/*
* Broadcom Dongle Host Driver (DHD), RTT
*
* Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
*
* Copyright (C) 1999-2017, 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.
*
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id$
*/
#include <typedefs.h>
#include <osl.h>
#include <epivers.h>
#include <bcmutils.h>
#include <bcmendian.h>
#include <linuxver.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/sort.h>
#include <dngl_stats.h>
#include <wlioctl.h>
#include <bcmwifi_rspec.h>
#include <bcmevent.h>
#include <dhd.h>
#include <dhd_linux.h>
#include <dhd_rtt.h>
#include <dhd_dbg.h>
#include <dhd_bus.h>
#include <wldev_common.h>
#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif /* WL_CFG80211 */
#ifdef WL_NAN
#include <wl_cfgnan.h>
#endif /* WL_NAN */
static DEFINE_SPINLOCK(noti_list_lock);
#ifndef NULL_CHECK
#define NULL_CHECK(p, s, err) \
do { \
if (!(p)) { \
printf("NULL POINTER (%s) : %s\n", __FUNCTION__, (s)); \
err = BCME_ERROR; \
return err; \
} \
} while (0)
#endif // endif
#define TIMESPEC_TO_US(ts) (((uint64)(ts).tv_sec * USEC_PER_SEC) + \
(ts).tv_nsec / NSEC_PER_USEC)
#undef DHD_RTT_MEM
#undef DHD_RTT_ERR
#define DHD_RTT_MEM DHD_LOG_MEM
#define DHD_RTT_ERR DHD_ERROR
#define FTM_IOC_BUFSZ 2048 /* ioc buffsize for our module (> BCM_XTLV_HDR_SIZE) */
#define FTM_AVAIL_MAX_SLOTS 32
#define FTM_MAX_CONFIGS 10
#define FTM_MAX_PARAMS 10
#define FTM_DEFAULT_SESSION 1
#define FTM_BURST_TIMEOUT_UNIT 250 /* 250 ns */
#define FTM_INVALID -1
#define FTM_DEFAULT_CNT_20M 24u
#define FTM_DEFAULT_CNT_40M 16u
#define FTM_DEFAULT_CNT_80M 11u
/* To handle congestion env, set max dur/timeout */
#define FTM_MAX_BURST_DUR_TMO_MS 128u
/* convenience macros */
#define FTM_TU2MICRO(_tu) ((uint64)(_tu) << 10)
#define FTM_MICRO2TU(_tu) ((uint64)(_tu) >> 10)
#define FTM_TU2MILLI(_tu) ((uint32)FTM_TU2MICRO(_tu) / 1000)
#define FTM_MICRO2MILLI(_x) ((uint32)(_x) / 1000)
#define FTM_MICRO2SEC(_x) ((uint32)(_x) / 1000000)
#define FTM_INTVL2NSEC(_intvl) ((uint32)ftm_intvl2nsec(_intvl))
#define FTM_INTVL2USEC(_intvl) ((uint32)ftm_intvl2usec(_intvl))
#define FTM_INTVL2MSEC(_intvl) (FTM_INTVL2USEC(_intvl) / 1000)
#define FTM_INTVL2SEC(_intvl) (FTM_INTVL2USEC(_intvl) / 1000000)
#define FTM_USECIN100MILLI(_usec) ((_usec) / 100000)
/* broadcom specific set to have more accurate data */
#define ENABLE_VHT_ACK
#define CH_MIN_5G_CHANNEL 34
/* CUR ETH became obsolete with this major version onwards */
#define RTT_IOV_CUR_ETH_OBSOLETE 12
/* PROXD TIMEOUT */
#define DHD_RTT_TIMER_INTERVAL_MS 5000u
#define DHD_NAN_RTT_TIMER_INTERVAL_MS 10000u
struct rtt_noti_callback {
struct list_head list;
void *ctx;
dhd_rtt_compl_noti_fn noti_fn;
};
/* bitmask indicating which command groups; */
typedef enum {
FTM_SUBCMD_FLAG_METHOD = 0x01, /* FTM method command */
FTM_SUBCMD_FLAG_SESSION = 0x02, /* FTM session command */
FTM_SUBCMD_FLAG_ALL = FTM_SUBCMD_FLAG_METHOD | FTM_SUBCMD_FLAG_SESSION
} ftm_subcmd_flag_t;
/* proxd ftm config-category definition */
typedef enum {
FTM_CONFIG_CAT_GENERAL = 1, /* generial configuration */
FTM_CONFIG_CAT_OPTIONS = 2, /* 'config options' */
FTM_CONFIG_CAT_AVAIL = 3, /* 'config avail' */
} ftm_config_category_t;
typedef struct ftm_subcmd_info {
int16 version; /* FTM version (optional) */
char *name; /* cmd-name string as cmdline input */
wl_proxd_cmd_t cmdid; /* cmd-id */
bcm_xtlv_unpack_cbfn_t *handler; /* cmd response handler (optional) */
ftm_subcmd_flag_t cmdflag; /* CMD flag (optional) */
} ftm_subcmd_info_t;
typedef struct ftm_config_options_info {
uint32 flags; /* wl_proxd_flags_t/wl_proxd_session_flags_t */
bool enable;
} ftm_config_options_info_t;
typedef struct ftm_config_param_info {
uint16 tlvid; /* mapping TLV id for the item */
union {
uint32 chanspec;
struct ether_addr mac_addr;
wl_proxd_intvl_t data_intvl;
uint32 data32;
uint16 data16;
uint8 data8;
uint32 event_mask;
};
} ftm_config_param_info_t;
/*
* definition for id-string mapping.
* This is used to map an id (can be cmd-id, tlv-id, ....) to a text-string
* for debug-display or cmd-log-display
*/
typedef struct ftm_strmap_entry {
int32 id;
char *text;
} ftm_strmap_entry_t;
typedef struct ftm_status_map_host_entry {
wl_proxd_status_t proxd_status;
rtt_reason_t rtt_reason;
} ftm_status_map_host_entry_t;
static uint16
rtt_result_ver(uint16 tlvid, const uint8 *p_data);
static int
dhd_rtt_convert_results_to_host_v1(rtt_result_t *rtt_result, const uint8 *p_data,
uint16 tlvid, uint16 len);
static int
dhd_rtt_convert_results_to_host_v2(rtt_result_t *rtt_result, const uint8 *p_data,
uint16 tlvid, uint16 len);
static wifi_rate_t
dhd_rtt_convert_rate_to_host(uint32 ratespec);
#if defined(WL_CFG80211) && defined(RTT_DEBUG)
const char *
ftm_cmdid_to_str(uint16 cmdid);
#endif /* WL_CFG80211 && RTT_DEBUG */
#ifdef WL_CFG80211
static int
dhd_rtt_start(dhd_pub_t *dhd);
static int dhd_rtt_create_failure_result(rtt_status_info_t *rtt_status,
struct ether_addr *addr);
static void dhd_rtt_handle_rtt_session_end(dhd_pub_t *dhd);
static void dhd_rtt_timeout_work(struct work_struct *work);
#endif /* WL_CFG80211 */
static const int burst_duration_idx[] = {0, 0, 1, 2, 4, 8, 16, 32, 64, 128, 0, 0};
/* ftm status mapping to host status */
static const ftm_status_map_host_entry_t ftm_status_map_info[] = {
{WL_PROXD_E_INCOMPLETE, RTT_STATUS_FAILURE},
{WL_PROXD_E_OVERRIDDEN, RTT_STATUS_FAILURE},
{WL_PROXD_E_ASAP_FAILED, RTT_STATUS_FAILURE},
{WL_PROXD_E_NOTSTARTED, RTT_STATUS_FAIL_NOT_SCHEDULED_YET},
{WL_PROXD_E_INVALIDMEAS, RTT_STATUS_FAIL_INVALID_TS},
{WL_PROXD_E_INCAPABLE, RTT_STATUS_FAIL_NO_CAPABILITY},
{WL_PROXD_E_MISMATCH, RTT_STATUS_FAILURE},
{WL_PROXD_E_DUP_SESSION, RTT_STATUS_FAILURE},
{WL_PROXD_E_REMOTE_FAIL, RTT_STATUS_FAILURE},
{WL_PROXD_E_REMOTE_INCAPABLE, RTT_STATUS_FAILURE},
{WL_PROXD_E_SCHED_FAIL, RTT_STATUS_FAIL_SCHEDULE},
{WL_PROXD_E_PROTO, RTT_STATUS_FAIL_PROTOCOL},
{WL_PROXD_E_EXPIRED, RTT_STATUS_FAILURE},
{WL_PROXD_E_TIMEOUT, RTT_STATUS_FAIL_TM_TIMEOUT},
{WL_PROXD_E_NOACK, RTT_STATUS_FAIL_NO_RSP},
{WL_PROXD_E_DEFERRED, RTT_STATUS_FAILURE},
{WL_PROXD_E_INVALID_SID, RTT_STATUS_FAILURE},
{WL_PROXD_E_REMOTE_CANCEL, RTT_STATUS_FAILURE},
{WL_PROXD_E_CANCELED, RTT_STATUS_ABORTED},
{WL_PROXD_E_INVALID_SESSION, RTT_STATUS_FAILURE},
{WL_PROXD_E_BAD_STATE, RTT_STATUS_FAILURE},
{WL_PROXD_E_ERROR, RTT_STATUS_FAILURE},
{WL_PROXD_E_OK, RTT_STATUS_SUCCESS}
};
static const ftm_strmap_entry_t ftm_event_type_loginfo[] = {
/* wl_proxd_event_type_t, text-string */
{ WL_PROXD_EVENT_NONE, "none" },
{ WL_PROXD_EVENT_SESSION_CREATE, "session create" },
{ WL_PROXD_EVENT_SESSION_START, "session start" },
{ WL_PROXD_EVENT_FTM_REQ, "FTM req" },
{ WL_PROXD_EVENT_BURST_START, "burst start" },
{ WL_PROXD_EVENT_BURST_END, "burst end" },
{ WL_PROXD_EVENT_SESSION_END, "session end" },
{ WL_PROXD_EVENT_SESSION_RESTART, "session restart" },
{ WL_PROXD_EVENT_BURST_RESCHED, "burst rescheduled" },
{ WL_PROXD_EVENT_SESSION_DESTROY, "session destroy" },
{ WL_PROXD_EVENT_RANGE_REQ, "range request" },
{ WL_PROXD_EVENT_FTM_FRAME, "FTM frame" },
{ WL_PROXD_EVENT_DELAY, "delay" },
{ WL_PROXD_EVENT_VS_INITIATOR_RPT, "initiator-report " }, /* rx initiator-rpt */
{ WL_PROXD_EVENT_RANGING, "ranging " },
{ WL_PROXD_EVENT_COLLECT, "collect" },
{ WL_PROXD_EVENT_MF_STATS, "mf_stats" },
};
/*
* session-state --> text string mapping
*/
static const ftm_strmap_entry_t ftm_session_state_value_loginfo[] = {
/* wl_proxd_session_state_t, text string */
{ WL_PROXD_SESSION_STATE_CREATED, "created" },
{ WL_PROXD_SESSION_STATE_CONFIGURED, "configured" },
{ WL_PROXD_SESSION_STATE_STARTED, "started" },
{ WL_PROXD_SESSION_STATE_DELAY, "delay" },
{ WL_PROXD_SESSION_STATE_USER_WAIT, "user-wait" },
{ WL_PROXD_SESSION_STATE_SCHED_WAIT, "sched-wait" },
{ WL_PROXD_SESSION_STATE_BURST, "burst" },
{ WL_PROXD_SESSION_STATE_STOPPING, "stopping" },
{ WL_PROXD_SESSION_STATE_ENDED, "ended" },
{ WL_PROXD_SESSION_STATE_DESTROYING, "destroying" },
{ WL_PROXD_SESSION_STATE_NONE, "none" }
};
/*
* status --> text string mapping
*/
static const ftm_strmap_entry_t ftm_status_value_loginfo[] = {
/* wl_proxd_status_t, text-string */
{ WL_PROXD_E_OVERRIDDEN, "overridden" },
{ WL_PROXD_E_ASAP_FAILED, "ASAP failed" },
{ WL_PROXD_E_NOTSTARTED, "not started" },
{ WL_PROXD_E_INVALIDMEAS, "invalid measurement" },
{ WL_PROXD_E_INCAPABLE, "incapable" },
{ WL_PROXD_E_MISMATCH, "mismatch"},
{ WL_PROXD_E_DUP_SESSION, "dup session" },
{ WL_PROXD_E_REMOTE_FAIL, "remote fail" },
{ WL_PROXD_E_REMOTE_INCAPABLE, "remote incapable" },
{ WL_PROXD_E_SCHED_FAIL, "sched failure" },
{ WL_PROXD_E_PROTO, "protocol error" },
{ WL_PROXD_E_EXPIRED, "expired" },
{ WL_PROXD_E_TIMEOUT, "timeout" },
{ WL_PROXD_E_NOACK, "no ack" },
{ WL_PROXD_E_DEFERRED, "deferred" },
{ WL_PROXD_E_INVALID_SID, "invalid session id" },
{ WL_PROXD_E_REMOTE_CANCEL, "remote cancel" },
{ WL_PROXD_E_CANCELED, "canceled" },
{ WL_PROXD_E_INVALID_SESSION, "invalid session" },
{ WL_PROXD_E_BAD_STATE, "bad state" },
{ WL_PROXD_E_ERROR, "error" },
{ WL_PROXD_E_OK, "OK" }
};
/*
* time interval unit --> text string mapping
*/
static const ftm_strmap_entry_t ftm_tmu_value_loginfo[] = {
/* wl_proxd_tmu_t, text-string */
{ WL_PROXD_TMU_TU, "TU" },
{ WL_PROXD_TMU_SEC, "sec" },
{ WL_PROXD_TMU_MILLI_SEC, "ms" },
{ WL_PROXD_TMU_MICRO_SEC, "us" },
{ WL_PROXD_TMU_NANO_SEC, "ns" },
{ WL_PROXD_TMU_PICO_SEC, "ps" }
};
struct ieee_80211_mcs_rate_info {
uint8 constellation_bits;
uint8 coding_q;
uint8 coding_d;
};
static const struct ieee_80211_mcs_rate_info wl_mcs_info[] = {
{ 1, 1, 2 }, /* MCS 0: MOD: BPSK, CR 1/2 */
{ 2, 1, 2 }, /* MCS 1: MOD: QPSK, CR 1/2 */
{ 2, 3, 4 }, /* MCS 2: MOD: QPSK, CR 3/4 */
{ 4, 1, 2 }, /* MCS 3: MOD: 16QAM, CR 1/2 */
{ 4, 3, 4 }, /* MCS 4: MOD: 16QAM, CR 3/4 */
{ 6, 2, 3 }, /* MCS 5: MOD: 64QAM, CR 2/3 */
{ 6, 3, 4 }, /* MCS 6: MOD: 64QAM, CR 3/4 */
{ 6, 5, 6 }, /* MCS 7: MOD: 64QAM, CR 5/6 */
{ 8, 3, 4 }, /* MCS 8: MOD: 256QAM, CR 3/4 */
{ 8, 5, 6 } /* MCS 9: MOD: 256QAM, CR 5/6 */
};
/**
* Returns the rate in [Kbps] units for a caller supplied MCS/bandwidth/Nss/Sgi combination.
* 'mcs' : a *single* spatial stream MCS (11n or 11ac)
*/
uint
rate_mcs2rate(uint mcs, uint nss, uint bw, int sgi)
{
const int ksps = 250; /* kilo symbols per sec, 4 us sym */
const int Nsd_20MHz = 52;
const int Nsd_40MHz = 108;
const int Nsd_80MHz = 234;
const int Nsd_160MHz = 468;
uint rate;
if (mcs == 32) {
/* just return fixed values for mcs32 instead of trying to parametrize */
rate = (sgi == 0) ? 6000 : 6778;
} else if (mcs <= 9) {
/* This calculation works for 11n HT and 11ac VHT if the HT mcs values
* are decomposed into a base MCS = MCS % 8, and Nss = 1 + MCS / 8.
* That is, HT MCS 23 is a base MCS = 7, Nss = 3
*/
/* find the number of complex numbers per symbol */
if (RSPEC_IS20MHZ(bw)) {
rate = Nsd_20MHz;
} else if (RSPEC_IS40MHZ(bw)) {
rate = Nsd_40MHz;
} else if (bw == WL_RSPEC_BW_80MHZ) {
rate = Nsd_80MHz;
} else if (bw == WL_RSPEC_BW_160MHZ) {
rate = Nsd_160MHz;
} else {
rate = 0;
}
/* multiply by bits per number from the constellation in use */
rate = rate * wl_mcs_info[mcs].constellation_bits;
/* adjust for the number of spatial streams */
rate = rate * nss;
/* adjust for the coding rate given as a quotient and divisor */
rate = (rate * wl_mcs_info[mcs].coding_q) / wl_mcs_info[mcs].coding_d;
/* multiply by Kilo symbols per sec to get Kbps */
rate = rate * ksps;
/* adjust the symbols per sec for SGI
* symbol duration is 4 us without SGI, and 3.6 us with SGI,
* so ratio is 10 / 9
*/
if (sgi) {
/* add 4 for rounding of division by 9 */
rate = ((rate * 10) + 4) / 9;
}
} else {
rate = 0;
}
return rate;
} /* wlc_rate_mcs2rate */
/** take a well formed ratespec_t arg and return phy rate in [Kbps] units */
static uint32
rate_rspec2rate(uint32 rspec)
{
int rate = 0;
if (RSPEC_ISLEGACY(rspec)) {
rate = 500 * (rspec & WL_RSPEC_RATE_MASK);
} else if (RSPEC_ISHT(rspec)) {
uint mcs = (rspec & WL_RSPEC_RATE_MASK);
if (mcs == 32) {
rate = rate_mcs2rate(mcs, 1, WL_RSPEC_BW_40MHZ, RSPEC_ISSGI(rspec));
} else {
uint nss = 1 + (mcs / 8);
mcs = mcs % 8;
rate = rate_mcs2rate(mcs, nss, RSPEC_BW(rspec), RSPEC_ISSGI(rspec));
}
} else if (RSPEC_ISVHT(rspec)) {
uint mcs = (rspec & WL_RSPEC_VHT_MCS_MASK);
uint nss = (rspec & WL_RSPEC_VHT_NSS_MASK) >> WL_RSPEC_VHT_NSS_SHIFT;
if (mcs > 9 || nss > 8) {
DHD_RTT(("%s: Invalid mcs %d or nss %d\n", __FUNCTION__, mcs, nss));
goto exit;
}
rate = rate_mcs2rate(mcs, nss, RSPEC_BW(rspec), RSPEC_ISSGI(rspec));
} else {
DHD_RTT(("%s: wrong rspec:%d\n", __FUNCTION__, rspec));
}
exit:
return rate;
}
char resp_buf[WLC_IOCTL_SMLEN];
static uint64
ftm_intvl2nsec(const wl_proxd_intvl_t *intvl)
{
uint64 ret;
ret = intvl->intvl;
switch (intvl->tmu) {
case WL_PROXD_TMU_TU: ret = FTM_TU2MICRO(ret) * 1000; break;
case WL_PROXD_TMU_SEC: ret *= 1000000000; break;
case WL_PROXD_TMU_MILLI_SEC: ret *= 1000000; break;
case WL_PROXD_TMU_MICRO_SEC: ret *= 1000; break;
case WL_PROXD_TMU_PICO_SEC: ret = intvl->intvl / 1000; break;
case WL_PROXD_TMU_NANO_SEC: /* fall through */
default: break;
}
return ret;
}
uint64
ftm_intvl2usec(const wl_proxd_intvl_t *intvl)
{
uint64 ret;
ret = intvl->intvl;
switch (intvl->tmu) {
case WL_PROXD_TMU_TU: ret = FTM_TU2MICRO(ret); break;
case WL_PROXD_TMU_SEC: ret *= 1000000; break;
case WL_PROXD_TMU_NANO_SEC: ret = intvl->intvl / 1000; break;
case WL_PROXD_TMU_PICO_SEC: ret = intvl->intvl / 1000000; break;
case WL_PROXD_TMU_MILLI_SEC: ret *= 1000; break;
case WL_PROXD_TMU_MICRO_SEC: /* fall through */
default: break;
}
return ret;
}
/*
* lookup 'id' (as a key) from a fw status to host map table
* if found, return the corresponding reason code
*/
static rtt_reason_t
ftm_get_statusmap_info(wl_proxd_status_t id, const ftm_status_map_host_entry_t *p_table,
uint32 num_entries)
{
int i;
const ftm_status_map_host_entry_t *p_entry;
/* scan thru the table till end */
p_entry = p_table;
for (i = 0; i < (int) num_entries; i++)
{
if (p_entry->proxd_status == id) {
return p_entry->rtt_reason;
}
p_entry++; /* next entry */
}
return RTT_STATUS_FAILURE; /* not found */
}
/*
* lookup 'id' (as a key) from a table
* if found, return the entry pointer, otherwise return NULL
*/
static const ftm_strmap_entry_t*
ftm_get_strmap_info(int32 id, const ftm_strmap_entry_t *p_table, uint32 num_entries)
{
int i;
const ftm_strmap_entry_t *p_entry;
/* scan thru the table till end */
p_entry = p_table;
for (i = 0; i < (int) num_entries; i++)
{
if (p_entry->id == id)
return p_entry;
p_entry++; /* next entry */
}
return NULL; /* not found */
}
/*
* map enum to a text-string for display, this function is called by the following:
* For debug/trace:
* ftm_[cmdid|tlvid]_to_str()
* For TLV-output log for 'get' commands
* ftm_[method|tmu|caps|status|state]_value_to_logstr()
* Input:
* pTable -- point to a 'enum to string' table.
