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iwlwifi: dvm: advertise NETIF_F_SG

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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>
This commit is contained in:
Johannes Berg 2015-04-17 16:39:12 +02:00 committed by Emmanuel Grumbach
parent 2d7cf5497c
commit 07abbc5068
1 changed files with 3 additions and 0 deletions
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drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c
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@ -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;