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dhd_common.c
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/*
* 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 386943 2013-02-22 12:03:53Z $
*/
#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 <proto/bcmevent.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 WLBTAMP
#include <proto/bt_amp_hci.h>
#include <dhd_bta.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,
#ifdef WLBTAMP
IOV_HCI_CMD, /* HCI command */
IOV_HCI_ACL_DATA, /* HCI data packet */
#endif
#if defined(DHD_DEBUG)
IOV_CONS,
IOV_DCONSOLE_POLL,
#endif /* defined(DHD_DEBUG) */
#ifdef PROP_TXSTATUS
IOV_PROPTXSTATUS_ENABLE,
IOV_PROPTXSTATUS_MODE,
IOV_PROPTXSTATUS_OPT,
#endif
IOV_BUS_TYPE,
#ifdef WLMEDIA_HTSF
IOV_WLPKTDLYSTAT_SZ,
#endif
IOV_CHANGEMTU,
IOV_HOSTREORDER_FLOWS,
IOV_LAST
};
const bcm_iovar_t dhd_iovars[] = {
{"version", IOV_VERSION, 0, IOVT_BUFFER, sizeof(dhd_version) },
#ifdef DHD_DEBUG
{"msglevel", IOV_MSGLEVEL, 0, IOVT_UINT32, 0 },
#endif /* DHD_DEBUG */
{"bcmerrorstr", IOV_BCMERRORSTR, 0, IOVT_BUFFER, BCME_STRLEN },
{"bcmerror", IOV_BCMERROR, 0, IOVT_INT8, 0 },
{"wdtick", IOV_WDTICK, 0, IOVT_UINT32, 0 },
{"dump", IOV_DUMP, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN },
#ifdef DHD_DEBUG
{"cons", IOV_CONS, 0, IOVT_BUFFER, 0 },
{"dconpoll", IOV_DCONSOLE_POLL, 0, IOVT_UINT32, 0 },
#endif
{"clearcounts", IOV_CLEARCOUNTS, 0, IOVT_VOID, 0 },
{"gpioob", IOV_GPIOOB, 0, IOVT_UINT32, 0 },
{"ioctl_timeout", IOV_IOCTLTIMEOUT, 0, IOVT_UINT32, 0 },
#ifdef WLBTAMP
{"HCI_cmd", IOV_HCI_CMD, 0, IOVT_BUFFER, 0},
{"HCI_ACL_data", IOV_HCI_ACL_DATA, 0, IOVT_BUFFER, 0},
#endif
#ifdef PROP_TXSTATUS
{"proptx", IOV_PROPTXSTATUS_ENABLE, 0, IOVT_UINT32, 0 },
/*
set the proptxtstatus operation mode:
0 - Do not do any proptxtstatus flow control
1 - Use implied credit from a packet status
2 - Use explicit credit
*/
{"ptxmode", IOV_PROPTXSTATUS_MODE, 0, IOVT_UINT32, 0 },
{"proptx_opt", IOV_PROPTXSTATUS_OPT, 0, IOVT_UINT32, 0 },
#endif
{"bustype", IOV_BUS_TYPE, 0, IOVT_UINT32, 0},
#ifdef WLMEDIA_HTSF
{"pktdlystatsz", IOV_WLPKTDLYSTAT_SZ, 0, IOVT_UINT8, 0 },
#endif
{"changemtu", IOV_CHANGEMTU, 0, IOVT_UINT32, 0 },
{"host_reorder_flows", IOV_HOSTREORDER_FLOWS, 0, IOVT_BUFFER,
(WLHOST_REORDERDATA_MAXFLOWS + 1) },
{NULL, 0, 0, 0, 0 }
};
#if defined(NDISVER) && (NDISVER >= 0x0630)
struct dhd_cmn *
dhd_common_init(osl_t *osh)
{
dhd_cmn_t *cmn;
/* 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
* behavior since the value of the globals may be different on the
* first time that the driver is initialized vs subsequent initializations.
