/* * Broadcom Dongle Host Driver (DHD), common DHD core. * * Copyright (C) 1999-2012, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: dhd_common.c 373873 2012-12-10 20:45:58Z $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef WL_CFG80211 #include #endif #ifdef WLBTAMP #include #include #endif #ifdef SET_RANDOM_MAC_SOFTAP #include #include #endif #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 PROP_TXSTATUS #include #include #endif #ifdef WLMEDIA_HTSF extern void htsf_update(struct dhd_info *dhd, void *data); #endif int dhd_msg_level = DHD_ERROR_VAL; #include char fw_path[MOD_PARAM_PATHLEN]; char nv_path[MOD_PARAM_PATHLEN]; // terence 20130703: customer can add some parameters to configure driver char conf_path[MOD_PARAM_PATHLEN]; #ifdef SOFTAP char fw_path2[MOD_PARAM_PATHLEN]; extern bool softap_enabled; #endif /* Last connection success/failure status */ uint32 dhd_conn_event; uint32 dhd_conn_status; uint32 dhd_conn_reason; extern int dhd_iscan_request(void * dhdp, uint16 action); extern void dhd_ind_scan_confirm(void *h, bool status); extern int dhd_iscan_in_progress(void *h); void dhd_iscan_lock(void); void dhd_iscan_unlock(void); extern int dhd_change_mtu(dhd_pub_t *dhd, int new_mtu, int ifidx); #if !defined(AP) && defined(WLP2P) extern int dhd_get_concurrent_capabilites(dhd_pub_t *dhd); #endif bool ap_cfg_running = FALSE; bool ap_fw_loaded = FALSE; #ifdef DHD_DEBUG const char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR "\nCompiled on " __DATE__ " at " __TIME__; #else const char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR; #endif void dhd_set_timer(void *bus, uint wdtick); /* IOVar table */ enum { IOV_VERSION = 1, IOV_WLMSGLEVEL, IOV_MSGLEVEL, IOV_BCMERRORSTR, IOV_BCMERROR, IOV_WDTICK, IOV_DUMP, IOV_CLEARCOUNTS, IOV_LOGDUMP, IOV_LOGCAL, IOV_LOGSTAMP, IOV_GPIOOB, IOV_IOCTLTIMEOUT, #ifdef WLBTAMP IOV_HCI_CMD, /* HCI command */ IOV_HCI_ACL_DATA, /* HCI data packet */ #endif #if defined(DHD_DEBUG) IOV_CONS, IOV_DCONSOLE_POLL, #endif /* defined(DHD_DEBUG) */ #ifdef PROP_TXSTATUS IOV_PROPTXSTATUS_ENABLE, IOV_PROPTXSTATUS_MODE, #endif IOV_BUS_TYPE, #ifdef WLMEDIA_HTSF IOV_WLPKTDLYSTAT_SZ, #endif IOV_CHANGEMTU, IOV_HOSTREORDER_FLOWS, IOV_LAST }; const bcm_iovar_t dhd_iovars[] = { {"version", IOV_VERSION, 0, IOVT_BUFFER, sizeof(dhd_version) }, {"wlmsglevel", IOV_WLMSGLEVEL, 0, IOVT_UINT32, 0 }, #ifdef DHD_DEBUG {"msglevel", IOV_MSGLEVEL, 0, IOVT_UINT32, 0 }, #endif /* DHD_DEBUG */ {"bcmerrorstr", IOV_BCMERRORSTR, 0, IOVT_BUFFER, BCME_STRLEN }, {"bcmerror", IOV_BCMERROR, 0, IOVT_INT8, 0 }, {"wdtick", IOV_WDTICK, 0, IOVT_UINT32, 0 }, {"dump", IOV_DUMP, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN }, #ifdef DHD_DEBUG {"cons", IOV_CONS, 0, IOVT_BUFFER, 0 }, {"dconpoll", IOV_DCONSOLE_POLL, 0, IOVT_UINT32, 0 }, #endif {"clearcounts", IOV_CLEARCOUNTS, 0, IOVT_VOID, 0 }, {"gpioob", IOV_GPIOOB, 0, IOVT_UINT32, 0 }, {"ioctl_timeout", IOV_IOCTLTIMEOUT, 0, IOVT_UINT32, 0 }, #ifdef WLBTAMP {"HCI_cmd", IOV_HCI_CMD, 0, IOVT_BUFFER, 0}, {"HCI_ACL_data", IOV_HCI_ACL_DATA, 0, IOVT_BUFFER, 0}, #endif #ifdef PROP_TXSTATUS {"proptx", IOV_PROPTXSTATUS_ENABLE, 0, IOVT_UINT32, 0 }, /* set the proptxtstatus operation mode: 0 - Do not do any proptxtstatus flow control 1 - Use implied credit from a packet status 2 - Use explicit credit */ {"ptxmode", IOV_PROPTXSTATUS_MODE, 0, IOVT_UINT32, 0 }, #endif {"bustype", IOV_BUS_TYPE, 0, IOVT_UINT32, 0}, #ifdef WLMEDIA_HTSF {"pktdlystatsz", IOV_WLPKTDLYSTAT_SZ, 0, IOVT_UINT8, 0 }, #endif {"changemtu", IOV_CHANGEMTU, 0, IOVT_UINT32, 0 }, {"host_reorder_flows", IOV_HOSTREORDER_FLOWS, 0, IOVT_BUFFER, (WLHOST_REORDERDATA_MAXFLOWS + 1) }, {NULL, 0, 0, 0, 0 } }; void dhd_common_init(osl_t *osh) { #ifdef CONFIG_BCMDHD_FW_PATH bcm_strncpy_s(fw_path, sizeof(fw_path), CONFIG_BCMDHD_FW_PATH, MOD_PARAM_PATHLEN-1); #else /* CONFIG_BCMDHD_FW_PATH */ fw_path[0] = '\0'; #endif /* CONFIG_BCMDHD_FW_PATH */ #ifdef CONFIG_BCMDHD_NVRAM_PATH bcm_strncpy_s(nv_path, sizeof(nv_path), CONFIG_BCMDHD_NVRAM_PATH, MOD_PARAM_PATHLEN-1); #else /* CONFIG_BCMDHD_NVRAM_PATH */ nv_path[0] = '\0'; #endif /* CONFIG_BCMDHD_NVRAM_PATH */ #ifdef CONFIG_BCMDHD_CONFIG_PATH bcm_strncpy_s(conf_path, sizeof(conf_path), CONFIG_BCMDHD_CONFIG_PATH, MOD_PARAM_PATHLEN-1); #else /* CONFIG_BCMDHD_CONFIG_PATH */ conf_path[0] = '\0'; #endif /* CONFIG_BCMDHD_CONFIG_PATH */ #ifdef SOFTAP fw_path2[0] = '\0'; #endif } static int dhd_dump(dhd_pub_t *dhdp, char *buf, int buflen) { char eabuf[ETHER_ADDR_STR_LEN]; struct bcmstrbuf b; struct bcmstrbuf *strbuf = &b; bcm_binit(strbuf, buf, buflen); /* Base DHD info */ bcm_bprintf(strbuf, "%s\n", dhd_version); bcm_bprintf(strbuf, "\n"); bcm_bprintf(strbuf, "pub.up %d pub.txoff %d pub.busstate %d\n", dhdp->up, dhdp->txoff, dhdp->busstate); bcm_bprintf(strbuf, "pub.hdrlen %d pub.maxctl %d pub.rxsz %d\n", dhdp->hdrlen, dhdp->maxctl, dhdp->rxsz); bcm_bprintf(strbuf, "pub.iswl %d pub.drv_version %ld pub.mac %s\n", dhdp->iswl, dhdp->drv_version, bcm_ether_ntoa(&dhdp->mac, eabuf)); bcm_bprintf(strbuf, "pub.bcmerror %d tickcnt %d\n", dhdp->bcmerror, dhdp->tickcnt); bcm_bprintf(strbuf, "dongle stats:\n"); bcm_bprintf(strbuf, "tx_packets %ld tx_bytes %ld tx_errors %ld tx_dropped %ld\n", dhdp->dstats.tx_packets, dhdp->dstats.tx_bytes, dhdp->dstats.tx_errors, dhdp->dstats.tx_dropped); bcm_bprintf(strbuf, "rx_packets %ld rx_bytes %ld rx_errors %ld rx_dropped %ld\n", dhdp->dstats.rx_packets, dhdp->dstats.rx_bytes, dhdp->dstats.rx_errors, dhdp->dstats.rx_dropped); bcm_bprintf(strbuf, "multicast %ld\n", dhdp->dstats.multicast); bcm_bprintf(strbuf, "bus stats:\n"); bcm_bprintf(strbuf, "tx_packets %ld tx_multicast %ld tx_errors %ld\n", dhdp->tx_packets, dhdp->tx_multicast, dhdp->tx_errors); bcm_bprintf(strbuf, "tx_ctlpkts %ld tx_ctlerrs %ld\n", dhdp->tx_ctlpkts, dhdp->tx_ctlerrs); bcm_bprintf(strbuf, "rx_packets %ld rx_multicast %ld rx_errors %ld \n", dhdp->rx_packets, dhdp->rx_multicast, dhdp->rx_errors); bcm_bprintf(strbuf, "rx_ctlpkts %ld rx_ctlerrs %ld rx_dropped %ld\n", dhdp->rx_ctlpkts, dhdp->rx_ctlerrs, dhdp->rx_dropped); bcm_bprintf(strbuf, "rx_readahead_cnt %ld tx_realloc %ld\n", dhdp->rx_readahead_cnt, dhdp->tx_realloc); bcm_bprintf(strbuf, "\n"); /* Add any prot info */ dhd_prot_dump(dhdp, strbuf); bcm_bprintf(strbuf, "\n"); /* Add any bus info */ dhd_bus_dump(dhdp, strbuf); return (!strbuf->size ? BCME_BUFTOOSHORT : 0); } int dhd_wl_ioctl_cmd(dhd_pub_t *dhd_pub, int cmd, void *arg, int len, uint8 set, int ifindex) { wl_ioctl_t ioc; ioc.cmd = cmd; ioc.buf = arg; ioc.len = len; ioc.set = set; return dhd_wl_ioctl(dhd_pub, ifindex, &ioc, arg, len); } int dhd_wl_ioctl(dhd_pub_t *dhd_pub, int ifindex, wl_ioctl_t *ioc, void *buf, int len) { int ret; dhd_os_proto_block(dhd_pub); ret = dhd_prot_ioctl(dhd_pub, ifindex, ioc, buf, len); if ((ret) && (dhd_pub->up)) /* Send hang event only if dhd_open() was success */ dhd_os_check_hang(dhd_pub, ifindex, ret); dhd_os_proto_unblock(dhd_pub); return ret; } static int dhd_doiovar(dhd_pub_t *dhd_pub, const bcm_iovar_t *vi, uint32 actionid, const char *name, void *params, int plen, void *arg, int len, int val_size) { int bcmerror = 0; int32 int_val = 0; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); DHD_TRACE(("%s: actionid = %d; name %s\n", __FUNCTION__, actionid, name)); if ((bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid))) != 0) goto exit; if (plen >= (int)sizeof(int_val)) bcopy(params, &int_val, sizeof(int_val)); switch (actionid) { case IOV_GVAL(IOV_VERSION): /* Need to have checked buffer length */ bcm_strncpy_s((char*)arg, len, dhd_version, len); break; case IOV_GVAL(IOV_WLMSGLEVEL): printk("android_msg_level=0x%x\n", android_msg_level); #if defined(WL_WIRELESS_EXT) int_val = (int32)iw_msg_level; bcopy(&int_val, arg, val_size); printk("iw_msg_level=0x%x\n", iw_msg_level); #endif #ifdef WL_CFG80211 int_val = (int32)wl_dbg_level; bcopy(&int_val, arg, val_size); printk("cfg_msg_level=0x%x\n", wl_dbg_level); #endif break; case IOV_SVAL(IOV_WLMSGLEVEL): if (int_val & DHD_ANDROID_VAL) { android_msg_level = (uint)(int_val & 0xFFFF); printk("android_msg_level=0x%x\n", android_msg_level); } #if defined(WL_WIRELESS_EXT) if (int_val & DHD_IW_VAL) { iw_msg_level = (uint)(int_val & 0xFFFF); printk("iw_msg_level=0x%x\n", iw_msg_level); } #endif #ifdef WL_CFG80211 if (int_val & DHD_CFG_VAL) { wl_cfg80211_enable_trace((u32)(int_val & 0xFFFF)); } #endif break; case IOV_GVAL(IOV_MSGLEVEL): int_val = (int32)dhd_msg_level; bcopy(&int_val, arg, val_size); break; case IOV_SVAL(IOV_MSGLEVEL): dhd_msg_level = int_val; break; case IOV_GVAL(IOV_BCMERRORSTR): bcm_strncpy_s((char *)arg, len, bcmerrorstr(dhd_pub->bcmerror), BCME_STRLEN); ((char *)arg)[BCME_STRLEN - 1] = 0x00; break; case IOV_GVAL(IOV_BCMERROR): int_val = (int32)dhd_pub->bcmerror; bcopy(&int_val, arg, val_size); break; case IOV_GVAL(IOV_WDTICK): int_val = (int32)dhd_watchdog_ms; bcopy(&int_val, arg, val_size); break; case IOV_SVAL(IOV_WDTICK): if (!dhd_pub->up) { bcmerror = BCME_NOTUP; break; } dhd_os_wd_timer(dhd_pub, (uint)int_val); break; case IOV_GVAL(IOV_DUMP): bcmerror = dhd_dump(dhd_pub, arg, len); break; #ifdef DHD_DEBUG case IOV_GVAL(IOV_DCONSOLE_POLL): int_val = (int32)dhd_console_ms; bcopy(&int_val, arg, val_size); break; case IOV_SVAL(IOV_DCONSOLE_POLL): dhd_console_ms = (uint)int_val; break; case IOV_SVAL(IOV_CONS): if (len > 0) bcmerror = dhd_bus_console_in(dhd_pub, arg, len - 1); break; #endif /* DHD_DEBUG */ case IOV_SVAL(IOV_CLEARCOUNTS): dhd_pub->tx_packets = dhd_pub->rx_packets = 0; dhd_pub->tx_errors = dhd_pub->rx_errors = 0; dhd_pub->tx_ctlpkts = dhd_pub->rx_ctlpkts = 0; dhd_pub->tx_ctlerrs = dhd_pub->rx_ctlerrs = 0; dhd_pub->rx_dropped = 0; dhd_pub->rx_readahead_cnt = 0; dhd_pub->tx_realloc = 0; dhd_pub->wd_dpc_sched = 0; memset(&dhd_pub->dstats, 0, sizeof(dhd_pub->dstats)); dhd_bus_clearcounts(dhd_pub); #ifdef PROP_TXSTATUS /* clear proptxstatus related counters */ if (dhd_pub->wlfc_state) { athost_wl_status_info_t *wlfc = (athost_wl_status_info_t*)dhd_pub->wlfc_state; wlfc_hanger_t* hanger; memset(&wlfc->stats, 0, sizeof(athost_wl_stat_counters_t)); hanger = (wlfc_hanger_t*)wlfc->hanger; hanger->pushed = 0; hanger->popped = 0; hanger->failed_slotfind = 0; hanger->failed_to_pop = 0; hanger->failed_to_push = 0; } #endif /* PROP_TXSTATUS */ break; case IOV_GVAL(IOV_IOCTLTIMEOUT): { int_val = (int32)dhd_os_get_ioctl_resp_timeout(); bcopy(&int_val, arg, sizeof(int_val)); break; } case IOV_SVAL(IOV_IOCTLTIMEOUT): { if (int_val <= 0) bcmerror = BCME_BADARG; else dhd_os_set_ioctl_resp_timeout((unsigned int)int_val); break; } #ifdef WLBTAMP case IOV_SVAL(IOV_HCI_CMD): { amp_hci_cmd_t *cmd = (amp_hci_cmd_t *)arg; /* sanity check: command preamble present */ if (len < HCI_CMD_PREAMBLE_SIZE) return BCME_BUFTOOSHORT; /* sanity check: command parameters are present */ if (len < (int)(HCI_CMD_PREAMBLE_SIZE + cmd->plen)) return BCME_BUFTOOSHORT; dhd_bta_docmd(dhd_pub, cmd, len); break; } case IOV_SVAL(IOV_HCI_ACL_DATA): { amp_hci_ACL_data_t *ACL_data = (amp_hci_ACL_data_t *)arg; /* sanity check: HCI header present */ if (len < HCI_ACL_DATA_PREAMBLE_SIZE) return BCME_BUFTOOSHORT; /* sanity check: ACL data is present */ if (len < (int)(HCI_ACL_DATA_PREAMBLE_SIZE + ACL_data->dlen)) return BCME_BUFTOOSHORT; dhd_bta_tx_hcidata(dhd_pub, ACL_data, len); break; } #endif /* WLBTAMP */ #ifdef PROP_TXSTATUS case IOV_GVAL(IOV_PROPTXSTATUS_ENABLE): int_val = dhd_pub->wlfc_enabled? 1 : 0; bcopy(&int_val, arg, val_size); break; case IOV_SVAL(IOV_PROPTXSTATUS_ENABLE): dhd_pub->wlfc_enabled = int_val? 1 : 0; break; case IOV_GVAL(IOV_PROPTXSTATUS_MODE): { athost_wl_status_info_t *wlfc = (athost_wl_status_info_t*)dhd_pub->wlfc_state; int_val = dhd_pub->wlfc_state ? (int32)wlfc->proptxstatus_mode : 0; bcopy(&int_val, arg, val_size); break; } case IOV_SVAL(IOV_PROPTXSTATUS_MODE): if (dhd_pub->wlfc_state) { athost_wl_status_info_t *wlfc = (athost_wl_status_info_t*)dhd_pub->wlfc_state; wlfc->proptxstatus_mode = int_val & 0xff; } break; #endif /* PROP_TXSTATUS */ case IOV_GVAL(IOV_BUS_TYPE): /* The dhd application queries the driver to check if its usb or sdio. */ #ifdef BCMDHDUSB int_val = BUS_TYPE_USB; #endif int_val = BUS_TYPE_SDIO; bcopy(&int_val, arg, val_size); break; #ifdef WLMEDIA_HTSF case IOV_GVAL(IOV_WLPKTDLYSTAT_SZ): int_val = dhd_pub->htsfdlystat_sz; bcopy(&int_val, arg, val_size); break; case IOV_SVAL(IOV_WLPKTDLYSTAT_SZ): dhd_pub->htsfdlystat_sz = int_val & 0xff; printf("Setting tsfdlystat_sz:%d\n", dhd_pub->htsfdlystat_sz); break; #endif case IOV_SVAL(IOV_CHANGEMTU): int_val &= 0xffff; bcmerror = dhd_change_mtu(dhd_pub, int_val, 0); break; case IOV_GVAL(IOV_HOSTREORDER_FLOWS): { uint i = 0; uint8 *ptr = (uint8 *)arg; uint8 count = 0; ptr++; for (i = 0; i < WLHOST_REORDERDATA_MAXFLOWS; i++) { if (dhd_pub->reorder_bufs[i] != NULL) { *ptr = dhd_pub->reorder_bufs[i]->flow_id; ptr++; count++; } } ptr = (uint8 *)arg; *ptr = count; break; } default: bcmerror = BCME_UNSUPPORTED; break; } exit: DHD_TRACE(("%s: actionid %d, bcmerror %d\n", __FUNCTION__, actionid, bcmerror)); return bcmerror; } /* Store the status of a connection attempt for later retrieval by an iovar */ void dhd_store_conn_status(uint32 event, uint32 status, uint32 reason) { /* Do not overwrite a WLC_E_PRUNE with a WLC_E_SET_SSID * because an encryption/rsn mismatch results in both events, and * the important information is in the WLC_E_PRUNE. */ if (!