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Date: Tue, 14 Jul 2020 11:25:41 +0800
From: kernel test robot <lkp@...el.com>
To: Jakub Kicinski <kuba@...nel.org>, davem@...emloft.net
Cc: kbuild-all@...ts.01.org, netdev@...r.kernel.org,
oss-drivers@...ronome.com, simon.horman@...ronome.com,
ajit.khaparde@...adcom.com, sriharsha.basavapatna@...adcom.com,
somnath.kotur@...adcom.com, thomas.lendacky@....com,
aelior@...vell.com, skalluru@...vell.com
Subject: Re: [PATCH net-next 04/12] xgbe: convert to new udp_tunnel_nic infra
Hi Jakub,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Jakub-Kicinski/udp_tunnel-NIC-RX-port-offload-infrastructure/20200714-083337
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 2be53e0e4690a764b6af18536eb78b811f40eacc
config: arc-allyesconfig (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/net/ethernet/amd/xgbe/xgbe-drv.c: In function 'xgbe_set_features':
>> drivers/net/ethernet/amd/xgbe/xgbe-drv.c:2234:20: warning: variable 'udp_tunnel' set but not used [-Wunused-but-set-variable]
2234 | netdev_features_t udp_tunnel;
| ^~~~~~~~~~
vim +/udp_tunnel +2234 drivers/net/ethernet/amd/xgbe/xgbe-drv.c
1a510ccf5869a95 Lendacky, Thomas 2017-08-18 2227
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2228 static int xgbe_set_features(struct net_device *netdev,
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2229 netdev_features_t features)
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2230 {
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2231 struct xgbe_prv_data *pdata = netdev_priv(netdev);
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2232 struct xgbe_hw_if *hw_if = &pdata->hw_if;
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2233 netdev_features_t rxhash, rxcsum, rxvlan, rxvlan_filter;
1a510ccf5869a95 Lendacky, Thomas 2017-08-18 @2234 netdev_features_t udp_tunnel;
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2235 int ret = 0;
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2236
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2237 rxhash = pdata->netdev_features & NETIF_F_RXHASH;
801c62d945c6121 Lendacky, Thomas 2014-06-24 2238 rxcsum = pdata->netdev_features & NETIF_F_RXCSUM;
801c62d945c6121 Lendacky, Thomas 2014-06-24 2239 rxvlan = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_RX;
801c62d945c6121 Lendacky, Thomas 2014-06-24 2240 rxvlan_filter = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_FILTER;
1a510ccf5869a95 Lendacky, Thomas 2017-08-18 2241 udp_tunnel = pdata->netdev_features & NETIF_F_GSO_UDP_TUNNEL;
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2242
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2243 if ((features & NETIF_F_RXHASH) && !rxhash)
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2244 ret = hw_if->enable_rss(pdata);
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2245 else if (!(features & NETIF_F_RXHASH) && rxhash)
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2246 ret = hw_if->disable_rss(pdata);
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2247 if (ret)
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2248 return ret;
5b9dfe299e55604 Lendacky, Thomas 2014-11-04 2249
801c62d945c6121 Lendacky, Thomas 2014-06-24 2250 if ((features & NETIF_F_RXCSUM) && !rxcsum)
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2251 hw_if->enable_rx_csum(pdata);
801c62d945c6121 Lendacky, Thomas 2014-06-24 2252 else if (!(features & NETIF_F_RXCSUM) && rxcsum)
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2253 hw_if->disable_rx_csum(pdata);
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2254
801c62d945c6121 Lendacky, Thomas 2014-06-24 2255 if ((features & NETIF_F_HW_VLAN_CTAG_RX) && !rxvlan)
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2256 hw_if->enable_rx_vlan_stripping(pdata);
801c62d945c6121 Lendacky, Thomas 2014-06-24 2257 else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) && rxvlan)
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2258 hw_if->disable_rx_vlan_stripping(pdata);
801c62d945c6121 Lendacky, Thomas 2014-06-24 2259
801c62d945c6121 Lendacky, Thomas 2014-06-24 2260 if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) && !rxvlan_filter)
801c62d945c6121 Lendacky, Thomas 2014-06-24 2261 hw_if->enable_rx_vlan_filtering(pdata);
801c62d945c6121 Lendacky, Thomas 2014-06-24 2262 else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && rxvlan_filter)
801c62d945c6121 Lendacky, Thomas 2014-06-24 2263 hw_if->disable_rx_vlan_filtering(pdata);
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2264
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2265 pdata->netdev_features = features;
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2266
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2267 DBGPR("<--xgbe_set_features\n");
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2268
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2269 return 0;
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2270 }
c5aa9e3b815645e Lendacky, Thomas 2014-06-05 2271
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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