rdma/rdma.h

   1 /*
   2  * rdma.c       RDMA tool
   3  *
   4  *              This program is free software; you can redistribute it and/or
   5  *              modify it under the terms of the GNU General Public License
   6  *              as published by the Free Software Foundation; either version
   7  *              2 of the License, or (at your option) any later version.
   8  *
   9  * Authors:     Leon Romanovsky <leonro@mellanox.com>
  10  */
  11 #ifndef _RDMA_TOOL_H_
  12 #define _RDMA_TOOL_H_
  13
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <errno.h>
  17 #include <getopt.h>
  18 #include <libmnl/libmnl.h>
  19 #include <rdma/rdma_netlink.h>
  20 #include <time.h>
  21
  22 #include "list.h"
  23 #include "utils.h"
  24 #include "json_writer.h"
  25
  26 #define pr_err(args...) fprintf(stderr, ##args)
  27 #define pr_out(args...) fprintf(stdout, ##args)
  28
  29 #define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
  30 #define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
  31
  32 #define MAX_NUMBER_OF_FILTERS 64
  33 struct filters {
  34         char name[32];
  35         bool is_number;
  36 };
  37
  38 struct filter_entry {
  39         struct list_head list;
  40         char *key;
  41         char *value;
  42 };
  43
  44 struct dev_map {
  45         struct list_head list;
  46         char *dev_name;
  47         uint32_t num_ports;
  48         uint32_t idx;
  49 };
  50
  51 struct rd {
  52         int argc;
  53         char **argv;
  54         char *filename;
  55         bool show_details;
  56         struct list_head dev_map_list;
  57         uint32_t dev_idx;
  58         uint32_t port_idx;
  59         struct mnl_socket *nl;
  60         struct nlmsghdr *nlh;
  61         char *buff;
  62         json_writer_t *jw;
  63         bool json_output;
  64         bool pretty_output;
  65         struct list_head filter_list;
  66 };
  67
  68 struct rd_cmd {
  69         const char *cmd;
  70         int (*func)(struct rd *rd);
  71 };
  72
  73 /*
  74  * Parser interface
  75  */
  76 bool rd_no_arg(struct rd *rd);
  77 void rd_arg_inc(struct rd *rd);
  78
  79 char *rd_argv(struct rd *rd);
  80
  81 /*
  82  * Commands interface
  83  */
  84 int cmd_dev(struct rd *rd);
  85 int cmd_link(struct rd *rd);
  86 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
  87 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
  88 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
  89 void rd_free(struct rd *rd);
  90 int rd_set_arg_to_devname(struct rd *rd);
  91 int rd_argc(struct rd *rd);
  92
  93 /*
  94  * Device manipulation
  95  */
  96 struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
  97
  98 /*
  99  * Filter manipulation
 100  */
 101 int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
 102 bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val);
 103 bool rd_check_is_string_filtered(struct rd *rd, const char *key, const char *val);
 104 bool rd_check_is_key_exist(struct rd *rd, const char *key);
 105 /*
 106  * Netlink
 107  */
 108 int rd_send_msg(struct rd *rd);
 109 int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
 110 void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
 111 int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
 112 int rd_attr_cb(const struct nlattr *attr, void *data);
 113 #endif /* _RDMA_TOOL_H_ */