* IOCTL handlers as well as command preperation and response routines
* for sending scan commands to the firmware.
*/
-#include <linux/ctype.h>
-#include <linux/if.h>
-#include <linux/netdevice.h>
-#include <linux/wireless.h>
#include <linux/etherdevice.h>
-
-#include <net/ieee80211.h>
-#include <net/iw_handler.h>
-
#include <asm/unaligned.h>
#include "host.h"
#include "decl.h"
#include "dev.h"
#include "scan.h"
-#include "join.h"
+#include "cmd.h"
//! Approximate amount of data needed to pass a scan result back to iwlist
#define MAX_SCAN_CELL_SIZE (IW_EV_ADDR_LEN \
//! Memory needed to store a max number/size SSID TLV for a firmware scan
#define SSID_TLV_MAX_SIZE (1 * sizeof(struct mrvlietypes_ssidparamset))
-//! Maximum memory needed for a lbs_scan_cmd_config with all TLVs at max
-#define MAX_SCAN_CFG_ALLOC (sizeof(struct lbs_scan_cmd_config) \
- + CHAN_TLV_MAX_SIZE \
- + SSID_TLV_MAX_SIZE)
+//! Maximum memory needed for a cmd_ds_802_11_scan with all TLVs at max
+#define MAX_SCAN_CFG_ALLOC (sizeof(struct cmd_ds_802_11_scan) \
+ + CHAN_TLV_MAX_SIZE + SSID_TLV_MAX_SIZE)
//! The maximum number of channels the firmware can scan per command
#define MRVDRV_MAX_CHANNELS_PER_SCAN 14
//! Scan time specified in the channel TLV for each channel for active scans
#define MRVDRV_ACTIVE_SCAN_CHAN_TIME 100
-static const u8 zeromac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-static const u8 bcastmac[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
-
-
+static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
+ struct cmd_header *resp);
/*********************************************************************/
/* */
/* */
/*********************************************************************/
-static inline void clear_bss_descriptor (struct bss_descriptor * bss)
+/**
+ * @brief Unsets the MSB on basic rates
+ *
+ * Scan through an array and unset the MSB for basic data rates.
+ *
+ * @param rates buffer of data rates
+ * @param len size of buffer
+ */
+static void lbs_unset_basic_rate_flags(u8 *rates, size_t len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ rates[i] &= 0x7f;
+}
+
+
+static inline void clear_bss_descriptor(struct bss_descriptor *bss)
{
/* Don't blow away ->list, just BSS data */
memset(bss, 0, offsetof(struct bss_descriptor, list));
*
* @return 0: ssid is same, otherwise is different
*/
-int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
+int lbs_ssid_cmp(uint8_t *ssid1, uint8_t ssid1_len, uint8_t *ssid2,
+ uint8_t ssid2_len)
{
if (ssid1_len != ssid2_len)
return -1;
return memcmp(ssid1, ssid2, ssid1_len);
}
-static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
- struct bss_descriptor * match_bss)
-{
- if ( !secinfo->wep_enabled
- && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
- && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
- && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
- return 1;
- }
- return 0;
-}
-
-static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor * match_bss)
-{
- if ( secinfo->wep_enabled
- && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
- return 1;
- }
- return 0;
-}
-
-static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
- struct bss_descriptor * match_bss)
-{
- if ( !secinfo->wep_enabled
- && secinfo->WPAenabled
- && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
- */
- ) {
- return 1;
- }
- return 0;
-}
-
-static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
- struct bss_descriptor * match_bss)
-{
- if ( !secinfo->wep_enabled
- && secinfo->WPA2enabled
- && (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
- */
- ) {
- return 1;
- }
- return 0;
-}
-
-static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor * match_bss)
-{
- if ( !secinfo->wep_enabled
- && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
- && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
- return 1;
- }
- return 0;
-}
-
static inline int is_same_network(struct bss_descriptor *src,
struct bss_descriptor *dst)
{
!memcmp(src->ssid, dst->ssid, src->ssid_len));
}
-/**
- * @brief Check if a scanned network compatible with the driver settings
- *
- * WEP WPA WPA2 ad-hoc encrypt Network
- * enabled enabled enabled AES mode privacy WPA WPA2 Compatible
- * 0 0 0 0 NONE 0 0 0 yes No security
- * 1 0 0 0 NONE 1 0 0 yes Static WEP
- * 0 1 0 0 x 1x 1 x yes WPA
- * 0 0 1 0 x 1x x 1 yes WPA2
- * 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES
- * 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
- *
- *
- * @param priv A pointer to struct lbs_private
- * @param index Index in scantable to check against current driver settings
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return Index in scantable, or error code if negative
- */
-static int is_network_compatible(struct lbs_private *priv,
- struct bss_descriptor * bss, u8 mode)
-{
- int matched = 0;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (bss->mode != mode)
- goto done;
-
- if ((matched = match_bss_no_security(&priv->secinfo, bss))) {
- goto done;
- } else if ((matched = match_bss_static_wep(&priv->secinfo, bss))) {
- goto done;
- } else if ((matched = match_bss_wpa(&priv->secinfo, bss))) {
- lbs_deb_scan(
- "is_network_compatible() WPA: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- } else if ((matched = match_bss_wpa2(&priv->secinfo, bss))) {
- lbs_deb_scan(
- "is_network_compatible() WPA2: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- } else if ((matched = match_bss_dynamic_wep(&priv->secinfo, bss))) {
- lbs_deb_scan(
- "is_network_compatible() dynamic WEP: "
- "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
-
- /* bss security settings don't match those configured on card */
- lbs_deb_scan(
- "is_network_compatible() FAILED: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
-
-done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
- return matched;
-}
-
/* */
/*********************************************************************/
-void lbs_scan_worker(struct work_struct *work)
-{
- struct lbs_private *priv =
- container_of(work, struct lbs_private, scan_work.work);
-
- lbs_deb_enter(LBS_DEB_SCAN);
- lbs_scan_networks(priv, NULL, 0);
- lbs_deb_leave(LBS_DEB_SCAN);
-}
-
-
/**
* @brief Create a channel list for the driver to scan based on region info
*
*
* @param priv A pointer to struct lbs_private structure
* @param scanchanlist Output parameter: resulting channel list to scan
- * @param filteredscan Flag indicating whether or not a BSSID or SSID filter
- * is being sent in the command to firmware. Used to
- * increase the number of channels sent in a scan
- * command and to disable the firmware channel scan
- * filter.
