LXR iproute2/rdma/rdma.h

   1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2/*
   3 * rdma.c       RDMA tool
   4 * Authors:     Leon Romanovsky <leonro@mellanox.com>
   5 */
   6#ifndef _RDMA_TOOL_H_
   7#define _RDMA_TOOL_H_
   8
   9#include <stdlib.h>
  10#include <string.h>
  11#include <errno.h>
  12#include <getopt.h>
  13#include <netinet/in.h>
  14#include <libmnl/libmnl.h>
  15#include <rdma/rdma_netlink.h>
  16#include <rdma/rdma_user_cm.h>
  17#include <time.h>
  18#include <net/if_arp.h>
  19
  20#include "list.h"
  21#include "utils.h"
  22#include "json_print.h"
  23
  24#define pr_err(args...) fprintf(stderr, ##args)
  25#define pr_out(args...) fprintf(stdout, ##args)
  26
  27#define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
  28#define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
  29
  30#define MAX_NUMBER_OF_FILTERS 64
  31struct filters {
  32        const char *name;
  33        uint8_t is_number:1;
  34        uint8_t is_doit:1;
  35};
  36
  37struct filter_entry {
  38        struct list_head list;
  39        char *key;
  40        char *value;
  41        /*
  42         * This field menas that we can try to issue .doit calback
  43         * on value above. This value can be converted to integer
  44         * with simple atoi(). Otherwise "is_doit" will be false.
  45         */
  46        uint8_t is_doit:1;
  47};
  48
  49struct dev_map {
  50        struct list_head list;
  51        char *dev_name;
  52        uint32_t num_ports;
  53        uint32_t idx;
  54};
  55
  56struct rd {
  57        int argc;
  58        char **argv;
  59        char *filename;
  60        uint8_t show_details:1;
  61        uint8_t show_driver_details:1;
  62        uint8_t show_raw:1;
  63        struct list_head dev_map_list;
  64        uint32_t dev_idx;
  65        uint32_t port_idx;
  66        struct mnl_socket *nl;
  67        struct nlmsghdr *nlh;
  68        char *buff;
  69        json_writer_t *jw;
  70        int json_output;
  71        int pretty_output;
  72        bool suppress_errors;
  73        struct list_head filter_list;
  74        char *link_name;
  75        char *link_type;
  76};
  77
  78struct rd_cmd {
  79        const char *cmd;
  80        int (*func)(struct rd *rd);
  81};
  82
  83/*
  84 * Parser interface
  85 */
  86bool rd_no_arg(struct rd *rd);
  87void rd_arg_inc(struct rd *rd);
  88
  89char *rd_argv(struct rd *rd);
  90
  91/*
  92 * Commands interface
  93 */
  94int cmd_dev(struct rd *rd);
  95int cmd_link(struct rd *rd);
  96int cmd_res(struct rd *rd);
  97int cmd_sys(struct rd *rd);
  98int cmd_stat(struct rd *rd);
  99int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
 100int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
 101int rd_exec_require_dev(struct rd *rd, int (*cb)(struct rd *rd));
 102int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
 103void rd_free(struct rd *rd);
 104int rd_set_arg_to_devname(struct rd *rd);
 105int rd_argc(struct rd *rd);
 106
 107int strcmpx(const char *str1, const char *str2);
 108
 109/*
 110 * Device manipulation
 111 */
 112struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
 113
 114/*
 115 * Filter manipulation
 116 */
 117bool rd_doit_index(struct rd *rd, uint32_t *idx);
 118int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
 119bool rd_is_filtered_attr(struct rd *rd, const char *key, uint32_t val,
 120                         struct nlattr *attr);
 121bool rd_is_string_filtered_attr(struct rd *rd, const char *key, const char *val,
 122                                struct nlattr *attr);
 123/*
 124 * Netlink
 125 */
 126int rd_send_msg(struct rd *rd);
 127int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
 128int rd_sendrecv_msg(struct rd *rd, unsigned int seq);
 129void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
 130int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
 131int rd_attr_cb(const struct nlattr *attr, void *data);
 132int rd_attr_check(const struct nlattr *attr, int *typep);
 133
 134/*
 135 * Print helpers
 136 */
 137void print_driver_table(struct rd *rd, struct nlattr *tb);
 138void print_raw_data(struct rd *rd, struct nlattr **nla_line);
 139void newline(struct rd *rd);
 140void newline_indent(struct rd *rd);
 141void print_on_off(struct rd *rd, const char *key_str, bool on);
 142void print_raw_data(struct rd *rd, struct nlattr **nla_line);
 143#define MAX_LINE_LENGTH 80
 144
 145#endif /* _RDMA_TOOL_H_ */
 146