--- /dev/null
+/*
+ * Broadcom Dongle Host Driver (DHD)
+ * Prefered Network Offload and Wi-Fi Location Service(WLS) code.
+ *
+ * Copyright (C) 1999-2019, Broadcom.
+ *
+ * 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: dhd_pno.c 812762 2019-04-02 09:36:26Z $
+ */
+
+#if defined(GSCAN_SUPPORT) && !defined(PNO_SUPPORT)
+#error "GSCAN needs PNO to be enabled!"
+#endif // endif
+
+#ifdef PNO_SUPPORT
+#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 <bcmevent.h>
+#include <dhd.h>
+#include <dhd_pno.h>
+#include <dhd_dbg.h>
+#ifdef GSCAN_SUPPORT
+#include <linux/gcd.h>
+#endif /* GSCAN_SUPPORT */
+#ifdef WL_CFG80211
+#include <wl_cfg80211.h>
+#endif /* WL_CFG80211 */
+
+#ifdef __BIG_ENDIAN
+#include <bcmendian.h>
+#define htod32(i) (bcmswap32(i))
+#define htod16(i) (bcmswap16(i))
+#define dtoh32(i) (bcmswap32(i))
+#define dtoh16(i) (bcmswap16(i))
+#define htodchanspec(i) htod16(i)
+#define dtohchanspec(i) dtoh16(i)
+#else
+#define htod32(i) (i)
+#define htod16(i) (i)
+#define dtoh32(i) (i)
+#define dtoh16(i) (i)
+#define htodchanspec(i) (i)
+#define dtohchanspec(i) (i)
+#endif /* IL_BIGENDINA */
+
+#define NULL_CHECK(p, s, err) \
+ do { \
+ if (!(p)) { \
+ printf("NULL POINTER (%s) : %s\n", __FUNCTION__, (s)); \
+ err = BCME_ERROR; \
+ return err; \
+ } \
+ } while (0)
+#define PNO_GET_PNOSTATE(dhd) ((dhd_pno_status_info_t *)dhd->pno_state)
+
+#define PNO_BESTNET_LEN WLC_IOCTL_MEDLEN
+
+#define PNO_ON 1
+#define PNO_OFF 0
+#define CHANNEL_2G_MIN 1
+#define CHANNEL_2G_MAX 14
+#define CHANNEL_5G_MIN 34
+#define CHANNEL_5G_MAX 165
+#define IS_2G_CHANNEL(ch) ((ch >= CHANNEL_2G_MIN) && \
+ (ch <= CHANNEL_2G_MAX))
+#define IS_5G_CHANNEL(ch) ((ch >= CHANNEL_5G_MIN) && \
+ (ch <= CHANNEL_5G_MAX))
+#define MAX_NODE_CNT 5
+#define WLS_SUPPORTED(pno_state) (pno_state->wls_supported == TRUE)
+#define TIME_DIFF(timestamp1, timestamp2) (abs((uint32)(timestamp1/1000) \
+ - (uint32)(timestamp2/1000)))
+#define TIME_DIFF_MS(timestamp1, timestamp2) (abs((uint32)(timestamp1) \
+ - (uint32)(timestamp2)))
+#define TIMESPEC_TO_US(ts) (((uint64)(ts).tv_sec * USEC_PER_SEC) + \
+ (ts).tv_nsec / NSEC_PER_USEC)
+
+#define ENTRY_OVERHEAD strlen("bssid=\nssid=\nfreq=\nlevel=\nage=\ndist=\ndistSd=\n====")
+#define TIME_MIN_DIFF 5
+
+#define EVENT_DATABUF_MAXLEN (512 - sizeof(bcm_event_t))
+#define EVENT_MAX_NETCNT_V1 \
+ ((EVENT_DATABUF_MAXLEN - sizeof(wl_pfn_scanresults_v1_t)) \
+ / sizeof(wl_pfn_net_info_v1_t) + 1)
+#define EVENT_MAX_NETCNT_V2 \
+ ((EVENT_DATABUF_MAXLEN - sizeof(wl_pfn_scanresults_v2_t)) \
+ / sizeof(wl_pfn_net_info_v2_t) + 1)
+
+#ifdef GSCAN_SUPPORT
+static int _dhd_pno_flush_ssid(dhd_pub_t *dhd);
+static wl_pfn_gscan_ch_bucket_cfg_t *
+dhd_pno_gscan_create_channel_list(dhd_pub_t *dhd, dhd_pno_status_info_t *pno_state,
+ uint16 *chan_list, uint32 *num_buckets, uint32 *num_buckets_to_fw);
+#endif /* GSCAN_SUPPORT */
+
+static int dhd_pno_set_legacy_pno(dhd_pub_t *dhd, uint16 scan_fr, int pno_repeat,
+ int pno_freq_expo_max, uint16 *channel_list, int nchan);
+
+static inline bool
+is_dfs(dhd_pub_t *dhd, uint16 channel)
+{
+ u32 ch;
+ s32 err;
+ u8 buf[32];
+
+ ch = wl_ch_host_to_driver(channel);
+ err = dhd_iovar(dhd, 0, "per_chan_info", (char *)&ch,
+ sizeof(u32), buf, sizeof(buf), FALSE);
+ if (unlikely(err)) {
+ DHD_ERROR(("get per chan info failed:%d\n", err));
+ return FALSE;
+ }
+ /* Check the channel flags returned by fw */
+ if (*((u32 *)buf) & WL_CHAN_PASSIVE) {
+ return TRUE;
+ }
+ return FALSE;
+}
+
+int
+dhd_pno_clean(dhd_pub_t *dhd)
+{
+ int pfn = 0;
+ int err;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ /* Disable PNO */
+ err = dhd_iovar(dhd, 0, "pfn", (char *)&pfn, sizeof(pfn), NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn(error : %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ _pno_state->pno_status = DHD_PNO_DISABLED;
+ err = dhd_iovar(dhd, 0, "pfnclear", NULL, 0, NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfnclear(error : %d)\n",
+ __FUNCTION__, err));
+ }
+exit:
+ return err;
+}
+
+bool
+dhd_is_pno_supported(dhd_pub_t *dhd)
+{
+ dhd_pno_status_info_t *_pno_state;
+
+ if (!dhd || !dhd->pno_state) {
+ DHD_ERROR(("NULL POINTER : %s\n",
+ __FUNCTION__));
+ return FALSE;
+ }
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ return WLS_SUPPORTED(_pno_state);
+}
+
+bool
+dhd_is_legacy_pno_enabled(dhd_pub_t *dhd)
+{
+ dhd_pno_status_info_t *_pno_state;
+
+ if (!dhd || !dhd->pno_state) {
+ DHD_ERROR(("NULL POINTER : %s\n",
+ __FUNCTION__));
+ return FALSE;
+ }
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ return ((_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) != 0);
+}
+
+#ifdef GSCAN_SUPPORT
+static uint64
+convert_fw_rel_time_to_systime(struct osl_timespec *ts, uint32 fw_ts_ms)
+{
+ return ((uint64)(TIMESPEC_TO_US(*ts)) - (uint64)(fw_ts_ms * 1000));
+}
+
+static void
+dhd_pno_idx_to_ssid(struct dhd_pno_gscan_params *gscan_params,
+ dhd_epno_results_t *res, uint32 idx)
+{
+ dhd_pno_ssid_t *iter, *next;
+ int i;
+
+ /* If idx doesn't make sense */
+ if (idx >= gscan_params->epno_cfg.num_epno_ssid) {
+ DHD_ERROR(("No match, idx %d num_ssid %d\n", idx,
+ gscan_params->epno_cfg.num_epno_ssid));
+ goto exit;
+ }
+
+ if (gscan_params->epno_cfg.num_epno_ssid > 0) {
+ i = 0;
+
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ &gscan_params->epno_cfg.epno_ssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ if (i++ == idx) {
+ memcpy(res->ssid, iter->SSID, iter->SSID_len);
+ res->ssid_len = iter->SSID_len;
+ return;
+ }
+ }
+ }
+exit:
+ /* If we are here then there was no match */
+ res->ssid[0] = '\0';
+ res->ssid_len = 0;
+ return;
+}
+
+/* Translate HAL flag bitmask to BRCM FW flag bitmask */
+void
+dhd_pno_translate_epno_fw_flags(uint32 *flags)
+{
+ uint32 in_flags, fw_flags = 0;
+ in_flags = *flags;
+
+ if (in_flags & DHD_EPNO_A_BAND_TRIG) {
+ fw_flags |= WL_PFN_SSID_A_BAND_TRIG;
+ }
+
+ if (in_flags & DHD_EPNO_BG_BAND_TRIG) {
+ fw_flags |= WL_PFN_SSID_BG_BAND_TRIG;
+ }
+
+ if (!(in_flags & DHD_EPNO_STRICT_MATCH) &&
+ !(in_flags & DHD_EPNO_HIDDEN_SSID)) {
+ fw_flags |= WL_PFN_SSID_IMPRECISE_MATCH;
+ }
+
+ if (in_flags & DHD_EPNO_SAME_NETWORK) {
+ fw_flags |= WL_PFN_SSID_SAME_NETWORK;
+ }
+
+ /* Add any hard coded flags needed */
+ fw_flags |= WL_PFN_SUPPRESS_AGING_MASK;
+ *flags = fw_flags;
+
+ return;
+}
+
+/* Translate HAL auth bitmask to BRCM FW bitmask */
+void
+dhd_pno_set_epno_auth_flag(uint32 *wpa_auth)
+{
+ switch (*wpa_auth) {
+ case DHD_PNO_AUTH_CODE_OPEN:
+ *wpa_auth = WPA_AUTH_DISABLED;
+ break;
+ case DHD_PNO_AUTH_CODE_PSK:
+ *wpa_auth = (WPA_AUTH_PSK | WPA2_AUTH_PSK);
+ break;
+ case DHD_PNO_AUTH_CODE_EAPOL:
+ *wpa_auth = ~WPA_AUTH_NONE;
+ break;
+ default:
+ DHD_ERROR(("%s: Unknown auth %d", __FUNCTION__, *wpa_auth));
+ *wpa_auth = WPA_AUTH_PFN_ANY;
+ break;
+ }
+ return;
+}
+
+/* Cleanup all results */
+static void
+dhd_gscan_clear_all_batch_results(dhd_pub_t *dhd)
+{
+ struct dhd_pno_gscan_params *gscan_params;
+ dhd_pno_status_info_t *_pno_state;
+ gscan_results_cache_t *iter;
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ gscan_params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan;
+ iter = gscan_params->gscan_batch_cache;
+ /* Mark everything as consumed */
+ while (iter) {
+ iter->tot_consumed = iter->tot_count;
+ iter = iter->next;
+ }
+ dhd_gscan_batch_cache_cleanup(dhd);
+ return;
+}
+
+static int
+_dhd_pno_gscan_cfg(dhd_pub_t *dhd, wl_pfn_gscan_cfg_t *pfncfg_gscan_param, int size)
+{
+ int err = BCME_OK;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ err = dhd_iovar(dhd, 0, "pfn_gscan_cfg", (char *)pfncfg_gscan_param, size, NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfncfg_gscan_param\n", __FUNCTION__));
+ goto exit;
+ }
+exit:
+ return err;
+}
+
+static int
+_dhd_pno_flush_ssid(dhd_pub_t *dhd)
+{
+ int err;
+ wl_pfn_t pfn_elem;
+ memset(&pfn_elem, 0, sizeof(wl_pfn_t));
+ pfn_elem.flags = htod32(WL_PFN_FLUSH_ALL_SSIDS);
+
+ err = dhd_iovar(dhd, 0, "pfn_add", (char *)&pfn_elem, sizeof(wl_pfn_t), NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn_add\n", __FUNCTION__));
+ }
+ return err;
+}
+
+static bool
+is_batch_retrieval_complete(struct dhd_pno_gscan_params *gscan_params)
+{
+ smp_rmb();
+ return (gscan_params->get_batch_flag == GSCAN_BATCH_RETRIEVAL_COMPLETE);
+}
+#endif /* GSCAN_SUPPORT */
+
+static int
+_dhd_pno_suspend(dhd_pub_t *dhd)
+{
+ int err;
+ int suspend = 1;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ err = dhd_iovar(dhd, 0, "pfn_suspend", (char *)&suspend, sizeof(suspend), NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to suspend pfn(error :%d)\n", __FUNCTION__, err));
+ goto exit;
+
+ }
+ _pno_state->pno_status = DHD_PNO_SUSPEND;
+exit:
+ return err;
+}
+static int
+_dhd_pno_enable(dhd_pub_t *dhd, int enable)
+{
+ int err = BCME_OK;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (enable & 0xfffe) {
+ DHD_ERROR(("%s invalid value\n", __FUNCTION__));
+ err = BCME_BADARG;
+ goto exit;
+ }
+ if (!dhd_support_sta_mode(dhd)) {
+ DHD_ERROR(("PNO is not allowed for non-STA mode"));
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ if (enable) {
+ if ((_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) &&
+ dhd_is_associated(dhd, 0, NULL)) {
+ DHD_ERROR(("%s Legacy PNO mode cannot be enabled "
+ "in assoc mode , ignore it\n", __FUNCTION__));
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ }
+ /* Enable/Disable PNO */
+ err = dhd_iovar(dhd, 0, "pfn", (char *)&enable, sizeof(enable), NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn_set - %d\n", __FUNCTION__, err));
+ goto exit;
+ }
+ _pno_state->pno_status = (enable)?
+ DHD_PNO_ENABLED : DHD_PNO_DISABLED;
+ if (!enable)
+ _pno_state->pno_mode = DHD_PNO_NONE_MODE;
+
+ DHD_PNO(("%s set pno as %s\n",
+ __FUNCTION__, enable ? "Enable" : "Disable"));
+exit:
+ return err;
+}
+
+static int
+_dhd_pno_set(dhd_pub_t *dhd, const dhd_pno_params_t *pno_params, dhd_pno_mode_t mode)
+{
+ int err = BCME_OK;
+ wl_pfn_param_t pfn_param;
+ dhd_pno_params_t *_params;
+ dhd_pno_status_info_t *_pno_state;
+ bool combined_scan = FALSE;
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ memset(&pfn_param, 0, sizeof(pfn_param));
+
+ /* set pfn parameters */
+ pfn_param.version = htod32(PFN_VERSION);
+ pfn_param.flags = ((PFN_LIST_ORDER << SORT_CRITERIA_BIT) |
+ (ENABLE << IMMEDIATE_SCAN_BIT) | (ENABLE << REPORT_SEPERATELY_BIT));
+ if (mode == DHD_PNO_LEGACY_MODE) {
+ /* check and set extra pno params */
+ if ((pno_params->params_legacy.pno_repeat != 0) ||
+ (pno_params->params_legacy.pno_freq_expo_max != 0)) {
+ pfn_param.flags |= htod16(ENABLE << ENABLE_ADAPTSCAN_BIT);
+ pfn_param.repeat = (uchar) (pno_params->params_legacy.pno_repeat);
+ pfn_param.exp = (uchar) (pno_params->params_legacy.pno_freq_expo_max);
+ }
+ /* set up pno scan fr */
+ if (pno_params->params_legacy.scan_fr != 0)
+ pfn_param.scan_freq = htod32(pno_params->params_legacy.scan_fr);
+ if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ DHD_PNO(("will enable combined scan with BATCHIG SCAN MODE\n"));
+ mode |= DHD_PNO_BATCH_MODE;
+ combined_scan = TRUE;
+ } else if (_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE) {
+ DHD_PNO(("will enable combined scan with HOTLIST SCAN MODE\n"));
+ mode |= DHD_PNO_HOTLIST_MODE;
+ combined_scan = TRUE;
+ }
+#ifdef GSCAN_SUPPORT
+ else if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ DHD_PNO(("will enable combined scan with GSCAN SCAN MODE\n"));
+ mode |= DHD_PNO_GSCAN_MODE;
+ }
+#endif /* GSCAN_SUPPORT */
+ }
+ if (mode & (DHD_PNO_BATCH_MODE | DHD_PNO_HOTLIST_MODE)) {
+ /* Scan frequency of 30 sec */
+ pfn_param.scan_freq = htod32(30);
+ /* slow adapt scan is off by default */
+ pfn_param.slow_freq = htod32(0);
+ /* RSSI margin of 30 dBm */
+ pfn_param.rssi_margin = htod16(PNO_RSSI_MARGIN_DBM);
+ /* Network timeout 60 sec */
+ pfn_param.lost_network_timeout = htod32(60);
+ /* best n = 2 by default */
+ pfn_param.bestn = DEFAULT_BESTN;
+ /* mscan m=0 by default, so not record best networks by default */
+ pfn_param.mscan = DEFAULT_MSCAN;
+ /* default repeat = 10 */
+ pfn_param.repeat = DEFAULT_REPEAT;
+ /* by default, maximum scan interval = 2^2
+ * scan_freq when adaptive scan is turned on
+ */
+ pfn_param.exp = DEFAULT_EXP;
+ if (mode == DHD_PNO_BATCH_MODE) {
+ /* In case of BATCH SCAN */
+ if (pno_params->params_batch.bestn)
+ pfn_param.bestn = pno_params->params_batch.bestn;
+ if (pno_params->params_batch.scan_fr)
+ pfn_param.scan_freq = htod32(pno_params->params_batch.scan_fr);
+ if (pno_params->params_batch.mscan)
+ pfn_param.mscan = pno_params->params_batch.mscan;
+ /* enable broadcast scan */
+ pfn_param.flags |= (ENABLE << ENABLE_BD_SCAN_BIT);
+ } else if (mode == DHD_PNO_HOTLIST_MODE) {
+ /* In case of HOTLIST SCAN */
+ if (pno_params->params_hotlist.scan_fr)
+ pfn_param.scan_freq = htod32(pno_params->params_hotlist.scan_fr);
+ pfn_param.bestn = 0;
+ pfn_param.repeat = 0;
+ /* enable broadcast scan */
+ pfn_param.flags |= (ENABLE << ENABLE_BD_SCAN_BIT);
+ }
+ if (combined_scan) {
+ /* Disable Adaptive Scan */
+ pfn_param.flags &= ~(htod16(ENABLE << ENABLE_ADAPTSCAN_BIT));
+ pfn_param.flags |= (ENABLE << ENABLE_BD_SCAN_BIT);
+ pfn_param.repeat = 0;
+ pfn_param.exp = 0;
+ if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ /* In case of Legacy PNO + BATCH SCAN */
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS]);
+ if (_params->params_batch.bestn)
+ pfn_param.bestn = _params->params_batch.bestn;
+ if (_params->params_batch.scan_fr)
+ pfn_param.scan_freq = htod32(_params->params_batch.scan_fr);
+ if (_params->params_batch.mscan)
+ pfn_param.mscan = _params->params_batch.mscan;
+ } else if (_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE) {
+ /* In case of Legacy PNO + HOTLIST SCAN */
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_HOTLIST_PARAMS]);
+ if (_params->params_hotlist.scan_fr)
+ pfn_param.scan_freq = htod32(_params->params_hotlist.scan_fr);
+ pfn_param.bestn = 0;
+ pfn_param.repeat = 0;
+ }
+ }
+ }
+#ifdef GSCAN_SUPPORT
+ if (mode & DHD_PNO_GSCAN_MODE) {
+ uint32 lost_network_timeout;
+
+ pfn_param.scan_freq = htod32(pno_params->params_gscan.scan_fr);
+ if (pno_params->params_gscan.mscan) {
+ pfn_param.bestn = pno_params->params_gscan.bestn;
+ pfn_param.mscan = pno_params->params_gscan.mscan;
+ pfn_param.flags |= (ENABLE << ENABLE_BD_SCAN_BIT);
+ }
+ /* RSSI margin of 30 dBm */
+ pfn_param.rssi_margin = htod16(PNO_RSSI_MARGIN_DBM);
+ pfn_param.repeat = 0;
+ pfn_param.exp = 0;
+ pfn_param.slow_freq = 0;
+ pfn_param.flags |= htod16(ENABLE << ENABLE_ADAPTSCAN_BIT);
+
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ dhd_pno_params_t *params;
+
+ params = &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS]);
+
+ pfn_param.scan_freq = gcd(pno_params->params_gscan.scan_fr,
+ params->params_legacy.scan_fr);
+
+ if ((params->params_legacy.pno_repeat != 0) ||
+ (params->params_legacy.pno_freq_expo_max != 0)) {
+ pfn_param.repeat = (uchar) (params->params_legacy.pno_repeat);
+ pfn_param.exp = (uchar) (params->params_legacy.pno_freq_expo_max);
+ }
+ }
+
+ lost_network_timeout = (pno_params->params_gscan.max_ch_bucket_freq *
+ pfn_param.scan_freq *
+ pno_params->params_gscan.lost_ap_window);
+ if (lost_network_timeout) {
+ pfn_param.lost_network_timeout = htod32(MIN(lost_network_timeout,
+ GSCAN_MIN_BSSID_TIMEOUT));
+ } else {
+ pfn_param.lost_network_timeout = htod32(GSCAN_MIN_BSSID_TIMEOUT);
+ }
+ } else
+#endif /* GSCAN_SUPPORT */
+ {
+ if (pfn_param.scan_freq < htod32(PNO_SCAN_MIN_FW_SEC) ||
+ pfn_param.scan_freq > htod32(PNO_SCAN_MAX_FW_SEC)) {
+ DHD_ERROR(("%s pno freq(%d sec) is not valid \n",
+ __FUNCTION__, PNO_SCAN_MIN_FW_SEC));
+ err = BCME_BADARG;
+ goto exit;
+ }
+ }
+
+ err = dhd_set_rand_mac_oui(dhd);
+ /* Ignore if chip doesnt support the feature */
+ if (err < 0 && err != BCME_UNSUPPORTED) {
+ DHD_ERROR(("%s : failed to set random mac for PNO scan, %d\n", __FUNCTION__, err));
+ goto exit;
+ }
+
+#ifdef GSCAN_SUPPORT
+ if (mode == DHD_PNO_BATCH_MODE ||
+ ((mode & DHD_PNO_GSCAN_MODE) && pno_params->params_gscan.mscan))
+#else
+ if (mode == DHD_PNO_BATCH_MODE)
+#endif /* GSCAN_SUPPORT */
+ {
+ int _tmp = pfn_param.bestn;
+ /* set bestn to calculate the max mscan which firmware supports */
+ err = dhd_iovar(dhd, 0, "pfnmem", (char *)&_tmp, sizeof(_tmp), NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to set pfnmem\n", __FUNCTION__));
+ goto exit;
+ }
+ /* get max mscan which the firmware supports */
+ err = dhd_iovar(dhd, 0, "pfnmem", NULL, 0, (char *)&_tmp, sizeof(_tmp), FALSE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to get pfnmem\n", __FUNCTION__));
+ goto exit;
+ }
+ pfn_param.mscan = MIN(pfn_param.mscan, _tmp);
+ DHD_PNO((" returned mscan : %d, set bestn : %d mscan %d\n", _tmp, pfn_param.bestn,
+ pfn_param.mscan));
+ }
+ err = dhd_iovar(dhd, 0, "pfn_set", (char *)&pfn_param, sizeof(pfn_param), NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn_set %d\n", __FUNCTION__, err));
+ goto exit;
+ }
+ /* need to return mscan if this is for batch scan instead of err */
+ err = (mode == DHD_PNO_BATCH_MODE)? pfn_param.mscan : err;
+exit:
+ return err;
+}
+
+static int
+_dhd_pno_add_ssid(dhd_pub_t *dhd, struct list_head* ssid_list, int nssid)
+{
+ int err = BCME_OK;
+ int i = 0, mem_needed;
+ wl_pfn_t *pfn_elem_buf;
+ struct dhd_pno_ssid *iter, *next;
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ if (!nssid) {
+ NULL_CHECK(ssid_list, "ssid list is NULL", err);
+ return BCME_ERROR;
+ }
+ mem_needed = (sizeof(wl_pfn_t) * nssid);
+ pfn_elem_buf = (wl_pfn_t *) MALLOCZ(dhd->osh, mem_needed);
+ if (!pfn_elem_buf) {
+ DHD_ERROR(("%s: Can't malloc %d bytes!\n", __FUNCTION__, mem_needed));
+ return BCME_NOMEM;
+ }
+
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next, ssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ pfn_elem_buf[i].infra = htod32(1);
+ pfn_elem_buf[i].auth = htod32(DOT11_OPEN_SYSTEM);
+ pfn_elem_buf[i].wpa_auth = htod32(iter->wpa_auth);
+ pfn_elem_buf[i].flags = htod32(iter->flags);
+ if (iter->hidden)
+ pfn_elem_buf[i].flags |= htod32(ENABLE << WL_PFN_HIDDEN_BIT);
+ /* If a single RSSI threshold is defined, use that */
+#ifdef PNO_MIN_RSSI_TRIGGER
+ pfn_elem_buf[i].flags |= ((PNO_MIN_RSSI_TRIGGER & 0xFF) << WL_PFN_RSSI_SHIFT);
+#else
+ pfn_elem_buf[i].flags |= ((iter->rssi_thresh & 0xFF) << WL_PFN_RSSI_SHIFT);
+#endif /* PNO_MIN_RSSI_TRIGGER */
+ memcpy((char *)pfn_elem_buf[i].ssid.SSID, iter->SSID,
+ iter->SSID_len);
+ pfn_elem_buf[i].ssid.SSID_len = iter->SSID_len;
+ DHD_PNO(("%s size = %d hidden = %d flags = %x rssi_thresh %d\n",
+ iter->SSID, iter->SSID_len, iter->hidden,
+ iter->flags, iter->rssi_thresh));
+ if (++i >= nssid) {
+ /* shouldn't happen */
+ break;
+ }
+ }
+
+ err = dhd_iovar(dhd, 0, "pfn_add", (char *)pfn_elem_buf, mem_needed, NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn_add\n", __FUNCTION__));
+ }
+ MFREE(dhd->osh, pfn_elem_buf, mem_needed);
+ return err;
+}
+
+/* qsort compare function */
+static int
+_dhd_pno_cmpfunc(const void *a, const void *b)
+{
+ return (*(const uint16*)a - *(const uint16*)b);
+}
+
+static int
+_dhd_pno_chan_merge(uint16 *d_chan_list, int *nchan,
+ uint16 *chan_list1, int nchan1, uint16 *chan_list2, int nchan2)
+{
+ int err = BCME_OK;
+ int i = 0, j = 0, k = 0;
+ uint16 tmp;
+ NULL_CHECK(d_chan_list, "d_chan_list is NULL", err);
+ NULL_CHECK(nchan, "nchan is NULL", err);
+ NULL_CHECK(chan_list1, "chan_list1 is NULL", err);
+ NULL_CHECK(chan_list2, "chan_list2 is NULL", err);
+ /* chan_list1 and chan_list2 should be sorted at first */
+ while (i < nchan1 && j < nchan2) {
+ tmp = chan_list1[i] < chan_list2[j]?
