/** * 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_remove_interface(drvr, ifevent->bssidx); }
void brcmf_detach(struct device *dev) { s32 i; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; brcmf_dbg(TRACE, "Enter\n"); if (drvr == NULL) return; #ifdef CONFIG_INET unregister_inetaddr_notifier(&drvr->inetaddr_notifier); #endif #if IS_ENABLED(CONFIG_IPV6) unregister_inet6addr_notifier(&drvr->inet6addr_notifier); #endif /* stop firmware event handling */ brcmf_fweh_detach(drvr); if (drvr->config) brcmf_p2p_detach(&drvr->config->p2p); brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); /* make sure primary interface removed last */ for (i = BRCMF_MAX_IFS-1; i > -1; i--) brcmf_remove_interface(drvr->iflist[i], false); brcmf_cfg80211_detach(drvr->config); brcmf_fws_deinit(drvr); brcmf_bus_detach(drvr); brcmf_proto_detach(drvr); brcmf_debug_detach(drvr); bus_if->drvr = NULL; kfree(drvr); }