From a7d0adae40d0effc1484261a66fb703eb7e840b5 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Wed, 28 Nov 2007 17:30:21 +0100 Subject: [PATCH] libertas: remove user-specified channel list Remove the ability to specify channels to scan via debugfs Signed-off-by: Holger Schurig Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/README | 33 +++++--------- drivers/net/wireless/libertas/debugfs.c | 38 ---------------- drivers/net/wireless/libertas/scan.c | 59 +------------------------ drivers/net/wireless/libertas/scan.h | 5 --- 4 files changed, 13 insertions(+), 122 deletions(-) diff --git a/drivers/net/wireless/libertas/README b/drivers/net/wireless/libertas/README index 05cfc29e43c3..d860fc375752 100644 --- a/drivers/net/wireless/libertas/README +++ b/drivers/net/wireless/libertas/README @@ -195,8 +195,6 @@ setuserscan where [ARGS]: - chan=[chan#][band][mode] where band is [a,b,g] and mode is - blank for active or 'p' for passive bssid=xx:xx:xx:xx:xx:xx specify a BSSID filter for the scan ssid="[SSID]" specify a SSID filter for the scan keep=[0 or 1] keep the previous scan results (1), discard (0) @@ -204,35 +202,26 @@ setuserscan type=[1,2,3] BSS type: 1 (Infra), 2(Adhoc), 3(Any) Any combination of the above arguments can be supplied on the command - line. If the chan token is absent, a full channel scan will be - completed by the driver. If dur tokens are absent, the driver default - setting will be used. The bssid and ssid fields, if blank, will - produce an unfiltered scan. The type field will default to 3 (Any) and - the keep field will default to 0 (Discard). + line. If dur tokens are absent, the driver default setting will be used. + The bssid and ssid fields, if blank, will produce an unfiltered scan. + The type field will default to 3 (Any) and the keep field will default + to 0 (Discard). Examples: - 1) Perform an active scan on channels 1, 6, and 11 in the 'g' band: - echo "chan=1g,6g,11g" > setuserscan + 1) Perform a passive scan on all channels for 20 ms per channel: + echo "dur=20" > setuserscan - 2) Perform a passive scan on channel 11 for 20 ms: - echo "chan=11gp dur=20" > setuserscan + 2) Perform an active scan for a specific SSID: + echo "ssid="TestAP"" > setuserscan - 3) Perform an active scan on channels 1, 6, and 11; and a passive scan on - channel 36 in the 'a' band: - - echo "chan=1g,6g,11g,36ap" > setuserscan - - 4) Perform an active scan on channel 6 and 36 for a specific SSID: - echo "chan=6g,36a ssid="TestAP"" > setuserscan - - 5) Scan all available channels (B/G, A bands) for a specific BSSID, keep + 3) Scan all available channels (B/G, A bands) for a specific BSSID, keep the current scan table intact, update existing or append new scan data: echo "bssid=00:50:43:20:12:82 keep=1" > setuserscan - 6) Scan channel 6, for all infrastructure networks. + 4) Scan for all infrastructure networks. Keep the previous scan table intact. Update any duplicate BSSID/SSID matches with the new scan data: - echo "chan=6g type=1 keep=1" > setuserscan + echo "type=1 keep=1" > setuserscan All entries in the scan table (not just the new scan data when keep=1) will be displayed upon completion by use of the getscantable ioctl. diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index e79236cfdbc1..d3a47cc95475 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -196,43 +196,6 @@ out_unlock: return count; } -static int lbs_parse_chan(char *buf, size_t count, - struct lbs_ioctl_user_scan_cfg *scan_cfg, int dur) -{ - char *start, *end, *hold, *str; - int i = 0; - - start = strstr(buf, "chan="); - if (!start) - return -EINVAL; - start += 5; - end = strchr(start, ' '); - if (!end) - end = buf + count; - hold = kzalloc((end - start)+1, GFP_KERNEL); - if (!hold) - return -ENOMEM; - strncpy(hold, start, end - start); - hold[(end-start)+1] = '\0'; - while(hold && (str = strsep(&hold, ","))) { - int chan; - char band, passive = 0; - sscanf(str, "%d%c%c", &chan, &band, &passive); - scan_cfg->chanlist[i].channumber = chan; - scan_cfg->chanlist[i].scantype = passive ? 1 : 0; - if (band == 'b' || band == 'g') - scan_cfg->chanlist[i].radiotype = 0; - else if (band == 'a') - scan_cfg->chanlist[i].radiotype = 1; - - scan_cfg->chanlist[i].scantime = dur; - i++; - } - - kfree(hold); - return i; -} - static void lbs_parse_bssid(char *buf, size_t count, struct lbs_ioctl_user_scan_cfg *scan_cfg) { @@ -346,7 +309,6 @@ static ssize_t lbs_setuserscan(struct file *file, scan_cfg->bsstype = LBS_SCAN_BSS_TYPE_ANY; dur = lbs_parse_dur(buf, count, scan_cfg); - lbs_parse_chan(buf, count, scan_cfg, dur); lbs_parse_bssid(buf, count, scan_cfg); scan_cfg->clear_bssid = lbs_parse_clear(buf, count, "clear_bssid="); lbs_parse_ssid(buf, count, scan_cfg); diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index de9c548cb6a5..236bc7daf4de 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -416,11 +416,6 @@ lbs_scan_setup_scan_config(struct lbs_private *priv, struct mrvlietypes_ssidparamset *pssidtlv; struct lbs_scan_cmd_config *pscancfgout = NULL; u8 *ptlvpos; - int chanidx; - int scantype; - int scandur; - int channel; - int radiotype; lbs_deb_enter(LBS_DEB_SCAN); @@ -505,58 +500,8 @@ lbs_scan_setup_scan_config(struct lbs_private *priv, */ *ppchantlvout = (struct mrvlietypes_chanlistparamset *) ptlvpos; - if (!puserscanin || !puserscanin->chanlist[0].channumber) { - /* Create a default channel scan list */ - lbs_deb_scan("creating full region channel list\n"); - lbs_scan_create_channel_list(priv, pscanchanlist, - *pfilteredscan); - goto out; - } - - for (chanidx = 0; - chanidx < LBS_IOCTL_USER_SCAN_CHAN_MAX - && puserscanin->chanlist[chanidx].channumber; chanidx++) { - - channel = puserscanin->chanlist[chanidx].channumber; - (pscanchanlist + chanidx)->channumber = channel; - - radiotype = puserscanin->chanlist[chanidx].radiotype; - (pscanchanlist + chanidx)->radiotype = radiotype; - - scantype = puserscanin->chanlist[chanidx].scantype; - - 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; - } else { - if (scantype == CMD_SCAN_TYPE_PASSIVE) { - scandur = MRVDRV_PASSIVE_SCAN_CHAN_TIME; - } else { - 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("scanning current channel only"); - } - + lbs_scan_create_channel_list(priv, pscanchanlist, + *pfilteredscan); out: return pscancfgout; } diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h index e420cd9217cd..9b62e2b01f68 100644 --- a/drivers/net/wireless/libertas/scan.h +++ b/drivers/net/wireless/libertas/scan.h @@ -121,11 +121,6 @@ struct lbs_ioctl_user_scan_cfg { /* Clear existing scan results matching this SSID */ u8 clear_ssid; - - /** - * @brief Variable number (fixed maximum) of channels to scan up - */ - struct lbs_ioctl_user_scan_chan chanlist[LBS_IOCTL_USER_SCAN_CHAN_MAX]; }; /** -- 2.20.1