/* * Linux Wireless Extensions support * * Copyright (C) 2010, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * * $Id: wl_iw.c,v 1.109.2.2.8.8 2010/01/28 03:10:40 Exp $ */ #define LINUX_PORT #include #include #include #include #include #include #include #include typedef void wlc_info_t; typedef void wl_info_t; typedef const struct si_pub si_t; #include #include #include extern bool wl_iw_conn_status_str(uint32 event_type, uint32 status, uint32 reason, char* stringBuf, uint buflen); #define MAX_WLIW_IOCTL_LEN 1024 #define htod32(i) i #define htod16(i) i #define dtoh32(i) i #define dtoh16(i) i #define htodchanspec(i) i #define dtohchanspec(i) i #ifdef CONFIG_WIRELESS_EXT extern struct iw_statistics *wl_get_wireless_stats(struct net_device *dev); #endif #if WIRELESS_EXT < 19 #define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST) #define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST) #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29) #define IW_DEV_IF(dev) ((wl_iw_t *)netdev_priv(dev)) #else #define IW_DEV_IF(dev) ((wl_iw_t *)dev->priv) #endif static void swap_key_from_BE( wl_wsec_key_t *key ) { key->index = htod32(key->index); key->len = htod32(key->len); key->algo = htod32(key->algo); key->flags = htod32(key->flags); key->rxiv.hi = htod32(key->rxiv.hi); key->rxiv.lo = htod16(key->rxiv.lo); key->iv_initialized = htod32(key->iv_initialized); } static void swap_key_to_BE( wl_wsec_key_t *key ) { key->index = dtoh32(key->index); key->len = dtoh32(key->len); key->algo = dtoh32(key->algo); key->flags = dtoh32(key->flags); key->rxiv.hi = dtoh32(key->rxiv.hi); key->rxiv.lo = dtoh16(key->rxiv.lo); key->iv_initialized = dtoh32(key->iv_initialized); } static int dev_wlc_ioctl( struct net_device *dev, int cmd, void *arg, int len ) { struct ifreq ifr; wl_ioctl_t ioc; mm_segment_t fs; int ret; memset(&ioc, 0, sizeof(ioc)); ioc.cmd = cmd; ioc.buf = arg; ioc.len = len; strcpy(ifr.ifr_name, dev->name); ifr.ifr_data = (caddr_t) &ioc; fs = get_fs(); set_fs(get_ds()); #if defined(WL_USE_NETDEV_OPS) ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE); #else ret = dev->do_ioctl(dev, &ifr, SIOCDEVPRIVATE); #endif set_fs(fs); return ret; } static int dev_wlc_intvar_set( struct net_device *dev, char *name, int val) { char buf[WLC_IOCTL_SMLEN]; uint len; val = htod32(val); len = bcm_mkiovar(name, (char *)(&val), sizeof(val), buf, sizeof(buf)); ASSERT(len); return (dev_wlc_ioctl(dev, WLC_SET_VAR, buf, len)); } #if WIRELESS_EXT > 17 static int dev_wlc_bufvar_set( struct net_device *dev, char *name, char *buf, int len) { char ioctlbuf[WLC_IOCTL_SMLEN]; uint buflen; buflen = bcm_mkiovar(name, buf, len, ioctlbuf, sizeof(ioctlbuf)); ASSERT(buflen); return (dev_wlc_ioctl(dev, WLC_SET_VAR, ioctlbuf, buflen)); } #endif static int dev_wlc_bufvar_get( struct net_device *dev, char *name, char *buf, int buflen) { char *ioctlbuf; int error; uint len; ioctlbuf = kmalloc(MAX_WLIW_IOCTL_LEN, GFP_KERNEL); if (!ioctlbuf) return -ENOMEM; len = bcm_mkiovar(name, NULL, 0, ioctlbuf, MAX_WLIW_IOCTL_LEN); ASSERT(len); error = dev_wlc_ioctl(dev, WLC_GET_VAR, (void *)ioctlbuf, MAX_WLIW_IOCTL_LEN); if (!error) bcopy(ioctlbuf, buf, buflen); kfree(ioctlbuf); return (error); } static int dev_wlc_intvar_get( struct net_device *dev, char *name, int *retval) { union { char buf[WLC_IOCTL_SMLEN]; int val; } var; int error; uint len; uint data_null; len = bcm_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), sizeof(var.buf)); ASSERT(len); error = dev_wlc_ioctl(dev, WLC_GET_VAR, (void *)&var, len); *retval = dtoh32(var.val); return (error); } #if WIRELESS_EXT < 13 struct iw_request_info { __u16 cmd; __u16 flags; }; typedef int (*iw_handler)(struct net_device *dev, struct iw_request_info *info, void *wrqu, char *extra); #endif #if WIRELESS_EXT > 12 static int wl_iw_set_leddc( struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra ) { int dc = *(int *)extra; int error; error = dev_wlc_intvar_set(dev, "leddc", dc); return error; } static int wl_iw_set_vlanmode( struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra ) { int mode = *(int *)extra; int error; mode = htod32(mode); error = dev_wlc_intvar_set(dev, "vlan_mode", mode); return error; } static int wl_iw_set_pm( struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra ) { int pm = *(int *)extra; int error; pm = htod32(pm); error = dev_wlc_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm)); return error; } #endif static int wl_iw_config_commit( struct net_device *dev, struct iw_request_info *info, void *zwrq, char *extra ) { wlc_ssid_t ssid; int error; struct sockaddr bssid; WL_TRACE(("%s: SIOCSIWCOMMIT\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_SSID, &ssid, sizeof(ssid)))) return error; ssid.SSID_len = dtoh32(ssid.SSID_len); if (!ssid.SSID_len) return 0; bzero(&bssid, sizeof(struct sockaddr)); if ((error = dev_wlc_ioctl(dev, WLC_REASSOC, &bssid, ETHER_ADDR_LEN))) { WL_ERROR(("%s: WLC_REASSOC failed (%d)\n", __FUNCTION__, error)); return error; } return 0; } static int wl_iw_get_name( struct net_device *dev, struct iw_request_info *info, union iwreq_data *cwrq, char *extra ) { int phytype, err; uint band[3]; char cap[5]; WL_TRACE(("%s: SIOCGIWNAME\n", dev->name)); cap[0] = 0; if ((err = dev_wlc_ioctl(dev, WLC_GET_PHYTYPE, &phytype, sizeof(phytype))) < 0) goto done; if ((err = dev_wlc_ioctl(dev, WLC_GET_BANDLIST, band, sizeof(band))) < 0) goto done; band[0] = dtoh32(band[0]); switch (phytype) { case WLC_PHY_TYPE_A: strcpy(cap, "a"); break; case WLC_PHY_TYPE_B: strcpy(cap, "b"); break; case WLC_PHY_TYPE_LP: case WLC_PHY_TYPE_G: if (band[0] >= 2) strcpy(cap, "abg"); else strcpy(cap, "bg"); break; case WLC_PHY_TYPE_N: if (band[0] >= 2) strcpy(cap, "abgn"); else strcpy(cap, "bgn"); break; } done: snprintf(cwrq->name, IFNAMSIZ, "IEEE 802.11%s", cap); return 0; } static int wl_iw_set_freq( struct net_device *dev, struct iw_request_info *info, struct iw_freq *fwrq, char *extra ) { int error, chan; uint sf = 0; WL_TRACE(("%s: SIOCSIWFREQ\n", dev->name)); if (fwrq->e == 0 && fwrq->m < MAXCHANNEL) { chan = fwrq->m; } else { if (fwrq->e >= 6) { fwrq->e -= 6; while (fwrq->e--) fwrq->m *= 10; } else if (fwrq->e < 6) { while (fwrq->e++ < 6) fwrq->m /= 10; } if (fwrq->m > 4000 && fwrq->m < 5000) sf = WF_CHAN_FACTOR_4_G; chan = wf_mhz2channel(fwrq->m, sf); } chan = htod32(chan); if ((error = dev_wlc_ioctl(dev, WLC_SET_CHANNEL, &chan, sizeof(chan)))) return