*/
static const char *
ftm_map_id_to_str(int32 id, const ftm_strmap_entry_t *p_table, uint32 num_entries)
{
const ftm_strmap_entry_t*p_entry = ftm_get_strmap_info(id, p_table, num_entries);
if (p_entry)
return (p_entry->text);
return "invalid";
}
#if defined(WL_CFG80211) && defined(RTT_DEBUG)
/* define entry, e.g. { WL_PROXD_CMD_xxx, "WL_PROXD_CMD_xxx" } */
#define DEF_STRMAP_ENTRY(id) { (id), #id }
/* ftm cmd-id mapping */
static const ftm_strmap_entry_t ftm_cmdid_map[] = {
/* {wl_proxd_cmd_t(WL_PROXD_CMD_xxx), "WL_PROXD_CMD_xxx" }, */
DEF_STRMAP_ENTRY(WL_PROXD_CMD_NONE),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_VERSION),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_ENABLE),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_DISABLE),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_CONFIG),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_START_SESSION),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_BURST_REQUEST),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_STOP_SESSION),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_DELETE_SESSION),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_RESULT),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_INFO),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_STATUS),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_SESSIONS),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_COUNTERS),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_CLEAR_COUNTERS),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_COLLECT),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_TUNE),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_DUMP),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_START_RANGING),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_STOP_RANGING),
DEF_STRMAP_ENTRY(WL_PROXD_CMD_GET_RANGING_INFO),
};
/*
* map a ftm cmd-id to a text-string for display
*/
const char *
ftm_cmdid_to_str(uint16 cmdid)
{
return ftm_map_id_to_str((int32) cmdid, &ftm_cmdid_map[0], ARRAYSIZE(ftm_cmdid_map));
}
#endif /* WL_CFG80211 && RTT_DEBUG */
/*
* convert BCME_xxx error codes into related error strings
* note, bcmerrorstr() defined in bcmutils is for BCMDRIVER only,
* this duplicate copy is for WL access and may need to clean up later
*/
static const char *ftm_bcmerrorstrtable[] = BCMERRSTRINGTABLE;
static const char *
ftm_status_value_to_logstr(wl_proxd_status_t status)
{
static char ftm_msgbuf_status_undef[32];
const ftm_strmap_entry_t *p_loginfo;
int bcmerror;
/* check if within BCME_xxx error range */
bcmerror = (int) status;
if (VALID_BCMERROR(bcmerror))
return ftm_bcmerrorstrtable[-bcmerror];
/* otherwise, look for 'proxd ftm status' range */
p_loginfo = ftm_get_strmap_info((int32) status,
&ftm_status_value_loginfo[0], ARRAYSIZE(ftm_status_value_loginfo));
if (p_loginfo)
return p_loginfo->text;
/* report for 'out of range' FTM-status error code */
memset(ftm_msgbuf_status_undef, 0, sizeof(ftm_msgbuf_status_undef));
snprintf(ftm_msgbuf_status_undef, sizeof(ftm_msgbuf_status_undef),
"Undefined status %d", status);
return &ftm_msgbuf_status_undef[0];
}
static const char *
ftm_tmu_value_to_logstr(wl_proxd_tmu_t tmu)
{
return ftm_map_id_to_str((int32)tmu,
&ftm_tmu_value_loginfo[0], ARRAYSIZE(ftm_tmu_value_loginfo));
}
static const ftm_strmap_entry_t*
ftm_get_event_type_loginfo(wl_proxd_event_type_t event_type)
{
/* look up 'event-type' from a predefined table */
return ftm_get_strmap_info((int32) event_type,
ftm_event_type_loginfo, ARRAYSIZE(ftm_event_type_loginfo));
}
static const char *
ftm_session_state_value_to_logstr(wl_proxd_session_state_t state)
{
return ftm_map_id_to_str((int32)state, &ftm_session_state_value_loginfo[0],
ARRAYSIZE(ftm_session_state_value_loginfo));
}
#ifdef WL_CFG80211
/*
* send 'proxd' iovar for all ftm get-related commands
*/
static int
rtt_do_get_ioctl(dhd_pub_t *dhd, wl_proxd_iov_t *p_proxd_iov, uint16 proxd_iovsize,
ftm_subcmd_info_t *p_subcmd_info)
{
wl_proxd_iov_t *p_iovresp = (wl_proxd_iov_t *)resp_buf;
int status;
int tlvs_len;
/* send getbuf proxd iovar */
status = dhd_getiovar(dhd, 0, "proxd", (char *)p_proxd_iov,
proxd_iovsize, (char **)&p_iovresp, WLC_IOCTL_SMLEN);
if (status != BCME_OK) {
DHD_RTT_ERR(("%s: failed to send getbuf proxd iovar (CMD ID : %d), status=%d\n",
__FUNCTION__, p_subcmd_info->cmdid, status));
return status;
}
if (p_subcmd_info->cmdid == WL_PROXD_CMD_GET_VERSION) {
p_subcmd_info->version = ltoh16(p_iovresp->version);
DHD_RTT(("ftm version: 0x%x\n", ltoh16(p_iovresp->version)));
goto exit;
}
tlvs_len = ltoh16(p_iovresp->len) - WL_PROXD_IOV_HDR_SIZE;
if (tlvs_len < 0) {
DHD_RTT_ERR(("%s: alert, p_iovresp->len(%d) should not be smaller than %d\n",
__FUNCTION__, ltoh16(p_iovresp->len), (int) WL_PROXD_IOV_HDR_SIZE));
tlvs_len = 0;
}
if (tlvs_len > 0 && p_subcmd_info->handler) {
/* unpack TLVs and invokes the cbfn for processing */
status = bcm_unpack_xtlv_buf(p_proxd_iov, (uint8 *)p_iovresp->tlvs,
tlvs_len, BCM_XTLV_OPTION_ALIGN32, p_subcmd_info->handler);
}
exit:
return status;
}
static wl_proxd_iov_t *
rtt_alloc_getset_buf(wl_proxd_method_t method, wl_proxd_session_id_t session_id,
wl_proxd_cmd_t cmdid, uint16 tlvs_bufsize, uint16 *p_out_bufsize)
{
uint16 proxd_iovsize;
uint32 kflags;
wl_proxd_tlv_t *p_tlv;
wl_proxd_iov_t *p_proxd_iov = (wl_proxd_iov_t *) NULL;
*p_out_bufsize = 0; /* init */
kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
/* calculate the whole buffer size, including one reserve-tlv entry in the header */
proxd_iovsize = sizeof(wl_proxd_iov_t) + tlvs_bufsize;
p_proxd_iov = kzalloc(proxd_iovsize, kflags);
if (p_proxd_iov == NULL) {
DHD_RTT_ERR(("error: failed to allocate %d bytes of memory\n", proxd_iovsize));
return NULL;
}
/* setup proxd-FTM-method iovar header */
p_proxd_iov->version = htol16(WL_PROXD_API_VERSION);
p_proxd_iov->len = htol16(proxd_iovsize); /* caller may adjust it based on #of TLVs */
p_proxd_iov->cmd = htol16(cmdid);
p_proxd_iov->method = htol16(method);
p_proxd_iov->sid = htol16(session_id);
/* initialize the reserved/dummy-TLV in iovar header */
p_tlv = p_proxd_iov->tlvs;
p_tlv->id = htol16(WL_PROXD_TLV_ID_NONE);
p_tlv->len = htol16(0);
*p_out_bufsize = proxd_iovsize; /* for caller's reference */
return p_proxd_iov;
}
static int
dhd_rtt_common_get_handler(dhd_pub_t *dhd, ftm_subcmd_info_t *p_subcmd_info,
wl_proxd_method_t method,
wl_proxd_session_id_t session_id)
{
int status = BCME_OK;
uint16 proxd_iovsize = 0;
wl_proxd_iov_t *p_proxd_iov;
#ifdef RTT_DEBUG
DHD_RTT(("enter %s: method=%d, session_id=%d, cmdid=%d(%s)\n",
__FUNCTION__, method, session_id, p_subcmd_info->cmdid,
ftm_cmdid_to_str(p_subcmd_info->cmdid)));
#endif // endif
/* alloc mem for ioctl headr + reserved 0 bufsize for tlvs (initialize to zero) */
p_proxd_iov = rtt_alloc_getset_buf(method, session_id, p_subcmd_info->cmdid,
0, &proxd_iovsize);
if (p_proxd_iov == NULL)
return BCME_NOMEM;
status = rtt_do_get_ioctl(dhd, p_proxd_iov, proxd_iovsize, p_subcmd_info);
if (status != BCME_OK) {
DHD_RTT(("%s failed: status=%d\n", __FUNCTION__, status));
}
kfree(p_proxd_iov);
return status;
}
/*
* common handler for set-related proxd method commands which require no TLV as input
* wl proxd ftm [session-id] <set-subcmd>
* e.g.
* wl proxd ftm enable -- to enable ftm
* wl proxd ftm disable -- to disable ftm
* wl proxd ftm <session-id> start -- to start a specified session
* wl proxd ftm <session-id> stop -- to cancel a specified session;
* state is maintained till session is delete.
* wl proxd ftm <session-id> delete -- to delete a specified session
* wl proxd ftm [<session-id>] clear-counters -- to clear counters
* wl proxd ftm <session-id> burst-request -- on initiator: to send burst request;
* on target: send FTM frame
* wl proxd ftm <session-id> collect
* wl proxd ftm tune (TBD)
*/
static int
dhd_rtt_common_set_handler(dhd_pub_t *dhd, const ftm_subcmd_info_t *p_subcmd_info,
wl_proxd_method_t method, wl_proxd_session_id_t session_id)
{
uint16 proxd_iovsize;
wl_proxd_iov_t *p_proxd_iov;
int ret;
#ifdef RTT_DEBUG
DHD_RTT(("enter %s: method=%d, session_id=%d, cmdid=%d(%s)\n",
__FUNCTION__, method, session_id, p_subcmd_info->cmdid,
ftm_cmdid_to_str(p_subcmd_info->cmdid)));
#endif // endif
/* allocate and initialize a temp buffer for 'set proxd' iovar */
proxd_iovsize = 0;
p_proxd_iov = rtt_alloc_getset_buf(method, session_id, p_subcmd_info->cmdid,
0, &proxd_iovsize); /* no TLV */
if (p_proxd_iov == NULL)
return BCME_NOMEM;
/* no TLV to pack, simply issue a set-proxd iovar */
ret = dhd_iovar(dhd, 0, "proxd", (char *)p_proxd_iov, proxd_iovsize, NULL, 0, TRUE);
#ifdef RTT_DEBUG
if (ret != BCME_OK) {
DHD_RTT(("error: IOVAR failed, status=%d\n", ret));
}
#endif // endif
/* clean up */
kfree(p_proxd_iov);
return ret;
}
#endif /* WL_CFG80211 */
/* gets the length and returns the version
* of the wl_proxd_collect_event_t version
*/
static uint
rtt_collect_data_event_ver(uint16 len)
{
if (len > sizeof(wl_proxd_collect_event_data_v3_t)) {
return WL_PROXD_COLLECT_EVENT_DATA_VERSION_MAX;
} else if (len == sizeof(wl_proxd_collect_event_data_v3_t)) {
return WL_PROXD_COLLECT_EVENT_DATA_VERSION_3;
} else if (len == sizeof(wl_proxd_collect_event_data_v2_t)) {
return WL_PROXD_COLLECT_EVENT_DATA_VERSION_2;
} else {
return WL_PROXD_COLLECT_EVENT_DATA_VERSION_1;
}
}
static void
rtt_collect_event_data_display(uint8 ver, void *ctx, const uint8 *p_data, uint16 len)
{
int i;
wl_proxd_collect_event_data_v1_t *p_collect_data_v1 = NULL;
wl_proxd_collect_event_data_v2_t *p_collect_data_v2 = NULL;
wl_proxd_collect_event_data_v3_t *p_collect_data_v3 = NULL;
if (!ctx || !p_data) {
return;
}
switch (ver) {
case WL_PROXD_COLLECT_EVENT_DATA_VERSION_1:
DHD_RTT(("\tVERSION_1\n"));
memcpy(ctx, p_data, sizeof(wl_proxd_collect_event_data_v1_t));
p_collect_data_v1 = (wl_proxd_collect_event_data_v1_t *)ctx;
DHD_RTT(("\tH_RX\n"));
for (i = 0; i < K_TOF_COLLECT_H_SIZE_20MHZ; i++) {
p_collect_data_v1->H_RX[i] = ltoh32_ua(&p_collect_data_v1->H_RX[i]);
DHD_RTT(("\t%u\n", p_collect_data_v1->H_RX[i]));
}
DHD_RTT(("\n"));
DHD_RTT(("\tH_LB\n"));
for (i = 0; i < K_TOF_COLLECT_H_SIZE_20MHZ; i++) {
p_collect_data_v1->H_LB[i] = ltoh32_ua(&p_collect_data_v1->H_LB[i]);
DHD_RTT(("\t%u\n", p_collect_data_v1->H_LB[i]));
}
DHD_RTT(("\n"));
DHD_RTT(("\tri_rr\n"));
for (i = 0; i < FTM_TPK_RI_RR_LEN; i++) {
DHD_RTT(("\t%u\n", p_collect_data_v1->ri_rr[i]));
}
p_collect_data_v1->phy_err_mask = ltoh32_ua(&p_collect_data_v1->phy_err_mask);
DHD_RTT(("\tphy_err_mask=0x%x\n", p_collect_data_v1->phy_err_mask));
break;
case WL_PROXD_COLLECT_EVENT_DATA_VERSION_2:
memcpy(ctx, p_data, sizeof(wl_proxd_collect_event_data_v2_t));
p_collect_data_v2 = (wl_proxd_collect_event_data_v2_t *)ctx;
DHD_RTT(("\tH_RX\n"));
for (i = 0; i < K_TOF_COLLECT_H_SIZE_20MHZ; i++) {
p_collect_data_v2->H_RX[i] = ltoh32_ua(&p_collect_data_v2->H_RX[i]);
DHD_RTT(("\t%u\n", p_collect_data_v2->H_RX[i]));
}
DHD_RTT(("\n"));
DHD_RTT(("\tH_LB\n"));
for (i = 0; i < K_TOF_COLLECT_H_SIZE_20MHZ; i++) {
p_collect_data_v2->H_LB[i] = ltoh32_ua(&p_collect_data_v2->H_LB[i]);
DHD_RTT(("\t%u\n", p_collect_data_v2->H_LB[i]));
}
DHD_RTT(("\n"));
DHD_RTT(("\tri_rr\n"));
for (i = 0; i < FTM_TPK_RI_RR_LEN_SECURE_2_0; i++) {
DHD_RTT(("\t%u\n", p_collect_data_v2->ri_rr[i]));
}
p_collect_data_v2->phy_err_mask = ltoh32_ua(&p_collect_data_v2->phy_err_mask);
DHD_RTT(("\tphy_err_mask=0x%x\n", p_collect_data_v2->phy_err_mask));
break;
case WL_PROXD_COLLECT_EVENT_DATA_VERSION_3:
memcpy(ctx, p_data, sizeof(wl_proxd_collect_event_data_v3_t));
p_collect_data_v3 = (wl_proxd_collect_event_data_v3_t *)ctx;
switch (p_collect_data_v3->version) {
case WL_PROXD_COLLECT_EVENT_DATA_VERSION_3:
if (p_collect_data_v3->length !=
(len - OFFSETOF(wl_proxd_collect_event_data_v3_t, H_LB))) {
DHD_RTT(("\tversion/length mismatch\n"));
break;
}
DHD_RTT(("\tH_RX\n"));
for (i = 0; i < K_TOF_COLLECT_H_SIZE_20MHZ; i++) {
p_collect_data_v3->H_RX[i] =
ltoh32_ua(&p_collect_data_v3->H_RX[i]);
DHD_RTT(("\t%u\n", p_collect_data_v3->H_RX[i]));
}
DHD_RTT(("\n"));
DHD_RTT(("\tH_LB\n"));
for (i = 0; i < K_TOF_COLLECT_H_SIZE_20MHZ; i++) {
p_collect_data_v3->H_LB[i] =
ltoh32_ua(&p_collect_data_v3->H_LB[i]);
DHD_RTT(("\t%u\n", p_collect_data_v3->H_LB[i]));
}
DHD_RTT(("\n"));
DHD_RTT(("\tri_rr\n"));
for (i = 0; i < FTM_TPK_RI_RR_LEN_SECURE_2_0; i++) {
DHD_RTT(("\t%u\n", p_collect_data_v3->ri_rr[i]));
}
p_collect_data_v3->phy_err_mask =
ltoh32_ua(&p_collect_data_v3->phy_err_mask);
DHD_RTT(("\tphy_err_mask=0x%x\n", p_collect_data_v3->phy_err_mask));
break;
/* future case */
}
break;
}
}
static uint16
rtt_result_ver(uint16 tlvid, const uint8 *p_data)
{
uint16 ret = BCME_OK;
const wl_proxd_rtt_result_v2_t *r_v2 = NULL;
switch (tlvid) {
case WL_PROXD_TLV_ID_RTT_RESULT:
BCM_REFERENCE(p_data);
ret = WL_PROXD_RTT_RESULT_VERSION_1;
break;
case WL_PROXD_TLV_ID_RTT_RESULT_V2:
if (p_data) {
r_v2 = (const wl_proxd_rtt_result_v2_t *)p_data;
if (r_v2->version == WL_PROXD_RTT_RESULT_VERSION_2) {
ret = WL_PROXD_RTT_RESULT_VERSION_2;
}
}
break;
default:
DHD_RTT_ERR(("%s: > Unsupported TLV ID %d\n",
__FUNCTION__, tlvid));
break;
}
return ret;
}
/* pretty hex print a contiguous buffer */
static void
rtt_prhex(const char *msg, const uint8 *buf, uint nbytes)
{
char line[128], *p;
int len = sizeof(line);
int nchar;
uint i;
if (msg && (msg[0] != '\0'))
DHD_RTT(("%s:\n", msg));
p = line;
for (i = 0; i < nbytes; i++) {
if (i % 16 == 0) {
nchar = snprintf(p, len, " %04d: ", i); /* line prefix */
p += nchar;
len -= nchar;
}
if (len > 0) {
nchar = snprintf(p, len, "%02x ", buf[i]);
p += nchar;
len -= nchar;
}
if (i % 16 == 15) {
DHD_RTT(("%s\n", line)); /* flush line */
p = line;
len = sizeof(line);
}
}
/* flush last partial line */
if (p != line)
DHD_RTT(("%s\n", line));
}
static int
rtt_unpack_xtlv_cbfn(void *ctx, const uint8 *p_data, uint16 tlvid, uint16 len)
{
int ret = BCME_OK;
int i;
wl_proxd_ftm_session_status_t *p_data_info = NULL;
uint32 chan_data_entry = 0;
uint16 expected_rtt_result_ver = 0;
BCM_REFERENCE(p_data_info);
switch (tlvid) {
case WL_PROXD_TLV_ID_RTT_RESULT:
case WL_PROXD_TLV_ID_RTT_RESULT_V2:
DHD_RTT(("WL_PROXD_TLV_ID_RTT_RESULT\n"));
expected_rtt_result_ver = rtt_result_ver(tlvid, p_data);
switch (expected_rtt_result_ver) {
case WL_PROXD_RTT_RESULT_VERSION_1:
ret = dhd_rtt_convert_results_to_host_v1((rtt_result_t *)ctx,
p_data, tlvid, len);
break;
case WL_PROXD_RTT_RESULT_VERSION_2:
ret = dhd_rtt_convert_results_to_host_v2((rtt_result_t *)ctx,
p_data, tlvid, len);
break;
default:
DHD_RTT_ERR((" > Unsupported RTT_RESULT version\n"));
ret = BCME_UNSUPPORTED;
break;
}
break;
case WL_PROXD_TLV_ID_SESSION_STATUS:
DHD_RTT(("WL_PROXD_TLV_ID_SESSION_STATUS\n"));
memcpy(ctx, p_data, sizeof(wl_proxd_ftm_session_status_t));
p_data_info = (wl_proxd_ftm_session_status_t *)ctx;
p_data_info->sid = ltoh16_ua(&p_data_info->sid);
p_data_info->state = ltoh16_ua(&p_data_info->state);
p_data_info->status = ltoh32_ua(&p_data_info->status);
p_data_info->burst_num = ltoh16_ua(&p_data_info->burst_num);
DHD_RTT(("\tsid=%u, state=%d, status=%d, burst_num=%u\n",
p_data_info->sid, p_data_info->state,
p_data_info->status, p_data_info->burst_num));
break;
case WL_PROXD_TLV_ID_COLLECT_DATA:
DHD_RTT(("WL_PROXD_TLV_ID_COLLECT_DATA\n"));
rtt_collect_event_data_display(
rtt_collect_data_event_ver(len),
ctx, p_data, len);
break;
case WL_PROXD_TLV_ID_COLLECT_CHAN_DATA:
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
DHD_RTT(("WL_PROXD_TLV_ID_COLLECT_CHAN_DATA\n"));
DHD_RTT(("\tchan est %u\n", (uint32) (len / sizeof(uint32))));
for (i = 0; i < (len/sizeof(chan_data_entry)); i++) {
uint32 *p = (uint32*)p_data;
chan_data_entry = ltoh32_ua(p + i);
DHD_RTT(("\t%u\n", chan_data_entry));
}
GCC_DIAGNOSTIC_POP();
break;
case WL_PROXD_TLV_ID_MF_STATS_DATA:
DHD_RTT(("WL_PROXD_TLV_ID_MF_STATS_DATA\n"));
DHD_RTT(("\tmf stats len=%u\n", len));
rtt_prhex("", p_data, len);
break;
default:
DHD_RTT_ERR(("> Unsupported TLV ID %d\n", tlvid));
ret = BCME_ERROR;
break;
}
return ret;
}
#ifdef WL_CFG80211
static int
rtt_handle_config_options(wl_proxd_session_id_t session_id, wl_proxd_tlv_t **p_tlv,
uint16 *p_buf_space_left, ftm_config_options_info_t *ftm_configs, int ftm_cfg_cnt)
{
int ret = BCME_OK;
int cfg_idx = 0;
uint32 flags = WL_PROXD_FLAG_NONE;
uint32 flags_mask = WL_PROXD_FLAG_NONE;
uint32 new_mask; /* cmdline input */
ftm_config_options_info_t *p_option_info;
uint16 type = (session_id == WL_PROXD_SESSION_ID_GLOBAL) ?
