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.
9 * Authors: Leon Romanovsky <leonro@mellanox.com>
14 static int link_help(struct rd
*rd
)
16 pr_out("Usage: %s link show [DEV/PORT_INDEX]\n", rd
->filename
);
20 static const char *caps_to_str(uint32_t idx
)
22 #define RDMA_PORT_FLAGS(x) \
34 x(SYS_IMAGE_GUID, 11) \
35 x(PKEY_SW_EXT_PORT_TRAP, 12) \
37 x(EXTENDED_SPEEDS, 14) \
45 x(CAP_MASK_NOTICE, 22) \
49 x(OTHER_LOCAL_CHANGES, 26) \
50 x(LINK_SPPED_WIDTH, 27) \
51 x(VENDOR_SPECIFIC_MADS, 28) \
52 x(MULT_PKER_TRAP, 29) \
56 enum { RDMA_PORT_FLAGS(RDMA_BITMAP_ENUM
) };
58 static const char * const
59 rdma_port_names
[] = { RDMA_PORT_FLAGS(RDMA_BITMAP_NAMES
) };
60 #undef RDMA_PORT_FLAGS
62 return rdma_port_names
[idx
];
65 static void link_print_caps(struct rd
*rd
, struct nlattr
**tb
)
70 if (!tb
[RDMA_NLDEV_ATTR_CAP_FLAGS
])
73 caps
= mnl_attr_get_u64(tb
[RDMA_NLDEV_ATTR_CAP_FLAGS
]);
75 if (rd
->json_output
) {
76 jsonw_name(rd
->jw
, "caps");
77 jsonw_start_array(rd
->jw
);
81 for (idx
= 0; caps
; idx
++) {
83 if (rd
->json_output
) {
84 jsonw_string(rd
->jw
, caps_to_str(idx
));
86 pr_out("%s", caps_to_str(idx
));
95 jsonw_end_array(rd
->jw
);
100 static void link_print_subnet_prefix(struct rd
*rd
, struct nlattr
**tb
)
102 uint64_t subnet_prefix
;
106 if (!tb
[RDMA_NLDEV_ATTR_SUBNET_PREFIX
])
109 subnet_prefix
= mnl_attr_get_u64(tb
[RDMA_NLDEV_ATTR_SUBNET_PREFIX
]);
110 memcpy(vp
, &subnet_prefix
, sizeof(uint64_t));
111 snprintf(str
, 32, "%04x:%04x:%04x:%04x", vp
[3], vp
[2], vp
[1], vp
[0]);
113 jsonw_string_field(rd
->jw
, "subnet_prefix", str
);
115 pr_out("subnet_prefix %s ", str
);
118 static void link_print_lid(struct rd
*rd
, struct nlattr
**tb
)
122 if (!tb
[RDMA_NLDEV_ATTR_LID
])
125 lid
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_LID
]);
127 jsonw_uint_field(rd
->jw
, "lid", lid
);
129 pr_out("lid %u ", lid
);
132 static void link_print_sm_lid(struct rd
*rd
, struct nlattr
**tb
)
136 if (!tb
[RDMA_NLDEV_ATTR_SM_LID
])
139 sm_lid
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_SM_LID
]);
141 jsonw_uint_field(rd
->jw
, "sm_lid", sm_lid
);
143 pr_out("sm_lid %u ", sm_lid
);
146 static void link_print_lmc(struct rd
*rd
, struct nlattr
**tb
)
150 if (!tb
[RDMA_NLDEV_ATTR_LMC
])
153 lmc
= mnl_attr_get_u8(tb
[RDMA_NLDEV_ATTR_LMC
]);
155 jsonw_uint_field(rd
->jw
, "lmc", lmc
);
157 pr_out("lmc %u ", lmc
);
160 static const char *link_state_to_str(uint8_t link_state
)
162 static const char * const link_state_str
[] = { "NOP", "DOWN",
166 if (link_state
< ARRAY_SIZE(link_state_str
))
167 return link_state_str
[link_state
];
171 static void link_print_state(struct rd
*rd
, struct nlattr
**tb
)
175 if (!tb
[RDMA_NLDEV_ATTR_PORT_STATE
])
178 state
= mnl_attr_get_u8(tb
[RDMA_NLDEV_ATTR_PORT_STATE
]);
180 jsonw_string_field(rd
->jw
, "state", link_state_to_str(state
));
182 pr_out("state %s ", link_state_to_str(state
));
185 static const char *phys_state_to_str(uint8_t phys_state
)
187 static const char * const phys_state_str
[] = { "NOP", "SLEEP",
188 "POLLING", "DISABLED",
190 "LINK_ERROR_RECOVER",
191 "PHY_TEST", "UNKNOWN",