error; return -EINPROGRESS; } static int wl_iw_get_freq( struct net_device *dev, struct iw_request_info *info, struct iw_freq *fwrq, char *extra ) { channel_info_t ci; int error; WL_TRACE(("%s: SIOCGIWFREQ\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) return error; fwrq->m = dtoh32(ci.hw_channel); fwrq->e = dtoh32(0); return 0; } static int wl_iw_set_mode( struct net_device *dev, struct iw_request_info *info, __u32 *uwrq, char *extra ) { int infra = 0, ap = 0, error = 0; WL_TRACE(("%s: SIOCSIWMODE\n", dev->name)); switch (*uwrq) { case IW_MODE_MASTER: infra = ap = 1; break; case IW_MODE_ADHOC: case IW_MODE_AUTO: break; case IW_MODE_INFRA: infra = 1; break; default: return -EINVAL; } infra = htod32(infra); ap = htod32(ap); if ((error = dev_wlc_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra))) || (error = dev_wlc_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)))) return error; return -EINPROGRESS; } static int wl_iw_get_mode( struct net_device *dev, struct iw_request_info *info, __u32 *uwrq, char *extra ) { int error, infra = 0, ap = 0; WL_TRACE(("%s: SIOCGIWMODE\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra))) || (error = dev_wlc_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)))) return error; infra = dtoh32(infra); ap = dtoh32(ap); *uwrq = infra ? ap ? IW_MODE_MASTER : IW_MODE_INFRA : IW_MODE_ADHOC; return 0; } static int wl_iw_get_range( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { struct iw_range *range = (struct iw_range *) extra; static int channels[MAXCHANNEL+1]; wl_uint32_list_t *list = (wl_uint32_list_t *) channels; wl_rateset_t rateset; int error, i; uint sf, ch; WL_TRACE(("%s: SIOCGIWRANGE\n", dev->name)); if (!extra) return -EINVAL; dwrq->length = sizeof(struct iw_range); memset(range, 0, sizeof(range)); range->min_nwid = range->max_nwid = 0; list->count = htod32(MAXCHANNEL); if ((error = dev_wlc_ioctl(dev, WLC_GET_VALID_CHANNELS, channels, sizeof(channels)))) return error; for (i = 0; i < dtoh32(list->count) && i < IW_MAX_FREQUENCIES; i++) { range->freq[i].i = dtoh32(list->element[i]); ch = dtoh32(list->element[i]); if (ch <= CH_MAX_2G_CHANNEL) sf = WF_CHAN_FACTOR_2_4_G; else sf = WF_CHAN_FACTOR_5_G; range->freq[i].m = wf_channel2mhz(ch, sf); range->freq[i].e = 6; } range->num_frequency = range->num_channels = i; range->max_qual.qual = 5; range->max_qual.level = 0x100 - 200; range->max_qual.noise = 0x100 - 200; range->sensitivity = 65535; #if WIRELESS_EXT > 11 range->avg_qual.qual = 3; range->avg_qual.level = 0x100 + WL_IW_RSSI_GOOD; range->avg_qual.noise = 0x100 - 75; #endif if ((error = dev_wlc_ioctl(dev, WLC_GET_CURR_RATESET, &rateset, sizeof(rateset)))) return error; rateset.count = dtoh32(rateset.count); range->num_bitrates = rateset.count; for (i = 0; i < rateset.count && i < IW_MAX_BITRATES; i++) range->bitrate[i] = (rateset.rates[i] & 0x7f) * 500000; if ((error = dev_wlc_ioctl(dev, WLC_GET_PHYTYPE, &i, sizeof(i)))) return error; i = dtoh32(i); if (i == WLC_PHY_TYPE_A) range->throughput = 24000000; else range->throughput = 1500000; range->min_rts = 0; range->max_rts = 2347; range->min_frag = 256; range->max_frag = 2346; range->max_encoding_tokens = DOT11_MAX_DEFAULT_KEYS; range->num_encoding_sizes = 4; range->encoding_size[0] = WEP1_KEY_SIZE; range->encoding_size[1] = WEP128_KEY_SIZE; #if WIRELESS_EXT > 17 range->encoding_size[2] = TKIP_KEY_SIZE; #else range->encoding_size[2] = 0; #endif range->encoding_size[3] = AES_KEY_SIZE; range->min_pmp = 0; range->max_pmp = 0; range->min_pmt = 0; range->max_pmt = 0; range->pmp_flags = 0; range->pm_capa = 0; range->num_txpower = 2; range->txpower[0] = 1; range->txpower[1] = 255; range->txpower_capa = IW_TXPOW_MWATT; #if WIRELESS_EXT > 10 range->we_version_compiled = WIRELESS_EXT; range->we_version_source = 19; range->retry_capa = IW_RETRY_LIMIT; range->retry_flags = IW_RETRY_LIMIT; range->r_time_flags = 0; range->min_retry = 1; range->max_retry = 255; range->min_r_time = 0; range->max_r_time = 0; #endif #if WIRELESS_EXT > 17 range->enc_capa = IW_ENC_CAPA_WPA; range->enc_capa |= IW_ENC_CAPA_CIPHER_TKIP; range->enc_capa |= IW_ENC_CAPA_CIPHER_CCMP; range->enc_capa |= IW_ENC_CAPA_WPA2; #if WIRELESS_EXT >= 22 && defined(IW_SCAN_CAPA_ESSID) range->scan_capa = IW_SCAN_CAPA_ESSID; #endif #endif return 0; } static int rssi_to_qual(int rssi) { if (rssi <= WL_IW_RSSI_NO_SIGNAL) return 0; else if (rssi <= WL_IW_RSSI_VERY_LOW) return 1; else if (rssi <= WL_IW_RSSI_LOW) return 2; else if (rssi <= WL_IW_RSSI_GOOD) return 3; else if (rssi <= WL_IW_RSSI_VERY_GOOD) return 4; else return 5; } static int wl_iw_set_spy( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_iw_t *iw = IW_DEV_IF(dev); struct sockaddr *addr = (struct sockaddr *) extra; int i; WL_TRACE(("%s: SIOCSIWSPY\n", dev->name)); if (!extra) return -EINVAL; iw->spy_num = MIN(ARRAYSIZE(iw->spy_addr), dwrq->length); for (i = 0; i < iw->spy_num; i++) memcpy(&iw->spy_addr[i], addr[i].sa_data, ETHER_ADDR_LEN); memset(iw->spy_qual, 0, sizeof(iw->spy_qual)); return 0; } static int wl_iw_get_spy( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_iw_t *iw = IW_DEV_IF(dev); struct sockaddr *addr = (struct sockaddr *) extra; struct iw_quality *qual = (struct iw_quality *) &addr[iw->spy_num]; int i; WL_TRACE(("%s: SIOCGIWSPY\n", dev->name)); if (!extra) return -EINVAL; dwrq->length = iw->spy_num; for (i = 0; i < iw->spy_num; i++) { memcpy(addr[i].sa_data, &iw->spy_addr[i], ETHER_ADDR_LEN); addr[i].sa_family = AF_UNIX; memcpy(&qual[i], &iw->spy_qual[i], sizeof(struct iw_quality)); iw->spy_qual[i].updated = 0; } return 0; } static int wl_iw_set_wap( struct net_device *dev, struct iw_request_info *info, struct sockaddr *awrq, char *extra ) { int error = -EINVAL; #ifdef BCMDBG #endif WL_TRACE(("%s: SIOCSIWAP\n", dev->name)); if (awrq->sa_family != ARPHRD_ETHER) { WL_ERROR(("%s: Invalid Header...sa_family\n", __FUNCTION__)); return -EINVAL; } if (ETHER_ISBCAST(awrq->sa_data) || ETHER_ISNULLADDR(awrq->sa_data)) { scb_val_t scbval; bzero(&scbval, sizeof(scb_val_t)); if ((error = dev_wlc_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)))) { WL_ERROR(("%s: WLC_DISASSOC failed (%d).\n", __FUNCTION__, error)); } return 0; } if ((error = dev_wlc_ioctl(dev, WLC_REASSOC, awrq->sa_data, ETHER_ADDR_LEN))) { WL_ERROR(("%s: WLC_REASSOC failed (%d).