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| author | David S. Miller <davem@davemloft.net> | 2011-05-05 14:09:28 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-05-05 14:09:28 -0700 |
| commit | 90864fbc7639d7a2300c67a18c9fb9fbcf7d51d2 (patch) | |
| tree | 6951c8d0e529dbfc7c4cec75d4cec63350e39b7c /net/mac80211/key.c | |
| parent | 228e548e602061b08ee8e8966f567c12aa079682 (diff) | |
| parent | a70171dce9cd44cb06c7d299eba9fa87a8933045 (diff) | |
| download | olio-linux-3.10-90864fbc7639d7a2300c67a18c9fb9fbcf7d51d2.tar.xz olio-linux-3.10-90864fbc7639d7a2300c67a18c9fb9fbcf7d51d2.zip | |
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'net/mac80211/key.c')
| -rw-r--r-- | net/mac80211/key.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index af3c56482c8..b510721e3b3 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -101,6 +101,11 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) if (!ret) { key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE; + + if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))) + key->local->crypto_tx_tailroom_needed_cnt--; + return 0; } @@ -156,6 +161,10 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) key->conf.keyidx, sta ? sta->addr : bcast_addr, ret); key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; + + if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))) + key->local->crypto_tx_tailroom_needed_cnt++; } void ieee80211_key_removed(struct ieee80211_key_conf *key_conf) @@ -388,8 +397,10 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key) ieee80211_aes_key_free(key->u.ccmp.tfm); if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC) ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm); - if (key->local) + if (key->local) { ieee80211_debugfs_key_remove(key); + key->local->crypto_tx_tailroom_needed_cnt--; + } kfree(key); } @@ -451,6 +462,8 @@ int ieee80211_key_link(struct ieee80211_key *key, ieee80211_debugfs_key_add(key); + key->local->crypto_tx_tailroom_needed_cnt++; + ret = ieee80211_key_enable_hw_accel(key); mutex_unlock(&sdata->local->key_mtx); @@ -492,8 +505,12 @@ void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata) mutex_lock(&sdata->local->key_mtx); - list_for_each_entry(key, &sdata->key_list, list) + sdata->local->crypto_tx_tailroom_needed_cnt = 0; + + list_for_each_entry(key, &sdata->key_list, list) { + sdata->local->crypto_tx_tailroom_needed_cnt++; ieee80211_key_enable_hw_accel(key); + } mutex_unlock(&sdata->local->key_mtx); } |