- 根目录:
- drivers
- net
- wireless
- bcmdhd
- dhd_common.c
/*
* Broadcom Dongle Host Driver (DHD), common DHD core.
*
* Copyright (C) 1999-2013, 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 419132 2013-08-19 21:33:05Z $
*/
#include <typedefs.h>
#include <osl.h>
#include <epivers.h>
#include <bcmutils.h>
#include <bcmendian.h>
#include <dngl_stats.h>
#include <wlioctl.h>
#include <dhd.h>
#include <dhd_ip.h>
#include <proto/bcmevent.h>
#include <proto/bcmip.h>
#include <dhd_bus.h>
#include <dhd_proto.h>
#include <dhd_dbg.h>
#include <msgtrace.h>
#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif
#ifdef SET_RANDOM_MAC_SOFTAP
#include <linux/random.h>
#include <linux/jiffies.h>
#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 <wlfc_proto.h>
#include <dhd_wlfc.h>
#endif
#ifdef WLMEDIA_HTSF
extern void htsf_update(struct dhd_info *dhd, void *data);
#endif
int dhd_msg_level = DHD_ERROR_VAL;
#include <wl_iw.h>
char fw_path[MOD_PARAM_PATHLEN];
char nv_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_MSGLEVEL,
IOV_BCMERRORSTR,
IOV_BCMERROR,
IOV_WDTICK,
IOV_DUMP,
IOV_CLEARCOUNTS,
IOV_LOGDUMP,
IOV_LOGCAL,
IOV_LOGSTAMP,
IOV_GPIOOB,
IOV_IOCTLTIMEOUT,
#if defined(DHD_DEBUG)
IOV_CONS,
IOV_DCONSOLE_POLL,
#endif /* defined(DHD_DEBUG) */
#ifdef PROP_TXSTATUS
IOV_PROPTXSTATUS_ENABLE,
IOV_PROPTXSTATUS_MODE,
IOV_PROPTXSTATUS_OPT,
#endif /* PROP_TXSTATUS */
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) },
#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 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 },
{"proptx_opt", IOV_PROPTXSTATUS_OPT, 0, IOVT_UINT32, 0 },
#endif /* PROP_TXSTATUS */
{"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 }
};
#define DHD_IOVAR_BUF_SIZE 128
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 SOFTAP
fw_path2[0] = '\0';
#endif
}
void
dhd_common_deinit(dhd_pub_t *dhd_pub, dhd_cmn_t *sa_cmn)
{
osl_t *osh;
dhd_cmn_t *cmn;
if (dhd_pub != NULL)
cmn = dhd_pub->cmn;
else
cmn = sa_cmn;
if (!cmn)
return;
osh = cmn->osh;
if (dhd_pub != NULL)
dhd_pub->cmn = NULL;
MFREE(osh, cmn, sizeof(dhd_cmn_t));
}
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 %u pub.maxctl %u pub.rxsz %u\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 %u\n", dhdp->bcmerror, dhdp->tickcnt);
bcm_bprintf(strbuf, "dongle stats:\n");
bcm_bprintf(strbuf, "tx_packets %lu tx_bytes %lu tx_errors %lu tx_dropped %lu\n",
dhdp->dstats.tx_packets, dhdp->dstats.tx_bytes,
dhdp->dstats.tx_errors, dhdp->dstats.tx_dropped);
bcm_bprintf(strbuf, "rx_packets %lu rx_bytes %lu rx_errors %lu rx_dropped %lu\n",
dhdp->dstats.rx_packets, dhdp->dstats.rx_bytes,
dhdp->dstats.rx_errors, dhdp->dstats.rx_dropped);
bcm_bprintf(strbuf, "multicast %lu\n", dhdp->dstats.multicast);
bcm_bprintf(strbuf, "bus stats:\n");
bcm_bprintf(strbuf, "tx_packets %lu tx_multicast %lu tx_errors %lu\n",
dhdp->tx_packets, dhdp->tx_multicast, dhdp->tx_errors);
bcm_bprintf(strbuf, "tx_ctlpkts %lu tx_ctlerrs %lu\n",
dhdp->tx_ctlpkts, dhdp->tx_ctlerrs);
bcm_bprintf(strbuf, "rx_packets %lu rx_multicast %lu rx_errors %lu \n",
dhdp->rx_packets, dhdp->rx_multicast, dhdp->rx_errors);
bcm_bprintf(strbuf, "rx_ctlpkts %lu rx_ctlerrs %lu rx_dropped %lu\n",
dhdp->rx_ctlpkts, dhdp->rx_ctlerrs, dhdp->rx_dropped);