*
* @return void
*/
static int lbs_scan_create_channel_list(struct lbs_private *priv,
- struct chanscanparamset * scanchanlist,
- u8 filteredscan)
+ struct chanscanparamset *scanchanlist)
{
-
struct region_channel *scanregion;
struct chan_freq_power *cfp;
int rgnidx;
int chanidx;
int nextchan;
- u8 scantype;
+ uint8_t scantype;
chanidx = 0;
scantype = CMD_SCAN_TYPE_ACTIVE;
for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) {
- if (priv->enable11d &&
- (priv->connect_status != LBS_CONNECTED) &&
- (priv->mesh_connect_status != LBS_CONNECTED)) {
+ if (priv->enable11d && (priv->connect_status != LBS_CONNECTED)
+ && (priv->mesh_connect_status != LBS_CONNECTED)) {
/* Scan all the supported chan for the first scan */
if (!priv->universal_channel[rgnidx].valid)
continue;
scanregion = &priv->region_channel[rgnidx];
}
- for (nextchan = 0;
- nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
+ for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
+ struct chanscanparamset *chan = &scanchanlist[chanidx];
cfp = scanregion->CFP + nextchan;
- if (priv->enable11d) {
- scantype =
- lbs_get_scan_type_11d(cfp->channel,
- &priv->
- parsed_region_chan);
- }
+ if (priv->enable11d)
+ scantype = lbs_get_scan_type_11d(cfp->channel,
+ &priv->parsed_region_chan);
- switch (scanregion->band) {
- case BAND_B:
- case BAND_G:
- default:
- scanchanlist[chanidx].radiotype =
- CMD_SCAN_RADIO_TYPE_BG;
- break;
- }
+ if (scanregion->band == BAND_B || scanregion->band == BAND_G)
+ chan->radiotype = CMD_SCAN_RADIO_TYPE_BG;
if (scantype == CMD_SCAN_TYPE_PASSIVE) {
- scanchanlist[chanidx].maxscantime =
- cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
- scanchanlist[chanidx].chanscanmode.passivescan =
- 1;
+ chan->maxscantime = cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
+ chan->chanscanmode.passivescan = 1;
} else {
- scanchanlist[chanidx].maxscantime =
- cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
- scanchanlist[chanidx].chanscanmode.passivescan =
- 0;
+ chan->maxscantime = cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
+ chan->chanscanmode.passivescan = 0;
}
- scanchanlist[chanidx].channumber = cfp->channel;
-
- if (filteredscan) {
- scanchanlist[chanidx].chanscanmode.
- disablechanfilt = 1;
- }
+ chan->channumber = cfp->channel;
}
}
return chanidx;
}
-
/*
* Add SSID TLV of the form:
*
* length 06 00
* ssid 4d 4e 54 45 53 54
*/
-static int lbs_scan_add_ssid_tlv(u8 *tlv,
- const struct lbs_ioctl_user_scan_cfg *user_cfg)
+static int lbs_scan_add_ssid_tlv(struct lbs_private *priv, u8 *tlv)
{
- struct mrvlietypes_ssidparamset *ssid_tlv =
- (struct mrvlietypes_ssidparamset *)tlv;
+ struct mrvlietypes_ssidparamset *ssid_tlv = (void *)tlv;
+
ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
- ssid_tlv->header.len = cpu_to_le16(user_cfg->ssid_len);
- memcpy(ssid_tlv->ssid, user_cfg->ssid, user_cfg->ssid_len);
- return sizeof(ssid_tlv->header) + user_cfg->ssid_len;
+ ssid_tlv->header.len = cpu_to_le16(priv->scan_ssid_len);
+ memcpy(ssid_tlv->ssid, priv->scan_ssid, priv->scan_ssid_len);
+ return sizeof(ssid_tlv->header) + priv->scan_ssid_len;
}
-
/*
* Add CHANLIST TLV of the form
*
* channel 13 00 0d 00 00 00 64 00
*
*/
-static int lbs_scan_add_chanlist_tlv(u8 *tlv,
- struct chanscanparamset *chan_list,
- int chan_count)
+static int lbs_scan_add_chanlist_tlv(uint8_t *tlv,
+ struct chanscanparamset *chan_list,
+ int chan_count)
{
- size_t size = sizeof(struct chanscanparamset) * chan_count;
- struct mrvlietypes_chanlistparamset *chan_tlv =
- (struct mrvlietypes_chanlistparamset *) tlv;
+ size_t size = sizeof(struct chanscanparamset) *chan_count;
+ struct mrvlietypes_chanlistparamset *chan_tlv = (void *)tlv;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
memcpy(chan_tlv->chanscanparam, chan_list, size);
return sizeof(chan_tlv->header) + size;
}
-
/*
* Add RATES TLV of the form
*
* The rates are in lbs_bg_rates[], but for the 802.11b
* rates the high bit isn't set.
