tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a27fc14219f2e3c4a46ba9177b04d9b52c875532 commit: 02c7b25e5f54321b9063e18d4f52cce07f8e081d netfilter: nf_tables: build-in filter chain type date: 3 weeks ago config: x86_64-randconfig-s3-04180252 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 02c7b25e5f54321b9063e18d4f52cce07f8e081d # save the attached .config to linux build tree make ARCH=x86_64
All errors (new ones prefixed by >>):
net/ipv6/netfilter/nft_chain_nat_ipv6.o: In function `nft_nat_do_chain':
>> net/ipv6/netfilter/nft_chain_nat_ipv6.c:37: undefined reference to
>> `nft_do_chain'
net/ipv6/netfilter/nft_chain_nat_ipv6.o: In function
`nft_chain_nat_ipv6_exit':
>> net/ipv6/netfilter/nft_chain_nat_ipv6.c:94: undefined reference to
>> `nft_unregister_chain_type'
net/ipv6/netfilter/nft_chain_nat_ipv6.o: In function
`nft_chain_nat_ipv6_init':
>> net/ipv6/netfilter/nft_chain_nat_ipv6.c:87: undefined reference to
>> `nft_register_chain_type'
vim +37 net/ipv6/netfilter/nft_chain_nat_ipv6.c
eb31628e3 Tomasz Bursztyka 2013-10-10 26
06198b34a Eric W. Biederman 2015-09-18 27 static unsigned int
nft_nat_do_chain(void *priv,
eb31628e3 Tomasz Bursztyka 2013-10-10 28
struct sk_buff *skb,
8fe22382d David S. Miller 2015-04-03 29
const struct nf_hook_state *state,
876665eaf Pablo Neira Ayuso 2014-09-09 30
struct nf_conn *ct)
eb31628e3 Tomasz Bursztyka 2013-10-10 31 {
eb31628e3 Tomasz Bursztyka 2013-10-10 32 struct nft_pktinfo pkt;
eb31628e3 Tomasz Bursztyka 2013-10-10 33
7a4473a31 Pablo Neira Ayuso 2017-12-10 34 nft_set_pktinfo(&pkt, skb,
state);
7a4473a31 Pablo Neira Ayuso 2017-12-10 35 nft_set_pktinfo_ipv6(&pkt, skb);
eb31628e3 Tomasz Bursztyka 2013-10-10 36
06198b34a Eric W. Biederman 2015-09-18 @37 return nft_do_chain(&pkt, priv);
eb31628e3 Tomasz Bursztyka 2013-10-10 38 }
eb31628e3 Tomasz Bursztyka 2013-10-10 39
06198b34a Eric W. Biederman 2015-09-18 40 static unsigned int
nft_nat_ipv6_fn(void *priv,
876665eaf Pablo Neira Ayuso 2014-09-09 41
struct sk_buff *skb,
238e54c9c David S. Miller 2015-04-03 42
const struct nf_hook_state *state)
876665eaf Pablo Neira Ayuso 2014-09-09 43 {
06198b34a Eric W. Biederman 2015-09-18 44 return nf_nat_ipv6_fn(priv,
skb, state, nft_nat_do_chain);
eb31628e3 Tomasz Bursztyka 2013-10-10 45 }
eb31628e3 Tomasz Bursztyka 2013-10-10 46
06198b34a Eric W. Biederman 2015-09-18 47 static unsigned int
nft_nat_ipv6_in(void *priv,
eb31628e3 Tomasz Bursztyka 2013-10-10 48
struct sk_buff *skb,
238e54c9c David S. Miller 2015-04-03 49
const struct nf_hook_state *state)
eb31628e3 Tomasz Bursztyka 2013-10-10 50 {
06198b34a Eric W. Biederman 2015-09-18 51 return nf_nat_ipv6_in(priv,
skb, state, nft_nat_do_chain);
eb31628e3 Tomasz Bursztyka 2013-10-10 52 }
eb31628e3 Tomasz Bursztyka 2013-10-10 53
06198b34a Eric W. Biederman 2015-09-18 54 static unsigned int
nft_nat_ipv6_out(void *priv,
eb31628e3 Tomasz Bursztyka 2013-10-10 55
struct sk_buff *skb,
