{cfg,mac}80211: move mandatory rates calculation to cfg80211
Move mandatory rates calculation to cfg80211, shared with non mac80211 drivers.
Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
[extend documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 170f9a7..956ba63 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -341,6 +341,7 @@
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
@@ -380,8 +381,9 @@
sta->last_rx = jiffies;
/* make sure mandatory rates are always added */
+ sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
return ieee80211_ibss_finish_sta(sta, auth);
}
@@ -492,7 +494,7 @@
prev_rates = sta->sta.supp_rates[band];
/* make sure mandatory rates are always added */
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
if (sta->sta.supp_rates[band] != prev_rates) {
ibss_dbg(sdata,
@@ -624,6 +626,7 @@
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
struct ieee80211_chanctx_conf *chanctx_conf;
+ struct ieee80211_supported_band *sband;
int band;
/*
@@ -658,8 +661,9 @@
sta->last_rx = jiffies;
/* make sure mandatory rates are always added */
+ sband = local->hw.wiphy->bands[band];
sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
+ ieee80211_mandatory_rates(sband);
spin_lock(&ifibss->incomplete_lock);
list_add(&sta->list, &ifibss->incomplete_stations);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 158e6eb..b7cbd4e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1505,9 +1505,6 @@
ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
}
-u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
- enum ieee80211_band band);
-
void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
void ieee80211_dynamic_ps_timer(unsigned long data);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index c13db9a..c14bb81 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -741,6 +741,8 @@
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT;
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
+ struct ieee80211_supported_band *sband =
+ sdata->local->hw.wiphy->bands[band];
local->fif_other_bss++;
/* mesh ifaces must set allmulti to forward mcast traffic */
@@ -758,8 +760,7 @@
sdata->vif.bss_conf.ht_operation_mode =
ifmsh->mshcfg.ht_opmode;
sdata->vif.bss_conf.enable_beacon = true;
- sdata->vif.bss_conf.basic_rates =
- ieee80211_mandatory_rates(local, band);
+ sdata->vif.bss_conf.basic_rates = ieee80211_mandatory_rates(sband);
changed |= ieee80211_mps_local_status_update(sdata);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3f87fa4..707953f 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1072,32 +1072,6 @@
ieee80211_set_wmm_default(sdata, true);
}
-u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
- enum ieee80211_band band)
-{
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *bitrates;
- u32 mandatory_rates;
- enum ieee80211_rate_flags mandatory_flag;
- int i;
-
- sband = local->hw.wiphy->bands[band];
- if (WARN_ON(!sband))
- return 1;
-
- if (band == IEEE80211_BAND_2GHZ)
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- else
- mandatory_flag = IEEE80211_RATE_MANDATORY_A;
-
- bitrates = sband->bitrates;
- mandatory_rates = 0;
- for (i = 0; i < sband->n_bitrates; i++)
- if (bitrates[i].flags & mandatory_flag)
- mandatory_rates |= BIT(i);
- return mandatory_rates;
-}
-
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,
const u8 *extra, size_t extra_len, const u8 *da,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index b11052b..0962f10 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -33,6 +33,29 @@
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
+{
+ struct ieee80211_rate *bitrates;
+ u32 mandatory_rates = 0;
+ enum ieee80211_rate_flags mandatory_flag;
+ int i;
+
+ if (WARN_ON(!sband))
+ return 1;
+
+ if (sband->band == IEEE80211_BAND_2GHZ)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ else
+ mandatory_flag = IEEE80211_RATE_MANDATORY_A;
+
+ bitrates = sband->bitrates;
+ for (i = 0; i < sband->n_bitrates; i++)
+ if (bitrates[i].flags & mandatory_flag)
+ mandatory_rates |= BIT(i);
+ return mandatory_rates;
+}
+EXPORT_SYMBOL(ieee80211_mandatory_rates);
+
int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band)
{
/* see 802.11 17.3.8.3.2 and Annex J