
return;
}
if (ifevent->ifidx >= BRCMF_MAX_IFS) {
brcmf_err("invalid interface index: %u\n", ifevent->ifidx);
return;
}
ifp = drvr->iflist[ifevent->bsscfgidx];
if (ifevent->action == BRCMF_E_IF_ADD) {
brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname,
emsg->addr);
ifp = brcmf_add_if(drvr, ifevent->bsscfgidx, ifevent->ifidx,
is_p2pdev, emsg->ifname, emsg->addr);
if (IS_ERR(ifp))
return;
if (!is_p2pdev)
brcmf_fws_add_interface(ifp);
if (!drvr->fweh.evt_handler[BRCMF_E_IF])
if (brcmf_net_attach(ifp, false) < 0)
return;
}
if (ifp && ifevent->action == BRCMF_E_IF_CHANGE)
brcmf_fws_reset_interface(ifp);
err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data);
if (ifp && ifevent->action == BRCMF_E_IF_DEL) {
bool armed = brcmf_cfg80211_vif_event_armed(drvr->config);
/* Default handling in case no-one waits for this event */
if (!armed)
brcmf_remove_interface(ifp, false);
}
}
/**
* brcmf_fweh_handle_if_event() - handle IF event.
*
* @drvr: driver information object.
* @item: queue entry.
* @ifpp: interface object (may change upon ADD action).
*/
static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
struct brcmf_event_msg *emsg,
void *data)
{
struct brcmf_if_event *ifevent = data;
struct brcmf_if *ifp;
int err = 0;
brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n",
ifevent->action, ifevent->ifidx, ifevent->bssidx,
ifevent->flags, ifevent->role);
/* The P2P Device interface event must not be ignored
* contrary to what firmware tells us. The only way to
* distinguish the P2P Device is by looking at the ifidx
* and bssidx received.
*/
if (!(ifevent->ifidx == 0 && ifevent->bssidx == 1) &&
(ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) {
brcmf_dbg(EVENT, "event can be ignored\n");
return;
}
if (ifevent->ifidx >= BRCMF_MAX_IFS) {
brcmf_err("invalid interface index: %u\n",
ifevent->ifidx);
return;
}
ifp = drvr->iflist[ifevent->bssidx];
if (ifevent->action == BRCMF_E_IF_ADD) {
brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname,
emsg->addr);
ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx,
emsg->ifname, emsg->addr);
if (IS_ERR(ifp))
return;
brcmf_fws_add_interface(ifp);
if (!drvr->fweh.evt_handler[BRCMF_E_IF])
if (brcmf_net_attach(ifp, false) < 0)
return;
}
if (ifp && ifevent->action == BRCMF_E_IF_CHANGE)
brcmf_fws_reset_interface(ifp);
err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data);
if (ifp && ifevent->action == BRCMF_E_IF_DEL) {
brcmf_fws_del_interface(ifp);
brcmf_del_if(drvr, ifevent->bssidx);
}
}
/**
* brcmf_fweh_handle_if_event() - handle IF event.
*
* @drvr: driver information object.
* @item: queue entry.
* @ifpp: interface object (may change upon ADD action).
*/
static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
struct brcmf_event_msg *emsg,
void *data)
{
struct brcmf_if_event *ifevent = data;
struct brcmf_if *ifp;
int err = 0;
brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n",
ifevent->action, ifevent->ifidx, ifevent->bssidx,
ifevent->flags, ifevent->role);
if (ifevent->flags & BRCMF_E_IF_FLAG_NOIF) {
brcmf_dbg(EVENT, "event can be ignored\n");
return;
}
if (ifevent->ifidx >= BRCMF_MAX_IFS) {
brcmf_err("invalid interface index: %u\n",
ifevent->ifidx);
return;
}
ifp = drvr->iflist[ifevent->bssidx];
if (ifevent->action == BRCMF_E_IF_ADD) {
brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname,
emsg->addr);
ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx,
emsg->ifname, emsg->addr);
if (IS_ERR(ifp))
return;
brcmf_fws_add_interface(ifp);
if (!drvr->fweh.evt_handler[BRCMF_E_IF])
if (brcmf_net_attach(ifp, false) < 0)
return;
}
if (ifevent->action == BRCMF_E_IF_CHANGE)
brcmf_fws_reset_interface(ifp);
err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data);
if (ifevent->action == BRCMF_E_IF_DEL) {
brcmf_fws_del_interface(ifp);
brcmf_del_if(drvr, ifevent->bssidx);
}
}
int brcmf_bus_start(struct device *dev)
{
int ret = -1;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_pub *drvr = bus_if->drvr;
struct brcmf_if *ifp;
struct brcmf_if *p2p_ifp;
brcmf_dbg(TRACE, "\n");
/* add primary networking interface */
ifp = brcmf_add_if(drvr, 0, 0, false, "wlan%d", NULL);
if (IS_ERR(ifp))
return PTR_ERR(ifp);
p2p_ifp = NULL;
/* signal bus ready */
brcmf_bus_change_state(bus_if, BRCMF_BUS_UP);
/* Bus is ready, do any initialization */
ret = brcmf_c_preinit_dcmds(ifp);
if (ret < 0)
goto fail;
brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read);
/* assure we have chipid before feature attach */
if (!bus_if->chip) {
bus_if->chip = drvr->revinfo.chipnum;
bus_if->chiprev = drvr->revinfo.chiprev;
brcmf_dbg(INFO, "firmware revinfo: chip %x (%d) rev %d\n",
bus_if->chip, bus_if->chip, bus_if->chiprev);
}
brcmf_feat_attach(drvr);
ret = brcmf_fws_init(drvr);
if (ret < 0)
goto fail;
brcmf_fws_add_interface(ifp);
drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev,
drvr->settings->p2p_enable);
if (drvr->config == NULL) {
ret = -ENOMEM;
goto fail;
}
ret = brcmf_net_attach(ifp, false);
if ((!ret) && (drvr->settings->p2p_enable)) {
p2p_ifp = drvr->iflist[1];
if (p2p_ifp)
ret = brcmf_net_p2p_attach(p2p_ifp);
}
if (ret)
goto fail;
#ifdef CONFIG_INET
drvr->inetaddr_notifier.notifier_call = brcmf_inetaddr_changed;
ret = register_inetaddr_notifier(&drvr->inetaddr_notifier);
if (ret)
goto fail;
#if IS_ENABLED(CONFIG_IPV6)
drvr->inet6addr_notifier.notifier_call = brcmf_inet6addr_changed;
ret = register_inet6addr_notifier(&drvr->inet6addr_notifier);
if (ret) {
unregister_inetaddr_notifier(&drvr->inetaddr_notifier);
goto fail;
}
#endif
#endif /* CONFIG_INET */
return 0;
fail:
brcmf_err("failed: %d\n", ret);
if (drvr->config) {
brcmf_cfg80211_detach(drvr->config);
drvr->config = NULL;
}
if (drvr->fws) {
brcmf_fws_del_interface(ifp);
brcmf_fws_deinit(drvr);
}
if (ifp)
brcmf_net_detach(ifp->ndev, false);
if (p2p_ifp)
brcmf_net_detach(p2p_ifp->ndev, false);
drvr->iflist[0] = NULL;
drvr->iflist[1] = NULL;
if (drvr->settings->ignore_probe_fail)
ret = 0;
return ret;
}
