#include "decl.h"
#include "dev.h"
#include "scan.h"
+#include "join.h"
//! Approximate amount of data needed to pass a scan result back to iwlist
#define MAX_SCAN_CELL_SIZE (IW_EV_ADDR_LEN \
* be changed to passive on a per channel basis if restricted by
* regulatory requirements (11d or 11h)
*/
- scantype = adapter->scantype;
+ scantype = CMD_SCAN_TYPE_ACTIVE;
for (rgnidx = 0; rgnidx < ARRAY_SIZE(adapter->region_channel); rgnidx++) {
if (priv->adapter->enable11d &&
- adapter->connect_status != libertas_connected) {
+ adapter->connect_status != LIBERTAS_CONNECTED) {
/* Scan all the supported chan for the first scan */
if (!adapter->universal_channel[rgnidx].valid)
continue;
case BAND_G:
default:
scanchanlist[chanidx].radiotype =
- cmd_scan_radio_type_bg;
+ CMD_SCAN_RADIO_TYPE_BG;
break;
}
- if (scantype == cmd_scan_type_passive) {
+ if (scantype == CMD_SCAN_TYPE_PASSIVE) {
scanchanlist[chanidx].maxscantime =
cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
scanchanlist[chanidx].chanscanmode.passivescan =
}
}
+
+/* Delayed partial scan worker */
+void libertas_scan_worker(struct work_struct *work)
+{
+ wlan_private *priv = container_of(work, wlan_private, scan_work.work);
+
+ wlan_scan_networks(priv, NULL, 0);
+}
+
+
/**
* @brief Construct a wlan_scan_cmd_config structure to use in issue scan cmds
*
u8 * pfilteredscan,
u8 * pscancurrentonly)
{
- wlan_adapter *adapter = priv->adapter;
struct mrvlietypes_numprobes *pnumprobestlv;
struct mrvlietypes_ssidparamset *pssidtlv;
struct wlan_scan_cmd_config * pscancfgout = NULL;
*pscancurrentonly = 0;
if (puserscanin) {
-
/* Set the bss type scan filter, use adapter setting if unset */
pscancfgout->bsstype =
- (puserscanin->bsstype ? puserscanin->bsstype : adapter->
- scanmode);
+ puserscanin->bsstype ? puserscanin->bsstype : CMD_BSS_TYPE_ANY;
/* Set the number of probes to send, use adapter setting if unset */
- numprobes = (puserscanin->numprobes ? puserscanin->numprobes :
- adapter->scanprobes);
+ numprobes = puserscanin->numprobes ? puserscanin->numprobes : 0;
/*
* Set the BSSID filter to the incoming configuration,
*pfilteredscan = 1;
}
} else {
- pscancfgout->bsstype = adapter->scanmode;
- numprobes = adapter->scanprobes;
+ pscancfgout->bsstype = CMD_BSS_TYPE_ANY;
+ numprobes = 0;
}
/* If the input config or adapter has the number of Probes set, add tlv */
*/
*ppchantlvout = (struct mrvlietypes_chanlistparamset *) ptlvpos;
- if (puserscanin && puserscanin->chanlist[0].channumber) {
-
- lbs_deb_scan("Scan: Using supplied channel list\n");
+ if (!puserscanin || !puserscanin->chanlist[0].channumber) {
+ /* Create a default channel scan list */
+ lbs_deb_scan("Scan: Creating full region channel list\n");
+ wlan_scan_create_channel_list(priv, pscanchanlist,
+ *pfilteredscan);
+ goto out;
+ }
- for (chanidx = 0;
- chanidx < WLAN_IOCTL_USER_SCAN_CHAN_MAX
- && puserscanin->chanlist[chanidx].channumber; chanidx++) {
+ lbs_deb_scan("Scan: Using supplied channel list\n");
+ for (chanidx = 0;
+ chanidx < WLAN_IOCTL_USER_SCAN_CHAN_MAX
+ && puserscanin->chanlist[chanidx].channumber; chanidx++) {
- channel = puserscanin->chanlist[chanidx].channumber;
- (pscanchanlist + chanidx)->channumber = channel;
+ channel = puserscanin->chanlist[chanidx].channumber;
+ (pscanchanlist + chanidx)->channumber = channel;
- radiotype = puserscanin->chanlist[chanidx].radiotype;
- (pscanchanlist + chanidx)->radiotype = radiotype;
+ radiotype = puserscanin->chanlist[chanidx].radiotype;
+ (pscanchanlist + chanidx)->radiotype = radiotype;
- scantype = puserscanin->chanlist[chanidx].scantype;
+ scantype = puserscanin->chanlist[chanidx].scantype;
- if (scantype == cmd_scan_type_passive) {
- (pscanchanlist +
- chanidx)->chanscanmode.passivescan = 1;
- } else {
- (pscanchanlist +
