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Message-ID: <202411052231.OM2TTHhn-lkp@intel.com>
Date: Tue, 5 Nov 2024 23:06:00 +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, Florian Westphal <fw@...len.de>,
Sabrina Dubroca <sd@...asysnail.net>,
Simon Horman <horms@...nel.org>, Antony Antony <antony@...nome.org>,
Christian Hopps <chopps@...pps.org>
Subject: Re: [PATCH ipsec-next v13 15/15] xfrm: iptfs: add tracepoint
functionality
Hi Christian,
kernel test robot noticed the following build warnings:
[auto build test WARNING on klassert-ipsec-next/master]
[also build test WARNING on next-20241105]
[cannot apply to klassert-ipsec/master netfilter-nf/main linus/master nf-next/master v6.12-rc6]
[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/20241105-164740
base: https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git master
patch link: https://lore.kernel.org/r/20241105083759.2172771-16-chopps%40chopps.org
patch subject: [PATCH ipsec-next v13 15/15] xfrm: iptfs: add tracepoint functionality
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20241105/202411052231.OM2TTHhn-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241105/202411052231.OM2TTHhn-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/202411052231.OM2TTHhn-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> net/xfrm/xfrm_iptfs.c:194:12: warning: '__trace_ip_proto_seq' defined but not used [-Wunused-function]
194 | static u32 __trace_ip_proto_seq(struct iphdr *iph)
| ^~~~~~~~~~~~~~~~~~~~
>> net/xfrm/xfrm_iptfs.c:187:12: warning: '__trace_ip_proto' defined but not used [-Wunused-function]
187 | static u32 __trace_ip_proto(struct iphdr *iph)
| ^~~~~~~~~~~~~~~~
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [y]:
- RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]
vim +/__trace_ip_proto_seq +194 net/xfrm/xfrm_iptfs.c
186
> 187 static u32 __trace_ip_proto(struct iphdr *iph)
188 {
189 if (iph->version == 4)
190 return iph->protocol;
191 return ((struct ipv6hdr *)iph)->nexthdr;
192 }
193
> 194 static u32 __trace_ip_proto_seq(struct iphdr *iph)
195 {
196 void *nexthdr;
197 u32 protocol = 0;
198
199 if (iph->version == 4) {
200 nexthdr = (void *)(iph + 1);
201 protocol = iph->protocol;
202 } else if (iph->version == 6) {
203 nexthdr = (void *)(((struct ipv6hdr *)(iph)) + 1);
204 protocol = ((struct ipv6hdr *)(iph))->nexthdr;
205 }
206 switch (protocol) {
207 case IPPROTO_ICMP:
208 return ntohs(((struct icmphdr *)nexthdr)->un.echo.sequence);
209 case IPPROTO_ICMPV6:
210 return ntohs(((struct icmp6hdr *)nexthdr)->icmp6_sequence);
211 case IPPROTO_TCP:
212 return ntohl(((struct tcphdr *)nexthdr)->seq);
213 case IPPROTO_UDP:
214 return ntohs(((struct udphdr *)nexthdr)->source);
215 default:
216 return 0;
217 }
218 }
219
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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