WL_PROXD_TLV_ID_FLAGS_MASK : WL_PROXD_TLV_ID_SESSION_FLAGS_MASK;
for (cfg_idx = 0; cfg_idx < ftm_cfg_cnt; cfg_idx++) {
p_option_info = (ftm_configs + cfg_idx);
if (p_option_info != NULL) {
new_mask = p_option_info->flags;
/* update flags mask */
flags_mask |= new_mask;
if (p_option_info->enable) {
flags |= new_mask; /* set the bit on */
} else {
flags &= ~new_mask; /* set the bit off */
}
}
}
flags = htol32(flags);
flags_mask = htol32(flags_mask);
/* setup flags_mask TLV */
ret = bcm_pack_xtlv_entry((uint8 **)p_tlv, p_buf_space_left,
type, sizeof(uint32), (uint8 *)&flags_mask, BCM_XTLV_OPTION_ALIGN32);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s : bcm_pack_xltv_entry() for mask flags failed, status=%d\n",
__FUNCTION__, ret));
goto exit;
}
type = (session_id == WL_PROXD_SESSION_ID_GLOBAL)?
WL_PROXD_TLV_ID_FLAGS : WL_PROXD_TLV_ID_SESSION_FLAGS;
/* setup flags TLV */
ret = bcm_pack_xtlv_entry((uint8 **)p_tlv, p_buf_space_left,
type, sizeof(uint32), (uint8 *)&flags, BCM_XTLV_OPTION_ALIGN32);
if (ret != BCME_OK) {
#ifdef RTT_DEBUG
DHD_RTT(("%s: bcm_pack_xltv_entry() for flags failed, status=%d\n",
__FUNCTION__, ret));
#endif // endif
}
exit:
return ret;
}
static int
rtt_handle_config_general(wl_proxd_session_id_t session_id, wl_proxd_tlv_t **p_tlv,
uint16 *p_buf_space_left, ftm_config_param_info_t *ftm_configs, int ftm_cfg_cnt)
{
int ret = BCME_OK;
int cfg_idx = 0;
uint32 chanspec;
ftm_config_param_info_t *p_config_param_info;
void *p_src_data;
uint16 src_data_size; /* size of data pointed by p_src_data as 'source' */
for (cfg_idx = 0; cfg_idx < ftm_cfg_cnt; cfg_idx++) {
p_config_param_info = (ftm_configs + cfg_idx);
if (p_config_param_info != NULL) {
switch (p_config_param_info->tlvid) {
case WL_PROXD_TLV_ID_BSS_INDEX:
case WL_PROXD_TLV_ID_FTM_RETRIES:
case WL_PROXD_TLV_ID_FTM_REQ_RETRIES:
p_src_data = &p_config_param_info->data8;
src_data_size = sizeof(uint8);
break;
case WL_PROXD_TLV_ID_BURST_NUM_FTM: /* uint16 */
case WL_PROXD_TLV_ID_NUM_BURST:
case WL_PROXD_TLV_ID_RX_MAX_BURST:
p_src_data = &p_config_param_info->data16;
src_data_size = sizeof(uint16);
break;
case WL_PROXD_TLV_ID_TX_POWER: /* uint32 */
case WL_PROXD_TLV_ID_RATESPEC:
case WL_PROXD_TLV_ID_EVENT_MASK: /* wl_proxd_event_mask_t/uint32 */
case WL_PROXD_TLV_ID_DEBUG_MASK:
p_src_data = &p_config_param_info->data32;
src_data_size = sizeof(uint32);
break;
case WL_PROXD_TLV_ID_CHANSPEC: /* chanspec_t --> 32bit */
chanspec = p_config_param_info->chanspec;
p_src_data = (void *) &chanspec;
src_data_size = sizeof(uint32);
break;
case WL_PROXD_TLV_ID_BSSID: /* mac address */
case WL_PROXD_TLV_ID_PEER_MAC:
case WL_PROXD_TLV_ID_CUR_ETHER_ADDR:
p_src_data = &p_config_param_info->mac_addr;
src_data_size = sizeof(struct ether_addr);
break;
case WL_PROXD_TLV_ID_BURST_DURATION: /* wl_proxd_intvl_t */
case WL_PROXD_TLV_ID_BURST_PERIOD:
case WL_PROXD_TLV_ID_BURST_FTM_SEP:
case WL_PROXD_TLV_ID_BURST_TIMEOUT:
case WL_PROXD_TLV_ID_INIT_DELAY:
p_src_data = &p_config_param_info->data_intvl;
src_data_size = sizeof(wl_proxd_intvl_t);
break;
default:
ret = BCME_BADARG;
break;
}
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s bad TLV ID : %d\n",
__FUNCTION__, p_config_param_info->tlvid));
break;
}
ret = bcm_pack_xtlv_entry((uint8 **) p_tlv, p_buf_space_left,
p_config_param_info->tlvid, src_data_size, (uint8 *)p_src_data,
BCM_XTLV_OPTION_ALIGN32);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s: bcm_pack_xltv_entry() failed,"
" status=%d\n", __FUNCTION__, ret));
break;
}
}
}
return ret;
}
static int
dhd_rtt_ftm_enable(dhd_pub_t *dhd, bool enable)
{
ftm_subcmd_info_t subcmd_info;
subcmd_info.name = (enable)? "enable" : "disable";
subcmd_info.cmdid = (enable)? WL_PROXD_CMD_ENABLE: WL_PROXD_CMD_DISABLE;
subcmd_info.handler = NULL;
return dhd_rtt_common_set_handler(dhd, &subcmd_info,
WL_PROXD_METHOD_FTM, WL_PROXD_SESSION_ID_GLOBAL);
}
static int
dhd_rtt_start_session(dhd_pub_t *dhd, wl_proxd_session_id_t session_id, bool start)
{
ftm_subcmd_info_t subcmd_info;
subcmd_info.name = (start)? "start session" : "stop session";
subcmd_info.cmdid = (start)? WL_PROXD_CMD_START_SESSION: WL_PROXD_CMD_STOP_SESSION;
subcmd_info.handler = NULL;
return dhd_rtt_common_set_handler(dhd, &subcmd_info,
WL_PROXD_METHOD_FTM, session_id);
}
static int
dhd_rtt_delete_session(dhd_pub_t *dhd, wl_proxd_session_id_t session_id)
{
ftm_subcmd_info_t subcmd_info;
subcmd_info.name = "delete session";
subcmd_info.cmdid = WL_PROXD_CMD_DELETE_SESSION;
subcmd_info.handler = NULL;
return dhd_rtt_common_set_handler(dhd, &subcmd_info,
WL_PROXD_METHOD_FTM, session_id);
}
#ifdef WL_NAN
int
dhd_rtt_delete_nan_session(dhd_pub_t *dhd)
{
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
struct wireless_dev *wdev = ndev_to_wdev(dev);
struct wiphy *wiphy = wdev->wiphy;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
wl_cfgnan_terminate_directed_rtt_sessions(dev, cfg);
return BCME_OK;
}
#endif /* WL_NAN */
/* API to find out if the given Peer Mac from FTM events
* is nan-peer. Based on this we will handle the SESSION_END
* event. For nan-peer FTM_SESSION_END event is ignored and handled in
* nan-ranging-cancel or nan-ranging-end event.
*/
static bool
dhd_rtt_is_nan_peer(dhd_pub_t *dhd, struct ether_addr *peer_mac)
{
#ifdef WL_NAN
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
struct wireless_dev *wdev = ndev_to_wdev(dev);
struct wiphy *wiphy = wdev->wiphy;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
nan_ranging_inst_t *ranging_inst = NULL;
bool ret = FALSE;
if (cfg->nan_enable == FALSE || ETHER_ISNULLADDR(peer_mac)) {
goto exit;
}
ranging_inst = wl_cfgnan_check_for_ranging(cfg, peer_mac);
if (ranging_inst) {
DHD_RTT((" RTT peer is of type NAN\n"));
ret = TRUE;
goto exit;
}
exit:
return ret;
#else
return FALSE;
#endif /* WL_NAN */
}
#ifdef WL_NAN
static int
dhd_rtt_nan_start_session(dhd_pub_t *dhd, rtt_target_info_t *rtt_target)
{
s32 err = BCME_OK;
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
struct wireless_dev *wdev = ndev_to_wdev(dev);
struct wiphy *wiphy = wdev->wiphy;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
wl_nan_ev_rng_rpt_ind_t range_res;
nan_ranging_inst_t *ranging_inst = NULL;
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
NAN_MUTEX_LOCK();
bzero(&range_res, sizeof(range_res));
if (!rtt_status) {
err = BCME_NOTENABLED;
goto done;
}
if (!cfg->nan_enable) { /* If nan is not enabled report error */
err = BCME_NOTENABLED;
goto done;
}
/* check if new ranging session allowed */
if (!wl_cfgnan_ranging_allowed(cfg)) {
/* responder should be in progress because initiator requests are
* queued in DHD. Since initiator has more proef cancel responder
* sessions
*/
wl_cfgnan_cancel_rng_responders(dev, cfg);
}
ranging_inst = wl_cfgnan_get_ranging_inst(cfg,
&rtt_target->addr, NAN_RANGING_ROLE_INITIATOR);
if (!ranging_inst) {
err = BCME_NORESOURCE;
goto done;
}
DHD_RTT(("Trigger nan based range request\n"));
err = wl_cfgnan_trigger_ranging(bcmcfg_to_prmry_ndev(cfg),
cfg, ranging_inst, NULL, NAN_RANGE_REQ_CMD, TRUE);
if (unlikely(err)) {
goto done;
}
ranging_inst->range_type = RTT_TYPE_NAN_DIRECTED;
ranging_inst->range_role = NAN_RANGING_ROLE_INITIATOR;
/* schedule proxd timeout */
schedule_delayed_work(&rtt_status->proxd_timeout,
msecs_to_jiffies(DHD_NAN_RTT_TIMER_INTERVAL_MS));
done:
if (err) { /* notify failure RTT event to host */
DHD_RTT_ERR(("Failed to issue Nan Ranging Request err %d\n", err));
dhd_rtt_handle_nan_rtt_session_end(dhd, &rtt_target->addr);
/* try to reset geofence */
if (ranging_inst) {
wl_cfgnan_reset_geofence_ranging(cfg, ranging_inst,
RTT_SCHED_DIR_TRIGGER_FAIL);
}
}
NAN_MUTEX_UNLOCK();
return err;
}
#endif /* WL_NAN */
static int
dhd_rtt_ftm_config(dhd_pub_t *dhd, wl_proxd_session_id_t session_id,
ftm_config_category_t catagory, void *ftm_configs, int ftm_cfg_cnt)
{
ftm_subcmd_info_t subcmd_info;
wl_proxd_tlv_t *p_tlv;
/* alloc mem for ioctl headr + reserved 0 bufsize for tlvs (initialize to zero) */
wl_proxd_iov_t *p_proxd_iov;
uint16 proxd_iovsize = 0;
uint16 bufsize;
uint16 buf_space_left;
uint16 all_tlvsize;
int ret = BCME_OK;
subcmd_info.name = "config";
subcmd_info.cmdid = WL_PROXD_CMD_CONFIG;
p_proxd_iov = rtt_alloc_getset_buf(WL_PROXD_METHOD_FTM, session_id, subcmd_info.cmdid,
FTM_IOC_BUFSZ, &proxd_iovsize);
if (p_proxd_iov == NULL) {
DHD_RTT_ERR(("%s : failed to allocate the iovar (size :%d)\n",
__FUNCTION__, FTM_IOC_BUFSZ));
return BCME_NOMEM;
}
/* setup TLVs */
bufsize = proxd_iovsize - WL_PROXD_IOV_HDR_SIZE; /* adjust available size for TLVs */
p_tlv = &p_proxd_iov->tlvs[0];
/* TLV buffer starts with a full size, will decrement for each packed TLV */
buf_space_left = bufsize;
if (catagory == FTM_CONFIG_CAT_OPTIONS) {
ret = rtt_handle_config_options(session_id, &p_tlv, &buf_space_left,
(ftm_config_options_info_t *)ftm_configs, ftm_cfg_cnt);
} else if (catagory == FTM_CONFIG_CAT_GENERAL) {
ret = rtt_handle_config_general(session_id, &p_tlv, &buf_space_left,
(ftm_config_param_info_t *)ftm_configs, ftm_cfg_cnt);
}
if (ret == BCME_OK) {
/* update the iov header, set len to include all TLVs + header */
all_tlvsize = (bufsize - buf_space_left);
p_proxd_iov->len = htol16(all_tlvsize + WL_PROXD_IOV_HDR_SIZE);
ret = dhd_iovar(dhd, 0, "proxd", (char *)p_proxd_iov,
all_tlvsize + WL_PROXD_IOV_HDR_SIZE, NULL, 0, TRUE);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s : failed to set config\n", __FUNCTION__));
}
}
/* clean up */
kfree(p_proxd_iov);
return ret;
}
static int
dhd_rtt_get_version(dhd_pub_t *dhd, int *out_version)
{
int ret;
ftm_subcmd_info_t subcmd_info;
subcmd_info.name = "ver";
subcmd_info.cmdid = WL_PROXD_CMD_GET_VERSION;
subcmd_info.handler = NULL;
ret = dhd_rtt_common_get_handler(dhd, &subcmd_info,
WL_PROXD_METHOD_FTM, WL_PROXD_SESSION_ID_GLOBAL);
*out_version = (ret == BCME_OK) ? subcmd_info.version : 0;
return ret;
}
#endif /* WL_CFG80211 */
chanspec_t
dhd_rtt_convert_to_chspec(wifi_channel_info_t channel)
{
int bw;
chanspec_t chanspec = 0;
uint8 center_chan;
uint8 primary_chan;
/* set witdh to 20MHZ for 2.4G HZ */
if (channel.center_freq >= 2400 && channel.center_freq <= 2500) {
channel.width = WIFI_CHAN_WIDTH_20;
}
switch (channel.width) {
case WIFI_CHAN_WIDTH_20:
bw = WL_CHANSPEC_BW_20;
primary_chan = wf_mhz2channel(channel.center_freq, 0);
chanspec = wf_channel2chspec(primary_chan, bw);
break;
case WIFI_CHAN_WIDTH_40:
bw = WL_CHANSPEC_BW_40;
primary_chan = wf_mhz2channel(channel.center_freq, 0);
chanspec = wf_channel2chspec(primary_chan, bw);
break;
case WIFI_CHAN_WIDTH_80:
bw = WL_CHANSPEC_BW_80;
primary_chan = wf_mhz2channel(channel.center_freq, 0);
center_chan = wf_mhz2channel(channel.center_freq0, 0);
chanspec = wf_chspec_80(center_chan, primary_chan);
break;
default:
DHD_RTT_ERR(("doesn't support this bandwith : %d", channel.width));
bw = -1;
break;
}
return chanspec;
}
int
dhd_rtt_idx_to_burst_duration(uint idx)
{
if (idx >= ARRAY_SIZE(burst_duration_idx)) {
return -1;
}
return burst_duration_idx[idx];
}
int
dhd_rtt_set_cfg(dhd_pub_t *dhd, rtt_config_params_t *params)
{
int err = BCME_OK;
int idx;
rtt_status_info_t *rtt_status = NULL;
struct net_device *dev = NULL;
NULL_CHECK(params, "params is NULL", err);
NULL_CHECK(dhd, "dhd is NULL", err);
dev = dhd_linux_get_primary_netdev(dhd);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
NULL_CHECK(dev, "dev is NULL", err);
if (!HAS_11MC_CAP(rtt_status->rtt_capa.proto)) {
DHD_RTT_ERR(("doesn't support RTT \n"));
err = BCME_ERROR;
goto exit;
}
DHD_RTT(("%s enter\n", __FUNCTION__));
if (params->rtt_target_cnt > 0) {
#ifdef WL_NAN
/* cancel ongoing geofence RTT if there */
if ((err = wl_cfgnan_suspend_geofence_rng_session(dev,
NULL, RTT_GEO_SUSPN_HOST_DIR_RTT_TRIG, 0)) != BCME_OK) {
goto exit;
}
#endif /* WL_NAN */
} else {
err = BCME_BADARG;
goto exit;
}
mutex_lock(&rtt_status->rtt_mutex);
if (rtt_status->status != RTT_STOPPED) {
DHD_RTT_ERR(("rtt is already started\n"));
err = BCME_BUSY;
goto exit;
}
memset(rtt_status->rtt_config.target_info, 0, TARGET_INFO_SIZE(RTT_MAX_TARGET_CNT));
rtt_status->rtt_config.rtt_target_cnt = params->rtt_target_cnt;
memcpy(rtt_status->rtt_config.target_info,
params->target_info, TARGET_INFO_SIZE(params->rtt_target_cnt));
rtt_status->status = RTT_STARTED;
DHD_RTT_MEM(("dhd_rtt_set_cfg: RTT Started, target_cnt = %d\n", params->rtt_target_cnt));
/* start to measure RTT from first device */
/* find next target to trigger RTT */
for (idx = rtt_status->cur_idx; idx < rtt_status->rtt_config.rtt_target_cnt; idx++) {
/* skip the disabled device */
if (rtt_status->rtt_config.target_info[idx].disable) {
continue;
} else {
/* set the idx to cur_idx */
rtt_status->cur_idx = idx;
break;
}
}
if (idx < rtt_status->rtt_config.rtt_target_cnt) {
DHD_RTT(("rtt_status->cur_idx : %d\n", rtt_status->cur_idx));
rtt_status->rtt_sched_reason = RTT_SCHED_HOST_TRIGGER;
schedule_work(&rtt_status->work);
}
exit:
mutex_unlock(&rtt_status->rtt_mutex);
return err;
}
#define GEOFENCE_RTT_LOCK(rtt_status) mutex_lock(&(rtt_status)->geofence_mutex)
#define GEOFENCE_RTT_UNLOCK(rtt_status) mutex_unlock(&(rtt_status)->geofence_mutex)
#ifdef WL_NAN
/* sets geofence role concurrency state TRUE/FALSE */
void
dhd_rtt_set_role_concurrency_state(dhd_pub_t *dhd, bool state)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return;
}
GEOFENCE_RTT_LOCK(rtt_status);
rtt_status->geofence_cfg.role_concurr_state = state;
GEOFENCE_RTT_UNLOCK(rtt_status);
}
/* returns TRUE if geofence role concurrency constraint exists */
bool
dhd_rtt_get_role_concurrency_state(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return FALSE;
}
return rtt_status->geofence_cfg.role_concurr_state;
}
int8
dhd_rtt_get_geofence_target_cnt(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return 0;
}
return rtt_status->geofence_cfg.geofence_target_cnt;
}
/* sets geofence rtt state TRUE/FALSE */
void
dhd_rtt_set_geofence_rtt_state(dhd_pub_t *dhd, bool state)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return;
}
GEOFENCE_RTT_LOCK(rtt_status);
rtt_status->geofence_cfg.rtt_in_progress = state;
GEOFENCE_RTT_UNLOCK(rtt_status);
}
/* returns TRUE if geofence rtt is in progress */
bool
dhd_rtt_get_geofence_rtt_state(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return FALSE;
}
return rtt_status->geofence_cfg.rtt_in_progress;
}
/* returns geofence RTT target list Head */
rtt_geofence_target_info_t*
dhd_rtt_get_geofence_target_head(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
rtt_geofence_target_info_t* head = NULL;
if (!rtt_status) {
return NULL;
}
if (rtt_status->geofence_cfg.geofence_target_cnt) {
