From 07abbc5068d00b879d71099ed2e383e7b2ee3116 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 17 Apr 2015 16:39:12 +0200 Subject: [PATCH] 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 Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c index a9d8b51419b4..f4c2529f7b94 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; -- 2.20.1