From patchwork Thu Jan 9 18:42:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrick McHardy X-Patchwork-Id: 308926 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 70E962C00A8 for ; Fri, 10 Jan 2014 05:43:30 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756940AbaAISn1 (ORCPT ); Thu, 9 Jan 2014 13:43:27 -0500 Received: from stinky.trash.net ([213.144.137.162]:51689 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756970AbaAISnV (ORCPT ); Thu, 9 Jan 2014 13:43:21 -0500 Received: from stinky.trash.net (unknown [127.0.0.1]) by stinky.trash.net (Postfix) with ESMTP id A2E029D2DF; Thu, 9 Jan 2014 19:43:19 +0100 (MET) From: Patrick McHardy To: pablo@netfilter.org Cc: netfilter-devel@vger.kernel.org Subject: [PATCH 08/13] netfilter: nf_tables: minor nf_chain_type cleanups Date: Thu, 9 Jan 2014 18:42:38 +0000 Message-Id: <1389292963-4089-9-git-send-email-kaber@trash.net> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1389292963-4089-1-git-send-email-kaber@trash.net> References: <1389292963-4089-1-git-send-email-kaber@trash.net> Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Minor nf_chain_type cleanups: - reorder struct to plug a hoe - rename struct module member to "owner" for consistency - rename nf_hookfn array to "hooks" for consistency - reorder initializers for better readability Signed-off-by: Patrick McHardy --- include/net/netfilter/nf_tables.h | 22 ++++++++++++++++------ net/bridge/netfilter/nf_tables_bridge.c | 4 ++-- net/ipv4/netfilter/nf_tables_arp.c | 4 ++-- net/ipv4/netfilter/nf_tables_ipv4.c | 4 ++-- net/ipv4/netfilter/nft_chain_nat_ipv4.c | 6 +++--- net/ipv4/netfilter/nft_chain_route_ipv4.c | 6 +++--- net/ipv6/netfilter/nf_tables_ipv6.c | 4 ++-- net/ipv6/netfilter/nft_chain_nat_ipv6.c | 6 +++--- net/ipv6/netfilter/nft_chain_route_ipv6.c | 6 +++--- net/netfilter/nf_tables_api.c | 12 ++++++------ net/netfilter/nf_tables_inet.c | 4 ++-- 11 files changed, 44 insertions(+), 34 deletions(-) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index d3f7053..3422365 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -498,13 +498,23 @@ struct nft_af_info { int nft_register_afinfo(struct net *, struct nft_af_info *); void nft_unregister_afinfo(struct nft_af_info *); +/** + * struct nf_chain_type - nf_tables chain type info + * + * @name: name of the type + * @type: numeric identifier + * @family: address family + * @owner: module owner + * @hook_mask: mask of valid hooks + * @hooks: hookfn overrides + */ struct nf_chain_type { - unsigned int hook_mask; - const char *name; - enum nft_chain_type type; - nf_hookfn *fn[NF_MAX_HOOKS]; - struct module *me; - int family; + const char *name; + enum nft_chain_type type; + int family; + struct module *owner; + unsigned int hook_mask; + nf_hookfn *hooks[NF_MAX_HOOKS]; }; int nft_register_chain_type(const struct nf_chain_type *); diff --git a/net/bridge/netfilter/nf_tables_bridge.c b/net/bridge/netfilter/nf_tables_bridge.c index 283658d..c83fab5 100644 --- a/net/bridge/netfilter/nf_tables_bridge.c +++ b/net/bridge/netfilter/nf_tables_bridge.c @@ -69,10 +69,10 @@ static struct pernet_operations nf_tables_bridge_net_ops = { }; static const struct nf_chain_type filter_bridge = { - .family = NFPROTO_BRIDGE, .name = "filter", .type = NFT_CHAIN_T_DEFAULT, - .me = THIS_MODULE, + .family = NFPROTO_BRIDGE, + .owner = THIS_MODULE, .hook_mask = (1 << NF_BR_LOCAL_IN) | (1 << NF_BR_FORWARD) | (1 << NF_BR_LOCAL_OUT), diff --git a/net/ipv4/netfilter/nf_tables_arp.c b/net/ipv4/netfilter/nf_tables_arp.c index 8af01a5..b90d16c 100644 --- a/net/ipv4/netfilter/nf_tables_arp.c +++ b/net/ipv4/netfilter/nf_tables_arp.c @@ -69,10 +69,10 @@ static struct pernet_operations nf_tables_arp_net_ops = { }; static const struct nf_chain_type filter_arp = { - .family = NFPROTO_ARP, .name = "filter", .type = NFT_CHAIN_T_DEFAULT, - .me = THIS_MODULE, + .family = NFPROTO_ARP, + .owner = THIS_MODULE, .hook_mask = (1 << NF_ARP_IN) | (1 << NF_ARP_OUT) | (1 << NF_ARP_FORWARD), diff --git a/net/ipv4/netfilter/nf_tables_ipv4.c b/net/ipv4/netfilter/nf_tables_ipv4.c index cec7805..66679fd 100644 --- a/net/ipv4/netfilter/nf_tables_ipv4.c +++ b/net/ipv4/netfilter/nf_tables_ipv4.c @@ -92,10 +92,10 @@ static struct pernet_operations nf_tables_ipv4_net_ops = { }; static const struct nf_chain_type filter_ipv4 = { - .family = NFPROTO_IPV4, .name = "filter", .type = NFT_CHAIN_T_DEFAULT, - .me = THIS_MODULE, + .family = NFPROTO_IPV4, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) | diff --git a/net/ipv4/netfilter/nft_chain_nat_ipv4.c b/net/ipv4/netfilter/nft_chain_nat_ipv4.c index 9e535c2..208d60a 100644 --- a/net/ipv4/netfilter/nft_chain_nat_ipv4.c +++ b/net/ipv4/netfilter/nft_chain_nat_ipv4.c @@ -165,20 +165,20 @@ static unsigned int nf_nat_output(const struct nf_hook_ops *ops, } static const struct nf_chain_type nft_chain_nat_ipv4 = { - .family = NFPROTO_IPV4, .name = "nat", .type = NFT_CHAIN_T_NAT, + .family = NFPROTO_IPV4, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_POST_ROUTING) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_LOCAL_IN), - .fn = { + .hooks = { [NF_INET_PRE_ROUTING] = nf_nat_prerouting, [NF_INET_POST_ROUTING] = nf_nat_postrouting, [NF_INET_LOCAL_OUT] = nf_nat_output, [NF_INET_LOCAL_IN] = nf_nat_fn, }, - .me = THIS_MODULE, }; static int __init nft_chain_nat_init(void) diff --git a/net/ipv4/netfilter/nft_chain_route_ipv4.c b/net/ipv4/netfilter/nft_chain_route_ipv4.c index 2dd2eea..67db1bb 100644 --- a/net/ipv4/netfilter/nft_chain_route_ipv4.c +++ b/net/ipv4/netfilter/nft_chain_route_ipv4.c @@ -62,14 +62,14 @@ static unsigned int nf_route_table_hook(const struct nf_hook_ops *ops, } static const struct nf_chain_type nft_chain_route_ipv4 = { - .family = NFPROTO_IPV4, .name = "route", .type = NFT_CHAIN_T_ROUTE, + .family = NFPROTO_IPV4, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_LOCAL_OUT), - .fn = { + .hooks = { [NF_INET_LOCAL_OUT] = nf_route_table_hook, }, - .me = THIS_MODULE, }; static int __init nft_chain_route_init(void) diff --git a/net/ipv6/netfilter/nf_tables_ipv6.c b/net/ipv6/netfilter/nf_tables_ipv6.c index 758a32b..859fca0 100644 --- a/net/ipv6/netfilter/nf_tables_ipv6.c +++ b/net/ipv6/netfilter/nf_tables_ipv6.c @@ -91,10 +91,10 @@ static struct pernet_operations nf_tables_ipv6_net_ops = { }; static const struct nf_chain_type filter_ipv6 = { - .family = NFPROTO_IPV6, .name = "filter", .type = NFT_CHAIN_T_DEFAULT, - .me = THIS_MODULE, + .family = NFPROTO_IPV6, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) | diff --git a/net/ipv6/netfilter/nft_chain_nat_ipv6.c b/net/ipv6/netfilter/nft_chain_nat_ipv6.c index efd1d57..9ed60ab 100644 --- a/net/ipv6/netfilter/nft_chain_nat_ipv6.c +++ b/net/ipv6/netfilter/nft_chain_nat_ipv6.c @@ -171,20 +171,20 @@ static unsigned int