head = &rtt_status->geofence_cfg.geofence_target_info[0];
}
return head;
}
int8
dhd_rtt_get_geofence_cur_target_idx(dhd_pub_t *dhd)
{
int8 target_cnt = 0, cur_idx = DHD_RTT_INVALID_TARGET_INDEX;
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
goto exit;
}
target_cnt = rtt_status->geofence_cfg.geofence_target_cnt;
if (target_cnt == 0) {
goto exit;
}
cur_idx = rtt_status->geofence_cfg.cur_target_idx;
ASSERT(cur_idx <= target_cnt);
exit:
return cur_idx;
}
void
dhd_rtt_move_geofence_cur_target_idx_to_next(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return;
}
if (rtt_status->geofence_cfg.geofence_target_cnt == 0) {
/* Invalidate current idx if no targets */
rtt_status->geofence_cfg.cur_target_idx =
DHD_RTT_INVALID_TARGET_INDEX;
/* Cancel pending retry timer if any */
if (delayed_work_pending(&rtt_status->rtt_retry_timer)) {
cancel_delayed_work(&rtt_status->rtt_retry_timer);
}
return;
}
rtt_status->geofence_cfg.cur_target_idx++;
if (rtt_status->geofence_cfg.cur_target_idx >=
rtt_status->geofence_cfg.geofence_target_cnt) {
/* Reset once all targets done */
rtt_status->geofence_cfg.cur_target_idx = 0;
}
}
/* returns geofence current RTT target */
rtt_geofence_target_info_t*
dhd_rtt_get_geofence_current_target(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
rtt_geofence_target_info_t* cur_target = NULL;
int cur_idx = 0;
if (!rtt_status) {
return NULL;
}
cur_idx = dhd_rtt_get_geofence_cur_target_idx(dhd);
if (cur_idx >= 0) {
cur_target = &rtt_status->geofence_cfg.geofence_target_info[cur_idx];
}
return cur_target;
}
/* returns geofence target from list for the peer */
rtt_geofence_target_info_t*
dhd_rtt_get_geofence_target(dhd_pub_t *dhd, struct ether_addr* peer_addr, int8 *index)
{
int8 i;
rtt_status_info_t *rtt_status;
int target_cnt;
rtt_geofence_target_info_t *geofence_target_info, *tgt = NULL;
rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
return NULL;
}
target_cnt = rtt_status->geofence_cfg.geofence_target_cnt;
geofence_target_info = rtt_status->geofence_cfg.geofence_target_info;
/* Loop through to find target */
for (i = 0; i < target_cnt; i++) {
if (geofence_target_info[i].valid == FALSE) {
break;
}
if (!memcmp(peer_addr, &geofence_target_info[i].peer_addr,
ETHER_ADDR_LEN)) {
*index = i;
tgt = &geofence_target_info[i];
}
}
if (!tgt) {
DHD_RTT(("dhd_rtt_get_geofence_target: Target not found in list,"
" MAC ADDR: "MACDBG" \n", MAC2STRDBG(peer_addr)));
}
return tgt;
}
/* add geofence target to the target list */
int
dhd_rtt_add_geofence_target(dhd_pub_t *dhd, rtt_geofence_target_info_t *target)
{
int err = BCME_OK;
rtt_status_info_t *rtt_status;
rtt_geofence_target_info_t *geofence_target_info;
int8 geofence_target_cnt, index;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
GEOFENCE_RTT_LOCK(rtt_status);
/* Get the geofence_target via peer addr, index param is dumm here */
geofence_target_info = dhd_rtt_get_geofence_target(dhd, &target->peer_addr, &index);
if (geofence_target_info) {
DHD_RTT(("Duplicate geofencing RTT add request dropped\n"));
err = BCME_OK;
goto exit;
}
geofence_target_cnt = rtt_status->geofence_cfg.geofence_target_cnt;
if (geofence_target_cnt >= RTT_MAX_GEOFENCE_TARGET_CNT) {
DHD_RTT(("Queue full, Geofencing RTT add request dropped\n"));
err = BCME_NORESOURCE;
goto exit;
}
/* Add Geofence RTT request and increment target count */
geofence_target_info = rtt_status->geofence_cfg.geofence_target_info;
/* src and dest buffer len same, pointers of same DS statically allocated */
(void)memcpy_s(&geofence_target_info[geofence_target_cnt],
sizeof(geofence_target_info[geofence_target_cnt]), target,
sizeof(*target));
geofence_target_info[geofence_target_cnt].valid = TRUE;
rtt_status->geofence_cfg.geofence_target_cnt++;
if (rtt_status->geofence_cfg.geofence_target_cnt == 1) {
/* Adding first target */
rtt_status->geofence_cfg.cur_target_idx = 0;
}
exit:
GEOFENCE_RTT_UNLOCK(rtt_status);
return err;
}
/* removes geofence target from the target list */
int
dhd_rtt_remove_geofence_target(dhd_pub_t *dhd, struct ether_addr *peer_addr)
{
int err = BCME_OK;
rtt_status_info_t *rtt_status;
rtt_geofence_target_info_t *geofence_target_info;
int8 geofence_target_cnt, j, index = 0;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
GEOFENCE_RTT_LOCK(rtt_status);
geofence_target_cnt = dhd_rtt_get_geofence_target_cnt(dhd);
if (geofence_target_cnt == 0) {
DHD_RTT(("Queue Empty, Geofencing RTT remove request dropped\n"));
ASSERT(0);
goto exit;
}
/* Get the geofence_target via peer addr */
geofence_target_info = dhd_rtt_get_geofence_target(dhd, peer_addr, &index);
if (geofence_target_info == NULL) {
DHD_RTT(("Geofencing RTT target not found, remove request dropped\n"));
err = BCME_NOTFOUND;
goto exit;
}
/* left shift all the valid entries, as we dont keep holes in list */
for (j = index; (j+1) < geofence_target_cnt; j++) {
if (geofence_target_info[j].valid == TRUE) {
/*
* src and dest buffer len same, pointers of same DS
* statically allocated
*/
(void)memcpy_s(&geofence_target_info[j], sizeof(geofence_target_info[j]),
&geofence_target_info[j + 1],
sizeof(geofence_target_info[j + 1]));
} else {
break;
}
}
rtt_status->geofence_cfg.geofence_target_cnt--;
if ((rtt_status->geofence_cfg.geofence_target_cnt == 0) ||
(index == rtt_status->geofence_cfg.cur_target_idx)) {
/* Move cur_idx to next target */
dhd_rtt_move_geofence_cur_target_idx_to_next(dhd);
} else if (index < rtt_status->geofence_cfg.cur_target_idx) {
/* Decrement cur index if cur target position changed */
rtt_status->geofence_cfg.cur_target_idx--;
}
exit:
GEOFENCE_RTT_UNLOCK(rtt_status);
return err;
}
/* deletes/empty geofence target list */
int
dhd_rtt_delete_geofence_target_list(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status;
int err = BCME_OK;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
GEOFENCE_RTT_LOCK(rtt_status);
memset_s(&rtt_status->geofence_cfg, sizeof(rtt_geofence_cfg_t),
0, sizeof(rtt_geofence_cfg_t));
GEOFENCE_RTT_UNLOCK(rtt_status);
return err;
}
int
dhd_rtt_sched_geofencing_target(dhd_pub_t *dhd)
{
rtt_geofence_target_info_t *geofence_target_info;
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
int ret = BCME_OK;
bool geofence_state;
bool role_concurrency_state;
u8 rtt_invalid_reason = RTT_STATE_VALID;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
NAN_MUTEX_LOCK();
if ((cfg->nan_init_state == FALSE) ||
(cfg->nan_enable == FALSE)) {
ret = BCME_NOTENABLED;
goto done;
}
geofence_state = dhd_rtt_get_geofence_rtt_state(dhd);
role_concurrency_state = dhd_rtt_get_role_concurrency_state(dhd);
DHD_RTT_ERR(("dhd_rtt_sched_geofencing_target: sched_reason = %d\n",
rtt_status->rtt_sched_reason));
if (geofence_state == TRUE || role_concurrency_state == TRUE) {
ret = BCME_ERROR;
DHD_RTT_ERR(("geofencing constraint , sched request dropped,"
" geofence_state = %d, role_concurrency_state = %d\n",
geofence_state, role_concurrency_state));
goto done;
}
/* Get current geofencing target */
geofence_target_info = dhd_rtt_get_geofence_current_target(dhd);
/* call cfg API for trigerring geofencing RTT */
if (geofence_target_info) {
/* check for dp/others concurrency */
rtt_invalid_reason = dhd_rtt_invalid_states(dev,
&geofence_target_info->peer_addr);
if (rtt_invalid_reason != RTT_STATE_VALID) {
ret = BCME_BUSY;
DHD_RTT_ERR(("DRV State is not valid for RTT, "
"invalid_state = %d\n", rtt_invalid_reason));
goto done;
}
ret = wl_cfgnan_trigger_geofencing_ranging(dev,
&geofence_target_info->peer_addr);
if (ret == BCME_OK) {
dhd_rtt_set_geofence_rtt_state(dhd, TRUE);
}
} else {
DHD_RTT(("No RTT target to schedule\n"));
ret = BCME_NOTFOUND;
}
done:
NAN_MUTEX_UNLOCK();
return ret;
}
#endif /* WL_NAN */
#ifdef WL_CFG80211
#ifdef WL_NAN
static void
dhd_rtt_retry(dhd_pub_t *dhd)
{
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
rtt_geofence_target_info_t *geofence_target = NULL;
nan_ranging_inst_t *ranging_inst = NULL;
geofence_target = dhd_rtt_get_geofence_current_target(dhd);
if (!geofence_target) {
DHD_RTT(("dhd_rtt_retry: geofence target null\n"));
goto exit;
}
ranging_inst = wl_cfgnan_get_ranging_inst(cfg,
&geofence_target->peer_addr, NAN_RANGING_ROLE_INITIATOR);
if (!ranging_inst) {
DHD_RTT(("dhd_rtt_retry: ranging instance null\n"));
goto exit;
}
wl_cfgnan_reset_geofence_ranging(cfg,
ranging_inst, RTT_SCHED_RTT_RETRY_GEOFENCE);
exit:
return;
}
static void
dhd_rtt_retry_work(struct work_struct *work)
{
rtt_status_info_t *rtt_status = NULL;
dhd_pub_t *dhd = NULL;
struct net_device *dev = NULL;
struct bcm_cfg80211 *cfg = NULL;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
rtt_status = container_of(work, rtt_status_info_t, proxd_timeout.work);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
dhd = rtt_status->dhd;
if (dhd == NULL) {
DHD_RTT_ERR(("%s : dhd is NULL\n", __FUNCTION__));
goto exit;
}
dev = dhd_linux_get_primary_netdev(dhd);
cfg = wl_get_cfg(dev);
NAN_MUTEX_LOCK();
mutex_lock(&rtt_status->rtt_mutex);
(void) dhd_rtt_retry(dhd);
mutex_unlock(&rtt_status->rtt_mutex);
NAN_MUTEX_UNLOCK();
exit:
return;
}
#endif /* WL_NAN */
/*
* Return zero (0)
* for valid RTT state
* means if RTT is applicable
*/
uint8
dhd_rtt_invalid_states(struct net_device *ndev, struct ether_addr *peer_addr)
{
uint8 invalid_reason = RTT_STATE_VALID;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
UNUSED_PARAMETER(cfg);
UNUSED_PARAMETER(invalid_reason);
/* Make sure peer addr is not NULL in caller */
ASSERT(peer_addr);
/*
* Keep adding prohibited drv states here
* Only generic conditions which block
* All RTTs like NDP connection
*/
#ifdef WL_NAN
if (wl_cfgnan_data_dp_exists_with_peer(cfg, peer_addr)) {
invalid_reason = RTT_STATE_INV_REASON_NDP_EXIST;
DHD_RTT(("NDP in progress/connected, RTT prohibited\n"));
goto exit;
}
#endif /* WL_NAN */
/* Remove below #defines once more exit calls come */
#ifdef WL_NAN
exit:
#endif /* WL_NAN */
return invalid_reason;
}
#endif /* WL_CFG80211 */
void
dhd_rtt_schedule_rtt_work_thread(dhd_pub_t *dhd, int sched_reason)
{
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
if (rtt_status == NULL) {
ASSERT(0);
} else {
rtt_status->rtt_sched_reason = sched_reason;
schedule_work(&rtt_status->work);
}
return;
}
int
dhd_rtt_stop(dhd_pub_t *dhd, struct ether_addr *mac_list, int mac_cnt)
{
int err = BCME_OK;
#ifdef WL_CFG80211
int i = 0, j = 0;
rtt_status_info_t *rtt_status;
rtt_results_header_t *entry, *next;
rtt_result_t *rtt_result, *next2;
struct rtt_noti_callback *iter;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
if (rtt_status->status == RTT_STOPPED) {
DHD_RTT_ERR(("rtt is not started\n"));
return BCME_OK;
}
DHD_RTT(("%s enter\n", __FUNCTION__));
mutex_lock(&rtt_status->rtt_mutex);
for (i = 0; i < mac_cnt; i++) {
for (j = 0; j < rtt_status->rtt_config.rtt_target_cnt; j++) {
if (!bcmp(&mac_list[i], &rtt_status->rtt_config.target_info[j].addr,
ETHER_ADDR_LEN)) {
rtt_status->rtt_config.target_info[j].disable = TRUE;
}
}
}
if (rtt_status->all_cancel) {
/* cancel all of request */
rtt_status->status = RTT_STOPPED;
DHD_RTT(("current RTT process is cancelled\n"));
/* remove the rtt results in cache */
if (!list_empty(&rtt_status->rtt_results_cache)) {
/* Iterate rtt_results_header list */
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
list_for_each_entry_safe(entry, next,
&rtt_status->rtt_results_cache, list) {
list_del(&entry->list);
/* Iterate rtt_result list */
list_for_each_entry_safe(rtt_result, next2,
&entry->result_list, list) {
list_del(&rtt_result->list);
kfree(rtt_result);
}
kfree(entry);
}
GCC_DIAGNOSTIC_POP();
}
/* send the rtt complete event to wake up the user process */
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
list_for_each_entry(iter, &rtt_status->noti_fn_list, list) {
GCC_DIAGNOSTIC_POP();
iter->noti_fn(iter->ctx, &rtt_status->rtt_results_cache);
}
/* reinitialize the HEAD */
INIT_LIST_HEAD(&rtt_status->rtt_results_cache);
/* clear information for rtt_config */
rtt_status->rtt_config.rtt_target_cnt = 0;
memset(rtt_status->rtt_config.target_info, 0,
TARGET_INFO_SIZE(RTT_MAX_TARGET_CNT));
rtt_status->cur_idx = 0;
/* Cancel pending proxd timeout work if any */
if (delayed_work_pending(&rtt_status->proxd_timeout)) {
cancel_delayed_work(&rtt_status->proxd_timeout);
}
dhd_rtt_delete_session(dhd, FTM_DEFAULT_SESSION);
#ifdef WL_NAN
dhd_rtt_delete_nan_session(dhd);
#endif /* WL_NAN */
dhd_rtt_ftm_enable(dhd, FALSE);
}
mutex_unlock(&rtt_status->rtt_mutex);
#endif /* WL_CFG80211 */
return err;
}
#ifdef WL_CFG80211
static void
dhd_rtt_timeout(dhd_pub_t *dhd)
{
rtt_status_info_t *rtt_status;
#ifndef DHD_DUMP_ON_RTT_TIMEOUT
rtt_target_info_t *rtt_target = NULL;
rtt_target_info_t *rtt_target_info = NULL;
#ifdef WL_NAN
nan_ranging_inst_t *ranging_inst = NULL;
int ret = BCME_OK;
uint32 status;
struct net_device *ndev = dhd_linux_get_primary_netdev(dhd);
struct bcm_cfg80211 *cfg = wiphy_priv(ndev->ieee80211_ptr->wiphy);
#endif /* WL_NAN */
#endif /* !DHD_DUMP_ON_RTT_TIMEOUT */
rtt_status = GET_RTTSTATE(dhd);
if (!rtt_status) {
DHD_RTT_ERR(("Proxd timer expired but no RTT status\n"));
goto exit;
}
if (RTT_IS_STOPPED(rtt_status)) {
DHD_RTT_ERR(("Proxd timer expired but no RTT Request\n"));
goto exit;
}
#ifdef DHD_DUMP_ON_RTT_TIMEOUT
/* Dump, and Panic depending on memdump.info */
if (dhd_query_bus_erros(dhd)) {
goto exit;
}
#ifdef DHD_FW_COREDUMP
if (dhd->memdump_enabled) {
/* Behave based on user memdump info */
dhd->memdump_type = DUMP_TYPE_PROXD_TIMEOUT;
dhd_bus_mem_dump(dhd);
}
#endif /* DHD_FW_COREDUMP */
#else /* DHD_DUMP_ON_RTT_TIMEOUT */
/* Cancel RTT for target and proceed to next target */
rtt_target_info = rtt_status->rtt_config.target_info;
if ((!rtt_target_info) ||
(rtt_status->cur_idx >= rtt_status->rtt_config.rtt_target_cnt)) {
goto exit;
}
rtt_target = &rtt_target_info[rtt_status->cur_idx];
WL_ERR(("Proxd timer expired for Target: "MACDBG" \n", MAC2STRDBG(&rtt_target->addr)));
#ifdef WL_NAN
if (rtt_target->peer == RTT_PEER_NAN) {
ranging_inst = wl_cfgnan_check_for_ranging(cfg, &rtt_target->addr);
if (!ranging_inst) {
goto exit;
}
ret = wl_cfgnan_cancel_ranging(ndev, cfg, ranging_inst->range_id,
NAN_RNG_TERM_FLAG_IMMEDIATE, &status);
if (unlikely(ret) || unlikely(status)) {
WL_ERR(("%s:nan range cancel failed ret = %d status = %d\n",
__FUNCTION__, ret, status));
}
} else
#endif /* WL_NAN */
{
/* For Legacy RTT */
dhd_rtt_delete_session(dhd, FTM_DEFAULT_SESSION);
}
dhd_rtt_create_failure_result(rtt_status, &rtt_target->addr);
dhd_rtt_handle_rtt_session_end(dhd);
#endif /* DHD_DUMP_ON_RTT_TIMEOUT */
exit:
return;
}
static void
dhd_rtt_timeout_work(struct work_struct *work)
