mirror of
https://github.com/torvalds/linux.git
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[NETFILTER]: {ip,ip6}_tables: remove some inlines
This patch removes inlines except those which are used by packet matching code and thus are performance-critical. Before: $ size */*/*/ip*tables*.o text data bss dec hex filename 6402 500 16 6918 1b06 net/ipv4/netfilter/ip_tables.o 7130 500 16 7646 1dde net/ipv6/netfilter/ip6_tables.o After: $ size */*/*/ip*tables*.o text data bss dec hex filename 6307 500 16 6823 1aa7 net/ipv4/netfilter/ip_tables.o 7010 500 16 7526 1d66 net/ipv6/netfilter/ip6_tables.o Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denys Vlasenko
David S. Miller
parent
f9ef8a23c3
commit
022748a935
@ -75,6 +75,7 @@ do { \
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Hence the start of any table is given by get_table() below. */
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/* Returns whether matches rule or not. */
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/* Performance critical - called for every packet */
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static inline bool
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ip_packet_match(const struct iphdr *ip,
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const char *indev,
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@ -153,7 +154,7 @@ ip_packet_match(const struct iphdr *ip,
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return true;
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}
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static inline bool
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static bool
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ip_checkentry(const struct ipt_ip *ip)
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{
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if (ip->flags & ~IPT_F_MASK) {
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@ -183,8 +184,9 @@ ipt_error(struct sk_buff *skb,
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return NF_DROP;
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}
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static inline
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bool do_match(struct ipt_entry_match *m,
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/* Performance critical - called for every packet */
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static inline bool
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do_match(struct ipt_entry_match *m,
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const struct sk_buff *skb,
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const struct net_device *in,
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const struct net_device *out,
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@ -199,6 +201,7 @@ bool do_match(struct ipt_entry_match *m,
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return false;
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}
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/* Performance critical */
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static inline struct ipt_entry *
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get_entry(void *base, unsigned int offset)
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{
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@ -206,6 +209,7 @@ get_entry(void *base, unsigned int offset)
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}
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/* All zeroes == unconditional rule. */
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/* Mildly perf critical (only if packet tracing is on) */
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static inline int
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unconditional(const struct ipt_ip *ip)
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{
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@ -221,7 +225,7 @@ unconditional(const struct ipt_ip *ip)
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#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
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defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
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static const char *hooknames[] = {
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static const char *const hooknames[] = {
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[NF_INET_PRE_ROUTING] = "PREROUTING",
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[NF_INET_LOCAL_IN] = "INPUT",
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[NF_INET_FORWARD] = "FORWARD",
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@ -235,7 +239,7 @@ enum nf_ip_trace_comments {
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NF_IP_TRACE_COMMENT_POLICY,
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};
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static const char *comments[] = {
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static const char *const comments[] = {
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[NF_IP_TRACE_COMMENT_RULE] = "rule",
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[NF_IP_TRACE_COMMENT_RETURN] = "return",
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[NF_IP_TRACE_COMMENT_POLICY] = "policy",
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@ -251,6 +255,7 @@ static struct nf_loginfo trace_loginfo = {
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},
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};
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/* Mildly perf critical (only if packet tracing is on) */
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static inline int
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get_chainname_rulenum(struct ipt_entry *s, struct ipt_entry *e,
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char *hookname, char **chainname,
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@ -567,7 +572,7 @@ mark_source_chains(struct xt_table_info *newinfo,
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return 1;
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}
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static inline int
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static int
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cleanup_match(struct ipt_entry_match *m, unsigned int *i)
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{
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if (i && (*i)-- == 0)
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@ -579,7 +584,7 @@ cleanup_match(struct ipt_entry_match *m, unsigned int *i)
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return 0;
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}
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static inline int
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static int
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check_entry(struct ipt_entry *e, const char *name)
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{
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struct ipt_entry_target *t;
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@ -600,7 +605,8 @@ check_entry(struct ipt_entry *e, const char *name)
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return 0;
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}
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static inline int check_match(struct ipt_entry_match *m, const char *name,
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static int
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check_match(struct ipt_entry_match *m, const char *name,
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const struct ipt_ip *ip,
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unsigned int hookmask, unsigned int *i)
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{
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@ -623,7 +629,7 @@ static inline int check_match(struct ipt_entry_match *m, const char *name,
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return ret;
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}
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static inline int
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static int
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find_check_match(struct ipt_entry_match *m,
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const char *name,
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const struct ipt_ip *ip,
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@ -652,7 +658,7 @@ err:
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return ret;
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}
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static inline int check_target(struct ipt_entry *e, const char *name)
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static int check_target(struct ipt_entry *e, const char *name)
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{
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struct ipt_entry_target *t;
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struct xt_target *target;
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@ -673,7 +679,7 @@ static inline int check_target(struct ipt_entry *e, const char *name)
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return ret;
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}
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static inline int
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static int
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find_check_entry(struct ipt_entry *e, const char *name, unsigned int size,
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unsigned int *i)
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{
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@ -717,7 +723,7 @@ find_check_entry(struct ipt_entry *e, const char *name, unsigned int size,
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return ret;
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}
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static inline int
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static int
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check_entry_size_and_hooks(struct ipt_entry *e,
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struct xt_table_info *newinfo,
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unsigned char *base,
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@ -760,7 +766,7 @@ check_entry_size_and_hooks(struct ipt_entry *e,
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return 0;
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}
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static inline int
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static int
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cleanup_entry(struct ipt_entry *e, unsigned int *i)
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{
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struct ipt_entry_target *t;
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@ -916,7 +922,7 @@ get_counters(const struct xt_table_info *t,
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}
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}
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static inline struct xt_counters * alloc_counters(struct xt_table *table)
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static struct xt_counters * alloc_counters(struct xt_table *table)
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{
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unsigned int countersize;
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struct xt_counters *counters;
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@ -1304,7 +1310,7 @@ do_replace(void __user *user, unsigned int len)
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/* We're lazy, and add to the first CPU; overflow works its fey magic
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* and everything is OK. */
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static inline int
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static int
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add_counter_to_entry(struct ipt_entry *e,
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const struct xt_counters addme[],
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unsigned int *i)
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@ -1465,7 +1471,7 @@ out:
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return ret;
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}
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static inline int
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static int
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compat_find_calc_match(struct ipt_entry_match *m,
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const char *name,
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const struct ipt_ip *ip,
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@ -1489,7 +1495,7 @@ compat_find_calc_match(struct ipt_entry_match *m,
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return 0;
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}
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static inline int
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static int
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compat_release_match(struct ipt_entry_match *m, unsigned int *i)
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{
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if (i && (*i)-- == 0)
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@ -1499,7 +1505,7 @@ compat_release_match(struct ipt_entry_match *m, unsigned int *i)
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return 0;
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}
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static inline int
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static int
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compat_release_entry(struct compat_ipt_entry *e, unsigned int *i)
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{
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struct ipt_entry_target *t;
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@ -1514,7 +1520,7 @@ compat_release_entry(struct compat_ipt_entry *e, unsigned int *i)
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return 0;
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}
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static inline int
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static int
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check_compat_entry_size_and_hooks(struct compat_ipt_entry *e,
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struct xt_table_info *newinfo,
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unsigned int *size,
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@ -1637,7 +1643,8 @@ compat_copy_entry_from_user(struct compat_ipt_entry *e, void **dstptr,
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return ret;
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}
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static inline int compat_check_entry(struct ipt_entry *e, const char *name,
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static int
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compat_check_entry(struct ipt_entry *e, const char *name,
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unsigned int *i)
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{
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int j, ret;
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@ -90,6 +90,7 @@ ip6t_ext_hdr(u8 nexthdr)
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}
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/* Returns whether matches rule or not. */
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/* Performance critical - called for every packet */
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static inline bool
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ip6_packet_match(const struct sk_buff *skb,
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const char *indev,
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@ -182,7 +183,7 @@ ip6_packet_match(const struct sk_buff *skb,
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}
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/* should be ip6 safe */
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static inline bool
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static bool
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ip6_checkentry(const struct ip6t_ip6 *ipv6)
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{
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if (ipv6->flags & ~IP6T_F_MASK) {
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@ -212,8 +213,9 @@ ip6t_error(struct sk_buff *skb,
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return NF_DROP;
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}
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static inline
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bool do_match(struct ip6t_entry_match *m,
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/* Performance critical - called for every packet */
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static inline bool
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do_match(struct ip6t_entry_match *m,
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const struct sk_buff *skb,
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const struct net_device *in,
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const struct net_device *out,
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@ -236,6 +238,7 @@ get_entry(void *base, unsigned int offset)
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}
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/* All zeroes == unconditional rule. */
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/* Mildly perf critical (only if packet tracing is on) */
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static inline int
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unconditional(const struct ip6t_ip6 *ipv6)
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{
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@ -251,7 +254,7 @@ unconditional(const struct ip6t_ip6 *ipv6)
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#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
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defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
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/* This cries for unification! */
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static const char *hooknames[] = {
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static const char *const hooknames[] = {
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[NF_INET_PRE_ROUTING] = "PREROUTING",
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[NF_INET_LOCAL_IN] = "INPUT",
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[NF_INET_FORWARD] = "FORWARD",
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@ -265,7 +268,7 @@ enum nf_ip_trace_comments {
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NF_IP6_TRACE_COMMENT_POLICY,
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};
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static const char *comments[] = {
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static const char *const comments[] = {
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[NF_IP6_TRACE_COMMENT_RULE] = "rule",