+ chan_list1[i++] : chan_list2[j++];
+ for (; i < nchan1 && chan_list1[i] == tmp; i++);
+ for (; j < nchan2 && chan_list2[j] == tmp; j++);
+ d_chan_list[k++] = tmp;
+ }
+
+ while (i < nchan1) {
+ tmp = chan_list1[i++];
+ for (; i < nchan1 && chan_list1[i] == tmp; i++);
+ d_chan_list[k++] = tmp;
+ }
+
+ while (j < nchan2) {
+ tmp = chan_list2[j++];
+ for (; j < nchan2 && chan_list2[j] == tmp; j++);
+ d_chan_list[k++] = tmp;
+
+ }
+ *nchan = k;
+ return err;
+}
+
+static int
+_dhd_pno_get_channels(dhd_pub_t *dhd, uint16 *d_chan_list,
+ int *nchan, uint8 band, bool skip_dfs)
+{
+ int err = BCME_OK;
+ int i, j;
+ uint32 chan_buf[WL_NUMCHANNELS + 1];
+ wl_uint32_list_t *list;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ if (*nchan) {
+ NULL_CHECK(d_chan_list, "d_chan_list is NULL", err);
+ }
+ memset(&chan_buf, 0, sizeof(chan_buf));
+ list = (wl_uint32_list_t *) (void *)chan_buf;
+ list->count = htod32(WL_NUMCHANNELS);
+ err = dhd_wl_ioctl_cmd(dhd, WLC_GET_VALID_CHANNELS, chan_buf, sizeof(chan_buf), FALSE, 0);
+ if (err < 0) {
+ DHD_ERROR(("failed to get channel list (err: %d)\n", err));
+ return err;
+ }
+ for (i = 0, j = 0; i < dtoh32(list->count) && i < *nchan; i++) {
+ if (IS_2G_CHANNEL(dtoh32(list->element[i]))) {
+ if (!(band & WLC_BAND_2G)) {
+ /* Skip, if not 2g */
+ continue;
+ }
+ /* fall through to include the channel */
+ } else if (IS_5G_CHANNEL(dtoh32(list->element[i]))) {
+ bool dfs_channel = is_dfs(dhd, dtoh32(list->element[i]));
+ if ((skip_dfs && dfs_channel) ||
+ (!(band & WLC_BAND_5G) && !dfs_channel)) {
+ /* Skip the channel if:
+ * the DFS bit is NOT set & the channel is a dfs channel
+ * the band 5G is not set & the channel is a non DFS 5G channel
+ */
+ continue;
+ }
+ /* fall through to include the channel */
+ } else {
+ /* Not in range. Bad channel */
+ DHD_ERROR(("Not in range. bad channel\n"));
+ *nchan = 0;
+ return BCME_BADCHAN;
+ }
+
+ /* Include the channel */
+ d_chan_list[j++] = (uint16) dtoh32(list->element[i]);
+ }
+ *nchan = j;
+ return err;
+}
+
+static int
+_dhd_pno_convert_format(dhd_pub_t *dhd, struct dhd_pno_batch_params *params_batch,
+ char *buf, int nbufsize)
+{
+ int err = BCME_OK;
+ int bytes_written = 0, nreadsize = 0;
+ int t_delta = 0;
+ int nleftsize = nbufsize;
+ uint8 cnt = 0;
+ char *bp = buf;
+ char eabuf[ETHER_ADDR_STR_LEN];
+#ifdef PNO_DEBUG
+ char *_base_bp;
+ char msg[150];
+#endif // endif
+ dhd_pno_bestnet_entry_t *iter, *next;
+ dhd_pno_scan_results_t *siter, *snext;
+ dhd_pno_best_header_t *phead, *pprev;
+ NULL_CHECK(params_batch, "params_batch is NULL", err);
+ if (nbufsize > 0)
+ NULL_CHECK(buf, "buf is NULL", err);
+ /* initialize the buffer */
+ memset(buf, 0, nbufsize);
+ DHD_PNO(("%s enter \n", __FUNCTION__));
+ /* # of scans */
+ if (!params_batch->get_batch.batch_started) {
+ bp += nreadsize = snprintf(bp, nleftsize, "scancount=%d\n",
+ params_batch->get_batch.expired_tot_scan_cnt);
+ nleftsize -= nreadsize;
+ params_batch->get_batch.batch_started = TRUE;
+ }
+ DHD_PNO(("%s scancount %d\n", __FUNCTION__, params_batch->get_batch.expired_tot_scan_cnt));
+ /* preestimate scan count until which scan result this report is going to end */
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(siter, snext,
+ ¶ms_batch->get_batch.expired_scan_results_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ phead = siter->bestnetheader;
+ while (phead != NULL) {
+ /* if left_size is less than bestheader total size , stop this */
+ if (nleftsize <=
+ (phead->tot_size + phead->tot_cnt * ENTRY_OVERHEAD))
+ goto exit;
+ /* increase scan count */
+ cnt++;
+ /* # best of each scan */
+ DHD_PNO(("\n<loop : %d, apcount %d>\n", cnt - 1, phead->tot_cnt));
+ /* attribute of the scan */
+ if (phead->reason & PNO_STATUS_ABORT_MASK) {
+ bp += nreadsize = snprintf(bp, nleftsize, "trunc\n");
+ nleftsize -= nreadsize;
+ }
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ &phead->entry_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ t_delta = jiffies_to_msecs(jiffies - iter->recorded_time);
+#ifdef PNO_DEBUG
+ _base_bp = bp;
+ memset(msg, 0, sizeof(msg));
+#endif // endif
+ /* BSSID info */
+ bp += nreadsize = snprintf(bp, nleftsize, "bssid=%s\n",
+ bcm_ether_ntoa((const struct ether_addr *)&iter->BSSID, eabuf));
+ nleftsize -= nreadsize;
+ /* SSID */
+ bp += nreadsize = snprintf(bp, nleftsize, "ssid=%s\n", iter->SSID);
+ nleftsize -= nreadsize;
+ /* channel */
+ bp += nreadsize = snprintf(bp, nleftsize, "freq=%d\n",
+ wf_channel2mhz(iter->channel,
+ iter->channel <= CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ nleftsize -= nreadsize;
+ /* RSSI */
+ bp += nreadsize = snprintf(bp, nleftsize, "level=%d\n", iter->RSSI);
+ nleftsize -= nreadsize;
+ /* add the time consumed in Driver to the timestamp of firmware */
+ iter->timestamp += t_delta;
+ bp += nreadsize = snprintf(bp, nleftsize,
+ "age=%d\n", iter->timestamp);
+ nleftsize -= nreadsize;
+ /* RTT0 */
+ bp += nreadsize = snprintf(bp, nleftsize, "dist=%d\n",
+ (iter->rtt0 == 0)? -1 : iter->rtt0);
+ nleftsize -= nreadsize;
+ /* RTT1 */
+ bp += nreadsize = snprintf(bp, nleftsize, "distSd=%d\n",
+ (iter->rtt0 == 0)? -1 : iter->rtt1);
+ nleftsize -= nreadsize;
+ bp += nreadsize = snprintf(bp, nleftsize, "%s", AP_END_MARKER);
+ nleftsize -= nreadsize;
+ list_del(&iter->list);
+ MFREE(dhd->osh, iter, BESTNET_ENTRY_SIZE);
+#ifdef PNO_DEBUG
+ memcpy(msg, _base_bp, bp - _base_bp);
+ DHD_PNO(("Entry : \n%s", msg));
+#endif // endif
+ }
+ bp += nreadsize = snprintf(bp, nleftsize, "%s", SCAN_END_MARKER);
+ DHD_PNO(("%s", SCAN_END_MARKER));
+ nleftsize -= nreadsize;
+ pprev = phead;
+ /* reset the header */
+ siter->bestnetheader = phead = phead->next;
+ MFREE(dhd->osh, pprev, BEST_HEADER_SIZE);
+
+ siter->cnt_header--;
+ }
+ if (phead == NULL) {
+ /* we store all entry in this scan , so it is ok to delete */
+ list_del(&siter->list);
+ MFREE(dhd->osh, siter, SCAN_RESULTS_SIZE);
+ }
+ }
+exit:
+ if (cnt < params_batch->get_batch.expired_tot_scan_cnt) {
+ DHD_ERROR(("Buffer size is small to save all batch entry,"
+ " cnt : %d (remained_scan_cnt): %d\n",
+ cnt, params_batch->get_batch.expired_tot_scan_cnt - cnt));
+ }
+ params_batch->get_batch.expired_tot_scan_cnt -= cnt;
+ /* set FALSE only if the link list is empty after returning the data */
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ if (list_empty(¶ms_batch->get_batch.expired_scan_results_list)) {
+ GCC_DIAGNOSTIC_POP();
+ params_batch->get_batch.batch_started = FALSE;
+ bp += snprintf(bp, nleftsize, "%s", RESULTS_END_MARKER);
+ DHD_PNO(("%s", RESULTS_END_MARKER));
+ DHD_PNO(("%s : Getting the batching data is complete\n", __FUNCTION__));
+ }
+ /* return used memory in buffer */
+ bytes_written = (int32)(bp - buf);
+ return bytes_written;
+}
+
+static int
+_dhd_pno_clear_all_batch_results(dhd_pub_t *dhd, struct list_head *head, bool only_last)
+{
+ int err = BCME_OK;
+ int removed_scan_cnt = 0;
+ dhd_pno_scan_results_t *siter, *snext;
+ dhd_pno_best_header_t *phead, *pprev;
+ dhd_pno_bestnet_entry_t *iter, *next;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(head, "head is NULL", err);
+ NULL_CHECK(head->next, "head->next is NULL", err);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(siter, snext,
+ head, list) {
+ if (only_last) {
+ /* in case that we need to delete only last one */
+ if (!list_is_last(&siter->list, head)) {
+ /* skip if the one is not last */
+ continue;
+ }
+ }
+ /* delete all data belong if the one is last */
+ phead = siter->bestnetheader;
+ while (phead != NULL) {
+ removed_scan_cnt++;
+ list_for_each_entry_safe(iter, next,
+ &phead->entry_list, list) {
+ list_del(&iter->list);
+ MFREE(dhd->osh, iter, BESTNET_ENTRY_SIZE);
+ }
+ pprev = phead;
+ phead = phead->next;
+ MFREE(dhd->osh, pprev, BEST_HEADER_SIZE);
+ }
+ if (phead == NULL) {
+ /* it is ok to delete top node */
+ list_del(&siter->list);
+ MFREE(dhd->osh, siter, SCAN_RESULTS_SIZE);
+ }
+ }
+ GCC_DIAGNOSTIC_POP();
+ return removed_scan_cnt;
+}
+
+static int
+_dhd_pno_cfg(dhd_pub_t *dhd, uint16 *channel_list, int nchan)
+{
+ int err = BCME_OK;
+ int i = 0;
+ wl_pfn_cfg_t pfncfg_param;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ if (nchan) {
+ NULL_CHECK(channel_list, "nchan is NULL", err);
+ }
+ if (nchan > WL_NUMCHANNELS) {
+ return BCME_RANGE;
+ }
+ DHD_PNO(("%s enter : nchan : %d\n", __FUNCTION__, nchan));
+ memset(&pfncfg_param, 0, sizeof(wl_pfn_cfg_t));
+ /* Setup default values */
+ pfncfg_param.reporttype = htod32(WL_PFN_REPORT_ALLNET);
+ pfncfg_param.channel_num = htod32(0);
+
+ for (i = 0; i < nchan; i++)
+ pfncfg_param.channel_list[i] = channel_list[i];
+
+ pfncfg_param.channel_num = htod32(nchan);
+ err = dhd_iovar(dhd, 0, "pfn_cfg", (char *)&pfncfg_param, sizeof(pfncfg_param), NULL, 0,
+ TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn_cfg\n", __FUNCTION__));
+ goto exit;
+ }
+exit:
+ return err;
+}
+
+static int
+_dhd_pno_reinitialize_prof(dhd_pub_t *dhd, dhd_pno_params_t *params, dhd_pno_mode_t mode)
+{
+ int err = BCME_OK;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL\n", err);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ mutex_lock(&_pno_state->pno_mutex);
+ switch (mode) {
+ case DHD_PNO_LEGACY_MODE: {
+ struct dhd_pno_ssid *iter, *next;
+ if (params->params_legacy.nssid > 0) {
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ ¶ms->params_legacy.ssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ list_del(&iter->list);
+ MFREE(dhd->osh, iter, sizeof(struct dhd_pno_ssid));
+ }
+ }
+
+ params->params_legacy.nssid = 0;
+ params->params_legacy.scan_fr = 0;
+ params->params_legacy.pno_freq_expo_max = 0;
+ params->params_legacy.pno_repeat = 0;
+ params->params_legacy.nchan = 0;
+ memset(params->params_legacy.chan_list, 0,
+ sizeof(params->params_legacy.chan_list));
+ break;
+ }
+ case DHD_PNO_BATCH_MODE: {
+ params->params_batch.scan_fr = 0;
+ params->params_batch.mscan = 0;
+ params->params_batch.nchan = 0;
+ params->params_batch.rtt = 0;
+ params->params_batch.bestn = 0;
+ params->params_batch.nchan = 0;
+ params->params_batch.band = WLC_BAND_AUTO;
+ memset(params->params_batch.chan_list, 0,
+ sizeof(params->params_batch.chan_list));
+ params->params_batch.get_batch.batch_started = FALSE;
+ params->params_batch.get_batch.buf = NULL;
+ params->params_batch.get_batch.bufsize = 0;
+ params->params_batch.get_batch.reason = 0;
+ _dhd_pno_clear_all_batch_results(dhd,
+ ¶ms->params_batch.get_batch.scan_results_list, FALSE);
+ _dhd_pno_clear_all_batch_results(dhd,
+ ¶ms->params_batch.get_batch.expired_scan_results_list, FALSE);
+ params->params_batch.get_batch.tot_scan_cnt = 0;
+ params->params_batch.get_batch.expired_tot_scan_cnt = 0;
+ params->params_batch.get_batch.top_node_cnt = 0;
+ INIT_LIST_HEAD(¶ms->params_batch.get_batch.scan_results_list);
+ INIT_LIST_HEAD(¶ms->params_batch.get_batch.expired_scan_results_list);
+ break;
+ }
+ case DHD_PNO_HOTLIST_MODE: {
+ struct dhd_pno_bssid *iter, *next;
+ if (params->params_hotlist.nbssid > 0) {
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ ¶ms->params_hotlist.bssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ list_del(&iter->list);
+ MFREE(dhd->osh, iter, sizeof(struct dhd_pno_ssid));
+ }
+ }
+ params->params_hotlist.scan_fr = 0;
+ params->params_hotlist.nbssid = 0;
+ params->params_hotlist.nchan = 0;
+ params->params_batch.band = WLC_BAND_AUTO;
+ memset(params->params_hotlist.chan_list, 0,
+ sizeof(params->params_hotlist.chan_list));
+ break;
+ }
+ default:
+ DHD_ERROR(("%s : unknown mode : %d\n", __FUNCTION__, mode));
+ break;
+ }
+ mutex_unlock(&_pno_state->pno_mutex);
+ return err;
+}
+
+static int
+_dhd_pno_add_bssid(dhd_pub_t *dhd, wl_pfn_bssid_t *p_pfn_bssid, int nbssid)
+{
+ int err = BCME_OK;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ if (nbssid) {
+ NULL_CHECK(p_pfn_bssid, "bssid list is NULL", err);
+ }
+ err = dhd_iovar(dhd, 0, "pfn_add_bssid", (char *)p_pfn_bssid,
+ sizeof(wl_pfn_bssid_t) * nbssid, NULL, 0, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to execute pfn_cfg\n", __FUNCTION__));
+ goto exit;
+ }
+exit:
+ return err;
+}
+
+int
+dhd_pno_stop_for_ssid(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ uint32 mode = 0, cnt = 0;
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params = NULL;
+ wl_pfn_bssid_t *p_pfn_bssid = NULL, *tmp_bssid;
+
+ NULL_CHECK(dhd, "dev is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ if (!(_pno_state->pno_mode & DHD_PNO_LEGACY_MODE)) {
+ DHD_ERROR(("%s : LEGACY PNO MODE is not enabled\n", __FUNCTION__));
+ goto exit;
+ }
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ /* If pno mode is PNO_LEGACY_MODE clear the pno values and unset the DHD_PNO_LEGACY_MODE */
+ _params = &_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS];
+ _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_LEGACY_MODE);
+ _pno_state->pno_mode &= ~DHD_PNO_LEGACY_MODE;
+
+#ifdef GSCAN_SUPPORT
+ if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ struct dhd_pno_gscan_params *gscan_params;
+
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ gscan_params = &_params->params_gscan;
+ if (gscan_params->mscan) {
+ /* retrieve the batching data from firmware into host */
+ err = dhd_wait_batch_results_complete(dhd);
+ if (err != BCME_OK)
+ goto exit;
+ }
+ /* save current pno_mode before calling dhd_pno_clean */
+ mutex_lock(&_pno_state->pno_mutex);
+ mode = _pno_state->pno_mode;
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ mutex_unlock(&_pno_state->pno_mutex);
+ goto exit;
+ }
+ /* restore previous pno_mode */
+ _pno_state->pno_mode = mode;
+ mutex_unlock(&_pno_state->pno_mutex);
+ /* Restart gscan */
+ err = dhd_pno_initiate_gscan_request(dhd, 1, 0);
+ goto exit;
+ }
+#endif /* GSCAN_SUPPORT */
+ /* restart Batch mode if the batch mode is on */
+ if (_pno_state->pno_mode & (DHD_PNO_BATCH_MODE | DHD_PNO_HOTLIST_MODE)) {
+ /* retrieve the batching data from firmware into host */
+ dhd_pno_get_for_batch(dhd, NULL, 0, PNO_STATUS_DISABLE);
+ /* save current pno_mode before calling dhd_pno_clean */
+ mode = _pno_state->pno_mode;
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ err = BCME_ERROR;
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+
+ /* restore previous pno_mode */
+ _pno_state->pno_mode = mode;
+ if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS]);
+ /* restart BATCH SCAN */
+ err = dhd_pno_set_for_batch(dhd, &_params->params_batch);
+ if (err < 0) {
+ _pno_state->pno_mode &= ~DHD_PNO_BATCH_MODE;
+ DHD_ERROR(("%s : failed to restart batch scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ } else if (_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE) {
+ /* restart HOTLIST SCAN */
+ struct dhd_pno_bssid *iter, *next;
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_HOTLIST_PARAMS]);
+ p_pfn_bssid = MALLOCZ(dhd->osh, sizeof(wl_pfn_bssid_t) *
+ _params->params_hotlist.nbssid);
+ if (p_pfn_bssid == NULL) {
+ DHD_ERROR(("%s : failed to allocate wl_pfn_bssid_t array"
+ " (count: %d)",
+ __FUNCTION__, _params->params_hotlist.nbssid));
+ err = BCME_ERROR;
+ _pno_state->pno_mode &= ~DHD_PNO_HOTLIST_MODE;
+ goto exit;
+ }
+ /* convert dhd_pno_bssid to wl_pfn_bssid */
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ cnt = 0;
+ tmp_bssid = p_pfn_bssid;
+ list_for_each_entry_safe(iter, next,
+ &_params->params_hotlist.bssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ memcpy(&tmp_bssid->macaddr,
+ &iter->macaddr, ETHER_ADDR_LEN);
+ tmp_bssid->flags = iter->flags;
+ if (cnt < _params->params_hotlist.nbssid) {
+ tmp_bssid++;
+ cnt++;
+ } else {
+ DHD_ERROR(("%s: Allocated insufficient memory\n",
+ __FUNCTION__));
+ break;
+ }
+ }
+ err = dhd_pno_set_for_hotlist(dhd, p_pfn_bssid, &_params->params_hotlist);
+ if (err < 0) {
+ _pno_state->pno_mode &= ~DHD_PNO_HOTLIST_MODE;
+ DHD_ERROR(("%s : failed to restart hotlist scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+ } else {
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+exit:
+ if (p_pfn_bssid) {
+ MFREE(dhd->osh, p_pfn_bssid, sizeof(wl_pfn_bssid_t) *
+ _params->params_hotlist.nbssid);
+ }
+ return err;
+}
+
+int
+dhd_pno_enable(dhd_pub_t *dhd, int enable)
+{
+ int err = BCME_OK;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ return (_dhd_pno_enable(dhd, enable));
+}
+
+static int
+dhd_pno_add_to_ssid_list(dhd_pub_t *dhd, struct list_head *ptr, wlc_ssid_ext_t *ssid_list,
+ int nssid, int *num_ssid_added)
+{
+ int ret = BCME_OK;
+ int i;
+ struct dhd_pno_ssid *_pno_ssid;
+
+ for (i = 0; i < nssid; i++) {
+ if (ssid_list[i].SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("%s : Invalid SSID length %d\n",
+ __FUNCTION__, ssid_list[i].SSID_len));
+ ret = BCME_ERROR;
+ goto exit;
+ }
+ /* Check for broadcast ssid */
+ if (!ssid_list[i].SSID_len) {