- chanidx)->chanscanmode.passivescan = 0;
- }
+ if (scantype == CMD_SCAN_TYPE_PASSIVE) {
+ (pscanchanlist +
+ chanidx)->chanscanmode.passivescan = 1;
+ } else {
+ (pscanchanlist +
+ chanidx)->chanscanmode.passivescan = 0;
+ }
- if (puserscanin->chanlist[chanidx].scantime) {
- scandur =
- puserscanin->chanlist[chanidx].scantime;
+ if (puserscanin->chanlist[chanidx].scantime) {
+ scandur = puserscanin->chanlist[chanidx].scantime;
+ } else {
+ if (scantype == CMD_SCAN_TYPE_PASSIVE) {
+ scandur = MRVDRV_PASSIVE_SCAN_CHAN_TIME;
} else {
- if (scantype == cmd_scan_type_passive) {
- scandur = MRVDRV_PASSIVE_SCAN_CHAN_TIME;
- } else {
- scandur = MRVDRV_ACTIVE_SCAN_CHAN_TIME;
- }
+ scandur = MRVDRV_ACTIVE_SCAN_CHAN_TIME;
}
-
- (pscanchanlist + chanidx)->minscantime =
- cpu_to_le16(scandur);
- (pscanchanlist + chanidx)->maxscantime =
- cpu_to_le16(scandur);
}
- /* Check if we are only scanning the current channel */
- if ((chanidx == 1) && (puserscanin->chanlist[0].channumber
- ==
- priv->adapter->curbssparams.channel)) {
- *pscancurrentonly = 1;
- lbs_deb_scan("Scan: Scanning current channel only");
- }
+ (pscanchanlist + chanidx)->minscantime =
+ cpu_to_le16(scandur);
+ (pscanchanlist + chanidx)->maxscantime =
+ cpu_to_le16(scandur);
+ }
- } else {
- lbs_deb_scan("Scan: Creating full region channel list\n");
- wlan_scan_create_channel_list(priv, pscanchanlist,
- *pfilteredscan);
+ /* Check if we are only scanning the current channel */
+ if ((chanidx == 1) &&
+ (puserscanin->chanlist[0].channumber ==
+ priv->adapter->curbssparams.channel)) {
+ *pscancurrentonly = 1;
+ lbs_deb_scan("Scan: Scanning current channel only");
}
out:
while (tlvidx < maxchanperscan && ptmpchan->channumber
&& !doneearly && scanned < 2) {
- lbs_deb_scan(
- "Scan: Chan(%3d), Radio(%d), mode(%d,%d), Dur(%d)\n",
- ptmpchan->channumber, ptmpchan->radiotype,
- ptmpchan->chanscanmode.passivescan,
- ptmpchan->chanscanmode.disablechanfilt,
- ptmpchan->maxscantime);
+ lbs_deb_scan("Scan: Chan(%3d), Radio(%d), mode(%d,%d), "
+ "Dur(%d)\n",
+ ptmpchan->channumber, ptmpchan->radiotype,
+ ptmpchan->chanscanmode.passivescan,
+ ptmpchan->chanscanmode.disablechanfilt,
+ ptmpchan->maxscantime);
/* Copy the current channel TLV to the command being prepared */
memcpy(pchantlvout->chanscanparam + tlvidx,
}
/* Send the scan command to the firmware with the specified cfg */
- ret = libertas_prepare_and_send_command(priv, cmd_802_11_scan, 0,
+ ret = libertas_prepare_and_send_command(priv, CMD_802_11_SCAN, 0,
0, 0, pscancfgout);
if (scanned >= 2 && !full_scan) {
ret = 0;
done:
priv->adapter->last_scanned_channel = ptmpchan->channumber;
- /* Tell userspace the scan table has been updated */
- memset(&wrqu, 0, sizeof(union iwreq_data));
- wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+ if (priv->adapter->last_scanned_channel) {
+ /* Schedule the next part of the partial scan */
+ if (!full_scan && !priv->adapter->surpriseremoved) {
+ cancel_delayed_work(&priv->scan_work);
+ queue_delayed_work(priv->work_thread, &priv->scan_work,
+ msecs_to_jiffies(300));
+ }
+ } else {
+ /* All done, tell userspace the scan table has been updated */
+ memset(&wrqu, 0, sizeof(union iwreq_data));
+ wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+ }
lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
return ret;
* @return 0 or < 0 if error
*/
int wlan_scan_networks(wlan_private * priv,
- const struct wlan_ioctl_user_scan_cfg * puserscanin,
- int full_scan)
+ const struct wlan_ioctl_user_scan_cfg * puserscanin,
+ int full_scan)
{
wlan_adapter * adapter = priv->adapter;
struct mrvlietypes_chanlistparamset *pchantlvout;
int i = 0;
#endif
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ /* Cancel any partial outstanding partial scans if this scan
+ * is a full scan.
