/* * DHD Protocol Module for CDC and BDC. * * Copyright (C) 1999-2010, 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_cdc.c,v 1.22.4.2.4.7.2.34 2010/01/21 22:08:34 Exp $ * * BDC is like CDC, except it includes a header for data packets to convey * packet priority over the bus, and flags (e.g. to indicate checksum status * for dongle offload). */ #include #include #include #include #include #include #include #include #include #include #ifdef SET_RANDOM_MAC_SOFTAP #include #include #endif /* Packet alignment for most efficient SDIO (can change based on platform) */ #ifndef DHD_SDALIGN #define DHD_SDALIGN 32 #endif #if !ISPOWEROF2(DHD_SDALIGN) #error DHD_SDALIGN is not a power of 2! #endif #define RETRIES 2 /* # of retries to retrieve matching ioctl response */ #define BUS_HEADER_LEN (16+DHD_SDALIGN) /* Must be atleast SDPCM_RESERVE * defined in dhd_sdio.c (amount of header tha might be added) * plus any space that might be needed for alignment padding. */ #define ROUND_UP_MARGIN 2048 /* Biggest SDIO block size possible for * round off at the end of buffer */ typedef struct dhd_prot { uint16 reqid; uint8 pending; uint32 lastcmd; uint8 bus_header[BUS_HEADER_LEN]; cdc_ioctl_t msg; unsigned char buf[WLC_IOCTL_MAXLEN + ROUND_UP_MARGIN]; } dhd_prot_t; static int dhdcdc_msg(dhd_pub_t *dhd) { dhd_prot_t *prot = dhd->prot; int len = ltoh32(prot->msg.len) + sizeof(cdc_ioctl_t); int ret; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); dhd_os_wake_lock(dhd); /* NOTE : cdc->msg.len holds the desired length of the buffer to be * returned. Only up to CDC_MAX_MSG_SIZE of this buffer area * is actually sent to the dongle */ if (len > CDC_MAX_MSG_SIZE) len = CDC_MAX_MSG_SIZE; /* Send request */ ret = dhd_bus_txctl(dhd->bus, (uchar*)&prot->msg, len); dhd_os_wake_unlock(dhd); return ret; } static int dhdcdc_cmplt(dhd_pub_t *dhd, uint32 id, uint32 len) { int ret; dhd_prot_t *prot = dhd->prot; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); do { ret = dhd_bus_rxctl(dhd->bus, (uchar*)&prot->msg, len+sizeof(cdc_ioctl_t)); if (ret < 0) break; } while (CDC_IOC_ID(ltoh32(prot->msg.flags)) != id); return ret; } int dhdcdc_query_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf, uint len) { dhd_prot_t *prot = dhd->prot; cdc_ioctl_t *msg = &prot->msg; void *info; int ret = 0, retries = 0; uint32 id, flags = 0; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); DHD_CTL(("%s: cmd %d len %d\n", __FUNCTION__, cmd, len)); /* Respond "bcmerror" and "bcmerrorstr" with local cache */ if (cmd == WLC_GET_VAR && buf) { if (!strcmp((char *)buf, "bcmerrorstr")) { strncpy((char *)buf, bcmerrorstr(dhd->dongle_error), BCME_STRLEN); goto done; } else if (!strcmp((char *)buf, "bcmerror")) { *(int *)buf = dhd->dongle_error; goto done; } } memset(msg, 0, sizeof(cdc_ioctl_t)); msg->cmd = htol32(cmd); msg->len = htol32(len); msg->flags = (++prot->reqid << CDCF_IOC_ID_SHIFT); CDC_SET_IF_IDX(msg, ifidx); msg->flags = htol32(msg->flags); if (buf) memcpy(prot->buf, buf, len); if ((ret = dhdcdc_msg(dhd)) < 0) { DHD_ERROR(("dhdcdc_query_ioctl: dhdcdc_msg failed w/status %d\n", ret)); goto done; } retry: /* wait for interrupt and get first fragment */ if ((ret = dhdcdc_cmplt(dhd, prot->reqid, len)) < 0) goto done; flags = ltoh32(msg->flags); id = (flags & CDCF_IOC_ID_MASK) >> CDCF_IOC_ID_SHIFT; if ((id < prot->reqid) && (++retries < RETRIES)) goto retry; if (id != prot->reqid) { DHD_ERROR(("%s: %s: unexpected request id %d (expected %d)\n", dhd_ifname(dhd, ifidx), __FUNCTION__, id, prot->reqid)); ret = -EINVAL; goto done; } /* Check info buffer */ info = (void*)&msg[1]; /* Copy info buffer */ if (buf) { if (ret < (int)len) len = ret; memcpy(buf, info, len); } /* Check the ERROR flag */ if (flags & CDCF_IOC_ERROR) { ret = ltoh32(msg->status); /* Cache error from dongle */ dhd->dongle_error = ret; } done: return ret; } static int dhdcdc_set_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf, uint len) { dhd_prot_t *prot = dhd->prot; cdc_ioctl_t *msg = &prot->msg; int ret = 0; uint32 flags, id; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); DHD_CTL(("%s: cmd %d len %d\n", __FUNCTION__, cmd, len)); memset(msg, 0, sizeof(cdc_ioctl_t)); msg->cmd = htol32(cmd); msg->len = htol32(len); msg->flags = (++prot->reqid << CDCF_IOC_ID_SHIFT) | CDCF_IOC_SET; CDC_SET_IF_IDX(msg, ifidx); msg->flags |= htol32(msg->flags); if (buf) memcpy(prot->buf, buf, len); if ((ret = dhdcdc_msg(dhd)) < 0) goto done; if ((ret = dhdcdc_cmplt(dhd, prot->reqid, len)) < 0) goto done; flags = ltoh32(msg->flags); id = (flags & CDCF_IOC_ID_MASK) >> CDCF_IOC_ID_SHIFT; if (id != prot->reqid) { DHD_ERROR(("%s: %s: unexpected request id %d (expected %d)\n", dhd_ifname(dhd, ifidx), __FUNCTION__, id, prot->reqid)); ret = -EINVAL; goto done; } /* Check the ERROR flag */ if (flags & CDCF_IOC_ERROR) { ret = ltoh32(msg->status); /* Cache error from dongle */ dhd->dongle_error = ret; } done: return ret; } extern int dhd_bus_interface(struct dhd_bus *bus, uint arg, void* arg2); int dhd_prot_ioctl(dhd_pub_t *dhd, int ifidx, wl_ioctl_t * ioc, void * buf, int len) { dhd_prot_t *prot = dhd->prot; int ret = -1; if (dhd->busstate == DHD_BUS_DOWN) { DHD_ERROR(("%s : bus is down. we have nothing to do\n", __FUNCTION__)); return ret; } dhd_os_proto_block(dhd); DHD_TRACE(("%s: Enter\n", __FUNCTION__)); ASSERT(len <= WLC_IOCTL_MAXLEN); if (len > WLC_IOCTL_MAXLEN) goto done; if (prot->pending == TRUE) { DHD_TRACE(("CDC packet is pending!!!! cmd=0x%x (%lu) lastcmd=0x%x (%lu)\n", ioc->cmd, (unsigned long)ioc->cmd, prot->lastcmd, (unsigned long)prot->lastcmd)); if ((ioc->cmd == WLC_SET_VAR) || (ioc->cmd == WLC_GET_VAR)) { DHD_TRACE(("iovar cmd=%s\n", (char*)buf)); } goto done; } prot->pending = TRUE; prot->lastcmd = ioc->cmd; if (ioc->set) ret = dhdcdc_set_ioctl(dhd, ifidx, ioc->cmd, buf, len); else { ret = dhdcdc_query_ioctl(dhd, ifidx, ioc->cmd, buf, len); if (ret > 0) ioc->used = ret - sizeof(cdc_ioctl_t); } /* Too many programs assume ioctl() returns 0 on success */ if (ret >= 0) ret = 0; else { cdc_ioctl_t *msg = &prot->msg; ioc->needed = ltoh32(msg->len); /* len == needed when set/query fails from dongle */ } /* Intercept the wme_dp ioctl here */ if ((!ret) && (ioc->cmd == WLC_SET_VAR) && (!strcmp(buf, "wme_dp"))) { int slen, val = 0; slen = strlen("wme_dp") + 1; if (len >= (int)(slen + sizeof(int))) bcopy(((char *)buf + slen), &val, sizeof(int)); dhd->wme_dp = (uint8) ltoh32(val); } prot->pending = FALSE; done: dhd_os_proto_unblock(dhd); return ret; } int dhd_prot_iovar_op(dhd_pub_t *dhdp, const char *name, void *params, int plen, void *arg, int len, bool set) { return BCME_UNSUPPORTED; } void dhd_prot_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf) { bcm_bprintf(strbuf, "Protocol CDC: reqid %d\n", dhdp->prot->reqid); } #ifdef APSTA_PINGTEST extern struct ether_addr guest_eas[MAX_GUEST]; #endif void dhd_prot_hdrpush(dhd_pub_t *dhd, int ifidx, void *pktbuf) { #ifdef BDC struct bdc_header *h; #ifdef APSTA_PINGTEST struct ether_header *eh; int i; #ifdef DHD_DEBUG char eabuf1[ETHER_ADDR_STR_LEN]; char eabuf2[ETHER_ADDR_STR_LEN]; #endif /* DHD_DEBUG */ #endif /* APSTA_PINGTEST */ #endif /* BDC */ DHD_TRACE(("%s: Enter\n", __FUNCTION__)); #ifdef BDC /* Push BDC header used to convey priority for buses that don't */ #ifdef APSTA_PINGTEST eh = (struct ether_header *)PKTDATA(dhd->osh, pktbuf); #endif PKTPUSH(dhd->osh, pktbuf, BDC_HEADER_LEN); h = (struct bdc_header *)PKTDATA(dhd->osh, pktbuf); h->flags = (BDC_PROTO_VER << BDC_FLAG_VER_SHIFT); if (PKTSUMNEEDED(pktbuf)) h->flags |= BDC_FLAG_SUM_NEEDED; h->priority = (PKTPRIO(pktbuf) & BDC_PRIORITY_MASK); h->flags2 = 0; #ifdef APSTA_PINGTEST for (i = 0; i < MAX_GUEST; ++i) { if (!ETHER_ISNULLADDR(eh->ether_dhost) && bcmp(eh->ether_dhost, guest_eas[i].octet, ETHER_ADDR_LEN) == 0) { DHD_TRACE(("send on if 1; sa %s, da %s\n", bcm_ether_ntoa((struct ether_addr *)(eh->ether_shost), eabuf1), bcm_ether_ntoa((struct ether_addr *)(eh->ether_dhost), eabuf2))); /* assume all guest STAs are on interface 1 */ h->flags2 = 1; break; } } #endif /* APSTA_PINGTEST */ h->rssi = 0; #endif /* BDC */ BDC_SET_IF_IDX(h, ifidx); } bool dhd_proto_fcinfo(dhd_pub_t *dhd, void *pktbuf, uint8 *fcbits) { #ifdef BDC struct bdc_header *h; if (PKTLEN(dhd->osh, pktbuf) < BDC_HEADER_LEN) { DHD_ERROR(("%s: rx data too short (%d < %d)\n", __FUNCTION__, PKTLEN(dhd->osh, pktbuf), BDC_HEADER_LEN)); return BCME_ERROR; } h = (struct bdc_header *)PKTDATA(dhd->osh, pktbuf); *fcbits = h->priority >> BDC_PRIORITY_FC_SHIFT; if ((h->flags2 & BDC_FLAG2_FC_FLAG) == BDC_FLAG2_FC_FLAG) return TRUE; #endif return FALSE; } int dhd_prot_hdrpull(dhd_pub_t *dhd, int *ifidx, void *pktbuf) { #ifdef BDC struct bdc_header *h; #endif DHD_TRACE(("%s: Enter\n", __FUNCTION__)); #ifdef BDC /* Pop BDC header used to convey priority for buses that don't */ if (PKTLEN(dhd->osh, pktbuf) < BDC_HEADER_LEN) { DHD_ERROR(("%s: rx data too short (%d < %d)\n", __FUNCTION__, PKTLEN(dhd->osh, pktbuf), BDC_HEADER_LEN)); return BCME_ERROR; } h = (struct bdc_header *)PKTDATA(dhd->osh, pktbuf); if ((*ifidx = BDC_GET_IF_IDX(h)) >= DHD_MAX_IFS) { DHD_ERROR(("%s: rx data ifnum out of range (%d)\n", __FUNCTION__, *ifidx)); return BCME_ERROR; } if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) != BDC_PROTO_VER) { DHD_ERROR(("%s: non-BDC