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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.c90
1 files changed, 57 insertions, 33 deletions
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 56f76abc754d..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:
@@ -321,12 +321,39 @@ 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;
@@ -334,7 +361,7 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
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;
@@ -380,46 +407,42 @@ 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);
- /*
- * 5GHz channels always start at position 14, not immediately
- * after the last 2.4GHz channel
- */
- idx = 14;
-
+ false, false,
+ cfg->passive[0],
+ MAX_CHANNELS_2GHZ);
cfg->passive[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, true, idx);
- idx += cfg->passive[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, idx);
- idx += cfg->dfs;
-
+ true, true,
+ cfg->passive[1],
+ MAX_CHANNELS_5GHZ);
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, idx);
- idx += cfg->active[1];
+ 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]);
@@ -427,7 +450,9 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl,
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,
@@ -436,7 +461,7 @@ 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;
+ int i, ret;
bool force_passive = !req->n_ssids;
wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config");
@@ -471,8 +496,7 @@ 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;