+ */
+ if (full_scan && delayed_work_pending(&priv->scan_work))
+ cancel_delayed_work(&priv->scan_work);
scan_chan_list = kzalloc(sizeof(struct chanscanparamset) *
WLAN_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
if (!scancurrentchanonly) {
netif_stop_queue(priv->dev);
netif_carrier_off(priv->dev);
- netif_stop_queue(priv->mesh_dev);
- netif_carrier_off(priv->mesh_dev);
+ if (priv->mesh_dev) {
+ netif_stop_queue(priv->mesh_dev);
+ netif_carrier_off(priv->mesh_dev);
+ }
}
ret = wlan_scan_channel_list(priv,
mutex_unlock(&adapter->lock);
#endif
- if (priv->adapter->connect_status == libertas_connected) {
+ if (priv->adapter->connect_status == LIBERTAS_CONNECTED) {
netif_carrier_on(priv->dev);
netif_wake_queue(priv->dev);
- netif_carrier_on(priv->mesh_dev);
- netif_wake_queue(priv->mesh_dev);
+ if (priv->mesh_dev) {
+ netif_carrier_on(priv->mesh_dev);
+ netif_wake_queue(priv->mesh_dev);
+ }
}
out:
return ret;
}
-/**
- * @brief Inspect the scan response buffer for pointers to expected TLVs
- *
- * TLVs can be included at the end of the scan response BSS information.
- * Parse the data in the buffer for pointers to TLVs that can potentially
- * be passed back in the response
- *
- * @param ptlv Pointer to the start of the TLV buffer to parse
- * @param tlvbufsize size of the TLV buffer
- * @param ptsftlv Output parameter: Pointer to the TSF TLV if found
- *
- * @return void
- */
-static
-void wlan_ret_802_11_scan_get_tlv_ptrs(struct mrvlietypes_data * ptlv,
- int tlvbufsize,
- struct mrvlietypes_tsftimestamp ** ptsftlv)
-{
- struct mrvlietypes_data *pcurrenttlv;
- int tlvbufleft;
- u16 tlvtype;
- u16 tlvlen;
-
- pcurrenttlv = ptlv;
- tlvbufleft = tlvbufsize;
- *ptsftlv = NULL;
-
- lbs_deb_scan("SCAN_RESP: tlvbufsize = %d\n", tlvbufsize);
- lbs_dbg_hex("SCAN_RESP: TLV Buf", (u8 *) ptlv, tlvbufsize);
-
- while (tlvbufleft >= sizeof(struct mrvlietypesheader)) {
- tlvtype = le16_to_cpu(pcurrenttlv->header.type);
- tlvlen = le16_to_cpu(pcurrenttlv->header.len);
-
- switch (tlvtype) {
- case TLV_TYPE_TSFTIMESTAMP:
- *ptsftlv = (struct mrvlietypes_tsftimestamp *) pcurrenttlv;
- break;
-
- default:
- lbs_deb_scan("SCAN_RESP: Unhandled TLV = %d\n",
- tlvtype);
- /* Give up, this seems corrupted */
- return;
- } /* switch */
-
- tlvbufleft -= (sizeof(ptlv->header) + tlvlen);
- pcurrenttlv =
- (struct mrvlietypes_data *) (pcurrenttlv->Data + tlvlen);
- } /* while */
-}
-
/**
* @brief Interpret a BSS scan response returned from the firmware
*
struct ieeetypes_dsparamset *pDS;
struct ieeetypes_cfparamset *pCF;
struct ieeetypes_ibssparamset *pibss;
- u8 *pos, *end;
- u8 *pRate;
- u8 bytestocopy;
- u8 ratesize;
- u16 beaconsize;
- u8 founddatarateie;
- int ret;
-
struct ieeetypes_countryinfoset *pcountryinfo;
+ u8 *pos, *end, *p;
+ u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
+ u16 beaconsize = 0;
+ int ret;
lbs_deb_enter(LBS_DEB_ASSOC);
- founddatarateie = 0;
- ratesize = 0;
- beaconsize = 0;
-
if (*bytesleft >= sizeof(beaconsize)) {
/* Extract & convert beacon size from the command buffer */
beaconsize = le16_to_cpup((void *)*pbeaconinfo);
pos++;
/* time stamp is 8 bytes long */
- bss->timestamp = le64_to_cpup((void *) pos);
pos += 8;
/* beacon interval is 2 bytes long */
/* rest of the current buffer are IE's */
lbs_deb_scan("process_bss: IE length for this AP = %zd\n", end - pos);
- lbs_dbg_hex("process_bss: IE info", pos, end - pos);