bcm_bprintf(strbuf, "rx_readahead_cnt %lu tx_realloc %lu\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 = 0;
if (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);
if (ret == -ETIMEDOUT && !dhd_pub->up) {
DHD_ERROR(("%s: 'resumed on timeout' error is "
"occurred before the interface does not"
" bring up\n", __FUNCTION__));
dhd_pub->busstate = DHD_BUS_DOWN;
}
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_MSGLEVEL):
int_val = (int32)dhd_msg_level;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_MSGLEVEL):
#ifdef WL_CFG80211
/* Enable DHD and WL logs in oneshot */
if (int_val & DHD_WL_VAL2)
wl_cfg80211_enable_trace(TRUE, int_val & (~DHD_WL_VAL2));
else if (int_val & DHD_WL_VAL)
wl_cfg80211_enable_trace(FALSE, WL_DBG_DBG);
if (!(int_val & DHD_WL_VAL2))
#endif /* WL_CFG80211 */
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 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)) {
p = pktq_peek_tail(q, &eprec);
ASSERT(p);
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 */
p = pktq_penq(q, prec, pkt);
ASSERT(p);
return TRUE;
}
/*
* Functions to drop proper pkts from queue:
* If one pkt in queue is non-fragmented, drop first non-fragmented pkt only
* If all pkts in queue are all fragmented, find and drop one whole set fragmented pkts
* If can't find pkts matching upper 2 cases, drop first pkt anyway
*/
bool
dhd_prec_drop_pkts(osl_t *osh, struct pktq *pq, int prec)
{
struct pktq_prec *q = NULL;
void *p, *prev = NULL, *next = NULL, *first = NULL, *last = NULL, *prev_first = NULL;
pkt_frag_t frag_info;
ASSERT(osh && pq);
ASSERT(prec >= 0 && prec < pq->num_prec);
q = &pq->q[prec];
p = q->head;
if (p == NULL)
return FALSE;
while (p) {
frag_info = pkt_frag_info(osh, p);
if (frag_info == DHD_PKT_FRAG_NONE) {
break;
} else if (frag_info == DHD_PKT_FRAG_FIRST) {
if (first) {
/* No last frag pkt, use prev as last */
last = prev;
} else {
first = p;
prev_first = prev;
}
} else if (frag_info == DHD_PKT_FRAG_LAST) {
if (first) {
last = p;
break;
}
}
prev = p;
p = PKTLINK(p);
}
if ((p == NULL) || ((frag_info != DHD_PKT_FRAG_NONE) && !(first && last))) {
/* Not found matching pkts, use oldest */
prev = NULL;
p = q->head;
frag_info = 0;
}
if (frag_info == DHD_PKT_FRAG_NONE) {
first = last = p;
prev_first = prev;
}
p = first;
while (p) {
next = PKTLINK(p);
q->len--;
pq->len--;
PKTSETLINK(p, NULL);
PKTFREE(osh, p, TRUE);
if (p == last)
break;
p = next;
}
if (prev_first == NULL) {
if ((q->head = next) == NULL)
q->tail = NULL;
} else {
PKTSETLINK(prev_first, next);
}
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;
static uint32 logtrace_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;
}
if (hdr.trace_type == MSGTRACE_HDR_TYPE_MSG) {
/* 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 (msg) --> 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 (*p != '\0' && (s = strstr(p, "\n")) != NULL) {
*s = '\0';
printf("%s\n", p);
p = s+1;
}
if (*p) printf("%s", p);
/* Reset datalen to avoid display below */
datalen = 0;
} else if (hdr.trace_type == MSGTRACE_HDR_TYPE_LOG) {
/* Let the standard event printing work for now */
uint32 timestamp, w;
if (ntoh32(hdr.seqnum) == logtrace_seqnum_prev) {
printf("\nWLC_E_TRACE: [Event duplicate (log) %d",
logtrace_seqnum_prev);
} else {
nblost = ntoh32(hdr.seqnum) - logtrace_seqnum_prev - 1;
