/* * Copyright (c) 2010 Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include "dhd.h" #include "dhd_bus.h" #include "dhd_proto.h" #include "dhd_dbg.h" #define BRCM_OUI "\x00\x10\x18" #define DOT11_OUI_LEN 3 #define BCMILCP_BCM_SUBTYPE_EVENT 1 #define PKTFILTER_BUF_SIZE 2048 #define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */ int brcmf_msg_level; #define MSGTRACE_VERSION 1 #define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter_le, u) #define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \ offsetof(struct brcmf_pkt_filter_pattern_le, mask_and_pattern) #ifdef BCMDBG static const char brcmf_version[] = "Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on " __DATE__ " at " __TIME__; #else static const char brcmf_version[] = "Dongle Host Driver, version " BRCMF_VERSION_STR; #endif /* Message trace header */ struct msgtrace_hdr { u8 version; u8 spare; __be16 len; /* Len of the trace */ __be32 seqnum; /* Sequence number of message. Useful * if the messsage has been lost * because of DMA error or a bus reset * (ex: SDIO Func2) */ __be32 discarded_bytes; /* Number of discarded bytes because of trace overflow */ __be32 discarded_printf; /* Number of discarded printf because of trace overflow */ } __packed; uint brcmf_c_mkiovar(char *name, char *data, uint datalen, char *buf, uint buflen) { uint len; len = strlen(name) + 1; if ((len + datalen) > buflen) return 0; strncpy(buf, name, buflen); /* append data onto the end of the name string */ memcpy(&buf[len], data, datalen); len += datalen; return len; } void brcmf_c_init(void) { /* Init global variables at run-time, not as part of the declaration. * This is required to support init/de-init of the driver. * Initialization * of globals as part of the declaration results in non-deterministic * behaviour since the value of the globals may be different on the * first time that the driver is initialized vs subsequent * initializations. */ brcmf_msg_level = BRCMF_ERROR_VAL; } bool brcmf_c_prec_enq(struct brcmf_pub *drvr, struct pktq *q, struct sk_buff *pkt, int prec) { struct sk_buff *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)) { brcmu_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)) { p = brcmu_pktq_peek_tail(q, &eprec); if (eprec > prec) return false; } /* Evict if needed */ if (eprec >= 0) { /* Detect queueing to unconfigured precedence */ discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec); if (eprec == prec && !discard_oldest) return false; /* refuse newer (incoming) packet */ /* Evict packet according to discard policy */ p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) : brcmu_pktq_pdeq_tail(q, eprec); if (p == NULL) brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n", discard_oldest); brcmu_pkt_buf_free_skb(p); } /* Enqueue */ p = brcmu_pktq_penq(q, prec, pkt); if (p == NULL) brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n"); return p != NULL; } #ifdef BCMDBG static void brcmf_c_show_host_event(struct brcmf_event_msg *event, void *event_data) { uint i, status, reason; bool group = false, flush_txq = false, link = false; char *auth_str, *event_name; unsigned char *buf; char err_msg[256], eabuf[ETHER_ADDR_STR_LEN]; static struct { uint event; char *event_name; } event_names[] = { { BRCMF_E_SET_SSID, "SET_SSID"}, { BRCMF_E_JOIN, "JOIN"}, { BRCMF_E_START, "START"}, { BRCMF_E_AUTH, "AUTH"}, { BRCMF_E_AUTH_IND, "AUTH_IND"}, { BRCMF_E_DEAUTH, "DEAUTH"}, { BRCMF_E_DEAUTH_IND, "DEAUTH_IND"}, { BRCMF_E_ASSOC, "ASSOC"}, { BRCMF_E_ASSOC_IND, "ASSOC_IND"}, { BRCMF_E_REASSOC, "REASSOC"}, { BRCMF_E_REASSOC_IND, "REASSOC_IND"}, { BRCMF_E_DISASSOC, "DISASSOC"}, { BRCMF_E_DISASSOC_IND, "DISASSOC_IND"}, { BRCMF_E_QUIET_START, "START_QUIET"}, { BRCMF_E_QUIET_END, "END_QUIET"}, { BRCMF_E_BEACON_RX, "BEACON_RX"}, { BRCMF_E_LINK, "LINK"}, { BRCMF_E_MIC_ERROR, "MIC_ERROR"}, { BRCMF_E_NDIS_LINK, "NDIS_LINK"}, { BRCMF_E_ROAM, "ROAM"}, { BRCMF_E_TXFAIL, "TXFAIL"}, { BRCMF_E_PMKID_CACHE, "PMKID_CACHE"}, { BRCMF_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, { BRCMF_E_PRUNE, "PRUNE"}, { BRCMF_E_AUTOAUTH, "AUTOAUTH"}, { BRCMF_E_EAPOL_MSG, "EAPOL_MSG"}, { BRCMF_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, { BRCMF_E_ADDTS_IND, "ADDTS_IND"}, { BRCMF_E_DELTS_IND, "DELTS_IND"}, { BRCMF_E_BCNSENT_IND, "BCNSENT_IND"}, { BRCMF_E_BCNRX_MSG, "BCNRX_MSG"}, { BRCMF_E_BCNLOST_MSG, "BCNLOST_MSG"}, { BRCMF_E_ROAM_PREP, "ROAM_PREP"}, { BRCMF_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, { BRCMF_E_PFN_NET_LOST, "PNO_NET_LOST"}, { BRCMF_E_RESET_COMPLETE, "RESET_COMPLETE"}, { BRCMF_E_JOIN_START, "JOIN_START"}, { BRCMF_E_ROAM_START, "ROAM_START"}, { BRCMF_E_ASSOC_START, "ASSOC_START"}, { BRCMF_E_IBSS_ASSOC, "IBSS_ASSOC"}, { BRCMF_E_RADIO, "RADIO"}, { BRCMF_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, { BRCMF_E_PROBREQ_MSG, "PROBREQ_MSG"}, { BRCMF_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, { BRCMF_E_PSK_SUP, "PSK_SUP"}, { BRCMF_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, { BRCMF_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, { BRCMF_E_ICV_ERROR, "ICV_ERROR"}, { BRCMF_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, { BRCMF_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, { BRCMF_E_TRACE, "TRACE"}, { BRCMF_E_ACTION_FRAME, "ACTION FRAME"}, { BRCMF_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, { BRCMF_E_IF, "IF"}, { BRCMF_E_RSSI, "RSSI"}, { BRCMF_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"} }; uint event_type, flags, auth_type, datalen; static u32 seqnum_prev; struct msgtrace_hdr hdr; u32 nblost; char *s, *p; event_type = be32_to_cpu(event->event_type); flags = be16_to_cpu(event->flags); status = be32_to_cpu(event->status); reason = be32_to_cpu(event->reason); auth_type = be32_to_cpu(event->auth_type); datalen = be32_to_cpu(event->datalen); /* debug dump of event messages */ sprintf(eabuf, "%pM", event->addr); event_name = "UNKNOWN"; for (i = 0; i < ARRAY_SIZE(event_names); i++) { if (event_names[i].event == event_type) event_name = event_names[i].event_name; } brcmf_dbg(EVENT, "EVENT: %s, event ID = %d\n", event_name, event_type); brcmf_dbg(EVENT, "flags 0x%04x, status %d, reason %d, auth_type %d MAC %s\n", flags, status, reason, auth_type, eabuf); if (flags & BRCMF_EVENT_MSG_LINK) link = true; if (flags & BRCMF_EVENT_MSG_GROUP) group = true; if (flags & BRCMF_EVENT_MSG_FLUSHTXQ) flush_txq = true; switch (event_type) { case BRCMF_E_START: case BRCMF_E_DEAUTH: case BRCMF_E_DISASSOC: brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); break; case BRCMF_E_ASSOC_IND: case BRCMF_E_REASSOC_IND: brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); break; case BRCMF_E_ASSOC: case BRCMF_E_REASSOC: if (status == BRCMF_E_STATUS_SUCCESS) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, SUCCESS\n", event_name, eabuf); else if (status == BRCMF_E_STATUS_TIMEOUT) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, TIMEOUT\n", event_name, eabuf); else if (status == BRCMF_E_STATUS_FAIL) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, FAILURE, reason %d\n", event_name, eabuf, (int)reason); else brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, unexpected status %d\n", event_name, eabuf, (int)status); break; case