*/
-static int lbs_scan_add_rates_tlv(u8 *tlv)
+static int lbs_scan_add_rates_tlv(uint8_t *tlv)
{
int i;
- struct mrvlietypes_ratesparamset *rate_tlv =
- (struct mrvlietypes_ratesparamset *) tlv;
+ struct mrvlietypes_ratesparamset *rate_tlv = (void *)tlv;
rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
tlv += sizeof(rate_tlv->header);
return sizeof(rate_tlv->header) + i;
}
-
/*
* Generate the CMD_802_11_SCAN command with the proper tlv
* for a bunch of channels.
*/
-static int lbs_do_scan(struct lbs_private *priv,
- u8 bsstype,
- struct chanscanparamset *chan_list,
- int chan_count,
- const struct lbs_ioctl_user_scan_cfg *user_cfg)
+static int lbs_do_scan(struct lbs_private *priv, uint8_t bsstype,
+ struct chanscanparamset *chan_list, int chan_count)
{
int ret = -ENOMEM;
- struct lbs_scan_cmd_config *scan_cmd;
- u8 *tlv; /* pointer into our current, growing TLV storage area */
+ struct cmd_ds_802_11_scan *scan_cmd;
+ uint8_t *tlv; /* pointer into our current, growing TLV storage area */
- lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, "
- "chan_count %d",
- bsstype, chan_list[0].channumber, chan_count);
+ lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, chan_count %d",
+ bsstype, chan_list ? chan_list[0].channumber : -1,
+ chan_count);
/* create the fixed part for scan command */
scan_cmd = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL);
if (scan_cmd == NULL)
goto out;
+
tlv = scan_cmd->tlvbuffer;
- if (user_cfg)
- memcpy(scan_cmd->bssid, user_cfg->bssid, ETH_ALEN);
+ /* TODO: do we need to scan for a specific BSSID?
+ memcpy(scan_cmd->bssid, priv->scan_bssid, ETH_ALEN); */
scan_cmd->bsstype = bsstype;
/* add TLVs */
- if (user_cfg && user_cfg->ssid_len)
- tlv += lbs_scan_add_ssid_tlv(tlv, user_cfg);
+ if (priv->scan_ssid_len)
+ tlv += lbs_scan_add_ssid_tlv(priv, tlv);
if (chan_list && chan_count)
tlv += lbs_scan_add_chanlist_tlv(tlv, chan_list, chan_count);
tlv += lbs_scan_add_rates_tlv(tlv);
/* This is the final data we are about to send */
- scan_cmd->tlvbufferlen = tlv - scan_cmd->tlvbuffer;
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd, 1+6);
+ scan_cmd->hdr.size = cpu_to_le16(tlv - (uint8_t *)scan_cmd);
+ lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd,
+ sizeof(*scan_cmd));
lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer,
- scan_cmd->tlvbufferlen);
+ tlv - scan_cmd->tlvbuffer);
+
+ ret = __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr,
+ le16_to_cpu(scan_cmd->hdr.size),
+ lbs_ret_80211_scan, 0);
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, 0,
- CMD_OPTION_WAITFORRSP, 0, scan_cmd);
out:
kfree(scan_cmd);
lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
return ret;
}
-
/**
* @brief Internal function used to start a scan based on an input config
*
- * Also used from debugfs
- *
* Use the input user scan configuration information when provided in
* order to send the appropriate scan commands to firmware to populate or
* update the internal driver scan table
*
* @param priv A pointer to struct lbs_private structure
- * @param puserscanin Pointer to the input configuration for the requested
- * scan.
+ * @param full_scan Do a full-scan (blocking)
*
* @return 0 or < 0 if error
*/
-int lbs_scan_networks(struct lbs_private *priv,
- const struct lbs_ioctl_user_scan_cfg *user_cfg,
- int full_scan)
+int lbs_scan_networks(struct lbs_private *priv, int full_scan)
{
int ret = -ENOMEM;
struct chanscanparamset *chan_list;
struct chanscanparamset *curr_chans;
int chan_count;
- u8 bsstype = CMD_BSS_TYPE_ANY;
+ uint8_t bsstype = CMD_BSS_TYPE_ANY;
int numchannels = MRVDRV_CHANNELS_PER_SCAN_CMD;
- int filteredscan = 0;
union iwreq_data wrqu;
#ifdef CONFIG_LIBERTAS_DEBUG
struct bss_descriptor *iter;
DECLARE_MAC_BUF(mac);
#endif
- lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d",
- full_scan);
+ lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_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);
- /* Determine same scan parameters */
+ /* User-specified bsstype or channel list
+ TODO: this can be implemented if some user-space application
+ need the feature. Formerly, it was accessible from debugfs,
+ but then nowhere used.
