2 * devlink.c Devlink tool
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: Jiri Pirko <jiri@mellanox.com>
20 #include <linux/genetlink.h>
21 #include <linux/devlink.h>
22 #include <libmnl/libmnl.h>
27 #include "json_writer.h"
29 #define ESWITCH_MODE_LEGACY "legacy"
30 #define ESWITCH_MODE_SWITCHDEV "switchdev"
32 #define pr_err(args...) fprintf(stderr, ##args)
33 #define pr_out(args...) fprintf(stdout, ##args)
34 #define pr_out_sp(num, args...) \
36 int ret = fprintf(stdout, ##args); \
38 fprintf(stdout, "%*s", num - ret, ""); \
41 static int _mnlg_socket_recv_run(struct mnlg_socket
*nlg
,
42 mnl_cb_t data_cb
, void *data
)
46 err
= mnlg_socket_recv_run(nlg
, data_cb
, data
);
48 pr_err("devlink answers: %s\n", strerror(errno
));
54 static int _mnlg_socket_sndrcv(struct mnlg_socket
*nlg
,
55 const struct nlmsghdr
*nlh
,
56 mnl_cb_t data_cb
, void *data
)
60 err
= mnlg_socket_send(nlg
, nlh
);
62 pr_err("Failed to call mnlg_socket_send\n");
65 return _mnlg_socket_recv_run(nlg
, data_cb
, data
);
68 static int _mnlg_socket_group_add(struct mnlg_socket
*nlg
,
69 const char *group_name
)
73 err
= mnlg_socket_group_add(nlg
, group_name
);
75 pr_err("Failed to call mnlg_socket_group_add\n");
82 struct list_head list
;
89 static struct ifname_map
*ifname_map_alloc(const char *bus_name
,
94 struct ifname_map
*ifname_map
;
96 ifname_map
= calloc(1, sizeof(*ifname_map
));
99 ifname_map
->bus_name
= strdup(bus_name
);
100 ifname_map
->dev_name
= strdup(dev_name
);
101 ifname_map
->port_index
= port_index
;
102 ifname_map
->ifname
= strdup(ifname
);
103 if (!ifname_map
->bus_name
|| !ifname_map
->dev_name
||
104 !ifname_map
->ifname
) {
105 free(ifname_map
->ifname
);
106 free(ifname_map
->dev_name
);
107 free(ifname_map
->bus_name
);
114 static void ifname_map_free(struct ifname_map
*ifname_map
)
116 free(ifname_map
->ifname
);
117 free(ifname_map
->dev_name
);
118 free(ifname_map
->bus_name
);
122 #define BIT(nr) (1UL << (nr))
123 #define DL_OPT_HANDLE BIT(0)
124 #define DL_OPT_HANDLEP BIT(1)
125 #define DL_OPT_PORT_TYPE BIT(2)
126 #define DL_OPT_PORT_COUNT BIT(3)
127 #define DL_OPT_SB BIT(4)
128 #define DL_OPT_SB_POOL BIT(5)
129 #define DL_OPT_SB_SIZE BIT(6)
130 #define DL_OPT_SB_TYPE BIT(7)
131 #define DL_OPT_SB_THTYPE BIT(8)
132 #define DL_OPT_SB_TH BIT(9)
133 #define DL_OPT_SB_TC BIT(10)
134 #define DL_OPT_ESWITCH_MODE BIT(11)
137 uint32_t present
; /* flags of present items */
141 enum devlink_port_type port_type
;
144 uint16_t sb_pool_index
;
145 uint32_t sb_pool_size
;
146 enum devlink_sb_pool_type sb_pool_type
;
147 enum devlink_sb_threshold_type sb_pool_thtype
;
148 uint32_t sb_threshold
;
149 uint16_t sb_tc_index
;
150 enum devlink_eswitch_mode eswitch_mode
;
154 struct mnlg_socket
*nlg
;
155 struct list_head ifname_map_list
;
171 static int dl_argc(struct dl
*dl
)
176 static char *dl_argv(struct dl
*dl
)
178 if (dl_argc(dl
) == 0)
183 static void dl_arg_inc(struct dl
*dl
)
185 if (dl_argc(dl
) == 0)
191 static char *dl_argv_next(struct dl
*dl
)
195 if (dl_argc(dl
) == 0)
203 static char *dl_argv_index(struct dl
*dl
, unsigned int index
)
205 if (index
>= dl_argc(dl
))
207 return dl
->argv
[index
];
210 static int strcmpx(const char *str1
, const char *str2
)
212 if (strlen(str1
) > strlen(str2
))
214 return strncmp(str1
, str2
, strlen(str1
));
217 static bool dl_argv_match(struct dl
*dl
, const char *pattern
)
219 if (dl_argc(dl
) == 0)
221 return strcmpx(dl_argv(dl
), pattern
) == 0;
