diff options
Diffstat (limited to '')
| -rw-r--r-- | net/mac80211/main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index f5548e953259..779ac613ee57 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -682,6 +682,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) enum ieee80211_band band; int channels, max_bitrates; bool supp_ht; + netdev_features_t feature_whitelist; static const u32 cipher_suites[] = { /* keep WEP first, it may be removed below */ WLAN_CIPHER_SUITE_WEP40, @@ -708,6 +709,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan) return -EINVAL; + /* Only HW csum features are currently compatible with mac80211 */ + feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_HW_CSUM; + if (WARN_ON(hw->netdev_features & ~feature_whitelist)) + return -EINVAL; + if (hw->max_report_rates == 0) hw->max_report_rates = hw->max_rates; |