*/
dhd_msg_level = DHD_ERROR_VAL;
/* Allocate private bus interface state */
if (!(cmn = MALLOC(osh, sizeof(dhd_cmn_t)))) {
DHD_ERROR(("%s: MALLOC failed\n", __FUNCTION__));
return NULL;
}
memset(cmn, 0, sizeof(dhd_cmn_t));
cmn->osh = osh;
#ifdef CONFIG_BCM4329_FW_PATH
bcm_strncpy_s(fw_path, sizeof(fw_path), CONFIG_BCM4329_FW_PATH, MOD_PARAM_PATHLEN-1);
#else /* CONFIG_BCM4329_FW_PATH */
fw_path[0] = '\0';
#endif /* CONFIG_BCM4329_FW_PATH */
#ifdef CONFIG_BCM4329_NVRAM_PATH
bcm_strncpy_s(nv_path, sizeof(nv_path), CONFIG_BCM4329_NVRAM_PATH, MOD_PARAM_PATHLEN-1);
#else /* CONFIG_BCM4329_NVRAM_PATH */
nv_path[0] = '\0';
#endif /* CONFIG_BCM4329_NVRAM_PATH */
return cmn;
}
#else
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
}
#endif /* (NDISVER >= 0x0600) */
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 %d pub.maxctl %d pub.rxsz %d\n",
dhdp->hdrlen, dhdp->maxctl, dhdp->rxsz);
bcm_bprintf(strbuf, "pub.iswl %d pub.drv_version %ld pub.mac %s\n",
dhdp->iswl, dhdp->drv_version, bcm_ether_ntoa(&dhdp->mac, eabuf));
bcm_bprintf(strbuf, "pub.bcmerror %d tickcnt %d\n", dhdp->bcmerror, dhdp->tickcnt);
bcm_bprintf(strbuf, "dongle stats:\n");
bcm_bprintf(strbuf, "tx_packets %ld tx_bytes %ld tx_errors %ld tx_dropped %ld\n",
dhdp->dstats.tx_packets, dhdp->dstats.tx_bytes,
dhdp->dstats.tx_errors, dhdp->dstats.tx_dropped);
bcm_bprintf(strbuf, "rx_packets %ld rx_bytes %ld rx_errors %ld rx_dropped %ld\n",
dhdp->dstats.rx_packets, dhdp->dstats.rx_bytes,
dhdp->dstats.rx_errors, dhdp->dstats.rx_dropped);
bcm_bprintf(strbuf, "multicast %ld\n", dhdp->dstats.multicast);
bcm_bprintf(strbuf, "bus stats:\n");
bcm_bprintf(strbuf, "tx_packets %ld tx_multicast %ld tx_errors %ld\n",
dhdp->tx_packets, dhdp->tx_multicast, dhdp->tx_errors);
bcm_bprintf(strbuf, "tx_ctlpkts %ld tx_ctlerrs %ld\n",
dhdp->tx_ctlpkts, dhdp->tx_ctlerrs);
bcm_bprintf(strbuf, "rx_packets %ld rx_multicast %ld rx_errors %ld \n",
dhdp->rx_packets, dhdp->rx_multicast, dhdp->rx_errors);
bcm_bprintf(strbuf, "rx_ctlpkts %ld rx_ctlerrs %ld rx_dropped %ld\n",
dhdp->rx_ctlpkts, dhdp->rx_ctlerrs, dhdp->rx_dropped);
bcm_bprintf(strbuf, "rx_readahead_cnt %ld tx_realloc %ld\n",
dhdp->rx_readahead_cnt, dhdp->tx_realloc);
bcm_bprintf(strbuf, "\n");
/* Add any prot info */
dhd_prot_dump(dhdp, strbuf);
bcm_bprintf(strbuf, "\n");
/* Add any bus info */
dhd_bus_dump(dhdp, strbuf);
return (!strbuf->size ? BCME_BUFTOOSHORT : 0);
}
int
dhd_wl_ioctl_cmd(dhd_pub_t *dhd_pub, int cmd, void *arg, int len, uint8 set, int ifindex)
{
wl_ioctl_t ioc;
ioc.cmd = cmd;
ioc.buf = arg;
ioc.len = len;
ioc.set = set;
return dhd_wl_ioctl(dhd_pub, ifindex, &ioc, arg, len);
}
int
dhd_wl_ioctl(dhd_pub_t *dhd_pub, int ifindex, wl_ioctl_t *ioc, void *buf, int len)
{
int ret = 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);
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 WLBTAMP
case IOV_SVAL(IOV_HCI_CMD): {
amp_hci_cmd_t *cmd = (amp_hci_cmd_t *)arg;
/* sanity check: command preamble present */
if (len < HCI_CMD_PREAMBLE_SIZE)
return BCME_BUFTOOSHORT;
/* sanity check: command parameters are present */
if (len < (int)(HCI_CMD_PREAMBLE_SIZE + cmd->plen))
return BCME_BUFTOOSHORT;
dhd_bta_docmd(dhd_pub, cmd, len);
break;