+ DHD_ERROR(("%d: Broadcast SSID is illegal for PNO setting\n", i));
+ ret = BCME_ERROR;
+ goto exit;
+ }
+ _pno_ssid = (struct dhd_pno_ssid *)MALLOCZ(dhd->osh,
+ sizeof(struct dhd_pno_ssid));
+ if (_pno_ssid == NULL) {
+ DHD_ERROR(("%s : failed to allocate struct dhd_pno_ssid\n",
+ __FUNCTION__));
+ ret = BCME_ERROR;
+ goto exit;
+ }
+ _pno_ssid->SSID_len = ssid_list[i].SSID_len;
+ _pno_ssid->hidden = ssid_list[i].hidden;
+ _pno_ssid->rssi_thresh = ssid_list[i].rssi_thresh;
+ _pno_ssid->flags = ssid_list[i].flags;
+ _pno_ssid->wpa_auth = WPA_AUTH_PFN_ANY;
+
+ memcpy(_pno_ssid->SSID, ssid_list[i].SSID, _pno_ssid->SSID_len);
+ list_add_tail(&_pno_ssid->list, ptr);
+ }
+
+exit:
+ *num_ssid_added = i;
+ return ret;
+}
+
+int
+dhd_pno_set_for_ssid(dhd_pub_t *dhd, wlc_ssid_ext_t* ssid_list, int nssid,
+ uint16 scan_fr, int pno_repeat, int pno_freq_expo_max, uint16 *channel_list, int nchan)
+{
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ struct dhd_pno_legacy_params *params_legacy;
+ int err = BCME_OK;
+
+ if (!dhd || !dhd->pno_state) {
+ DHD_ERROR(("%s: PNO Not enabled/Not ready\n", __FUNCTION__));
+ return BCME_NOTREADY;
+ }
+
+ if (!dhd_support_sta_mode(dhd)) {
+ return BCME_BADOPTION;
+ }
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS]);
+ params_legacy = &(_params->params_legacy);
+ err = _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_LEGACY_MODE);
+
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to reinitialize profile (err %d)\n",
+ __FUNCTION__, err));
+ return err;
+ }
+
+ INIT_LIST_HEAD(¶ms_legacy->ssid_list);
+
+ if (dhd_pno_add_to_ssid_list(dhd, ¶ms_legacy->ssid_list, ssid_list,
+ nssid, ¶ms_legacy->nssid) < 0) {
+ _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_LEGACY_MODE);
+ return BCME_ERROR;
+ }
+
+ DHD_PNO(("%s enter : nssid %d, scan_fr :%d, pno_repeat :%d,"
+ "pno_freq_expo_max: %d, nchan :%d\n", __FUNCTION__,
+ params_legacy->nssid, scan_fr, pno_repeat, pno_freq_expo_max, nchan));
+
+ return dhd_pno_set_legacy_pno(dhd, scan_fr, pno_repeat,
+ pno_freq_expo_max, channel_list, nchan);
+
+}
+
+static int
+dhd_pno_set_legacy_pno(dhd_pub_t *dhd, uint16 scan_fr, int pno_repeat,
+ int pno_freq_expo_max, uint16 *channel_list, int nchan)
+{
+ dhd_pno_params_t *_params;
+ dhd_pno_params_t *_params2;
+ dhd_pno_status_info_t *_pno_state;
+ uint16 _chan_list[WL_NUMCHANNELS];
+ int32 tot_nchan = 0;
+ int err = BCME_OK;
+ int i, nssid;
+ int mode = 0;
+ struct list_head *ssid_list;
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS]);
+ /* If GSCAN is also ON will handle this down below */
+#ifdef GSCAN_SUPPORT
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE &&
+ !(_pno_state->pno_mode & DHD_PNO_GSCAN_MODE))
+#else
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE)
+#endif /* GSCAN_SUPPORT */
+ {
+ DHD_ERROR(("%s : Legacy PNO mode was already started, "
+ "will disable previous one to start new one\n", __FUNCTION__));
+ err = dhd_pno_stop_for_ssid(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to stop legacy PNO (err %d)\n",
+ __FUNCTION__, err));
+ return err;
+ }
+ }
+ _pno_state->pno_mode |= DHD_PNO_LEGACY_MODE;
+ memset(_chan_list, 0, sizeof(_chan_list));
+ tot_nchan = MIN(nchan, WL_NUMCHANNELS);
+ if (tot_nchan > 0 && channel_list) {
+ for (i = 0; i < tot_nchan; i++)
+ _params->params_legacy.chan_list[i] = _chan_list[i] = channel_list[i];
+ }
+#ifdef GSCAN_SUPPORT
+ else {
+ tot_nchan = WL_NUMCHANNELS;
+ err = _dhd_pno_get_channels(dhd, _chan_list, &tot_nchan,
+ (WLC_BAND_2G | WLC_BAND_5G), FALSE);
+ if (err < 0) {
+ tot_nchan = 0;
+ DHD_PNO(("Could not get channel list for PNO SSID\n"));
+ } else {
+ for (i = 0; i < tot_nchan; i++)
+ _params->params_legacy.chan_list[i] = _chan_list[i];
+ }
+ }
+#endif /* GSCAN_SUPPORT */
+
+ if (_pno_state->pno_mode & (DHD_PNO_BATCH_MODE | DHD_PNO_HOTLIST_MODE)) {
+ DHD_PNO(("BATCH SCAN is on progress in firmware\n"));
+ /* retrieve the batching data from firmware into host */
+ dhd_pno_get_for_batch(dhd, NULL, 0, PNO_STATUS_DISABLE);
+ /* store current pno_mode before disabling pno */
+ mode = _pno_state->pno_mode;
+ err = _dhd_pno_enable(dhd, PNO_OFF);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to disable PNO\n", __FUNCTION__));
+ goto exit;
+ }
+ /* restore the previous mode */
+ _pno_state->pno_mode = mode;
+ /* use superset of channel list between two mode */
+ if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ _params2 = &(_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS]);
+ if (_params2->params_batch.nchan > 0 && tot_nchan > 0) {
+ err = _dhd_pno_chan_merge(_chan_list, &tot_nchan,
+ &_params2->params_batch.chan_list[0],
+ _params2->params_batch.nchan,
+ &channel_list[0], tot_nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to merge channel list"
+ " between legacy and batch\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ } else {
+ DHD_PNO(("superset channel will use"
+ " all channels in firmware\n"));
+ }
+ } else if (_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE) {
+ _params2 = &(_pno_state->pno_params_arr[INDEX_OF_HOTLIST_PARAMS]);
+ if (_params2->params_hotlist.nchan > 0 && tot_nchan > 0) {
+ err = _dhd_pno_chan_merge(_chan_list, &tot_nchan,
+ &_params2->params_hotlist.chan_list[0],
+ _params2->params_hotlist.nchan,
+ &channel_list[0], tot_nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to merge channel list"
+ " between legacy and hotlist\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ }
+ }
+ }
+ _params->params_legacy.scan_fr = scan_fr;
+ _params->params_legacy.pno_repeat = pno_repeat;
+ _params->params_legacy.pno_freq_expo_max = pno_freq_expo_max;
+ _params->params_legacy.nchan = tot_nchan;
+ ssid_list = &_params->params_legacy.ssid_list;
+ nssid = _params->params_legacy.nssid;
+
+#ifdef GSCAN_SUPPORT
+ /* dhd_pno_initiate_gscan_request will handle simultaneous Legacy PNO and GSCAN */
+ if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ struct dhd_pno_gscan_params *gscan_params;
+ gscan_params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan;
+ /* ePNO and Legacy PNO do not co-exist */
+ if (gscan_params->epno_cfg.num_epno_ssid) {
+ DHD_PNO(("ePNO and Legacy PNO do not co-exist\n"));
+ err = BCME_EPERM;
+ goto exit;
+ }
+ DHD_PNO(("GSCAN mode is ON! Will restart GSCAN+Legacy PNO\n"));
+ err = dhd_pno_initiate_gscan_request(dhd, 1, 0);
+ goto exit;
+ }
+#endif /* GSCAN_SUPPORT */
+ if ((err = _dhd_pno_set(dhd, _params, DHD_PNO_LEGACY_MODE)) < 0) {
+ DHD_ERROR(("failed to set call pno_set (err %d) in firmware\n", err));
+ goto exit;
+ }
+ if ((err = _dhd_pno_add_ssid(dhd, ssid_list, nssid)) < 0) {
+ DHD_ERROR(("failed to add ssid list(err %d), %d in firmware\n", err, nssid));
+ goto exit;
+ }
+ if (tot_nchan > 0) {
+ if ((err = _dhd_pno_cfg(dhd, _chan_list, tot_nchan)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_cfg (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+ if (_pno_state->pno_status == DHD_PNO_DISABLED) {
+ if ((err = _dhd_pno_enable(dhd, PNO_ON)) < 0)
+ DHD_ERROR(("%s : failed to enable PNO\n", __FUNCTION__));
+ }
+exit:
+ if (err < 0) {
+ _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_LEGACY_MODE);
+ }
+ /* clear mode in case of error */
+ if (err < 0) {
+ int ret = dhd_pno_clean(dhd);
+
+ if (ret < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, ret));
+ } else {
+ _pno_state->pno_mode &= ~DHD_PNO_LEGACY_MODE;
+ }
+ }
+ return err;
+}
+
+int
+dhd_pno_set_for_batch(dhd_pub_t *dhd, struct dhd_pno_batch_params *batch_params)
+{
+ int err = BCME_OK;
+ uint16 _chan_list[WL_NUMCHANNELS];
+ int rem_nchan = 0, tot_nchan = 0;
+ int mode = 0, mscan = 0;
+ dhd_pno_params_t *_params;
+ dhd_pno_params_t *_params2;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ NULL_CHECK(batch_params, "batch_params is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+ _params = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS];
+ if (!(_pno_state->pno_mode & DHD_PNO_BATCH_MODE)) {
+ _pno_state->pno_mode |= DHD_PNO_BATCH_MODE;
+ err = _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_BATCH_MODE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call _dhd_pno_reinitialize_prof\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ } else {
+ /* batch mode is already started */
+ return -EBUSY;
+ }
+ _params->params_batch.scan_fr = batch_params->scan_fr;
+ _params->params_batch.bestn = batch_params->bestn;
+ _params->params_batch.mscan = (batch_params->mscan)?
+ batch_params->mscan : DEFAULT_BATCH_MSCAN;
+ _params->params_batch.nchan = batch_params->nchan;
+ memcpy(_params->params_batch.chan_list, batch_params->chan_list,
+ sizeof(_params->params_batch.chan_list));
+
+ memset(_chan_list, 0, sizeof(_chan_list));
+
+ rem_nchan = ARRAYSIZE(batch_params->chan_list) - batch_params->nchan;
+ if (batch_params->band == WLC_BAND_2G || batch_params->band == WLC_BAND_5G) {
+ /* get a valid channel list based on band B or A */
+ err = _dhd_pno_get_channels(dhd,
+ &_params->params_batch.chan_list[batch_params->nchan],
+ &rem_nchan, batch_params->band, FALSE);
+ if (err < 0) {
+ DHD_ERROR(("%s: failed to get valid channel list(band : %d)\n",
+ __FUNCTION__, batch_params->band));
+ goto exit;
+ }
+ /* now we need to update nchan because rem_chan has valid channel count */
+ _params->params_batch.nchan += rem_nchan;
+ /* need to sort channel list */
+ sort(_params->params_batch.chan_list, _params->params_batch.nchan,
+ sizeof(_params->params_batch.chan_list[0]), _dhd_pno_cmpfunc, NULL);
+ }
+#ifdef PNO_DEBUG
+{
+ DHD_PNO(("Channel list : "));
+ for (i = 0; i < _params->params_batch.nchan; i++) {
+ DHD_PNO(("%d ", _params->params_batch.chan_list[i]));
+ }
+ DHD_PNO(("\n"));
+}
+#endif // endif
+ if (_params->params_batch.nchan) {
+ /* copy the channel list into local array */
+ memcpy(_chan_list, _params->params_batch.chan_list, sizeof(_chan_list));
+ tot_nchan = _params->params_batch.nchan;
+ }
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ DHD_PNO(("PNO SSID is on progress in firmware\n"));
+ /* store current pno_mode before disabling pno */
+ mode = _pno_state->pno_mode;
+ err = _dhd_pno_enable(dhd, PNO_OFF);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to disable PNO\n", __FUNCTION__));
+ goto exit;
+ }
+ /* restore the previous mode */
+ _pno_state->pno_mode = mode;
+ /* Use the superset for channelist between two mode */
+ _params2 = &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS]);
+ if (_params2->params_legacy.nchan > 0 && _params->params_batch.nchan > 0) {
+ err = _dhd_pno_chan_merge(_chan_list, &tot_nchan,
+ &_params2->params_legacy.chan_list[0],
+ _params2->params_legacy.nchan,
+ &_params->params_batch.chan_list[0], _params->params_batch.nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to merge channel list"
+ " between legacy and batch\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ } else {
+ DHD_PNO(("superset channel will use all channels in firmware\n"));
+ }
+ if ((err = _dhd_pno_add_ssid(dhd, &_params2->params_legacy.ssid_list,
+ _params2->params_legacy.nssid)) < 0) {
+ DHD_ERROR(("failed to add ssid list (err %d) in firmware\n", err));
+ goto exit;
+ }
+ }
+ if ((err = _dhd_pno_set(dhd, _params, DHD_PNO_BATCH_MODE)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_set (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ } else {
+ /* we need to return mscan */
+ mscan = err;
+ }
+ if (tot_nchan > 0) {
+ if ((err = _dhd_pno_cfg(dhd, _chan_list, tot_nchan)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_cfg (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+ if (_pno_state->pno_status == DHD_PNO_DISABLED) {
+ if ((err = _dhd_pno_enable(dhd, PNO_ON)) < 0)
+ DHD_ERROR(("%s : failed to enable PNO\n", __FUNCTION__));
+ }
+exit:
+ /* clear mode in case of error */
+ if (err < 0)
+ _pno_state->pno_mode &= ~DHD_PNO_BATCH_MODE;
+ else {
+ /* return #max scan firmware can do */
+ err = mscan;
+ }
+ return err;
+}
+
+#ifdef GSCAN_SUPPORT
+
+static int
+dhd_set_epno_params(dhd_pub_t *dhd, wl_ssid_ext_params_t *params, bool set)
+{
+ wl_pfn_ssid_cfg_t cfg;
+ int err;
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+ memset(&cfg, 0, sizeof(wl_pfn_ssid_cfg_t));
+ cfg.version = WL_PFN_SSID_CFG_VERSION;
+
+ /* If asked to clear params (set == FALSE) just set the CLEAR bit */
+ if (!set)
+ cfg.flags |= WL_PFN_SSID_CFG_CLEAR;
+ else if (params)
+ memcpy(&cfg.params, params, sizeof(wl_ssid_ext_params_t));
+ err = dhd_iovar(dhd, 0, "pfn_ssid_cfg", (char *)&cfg,
+ sizeof(wl_pfn_ssid_cfg_t), NULL, 0, TRUE);
+ if (err != BCME_OK) {
+ DHD_ERROR(("%s : Failed to execute pfn_ssid_cfg %d\n", __FUNCTION__, err));
+ }
+ return err;
+}
+
+int
+dhd_pno_flush_fw_epno(dhd_pub_t *dhd)
+{
+ int err;
+
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+
+ err = dhd_set_epno_params(dhd, NULL, FALSE);
+ if (err < 0) {
+ DHD_ERROR(("failed to set ePNO params %d\n", err));
+ return err;
+ }
+ err = _dhd_pno_flush_ssid(dhd);
+ return err;
+}
+
+int
+dhd_pno_set_epno(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ dhd_pno_params_t *params;
+ dhd_pno_status_info_t *_pno_state;
+
+ struct dhd_pno_gscan_params *gscan_params;
+
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ gscan_params = ¶ms->params_gscan;
+
+ if (gscan_params->epno_cfg.num_epno_ssid) {
+ DHD_PNO(("num_epno_ssid %d\n", gscan_params->epno_cfg.num_epno_ssid));
+ if ((err = _dhd_pno_add_ssid(dhd, &gscan_params->epno_cfg.epno_ssid_list,
+ gscan_params->epno_cfg.num_epno_ssid)) < 0) {
+ DHD_ERROR(("failed to add ssid list (err %d) to firmware\n", err));
+ return err;
+ }
+ err = dhd_set_epno_params(dhd, &gscan_params->epno_cfg.params, TRUE);
+ if (err < 0) {
+ DHD_ERROR(("failed to set ePNO params %d\n", err));
+ }
+ }
+ return err;
+}
+
+static void
+dhd_pno_reset_cfg_gscan(dhd_pub_t *dhd, dhd_pno_params_t *_params,
+ dhd_pno_status_info_t *_pno_state, uint8 flags)
+{
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (flags & GSCAN_FLUSH_SCAN_CFG) {
+ _params->params_gscan.bestn = 0;
+ _params->params_gscan.mscan = 0;
+ _params->params_gscan.buffer_threshold = GSCAN_BATCH_NO_THR_SET;
+ _params->params_gscan.scan_fr = 0;
+ _params->params_gscan.send_all_results_flag = 0;
+ memset(_params->params_gscan.channel_bucket, 0,
+ _params->params_gscan.nchannel_buckets *
+ sizeof(struct dhd_pno_gscan_channel_bucket));
+ _params->params_gscan.nchannel_buckets = 0;
+ DHD_PNO(("Flush Scan config\n"));
+ }
+ if (flags & GSCAN_FLUSH_HOTLIST_CFG) {
+ struct dhd_pno_bssid *iter, *next;
+ if (_params->params_gscan.nbssid_hotlist > 0) {
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ &_params->params_gscan.hotlist_bssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ list_del(&iter->list);
+ MFREE(dhd->osh, iter, sizeof(struct dhd_pno_bssid));
+ }
+ }
+ _params->params_gscan.nbssid_hotlist = 0;
+ DHD_PNO(("Flush Hotlist Config\n"));
+ }
+ if (flags & GSCAN_FLUSH_EPNO_CFG) {
+ dhd_pno_ssid_t *iter, *next;
+ dhd_epno_ssid_cfg_t *epno_cfg = &_params->params_gscan.epno_cfg;
+
+ if (epno_cfg->num_epno_ssid > 0) {
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ &epno_cfg->epno_ssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ list_del(&iter->list);
+ MFREE(dhd->osh, iter, sizeof(struct dhd_pno_bssid));
+ }
+ epno_cfg->num_epno_ssid = 0;
+ }
+ memset(&epno_cfg->params, 0, sizeof(wl_ssid_ext_params_t));
+ DHD_PNO(("Flushed ePNO Config\n"));
+ }
+
+ return;
+}
+
+int
+dhd_pno_lock_batch_results(dhd_pub_t *dhd)
+{
+ dhd_pno_status_info_t *_pno_state;
+ int err = BCME_OK;
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ mutex_lock(&_pno_state->pno_mutex);
+ return err;
+}
+
+void
+dhd_pno_unlock_batch_results(dhd_pub_t *dhd)
+{
+ dhd_pno_status_info_t *_pno_state;
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ mutex_unlock(&_pno_state->pno_mutex);
+ return;
+}
+
+int
+dhd_wait_batch_results_complete(dhd_pub_t *dhd)
+{
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ int err = BCME_OK;
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+
+ /* Has the workqueue finished its job already?? */
+ if (_params->params_gscan.get_batch_flag == GSCAN_BATCH_RETRIEVAL_IN_PROGRESS) {
+ DHD_PNO(("%s: Waiting to complete retrieval..\n", __FUNCTION__));
+ wait_event_interruptible_timeout(_pno_state->batch_get_wait,
+ is_batch_retrieval_complete(&_params->params_gscan),
+ msecs_to_jiffies(GSCAN_BATCH_GET_MAX_WAIT));
+ } else { /* GSCAN_BATCH_RETRIEVAL_COMPLETE */
+ gscan_results_cache_t *iter;
+ uint16 num_results = 0;
+
+ mutex_lock(&_pno_state->pno_mutex);
+ iter = _params->params_gscan.gscan_batch_cache;
+ while (iter) {
+ num_results += iter->tot_count - iter->tot_consumed;
+ iter = iter->next;
+ }
+ mutex_unlock(&_pno_state->pno_mutex);
+
+ /* All results consumed/No results cached??
