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mwifiex: parse WPS IEs from beacon_data

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Parse WPS IEs from start_ap as well as change_beacon handlers
and set them to FW. Beacon IEs, Probe Response IEs and Assoc
Response IEs are parsed from beacon_data and set to FW with
related masks.

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 2012-06-28 20:30:30 -07:00 committed by John W. Linville
parent 2dd2bd6b36
commit 2152fe9c2f
1 changed files with 44 additions and 40 deletions
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84
drivers/net/wireless/mwifiex/ie.c
View file

@ -214,6 +214,38 @@ mwifiex_update_uap_custom_ie(struct mwifiex_private *priv,
return ret;
}
/* This function checks if WPS IE is present in passed buffer and copies it to
* mwifiex_ie structure.
* Function takes pointer to struct mwifiex_ie pointer as argument.
* If WPS IE is present memory is allocated for mwifiex_ie pointer and filled
* in with WPS IE. Caller should take care of freeing this memory.
*/
static int mwifiex_update_wps_ie(const u8 *ies, int ies_len,
struct mwifiex_ie **ie_ptr, u16 mask)
{
struct ieee_types_header *wps_ie;
struct mwifiex_ie *ie = NULL;
const u8 *vendor_ie;
vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPS,
ies, ies_len);
if (vendor_ie) {
ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
if (!ie)
return -ENOMEM;
wps_ie = (struct ieee_types_header *)vendor_ie;
memcpy(ie->ie_buffer, wps_ie, wps_ie->len + 2);
ie->ie_length = cpu_to_le16(wps_ie->len + 2);
ie->mgmt_subtype_mask = cpu_to_le16(mask);
ie->ie_index = cpu_to_le16(MWIFIEX_AUTO_IDX_MASK);
}
*ie_ptr = ie;
return 0;
}
/* This function parses beacon IEs, probe response IEs, association response IEs
* from cfg80211_ap_settings->beacon and sets these IE to FW.
*/
@ -225,48 +257,20 @@ static int mwifiex_set_mgmt_beacon_data_ies(struct mwifiex_private *priv,
u16 ar_idx = MWIFIEX_AUTO_IDX_MASK;
int ret = 0;
if (data->beacon_ies && data->beacon_ies_len) {
beacon_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
if (!beacon_ie) {
ret = -ENOMEM;
goto done;
}
if (data->beacon_ies && data->beacon_ies_len)
mwifiex_update_wps_ie(data->beacon_ies, data->beacon_ies_len,
&beacon_ie, MGMT_MASK_BEACON);
beacon_ie->ie_index = cpu_to_le16(beacon_idx);
beacon_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON);
beacon_ie->ie_length = cpu_to_le16(data->beacon_ies_len);
memcpy(beacon_ie->ie_buffer, data->beacon_ies,
data->beacon_ies_len);
}
if (data->proberesp_ies && data->proberesp_ies_len)
mwifiex_update_wps_ie(data->proberesp_ies,
data->proberesp_ies_len, &pr_ie,
MGMT_MASK_PROBE_RESP);
if (data->proberesp_ies && data->proberesp_ies_len) {
pr_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
if (!pr_ie) {
ret = -ENOMEM;
goto done;
}
pr_ie->ie_index = cpu_to_le16(pr_idx);
pr_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_PROBE_RESP);
pr_ie->ie_length = cpu_to_le16(data->proberesp_ies_len);
memcpy(pr_ie->ie_buffer, data->proberesp_ies,
data->proberesp_ies_len);
}
if (data->assocresp_ies && data->assocresp_ies_len) {
ar_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL);
if (!ar_ie) {
ret = -ENOMEM;
goto done;
}
ar_ie->ie_index = cpu_to_le16(ar_idx);
ar_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_ASSOC_RESP |
MGMT_MASK_REASSOC_RESP);
ar_ie->ie_length = cpu_to_le16(data->assocresp_ies_len);
memcpy(ar_ie->ie_buffer, data->assocresp_ies,
data->assocresp_ies_len);
}
if (data->assocresp_ies && data->assocresp_ies_len)
mwifiex_update_wps_ie(data->assocresp_ies,
data->assocresp_ies_len, &ar_ie,
MGMT_MASK_ASSOC_RESP |
MGMT_MASK_REASSOC_RESP);
if (beacon_ie || pr_ie || ar_ie) {
ret = mwifiex_update_uap_custom_ie(priv, beacon_ie,