packet received, flags 0x%x\n", dhd_ifname(dhd, *ifidx), h->flags)); return BCME_ERROR; } if (h->flags & BDC_FLAG_SUM_GOOD) { DHD_INFO(("%s: BDC packet received with good rx-csum, flags 0x%x\n", dhd_ifname(dhd, *ifidx), h->flags)); PKTSETSUMGOOD(pktbuf, TRUE); } PKTSETPRIO(pktbuf, (h->priority & BDC_PRIORITY_MASK)); PKTPULL(dhd->osh, pktbuf, BDC_HEADER_LEN); #endif /* BDC */ return 0; } int dhd_prot_attach(dhd_pub_t *dhd) { dhd_prot_t *cdc; #ifndef DHD_USE_STATIC_BUF if (!(cdc = (dhd_prot_t *)MALLOC(dhd->osh, sizeof(dhd_prot_t)))) { DHD_ERROR(("%s: kmalloc failed\n", __FUNCTION__)); goto fail; } #else if (!(cdc = (dhd_prot_t *)dhd_os_prealloc(DHD_PREALLOC_PROT, sizeof(dhd_prot_t)))) { DHD_ERROR(("%s: kmalloc failed\n", __FUNCTION__)); goto fail; } #endif /* DHD_USE_STATIC_BUF */ memset(cdc, 0, sizeof(dhd_prot_t)); /* ensure that the msg buf directly follows the cdc msg struct */ if ((uintptr)(&cdc->msg + 1) != (uintptr)cdc->buf) { DHD_ERROR(("dhd_prot_t is not correctly defined\n")); goto fail; } dhd->prot = cdc; #ifdef BDC dhd->hdrlen += BDC_HEADER_LEN; #endif dhd->maxctl = WLC_IOCTL_MAXLEN + sizeof(cdc_ioctl_t) + ROUND_UP_MARGIN; return 0; fail: #ifndef DHD_USE_STATIC_BUF if (cdc != NULL) MFREE(dhd->osh, cdc, sizeof(dhd_prot_t)); #endif return BCME_NOMEM; } /* ~NOTE~ What if another thread is waiting on the semaphore? Holding it? */ void dhd_prot_detach(dhd_pub_t *dhd) { #ifndef DHD_USE_STATIC_BUF MFREE(dhd->osh, dhd->prot, sizeof(dhd_prot_t)); #endif dhd->prot = NULL; } void dhd_prot_dstats(dhd_pub_t *dhd) { /* No stats from dongle added yet, copy bus stats */ dhd->dstats.tx_packets = dhd->tx_packets; dhd->dstats.tx_errors = dhd->tx_errors; dhd->dstats.rx_packets = dhd->rx_packets; dhd->dstats.rx_errors = dhd->rx_errors; dhd->dstats.rx_dropped = dhd->rx_dropped; dhd->dstats.multicast = dhd->rx_multicast; return; } int dhd_set_suspend(int value, dhd_pub_t *dhd) { int power_mode = PM_MAX; wl_pkt_filter_enable_t enable_parm; char iovbuf[32]; int bcn_li_dtim = 3; #ifdef CUSTOMER_HW2 uint roamvar = 1; #endif /* CUSTOMER_HW2 */ #define htod32(i) i if (dhd && dhd->up) { dhd_os_proto_block(dhd); if (value) { dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode)); /* Enable packet filter, only allow unicast packet to send up */ enable_parm.id = htod32(100); enable_parm.enable = htod32(1); bcm_mkiovar("pkt_filter_enable", (char *)&enable_parm, sizeof(wl_pkt_filter_enable_t), iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); /* set bcn_li_dtim */ bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); #ifdef CUSTOMER_HW2 /* Disable build-in roaming to allowed ext supplicant to take of romaing */ bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); #endif /* CUSTOMER_HW2 */ } else { power_mode = PM_FAST; dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode)); /* disable pkt filter */ enable_parm.id = htod32(100); enable_parm.enable = htod32(0); bcm_mkiovar("pkt_filter_enable", (char *)&enable_parm, sizeof(wl_pkt_filter_enable_t), iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); /* set bcn_li_dtim */ bcn_li_dtim = 