tc/tc_qevent.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _TC_QEVENT_H_
   3 #define _TC_QEVENT_H_
   4
   5 #include <stdbool.h>
   6 #include <linux/types.h>
   7 #include <libnetlink.h>
   8
   9 struct qevent_base {
  10         __u32 block_idx;
  11 };
  12
  13 struct qevent_util {
  14         const char *id;
  15         int (*parse_qevent)(struct qevent_util *qu, int *argc, char ***argv);
  16         int (*read_qevent)(struct qevent_util *qu, struct rtattr **tb);
  17         void (*print_qevent)(struct qevent_util *qu, FILE *f);
  18         int (*dump_qevent)(struct qevent_util *qu, struct nlmsghdr *n);
  19         size_t data_size;
  20         void *data;
  21         int attr;
  22 };
  23
  24 #define QEVENT(_name, _form, _data, _attr)                              \
  25         {                                                               \
  26                 .id = _name,                                            \
  27                 .parse_qevent = qevent_parse_##_form,                   \
  28                 .read_qevent = qevent_read_##_form,                     \
  29                 .print_qevent = qevent_print_##_form,                   \
  30                 .dump_qevent = qevent_dump_##_form,                     \
  31                 .data_size = sizeof(struct qevent_##_form),             \
  32                 .data = _data,                                          \
  33                 .attr = _attr,                                          \
  34         }
  35
  36 void qevents_init(struct qevent_util *qevents);
  37 int qevent_parse(struct qevent_util *qevents, int *p_argc, char ***p_argv);
  38 int qevents_read(struct qevent_util *qevents, struct rtattr **tb);
  39 int qevents_dump(struct qevent_util *qevents, struct nlmsghdr *n);
  40 void qevents_print(struct qevent_util *qevents, FILE *f);
  41 bool qevents_have_block(struct qevent_util *qevents, __u32 block_idx);
  42
  43 struct qevent_plain {
  44         struct qevent_base base;
  45 };
  46 int qevent_parse_plain(struct qevent_util *qu, int *p_argc, char ***p_argv);
  47 int qevent_read_plain(struct qevent_util *qu, struct rtattr **tb);
  48 void qevent_print_plain(struct qevent_util *qu, FILE *f);
  49 int qevent_dump_plain(struct qevent_util *qu, struct nlmsghdr *n);
  50
  51 #endif