+ lbs_deb_hex(LBS_DEB_SCAN, "process_bss: IE info", pos, end - pos);
/* process variable IE */
while (pos <= end - 2) {
break;
case MFIE_TYPE_RATES:
- memcpy(bss->datarates, elem->data, elem->len);
- memmove(bss->libertas_supported_rates, elem->data,
- elem->len);
- ratesize = elem->len;
- founddatarateie = 1;
+ n_basic_rates = min_t(u8, MAX_RATES, elem->len);
+ memcpy(bss->rates, elem->data, n_basic_rates);
+ got_basic_rates = 1;
break;
case MFIE_TYPE_FH_SET:
memcpy(&bss->countryinfo,
pcountryinfo, pcountryinfo->len + 2);
- lbs_dbg_hex("process_bss: 11D- CountryInfo:",
+ lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo",
(u8 *) pcountryinfo,
(u32) (pcountryinfo->len + 2));
break;
* already found. Data rate IE should come before
* extended supported rate IE
*/
- if (!founddatarateie)
+ if (!got_basic_rates)
break;
- if ((elem->len + ratesize) > WLAN_SUPPORTED_RATES) {
- bytestocopy =
- (WLAN_SUPPORTED_RATES - ratesize);
- } else {
- bytestocopy = elem->len;
- }
+ n_ex_rates = elem->len;
+ if (n_basic_rates + n_ex_rates > MAX_RATES)
+ n_ex_rates = MAX_RATES - n_basic_rates;
- pRate = (u8 *) bss->datarates;
- pRate += ratesize;
- memmove(pRate, elem->data, bytestocopy);
- pRate = (u8 *) bss->libertas_supported_rates;
- pRate += ratesize;
- memmove(pRate, elem->data, bytestocopy);
+ p = bss->rates + n_basic_rates;
+ memcpy(p, elem->data, n_ex_rates);
break;
case MFIE_TYPE_GENERIC:
bss->wpa_ie_len = min(elem->len + 2,
MAX_WPA_IE_LEN);
memcpy(bss->wpa_ie, elem, bss->wpa_ie_len);
- lbs_dbg_hex("process_bss: WPA IE", bss->wpa_ie,
+ lbs_deb_hex(LBS_DEB_SCAN, "process_bss: WPA IE", bss->wpa_ie,
elem->len);
} else if (elem->len >= MARVELL_MESH_IE_LENGTH &&
elem->data[0] == 0x00 &&
case MFIE_TYPE_RSN:
bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
memcpy(bss->rsn_ie, elem, bss->rsn_ie_len);
- lbs_dbg_hex("process_bss: RSN_IE", bss->rsn_ie, elem->len);
+ lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE", bss->rsn_ie, elem->len);
break;
default:
/* Timestamp */
bss->last_scanned = jiffies;
+ libertas_unset_basic_rate_flags(bss->rates, sizeof(bss->rates));
ret = 0;
if (!bssid)
return NULL;
- lbs_dbg_hex("libertas_find_BSSID_in_list: looking for ",
+ lbs_deb_hex(LBS_DEB_SCAN, "looking for",
bssid, ETH_ALEN);
/* Look through the scan table for a compatible match. The loop will
*
* @return index in BSSID list
*/
-struct bss_descriptor * libertas_find_best_ssid_in_list(wlan_adapter * adapter,
+static struct bss_descriptor * libertas_find_best_ssid_in_list(wlan_adapter * adapter,
u8 mode)
{
u8 bestrssi = 0;
lbs_deb_enter(LBS_DEB_SCAN);
- wlan_scan_networks(priv, NULL, 0);
+ if (!delayed_work_pending(&priv->scan_work)) {
+ queue_delayed_work(priv->work_thread, &priv->scan_work,
+ msecs_to_jiffies(50));
+ }
if (adapter->surpriseremoved)
return -1;
return ret;
}
-/**
- * @brief scan an AP with specific BSSID
- *
- * @param priv A pointer to wlan_private structure
- * @param bssid A pointer to AP's bssid
- * @param keeppreviousscan Flag used to save/clear scan table before scan
- *
- * @return 0-success, otherwise fail
- */
-int libertas_send_specific_bssid_scan(wlan_private * priv, u8 * bssid, u8 clear_bssid)
-{
- struct wlan_ioctl_user_scan_cfg scancfg;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (bssid == NULL)
- goto out;
-
- memset(&scancfg, 0x00, sizeof(scancfg));
- memcpy(scancfg.bssid, bssid, ETH_ALEN);