BRCMF_E_DEAUTH_IND: case BRCMF_E_DISASSOC_IND: brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, reason %d\n", event_name, eabuf, (int)reason); break; case BRCMF_E_AUTH: case BRCMF_E_AUTH_IND: if (auth_type == WLAN_AUTH_OPEN) auth_str = "Open System"; else if (auth_type == WLAN_AUTH_SHARED_KEY) auth_str = "Shared Key"; else { sprintf(err_msg, "AUTH unknown: %d", (int)auth_type); auth_str = err_msg; } if (event_type == BRCMF_E_AUTH_IND) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s\n", event_name, eabuf, auth_str); else if (status == BRCMF_E_STATUS_SUCCESS) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, SUCCESS\n", event_name, eabuf, auth_str); else if (status == BRCMF_E_STATUS_TIMEOUT) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, TIMEOUT\n", event_name, eabuf, auth_str); else if (status == BRCMF_E_STATUS_FAIL) { brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n", event_name, eabuf, auth_str, (int)reason); } break; case BRCMF_E_JOIN: case BRCMF_E_ROAM: case BRCMF_E_SET_SSID: if (status == BRCMF_E_STATUS_SUCCESS) brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); else if (status == BRCMF_E_STATUS_FAIL) brcmf_dbg(EVENT, "MACEVENT: %s, failed\n", event_name); else if (status == BRCMF_E_STATUS_NO_NETWORKS) brcmf_dbg(EVENT, "MACEVENT: %s, no networks found\n", event_name); else brcmf_dbg(EVENT, "MACEVENT: %s, unexpected status %d\n", event_name, (int)status); break; case BRCMF_E_BEACON_RX: if (status == BRCMF_E_STATUS_SUCCESS) brcmf_dbg(EVENT, "MACEVENT: %s, SUCCESS\n", event_name); else if (status == BRCMF_E_STATUS_FAIL) brcmf_dbg(EVENT, "MACEVENT: %s, FAIL\n", event_name); else brcmf_dbg(EVENT, "MACEVENT: %s, status %d\n", event_name, status); break; case BRCMF_E_LINK: brcmf_dbg(EVENT, "MACEVENT: %s %s\n", event_name, link ? "UP" : "DOWN"); break; case BRCMF_E_MIC_ERROR: brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, Group %d, Flush %d\n", event_name, eabuf, group, flush_txq); break; case BRCMF_E_ICV_ERROR: case BRCMF_E_UNICAST_DECODE_ERROR: case BRCMF_E_MULTICAST_DECODE_ERROR: brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf); break; case BRCMF_E_TXFAIL: brcmf_dbg(EVENT, "MACEVENT: %s, RA %s\n", event_name, eabuf); break; case BRCMF_E_SCAN_COMPLETE: case BRCMF_E_PMKID_CACHE: brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name); break; case BRCMF_E_PFN_NET_FOUND: case BRCMF_E_PFN_NET_LOST: case BRCMF_E_PFN_SCAN_COMPLETE: brcmf_dbg(EVENT, "PNOEVENT: %s\n", event_name); break; case BRCMF_E_PSK_SUP: case BRCMF_E_PRUNE: brcmf_dbg(EVENT, "MACEVENT: %s, status %d, reason %d\n", event_name, (int)status, (int)reason); break; case BRCMF_E_TRACE: buf = (unsigned char *) event_data; memcpy(&hdr, buf, sizeof(struct msgtrace_hdr)); if (hdr.version != MSGTRACE_VERSION) { brcmf_dbg(ERROR, "MACEVENT: %s [unsupported version --> brcmf" " 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 + sizeof(struct msgtrace_hdr) + be16_to_cpu(hdr.len)) = '\0'; if (be32_to_cpu(hdr.discarded_bytes) || be32_to_cpu(hdr.discarded_printf)) brcmf_dbg(ERROR, "WLC_E_TRACE: [Discarded traces in dongle -->" " discarded_bytes %d discarded_printf %d]\n", be32_to_cpu(hdr.discarded_bytes), be32_to_cpu(hdr.discarded_printf)); nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1; if (nblost > 0) brcmf_dbg(ERROR, "WLC_E_TRACE: [Event lost --> seqnum " " %d nblost %d\n", be32_to_cpu(hdr.seqnum), nblost); seqnum_prev = be32_to_cpu(hdr.seqnum); /* Display the trace buffer. Advance from \n to \n to * avoid display big * printf (issue with Linux printk ) */ p = (char *)&buf[sizeof(struct msgtrace_hdr)]; while ((s = strstr(p, "\n")) != NULL) { *s = '\0'; printk(KERN_DEBUG"%s\n", p); p = s + 1; } printk(KERN_DEBUG "%s\n", p); /* Reset datalen to avoid display below */ datalen = 0; break; case BRCMF_E_RSSI: brcmf_dbg(EVENT, "MACEVENT: %s %d\n", event_name, be32_to_cpu(*((__be32 *)event_data))); break; default: brcmf_dbg(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 = (unsigned char *) event_data; brcmf_dbg(EVENT, " data (%d) : ", datalen); for (i = 0; i < datalen; i++) brcmf_dbg(EVENT, " 0x%02x ", *buf++); brcmf_dbg(EVENT, "\n"); } } #endif /* BCMDBG */ int brcmf_c_host_event(struct brcmf_info *drvr_priv, int *ifidx, void *pktdata, struct brcmf_event_msg *event, void **data_ptr) { /* check whether packet is a BRCM event pkt */ struct brcmf_event *pvt_data = (struct brcmf_event *) pktdata; struct brcmf_if_event *ifevent; char *event_data; u32 type, status; u16 flags; int evlen; if (memcmp(BRCM_OUI, &pvt_data->hdr.oui[0], DOT11_OUI_LEN)) { brcmf_dbg(ERROR, "mismatched OUI, bailing\n"); return -EBADE; } /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */ if (get_unaligned_be16(&pvt_data->hdr.usr_subtype) != BCMILCP_BCM_SUBTYPE_EVENT) { brcmf_dbg(ERROR, "mismatched subtype, bailing\n"); return -EBADE; } *data_ptr = &pvt_data[1]; event_data = *data_ptr; /* memcpy since BRCM event pkt may be unaligned. */ memcpy(event, &pvt_data->msg, sizeof(struct brcmf_event_msg)); type = get_unaligned_be32(&event->event_type); flags = get_unaligned_be16(&event->flags); status = get_unaligned_be32(&event->status); evlen = get_unaligned_be32(&event->datalen) + sizeof(struct brcmf_event); switch (type) { case BRCMF_E_IF: ifevent = (struct brcmf_if_event *) event_data; brcmf_dbg(TRACE, "if event\n"); if (ifevent->ifidx > 0 && ifevent->ifidx < BRCMF_MAX_IFS) { if (ifevent->action == BRCMF_E_IF_ADD) brcmf_add_if(drvr_priv, ifevent->ifidx, event->ifname, pvt_data->eth.h_dest); else brcmf_del_if(drvr_priv, ifevent->ifidx); } else { brcmf_dbg(ERROR, "Invalid ifidx %d for %s\n", ifevent->ifidx, event->ifname); } /* send up the if event: btamp user needs it */ *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname); break; /* These are what external supplicant/authenticator wants */ case BRCMF_E_LINK: case BRCMF_E_ASSOC_IND: case BRCMF_E_REASSOC_IND: case BRCMF_E_DISASSOC_IND: case BRCMF_E_MIC_ERROR: default: /* Fall through: this should get _everything_ */ *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname); brcmf_dbg(TRACE, "MAC event %d, flags %x, status %x\n", type, flags, status); /* put it back to BRCMF_E_NDIS_LINK */ if (type == BRCMF_E_NDIS_LINK) { u32 temp1; __be32 temp2; temp1 = get_unaligned_be32(&event->event_type); brcmf_dbg(TRACE, "Converted to WLC_E_LINK type %d\n", temp1); temp2 = cpu_to_be32(BRCMF_E_NDIS_LINK); memcpy((void *)(&pvt_data->msg.event_type), &temp2, sizeof(pvt_data->msg.event_type)); } break; } #ifdef BCMDBG brcmf_c_show_host_event(event, event_data); #endif /* BCMDBG */ return 0; } /* Convert user's input in hex pattern to byte-size mask */ static int brcmf_c_pattern_atoh(char *src, char *dst) { int i; if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) { brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n"); return -EINVAL; } src = src + 2; /* Skip past 0x */ if (strlen(src) % 2 != 0) { brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n"); return -EINVAL; } for (i = 0; *src != '\0'; i++) { unsigned long res; char num[3]; strncpy(num, src, 2); num[2] = '\0'; if (kstrtoul(num, 16, &res)) return -EINVAL; dst[i] = (u8)res; src += 2; } return i; } void brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable, int master_mode) { unsigned long