+ * Get fresh results from FW
+ */
+ if ((_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) && !num_results) {
+ DHD_PNO(("%s: No results cached, getting from FW..\n", __FUNCTION__));
+ err = dhd_retreive_batch_scan_results(dhd);
+ if (err == BCME_OK) {
+ wait_event_interruptible_timeout(_pno_state->batch_get_wait,
+ is_batch_retrieval_complete(&_params->params_gscan),
+ msecs_to_jiffies(GSCAN_BATCH_GET_MAX_WAIT));
+ }
+ }
+ }
+ DHD_PNO(("%s: Wait complete\n", __FUNCTION__));
+ return err;
+}
+
+int
+dhd_pno_set_cfg_gscan(dhd_pub_t *dhd, dhd_pno_gscan_cmd_cfg_t type,
+ void *buf, bool flush)
+{
+ int err = BCME_OK;
+ dhd_pno_params_t *_params;
+ int i;
+ dhd_pno_status_info_t *_pno_state;
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ mutex_lock(&_pno_state->pno_mutex);
+
+ switch (type) {
+ case DHD_PNO_BATCH_SCAN_CFG_ID:
+ {
+ gscan_batch_params_t *ptr = (gscan_batch_params_t *)buf;
+ _params->params_gscan.bestn = ptr->bestn;
+ _params->params_gscan.mscan = ptr->mscan;
+ _params->params_gscan.buffer_threshold = ptr->buffer_threshold;
+ }
+ break;
+ case DHD_PNO_GEOFENCE_SCAN_CFG_ID:
+ {
+ gscan_hotlist_scan_params_t *ptr = (gscan_hotlist_scan_params_t *)buf;
+ struct dhd_pno_bssid *_pno_bssid;
+ struct bssid_t *bssid_ptr;
+ int8 flags;
+
+ if (flush) {
+ dhd_pno_reset_cfg_gscan(dhd, _params, _pno_state,
+ GSCAN_FLUSH_HOTLIST_CFG);
+ }
+
+ if (!ptr->nbssid) {
+ break;
+ }
+ if (!_params->params_gscan.nbssid_hotlist) {
+ INIT_LIST_HEAD(&_params->params_gscan.hotlist_bssid_list);
+ }
+
+ if ((_params->params_gscan.nbssid_hotlist +
+ ptr->nbssid) > PFN_SWC_MAX_NUM_APS) {
+ DHD_ERROR(("Excessive number of hotlist APs programmed %d\n",
+ (_params->params_gscan.nbssid_hotlist +
+ ptr->nbssid)));
+ err = BCME_RANGE;
+ goto exit;
+ }
+
+ for (i = 0, bssid_ptr = ptr->bssid; i < ptr->nbssid; i++, bssid_ptr++) {
+ _pno_bssid = (struct dhd_pno_bssid *)MALLOCZ(dhd->osh,
+ sizeof(struct dhd_pno_bssid));
+ if (!_pno_bssid) {
+ DHD_ERROR(("_pno_bssid is NULL, cannot kalloc %zd bytes",
+ sizeof(struct dhd_pno_bssid)));
+ err = BCME_NOMEM;
+ goto exit;
+ }
+ memcpy(&_pno_bssid->macaddr, &bssid_ptr->macaddr, ETHER_ADDR_LEN);
+
+ flags = (int8) bssid_ptr->rssi_reporting_threshold;
+ _pno_bssid->flags = flags << WL_PFN_RSSI_SHIFT;
+ list_add_tail(&_pno_bssid->list,
+ &_params->params_gscan.hotlist_bssid_list);
+ }
+
+ _params->params_gscan.nbssid_hotlist += ptr->nbssid;
+ _params->params_gscan.lost_ap_window = ptr->lost_ap_window;
+ }
+ break;
+ case DHD_PNO_SCAN_CFG_ID:
+ {
+ int k;
+ uint16 band;
+ gscan_scan_params_t *ptr = (gscan_scan_params_t *)buf;
+ struct dhd_pno_gscan_channel_bucket *ch_bucket;
+
+ if (ptr->nchannel_buckets <= GSCAN_MAX_CH_BUCKETS) {
+ _params->params_gscan.nchannel_buckets = ptr->nchannel_buckets;
+
+ memcpy(_params->params_gscan.channel_bucket, ptr->channel_bucket,
+ _params->params_gscan.nchannel_buckets *
+ sizeof(struct dhd_pno_gscan_channel_bucket));
+ ch_bucket = _params->params_gscan.channel_bucket;
+
+ for (i = 0; i < ptr->nchannel_buckets; i++) {
+ band = ch_bucket[i].band;
+ for (k = 0; k < ptr->channel_bucket[i].num_channels; k++) {
+ ch_bucket[i].chan_list[k] =
+ wf_mhz2channel(ptr->channel_bucket[i].chan_list[k],
+ 0);
+ }
+ ch_bucket[i].band = 0;
+ /* HAL and DHD use different bits for 2.4G and
+ * 5G in bitmap. Hence translating it here...
+ */
+ if (band & GSCAN_BG_BAND_MASK) {
+ ch_bucket[i].band |= WLC_BAND_2G;
+ }
+ if (band & GSCAN_A_BAND_MASK) {
+ ch_bucket[i].band |= WLC_BAND_5G;
+ }
+ if (band & GSCAN_DFS_MASK) {
+ ch_bucket[i].band |= GSCAN_DFS_MASK;
+ }
+ DHD_PNO(("band %d report_flag %d\n", ch_bucket[i].band,
+ ch_bucket[i].report_flag));
+ }
+
+ for (i = 0; i < ptr->nchannel_buckets; i++) {
+ ch_bucket[i].bucket_freq_multiple =
+ ch_bucket[i].bucket_freq_multiple/ptr->scan_fr;
+ ch_bucket[i].bucket_max_multiple =
+ ch_bucket[i].bucket_max_multiple/ptr->scan_fr;
+ DHD_PNO(("mult %d max_mult %d\n",
+ ch_bucket[i].bucket_freq_multiple,
+ ch_bucket[i].bucket_max_multiple));
+ }
+ _params->params_gscan.scan_fr = ptr->scan_fr;
+
+ DHD_PNO(("num_buckets %d scan_fr %d\n", ptr->nchannel_buckets,
+ _params->params_gscan.scan_fr));
+ } else {
+ err = BCME_BADARG;
+ }
+ }
+ break;
+ case DHD_PNO_EPNO_CFG_ID:
+ if (flush) {
+ dhd_pno_reset_cfg_gscan(dhd, _params, _pno_state,
+ GSCAN_FLUSH_EPNO_CFG);
+ }
+ break;
+ case DHD_PNO_EPNO_PARAMS_ID:
+ if (flush) {
+ memset(&_params->params_gscan.epno_cfg.params, 0,
+ sizeof(wl_ssid_ext_params_t));
+ }
+ if (buf) {
+ memcpy(&_params->params_gscan.epno_cfg.params, buf,
+ sizeof(wl_ssid_ext_params_t));
+ }
+ break;
+ default:
+ err = BCME_BADARG;
+ DHD_ERROR(("%s: Unrecognized cmd type - %d\n", __FUNCTION__, type));
+ break;
+ }
+exit:
+ mutex_unlock(&_pno_state->pno_mutex);
+ return err;
+
+}
+
+static bool
+validate_gscan_params(struct dhd_pno_gscan_params *gscan_params)
+{
+ unsigned int i, k;
+
+ if (!gscan_params->scan_fr || !gscan_params->nchannel_buckets) {
+ DHD_ERROR(("%s : Scan freq - %d or number of channel buckets - %d is empty\n",
+ __FUNCTION__, gscan_params->scan_fr, gscan_params->nchannel_buckets));
+ return false;
+ }
+
+ for (i = 0; i < gscan_params->nchannel_buckets; i++) {
+ if (!gscan_params->channel_bucket[i].band) {
+ for (k = 0; k < gscan_params->channel_bucket[i].num_channels; k++) {
+ if (gscan_params->channel_bucket[i].chan_list[k] > CHANNEL_5G_MAX) {
+ DHD_ERROR(("%s : Unknown channel %d\n", __FUNCTION__,
+ gscan_params->channel_bucket[i].chan_list[k]));
+ return false;
+ }
+ }
+ }
+ }
+
+ return true;
+}
+
+static int
+dhd_pno_set_for_gscan(dhd_pub_t *dhd, struct dhd_pno_gscan_params *gscan_params)
+{
+ int err = BCME_OK;
+ int mode, i = 0;
+ uint16 _chan_list[WL_NUMCHANNELS];
+ int tot_nchan = 0;
+ int num_buckets_to_fw, tot_num_buckets, gscan_param_size;
+ dhd_pno_status_info_t *_pno_state = PNO_GET_PNOSTATE(dhd);
+ wl_pfn_gscan_ch_bucket_cfg_t *ch_bucket = NULL;
+ wl_pfn_gscan_cfg_t *pfn_gscan_cfg_t = NULL;
+ wl_pfn_bssid_t *p_pfn_bssid = NULL;
+ dhd_pno_params_t *_params;
+ bool fw_flushed = FALSE;
+
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ NULL_CHECK(gscan_params, "gscan_params is NULL", err);
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+
+ if (!validate_gscan_params(gscan_params)) {
+ DHD_ERROR(("%s : Cannot start gscan - bad params\n", __FUNCTION__));
+ err = BCME_BADARG;
+ goto exit;
+ }
+
+ if (!(ch_bucket = dhd_pno_gscan_create_channel_list(dhd, _pno_state,
+ _chan_list, &tot_num_buckets, &num_buckets_to_fw))) {
+ goto exit;
+ }
+
+ mutex_lock(&_pno_state->pno_mutex);
+ /* Clear any pre-existing results in our cache
+ * not consumed by framework
+ */
+ dhd_gscan_clear_all_batch_results(dhd);
+ if (_pno_state->pno_mode & (DHD_PNO_GSCAN_MODE | DHD_PNO_LEGACY_MODE)) {
+ /* store current pno_mode before disabling pno */
+ mode = _pno_state->pno_mode;
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to disable PNO\n", __FUNCTION__));
+ mutex_unlock(&_pno_state->pno_mutex);
+ goto exit;
+ }
+ fw_flushed = TRUE;
+ /* restore the previous mode */
+ _pno_state->pno_mode = mode;
+ }
+ _pno_state->pno_mode |= DHD_PNO_GSCAN_MODE;
+ mutex_unlock(&_pno_state->pno_mutex);
+
+ if ((_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) &&
+ !gscan_params->epno_cfg.num_epno_ssid) {
+ struct dhd_pno_legacy_params *params_legacy;
+ params_legacy =
+ &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS].params_legacy);
+
+ if ((err = _dhd_pno_add_ssid(dhd, ¶ms_legacy->ssid_list,
+ params_legacy->nssid)) < 0) {
+ DHD_ERROR(("failed to add ssid list (err %d) in firmware\n", err));
+ goto exit;
+ }
+ }
+
+ if ((err = _dhd_pno_set(dhd, _params, DHD_PNO_GSCAN_MODE)) < 0) {
+ DHD_ERROR(("failed to set call pno_set (err %d) in firmware\n", err));
+ goto exit;
+ }
+
+ gscan_param_size = sizeof(wl_pfn_gscan_cfg_t) +
+ (num_buckets_to_fw - 1) * sizeof(wl_pfn_gscan_ch_bucket_cfg_t);
+ pfn_gscan_cfg_t = (wl_pfn_gscan_cfg_t *) MALLOCZ(dhd->osh, gscan_param_size);
+
+ if (!pfn_gscan_cfg_t) {
+ DHD_ERROR(("%s: failed to malloc memory of size %d\n",
+ __FUNCTION__, gscan_param_size));
+ err = BCME_NOMEM;
+ goto exit;
+ }
+
+ pfn_gscan_cfg_t->version = WL_GSCAN_CFG_VERSION;
+ if (gscan_params->mscan)
+ pfn_gscan_cfg_t->buffer_threshold = gscan_params->buffer_threshold;
+ else
+ pfn_gscan_cfg_t->buffer_threshold = GSCAN_BATCH_NO_THR_SET;
+
+ pfn_gscan_cfg_t->flags =
+ (gscan_params->send_all_results_flag & GSCAN_SEND_ALL_RESULTS_MASK);
+ pfn_gscan_cfg_t->flags |= GSCAN_ALL_BUCKETS_IN_FIRST_SCAN_MASK;
+ pfn_gscan_cfg_t->count_of_channel_buckets = num_buckets_to_fw;
+ pfn_gscan_cfg_t->retry_threshold = GSCAN_RETRY_THRESHOLD;
+
+ for (i = 0; i < num_buckets_to_fw; i++) {
+ pfn_gscan_cfg_t->channel_bucket[i].bucket_end_index =
+ ch_bucket[i].bucket_end_index;
+ pfn_gscan_cfg_t->channel_bucket[i].bucket_freq_multiple =
+ ch_bucket[i].bucket_freq_multiple;
+ pfn_gscan_cfg_t->channel_bucket[i].max_freq_multiple =
+ ch_bucket[i].max_freq_multiple;
+ pfn_gscan_cfg_t->channel_bucket[i].repeat =
+ ch_bucket[i].repeat;
+ pfn_gscan_cfg_t->channel_bucket[i].flag =
+ ch_bucket[i].flag;
+ }
+
+ tot_nchan = pfn_gscan_cfg_t->channel_bucket[num_buckets_to_fw - 1].bucket_end_index + 1;
+ DHD_PNO(("Total channel num %d total ch_buckets %d ch_buckets_to_fw %d \n", tot_nchan,
+ tot_num_buckets, num_buckets_to_fw));
+
+ if ((err = _dhd_pno_cfg(dhd, _chan_list, tot_nchan)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_cfg (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+
+ if ((err = _dhd_pno_gscan_cfg(dhd, pfn_gscan_cfg_t, gscan_param_size)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_gscan_cfg (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ /* Reprogram ePNO cfg from dhd cache if FW has been flushed */
+ if (fw_flushed) {
+ dhd_pno_set_epno(dhd);
+ }
+
+ if (gscan_params->nbssid_hotlist) {
+ struct dhd_pno_bssid *iter, *next;
+ wl_pfn_bssid_t *ptr;
+ p_pfn_bssid = (wl_pfn_bssid_t *)MALLOCZ(dhd->osh,
+ sizeof(wl_pfn_bssid_t) * gscan_params->nbssid_hotlist);
+ if (p_pfn_bssid == NULL) {
+ DHD_ERROR(("%s : failed to allocate wl_pfn_bssid_t array"
+ " (count: %d)",
+ __FUNCTION__, _params->params_hotlist.nbssid));
+ err = BCME_NOMEM;
+ _pno_state->pno_mode &= ~DHD_PNO_HOTLIST_MODE;
+ goto exit;
+ }
+ ptr = p_pfn_bssid;
+ /* convert dhd_pno_bssid to wl_pfn_bssid */
+ DHD_PNO(("nhotlist %d\n", gscan_params->nbssid_hotlist));
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ &gscan_params->hotlist_bssid_list, list) {
+ char buffer_hotlist[64];
+ GCC_DIAGNOSTIC_POP();
+ memcpy(&ptr->macaddr,
+ &iter->macaddr, ETHER_ADDR_LEN);
+ BCM_REFERENCE(buffer_hotlist);
+ DHD_PNO(("%s\n", bcm_ether_ntoa(&ptr->macaddr, buffer_hotlist)));
+ ptr->flags = iter->flags;
+ ptr++;
+ }
+
+ err = _dhd_pno_add_bssid(dhd, p_pfn_bssid, gscan_params->nbssid_hotlist);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call _dhd_pno_add_bssid(err :%d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+
+ if ((err = _dhd_pno_enable(dhd, PNO_ON)) < 0) {
+ DHD_ERROR(("%s : failed to enable PNO err %d\n", __FUNCTION__, err));
+ }
+
+exit:
+ /* clear mode in case of error */
+ if (err < 0) {
+ int ret = dhd_pno_clean(dhd);
+
+ if (ret < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, ret));
+ } else {
+ _pno_state->pno_mode &= ~DHD_PNO_GSCAN_MODE;
+ }
+ }
+ MFREE(dhd->osh, p_pfn_bssid,
+ sizeof(wl_pfn_bssid_t) * gscan_params->nbssid_hotlist);
+ if (pfn_gscan_cfg_t) {
+ MFREE(dhd->osh, pfn_gscan_cfg_t, gscan_param_size);
+ }
+ if (ch_bucket) {
+ MFREE(dhd->osh, ch_bucket,
+ (tot_num_buckets * sizeof(wl_pfn_gscan_ch_bucket_cfg_t)));
+ }
+ return err;
+
+}
+
+static wl_pfn_gscan_ch_bucket_cfg_t *
+dhd_pno_gscan_create_channel_list(dhd_pub_t *dhd,
+ dhd_pno_status_info_t *_pno_state,
+ uint16 *chan_list,
+ uint32 *num_buckets,
+ uint32 *num_buckets_to_fw)
+{
+ int i, num_channels, err, nchan = WL_NUMCHANNELS, ch_cnt;
+ uint16 *ptr = chan_list, max;
+ wl_pfn_gscan_ch_bucket_cfg_t *ch_bucket;
+ dhd_pno_params_t *_params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ bool is_pno_legacy_running;
+ dhd_pno_gscan_channel_bucket_t *gscan_buckets = _params->params_gscan.channel_bucket;
+
+ /* ePNO and Legacy PNO do not co-exist */
+ is_pno_legacy_running = ((_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) &&
+ !_params->params_gscan.epno_cfg.num_epno_ssid);
+
+ if (is_pno_legacy_running)
+ *num_buckets = _params->params_gscan.nchannel_buckets + 1;
+ else
+ *num_buckets = _params->params_gscan.nchannel_buckets;
+
+ *num_buckets_to_fw = 0;
+
+ ch_bucket = (wl_pfn_gscan_ch_bucket_cfg_t *) MALLOC(dhd->osh,
+ ((*num_buckets) * sizeof(wl_pfn_gscan_ch_bucket_cfg_t)));
+
+ if (!ch_bucket) {
+ DHD_ERROR(("%s: failed to malloc memory of size %zd\n",
+ __FUNCTION__, (*num_buckets) * sizeof(wl_pfn_gscan_ch_bucket_cfg_t)));
+ *num_buckets_to_fw = *num_buckets = 0;
+ return NULL;
+ }
+
+ max = gscan_buckets[0].bucket_freq_multiple;
+ num_channels = 0;
+ /* nchan is the remaining space left in chan_list buffer
+ * So any overflow list of channels is ignored
+ */
+ for (i = 0; i < _params->params_gscan.nchannel_buckets && nchan; i++) {
+ if (!gscan_buckets[i].band) {
+ ch_cnt = MIN(gscan_buckets[i].num_channels, (uint8)nchan);
+ num_channels += ch_cnt;
+ memcpy(ptr, gscan_buckets[i].chan_list,
+ ch_cnt * sizeof(uint16));
+ ptr = ptr + ch_cnt;
+ } else {
+ /* get a valid channel list based on band B or A */
+ err = _dhd_pno_get_channels(dhd, ptr,
+ &nchan, (gscan_buckets[i].band & GSCAN_ABG_BAND_MASK),
+ !(gscan_buckets[i].band & GSCAN_DFS_MASK));
+
+ if (err < 0) {
+ DHD_ERROR(("%s: failed to get valid channel list(band : %d)\n",
+ __FUNCTION__, gscan_buckets[i].band));
+ MFREE(dhd->osh, ch_bucket,
+ ((*num_buckets) * sizeof(wl_pfn_gscan_ch_bucket_cfg_t)));
+ *num_buckets_to_fw = *num_buckets = 0;
+ return NULL;
+ }
+
+ num_channels += nchan;
+ ptr = ptr + nchan;
+ }
+
+ ch_bucket[i].bucket_end_index = num_channels - 1;
+ ch_bucket[i].bucket_freq_multiple = gscan_buckets[i].bucket_freq_multiple;
+ ch_bucket[i].repeat = gscan_buckets[i].repeat;
+ ch_bucket[i].max_freq_multiple = gscan_buckets[i].bucket_max_multiple;
+ ch_bucket[i].flag = gscan_buckets[i].report_flag;
+ /* HAL and FW interpretations are opposite for this bit */
+ ch_bucket[i].flag ^= DHD_PNO_REPORT_NO_BATCH;
+ if (max < gscan_buckets[i].bucket_freq_multiple)
+ max = gscan_buckets[i].bucket_freq_multiple;
+ nchan = WL_NUMCHANNELS - num_channels;
+ *num_buckets_to_fw = *num_buckets_to_fw + 1;
+ DHD_PNO(("end_idx %d freq_mult - %d\n",
+ ch_bucket[i].bucket_end_index, ch_bucket[i].bucket_freq_multiple));
+ }
+
+ _params->params_gscan.max_ch_bucket_freq = max;
+ /* Legacy PNO maybe running, which means we need to create a legacy PNO bucket
+ * Get GCF of Legacy PNO and Gscan scanfreq
+ */
+ if (is_pno_legacy_running) {
+ dhd_pno_params_t *_params1 = &_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS];
+ uint16 *legacy_chan_list = _params1->params_legacy.chan_list;
+ uint16 common_freq;
+ uint32 legacy_bucket_idx = _params->params_gscan.nchannel_buckets;
+ /* If no space is left then only gscan buckets will be sent to FW */
+ if (nchan) {
+ common_freq = gcd(_params->params_gscan.scan_fr,
+ _params1->params_legacy.scan_fr);
+ max = gscan_buckets[0].bucket_freq_multiple;
+ /* GSCAN buckets */
+ for (i = 0; i < _params->params_gscan.nchannel_buckets; i++) {
+ ch_bucket[i].bucket_freq_multiple *= _params->params_gscan.scan_fr;
+ ch_bucket[i].bucket_freq_multiple /= common_freq;
+ if (max < gscan_buckets[i].bucket_freq_multiple)
+ max = gscan_buckets[i].bucket_freq_multiple;
+ }
+ /* Legacy PNO bucket */
+ ch_bucket[legacy_bucket_idx].bucket_freq_multiple =
+ _params1->params_legacy.scan_fr;
+ ch_bucket[legacy_bucket_idx].bucket_freq_multiple /=
+ common_freq;
+ _params->params_gscan.max_ch_bucket_freq = MAX(max,
+ ch_bucket[legacy_bucket_idx].bucket_freq_multiple);
+ ch_bucket[legacy_bucket_idx].flag = CH_BUCKET_REPORT_REGULAR;
+ /* Now add channels to the legacy scan bucket */
+ for (i = 0; i < _params1->params_legacy.nchan && nchan; i++, nchan--) {
+ ptr[i] = legacy_chan_list[i];
+ num_channels++;
+ }
+ ch_bucket[legacy_bucket_idx].bucket_end_index = num_channels - 1;
+ *num_buckets_to_fw = *num_buckets_to_fw + 1;
+ DHD_PNO(("end_idx %d freq_mult - %d\n",
+ ch_bucket[legacy_bucket_idx].bucket_end_index,
+ ch_bucket[legacy_bucket_idx].bucket_freq_multiple));
+ }
+ }
+ return ch_bucket;
+}
+
+static int
+dhd_pno_stop_for_gscan(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ int mode;
+ dhd_pno_status_info_t *_pno_state;
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n",
+ __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+
+ if (!(_pno_state->pno_mode & DHD_PNO_GSCAN_MODE)) {
+ DHD_ERROR(("%s : GSCAN is not enabled\n", __FUNCTION__));
+ goto exit;
+ }
+ if (_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan.mscan) {
+ /* retrieve the batching data from firmware into host */
+ err = dhd_wait_batch_results_complete(dhd);
+ if (err != BCME_OK)
+ goto exit;
+ }
+ mutex_lock(&_pno_state->pno_mutex);
+ mode = _pno_state->pno_mode & ~DHD_PNO_GSCAN_MODE;
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ mutex_unlock(&_pno_state->pno_mutex);
+ return err;
+ }
+ _pno_state->pno_mode = mode;
+ mutex_unlock(&_pno_state->pno_mutex);
+
+ /* Reprogram Legacy PNO if it was running */
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ struct dhd_pno_legacy_params *params_legacy;