{
rtt_status_info_t *rtt_status = NULL;
dhd_pub_t *dhd = NULL;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
rtt_status = container_of(work, rtt_status_info_t, proxd_timeout.work);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
dhd = rtt_status->dhd;
if (dhd == NULL) {
DHD_RTT_ERR(("%s : dhd is NULL\n", __FUNCTION__));
return;
}
mutex_lock(&rtt_status->rtt_mutex);
(void) dhd_rtt_timeout(dhd);
mutex_unlock(&rtt_status->rtt_mutex);
}
static int
dhd_rtt_start(dhd_pub_t *dhd)
{
int err = BCME_OK;
int err_at = 0;
char eabuf[ETHER_ADDR_STR_LEN];
char chanbuf[CHANSPEC_STR_LEN];
int pm = PM_OFF;
int ftm_cfg_cnt = 0;
int ftm_param_cnt = 0;
uint32 rspec = 0;
ftm_config_options_info_t ftm_configs[FTM_MAX_CONFIGS];
ftm_config_param_info_t ftm_params[FTM_MAX_PARAMS];
rtt_target_info_t *rtt_target;
rtt_status_info_t *rtt_status;
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
u8 ioctl_buf[WLC_IOCTL_SMLEN];
u8 rtt_invalid_reason = RTT_STATE_VALID;
int rtt_sched_type = RTT_TYPE_INVALID;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
DHD_RTT(("Enter %s\n", __FUNCTION__));
if (RTT_IS_STOPPED(rtt_status)) {
DHD_RTT(("No Directed RTT target to process, check for geofence\n"));
goto geofence;
}
if (rtt_status->cur_idx >= rtt_status->rtt_config.rtt_target_cnt) {
err = BCME_RANGE;
err_at = 1;
DHD_RTT(("%s : idx %d is out of range\n", __FUNCTION__, rtt_status->cur_idx));
if (rtt_status->flags == WL_PROXD_SESSION_FLAG_TARGET) {
DHD_RTT_ERR(("STA is set as Target/Responder \n"));
err = BCME_ERROR;
err_at = 1;
}
goto exit;
}
rtt_status->pm = PM_OFF;
err = wldev_ioctl_get(dev, WLC_GET_PM, &rtt_status->pm, sizeof(rtt_status->pm));
if (err) {
DHD_RTT_ERR(("Failed to get the PM value\n"));
} else {
err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
if (err) {
DHD_RTT_ERR(("Failed to set the PM\n"));
rtt_status->pm_restore = FALSE;
} else {
rtt_status->pm_restore = TRUE;
}
}
mutex_lock(&rtt_status->rtt_mutex);
/* Get a target information */
rtt_target = &rtt_status->rtt_config.target_info[rtt_status->cur_idx];
mutex_unlock(&rtt_status->rtt_mutex);
DHD_RTT(("%s enter\n", __FUNCTION__));
if (ETHER_ISNULLADDR(rtt_target->addr.octet)) {
err = BCME_BADADDR;
err_at = 2;
DHD_RTT(("RTT Target addr is NULL\n"));
goto exit;
}
/* check for dp/others concurrency */
rtt_invalid_reason = dhd_rtt_invalid_states(dev, &rtt_target->addr);
if (rtt_invalid_reason != RTT_STATE_VALID) {
err = BCME_BUSY;
err_at = 3;
DHD_RTT(("DRV State is not valid for RTT\n"));
goto exit;
}
#ifdef WL_NAN
if (rtt_target->peer == RTT_PEER_NAN) {
rtt_sched_type = RTT_TYPE_NAN_DIRECTED;
rtt_status->status = RTT_ENABLED;
/* Ignore return value..failure taken care inside the API */
dhd_rtt_nan_start_session(dhd, rtt_target);
goto exit;
}
#endif /* WL_NAN */
if (!RTT_IS_ENABLED(rtt_status)) {
/* enable ftm */
err = dhd_rtt_ftm_enable(dhd, TRUE);
if (err) {
DHD_RTT_ERR(("failed to enable FTM (%d)\n", err));
err_at = 5;
goto exit;
}
}
/* delete session of index default sesession */
err = dhd_rtt_delete_session(dhd, FTM_DEFAULT_SESSION);
if (err < 0 && err != BCME_NOTFOUND) {
DHD_RTT_ERR(("failed to delete session of FTM (%d)\n", err));
err_at = 6;
goto exit;
}
rtt_status->status = RTT_ENABLED;
memset(ftm_configs, 0, sizeof(ftm_configs));
memset(ftm_params, 0, sizeof(ftm_params));
/* configure the session 1 as initiator */
ftm_configs[ftm_cfg_cnt].enable = TRUE;
ftm_configs[ftm_cfg_cnt++].flags = WL_PROXD_SESSION_FLAG_INITIATOR;
dhd_rtt_ftm_config(dhd, FTM_DEFAULT_SESSION, FTM_CONFIG_CAT_OPTIONS,
ftm_configs, ftm_cfg_cnt);
memset(ioctl_buf, 0, WLC_IOCTL_SMLEN);
/* Rand Mac for newer version in place of cur_eth */
if (dhd->wlc_ver_major < RTT_IOV_CUR_ETH_OBSOLETE) {
err = wldev_iovar_getbuf(dev, "cur_etheraddr", NULL, 0,
ioctl_buf, WLC_IOCTL_SMLEN, NULL);
if (err) {
DHD_RTT_ERR(("WLC_GET_CUR_ETHERADDR failed, error %d\n", err));
err_at = 7;
goto exit;
}
memcpy(rtt_target->local_addr.octet, ioctl_buf, ETHER_ADDR_LEN);
/* local mac address */
if (!ETHER_ISNULLADDR(rtt_target->local_addr.octet)) {
ftm_params[ftm_param_cnt].mac_addr = rtt_target->local_addr;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_CUR_ETHER_ADDR;
bcm_ether_ntoa(&rtt_target->local_addr, eabuf);
DHD_RTT((">\t local %s\n", eabuf));
}
}
/* target's mac address */
if (!ETHER_ISNULLADDR(rtt_target->addr.octet)) {
ftm_params[ftm_param_cnt].mac_addr = rtt_target->addr;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_PEER_MAC;
bcm_ether_ntoa(&rtt_target->addr, eabuf);
DHD_RTT((">\t target %s\n", eabuf));
}
/* target's chanspec */
if (rtt_target->chanspec) {
ftm_params[ftm_param_cnt].chanspec = htol32((uint32)rtt_target->chanspec);
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_CHANSPEC;
wf_chspec_ntoa(rtt_target->chanspec, chanbuf);
DHD_RTT((">\t chanspec : %s\n", chanbuf));
}
/* num-burst */
if (rtt_target->num_burst) {
ftm_params[ftm_param_cnt].data16 = htol16(rtt_target->num_burst);
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_NUM_BURST;
DHD_RTT((">\t num of burst : %d\n", rtt_target->num_burst));
}
/* number of frame per burst */
rtt_target->num_frames_per_burst = FTM_DEFAULT_CNT_80M;
if (CHSPEC_IS80(rtt_target->chanspec)) {
rtt_target->num_frames_per_burst = FTM_DEFAULT_CNT_80M;
} else if (CHSPEC_IS40(rtt_target->chanspec)) {
rtt_target->num_frames_per_burst = FTM_DEFAULT_CNT_40M;
} else if (CHSPEC_IS20(rtt_target->chanspec)) {
rtt_target->num_frames_per_burst = FTM_DEFAULT_CNT_20M;
}
ftm_params[ftm_param_cnt].data16 = htol16(rtt_target->num_frames_per_burst);
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_BURST_NUM_FTM;
DHD_RTT((">\t number of frame per burst : %d\n", rtt_target->num_frames_per_burst));
/* FTM retry count */
if (rtt_target->num_retries_per_ftm) {
ftm_params[ftm_param_cnt].data8 = rtt_target->num_retries_per_ftm;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_FTM_RETRIES;
DHD_RTT((">\t retry count of FTM : %d\n", rtt_target->num_retries_per_ftm));
}
/* FTM Request retry count */
if (rtt_target->num_retries_per_ftmr) {
ftm_params[ftm_param_cnt].data8 = rtt_target->num_retries_per_ftmr;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_FTM_REQ_RETRIES;
DHD_RTT((">\t retry count of FTM Req : %d\n", rtt_target->num_retries_per_ftmr));
}
/* burst-period */
if (rtt_target->burst_period) {
ftm_params[ftm_param_cnt].data_intvl.intvl =
htol32(rtt_target->burst_period); /* ms */
ftm_params[ftm_param_cnt].data_intvl.tmu = WL_PROXD_TMU_MILLI_SEC;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_BURST_PERIOD;
DHD_RTT((">\t burst period : %d ms\n", rtt_target->burst_period));
}
/* Setting both duration and timeout to MAX duration
* to handle the congestion environments.
* Hence ignoring the user config.
*/
/* burst-duration */
rtt_target->burst_duration = FTM_MAX_BURST_DUR_TMO_MS;
if (rtt_target->burst_duration) {
ftm_params[ftm_param_cnt].data_intvl.intvl =
htol32(rtt_target->burst_duration); /* ms */
ftm_params[ftm_param_cnt].data_intvl.tmu = WL_PROXD_TMU_MILLI_SEC;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_BURST_DURATION;
DHD_RTT((">\t burst duration : %d ms\n",
rtt_target->burst_duration));
}
/* burst-timeout */
rtt_target->burst_timeout = FTM_MAX_BURST_DUR_TMO_MS;
if (rtt_target->burst_timeout) {
ftm_params[ftm_param_cnt].data_intvl.intvl =
htol32(rtt_target->burst_timeout); /* ms */
ftm_params[ftm_param_cnt].data_intvl.tmu = WL_PROXD_TMU_MILLI_SEC;
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_BURST_TIMEOUT;
DHD_RTT((">\t burst timeout : %d ms\n",
rtt_target->burst_timeout));
}
/* event_mask..applicable for only Legacy RTT.
* For nan-rtt config happens from firmware
*/
ftm_params[ftm_param_cnt].event_mask = ((1 << WL_PROXD_EVENT_BURST_END) |
(1 << WL_PROXD_EVENT_SESSION_END));
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_EVENT_MASK;
if (rtt_target->bw && rtt_target->preamble) {
bool use_default = FALSE;
int nss;
int mcs;
switch (rtt_target->preamble) {
case RTT_PREAMBLE_LEGACY:
rspec |= WL_RSPEC_ENCODE_RATE; /* 11abg */
rspec |= WL_RATE_6M;
break;
case RTT_PREAMBLE_HT:
rspec |= WL_RSPEC_ENCODE_HT; /* 11n HT */
mcs = 0; /* default MCS 0 */
rspec |= mcs;
break;
case RTT_PREAMBLE_VHT:
rspec |= WL_RSPEC_ENCODE_VHT; /* 11ac VHT */
mcs = 0; /* default MCS 0 */
nss = 1; /* default Nss = 1 */
rspec |= (nss << WL_RSPEC_VHT_NSS_SHIFT) | mcs;
break;
default:
DHD_RTT(("doesn't support this preamble : %d\n",
rtt_target->preamble));
use_default = TRUE;
break;
}
switch (rtt_target->bw) {
case RTT_BW_20:
rspec |= WL_RSPEC_BW_20MHZ;
break;
case RTT_BW_40:
rspec |= WL_RSPEC_BW_40MHZ;
break;
case RTT_BW_80:
rspec |= WL_RSPEC_BW_80MHZ;
break;
default:
DHD_RTT(("doesn't support this BW : %d\n", rtt_target->bw));
use_default = TRUE;
break;
}
if (!use_default) {
ftm_params[ftm_param_cnt].data32 = htol32(rspec);
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_RATESPEC;
DHD_RTT((">\t ratespec : %d\n", rspec));
}
}
dhd_set_rand_mac_oui(dhd);
dhd_rtt_ftm_config(dhd, FTM_DEFAULT_SESSION, FTM_CONFIG_CAT_GENERAL,
ftm_params, ftm_param_cnt);
rtt_sched_type = RTT_TYPE_LEGACY;
err = dhd_rtt_start_session(dhd, FTM_DEFAULT_SESSION, TRUE);
if (err) {
DHD_RTT_ERR(("failed to start session of FTM : error %d\n", err));
err_at = 8;
} else {
/* schedule proxd timeout */
schedule_delayed_work(&rtt_status->proxd_timeout,
msecs_to_jiffies(DHD_NAN_RTT_TIMER_INTERVAL_MS));
}
goto exit;
geofence:
#ifdef WL_NAN
/* sched geofencing rtt */
rtt_sched_type = RTT_TYPE_NAN_GEOFENCE;
if ((err = dhd_rtt_sched_geofencing_target(dhd)) != BCME_OK) {
DHD_RTT_ERR(("geofencing sched failed, err = %d\n", err));
err_at = 9;
}
#endif /* WL_NAN */
exit:
if (err) {
/* RTT Failed */
DHD_RTT_ERR(("dhd_rtt_start: Failed & RTT_STOPPED, err = %d,"
" err_at = %d, rtt_sched_type = %d, rtt_invalid_reason = %d\n"
" sched_reason = %d",
err, err_at, rtt_sched_type, rtt_invalid_reason,
rtt_status->rtt_sched_reason));
rtt_status->status = RTT_STOPPED;
/* disable FTM */
dhd_rtt_ftm_enable(dhd, FALSE);
if (rtt_status->pm_restore) {
pm = PM_FAST;
DHD_RTT_ERR(("pm_restore =%d func =%s \n",
rtt_status->pm_restore, __FUNCTION__));
err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
if (err) {
DHD_RTT_ERR(("Failed to set PM \n"));
} else {
rtt_status->pm_restore = FALSE;
}
}
}
return err;
}
#endif /* WL_CFG80211 */
int
dhd_rtt_register_noti_callback(dhd_pub_t *dhd, void *ctx, dhd_rtt_compl_noti_fn noti_fn)
{
int err = BCME_OK;
struct rtt_noti_callback *cb = NULL, *iter;
rtt_status_info_t *rtt_status;
NULL_CHECK(dhd, "dhd is NULL", err);
NULL_CHECK(noti_fn, "noti_fn is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
spin_lock_bh(¬i_list_lock);
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
list_for_each_entry(iter, &rtt_status->noti_fn_list, list) {
GCC_DIAGNOSTIC_POP();
if (iter->noti_fn == noti_fn) {
goto exit;
}
}
cb = kmalloc(sizeof(struct rtt_noti_callback), GFP_ATOMIC);
if (!cb) {
err = -ENOMEM;
goto exit;
}
cb->noti_fn = noti_fn;
cb->ctx = ctx;
list_add(&cb->list, &rtt_status->noti_fn_list);
exit:
spin_unlock_bh(¬i_list_lock);
return err;
}
int
dhd_rtt_unregister_noti_callback(dhd_pub_t *dhd, dhd_rtt_compl_noti_fn noti_fn)
{
int err = BCME_OK;
struct rtt_noti_callback *cb = NULL, *iter;
rtt_status_info_t *rtt_status;
NULL_CHECK(dhd, "dhd is NULL", err);
NULL_CHECK(noti_fn, "noti_fn is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
spin_lock_bh(¬i_list_lock);
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
list_for_each_entry(iter, &rtt_status->noti_fn_list, list) {
GCC_DIAGNOSTIC_POP();
if (iter->noti_fn == noti_fn) {
cb = iter;
list_del(&cb->list);
break;
}
}
spin_unlock_bh(¬i_list_lock);
if (cb) {
kfree(cb);
}
return err;
}
static wifi_rate_t
dhd_rtt_convert_rate_to_host(uint32 rspec)
{
wifi_rate_t host_rate;
uint32 bandwidth;
memset(&host_rate, 0, sizeof(wifi_rate_t));
if (RSPEC_ISLEGACY(rspec)) {
host_rate.preamble = 0;
} else if (RSPEC_ISHT(rspec)) {
host_rate.preamble = 2;
host_rate.rateMcsIdx = rspec & WL_RSPEC_RATE_MASK;
} else if (RSPEC_ISVHT(rspec)) {
host_rate.preamble = 3;
host_rate.rateMcsIdx = rspec & WL_RSPEC_VHT_MCS_MASK;
host_rate.nss = (rspec & WL_RSPEC_VHT_NSS_MASK) >> WL_RSPEC_VHT_NSS_SHIFT;
}
bandwidth = RSPEC_BW(rspec);
switch (bandwidth) {
case WL_RSPEC_BW_20MHZ:
host_rate.bw = RTT_RATE_20M;
break;
case WL_RSPEC_BW_40MHZ:
host_rate.bw = RTT_RATE_40M;
break;
case WL_RSPEC_BW_80MHZ:
host_rate.bw = RTT_RATE_80M;
break;
case WL_RSPEC_BW_160MHZ:
host_rate.bw = RTT_RATE_160M;
break;
default:
host_rate.bw = RTT_RATE_20M;
break;
}
host_rate.bitrate = rate_rspec2rate(rspec) / 100; /* 100kbps */
DHD_RTT(("bit rate : %d\n", host_rate.bitrate));
return host_rate;
}
#define FTM_FRAME_TYPES {"SETUP", "TRIGGER", "TIMESTAMP"}
static int
dhd_rtt_convert_results_to_host_v1(rtt_result_t *rtt_result, const uint8 *p_data,
uint16 tlvid, uint16 len)
{
int i;
int err = BCME_OK;
char eabuf[ETHER_ADDR_STR_LEN];
wl_proxd_result_flags_t flags;
wl_proxd_session_state_t session_state;
wl_proxd_status_t proxd_status;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
struct timespec64 ts;
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
struct timespec ts;
#endif /* LINUX_VER >= 2.6.39 */
uint32 ratespec;
uint32 avg_dist;
const wl_proxd_rtt_result_v1_t *p_data_info = NULL;
const wl_proxd_rtt_sample_v1_t *p_sample_avg = NULL;
const wl_proxd_rtt_sample_v1_t *p_sample = NULL;
wl_proxd_intvl_t rtt;
wl_proxd_intvl_t p_time;
uint16 num_rtt = 0, snr = 0, bitflips = 0;
wl_proxd_phy_error_t tof_phy_error = 0;
wl_proxd_phy_error_t tof_phy_tgt_error = 0;
wl_proxd_snr_t tof_target_snr = 0;
wl_proxd_bitflips_t tof_target_bitflips = 0;
int16 rssi = 0;
int32 dist = 0;
uint8 num_ftm = 0;
char *ftm_frame_types[] = FTM_FRAME_TYPES;
rtt_report_t *rtt_report = &(rtt_result->report);
BCM_REFERENCE(ftm_frame_types);
BCM_REFERENCE(dist);
BCM_REFERENCE(rssi);
BCM_REFERENCE(tof_target_bitflips);
BCM_REFERENCE(tof_target_snr);
BCM_REFERENCE(tof_phy_tgt_error);
BCM_REFERENCE(tof_phy_error);
BCM_REFERENCE(bitflips);
BCM_REFERENCE(snr);
BCM_REFERENCE(session_state);
BCM_REFERENCE(ftm_session_state_value_to_logstr);
NULL_CHECK(rtt_report, "rtt_report is NULL", err);
NULL_CHECK(p_data, "p_data is NULL", err);
DHD_RTT(("%s enter\n", __FUNCTION__));
p_data_info = (const wl_proxd_rtt_result_v1_t *) p_data;
/* unpack and format 'flags' for display */
flags = ltoh16_ua(&p_data_info->flags);
/* session state and status */
session_state = ltoh16_ua(&p_data_info->state);
proxd_status = ltoh32_ua(&p_data_info->status);
bcm_ether_ntoa((&(p_data_info->peer)), eabuf);
ftm_status_value_to_logstr(proxd_status);