\n", __FUNCTION__, error)); return error; } return 0; } static int wl_iw_get_wap( struct net_device *dev, struct iw_request_info *info, struct sockaddr *awrq, char *extra ) { WL_TRACE(("%s: SIOCGIWAP\n", dev->name)); awrq->sa_family = ARPHRD_ETHER; memset(awrq->sa_data, 0, ETHER_ADDR_LEN); (void) dev_wlc_ioctl(dev, WLC_GET_BSSID, awrq->sa_data, ETHER_ADDR_LEN); return 0; } #if WIRELESS_EXT > 17 static int wl_iw_mlme( struct net_device *dev, struct iw_request_info *info, struct sockaddr *awrq, char *extra ) { struct iw_mlme *mlme; scb_val_t scbval; int error = -EINVAL; WL_TRACE(("%s: SIOCSIWMLME\n", dev->name)); mlme = (struct iw_mlme *)extra; if (mlme == NULL) { WL_ERROR(("Invalid ioctl data.\n")); return error; } scbval.val = mlme->reason_code; bcopy(&mlme->addr.sa_data, &scbval.ea, ETHER_ADDR_LEN); if (mlme->cmd == IW_MLME_DISASSOC) { scbval.val = htod32(scbval.val); error = dev_wlc_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); } else if (mlme->cmd == IW_MLME_DEAUTH) { scbval.val = htod32(scbval.val); error = dev_wlc_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scbval, sizeof(scb_val_t)); } else { WL_ERROR(("%s: Invalid ioctl data.\n", __FUNCTION__)); return error; } return error; } #endif static int wl_iw_get_aplist( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_scan_results_t *list; struct sockaddr *addr = (struct sockaddr *) extra; struct iw_quality qual[IW_MAX_AP]; wl_bss_info_t *bi = NULL; int error, i; uint buflen = dwrq->length; WL_TRACE(("%s: SIOCGIWAPLIST\n", dev->name)); if (!extra) return -EINVAL; list = kmalloc(buflen, GFP_KERNEL); if (!list) return -ENOMEM; memset(list, 0, buflen); list->buflen = htod32(buflen); if ((error = dev_wlc_ioctl(dev, WLC_SCAN_RESULTS, list, buflen))) { WL_ERROR(("%d: Scan results error %d\n", __LINE__, error)); kfree(list); return error; } list->buflen = dtoh32(list->buflen); list->version = dtoh32(list->version); list->count = dtoh32(list->count); ASSERT(list->version == WL_BSS_INFO_VERSION); for (i = 0, dwrq->length = 0; i < list->count && dwrq->length < IW_MAX_AP; i++) { bi = bi ? (wl_bss_info_t *)((uintptr)bi + dtoh32(bi->length)) : list->bss_info; ASSERT(((uintptr)bi + dtoh32(bi->length)) <= ((uintptr)list + buflen)); if (!(dtoh16(bi->capability) & DOT11_CAP_ESS)) continue; memcpy(addr[dwrq->length].sa_data, &bi->BSSID, ETHER_ADDR_LEN); addr[dwrq->length].sa_family = ARPHRD_ETHER; qual[dwrq->length].qual = rssi_to_qual(dtoh16(bi->RSSI)); qual[dwrq->length].level = 0x100 + dtoh16(bi->RSSI); qual[dwrq->length].noise = 0x100 + bi->phy_noise; #if WIRELESS_EXT > 18 qual[dwrq->length].updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; #else qual[dwrq->length].updated = 7; #endif dwrq->length++; } kfree(list); if (dwrq->length) { memcpy(&addr[dwrq->length], qual, sizeof(struct iw_quality) * dwrq->length); dwrq->flags = 1; } return 0; } #if WIRELESS_EXT > 13 static int wl_iw_set_scan( struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra ) { wlc_ssid_t ssid; WL_TRACE(("%s: SIOCSIWSCAN\n", dev->name)); memset(&ssid, 0, sizeof(ssid)); #if WIRELESS_EXT > 17 if (wrqu->data.length == sizeof(struct iw_scan_req)) { if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { struct iw_scan_req *req = (struct iw_scan_req *)extra; ssid.SSID_len = MIN(sizeof(ssid.SSID), req->essid_len); memcpy(ssid.SSID, req->essid, ssid.SSID_len); ssid.SSID_len = htod32(ssid.SSID_len); } } #endif (void) dev_wlc_ioctl(dev, WLC_SCAN, &ssid, sizeof(ssid)); return 0; } #if WIRELESS_EXT > 17 static bool ie_is_wpa_ie(uint8 **wpaie, uint8 **tlvs, int *tlvs_len) { uint8 *ie = *wpaie; if ((ie[1] >= 6) && !bcmp((const void *)&ie[2], (const void *)(WPA_OUI "\x01"), 4)) { return TRUE; } ie += ie[1] + 2; *tlvs_len -= (int)(ie - *tlvs); *tlvs = ie; return FALSE; } static bool ie_is_wps_ie(uint8 **wpsie, uint8 **tlvs, int *tlvs_len) { uint8 *ie = *wpsie; if ((ie[1] >= 4) && !bcmp((const void *)&ie[2], (const void *)(WPA_OUI "\x04"), 4)) { return TRUE; } ie += ie[1] + 2; *tlvs_len -= (int)(ie - *tlvs); *tlvs = ie; return FALSE; } #endif static int wl_iw_get_scan( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { channel_info_t ci; wl_scan_results_t *list; struct iw_event iwe; wl_bss_info_t *bi = NULL; int error, i, j; char *event = extra, *end = extra + IW_SCAN_MAX_DATA, *value; uint buflen = dwrq->length; WL_TRACE(("%s: SIOCGIWSCAN\n", dev->name)); if (!extra) return -EINVAL; if ((error = dev_wlc_ioctl(dev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) return error; ci.scan_channel = dtoh32(ci.scan_channel); if (ci.scan_channel) return -EAGAIN; list = kmalloc(buflen, GFP_KERNEL); if (!list) return -ENOMEM; memset(list, 0, buflen); list->buflen = htod32(buflen); if ((error = dev_wlc_ioctl(dev, WLC_SCAN_RESULTS, list, buflen))) { kfree(list); return error; } list->buflen = dtoh32(list->buflen); list->version = dtoh32(list->version); list->count = dtoh32(list->count); ASSERT(list->version == WL_BSS_INFO_VERSION); for (i = 0; i < list->count && i < IW_MAX_AP; i++) { bi = bi ? (wl_bss_info_t *)((uintptr)bi + dtoh32(bi->length)) : list->bss_info; ASSERT(((uintptr)bi + dtoh32(bi->length)) <= ((uintptr)list + buflen)); iwe.cmd = SIOCGIWAP; iwe.u.ap_addr.sa_family = ARPHRD_ETHER; memcpy(iwe.u.ap_addr.sa_data, &bi->BSSID, ETHER_ADDR_LEN); event = IWE_STREAM_ADD_EVENT(info, event, end, &iwe, IW_EV_ADDR_LEN); iwe.u.data.length = dtoh32(bi->SSID_len); iwe.cmd = SIOCGIWESSID; iwe.u.data.flags = 1; event = IWE_STREAM_ADD_POINT(info, event, end, &iwe, bi->SSID); if (dtoh16(bi->capability) & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) { iwe.cmd = SIOCGIWMODE; if (dtoh16(bi->capability) & DOT11_CAP_ESS) iwe.u.mode = IW_MODE_INFRA; else iwe.u.mode = IW_MODE_ADHOC; event = IWE_STREAM_ADD_EVENT(info, event, end, &iwe, IW_EV_UINT_LEN); } iwe.cmd = SIOCGIWFREQ; iwe.u.freq.m = wf_channel2mhz(CHSPEC_CHANNEL(bi->chanspec), CHSPEC_CHANNEL(bi->chanspec) <= CH_MAX_2G_CHANNEL ? WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G); iwe.u.freq.e = 6; event = IWE_STREAM_ADD_EVENT(info, event, end, &iwe, IW_EV_FREQ_LEN); iwe.cmd = IWEVQUAL; iwe.u.qual.qual = rssi_to_qual(dtoh16(bi->RSSI)); iwe.u.qual.level = 0x100 + dtoh16(bi->RSSI); iwe.u.qual.noise = 0x100 + bi->phy_noise; event = IWE_STREAM_ADD_EVENT(info, event, end, &iwe, IW_EV_QUAL_LEN); #if WIRELESS_EXT > 17 if (bi->ie_length) { bcm_tlv_t *ie; uint8 *ptr = ((uint8 *)bi) + sizeof(wl_bss_info_t); int ptr_len = bi->ie_length; if ((ie = bcm_parse_tlvs(ptr, ptr_len, DOT11_MNG_RSN_ID))) { iwe.cmd = IWEVGENIE; iwe.u.data.length = ie->len + 