mwifiex: delete IEs when stop_ap
Delete custom IEs set by start_ap cfg80211 handler when stop_ap
handler is called for AP interface.
IE index required for deletion is stored in mwifiex_private
structure.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c
index ca9ebcf..ceb82cd 100644
--- a/drivers/net/wireless/mwifiex/ie.c
+++ b/drivers/net/wireless/mwifiex/ie.c
@@ -323,3 +323,74 @@
return ret;
}
+
+/* This function removes management IE set */
+int mwifiex_del_mgmt_ies(struct mwifiex_private *priv)
+{
+ struct mwifiex_ie *beacon_ie = NULL, *pr_ie = NULL;
+ struct mwifiex_ie *ar_ie = NULL, *rsn_ie = NULL;
+ int ret = 0;
+
+ if (priv->rsn_idx != MWIFIEX_AUTO_IDX_MASK) {
+ rsn_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
+ if (!rsn_ie)
+ return -ENOMEM;
+
+ rsn_ie->ie_index = cpu_to_le16(priv->rsn_idx);
+ rsn_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK);
+ rsn_ie->ie_length = 0;
+ if (mwifiex_update_uap_custom_ie(priv, rsn_ie, &priv->rsn_idx,
+ NULL, &priv->proberesp_idx,
+ NULL, &priv->assocresp_idx)) {
+ ret = -1;
+ goto done;
+ }
+
+ priv->rsn_idx = MWIFIEX_AUTO_IDX_MASK;
+ }
+
+ if (priv->beacon_idx != MWIFIEX_AUTO_IDX_MASK) {
+ beacon_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
+ if (!beacon_ie) {
+ ret = -ENOMEM;
+ goto done;
+ }
+ beacon_ie->ie_index = cpu_to_le16(priv->beacon_idx);
+ beacon_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK);
+ beacon_ie->ie_length = 0;
+ }
+ if (priv->proberesp_idx != MWIFIEX_AUTO_IDX_MASK) {
+ pr_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
+ if (!pr_ie) {
+ ret = -ENOMEM;
+ goto done;
+ }
+ pr_ie->ie_index = cpu_to_le16(priv->proberesp_idx);
+ pr_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK);
+ pr_ie->ie_length = 0;
+ }
+ if (priv->assocresp_idx != MWIFIEX_AUTO_IDX_MASK) {
+ ar_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
+ if (!ar_ie) {
+ ret = -ENOMEM;
+ goto done;
+ }
+ ar_ie->ie_index = cpu_to_le16(priv->assocresp_idx);
+ ar_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK);
+ ar_ie->ie_length = 0;
+ }
+
+ if (beacon_ie || pr_ie || ar_ie)
+ ret = mwifiex_update_uap_custom_ie(priv,
+ beacon_ie, &priv->beacon_idx,
+ pr_ie, &priv->proberesp_idx,
+ ar_ie, &priv->assocresp_idx);
+
+done:
+ kfree(beacon_ie);
+ kfree(pr_ie);
+ kfree(ar_ie);
+ kfree(rsn_ie);
+
+ return ret;
+}