if (user_cfg) {
if (user_cfg->bsstype)
- bsstype = user_cfg->bsstype;
- if (compare_ether_addr(user_cfg->bssid, &zeromac[0]) != 0) {
- numchannels = MRVDRV_MAX_CHANNELS_PER_SCAN;
- filteredscan = 1;
- }
- }
- lbs_deb_scan("numchannels %d, bsstype %d, "
- "filteredscan %d\n",
- numchannels, bsstype, filteredscan);
+ bsstype = user_cfg->bsstype;
+ } */
+
+ lbs_deb_scan("numchannels %d, bsstype %d\n", numchannels, bsstype);
/* Create list of channels to scan */
chan_list = kzalloc(sizeof(struct chanscanparamset) *
- LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
+ LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
if (!chan_list) {
lbs_pr_alert("SCAN: chan_list empty\n");
goto out;
}
/* We want to scan all channels */
- chan_count = lbs_scan_create_channel_list(priv, chan_list,
- filteredscan);
+ chan_count = lbs_scan_create_channel_list(priv, chan_list);
netif_stop_queue(priv->dev);
netif_carrier_off(priv->dev);
if (priv->mesh_dev) {
- netif_stop_queue(priv->mesh_dev);
- netif_carrier_off(priv->mesh_dev);
+ netif_stop_queue(priv->mesh_dev);
+ netif_carrier_off(priv->mesh_dev);
}
/* Prepare to continue an interrupted scan */
- lbs_deb_scan("chan_count %d, last_scanned_channel %d\n",
- chan_count, priv->last_scanned_channel);
+ lbs_deb_scan("chan_count %d, scan_channel %d\n",
+ chan_count, priv->scan_channel);
curr_chans = chan_list;
/* advance channel list by already-scanned-channels */
- if (priv->last_scanned_channel > 0) {
- curr_chans += priv->last_scanned_channel;
- chan_count -= priv->last_scanned_channel;
+ if (priv->scan_channel > 0) {
+ curr_chans += priv->scan_channel;
+ chan_count -= priv->scan_channel;
}
/* Send scan command(s)
while (chan_count) {
int to_scan = min(numchannels, chan_count);
lbs_deb_scan("scanning %d of %d channels\n",
- to_scan, chan_count);
+ to_scan, chan_count);
ret = lbs_do_scan(priv, bsstype, curr_chans,
- to_scan, user_cfg);
+ to_scan);
if (ret) {
lbs_pr_err("SCAN_CMD failed\n");
goto out2;
chan_count -= to_scan;
/* somehow schedule the next part of the scan */
- if (chan_count &&
- !full_scan &&
+ if (chan_count && !full_scan &&
!priv->surpriseremoved) {
/* -1 marks just that we're currently scanning */
- if (priv->last_scanned_channel < 0)
- priv->last_scanned_channel = to_scan;
+ if (priv->scan_channel < 0)
+ priv->scan_channel = to_scan;
else
- priv->last_scanned_channel += to_scan;
+ priv->scan_channel += to_scan;
cancel_delayed_work(&priv->scan_work);
queue_delayed_work(priv->work_thread, &priv->scan_work,
- msecs_to_jiffies(300));
+ msecs_to_jiffies(300));
/* skip over GIWSCAN event */
goto out;
}
lbs_deb_scan("scan table:\n");
list_for_each_entry(iter, &priv->network_list, list)
lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n",
- i++, print_mac(mac, iter->bssid), (s32) iter->rssi,
- escape_essid(iter->ssid, iter->ssid_len));
+ i++, print_mac(mac, iter->bssid), iter->rssi,
+ escape_essid(iter->ssid, iter->ssid_len));
mutex_unlock(&priv->lock);
#endif
out2:
- priv->last_scanned_channel = 0;
+ priv->scan_channel = 0;
out:
if (priv->connect_status == LBS_CONNECTED) {
netif_carrier_on(priv->dev);
- netif_wake_queue(priv->dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
}
if (priv->mesh_dev && (priv->mesh_connect_status == LBS_CONNECTED)) {
netif_carrier_on(priv->mesh_dev);
- netif_wake_queue(priv->mesh_dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->mesh_dev);
}
kfree(chan_list);
return ret;
}
+void lbs_scan_worker(struct work_struct *work)
+{
+ struct lbs_private *priv =
+ container_of(work, struct lbs_private, scan_work.work);
+ lbs_deb_enter(LBS_DEB_SCAN);
+ lbs_scan_networks(priv, 0);
+ lbs_deb_leave(LBS_DEB_SCAN);
+}
/*********************************************************************/
* @return 0 or -1
*/
static int lbs_process_bss(struct bss_descriptor *bss,
- u8 ** pbeaconinfo, int *bytesleft)
+ uint8_t **pbeaconinfo, int *bytesleft)
{
struct ieeetypes_fhparamset *pFH;
struct ieeetypes_dsparamset *pDS;
struct ieeetypes_ibssparamset *pibss;
DECLARE_MAC_BUF(mac);
struct ieeetypes_countryinfoset *pcountryinfo;
- u8 *pos, *end, *p;
- u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
- u16 beaconsize = 0;
+ uint8_t *pos, *end, *p;
+ uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
+ uint16_t beaconsize = 0;
int ret;
lbs_deb_enter(LBS_DEB_SCAN);
if (*bytesleft >= sizeof(beaconsize)) {
/* Extract & convert beacon size from the command buffer */
- beaconsize = le16_to_cpu(get_unaligned((__le16 *)*pbeaconinfo));
+ beaconsize = get_unaligned_le16(*pbeaconinfo);
