mac80211: eliminate conf_ht
This patch eliminates the use of conf_ht, replacing it with
bss_info_changed.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index aaa5480..5d30dd4 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -1046,54 +1046,69 @@
}
/**
- * ieee80211_hw_config_ht should be used only after legacy configuration
- * has been determined, as ht configuration depends upon the hardware's
- * HT abilities for a _specific_ band.
+ * ieee80211_handle_ht should be used only after legacy configuration
+ * has been determined namely band, as ht configuration depends upon
+ * the hardware's HT abilities for a _specific_ band.
*/
-int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht,
+u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
struct ieee80211_ht_info *req_ht_cap,
struct ieee80211_ht_bss_info *req_bss_cap)
{
struct ieee80211_conf *conf = &local->hw.conf;
struct ieee80211_supported_band *sband;
+ struct ieee80211_ht_info ht_conf;
+ struct ieee80211_ht_bss_info ht_bss_conf;
int i;
+ u32 changed = 0;
sband = local->hw.wiphy->bands[conf->channel->band];
/* HT is not supported */
if (!sband->ht_info.ht_supported) {
conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE;
- return -EOPNOTSUPP;
+ return 0;
}
- /* disable HT */
- if (!enable_ht) {
- conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE;
- } else {
+ memset(&ht_conf, 0, sizeof(struct ieee80211_ht_info));
+ memset(&ht_bss_conf, 0, sizeof(struct ieee80211_ht_bss_info));
+
+ if (enable_ht) {
+ if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE))
+ changed |= BSS_CHANGED_HT;
+
conf->flags |= IEEE80211_CONF_SUPPORT_HT_MODE;
- conf->ht_conf.cap = req_ht_cap->cap & sband->ht_info.cap;
- conf->ht_conf.cap &= ~(IEEE80211_HT_CAP_MIMO_PS);
- conf->ht_conf.cap |=
- sband->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS;
- conf->ht_bss_conf.primary_channel =
- req_bss_cap->primary_channel;
- conf->ht_bss_conf.bss_cap = req_bss_cap->bss_cap;
- conf->ht_bss_conf.bss_op_mode = req_bss_cap->bss_op_mode;
- for (i = 0; i < SUPP_MCS_SET_LEN; i++)
- conf->ht_conf.supp_mcs_set[i] =
- sband->ht_info.supp_mcs_set[i] &
- req_ht_cap->supp_mcs_set[i];
+ ht_conf.ht_supported = 1;
- /* In STA mode, this gives us indication
- * to the AP's mode of operation */
- conf->ht_conf.ht_supported = 1;
- conf->ht_conf.ampdu_factor = req_ht_cap->ampdu_factor;
- conf->ht_conf.ampdu_density = req_ht_cap->ampdu_density;
+ ht_conf.cap = req_ht_cap->cap & sband->ht_info.cap;
+ ht_conf.cap &= ~(IEEE80211_HT_CAP_MIMO_PS);
+ ht_conf.cap |= sband->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS;
+
+ for (i = 0; i < SUPP_MCS_SET_LEN; i++)
+ ht_conf.supp_mcs_set[i] =
+ sband->ht_info.supp_mcs_set[i] &
+ req_ht_cap->supp_mcs_set[i];
+
+ ht_bss_conf.primary_channel = req_bss_cap->primary_channel;
+ ht_bss_conf.bss_cap = req_bss_cap->bss_cap;
+ ht_bss_conf.bss_op_mode = req_bss_cap->bss_op_mode;
+
+ ht_conf.ampdu_factor = req_ht_cap->ampdu_factor;
+ ht_conf.ampdu_density = req_ht_cap->ampdu_density;
+
+ /* if bss configuration changed store the new one */
+ if (memcmp(&conf->ht_conf, &ht_conf, sizeof(ht_conf)) ||
+ memcmp(&conf->ht_bss_conf, &ht_bss_conf, sizeof(ht_bss_conf))) {
+ changed |= BSS_CHANGED_HT;
+ memcpy(&conf->ht_conf, &ht_conf, sizeof(ht_conf));
+ memcpy(&conf->ht_bss_conf, &ht_bss_conf, sizeof(ht_bss_conf));
+ }
+ } else {
+ if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)
+ changed |= BSS_CHANGED_HT;
+ conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE;
}
- local->ops->conf_ht(local_to_hw(local), &local->hw.conf);
-
- return 0;
+ return changed;
}
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,