+ uint16 chan_list[WL_NUMCHANNELS];
+
+ params_legacy = &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS].params_legacy);
+ _pno_state->pno_mode &= ~DHD_PNO_LEGACY_MODE;
+
+ DHD_PNO(("Restarting Legacy PNO SSID scan...\n"));
+ memcpy(chan_list, params_legacy->chan_list,
+ (params_legacy->nchan * sizeof(uint16)));
+ err = dhd_pno_set_legacy_pno(dhd, params_legacy->scan_fr,
+ params_legacy->pno_repeat, params_legacy->pno_freq_expo_max,
+ chan_list, params_legacy->nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to restart legacy PNO scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+
+ }
+
+exit:
+ return err;
+}
+
+int
+dhd_pno_initiate_gscan_request(dhd_pub_t *dhd, bool run, bool flush)
+{
+ int err = BCME_OK;
+ dhd_pno_params_t *params;
+ dhd_pno_status_info_t *_pno_state;
+ struct dhd_pno_gscan_params *gscan_params;
+
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ DHD_PNO(("%s enter - run %d flush %d\n", __FUNCTION__, run, flush));
+
+ params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ gscan_params = ¶ms->params_gscan;
+
+ if (run) {
+ err = dhd_pno_set_for_gscan(dhd, gscan_params);
+ } else {
+ if (flush) {
+ mutex_lock(&_pno_state->pno_mutex);
+ dhd_pno_reset_cfg_gscan(dhd, params, _pno_state, GSCAN_FLUSH_ALL_CFG);
+ mutex_unlock(&_pno_state->pno_mutex);
+ }
+ /* Need to stop all gscan */
+ err = dhd_pno_stop_for_gscan(dhd);
+ }
+
+ return err;
+}
+
+int
+dhd_pno_enable_full_scan_result(dhd_pub_t *dhd, bool real_time_flag)
+{
+ int err = BCME_OK;
+ dhd_pno_params_t *params;
+ dhd_pno_status_info_t *_pno_state;
+ struct dhd_pno_gscan_params *gscan_params;
+ uint8 old_flag;
+
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+
+ params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ gscan_params = ¶ms->params_gscan;
+
+ mutex_lock(&_pno_state->pno_mutex);
+
+ old_flag = gscan_params->send_all_results_flag;
+ gscan_params->send_all_results_flag = (uint8) real_time_flag;
+ if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ if (old_flag != gscan_params->send_all_results_flag) {
+ wl_pfn_gscan_cfg_t gscan_cfg;
+
+ gscan_cfg.version = WL_GSCAN_CFG_VERSION;
+ gscan_cfg.flags = (gscan_params->send_all_results_flag &
+ GSCAN_SEND_ALL_RESULTS_MASK);
+ gscan_cfg.flags |= GSCAN_CFG_FLAGS_ONLY_MASK;
+
+ if ((err = _dhd_pno_gscan_cfg(dhd, &gscan_cfg,
+ sizeof(wl_pfn_gscan_cfg_t))) < 0) {
+ DHD_ERROR(("%s : pno_gscan_cfg failed (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit_mutex_unlock;
+ }
+ } else {
+ DHD_PNO(("No change in flag - %d\n", old_flag));
+ }
+ } else {
+ DHD_PNO(("Gscan not started\n"));
+ }
+exit_mutex_unlock:
+ mutex_unlock(&_pno_state->pno_mutex);
+exit:
+ return err;
+}
+
+/* Cleanup any consumed results
+ * Return TRUE if all results consumed else FALSE
+ */
+int dhd_gscan_batch_cache_cleanup(dhd_pub_t *dhd)
+{
+ int ret = 0;
+ dhd_pno_params_t *params;
+ struct dhd_pno_gscan_params *gscan_params;
+ dhd_pno_status_info_t *_pno_state;
+ gscan_results_cache_t *iter, *tmp;
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ gscan_params = ¶ms->params_gscan;
+ iter = gscan_params->gscan_batch_cache;
+
+ while (iter) {
+ if (iter->tot_consumed == iter->tot_count) {
+ tmp = iter->next;
+ MFREE(dhd->osh, iter,
+ ((iter->tot_count - 1) * sizeof(wifi_gscan_result_t))
+ + sizeof(gscan_results_cache_t));
+ iter = tmp;
+ } else
+ break;
+ }
+ gscan_params->gscan_batch_cache = iter;
+ ret = (iter == NULL);
+ return ret;
+}
+
+static int
+_dhd_pno_get_gscan_batch_from_fw(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ uint32 timestamp = 0, ts = 0, i, j, timediff;
+ dhd_pno_params_t *params;
+ dhd_pno_status_info_t *_pno_state;
+ wl_pfn_lnet_info_v1_t *plnetinfo;
+ wl_pfn_lnet_info_v2_t *plnetinfo_v2;
+ struct dhd_pno_gscan_params *gscan_params;
+ wl_pfn_lscanresults_v1_t *plbestnet_v1 = NULL;
+ wl_pfn_lscanresults_v2_t *plbestnet_v2 = NULL;
+ gscan_results_cache_t *iter, *tail;
+ wifi_gscan_result_t *result;
+ uint8 *nAPs_per_scan = NULL;
+ uint8 num_scans_in_cur_iter;
+ uint16 count;
+ uint16 fwcount;
+ uint16 fwstatus = PFN_INCOMPLETE;
+ struct osl_timespec tm_spec;
+
+ /* Static asserts in _dhd_pno_get_for_batch() below guarantee the v1 and v2
+ * net_info and subnet_info structures are compatible in size and SSID offset,
+ * allowing v1 to be safely used in the code below except for lscanresults
+ * fields themselves (status, count, offset to netinfo).
+ */
+
+ NULL_CHECK(dhd, "dhd is NULL\n", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+ if (!(_pno_state->pno_mode & DHD_PNO_GSCAN_MODE)) {
+ DHD_ERROR(("%s: GSCAN is not enabled\n", __FUNCTION__));
+ goto exit;
+ }
+ gscan_params = ¶ms->params_gscan;
+ nAPs_per_scan = (uint8 *) MALLOC(dhd->osh, gscan_params->mscan);
+
+ if (!nAPs_per_scan) {
+ DHD_ERROR(("%s :Out of memory!! Cant malloc %d bytes\n", __FUNCTION__,
+ gscan_params->mscan));
+ err = BCME_NOMEM;
+ goto exit;
+ }
+
+ plbestnet_v1 = (wl_pfn_lscanresults_v1_t *)MALLOC(dhd->osh, PNO_BESTNET_LEN);
+ if (!plbestnet_v1) {
+ DHD_ERROR(("%s :Out of memory!! Cant malloc %d bytes\n", __FUNCTION__,
+ (int)PNO_BESTNET_LEN));
+ err = BCME_NOMEM;
+ goto exit;
+ }
+ plbestnet_v2 = (wl_pfn_lscanresults_v2_t *)plbestnet_v1;
+
+ mutex_lock(&_pno_state->pno_mutex);
+
+ dhd_gscan_clear_all_batch_results(dhd);
+
+ if (!(_pno_state->pno_mode & DHD_PNO_GSCAN_MODE)) {
+ DHD_ERROR(("%s : GSCAN is not enabled\n", __FUNCTION__));
+ goto exit_mutex_unlock;
+ }
+
+ timediff = gscan_params->scan_fr * 1000;
+ timediff = timediff >> 1;
+
+ /* Ok, now lets start getting results from the FW */
+ tail = gscan_params->gscan_batch_cache;
+ do {
+ err = dhd_iovar(dhd, 0, "pfnlbest", NULL, 0, (char *)plbestnet_v1, PNO_BESTNET_LEN,
+ FALSE);
+ if (err < 0) {
+ DHD_ERROR(("%s : Cannot get all the batch results, err :%d\n",
+ __FUNCTION__, err));
+ goto exit_mutex_unlock;
+ }
+ osl_get_monotonic_boottime(&tm_spec);
+
+ if (plbestnet_v1->version == PFN_LBEST_SCAN_RESULT_VERSION_V1) {
+ fwstatus = plbestnet_v1->status;
+ fwcount = plbestnet_v1->count;
+ plnetinfo = &plbestnet_v1->netinfo[0];
+
+ DHD_PNO(("ver %d, status : %d, count %d\n",
+ plbestnet_v1->version, fwstatus, fwcount));
+
+ if (fwcount == 0) {
+ DHD_PNO(("No more batch results\n"));
+ goto exit_mutex_unlock;
+ }
+ if (fwcount > BESTN_MAX) {
+ DHD_ERROR(("%s :fwcount %d is greater than BESTN_MAX %d \n",
+ __FUNCTION__, fwcount, (int)BESTN_MAX));
+ /* Process only BESTN_MAX number of results per batch */
+ fwcount = BESTN_MAX;
+ }
+ num_scans_in_cur_iter = 0;
+
+ timestamp = plnetinfo->timestamp;
+ /* find out how many scans' results did we get in
+ * this batch of FW results
+ */
+ for (i = 0, count = 0; i < fwcount; i++, count++, plnetinfo++) {
+ /* Unlikely to happen, but just in case the results from
+ * FW doesnt make sense..... Assume its part of one single scan
+ */
+ if (num_scans_in_cur_iter >= gscan_params->mscan) {
+ num_scans_in_cur_iter = 0;
+ count = fwcount;
+ break;
+ }
+ if (TIME_DIFF_MS(timestamp, plnetinfo->timestamp) > timediff) {
+ nAPs_per_scan[num_scans_in_cur_iter] = count;
+ count = 0;
+ num_scans_in_cur_iter++;
+ }
+ timestamp = plnetinfo->timestamp;
+ }
+ if (num_scans_in_cur_iter < gscan_params->mscan) {
+ nAPs_per_scan[num_scans_in_cur_iter] = count;
+ num_scans_in_cur_iter++;
+ }
+
+ DHD_PNO(("num_scans_in_cur_iter %d\n", num_scans_in_cur_iter));
+ /* reset plnetinfo to the first item for the next loop */
+ plnetinfo -= i;
+
+ for (i = 0; i < num_scans_in_cur_iter; i++) {
+ iter = (gscan_results_cache_t *)
+ MALLOCZ(dhd->osh, ((nAPs_per_scan[i] - 1) *
+ sizeof(wifi_gscan_result_t)) +
+ sizeof(gscan_results_cache_t));
+ if (!iter) {
+ DHD_ERROR(("%s :Out of memory!! Cant malloc %d bytes\n",
+ __FUNCTION__, gscan_params->mscan));
+ err = BCME_NOMEM;
+ goto exit_mutex_unlock;
+ }
+ /* Need this check because the new set of results from FW
+ * maybe a continuation of previous sets' scan results
+ */
+ if (TIME_DIFF_MS(ts, plnetinfo->timestamp) > timediff) {
+ iter->scan_id = ++gscan_params->scan_id;
+ } else {
+ iter->scan_id = gscan_params->scan_id;
+ }
+ DHD_PNO(("scan_id %d tot_count %d \n",
+ gscan_params->scan_id, nAPs_per_scan[i]));
+ iter->tot_count = nAPs_per_scan[i];
+ iter->tot_consumed = 0;
+ iter->flag = 0;
+ if (plnetinfo->flags & PFN_PARTIAL_SCAN_MASK) {
+ DHD_PNO(("This scan is aborted\n"));
+ iter->flag = (ENABLE << PNO_STATUS_ABORT);
+ } else if (gscan_params->reason) {
+ iter->flag = (ENABLE << gscan_params->reason);
+ }
+
+ if (!tail) {
+ gscan_params->gscan_batch_cache = iter;
+ } else {
+ tail->next = iter;
+ }
+ tail = iter;
+ iter->next = NULL;
+ for (j = 0; j < nAPs_per_scan[i]; j++, plnetinfo++) {
+ result = &iter->results[j];
+
+ result->channel =
+ wf_channel2mhz(plnetinfo->pfnsubnet.channel,
+ (plnetinfo->pfnsubnet.channel <= CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ result->rssi = (int32) plnetinfo->RSSI;
+ result->beacon_period = 0;
+ result->capability = 0;
+ result->rtt = (uint64) plnetinfo->rtt0;
+ result->rtt_sd = (uint64) plnetinfo->rtt1;
+ result->ts = convert_fw_rel_time_to_systime(&tm_spec,
+ plnetinfo->timestamp);
+ ts = plnetinfo->timestamp;
+ if (plnetinfo->pfnsubnet.SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("%s: Invalid SSID length %d\n",
+ __FUNCTION__,
+ plnetinfo->pfnsubnet.SSID_len));
+ plnetinfo->pfnsubnet.SSID_len = DOT11_MAX_SSID_LEN;
+ }
+ memcpy(result->ssid, plnetinfo->pfnsubnet.SSID,
+ plnetinfo->pfnsubnet.SSID_len);
+ result->ssid[plnetinfo->pfnsubnet.SSID_len] = '\0';
+ memcpy(&result->macaddr, &plnetinfo->pfnsubnet.BSSID,
+ ETHER_ADDR_LEN);
+
+ DHD_PNO(("\tSSID : "));
+ DHD_PNO(("\n"));
+ DHD_PNO(("\tBSSID: "MACDBG"\n",
+ MAC2STRDBG(result->macaddr.octet)));
+ DHD_PNO(("\tchannel: %d, RSSI: %d, timestamp: %d ms\n",
+ plnetinfo->pfnsubnet.channel,
+ plnetinfo->RSSI, plnetinfo->timestamp));
+ DHD_PNO(("\tRTT0 : %d, RTT1: %d\n",
+ plnetinfo->rtt0, plnetinfo->rtt1));
+
+ }
+ }
+
+ } else if (plbestnet_v2->version == PFN_LBEST_SCAN_RESULT_VERSION_V2) {
+ fwstatus = plbestnet_v2->status;
+ fwcount = plbestnet_v2->count;
+ plnetinfo_v2 = (wl_pfn_lnet_info_v2_t*)&plbestnet_v2->netinfo[0];
+
+ DHD_PNO(("ver %d, status : %d, count %d\n",
+ plbestnet_v2->version, fwstatus, fwcount));
+
+ if (fwcount == 0) {
+ DHD_PNO(("No more batch results\n"));
+ goto exit_mutex_unlock;
+ }
+ if (fwcount > BESTN_MAX) {
+ DHD_ERROR(("%s :fwcount %d is greater than BESTN_MAX %d \n",
+ __FUNCTION__, fwcount, (int)BESTN_MAX));
+ /* Process only BESTN_MAX number of results per batch */
+ fwcount = BESTN_MAX;
+ }
+ num_scans_in_cur_iter = 0;
+
+ timestamp = plnetinfo_v2->timestamp;
+ /* find out how many scans' results did we get
+ * in this batch of FW results
+ */
+ for (i = 0, count = 0; i < fwcount; i++, count++, plnetinfo_v2++) {
+ /* Unlikely to happen, but just in case the results from
+ * FW doesnt make sense..... Assume its part of one single scan
+ */
+ if (num_scans_in_cur_iter >= gscan_params->mscan) {
+ num_scans_in_cur_iter = 0;
+ count = fwcount;
+ break;
+ }
+ if (TIME_DIFF_MS(timestamp, plnetinfo_v2->timestamp) > timediff) {
+ nAPs_per_scan[num_scans_in_cur_iter] = count;
+ count = 0;
+ num_scans_in_cur_iter++;
+ }
+ timestamp = plnetinfo_v2->timestamp;
+ }
+ if (num_scans_in_cur_iter < gscan_params->mscan) {
+ nAPs_per_scan[num_scans_in_cur_iter] = count;
+ num_scans_in_cur_iter++;
+ }
+
+ DHD_PNO(("num_scans_in_cur_iter %d\n", num_scans_in_cur_iter));
+ /* reset plnetinfo to the first item for the next loop */
+ plnetinfo_v2 -= i;
+
+ for (i = 0; i < num_scans_in_cur_iter; i++) {
+ iter = (gscan_results_cache_t *)
+ MALLOCZ(dhd->osh, ((nAPs_per_scan[i] - 1) *
+ sizeof(wifi_gscan_result_t)) +
+ sizeof(gscan_results_cache_t));
+ if (!iter) {
+ DHD_ERROR(("%s :Out of memory!! Cant malloc %d bytes\n",
+ __FUNCTION__, gscan_params->mscan));
+ err = BCME_NOMEM;
+ goto exit_mutex_unlock;
+ }
+ /* Need this check because the new set of results from FW
+ * maybe a continuation of previous sets' scan results
+ */
+ if (TIME_DIFF_MS(ts, plnetinfo_v2->timestamp) > timediff) {
+ iter->scan_id = ++gscan_params->scan_id;
+ } else {
+ iter->scan_id = gscan_params->scan_id;
+ }
+ DHD_PNO(("scan_id %d tot_count %d ch_bucket %x\n",
+ gscan_params->scan_id, nAPs_per_scan[i],
+ plbestnet_v2->scan_ch_buckets[i]));
+ iter->tot_count = nAPs_per_scan[i];
+ iter->scan_ch_bucket = plbestnet_v2->scan_ch_buckets[i];
+ iter->tot_consumed = 0;
+ iter->flag = 0;
+ if (plnetinfo_v2->flags & PFN_PARTIAL_SCAN_MASK) {
+ DHD_PNO(("This scan is aborted\n"));
+ iter->flag = (ENABLE << PNO_STATUS_ABORT);
+ } else if (gscan_params->reason) {
+ iter->flag = (ENABLE << gscan_params->reason);
+ }
+
+ if (!tail) {
+ gscan_params->gscan_batch_cache = iter;
+ } else {
+ tail->next = iter;
+ }
+ tail = iter;
+ iter->next = NULL;
+ for (j = 0; j < nAPs_per_scan[i]; j++, plnetinfo_v2++) {
+ result = &iter->results[j];
+
+ result->channel =
+ wf_channel2mhz(plnetinfo_v2->pfnsubnet.channel,
+ (plnetinfo_v2->pfnsubnet.channel <=
+ CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ result->rssi = (int32) plnetinfo_v2->RSSI;
+ /* Info not available & not expected */
+ result->beacon_period = 0;
+ result->capability = 0;
+ result->rtt = (uint64) plnetinfo_v2->rtt0;
+ result->rtt_sd = (uint64) plnetinfo_v2->rtt1;
+ result->ts = convert_fw_rel_time_to_systime(&tm_spec,
+ plnetinfo_v2->timestamp);
+ ts = plnetinfo_v2->timestamp;
+ if (plnetinfo_v2->pfnsubnet.SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("%s: Invalid SSID length %d\n",
+ __FUNCTION__,
+ plnetinfo_v2->pfnsubnet.SSID_len));
+ plnetinfo_v2->pfnsubnet.SSID_len =
+ DOT11_MAX_SSID_LEN;
+ }
+ memcpy(result->ssid, plnetinfo_v2->pfnsubnet.u.SSID,
+ plnetinfo_v2->pfnsubnet.SSID_len);
+ result->ssid[plnetinfo_v2->pfnsubnet.SSID_len] = '\0';
+ memcpy(&result->macaddr, &plnetinfo_v2->pfnsubnet.BSSID,
+ ETHER_ADDR_LEN);
+
+ DHD_PNO(("\tSSID : "));
+ DHD_PNO(("\n"));
+ DHD_PNO(("\tBSSID: "MACDBG"\n",
+ MAC2STRDBG(result->macaddr.octet)));
+ DHD_PNO(("\tchannel: %d, RSSI: %d, timestamp: %d ms\n",
+ plnetinfo_v2->pfnsubnet.channel,
+ plnetinfo_v2->RSSI, plnetinfo_v2->timestamp));
+ DHD_PNO(("\tRTT0 : %d, RTT1: %d\n",
+ plnetinfo_v2->rtt0, plnetinfo_v2->rtt1));
+
+ }
+ }
+
+ } else {
+ err = BCME_VERSION;
+ DHD_ERROR(("bestnet fw version %d not supported\n",
+ plbestnet_v1->version));
+ goto exit_mutex_unlock;
+ }
+ } while (fwstatus == PFN_INCOMPLETE);
+
+exit_mutex_unlock:
+ mutex_unlock(&_pno_state->pno_mutex);
+exit:
+ params->params_gscan.get_batch_flag = GSCAN_BATCH_RETRIEVAL_COMPLETE;
+ smp_wmb();
+ wake_up_interruptible(&_pno_state->batch_get_wait);
+ if (nAPs_per_scan) {
+ MFREE(dhd->osh, nAPs_per_scan, gscan_params->mscan * sizeof(uint8));
+ }
+ if (plbestnet_v1) {
+ MFREE(dhd->osh, plbestnet_v1, PNO_BESTNET_LEN);
+ }
+ DHD_PNO(("Batch retrieval done!\n"));
+ return err;
+}
+#endif /* GSCAN_SUPPORT */
+
+#if defined(GSCAN_SUPPORT) || defined(DHD_GET_VALID_CHANNELS)
+static void *
+dhd_get_gscan_batch_results(dhd_pub_t *dhd, uint32 *len)
+{
+ gscan_results_cache_t *iter, *results;
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ uint16 num_scan_ids = 0, num_results = 0;
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+
+ iter = results = _params->params_gscan.gscan_batch_cache;
+ while (iter) {
+ num_results += iter->tot_count - iter->tot_consumed;
+ num_scan_ids++;
+ iter = iter->next;
+ }
+
+ *len = ((num_results << 16) | (num_scan_ids));
+ return results;
+}
+
+void *
+dhd_pno_get_gscan(dhd_pub_t *dhd, dhd_pno_gscan_cmd_cfg_t type,
+ void *info, uint32 *len)
+{
+ void *ret = NULL;
+ dhd_pno_gscan_capabilities_t *ptr;
+ dhd_pno_ssid_t *ssid_elem;
+ dhd_pno_params_t *_params;
+ dhd_epno_ssid_cfg_t *epno_cfg;
+ dhd_pno_status_info_t *_pno_state;
+
+ if (!dhd || !dhd->pno_state) {
+ DHD_ERROR(("NULL POINTER : %s\n", __FUNCTION__));
+ return NULL;
+ }
+
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+
+ if (!len) {
+ DHD_ERROR(("%s: len is NULL\n", __FUNCTION__));
+ return NULL;
+ }
+
+ switch (type) {
+ case DHD_PNO_GET_CAPABILITIES:
+ ptr = (dhd_pno_gscan_capabilities_t *)
+ MALLOCZ(dhd->osh, sizeof(dhd_pno_gscan_capabilities_t));
+ if (!ptr)
+ break;
+ /* Hardcoding these values for now, need to get
+ * these values from FW, will change in a later check-in
+ */
+ ptr->max_scan_cache_size = GSCAN_MAX_AP_CACHE;
+ ptr->max_scan_buckets = GSCAN_MAX_CH_BUCKETS;
+ ptr->max_ap_cache_per_scan = GSCAN_MAX_AP_CACHE_PER_SCAN;
+ ptr->max_rssi_sample_size = PFN_SWC_RSSI_WINDOW_MAX;
+ ptr->max_scan_reporting_threshold = 100;
+ ptr->max_hotlist_bssids = PFN_HOTLIST_MAX_NUM_APS;
+ ptr->max_hotlist_ssids = 0;
+ ptr->max_significant_wifi_change_aps = 0;
+ ptr->max_bssid_history_entries = 0;
+ ptr->max_epno_ssid_crc32 = MAX_EPNO_SSID_NUM;
+ ptr->max_epno_hidden_ssid = MAX_EPNO_HIDDEN_SSID;
+ ptr->max_white_list_ssid = MAX_WHITELIST_SSID;
+ ret = (void *)ptr;
+ *len = sizeof(dhd_pno_gscan_capabilities_t);
+ break;
+
+ case DHD_PNO_GET_BATCH_RESULTS:
+ ret = dhd_get_gscan_batch_results(dhd, len);
+ break;
+ case DHD_PNO_GET_CHANNEL_LIST:
+ if (info) {
+ uint16 ch_list[WL_NUMCHANNELS];
+ uint32 *p, mem_needed, i;
+ int32 err, nchan = WL_NUMCHANNELS;
+ uint32 *gscan_band = (uint32 *) info;
+ uint8 band = 0;
+
+ /* No band specified?, nothing to do */
+ if ((*gscan_band & GSCAN_BAND_MASK) == 0) {
+ DHD_PNO(("No band specified\n"));
+ *len = 0;
+ break;
+ }
+
+ /* HAL and DHD use different bits for 2.4G and
+ * 5G in bitmap. Hence translating it here...
