Return-path: Received: from mga03.intel.com ([134.134.136.65]:2928 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751569AbbLUUvD (ORCPT ); Mon, 21 Dec 2015 15:51:03 -0500 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Johannes Berg , Emmanuel Grumbach Subject: [PATCH 06/45] iwlwifi: mvm: advertise NETIF_F_SG Date: Mon, 21 Dec 2015 22:50:07 +0200 Message-Id: <1450731046-2796-6-git-send-email-emmanuel.grumbach@intel.com> (sfid-20151221_215207_846907_DE176F98) In-Reply-To: <0BA3FCBA62E2DC44AF3030971E174FB32E949792@hasmsx107.ger.corp.intel.com> References: <0BA3FCBA62E2DC44AF3030971E174FB32E949792@hasmsx107.ger.corp.intel.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Johannes Berg 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/mvm/mac80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index fc13ad9..09afb6d 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 | -- 2.5.0