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9e71352581
dump more than TCA_ACT_MAX_PRIO actions per batch when the kernel
supports it.
Introduced keyword "since" for time based filtering of actions.
Some example (we have 400 actions bound to 400 filters); at
installation time. Using updated when tc setting the time of
interest to 120 seconds earlier (we see 400 actions):
prompt$ hackedtc actions ls action gact since 120000| grep index | wc -l
400
go get some coffee and wait for > 120 seconds and try again:
prompt$ hackedtc actions ls action gact since 120000 | grep index | wc -l
0
Lets see a filter bound to one of these actions:
....
filter pref 10 u32
filter pref 10 u32 fh 800: ht divisor 1
filter pref 10 u32 fh 800::800 order 2048 key ht 800 bkt 0 flowid 1:10 (rule hit 2 success 1)
match 7f000002/ffffffff at 12 (success 1 )
action order 1: gact action pass
random type none pass val 0
index 23 ref 2 bind 1 installed 1145 sec used 802 sec
Action statistics:
Sent 84 bytes 1 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
...
that coffee took long, no? It was good.
Now lets ping -c 1 127.0.0.2, then run the actions again:
prompt$ hackedtc actions ls action gact since 120 | grep index | wc -l
1
More details please:
prompt$ hackedtc -s actions ls action gact since 120000
action order 0: gact action pass
random type none pass val 0
index 23 ref 2 bind 1 installed 1270 sec used 30 sec
Action statistics:
Sent 168 bytes 2 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
And the filter?
filter pref 10 u32
filter pref 10 u32 fh 800: ht divisor 1
filter pref 10 u32 fh 800::800 order 2048 key ht 800 bkt 0 flowid 1:10 (rule hit 4 success 2)
match 7f000002/ffffffff at 12 (success 2 )
action order 1: gact action pass
random type none pass val 0
index 23 ref 2 bind 1 installed 1324 sec used 84 sec
Action statistics:
Sent 168 bytes 2 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
#ifndef _TC_UTIL_H_
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#define _TC_UTIL_H_ 1
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#define MAX_MSG 16384
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#include <limits.h>
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#include <linux/pkt_sched.h>
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#include <linux/pkt_cls.h>
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#include <linux/gen_stats.h>
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#include "tc_core.h"
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/* This is the deprecated multiqueue interface */
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#ifndef TCA_PRIO_MAX
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enum
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{
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TCA_PRIO_UNSPEC,
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TCA_PRIO_MQ,
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__TCA_PRIO_MAX
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};
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#define TCA_PRIO_MAX (__TCA_PRIO_MAX - 1)
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#endif
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struct qdisc_util {
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struct qdisc_util *next;
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const char *id;
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int (*parse_qopt)(struct qdisc_util *qu, int argc,
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char **argv, struct nlmsghdr *n);
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int (*print_qopt)(struct qdisc_util *qu,
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FILE *f, struct rtattr *opt);
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int (*print_xstats)(struct qdisc_util *qu,
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FILE *f, struct rtattr *xstats);
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int (*parse_copt)(struct qdisc_util *qu, int argc,
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char **argv, struct nlmsghdr *n);
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int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
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};
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extern __u16 f_proto;
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struct filter_util {
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struct filter_util *next;
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char id[16];
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int (*parse_fopt)(struct filter_util *qu, char *fhandle,
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int argc, char **argv, struct nlmsghdr *n);
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int (*print_fopt)(struct filter_util *qu,
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FILE *f, struct rtattr *opt, __u32 fhandle);
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};
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struct action_util {
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struct action_util *next;
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char id[16];
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int (*parse_aopt)(struct action_util *a, int *argc,
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char ***argv, int code, struct nlmsghdr *n);
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int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt);
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int (*print_xstats)(struct action_util *au,
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FILE *f, struct rtattr *xstats);
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};
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struct exec_util {
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struct exec_util *next;
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char id[16];
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int (*parse_eopt)(struct exec_util *eu, int argc, char **argv);
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};
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const char *get_tc_lib(void);
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struct qdisc_util *get_qdisc_kind(const char *str);
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struct filter_util *get_filter_kind(const char *str);
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int get_qdisc_handle(__u32 *h, const char *str);
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int get_rate(unsigned int *rate, const char *str);
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int get_rate64(__u64 *rate, const char *str);
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int get_size(unsigned int *size, const char *str);
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int get_size_and_cell(unsigned int *size, int *cell_log, char *str);
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int get_time(unsigned int *time, const char *str);
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int get_linklayer(unsigned int *val, const char *arg);
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void print_rate(char *buf, int len, __u64 rate);
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void print_size(char *buf, int len, __u32 size);
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void print_qdisc_handle(char *buf, int len, __u32 h);
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void print_time(char *buf, int len, __u32 time);
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void print_linklayer(char *buf, int len, unsigned int linklayer);
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char *sprint_rate(__u64 rate, char *buf);
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char *sprint_size(__u32 size, char *buf);
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char *sprint_qdisc_handle(__u32 h, char *buf);
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char *sprint_tc_classid(__u32 h, char *buf);
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char *sprint_time(__u32 time, char *buf);
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char *sprint_ticks(__u32 ticks, char *buf);
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char *sprint_linklayer(unsigned int linklayer, char *buf);
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void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
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char *prefix, struct rtattr **xstats);
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void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
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char *prefix, struct rtattr **xstats);
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int get_tc_classid(__u32 *h, const char *str);
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int print_tc_classid(char *buf, int len, __u32 h);
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char *sprint_tc_classid(__u32 h, char *buf);
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int tc_print_police(FILE *f, struct rtattr *tb);
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int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
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int parse_action_control(int *argc_p, char ***argv_p,
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int *result_p, bool allow_num);
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void parse_action_control_dflt(int *argc_p, char ***argv_p,
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int *result_p, bool allow_num,
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int default_result);
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int parse_action_control_slash(int *argc_p, char ***argv_p,
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int *result1_p, int *result2_p, bool allow_num);
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void print_action_control(FILE *f, const char *prefix,
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int action, const char *suffix);
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int act_parse_police(struct action_util *a, int *argc_p,
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char ***argv_p, int tca_id, struct nlmsghdr *n);
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int print_police(struct action_util *a, FILE *f, struct rtattr *tb);
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int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb);
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int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts);
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int tc_print_ipt(FILE *f, const struct rtattr *tb);
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int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
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void print_tm(FILE *f, const struct tcf_t *tm);
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int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
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int cls_names_init(char *path);
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void cls_names_uninit(void);
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#endif
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