1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
9 static int link_help(struct rd
*rd
)
11 pr_out("Usage: %s link show [DEV/PORT_INDEX]\n", rd
->filename
);
12 pr_out("Usage: %s link add NAME type TYPE netdev NETDEV\n",
14 pr_out("Usage: %s link delete NAME\n", rd
->filename
);
18 static const char *caps_to_str(uint32_t idx
)
20 #define RDMA_PORT_FLAGS_LOW(x) \
32 x(SYS_IMAGE_GUID, 11) \
33 x(PKEY_SW_EXT_PORT_TRAP, 12) \
35 x(EXTENDED_SPEEDS, 14) \
43 x(CAP_MASK_NOTICE, 22) \
47 x(OTHER_LOCAL_CHANGES, 26) \
48 x(LINK_SPPED_WIDTH, 27) \
49 x(VENDOR_SPECIFIC_MADS, 28) \
50 x(MULT_PKER_TRAP, 29) \
54 #define RDMA_PORT_FLAGS_HIGH(x) \
58 x(SWITCH_POR_STATE_TABLE, 3) \
63 * Separation below is needed to allow compilation of rdmatool
64 * on 32bits systems. On such systems, C-enum is limited to be
65 * int and can't hold more than 32 bits.
67 enum { RDMA_PORT_FLAGS_LOW(RDMA_BITMAP_ENUM
) };
68 enum { RDMA_PORT_FLAGS_HIGH(RDMA_BITMAP_ENUM
) };
70 static const char * const
71 rdma_port_names_low
[] = { RDMA_PORT_FLAGS_LOW(RDMA_BITMAP_NAMES
) };
72 static const char * const
73 rdma_port_names_high
[] = { RDMA_PORT_FLAGS_HIGH(RDMA_BITMAP_NAMES
) };
75 #undef RDMA_PORT_FLAGS_LOW
76 #undef RDMA_PORT_FLAGS_HIGH
78 if (idx
< ARRAY_SIZE(rdma_port_names_low
) && rdma_port_names_low
[idx
])
79 return rdma_port_names_low
[idx
];
81 high_idx
= idx
- ARRAY_SIZE(rdma_port_names_low
);
82 if (high_idx
< ARRAY_SIZE(rdma_port_names_high
) &&
83 rdma_port_names_high
[high_idx
])
84 return rdma_port_names_high
[high_idx
];
89 static void link_print_caps(struct rd
*rd
, struct nlattr
**tb
)
94 if (!tb
[RDMA_NLDEV_ATTR_CAP_FLAGS
])
97 caps
= mnl_attr_get_u64(tb
[RDMA_NLDEV_ATTR_CAP_FLAGS
]);
99 if (rd
->json_output
) {
100 jsonw_name(rd
->jw
, "caps");
101 jsonw_start_array(rd
->jw
);
103 pr_out("\n caps: <");
105 for (idx
= 0; caps
; idx
++) {
107 if (rd
->json_output
) {
108 jsonw_string(rd
->jw
, caps_to_str(idx
));
110 pr_out("%s", caps_to_str(idx
));
119 jsonw_end_array(rd
->jw
);
124 static void link_print_subnet_prefix(struct rd
*rd
, struct nlattr
**tb
)
126 uint64_t subnet_prefix
;
130 if (!tb
[RDMA_NLDEV_ATTR_SUBNET_PREFIX
])
133 subnet_prefix
= mnl_attr_get_u64(tb
[RDMA_NLDEV_ATTR_SUBNET_PREFIX
]);
134 memcpy(vp
, &subnet_prefix
, sizeof(uint64_t));
135 snprintf(str
, 32, "%04x:%04x:%04x:%04x", vp
[3], vp
[2], vp
[1], vp
[0]);
137 jsonw_string_field(rd
->jw
, "subnet_prefix", str
);
139 pr_out("subnet_prefix %s ", str
);
142 static void link_print_lid(struct rd
*rd
, struct nlattr
**tb
)
146 if (!tb
[RDMA_NLDEV_ATTR_LID
])
149 lid
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_LID
]);
151 jsonw_uint_field(rd
->jw
, "lid", lid
);
153 pr_out("lid %u ", lid
);
156 static void link_print_sm_lid(struct rd
*rd
, struct nlattr
**tb
)
160 if (!tb
[RDMA_NLDEV_ATTR_SM_LID
])
163 sm_lid