224 static bool dl_no_arg(struct dl
*dl
)
226 return dl_argc(dl
) == 0;
229 static int attr_cb(const struct nlattr
*attr
, void *data
)
231 const struct nlattr
**tb
= data
;
234 type
= mnl_attr_get_type(attr
);
236 if (mnl_attr_type_valid(attr
, DEVLINK_ATTR_MAX
) < 0)
239 if (type
== DEVLINK_ATTR_BUS_NAME
&&
240 mnl_attr_validate(attr
, MNL_TYPE_NUL_STRING
) < 0)
242 if (type
== DEVLINK_ATTR_DEV_NAME
&&
243 mnl_attr_validate(attr
, MNL_TYPE_NUL_STRING
) < 0)
245 if (type
== DEVLINK_ATTR_PORT_INDEX
&&
246 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
248 if (type
== DEVLINK_ATTR_PORT_TYPE
&&
249 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
251 if (type
== DEVLINK_ATTR_PORT_DESIRED_TYPE
&&
252 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
254 if (type
== DEVLINK_ATTR_PORT_NETDEV_IFINDEX
&&
255 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
257 if (type
== DEVLINK_ATTR_PORT_NETDEV_NAME
&&
258 mnl_attr_validate(attr
, MNL_TYPE_NUL_STRING
) < 0)
260 if (type
== DEVLINK_ATTR_PORT_IBDEV_NAME
&&
261 mnl_attr_validate(attr
, MNL_TYPE_NUL_STRING
) < 0)
263 if (type
== DEVLINK_ATTR_SB_INDEX
&&
264 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
266 if (type
== DEVLINK_ATTR_SB_SIZE
&&
267 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
269 if (type
== DEVLINK_ATTR_SB_INGRESS_POOL_COUNT
&&
270 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
272 if (type
== DEVLINK_ATTR_SB_EGRESS_POOL_COUNT
&&
273 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
275 if (type
== DEVLINK_ATTR_SB_INGRESS_TC_COUNT
&&
276 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
278 if (type
== DEVLINK_ATTR_SB_EGRESS_TC_COUNT
&&
279 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
281 if (type
== DEVLINK_ATTR_SB_POOL_INDEX
&&
282 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
284 if (type
== DEVLINK_ATTR_SB_POOL_TYPE
&&
285 mnl_attr_validate(attr
, MNL_TYPE_U8
) < 0)
287 if (type
== DEVLINK_ATTR_SB_POOL_SIZE
&&
288 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
290 if (type
== DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
&&
291 mnl_attr_validate(attr
, MNL_TYPE_U8
) < 0)
293 if (type
== DEVLINK_ATTR_SB_THRESHOLD
&&
294 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
296 if (type
== DEVLINK_ATTR_SB_TC_INDEX
&&
297 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
299 if (type
== DEVLINK_ATTR_SB_OCC_CUR
&&
300 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
302 if (type
== DEVLINK_ATTR_SB_OCC_MAX
&&
303 mnl_attr_validate(attr
, MNL_TYPE_U32
) < 0)
305 if (type
== DEVLINK_ATTR_ESWITCH_MODE
&&
306 mnl_attr_validate(attr
, MNL_TYPE_U16
) < 0)
312 static int ifname_map_cb(const struct nlmsghdr
*nlh
, void *data
)
314 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
315 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
316 struct dl
*dl
= data
;
317 struct ifname_map
*ifname_map
;
318 const char *bus_name
;
319 const char *dev_name
;
320 uint32_t port_ifindex
;
321 const char *port_ifname
;
323 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
324 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
325 !tb
[DEVLINK_ATTR_PORT_INDEX
])
328 if (!tb
[DEVLINK_ATTR_PORT_NETDEV_NAME
])
331 bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
332 dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
333 port_ifindex
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
334 port_ifname
= mnl_attr_get_str(tb
[DEVLINK_ATTR_PORT_NETDEV_NAME
]);
335 ifname_map