res; char *argv[8]; int i = 0; const char *str; int buf_len; int str_len; char *arg_save = NULL, *arg_org = NULL; int rc; char buf[128]; struct brcmf_pkt_filter_enable_le enable_parm; struct brcmf_pkt_filter_enable_le *pkt_filterp; __le32 mmode_le; arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC); if (!arg_save) goto fail; arg_org = arg_save; memcpy(arg_save, arg, strlen(arg) + 1); argv[i] = strsep(&arg_save, " "); i = 0; if (NULL == argv[i]) { brcmf_dbg(ERROR, "No args provided\n"); goto fail; } str = "pkt_filter_enable"; str_len = strlen(str); strncpy(buf, str, str_len); buf[str_len] = '\0'; buf_len = str_len + 1; pkt_filterp = (struct brcmf_pkt_filter_enable_le *) (buf + str_len + 1); /* Parse packet filter id. */ enable_parm.id = 0; if (!kstrtoul(argv[i], 0, &res)) enable_parm.id = cpu_to_le32((u32)res); /* Parse enable/disable value. */ enable_parm.enable = cpu_to_le32(enable); buf_len += sizeof(enable_parm); memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm)); /* Enable/disable the specified filter. */ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len); rc = rc >= 0 ? 0 : rc; if (rc) brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n", arg, rc); else brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg); /* Contorl the master mode */ mmode_le = cpu_to_le32(master_mode); brcmf_c_mkiovar("pkt_filter_mode", (char *)&mmode_le, 4, buf, sizeof(buf)); rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, sizeof(buf)); rc = rc >= 0 ? 0 : rc; if (rc) brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n", arg, rc); fail: kfree(arg_org); } void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg) { const char *str; struct brcmf_pkt_filter_le pkt_filter; struct brcmf_pkt_filter_le *pkt_filterp; unsigned long res; int buf_len; int str_len; int rc; u32 mask_size; u32 pattern_size; char *argv[8], *buf = NULL; int i = 0; char *arg_save = NULL, *arg_org = NULL; arg_save = kstrdup(arg, GFP_ATOMIC); if (!arg_save) goto fail; arg_org = arg_save; buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC); if (!buf) goto fail; argv[i] = strsep(&arg_save, " "); while (argv[i++]) argv[i] = strsep(&arg_save, " "); i = 0; if (NULL == argv[i]) { brcmf_dbg(ERROR, "No args provided\n"); goto fail; } str = "pkt_filter_add"; strcpy(buf, str); str_len = strlen(str); buf_len = str_len + 1; pkt_filterp = (struct brcmf_pkt_filter_le *) (buf + str_len + 1); /* Parse packet filter id. */ pkt_filter.id = 0; if (!kstrtoul(argv[i], 0, &res)) pkt_filter.id = cpu_to_le32((u32)res); if (NULL == argv[++i]) { brcmf_dbg(ERROR, "Polarity not provided\n"); goto fail; } /* Parse filter polarity. */ pkt_filter.negate_match = 0; if (!kstrtoul(argv[i], 0, &res)) pkt_filter.negate_match = cpu_to_le32((u32)res); if (NULL == argv[++i]) { brcmf_dbg(ERROR, "Filter type not provided\n"); goto fail; } /* Parse filter type. */ pkt_filter.type = 0; if (!kstrtoul(argv[i], 0, &res)) pkt_filter.type = cpu_to_le32((u32)res); if (NULL == argv[++i]) { brcmf_dbg(ERROR, "Offset not provided\n"); goto fail; } /* Parse pattern filter offset. */ pkt_filter.u.pattern.offset = 0; if (!kstrtoul(argv[i], 0, &res)) pkt_filter.u.pattern.offset = cpu_to_le32((u32)res); if (NULL == argv[++i]) { brcmf_dbg(ERROR, "Bitmask not provided\n"); goto fail; } /* Parse pattern filter mask. */ mask_size = brcmf_c_pattern_atoh (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern); if (NULL == argv[++i]) { brcmf_dbg(ERROR, "Pattern not provided\n"); goto fail; } /* Parse pattern filter pattern. */ pattern_size = brcmf_c_pattern_atoh(argv[i], (char *)&pkt_filterp->u.pattern. mask_and_pattern[mask_size]); if (mask_size != pattern_size) { brcmf_dbg(ERROR, "Mask and pattern not the same size\n"); goto fail; } pkt_filter.u.pattern.size_bytes = cpu_to_le32(mask_size); buf_len += BRCMF_PKT_FILTER_FIXED_LEN; buf_len += (BRCMF_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, BRCMF_PKT_FILTER_FIXED_LEN + BRCMF_PKT_FILTER_PATTERN_FIXED_LEN); rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len); rc = rc >= 0 ? 