DHD_RTT((">\tTarget(%s) session state=%d(%s), status=%d(%s)\n",
eabuf,
session_state,
ftm_session_state_value_to_logstr(session_state),
proxd_status,
ftm_status_value_to_logstr(proxd_status)));
/* show avg_dist (1/256m units), burst_num */
avg_dist = ltoh32_ua(&p_data_info->avg_dist);
if (avg_dist == 0xffffffff) { /* report 'failure' case */
DHD_RTT((">\tavg_dist=-1m, burst_num=%d, valid_measure_cnt=%d\n",
ltoh16_ua(&p_data_info->burst_num),
p_data_info->num_valid_rtt)); /* in a session */
avg_dist = FTM_INVALID;
}
else {
DHD_RTT((">\tavg_dist=%d.%04dm, burst_num=%d, valid_measure_cnt=%d num_ftm=%d\n",
avg_dist >> 8, /* 1/256m units */
((avg_dist & 0xff) * 625) >> 4,
ltoh16_ua(&p_data_info->burst_num),
p_data_info->num_valid_rtt,
p_data_info->num_ftm)); /* in a session */
}
/* show 'avg_rtt' sample */
p_sample_avg = &p_data_info->avg_rtt;
ftm_tmu_value_to_logstr(ltoh16_ua(&p_sample_avg->rtt.tmu));
DHD_RTT((">\tavg_rtt sample: rssi=%d rtt=%d%s std_deviation =%d.%d ratespec=0x%08x\n",
(int16) ltoh16_ua(&p_sample_avg->rssi),
ltoh32_ua(&p_sample_avg->rtt.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_sample_avg->rtt.tmu)),
ltoh16_ua(&p_data_info->sd_rtt)/10, ltoh16_ua(&p_data_info->sd_rtt)%10,
ltoh32_ua(&p_sample_avg->ratespec)));
/* set peer address */
rtt_report->addr = p_data_info->peer;
/* burst num */
rtt_report->burst_num = ltoh16_ua(&p_data_info->burst_num);
/* success num */
rtt_report->success_num = p_data_info->num_valid_rtt;
/* actual number of FTM supported by peer */
rtt_report->num_per_burst_peer = p_data_info->num_ftm;
rtt_report->negotiated_burst_num = p_data_info->num_ftm;
/* status */
rtt_report->status = ftm_get_statusmap_info(proxd_status,
&ftm_status_map_info[0], ARRAYSIZE(ftm_status_map_info));
/* rssi (0.5db) */
rtt_report->rssi = ABS((wl_proxd_rssi_t)ltoh16_ua(&p_data_info->avg_rtt.rssi)) * 2;
/* rx rate */
ratespec = ltoh32_ua(&p_data_info->avg_rtt.ratespec);
rtt_report->rx_rate = dhd_rtt_convert_rate_to_host(ratespec);
/* tx rate */
if (flags & WL_PROXD_RESULT_FLAG_VHTACK) {
rtt_report->tx_rate = dhd_rtt_convert_rate_to_host(0x2010010);
} else {
rtt_report->tx_rate = dhd_rtt_convert_rate_to_host(0xc);
}
/* rtt_sd */
rtt.tmu = ltoh16_ua(&p_data_info->avg_rtt.rtt.tmu);
rtt.intvl = ltoh32_ua(&p_data_info->avg_rtt.rtt.intvl);
rtt_report->rtt = (wifi_timespan)FTM_INTVL2NSEC(&rtt) * 1000; /* nano -> pico seconds */
rtt_report->rtt_sd = ltoh16_ua(&p_data_info->sd_rtt); /* nano -> 0.1 nano */
DHD_RTT(("rtt_report->rtt : %llu\n", rtt_report->rtt));
DHD_RTT(("rtt_report->rssi : %d (0.5db)\n", rtt_report->rssi));
/* average distance */
if (avg_dist != FTM_INVALID) {
rtt_report->distance = (avg_dist >> 8) * 1000; /* meter -> mm */
rtt_report->distance += (avg_dist & 0xff) * 1000 / 256;
} else {
rtt_report->distance = FTM_INVALID;
}
/* time stamp */
/* get the time elapsed from boot time */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
ktime_get_boottime_ts64(&ts);
#else
get_monotonic_boottime(&ts);
#endif
rtt_report->ts = (uint64)TIMESPEC_TO_US(ts);
#endif /* LINUX_VER >= 2.6.39 */
if (proxd_status == WL_PROXD_E_REMOTE_FAIL) {
/* retry time after failure */
p_time.intvl = ltoh32_ua(&p_data_info->u.retry_after.intvl);
p_time.tmu = ltoh16_ua(&p_data_info->u.retry_after.tmu);
rtt_report->retry_after_duration = FTM_INTVL2SEC(&p_time); /* s -> s */
DHD_RTT((">\tretry_after: %d%s\n",
ltoh32_ua(&p_data_info->u.retry_after.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_data_info->u.retry_after.tmu))));
} else {
/* burst duration */
p_time.intvl = ltoh32_ua(&p_data_info->u.retry_after.intvl);
p_time.tmu = ltoh16_ua(&p_data_info->u.retry_after.tmu);
rtt_report->burst_duration = FTM_INTVL2MSEC(&p_time); /* s -> ms */
DHD_RTT((">\tburst_duration: %d%s\n",
ltoh32_ua(&p_data_info->u.burst_duration.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_data_info->u.burst_duration.tmu))));
DHD_RTT(("rtt_report->burst_duration : %d\n", rtt_report->burst_duration));
}
/* display detail if available */
num_rtt = ltoh16_ua(&p_data_info->num_rtt);
if (num_rtt > 0) {
DHD_RTT((">\tnum rtt: %d samples\n", num_rtt));
p_sample = &p_data_info->rtt[0];
for (i = 0; i < num_rtt; i++) {
snr = 0;
bitflips = 0;
tof_phy_error = 0;
tof_phy_tgt_error = 0;
tof_target_snr = 0;
tof_target_bitflips = 0;
rssi = 0;
dist = 0;
num_ftm = p_data_info->num_ftm;
/* FTM frames 1,4,7,11 have valid snr, rssi and bitflips */
if ((i % num_ftm) == 1) {
rssi = (wl_proxd_rssi_t) ltoh16_ua(&p_sample->rssi);
snr = (wl_proxd_snr_t) ltoh16_ua(&p_sample->snr);
bitflips = (wl_proxd_bitflips_t) ltoh16_ua(&p_sample->bitflips);
tof_phy_error =
(wl_proxd_phy_error_t)
ltoh32_ua(&p_sample->tof_phy_error);
tof_phy_tgt_error =
(wl_proxd_phy_error_t)
ltoh32_ua(&p_sample->tof_tgt_phy_error);
tof_target_snr =
(wl_proxd_snr_t)
ltoh16_ua(&p_sample->tof_tgt_snr);
tof_target_bitflips =
(wl_proxd_bitflips_t)
ltoh16_ua(&p_sample->tof_tgt_bitflips);
dist = ltoh32_ua(&p_sample->distance);
} else {
rssi = -1;
snr = 0;
bitflips = 0;
dist = 0;
tof_target_bitflips = 0;
tof_target_snr = 0;
tof_phy_tgt_error = 0;
}
DHD_RTT((">\t sample[%d]: id=%d rssi=%d snr=0x%x bitflips=%d"
" tof_phy_error %x tof_phy_tgt_error %x target_snr=0x%x"
" target_bitflips=%d dist=%d rtt=%d%s status %s"
" Type %s coreid=%d\n",
i, p_sample->id, rssi, snr,
bitflips, tof_phy_error, tof_phy_tgt_error,
tof_target_snr,
tof_target_bitflips, dist,
ltoh32_ua(&p_sample->rtt.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_sample->rtt.tmu)),
ftm_status_value_to_logstr(ltoh32_ua(&p_sample->status)),
ftm_frame_types[i % num_ftm], p_sample->coreid));
p_sample++;
}
}
return err;
}
static int
dhd_rtt_convert_results_to_host_v2(rtt_result_t *rtt_result, const uint8 *p_data,
uint16 tlvid, uint16 len)
{
int i;
int err = BCME_OK;
char eabuf[ETHER_ADDR_STR_LEN];
wl_proxd_result_flags_t flags;
wl_proxd_session_state_t session_state;
wl_proxd_status_t proxd_status;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
struct timespec64 ts;
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
struct timespec ts;
#endif /* LINUX_VER >= 2.6.39 */
uint32 ratespec;
uint32 avg_dist;
const wl_proxd_rtt_result_v2_t *p_data_info = NULL;
const wl_proxd_rtt_sample_v2_t *p_sample_avg = NULL;
const wl_proxd_rtt_sample_v2_t *p_sample = NULL;
uint16 num_rtt = 0;
wl_proxd_intvl_t rtt;
wl_proxd_intvl_t p_time;
uint16 snr = 0, bitflips = 0;
wl_proxd_phy_error_t tof_phy_error = 0;
wl_proxd_phy_error_t tof_phy_tgt_error = 0;
wl_proxd_snr_t tof_target_snr = 0;
wl_proxd_bitflips_t tof_target_bitflips = 0;
int16 rssi = 0;
int32 dist = 0;
uint32 chanspec = 0;
uint8 num_ftm = 0;
char *ftm_frame_types[] = FTM_FRAME_TYPES;
rtt_report_t *rtt_report = &(rtt_result->report);
BCM_REFERENCE(ftm_frame_types);
BCM_REFERENCE(dist);
BCM_REFERENCE(rssi);
BCM_REFERENCE(tof_target_bitflips);
BCM_REFERENCE(tof_target_snr);
BCM_REFERENCE(tof_phy_tgt_error);
BCM_REFERENCE(tof_phy_error);
BCM_REFERENCE(bitflips);
BCM_REFERENCE(snr);
BCM_REFERENCE(chanspec);
BCM_REFERENCE(session_state);
BCM_REFERENCE(ftm_session_state_value_to_logstr);
NULL_CHECK(rtt_report, "rtt_report is NULL", err);
NULL_CHECK(p_data, "p_data is NULL", err);
DHD_RTT(("%s enter\n", __FUNCTION__));
p_data_info = (const wl_proxd_rtt_result_v2_t *) p_data;
/* unpack and format 'flags' for display */
flags = ltoh16_ua(&p_data_info->flags);
/* session state and status */
session_state = ltoh16_ua(&p_data_info->state);
proxd_status = ltoh32_ua(&p_data_info->status);
bcm_ether_ntoa((&(p_data_info->peer)), eabuf);
if (proxd_status != BCME_OK) {
DHD_RTT_ERR((">\tTarget(%s) session state=%d(%s), status=%d(%s) "
"num_meas_ota %d num_valid_rtt %d result_flags %x\n",
eabuf, session_state,
ftm_session_state_value_to_logstr(session_state),
proxd_status, ftm_status_value_to_logstr(proxd_status),
p_data_info->num_meas, p_data_info->num_valid_rtt,
p_data_info->flags));
} else {
DHD_RTT((">\tTarget(%s) session state=%d(%s), status=%d(%s)\n",
eabuf, session_state,
ftm_session_state_value_to_logstr(session_state),
proxd_status, ftm_status_value_to_logstr(proxd_status)));
}
/* show avg_dist (1/256m units), burst_num */
avg_dist = ltoh32_ua(&p_data_info->avg_dist);
if (avg_dist == 0xffffffff) { /* report 'failure' case */
DHD_RTT((">\tavg_dist=-1m, burst_num=%d, valid_measure_cnt=%d\n",
ltoh16_ua(&p_data_info->burst_num),
p_data_info->num_valid_rtt)); /* in a session */
avg_dist = FTM_INVALID;
} else {
DHD_RTT((">\tavg_dist=%d.%04dm, burst_num=%d, valid_measure_cnt=%d num_ftm=%d "
"num_meas_ota=%d, result_flags=%x\n", avg_dist >> 8, /* 1/256m units */
((avg_dist & 0xff) * 625) >> 4,
ltoh16_ua(&p_data_info->burst_num),
p_data_info->num_valid_rtt,
p_data_info->num_ftm, p_data_info->num_meas,
p_data_info->flags)); /* in a session */
}
rtt_result->rtt_detail.num_ota_meas = p_data_info->num_meas;
rtt_result->rtt_detail.result_flags = p_data_info->flags;
/* show 'avg_rtt' sample */
/* in v2, avg_rtt is the first element of the variable rtt[] */
p_sample_avg = &p_data_info->rtt[0];
ftm_tmu_value_to_logstr(ltoh16_ua(&p_sample_avg->rtt.tmu));
DHD_RTT((">\tavg_rtt sample: rssi=%d rtt=%d%s std_deviation =%d.%d"
"ratespec=0x%08x chanspec=0x%08x\n",
(int16) ltoh16_ua(&p_sample_avg->rssi),
ltoh32_ua(&p_sample_avg->rtt.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_sample_avg->rtt.tmu)),
ltoh16_ua(&p_data_info->sd_rtt)/10, ltoh16_ua(&p_data_info->sd_rtt)%10,
ltoh32_ua(&p_sample_avg->ratespec),
ltoh32_ua(&p_sample_avg->chanspec)));
/* set peer address */
rtt_report->addr = p_data_info->peer;
/* burst num */
rtt_report->burst_num = ltoh16_ua(&p_data_info->burst_num);
/* success num */
rtt_report->success_num = p_data_info->num_valid_rtt;
/* num-ftm configured */
rtt_report->ftm_num = p_data_info->num_ftm;
/* actual number of FTM supported by peer */
rtt_report->num_per_burst_peer = p_data_info->num_ftm;
rtt_report->negotiated_burst_num = p_data_info->num_ftm;
/* status */
rtt_report->status = ftm_get_statusmap_info(proxd_status,
&ftm_status_map_info[0], ARRAYSIZE(ftm_status_map_info));
/* Framework expects status as SUCCESS else all results will be
* set to zero even if we have partial valid result.
* So setting status as SUCCESS if we have a valid_rtt
* On burst timeout we stop burst with "timeout" reason and
* on msch end we set status as "cancel"
*/
if ((proxd_status == WL_PROXD_E_TIMEOUT ||
proxd_status == WL_PROXD_E_CANCELED) &&
rtt_report->success_num) {
rtt_report->status = RTT_STATUS_SUCCESS;
}
/* rssi (0.5db) */
rtt_report->rssi = ABS((wl_proxd_rssi_t)ltoh16_ua(&p_sample_avg->rssi)) * 2;
/* rx rate */
ratespec = ltoh32_ua(&p_sample_avg->ratespec);
rtt_report->rx_rate = dhd_rtt_convert_rate_to_host(ratespec);
/* tx rate */
if (flags & WL_PROXD_RESULT_FLAG_VHTACK) {
rtt_report->tx_rate = dhd_rtt_convert_rate_to_host(0x2010010);
} else {
rtt_report->tx_rate = dhd_rtt_convert_rate_to_host(0xc);
}
/* rtt_sd */
rtt.tmu = ltoh16_ua(&p_sample_avg->rtt.tmu);
rtt.intvl = ltoh32_ua(&p_sample_avg->rtt.intvl);
rtt_report->rtt = (wifi_timespan)FTM_INTVL2NSEC(&rtt) * 1000; /* nano -> pico seconds */
rtt_report->rtt_sd = ltoh16_ua(&p_data_info->sd_rtt); /* nano -> 0.1 nano */
DHD_RTT(("rtt_report->rtt : %llu\n", rtt_report->rtt));
DHD_RTT(("rtt_report->rssi : %d (0.5db)\n", rtt_report->rssi));
/* average distance */
if (avg_dist != FTM_INVALID) {
rtt_report->distance = (avg_dist >> 8) * 1000; /* meter -> mm */
rtt_report->distance += (avg_dist & 0xff) * 1000 / 256;
/* rtt_sd is in 0.1 ns.
* host needs distance_sd in milli mtrs
* (0.1 * rtt_sd/2 * 10^-9) * C * 1000
*/
rtt_report->distance_sd = rtt_report->rtt_sd * 15; /* mm */
} else {
rtt_report->distance = FTM_INVALID;
}
/* time stamp */
/* get the time elapsed from boot time */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
ktime_get_boottime_ts64(&ts);
#else
get_monotonic_boottime(&ts);
#endif
rtt_report->ts = (uint64)TIMESPEC_TO_US(ts);
#endif /* LINUX_VER >= 2.6.39 */
if (proxd_status == WL_PROXD_E_REMOTE_FAIL) {
/* retry time after failure */
p_time.intvl = ltoh32_ua(&p_data_info->u.retry_after.intvl);
p_time.tmu = ltoh16_ua(&p_data_info->u.retry_after.tmu);
rtt_report->retry_after_duration = FTM_INTVL2SEC(&p_time); /* s -> s */
DHD_RTT((">\tretry_after: %d%s\n",
ltoh32_ua(&p_data_info->u.retry_after.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_data_info->u.retry_after.tmu))));
} else {
/* burst duration */
p_time.intvl = ltoh32_ua(&p_data_info->u.retry_after.intvl);
p_time.tmu = ltoh16_ua(&p_data_info->u.retry_after.tmu);
rtt_report->burst_duration = FTM_INTVL2MSEC(&p_time); /* s -> ms */
DHD_RTT((">\tburst_duration: %d%s\n",
ltoh32_ua(&p_data_info->u.burst_duration.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_data_info->u.burst_duration.tmu))));
DHD_RTT(("rtt_report->burst_duration : %d\n", rtt_report->burst_duration));
}
/* display detail if available */
num_rtt = ltoh16_ua(&p_data_info->num_rtt);
if (num_rtt > 0) {
DHD_RTT((">\tnum rtt: %d samples\n", num_rtt));
p_sample = &p_data_info->rtt[1];
for (i = 0; i < num_rtt; i++) {
snr = 0;
bitflips = 0;
tof_phy_error = 0;
tof_phy_tgt_error = 0;
tof_target_snr = 0;
tof_target_bitflips = 0;
rssi = 0;
dist = 0;
num_ftm = p_data_info->num_ftm;
/* FTM frames 1,4,7,11 have valid snr, rssi and bitflips */
if ((i % num_ftm) == 1) {
rssi = (wl_proxd_rssi_t) ltoh16_ua(&p_sample->rssi);
snr = (wl_proxd_snr_t) ltoh16_ua(&p_sample->snr);
bitflips = (wl_proxd_bitflips_t) ltoh16_ua(&p_sample->bitflips);
tof_phy_error =
(wl_proxd_phy_error_t)
ltoh32_ua(&p_sample->tof_phy_error);
tof_phy_tgt_error =
(wl_proxd_phy_error_t)
ltoh32_ua(&p_sample->tof_tgt_phy_error);
tof_target_snr =
(wl_proxd_snr_t)
ltoh16_ua(&p_sample->tof_tgt_snr);
tof_target_bitflips =
(wl_proxd_bitflips_t)
ltoh16_ua(&p_sample->tof_tgt_bitflips);
dist = ltoh32_ua(&p_sample->distance);
chanspec = ltoh32_ua(&p_sample->chanspec);
} else {
rssi = -1;
snr = 0;
bitflips = 0;
dist = 0;
tof_target_bitflips = 0;
tof_target_snr = 0;
tof_phy_tgt_error = 0;
}
DHD_RTT((">\t sample[%d]: id=%d rssi=%d snr=0x%x bitflips=%d"
" tof_phy_error %x tof_phy_tgt_error %x target_snr=0x%x"
" target_bitflips=%d dist=%d rtt=%d%s status %s Type %s"
" coreid=%d chanspec=0x%08x\n",
i, p_sample->id, rssi, snr,
bitflips, tof_phy_error, tof_phy_tgt_error,
tof_target_snr,
tof_target_bitflips, dist,
ltoh32_ua(&p_sample->rtt.intvl),
ftm_tmu_value_to_logstr(ltoh16_ua(&p_sample->rtt.tmu)),
ftm_status_value_to_logstr(ltoh32_ua(&p_sample->status)),
ftm_frame_types[i % num_ftm], p_sample->coreid,
chanspec));
p_sample++;
}
}
return err;
}
#ifdef WL_CFG80211
/* Common API for handling Session End.