*bytesleft -= sizeof(beaconsize);
*pbeaconinfo += sizeof(beaconsize);
}
pos += 8;
/* beacon interval is 2 bytes long */
- bss->beaconperiod = le16_to_cpup((void *) pos);
+ bss->beaconperiod = get_unaligned_le16(pos);
pos += 2;
/* capability information is 2 bytes long */
- bss->capability = le16_to_cpup((void *) pos);
+ bss->capability = get_unaligned_le16(pos);
lbs_deb_scan("process_bss: capabilities 0x%04x\n", bss->capability);
pos += 2;
/* process variable IE */
while (pos <= end - 2) {
- struct ieee80211_info_element * elem =
- (struct ieee80211_info_element *) pos;
+ struct ieee80211_info_element * elem = (void *)pos;
if (pos + elem->len > end) {
lbs_deb_scan("process_bss: error in processing IE, "
- "bytes left < IE length\n");
+ "bytes left < IE length\n");
break;
}
break;
case MFIE_TYPE_RATES:
- n_basic_rates = min_t(u8, MAX_RATES, elem->len);
+ n_basic_rates = min_t(uint8_t, MAX_RATES, elem->len);
memcpy(bss->rates, elem->data, n_basic_rates);
got_basic_rates = 1;
lbs_deb_scan("got RATES IE\n");
lbs_deb_scan("got COUNTRY IE\n");
if (pcountryinfo->len < sizeof(pcountryinfo->countrycode)
|| pcountryinfo->len > 254) {
- lbs_deb_scan("process_bss: 11D- Err "
- "CountryInfo len %d, min %zd, max 254\n",
- pcountryinfo->len,
- sizeof(pcountryinfo->countrycode));
+ lbs_deb_scan("process_bss: 11D- Err CountryInfo len %d, min %zd, max 254\n",
+ pcountryinfo->len, sizeof(pcountryinfo->countrycode));
ret = -1;
goto done;
}
- memcpy(&bss->countryinfo,
- pcountryinfo, pcountryinfo->len + 2);
+ memcpy(&bss->countryinfo, pcountryinfo, pcountryinfo->len + 2);
lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo",
- (u8 *) pcountryinfo,
- (u32) (pcountryinfo->len + 2));
+ (uint8_t *) pcountryinfo,
+ (int) (pcountryinfo->len + 2));
break;
case MFIE_TYPE_RATES_EX:
case MFIE_TYPE_GENERIC:
if (elem->len >= 4 &&
- elem->data[0] == 0x00 &&
- elem->data[1] == 0x50 &&
- elem->data[2] == 0xf2 &&
- elem->data[3] == 0x01) {
- bss->wpa_ie_len = min(elem->len + 2,
- MAX_WPA_IE_LEN);
+ elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
+ elem->data[2] == 0xf2 && elem->data[3] == 0x01) {
+ bss->wpa_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
memcpy(bss->wpa_ie, elem, bss->wpa_ie_len);
lbs_deb_scan("got WPA IE\n");
- lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie,
- elem->len);
+ lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, elem->len);
} else if (elem->len >= MARVELL_MESH_IE_LENGTH &&
- elem->data[0] == 0x00 &&
- elem->data[1] == 0x50 &&
- elem->data[2] == 0x43 &&
- elem->data[3] == 0x04) {
+ elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
+ elem->data[2] == 0x43 && elem->data[3] == 0x04) {
lbs_deb_scan("got mesh IE\n");
bss->mesh = 1;
} else {
- lbs_deb_scan("got generiec IE: "
- "%02x:%02x:%02x:%02x, len %d\n",
+ lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n",
elem->data[0], elem->data[1],
elem->data[2], elem->data[3],
elem->len);
bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
memcpy(bss->rsn_ie, elem, bss->rsn_ie_len);
lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE",
- bss->rsn_ie, elem->len);
+ bss->rsn_ie, elem->len);
break;
default:
lbs_deb_scan("got IE 0x%04x, len %d\n",
- elem->id, elem->len);
+ elem->id, elem->len);
break;
}
return ret;
}
-/**
- * @brief This function finds a specific compatible BSSID in the scan list
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @param bssid BSSID to find in the scan list
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return index in BSSID list, or error return code (< 0)
- */
-struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
- u8 * bssid, u8 mode)
-{
- struct bss_descriptor * iter_bss;
- struct bss_descriptor * found_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (!bssid)
- goto out;
-
- lbs_deb_hex(LBS_DEB_SCAN, "looking for",
- bssid, ETH_ALEN);
-
- /* Look through the scan table for a compatible match. The loop will
- * continue past a matched bssid that is not compatible in case there
- * is an AP with multiple SSIDs assigned to the same BSSID
- */
- mutex_lock(&priv->lock);
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- if (compare_ether_addr(iter_bss->bssid, bssid))
- continue; /* bssid doesn't match */
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- found_bss = iter_bss;
- break;
- default:
- found_bss = iter_bss;
- break;
- }
- }
- mutex_unlock(&priv->lock);
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-/**
- * @brief This function finds ssid in ssid list.