2; event = IWE_STREAM_ADD_POINT(info, event, end, &iwe, (char *)ie); } ptr = ((uint8 *)bi) + sizeof(wl_bss_info_t); while ((ie = bcm_parse_tlvs(ptr, ptr_len, DOT11_MNG_WPA_ID))) { if (ie_is_wps_ie(((uint8 **)&ie), &ptr, &ptr_len)) { iwe.cmd = IWEVGENIE; iwe.u.data.length = ie->len + 2; event = IWE_STREAM_ADD_POINT(info, event, end, &iwe, (char *)ie); break; } } ptr = ((uint8 *)bi) + sizeof(wl_bss_info_t); ptr_len = bi->ie_length; while ((ie = bcm_parse_tlvs(ptr, ptr_len, DOT11_MNG_WPA_ID))) { if (ie_is_wpa_ie(((uint8 **)&ie), &ptr, &ptr_len)) { iwe.cmd = IWEVGENIE; iwe.u.data.length = ie->len + 2; event = IWE_STREAM_ADD_POINT(info, event, end, &iwe, (char *)ie); goto done; } } } done: #endif iwe.cmd = SIOCGIWENCODE; if (dtoh16(bi->capability) & DOT11_CAP_PRIVACY) iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; else iwe.u.data.flags = IW_ENCODE_DISABLED; iwe.u.data.length = 0; event = IWE_STREAM_ADD_POINT(info, event, end, &iwe, (char *)event); if (bi->rateset.count) { value = event + IW_EV_LCP_LEN; iwe.cmd = SIOCGIWRATE; iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; for (j = 0; j < bi->rateset.count && j < IW_MAX_BITRATES; j++) { iwe.u.bitrate.value = (bi->rateset.rates[j] & 0x7f) * 500000; value = IWE_STREAM_ADD_VALUE(info, event, value, end, &iwe, IW_EV_PARAM_LEN); } event = value; } } kfree(list); dwrq->length = event - extra; dwrq->flags = 0; return 0; } #endif static int wl_iw_set_essid( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wlc_ssid_t ssid; int error; WL_TRACE(("%s: SIOCSIWESSID\n", dev->name)); memset(&ssid, 0, sizeof(ssid)); if (dwrq->length && extra) { #if WIRELESS_EXT > 20 ssid.SSID_len = MIN(sizeof(ssid.SSID), dwrq->length); #else ssid.SSID_len = MIN(sizeof(ssid.SSID), dwrq->length-1); #endif memcpy(ssid.SSID, extra, ssid.SSID_len); ssid.SSID_len = htod32(ssid.SSID_len); } if ((error = dev_wlc_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)))) return error; return 0; } static int wl_iw_get_essid( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wlc_ssid_t ssid; int error; WL_TRACE(("%s: SIOCGIWESSID\n", dev->name)); if (!extra) return -EINVAL; if ((error = dev_wlc_ioctl(dev, WLC_GET_SSID, &ssid, sizeof(ssid)))) { WL_ERROR(("Error getting the SSID\n")); return error; } ssid.SSID_len = dtoh32(ssid.SSID_len); memcpy(extra, ssid.SSID, ssid.SSID_len); dwrq->length = ssid.SSID_len; dwrq->flags = 1; return 0; } static int wl_iw_set_nick( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_iw_t *iw = IW_DEV_IF(dev); WL_TRACE(("%s: SIOCSIWNICKN\n", dev->name)); if (!extra) return -EINVAL; if (dwrq->length > sizeof(iw->nickname)) return -E2BIG; memcpy(iw->nickname, extra, dwrq->length); iw->nickname[dwrq->length - 1] = '\0'; return 0; } static int wl_iw_get_nick( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_iw_t *iw = IW_DEV_IF(dev); WL_TRACE(("%s: SIOCGIWNICKN\n", dev->name)); if (!extra) return -EINVAL; strcpy(extra, iw->nickname); dwrq->length = strlen(extra) + 1; return 0; } static int wl_iw_set_rate( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { wl_rateset_t rateset; int error, rate, i, error_bg, error_a; WL_TRACE(("%s: SIOCSIWRATE\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_CURR_RATESET, &rateset, sizeof(rateset)))) return error; rateset.count = dtoh32(rateset.count); if (vwrq->value < 0) { rate = rateset.rates[rateset.count - 1] & 0x7f; } else if (vwrq->value < rateset.count) { rate = rateset.rates[vwrq->value] & 0x7f; } else { rate = vwrq->value / 500000; } if (vwrq->fixed) { error_bg = dev_wlc_intvar_set(dev, "bg_rate", rate); error_a = dev_wlc_intvar_set(dev, "a_rate", rate); if (error_bg && error_a) return (error_bg | error_a); } else { error_bg = dev_wlc_intvar_set(dev, "bg_rate", 0); error_a = dev_wlc_intvar_set(dev, "a_rate", 0); if (error_bg && error_a) return (error_bg | error_a); for (i = 0; i < rateset.count; i++) if ((rateset.rates[i] & 0x7f) > rate) break; rateset.count = htod32(i); if ((error = dev_wlc_ioctl(dev, WLC_SET_RATESET, &rateset, sizeof(rateset)))) return error; } return 0; } static int wl_iw_get_rate( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, rate; WL_TRACE(("%s: SIOCGIWRATE\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_RATE, &rate, sizeof(rate)))) return error; rate = dtoh32(rate); vwrq->value = (rate & 0x7f) * 500000; return 0; } static int wl_iw_set_rts( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, rts; WL_TRACE(("%s: SIOCSIWRTS\n", dev->name)); if (vwrq->disabled) rts = DOT11_DEFAULT_RTS_LEN; else if (vwrq->value < 0 || vwrq->value > DOT11_DEFAULT_RTS_LEN) return -EINVAL; else rts = vwrq->value; if ((error = dev_wlc_intvar_set(dev, "rtsthresh", rts))) return error; return 0; } static int wl_iw_get_rts( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, rts; WL_TRACE(("%s: SIOCGIWRTS\n", dev->name)); if ((error = dev_wlc_intvar_get(dev, "rtsthresh", &rts))) return error; vwrq->value = rts; vwrq->disabled = (rts >= DOT11_DEFAULT_RTS_LEN); vwrq->fixed = 1; return 0; } static int wl_iw_set_frag( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, frag; WL_TRACE(("%s: SIOCSIWFRAG\n", dev->name)); if (vwrq->disabled) frag = DOT11_DEFAULT_FRAG_LEN; else if (vwrq->value < 0 || vwrq->value > DOT11_DEFAULT_FRAG_LEN) return -EINVAL; else frag = vwrq->value; if ((error = dev_wlc_intvar_set(dev, "fragthresh", frag))) return error; return 0; } static int wl_iw_get_frag( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, fragthreshold; WL_TRACE(("%s: SIOCGIWFRAG\n", dev->name)); if ((error = dev_wlc_intvar_get(dev, "fragthresh", &fragthreshold))) return error; vwrq->value = fragthreshold; vwrq->disabled = (fragthreshold >= DOT11_DEFAULT_FRAG_LEN); vwrq->fixed = 1; return 0; } static int wl_iw_set_txpow( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, disable; uint16 txpwrmw; WL_TRACE(("%s: SIOCSIWTXPOW\n", dev->name)); disable = vwrq->disabled ? WL_RADIO_SW_DISABLE : 0; disable += WL_RADIO_SW_DISABLE << 16; disable = htod32(disable); if ((error = dev_wlc_ioctl(dev, WLC_SET_RADIO, &disable, sizeof(disable)))) return error; if (disable & WL_RADIO_SW_DISABLE) return 0; if (!