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cfg80211: Add support for static WEP in the driver

Browse source 
Add support for drivers that implement static WEP internally, i.e.
expose connection keys to the driver in connect flow and don't
upload the keys after the connection.

Signed-off-by: David Spinadel <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
David Spinadel 2016-09-22 23:16:50 +03:00 • committed by Johannes Berg
commit b8676221f0
7 changed files with 24 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

4
net/wireless/core.h
View file

@ -249,8 +249,8 @@ struct cfg80211_event {
};
struct cfg80211_cached_keys {
struct key_params params[4];
u8 data[4][WLAN_KEY_LEN_WEP104];
struct key_params params[CFG80211_MAX_WEP_KEYS];
u8 data[CFG80211_MAX_WEP_KEYS][WLAN_KEY_LEN_WEP104];
int def;
};

5
net/wireless/ibss.c
View file

@ -43,7 +43,8 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
cfg80211_hold_bss(bss_from_pub(bss));
wdev->current_bss = bss_from_pub(bss);
cfg80211_upload_connect_keys(wdev);
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
nl80211_send_ibss_bssid(wiphy_to_rdev(wdev->wiphy), dev, bssid,
GFP_KERNEL);
@ -296,7 +297,7 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
if (!ck)
return -ENOMEM;
for (i = 0; i < 4; i++)
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++)
ck->params[i].key = ck->data[i];
}
err = __cfg80211_join_ibss(rdev, wdev->netdev,

6
net/wireless/sme.c
View file

@ -726,7 +726,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
wdev->current_bss = bss_from_pub(bss);
cfg80211_upload_connect_keys(wdev);
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
rcu_read_lock();
country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
@ -1043,6 +1044,9 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
connect->crypto.ciphers_pairwise[0] = cipher;
}
}
connect->crypto.wep_keys = connkeys->params;
connect->crypto.wep_tx_key = connkeys->def;
} else {
if (WARN_ON(connkeys))
return -EINVAL;

2
net/wireless/util.c
View file

@ -912,7 +912,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
if (!wdev->connect_keys)
return;
for (i = 0; i < 4; i++) {
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++) {
if (!wdev->connect_keys->params[i].cipher)
continue;
if (rdev_add_key(rdev, dev, i, false, NULL,

2
net/wireless/wext-compat.c
View file

@ -415,7 +415,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
GFP_KERNEL);
if (!wdev->wext.keys)
return -ENOMEM;
for (i = 0; i < 4; i++)
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++)
wdev->wext.keys->params[i].key =
wdev->wext.keys->data[i];
}

2
net/wireless/wext-sme.c
View file

@ -46,7 +46,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
if (!ck)
return -ENOMEM;
for (i = 0; i < 4; i++)
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++)
ck->params[i].key = ck->data[i];
}