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authorJohn W. Linville <linville@tuxdriver.com>2010-07-13 15:57:29 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-07-13 15:57:29 -0400
commite300d955debdadf599c36e47eb0bc16f5976215c (patch)
tree8fafcc789dc06e90665e6eee6388af228bbd2fd7 /net
parent242647bcf8464860f173f3d4d4ab3490d3558518 (diff)
parent815868e7b5c207ba42d5b317ccc51f8112732268 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/wl12xx/wl1271_cmd.h
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/cfg.c5
-rw-r--r--net/mac80211/main.c5
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c6
-rw-r--r--net/mac80211/tkip.c8
-rw-r--r--net/mac80211/tkip.h2
-rw-r--r--net/mac80211/wep.c24
-rw-r--r--net/mac80211/wep.h2
-rw-r--r--net/mac80211/wpa.c5
-rw-r--r--net/wireless/mlme.c8
-rw-r--r--net/wireless/nl80211.c2
10 files changed, 39 insertions, 28 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9eb02a34088..5e56e91c92c 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -143,6 +143,11 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
return -EINVAL;
}
+ /* reject WEP and TKIP keys if WEP failed to initialize */
+ if ((alg == ALG_WEP || alg == ALG_TKIP) &&
+ IS_ERR(sdata->local->wep_tx_tfm))
+ return -EINVAL;
+
key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
params->seq_len, params->seq);
if (!key)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index edf7aff9326..0e95c750ded 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -637,11 +637,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
goto fail_sta_info;
result = ieee80211_wep_init(local);
- if (result < 0) {
+ if (result < 0)
printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
wiphy_name(local->hw.wiphy), result);
- goto fail_wep;
- }
rtnl_lock();
@@ -694,7 +692,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
fail_rate:
rtnl_unlock();
ieee80211_wep_free(local);
- fail_wep:
sta_info_stop(local);
fail_sta_info:
destroy_workqueue(local->workqueue);
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 52c85036660..b5ace243546 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -240,6 +240,7 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
MINSTREL_FRAC(3, 4)) || mr->probability > cur_prob) {
mg->max_prob_rate = index;
cur_prob = mr->probability;
+ cur_prob_tp = mr->cur_tp;
}
if (mr->cur_tp > cur_tp) {
@@ -275,6 +276,7 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
minstrel_mcs_groups[group].streams == 1) {
mi->max_prob_rate = mg->max_prob_rate;
cur_prob = mr->cur_prob;
+ cur_prob_tp = mr->cur_tp;
}
mr = minstrel_get_ratestats(mi, mg->max_tp_rate);
@@ -441,8 +443,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
minstrel_downgrade_rate(mi, &mi->max_tp_rate, true);
rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate2);
- if (rate->attempts > 30 &&
- MINSTREL_FRAC(rate->success, rate->attempts) <
+ if (rate2->attempts > 30 &&
+ MINSTREL_FRAC(rate2->success, rate2->attempts) <
MINSTREL_FRAC(20, 100))
minstrel_downgrade_rate(mi, &mi->max_tp_rate2, false);
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 7ef491e9d66..e840c9cd46d 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -202,9 +202,9 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
* @payload_len is the length of payload (_not_ including IV/ICV length).
* @ta is the transmitter addresses.
*/
-void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta)
+int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
+ struct ieee80211_key *key,
+ u8 *pos, size_t payload_len, u8 *ta)
{
u8 rc4key[16];
struct tkip_ctx *ctx = &key->u.tkip.tx;
@@ -216,7 +216,7 @@ void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key);
- ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
+ return ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
}
/* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
diff --git a/net/mac80211/tkip.h b/net/mac80211/tkip.h
index d4714383f5f..7e83dee976f 100644
--- a/net/mac80211/tkip.h
+++ b/net/mac80211/tkip.h
@@ -15,7 +15,7 @@
u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
-void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
+int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
struct ieee80211_key *key,
u8 *pos, size_t payload_len, u8 *ta);
enum {
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 5f3a4113bda..6d133b6efce 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -47,8 +47,10 @@ int ieee80211_wep_init(struct ieee80211_local *local)
void ieee80211_wep_free(struct ieee80211_local *local)
{
- crypto_free_blkcipher(local->wep_tx_tfm);
- crypto_free_blkcipher(local->wep_rx_tfm);
+ if (!IS_ERR(local->wep_tx_tfm))
+ crypto_free_blkcipher(local->wep_tx_tfm);
+ if (!IS_ERR(local->wep_rx_tfm))
+ crypto_free_blkcipher(local->wep_rx_tfm);
}
static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)
@@ -122,19 +124,24 @@ static void ieee80211_wep_remove_iv(struct ieee80211_local *local,
/* Perform WEP encryption using given key. data buffer must have tailroom
* for 4-byte ICV. data_len must not include this ICV. Note: this function
* does _not_ add IV. data = RC4(data | CRC32(data)) */
-void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
- size_t klen, u8 *data, size_t data_len)
+int ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
+ size_t klen, u8 *data, size_t data_len)
{
struct blkcipher_desc desc = { .tfm = tfm };
struct scatterlist sg;
__le32 icv;
+ if (IS_ERR(tfm))
+ return -1;
+
icv = cpu_to_le32(~crc32_le(~0, data, data_len));
put_unaligned(icv, (__le32 *)(data + data_len));
crypto_blkcipher_setkey(tfm, rc4key, klen);
sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
crypto_blkcipher_encrypt(&desc, &sg, &sg, sg.length);
+
+ return 0;
}
@@ -168,10 +175,8 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local,
/* Add room for ICV */
skb_put(skb, WEP_ICV_LEN);
- ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, keylen + 3,
- iv + WEP_IV_LEN, len);
-
- return 0;
+ return ieee80211_wep_encrypt_data(local->wep_tx_tfm, rc4key, keylen + 3,
+ iv + WEP_IV_LEN, len);
}
@@ -185,6 +190,9 @@ int ieee80211_wep_decrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
struct scatterlist sg;
__le32 crc;
+ if (IS_ERR(tfm))
+ return -1;
+
crypto_blkcipher_setkey(tfm, rc4key, klen);
sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
crypto_blkcipher_decrypt(&desc, &sg, &sg, sg.length);
diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h
index fe29d7e5759..58654ee3351 100644
--- a/net/mac80211/wep.h
+++ b/net/mac80211/wep.h
@@ -18,7 +18,7 @@
int ieee80211_wep_init(struct ieee80211_local *local);
void ieee80211_wep_free(struct ieee80211_local *local);
-void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
+int ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
size_t klen, u8 *data, size_t data_len);
int ieee80211_wep_encrypt(struct ieee80211_local *local,
struct sk_buff *skb,
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index a14e6770747..8d59d27d887 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -183,9 +183,8 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
skb_put(skb, TKIP_ICV_LEN);
hdr = (struct ieee80211_hdr *) skb->data;
- ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
- key, pos, len, hdr->addr2);
- return 0;
+ return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
+ key, pos, len, hdr->addr2);
}
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 9f95354f859..e74a1a2119d 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -44,10 +44,10 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
}
}
- WARN_ON(!done);
-
- nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
- cfg80211_sme_rx_auth(dev, buf, len);
+ if (done) {
+ nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
+ cfg80211_sme_rx_auth(dev, buf, len);
+ }
wdev_unlock(wdev);
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 85285b43d37..fbfac588297 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -877,7 +877,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
int idx, mbm = 0;
if (!rdev->ops->set_tx_power) {
- return -EOPNOTSUPP;
+ result = -EOPNOTSUPP;
goto bad_res;
}