nf_nat_ipv6_output(const struct nf_hook_ops *ops, } static const struct nf_chain_type nft_chain_nat_ipv6 = { - .family = NFPROTO_IPV6, .name = "nat", .type = NFT_CHAIN_T_NAT, + .family = NFPROTO_IPV6, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_POST_ROUTING) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_LOCAL_IN), - .fn = { + .hooks = { [NF_INET_PRE_ROUTING] = nf_nat_ipv6_prerouting, [NF_INET_POST_ROUTING] = nf_nat_ipv6_postrouting, [NF_INET_LOCAL_OUT] = nf_nat_ipv6_output, [NF_INET_LOCAL_IN] = nf_nat_ipv6_fn, }, - .me = THIS_MODULE, }; static int __init nft_chain_nat_ipv6_init(void) diff --git a/net/ipv6/netfilter/nft_chain_route_ipv6.c b/net/ipv6/netfilter/nft_chain_route_ipv6.c index 3620f88..b2b7eff 100644 --- a/net/ipv6/netfilter/nft_chain_route_ipv6.c +++ b/net/ipv6/netfilter/nft_chain_route_ipv6.c @@ -60,14 +60,14 @@ static unsigned int nf_route_table_hook(const struct nf_hook_ops *ops, } static const struct nf_chain_type nft_chain_route_ipv6 = { - .family = NFPROTO_IPV6, .name = "route", .type = NFT_CHAIN_T_ROUTE, + .family = NFPROTO_IPV6, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_LOCAL_OUT), - .fn = { + .hooks = { [NF_INET_LOCAL_OUT] = nf_route_table_hook, }, - .me = THIS_MODULE, }; static int __init nft_chain_route_init(void) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index acdd9d6..c8ca3b8 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -929,9 +929,9 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, if (!(type->hook_mask & (1 << hooknum))) return -EOPNOTSUPP; - if (!try_module_get(type->me)) + if (!try_module_get(type->owner)) return -ENOENT; - hookfn = type->fn[hooknum]; + hookfn = type->hooks[hooknum]; basechain = kzalloc(sizeof(*basechain), GFP_KERNEL); if (basechain == NULL) @@ -941,7 +941,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, err = nf_tables_counters(basechain, nla[NFTA_CHAIN_COUNTERS]); if (err < 0) { - module_put(type->me); + module_put(type->owner); kfree(basechain); return err; } @@ -950,7 +950,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, newstats = alloc_percpu(struct nft_stats); if (newstats == NULL) { - module_put(type->me); + module_put(type->owner); kfree(basechain); return -ENOMEM; } @@ -992,7 +992,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, chain->flags & NFT_BASE_CHAIN) { err = nf_register_hooks(nft_base_chain(chain)->ops, afi->nops); if (err < 0) { - module_put(basechain->type->me); + module_put(basechain->type->owner); free_percpu(basechain->stats); kfree(basechain); return err; @@ -1013,7 +1013,7 @@ static void nf_tables_rcu_chain_destroy(struct rcu_head *head) BUG_ON(chain->use > 0); if (chain->flags & NFT_BASE_CHAIN) { - module_put(nft_base_chain(chain)->type->me); + module_put(nft_base_chain(chain)->type->owner); free_percpu(nft_base_chain(chain)->stats); kfree(nft_base_chain(chain)); } else diff --git a/net/netfilter/nf_tables_inet.c b/net/netfilter/nf_tables_inet.c index ee29ba2..84478de 100644 --- a/net/netfilter/nf_tables_inet.c +++ b/net/netfilter/nf_tables_inet.c @@ -67,10 +67,10 @@ static struct pernet_operations nf_tables_inet_net_ops = { }; static const struct nf_chain_type filter_inet = { - .family = NFPROTO_INET, .name = "filter", .type = NFT_CHAIN_T_DEFAULT, - .me = THIS_MODULE, + .family = NFPROTO_INET, + .owner = THIS_MODULE, .hook_mask = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |