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 <netinet/in.h>
  19 #include <libmnl/libmnl.h>
  20 #include <rdma/rdma_netlink.h>
  21 #include <rdma/rdma_user_cm.h>
  22 #include <time.h>
  23 #include <net/if_arp.h>
  24
  25 #include "list.h"
  26 #include "utils.h"
  27 #include "json_writer.h"
  28
  29 #define pr_err(args...) fprintf(stderr, ##args)
  30 #define pr_out(args...) fprintf(stdout, ##args)
  31
  32 #define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
  33 #define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
  34
  35 #define MAX_NUMBER_OF_FILTERS 64
  36 struct filters {
  37         const char *name;
  38         bool is_number;
  39 };
  40
  41 struct filter_entry {
  42         struct list_head list;
  43         char *key;
  44         char *value;
  45 };
  46
  47 struct dev_map {
  48         struct list_head list;
  49         char *dev_name;
  50         uint32_t num_ports;
  51         uint32_t idx;
  52 };
  53
  54 struct rd {
  55         int argc;
  56         char **argv;
  57         char *filename;
  58         bool show_details;
  59         bool show_driver_details;
  60         struct list_head dev_map_list;
  61         uint32_t dev_idx;
  62         uint32_t port_idx;
  63         struct mnl_socket *nl;
  64         struct nlmsghdr *nlh;
  65         char *buff;
  66         json_writer_t *jw;
  67         bool json_output;
  68         bool pretty_output;
  69         struct list_head filter_list;
  70 };
  71
  72 struct rd_cmd {
  73         const char *cmd;
  74         int (*func)(struct rd *rd);
  75 };
  76
  77 /*
  78  * Parser interface
  79  */
  80 bool rd_no_arg(struct rd *rd);
  81 void rd_arg_inc(struct rd *rd);
  82
  83 char *rd_argv(struct rd *rd);
  84
  85 /*
  86  * Commands interface
  87  */
  88 int cmd_dev(struct rd *rd);
  89 int cmd_link(struct rd *rd);
  90 int cmd_res(struct rd *rd);
  91 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
  92 int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
  93 int rd_exec_require_dev(struct rd *rd, int (*cb)(struct rd *rd));
  94 int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
  95 void rd_free(struct rd *rd);
  96 int rd_set_arg_to_devname(struct rd *rd);
  97 int rd_argc(struct rd *rd);
  98
  99 int strcmpx(const char *str1, const char *str2);
 100
 101 /*
 102  * Device manipulation
 103  */
 104 struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
 105
 106 /*
 107  * Filter manipulation
 108  */
 109 int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
 110 bool rd_check_is_filtered(struct rd *rd, const char *key, uint32_t val);
 111 bool rd_check_is_string_filtered(struct rd *rd, const char *key, const char *val);
 112 bool rd_check_is_key_exist(struct rd *rd, const char *key);
 113 /*
 114  * Netlink
 115  */
 116 int rd_send_msg(struct rd *rd);
 117 int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
 118 void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
 119 int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
 120 int rd_attr_cb(const struct nlattr *attr, void *data);
 121 int rd_attr_check(const struct nlattr *attr, int *typep);
 122
 123 /*
 124  * Print helpers
 125  */
 126 void print_driver_table(struct rd *rd, struct nlattr *tb);
 127 void newline(struct rd *rd);
 128 void newline_indent(struct rd *rd);
 129 #define MAX_LINE_LENGTH 80
 130
 131 #endif /* _RDMA_TOOL_H_ */