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authorJohannes Berg <johannes.berg@intel.com>2015-04-17 16:39:12 +0200
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-12-13 08:52:48 +0200
commit07abbc5068d00b879d71099ed2e383e7b2ee3116 (patch)
treee8dc8e151ef3c89e6087c519478e41b826043eef
parent2d7cf5497cca77c16145c9ad06ae5aee1e497c2e (diff)
downloadop-kernel-dev-07abbc5068d00b879d71099ed2e383e7b2ee3116.zip
op-kernel-dev-07abbc5068d00b879d71099ed2e383e7b2ee3116.tar.gz
iwlwifi: dvm: advertise NETIF_F_SG
If the transport supports it, advertise NETIF_F_SG to mac80211 to be able to use frag SKBs. This will already improve performance by allowing software GSO to be used. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r--drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c
index a9d8b51..f4c2529 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c
@@ -115,6 +115,9 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
+ if (priv->trans->max_skb_frags)
+ hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
+
hw->offchannel_tx_hw_queue = IWL_AUX_QUEUE;
hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FMT;
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