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Diffstat (limited to '')
| -rw-r--r-- | tc/tc_util.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/tc/tc_util.h b/tc/tc_util.h new file mode 100644 index 0000000..a3fa736 --- /dev/null +++ b/tc/tc_util.h @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _TC_UTIL_H_ +#define _TC_UTIL_H_ 1 + +#define MAX_MSG 16384 +#include <limits.h> +#include <linux/if.h> +#include <stdbool.h> + +#include <linux/pkt_sched.h> +#include <linux/pkt_cls.h> +#include <linux/gen_stats.h> + +#include "tc_core.h" +#include "json_print.h" + +/* This is the deprecated multiqueue interface */ +#ifndef TCA_PRIO_MAX +enum +{ + TCA_PRIO_UNSPEC, + TCA_PRIO_MQ, + __TCA_PRIO_MAX +}; + +#define TCA_PRIO_MAX (__TCA_PRIO_MAX - 1) +#endif + +#define FILTER_NAMESZ 16 + +struct qdisc_util { + struct qdisc_util *next; + const char *id; + int (*parse_qopt)(struct qdisc_util *qu, int argc, + char **argv, struct nlmsghdr *n, const char *dev); + int (*print_qopt)(struct qdisc_util *qu, + FILE *f, struct rtattr *opt); + int (*print_xstats)(struct qdisc_util *qu, + FILE *f, struct rtattr *xstats); + + int (*parse_copt)(struct qdisc_util *qu, int argc, + char **argv, struct nlmsghdr *n, const char *dev); + int (*print_copt)(struct qdisc_util *qu, FILE *f, struct rtattr *opt); + int (*has_block)(struct qdisc_util *qu, struct rtattr *opt, __u32 block_idx, bool *p_has); +}; + +extern __u16 f_proto; +struct filter_util { + struct filter_util *next; + char id[FILTER_NAMESZ]; + int (*parse_fopt)(struct filter_util *qu, char *fhandle, + int argc, char **argv, struct nlmsghdr *n); + int (*print_fopt)(struct filter_util *qu, + FILE *f, struct rtattr *opt, __u32 fhandle); +}; + +struct action_util { + struct action_util *next; + char id[FILTER_NAMESZ]; + int (*parse_aopt)(struct action_util *a, int *argc, + char ***argv, int code, struct nlmsghdr *n); + int (*print_aopt)(struct action_util *au, FILE *f, struct rtattr *opt); + int (*print_xstats)(struct action_util *au, + FILE *f, struct rtattr *xstats); +}; + +struct exec_util { + struct exec_util *next; + char id[FILTER_NAMESZ]; + int (*parse_eopt)(struct exec_util *eu, int argc, char **argv); +}; + +const char *get_tc_lib(void); + +struct qdisc_util *get_qdisc_kind(const char *str); +struct filter_util *get_filter_kind(const char *str); + +int get_qdisc_handle(__u32 *h, const char *str); +int get_percent_rate(unsigned int *rate, const char *str, const char *dev); +int get_percent_rate64(__u64 *rate, const char *str, const char *dev); +int get_size_and_cell(unsigned int *size, int *cell_log, char *str); +int get_linklayer(unsigned int *val, const char *arg); + +void tc_print_rate(enum output_type t, const char *key, const char *fmt, + unsigned long long rate); +void print_devname(enum output_type type, int ifindex); + +char *sprint_tc_classid(__u32 h, char *buf); +char *sprint_ticks(__u32 ticks, char *buf); +char *sprint_linklayer(unsigned int linklayer, char *buf); + +void print_tcstats_attr(FILE *fp, struct rtattr *tb[], + const char *prefix, struct rtattr **xstats); +void print_tcstats2_attr(FILE *fp, struct rtattr *rta, + const char *prefix, struct rtattr **xstats); + +int get_tc_classid(__u32 *h, const char *str); +int print_tc_classid(char *buf, int len, __u32 h); +char *sprint_tc_classid(__u32 h, char *buf); + +int tc_print_police(FILE *f, struct rtattr *tb); +int parse_percent(double *val, const char *str); +int parse_police(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n); + +int parse_action_control(int *argc_p, char ***argv_p, + int *result_p, bool allow_num); +void parse_action_control_dflt(int *argc_p, char ***argv_p, + int *result_p, bool allow_num, + int default_result); +int parse_action_control_slash(int *argc_p, char ***argv_p, + int *result1_p, int *result2_p, bool allow_num); +void print_action_control(FILE *f, const char *prefix, + int action, const char *suffix); +int police_print_xstats(struct action_util *a, FILE *f, struct rtattr *tb); +int tc_print_action(FILE *f, const struct rtattr *tb, unsigned short tot_acts); +int tc_print_ipt(FILE *f, const struct rtattr *tb); +int parse_action(int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n); +void print_tm(FILE *f, const struct tcf_t *tm); +int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt); + +int cls_names_init(char *path); +void cls_names_uninit(void); + +int action_a2n(char *arg, int *result, bool allow_num); + +bool tc_qdisc_block_exists(__u32 block_index); + +void print_masked_u32(const char *name, struct rtattr *attr, + struct rtattr *mask_attr, bool newline); +void print_masked_u16(const char *name, struct rtattr *attr, + struct rtattr *mask_attr, bool newline); +void print_masked_u8(const char *name, struct rtattr *attr, + struct rtattr *mask_attr, bool newline); +void print_masked_be16(const char *name, struct rtattr *attr, + struct rtattr *mask_attr, bool newline); +#endif |