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[PATCH] ieee80211: Mixed PTK/GTK CCMP/TKIP support

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tree 5c7559a1216ae1121487f6aed94a6017490729b3
parent c1ff4c22e5622c8987bf96c09158c4924cde98c2
author Hong Liu <hong.liu@intel.com> 1125482767 +0800
committer James Ketrenos <jketreno@linux.intel.com> 1127314427 -0500

Mixed PTK/GTK CCMP/TKIP support.

Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
James Ketrenos 2005-09-21 11:58:32 -05:00 committed by Jeff Garzik
parent 42c94e43be
commit ccd0fda3a6
4 changed files with 18 additions and 5 deletions
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3
include/net/ieee80211.h
View File

@ -851,6 +851,9 @@ struct ieee80211_device {
int host_encrypt;
int host_encrypt_msdu;
int host_decrypt;
/* host performs multicast decryption */
int host_mc_decrypt;
int host_open_frag;
int ieee802_1x; /* is IEEE 802.1X used */

2
net/ieee80211/ieee80211_module.c
View File

@ -133,6 +133,8 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
/* Default to enabling full open WEP with host based encrypt/decrypt */
ieee->host_encrypt = 1;
ieee->host_decrypt = 1;
ieee->host_mc_decrypt = 1;
/* Host fragementation in Open mode. Default is enabled.
* Note: host fragmentation is always enabled if host encryption
* is enabled. For cards can do hardware encryption, they must do

5
net/ieee80211/ieee80211_rx.c
View File

@ -409,7 +409,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
return 1;
}
if (ieee->host_decrypt) {
if (is_multicast_ether_addr(hdr->addr1) ? ieee->host_mc_decrypt :
ieee->host_decrypt) {
int idx = 0;
if (skb->len >= hdrlen + 3)
idx = skb->data[hdrlen + 3] >> 6;
@ -1066,7 +1067,7 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, struct i
network->flags = 0;
network->atim_window = 0;
network->erp_value = (network->capability & WLAN_CAPABILITY_IBSS) ?
0x3 : 0x0;
0x3 : 0x0;
if (stats->freq == IEEE80211_52GHZ_BAND) {
/* for A band (No DS info) */

13
net/ieee80211/ieee80211_wx.c
View File

@ -493,6 +493,7 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
int i, idx, ret = 0;
int group_key = 0;
const char *alg, *module;
struct ieee80211_crypto_ops *ops;
struct ieee80211_crypt_data **crypt;
@ -509,9 +510,10 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
} else
idx = ieee->tx_keyidx;
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
crypt = &ieee->crypt[idx];
else {
group_key = 1;
} else {
if (idx != 0)
return -EINVAL;
if (ieee->iw_mode == IW_MODE_INFRA)
@ -542,7 +544,9 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
sec.enabled = 1;
sec.encrypt = 1;
if (!(ieee->host_encrypt || ieee->host_decrypt))
if (group_key ? !ieee->host_mc_decrypt :
!(ieee->host_encrypt || ieee->host_decrypt ||
ieee->host_encrypt_msdu))
goto skip_host_crypt;
switch (ext->alg) {
@ -632,6 +636,9 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
sec.flags |= SEC_LEVEL;
sec.level = SEC_LEVEL_3;
}
/* Don't set sec level for group keys. */
if (group_key)
sec.flags &= ~SEC_LEVEL;
}
done:
if (ieee->set_security)