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authorJouni Malinen <j@w1.fi>2009-01-08 13:32:02 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 16:00:03 -0500
commit3cfcf6ac6d69dc290e96416731eea5c88ac7d426 (patch)
tree35bc626e2e3f7c37a7eb50c1f057adb4830eccc6 /net/wireless/nl80211.c
parent765cb46a3fc856245ea68a7c961ac87c77e4ae2d (diff)
downloadlinux-3cfcf6ac6d69dc290e96416731eea5c88ac7d426.tar.gz
mac80211: 802.11w - Use BIP (AES-128-CMAC)
Add mechanism for managing BIP keys (IGTK) and integrate BIP into the TX/RX paths. Signed-off-by: Jouni Malinen <j@w1.fi> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1e728fff474..123d3b160fa 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -738,7 +738,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_KEY_IDX])
key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
- if (key_idx > 3)
+ if (key_idx > 5)
return -EINVAL;
if (info->attrs[NL80211_ATTR_MAC])
@@ -804,30 +804,41 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
int err;
struct net_device *dev;
u8 key_idx;
+ int (*func)(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index);
if (!info->attrs[NL80211_ATTR_KEY_IDX])
return -EINVAL;
key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
- if (key_idx > 3)
+ if (info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]) {
+ if (key_idx < 4 || key_idx > 5)
+ return -EINVAL;
+ } else if (key_idx > 3)
return -EINVAL;
/* currently only support setting default key */
- if (!info->attrs[NL80211_ATTR_KEY_DEFAULT])
+ if (!info->attrs[NL80211_ATTR_KEY_DEFAULT] &&
+ !info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT])
return -EINVAL;
err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
if (err)
return err;
- if (!drv->ops->set_default_key) {
+ if (info->attrs[NL80211_ATTR_KEY_DEFAULT])
+ func = drv->ops->set_default_key;
+ else
+ func = drv->ops->set_default_mgmt_key;
+
+ if (!func) {
err = -EOPNOTSUPP;
goto out;
}
rtnl_lock();
- err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx);
+ err = func(&drv->wiphy, dev, key_idx);
rtnl_unlock();
out:
@@ -863,7 +874,7 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (key_idx > 3)
+ if (key_idx > 5)
return -EINVAL;
/*
@@ -894,6 +905,10 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
if (params.key_len != 13)
return -EINVAL;
break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ if (params.key_len != 16)
+ return -EINVAL;
+ break;
default:
return -EINVAL;
}
@@ -928,7 +943,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_KEY_IDX])
key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
- if (key_idx > 3)
+ if (key_idx > 5)
return -EINVAL;
if (info->attrs[NL80211_ATTR_MAC])