(event == WLC_E_SET_SSID && status == WLC_E_STATUS_FAIL && dhd_conn_event == WLC_E_PRUNE)) { dhd_conn_event = event; dhd_conn_status = status; dhd_conn_reason = reason; } } bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec) { void *p; int eprec = -1; /* precedence to evict from */ bool discard_oldest; /* Fast case, precedence queue is not full and we are also not * exceeding total queue length */ if (!pktq_pfull(q, prec) && !pktq_full(q)) { pktq_penq(q, prec, pkt); return TRUE; } /* Determine precedence from which to evict packet, if any */ if (pktq_pfull(q, prec)) eprec = prec; else if (pktq_full(q)) { pktq_peek_tail(q, &eprec); if (eprec > prec || eprec < 0) return FALSE; } /* Evict if needed */ if (eprec >= 0) { /* Detect queueing to unconfigured precedence */ ASSERT(!pktq_pempty(q, eprec)); discard_oldest = AC_BITMAP_TST(dhdp->wme_dp, eprec); if (eprec == prec && !discard_oldest) return FALSE; /* refuse newer (incoming) packet */ /* Evict packet according to discard policy */ p = discard_oldest ? pktq_pdeq(q, eprec) : pktq_pdeq_tail(q, eprec); ASSERT(p); PKTFREE(dhdp->osh, p, TRUE); } /* Enqueue */ pktq_penq(q, prec, pkt); return TRUE; } static int dhd_iovar_op(dhd_pub_t *dhd_pub, const char *name, void *params, int plen, void *arg, int len, bool set) { int bcmerror = 0; int val_size; const bcm_iovar_t *vi = NULL; uint32 actionid; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); ASSERT(name); ASSERT(len >= 0); /* Get MUST have return space */ ASSERT(set || (arg && len)); /* Set does NOT take qualifiers */ ASSERT(!set || (!params && !plen)); if ((vi = bcm_iovar_lookup(dhd_iovars, name)) == NULL) { bcmerror = BCME_UNSUPPORTED; goto exit; } DHD_CTL(("%s: %s %s, len %d plen %d\n", __FUNCTION__, name, (set ? "set" : "get"), len, plen)); /* set up 'params' pointer in case this is a set command so that * the convenience int and bool code can be common to set and get */ if (params == NULL) { params = arg; plen = len; } if (vi->type == IOVT_VOID) val_size = 0; else if (vi->type == IOVT_BUFFER) val_size = len; else /* all other types are integer sized */ val_size = sizeof(int); actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); bcmerror = dhd_doiovar(dhd_pub, vi, actionid, name, params, plen, arg, len, val_size); exit: return bcmerror; } int dhd_ioctl(dhd_pub_t * dhd_pub, dhd_ioctl_t *ioc, void * buf, uint buflen) { int bcmerror = 0; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); if (!buf) { return BCME_BADARG; } switch (ioc->cmd) { case DHD_GET_MAGIC: if (buflen < sizeof(int)) bcmerror = BCME_BUFTOOSHORT; else *(int*)buf = DHD_IOCTL_MAGIC; break; case DHD_GET_VERSION: if (buflen < sizeof(int)) bcmerror = -BCME_BUFTOOSHORT; else *(int*)buf = DHD_IOCTL_VERSION; break; case DHD_GET_VAR: case DHD_SET_VAR: { char *arg; uint arglen; /* scan past the name to any arguments */ for (arg = buf, arglen = buflen; *arg && arglen; arg++, arglen--) ; if (*arg) { bcmerror = BCME_BUFTOOSHORT; break; } /* account for the NUL terminator */ arg++, arglen--; /* call with the appropriate arguments */ if (ioc->cmd == DHD_GET_VAR) bcmerror = dhd_iovar_op(dhd_pub, buf, arg, arglen, buf, buflen, IOV_GET); else bcmerror = dhd_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen, IOV_SET); if (bcmerror != BCME_UNSUPPORTED) break; /* not in generic table, try protocol module */ if (ioc->cmd == DHD_GET_VAR) bcmerror = dhd_prot_iovar_op(dhd_pub, buf, arg, arglen, buf, buflen, IOV_GET); else bcmerror = dhd_prot_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen, IOV_SET); if (bcmerror != BCME_UNSUPPORTED) break; /* if still not found, try bus module */ if (ioc->cmd == DHD_GET_VAR) { bcmerror = dhd_bus_iovar_op(dhd_pub, buf, arg, arglen, buf, buflen, IOV_GET); } else { bcmerror = dhd_bus_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen, IOV_SET); } break; } default: bcmerror = BCME_UNSUPPORTED; } return bcmerror; } #ifdef SHOW_EVENTS static void wl_show_host_event(wl_event_msg_t *event, void *event_data) { uint i, status, reason; bool group = FALSE, flush_txq = FALSE, link = FALSE; const char *auth_str; const char *event_name; uchar *buf; char err_msg[256], eabuf[ETHER_ADDR_STR_LEN]; uint event_type, flags, auth_type, datalen; event_type = ntoh32(event->event_type); flags = ntoh16(event->flags); status = ntoh32(event->status); reason = ntoh32(event->reason); BCM_REFERENCE(reason); auth_type = ntoh32(event->auth_type); datalen = ntoh32(event->datalen); /* debug dump of event messages */ snprintf(eabuf, sizeof(eabuf), "%02x:%02x:%02x:%02x:%02x:%02x", (uchar)event->addr.octet[0]&0xff, (uchar)event->addr.octet[1]&0xff, (uchar)event->addr.octet[2]&0xff, (uchar)event->addr.octet[3]&0xff, (uchar)event->addr.octet[4]&0xff, (uchar)event->addr.octet[5]&0xff); event_name = "UNKNOWN"; for (i = 0; i < (uint)bcmevent_names_size; i++) if (bcmevent_names[i].event == event_type) event_name = bcmevent_names[i].name; if (flags & WLC_EVENT_MSG_LINK) link = TRUE; if (flags & WLC_EVENT_MSG_GROUP) group = TRUE; if (flags & WLC_EVENT_MSG_FLUSHTXQ) flush_txq = TRUE; switch (event_type) { case WLC_E_START: case WLC_E_DEAUTH: case WLC_E_DISASSOC: DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf)); break; case WLC_E_ASSOC_IND: case WLC_E_REASSOC_IND: DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf)); break; case WLC_E_ASSOC: case WLC_E_REASSOC: if (status == WLC_E_STATUS_SUCCESS) { DHD_EVENT(("MACEVENT: %s, MAC %s, SUCCESS\n", event_name, eabuf)); } else if (status == WLC_E_STATUS_TIMEOUT) { DHD_EVENT(("MACEVENT: %s, MAC %s, TIMEOUT\n", event_name, eabuf)); } else if (status == WLC_E_STATUS_FAIL) { DHD_EVENT(("MACEVENT: %s, MAC %s, FAILURE, reason %d\n", event_name, eabuf, (int)reason)); } else { DHD_EVENT(("MACEVENT: %s, MAC %s, unexpected status %d\n", event_name, eabuf, (int)status)); } break; case WLC_E_DEAUTH_IND: case WLC_E_DISASSOC_IND: DHD_EVENT(("MACEVENT: %s, MAC %s, reason %d\n", event_name, eabuf, (int)reason)); break; case WLC_E_AUTH: case WLC_E_AUTH_IND: if (auth_type == DOT11_OPEN_SYSTEM) auth_str = "Open System"; else if (auth_type == DOT11_SHARED_KEY) auth_str = "Shared Key"; else { snprintf(err_msg, sizeof(err_msg), "AUTH unknown: %d", (int)auth_type); auth_str = err_msg; } if (event_type == WLC_E_AUTH_IND) { DHD_EVENT(("MACEVENT: %s, MAC %s, %s\n", event_name, eabuf, auth_str)); } else if (status == WLC_E_STATUS_SUCCESS) { DHD_EVENT(("MACEVENT: %s, MAC %s, %s, SUCCESS\n", event_name, eabuf, auth_str)); } else if (status == WLC_E_STATUS_TIMEOUT) { DHD_EVENT(("MACEVENT: %s, MAC %s, %s, TIMEOUT\n", event_name, eabuf, auth_str)); } else if (status == WLC_E_STATUS_FAIL) { DHD_EVENT(("MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n", event_name, eabuf, auth_str, (int)reason)); } BCM_REFERENCE(auth_str); break; case WLC_E_JOIN: case WLC_E_ROAM: case WLC_E_SET_SSID: if (status == WLC_E_STATUS_SUCCESS) { DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf)); } else if (status == WLC_E_STATUS_FAIL) { DHD_EVENT(("MACEVENT: %s, failed\n", event_name)); } else if (status == WLC_E_STATUS_NO_NETWORKS) { DHD_EVENT(("MACEVENT: %s, no networks found\n", event_name)); } else { DHD_EVENT(("MACEVENT: %s, unexpected status %d\n", event_name, (int)status)); } break; case WLC_E_BEACON_RX: if (status == WLC_E_STATUS_SUCCESS) { DHD_EVENT(("MACEVENT: %s, SUCCESS\n", event_name)); } else if (status == WLC_E_STATUS_FAIL) { DHD_EVENT(("MACEVENT: %s, FAIL\n", event_name)); } else { DHD_EVENT(("MACEVENT: %s, status %d\n", event_name, status)); } break; case WLC_E_LINK: DHD_EVENT(("MACEVENT: %s %s\n", event_name, link?"UP":"DOWN")); BCM_REFERENCE(link); break; case WLC_E_MIC_ERROR: DHD_EVENT(("MACEVENT: %s, MAC %s, Group %d, Flush %d\n", event_name, eabuf, group, flush_txq)); BCM_REFERENCE(group); BCM_REFERENCE(flush_txq); break; case WLC_E_ICV_ERROR: case WLC_E_UNICAST_DECODE_ERROR: case WLC_E_MULTICAST_DECODE_ERROR: DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf)); break; case WLC_E_TXFAIL: DHD_EVENT(("MACEVENT: %s, RA %s\n", event_name, eabuf)); break; case WLC_E_SCAN_COMPLETE: case WLC_E_ASSOC_REQ_IE: case WLC_E_ASSOC_RESP_IE: case WLC_E_PMKID_CACHE: DHD_EVENT(("MACEVENT: %s\n", event_name)); break; case WLC_E_PFN_NET_FOUND: case WLC_E_PFN_NET_LOST: case WLC_E_PFN_SCAN_COMPLETE: case WLC_E_PFN_SCAN_NONE: case WLC_E_PFN_SCAN_ALLGONE: DHD_EVENT(("PNOEVENT: %s\n", event_name)); break; case WLC_E_PSK_SUP: case WLC_E_PRUNE: DHD_EVENT(("MACEVENT: %s, status %d, reason %d\n", event_name, (int)status, (int)reason)); break; #ifdef WIFI_ACT_FRAME case WLC_E_ACTION_FRAME: DHD_TRACE(("MACEVENT: %s Bssid %s\n", event_name, eabuf)); break; #endif /* WIFI_ACT_FRAME */ case WLC_E_TRACE: { static uint32 seqnum_prev = 0; msgtrace_hdr_t hdr; uint32 nblost; char *s, *p; buf = (uchar *) event_data; memcpy(&hdr, buf, MSGTRACE_HDRLEN); if (hdr.version != MSGTRACE_VERSION) { printf("\nMACEVENT: %s [unsupported version --> " "dhd version:%d dongle version:%d]\n", event_name, MSGTRACE_VERSION, hdr.version); /* Reset datalen to avoid display below */ datalen = 0; break; } /* There are 2 bytes available at the end of data */ buf[MSGTRACE_HDRLEN + ntoh16(hdr.len)] = '\0'; if (ntoh32(hdr.discarded_bytes) || ntoh32(hdr.discarded_printf)) { printf("\nWLC_E_TRACE: [Discarded traces in dongle -->" "discarded_bytes %d discarded_printf %d]\n", ntoh32(hdr.discarded_bytes), ntoh32(hdr.discarded_printf)); } nblost = ntoh32(hdr.seqnum) - seqnum_prev - 1; if (nblost > 0) { printf("\nWLC_E_TRACE: [Event lost --> seqnum %d nblost %d\n", ntoh32(hdr.seqnum), nblost); } seqnum_prev = ntoh32(hdr.seqnum); /* Display the trace buffer. Advance from \n to \n to avoid display big * printf (issue with Linux printk ) */ p = (char *)&buf[MSGTRACE_HDRLEN]; while ((s = strstr(p, "\n")) != NULL) { *s = '\0'; printf("%s\n", p); p = s+1; } printf("%s\n", p); /* Reset datalen to avoid display below */ datalen = 0; break; } case WLC_E_RSSI: DHD_EVENT(("MACEVENT: %s %d\n", event_name, ntoh32(*((int *)event_data)))); break; case WLC_E_SERVICE_FOUND: case WLC_E_P2PO_ADD_DEVICE: case WLC_E_P2PO_DEL_DEVICE: DHD_EVENT(("MACEVENT: %s, MAC: %s\n", event_name, eabuf)); break; default: DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, auth %d\n", event_name, event_type, eabuf, (int)status, (int)reason, (int)auth_type)); break; } /* show any appended data */ if (datalen) { buf = (uchar *) event_data; DHD_EVENT((" data (%d) : ", datalen)); for (i = 0; i < datalen; i++) DHD_EVENT((" 0x%02x ", *buf++)); DHD_EVENT(("\n")); } } #endif /* SHOW_EVENTS */ int wl_host_event(dhd_pub_t *dhd_pub, int *ifidx, void *pktdata, wl_event_msg_t *event, void **data_ptr) { /* check whether packet is a BRCM event pkt */ bcm_event_t *pvt_data = (bcm_event_t *)pktdata; uint8 *event_data; uint32 type, status, datalen; uint16 flags; int evlen; if (bcmp(BRCM_OUI, &pvt_data->bcm_hdr.oui[0], DOT11_OUI_LEN)) { DHD_ERROR(("%s: mismatched OUI, bailing\n", __FUNCTION__)); return (BCME_ERROR); } /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */ if (ntoh16_ua((void *)&pvt_data->bcm_hdr.usr_subtype) != BCMILCP_BCM_SUBTYPE_EVENT) { DHD_ERROR(("%s: mismatched subtype, bailing\n", __FUNCTION__)); return (BCME_ERROR); } *data_ptr = &pvt_data[1]; event_data = *data_ptr; /* memcpy since BRCM event pkt may be unaligned. */ memcpy(event, &pvt_data->event, sizeof(wl_event_msg_t)); type = ntoh32_ua((void *)&event->event_type); flags = ntoh16_ua((void *)&event->flags); status = ntoh32_ua((void *)&event->status); datalen = ntoh32_ua((void *)&event->datalen); evlen = datalen + sizeof(bcm_event_t); switch (type) { #ifdef PROP_TXSTATUS case WLC_E_FIFO_CREDIT_MAP: dhd_wlfc_event(dhd_pub->info); dhd_wlfc_FIFOcreditmap_event(dhd_pub->info, event_data); WLFC_DBGMESG(("WLC_E_FIFO_CREDIT_MAP:(AC0,AC1,AC2,AC3),(BC_MC),(OTHER): " "(%d,%d,%d,%d),(%d),(%d)\n", event_data[0], event_data[1], event_data[2], event_data[3], event_data[4], event_data[5])); break; #endif case WLC_E_IF: { dhd_if_event_t *ifevent = (dhd_if_event_t *)event_data; #ifdef PROP_TXSTATUS { uint8* ea = pvt_data->eth.ether_dhost; WLFC_DBGMESG(("WLC_E_IF: idx:%d, action:%s, iftype:%s, " "[%02x:%02x:%02x:%02x:%02x:%02x]\n", ifevent->ifidx, ((ifevent->action == WLC_E_IF_ADD) ? "ADD":"DEL"), ((ifevent->is_AP == 0) ? "STA":"AP "), ea[0], ea[1], ea[2], ea[3], ea[4], ea[5])); (void)ea; if (ifevent->action == WLC_E_IF_CHANGE) dhd_wlfc_interface_event(dhd_pub->info, eWLFC_MAC_ENTRY_ACTION_UPDATE, ifevent->ifidx, ifevent->is_AP, ea); else dhd_wlfc_interface_event(dhd_pub->info, ((ifevent->action == WLC_E_IF_ADD) ? eWLFC_MAC_ENTRY_ACTION_ADD : eWLFC_MAC_ENTRY_ACTION_DEL), ifevent->ifidx, ifevent->is_AP, ea); /* dhd already has created an interface by default, for 0 */ if (ifevent->ifidx == 0) break; } #endif /* PROP_TXSTATUS */ #ifdef WL_CFG80211 if (wl_cfg80211_is_progress_ifchange()) { DHD_ERROR(("%s: ifidx %d for %s action %d\n", __FUNCTION__, ifevent->ifidx, event->ifname, ifevent->action)); if (ifevent->action == WLC_E_IF_ADD || ifevent->action == WLC_E_IF_CHANGE) wl_cfg80211_notify_ifchange(); return (BCME_OK); } #endif /* WL_CFG80211 */ if (ifevent->ifidx > 0 && ifevent->ifidx < DHD_MAX_IFS) { if (ifevent->action == WLC_E_IF_ADD) { if (dhd_add_if(dhd_pub->info, ifevent->ifidx, NULL, event->ifname, event->addr.octet, ifevent->flags, ifevent->bssidx)) { DHD_ERROR(("%s: dhd_add_if failed!!" " ifidx: %d for %s\n", __FUNCTION__, ifevent->ifidx, event->ifname)); return (BCME_ERROR); } } else if (ifevent->action == WLC_E_IF_DEL) dhd_del_if(dhd_pub->info, ifevent->ifidx); } else { #ifndef PROP_TXSTATUS DHD_ERROR(("%s: Invalid ifidx %d for %s\n", __FUNCTION__, ifevent->ifidx, event->ifname)); #endif /* !PROP_TXSTATUS */ } } /* send up the if event: btamp user needs it */ *ifidx = dhd_ifname2idx(dhd_pub->info, event->ifname); /* push up to external supp/auth */ dhd_event(dhd_pub->info, (char *)pvt_data, evlen, *ifidx); break; #ifdef WLMEDIA_HTSF case WLC_E_HTSFSYNC: htsf_update(dhd_pub->info, event_data); break; #endif /* WLMEDIA_HTSF */ #if defined(NDIS630) case WLC_E_NDIS_LINK: break; #else /* defined(NDIS630) && defined(BCMDONGLEHOST) */ case WLC_E_NDIS_LINK: { uint32 temp = hton32(WLC_E_LINK); memcpy((void *)(&pvt_data->event.event_type), &temp, sizeof(pvt_data->event.event_type)); } #endif /* These are what external supplicant/authenticator wants */ /* fall through */ case WLC_E_LINK: case WLC_E_DEAUTH: case WLC_E_DEAUTH_IND: case WLC_E_DISASSOC: case WLC_E_DISASSOC_IND: DHD_EVENT(("%s: Link event %d, flags %x, status %x\n", __FUNCTION__, type, flags, status)); /* fall through */ default: *ifidx = dhd_ifname2idx(dhd_pub->info, event->ifname); /* push up to external supp/auth */ dhd_event(dhd_pub->info, (char *)pvt_data, evlen, *ifidx); DHD_TRACE(("%s: MAC event %d, flags %x, status %x\n", __FUNCTION__, type, flags, status)); BCM_REFERENCE(flags); BCM_REFERENCE(status); /* put it back to WLC_E_NDIS_LINK */ if (type == WLC_E_NDIS_LINK) { uint32 temp; temp = ntoh32_ua((void *)&event->event_type); DHD_TRACE(("Converted to WLC_E_LINK type %d\n", temp)); temp = ntoh32(WLC_E_NDIS_LINK); memcpy((void *)(&pvt_data->event.event_type), &temp, sizeof(pvt_data->event.event_type)); } break; } #ifdef SHOW_EVENTS wl_show_host_event(event, (void *)event_data); #endif /* SHOW_EVENTS */ return (BCME_OK); } void wl_event_to_host_order(wl_event_msg_t * evt) { /* Event struct members passed from dongle to host are stored in network * byte order. Convert all members to host-order. */ evt->event_type = ntoh32(evt->event_type); evt->flags = ntoh16(evt->flags); evt->status = ntoh32(evt->status); evt->reason = ntoh32(evt->reason); evt->auth_type = ntoh32(evt->auth_type); evt->datalen = ntoh32(evt->datalen); evt->version = ntoh16(evt->version); } void dhd_print_buf(void *pbuf, int len, int bytes_per_line) { #ifdef DHD_DEBUG int i, j = 0; unsigned char *buf = pbuf; if (bytes_per_line == 0) { bytes_per_line = len; } for (i = 0; i < len; i++) { printf("%2.2x", *buf++); j++; if (j == bytes_per_line) { printf("\n"); j = 0; } else { printf(":"); } } printf("\n"); #endif /* DHD_DEBUG */ } #ifndef strtoul #define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base)) #endif #ifdef PKT_FILTER_SUPPORT /* Convert user's input in hex pattern to byte-size mask */ static int wl_pattern_atoh(char *src, char *dst) { int i; if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) { DHD_ERROR(("Mask invalid format. Needs to start with 0x\n")); return -1; } src = src + 2; /* Skip past 0x */ if (strlen(src) % 2 != 0) { DHD_ERROR(("Mask invalid format. Needs to be of even length\n")); return -1; } for (i = 0; *src != '\0'; i++) { char num[3]; bcm_strncpy_s(num, sizeof(num), src, 2); num[2] = '\0'; dst[i] = (uint8)strtoul(num, NULL, 16); src += 2; } return i; } void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode) { char *argv[8]; int i = 0; const char *str; int buf_len; int str_len; char *arg_save = 0, *arg_org = 0; int rc; char buf[128]; wl_pkt_filter_enable_t enable_parm; wl_pkt_filter_enable_t * pkt_filterp; if (!arg) return; if (!(arg_save = MALLOC(dhd->osh, strlen(arg) + 1))) { DHD_ERROR(("%s: kmalloc failed\n", __FUNCTION__)); goto fail; } arg_org = arg_save; memcpy(arg_save, arg, strlen(arg) + 1); argv[i] = bcmstrtok(&arg_save, " ", 0); i = 0; if (argv[i] == NULL) { DHD_ERROR(("No args provided\n")); goto fail; } str = "pkt_filter_enable"; str_len = strlen(str); bcm_strncpy_s(buf, sizeof(buf), str, str_len); buf[str_len] = '\0'; buf_len = str_len + 1; pkt_filterp = (wl_pkt_filter_enable_t *)(buf + str_len + 1); /* Parse packet filter id. */ enable_parm.id = htod32(strtoul(argv[i], NULL, 0)); /* Parse enable/disable value. */ enable_parm.enable = htod32(enable); buf_len += sizeof(enable_parm); memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm)); /* Enable/disable the specified filter. */ rc = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0); rc = rc >= 0 ? 0 : rc; if (rc) DHD_TRACE(("%s: failed to add pktfilter %s, retcode = %d\n", __FUNCTION__, arg, rc)); else DHD_TRACE(("%s: successfully added pktfilter %s\n", __FUNCTION__, arg)); /* Contorl the master mode */ bcm_mkiovar("pkt_filter_mode", (char *)&master_mode, 4, buf, sizeof(buf)); rc = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, sizeof(buf), TRUE, 0); rc = rc >= 0 ? 0 : rc; if (rc) DHD_TRACE(("%s: failed to add pktfilter %s, retcode = %d\n", __FUNCTION__, arg, rc)); fail: if (arg_org) MFREE(dhd->osh, arg_org, strlen(arg) + 1); } void dhd_pktfilter_offload_set(dhd_pub_t * dhd, char *arg) { const char *str; wl_pkt_filter_t pkt_filter; wl_pkt_filter_t *pkt_filterp; int buf_len; int str_len; int rc; uint32 mask_size; uint32 pattern_size; char *argv[8], * buf = 0; int i = 0; char *arg_save = 0, *arg_org = 0; #define BUF_SIZE 2048 if (!arg) return; if (!(arg_save = MALLOC(dhd->osh, strlen(arg) + 1))) { DHD_ERROR(("%s: kmalloc failed\n", __FUNCTION__)); goto fail; } arg_org = arg_save; if (!