diff options
| author | Ido Yariv <ido@wizery.com> | 2014-07-29 15:38:53 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-08-26 11:15:59 +0200 |
| commit | ca34e3b5c808385b175650605faa29e71e91991b (patch) | |
| tree | 306b688cae1820d65902c31c82b95f4c23e9293b /net/mac80211/key.c | |
| parent | 170fd0b1f6108b48df4369afa0ee29a83e922748 (diff) | |
| download | linux-stable-ca34e3b5c808385b175650605faa29e71e91991b.tar.gz linux-stable-ca34e3b5c808385b175650605faa29e71e91991b.tar.bz2 linux-stable-ca34e3b5c808385b175650605faa29e71e91991b.zip | |
mac80211: Fix accounting of the tailroom-needed counter
When hw acceleration is enabled, the GENERATE_IV or PUT_IV_SPACE flags
will only require headroom space. Consequently, the tailroom-needed
counter can safely be decremented.
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/key.c')
| -rw-r--r-- | net/mac80211/key.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index d808cff80153..6429d0e1d4a1 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -130,9 +130,7 @@ 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->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) + if (!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)) sdata->crypto_tx_tailroom_needed_cnt--; WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && @@ -180,9 +178,7 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) sta = key->sta; sdata = key->sdata; - if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) || - (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) || - (key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) + if (!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)) increment_tailroom_need_count(sdata); ret = drv_set_key(key->local, DISABLE_KEY, sdata, @@ -878,9 +874,7 @@ void ieee80211_remove_key(struct ieee80211_key_conf *keyconf) if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) { 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->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))) + if (!(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)) increment_tailroom_need_count(key->sdata); } |