* This API will flush out the results for a peer MAC.
*
* @For legacy FTM session, this API will be called
* when legacy FTM_SESSION_END event is received.
* @For legacy Nan-RTT , this API will be called when
* we are cancelling the nan-ranging session or on
* nan-ranging-end event.
*/
static void
dhd_rtt_handle_rtt_session_end(dhd_pub_t *dhd)
{
int idx;
struct rtt_noti_callback *iter;
rtt_results_header_t *entry, *next;
rtt_result_t *next2;
rtt_result_t *rtt_result;
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
/* Cancel pending proxd timeout work if any */
if (delayed_work_pending(&rtt_status->proxd_timeout)) {
cancel_delayed_work(&rtt_status->proxd_timeout);
}
/* find next target to trigger RTT */
for (idx = (rtt_status->cur_idx + 1);
idx < rtt_status->rtt_config.rtt_target_cnt; idx++) {
/* skip the disabled device */
if (rtt_status->rtt_config.target_info[idx].disable) {
continue;
} else {
/* set the idx to cur_idx */
rtt_status->cur_idx = idx;
break;
}
}
if (idx < rtt_status->rtt_config.rtt_target_cnt) {
/* restart to measure RTT from next device */
DHD_INFO(("restart to measure rtt\n"));
schedule_work(&rtt_status->work);
} else {
DHD_RTT(("RTT_STOPPED\n"));
rtt_status->status = RTT_STOPPED;
/* notify the completed information to others */
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
list_for_each_entry(iter, &rtt_status->noti_fn_list, list) {
iter->noti_fn(iter->ctx, &rtt_status->rtt_results_cache);
}
/* remove the rtt results in cache */
if (!list_empty(&rtt_status->rtt_results_cache)) {
/* Iterate rtt_results_header list */
list_for_each_entry_safe(entry, next,
&rtt_status->rtt_results_cache, list) {
list_del(&entry->list);
/* Iterate rtt_result list */
list_for_each_entry_safe(rtt_result, next2,
&entry->result_list, list) {
list_del(&rtt_result->list);
kfree(rtt_result);
}
kfree(entry);
}
}
GCC_DIAGNOSTIC_POP();
/* reinitialize the HEAD */
INIT_LIST_HEAD(&rtt_status->rtt_results_cache);
/* clear information for rtt_config */
rtt_status->rtt_config.rtt_target_cnt = 0;
memset_s(rtt_status->rtt_config.target_info, TARGET_INFO_SIZE(RTT_MAX_TARGET_CNT),
0, TARGET_INFO_SIZE(RTT_MAX_TARGET_CNT));
rtt_status->cur_idx = 0;
}
}
#endif /* WL_CFG80211 */
#ifdef WL_CFG80211
static int
dhd_rtt_create_failure_result(rtt_status_info_t *rtt_status,
struct ether_addr *addr)
{
rtt_results_header_t *rtt_results_header = NULL;
rtt_target_info_t *rtt_target_info;
int ret = BCME_OK;
rtt_result_t *rtt_result;
/* allocate new header for rtt_results */
rtt_results_header = (rtt_results_header_t *)MALLOCZ(rtt_status->dhd->osh,
sizeof(rtt_results_header_t));
if (!rtt_results_header) {
ret = -ENOMEM;
goto exit;
}
rtt_target_info = &rtt_status->rtt_config.target_info[rtt_status->cur_idx];
/* Initialize the head of list for rtt result */
INIT_LIST_HEAD(&rtt_results_header->result_list);
/* same src and dest len */
(void)memcpy_s(&rtt_results_header->peer_mac,
ETHER_ADDR_LEN, addr, ETHER_ADDR_LEN);
list_add_tail(&rtt_results_header->list, &rtt_status->rtt_results_cache);
/* allocate rtt_results for new results */
rtt_result = (rtt_result_t *)MALLOCZ(rtt_status->dhd->osh,
sizeof(rtt_result_t));
if (!rtt_result) {
ret = -ENOMEM;
kfree(rtt_results_header);
goto exit;
}
/* fill out the results from the configuration param */
rtt_result->report.ftm_num = rtt_target_info->num_frames_per_burst;
rtt_result->report.type = RTT_TWO_WAY;
DHD_RTT(("report->ftm_num : %d\n", rtt_result->report.ftm_num));
rtt_result->report_len = RTT_REPORT_SIZE;
rtt_result->report.status = RTT_STATUS_FAIL_NO_RSP;
/* same src and dest len */
(void)memcpy_s(&rtt_result->report.addr, ETHER_ADDR_LEN,
&rtt_target_info->addr, ETHER_ADDR_LEN);
rtt_result->report.distance = FTM_INVALID;
list_add_tail(&rtt_result->list, &rtt_results_header->result_list);
rtt_results_header->result_cnt++;
rtt_results_header->result_tot_len += rtt_result->report_len;
exit:
return ret;
}
static bool
dhd_rtt_get_report_header(rtt_status_info_t *rtt_status,
rtt_results_header_t **rtt_results_header, struct ether_addr *addr)
{
rtt_results_header_t *entry;
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
/* find a rtt_report_header for this mac address */
list_for_each_entry(entry, &rtt_status->rtt_results_cache, list) {
GCC_DIAGNOSTIC_POP();
if (!memcmp(&entry->peer_mac, addr, ETHER_ADDR_LEN)) {
/* found a rtt_report_header for peer_mac in the list */
if (rtt_results_header) {
*rtt_results_header = entry;
}
return TRUE;
}
}
return FALSE;
}
int
dhd_rtt_handle_nan_rtt_session_end(dhd_pub_t *dhd, struct ether_addr *peer)
{
bool is_new = TRUE;
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
mutex_lock(&rtt_status->rtt_mutex);
is_new = !dhd_rtt_get_report_header(rtt_status, NULL, peer);
if (is_new) { /* no FTM result..create failure result */
dhd_rtt_create_failure_result(rtt_status, peer);
}
dhd_rtt_handle_rtt_session_end(dhd);
mutex_unlock(&rtt_status->rtt_mutex);
return BCME_OK;
}
#endif /* WL_CFG80211 */
static bool
dhd_rtt_is_valid_measurement(rtt_result_t *rtt_result)
{
bool ret = FALSE;
if (rtt_result && (rtt_result->report.success_num != 0)) {
ret = TRUE;
}
return ret;
}
static int
dhd_rtt_parse_result_event(wl_proxd_event_t *proxd_ev_data,
int tlvs_len, rtt_result_t *rtt_result)
{
int ret = BCME_OK;
/* unpack TLVs and invokes the cbfn to print the event content TLVs */
ret = bcm_unpack_xtlv_buf((void *) rtt_result,
(uint8 *)&proxd_ev_data->tlvs[0], tlvs_len,
BCM_XTLV_OPTION_ALIGN32, rtt_unpack_xtlv_cbfn);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s : Failed to unpack xtlv for an event\n",
__FUNCTION__));
goto exit;
}
/* fill out the results from the configuration param */
rtt_result->report.type = RTT_TWO_WAY;
DHD_RTT(("report->ftm_num : %d\n", rtt_result->report.ftm_num));
rtt_result->report_len = RTT_REPORT_SIZE;
rtt_result->detail_len = sizeof(rtt_result->rtt_detail);
exit:
return ret;
}
static int
dhd_rtt_handle_directed_rtt_burst_end(dhd_pub_t *dhd, struct ether_addr *peer_addr,
wl_proxd_event_t *proxd_ev_data, int tlvs_len, rtt_result_t *rtt_result, bool is_nan)
{
rtt_status_info_t *rtt_status;
rtt_results_header_t *rtt_results_header = NULL;
bool is_new = TRUE;
int ret = BCME_OK;
int err_at = 0;
rtt_status = GET_RTTSTATE(dhd);
is_new = !dhd_rtt_get_report_header(rtt_status,
&rtt_results_header, peer_addr);
if (tlvs_len > 0) {
if (is_new) {
/* allocate new header for rtt_results */
rtt_results_header = (rtt_results_header_t *)MALLOCZ(rtt_status->dhd->osh,
sizeof(rtt_results_header_t));
if (!rtt_results_header) {
ret = BCME_NORESOURCE;
err_at = 1;
goto exit;
}
/* Initialize the head of list for rtt result */
INIT_LIST_HEAD(&rtt_results_header->result_list);
/* same src and header len */
(void)memcpy_s(&rtt_results_header->peer_mac, ETHER_ADDR_LEN,
peer_addr, ETHER_ADDR_LEN);
list_add_tail(&rtt_results_header->list, &rtt_status->rtt_results_cache);
}
ret = dhd_rtt_parse_result_event(proxd_ev_data, tlvs_len, rtt_result);
if ((ret == BCME_OK) && ((!is_nan) ||
dhd_rtt_is_valid_measurement(rtt_result))) {
/*
* Add to list, if non-nan RTT (legacy) or
* valid measurement in nan rtt case
*/
list_add_tail(&rtt_result->list, &rtt_results_header->result_list);
rtt_results_header->result_cnt++;
rtt_results_header->result_tot_len += rtt_result->report_len +
rtt_result->detail_len;
} else {
err_at = 2;
if (ret == BCME_OK) {
/* Case for nan rtt invalid measurement */
ret = BCME_ERROR;
err_at = 3;
}
goto exit;
}
} else {
ret = BCME_ERROR;
err_at = 4;
goto exit;
}
exit:
if (ret != BCME_OK) {
DHD_RTT_ERR(("dhd_rtt_handle_directed_rtt_burst_end: failed, "
" ret = %d, err_at = %d\n", ret, err_at));
if (rtt_results_header) {
list_del(&rtt_results_header->list);
kfree(rtt_results_header);
rtt_results_header = NULL;
}
}
return ret;
}
#ifdef WL_NAN
static void
dhd_rtt_nan_range_report(struct bcm_cfg80211 *cfg,
rtt_result_t *rtt_result)
{
wl_nan_ev_rng_rpt_ind_t range_res;
nan_ranging_inst_t *rng_inst = NULL;
dhd_pub_t *dhd = (struct dhd_pub *)(cfg->pub);
rtt_status_info_t *rtt_status = GET_RTTSTATE(dhd);
UNUSED_PARAMETER(range_res);
if (!dhd_rtt_is_valid_measurement(rtt_result)) {
/* Drop Invalid Measurements for NAN RTT report */
DHD_RTT(("dhd_rtt_nan_range_report: Drop Invalid Measurements\n"));
return;
}
bzero(&range_res, sizeof(range_res));
range_res.indication = 0;
range_res.dist_mm = rtt_result->report.distance;
/* same src and header len, ignoring ret val here */
(void)memcpy_s(&range_res.peer_m_addr, ETHER_ADDR_LEN,
&rtt_result->report.addr, ETHER_ADDR_LEN);
wl_cfgnan_process_range_report(cfg, &range_res);
/*
* suspend geofence ranging for this target
* and move to next target
* after valid measurement for the target
*/
rng_inst = wl_cfgnan_check_for_ranging(cfg, &range_res.peer_m_addr);
if (rng_inst) {
wl_cfgnan_suspend_geofence_rng_session(bcmcfg_to_prmry_ndev(cfg),
&rng_inst->peer_addr, RTT_GEO_SUSPN_RANGE_RES_REPORTED, 0);
GEOFENCE_RTT_LOCK(rtt_status);
dhd_rtt_move_geofence_cur_target_idx_to_next(dhd);
GEOFENCE_RTT_UNLOCK(rtt_status);
wl_cfgnan_reset_geofence_ranging(cfg,
rng_inst, RTT_SCHED_RNG_RPT_GEOFENCE);
}
}
static int
dhd_rtt_handle_nan_burst_end(dhd_pub_t *dhd, struct ether_addr *peer_addr,
wl_proxd_event_t *proxd_ev_data, int tlvs_len)
{
struct net_device *ndev = NULL;
struct bcm_cfg80211 *cfg = NULL;
nan_ranging_inst_t *rng_inst = NULL;
rtt_status_info_t *rtt_status = NULL;
rtt_result_t *rtt_result = NULL;
bool is_geofence = FALSE;
int ret = BCME_OK;
ndev = dhd_linux_get_primary_netdev(dhd);
cfg = wiphy_priv(ndev->ieee80211_ptr->wiphy);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", ret);
NAN_MUTEX_LOCK();
mutex_lock(&rtt_status->rtt_mutex);
if ((cfg->nan_enable == FALSE) ||
ETHER_ISNULLADDR(peer_addr)) {
DHD_RTT_ERR(("Received Burst End with NULL ether addr, "
"or nan disable, nan_enable = %d\n", cfg->nan_enable));
ret = BCME_UNSUPPORTED;
goto exit;
}
rng_inst = wl_cfgnan_check_for_ranging(cfg, peer_addr);
if (rng_inst) {
is_geofence = (rng_inst->range_type
== RTT_TYPE_NAN_GEOFENCE);
} else {
DHD_RTT_ERR(("Received Burst End without Ranging Instance\n"));
ret = BCME_ERROR;
goto exit;
}
/* allocate rtt_results for new results */
rtt_result = (rtt_result_t *)MALLOCZ(dhd->osh, sizeof(rtt_result_t));
if (!rtt_result) {
ret = BCME_NORESOURCE;
goto exit;
}
if (is_geofence) {
ret = dhd_rtt_parse_result_event(proxd_ev_data, tlvs_len, rtt_result);
if (ret != BCME_OK) {
DHD_RTT_ERR(("avilog: dhd_rtt_handle_nan_burst_end: "
"dhd_rtt_parse_result_event failed\n"));
goto exit;
}
} else {
if (RTT_IS_STOPPED(rtt_status)) {
/* Ignore the Proxd event */
DHD_RTT((" event handler rtt is stopped \n"));
if (rtt_status->flags == WL_PROXD_SESSION_FLAG_TARGET) {
DHD_RTT(("Device is target/Responder. Recv the event. \n"));
} else {
ret = BCME_UNSUPPORTED;
goto exit;
}
}
ret = dhd_rtt_handle_directed_rtt_burst_end(dhd, peer_addr,
proxd_ev_data, tlvs_len, rtt_result, TRUE);
if (ret != BCME_OK) {
goto exit;
}
}
exit:
mutex_unlock(&rtt_status->rtt_mutex);
if (ret == BCME_OK) {
dhd_rtt_nan_range_report(cfg, rtt_result);
}
if (rtt_result &&
((ret != BCME_OK) || is_geofence)) {
kfree(rtt_result);
rtt_result = NULL;
}
NAN_MUTEX_UNLOCK();
return ret;
}
#endif /* WL_NAN */
int
dhd_rtt_event_handler(dhd_pub_t *dhd, wl_event_msg_t *event, void *event_data)
{
int ret = BCME_OK;
int tlvs_len;
uint16 version;
wl_proxd_event_t *p_event;
wl_proxd_event_type_t event_type;
wl_proxd_ftm_session_status_t session_status;
const ftm_strmap_entry_t *p_loginfo;
rtt_result_t *rtt_result;
#ifdef WL_CFG80211
rtt_status_info_t *rtt_status;
rtt_results_header_t *rtt_results_header = NULL;
bool is_new = TRUE;
#endif /* WL_CFG80211 */
DHD_RTT(("Enter %s \n", __FUNCTION__));
NULL_CHECK(dhd, "dhd is NULL", ret);
if (ntoh32_ua((void *)&event->datalen) < OFFSETOF(wl_proxd_event_t, tlvs)) {
DHD_RTT(("%s: wrong datalen:%d\n", __FUNCTION__,
ntoh32_ua((void *)&event->datalen)));
return -EINVAL;
}
event_type = ntoh32_ua((void *)&event->event_type);
if (event_type != WLC_E_PROXD) {
DHD_RTT_ERR((" failed event \n"));
return -EINVAL;
}
if (!event_data) {
DHD_RTT_ERR(("%s: event_data:NULL\n", __FUNCTION__));
return -EINVAL;
}
p_event = (wl_proxd_event_t *) event_data;
version = ltoh16(p_event->version);
if (version < WL_PROXD_API_VERSION) {
DHD_RTT_ERR(("ignore non-ftm event version = 0x%0x < WL_PROXD_API_VERSION (0x%x)\n",
version, WL_PROXD_API_VERSION));
return ret;
}
event_type = (wl_proxd_event_type_t) ltoh16(p_event->type);
DHD_RTT(("event_type=0x%x, ntoh16()=0x%x, ltoh16()=0x%x\n",
p_event->type, ntoh16(p_event->type), ltoh16(p_event->type)));
p_loginfo = ftm_get_event_type_loginfo(event_type);
if (p_loginfo == NULL) {
DHD_RTT_ERR(("receive an invalid FTM event %d\n", event_type));
ret = -EINVAL;
return ret; /* ignore this event */
}
/* get TLVs len, skip over event header */
if (ltoh16(p_event->len) < OFFSETOF(wl_proxd_event_t, tlvs)) {
DHD_RTT_ERR(("invalid FTM event length:%d\n", ltoh16(p_event->len)));
ret = -EINVAL;
return ret;
}
tlvs_len = ltoh16(p_event->len) - OFFSETOF(wl_proxd_event_t, tlvs);
DHD_RTT(("receive '%s' event: version=0x%x len=%d method=%d sid=%d tlvs_len=%d\n",
p_loginfo->text,
version,
ltoh16(p_event->len),
ltoh16(p_event->method),
ltoh16(p_event->sid),
tlvs_len));
#ifdef WL_CFG80211
#ifdef WL_NAN
if ((event_type == WL_PROXD_EVENT_BURST_END) &&
dhd_rtt_is_nan_peer(dhd, &event->addr)) {
DHD_RTT(("WL_PROXD_EVENT_BURST_END for NAN RTT\n"));
ret = dhd_rtt_handle_nan_burst_end(dhd, &event->addr, p_event, tlvs_len);
return ret;
}
#endif /* WL_NAN */
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", ret);
mutex_lock(&rtt_status->rtt_mutex);
if (RTT_IS_STOPPED(rtt_status)) {
/* Ignore the Proxd event */
DHD_RTT((" event handler rtt is stopped \n"));
if (rtt_status->flags == WL_PROXD_SESSION_FLAG_TARGET) {
DHD_RTT(("Device is target/Responder. Recv the event. \n"));
} else {
ret = BCME_NOTREADY;
goto exit;
}
}
#endif /* WL_CFG80211 */
#ifdef WL_CFG80211
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
is_new = !dhd_rtt_get_report_header(rtt_status,
&rtt_results_header, &event->addr);