(buf = MALLOC(dhd->osh, BUF_SIZE))) { DHD_ERROR(("%s: kmalloc failed\n", __FUNCTION__)); goto fail; } memcpy(arg_save, arg, strlen(arg) + 1); if (strlen(arg) > BUF_SIZE) { DHD_ERROR(("Not enough buffer %d < %d\n", (int)strlen(arg), (int)sizeof(buf))); goto fail; } argv[i] = bcmstrtok(&arg_save, " ", 0); while (argv[i++]) argv[i] = bcmstrtok(&arg_save, " ", 0); i = 0; if (argv[i] == NULL) { DHD_ERROR(("No args provided\n")); goto fail; } str = "pkt_filter_add"; str_len = strlen(str); bcm_strncpy_s(buf, BUF_SIZE, str, str_len); buf[ str_len ] = '\0'; buf_len = str_len + 1; pkt_filterp = (wl_pkt_filter_t *) (buf + str_len + 1); /* Parse packet filter id. */ pkt_filter.id = htod32(strtoul(argv[i], NULL, 0)); if (argv[++i] == NULL) { DHD_ERROR(("Polarity not provided\n")); goto fail; } /* Parse filter polarity. */ pkt_filter.negate_match = htod32(strtoul(argv[i], NULL, 0)); if (argv[++i] == NULL) { DHD_ERROR(("Filter type not provided\n")); goto fail; } /* Parse filter type. */ pkt_filter.type = htod32(strtoul(argv[i], NULL, 0)); if (argv[++i] == NULL) { DHD_ERROR(("Offset not provided\n")); goto fail; } /* Parse pattern filter offset. */ pkt_filter.u.pattern.offset = htod32(strtoul(argv[i], NULL, 0)); if (argv[++i] == NULL) { DHD_ERROR(("Bitmask not provided\n")); goto fail; } /* Parse pattern filter mask. */ mask_size = htod32(wl_pattern_atoh(argv[i], (char *) pkt_filterp->u.pattern.mask_and_pattern)); if (argv[++i] == NULL) { DHD_ERROR(("Pattern not provided\n")); goto fail; } /* Parse pattern filter pattern. */ pattern_size = htod32(wl_pattern_atoh(argv[i], (char *) &pkt_filterp->u.pattern.mask_and_pattern[mask_size])); if (mask_size != pattern_size) { DHD_ERROR(("Mask and pattern not the same size\n")); goto fail; } pkt_filter.u.pattern.size_bytes = mask_size; buf_len += WL_PKT_FILTER_FIXED_LEN; buf_len += (WL_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size); /* Keep-alive attributes are set in local variable (keep_alive_pkt), and ** then memcpy'ed into buffer (keep_alive_pktp) since there is no ** guarantee that the buffer is properly aligned. */ memcpy((char *)pkt_filterp, &pkt_filter, WL_PKT_FILTER_FIXED_LEN + WL_PKT_FILTER_PATTERN_FIXED_LEN); rc = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0); rc = rc >= 0 ? 0 : rc; if (rc) DHD_TRACE(("%s: failed to add pktfilter %s, retcode = %d\n", __FUNCTION__, arg, rc)); else DHD_TRACE(("%s: successfully added pktfilter %s\n", __FUNCTION__, arg)); fail: if (arg_org) MFREE(dhd->osh, arg_org, strlen(arg) + 1); if (buf) MFREE(dhd->osh, buf, BUF_SIZE); } #endif /* PKT_FILTER_SUPPORT */ /* ========================== */ /* ==== ARP OFFLOAD SUPPORT = */ /* ========================== */ #ifdef ARP_OFFLOAD_SUPPORT void dhd_arp_offload_set(dhd_pub_t * dhd, int arp_mode) { char iovbuf[32]; int retcode; bcm_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf)); retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); retcode = retcode >= 0 ? 0 : retcode; if (retcode) DHD_TRACE(("%s: failed to set ARP offload mode to 0x%x, retcode = %d\n", __FUNCTION__, arp_mode, retcode)); else DHD_TRACE(("%s: successfully set ARP offload mode to 0x%x\n", __FUNCTION__, arp_mode)); } void dhd_arp_offload_enable(dhd_pub_t * dhd, int arp_enable) { char iovbuf[32]; int retcode; bcm_mkiovar("arpoe", (char *)&arp_enable, 4, iovbuf, sizeof(iovbuf)); retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0); retcode = retcode >= 0 ? 0 : retcode; if (retcode) DHD_TRACE(("%s: failed to enabe ARP offload to %d, retcode = %d\n", __FUNCTION__, arp_enable, retcode)); else DHD_TRACE(("%s: successfully enabed ARP offload to %d\n", __FUNCTION__, arp_enable)); if (arp_enable) { uint32 version; bcm_mkiovar("arp_version", 0, 0, iovbuf, sizeof(iovbuf)); retcode = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, iovbuf, sizeof(iovbuf), FALSE, 0); if (retcode) { DHD_INFO(("%s: fail to get version (maybe version 1:retcode = %d\n", __FUNCTION__, retcode)); dhd->arp_version = 1; } else { memcpy(&version, iovbuf, sizeof(version)); DHD_INFO(("%s: ARP Version= %x\n", __FUNCTION__, version)); dhd->arp_version = version; } } } void dhd_aoe_arp_clr(dhd_pub_t *dhd, int idx) { int ret = 0; int iov_len = 0; char iovbuf[128]; if (dhd == NULL) return; if (dhd->arp_version == 1) idx = 0; iov_len = bcm_mkiovar("arp_table_clear", 0, 0, iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx) < 0)) DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret)); } void dhd_aoe_hostip_clr(dhd_pub_t *dhd, int idx) { int ret = 0; int iov_len = 0; char iovbuf[128]; if (dhd == NULL) return; if (dhd->arp_version == 1) idx = 0; iov_len = bcm_mkiovar("arp_hostip_clear", 0, 0, iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx)) < 0) DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret)); } void dhd_arp_offload_add_ip(dhd_pub_t *dhd, uint32 ipaddr, int idx) { int iov_len = 0; char iovbuf[32]; int retcode; if (dhd == NULL) return; if (dhd->arp_version == 1) idx = 0; iov_len = bcm_mkiovar("arp_hostip", (char *)&ipaddr, sizeof(ipaddr), iovbuf, sizeof(iovbuf)); retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx); if (retcode) DHD_TRACE(("%s: ARP ip addr add failed, retcode = %d\n", __FUNCTION__, retcode)); else DHD_TRACE(("%s: sARP H ipaddr entry added \n", __FUNCTION__)); } int dhd_arp_get_arp_hostip_table(dhd_pub_t *dhd, void *buf, int buflen, int idx) { int retcode, i; int iov_len; uint32 *ptr32 = buf; bool clr_bottom = FALSE; if (!buf) return -1; if (dhd == NULL) return -1; if (dhd->arp_version == 1) idx = 0; iov_len = bcm_mkiovar("arp_hostip", 0, 0, buf, buflen); BCM_REFERENCE(iov_len); retcode = dhd_wl_ioctl_cmd(dhd, WLC_GET_VAR, buf, buflen, FALSE, idx); if (retcode) { DHD_TRACE(("%s: ioctl WLC_GET_VAR error %d\n", __FUNCTION__, retcode)); return -1; } /* clean up the buf, ascii reminder */ for (i = 0; i < MAX_IPV4_ENTRIES; i++) { if (!clr_bottom) { if (*ptr32 == 0) clr_bottom = TRUE; } else { *ptr32 = 0; } ptr32++; } return 0; } #endif /* ARP_OFFLOAD_SUPPORT */ /* send up locally generated event */ void dhd_sendup_event_common(dhd_pub_t *dhdp, wl_event_msg_t *event, void *data) { switch (ntoh32(event->event_type)) { #ifdef WLBTAMP case WLC_E_BTA_HCI_EVENT: break; #endif /* WLBTAMP */ default: break; } /* Call per-port handler. */ dhd_sendup_event(dhdp, event, data); } /* * returns = TRUE if associated, FALSE if not associated */ bool dhd_is_associated(dhd_pub_t *dhd, void *bss_buf, int *retval) { char bssid[6], zbuf[6]; int ret = -1; bzero(bssid, 6); bzero(zbuf, 6); ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_BSSID, (char *)&bssid, ETHER_ADDR_LEN, FALSE, 0); DHD_TRACE((" %s WLC_GET_BSSID ioctl res = %d\n", __FUNCTION__, ret)); if (ret == BCME_NOTASSOCIATED) { DHD_TRACE(("%s: not associated! res:%d\n", __FUNCTION__, ret)); } if (retval) *retval = ret; if (ret < 0) return FALSE; if ((memcmp(bssid, zbuf, ETHER_ADDR_LEN) != 0)) { /* STA is assocoated BSSID is non zero */ if (bss_buf) { /* return bss if caller provided buf */ memcpy(bss_buf, bssid, ETHER_ADDR_LEN); } return TRUE; } else { DHD_TRACE(("%s: WLC_GET_BSSID ioctl returned zero bssid\n", __FUNCTION__)); return FALSE; } } /* Function to estimate possible DTIM_SKIP value */ int dhd_get_suspend_bcn_li_dtim(dhd_pub_t *dhd) { int bcn_li_dtim; int ret = -1; int dtim_assoc = 0; bcn_li_dtim = dhd->suspend_bcn_li_dtim; /* Check if associated */ if (dhd_is_associated(dhd, NULL, NULL) == FALSE) { DHD_TRACE(("%s NOT assoc ret %d\n", __FUNCTION__, ret)); goto exit; } /* if assoc grab ap's dtim value */ if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_DTIMPRD, &dtim_assoc, sizeof(dtim_assoc), FALSE, 0)) < 0) { DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret)); goto exit; } DHD_ERROR(("%s bcn_li_dtim=%d DTIM=%d Listen=%d\n", __FUNCTION__, bcn_li_dtim, dtim_assoc, LISTEN_INTERVAL)); /* if not assocated just eixt */ if (dtim_assoc == 0) { goto exit; } /* check if sta listen interval fits into AP dtim */ if (dtim_assoc > LISTEN_INTERVAL) { /* AP DTIM to big for our Listen Interval : no dtim skiping */ bcn_li_dtim = 1; DHD_ERROR(("%s DTIM=%d > Listen=%d : too big ...\n", __FUNCTION__, dtim_assoc, LISTEN_INTERVAL)); goto exit; } if ((bcn_li_dtim * dtim_assoc) > LISTEN_INTERVAL) { /* Round up dtim_skip to fit into STAs Listen Interval */ bcn_li_dtim = (int)(LISTEN_INTERVAL / dtim_assoc); DHD_TRACE(("%s agjust dtim_skip as %d\n", __FUNCTION__, bcn_li_dtim)); } exit: return bcn_li_dtim; } /* Check if the mode supports STA MODE */ bool dhd_support_sta_mode(dhd_pub_t *dhd) { #ifdef WL_CFG80211 if (!(dhd->op_mode & DHD_FLAG_STA_MODE)) return FALSE; else #endif /* WL_CFG80211 */ return TRUE; } #if defined(PNO_SUPPORT) int dhd_pno_clean(dhd_pub_t *dhd) { char iovbuf[128]; int pfn_enabled = 0; int iov_len = 0; int ret; /* Disable pfn */ iov_len = bcm_mkiovar("pfn", (char *)&pfn_enabled, 4, iovbuf, sizeof(iovbuf)); if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) >= 0) { /* clear pfn */ iov_len = bcm_mkiovar("pfnclear", 0, 0, iovbuf, sizeof(iovbuf)); if (iov_len) { if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, 0)) < 0) { DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret)); } } else { ret = -1; DHD_ERROR(("%s failed code %d\n", __FUNCTION__, iov_len)); } } else DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret)); return ret; } int dhd_pno_enable(dhd_pub_t *dhd, int pfn_enabled) { char iovbuf[128]; int ret = -1; if ((!dhd) && ((pfn_enabled != 0) || (pfn_enabled != 1))) { DHD_ERROR(("%s error exit\n", __FUNCTION__)); return ret; } #ifndef WL_SCHED_SCAN if (!dhd_support_sta_mode(dhd)) return (ret); memset(iovbuf, 0, sizeof(iovbuf)); if ((pfn_enabled) && (dhd_is_associated(dhd, NULL, NULL) == TRUE)) { DHD_ERROR(("%s pno is NOT enable : called in assoc mode , ignore\n", __FUNCTION__)); return ret; } #endif /* !WL_SCHED_SCAN */ /* Enable/disable PNO */ if ((ret = bcm_mkiovar("pfn", (char *)&pfn_enabled, 4, iovbuf, sizeof(iovbuf))) > 0) { if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0) { DHD_ERROR(("%s failed for error=%d\n", __FUNCTION__, ret)); return ret; } else { dhd->pno_enable = pfn_enabled; DHD_TRACE(("%s set pno as %s\n", __FUNCTION__, dhd->pno_enable ? "Enable" : "Disable")); } } else DHD_ERROR(("%s failed err=%d\n", __FUNCTION__, ret)); return ret; } /* Function to execute combined scan */ int dhd_pno_set(dhd_pub_t *dhd, wlc_ssid_t* ssids_local, int nssid, ushort scan_fr, int pno_repeat, int pno_freq_expo_max) { int err = -1; char iovbuf[128]; int k, i; wl_pfn_param_t pfn_param; wl_pfn_t pfn_element; uint len = 0; DHD_TRACE(("%s nssid=%d nchan=%d\n", __FUNCTION__, nssid, scan_fr)); if ((!dhd) || (!ssids_local)) { DHD_ERROR(("%s error exit(%s %s)\n", __FUNCTION__, (!dhd)?"dhd is null":"", (!ssids_local)?"ssid is null":"")); err = -1; return err; } #ifndef WL_SCHED_SCAN if (!dhd_support_sta_mode(dhd)) return err; #endif /* !WL_SCHED_SCAN */ /* Check for broadcast ssid */ for (k = 0; k < nssid; k++) { if (!ssids_local[k].SSID_len) { DHD_ERROR(("%d: Broadcast SSID is ilegal for PNO setting\n", k)); return err; } } /* #define PNO_DUMP 1 */ #ifdef PNO_DUMP { int j; for (j = 0; j < nssid; j++) { DHD_ERROR(("%d: scan for %s size =%d\n", j, ssids_local[j].SSID, ssids_local[j].SSID_len)); } } #endif /* PNO_DUMP */ /* clean up everything */ if ((err = dhd_pno_clean(dhd)) < 0) { DHD_ERROR(("%s failed error=%d\n", __FUNCTION__, err)); return err; } memset(iovbuf, 0, sizeof(iovbuf)); memset(&pfn_param, 0, sizeof(pfn_param)); memset(&pfn_element, 0, sizeof(pfn_element)); /* set pfn parameters */ pfn_param.version = htod32(PFN_VERSION); pfn_param.flags = htod16((PFN_LIST_ORDER << SORT_CRITERIA_BIT)); /* check and set extra pno params */ if ((pno_repeat != 0) || (pno_freq_expo_max != 0)) { pfn_param.flags |= htod16(ENABLE << ENABLE_ADAPTSCAN_BIT); pfn_param.repeat = (uchar) (pno_repeat); pfn_param.exp = (uchar) (pno_freq_expo_max); } /* set up pno scan fr */ if (scan_fr != 0) pfn_param.scan_freq = htod32(scan_fr); if (pfn_param.scan_freq > PNO_SCAN_MAX_FW_SEC) { DHD_ERROR(("%s pno freq above %d sec\n", __FUNCTION__, PNO_SCAN_MAX_FW_SEC)); return err; } if (pfn_param.scan_freq < PNO_SCAN_MIN_FW_SEC) { DHD_ERROR(("%s pno freq less %d sec\n", __FUNCTION__, PNO_SCAN_MIN_FW_SEC)); return err; } len = bcm_mkiovar("pfn_set", (char *)&pfn_param, sizeof(pfn_param), iovbuf, sizeof(iovbuf)); if ((err = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, len, TRUE, 0)) < 0) { DHD_ERROR(("%s pfn_set failed for error=%d\n", __FUNCTION__, err)); return err; } /* set all pfn ssid */ for (i = 0; i < nssid; i++) { pfn_element.infra = htod32(DOT11_BSSTYPE_INFRASTRUCTURE); pfn_element.auth = (DOT11_OPEN_SYSTEM); pfn_element.wpa_auth = htod32(WPA_AUTH_PFN_ANY); pfn_element.wsec = htod32(0); pfn_element.infra = htod32(1); pfn_element.flags = htod32(ENABLE << WL_PFN_HIDDEN_BIT); memcpy((char *)pfn_element.ssid.SSID, ssids_local[i].SSID, ssids_local[i].SSID_len); pfn_element.ssid.SSID_len = ssids_local[i].SSID_len; if ((len = bcm_mkiovar("pfn_add", (char *)&pfn_element, sizeof(pfn_element), iovbuf, sizeof(iovbuf))) > 0) { if ((err = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, len, TRUE, 0)) < 0) { DHD_ERROR(("%s failed for i=%d error=%d\n", __FUNCTION__, i, err)); return err; } else DHD_TRACE(("%s set OK with PNO time=%d repeat=%d max_adjust=%d\n", __FUNCTION__, pfn_param.scan_freq, pfn_param.repeat, pfn_param.exp)); } else DHD_ERROR(("%s failed err=%d\n", __FUNCTION__, err)); } /* Enable PNO */ /* dhd_pno_enable(dhd, 1); */ return err; } int dhd_pno_get_status(dhd_pub_t *dhd) { int ret = -1; if (!dhd) return ret; else return (dhd->pno_enable); } #endif /* OEM_ANDROID && PNO_SUPPORT */ #if defined(KEEP_ALIVE) int dhd_keep_alive_onoff(dhd_pub_t *dhd) { char buf[256]; const char *str; wl_mkeep_alive_pkt_t mkeep_alive_pkt; wl_mkeep_alive_pkt_t *mkeep_alive_pktp; int buf_len; int str_len; int res = -1; if (!dhd_support_sta_mode(dhd)) return res; DHD_TRACE(("%s execution\n", __FUNCTION__)); str = "mkeep_alive"; str_len = strlen(str); strncpy(buf, str, str_len); buf[ str_len ] = '\0'; mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (buf + str_len + 1); mkeep_alive_pkt.period_msec = CUSTOM_KEEP_ALIVE_SETTING; buf_len = str_len + 1; mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION); mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN); /* Setup keep alive zero for null packet generation */ mkeep_alive_pkt.keep_alive_id = 0; mkeep_alive_pkt.len_bytes = 0; buf_len += WL_MKEEP_ALIVE_FIXED_LEN; bzero(mkeep_alive_pkt.data, sizeof(mkeep_alive_pkt.data)); /* Keep-alive attributes are set in local variable (mkeep_alive_pkt), and * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no * guarantee that the buffer is properly aligned. */ memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN); res = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, buf, buf_len, TRUE, 0); return res; } #endif /* defined(KEEP_ALIVE) */ /* Android ComboSCAN support */ /* * data parsing from ComboScan tlv list */ int wl_iw_parse_data_tlv(char** list_str, void *dst, int dst_size, const char token, int input_size, int *bytes_left) { char* str; uint16 short_temp; uint32 int_temp; if ((list_str == NULL) || (*list_str == NULL) ||(bytes_left == NULL) || (*bytes_left < 0)) { DHD_ERROR(("%s error paramters\n", __FUNCTION__)); return -1; } str = *list_str; /* Clean all dest bytes */ memset(dst, 0, dst_size); while (*bytes_left > 0) { if (str[0] != token) { DHD_TRACE(("%s NOT Type=%d get=%d left_parse=%d \n", __FUNCTION__, token, str[0], *bytes_left)); return -1; } *bytes_left -= 1; str += 1; if (input_size == 1) { memcpy(dst, str, input_size); } else if (input_size == 2) { memcpy(dst, (char *)htod16(memcpy(&short_temp, str, input_size)), input_size); } else if (input_size == 4) { memcpy(dst, (char *)htod32(memcpy(&int_temp, str, input_size)), input_size); } *bytes_left -= input_size; str += input_size; *list_str = str; return 1; } return 1; } /* * channel list parsing from cscan tlv list */ int wl_iw_parse_channel_list_tlv(char** list_str, uint16* channel_list, int channel_num, int *bytes_left) { char* str; int idx = 0; if ((list_str == NULL) || (*list_str == NULL) ||(bytes_left == NULL) || (*bytes_left < 0)) { DHD_ERROR(("%s error paramters\n", __FUNCTION__)); return -1; } str = *list_str; while (*bytes_left > 0) { if (str[0] != CSCAN_TLV_TYPE_CHANNEL_IE) { *list_str = str; DHD_TRACE(("End channel=%d left_parse=%d %d\n", idx, *bytes_left, str[0])); return idx; } /* Get proper CSCAN_TLV_TYPE_CHANNEL_IE */ *bytes_left -= 1; str += 1; if (str[0] == 0) { /* All channels */ channel_list[idx] = 0x0; } else { channel_list[idx] = (uint16)str[0]; DHD_TRACE(("%s channel=%d \n", __FUNCTION__, channel_list[idx])); } *bytes_left -= 1; str += 1; if (idx++ > 255) { DHD_ERROR(("%s Too many channels \n", __FUNCTION__)); return -1; } } *list_str = str; return idx; } /* * SSIDs list parsing from cscan tlv list */ int wl_iw_parse_ssid_list_tlv(char** list_str, wlc_ssid_t* ssid, int max, int *bytes_left) { char* str; int idx = 0; if ((list_str == NULL) || (*list_str == NULL) || (*bytes_left < 0)) { DHD_ERROR(("%s error paramters\n", __FUNCTION__)); return -1; } str = *list_str; while (*bytes_left > 0) { if (str[0] != CSCAN_TLV_TYPE_SSID_IE) { *list_str = str; DHD_TRACE(("nssid=%d left_parse=%d %d\n", idx, *bytes_left, str[0])); return idx; } /* Get proper CSCAN_TLV_TYPE_SSID_IE */ *bytes_left -= 1; str += 1; if (str[0] == 0) { /* Broadcast SSID */ ssid[idx].SSID_len = 0; memset((char*)ssid[idx].SSID, 0x0, DOT11_MAX_SSID_LEN); *bytes_left -= 1; str += 1; DHD_TRACE(("BROADCAST SCAN left=%d\n", *bytes_left)); } else if (str[0] <= DOT11_MAX_SSID_LEN) { /* Get proper SSID size */ ssid[idx].SSID_len = str[0]; *bytes_left -= 1; str += 1; /* Get SSID */ if (ssid[idx].SSID_len > *bytes_left) { DHD_ERROR(("%s out of memory range len=%d but left=%d\n", __FUNCTION__, ssid[idx].SSID_len, *bytes_left)); return -1; } memcpy((char*)ssid[idx].SSID, str, ssid[idx].SSID_len); *bytes_left -= ssid[idx].SSID_len; str += ssid[idx].SSID_len; DHD_TRACE(("%s :size=%d left=%d\n", (char*)ssid[idx].SSID, ssid[idx].SSID_len, *bytes_left)); } else { DHD_ERROR(("### SSID size more that %d\n", str[0])); return -1; } if (idx++ > max) { DHD_ERROR(("%s number of SSIDs more that %d\n", __FUNCTION__, idx)); return -1; } } *list_str = str; return idx; } /* Parse a comma-separated list from list_str into ssid array, starting * at index idx. Max specifies size of the ssid array. Parses ssids * and returns updated idx; if idx >= max not all fit, the excess have * not been copied. Returns -1 on empty string, or on ssid too long. */ int wl_iw_parse_ssid_list(char** list_str, wlc_ssid_t* ssid, int idx, int max) { char* str, *ptr; if ((list_str == NULL) || (*list_str == NULL)) return -1; for (str = *list_str; str != NULL; str = ptr) { /* check for next TAG */ if (!strncmp(str, GET_CHANNEL, strlen(GET_CHANNEL))) { *list_str = str + strlen(GET_CHANNEL); return idx; } if ((ptr = strchr(str, ',')) != NULL) { *ptr++ = '\0'; } if (strlen(str) > DOT11_MAX_SSID_LEN) { DHD_ERROR(("ssid <%s> exceeds %d\n", str, DOT11_MAX_SSID_LEN)); return -1; } if (strlen(str) == 0) ssid[idx].SSID_len = 0; if (idx < max) { bzero(ssid[idx].SSID, sizeof(ssid[idx].SSID)); strncpy((char*)ssid[idx].SSID, str, sizeof(ssid[idx].SSID) - 1); ssid[idx].SSID_len = strlen(str); } idx++; } return idx; } /* * Parse channel list from iwpriv CSCAN */ int wl_iw_parse_channel_list(char** list_str, uint16* channel_list, int channel_num) { int num; int val; char* str; char* endptr = NULL; if ((list_str == NULL)||(*list_str == NULL)) return -1; str = *list_str; num = 0; while (strncmp(str, GET_NPROBE, strlen(GET_NPROBE))) { val = (int)strtoul(str, &endptr, 0); if (endptr == str) { printf("could not parse channel number starting at" " substring \"%s\" in list:\n%s\n", str, *list_str); return -1; } str = endptr + strspn(endptr, " ,"); if (num == channel_num) { DHD_ERROR(("too many channels (more than %d) in channel list:\n%s\n", channel_num, *list_str)); return -1; } channel_list[num++] = (uint16)val; } *list_str = str; return num; }