}
case IOV_SVAL(IOV_HCI_ACL_DATA): {
amp_hci_ACL_data_t *ACL_data = (amp_hci_ACL_data_t *)arg;
/* sanity check: HCI header present */
if (len < HCI_ACL_DATA_PREAMBLE_SIZE)
return BCME_BUFTOOSHORT;
/* sanity check: ACL data is present */
if (len < (int)(HCI_ACL_DATA_PREAMBLE_SIZE + ACL_data->dlen))
return BCME_BUFTOOSHORT;
dhd_bta_tx_hcidata(dhd_pub, ACL_data, len);
break;
}
#endif /* WLBTAMP */
#ifdef PROP_TXSTATUS
case IOV_GVAL(IOV_PROPTXSTATUS_ENABLE):
int_val = dhd_pub->wlfc_enabled? 1 : 0;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_PROPTXSTATUS_ENABLE):
dhd_pub->wlfc_enabled = int_val? 1 : 0;
break;
case IOV_GVAL(IOV_PROPTXSTATUS_MODE): {
athost_wl_status_info_t *wlfc =
(athost_wl_status_info_t*)dhd_pub->wlfc_state;
int_val = dhd_pub->wlfc_state ? (int32)wlfc->proptxstatus_mode : 0;
bcopy(&int_val, arg, val_size);
break;
}
case IOV_SVAL(IOV_PROPTXSTATUS_MODE):
if (dhd_pub->wlfc_state) {
athost_wl_status_info_t *wlfc =
(athost_wl_status_info_t*)dhd_pub->wlfc_state;
wlfc->proptxstatus_mode = int_val & 0xff;
}
break;
#endif /* PROP_TXSTATUS */
case IOV_GVAL(IOV_BUS_TYPE):
/* The dhd application queries the driver to check if its usb or sdio. */
#ifdef BCMDHDUSB
int_val = BUS_TYPE_USB;
#endif
int_val = BUS_TYPE_SDIO;
bcopy(&int_val, arg, val_size);
break;
#ifdef WLMEDIA_HTSF
case IOV_GVAL(IOV_WLPKTDLYSTAT_SZ):
int_val = dhd_pub->htsfdlystat_sz;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_WLPKTDLYSTAT_SZ):
dhd_pub->htsfdlystat_sz = int_val & 0xff;
printf("Setting tsfdlystat_sz:%d\n", dhd_pub->htsfdlystat_sz);
break;
#endif
case IOV_SVAL(IOV_CHANGEMTU):
int_val &= 0xffff;
bcmerror = dhd_change_mtu(dhd_pub, int_val, 0);
break;
case IOV_GVAL(IOV_HOSTREORDER_FLOWS):
{
uint i = 0;
uint8 *ptr = (uint8 *)arg;
uint8 count = 0;
ptr++;
for (i = 0; i < WLHOST_REORDERDATA_MAXFLOWS; i++) {
if (dhd_pub->reorder_bufs[i] != NULL) {
*ptr = dhd_pub->reorder_bufs[i]->flow_id;
ptr++;
count++;
}
}
ptr = (uint8 *)arg;
*ptr = count;
break;
}
default:
bcmerror = BCME_UNSUPPORTED;
break;
}
exit:
DHD_TRACE(("%s: actionid %d, bcmerror %d\n", __FUNCTION__, actionid, bcmerror));
return bcmerror;
}
/* Store the status of a connection attempt for later retrieval by an iovar */
void
dhd_store_conn_status(uint32 event, uint32 status, uint32 reason)
{
/* Do not overwrite a WLC_E_PRUNE with a WLC_E_SET_SSID
* because an encryption/rsn mismatch results in both events, and
* the important information is in the WLC_E_PRUNE.
*/
if (!(event == WLC_E_SET_SSID && status == WLC_E_STATUS_FAIL &&
dhd_conn_event == WLC_E_PRUNE)) {
dhd_conn_event = event;
dhd_conn_status = status;
dhd_conn_reason = reason;
}
}
bool
dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec)
{
void *p;
int eprec = -1; /* precedence to evict from */
bool discard_oldest;
/* Fast case, precedence queue is not full and we are also not
* exceeding total queue length
*/
if (!pktq_pfull(q, prec) && !pktq_full(q)) {
pktq_penq(q, prec, pkt);
return TRUE;
}
/* Determine precedence from which to evict packet, if any */
if (pktq_pfull(q, prec))
eprec = prec;
else if (pktq_full(q)) {
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;
}
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) {