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path: root/drivers/net/wireless/wl12xx/scan.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/scan.c')
-rw-r--r--drivers/net/wireless/wl12xx/scan.c121
1 files changed, 81 insertions, 40 deletions
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index f37e5a391976..edfe01c321ca 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -62,7 +62,7 @@ void wl1271_scan_complete_work(struct work_struct *work)
if (wl->scan.failed) {
wl1271_info("Scan completed due to error.");
- ieee80211_queue_work(wl->hw, &wl->recovery_work);
+ wl12xx_queue_recovery_work(wl);
}
out:
@@ -321,26 +321,59 @@ int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
return 0;
}
+int wl1271_scan_stop(struct wl1271 *wl)
+{
+ struct wl1271_cmd_header *cmd = NULL;
+ int ret = 0;
+
+ if (WARN_ON(wl->scan.state == WL1271_SCAN_STATE_IDLE))
+ return -EINVAL;
+
+ wl1271_debug(DEBUG_CMD, "cmd scan stop");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = wl1271_cmd_send(wl, CMD_STOP_SCAN, cmd,
+ sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_error("cmd stop_scan failed");
+ goto out;
+ }
+out:
+ kfree(cmd);
+ return ret;
+}
+
static int
wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
struct cfg80211_sched_scan_request *req,
struct conn_scan_ch_params *channels,
u32 band, bool radar, bool passive,
- int start)
+ int start, int max_channels)
{
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 < req->n_channels && j < max_channels;
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 +383,12 @@ 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 +397,7 @@ 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++;
@@ -369,49 +407,52 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
return j - start;
}
-static int
+static bool
wl1271_scan_sched_scan_channels(struct wl1271 *wl,
struct cfg80211_sched_scan_request *req,
struct wl1271_cmd_sched_scan_config *cfg)
{
- int idx = 0;
-
cfg->passive[0] =
- wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
+ wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2,
IEEE80211_BAND_2GHZ,
- false, true, idx);
- idx += cfg->passive[0];
-
+ false, true, 0,
+ MAX_CHANNELS_2GHZ);
cfg->active[0] =
- wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
+ wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2,
IEEE80211_BAND_2GHZ,
- false, false, idx);
- idx += cfg->active[0];
-
+ false, false,
+ cfg->passive[0],
+ MAX_CHANNELS_2GHZ);
cfg->passive[1] =
- wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
- IEEE80211_BAND_5GHZ,
- false, true, idx);
- idx += cfg->passive[1];
-
- cfg->active[1] =
- wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
+ wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5,
IEEE80211_BAND_5GHZ,
- false, false, 14);
- idx += cfg->active[1];
-
+ false, true, 0,
+ MAX_CHANNELS_5GHZ);
cfg->dfs =
- wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels,
+ wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5,
+ IEEE80211_BAND_5GHZ,
+ true, true,
+ cfg->passive[1],
+ MAX_CHANNELS_5GHZ);
+ cfg->active[1] =
+ wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5,
IEEE80211_BAND_5GHZ,
- true, false, idx);
- idx += cfg->dfs;
+ false, false,
+ cfg->passive[1] + cfg->dfs,
+ MAX_CHANNELS_5GHZ);
+ /* 802.11j channels are not supported yet */
+ cfg->passive[2] = 0;
+ cfg->active[2] = 0;
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;
+ return cfg->passive[0] || cfg->active[0] ||
+ cfg->passive[1] || cfg->active[1] || cfg->dfs ||
+ cfg->passive[2] || cfg->active[2];
}
int wl1271_scan_sched_scan_config(struct wl1271 *wl,
@@ -420,7 +461,8 @@ 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;
+ int i, ret;
+ bool force_passive = !req->n_ssids;
wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config");
@@ -444,7 +486,7 @@ 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,
@@ -454,14 +496,13 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl,
cfg->ssid_len = 0;
}
- total_channels = wl1271_scan_sched_scan_channels(wl, req, cfg);
- if (total_channels == 0) {
+ if (!wl1271_scan_sched_scan_channels(wl, req, cfg)) {
wl1271_error("scan channel list is empty");
ret = -EINVAL;
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 +514,7 @@ 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],
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.