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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>
This commit is contained in:
Avinash Patil 2012-05-08 18:30:30 -07:00 committed by John W. Linville
parent f31acabe3d
commit 40bbc21a2c
3 changed files with 75 additions and 0 deletions
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3
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -929,6 +929,9 @@ 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))
wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
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");

71
drivers/net/wireless/mwifiex/ie.c
View File

@ -323,3 +323,74 @@ done:
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;
}

1
drivers/net/wireless/mwifiex/main.h
View File

@ -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);
int mwifiex_del_mgmt_ies(struct mwifiex_private *priv);
u8 *mwifiex_11d_code_2_region(u8 code);
#ifdef CONFIG_DEBUG_FS