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_SM_LID
]);
165 jsonw_uint_field(rd
->jw
, "sm_lid", sm_lid
);
167 pr_out("sm_lid %u ", sm_lid
);
170 static void link_print_lmc(struct rd
*rd
, struct nlattr
**tb
)
174 if (!tb
[RDMA_NLDEV_ATTR_LMC
])
177 lmc
= mnl_attr_get_u8(tb
[RDMA_NLDEV_ATTR_LMC
]);
179 jsonw_uint_field(rd
->jw
, "lmc", lmc
);
181 pr_out("lmc %u ", lmc
);
184 static const char *link_state_to_str(uint8_t link_state
)
186 static const char * const link_state_str
[] = { "NOP", "DOWN",
190 if (link_state
< ARRAY_SIZE(link_state_str
))
191 return link_state_str
[link_state
];
195 static void link_print_state(struct rd
*rd
, struct nlattr
**tb
)
199 if (!tb
[RDMA_NLDEV_ATTR_PORT_STATE
])
202 state
= mnl_attr_get_u8(tb
[RDMA_NLDEV_ATTR_PORT_STATE
]);
204 jsonw_string_field(rd
->jw
, "state", link_state_to_str(state
));
206 pr_out("state %s ", link_state_to_str(state
));
209 static const char *phys_state_to_str(uint8_t phys_state
)
211 static const char * const phys_state_str
[] = { "NOP", "SLEEP",
212 "POLLING", "DISABLED",
214 "LINK_ERROR_RECOVER",
215 "PHY_TEST", "UNKNOWN",
217 "UNKNOWN", "OPA_TEST" };
218 if (phys_state
< ARRAY_SIZE(phys_state_str
))
219 return phys_state_str
[phys_state
];
223 static void link_print_phys_state(struct rd
*rd
, struct nlattr
**tb
)
227 if (!tb
[RDMA_NLDEV_ATTR_PORT_PHYS_STATE
])
230 phys_state
= mnl_attr_get_u8(tb
[RDMA_NLDEV_ATTR_PORT_PHYS_STATE
]);
232 jsonw_string_field(rd
->jw
, "physical_state",
233 phys_state_to_str(phys_state
));
235 pr_out("physical_state %s ", phys_state_to_str(phys_state
));
238 static void link_print_netdev(struct rd
*rd
, struct nlattr
**tb
)
240 const char *netdev_name
;
243 if (!tb
[RDMA_NLDEV_ATTR_NDEV_NAME
] || !tb
[RDMA_NLDEV_ATTR_NDEV_INDEX
])
246 netdev_name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_NDEV_NAME
]);
247 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_NDEV_INDEX
]);
248 if (rd
->json_output
) {
249 jsonw_string_field(rd
->jw
, "netdev", netdev_name
);
250 jsonw_uint_field(rd
->jw
, "netdev_index", idx
);
252 pr_out("netdev %s ", netdev_name
);
253 if (rd
->show_details
)
254 pr_out("netdev_index %u ", idx
);
258 static int link_parse_cb(const struct nlmsghdr
*nlh
, void *data
)
260 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
261 struct rd
*rd
= data
;
265 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
266 if (!tb
[RDMA_NLDEV_ATTR_DEV_INDEX
] || !tb
[RDMA_NLDEV_ATTR_DEV_NAME
])
269 if (!tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]) {
270 pr_err("This tool doesn't support switches yet\n");
274 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
275 port
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]);
276 snprintf(name
, 32, "%s/%u",
277 mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]), port
);
279 if (rd
->json_output
) {
280 jsonw_uint_field(rd
