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wifi: cfg80211: remove support for static WEP

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This reverts commit b8676221f0 ("cfg80211: Add support for
static WEP in the driver") since no driver ever ended up using
it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-01-16 15:24:11 +01:00
parent d0e9951183
commit 585b6e1304
7 changed files with 8 additions and 22 deletions
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9
include/net/cfg80211.h
View file

@ -1075,7 +1075,6 @@ struct survey_info {
s8 noise;
};
#define CFG80211_MAX_WEP_KEYS 4
#define CFG80211_MAX_NUM_AKM_SUITES 10
/**
@ -1099,9 +1098,6 @@ struct survey_info {
* port frames over NL80211 instead of the network interface.
* @control_port_no_preauth: disables pre-auth rx over the nl80211 control
* port for mac80211
* @wep_keys: static WEP keys, if not NULL points to an array of
* CFG80211_MAX_WEP_KEYS WEP keys
* @wep_tx_key: key index (0..3) of the default TX static WEP key
* @psk: PSK (for devices supporting 4-way-handshake offload)
* @sae_pwd: password for SAE authentication (for devices supporting SAE
* offload)
@ -1134,8 +1130,6 @@ struct cfg80211_crypto_settings {
bool control_port_no_encrypt;
bool control_port_over_nl80211;
bool control_port_no_preauth;
struct key_params *wep_keys;
int wep_tx_key;
const u8 *psk;
const u8 *sae_pwd;
u8 sae_pwd_len;
@ -4683,8 +4677,6 @@ struct cfg80211_ops {
* @WIPHY_FLAG_SUPPORTS_5_10_MHZ: Device supports 5 MHz and 10 MHz channels.
* @WIPHY_FLAG_HAS_CHANNEL_SWITCH: Device supports channel switch in
* beaconing mode (AP, IBSS, Mesh, ...).
* @WIPHY_FLAG_HAS_STATIC_WEP: The device supports static WEP key installation
* before connection.
* @WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK: The device supports bigger kek and kck keys
* @WIPHY_FLAG_SUPPORTS_MLO: This is a temporary flag gating the MLO APIs,
* in order to not have them reachable in normal drivers, until we have
@ -4715,7 +4707,6 @@ enum wiphy_flags {
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL = BIT(21),
WIPHY_FLAG_SUPPORTS_5_10_MHZ = BIT(22),
WIPHY_FLAG_HAS_CHANNEL_SWITCH = BIT(23),
WIPHY_FLAG_HAS_STATIC_WEP = BIT(24),
};
/**

4
net/wireless/core.h
View file

@ -278,8 +278,8 @@ struct cfg80211_event {
};
struct cfg80211_cached_keys {
struct key_params params[CFG80211_MAX_WEP_KEYS];
u8 data[CFG80211_MAX_WEP_KEYS][WLAN_KEY_LEN_WEP104];
struct key_params params[4];
u8 data[4][WLAN_KEY_LEN_WEP104];
int def;
};

5
net/wireless/ibss.c
View file

@ -45,8 +45,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
cfg80211_hold_bss(bss_from_pub(bss));
wdev->u.ibss.current_bss = bss_from_pub(bss);
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
cfg80211_upload_connect_keys(wdev);
nl80211_send_ibss_bssid(wiphy_to_rdev(wdev->wiphy), dev, bssid,
GFP_KERNEL);
@ -294,7 +293,7 @@ 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 < CFG80211_MAX_WEP_KEYS; i++)
for (i = 0; i < 4; i++)
ck->params[i].key = ck->data[i];
}
err = __cfg80211_join_ibss(rdev, wdev->netdev,

6
net/wireless/sme.c
View file

@ -855,8 +855,7 @@ void __cfg80211_connect_result(struct net_device *dev,
ETH_ALEN);
}
if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
cfg80211_upload_connect_keys(wdev);
cfg80211_upload_connect_keys(wdev);
rcu_read_lock();
for_each_valid_link(cr, link) {
@ -1462,9 +1461,6 @@ 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

@ -934,7 +934,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
if (!wdev->connect_keys)
return;
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++) {
for (i = 0; i < 4; i++) {
if (!wdev->connect_keys->params[i].cipher)
continue;
if (rdev_add_key(rdev, dev, -1, i, false, NULL,

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

@ -439,7 +439,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
GFP_KERNEL);
if (!wdev->wext.keys)
return -ENOMEM;
for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++)
for (i = 0; i < 4; i++)
wdev->wext.keys->params[i].key =
wdev->wext.keys->data[i];
}

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

@ -47,7 +47,7 @@ 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 < CFG80211_MAX_WEP_KEYS; i++)
for (i = 0; i < 4; i++)
ck->params[i].key = ck->data[i];
}