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authorLinus Torvalds <torvalds@linux-foundation.org>2011-06-04 23:16:00 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2011-06-04 23:16:00 +0900
commit0e833d8cfcb52b5ee3ead22cabbab81dea32c3f0 (patch)
tree0c64533ba9181c014a4b2dcda75c273ae0437dd6 /drivers/net/wireless/wl12xx/scan.c
parent4f1ba49efafccbc73017f824efa2505c81b247cd (diff)
parent7b29dc21ea084be7ddfb536994a9cfae95337690 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits) tg3: Fix tg3_skb_error_unmap() net: tracepoint of net_dev_xmit sees freed skb and causes panic drivers/net/can/flexcan.c: add missing clk_put net: dm9000: Get the chip in a known good state before enabling interrupts drivers/net/davinci_emac.c: add missing clk_put af-packet: Add flag to distinguish VID 0 from no-vlan. caif: Fix race when conditionally taking rtnl lock usbnet/cdc_ncm: add missing .reset_resume hook vlan: fix typo in vlan_dev_hard_start_xmit() net/ipv4: Check for mistakenly passed in non-IPv4 address iwl4965: correctly validate temperature value bluetooth l2cap: fix locking in l2cap_global_chan_by_psm ath9k: fix two more bugs in tx power cfg80211: don't drop p2p probe responses Revert "net: fix section mismatches" drivers/net/usb/catc.c: Fix potential deadlock in catc_ctrl_run() sctp: stop pending timers and purge queues when peer restart asoc drivers/net: ks8842 Fix crash on received packet when in PIO mode. ip_options_compile: properly handle unaligned pointer iwlagn: fix incorrect PCI subsystem id for 6150 devices ...
Diffstat (limited to 'drivers/net/wireless/wl12xx/scan.c')
-rw-r--r--drivers/net/wireless/wl12xx/scan.c49
1 files changed, 33 insertions, 16 deletions
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index f37e5a39197..56f76abc754 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -331,16 +331,22 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
struct conf_sched_scan_settings *c = &wl->conf.sched_scan;
int i, j;
u32 flags;
+ bool force_passive = !req->n_ssids;
for (i = 0, j = start;
i < req->n_channels && j < MAX_CHANNELS_ALL_BANDS;
i++) {
flags = req->channels[i]->flags;
- if (!(flags & IEEE80211_CHAN_DISABLED) &&
- ((flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive) &&
- ((flags & IEEE80211_CHAN_RADAR) == radar) &&
- (req->channels[i]->band == band)) {
+ if (force_passive)
+ flags |= IEEE80211_CHAN_PASSIVE_SCAN;
+
+ if ((req->channels[i]->band == band) &&
+ !(flags & IEEE80211_CHAN_DISABLED) &&
+ (!!(flags & IEEE80211_CHAN_RADAR) == radar) &&
+ /* if radar is set, we ignore the passive flag */
+ (radar ||
+ !!(flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive)) {
wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ",
req->channels[i]->band,
req->channels[i]->center_freq);
@@ -350,7 +356,12 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
wl1271_debug(DEBUG_SCAN, "max_power %d",
req->channels[i]->max_power);
- if (flags & IEEE80211_CHAN_PASSIVE_SCAN) {
+ if (flags & IEEE80211_CHAN_RADAR) {
+ channels[j].flags |= SCAN_CHANNEL_FLAGS_DFS;
+ channels[j].passive_duration =
+ cpu_to_le16(c->dwell_time_dfs);
+ }
+ else if (flags & IEEE80211_CHAN_PASSIVE_SCAN) {
channels[j].passive_duration =
cpu_to_le16(c->dwell_time_passive);
} else {
@@ -359,7 +370,7 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
channels[j].max_duration =
cpu_to_le16(c->max_dwell_time_active);
}
- channels[j].tx_power_att = req->channels[j]->max_power;
+ channels[j].tx_power_att = req->channels[i]->max_power;
channels[j].channel = req->channels[i]->hw_value;
j++;
@@ -386,7 +397,11 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl,
wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
IEEE80211_BAND_2GHZ,
false, false, idx);
- idx += cfg->active[0];
+ /*
+ * 5GHz channels always start at position 14, not immediately
+ * after the last 2.4GHz channel
+ */
+ idx = 14;
cfg->passive[1] =
wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
@@ -394,22 +409,23 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl,
false, true, idx);
idx += cfg->passive[1];
- cfg->active[1] =
+ cfg->dfs =
wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
IEEE80211_BAND_5GHZ,
- false, false, 14);
- idx += cfg->active[1];
+ true, true, idx);
+ idx += cfg->dfs;
- cfg->dfs =
+ cfg->active[1] =
wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
IEEE80211_BAND_5GHZ,
- true, false, idx);
- idx += cfg->dfs;
+ false, false, idx);
+ idx += cfg->active[1];
wl1271_debug(DEBUG_SCAN, " 2.4GHz: active %d passive %d",
cfg->active[0], cfg->passive[0]);
wl1271_debug(DEBUG_SCAN, " 5GHz: active %d passive %d",
cfg->active[1], cfg->passive[1]);
+ wl1271_debug(DEBUG_SCAN, " DFS: %d", cfg->dfs);
return idx;
}
@@ -421,6 +437,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
struct wl1271_cmd_sched_scan_config *cfg = NULL;
struct conf_sched_scan_settings *c = &wl->conf.sched_scan;
int i, total_channels, ret;
+ bool force_passive = !req->n_ssids;
wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config");
@@ -444,7 +461,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
for (i = 0; i < SCAN_MAX_CYCLE_INTERVALS; i++)
cfg->intervals[i] = cpu_to_le32(req->interval);
- if (req->ssids[0].ssid_len && req->ssids[0].ssid) {
+ if (!force_passive && req->ssids[0].ssid_len && req->ssids[0].ssid) {
cfg->filter_type = SCAN_SSID_FILTER_SPECIFIC;
cfg->ssid_len = req->ssids[0].ssid_len;
memcpy(cfg->ssid, req->ssids[0].ssid,
@@ -461,7 +478,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
goto out;
}
- if (cfg->active[0]) {
+ if (!force_passive && cfg->active[0]) {
ret = wl1271_cmd_build_probe_req(wl, req->ssids[0].ssid,
req->ssids[0].ssid_len,
ies->ie[IEEE80211_BAND_2GHZ],
@@ -473,7 +490,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
}
}
- if (cfg->active[1]) {
+ if (!force_passive && cfg->active[1]) {
ret = wl1271_cmd_build_probe_req(wl, req->ssids[0].ssid,
req->ssids[0].ssid_len,
ies->ie[IEEE80211_BAND_5GHZ],