From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Date: Tue, 1 Dec 2015 11:47:26 -0800 Subject: [Intel-wired-lan] [RFC 4/4] i40e: handle per queue rx_usecs setting In-Reply-To: <1448956892-15509-4-git-send-email-kan.liang@intel.com> References: <1448956892-15509-1-git-send-email-kan.liang@intel.com> <1448956892-15509-4-git-send-email-kan.liang@intel.com> Message-ID: <20151201114726.43d0540c@xeon-e3> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On Tue, 1 Dec 2015 08:01:32 +0000 kan.liang at intel.com wrote: > +u32 i40e_ndo_get_per_queue_rx_usecs(struct net_device *dev, int index) > +{ > + struct i40e_netdev_priv *np = netdev_priv(dev); > + struct i40e_vsi *vsi = np->vsi; > + struct i40e_pf *pf = vsi->back; > + struct i40e_hw *hw = &pf->hw; > + u32 val; > + > + val = rd32(hw, I40E_PFINT_ITRN(0, index)); > + > + return (val * 2); Please don't put useless paren's around return value. That is a BSD style that is not practiced in Linux.