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wl12xx: add stop_scan command

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define wl1271_scan_stop() to cancel an ongoing hw scan.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2011-06-27 13:06:44 +03:00 committed by Luciano Coelho
parent e85d1629c6
commit 2aa01597eb
2 changed files with 28 additions and 0 deletions
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27
drivers/net/wireless/wl12xx/scan.c
View File

@ -321,6 +321,33 @@ 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,

1
drivers/net/wireless/wl12xx/scan.h
View File

@ -28,6 +28,7 @@
int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len,
struct cfg80211_scan_request *req);
int wl1271_scan_stop(struct wl1271 *wl);
int wl1271_scan_build_probe_req(struct wl1271 *wl,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, u8 band);