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Message-ID: <202407162110.8Xuwy6GR-lkp@intel.com>
Date: Tue, 16 Jul 2024 22:00:35 +0800
From: kernel test robot <lkp@...el.com>
To: Christian Hopps <chopps@...pps.org>, devel@...ux-ipsec.org
Cc: oe-kbuild-all@...ts.linux.dev,
	Steffen Klassert <steffen.klassert@...unet.com>,
	netdev@...r.kernel.org, Christian Hopps <chopps@...pps.org>
Subject: Re: [PATCH ipsec-next v5 09/17] xfrm: iptfs: add user packet (tunnel
 ingress) handling

Hi Christian,

kernel test robot noticed the following build errors:

[auto build test ERROR on klassert-ipsec-next/master]
[also build test ERROR on next-20240716]
[cannot apply to klassert-ipsec/master netfilter-nf/main linus/master nf-next/master v6.10]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Christian-Hopps/xfrm-config-add-CONFIG_XFRM_IPTFS/20240715-042948
base:   https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git master
patch link:    https://lore.kernel.org/r/20240714202246.1573817-10-chopps%40chopps.org
patch subject: [PATCH ipsec-next v5 09/17] xfrm: iptfs: add user packet (tunnel ingress) handling
config: i386-randconfig-061-20240716 (https://download.01.org/0day-ci/archive/20240716/202407162110.8Xuwy6GR-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240716/202407162110.8Xuwy6GR-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407162110.8Xuwy6GR-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: net/xfrm/xfrm_iptfs.o: in function `iptfs_user_init':
>> net/xfrm/xfrm_iptfs.c:586:(.text+0x2a0): undefined reference to `__udivdi3'


vim +586 net/xfrm/xfrm_iptfs.c

   547	
   548	/**
   549	 * iptfs_user_init() - initialize the SA with IPTFS options from netlink.
   550	 * @net: the net data
   551	 * @x: xfrm state
   552	 * @attrs: netlink attributes
   553	 * @extack: extack return data
   554	 */
   555	static int iptfs_user_init(struct net *net, struct xfrm_state *x,
   556				   struct nlattr **attrs,
   557				   struct netlink_ext_ack *extack)
   558	{
   559		struct xfrm_iptfs_data *xtfs = x->mode_data;
   560		struct xfrm_iptfs_config *xc;
   561	
   562		xc = &xtfs->cfg;
   563		xc->max_queue_size = net->xfrm.sysctl_iptfs_max_qsize;
   564		xtfs->init_delay_ns =
   565			(u64)net->xfrm.sysctl_iptfs_init_delay * NSECS_IN_USEC;
   566	
   567		if (attrs[XFRMA_IPTFS_PKT_SIZE]) {
   568			xc->pkt_size = nla_get_u32(attrs[XFRMA_IPTFS_PKT_SIZE]);
   569			if (!xc->pkt_size) {
   570				xtfs->payload_mtu = 0;
   571			} else if (xc->pkt_size > x->props.header_len) {
   572				xtfs->payload_mtu = xc->pkt_size - x->props.header_len;
   573			} else {
   574				NL_SET_ERR_MSG(extack,
   575					       "Packet size must be 0 or greater than IPTFS/ESP header length");
   576				return -EINVAL;
   577			}
   578		}
   579		if (attrs[XFRMA_IPTFS_MAX_QSIZE])
   580			xc->max_queue_size = nla_get_u32(attrs[XFRMA_IPTFS_MAX_QSIZE]);
   581		if (attrs[XFRMA_IPTFS_INIT_DELAY])
   582			xtfs->init_delay_ns =
   583				(u64)nla_get_u32(attrs[XFRMA_IPTFS_INIT_DELAY]) *
   584				NSECS_IN_USEC;
   585	
 > 586		xtfs->ecn_queue_size = (u64)xc->max_queue_size * 95 / 100;
   587	
   588		return 0;
   589	}
   590	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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