238e54c9c David S. Miller 2015-04-03 56
const struct nf_hook_state *state)
eb31628e3 Tomasz Bursztyka 2013-10-10 57 {
06198b34a Eric W. Biederman 2015-09-18 58 return nf_nat_ipv6_out(priv,
skb, state, nft_nat_do_chain);
eb31628e3 Tomasz Bursztyka 2013-10-10 59 }
eb31628e3 Tomasz Bursztyka 2013-10-10 60
06198b34a Eric W. Biederman 2015-09-18 61 static unsigned int
nft_nat_ipv6_local_fn(void *priv,
eb31628e3 Tomasz Bursztyka 2013-10-10 62
struct sk_buff *skb,
238e54c9c David S. Miller 2015-04-03 63
const struct nf_hook_state *state)
eb31628e3 Tomasz Bursztyka 2013-10-10 64 {
06198b34a Eric W. Biederman 2015-09-18 65 return
nf_nat_ipv6_local_fn(priv, skb, state, nft_nat_do_chain);
eb31628e3 Tomasz Bursztyka 2013-10-10 66 }
eb31628e3 Tomasz Bursztyka 2013-10-10 67
32537e918 Pablo Neira Ayuso 2018-03-27 68 static const struct nft_chain_type
nft_chain_nat_ipv6 = {
eb31628e3 Tomasz Bursztyka 2013-10-10 69 .name = "nat",
eb31628e3 Tomasz Bursztyka 2013-10-10 70 .type =
NFT_CHAIN_T_NAT,
fa2c1de0b Patrick McHardy 2014-01-09 71 .family = NFPROTO_IPV6,
fa2c1de0b Patrick McHardy 2014-01-09 72 .owner = THIS_MODULE,
eb31628e3 Tomasz Bursztyka 2013-10-10 73 .hook_mask = (1 <<
NF_INET_PRE_ROUTING) |
eb31628e3 Tomasz Bursztyka 2013-10-10 74 (1 <<
NF_INET_POST_ROUTING) |
eb31628e3 Tomasz Bursztyka 2013-10-10 75 (1 <<
NF_INET_LOCAL_OUT) |
eb31628e3 Tomasz Bursztyka 2013-10-10 76 (1 <<
NF_INET_LOCAL_IN),
fa2c1de0b Patrick McHardy 2014-01-09 77 .hooks = {
876665eaf Pablo Neira Ayuso 2014-09-09 78 [NF_INET_PRE_ROUTING]
= nft_nat_ipv6_in,
876665eaf Pablo Neira Ayuso 2014-09-09 79 [NF_INET_POST_ROUTING]
= nft_nat_ipv6_out,
876665eaf Pablo Neira Ayuso 2014-09-09 80 [NF_INET_LOCAL_OUT]
= nft_nat_ipv6_local_fn,
2a5538e9a Pablo Neira Ayuso 2014-08-25 81 [NF_INET_LOCAL_IN]
= nft_nat_ipv6_fn,
eb31628e3 Tomasz Bursztyka 2013-10-10 82 },
eb31628e3 Tomasz Bursztyka 2013-10-10 83 };
eb31628e3 Tomasz Bursztyka 2013-10-10 84
eb31628e3 Tomasz Bursztyka 2013-10-10 85 static int __init
nft_chain_nat_ipv6_init(void)
eb31628e3 Tomasz Bursztyka 2013-10-10 86 {
cc07eeb0e Pablo Neira Ayuso 2018-03-27 @87
nft_register_chain_type(&nft_chain_nat_ipv6);
eb31628e3 Tomasz Bursztyka 2013-10-10 88
eb31628e3 Tomasz Bursztyka 2013-10-10 89 return 0;
eb31628e3 Tomasz Bursztyka 2013-10-10 90 }
eb31628e3 Tomasz Bursztyka 2013-10-10 91
eb31628e3 Tomasz Bursztyka 2013-10-10 92 static void __exit
nft_chain_nat_ipv6_exit(void)
eb31628e3 Tomasz Bursztyka 2013-10-10 93 {
eb31628e3 Tomasz Bursztyka 2013-10-10 @94
nft_unregister_chain_type(&nft_chain_nat_ipv6);
eb31628e3 Tomasz Bursztyka 2013-10-10 95 }
eb31628e3 Tomasz Bursztyka 2013-10-10 96
:::::: The code at line 37 was first introduced by commit
:::::: 06198b34a3e09e06d9aecaa3727e0d37206cea77 netfilter: Pass priv instead of
nf_hook_ops to netfilter hooks
:::::: TO: Eric W. Biederman <[email protected]>
:::::: CC: Pablo Neira Ayuso <[email protected]>
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