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 <rdma/rdma_user_cm.h>
  21 #include <time.h>
  22 #include <net/if_arp.h>
  23
  24 #include "list.h"
  25 #include "utils.h"
  26 #include "json_writer.h"
  27
  28 #define pr_err(args...) fprintf(stderr, ##args)
  29 #define pr_out(args...) fprintf(stdout, ##args)
  30
  31 #define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
  32 #define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
  33
  34 #define MAX_NUMBER_OF_FILTERS 64
  35 struct filters {
  36         char name[32];
  37         bool is_number;
  38 };
  39
  40 struct filter_entry {
  41         struct list_head list;
  42         char *key;
  43         char *value;
  44 };
  45
  46 struct dev_map {
  47         struct list_head list;
  48         char *dev_name;
  49         uint32_t num_ports;
  50         uint32_t idx;
  51 };
  52
  53 struct rd {
  54         int argc;
  55         char **argv;
  56         char *filename;
  57         bool show_details;
  58         bool show_driver_details;
  59         struct list_head dev_map_list;
  60         uint32_t dev_idx;
  61         uint32_t port_idx;
  62         struct mnl_socket *nl;
  63         struct nlmsghdr *nlh;
  64         char *buff;
  65         json_writer_t *jw;
  66         bool json_output;
  67         bool pretty_output;
  68         struct list_head filter_list;
  69 };
  70
  71 struct rd_cmd {
  72         const char *cmd;
  73         int (*func)(struct rd *rd);
  74 };
  75
  76 /*
  77  * Parser interface
  78  */
  79 bool rd_no_arg(struct rd *rd);
  80 void rd_arg_inc(struct rd *rd);
  81
  82 char *rd_argv(struct rd *rd);
  83
  84 /*
  85  * Commands interface
  86  */
  87 int cmd_dev(struct rd *rd);
  88 int cmd_link(struct rd *rd);
  89 int cmd_res(struct rd *rd);
  90 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
  91 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
  92 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
  93 void rd_free(struct rd *rd);
  94 int rd_set_arg_to_devname(struct rd *rd);
  95 int rd_argc(struct rd *rd);
  96
  97 int strcmpx(const char *str1, const char *str2);
  98
  99 /*
 100  * Device manipulation
 101  */
 102 struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
 103
 104 /*
 105  * Filter manipulation
 106  */
 107 int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
 108 bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val);
 109 bool rd_check_is_string_filtered(struct rd *rd, const char *key, const char *val);
 110 bool rd_check_is_key_exist(struct rd *rd, const char *key);
 111 /*
 112  * Netlink
 113  */
 114 int rd_send_msg(struct rd *rd);
 115 int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
 116 void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
 117 int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
 118 int rd_attr_cb(const struct nlattr *attr, void *data);
 119 int rd_attr_check(const struct nlattr *attr, int *typep);
 120
 121 /*
 122  * Print helpers
 123  */
 124 void print_driver_table(struct rd *rd, struct nlattr *tb);
 125 void newline(struct rd *rd);
 126 void newline_indent(struct rd *rd);
 127 #define MAX_LINE_LENGTH 80
 128
 129 #endif /* _RDMA_TOOL_H_ */