= ifname_map_alloc(bus_name
, dev_name
,
336 port_ifindex
, port_ifname
);
339 list_add(&ifname_map
->list
, &dl
->ifname_map_list
);
344 static void ifname_map_fini(struct dl
*dl
)
346 struct ifname_map
*ifname_map
, *tmp
;
348 list_for_each_entry_safe(ifname_map
, tmp
,
349 &dl
->ifname_map_list
, list
) {
350 list_del(&ifname_map
->list
);
351 ifname_map_free(ifname_map
);
355 static int ifname_map_init(struct dl
*dl
)
357 struct nlmsghdr
*nlh
;
360 INIT_LIST_HEAD(&dl
->ifname_map_list
);
362 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_GET
,
363 NLM_F_REQUEST
| NLM_F_ACK
| NLM_F_DUMP
);
365 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, ifname_map_cb
, dl
);
373 static int ifname_map_lookup(struct dl
*dl
, const char *ifname
,
374 char **p_bus_name
, char **p_dev_name
,
375 uint32_t *p_port_index
)
377 struct ifname_map
*ifname_map
;
379 list_for_each_entry(ifname_map
, &dl
->ifname_map_list
, list
) {
380 if (strcmp(ifname
, ifname_map
->ifname
) == 0) {
381 *p_bus_name
= ifname_map
->bus_name
;
382 *p_dev_name
= ifname_map
->dev_name
;
383 *p_port_index
= ifname_map
->port_index
;
390 static int ifname_map_rev_lookup(struct dl
*dl
, const char *bus_name
,
391 const char *dev_name
, uint32_t port_index
,
394 struct ifname_map
*ifname_map
;
396 list_for_each_entry(ifname_map
, &dl
->ifname_map_list
, list
) {
397 if (strcmp(bus_name
, ifname_map
->bus_name
) == 0 &&
398 strcmp(dev_name
, ifname_map
->dev_name
) == 0 &&
399 port_index
== ifname_map
->port_index
) {
400 *p_ifname
= ifname_map
->ifname
;
407 static unsigned int strslashcount(char *str
)
409 unsigned int count
= 0;
412 while ((pos
= strchr(pos
, '/'))) {
419 static int strslashrsplit(char *str
, char **before
, char **after
)
423 slash
= strrchr(str
, '/');
432 static int strtouint32_t(const char *str
, uint32_t *p_val
)
435 unsigned long int val
;
437 val
= strtoul(str
, &endptr
, 10);
438 if (endptr
== str
|| *endptr
!= '\0')
446 static int strtouint16_t(const char *str
, uint16_t *p_val
)
449 unsigned long int val
;
451 val
= strtoul(str
, &endptr
, 10);
452 if (endptr
== str
|| *endptr
!= '\0')
460 static int __dl_argv_handle(char *str
, char **p_bus_name
, char **p_dev_name
)
462 strslashrsplit(str
, p_bus_name
, p_dev_name
);
466 static int dl_argv_handle(struct dl
*dl
, char **p_bus_name
, char **p_dev_name
)
468 char *str
= dl_argv_next(dl
);
471 pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
474 if (strslashcount(str
) != 1) {
475 pr_err("Wrong devlink identification string format.\n");
476 pr_err("Expected \"bus_name/dev_name\".\n");
479 return __dl_argv_handle(str
, p_bus_name
, p_dev_name
);
482 static int __dl_argv_handle_port(char *str
,
483 char **p_bus_name
, char **p_dev_name
,
484 uint32_t *p_port_index
)
486 char *handlestr
= handlestr
;
487 char *portstr
= portstr
;
490 strslashrsplit(str
, &handlestr
, &portstr
);
491 err
= strtouint32_t(portstr
, p_port_index
);
493 pr_err("Port index \"%s\" is not a number or not within range\n",
497 strslashrsplit(handlestr
, p_bus_name
, p_dev_name
);
501 static int __dl_argv_handle_port_ifname(struct dl
*dl
, char *str
,
502 char **p_bus_name
, char **p_dev_name
,
503 uint32_t *p_port_index
)
507 err
= ifname_map_lookup(dl
, str
, p_bus_name
, p_dev_name
,
510 pr_err("Netdevice \"%s\" not found\n", str
);
516 static int dl_argv_handle_port(struct dl
*dl
, char **p_bus_name
,
517 char **p_dev_name
, uint32_t *p_port_index
)
519 char *str
= dl_argv_next(dl
);