GCC_DIAGNOSTIC_POP();
#endif /* WL_CFG80211 */
switch (event_type) {
case WL_PROXD_EVENT_SESSION_CREATE:
DHD_RTT(("WL_PROXD_EVENT_SESSION_CREATE\n"));
break;
case WL_PROXD_EVENT_SESSION_START:
DHD_RTT(("WL_PROXD_EVENT_SESSION_START\n"));
break;
case WL_PROXD_EVENT_BURST_START:
DHD_RTT(("WL_PROXD_EVENT_BURST_START\n"));
break;
case WL_PROXD_EVENT_BURST_END:
DHD_RTT(("WL_PROXD_EVENT_BURST_END for Legacy RTT\n"));
/* allocate rtt_results for new legacy rtt results */
rtt_result = (rtt_result_t *)MALLOCZ(dhd->osh, sizeof(rtt_result_t));
if (!rtt_result) {
ret = -ENOMEM;
goto exit;
}
ret = dhd_rtt_handle_directed_rtt_burst_end(dhd, &event->addr,
p_event, tlvs_len, rtt_result, FALSE);
if (rtt_result && (ret != BCME_OK)) {
kfree(rtt_result);
rtt_result = NULL;
goto exit;
}
break;
case WL_PROXD_EVENT_SESSION_END:
DHD_RTT(("WL_PROXD_EVENT_SESSION_END\n"));
if (dhd_rtt_is_nan_peer(dhd, &event->addr)) {
/*
* Nothing to do for session end for nan peer
* All taken care in burst end and nan rng rep
*/
break;
}
#ifdef WL_CFG80211
if (!RTT_IS_ENABLED(rtt_status)) {
DHD_RTT(("Ignore the session end evt\n"));
goto exit;
}
#endif /* WL_CFG80211 */
if (tlvs_len > 0) {
/* unpack TLVs and invokes the cbfn to print the event content TLVs */
ret = bcm_unpack_xtlv_buf((void *) &session_status,
(uint8 *)&p_event->tlvs[0], tlvs_len,
BCM_XTLV_OPTION_ALIGN32, rtt_unpack_xtlv_cbfn);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s : Failed to unpack xtlv for an event\n",
__FUNCTION__));
goto exit;
}
}
#ifdef WL_CFG80211
/* In case of no result for the peer device, make fake result for error case */
if (is_new) {
dhd_rtt_create_failure_result(rtt_status, &event->addr);
}
DHD_RTT(("\n Not Nan peer..proceed to notify result and restart\n"));
dhd_rtt_handle_rtt_session_end(dhd);
#endif /* WL_CFG80211 */
break;
case WL_PROXD_EVENT_SESSION_RESTART:
DHD_RTT(("WL_PROXD_EVENT_SESSION_RESTART\n"));
break;
case WL_PROXD_EVENT_BURST_RESCHED:
DHD_RTT(("WL_PROXD_EVENT_BURST_RESCHED\n"));
break;
case WL_PROXD_EVENT_SESSION_DESTROY:
DHD_RTT(("WL_PROXD_EVENT_SESSION_DESTROY\n"));
break;
case WL_PROXD_EVENT_FTM_FRAME:
DHD_RTT(("WL_PROXD_EVENT_FTM_FRAME\n"));
break;
case WL_PROXD_EVENT_DELAY:
DHD_RTT(("WL_PROXD_EVENT_DELAY\n"));
break;
case WL_PROXD_EVENT_VS_INITIATOR_RPT:
DHD_RTT(("WL_PROXD_EVENT_VS_INITIATOR_RPT\n "));
break;
case WL_PROXD_EVENT_RANGING:
DHD_RTT(("WL_PROXD_EVENT_RANGING\n"));
break;
case WL_PROXD_EVENT_COLLECT:
DHD_RTT(("WL_PROXD_EVENT_COLLECT\n"));
if (tlvs_len > 0) {
void *buffer = NULL;
if (!(buffer = (void *)MALLOCZ(dhd->osh, tlvs_len))) {
ret = -ENOMEM;
goto exit;
}
/* unpack TLVs and invokes the cbfn to print the event content TLVs */
ret = bcm_unpack_xtlv_buf(buffer,
(uint8 *)&p_event->tlvs[0], tlvs_len,
BCM_XTLV_OPTION_NONE, rtt_unpack_xtlv_cbfn);
kfree(buffer);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s : Failed to unpack xtlv for event %d\n",
__FUNCTION__, event_type));
goto exit;
}
}
break;
case WL_PROXD_EVENT_MF_STATS:
DHD_RTT(("WL_PROXD_EVENT_MF_STATS\n"));
if (tlvs_len > 0) {
void *buffer = NULL;
if (!(buffer = (void *)MALLOCZ(dhd->osh, tlvs_len))) {
ret = -ENOMEM;
goto exit;
}
/* unpack TLVs and invokes the cbfn to print the event content TLVs */
ret = bcm_unpack_xtlv_buf(buffer,
(uint8 *)&p_event->tlvs[0], tlvs_len,
BCM_XTLV_OPTION_NONE, rtt_unpack_xtlv_cbfn);
kfree(buffer);
if (ret != BCME_OK) {
DHD_RTT_ERR(("%s : Failed to unpack xtlv for event %d\n",
__FUNCTION__, event_type));
goto exit;
}
}
break;
default:
DHD_RTT_ERR(("WLC_E_PROXD: not supported EVENT Type:%d\n", event_type));
break;
}
exit:
#ifdef WL_CFG80211
mutex_unlock(&rtt_status->rtt_mutex);
#endif /* WL_CFG80211 */
return ret;
}
#ifdef WL_CFG80211
static void
dhd_rtt_work(struct work_struct *work)
{
rtt_status_info_t *rtt_status;
dhd_pub_t *dhd;
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
rtt_status = container_of(work, rtt_status_info_t, work);
GCC_DIAGNOSTIC_POP();
dhd = rtt_status->dhd;
if (dhd == NULL) {
DHD_RTT_ERR(("%s : dhd is NULL\n", __FUNCTION__));
return;
}
(void) dhd_rtt_start(dhd);
}
#endif /* WL_CFG80211 */
int
dhd_rtt_capability(dhd_pub_t *dhd, rtt_capabilities_t *capa)
{
rtt_status_info_t *rtt_status;
int err = BCME_OK;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
NULL_CHECK(capa, "capa is NULL", err);
bzero(capa, sizeof(rtt_capabilities_t));
/* set rtt capabilities */
if (rtt_status->rtt_capa.proto & RTT_CAP_ONE_WAY)
capa->rtt_one_sided_supported = 1;
if (rtt_status->rtt_capa.proto & RTT_CAP_FTM_WAY)
capa->rtt_ftm_supported = 1;
if (rtt_status->rtt_capa.feature & RTT_FEATURE_LCI)
capa->lci_support = 1;
if (rtt_status->rtt_capa.feature & RTT_FEATURE_LCR)
capa->lcr_support = 1;
if (rtt_status->rtt_capa.feature & RTT_FEATURE_PREAMBLE)
capa->preamble_support = 1;
if (rtt_status->rtt_capa.feature & RTT_FEATURE_BW)
capa->bw_support = 1;
/* bit mask */
capa->preamble_support = rtt_status->rtt_capa.preamble;
capa->bw_support = rtt_status->rtt_capa.bw;
return err;
}
#ifdef WL_CFG80211
int
dhd_rtt_avail_channel(dhd_pub_t *dhd, wifi_channel_info *channel_info)
{
u32 chanspec = 0;
int err = BCME_OK;
chanspec_t c = 0;
u32 channel;
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
if ((err = wldev_iovar_getint(dev, "chanspec",
(s32 *)&chanspec)) == BCME_OK) {
c = (chanspec_t)dtoh32(chanspec);
c = wl_chspec_driver_to_host(c);
channel = wf_chspec_ctlchan(c);
DHD_RTT((" control channel is %d \n", channel));
if (CHSPEC_IS20(c)) {
channel_info->width = WIFI_CHAN_WIDTH_20;
DHD_RTT((" band is 20 \n"));
} else if (CHSPEC_IS40(c)) {
channel_info->width = WIFI_CHAN_WIDTH_40;
DHD_RTT(("band is 40 \n"));
} else {
channel_info->width = WIFI_CHAN_WIDTH_80;
DHD_RTT(("band is 80 \n"));
}
if (CHSPEC_IS2G(c) && (channel >= CH_MIN_2G_CHANNEL) &&
(channel <= CH_MAX_2G_CHANNEL)) {
channel_info->center_freq =
ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ);
} else if (CHSPEC_IS5G(c) && channel >= CH_MIN_5G_CHANNEL) {
channel_info->center_freq =
ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ);
}
if ((channel_info->width == WIFI_CHAN_WIDTH_80) ||
(channel_info->width == WIFI_CHAN_WIDTH_40)) {
channel = CHSPEC_CHANNEL(c);
channel_info->center_freq0 =
ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ);
}
} else {
DHD_RTT_ERR(("Failed to get the chanspec \n"));
}
return err;
}
int
dhd_rtt_enable_responder(dhd_pub_t *dhd, wifi_channel_info *channel_info)
{
int err = BCME_OK;
char chanbuf[CHANSPEC_STR_LEN];
int pm = PM_OFF;
int ftm_cfg_cnt = 0;
chanspec_t chanspec;
wifi_channel_info_t channel;
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
ftm_config_options_info_t ftm_configs[FTM_MAX_CONFIGS];
ftm_config_param_info_t ftm_params[FTM_MAX_PARAMS];
rtt_status_info_t *rtt_status;
memset(&channel, 0, sizeof(channel));
BCM_REFERENCE(chanbuf);
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
if (RTT_IS_STOPPED(rtt_status)) {
DHD_RTT(("STA responder/Target. \n"));
}
DHD_RTT(("Enter %s \n", __FUNCTION__));
if (!dhd_is_associated(dhd, 0, NULL)) {
if (channel_info) {
channel.width = channel_info->width;
channel.center_freq = channel_info->center_freq;
channel.center_freq0 = channel_info->center_freq;
}
else {
channel.width = WIFI_CHAN_WIDTH_80;
channel.center_freq = DEFAULT_FTM_FREQ;
channel.center_freq0 = DEFAULT_FTM_CNTR_FREQ0;
}
chanspec = dhd_rtt_convert_to_chspec(channel);
DHD_RTT(("chanspec/channel set as %s for rtt.\n",
wf_chspec_ntoa(chanspec, chanbuf)));
err = wldev_iovar_setint(dev, "chanspec", chanspec);
if (err) {
DHD_RTT_ERR(("Failed to set the chanspec \n"));
}
}
rtt_status->pm = PM_OFF;
err = wldev_ioctl_get(dev, WLC_GET_PM, &rtt_status->pm, sizeof(rtt_status->pm));
DHD_RTT(("Current PM value read %d\n", rtt_status->pm));
if (err) {
DHD_RTT_ERR(("Failed to get the PM value \n"));
} else {
err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
if (err) {
DHD_RTT_ERR(("Failed to set the PM \n"));
rtt_status->pm_restore = FALSE;
} else {
rtt_status->pm_restore = TRUE;
}
}
if (!RTT_IS_ENABLED(rtt_status)) {
err = dhd_rtt_ftm_enable(dhd, TRUE);
if (err) {
DHD_RTT_ERR(("Failed to enable FTM (%d)\n", err));
goto exit;
}
DHD_RTT(("FTM enabled \n"));
}
rtt_status->status = RTT_ENABLED;
DHD_RTT(("Responder enabled \n"));
memset(ftm_configs, 0, sizeof(ftm_configs));
memset(ftm_params, 0, sizeof(ftm_params));
ftm_configs[ftm_cfg_cnt].enable = TRUE;
ftm_configs[ftm_cfg_cnt++].flags = WL_PROXD_SESSION_FLAG_TARGET;
rtt_status->flags = WL_PROXD_SESSION_FLAG_TARGET;
DHD_RTT(("Set the device as responder \n"));
err = dhd_rtt_ftm_config(dhd, FTM_DEFAULT_SESSION, FTM_CONFIG_CAT_OPTIONS,
ftm_configs, ftm_cfg_cnt);
exit:
if (err) {
rtt_status->status = RTT_STOPPED;
DHD_RTT_ERR(("rtt is stopped %s \n", __FUNCTION__));
dhd_rtt_ftm_enable(dhd, FALSE);
DHD_RTT(("restoring the PM value \n"));
if (rtt_status->pm_restore) {
pm = PM_FAST;
err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
if (err) {
DHD_RTT_ERR(("Failed to restore PM \n"));
} else {
rtt_status->pm_restore = FALSE;
}
}
}
return err;
}
int
dhd_rtt_cancel_responder(dhd_pub_t *dhd)
{
int err = BCME_OK;
rtt_status_info_t *rtt_status;
int pm = 0;
struct net_device *dev = dhd_linux_get_primary_netdev(dhd);
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
DHD_RTT(("Enter %s \n", __FUNCTION__));
err = dhd_rtt_ftm_enable(dhd, FALSE);
if (err) {
DHD_RTT_ERR(("failed to disable FTM (%d)\n", err));
}
rtt_status->status = RTT_STOPPED;
if (rtt_status->pm_restore) {
pm = PM_FAST;
DHD_RTT(("pm_restore =%d \n", rtt_status->pm_restore));
err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
if (err) {
DHD_RTT_ERR(("Failed to restore PM \n"));
} else {
rtt_status->pm_restore = FALSE;
}
}
return err;
}
#endif /* WL_CFG80211 */
int
dhd_rtt_init(dhd_pub_t *dhd)
{
int err = BCME_OK;
#ifdef WL_CFG80211
int ret;
int32 drv_up = 1;
int32 version;
rtt_status_info_t *rtt_status;
ftm_config_param_info_t ftm_params[FTM_MAX_PARAMS];
int ftm_param_cnt = 0;
NULL_CHECK(dhd, "dhd is NULL", err);
if (dhd->rtt_state) {
return err;
}
dhd->rtt_state = (rtt_status_info_t *)MALLOCZ(dhd->osh,
sizeof(rtt_status_info_t));
if (dhd->rtt_state == NULL) {
err = BCME_NOMEM;
DHD_RTT_ERR(("%s : failed to create rtt_state\n", __FUNCTION__));
return err;
}
bzero(dhd->rtt_state, sizeof(rtt_status_info_t));
rtt_status = GET_RTTSTATE(dhd);
rtt_status->rtt_config.target_info =
(rtt_target_info_t *)MALLOCZ(dhd->osh,
TARGET_INFO_SIZE(RTT_MAX_TARGET_CNT));
if (rtt_status->rtt_config.target_info == NULL) {
DHD_RTT_ERR(("%s failed to allocate the target info for %d\n",
__FUNCTION__, RTT_MAX_TARGET_CNT));
err = BCME_NOMEM;
goto exit;
}
rtt_status->dhd = dhd;
/* need to do WLC_UP */
dhd_wl_ioctl_cmd(dhd, WLC_UP, (char *)&drv_up, sizeof(int32), TRUE, 0);
ret = dhd_rtt_get_version(dhd, &version);
if (ret == BCME_OK && (version == WL_PROXD_API_VERSION)) {
DHD_RTT_ERR(("%s : FTM is supported\n", __FUNCTION__));
/* rtt_status->rtt_capa.proto |= RTT_CAP_ONE_WAY; */
rtt_status->rtt_capa.proto |= RTT_CAP_FTM_WAY;
/* indicate to set tx rate */
rtt_status->rtt_capa.feature |= RTT_FEATURE_LCI;
rtt_status->rtt_capa.feature |= RTT_FEATURE_LCR;
rtt_status->rtt_capa.feature |= RTT_FEATURE_PREAMBLE;
rtt_status->rtt_capa.preamble |= RTT_PREAMBLE_VHT;
rtt_status->rtt_capa.preamble |= RTT_PREAMBLE_HT;
/* indicate to set bandwith */
rtt_status->rtt_capa.feature |= RTT_FEATURE_BW;
rtt_status->rtt_capa.bw |= RTT_BW_20;
rtt_status->rtt_capa.bw |= RTT_BW_40;
rtt_status->rtt_capa.bw |= RTT_BW_80;
} else {
if ((ret != BCME_OK) || (version == 0)) {
DHD_RTT_ERR(("%s : FTM is not supported\n", __FUNCTION__));
} else {
DHD_RTT_ERR(("%s : FTM version mismatch between HOST (%d) and FW (%d)\n",
__FUNCTION__, WL_PROXD_API_VERSION, version));
}
}
/* cancel all of RTT request once we got the cancel request */
rtt_status->all_cancel = TRUE;
mutex_init(&rtt_status->rtt_mutex);
mutex_init(&rtt_status->geofence_mutex);
INIT_LIST_HEAD(&rtt_status->noti_fn_list);
INIT_LIST_HEAD(&rtt_status->rtt_results_cache);
INIT_WORK(&rtt_status->work, dhd_rtt_work);
/* initialize proxd timer */
INIT_DELAYED_WORK(&rtt_status->proxd_timeout, dhd_rtt_timeout_work);
#ifdef WL_NAN
/* initialize proxd retry timer */
INIT_DELAYED_WORK(&rtt_status->rtt_retry_timer, dhd_rtt_retry_work);
/* initialize non zero params of geofenne cfg */
rtt_status->geofence_cfg.cur_target_idx = DHD_RTT_INVALID_TARGET_INDEX;
#endif /* WL_NAN */
/* Global proxd config */
ftm_params[ftm_param_cnt].event_mask = ((1 << WL_PROXD_EVENT_BURST_END) |
(1 << WL_PROXD_EVENT_SESSION_END));
ftm_params[ftm_param_cnt++].tlvid = WL_PROXD_TLV_ID_EVENT_MASK;
dhd_rtt_ftm_config(dhd, 0, FTM_CONFIG_CAT_GENERAL,
ftm_params, ftm_param_cnt);
exit:
if (err < 0) {
kfree(rtt_status->rtt_config.target_info);
kfree(dhd->rtt_state);
}
#endif /* WL_CFG80211 */
return err;
}
int
dhd_rtt_deinit(dhd_pub_t *dhd)
{
int err = BCME_OK;
#ifdef WL_CFG80211
rtt_status_info_t *rtt_status;
rtt_results_header_t *rtt_header, *next;
rtt_result_t *rtt_result, *next2;
struct rtt_noti_callback *iter, *iter2;
NULL_CHECK(dhd, "dhd is NULL", err);
rtt_status = GET_RTTSTATE(dhd);
NULL_CHECK(rtt_status, "rtt_status is NULL", err);
rtt_status->status = RTT_STOPPED;
DHD_RTT(("rtt is stopped %s \n", __FUNCTION__));
/* clear evt callback list */
GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
if (!list_empty(&rtt_status->noti_fn_list)) {
list_for_each_entry_safe(iter, iter2, &rtt_status->noti_fn_list, list) {
list_del(&iter->list);
kfree(iter);
}
}
/* remove the rtt results */
if (!list_empty(&rtt_status->rtt_results_cache)) {
list_for_each_entry_safe(rtt_header, next, &rtt_status->rtt_results_cache, list) {
list_del(&rtt_header->list);
list_for_each_entry_safe(rtt_result, next2,
&rtt_header->result_list, list) {
list_del(&rtt_result->list);
kfree(rtt_result);
}
kfree(rtt_header);
}
}
GCC_DIAGNOSTIC_POP();
kfree(rtt_status->rtt_config.target_info);
kfree(dhd->rtt_state);
dhd->rtt_state = NULL;
#endif /* WL_CFG80211 */
return err;
}
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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