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 S1751563AbbLUUvF (ORCPT ); Mon, 21 Dec 2015 15:51:05 -0500 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Johannes Berg , Emmanuel Grumbach Subject: [PATCH 07/45] iwlwifi: dvm: advertise NETIF_F_SG Date: Mon, 21 Dec 2015 22:50:08 +0200 Message-Id: <1450731046-2796-7-git-send-email-emmanuel.grumbach@intel.com> (sfid-20151221_215111_876986_A5303E6C) 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/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 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; -- 2.5.0