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| author |   Johannes Berg <johannes.berg@intel.com> | 2020-04-20 14:06:00 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-04-24 12:33:41 +0200 |
| commit | 155d7c733807190258639c66b36340948f369349 (patch) | |
| tree | 53a4d9efb1ebb5b28d840e4bd55b44d5e16e5557 /net/wireless | |
| parent | cfg80211: support multicast RX registration (diff) | |
| download | wireguard-linux-155d7c733807190258639c66b36340948f369349.tar.xz wireguard-linux-155d7c733807190258639c66b36340948f369349.zip | |
nl80211: allow client-only BIGTK support
The current NL80211_EXT_FEATURE_BEACON_PROTECTION feature flag
requires both AP and client support, add a new one called
NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT that enables only
support in client (and P2P-client) modes.
Link: https://lore.kernel.org/r/20200420140559.6ba704053a5a.Ifeb869fb0b48e52fe0cb9c15572b93ac8a924f8d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 73a3e885d4dd..d470d77d2eb6 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3905,14 +3905,25 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) }; void *hdr; struct sk_buff *msg; + bool bigtk_support = false; + + if (wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_BEACON_PROTECTION)) + bigtk_support = true; + + if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION || + dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) && + wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT)) + bigtk_support = true; if (info->attrs[NL80211_ATTR_KEY_IDX]) { key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); - if (key_idx > 5 && - !wiphy_ext_feature_isset( - &rdev->wiphy, - NL80211_EXT_FEATURE_BEACON_PROTECTION)) + + if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) { + GENL_SET_ERR_MSG(info, "BIGTK not supported"); return -EINVAL; + } } if (info->attrs[NL80211_ATTR_MAC]) |