[PATCH 04/13] cfg80211: export freq_reg_info()

[PATCH 04/13] cfg80211: export freq_reg_info()

[Luis R. Rodriguez]

This can be used by drivers on the reg_notifier()

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
---
 include/net/wireless.h |   24 ++++++++++++++++++++++++
 net/wireless/reg.c     |   24 ++----------------------
 2 files changed, 26 insertions(+), 22 deletions(-)

diff --git a/include/net/wireless.h b/include/net/wireless.h
index b724519..232047b 100644
--- a/include/net/wireless.h
+++ b/include/net/wireless.h
@@ -422,4 +422,28 @@ extern void wiphy_apply_custom_regulatory(
 	struct wiphy *wiphy,
 	const struct ieee80211_regdomain *regd);
 
+/**
+ * freq_reg_info - get regulatory information for the given frequency
+ * @wiphy: the wiphy for which we want to process this rule for
+ * @center_freq: Frequency in KHz for which we want regulatory information for
+ * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
+ * 	you can set this to 0. If this frequency is allowed we then set
+ * 	this value to the maximum allowed bandwidth.
+ * @reg_rule: the regulatory rule which we have for this frequency
+ *
+ * Use this function to get the regulatory rule for a specific frequency on
+ * a given wireless device. If the device has a specific regulatory domain
+ * it wants to follow we respect that unless a country IE has been received
+ * and processed already.
+ *
+ * Returns 0 if it was able to find a valid regulatory rule which does
+ * apply to the given center_freq otherwise it returns non-zero. It will
+ * also return -ERANGE if we determine the given center_freq does not even have
+ * a regulatory rule for a frequency range in the center_freq's band. See
+ * freq_in_rule_band() for our current definition of a band -- this is purely
+ * subjective and right now its 802.11 specific.
+ */
+extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
+			 const struct ieee80211_reg_rule **reg_rule);
+
 #endif /* __NET_WIRELESS_H */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4793d22..77e45c7 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -846,29 +846,9 @@ static int freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq,
 
 	return !max_bandwidth;
 }
+EXPORT_SYMBOL(freq_reg_info);
 
-/**
- * freq_reg_info - get regulatory information for the given frequency
- * @wiphy: the wiphy for which we want to process this rule for
- * @center_freq: Frequency in KHz for which we want regulatory information for
- * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
- * 	you can set this to 0. If this frequency is allowed we then set
- * 	this value to the maximum allowed bandwidth.
- * @reg_rule: the regulatory rule which we have for this frequency
- *
- * Use this function to get the regulatory rule for a specific frequency on
- * a given wireless device. If the device has a specific regulatory domain
- * it wants to follow we respect that unless a country IE has been received
- * and processed already.
- *
- * Returns 0 if it was able to find a valid regulatory rule which does
- * apply to the given center_freq otherwise it returns non-zero. It will
- * also return -ERANGE if we determine the given center_freq does not even have
- * a regulatory rule for a frequency range in the center_freq's band. See
- * freq_in_rule_band() for our current definition of a band -- this is purely
- * subjective and right now its 802.11 specific.
- */
-static int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
+int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
 			 const struct ieee80211_reg_rule **reg_rule)
 {
 	return freq_reg_info_regd(wiphy, center_freq,
-- 
1.6.1.rc3.51.g5832d

Re: [PATCH 04/13] cfg80211: export freq_reg_info()

[Johannes Berg]

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On Thu, 2009-01-15 at 16:26 -0800, Luis R. Rodriguez wrote:

> @@ -846,29 +846,9 @@ static int freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq,
>  
>  	return !max_bandwidth;
>  }
> +EXPORT_SYMBOL(freq_reg_info);

that kinda seems to be in the wrong spot.

I also don't quite understand what you need this for?

johannes

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Re: [PATCH 04/13] cfg80211: export freq_reg_info()

[Luis R. Rodriguez]

On Fri, Jan 16, 2009 at 01:14:26AM -0800, Johannes Berg wrote:
> On Thu, 2009-01-15 at 16:26 -0800, Luis R. Rodriguez wrote:
> 
> > @@ -846,29 +846,9 @@ static int freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq,
> >  
> >  	return !max_bandwidth;
> >  }
> > +EXPORT_SYMBOL(freq_reg_info);
> 
> that kinda seems to be in the wrong spot.

Ah yeah, but it still works, sure I'll fix, good catch.

> I also don't quite understand what you need this for?

Did you read the ath9k patch?

  Luis