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[NF_IP6_TRACE_COMMENT_RETURN] = "return",
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[NF_IP6_TRACE_COMMENT_POLICY] = "policy",
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@ -281,6 +284,7 @@ static struct nf_loginfo trace_loginfo = {
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},
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};
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/* Mildly perf critical (only if packet tracing is on) */
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static inline int
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get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e,
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char *hookname, char **chainname,
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@ -595,7 +599,7 @@ mark_source_chains(struct xt_table_info *newinfo,
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return 1;
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}
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static inline int
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static int
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cleanup_match(struct ip6t_entry_match *m, unsigned int *i)
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{
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if (i && (*i)-- == 0)
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@ -607,7 +611,7 @@ cleanup_match(struct ip6t_entry_match *m, unsigned int *i)
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return 0;
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}
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static inline int
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static int
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check_entry(struct ip6t_entry *e, const char *name)
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{
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struct ip6t_entry_target *t;
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@ -628,7 +632,7 @@ check_entry(struct ip6t_entry *e, const char *name)
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return 0;
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}
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static inline int check_match(struct ip6t_entry_match *m, const char *name,
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static int check_match(struct ip6t_entry_match *m, const char *name,
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const struct ip6t_ip6 *ipv6,
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unsigned int hookmask, unsigned int *i)
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{
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@ -651,7 +655,7 @@ static inline int check_match(struct ip6t_entry_match *m, const char *name,
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return ret;
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}
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static inline int
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static int
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find_check_match(struct ip6t_entry_match *m,
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const char *name,
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const struct ip6t_ip6 *ipv6,
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@ -680,7 +684,7 @@ err:
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return ret;
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}
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static inline int check_target(struct ip6t_entry *e, const char *name)
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static int check_target(struct ip6t_entry *e, const char *name)
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{
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struct ip6t_entry_target *t;
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struct xt_target *target;
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@ -701,7 +705,7 @@ static inline int check_target(struct ip6t_entry *e, const char *name)
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return ret;
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}
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static inline int
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static int
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find_check_entry(struct ip6t_entry *e, const char *name, unsigned int size,
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unsigned int *i)
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{
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@ -745,7 +749,7 @@ find_check_entry(struct ip6t_entry *e, const char *name, unsigned int size,
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return ret;
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}
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static inline int
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static int
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check_entry_size_and_hooks(struct ip6t_entry *e,
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struct xt_table_info *newinfo,
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unsigned char *base,
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@ -788,7 +792,7 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
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return 0;
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}
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static inline int
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static int
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cleanup_entry(struct ip6t_entry *e, unsigned int *i)
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{
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struct ip6t_entry_target *t;
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@ -944,7 +948,7 @@ get_counters(const struct xt_table_info *t,
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}
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}
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static inline struct xt_counters *alloc_counters(struct xt_table *table)
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static struct xt_counters *alloc_counters(struct xt_table *table)
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{
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unsigned int countersize;
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struct xt_counters *counters;
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@ -1494,7 +1498,7 @@ out:
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return ret;
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}
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static inline int
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static int
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compat_find_calc_match(struct ip6t_entry_match *m,
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const char *name,
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const struct ip6t_ip6 *ipv6,
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@ -1518,7 +1522,7 @@ compat_find_calc_match(struct ip6t_entry_match *m,
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return 0;
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}
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static inline int
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static int
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compat_release_match(struct ip6t_entry_match *m, unsigned int *i)
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{
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if (i && (*i)-- == 0)
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@ -1528,7 +1532,7 @@ compat_release_match(struct ip6t_entry_match *m, unsigned int *i)
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return 0;
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}
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static inline int
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static int
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compat_release_entry(struct compat_ip6t_entry *e, unsigned int *i)
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{
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struct ip6t_entry_target *t;
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@ -1543,7 +1547,7 @@ compat_release_entry(struct compat_ip6t_entry *e, unsigned int *i)
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return 0;
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}
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static inline int
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static int
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check_compat_entry_size_and_hooks(struct compat_ip6t_entry *e,
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struct xt_table_info *newinfo,
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unsigned int *size,
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@ -1666,7 +1670,7 @@ compat_copy_entry_from_user(struct compat_ip6t_entry *e, void **dstptr,
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return ret;
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}
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static inline int compat_check_entry(struct ip6t_entry *e, const char *name,
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static int compat_check_entry(struct ip6t_entry *e, const char *name,
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unsigned int *i)
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{
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int j, ret;
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