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @param ssid SSID to find in the list
- * @param bssid BSSID to qualify the SSID selection (if provided)
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return index in BSSID list
- */
-struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
- u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
- int channel)
-{
- u8 bestrssi = 0;
- struct bss_descriptor * iter_bss = NULL;
- struct bss_descriptor * found_bss = NULL;
- struct bss_descriptor * tmp_oldest = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- if ( !tmp_oldest
- || (iter_bss->last_scanned < tmp_oldest->last_scanned))
- tmp_oldest = iter_bss;
-
- if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
- ssid, ssid_len) != 0)
- continue; /* ssid doesn't match */
- if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
- continue; /* bssid doesn't match */
- if ((channel > 0) && (iter_bss->channel != channel))
- continue; /* channel doesn't match */
-
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
-
- if (bssid) {
- /* Found requested BSSID */
- found_bss = iter_bss;
- goto out;
- }
-
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- }
- }
-
-out:
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-/**
- * @brief This function finds the best SSID in the Scan List
- *
- * Search the scan table for the best SSID that also matches the current
- * adapter network preference (infrastructure or adhoc)
- *
- * @param priv A pointer to struct lbs_private
- *
- * @return index in BSSID list
- */
-static struct bss_descriptor *lbs_find_best_ssid_in_list(
- struct lbs_private *priv,
- u8 mode)
-{
- u8 bestrssi = 0;
- struct bss_descriptor * iter_bss;
- struct bss_descriptor * best_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- }
- }
-
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
- return best_bss;
-}
-
-/**
- * @brief Find the AP with specific ssid in the scan list
- *
- * Used from association worker.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param pSSID A pointer to AP's ssid
- *
- * @return 0--success, otherwise--fail
- */
-int lbs_find_best_network_ssid(struct lbs_private *priv,
- u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode)
-{
- int ret = -1;
- struct bss_descriptor * found;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- lbs_scan_networks(priv, NULL, 1);
- if (priv->surpriseremoved)
- goto out;
-
- found = lbs_find_best_ssid_in_list(priv, preferred_mode);
- if (found && (found->ssid_len > 0)) {
- memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
- *out_ssid_len = found->ssid_len;
- *out_mode = found->mode;
- ret = 0;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-
/**
* @brief Send a scan command for all available channels filtered on a spec
*
* @param priv A pointer to struct lbs_private structure
* @param ssid A pointer to the SSID to scan for
* @param ssid_len Length of the SSID
- * @param clear_ssid Should existing scan results with this SSID
- * be cleared?
*
* @return 0-success, otherwise fail
*/
-int lbs_send_specific_ssid_scan(struct lbs_private *priv,
- u8 *ssid, u8 ssid_len, u8 clear_ssid)
+int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid,
+ uint8_t ssid_len)
{
- struct lbs_ioctl_user_scan_cfg scancfg;
int ret = 0;
- lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s', clear %d",
- escape_essid(ssid, ssid_len), clear_ssid);
+ lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s'\n",
+ escape_essid(ssid, ssid_len));
if (!ssid_len)
goto out;
- memset(&scancfg, 0x00, sizeof(scancfg));
- memcpy(scancfg.ssid, ssid, ssid_len);
- scancfg.ssid_len = ssid_len;
- scancfg.clear_ssid = clear_ssid;
+ memcpy(priv->scan_ssid, ssid, ssid_len);
+ priv->scan_ssid_len = ssid_len;
- lbs_scan_networks(priv, &scancfg, 1);
+ lbs_scan_networks(priv, 1);
if (priv->surpriseremoved) {
ret = -1;
goto out;
#define MAX_CUSTOM_LEN 64
static inline char *lbs_translate_scan(struct lbs_private *priv,
- char *start, char *stop,
- struct bss_descriptor *bss)
+ char *start, char *stop,
+ struct bss_descriptor *bss)
{
struct chan_freq_power *cfp;
char *current_val; /* For rates */
struct iw_event iwe; /* Temporary buffer */
int j;
-#define PERFECT_RSSI ((u8)50)
-#define WORST_RSSI ((u8)0)
-#define RSSI_DIFF ((u8)(PERFECT_RSSI - WORST_RSSI))
- u8 rssi;
+#define PERFECT_RSSI ((uint8_t)50)
+#define WORST_RSSI ((uint8_t)0)
+#define RSSI_DIFF ((uint8_t)(PERFECT_RSSI - WORST_RSSI))
+ uint8_t rssi;
lbs_deb_enter(LBS_DEB_SCAN);
/* SSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
- iwe.u.data.length = min((u32) bss->ssid_len, (u32) IW_ESSID_MAX_SIZE);
+ iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IW_ESSID_MAX_SIZE);
start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
/* Mode */
rssi = iwe.u.qual.level - MRVDRV_NF_DEFAULT_SCAN_VALUE;
iwe.u.qual.qual =
- (100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
- (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
- (RSSI_DIFF * RSSI_DIFF);
+ (100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
+ (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
+ (RSSI_DIFF * RSSI_DIFF);
if (iwe.u.qual.qual > 100)
iwe.u.qual.qual = 100;
if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
} else {
- iwe.u.qual.noise =
- CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
+ iwe.u.qual.noise = CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
}
/* Locally created ad-hoc BSSs won't have beacons if this is the
* only station in the adhoc network; so get signal strength
* from receive statistics.