if (nblost > 0) {
printf("\nWLC_E_TRACE: [Event lost (log)"
" --> seqnum %d nblost %d\n",
ntoh32(hdr.seqnum), nblost);
}
logtrace_seqnum_prev = ntoh32(hdr.seqnum);
p = (char *)&buf[MSGTRACE_HDRLEN];
datalen -= MSGTRACE_HDRLEN;
w = ntoh32((uint32) *p);
p += 4;
datalen -= 4;
timestamp = ntoh32((uint32) *p);
printf("Logtrace %x timestamp %x %x",
logtrace_seqnum_prev, timestamp, w);
while (datalen > 4) {
p += 4;
datalen -= 4;
/* Print each word. DO NOT ntoh it. */
printf(" %8.8x", *((uint32 *) p));
}
printf("\n");
}
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 (DHD_BYTES_ON() && DHD_EVENT_ON() && 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_os_wlfc_block(dhd_pub);
dhd_wlfc_event(dhd_pub->info);
dhd_wlfc_FIFOcreditmap_event(dhd_pub->info, event_data);
dhd_os_wlfc_unblock(dhd_pub);
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;
/* Ignore the event if NOIF is set */
if (ifevent->flags & WLC_E_IF_FLAGS_BSSCFG_NOIF) {
WLFC_DBGMESG(("WLC_E_IF: NO_IF set, event Ignored\r\n"));
return (BCME_OK);
}
#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;
dhd_os_wlfc_block(dhd_pub);
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_os_wlfc_unblock(dhd_pub);
/* 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 */
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));
}
case WLC_E_PFN_NET_FOUND:
case WLC_E_PFN_NET_LOST:
break;
case WLC_E_PFN_BSSID_NET_FOUND:
case WLC_E_PFN_BSSID_NET_LOST:
case WLC_E_PFN_BEST_BATCHING:
#ifdef PNO_SUPPORT
dhd_pno_event_handler(dhd_pub, event, (void *)event_data);
#endif
break;
/* 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);
}
void dhd_pktfilter_offload_delete(dhd_pub_t *dhd, int id)
{
char iovbuf[32];
int ret;
bcm_mkiovar("pkt_filter_delete", (char *)&id, 4, iovbuf, sizeof(iovbuf));
ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
if (ret < 0) {
DHD_ERROR(("%s: Failed to delete filter ID:%d, ret=%d\n",
__FUNCTION__, id, ret));
}
}
#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[DHD_IOVAR_BUF_SIZE];
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[DHD_IOVAR_BUF_SIZE];
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[DHD_IOVAR_BUF_SIZE];
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 */
/*
* Neighbor Discovery Offload: enable NDO feature
* Called by ipv6 event handler when interface comes up/goes down
*/
int
dhd_ndo_enable(dhd_pub_t *dhd, int ndo_enable)
{
char iovbuf[DHD_IOVAR_BUF_SIZE];
int retcode;
if (dhd == NULL)
return -1;
bcm_mkiovar("ndoe", (char *)&ndo_enable, 4, iovbuf, sizeof(iovbuf));
retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0);
if (retcode)
DHD_ERROR(("%s: failed to enabe ndo to %d, retcode = %d\n",
__FUNCTION__, ndo_enable, retcode));
else
DHD_TRACE(("%s: successfully enabed ndo offload to %d\n",
__FUNCTION__, ndo_enable));
return retcode;
}
/*
* Neighbor Discover Offload: add host ipv6 ip into firmware
* Called by ipv6 event handler when interface comes up
*/
int
dhd_ndo_add_ip(dhd_pub_t *dhd, char *ipv6addr, int idx)
{
int iov_len = 0;
char iovbuf[DHD_IOVAR_BUF_SIZE];
int retcode;
if (dhd == NULL || ipv6addr == NULL)
return -1;
iov_len = bcm_mkiovar("nd_hostip", ipv6addr,
IPV6_ADDR_LEN, iovbuf, sizeof(iovbuf));
retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