+ */
+ if (*gscan_band & GSCAN_BG_BAND_MASK) {
+ band |= WLC_BAND_2G;
+ }
+ if (*gscan_band & GSCAN_A_BAND_MASK) {
+ band |= WLC_BAND_5G;
+ }
+
+ err = _dhd_pno_get_channels(dhd, ch_list, &nchan,
+ (band & GSCAN_ABG_BAND_MASK),
+ !(*gscan_band & GSCAN_DFS_MASK));
+
+ if (err < 0) {
+ DHD_ERROR(("%s: failed to get valid channel list\n",
+ __FUNCTION__));
+ *len = 0;
+ } else {
+ mem_needed = sizeof(uint32) * nchan;
+ p = (uint32 *)MALLOC(dhd->osh, mem_needed);
+ if (!p) {
+ DHD_ERROR(("%s: Unable to malloc %d bytes\n",
+ __FUNCTION__, mem_needed));
+ break;
+ }
+ for (i = 0; i < nchan; i++) {
+ p[i] = wf_channel2mhz(ch_list[i],
+ (ch_list[i] <= CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ }
+ ret = p;
+ *len = mem_needed;
+ }
+ } else {
+ *len = 0;
+ DHD_ERROR(("%s: info buffer is NULL\n", __FUNCTION__));
+ }
+ break;
+ case DHD_PNO_GET_NEW_EPNO_SSID_ELEM:
+ epno_cfg = &_params->params_gscan.epno_cfg;
+ if (epno_cfg->num_epno_ssid >=
+ MAX_EPNO_SSID_NUM) {
+ DHD_ERROR(("Excessive number of ePNO SSIDs programmed %d\n",
+ epno_cfg->num_epno_ssid));
+ return NULL;
+ }
+ if (!epno_cfg->num_epno_ssid) {
+ INIT_LIST_HEAD(&epno_cfg->epno_ssid_list);
+ }
+ ssid_elem = MALLOCZ(dhd->osh, sizeof(dhd_pno_ssid_t));
+ if (!ssid_elem) {
+ DHD_ERROR(("EPNO ssid: cannot alloc %zd bytes",
+ sizeof(dhd_pno_ssid_t)));
+ return NULL;
+ }
+ epno_cfg->num_epno_ssid++;
+ list_add_tail(&ssid_elem->list, &epno_cfg->epno_ssid_list);
+ ret = ssid_elem;
+ break;
+ default:
+ DHD_ERROR(("%s: Unrecognized cmd type - %d\n", __FUNCTION__, type));
+ break;
+ }
+
+ return ret;
+
+}
+#endif /* GSCAN_SUPPORT || DHD_GET_VALID_CHANNELS */
+
+static int
+_dhd_pno_get_for_batch(dhd_pub_t *dhd, char *buf, int bufsize, int reason)
+{
+ int err = BCME_OK;
+ int i, j;
+ uint32 timestamp = 0;
+ dhd_pno_params_t *_params = NULL;
+ dhd_pno_status_info_t *_pno_state = NULL;
+ wl_pfn_lscanresults_v1_t *plbestnet_v1 = NULL;
+ wl_pfn_lscanresults_v2_t *plbestnet_v2 = NULL;
+ wl_pfn_lnet_info_v1_t *plnetinfo;
+ wl_pfn_lnet_info_v2_t *plnetinfo_v2;
+ dhd_pno_bestnet_entry_t *pbestnet_entry;
+ dhd_pno_best_header_t *pbestnetheader = NULL;
+ dhd_pno_scan_results_t *pscan_results = NULL, *siter, *snext;
+ bool allocate_header = FALSE;
+ uint16 fwstatus = PFN_INCOMPLETE;
+ uint16 fwcount;
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+
+ /* The static asserts below guarantee the v1 and v2 net_info and subnet_info
+ * structures are compatible in size and SSID offset, allowing v1 to be safely
+ * used in the code below except for lscanresults fields themselves
+ * (status, count, offset to netinfo).
+ */
+ STATIC_ASSERT(sizeof(wl_pfn_net_info_v1_t) == sizeof(wl_pfn_net_info_v2_t));
+ STATIC_ASSERT(sizeof(wl_pfn_lnet_info_v1_t) == sizeof(wl_pfn_lnet_info_v2_t));
+ STATIC_ASSERT(sizeof(wl_pfn_subnet_info_v1_t) == sizeof(wl_pfn_subnet_info_v2_t));
+ ASSERT(OFFSETOF(wl_pfn_subnet_info_v1_t, SSID) ==
+ OFFSETOF(wl_pfn_subnet_info_v2_t, u.SSID));
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit_no_unlock;
+ }
+
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit_no_unlock;
+ }
+
+ if (!(_pno_state->pno_mode & DHD_PNO_BATCH_MODE)) {
+ DHD_ERROR(("%s: Batching SCAN mode is not enabled\n", __FUNCTION__));
+ goto exit_no_unlock;
+ }
+ mutex_lock(&_pno_state->pno_mutex);
+ _params = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS];
+ if (buf && bufsize) {
+ if (!list_empty(&_params->params_batch.get_batch.expired_scan_results_list)) {
+ /* need to check whether we have cashed data or not */
+ DHD_PNO(("%s: have cashed batching data in Driver\n",
+ __FUNCTION__));
+ /* convert to results format */
+ goto convert_format;
+ } else {
+ /* this is a first try to get batching results */
+ if (!list_empty(&_params->params_batch.get_batch.scan_results_list)) {
+ /* move the scan_results_list to expired_scan_results_lists */
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(siter, snext,
+ &_params->params_batch.get_batch.scan_results_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ list_move_tail(&siter->list,
+ &_params->params_batch.get_batch.expired_scan_results_list);
+ }
+ _params->params_batch.get_batch.top_node_cnt = 0;
+ _params->params_batch.get_batch.expired_tot_scan_cnt =
+ _params->params_batch.get_batch.tot_scan_cnt;
+ _params->params_batch.get_batch.tot_scan_cnt = 0;
+ goto convert_format;
+ }
+ }
+ }
+ /* create dhd_pno_scan_results_t whenever we got event WLC_E_PFN_BEST_BATCHING */
+ pscan_results = (dhd_pno_scan_results_t *)MALLOC(dhd->osh, SCAN_RESULTS_SIZE);
+ if (pscan_results == NULL) {
+ err = BCME_NOMEM;
+ DHD_ERROR(("failed to allocate dhd_pno_scan_results_t\n"));
+ goto exit;
+ }
+ pscan_results->bestnetheader = NULL;
+ pscan_results->cnt_header = 0;
+ /* add the element into list unless total node cnt is less than MAX_NODE_ CNT */
+ if (_params->params_batch.get_batch.top_node_cnt < MAX_NODE_CNT) {
+ list_add(&pscan_results->list, &_params->params_batch.get_batch.scan_results_list);
+ _params->params_batch.get_batch.top_node_cnt++;
+ } else {
+ int _removed_scan_cnt;
+ /* remove oldest one and add new one */
+ DHD_PNO(("%s : Remove oldest node and add new one\n", __FUNCTION__));
+ _removed_scan_cnt = _dhd_pno_clear_all_batch_results(dhd,
+ &_params->params_batch.get_batch.scan_results_list, TRUE);
+ _params->params_batch.get_batch.tot_scan_cnt -= _removed_scan_cnt;
+ list_add(&pscan_results->list, &_params->params_batch.get_batch.scan_results_list);
+
+ }
+
+ plbestnet_v1 = (wl_pfn_lscanresults_v1_t *)MALLOC(dhd->osh, PNO_BESTNET_LEN);
+ NULL_CHECK(plbestnet_v1, "failed to allocate buffer for bestnet", err);
+ plbestnet_v2 = (wl_pfn_lscanresults_v2_t*)plbestnet_v1;
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ do {
+ err = dhd_iovar(dhd, 0, "pfnlbest", NULL, 0, (char *)plbestnet_v1, PNO_BESTNET_LEN,
+ FALSE);
+ if (err < 0) {
+ if (err == BCME_EPERM) {
+ DHD_ERROR(("we cannot get the batching data "
+ "during scanning in firmware, try again\n,"));
+ msleep(500);
+ continue;
+ } else {
+ DHD_ERROR(("%s : failed to execute pfnlbest (err :%d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+
+ if (plbestnet_v1->version == PFN_LBEST_SCAN_RESULT_VERSION_V1) {
+ fwstatus = plbestnet_v1->status;
+ fwcount = plbestnet_v1->count;
+ plnetinfo = &plbestnet_v1->netinfo[0];
+ if (fwcount == 0) {
+ DHD_PNO(("No more batch results\n"));
+ goto exit;
+ }
+ if (fwcount > BESTN_MAX) {
+ DHD_ERROR(("%s :fwcount %d is greater than BESTN_MAX %d \n",
+ __FUNCTION__, fwcount, (int)BESTN_MAX));
+ /* Process only BESTN_MAX number of results per batch */
+ fwcount = BESTN_MAX;
+ }
+ for (i = 0; i < fwcount; i++) {
+ pbestnet_entry = (dhd_pno_bestnet_entry_t *)
+ MALLOC(dhd->osh, BESTNET_ENTRY_SIZE);
+ if (pbestnet_entry == NULL) {
+ err = BCME_NOMEM;
+ DHD_ERROR(("failed to allocate dhd_pno_bestnet_entry\n"));
+ goto exit;
+ }
+ memset(pbestnet_entry, 0, BESTNET_ENTRY_SIZE);
+ /* record the current time */
+ pbestnet_entry->recorded_time = jiffies;
+ /* create header for the first entry */
+ allocate_header = (i == 0)? TRUE : FALSE;
+ /* check whether the new generation is started or not */
+ if (timestamp && (TIME_DIFF(timestamp, plnetinfo->timestamp)
+ > TIME_MIN_DIFF))
+ allocate_header = TRUE;
+ timestamp = plnetinfo->timestamp;
+ if (allocate_header) {
+ pbestnetheader = (dhd_pno_best_header_t *)
+ MALLOC(dhd->osh, BEST_HEADER_SIZE);
+ if (pbestnetheader == NULL) {
+ err = BCME_NOMEM;
+ if (pbestnet_entry)
+ MFREE(dhd->osh, pbestnet_entry,
+ BESTNET_ENTRY_SIZE);
+ DHD_ERROR(("failed to allocate"
+ " dhd_pno_bestnet_entry\n"));
+ goto exit;
+ }
+ /* increase total cnt of bestnet header */
+ pscan_results->cnt_header++;
+ /* need to record the reason to call dhd_pno_get_for_bach */
+ if (reason)
+ pbestnetheader->reason = (ENABLE << reason);
+ memset(pbestnetheader, 0, BEST_HEADER_SIZE);
+ /* initialize the head of linked list */
+ INIT_LIST_HEAD(&(pbestnetheader->entry_list));
+ /* link the pbestnet heaer into existed list */
+ if (pscan_results->bestnetheader == NULL)
+ /* In case of header */
+ pscan_results->bestnetheader = pbestnetheader;
+ else {
+ dhd_pno_best_header_t *head =
+ pscan_results->bestnetheader;
+ pscan_results->bestnetheader = pbestnetheader;
+ pbestnetheader->next = head;
+ }
+ }
+ pbestnet_entry->channel = plnetinfo->pfnsubnet.channel;
+ pbestnet_entry->RSSI = plnetinfo->RSSI;
+ if (plnetinfo->flags & PFN_PARTIAL_SCAN_MASK) {
+ /* if RSSI is positive value, we assume that
+ * this scan is aborted by other scan
+ */
+ DHD_PNO(("This scan is aborted\n"));
+ pbestnetheader->reason = (ENABLE << PNO_STATUS_ABORT);
+ }
+ pbestnet_entry->rtt0 = plnetinfo->rtt0;
+ pbestnet_entry->rtt1 = plnetinfo->rtt1;
+ pbestnet_entry->timestamp = plnetinfo->timestamp;
+ if (plnetinfo->pfnsubnet.SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("%s: Invalid SSID length"
+ " %d: trimming it to max\n",
+ __FUNCTION__, plnetinfo->pfnsubnet.SSID_len));
+ plnetinfo->pfnsubnet.SSID_len = DOT11_MAX_SSID_LEN;
+ }
+ pbestnet_entry->SSID_len = plnetinfo->pfnsubnet.SSID_len;
+ memcpy(pbestnet_entry->SSID, plnetinfo->pfnsubnet.SSID,
+ pbestnet_entry->SSID_len);
+ memcpy(&pbestnet_entry->BSSID, &plnetinfo->pfnsubnet.BSSID,
+ ETHER_ADDR_LEN);
+ /* add the element into list */
+ list_add_tail(&pbestnet_entry->list, &pbestnetheader->entry_list);
+ /* increase best entry count */
+ pbestnetheader->tot_cnt++;
+ pbestnetheader->tot_size += BESTNET_ENTRY_SIZE;
+ DHD_PNO(("Header %d\n", pscan_results->cnt_header - 1));
+ DHD_PNO(("\tSSID : "));
+ for (j = 0; j < plnetinfo->pfnsubnet.SSID_len; j++)
+ DHD_PNO(("%c", plnetinfo->pfnsubnet.SSID[j]));
+ DHD_PNO(("\n"));
+ DHD_PNO(("\tBSSID: "MACDBG"\n",
+ MAC2STRDBG(plnetinfo->pfnsubnet.BSSID.octet)));
+ DHD_PNO(("\tchannel: %d, RSSI: %d, timestamp: %d ms\n",
+ plnetinfo->pfnsubnet.channel,
+ plnetinfo->RSSI, plnetinfo->timestamp));
+ DHD_PNO(("\tRTT0 : %d, RTT1: %d\n", plnetinfo->rtt0,
+ plnetinfo->rtt1));
+ plnetinfo++;
+ }
+ } else if (plbestnet_v2->version == PFN_LBEST_SCAN_RESULT_VERSION_V2) {
+ fwstatus = plbestnet_v2->status;
+ fwcount = plbestnet_v2->count;
+ plnetinfo_v2 = (wl_pfn_lnet_info_v2_t*)&plbestnet_v2->netinfo[0];
+ if (fwcount == 0) {
+ DHD_PNO(("No more batch results\n"));
+ goto exit;
+ }
+ if (fwcount > BESTN_MAX) {
+ DHD_ERROR(("%s :fwcount %d is greater than BESTN_MAX %d \n",
+ __FUNCTION__, fwcount, (int)BESTN_MAX));
+ /* Process only BESTN_MAX number of results per batch */
+ fwcount = BESTN_MAX;
+ }
+ DHD_PNO(("ver %d, status : %d, count %d\n",
+ plbestnet_v2->version, fwstatus, fwcount));
+
+ for (i = 0; i < fwcount; i++) {
+ pbestnet_entry = (dhd_pno_bestnet_entry_t *)
+ MALLOC(dhd->osh, BESTNET_ENTRY_SIZE);
+ if (pbestnet_entry == NULL) {
+ err = BCME_NOMEM;
+ DHD_ERROR(("failed to allocate dhd_pno_bestnet_entry\n"));
+ goto exit;
+ }
+ memset(pbestnet_entry, 0, BESTNET_ENTRY_SIZE);
+ /* record the current time */
+ pbestnet_entry->recorded_time = jiffies;
+ /* create header for the first entry */
+ allocate_header = (i == 0)? TRUE : FALSE;
+ /* check whether the new generation is started or not */
+ if (timestamp && (TIME_DIFF(timestamp, plnetinfo_v2->timestamp)
+ > TIME_MIN_DIFF))
+ allocate_header = TRUE;
+ timestamp = plnetinfo_v2->timestamp;
+ if (allocate_header) {
+ pbestnetheader = (dhd_pno_best_header_t *)
+ MALLOC(dhd->osh, BEST_HEADER_SIZE);
+ if (pbestnetheader == NULL) {
+ err = BCME_NOMEM;
+ if (pbestnet_entry)
+ MFREE(dhd->osh, pbestnet_entry,
+ BESTNET_ENTRY_SIZE);
+ DHD_ERROR(("failed to allocate"
+ " dhd_pno_bestnet_entry\n"));
+ goto exit;
+ }
+ /* increase total cnt of bestnet header */
+ pscan_results->cnt_header++;
+ /* need to record the reason to call dhd_pno_get_for_bach */
+ if (reason)
+ pbestnetheader->reason = (ENABLE << reason);
+ memset(pbestnetheader, 0, BEST_HEADER_SIZE);
+ /* initialize the head of linked list */
+ INIT_LIST_HEAD(&(pbestnetheader->entry_list));
+ /* link the pbestnet heaer into existed list */
+ if (pscan_results->bestnetheader == NULL)
+ /* In case of header */
+ pscan_results->bestnetheader = pbestnetheader;
+ else {
+ dhd_pno_best_header_t *head =
+ pscan_results->bestnetheader;
+ pscan_results->bestnetheader = pbestnetheader;
+ pbestnetheader->next = head;
+ }
+ }
+ /* fills the best network info */
+ pbestnet_entry->channel = plnetinfo_v2->pfnsubnet.channel;
+ pbestnet_entry->RSSI = plnetinfo_v2->RSSI;
+ if (plnetinfo_v2->flags & PFN_PARTIAL_SCAN_MASK) {
+ /* if RSSI is positive value, we assume that
+ * this scan is aborted by other scan
+ */
+ DHD_PNO(("This scan is aborted\n"));
+ pbestnetheader->reason = (ENABLE << PNO_STATUS_ABORT);
+ }
+ pbestnet_entry->rtt0 = plnetinfo_v2->rtt0;
+ pbestnet_entry->rtt1 = plnetinfo_v2->rtt1;
+ pbestnet_entry->timestamp = plnetinfo_v2->timestamp;
+ if (plnetinfo_v2->pfnsubnet.SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("%s: Invalid SSID length"
+ " %d: trimming it to max\n",
+ __FUNCTION__, plnetinfo_v2->pfnsubnet.SSID_len));
+ plnetinfo_v2->pfnsubnet.SSID_len = DOT11_MAX_SSID_LEN;
+ }
+ pbestnet_entry->SSID_len = plnetinfo_v2->pfnsubnet.SSID_len;
+ memcpy(pbestnet_entry->SSID, plnetinfo_v2->pfnsubnet.u.SSID,
+ pbestnet_entry->SSID_len);
+ memcpy(&pbestnet_entry->BSSID, &plnetinfo_v2->pfnsubnet.BSSID,
+ ETHER_ADDR_LEN);
+ /* add the element into list */
+ list_add_tail(&pbestnet_entry->list, &pbestnetheader->entry_list);
+ /* increase best entry count */
+ pbestnetheader->tot_cnt++;
+ pbestnetheader->tot_size += BESTNET_ENTRY_SIZE;
+ DHD_PNO(("Header %d\n", pscan_results->cnt_header - 1));
+ DHD_PNO(("\tSSID : "));
+ for (j = 0; j < plnetinfo_v2->pfnsubnet.SSID_len; j++)
+ DHD_PNO(("%c", plnetinfo_v2->pfnsubnet.u.SSID[j]));
+ DHD_PNO(("\n"));
+ DHD_PNO(("\tBSSID: "MACDBG"\n",
+ MAC2STRDBG(plnetinfo_v2->pfnsubnet.BSSID.octet)));
+ DHD_PNO(("\tchannel: %d, RSSI: %d, timestamp: %d ms\n",
+ plnetinfo_v2->pfnsubnet.channel,
+ plnetinfo_v2->RSSI, plnetinfo_v2->timestamp));
+ DHD_PNO(("\tRTT0 : %d, RTT1: %d\n", plnetinfo_v2->rtt0,
+ plnetinfo_v2->rtt1));
+ plnetinfo_v2++;
+ }
+ } else {
+ err = BCME_VERSION;
+ DHD_ERROR(("bestnet fw version %d not supported\n",
+ plbestnet_v1->version));
+ goto exit;
+ }
+ } while (fwstatus != PFN_COMPLETE);
+
+ if (pscan_results->cnt_header == 0) {
+ /* In case that we didn't get any data from the firmware
+ * Remove the current scan_result list from get_bach.scan_results_list.