193 "UNKNOWN", "OPA_TEST" };
194 if (phys_state
< ARRAY_SIZE(phys_state_str
))
195 return phys_state_str
[phys_state
];
199 static void link_print_phys_state(struct rd
*rd
, struct nlattr
**tb
)
203 if (!tb
[RDMA_NLDEV_ATTR_PORT_PHYS_STATE
])
206 phys_state
= mnl_attr_get_u8(tb
[RDMA_NLDEV_ATTR_PORT_PHYS_STATE
]);
208 jsonw_string_field(rd
->jw
, "physical_state",
209 phys_state_to_str(phys_state
));
211 pr_out("physical_state %s ", phys_state_to_str(phys_state
));
214 static void link_print_netdev(struct rd
*rd
, struct nlattr
**tb
)
216 const char *netdev_name
;
219 if (!tb
[RDMA_NLDEV_ATTR_NDEV_NAME
] || !tb
[RDMA_NLDEV_ATTR_NDEV_INDEX
])
222 netdev_name
= mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_NDEV_NAME
]);
223 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_NDEV_INDEX
]);
224 if (rd
->json_output
) {
225 jsonw_string_field(rd
->jw
, "netdev", netdev_name
);
226 jsonw_uint_field(rd
->jw
, "netdev_index", idx
);
228 pr_out("netdev %s ", netdev_name
);
229 if (rd
->show_details
)
230 pr_out("netdev_index %u ", idx
);
234 static int link_parse_cb(const struct nlmsghdr
*nlh
, void *data
)
236 struct nlattr
*tb
[RDMA_NLDEV_ATTR_MAX
] = {};
237 struct rd
*rd
= data
;
241 mnl_attr_parse(nlh
, 0, rd_attr_cb
, tb
);
242 if (!tb
[RDMA_NLDEV_ATTR_DEV_INDEX
] || !tb
[RDMA_NLDEV_ATTR_DEV_NAME
])
245 if (!tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]) {
246 pr_err("This tool doesn't support switches yet\n");
250 idx
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_DEV_INDEX
]);
251 port
= mnl_attr_get_u32(tb
[RDMA_NLDEV_ATTR_PORT_INDEX
]);
252 snprintf(name
, 32, "%s/%u",
253 mnl_attr_get_str(tb
[RDMA_NLDEV_ATTR_DEV_NAME
]), port
);
255 if (rd
->json_output
) {
256 jsonw_uint_field(rd
->jw
, "ifindex", idx
);
257 jsonw_uint_field(rd
->jw
, "port", port
);
258 jsonw_string_field(rd
->jw
, "ifname", name
);
261 pr_out("%u/%u: %s: ", idx
, port
, name
);
264 link_print_subnet_prefix(rd
, tb
);
265 link_print_lid(rd
, tb
);
266 link_print_sm_lid(rd
, tb
);
267 link_print_lmc(rd
, tb
);
268 link_print_state(rd
, tb
);
269 link_print_phys_state(rd
, tb
);
270 link_print_netdev(rd
, tb
);
271 if (rd
->show_details
)
272 link_print_caps(rd
, tb
);
274 if (!rd
->json_output
)
279 static int link_no_args(struct rd
*rd
)
284 rd_prepare_msg(rd
, RDMA_NLDEV_CMD_PORT_GET
, &seq
,
285 (NLM_F_REQUEST
| NLM_F_ACK
));
286 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_DEV_INDEX
, rd
->dev_idx
);
287 mnl_attr_put_u32(rd
->nlh
, RDMA_NLDEV_ATTR_PORT_INDEX
, rd
->port_idx
);
288 ret
= rd_send_msg(rd
);
293 jsonw_start_object(rd
->jw
);
294 ret
= rd_recv_msg(rd
, link_parse_cb
, rd
, seq
);
296 jsonw_end_object(rd
->jw
);
300 static int link_one_show(struct rd
*rd
)
302 const struct rd_cmd cmds
[] = {
303 { NULL
, link_no_args
},
310 return rd_exec_cmd(rd
, cmds
, "parameter");
313 static int link_show(struct rd
*rd
)
315 return rd_exec_link(rd
, link_one_show
, true);
318 int cmd_link(struct rd
*rd
)
320 const struct rd_cmd cmds
[] = {
322 { "show", link_show
},
323 { "list", link_show
},
324 { "help", link_help
},
328 return rd_exec_cmd(rd
, cmds
, "link command");