From 628a140ba033ef201706a8c7e767c8a0c0f8326c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 26 Sep 2007 17:53:17 +0200
Subject: [PATCH] [MAC80211]: remove ALG_NONE
This "algorithm" is used only internally and is not useful.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Michael Buesch <mb@bu3sch.de>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/wireless/b43/main.c | 3 ---
drivers/net/wireless/iwlwifi/iwl3945-base.c | 4 ----
drivers/net/wireless/iwlwifi/iwl4965-base.c | 4 ----
include/net/mac80211.h | 2 --
net/mac80211/ieee80211_ioctl.c | 19 +++++++++++--------
net/mac80211/key.c | 1 -
net/mac80211/rx.c | 3 ---
net/mac80211/tx.c | 2 --
8 files changed, 11 insertions(+), 27 deletions(-)
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 6c80f2e2f4ee..c141a264ac45 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2827,9 +2827,6 @@ static int b43_dev_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
if (!dev)
return -ENODEV;
switch (key->alg) {
- case ALG_NONE:
- algorithm = B43_SEC_ALGO_NONE;
- break;
case ALG_WEP:
if (key->keylen == 5)
algorithm = B43_SEC_ALGO_WEP40;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 2cd7caa69e46..75e3b5c3f155 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2579,10 +2579,6 @@ static void iwl_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
"with key %d\n", ctl->key_idx);
break;
- case ALG_NONE:
- IWL_DEBUG_TX("Tx packet in the clear (encrypt requested).\n");
- break;
-
default:
printk(KERN_ERR "Unknown encode alg %d\n", keyinfo->alg);
break;
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 5a8342664af1..b1a6e39f7821 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -2663,10 +2663,6 @@ static void iwl_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
"with key %d\n", ctl->key_idx);
break;
- case ALG_NONE:
- IWL_DEBUG_TX("Tx packet in the clear (encrypt requested).\n");
- break;
-
default:
printk(KERN_ERR "Unknown encode alg %d\n", keyinfo->alg);
break;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c143ac8965db..1a2114b8d221 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -541,13 +541,11 @@ struct ieee80211_if_conf {
/**
* enum ieee80211_key_alg - key algorithm
- * @ALG_NONE: Unset key algorithm, will never be passed to the driver
* @ALG_WEP: WEP40 or WEP104
* @ALG_TKIP: TKIP
* @ALG_CCMP: CCMP (AES)
*/
enum ieee80211_key_alg {
- ALG_NONE,
ALG_WEP,
ALG_TKIP,
ALG_CCMP,
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 48e68434b38a..6c8e73e0d29d 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -27,8 +27,9 @@
static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
- int idx, int alg, int set_tx_key,
- const u8 *_key, size_t key_len)
+ int idx, int alg, int remove,
+ int set_tx_key, const u8 *_key,
+ size_t key_len)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
int ret = 0;
@@ -75,7 +76,7 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
key = sta->key;
}
- if (alg == ALG_NONE) {
+ if (remove) {
ieee80211_key_free(key);
key = NULL;
} else {
@@ -827,6 +828,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
int idx, i, alg = ALG_WEP;
u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+ int remove = 0;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -845,7 +847,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
idx--;
if (erq->flags & IW_ENCODE_DISABLED)
- alg = ALG_NONE;
+ remove = 1;
else if (erq->length == 0) {
/* No key data - just set the default TX key index */
ieee80211_set_default_key(sdata, idx);
@@ -854,7 +856,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
return ieee80211_set_encryption(
dev, bcaddr,
- idx, alg,
+ idx, alg, remove,
!sdata->default_key,
keybuf, erq->length);
}
@@ -1005,11 +1007,11 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
- int alg, idx, i;
+ int uninitialized_var(alg), idx, i, remove = 0;
switch (ext->alg) {
case IW_ENCODE_ALG_NONE:
- alg = ALG_NONE;
+ remove = 1;
break;
case IW_ENCODE_ALG_WEP:
alg = ALG_WEP;
@@ -1025,7 +1027,7 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
}
if (erq->flags & IW_ENCODE_DISABLED)
- alg = ALG_NONE;
+ remove = 1;
idx = erq->flags & IW_ENCODE_INDEX;
if (idx < 1 || idx > 4) {
@@ -1044,6 +1046,7 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
idx--;
return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
+ remove,
ext->ext_flags &
IW_ENCODE_EXT_SET_TX_KEY,
ext->key, ext->key_len);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index f13d46b2c13c..0b2328f7d67c 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -121,7 +121,6 @@ struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_key *key;
BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS);
- BUG_ON(alg == ALG_NONE);
key = kzalloc(sizeof(struct ieee80211_key) + key_len, GFP_KERNEL);
if (!key)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f5caa1a016ee..8c16574ec39c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -532,9 +532,6 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx)
return ieee80211_crypto_tkip_decrypt(rx);
case ALG_CCMP:
return ieee80211_crypto_ccmp_decrypt(rx);
- case ALG_NONE:
- WARN_ON(1);
- return TXRX_CONTINUE;
}
/* not reached */
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8f0007a925a2..47416b0645db 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -554,8 +554,6 @@ ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx)
return ieee80211_crypto_tkip_encrypt(tx);
case ALG_CCMP:
return ieee80211_crypto_ccmp_encrypt(tx);
- case ALG_NONE:
- return TXRX_CONTINUE;
}
/* not reached */
--
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