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-rw-r--r--include/net/mac80211.h8
-rw-r--r--net/mac80211/ieee80211.c25
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/ieee80211_ioctl.c16
-rw-r--r--net/mac80211/ieee80211_sta.c10
5 files changed, 51 insertions, 10 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3282038a1510..e503cd37f82e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -697,6 +697,14 @@ struct ieee80211_ops {
void (*sta_table_notification)(struct ieee80211_hw *hw,
int num_sta);
+ /* Handle ERP IE change notifications. Must be atomic. */
+ void (*erp_ie_changed)(struct ieee80211_hw *hw, u8 changes,
+ int cts_protection, int preamble);
+
+ /* Flags for the erp_ie_changed changes parameter */
+#define IEEE80211_ERP_CHANGE_PROTECTION (1<<0) /* protection flag changed */
+#define IEEE80211_ERP_CHANGE_PREAMBLE (1<<1) /* barker preamble mode changed */
+
/* Configure TX queue parameters (EDCF (aifs, cw_min, cw_max),
* bursting) for a hardware TX queue.
* queue = IEEE80211_TX_QUEUE_*.
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index f811a260ee9c..4715a9525918 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -464,8 +464,10 @@ static int ieee80211_open(struct net_device *dev)
if (sdata->type == IEEE80211_IF_TYPE_MNTR) {
local->monitors++;
local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
- } else
+ } else {
ieee80211_if_config(dev);
+ ieee80211_reset_erp_info(dev);
+ }
if (sdata->type == IEEE80211_IF_TYPE_STA &&
!local->user_space_mlme)
@@ -748,6 +750,27 @@ int ieee80211_hw_config(struct ieee80211_local *local)
return ret;
}
+void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ if (local->ops->erp_ie_changed)
+ local->ops->erp_ie_changed(local_to_hw(local), changes,
+ sdata->use_protection,
+ !sdata->short_preamble);
+}
+
+void ieee80211_reset_erp_info(struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ sdata->short_preamble = 0;
+ sdata->use_protection = 0;
+ ieee80211_erp_info_change_notify(dev,
+ IEEE80211_ERP_CHANGE_PROTECTION |
+ IEEE80211_ERP_CHANGE_PREAMBLE);
+}
+
struct dev_mc_list *ieee80211_get_mc_list_item(struct ieee80211_hw *hw,
struct dev_mc_list *prev,
void **ptr)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b0af6e9f5319..cc9999cd089c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -788,6 +788,8 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
u8 *addr);
int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
+void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes);
+void ieee80211_reset_erp_info(struct net_device *dev);
/* ieee80211_iface.c */
int ieee80211_if_add(struct net_device *dev, const char *name,
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 8292431ac48f..1fde214faecb 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -1054,17 +1054,21 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
break;
case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
- if (sdata->type != IEEE80211_IF_TYPE_AP)
+ if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ sdata->use_protection = !!value;
+ ieee80211_erp_info_change_notify(dev, IEEE80211_ERP_CHANGE_PROTECTION);
+ } else {
ret = -ENOENT;
- else
- sdata->use_protection = value;
+ }
break;
case PRISM2_PARAM_PREAMBLE:
- if (sdata->type != IEEE80211_IF_TYPE_AP)
+ if (sdata->type != IEEE80211_IF_TYPE_AP) {
+ sdata->short_preamble = !!value;
+ ieee80211_erp_info_change_notify(dev, IEEE80211_ERP_CHANGE_PREAMBLE);
+ } else {
ret = -ENOENT;
- else
- sdata->short_preamble = value;
+ }
break;
case PRISM2_PARAM_STAT_TIME:
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 0f5f8131bd71..33414f160538 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -319,6 +319,7 @@ static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
int use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
int preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0;
+ u8 changes = 0;
if (use_protection != sdata->use_protection) {
if (net_ratelimit()) {
@@ -329,6 +330,7 @@ static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
MAC_ARG(ifsta->bssid));
}
sdata->use_protection = use_protection;
+ changes |= IEEE80211_ERP_CHANGE_PROTECTION;
}
if (!preamble_mode != sdata->short_preamble) {
@@ -341,7 +343,11 @@ static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
MAC_ARG(ifsta->bssid));
}
sdata->short_preamble = !preamble_mode;
+ changes |= IEEE80211_ERP_CHANGE_PREAMBLE;
}
+
+ if (changes)
+ ieee80211_erp_info_change_notify(dev, changes);
}
@@ -400,7 +406,6 @@ static void ieee80211_set_associated(struct net_device *dev,
struct ieee80211_if_sta *ifsta, int assoc)
{
union iwreq_data wrqu;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (ifsta->associated == assoc)
return;
@@ -428,8 +433,7 @@ static void ieee80211_set_associated(struct net_device *dev,
ieee80211_sta_send_associnfo(dev, ifsta);
} else {
netif_carrier_off(dev);
- sdata->short_preamble = 0;
- sdata->use_protection = 0;
+ ieee80211_reset_erp_info(dev);
memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
}
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 09:34:24 +0100