0 : rc; if (rc) brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n", arg, rc); else brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg); fail: kfree(arg_org); kfree(buf); } static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode) { char iovbuf[32]; int retcode; brcmf_c_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf)); retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); retcode = retcode >= 0 ? 0 : retcode; if (retcode) brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, retcode = %d\n", arp_mode, retcode); else brcmf_dbg(TRACE, "successfully set ARP offload mode to 0x%x\n", arp_mode); } static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable) { char iovbuf[32]; int retcode; brcmf_c_mkiovar("arpoe", (char *)&arp_enable, 4, iovbuf, sizeof(iovbuf)); retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); retcode = retcode >= 0 ? 0 : retcode; if (retcode) brcmf_dbg(TRACE, "failed to enable ARP offload to %d, retcode = %d\n", arp_enable, retcode); else brcmf_dbg(TRACE, "successfully enabled ARP offload to %d\n", arp_enable); } int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) { char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ uint up = 0; char buf[128], *ptr; u32 dongle_align = BRCMF_SDALIGN; u32 glom = 0; u32 roaming = 1; uint bcn_timeout = 3; int scan_assoc_time = 40; int scan_unassoc_time = 40; int i; brcmf_os_proto_block(drvr); /* Set Country code */ if (drvr->country_code[0] != 0) { if (brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_COUNTRY, drvr->country_code, sizeof(drvr->country_code)) < 0) brcmf_dbg(ERROR, "country code setting failed\n"); } /* query for 'ver' to get version info from firmware */ memset(buf, 0, sizeof(buf)); ptr = buf; brcmf_c_mkiovar("ver", NULL, 0, buf, sizeof(buf)); brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, buf, sizeof(buf)); strsep(&ptr, "\n"); /* Print fw version info */ brcmf_dbg(ERROR, "Firmware version = %s\n", buf); /* Match Host and Dongle rx alignment */ brcmf_c_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); /* disable glom option per default */ brcmf_c_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); /* Setup timeout if Beacons are lost and roam is off to report link down */ brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); /* Enable/Disable build-in roaming to allowed ext supplicant to take of romaing */ brcmf_c_mkiovar("roam_off", (char *)&roaming, 4, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); /* Force STA UP */ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up)); /* Setup event_msgs */ brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME, (char *)&scan_assoc_time, sizeof(scan_assoc_time)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME, (char *)&scan_unassoc_time, sizeof(scan_unassoc_time)); /* Set and enable ARP offload feature */ brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE); brcmf_c_arp_offload_enable(drvr, true); /* Set up pkt filter */ for (i = 0; i < drvr->pktfilter_count; i++) { brcmf_c_pktfilter_offload_set(drvr, drvr->pktfilter[i]); brcmf_c_pktfilter_offload_enable(drvr, drvr->pktfilter[i], 0, true); } brcmf_os_proto_unblock(drvr); return 0; }