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44396bdfcc
The function get_size() serves for parsing of sizes using a handly notation that supports units and their prefixes, such as 10Kbit. This will be useful for the DCB buffer size parsing. Move the function from TC to the general library, so that it can be reused. Signed-off-by: Petr Machata <me@pmachata.org> Signed-off-by: David Ahern <dsahern@gmail.com>
137 lines
4.5 KiB
C
137 lines
4.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#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/if.h>
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#include <stdbool.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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#include "json_print.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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#define FILTER_NAMESZ 16
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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, const char *dev);
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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, const char *dev);
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int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
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int (*has_block)(struct qdisc_util *qu, struct rtattr *opt, __u32 block_idx, bool *p_has);
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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[FILTER_NAMESZ];
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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[FILTER_NAMESZ];
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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[FILTER_NAMESZ];
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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_percent_rate(unsigned int *rate, const char *str, const char *dev);
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int get_percent_rate64(__u64 *rate, const char *str, const char *dev);
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int get_size_and_cell(unsigned int *size, int *cell_log, char *str);
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int get_linklayer(unsigned int *val, const char *arg);
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void tc_print_rate(enum output_type t, const char *key, const char *fmt,
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unsigned long long rate);
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void print_devname(enum output_type type, int ifindex);
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char *sprint_tc_classid(__u32 h, 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_percent(double *val, const char *str);
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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 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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int action_a2n(char *arg, int *result, bool allow_num);
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bool tc_qdisc_block_exists(__u32 block_index);
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void print_masked_u32(const char *name, struct rtattr *attr,
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struct rtattr *mask_attr, bool newline);
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void print_masked_u16(const char *name, struct rtattr *attr,
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struct rtattr *mask_attr, bool newline);
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void print_masked_u8(const char *name, struct rtattr *attr,
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struct rtattr *mask_attr, bool newline);
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void print_masked_be16(const char *name, struct rtattr *attr,
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struct rtattr *mask_attr, bool newline);
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#endif
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