Re: [PATCH WIP nf-next] netfilter: nft_ct: add ct timeout support

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Hi Harsha,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on nf/master]
[also build test ERROR on v4.16-rc7]
[cannot apply to nf-next/master next-20180329]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Harsha-Sharma/netfilter-nft_ct-add-ct-timeout-support/20180401-070944
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git master
config: x86_64-rhel (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from include/linux/kernel.h:10:0,
                    from net//netfilter/nft_ct.c:12:
   net//netfilter/nft_ct.c: In function 'ctnl_timeout_parse_policy':
   net//netfilter/nft_ct.c:743:22: error: 'const struct nf_conntrack_l4proto' has no member named 'ctnl_timeout'; did you mean 'get_timeouts'?
     if (likely(l4proto->ctnl_timeout.nlattr_to_obj)) {
                         ^
   include/linux/compiler.h:76:40: note: in definition of macro 'likely'
    # define likely(x) __builtin_expect(!!(x), 1)
                                           ^
   net//netfilter/nft_ct.c:744:30: error: 'const struct nf_conntrack_l4proto' has no member named 'ctnl_timeout'; did you mean 'get_timeouts'?
      struct nlattr *tb[l4proto->ctnl_timeout.nlattr_max + 1];
                                 ^~~~~~~~~~~~
                                 get_timeouts
   net//netfilter/nft_ct.c:746:39: error: 'const struct nf_conntrack_l4proto' has no member named 'ctnl_timeout'; did you mean 'get_timeouts'?
      ret = nla_parse_nested(tb, l4proto->ctnl_timeout.nlattr_max,
                                          ^~~~~~~~~~~~
                                          get_timeouts
   net//netfilter/nft_ct.c:747:27: error: 'const struct nf_conntrack_l4proto' has no member named 'ctnl_timeout'; did you mean 'get_timeouts'?
               attr, l4proto->ctnl_timeout.nla_policy,
                              ^~~~~~~~~~~~
                              get_timeouts
   net//netfilter/nft_ct.c:752:18: error: 'const struct nf_conntrack_l4proto' has no member named 'ctnl_timeout'; did you mean 'get_timeouts'?
      ret = l4proto->ctnl_timeout.nlattr_to_obj(tb, net, timeouts);
                     ^~~~~~~~~~~~
                     get_timeouts
   net//netfilter/nft_ct.c:744:18: warning: unused variable 'tb' [-Wunused-variable]
      struct nlattr *tb[l4proto->ctnl_timeout.nlattr_max + 1];
                     ^~
   net//netfilter/nft_ct.c: In function 'nft_ct_timeout_obj_init':
>> net//netfilter/nft_ct.c:782:28: error: 'struct net' has no member named 'nfct_timeout_list'; did you mean 'nfnl_acct_list'?
     INIT_LIST_HEAD(&ctx->net->nfct_timeout_list);
                               ^~~~~~~~~~~~~~~~~
                               nfnl_acct_list
   In file included from net//netfilter/nft_ct.c:12:0:
   net//netfilter/nft_ct.c:783:42: error: 'struct net' has no member named 'nfct_timeout_list'; did you mean 'nfnl_acct_list'?
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
                                             ^
   include/linux/kernel.h:930:26: note: in definition of macro 'container_of'
     void *__mptr = (void *)(ptr);     \
                             ^~~
   include/linux/list.h:377:2: note: in expansion of macro 'list_entry'
     list_entry((ptr)->next, type, member)
     ^~~~~~~~~~
   include/linux/list.h:464:13: note: in expansion of macro 'list_first_entry'
     for (pos = list_first_entry(head, typeof(*pos), member); \
                ^~~~~~~~~~~~~~~~
   net//netfilter/nft_ct.c:783:2: note: in expansion of macro 'list_for_each_entry'
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
     ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/kernel.h:10:0,
                    from net//netfilter/nft_ct.c:12:
   net//netfilter/nft_ct.c:783:42: error: 'struct net' has no member named 'nfct_timeout_list'; did you mean 'nfnl_acct_list'?
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
                                             ^
   include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
      bool __cond = !(condition);    \
                      ^~~~~~~~~
   include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:931:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
     ^~~~~~~~~~~~~~~~
   include/linux/kernel.h:931:20: note: in expansion of macro '__same_type'
     BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
                       ^~~~~~~~~~~
   include/linux/list.h:366:2: note: in expansion of macro 'container_of'
     container_of(ptr, type, member)
     ^~~~~~~~~~~~
   include/linux/list.h:377:2: note: in expansion of macro 'list_entry'
     list_entry((ptr)->next, type, member)
     ^~~~~~~~~~
   include/linux/list.h:464:13: note: in expansion of macro 'list_first_entry'
     for (pos = list_first_entry(head, typeof(*pos), member); \
                ^~~~~~~~~~~~~~~~
   net//netfilter/nft_ct.c:783:2: note: in expansion of macro 'list_for_each_entry'
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
     ^~~~~~~~~~~~~~~~~~~
   net//netfilter/nft_ct.c:783:42: error: 'struct net' has no member named 'nfct_timeout_list'; did you mean 'nfnl_acct_list'?
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
                                             ^
   include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
      bool __cond = !(condition);    \
                      ^~~~~~~~~
   include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/kernel.h:931:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
     ^~~~~~~~~~~~~~~~
   include/linux/kernel.h:932:6: note: in expansion of macro '__same_type'
        !__same_type(*(ptr), void),   \
         ^~~~~~~~~~~
   include/linux/list.h:366:2: note: in expansion of macro 'container_of'
     container_of(ptr, type, member)
     ^~~~~~~~~~~~
   include/linux/list.h:377:2: note: in expansion of macro 'list_entry'
     list_entry((ptr)->next, type, member)
     ^~~~~~~~~~
   include/linux/list.h:464:13: note: in expansion of macro 'list_first_entry'
     for (pos = list_first_entry(head, typeof(*pos), member); \
                ^~~~~~~~~~~~~~~~
   net//netfilter/nft_ct.c:783:2: note: in expansion of macro 'list_for_each_entry'
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
     ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/module.h:9:0,
                    from net//netfilter/nft_ct.c:14:
   net//netfilter/nft_ct.c:783:42: error: 'struct net' has no member named 'nfct_timeout_list'; did you mean 'nfnl_acct_list'?
     list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
                                             ^
   include/linux/list.h:465:24: note: in definition of macro 'list_for_each_entry'
          &pos->member != (head);     \
                           ^~~~
   net//netfilter/nft_ct.c:805:15: error: 'const struct nf_conntrack_l4proto' has no member named 'ctnl_timeout'; did you mean 'get_timeouts'?
         l4proto->ctnl_timeout.obj_size, GFP_KERNEL);
                  ^~~~~~~~~~~~
                  get_timeouts
   net//netfilter/nft_ct.c:817:47: error: 'struct net' has no member named 'nfct_timeout_list'; did you mean 'nfnl_acct_list'?
     list_add_tail_rcu(&timeout->head, &ctx->net->nfct_timeout_list);
                                                  ^~~~~~~~~~~~~~~~~
                                                  nfnl_acct_list
   In file included from include/linux/kernel.h:10:0,
                    from net//netfilter/nft_ct.c:12:
   net//netfilter/nft_ct.c: In function 'nft_ct_timeout_obj_dump':

