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 struct dev_map { 33 struct list_head list; 34 char *dev_name; 35 uint32_t num_ports; 36 uint32_t idx; 37 }; 38 39 struct rd { 40 int argc; 41 char **argv; 42 char *filename; 43 bool show_details; 44 struct list_head dev_map_list; 45 uint32_t dev_idx; 46 uint32_t port_idx; 47 struct mnl_socket *nl; 48 struct nlmsghdr *nlh; 49 char *buff; 50 json_writer_t *jw; 51 bool json_output; 52 bool pretty_output; 53 }; 54 55 struct rd_cmd { 56 const char *cmd; 57 int (*func)(struct rd *rd); 58 }; 59 60 /* 61 * Parser interface 62 */ 63 bool rd_no_arg(struct rd *rd); 64 void rd_arg_inc(struct rd *rd); 65 66 char *rd_argv(struct rd *rd); 67 uint32_t get_port_from_argv(struct rd *rd); 68 69 /* 70 * Commands interface 71 */ 72 int cmd_dev(struct rd *rd); 73 int cmd_link(struct rd *rd); 74 int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str); 75 76 /* 77 * Device manipulation 78 */ 79 void rd_free_devmap(struct rd *rd); 80 struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index); 81 struct dev_map *_dev_map_lookup(struct rd *rd, const char *dev_name); 82 83 /* 84 * Netlink 85 */ 86 int rd_send_msg(struct rd *rd); 87 int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq); 88 void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags); 89 int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data); 90 int rd_attr_cb(const struct nlattr *attr, void *data); 91 #endif /* _RDMA_TOOL_H_ */ 92