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| author | Alexander Wetzel <alexander@wetzel-home.de> | 2019-03-16 21:44:43 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-04-26 13:02:11 +0200 |
| commit | 092c4098f2b42b76068f73c8dd9f98c73b5eb372 (patch) | |
| tree | 14f3efd00450ab8eff3c755e842ba35a526ef0a6 | |
| parent | 8dbb000ee73be2c05e34756739ce308885312a29 (diff) | |
| download | linux-092c4098f2b42b76068f73c8dd9f98c73b5eb372.tar.gz linux-092c4098f2b42b76068f73c8dd9f98c73b5eb372.tar.bz2 linux-092c4098f2b42b76068f73c8dd9f98c73b5eb372.zip | |
mac80211: Optimize tailroom_needed update checks
Optimize/cleanup the delay tailroom checks and adds one missing tailroom
update.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/key.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 4700718e010f..41b8db37c7c1 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -140,6 +140,12 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) * so clear that flag now to avoid trying to remove * it again later. */ + if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && + !(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + increment_tailroom_need_count(sdata); + key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; return -EINVAL; } @@ -177,9 +183,9 @@ 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 | - IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || - (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) decrease_tailroom_need_count(sdata, 1); WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && @@ -243,9 +249,9 @@ 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 | - IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || - (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) increment_tailroom_need_count(sdata); key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; @@ -1188,9 +1194,9 @@ 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 | - IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || - (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) + if (!(key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE | + IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) increment_tailroom_need_count(key->sdata); } |