vim +782 net//netfilter/nft_ct.c

   735	
   736	static int
   737	ctnl_timeout_parse_policy(void *timeouts,
   738				  const struct nf_conntrack_l4proto *l4proto,
   739				  struct net *net, const struct nlattr *attr)
   740	{
   741		int ret = 0;
   742	
   743		if (likely(l4proto->ctnl_timeout.nlattr_to_obj)) {
   744			struct nlattr *tb[l4proto->ctnl_timeout.nlattr_max + 1];
   745	
   746			ret = nla_parse_nested(tb, l4proto->ctnl_timeout.nlattr_max,
   747					       attr, l4proto->ctnl_timeout.nla_policy,
   748					       NULL);
   749			if (ret < 0)
   750				return ret;
   751	
 > 752			ret = l4proto->ctnl_timeout.nlattr_to_obj(tb, net, timeouts);
   753		}
   754		return ret;
   755	}
   756	
   757	static void nft_ct_timeout_obj_eval(struct nft_object *obj,
   758					    struct nft_regs *regs,
   759					    const struct nft_pktinfo *pkt)
   760	{
   761	}
   762	
   763	static int nft_ct_timeout_obj_init(const struct nft_ctx *ctx,
   764					   const struct nlattr * const tb[],
   765					   struct nft_object *obj)
   766	{
   767		__u16 l3num;
   768		__u8 l4num;
   769		struct nft_ct_timeout_obj *priv = nft_obj_data(obj);
   770		const struct nf_conntrack_l4proto *l4proto;
   771		struct ctnl_timeout *timeout, *matching = NULL;
   772		int ret;
   773	
   774		if (!tb[NFTA_CT_TIMEOUT_L4PROTO] ||
   775		    !tb[NFTA_CT_TIMEOUT_L3PROTO] ||
   776		    !tb[NFTA_CT_TIMEOUT_DATA])
   777			return -EINVAL;
   778	
   779		l3num = ntohs(nla_get_be16(tb[NFTA_CT_TIMEOUT_L3PROTO]));
   780		l4num = nla_get_u8(tb[NFTA_CT_TIMEOUT_L4PROTO]);
   781	
 > 782		INIT_LIST_HEAD(&ctx->net->nfct_timeout_list);
   783		list_for_each_entry(timeout, &ctx->net->nfct_timeout_list, head) {
   784			matching = timeout;
   785			break;
   786		}
   787	
   788		if (matching) {
   789			if (matching->l3num != l3num ||
   790			    matching->l4proto->l4proto != l4num)
   791				return -EINVAL;
   792			return ctnl_timeout_parse_policy(&matching->data,
   793							 matching->l4proto, ctx->net,
   794							 tb[NFTA_CT_TIMEOUT_DATA]);
   795		}
   796	
   797		l4proto = nf_ct_l4proto_find_get(l3num, l4num);
   798	
   799		if (l4proto->l4proto != l4num) {
   800			ret = -EOPNOTSUPP;
   801			goto err_proto_put;
   802		}
   803	
   804		timeout = kzalloc(sizeof(struct ctnl_timeout) +
   805				  l4proto->ctnl_timeout.obj_size, GFP_KERNEL);
   806		if (timeout == NULL) {
   807			ret = -ENOMEM;
   808			goto err_proto_put;
   809		}
   810	
   811		ret = ctnl_timeout_parse_policy(&timeout->data, l4proto, ctx->net,
   812						tb[NFTA_CT_TIMEOUT_DATA]);
   813		if (ret < 0)
   814			goto err;
   815		timeout->l3num = l3num;
   816		timeout->l4proto = l4proto;
   817		list_add_tail_rcu(&timeout->head, &ctx->net->nfct_timeout_list);
   818		priv->timeout = timeout;
   819	
   820		return 0;
   821	err:
   822		kfree(timeout);
   823	err_proto_put:
   824		nf_ct_l4proto_put(l4proto);
   825		return ret;
   826	}
   827	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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