+ */
+ DHD_PNO(("NO BATCH DATA from Firmware, Delete current SCAN RESULT LIST\n"));
+ list_del(&pscan_results->list);
+ MFREE(dhd->osh, pscan_results, SCAN_RESULTS_SIZE);
+ _params->params_batch.get_batch.top_node_cnt--;
+ } else {
+ /* increase total scan count using current scan count */
+ _params->params_batch.get_batch.tot_scan_cnt += pscan_results->cnt_header;
+ }
+
+ if (buf && bufsize) {
+ /* This is a first try to get batching results */
+ if (!list_empty(&_params->params_batch.get_batch.scan_results_list)) {
+ /* move the scan_results_list to expired_scan_results_lists */
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(siter, snext,
+ &_params->params_batch.get_batch.scan_results_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ list_move_tail(&siter->list,
+ &_params->params_batch.get_batch.expired_scan_results_list);
+ }
+ /* reset gloval values after moving to expired list */
+ _params->params_batch.get_batch.top_node_cnt = 0;
+ _params->params_batch.get_batch.expired_tot_scan_cnt =
+ _params->params_batch.get_batch.tot_scan_cnt;
+ _params->params_batch.get_batch.tot_scan_cnt = 0;
+ }
+convert_format:
+ err = _dhd_pno_convert_format(dhd, &_params->params_batch, buf, bufsize);
+ if (err < 0) {
+ DHD_ERROR(("failed to convert the data into upper layer format\n"));
+ goto exit;
+ }
+ }
+exit:
+ if (plbestnet_v1)
+ MFREE(dhd->osh, plbestnet_v1, PNO_BESTNET_LEN);
+ if (_params) {
+ _params->params_batch.get_batch.buf = NULL;
+ _params->params_batch.get_batch.bufsize = 0;
+ _params->params_batch.get_batch.bytes_written = err;
+ }
+ mutex_unlock(&_pno_state->pno_mutex);
+exit_no_unlock:
+ if (waitqueue_active(&_pno_state->get_batch_done.wait))
+ complete(&_pno_state->get_batch_done);
+ return err;
+}
+
+static void
+_dhd_pno_get_batch_handler(struct work_struct *work)
+{
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pub_t *dhd;
+ struct dhd_pno_batch_params *params_batch;
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ _pno_state = container_of(work, struct dhd_pno_status_info, work);
+ GCC_DIAGNOSTIC_POP();
+
+ dhd = _pno_state->dhd;
+ if (dhd == NULL) {
+ DHD_ERROR(("%s : dhd is NULL\n", __FUNCTION__));
+ return;
+ }
+
+#ifdef GSCAN_SUPPORT
+ _dhd_pno_get_gscan_batch_from_fw(dhd);
+#endif /* GSCAN_SUPPORT */
+ if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ params_batch = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS].params_batch;
+
+ _dhd_pno_get_for_batch(dhd, params_batch->get_batch.buf,
+ params_batch->get_batch.bufsize, params_batch->get_batch.reason);
+ }
+}
+
+int
+dhd_pno_get_for_batch(dhd_pub_t *dhd, char *buf, int bufsize, int reason)
+{
+ int err = BCME_OK;
+ char *pbuf = buf;
+ dhd_pno_status_info_t *_pno_state;
+ struct dhd_pno_batch_params *params_batch;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+ params_batch = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS].params_batch;
+#ifdef GSCAN_SUPPORT
+ if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ struct dhd_pno_gscan_params *gscan_params;
+ gscan_params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan;
+ gscan_params->reason = reason;
+ err = dhd_retreive_batch_scan_results(dhd);
+ if (err == BCME_OK) {
+ wait_event_interruptible_timeout(_pno_state->batch_get_wait,
+ is_batch_retrieval_complete(gscan_params),
+ msecs_to_jiffies(GSCAN_BATCH_GET_MAX_WAIT));
+ }
+ } else
+#endif // endif
+ {
+ if (!(_pno_state->pno_mode & DHD_PNO_BATCH_MODE)) {
+ DHD_ERROR(("%s: Batching SCAN mode is not enabled\n", __FUNCTION__));
+ memset(pbuf, 0, bufsize);
+ pbuf += snprintf(pbuf, bufsize, "scancount=%d\n", 0);
+ snprintf(pbuf, bufsize, "%s", RESULTS_END_MARKER);
+ err = strlen(buf);
+ goto exit;
+ }
+ params_batch->get_batch.buf = buf;
+ params_batch->get_batch.bufsize = bufsize;
+ params_batch->get_batch.reason = reason;
+ params_batch->get_batch.bytes_written = 0;
+ schedule_work(&_pno_state->work);
+ wait_for_completion(&_pno_state->get_batch_done);
+ }
+
+#ifdef GSCAN_SUPPORT
+ if (!(_pno_state->pno_mode & DHD_PNO_GSCAN_MODE))
+#endif // endif
+ err = params_batch->get_batch.bytes_written;
+exit:
+ return err;
+}
+
+int
+dhd_pno_stop_for_batch(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ int mode = 0;
+ int i = 0;
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ wl_pfn_bssid_t *p_pfn_bssid = NULL;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n",
+ __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+
+#ifdef GSCAN_SUPPORT
+ if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ DHD_PNO(("Gscan is ongoing, nothing to stop here\n"));
+ return err;
+ }
+#endif // endif
+
+ if (!(_pno_state->pno_mode & DHD_PNO_BATCH_MODE)) {
+ DHD_ERROR(("%s : PNO BATCH MODE is not enabled\n", __FUNCTION__));
+ goto exit;
+ }
+ _pno_state->pno_mode &= ~DHD_PNO_BATCH_MODE;
+ if (_pno_state->pno_mode & (DHD_PNO_LEGACY_MODE | DHD_PNO_HOTLIST_MODE)) {
+ mode = _pno_state->pno_mode;
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+
+ _pno_state->pno_mode = mode;
+ /* restart Legacy PNO if the Legacy PNO is on */
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ struct dhd_pno_legacy_params *_params_legacy;
+ _params_legacy =
+ &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS].params_legacy);
+ err = dhd_pno_set_legacy_pno(dhd, _params_legacy->scan_fr,
+ _params_legacy->pno_repeat,
+ _params_legacy->pno_freq_expo_max,
+ _params_legacy->chan_list, _params_legacy->nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to restart legacy PNO scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ } else if (_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE) {
+ struct dhd_pno_bssid *iter, *next;
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_HOTLIST_PARAMS]);
+ p_pfn_bssid = (wl_pfn_bssid_t *)MALLOCZ(dhd->osh,
+ sizeof(wl_pfn_bssid_t) * _params->params_hotlist.nbssid);
+ if (p_pfn_bssid == NULL) {
+ DHD_ERROR(("%s : failed to allocate wl_pfn_bssid_t array"
+ " (count: %d)",
+ __FUNCTION__, _params->params_hotlist.nbssid));
+ err = BCME_ERROR;
+ _pno_state->pno_mode &= ~DHD_PNO_HOTLIST_MODE;
+ goto exit;
+ }
+ i = 0;
+ /* convert dhd_pno_bssid to wl_pfn_bssid */
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ list_for_each_entry_safe(iter, next,
+ &_params->params_hotlist.bssid_list, list) {
+ GCC_DIAGNOSTIC_POP();
+ memcpy(&p_pfn_bssid[i].macaddr, &iter->macaddr, ETHER_ADDR_LEN);
+ p_pfn_bssid[i].flags = iter->flags;
+ i++;
+ }
+ err = dhd_pno_set_for_hotlist(dhd, p_pfn_bssid, &_params->params_hotlist);
+ if (err < 0) {
+ _pno_state->pno_mode &= ~DHD_PNO_HOTLIST_MODE;
+ DHD_ERROR(("%s : failed to restart hotlist scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+ } else {
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+exit:
+ _params = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS];
+ _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_BATCH_MODE);
+ MFREE(dhd->osh, p_pfn_bssid,
+ sizeof(wl_pfn_bssid_t) * _params->params_hotlist.nbssid);
+ return err;
+}
+
+int
+dhd_pno_set_for_hotlist(dhd_pub_t *dhd, wl_pfn_bssid_t *p_pfn_bssid,
+ struct dhd_pno_hotlist_params *hotlist_params)
+{
+ int err = BCME_OK;
+ int i;
+ uint16 _chan_list[WL_NUMCHANNELS];
+ int rem_nchan = 0;
+ int tot_nchan = 0;
+ int mode = 0;
+ dhd_pno_params_t *_params;
+ dhd_pno_params_t *_params2;
+ struct dhd_pno_bssid *_pno_bssid;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ NULL_CHECK(hotlist_params, "hotlist_params is NULL", err);
+ NULL_CHECK(p_pfn_bssid, "p_pfn_bssid is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+
+ if (!dhd_support_sta_mode(dhd)) {
+ err = BCME_BADOPTION;
+ goto exit;
+ }
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+ _params = &_pno_state->pno_params_arr[INDEX_OF_HOTLIST_PARAMS];
+ if (!(_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE)) {
+ _pno_state->pno_mode |= DHD_PNO_HOTLIST_MODE;
+ err = _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_HOTLIST_MODE);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call _dhd_pno_reinitialize_prof\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ }
+ _params->params_batch.nchan = hotlist_params->nchan;
+ _params->params_batch.scan_fr = hotlist_params->scan_fr;
+ if (hotlist_params->nchan)
+ memcpy(_params->params_hotlist.chan_list, hotlist_params->chan_list,
+ sizeof(_params->params_hotlist.chan_list));
+ memset(_chan_list, 0, sizeof(_chan_list));
+
+ rem_nchan = ARRAYSIZE(hotlist_params->chan_list) - hotlist_params->nchan;
+ if (hotlist_params->band == WLC_BAND_2G || hotlist_params->band == WLC_BAND_5G) {
+ /* get a valid channel list based on band B or A */
+ err = _dhd_pno_get_channels(dhd,
+ &_params->params_hotlist.chan_list[hotlist_params->nchan],
+ &rem_nchan, hotlist_params->band, FALSE);
+ if (err < 0) {
+ DHD_ERROR(("%s: failed to get valid channel list(band : %d)\n",
+ __FUNCTION__, hotlist_params->band));
+ goto exit;
+ }
+ /* now we need to update nchan because rem_chan has valid channel count */
+ _params->params_hotlist.nchan += rem_nchan;
+ /* need to sort channel list */
+ sort(_params->params_hotlist.chan_list, _params->params_hotlist.nchan,
+ sizeof(_params->params_hotlist.chan_list[0]), _dhd_pno_cmpfunc, NULL);
+ }
+#ifdef PNO_DEBUG
+{
+ int i;
+ DHD_PNO(("Channel list : "));
+ for (i = 0; i < _params->params_batch.nchan; i++) {
+ DHD_PNO(("%d ", _params->params_batch.chan_list[i]));
+ }
+ DHD_PNO(("\n"));
+}
+#endif // endif
+ if (_params->params_hotlist.nchan) {
+ /* copy the channel list into local array */
+ memcpy(_chan_list, _params->params_hotlist.chan_list,
+ sizeof(_chan_list));
+ tot_nchan = _params->params_hotlist.nchan;
+ }
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ DHD_PNO(("PNO SSID is on progress in firmware\n"));
+ /* store current pno_mode before disabling pno */
+ mode = _pno_state->pno_mode;
+ err = _dhd_pno_enable(dhd, PNO_OFF);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to disable PNO\n", __FUNCTION__));
+ goto exit;
+ }
+ /* restore the previous mode */
+ _pno_state->pno_mode = mode;
+ /* Use the superset for channelist between two mode */
+ _params2 = &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS]);
+ if (_params2->params_legacy.nchan > 0 &&
+ _params->params_hotlist.nchan > 0) {
+ err = _dhd_pno_chan_merge(_chan_list, &tot_nchan,
+ &_params2->params_legacy.chan_list[0],
+ _params2->params_legacy.nchan,
+ &_params->params_hotlist.chan_list[0],
+ _params->params_hotlist.nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to merge channel list"
+ "between legacy and hotlist\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ }
+
+ }
+
+ INIT_LIST_HEAD(&(_params->params_hotlist.bssid_list));
+
+ err = _dhd_pno_add_bssid(dhd, p_pfn_bssid, hotlist_params->nbssid);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call _dhd_pno_add_bssid(err :%d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ if ((err = _dhd_pno_set(dhd, _params, DHD_PNO_HOTLIST_MODE)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_set (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ if (tot_nchan > 0) {
+ if ((err = _dhd_pno_cfg(dhd, _chan_list, tot_nchan)) < 0) {
+ DHD_ERROR(("%s : failed to set call pno_cfg (err %d) in firmware\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+ for (i = 0; i < hotlist_params->nbssid; i++) {
+ _pno_bssid = (struct dhd_pno_bssid *)MALLOCZ(dhd->osh,
+ sizeof(struct dhd_pno_bssid));
+ NULL_CHECK(_pno_bssid, "_pfn_bssid is NULL", err);
+ memcpy(&_pno_bssid->macaddr, &p_pfn_bssid[i].macaddr, ETHER_ADDR_LEN);
+ _pno_bssid->flags = p_pfn_bssid[i].flags;
+ list_add_tail(&_pno_bssid->list, &_params->params_hotlist.bssid_list);
+ }
+ _params->params_hotlist.nbssid = hotlist_params->nbssid;
+ if (_pno_state->pno_status == DHD_PNO_DISABLED) {
+ if ((err = _dhd_pno_enable(dhd, PNO_ON)) < 0)
+ DHD_ERROR(("%s : failed to enable PNO\n", __FUNCTION__));
+ }
+exit:
+ /* clear mode in case of error */
+ if (err < 0)
+ _pno_state->pno_mode &= ~DHD_PNO_HOTLIST_MODE;
+ return err;
+}
+
+int
+dhd_pno_stop_for_hotlist(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ uint32 mode = 0;
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n",
+ __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+
+ if (!(_pno_state->pno_mode & DHD_PNO_HOTLIST_MODE)) {
+ DHD_ERROR(("%s : Hotlist MODE is not enabled\n",
+ __FUNCTION__));
+ goto exit;
+ }
+ _pno_state->pno_mode &= ~DHD_PNO_BATCH_MODE;
+
+ if (_pno_state->pno_mode & (DHD_PNO_LEGACY_MODE | DHD_PNO_BATCH_MODE)) {
+ /* retrieve the batching data from firmware into host */
+ dhd_pno_get_for_batch(dhd, NULL, 0, PNO_STATUS_DISABLE);
+ /* save current pno_mode before calling dhd_pno_clean */
+ mode = _pno_state->pno_mode;
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ /* restore previos pno mode */
+ _pno_state->pno_mode = mode;
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ /* restart Legacy PNO Scan */
+ struct dhd_pno_legacy_params *_params_legacy;
+ _params_legacy =
+ &(_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS].params_legacy);
+ err = dhd_pno_set_legacy_pno(dhd, _params_legacy->scan_fr,
+ _params_legacy->pno_repeat, _params_legacy->pno_freq_expo_max,
+ _params_legacy->chan_list, _params_legacy->nchan);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to restart legacy PNO scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ } else if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ /* restart Batching Scan */
+ _params = &(_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS]);
+ /* restart BATCH SCAN */
+ err = dhd_pno_set_for_batch(dhd, &_params->params_batch);
+ if (err < 0) {
+ _pno_state->pno_mode &= ~DHD_PNO_BATCH_MODE;
+ DHD_ERROR(("%s : failed to restart batch scan(err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+ } else {
+ err = dhd_pno_clean(dhd);
+ if (err < 0) {
+ DHD_ERROR(("%s : failed to call dhd_pno_clean (err: %d)\n",
+ __FUNCTION__, err));
+ goto exit;
+ }
+ }
+exit:
+ return err;
+}
+
+#ifdef GSCAN_SUPPORT
+int
+dhd_retreive_batch_scan_results(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ struct dhd_pno_batch_params *params_batch;
+
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+
+ params_batch = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS].params_batch;
+ if (_params->params_gscan.get_batch_flag == GSCAN_BATCH_RETRIEVAL_COMPLETE) {
+ DHD_PNO(("Retreive batch results\n"));
+ params_batch->get_batch.buf = NULL;
+ params_batch->get_batch.bufsize = 0;
+ params_batch->get_batch.reason = PNO_STATUS_EVENT;
+ _params->params_gscan.get_batch_flag = GSCAN_BATCH_RETRIEVAL_IN_PROGRESS;
+ smp_wmb();
+ schedule_work(&_pno_state->work);
+ } else {
+ DHD_PNO(("%s : WLC_E_PFN_BEST_BATCHING retrieval"
+ "already in progress, will skip\n", __FUNCTION__));
+ err = BCME_ERROR;
+ }
+
+ return err;
+}
+
+void
+dhd_gscan_hotlist_cache_cleanup(dhd_pub_t *dhd, hotlist_type_t type)
+{
+ dhd_pno_status_info_t *_pno_state = PNO_GET_PNOSTATE(dhd);
+ struct dhd_pno_gscan_params *gscan_params;
+ gscan_results_cache_t *iter, *tmp;
+
+ if (!_pno_state) {
+ return;
+ }
+ gscan_params = &(_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan);
+
+ if (type == HOTLIST_FOUND) {
+ iter = gscan_params->gscan_hotlist_found;
+ gscan_params->gscan_hotlist_found = NULL;
+ } else {
+ iter = gscan_params->gscan_hotlist_lost;
+ gscan_params->gscan_hotlist_lost = NULL;
+ }
+
+ while (iter) {
+ tmp = iter->next;
+ MFREE(dhd->osh, iter,
+ ((iter->tot_count - 1) * sizeof(wifi_gscan_result_t))
+ + sizeof(gscan_results_cache_t));
+ iter = tmp;
+ }
+
+ return;
+}
+
+void *
+dhd_process_full_gscan_result(dhd_pub_t *dhd, const void *data, uint32 len, int *size)
+{
+ wl_bss_info_t *bi = NULL;
+ wl_gscan_result_t *gscan_result;
+ wifi_gscan_full_result_t *result = NULL;
+ u32 bi_length = 0;
+ uint8 channel;
+ uint32 mem_needed;
+ struct osl_timespec ts;
+ u32 bi_ie_length = 0;
+ u32 bi_ie_offset = 0;
+
+ *size = 0;
+ GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST();
+ gscan_result = (wl_gscan_result_t *)data;
+ GCC_DIAGNOSTIC_POP();
+ if (!gscan_result) {
+ DHD_ERROR(("Invalid gscan result (NULL pointer)\n"));
+ goto exit;
+ }
+
+ if ((len < sizeof(*gscan_result)) ||
+ (len < dtoh32(gscan_result->buflen)) ||
+ (dtoh32(gscan_result->buflen) >
+ (sizeof(*gscan_result) + WL_SCAN_IE_LEN_MAX))) {
+ DHD_ERROR(("%s: invalid gscan buflen:%u\n", __FUNCTION__,
+ dtoh32(gscan_result->buflen)));
+ goto exit;
+ }
+
+ bi = &gscan_result->bss_info[0].info;
+ bi_length = dtoh32(bi->length);
+ if (bi_length != (dtoh32(gscan_result->buflen) -
+ WL_GSCAN_RESULTS_FIXED_SIZE - WL_GSCAN_INFO_FIXED_FIELD_SIZE)) {
+ DHD_ERROR(("Invalid bss_info length %d: ignoring\n", bi_length));
+ goto exit;
+ }
+ bi_ie_offset = dtoh32(bi->ie_offset);
+ bi_ie_length = dtoh32(bi->ie_length);
+ if ((bi_ie_offset + bi_ie_length) > bi_length) {
+ DHD_ERROR(("%s: Invalid ie_length:%u or ie_offset:%u\n",
+ __FUNCTION__, bi_ie_length, bi_ie_offset));
+ goto exit;
+ }
+ if (bi->SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("%s: Invalid SSID length:%u\n", __FUNCTION__, bi->SSID_len));
+ goto exit;
+ }
+
+ mem_needed = OFFSETOF(wifi_gscan_full_result_t, ie_data) + bi->ie_length;
+ result = (wifi_gscan_full_result_t *)MALLOC(dhd->osh, mem_needed);
+ if (!result) {
+ DHD_ERROR(("%s Cannot malloc scan result buffer %d bytes\n",
+ __FUNCTION__, mem_needed));
+ goto exit;
+ }
+
+ result->scan_ch_bucket = gscan_result->scan_ch_bucket;
+ memcpy(result->fixed.ssid, bi->SSID, bi->SSID_len);
+ result->fixed.ssid[bi->SSID_len] = '\0';
+ channel = wf_chspec_ctlchan(bi->chanspec);
+ result->fixed.channel = wf_channel2mhz(channel,
+ (channel <= CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ result->fixed.rssi = (int32) bi->RSSI;
+ result->fixed.rtt = 0;
+ result->fixed.rtt_sd = 0;
+ osl_get_monotonic_boottime(&ts);
+ result->fixed.ts = (uint64) TIMESPEC_TO_US(ts);
+ result->fixed.beacon_period = dtoh16(bi->beacon_period);
+ result->fixed.capability = dtoh16(bi->capability);
+ result->ie_length = bi_ie_length;
+ memcpy(&result->fixed.macaddr, &bi->BSSID, ETHER_ADDR_LEN);
+ memcpy(result->ie_data, ((uint8 *)bi + bi_ie_offset), bi_ie_length);
+ *size = mem_needed;
+exit:
+ return result;
+}
+
+void *
+dhd_pno_process_epno_result(dhd_pub_t *dhd, const void *data, uint32 event, int *size)
+{
+ dhd_epno_results_t *results = NULL;
+ dhd_pno_status_info_t *_pno_state = PNO_GET_PNOSTATE(dhd);
+ struct dhd_pno_gscan_params *gscan_params;
+ uint32 count, mem_needed = 0, i;
+ uint8 ssid[DOT11_MAX_SSID_LEN + 1];
+ struct ether_addr *bssid;
+
+ *size = 0;
+ if (!_pno_state)
+ return NULL;
+ gscan_params = &(_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan);
+
+ if (event == WLC_E_PFN_NET_FOUND || event == WLC_E_PFN_NET_LOST) {
+ wl_pfn_scanresults_v1_t *pfn_result = (wl_pfn_scanresults_v1_t *)data;
+ wl_pfn_scanresults_v2_t *pfn_result_v2 = (wl_pfn_scanresults_v2_t *)data;
+ wl_pfn_net_info_v1_t *net;
+ wl_pfn_net_info_v2_t *net_v2;
+
+ if (pfn_result->version == PFN_SCANRESULT_VERSION_V1) {
+ if ((pfn_result->count == 0) || (pfn_result->count > EVENT_MAX_NETCNT_V1)) {
+ DHD_ERROR(("%s event %d: wrong pfn v1 results count %d\n",
+ __FUNCTION__, event, pfn_result->count));
+ return NULL;
+ }
+ count = pfn_result->count;
+ mem_needed = sizeof(dhd_epno_results_t) * count;
+ results = (dhd_epno_results_t *)MALLOC(dhd->osh, mem_needed);
+ if (!results) {
+ DHD_ERROR(("%s: Can't malloc %d bytes for results\n", __FUNCTION__,
+ mem_needed));
+ return NULL;
+ }
+ for (i = 0; i < count; i++) {
+ net = &pfn_result->netinfo[i];
+ results[i].rssi = net->RSSI;
+ results[i].channel = wf_channel2mhz(net->pfnsubnet.channel,
+ (net->pfnsubnet.channel <= CH_MAX_2G_CHANNEL ?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ results[i].flags = (event == WLC_E_PFN_NET_FOUND) ?
