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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2010-07-08 18:49:57 +0400
committerJohn W. Linville <linville@tuxdriver.com>2010-07-09 00:35:50 +0400
commitbbbb538e337a3eb2166d5a20307b93822bdacc4f (patch)
tree1a263c7062785b539867751dd018780df2f77a8e /drivers/net/wireless/wl12xx/wl1271_acx.c
parentab2807efcfd2dd646a2ca8d71585e26cda3fc0c1 (diff)
downloadlinux-bbbb538e337a3eb2166d5a20307b93822bdacc4f.tar.xz
wl1271: Add TSF handling
Add functionality to pass the current TSF (mac time) to the mac80211. This is needed for ad-hoc merging. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_acx.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_acx.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index e19e2f8f1e52..5cadb9d06c76 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -1266,3 +1266,29 @@ out:
kfree(acx);
return ret;
}
+
+int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
+{
+ struct wl1271_acx_fw_tsf_information *tsf_info;
+ int ret;
+
+ tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL);
+ if (!tsf_info) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = wl1271_cmd_interrogate(wl, ACX_TSF_INFO,
+ tsf_info, sizeof(*tsf_info));
+ if (ret < 0) {
+ wl1271_warning("acx tsf info interrogate failed");
+ goto out;
+ }
+
+ *mactime = le32_to_cpu(tsf_info->current_tsf_low) |
+ ((u64) le32_to_cpu(tsf_info->current_tsf_high) << 32);
+
+out:
+ kfree(tsf_info);
+ return ret;
+}