- scancfg.clear_bssid = clear_bssid;
-
- wlan_scan_networks(priv, &scancfg, 1);
- if (priv->adapter->surpriseremoved)
- return -1;
- wait_event_interruptible(priv->adapter->cmd_pending,
- !priv->adapter->nr_cmd_pending);
-
-out:
- lbs_deb_leave(LBS_DEB_ASSOC);
- return 0;
-}
+#define MAX_CUSTOM_LEN 64
static inline char *libertas_translate_scan(wlan_private *priv,
char *start, char *stop,
iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = 0;
- for (j = 0; j < sizeof(bss->libertas_supported_rates); j++) {
- u8 rate = bss->libertas_supported_rates[j];
- if (rate == 0)
- break; /* no more rates */
- /* Bit rate given in 500 kb/s units (+ 0x80) */
- iwe.u.bitrate.value = (rate & 0x7f) * 500000;
+ for (j = 0; bss->rates[j] && (j < sizeof(bss->rates)); j++) {
+ /* Bit rate given in 500 kb/s units */
+ iwe.u.bitrate.value = bss->rates[j] * 500000;
current_val = iwe_stream_add_value(start, current_val,
stop, &iwe, IW_EV_PARAM_LEN);
}
start = iwe_stream_add_point(start, stop, &iwe, buf);
}
+ if (bss->mesh) {
+ char custom[MAX_CUSTOM_LEN];
+ char *p = custom;
+
+ iwe.cmd = IWEVCUSTOM;
+ p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
+ "mesh-type: olpc");
+ iwe.u.data.length = p - custom;
+ if (iwe.u.data.length)
+ start = iwe_stream_add_point(start, stop, &iwe, custom);
+ }
+
return start;
}
lbs_deb_enter(LBS_DEB_ASSOC);
- /* If we've got an uncompleted scan, schedule the next part */
- if (!adapter->nr_cmd_pending && adapter->last_scanned_channel)
- wlan_scan_networks(priv, NULL, 0);
-
/* Update RSSI if current BSS is a locally created ad-hoc BSS */
if ((adapter->mode == IW_MODE_ADHOC) && adapter->adhoccreate) {
- libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0,
- cmd_option_waitforrsp, 0, NULL);
+ libertas_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+ CMD_OPTION_WAITFORRSP, 0, NULL);
}
mutex_lock(&adapter->lock);
memcpy(pscan->bssid, pscancfg->bssid, ETH_ALEN);
memcpy(pscan->tlvbuffer, pscancfg->tlvbuffer, pscancfg->tlvbufferlen);
- cmd->command = cpu_to_le16(cmd_802_11_scan);
+ cmd->command = cpu_to_le16(CMD_802_11_SCAN);
/* size is equal to the sizeof(fixed portions) + the TLV len + header */
cmd->size = cpu_to_le16(sizeof(pscan->bsstype) + ETH_ALEN
{
wlan_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_scan_rsp *pscan;
- struct mrvlietypes_data *ptlv;
- struct mrvlietypes_tsftimestamp *ptsftlv;
struct bss_descriptor * iter_bss;
struct bss_descriptor * safe;
u8 *pbssinfo;
+ sizeof(pscan->nr_sets)
+ S_DS_GEN);
- ptlv = (struct mrvlietypes_data *) (pscan->bssdesc_and_tlvbuffer + bytesleft);
-
- /* Search the TLV buffer space in the scan response for any valid TLVs */
- wlan_ret_802_11_scan_get_tlv_ptrs(ptlv, tlvbufsize, &ptsftlv);
-
/*
* Process each scan response returned (pscan->nr_sets). Save
* the information in the newbssentry and then insert into the
new.bssid[0], new.bssid[1], new.bssid[2],
new.bssid[3], new.bssid[4], new.bssid[5]);
- /*
- * If the TSF TLV was appended to the scan results, save the
- * this entries TSF value in the networktsf field. The
- * networktsf is the firmware's TSF value at the time the
- * beacon or probe response was received.
- */
- if (ptsftlv) {
- new.networktsf = le64_to_cpup(&ptsftlv->tsftable[idx]);
- }
-
/* Copy the locally created newbssentry to the scan table */
memcpy(found, &new, offsetof(struct bss_descriptor, list));
}
projects / linux-2.6-omap-h63xx.git / blobdiff