->jw
, "ifindex", idx
);
281 jsonw_uint_field(rd
->jw
, "port", port
);
282 jsonw_string_field(rd
->jw
, "ifname", name
);
285 pr_out("%u/%u: %s: ", idx
, port
, name
);
288 link_print_subnet_prefix(rd
, tb
);
289 link_print_lid(rd
, tb
);
290 link_print_sm_lid(rd
, tb
);
291 link_print_lmc(rd
, tb
);
292 link_print_state(rd
, tb
);
293 link_print_phys_state(rd
, tb
);
294 link_print_netdev(rd
, tb
);
295 if (rd
->show_details
)
296 link_print_caps(rd
, tb
);
298 if (!rd
->json_output
)
303 static int link_no_args(struct rd
*rd
)
308 rd_prepare_msg(rd
, RDMA_NLDEV_CMD_PORT_GET
, &seq
,
309 (NLM_F_REQUEST
| NLM_F_ACK
));
310 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_DEV_INDEX
, rd
->dev_idx
);
311 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_PORT_INDEX
, rd
->port_idx
);
312 ret
= rd_send_msg(rd
);
317 jsonw_start_object(rd
->jw
);
318 ret
= rd_recv_msg(rd
, link_parse_cb
, rd
, seq
);
320 jsonw_end_object(rd
->jw
);
324 static int link_one_show(struct rd
*rd
)
326 const struct rd_cmd cmds
[] = {
327 { NULL
, link_no_args
},
334 return rd_exec_cmd(rd
, cmds
, "parameter");
337 static int link_show(struct rd
*rd
)
339 return rd_exec_link(rd
, link_one_show
, true);
342 static int link_add_netdev(struct rd
*rd
)
348 pr_err("Please provide a net device name.\n");
352 link_netdev
= rd_argv(rd
);
353 rd_prepare_msg(rd
, RDMA_NLDEV_CMD_NEWLINK
, &seq
,
354 (NLM_F_REQUEST
| NLM_F_ACK
));
355 mnl_attr_put_strz(rd
->nlh
, RDMA_NLDEV_ATTR_DEV_NAME
, rd
->link_name
);
356 mnl_attr_put_strz(rd
->nlh
, RDMA_NLDEV_ATTR_LINK_TYPE
, rd
->link_type
);
357 mnl_attr_put_strz(rd
->nlh
, RDMA_NLDEV_ATTR_NDEV_NAME
, link_netdev
);
358 return rd_sendrecv_msg(rd
, seq
);
361 static int link_add_type(struct rd
*rd
)
363 const struct rd_cmd cmds
[] = {
365 { "netdev", link_add_netdev
},
370 pr_err("Please provide a link type name.\n");
373 rd
->link_type
= rd_argv(rd
);
375 return rd_exec_cmd(rd
, cmds
, "parameter");
378 static int link_add(struct rd
*rd
)
380 const struct rd_cmd cmds
[] = {
382 { "type", link_add_type
},
387 pr_err("Please provide a link name to add.\n");
390 rd
->link_name
= rd_argv(rd
);
393 return rd_exec_cmd(rd
, cmds
, "parameter");
396 static int _link_del(struct rd
*rd
)
400 if (!rd_no_arg(rd
)) {
401 pr_err("Unknown parameter %s\n", rd_argv(rd
));
404 rd_prepare_msg(rd
, RDMA_NLDEV_CMD_DELLINK
, &seq
,
405 (NLM_F_REQUEST
| NLM_F_ACK
));
406 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_DEV_INDEX
, rd
->dev_idx
);
407 return rd_sendrecv_msg(rd
, seq
);
410 static int link_del(struct rd
*rd
)
412 return rd_exec_require_dev(rd
, _link_del
);
415 int cmd_link(struct rd
*rd
)
417 const struct rd_cmd cmds
[] = {
420 { "delete", link_del
},
421 { "show", link_show
},
422 { "list", link_show
},
423 { "help", link_help
},
427 return rd_exec_cmd(rd
, cmds
, "link command");