if (retcode)
DHD_ERROR(("%s: ndo ip addr add failed, retcode = %d\n",
__FUNCTION__, retcode));
else
DHD_ERROR(("%s: ndo ipaddr entry added \n",
__FUNCTION__));
return retcode;
}
/*
* Neighbor Discover Offload: disable NDO feature
* Called by ipv6 event handler when interface goes down
*/
int
dhd_ndo_remove_ip(dhd_pub_t *dhd, int idx)
{
int iov_len = 0;
char iovbuf[DHD_IOVAR_BUF_SIZE];
int retcode;
if (dhd == NULL)
return -1;
iov_len = bcm_mkiovar("nd_hostip_clear", (char *)NULL,
0, iovbuf, sizeof(iovbuf));
retcode = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, iov_len, TRUE, idx);
if (retcode)
DHD_ERROR(("%s: ndo ip addr remove failed, retcode = %d\n",
__FUNCTION__, retcode));
else
DHD_TRACE(("%s: ndo ipaddr entry removed \n",
__FUNCTION__));
return retcode;
}
/* 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)) {
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 = 1; /* deafult no dtim skip setting */
int ret = -1;
int dtim_period = 0;
int ap_beacon = 0;
int allowed_skip_dtim_cnt = 0;
/* Check if associated */
if (dhd_is_associated(dhd, NULL, NULL) == FALSE) {
DHD_TRACE(("%s NOT assoc ret %d\n", __FUNCTION__, ret));
goto exit;
}
/* read associated AP beacon interval */
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_BCNPRD,
&ap_beacon, sizeof(ap_beacon), FALSE, 0)) < 0) {
DHD_ERROR(("%s get beacon failed code %d\n", __FUNCTION__, ret));
goto exit;
}
/* if associated APs Beacon more that 100msec do no dtim skip */
if (ap_beacon > MAX_DTIM_SKIP_BEACON_INTERVAL) {
DHD_ERROR(("%s NO dtim skip for AP with beacon %d ms\n", __FUNCTION__, ap_beacon));
goto exit;
}
/* read associated ap's dtim setup */
if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_GET_DTIMPRD,
&dtim_period, sizeof(dtim_period), FALSE, 0)) < 0) {
DHD_ERROR(("%s failed code %d\n", __FUNCTION__, ret));
goto exit;
}
/* if not assocated just eixt */
if (dtim_period == 0) {
goto exit;
}
/* attemp to use platform defined dtim skip interval */
bcn_li_dtim = dhd->suspend_bcn_li_dtim;
/* check if sta listen interval fits into AP dtim */
if (dtim_period > CUSTOM_LISTEN_INTERVAL) {
/* AP DTIM to big for our Listen Interval : no dtim skiping */
bcn_li_dtim = NO_DTIM_SKIP;
DHD_ERROR(("%s DTIM=%d > Listen=%d : too big ...\n",
__FUNCTION__, dtim_period, CUSTOM_LISTEN_INTERVAL));
goto exit;
}
if ((dtim_period * ap_beacon * bcn_li_dtim) > MAX_DTIM_ALLOWED_INTERVAL) {
allowed_skip_dtim_cnt = MAX_DTIM_ALLOWED_INTERVAL / (dtim_period * ap_beacon);
bcn_li_dtim = (allowed_skip_dtim_cnt != 0) ? allowed_skip_dtim_cnt : NO_DTIM_SKIP;
}
if ((bcn_li_dtim * dtim_period) > CUSTOM_LISTEN_INTERVAL) {
/* Round up dtim_skip to fit into STAs Listen Interval */
bcn_li_dtim = (int)(CUSTOM_LISTEN_INTERVAL / dtim_period);
DHD_TRACE(("%s agjust dtim_skip as %d\n", __FUNCTION__, bcn_li_dtim));
}
DHD_ERROR(("%s beacon=%d bcn_li_dtim=%d DTIM=%d Listen=%d\n",
__FUNCTION__, ap_beacon, bcn_li_dtim, dtim_period, CUSTOM_LISTEN_INTERVAL));
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(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 = {0};
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_ext_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;
ssid[idx].hidden = TRUE;
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;
}