(vwrq->flags & IW_TXPOW_MWATT)) return -EINVAL; if (vwrq->value < 0) return 0; if (vwrq->value > 0xffff) txpwrmw = 0xffff; else txpwrmw = (uint16)vwrq->value; error = dev_wlc_intvar_set(dev, "qtxpower", (int)(bcm_mw_to_qdbm(txpwrmw))); return error; } static int wl_iw_get_txpow( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, disable, txpwrdbm; uint8 result; WL_TRACE(("%s: SIOCGIWTXPOW\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_RADIO, &disable, sizeof(disable))) || (error = dev_wlc_intvar_get(dev, "qtxpower", &txpwrdbm))) return error; disable = dtoh32(disable); result = (uint8)(txpwrdbm & ~WL_TXPWR_OVERRIDE); vwrq->value = (int32)bcm_qdbm_to_mw(result); vwrq->fixed = 0; vwrq->disabled = (disable & (WL_RADIO_SW_DISABLE | WL_RADIO_HW_DISABLE)) ? 1 : 0; vwrq->flags = IW_TXPOW_MWATT; return 0; } #if WIRELESS_EXT > 10 static int wl_iw_set_retry( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, lrl, srl; WL_TRACE(("%s: SIOCSIWRETRY\n", dev->name)); if (vwrq->disabled || (vwrq->flags & IW_RETRY_LIFETIME)) return -EINVAL; if (vwrq->flags & IW_RETRY_LIMIT) { if ((vwrq->flags & IW_RETRY_MAX) || !(vwrq->flags & IW_RETRY_MIN)) { lrl = htod32(vwrq->value); if ((error = dev_wlc_ioctl(dev, WLC_SET_LRL, &lrl, sizeof(lrl)))) return error; } if ((vwrq->flags & IW_RETRY_MIN) || !(vwrq->flags & IW_RETRY_MAX)) { srl = htod32(vwrq->value); if ((error = dev_wlc_ioctl(dev, WLC_SET_SRL, &srl, sizeof(srl)))) return error; } } return 0; } static int wl_iw_get_retry( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, lrl, srl; WL_TRACE(("%s: SIOCGIWRETRY\n", dev->name)); vwrq->disabled = 0; if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) return -EINVAL; if ((error = dev_wlc_ioctl(dev, WLC_GET_LRL, &lrl, sizeof(lrl))) || (error = dev_wlc_ioctl(dev, WLC_GET_SRL, &srl, sizeof(srl)))) return error; lrl = dtoh32(lrl); srl = dtoh32(srl); if (vwrq->flags & IW_RETRY_MAX) { vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX; vwrq->value = lrl; } else { vwrq->flags = IW_RETRY_LIMIT; vwrq->value = srl; if (srl != lrl) vwrq->flags |= IW_RETRY_MIN; } return 0; } #endif static int wl_iw_set_encode( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_wsec_key_t key; int error, val, wsec; WL_TRACE(("%s: SIOCSIWENCODE\n", dev->name)); memset(&key, 0, sizeof(key)); if ((dwrq->flags & IW_ENCODE_INDEX) == 0) { for (key.index = 0; key.index < DOT11_MAX_DEFAULT_KEYS; key.index++) { val = htod32(key.index); if ((error = dev_wlc_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)))) return error; val = dtoh32(val); if (val) break; } if (key.index == DOT11_MAX_DEFAULT_KEYS) key.index = 0; } else { key.index = (dwrq->flags & IW_ENCODE_INDEX) - 1; if (key.index >= DOT11_MAX_DEFAULT_KEYS) return -EINVAL; } wsec = (dwrq->flags & IW_ENCODE_DISABLED) ? 0 : WEP_ENABLED; if ((error = dev_wlc_intvar_set(dev, "wsec", wsec))) return error; if (!extra || !dwrq->length || (dwrq->flags & IW_ENCODE_NOKEY)) { val = htod32(key.index); if ((error = dev_wlc_ioctl(dev, WLC_SET_KEY_PRIMARY, &val, sizeof(val)))) return error; } else { key.len = dwrq->length; if (dwrq->length > sizeof(key.data)) return -EINVAL; memcpy(key.data, extra, dwrq->length); key.flags = WL_PRIMARY_KEY; switch (key.len) { case WEP1_KEY_SIZE: key.algo = CRYPTO_ALGO_WEP1; break; case WEP128_KEY_SIZE: key.algo = CRYPTO_ALGO_WEP128; break; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14) case TKIP_KEY_SIZE: key.algo = CRYPTO_ALGO_TKIP; break; #endif case AES_KEY_SIZE: key.algo = CRYPTO_ALGO_AES_CCM; break; default: return -EINVAL; } swap_key_from_BE(&key); if ((error = dev_wlc_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)))) return error; } val = (dwrq->flags & IW_ENCODE_RESTRICTED) ? 1 : 0; val = htod32(val); if ((error = dev_wlc_ioctl(dev, WLC_SET_AUTH, &val, sizeof(val)))) return error; return 0; } static int wl_iw_get_encode( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_wsec_key_t key; int error, val, wsec, auth; WL_TRACE(("%s: SIOCGIWENCODE\n", dev->name)); bzero(&key, sizeof(wl_wsec_key_t)); if ((dwrq->flags & IW_ENCODE_INDEX) == 0) { for (key.index = 0; key.index < DOT11_MAX_DEFAULT_KEYS; key.index++) { val = key.index; if ((error = dev_wlc_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)))) return error; val = dtoh32(val); if (val) break; } } else key.index = (dwrq->flags & IW_ENCODE_INDEX) - 1; if (key.index >= DOT11_MAX_DEFAULT_KEYS) key.index = 0; if ((error = dev_wlc_ioctl(dev, WLC_GET_WSEC, &wsec, sizeof(wsec))) || (error = dev_wlc_ioctl(dev, WLC_GET_AUTH, &auth, sizeof(auth)))) return error; swap_key_to_BE(&key); wsec = dtoh32(wsec); auth = dtoh32(auth); dwrq->length = MIN(IW_ENCODING_TOKEN_MAX, key.len); dwrq->flags = key.index + 1; if (!(wsec & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))) { dwrq->flags |= IW_ENCODE_DISABLED; } if (auth) { dwrq->flags |= IW_ENCODE_RESTRICTED; } if (dwrq->length && extra) memcpy(extra, key.data, dwrq->length); return 0; } static int wl_iw_set_power( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, pm; WL_TRACE(("%s: SIOCSIWPOWER\n", dev->name)); pm = vwrq->disabled ? PM_OFF : PM_MAX; pm = htod32(pm); if ((error = dev_wlc_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm)))) return error; return 0; } static int wl_iw_get_power( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error, pm; WL_TRACE(("%s: SIOCGIWPOWER\n", dev->name)); if ((error = dev_wlc_ioctl(dev, WLC_GET_PM, &pm, sizeof(pm)))) return error; pm = dtoh32(pm); vwrq->disabled = pm ? 0 : 1; vwrq->flags = IW_POWER_ALL_R; return 0; } #if WIRELESS_EXT > 17 static int wl_iw_set_wpaie( struct net_device *dev, struct iw_request_info *info, struct iw_point *iwp, char *extra ) { WL_TRACE(("%s: SIOCSIWGENIE\n", dev->name)); dev_wlc_bufvar_set(dev, "wpaie", extra, iwp->length); return 0; } static int wl_iw_get_wpaie( struct net_device *dev, struct iw_request_info *info, struct iw_point *iwp, char *extra ) { WL_TRACE(("%s: SIOCGIWGENIE\n", dev->name)); iwp->length = 64; dev_wlc_bufvar_get(dev, "wpaie", extra, iwp->length); return 0; } static int wl_iw_set_encodeext( struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra ) { wl_wsec_key_t key; int error; struct iw_encode_ext *iwe; WL_TRACE(("%s: SIOCSIWENCODEEXT\n", dev->name)); memset(&key, 0, sizeof(key)); iwe = (struct iw_encode_ext *)extra; if (dwrq->flags & IW_ENCODE_DISABLED) { } key.index = 0; if (dwrq->flags & IW_ENCODE_INDEX) key.index = (dwrq->flags & IW_ENCODE_INDEX) - 1; key.len = iwe->key_len; if (!ETHER_ISMULTI(iwe->addr.sa_data)) bcopy((void *)&iwe->addr.sa_data, (char *)&key.ea, ETHER_ADDR_LEN); if (key.len == 0) { if (iwe->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { WL_WSEC(("Changing the the primary Key to %d\n", key.index)); key.index = htod32(key.index); error = dev_wlc_ioctl(dev, WLC_SET_KEY_PRIMARY, &key.index, sizeof(key.index)); if (error) return error; } else { swap_key_from_BE(&key); dev_wlc_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)); } } else { if (iwe->key_len > sizeof(key.data)) return -EINVAL; WL_WSEC(("Setting the key index %d\n", key.index)); if (iwe->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { WL_WSEC(("key is a Primary Key\n")); key.flags = WL_PRIMARY_KEY; } bcopy((void *)iwe->key, key.data, iwe->key_len); if (iwe->alg == IW_ENCODE_ALG_TKIP) { uint8 keybuf[8]; bcopy(&key.data[24], keybuf, sizeof(keybuf)); bcopy(&key.data[16], &key.data[24], sizeof(keybuf)); bcopy(keybuf, &key.data[16], sizeof(keybuf)); } if (iwe->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { uchar *ivptr; ivptr = (uchar *)iwe->rx_seq; key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | (ivptr[3] << 8) | ivptr[2]; key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; key.iv_initialized = TRUE; } switch (iwe->alg) { case IW_ENCODE_ALG_NONE: key.algo = CRYPTO_ALGO_OFF; break; case IW_ENCODE_ALG_WEP: if (iwe->key_len == WEP1_KEY_SIZE) key.algo = CRYPTO_ALGO_WEP1; else key.algo = CRYPTO_ALGO_WEP128; break; case IW_ENCODE_ALG_TKIP: key.algo = CRYPTO_ALGO_TKIP; break; case IW_ENCODE_ALG_CCMP: key.algo = CRYPTO_ALGO_AES_CCM; break; default: break; } swap_key_from_BE(&key); error = dev_wlc_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)); if (error) return error; } return 0; } static int wl_iw_get_encodeext( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { WL_TRACE(("%s: SIOCGIWENCODEEXT\n", dev->name)); return 0; } static int wl_iw_set_wpaauth( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error = 0; int paramid; int paramval; int val = 0; wl_iw_t *iw = IW_DEV_IF(dev); WL_TRACE(("%s: SIOCSIWAUTH\n", dev->name)); paramid = vwrq->flags & IW_AUTH_INDEX; paramval = vwrq->value; switch (paramid) { case IW_AUTH_WPA_VERSION: if ((error = dev_wlc_intvar_get(dev, "wsec", &val))) return error; if (val & (TKIP_ENABLED | AES_ENABLED)) { val &= ~(TKIP_ENABLED | AES_ENABLED); dev_wlc_intvar_set(dev, "wsec", val); } if (paramval & IW_AUTH_WPA_VERSION_DISABLED) val = WPA_AUTH_DISABLED; else if (paramval & (IW_AUTH_WPA_VERSION_WPA)) val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; else if (paramval & IW_AUTH_WPA_VERSION_WPA2) val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; WL_ERROR(("%s: %d: setting wpa_auth to %d\n", __FUNCTION__, __LINE__, val)); if ((error = dev_wlc_intvar_set(dev, "wpa_auth", val))) return error; break; case IW_AUTH_CIPHER_PAIRWISE: case IW_AUTH_CIPHER_GROUP: if ((error = dev_wlc_intvar_get(dev, "wsec", &val))) return error; if (paramval & (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104)) val |= WEP_ENABLED; if (paramval & IW_AUTH_CIPHER_TKIP) val |= TKIP_ENABLED; if (paramval & IW_AUTH_CIPHER_CCMP) val |= AES_ENABLED; if (paramid == IW_AUTH_CIPHER_PAIRWISE) val |= iw->pwsec; else val |= iw->gwsec; if ((error = dev_wlc_intvar_set(dev, "wsec", val))) return error; break; case IW_AUTH_KEY_MGMT: if ((error = dev_wlc_intvar_get(dev, "wpa_auth", &val))) return error; if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { if (paramval & IW_AUTH_KEY_MGMT_PSK) val = WPA_AUTH_PSK; else val = WPA_AUTH_UNSPECIFIED; } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { if (paramval & IW_AUTH_KEY_MGMT_PSK) val = WPA2_AUTH_PSK; else val = WPA2_AUTH_UNSPECIFIED; } WL_ERROR(("%s: %d: setting wpa_auth to %d\n", __FUNCTION__, __LINE__, val)); if ((error = dev_wlc_intvar_set(dev, "wpa_auth", val))) return error; break; case IW_AUTH_TKIP_COUNTERMEASURES: dev_wlc_bufvar_set(dev, "tkip_countermeasures", (char *)¶mval, 1); break; case IW_AUTH_80211_AUTH_ALG: WL_ERROR(("Setting the D11auth %d\n", paramval)); if (paramval & IW_AUTH_ALG_OPEN_SYSTEM) val = 0; else if (paramval & IW_AUTH_ALG_SHARED_KEY) val = 1; else error = 1; if (!error && (error = dev_wlc_intvar_set(dev, "auth", val))) return error; break; case IW_AUTH_WPA_ENABLED: if (paramval == 0) { if ((error = dev_wlc_intvar_get(dev, "wsec", &val))) return error; if (val & (TKIP_ENABLED | AES_ENABLED)) { val &= ~(TKIP_ENABLED | AES_ENABLED); dev_wlc_intvar_set(dev, "wsec", val); } val = 0; WL_ERROR(("%s: %d: setting wpa_auth to %d\n", __FUNCTION__, __LINE__, val)); dev_wlc_intvar_set(dev, "wpa_auth", val); return error; } break; case IW_AUTH_DROP_UNENCRYPTED: dev_wlc_bufvar_set(dev, "wsec_restrict", (char *)¶mval, 1); break; case IW_AUTH_RX_UNENCRYPTED_EAPOL: dev_wlc_bufvar_set(dev, "rx_unencrypted_eapol", (char *)¶mval, 1); break; #if WIRELESS_EXT > 17 case IW_AUTH_ROAMING_CONTROL: WL_ERROR(("%s: IW_AUTH_ROAMING_CONTROL\n", __FUNCTION__)); break; case IW_AUTH_PRIVACY_INVOKED: WL_ERROR(("%s: IW_AUTH_PRIVACY_INVOKED\n", __FUNCTION__)); break; #endif default: break; } return 0; } #define VAL_PSK(_val) (((_val) & WPA_AUTH_PSK) || ((_val) & WPA2_AUTH_PSK)) static int wl_iw_get_wpaauth( struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra ) { int error; int paramid; int paramval = 0; int val; wl_iw_t *iw = IW_DEV_IF(dev); WL_TRACE(("%s: SIOCGIWAUTH\n", dev->name)); paramid = vwrq->flags & IW_AUTH_INDEX; switch (paramid) { case IW_AUTH_WPA_VERSION: if ((error = dev_wlc_intvar_get(dev, "wpa_auth", &val))) return error; if (val & (WPA_AUTH_NONE | WPA_AUTH_DISABLED)) paramval = IW_AUTH_WPA_VERSION_DISABLED; else if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) paramval = IW_AUTH_WPA_VERSION_WPA; else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) paramval = IW_AUTH_WPA_VERSION_WPA2; break; case IW_AUTH_CIPHER_PAIRWISE: case IW_AUTH_CIPHER_GROUP: if (paramid == IW_AUTH_CIPHER_PAIRWISE) val = iw->pwsec; else val = iw->gwsec; paramval = 0; if (val) { if (val & WEP_ENABLED) paramval |= (IW_AUTH_CIPHER_WEP40 | IW_AUTH_CIPHER_WEP104); if (val & TKIP_ENABLED) paramval |= (IW_AUTH_CIPHER_TKIP); if (val & AES_ENABLED) paramval |= (IW_AUTH_CIPHER_CCMP); } else paramval = IW_AUTH_CIPHER_NONE; break; case IW_AUTH_KEY_MGMT: if ((error = dev_wlc_intvar_get(dev, "wpa_auth", &val))) return error; if (VAL_PSK(val)) paramval = IW_AUTH_KEY_MGMT_PSK; else paramval = IW_AUTH_KEY_MGMT_802_1X; break; case IW_AUTH_TKIP_COUNTERMEASURES: dev_wlc_bufvar_get(dev, "tkip_countermeasures", (char *)¶mval, 1); break; case IW_AUTH_DROP_UNENCRYPTED: dev_wlc_bufvar_get(dev, "wsec_restrict", (char *)¶mval, 1); break; case IW_AUTH_RX_UNENCRYPTED_EAPOL: dev_wlc_bufvar_get(dev, "rx_unencrypted_eapol", (char *)¶mval, 1); break; case IW_AUTH_80211_AUTH_ALG: if ((error = dev_wlc_intvar_get(dev, "auth", &val))) return error; if (!val) paramval = IW_AUTH_ALG_OPEN_SYSTEM; else paramval = IW_AUTH_ALG_SHARED_KEY; break; case IW_AUTH_WPA_ENABLED: if ((error = dev_wlc_intvar_get(dev, "wpa_auth", &val))) return error; if (val) paramval = TRUE; else paramval = FALSE; break; #if WIRELESS_EXT > 17 case IW_AUTH_ROAMING_CONTROL: WL_ERROR(("%s: IW_AUTH_ROAMING_CONTROL\n", __FUNCTION__)); break; case IW_AUTH_PRIVACY_INVOKED: WL_ERROR(("%s: IW_AUTH_PRIVACY_INVOKED\n", __FUNCTION__)); break; #endif } vwrq->value = paramval; return 0; } #endif static const iw_handler wl_iw_handler[] = { (iw_handler) wl_iw_config_commit, (iw_handler) wl_iw_get_name, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) wl_iw_set_freq, (iw_handler) wl_iw_get_freq, (iw_handler) wl_iw_set_mode, (iw_handler) wl_iw_get_mode, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) wl_iw_get_range, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) wl_iw_set_spy, (iw_handler) wl_iw_get_spy, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) wl_iw_set_wap, (iw_handler) wl_iw_get_wap, #if WIRELESS_EXT > 17 (iw_handler) wl_iw_mlme, #else (iw_handler) NULL, #endif (iw_handler) wl_iw_get_aplist, #if WIRELESS_EXT > 13 (iw_handler) wl_iw_set_scan, (iw_handler) wl_iw_get_scan, #else (iw_handler) NULL, (iw_handler) NULL, #endif (iw_handler) wl_iw_set_essid, (iw_handler) wl_iw_get_essid, (iw_handler) wl_iw_set_nick, (iw_handler) wl_iw_get_nick, (iw_handler) NULL, (iw_handler) NULL, (iw_handler) wl_iw_set_rate, (iw_handler) wl_iw_get_rate, (iw_handler) wl_iw_set_rts, (iw_handler) wl_iw_get_rts, (iw_handler) wl_iw_set_frag, (iw_handler) wl_iw_get_frag, (iw_handler) wl_iw_set_txpow, (iw_handler) wl_iw_get_txpow, #if WIRELESS_EXT > 10 (iw_handler) wl_iw_set_retry, (iw_handler) wl_iw_get_retry, #endif (iw_handler) wl_iw_set_encode, (iw_handler) wl_iw_get_encode, (iw_handler) wl_iw_set_power, (iw_handler) wl_iw_get_power, #if WIRELESS_EXT > 17 (iw_handler) NULL, (iw_handler) NULL, (iw_handler) wl_iw_set_wpaie, (iw_handler) wl_iw_get_wpaie, (iw_handler) wl_iw_set_wpaauth, (iw_handler) wl_iw_get_wpaauth, (iw_handler) wl_iw_set_encodeext, (iw_handler) wl_iw_get_encodeext, (iw_handler) NULL, #endif }; #if WIRELESS_EXT > 12 enum { WL_IW_SET_LEDDC = SIOCIWFIRSTPRIV, WL_IW_SET_VLANMODE, WL_IW_SET_PM }; static iw_handler wl_iw_priv_handler[] = { wl_iw_set_leddc, wl_iw_set_vlanmode, wl_iw_set_pm }; static struct iw_priv_args wl_iw_priv_args[] = { { WL_IW_SET_LEDDC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_leddc" }, { WL_IW_SET_VLANMODE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_vlanmode" }, { WL_IW_SET_PM, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_pm" } }; const struct iw_handler_def wl_iw_handler_def = { .num_standard = ARRAYSIZE(wl_iw_handler), .num_private = ARRAY_SIZE(wl_iw_priv_handler), .num_private_args = ARRAY_SIZE(wl_iw_priv_args), .standard = (iw_handler *) wl_iw_handler, .private = wl_iw_priv_handler, .private_args = wl_iw_priv_args, #if WIRELESS_EXT >= 19 get_wireless_stats: wl_get_wireless_stats, #endif }; #endif int wl_iw_ioctl( struct net_device *dev, struct ifreq *rq, int cmd ) { struct iwreq *wrq = (struct iwreq *) rq; struct iw_request_info info; iw_handler handler; char *extra = NULL; int token_size = 1, max_tokens = 0, ret = 0; if (cmd < SIOCIWFIRST || IW_IOCTL_IDX(cmd) >= ARRAYSIZE(wl_iw_handler) || !(handler = wl_iw_handler[IW_IOCTL_IDX(cmd)])) return -EOPNOTSUPP; switch (cmd) { case SIOCSIWESSID: case SIOCGIWESSID: case SIOCSIWNICKN: case SIOCGIWNICKN: max_tokens = IW_ESSID_MAX_SIZE + 1; break; case SIOCSIWENCODE: case SIOCGIWENCODE: #if WIRELESS_EXT > 17 case SIOCSIWENCODEEXT: case SIOCGIWENCODEEXT: #endif max_tokens = IW_ENCODING_TOKEN_MAX; break; case SIOCGIWRANGE: max_tokens = sizeof(struct iw_range); break; case SIOCGIWAPLIST: token_size = sizeof(struct sockaddr) + sizeof(struct iw_quality); max_tokens = IW_MAX_AP; break; #if WIRELESS_EXT > 13 case SIOCGIWSCAN: max_tokens = IW_SCAN_MAX_DATA; break; #endif case SIOCSIWSPY: token_size = sizeof(struct sockaddr); max_tokens = IW_MAX_SPY; break; case SIOCGIWSPY: token_size = sizeof(struct sockaddr) + sizeof(struct iw_quality); max_tokens = IW_MAX_SPY; break; } if (max_tokens && wrq->u.data.pointer) { if (wrq->u.data.length > max_tokens) return -E2BIG; if (!(extra = kmalloc(max_tokens * token_size, GFP_KERNEL))) return -ENOMEM; if (copy_from_user(extra, wrq->u.data.pointer, wrq->u.data.length * token_size)) { kfree(extra); return -EFAULT; } } info.cmd = cmd; info.flags = 0; ret = handler(dev, &info, &wrq->u, extra); if (extra) { if (copy_to_user(wrq->u.data.pointer, extra, wrq->u.data.length * token_size)) { kfree(extra); return -EFAULT; } kfree(extra); } return ret; } bool wl_iw_conn_status_str(uint32 event_type, uint32 status, uint32 reason, char* stringBuf, uint buflen) { typedef struct conn_fail_event_map_t { uint32 inEvent; uint32 inStatus; uint32 inReason; const char* outName; const char* outCause; } conn_fail_event_map_t; # define WL_IW_DONT_CARE 9999 const conn_fail_event_map_t event_map [] = { {WLC_E_SET_SSID, WLC_E_STATUS_SUCCESS, WL_IW_DONT_CARE, "Conn", "Success"}, {WLC_E_SET_SSID, WLC_E_STATUS_NO_NETWORKS, WL_IW_DONT_CARE, "Conn", "NoNetworks"}, {WLC_E_SET_SSID, WLC_E_STATUS_FAIL, WL_IW_DONT_CARE, "Conn", "ConfigMismatch"}, {WLC_E_PRUNE, WL_IW_DONT_CARE, WLC_E_PRUNE_ENCR_MISMATCH, "Conn", "EncrypMismatch"}, {WLC_E_PRUNE, WL_IW_DONT_CARE, WLC_E_RSN_MISMATCH, "Conn", "RsnMismatch"}, {WLC_E_AUTH, WLC_E_STATUS_TIMEOUT, WL_IW_DONT_CARE, "Conn", "AuthTimeout"}, {WLC_E_AUTH, WLC_E_STATUS_FAIL, WL_IW_DONT_CARE, "Conn", "AuthFail"}, {WLC_E_AUTH, WLC_E_STATUS_NO_ACK, WL_IW_DONT_CARE, "Conn", "AuthNoAck"}, {WLC_E_REASSOC, WLC_E_STATUS_FAIL, WL_IW_DONT_CARE, "Conn", "ReassocFail"}, {WLC_E_REASSOC, WLC_E_STATUS_TIMEOUT, WL_IW_DONT_CARE, "Conn", "ReassocTimeout"}, {WLC_E_REASSOC, WLC_E_STATUS_ABORT, WL_IW_DONT_CARE, "Conn", "ReassocAbort"}, {WLC_E_DEAUTH_IND, WL_IW_DONT_CARE, WL_IW_DONT_CARE, "Conn", "Deauth"}, {WLC_E_DISASSOC_IND, WL_IW_DONT_CARE, WL_IW_DONT_CARE, "Conn", "DisassocInd"}, {WLC_E_DISASSOC, WL_IW_DONT_CARE, WL_IW_DONT_CARE, "Conn", "Disassoc"} }; const char* name = ""; const char* cause = NULL; int i; for (i = 0; i < sizeof(event_map)/sizeof(event_map[0]); i++) { const conn_fail_event_map_t* row = &event_map[i]; if (row->inEvent == event_type && (row->inStatus == status || row->inStatus == WL_IW_DONT_CARE) && (row->inReason == reason || row->inReason == WL_IW_DONT_CARE)) { name = row->outName; cause = row->outCause; break; } } if (cause) { memset(stringBuf, 0, buflen); snprintf(stringBuf, buflen, "%s %s %02d %02d", name, cause, status, reason); WL_TRACE(("Connection status: %s\n", stringBuf)); return TRUE; } else { return FALSE; } } #if (WIRELESS_EXT > 14) static bool wl_iw_check_conn_fail(wl_event_msg_t *e, char* stringBuf, uint buflen) { uint32 event = e->event_type; uint32 status = e->status; uint32 reason = e->reason; if (wl_iw_conn_status_str(event, status, reason, stringBuf, buflen)) { return TRUE; } else { return FALSE; } } #endif #ifndef IW_CUSTOM_MAX #define IW_CUSTOM_MAX 256 #endif void wl_iw_event(struct net_device *dev, wl_event_msg_t *e, void* data) { #if WIRELESS_EXT > 13 union iwreq_data wrqu; char extra[IW_CUSTOM_MAX + 1]; int cmd = 0; uint32 event_type = e->event_type; uint16 flags = e->flags; uint32 datalen = e->datalen; uint32 status = e->status; memset(&wrqu, 0, sizeof(wrqu)); memset(extra, 0, sizeof(extra)); memcpy(wrqu.addr.sa_data, &e->addr, ETHER_ADDR_LEN); wrqu.addr.sa_family = ARPHRD_ETHER; switch (event_type) { case WLC_E_TXFAIL: cmd = IWEVTXDROP; break; #if WIRELESS_EXT > 14 case WLC_E_JOIN: case WLC_E_ASSOC_IND: case WLC_E_REASSOC_IND: cmd = IWEVREGISTERED; break; case WLC_E_DEAUTH_IND: case WLC_E_DISASSOC_IND: cmd = SIOCGIWAP; wrqu.data.length = strlen(extra); bzero(wrqu.addr.sa_data, ETHER_ADDR_LEN); bzero(&extra, ETHER_ADDR_LEN); break; case WLC_E_LINK: case WLC_E_NDIS_LINK: cmd = SIOCGIWAP; wrqu.data.length = strlen(extra); if (!(flags & WLC_EVENT_MSG_LINK)) { bzero(wrqu.addr.sa_data, ETHER_ADDR_LEN); bzero(&extra, ETHER_ADDR_LEN); } break; case WLC_E_ACTION_FRAME: cmd = IWEVCUSTOM; if (datalen + 1 <= sizeof(extra)) { wrqu.data.length = datalen + 1; extra[0] = WLC_E_ACTION_FRAME; memcpy(&extra[1], data, datalen); WL_TRACE(("WLC_E_ACTION_FRAME len %d \n", wrqu.data.length)); } break; case WLC_E_ACTION_FRAME_COMPLETE: cmd = IWEVCUSTOM; if (sizeof(status) + 1 <= sizeof(extra)) { wrqu.data.length = sizeof(status) + 1; extra[0] = WLC_E_ACTION_FRAME_COMPLETE; memcpy(&extra[1], &status, sizeof(status)); WL_TRACE(("wl_iw_event status %d \n", status)); } break; #endif #if WIRELESS_EXT > 17 case WLC_E_MIC_ERROR: { struct iw_michaelmicfailure *micerrevt = (struct iw_michaelmicfailure *)&extra; cmd = IWEVMICHAELMICFAILURE; wrqu.data.length = sizeof(struct iw_michaelmicfailure); if (flags & WLC_EVENT_MSG_GROUP) micerrevt->flags |= IW_MICFAILURE_GROUP; else micerrevt->flags |= IW_MICFAILURE_PAIRWISE; memcpy(micerrevt->src_addr.sa_data, &e->addr, ETHER_ADDR_LEN); micerrevt->src_addr.sa_family = ARPHRD_ETHER; break; } case WLC_E_PMKID_CACHE: { if (data) { struct iw_pmkid_cand *iwpmkidcand = (struct iw_pmkid_cand *)&extra; pmkid_cand_list_t *pmkcandlist; pmkid_cand_t *pmkidcand; int count; cmd = IWEVPMKIDCAND; pmkcandlist = data; count = ntoh32(pmkcandlist->npmkid_cand); wrqu.data.length = sizeof(struct iw_pmkid_cand); pmkidcand = pmkcandlist->pmkid_cand; while (count) { bzero(iwpmkidcand, sizeof(struct iw_pmkid_cand)); if (pmkidcand->preauth) iwpmkidcand->flags |= IW_PMKID_CAND_PREAUTH; bcopy(&pmkidcand->BSSID, &iwpmkidcand->bssid.sa_data, ETHER_ADDR_LEN); wireless_send_event(dev, cmd, &wrqu, extra); pmkidcand++; count--; } } return; } #endif default: break; } if (cmd) wireless_send_event(dev, cmd, &wrqu, extra); #if WIRELESS_EXT > 14 memset(extra, 0, sizeof(extra)); if (wl_iw_check_conn_fail(e, extra, sizeof(extra))) { cmd = IWEVCUSTOM; wrqu.data.length = strlen(extra); wireless_send_event(dev, cmd, &wrqu, extra); } #endif #endif } int wl_iw_get_wireless_stats(struct net_device *dev, struct iw_statistics *wstats) { int res = 0; wl_cnt_t cnt; int phy_noise; int rssi; scb_val_t scb_val; phy_noise = 0; if ((res = dev_wlc_ioctl(dev, WLC_GET_PHY_NOISE, &phy_noise, sizeof(phy_noise)))) goto done; phy_noise = dtoh32(phy_noise); WL_TRACE(("wl_iw_get_wireless_stats phy noise=%d\n *****", phy_noise)); scb_val.val = 0; if ((res = dev_wlc_ioctl(dev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t)))) goto done; rssi = dtoh32(scb_val.val); WL_TRACE(("wl_iw_get_wireless_stats rssi=%d ****** \n", rssi)); if (rssi <= WL_IW_RSSI_NO_SIGNAL) wstats->qual.qual = 0; else if (rssi <= WL_IW_RSSI_VERY_LOW) wstats->qual.qual = 1; else if (rssi <= WL_IW_RSSI_LOW) wstats->qual.qual = 2; else if (rssi <= WL_IW_RSSI_GOOD) wstats->qual.qual = 3; else if (rssi <= WL_IW_RSSI_VERY_GOOD) wstats->qual.qual = 4; else wstats->qual.qual = 5; wstats->qual.level = 0x100 + rssi; wstats->qual.noise = 0x100 + phy_noise; #if WIRELESS_EXT > 18 wstats->qual.updated |= (IW_QUAL_ALL_UPDATED | IW_QUAL_DBM); #else wstats->qual.updated |= 7; #endif #if WIRELESS_EXT > 11 WL_TRACE(("wl_iw_get_wireless_stats counters=%d\n *****", (int)sizeof(wl_cnt_t))); memset(&cnt, 0, sizeof(wl_cnt_t)); res = dev_wlc_bufvar_get(dev, "counters", (char *)&cnt, sizeof(wl_cnt_t)); if (res) { WL_ERROR(("wl_iw_get_wireless_stats counters failed error=%d ****** \n", res)); goto done; } cnt.version = dtoh16(cnt.version); if (cnt.version != WL_CNT_T_VERSION) { WL_TRACE(("\tIncorrect version of counters struct: expected %d; got %d\n", WL_CNT_T_VERSION, cnt.version)); goto done; } wstats->discard.nwid = 0; wstats->discard.code = dtoh32(cnt.rxundec); wstats->discard.fragment = dtoh32(cnt.rxfragerr); wstats->discard.retries = dtoh32(cnt.txfail); wstats->discard.misc = dtoh32(cnt.rxrunt) + dtoh32(cnt.rxgiant); wstats->miss.beacon = 0; WL_TRACE(("wl_iw_get_wireless_stats counters txframe=%d txbyte=%d\n", dtoh32(cnt.txframe), dtoh32(cnt.txbyte))); WL_TRACE(("wl_iw_get_wireless_stats counters rxfrmtoolong=%d\n", dtoh32(cnt.rxfrmtoolong))); WL_TRACE(("wl_iw_get_wireless_stats counters rxbadplcp=%d\n", dtoh32(cnt.rxbadplcp))); WL_TRACE(("wl_iw_get_wireless_stats counters rxundec=%d\n", dtoh32(cnt.rxundec))); WL_TRACE(("wl_iw_get_wireless_stats counters rxfragerr=%d\n", dtoh32(cnt.rxfragerr))); WL_TRACE(("wl_iw_get_wireless_stats counters txfail=%d\n", dtoh32(cnt.txfail))); WL_TRACE(("wl_iw_get_wireless_stats counters rxrunt=%d\n", dtoh32(cnt.rxrunt))); WL_TRACE(("wl_iw_get_wireless_stats counters rxgiant=%d\n", dtoh32(cnt.rxgiant))); #endif done: return res; } int wl_iw_attach(struct net_device *dev) { return 0; } void wl_iw_detach(void) { }