*/
- if ((priv->mode == IW_MODE_ADHOC)
- && priv->adhoccreate
+ if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate
&& !lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- bss->ssid, bss->ssid_len)) {
+ priv->curbssparams.ssid_len,
+ bss->ssid, bss->ssid_len)) {
int snr, nf;
snr = priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
current_val = iwe_stream_add_value(start, current_val,
stop, &iwe, IW_EV_PARAM_LEN);
}
- if ((bss->mode == IW_MODE_ADHOC)
+ if ((bss->mode == IW_MODE_ADHOC) && priv->adhoccreate
&& !lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- bss->ssid, bss->ssid_len)
- && priv->adhoccreate) {
+ priv->curbssparams.ssid_len,
+ bss->ssid, bss->ssid_len)) {
iwe.u.bitrate.value = 22 * 500000;
current_val = iwe_stream_add_value(start, current_val,
- stop, &iwe, IW_EV_PARAM_LEN);
+ stop, &iwe, IW_EV_PARAM_LEN);
}
/* Check if we added any event */
if((current_val - start) > IW_EV_LCP_LEN)
char *p = custom;
iwe.cmd = IWEVCUSTOM;
- p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
- "mesh-type: olpc");
+ p += snprintf(p, MAX_CUSTOM_LEN, "mesh-type: olpc");
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(start, stop, &iwe, custom);
* @return 0 --success, otherwise fail
*/
int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
- struct iw_param *wrqu, char *extra)
+ union iwreq_data *wrqu, char *extra)
{
struct lbs_private *priv = dev->priv;
+ int ret = 0;
- lbs_deb_enter(LBS_DEB_SCAN);
+ lbs_deb_enter(LBS_DEB_WEXT);
- if (!netif_running(dev))
- return -ENETDOWN;
+ if (!netif_running(dev)) {
+ ret = -ENETDOWN;
+ goto out;
+ }
/* mac80211 does this:
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_IF_TYPE_xxx)
- return -EOPNOTSUPP;
+ if (sdata->type != IEEE80211_IF_TYPE_xxx) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+ */
if (wrqu->data.length == sizeof(struct iw_scan_req) &&
wrqu->data.flags & IW_SCAN_THIS_ESSID) {
- req = (struct iw_scan_req *)extra;
- ssid = req->essid;
- ssid_len = req->essid_len;
+ struct iw_scan_req *req = (struct iw_scan_req *)extra;
+ priv->scan_ssid_len = req->essid_len;
+ memcpy(priv->scan_ssid, req->essid, priv->scan_ssid_len);
+ lbs_deb_wext("set_scan, essid '%s'\n",
+ escape_essid(priv->scan_ssid, priv->scan_ssid_len));
+ } else {
+ priv->scan_ssid_len = 0;
}
- */
if (!delayed_work_pending(&priv->scan_work))
queue_delayed_work(priv->work_thread, &priv->scan_work,
- msecs_to_jiffies(50));
+ msecs_to_jiffies(50));
/* set marker that currently a scan is taking place */
- priv->last_scanned_channel = -1;
+ priv->scan_channel = -1;
if (priv->surpriseremoved)
- return -EIO;
+ ret = -EIO;
- lbs_deb_leave(LBS_DEB_SCAN);
- return 0;
+out:
+ lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+ return ret;
}
* @return 0 --success, otherwise fail
*/
int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
- struct iw_point *dwrq, char *extra)
+ struct iw_point *dwrq, char *extra)
{
#define SCAN_ITEM_SIZE 128
struct lbs_private *priv = dev->priv;
int err = 0;
char *ev = extra;
char *stop = ev + dwrq->length;
- struct bss_descriptor * iter_bss;
- struct bss_descriptor * safe;
+ struct bss_descriptor *iter_bss;
+ struct bss_descriptor *safe;
- lbs_deb_enter(LBS_DEB_SCAN);
+ lbs_deb_enter(LBS_DEB_WEXT);
/* iwlist should wait until the current scan is finished */
- if (priv->last_scanned_channel)
+ if (priv->scan_channel)
return -EAGAIN;
/* Update RSSI if current BSS is a locally created ad-hoc BSS */
- if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) {
+ if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate)
lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
- CMD_OPTION_WAITFORRSP, 0, NULL);
- }
+ CMD_OPTION_WAITFORRSP, 0, NULL);
mutex_lock(&priv->lock);
list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
- char * next_ev;
+ char *next_ev;
unsigned long stale_time;
if (stop - ev < SCAN_ITEM_SIZE) {
/* Prune old an old scan result */
stale_time = iter_bss->last_scanned + DEFAULT_MAX_SCAN_AGE;
if (time_after(jiffies, stale_time)) {
- list_move_tail (&iter_bss->list,
- &priv->network_free_list);
+ list_move_tail(&iter_bss->list, &priv->network_free_list);
clear_bss_descriptor(iter_bss);
continue;
}
dwrq->length = (ev - extra);
dwrq->flags = 0;
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", err);
+ lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
return err;
}
/*********************************************************************/
-/**
- * @brief Prepare a scan command to be sent to the firmware
- *
- * Called via lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, ...)
