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authorDaniel Drake <dsd@gentoo.org>2006-07-18 21:34:56 +0100
committerJohn W. Linville <linville@tuxdriver.com>2006-07-27 16:17:28 -0400
commitd7712ac254a4ae2e9c927e29e37b8c7ac334e6ad (patch)
tree99b5aef9dcb65cf96c6ac97063bb25d17d3e0649
parent5acd0c4153be25269d7cb9a4b09fd6db571c5cc1 (diff)
[PATCH] softmac: export highest_supported_rate function
zd1211 needs this functionality, no point duplicating it. Signed-off-by: Daniel Drake <dsd@gentoo.org> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--include/net/ieee80211softmac.h8
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_module.c16
2 files changed, 13 insertions, 11 deletions
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index c27d03433c2..425b3a57ac7 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -279,6 +279,14 @@ extern void ieee80211softmac_fragment_lost(struct net_device *dev,
* Note that the rates need to be sorted. */
extern void ieee80211softmac_set_rates(struct net_device *dev, u8 count, u8 *rates);
+/* Finds the highest rate which is:
+ * 1. Present in ri (optionally a basic rate)
+ * 2. Supported by the device
+ * 3. Less than or equal to the user-defined rate
+ */
+extern u8 ieee80211softmac_highest_supported_rate(struct ieee80211softmac_device *mac,
+ struct ieee80211softmac_ratesinfo *ri, int basic_only);
+
/* Helper function which advises you the rate at which a frame should be
* transmitted at. */
static inline u8 ieee80211softmac_suggest_txrate(struct ieee80211softmac_device *mac,
diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c
index c275646b226..addea1cf73a 100644
--- a/net/ieee80211/softmac/ieee80211softmac_module.c
+++ b/net/ieee80211/softmac/ieee80211softmac_module.c
@@ -179,21 +179,14 @@ int ieee80211softmac_ratesinfo_rate_supported(struct ieee80211softmac_ratesinfo
return 0;
}
-/* Finds the highest rate which is:
- * 1. Present in ri (optionally a basic rate)
- * 2. Supported by the device
- * 3. Less than or equal to the user-defined rate
- */
-static u8 highest_supported_rate(struct ieee80211softmac_device *mac,
+u8 ieee80211softmac_highest_supported_rate(struct ieee80211softmac_device *mac,
struct ieee80211softmac_ratesinfo *ri, int basic_only)
{
u8 user_rate = mac->txrates.user_rate;
int i;
- if (ri->count == 0) {
- dprintk(KERN_ERR PFX "empty ratesinfo?\n");
+ if (ri->count == 0)
return IEEE80211_CCK_RATE_1MB;
- }
for (i = ri->count - 1; i >= 0; i--) {
u8 rate = ri->rates[i];
@@ -209,6 +202,7 @@ static u8 highest_supported_rate(struct ieee80211softmac_device *mac,
/* If we haven't found a suitable rate by now, just trust the user */
return user_rate;
}
+EXPORT_SYMBOL_GPL(ieee80211softmac_highest_supported_rate);
void ieee80211softmac_process_erp(struct ieee80211softmac_device *mac,
u8 erp_value)
@@ -244,13 +238,13 @@ void ieee80211softmac_recalc_txrates(struct ieee80211softmac_device *mac)
u32 change = 0;
change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT;
- txrates->default_rate = highest_supported_rate(mac, &mac->bssinfo.supported_rates, 0);
+ txrates->default_rate = ieee80211softmac_highest_supported_rate(mac, &mac->bssinfo.supported_rates, 0);
change |= IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK;
txrates->default_fallback = lower_rate(mac, txrates->default_rate);
change |= IEEE80211SOFTMAC_TXRATECHG_MCAST;
- txrates->mcast_rate = highest_supported_rate(mac, &mac->bssinfo.supported_rates, 1);
+ txrates->mcast_rate = ieee80211softmac_highest_supported_rate(mac, &mac->bssinfo.supported_rates, 1);
if (mac->txrates_change)
mac->txrates_change(mac->dev, change);