diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2015-08-13 12:10:46 (GMT) |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2015-08-17 14:36:13 (GMT) |
| commit | 8674d909fabf49140e266f124af68daa3ac93ab3 (patch) | |
| tree | 12be89f3dc635e27cb6d80587d1072c768aaf57e /drivers/net/wireless/ath/ath10k | |
| parent | 9c8fb548fb242b462657151eb9c5dd6b6def5b62 (diff) | |
| download | linux-8674d909fabf49140e266f124af68daa3ac93ab3.tar.xz | |
ath10k: split ap/ibss wep key install process
Apparently it's not safe to install both pairwise
and groupwise keys on AP vdevs as it can cause
traffic to stop working in some multi-vif
(WPA+WEP) cases.
Fixes: ce90b27128c2 ("ath10k: fix multiple key static wep with ibss")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 3bb9ea8..9bca378 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -247,6 +247,10 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, lockdep_assert_held(&ar->conf_mutex); + if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP && + arvif->vif->type != NL80211_IFTYPE_ADHOC)) + return -EINVAL; + spin_lock_bh(&ar->data_lock); peer = ath10k_peer_find(ar, arvif->vdev_id, addr); spin_unlock_bh(&ar->data_lock); @@ -258,21 +262,34 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, if (arvif->wep_keys[i] == NULL) continue; - flags = 0; - flags |= WMI_KEY_PAIRWISE; + switch (arvif->vif->type) { + case NL80211_IFTYPE_AP: + flags = WMI_KEY_PAIRWISE; - ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, - addr, flags); - if (ret < 0) - return ret; + if (arvif->def_wep_key_idx == i) + flags |= WMI_KEY_TX_USAGE; - flags = 0; - flags |= WMI_KEY_GROUP; + ret = ath10k_install_key(arvif, arvif->wep_keys[i], + SET_KEY, addr, flags); + if (ret < 0) + return ret; + break; + case NL80211_IFTYPE_ADHOC: + ret = ath10k_install_key(arvif, arvif->wep_keys[i], + SET_KEY, addr, + WMI_KEY_PAIRWISE); + if (ret < 0) + return ret; - ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY, - addr, flags); - if (ret < 0) - return ret; + ret = ath10k_install_key(arvif, arvif->wep_keys[i], + SET_KEY, addr, WMI_KEY_GROUP); + if (ret < 0) + return ret; + break; + default: + WARN_ON(1); + return -EINVAL; + } spin_lock_bh(&ar->data_lock); peer->keys[i] = arvif->wep_keys[i]; @@ -287,6 +304,9 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif, * * FIXME: Revisit. Perhaps this can be done in a less hacky way. */ + if (arvif->vif->type != NL80211_IFTYPE_ADHOC) + return 0; + if (arvif->def_wep_key_idx == -1) return 0; |