From: Johannes Berg Date: Fri, 17 Apr 2015 14:39:12 +0000 (+0200) Subject: iwlwifi: mvm: advertise NETIF_F_SG X-Git-Tag: v4.5-rc1~128^2~20^2~6^2~62 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2d7cf5497cca77c16145c9ad06ae5aee1e497c2e;p=linux-2.6-block.git iwlwifi: mvm: 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 --- diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index fc13ad93562a..09afb6d55714 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -439,6 +439,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); + if (mvm->trans->max_skb_frags) + hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; + hw->queues = mvm->first_agg_queue; hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |