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mac80211: allow changing TX-related netdev features

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Set ndev->hw_features as well as ndev->features to allow
changing the TX-related features with ethtool.

We cannot (yet) change RX-related features since that
requires telling the driver about it and we have no API
for that yet.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20200131111300.891737-10-luca@coelho.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2020-01-31 13:12:46 +02:00
parent b5db1acab1
commit 07b83d2ecd
3 changed files with 11 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

6
net/mac80211/main.c
View file

@ -872,7 +872,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
enum nl80211_band band;
int channels, max_bitrates;
bool supp_ht, supp_vht, supp_he;
netdev_features_t feature_whitelist;
struct cfg80211_chan_def dflt_chandef = {};
if (ieee80211_hw_check(hw, QUEUE_CONTROL) &&
@ -931,10 +930,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
/* Only HW csum features are currently compatible with mac80211 */
feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA |
NETIF_F_GSO_SOFTWARE | NETIF_F_RXCSUM;
if (WARN_ON(hw->netdev_features & ~feature_whitelist))
if (WARN_ON(hw->netdev_features & ~MAC80211_SUPPORTED_FEATURES))
return -EINVAL;
if (hw->max_report_rates == 0)