- * from cmd.c
- *
- * Sends a fixed lenght data part (specifying the BSS type and BSSID filters)
- * as well as a variable number/length of TLVs to the firmware.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param cmd A pointer to cmd_ds_command structure to be sent to
- * firmware with the cmd_DS_801_11_SCAN structure
- * @param pdata_buf Void pointer cast of a lbs_scan_cmd_config struct used
- * to set the fields/TLVs for the command sent to firmware
- *
- * @return 0 or -1
- */
-int lbs_cmd_80211_scan(struct lbs_private *priv,
- struct cmd_ds_command *cmd, void *pdata_buf)
-{
- struct cmd_ds_802_11_scan *pscan = &cmd->params.scan;
- struct lbs_scan_cmd_config *pscancfg = pdata_buf;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- /* Set fixed field variables in scan command */
- pscan->bsstype = pscancfg->bsstype;
- memcpy(pscan->bssid, pscancfg->bssid, ETH_ALEN);
- memcpy(pscan->tlvbuffer, pscancfg->tlvbuffer, pscancfg->tlvbufferlen);
-
- /* size is equal to the sizeof(fixed portions) + the TLV len + header */
- cmd->size = cpu_to_le16(sizeof(pscan->bsstype) + ETH_ALEN
- + pscancfg->tlvbufferlen + S_DS_GEN);
-
- lbs_deb_leave(LBS_DEB_SCAN);
- return 0;
-}
-
/**
* @brief This function handles the command response of scan
*
*
* @return 0 or -1
*/
-int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp)
+static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
+ struct cmd_header *resp)
{
- struct cmd_ds_802_11_scan_rsp *pscan;
- struct bss_descriptor * iter_bss;
- struct bss_descriptor * safe;
- u8 *pbssinfo;
- u16 scanrespsize;
+ struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
+ struct bss_descriptor *iter_bss;
+ struct bss_descriptor *safe;
+ uint8_t *bssinfo;
+ uint16_t scanrespsize;
int bytesleft;
int idx;
int tlvbufsize;
clear_bss_descriptor(iter_bss);
}
- pscan = &resp->params.scanresp;
-
- if (pscan->nr_sets > MAX_NETWORK_COUNT) {
- lbs_deb_scan(
- "SCAN_RESP: too many scan results (%d, max %d)!!\n",
- pscan->nr_sets, MAX_NETWORK_COUNT);
+ if (scanresp->nr_sets > MAX_NETWORK_COUNT) {
+ lbs_deb_scan("SCAN_RESP: too many scan results (%d, max %d)\n",
+ scanresp->nr_sets, MAX_NETWORK_COUNT);
ret = -1;
goto done;
}
- bytesleft = le16_to_cpu(pscan->bssdescriptsize);
+ bytesleft = le16_to_cpu(scanresp->bssdescriptsize);
lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
scanrespsize = le16_to_cpu(resp->size);
- lbs_deb_scan("SCAN_RESP: scan results %d\n", pscan->nr_sets);
+ lbs_deb_scan("SCAN_RESP: scan results %d\n", scanresp->nr_sets);
- pbssinfo = pscan->bssdesc_and_tlvbuffer;
+ bssinfo = scanresp->bssdesc_and_tlvbuffer;
/* The size of the TLV buffer is equal to the entire command response
* size (scanrespsize) minus the fixed fields (sizeof()'s), the
* BSS Descriptions (bssdescriptsize as bytesLef) and the command
* response header (S_DS_GEN)
*/
- tlvbufsize = scanrespsize - (bytesleft + sizeof(pscan->bssdescriptsize)
- + sizeof(pscan->nr_sets)
+ tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize)
+ + sizeof(scanresp->nr_sets)
+ S_DS_GEN);
/*
- * Process each scan response returned (pscan->nr_sets). Save
+ * Process each scan response returned (scanresp->nr_sets). Save
* the information in the newbssentry and then insert into the
* driver scan table either as an update to an existing entry
* or as an addition at the end of the table
*/
- for (idx = 0; idx < pscan->nr_sets && bytesleft; idx++) {
+ for (idx = 0; idx < scanresp->nr_sets && bytesleft; idx++) {
struct bss_descriptor new;
- struct bss_descriptor * found = NULL;
- struct bss_descriptor * oldest = NULL;
+ struct bss_descriptor *found = NULL;
+ struct bss_descriptor *oldest = NULL;
DECLARE_MAC_BUF(mac);
/* Process the data fields and IEs returned for this BSS */
memset(&new, 0, sizeof (struct bss_descriptor));
- if (lbs_process_bss(&new, &pbssinfo, &bytesleft) != 0) {
+ if (lbs_process_bss(&new, &bssinfo, &bytesleft) != 0) {
/* error parsing the scan response, skipped */
lbs_deb_scan("SCAN_RESP: process_bss returned ERROR\n");
continue;
continue;
}
- lbs_deb_scan("SCAN_RESP: BSSID %s\n",
- print_mac(mac, new.bssid));
+ lbs_deb_scan("SCAN_RESP: BSSID %s\n", print_mac(mac, new.bssid));
/* Copy the locally created newbssentry to the scan table */
memcpy(found, &new, offsetof(struct bss_descriptor, list));
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