[ovs-discuss] OVS 2.7.0 build error with kernel 4.4.0

[Andrei Andone]

Hello,

Has anyone tried to build ovs-kmod for ovs 2.7.0 on a 4.4.0 kernel series?
I am running into some errors.
Configuring ovs works, but make fails.

Here is my configure command:
"./configure --with-linux=/lib/modules/4.4.0-169-generic/build --prefix=/"

This is what seems odd to me from the configure output:
"checking whether rtnl_create_link.*src_net matches in /lib/modules/4.4.0-169-generic/build/include/net/rtnetlink.h... no
ch"

These are some of the errors I am getting from make:

make[4]: Entering directory '/usr/src/linux-headers-4.4.0-169-generic'
  CC [M]  /root/ovs/datapath/linux/nf_conntrack_reasm.o
In file included from include/linux/random.h:10:0,
                 from /root/ovs/datapath/linux/compat/include/linux/random.h:4,
                 from include/linux/net.h:22,
                 from /root/ovs/datapath/linux/compat/include/linux/net.h:4,
                 from /root/ovs/datapath/linux/nf_conntrack_reasm.c:30:
/root/ovs/datapath/linux/nf_conntrack_reasm.c: In function ‘nf_hash_frag’:
/root/ovs/datapath/linux/nf_conntrack_reasm.c:79:31: error: ‘struct inet_frags’ has no member named ‘rnd’
  net_get_random_once(&nf_frags.rnd, sizeof(nf_frags.rnd));

...

/root/ovs/datapath/linux/nf_conntrack_reasm.c: In function ‘rpl_nf_ct_frag6_init’:
/root/ovs/datapath/linux/nf_conntrack_reasm.c:574:10: error: ‘struct inet_frags’ has no member named ‘hashfn’
  nf_frags.hashfn = nf_hashfn;
          ^
/root/ovs/datapath/linux/nf_conntrack_reasm.c:578:10: error: ‘struct inet_frags’ has no member named ‘match’
  nf_frags.match = ip6_frag_match;
          ^
/root/ovs/datapath/linux/nf_conntrack_reasm.c:578:19: error: ‘ip6_frag_match’ undeclared (first use in this function)
  nf_frags.match = ip6_frag_match;
                   ^
/root/ovs/datapath/linux/nf_conntrack_reasm.c:578:19: note: each undeclared identifier is reported only once for each function it appears in
/root/ovs/datapath/linux/nf_conntrack_reasm.c: In function ‘nf_hash_frag’:
/root/ovs/datapath/linux/nf_conntrack_reasm.c:82:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
cc1: some warnings being treated as errors
scripts/Makefile.build:285: recipe for target '/root/ovs/datapath/linux/nf_conntrack_reasm.o' failed
make[5]: *** [/root/ovs/datapath/linux/nf_conntrack_reasm.o] Error 1
Makefile:1454: recipe for target '_module_/root/ovs/datapath/linux' failed
make[4]: *** [_module_/root/ovs/datapath/linux] Error 2
make[4]: Leaving directory '/usr/src/linux-headers-4.4.0-169-generic'
Makefile.main:71: recipe for target 'default' failed


Any opinions about compatibility?

Regards,

Andrei Andone

Software Developer

CPLANE NETWORKS

Mobile: +40 746 353 047
Skype: andrei.andone.1123




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