diff options
| author | David Spinadel <david.spinadel@intel.com> | 2017-12-01 13:50:52 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-12-11 12:20:17 +0100 |
| commit | 9de18d8186cb070d22ed67a3f75a2ef5fbf3ef6f (patch) | |
| tree | 936a15e2817360d322ebe90373099da0d3f478a9 /net/mac80211/key.c | |
| parent | c7c477b52c4caa2cfb44bf3841f806d1bf20e0bf (diff) | |
mac80211: Add MIC space only for TX key option
Add a key flag to indicates that the device only needs
MIC space and not a real MIC.
In such cases, keep the MIC zeroed for ease of debug.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@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, 9 insertions, 3 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 938049395f90..aee05ec3f7ea 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -178,13 +178,17 @@ 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) || + if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) decrease_tailroom_need_count(sdata, 1); WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)); + WARN_ON((key->conf.flags & IEEE80211_KEY_FLAG_PUT_MIC_SPACE) && + (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)); + return 0; } @@ -237,7 +241,8 @@ 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) || + if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) increment_tailroom_need_count(sdata); @@ -1104,7 +1109,8 @@ 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) || + if (!((key->conf.flags & (IEEE80211_KEY_FLAG_GENERATE_MMIC | + IEEE80211_KEY_FLAG_PUT_MIC_SPACE)) || (key->conf.flags & IEEE80211_KEY_FLAG_RESERVE_TAILROOM))) increment_tailroom_need_count(key->sdata); } |