2008-12-31 15:42:33

by Jouni Malinen

[permalink] [raw]
Subject: [RFC 07/11] mac80211: 802.11w - Configuration of MFP disabled/optional/required

Add new WEXT IW_AUTH_* parameter for setting MFP
disabled/optional/required.

Signed-off-by: Jouni Malinen <[email protected]>


---
include/linux/wireless.h | 6 ++++++
net/mac80211/ieee80211_i.h | 6 ++++++
net/mac80211/mlme.c | 4 ++++
net/mac80211/wext.c | 7 +++++++
4 files changed, 23 insertions(+)

--- wireless-testing.orig/include/linux/wireless.h 2008-12-31 17:11:41.000000000 +0200
+++ wireless-testing/include/linux/wireless.h 2008-12-31 17:12:37.000000000 +0200
@@ -578,6 +578,7 @@
#define IW_AUTH_ROAMING_CONTROL 9
#define IW_AUTH_PRIVACY_INVOKED 10
#define IW_AUTH_CIPHER_GROUP_MGMT 11
+#define IW_AUTH_MFP 12

/* IW_AUTH_WPA_VERSION values (bit field) */
#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001
@@ -607,6 +608,11 @@
#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming
* control */

+/* IW_AUTH_MFP (management frame protection) values */
+#define IW_AUTH_MFP_DISABLED 0 /* MFP disabled */
+#define IW_AUTH_MFP_OPTIONAL 1 /* MFP optional */
+#define IW_AUTH_MFP_REQUIRED 2 /* MFP required */
+
/* SIOCSIWENCODEEXT definitions */
#define IW_ENCODE_SEQ_MAX_SIZE 8
/* struct iw_encode_ext ->alg */
--- wireless-testing.orig/net/mac80211/ieee80211_i.h 2008-12-31 17:04:36.000000000 +0200
+++ wireless-testing/net/mac80211/ieee80211_i.h 2008-12-31 17:12:37.000000000 +0200
@@ -317,6 +317,12 @@ struct ieee80211_if_sta {
int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
int auth_transaction;

+ enum {
+ IEEE80211_MFP_DISABLED,
+ IEEE80211_MFP_OPTIONAL,
+ IEEE80211_MFP_REQUIRED
+ } mfp; /* management frame protection */
+
unsigned long ibss_join_req;
struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
u32 supp_rates_bits[IEEE80211_NUM_BANDS];
--- wireless-testing.orig/net/mac80211/wext.c 2008-12-31 17:11:41.000000000 +0200
+++ wireless-testing/net/mac80211/wext.c 2008-12-31 17:12:37.000000000 +0200
@@ -961,6 +961,13 @@ static int ieee80211_ioctl_siwauth(struc
else
ret = -EOPNOTSUPP;
break;
+ case IW_AUTH_MFP:
+ if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+ sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ sdata->u.sta.mfp = data->value;
+ else
+ ret = -EOPNOTSUPP;
+ break;
default:
ret = -EOPNOTSUPP;
break;
--- wireless-testing.orig/net/mac80211/mlme.c 2008-12-31 16:48:01.000000000 +0200
+++ wireless-testing/net/mac80211/mlme.c 2008-12-31 17:12:37.000000000 +0200
@@ -2332,6 +2332,10 @@ static int ieee80211_sta_config_auth(str
selected->ssid_len);
ieee80211_sta_set_bssid(sdata, selected->bssid);
ieee80211_sta_def_wmm_params(sdata, selected);
+ if (sdata->u.sta.mfp == IEEE80211_MFP_REQUIRED)
+ sdata->u.sta.flags |= IEEE80211_STA_MFP_ENABLED;
+ else
+ sdata->u.sta.flags &= ~IEEE80211_STA_MFP_ENABLED;

/* Send out direct probe if no probe resp was received or
* the one we have is outdated

--

--
Jouni Malinen PGP id EFC895FA