From: Evan Quan <[email protected]>
The newly added WBRF feature needs this interface for channel
width calculation.
Signed-off-by: Evan Quan <[email protected]>
Signed-off-by: Ma Jun <[email protected]>
Reviewed-by: Mario Limonciello <[email protected]>
--
v8->v9:
- correct typo(Mhz -> MHz) (Johnson)
v13:
- Fix the format issue (IIpo Jarvinen)
---
include/net/cfg80211.h | 9 +++++++++
net/wireless/chan.c | 3 ++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4ecfb06c413d..c784e86a6d99 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -976,6 +976,15 @@ const struct cfg80211_chan_def *
cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
const struct cfg80211_chan_def *chandef2);
+/**
+ * nl80211_chan_width_to_mhz - get the channel width in MHz
+ * @chan_width: the channel width from &enum nl80211_chan_width
+ *
+ * Return: channel width in MHz if the chan_width from &enum nl80211_chan_width
+ * is valid. -1 otherwise.
+ */
+int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width);
+
/**
* cfg80211_chandef_valid - check if a channel definition is valid
* @chandef: the channel definition to check
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 2d21e423abdb..dfb4893421d7 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -141,7 +141,7 @@ static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef)
return true;
}
-static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
+int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
{
int mhz;
@@ -190,6 +190,7 @@ static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
}
return mhz;
}
+EXPORT_SYMBOL(nl80211_chan_width_to_mhz);
static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
{
--
2.34.1