+ WL_PFN_SSID_EXT_FOUND: WL_PFN_SSID_EXT_LOST;
+ results[i].ssid_len = min(net->pfnsubnet.SSID_len,
+ (uint8)DOT11_MAX_SSID_LEN);
+ bssid = &results[i].bssid;
+ memcpy(bssid, &net->pfnsubnet.BSSID, ETHER_ADDR_LEN);
+ if (!net->pfnsubnet.SSID_len) {
+ DHD_ERROR(("%s: Gscan results indexing is not"
+ " supported in version 1 \n", __FUNCTION__));
+ MFREE(dhd->osh, results, mem_needed);
+ return NULL;
+ } else {
+ memcpy(results[i].ssid, net->pfnsubnet.SSID,
+ results[i].ssid_len);
+ }
+ memcpy(ssid, results[i].ssid, results[i].ssid_len);
+ ssid[results[i].ssid_len] = '\0';
+ DHD_PNO(("ssid - %s bssid "MACDBG" ch %d rssi %d flags %d\n",
+ ssid, MAC2STRDBG(bssid->octet), results[i].channel,
+ results[i].rssi, results[i].flags));
+ }
+ } else if (pfn_result_v2->version == PFN_SCANRESULT_VERSION_V2) {
+ if ((pfn_result->count == 0) || (pfn_result->count > EVENT_MAX_NETCNT_V2)) {
+ DHD_ERROR(("%s event %d: wrong pfn v2 results count %d\n",
+ __FUNCTION__, event, pfn_result->count));
+ return NULL;
+ }
+ count = pfn_result_v2->count;
+ mem_needed = sizeof(dhd_epno_results_t) * count;
+ results = (dhd_epno_results_t *)MALLOC(dhd->osh, mem_needed);
+ if (!results) {
+ DHD_ERROR(("%s: Can't malloc %d bytes for results\n", __FUNCTION__,
+ mem_needed));
+ return NULL;
+ }
+ for (i = 0; i < count; i++) {
+ net_v2 = &pfn_result_v2->netinfo[i];
+ results[i].rssi = net_v2->RSSI;
+ results[i].channel = wf_channel2mhz(net_v2->pfnsubnet.channel,
+ (net_v2->pfnsubnet.channel <= CH_MAX_2G_CHANNEL ?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ results[i].flags = (event == WLC_E_PFN_NET_FOUND) ?
+ WL_PFN_SSID_EXT_FOUND: WL_PFN_SSID_EXT_LOST;
+ results[i].ssid_len = min(net_v2->pfnsubnet.SSID_len,
+ (uint8)DOT11_MAX_SSID_LEN);
+ bssid = &results[i].bssid;
+ memcpy(bssid, &net_v2->pfnsubnet.BSSID, ETHER_ADDR_LEN);
+ if (!net_v2->pfnsubnet.SSID_len) {
+ dhd_pno_idx_to_ssid(gscan_params, &results[i],
+ net_v2->pfnsubnet.u.index);
+ } else {
+ memcpy(results[i].ssid, net_v2->pfnsubnet.u.SSID,
+ results[i].ssid_len);
+ }
+ memcpy(ssid, results[i].ssid, results[i].ssid_len);
+ ssid[results[i].ssid_len] = '\0';
+ DHD_PNO(("ssid - %s bssid "MACDBG" ch %d rssi %d flags %d\n",
+ ssid, MAC2STRDBG(bssid->octet), results[i].channel,
+ results[i].rssi, results[i].flags));
+ }
+ } else {
+ DHD_ERROR(("%s event %d: Incorrect version %d , not supported\n",
+ __FUNCTION__, event, pfn_result->version));
+ return NULL;
+ }
+ }
+ *size = mem_needed;
+ return results;
+}
+
+void *
+dhd_handle_hotlist_scan_evt(dhd_pub_t *dhd, const void *event_data,
+ int *send_evt_bytes, hotlist_type_t type, u32 *buf_len)
+{
+ void *ptr = NULL;
+ dhd_pno_status_info_t *_pno_state = PNO_GET_PNOSTATE(dhd);
+ struct dhd_pno_gscan_params *gscan_params;
+ wl_pfn_scanresults_v1_t *results_v1 = (wl_pfn_scanresults_v1_t *)event_data;
+ wl_pfn_scanresults_v2_t *results_v2 = (wl_pfn_scanresults_v2_t *)event_data;
+ wifi_gscan_result_t *hotlist_found_array;
+ wl_pfn_net_info_v1_t *pnetinfo;
+ wl_pfn_net_info_v2_t *pnetinfo_v2;
+ gscan_results_cache_t *gscan_hotlist_cache;
+ u32 malloc_size = 0, i, total = 0;
+ struct osl_timespec tm_spec;
+ uint16 fwstatus;
+ uint16 fwcount;
+
+ /* Static asserts in _dhd_pno_get_for_batch() above guarantee the v1 and v2
+ * net_info and subnet_info structures are compatible in size and SSID offset,
+ * allowing v1 to be safely used in the code below except for lscanresults
+ * fields themselves (status, count, offset to netinfo).
+ */
+
+ *buf_len = 0;
+ if (results_v1->version == PFN_SCANRESULTS_VERSION_V1) {
+ fwstatus = results_v1->status;
+ fwcount = results_v1->count;
+ pnetinfo = &results_v1->netinfo[0];
+
+ gscan_params = &(_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan);
+
+ if (!fwcount || (fwcount > EVENT_MAX_NETCNT_V1)) {
+ DHD_ERROR(("%s: wrong v1 fwcount:%d\n", __FUNCTION__, fwcount));
+ *send_evt_bytes = 0;
+ return ptr;
+ }
+
+ osl_get_monotonic_boottime(&tm_spec);
+ malloc_size = sizeof(gscan_results_cache_t) +
+ ((fwcount - 1) * sizeof(wifi_gscan_result_t));
+ gscan_hotlist_cache = (gscan_results_cache_t *)MALLOC(dhd->osh, malloc_size);
+ if (!gscan_hotlist_cache) {
+ DHD_ERROR(("%s Cannot Malloc %d bytes!!\n", __FUNCTION__, malloc_size));
+ *send_evt_bytes = 0;
+ return ptr;
+ }
+
+ *buf_len = malloc_size;
+ if (type == HOTLIST_FOUND) {
+ gscan_hotlist_cache->next = gscan_params->gscan_hotlist_found;
+ gscan_params->gscan_hotlist_found = gscan_hotlist_cache;
+ DHD_PNO(("%s enter, FOUND results count %d\n", __FUNCTION__, fwcount));
+ } else {
+ gscan_hotlist_cache->next = gscan_params->gscan_hotlist_lost;
+ gscan_params->gscan_hotlist_lost = gscan_hotlist_cache;
+ DHD_PNO(("%s enter, LOST results count %d\n", __FUNCTION__, fwcount));
+ }
+
+ gscan_hotlist_cache->tot_count = fwcount;
+ gscan_hotlist_cache->tot_consumed = 0;
+
+ for (i = 0; i < fwcount; i++, pnetinfo++) {
+ hotlist_found_array = &gscan_hotlist_cache->results[i];
+ memset(hotlist_found_array, 0, sizeof(wifi_gscan_result_t));
+ hotlist_found_array->channel = wf_channel2mhz(pnetinfo->pfnsubnet.channel,
+ (pnetinfo->pfnsubnet.channel <= CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ hotlist_found_array->rssi = (int32) pnetinfo->RSSI;
+
+ hotlist_found_array->ts =
+ convert_fw_rel_time_to_systime(&tm_spec,
+ (pnetinfo->timestamp * 1000));
+ if (pnetinfo->pfnsubnet.SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("Invalid SSID length %d: trimming it to max\n",
+ pnetinfo->pfnsubnet.SSID_len));
+ pnetinfo->pfnsubnet.SSID_len = DOT11_MAX_SSID_LEN;
+ }
+ memcpy(hotlist_found_array->ssid, pnetinfo->pfnsubnet.SSID,
+ pnetinfo->pfnsubnet.SSID_len);
+ hotlist_found_array->ssid[pnetinfo->pfnsubnet.SSID_len] = '\0';
+
+ memcpy(&hotlist_found_array->macaddr, &pnetinfo->pfnsubnet.BSSID,
+ ETHER_ADDR_LEN);
+ DHD_PNO(("\t%s "MACDBG" rssi %d\n",
+ hotlist_found_array->ssid,
+ MAC2STRDBG(hotlist_found_array->macaddr.octet),
+ hotlist_found_array->rssi));
+ }
+ } else if (results_v2->version == PFN_SCANRESULTS_VERSION_V2) {
+ fwstatus = results_v2->status;
+ fwcount = results_v2->count;
+ pnetinfo_v2 = (wl_pfn_net_info_v2_t*)&results_v2->netinfo[0];
+
+ gscan_params = &(_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS].params_gscan);
+
+ if (!fwcount || (fwcount > EVENT_MAX_NETCNT_V2)) {
+ DHD_ERROR(("%s: wrong v2 fwcount:%d\n", __FUNCTION__, fwcount));
+ *send_evt_bytes = 0;
+ return ptr;
+ }
+
+ osl_get_monotonic_boottime(&tm_spec);
+ malloc_size = sizeof(gscan_results_cache_t) +
+ ((fwcount - 1) * sizeof(wifi_gscan_result_t));
+ gscan_hotlist_cache =
+ (gscan_results_cache_t *)MALLOC(dhd->osh, malloc_size);
+ if (!gscan_hotlist_cache) {
+ DHD_ERROR(("%s Cannot Malloc %d bytes!!\n", __FUNCTION__, malloc_size));
+ *send_evt_bytes = 0;
+ return ptr;
+ }
+ *buf_len = malloc_size;
+ if (type == HOTLIST_FOUND) {
+ gscan_hotlist_cache->next = gscan_params->gscan_hotlist_found;
+ gscan_params->gscan_hotlist_found = gscan_hotlist_cache;
+ DHD_PNO(("%s enter, FOUND results count %d\n", __FUNCTION__, fwcount));
+ } else {
+ gscan_hotlist_cache->next = gscan_params->gscan_hotlist_lost;
+ gscan_params->gscan_hotlist_lost = gscan_hotlist_cache;
+ DHD_PNO(("%s enter, LOST results count %d\n", __FUNCTION__, fwcount));
+ }
+
+ gscan_hotlist_cache->tot_count = fwcount;
+ gscan_hotlist_cache->tot_consumed = 0;
+ gscan_hotlist_cache->scan_ch_bucket = results_v2->scan_ch_bucket;
+
+ for (i = 0; i < fwcount; i++, pnetinfo_v2++) {
+ hotlist_found_array = &gscan_hotlist_cache->results[i];
+ memset(hotlist_found_array, 0, sizeof(wifi_gscan_result_t));
+ hotlist_found_array->channel =
+ wf_channel2mhz(pnetinfo_v2->pfnsubnet.channel,
+ (pnetinfo_v2->pfnsubnet.channel <= CH_MAX_2G_CHANNEL?
+ WF_CHAN_FACTOR_2_4_G : WF_CHAN_FACTOR_5_G));
+ hotlist_found_array->rssi = (int32) pnetinfo_v2->RSSI;
+
+ hotlist_found_array->ts =
+ convert_fw_rel_time_to_systime(&tm_spec,
+ (pnetinfo_v2->timestamp * 1000));
+ if (pnetinfo_v2->pfnsubnet.SSID_len > DOT11_MAX_SSID_LEN) {
+ DHD_ERROR(("Invalid SSID length %d: trimming it to max\n",
+ pnetinfo_v2->pfnsubnet.SSID_len));
+ pnetinfo_v2->pfnsubnet.SSID_len = DOT11_MAX_SSID_LEN;
+ }
+ memcpy(hotlist_found_array->ssid, pnetinfo_v2->pfnsubnet.u.SSID,
+ pnetinfo_v2->pfnsubnet.SSID_len);
+ hotlist_found_array->ssid[pnetinfo_v2->pfnsubnet.SSID_len] = '\0';
+
+ memcpy(&hotlist_found_array->macaddr, &pnetinfo_v2->pfnsubnet.BSSID,
+ ETHER_ADDR_LEN);
+ DHD_PNO(("\t%s "MACDBG" rssi %d\n",
+ hotlist_found_array->ssid,
+ MAC2STRDBG(hotlist_found_array->macaddr.octet),
+ hotlist_found_array->rssi));
+ }
+ } else {
+ DHD_ERROR(("%s: event version %d not supported\n",
+ __FUNCTION__, results_v1->version));
+ *send_evt_bytes = 0;
+ return ptr;
+ }
+ if (fwstatus == PFN_COMPLETE) {
+ ptr = (void *) gscan_hotlist_cache;
+ while (gscan_hotlist_cache) {
+ total += gscan_hotlist_cache->tot_count;
+ gscan_hotlist_cache = gscan_hotlist_cache->next;
+ }
+ *send_evt_bytes = total * sizeof(wifi_gscan_result_t);
+ }
+
+ return ptr;
+}
+#endif /* GSCAN_SUPPORT */
+
+int
+dhd_pno_event_handler(dhd_pub_t *dhd, wl_event_msg_t *event, void *event_data)
+{
+ int err = BCME_OK;
+ uint event_type;
+ dhd_pno_status_info_t *_pno_state;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ NULL_CHECK(dhd->pno_state, "pno_state is NULL", err);
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ if (!WLS_SUPPORTED(_pno_state)) {
+ DHD_ERROR(("%s : wifi location service is not supported\n", __FUNCTION__));
+ err = BCME_UNSUPPORTED;
+ goto exit;
+ }
+ event_type = ntoh32(event->event_type);
+ DHD_PNO(("%s enter : event_type :%d\n", __FUNCTION__, event_type));
+ switch (event_type) {
+ case WLC_E_PFN_BSSID_NET_FOUND:
+ case WLC_E_PFN_BSSID_NET_LOST:
+ /* TODO : need to implement event logic using generic netlink */
+ break;
+ case WLC_E_PFN_BEST_BATCHING:
+#ifndef GSCAN_SUPPORT
+ {
+ struct dhd_pno_batch_params *params_batch;
+ params_batch = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS].params_batch;
+ if (!waitqueue_active(&_pno_state->get_batch_done.wait)) {
+ DHD_PNO(("%s : WLC_E_PFN_BEST_BATCHING\n", __FUNCTION__));
+ params_batch->get_batch.buf = NULL;
+ params_batch->get_batch.bufsize = 0;
+ params_batch->get_batch.reason = PNO_STATUS_EVENT;
+ schedule_work(&_pno_state->work);
+ } else
+ DHD_PNO(("%s : WLC_E_PFN_BEST_BATCHING"
+ "will skip this event\n", __FUNCTION__));
+ break;
+ }
+#else
+ break;
+#endif /* !GSCAN_SUPPORT */
+ default:
+ DHD_ERROR(("unknown event : %d\n", event_type));
+ }
+exit:
+ return err;
+}
+
+int dhd_pno_init(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ dhd_pno_status_info_t *_pno_state;
+ char *buf = NULL;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ UNUSED_PARAMETER(_dhd_pno_suspend);
+ if (dhd->pno_state)
+ goto exit;
+ dhd->pno_state = MALLOC(dhd->osh, sizeof(dhd_pno_status_info_t));
+ NULL_CHECK(dhd->pno_state, "failed to create dhd_pno_state", err);
+ memset(dhd->pno_state, 0, sizeof(dhd_pno_status_info_t));
+ /* need to check whether current firmware support batching and hotlist scan */
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ _pno_state->wls_supported = TRUE;
+ _pno_state->dhd = dhd;
+ mutex_init(&_pno_state->pno_mutex);
+ INIT_WORK(&_pno_state->work, _dhd_pno_get_batch_handler);
+ init_completion(&_pno_state->get_batch_done);
+#ifdef GSCAN_SUPPORT
+ init_waitqueue_head(&_pno_state->batch_get_wait);
+#endif /* GSCAN_SUPPORT */
+ buf = MALLOC(dhd->osh, WLC_IOCTL_SMLEN);
+ if (!buf) {
+ DHD_ERROR((":%s buf alloc err.\n", __FUNCTION__));
+ return BCME_NOMEM;
+ }
+ err = dhd_iovar(dhd, 0, "pfnlbest", NULL, 0, buf, WLC_IOCTL_SMLEN,
+ FALSE);
+ if (err == BCME_UNSUPPORTED) {
+ _pno_state->wls_supported = FALSE;
+ DHD_INFO(("Current firmware doesn't support"
+ " Android Location Service\n"));
+ } else {
+ DHD_ERROR(("%s: Support Android Location Service\n",
+ __FUNCTION__));
+ }
+exit:
+ MFREE(dhd->osh, buf, WLC_IOCTL_SMLEN);
+ return err;
+}
+
+int dhd_pno_deinit(dhd_pub_t *dhd)
+{
+ int err = BCME_OK;
+ dhd_pno_status_info_t *_pno_state;
+ dhd_pno_params_t *_params;
+ NULL_CHECK(dhd, "dhd is NULL", err);
+
+ DHD_PNO(("%s enter\n", __FUNCTION__));
+ _pno_state = PNO_GET_PNOSTATE(dhd);
+ NULL_CHECK(_pno_state, "pno_state is NULL", err);
+ /* may need to free legacy ssid_list */
+ if (_pno_state->pno_mode & DHD_PNO_LEGACY_MODE) {
+ _params = &_pno_state->pno_params_arr[INDEX_OF_LEGACY_PARAMS];
+ _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_LEGACY_MODE);
+ }
+
+#ifdef GSCAN_SUPPORT
+ if (_pno_state->pno_mode & DHD_PNO_GSCAN_MODE) {
+ _params = &_pno_state->pno_params_arr[INDEX_OF_GSCAN_PARAMS];
+ mutex_lock(&_pno_state->pno_mutex);
+ dhd_pno_reset_cfg_gscan(dhd, _params, _pno_state, GSCAN_FLUSH_ALL_CFG);
+ mutex_unlock(&_pno_state->pno_mutex);
+ }
+#endif /* GSCAN_SUPPORT */
+
+ if (_pno_state->pno_mode & DHD_PNO_BATCH_MODE) {
+ _params = &_pno_state->pno_params_arr[INDEX_OF_BATCH_PARAMS];
+ /* clear resource if the BATCH MODE is on */
+ _dhd_pno_reinitialize_prof(dhd, _params, DHD_PNO_BATCH_MODE);
+ }
+ cancel_work_sync(&_pno_state->work);
+ MFREE(dhd->osh, _pno_state, sizeof(dhd_pno_status_info_t));
+ dhd->pno_state = NULL;
+ return err;
+}
+#endif /* PNO_SUPPORT */
projects / GitHub / LineageOS / G12 / android_hardware_amlogic_kernel-modules_dhd-driver.git / blobdiff