0; bcm_mkiovar("bcn_li_dtim", (char *)&bcn_li_dtim, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); #ifdef CUSTOMER_HW2 roamvar = 0; bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); #endif /* CUSTOMER_HW2 */ } dhd_os_proto_unblock(dhd); } return 0; } #define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base)) /* 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) { printf("Mask invalid format. Needs to start with 0x\n"); return -1; } src = src + 2; /* Skip past 0x */ if (strlen(src) % 2 != 0) { printf("Mask invalid format. Needs to be of even length\n"); return -1; } for (i = 0; *src != '\0'; i++) { char num[3]; strncpy(num, src, 2); num[2] = '\0'; dst[i] = (uint8)strtoul(num, NULL, 16); src += 2; } return i; } int dhd_preinit_ioctls(dhd_pub_t *dhd) { char eventmask[WL_EVENTING_MASK_LEN]; char iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ int ret; uint up = 0; #ifdef CUSTOMER_HW2 uint roamvar = 0; #else uint roamvar = 1; #endif uint power_mode = PM_FAST; uint32 dongle_align = DHD_SDALIGN; uint32 glom = 0; uint bcn_timeout = 3; int arpoe = 1; int arp_ol = 0xf; int scan_assoc_time = 40; int scan_unassoc_time = 80; const char *str; wl_pkt_filter_t pkt_filter; wl_pkt_filter_t *pkt_filterp; int buf_len; int str_len; uint32 mask_size; uint32 pattern_size; char buf[256]; uint filter_mode = 1; char mac_buf[16]; #ifdef SET_RANDOM_MAC_SOFTAP uint rand_mac; #endif dhd_os_proto_block(dhd); /* Get the device MAC address */ strcpy(iovbuf, "cur_etheraddr"); if ((ret = dhdcdc_query_ioctl(dhd, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf))) < 0) { DHD_ERROR(("%s: can't get MAC address , error=%d\n", __FUNCTION__, ret)); dhd_os_proto_unblock(dhd); return BCME_NOTUP; } memcpy(dhd->mac.octet, iovbuf, ETHER_ADDR_LEN); #ifdef SET_RANDOM_MAC_SOFTAP if (strstr(fw_path, "apsta") != NULL) { srandom32((uint)jiffies); rand_mac = random32(); iovbuf[0] |= 0x02; /* locally administered bit */ iovbuf[3] = (unsigned char)rand_mac; iovbuf[4] = (unsigned char)(rand_mac >> 8); iovbuf[5] = (unsigned char)(rand_mac >> 16); printk("Broadcom Dongle Host Driver mac=%02x:%02x:%02x:%02x:%02x:%02x\n", iovbuf[0], iovbuf[1], iovbuf[2], iovbuf[3], iovbuf[4], iovbuf[5]); bcm_mkiovar("cur_etheraddr", (void *)iovbuf, ETHER_ADDR_LEN, buf, sizeof(buf)); ret = dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, buf, sizeof(buf)); if (ret < 0) { DHD_ERROR(("%s: can't set MAC address , error=%d\n", __FUNCTION__, ret)); } else { memcpy(dhd->mac.octet, iovbuf, ETHER_ADDR_LEN); } } #endif /* SET_RANDOM_MAC_SOFTAP */ /* Set Country code */ if (dhd->country_code[0] != 0) { if (dhdcdc_set_ioctl(dhd, 0, WLC_SET_COUNTRY, dhd->country_code, sizeof(dhd->country_code)) < 0) { DHD_ERROR(("%s: country code setting failed\n", __FUNCTION__)); } } /* Set PowerSave mode */ dhdcdc_set_ioctl(dhd, 0, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode)); /* Match Host and Dongle rx alignment */ bcm_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); /* disable glom option per default */ bcm_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); /* Setup timeout if Beacons are