cfg80211/mac80211: allow per-station GTKs

This adds API to allow adding per-station GTKs,
updates mac80211 to support it, and also allows
drivers to remove a key from hwaccel again when
this may be necessary due to multiple GTKs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-10-05 19:39:30 +02:00 committed by John W. Linville
parent 53f73c09d6
commit e31b82136d
20 changed files with 293 additions and 109 deletions

View file

@ -144,19 +144,25 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy)
int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
struct key_params *params, int key_idx,
const u8 *mac_addr)
bool pairwise, const u8 *mac_addr)
{
int i;
if (key_idx > 5)
return -EINVAL;
if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
return -EINVAL;
if (pairwise && !mac_addr)
return -EINVAL;
/*
* Disallow pairwise keys with non-zero index unless it's WEP
* (because current deployments use pairwise WEP keys with
* non-zero indizes but 802.11i clearly specifies to use zero)
*/
if (mac_addr && key_idx &&
if (pairwise && key_idx &&
params->cipher != WLAN_CIPHER_SUITE_WEP40 &&
params->cipher != WLAN_CIPHER_SUITE_WEP104)
return -EINVAL;
@ -677,7 +683,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
for (i = 0; i < 6; i++) {
if (!wdev->connect_keys->params[i].cipher)
continue;
if (rdev->ops->add_key(wdev->wiphy, dev, i, NULL,
if (rdev->ops->add_key(wdev->wiphy, dev, i, false, NULL,
&wdev->connect_keys->params[i])) {
printk(KERN_ERR "%s: failed to set key %d\n",
dev->name, i);