From: Avinash Patil <patila@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Kiran Divekar <dkiran@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/cfg80211.c | 5 ++
drivers/net/wireless/mwifiex/ie.c | 69 +++++++++++++++++++++++++++++++
drivers/net/wireless/mwifiex/main.h | 1 +
3 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index fcb30eb..8804023 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -929,6 +929,11 @@ static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+ if (mwifiex_del_mgmt_ies(priv, MGMT_MASK_BEACON |
+ MGMT_MASK_PROBE_RESP |
+ MGMT_MASK_ASSOC_RESP))
+ return -1;
+
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
HostCmd_ACT_GEN_SET, 0, NULL)) {
wiphy_err(wiphy, "Failed to stop the BSS\n");
diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c
index 78f0285..bbe540a 100644
--- a/drivers/net/wireless/mwifiex/ie.c
+++ b/drivers/net/wireless/mwifiex/ie.c
@@ -376,3 +376,72 @@ done:
return ret;
}
+
+/* This function removes management IE set */
+int mwifiex_del_mgmt_ies(struct mwifiex_private *priv, u16 ie_mask)
+{
+ struct mwifiex_ie *beacon_ie = NULL, *pr_ie = NULL;
+ struct mwifiex_ie *ar_ie = NULL, *rsn_ie = NULL;
+ int ret;
+
+ 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 (ie_mask & MGMT_MASK_BEACON) {
+ 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 (ie_mask & MGMT_MASK_PROBE_RESP) {
+ pr_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
+ if (!pr_ie) {
+ ret = -ENOMEM;
+ goto done;
+ }
+ pr_ie->ie_index = cpu_to_le16(priv->beacon_idx);
+ pr_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK);
+ pr_ie->ie_length = 0;
+ }
+ if (ie_mask & MGMT_MASK_ASSOC_RESP) {
+ ar_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
+ if (!ar_ie) {
+ ret = -ENOMEM;
+ goto done;
+ }
+ ar_ie->ie_index = cpu_to_le16(priv->beacon_idx);
+ ar_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK);
+ ar_ie->ie_length = 0;
+ }
+
+ 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;
+}
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 1eb6539..5b444c4 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1007,6 +1007,7 @@ void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config);
int mwifiex_set_mgmt_ies(struct mwifiex_private *priv,
struct cfg80211_ap_settings *params, u16 ie_mask);
+int mwifiex_del_mgmt_ies(struct mwifiex_private *priv, u16 ie_mask);
u8 *mwifiex_11d_code_2_region(u8 code);
--
1.7.0.2
--
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