lost and roam is off to report link down */ if (roamvar) { bcm_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); } /* Enable/Disable build-in roaming to allowed ext supplicant to take of romaing */ bcm_mkiovar("roam_off", (char *)&roamvar, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); /* Force STA UP */ dhdcdc_set_ioctl(dhd, 0, WLC_UP, (char *)&up, sizeof(up)); /* Setup event_msgs */ bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); dhdcdc_query_ioctl(dhd, 0, WLC_GET_VAR, iovbuf, sizeof(iovbuf)); bcopy(iovbuf, eventmask, WL_EVENTING_MASK_LEN); setbit(eventmask, WLC_E_SET_SSID); setbit(eventmask, WLC_E_PRUNE); setbit(eventmask, WLC_E_AUTH); setbit(eventmask, WLC_E_REASSOC); setbit(eventmask, WLC_E_REASSOC_IND); setbit(eventmask, WLC_E_DEAUTH_IND); setbit(eventmask, WLC_E_DISASSOC_IND); setbit(eventmask, WLC_E_DISASSOC); setbit(eventmask, WLC_E_JOIN); setbit(eventmask, WLC_E_ASSOC_IND); setbit(eventmask, WLC_E_PSK_SUP); setbit(eventmask, WLC_E_LINK); setbit(eventmask, WLC_E_NDIS_LINK); setbit(eventmask, WLC_E_MIC_ERROR); setbit(eventmask, WLC_E_PMKID_CACHE); setbit(eventmask, WLC_E_TXFAIL); setbit(eventmask, WLC_E_JOIN_START); setbit(eventmask, WLC_E_SCAN_COMPLETE); bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_SCAN_CHANNEL_TIME, (char *)&scan_assoc_time, sizeof(scan_assoc_time)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_SCAN_UNASSOC_TIME, (char *)&scan_unassoc_time, sizeof(scan_unassoc_time)); /* Set ARP offload */ bcm_mkiovar("arpoe", (char *)&arpoe, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); bcm_mkiovar("arp_ol", (char *)&arp_ol, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); /* add a default packet filter pattern */ str = "pkt_filter_add"; str_len = strlen(str); strncpy(buf, 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(100); /* Parse filter polarity. */ pkt_filter.negate_match = htod32(0); /* Parse filter type. */ pkt_filter.type = htod32(0); /* Parse pattern filter offset. */ pkt_filter.u.pattern.offset = htod32(0); /* Parse pattern filter mask. */ mask_size = htod32(wl_pattern_atoh("0xffffffffffff", (char *) pkt_filterp->u.pattern.mask_and_pattern)); /* Parse pattern filter pattern. */ sprintf( mac_buf, "0x%02x%02x%02x%02x%02x%02x", dhd->mac.octet[0], dhd->mac.octet[1], dhd->mac.octet[2], dhd->mac.octet[3], dhd->mac.octet[4], dhd->mac.octet[5] ); pattern_size = htod32(wl_pattern_atoh(mac_buf, (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")); dhd_os_proto_unblock(dhd); return -EINVAL; } 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); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, buf, buf_len); /* set mode to allow pattern */ bcm_mkiovar("pkt_filter_mode", (char *)&filter_mode, 4, iovbuf, sizeof(iovbuf)); dhdcdc_set_ioctl(dhd, 0, WLC_SET_VAR, iovbuf, sizeof(iovbuf)); dhd_os_proto_unblock(dhd); return 0; } int dhd_prot_init(dhd_pub_t *dhd) { int ret = 0; DHD_TRACE(("%s: Enter\n", __FUNCTION__)); ret = dhd_preinit_ioctls(dhd); /* Always assumes wl for now */ dhd->iswl = TRUE; return ret; } void dhd_prot_stop(dhd_pub_t *dhd) { /* Nothing to do for CDC */ }