From: Patrick McHardy Date: Wed, 29 Nov 2006 01:35:15 +0000 (+0100) Subject: [NETFILTER]: nf_conntrack: move extern declaration to header files X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f8eb24a89afa12b48fa7e39775faea6d64b8e538;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [NETFILTER]: nf_conntrack: move extern declaration to header files Using extern in a C file is a bad idea because the compiler can't catch type errors. Signed-off-by: Patrick McHardy --- diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h index 91684436af8e..8c4f7e89ce55 100644 --- a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h +++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h @@ -37,4 +37,8 @@ struct nf_conntrack_ipv4 { struct sk_buff * nf_ct_ipv4_ct_gather_frags(struct sk_buff *skb); +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4; +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4; +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp; + #endif /*_NF_CONNTRACK_IPV4_H*/ diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h new file mode 100644 index 000000000000..b4b6049e01fa --- /dev/null +++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h @@ -0,0 +1,25 @@ +#ifndef _NF_CONNTRACK_IPV6_H +#define _NF_CONNTRACK_IPV6_H + +extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6; + +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6; +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6; +extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6; + +extern int nf_ct_ipv6_skip_exthdr(struct sk_buff *skb, int start, + u8 *nexthdrp, int len); + +extern int nf_ct_frag6_init(void); +extern void nf_ct_frag6_cleanup(void); +extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb); +extern void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb, + struct net_device *in, + struct net_device *out, + int (*okfn)(struct sk_buff *)); + +extern unsigned int nf_ct_frag6_timeout; +extern unsigned int nf_ct_frag6_low_thresh; +extern unsigned int nf_ct_frag6_high_thresh; + +#endif /* _NF_CONNTRACK_IPV6_H*/ diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 9a2950551cd3..d0d0e6491448 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -79,6 +79,8 @@ struct nf_conn_help { #include +#include + struct nf_conn { /* Usage count in here is 1 for hash table/destruct timer, 1 per skb, @@ -241,7 +243,10 @@ static inline int nf_ct_is_dying(struct nf_conn *ct) extern unsigned int nf_conntrack_htable_size; extern int nf_conntrack_checksum; +extern atomic_t nf_conntrack_count; +extern int nf_conntrack_max; +DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat); #define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++) /* no helper, no nat */ diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index 370df0fdb22b..d1907082d7d6 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -38,8 +38,6 @@ #define DEBUGP(format, args...) #endif -DECLARE_PER_CPU(struct nf_conntrack_stat, nf_conntrack_stat); - static int ipv4_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff, struct nf_conntrack_tuple *tuple) { @@ -429,10 +427,6 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4 = { .me = THIS_MODULE, }; -extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4; -extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4; -extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp; - MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET)); MODULE_LICENSE("GPL"); diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c index cdbba44017df..9108ecc22bea 100644 --- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c +++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c @@ -43,8 +43,6 @@ #define DEBUGP(format, args...) #endif -DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat); - static int ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff, struct nf_conntrack_tuple *tuple) { @@ -211,11 +209,6 @@ out: return nf_conntrack_confirm(pskb); } -extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb); -extern void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb, - struct net_device *in, - struct net_device *out, - int (*okfn)(struct sk_buff *)); static unsigned int ipv6_defrag(unsigned int hooknum, struct sk_buff **pskb, const struct net_device *in, @@ -335,11 +328,6 @@ static struct nf_hook_ops ipv6_conntrack_ops[] = { /* From nf_conntrack_proto_icmpv6.c */ extern unsigned int nf_ct_icmpv6_timeout; -/* From nf_conntrack_reasm.c */ -extern unsigned int nf_ct_frag6_timeout; -extern unsigned int nf_ct_frag6_low_thresh; -extern unsigned int nf_ct_frag6_high_thresh; - static struct ctl_table_header *nf_ct_ipv6_sysctl_header; static ctl_table nf_ct_sysctl_table[] = { @@ -458,12 +446,6 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 = { .me = THIS_MODULE, }; -extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6; -extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6; -extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6; -extern int nf_ct_frag6_init(void); -extern void nf_ct_frag6_cleanup(void); - MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6)); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI "); diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index 2cdf225f162d..b3b468c0ef7a 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -142,9 +142,6 @@ static int icmpv6_new(struct nf_conn *conntrack, return 1; } -extern int -nf_ct_ipv6_skip_exthdr(struct sk_buff *skb, int start, u8 *nexthdrp, int len); -extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6; static int icmpv6_error_message(struct sk_buff *skb, unsigned int icmp6off, diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 7269bffd8e49..79cfd79a42f0 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -28,7 +28,6 @@ LIST_HEAD(nf_conntrack_expect_list); kmem_cache_t *nf_conntrack_expect_cachep __read_mostly; -DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat); static unsigned int nf_conntrack_expect_next_id; /* nf_conntrack_expect helper functions */ diff --git a/net/netfilter/nf_conntrack_l3proto_generic.c b/net/netfilter/nf_conntrack_l3proto_generic.c index 1852c9d927d8..3124b3a30102 100644 --- a/net/netfilter/nf_conntrack_l3proto_generic.c +++ b/net/netfilter/nf_conntrack_l3proto_generic.c @@ -37,8 +37,6 @@ #define DEBUGP(format, args...) #endif -DECLARE_PER_CPU(struct nf_conntrack_stat, nf_conntrack_stat); - static int generic_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff, struct nf_conntrack_tuple *tuple) { diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index f87d333b0c0c..2283a2686949 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -44,9 +44,6 @@ MODULE_LICENSE("GPL"); -extern atomic_t nf_conntrack_count; -DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat); - #ifdef CONFIG_PROC_FS int print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple, @@ -334,10 +331,6 @@ int nf_conntrack_checksum __read_mostly = 1; #ifdef CONFIG_SYSCTL -/* From nf_conntrack_core.c */ -extern int nf_conntrack_max; -extern unsigned int nf_conntrack_htable_size; - /* From nf_conntrack_proto_tcp.c */ extern unsigned int nf_ct_tcp_timeout_syn_sent; extern unsigned int nf_ct_tcp_timeout_syn_recv;