520 unsigned int slash_count
;
523 pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
526 slash_count
= strslashcount(str
);
527 if (slash_count
!= 2 && slash_count
!= 0) {
528 pr_err("Wrong port identification string format.\n");
529 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
532 if (slash_count
== 2) {
533 return __dl_argv_handle_port(str
, p_bus_name
,
534 p_dev_name
, p_port_index
);
535 } else if (slash_count
== 0) {
536 return __dl_argv_handle_port_ifname(dl
, str
, p_bus_name
,
537 p_dev_name
, p_port_index
);
542 static int dl_argv_handle_both(struct dl
*dl
, char **p_bus_name
,
543 char **p_dev_name
, uint32_t *p_port_index
,
544 uint32_t *p_handle_bit
)
546 char *str
= dl_argv_next(dl
);
547 unsigned int slash_count
;
551 pr_err("One of following identifications expected:\n"
552 "Devlink identification (\"bus_name/dev_name\")\n"
553 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
556 slash_count
= strslashcount(str
);
557 if (slash_count
== 1) {
558 err
= __dl_argv_handle(str
, p_bus_name
, p_dev_name
);
561 *p_handle_bit
= DL_OPT_HANDLE
;
562 } else if (slash_count
== 2) {
563 err
= __dl_argv_handle_port(str
, p_bus_name
,
564 p_dev_name
, p_port_index
);
567 *p_handle_bit
= DL_OPT_HANDLEP
;
568 } else if (slash_count
== 0) {
569 err
= __dl_argv_handle_port_ifname(dl
, str
, p_bus_name
,
570 p_dev_name
, p_port_index
);
573 *p_handle_bit
= DL_OPT_HANDLEP
;
575 pr_err("Wrong port identification string format.\n");
576 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
582 static int dl_argv_uint32_t(struct dl
*dl
, uint32_t *p_val
)
584 char *str
= dl_argv_next(dl
);
588 pr_err("Unsigned number argument expected\n");
592 err
= strtouint32_t(str
, p_val
);
594 pr_err("\"%s\" is not a number or not within range\n", str
);
600 static int dl_argv_uint16_t(struct dl
*dl
, uint16_t *p_val
)
602 char *str
= dl_argv_next(dl
);
606 pr_err("Unsigned number argument expected\n");
610 err
= strtouint16_t(str
, p_val
);
612 pr_err("\"%s\" is not a number or not within range\n", str
);
618 static int dl_argv_str(struct dl
*dl
, const char **p_str
)
620 const char *str
= dl_argv_next(dl
);
623 pr_err("String parameter expected\n");
630 static int port_type_get(const char *typestr
, enum devlink_port_type
*p_type
)
632 if (strcmp(typestr
, "auto") == 0) {
633 *p_type
= DEVLINK_PORT_TYPE_AUTO
;
634 } else if (strcmp(typestr
, "eth") == 0) {
635 *p_type
= DEVLINK_PORT_TYPE_ETH
;
636 } else if (strcmp(typestr
, "ib") == 0) {
637 *p_type
= DEVLINK_PORT_TYPE_IB
;
639 pr_err("Unknown port type \"%s\"\n", typestr
);
645 static int pool_type_get(const char *typestr
, enum devlink_sb_pool_type
*p_type
)
647 if (strcmp(typestr
, "ingress") == 0) {
648 *p_type
= DEVLINK_SB_POOL_TYPE_INGRESS
;
649 } else if (strcmp(typestr
, "egress") == 0) {
650 *p_type
= DEVLINK_SB_POOL_TYPE_EGRESS
;
652 pr_err("Unknown pool type \"%s\"\n", typestr
);
658 static int threshold_type_get(const char *typestr
,
659 enum devlink_sb_threshold_type
*p_type
)
661 if (strcmp(typestr
, "static") == 0) {
662 *p_type
= DEVLINK_SB_THRESHOLD_TYPE_STATIC
;
663 } else if (strcmp(typestr
, "dynamic") == 0) {
664 *p_type
= DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC
;
666 pr_err("Unknown threshold type \"%s\"\n", typestr
);
672 static int eswitch_mode_get(const char *typestr
,
673 enum devlink_eswitch_mode
*p_mode
)
675 if (strcmp(typestr
, ESWITCH_MODE_LEGACY
) == 0) {
676 *p_mode
= DEVLINK_ESWITCH_MODE_LEGACY
;
677 } else if (strcmp(typestr
, ESWITCH_MODE_SWITCHDEV
) == 0) {
678 *p_mode
= DEVLINK_ESWITCH_MODE_SWITCHDEV
;
680 pr_err("Unknown eswitch mode \"%s\"\n", typestr
);
686 static int dl_argv_parse(struct dl
*dl
, uint32_t o_required
,
689 struct dl_opts
*opts
= &dl
->opts
;
690 uint32_t o_all
= o_required
| o_optional
;
691 uint32_t o_found
= 0;
694 if (o_required
& DL_OPT_HANDLE
&& o_required
& DL_OPT_HANDLEP
) {
695 uint32_t handle_bit
= handle_bit
;
697 err
= dl_argv_handle_both(dl
, &opts
->bus_name
, &opts
->dev_name
,
698 &opts
->port_index
, &handle_bit
);
701 o_found
|= handle_bit
;
702 } else if (o_required
& DL_OPT_HANDLE
) {
703 err
= dl_argv_handle(dl
, &opts
->bus_name
, &opts
->dev_name
);
706 o_found
|= DL_OPT_HANDLE
;
707 } else if (o_required
& DL_OPT_HANDLEP
) {
708 err
= dl_argv_handle_port(dl
, &opts
->bus_name
, &opts
->dev_name
,
712 o_found
|= DL_OPT_HANDLEP
;
715 while (dl_argc(dl
)) {
716 if (dl_argv_match(dl
, "type") &&
717 (o_all
& DL_OPT_PORT_TYPE
)) {
721 err
= dl_argv_str(dl
, &typestr
);
724 err
= port_type_get(typestr
, &opts
->port_type
);
727 o_found
|= DL_OPT_PORT_TYPE
;
728 } else if (dl_argv_match(dl
, "count") &&
729 (o_all
& DL_OPT_PORT_COUNT
)) {
731 err
= dl_argv_uint32_t(dl
, &opts
->port_count
);
734 o_found
|= DL_OPT_PORT_COUNT
;
735 } else if (dl_argv_match(dl
, "sb") &&
736 (o_all
& DL_OPT_SB
)) {
738 err
= dl_argv_uint32_t(dl
, &opts
->sb_index
);
741 o_found
|= DL_OPT_SB
;
742 } else if (dl_argv_match(dl
, "pool") &&
743 (o_all
& DL_OPT_SB_POOL
)) {
745 err
= dl_argv_uint16_t(dl
, &opts
->sb_pool_index
);
748 o_found
|= DL_OPT_SB_POOL
;
749 } else if (dl_argv_match(dl
, "size") &&
750 (o_all
& DL_OPT_SB_SIZE
)) {
752 err
= dl_argv_uint32_t(dl
, &opts
->sb_pool_size
);
755 o_found
|= DL_OPT_SB_SIZE
;
756 } else if (dl_argv_match(dl
, "type") &&
757 (o_all
& DL_OPT_SB_TYPE
)) {
761 err
= dl_argv_str(dl
, &typestr
);
764 err
= pool_type_get(typestr
, &opts
->sb_pool_type
);
767 o_found
|= DL_OPT_SB_TYPE
;
768 } else if (dl_argv_match(dl
, "thtype") &&
769 (o_all
& DL_OPT_SB_THTYPE
)) {
773 err
= dl_argv_str(dl
, &typestr
);
776 err
= threshold_type_get(typestr
,
777 &opts
->sb_pool_thtype
);
780 o_found
|= DL_OPT_SB_THTYPE
;
781 } else if (dl_argv_match(dl
, "th") &&
782 (o_all
& DL_OPT_SB_TH
)) {
784 err
= dl_argv_uint32_t(dl
, &opts
->sb_threshold
);
787 o_found
|= DL_OPT_SB_TH
;
788 } else if (dl_argv_match(dl
, "tc") &&
789 (o_all
& DL_OPT_SB_TC
)) {
791 err
= dl_argv_uint16_t(dl
, &opts
->sb_tc_index
);
794 o_found
|= DL_OPT_SB_TC
;
795 } else if (dl_argv_match(dl
, "mode") &&
796 (o_all
& DL_OPT_ESWITCH_MODE
)) {
800 err
= dl_argv_str(dl
, &typestr
);
803 err
= eswitch_mode_get(typestr
, &opts
->eswitch_mode
);
806 o_found
|= DL_OPT_ESWITCH_MODE
;
808 pr_err("Unknown option \"%s\"\n", dl_argv(dl
));
813 opts
->present
= o_found
;
815 if ((o_optional
& DL_OPT_SB
) && !(o_found
& DL_OPT_SB
)) {
817 opts
->present
|= DL_OPT_SB
;
820 if ((o_required
& DL_OPT_PORT_TYPE
) && !(o_found
& DL_OPT_PORT_TYPE
)) {
821 pr_err("Port type option expected.\n");
825 if ((o_required
& DL_OPT_PORT_COUNT
) &&
826 !(o_found
& DL_OPT_PORT_COUNT
)) {
827 pr_err("Port split count option expected.\n");
831 if ((o_required
& DL_OPT_SB_POOL
) && !(o_found
& DL_OPT_SB_POOL
)) {
832 pr_err("Pool index option expected.\n");
836 if ((o_required
& DL_OPT_SB_SIZE
) && !(o_found
& DL_OPT_SB_SIZE
)) {
837 pr_err("Pool size option expected.\n");
841 if ((o_required
& DL_OPT_SB_TYPE
) && !(o_found
& DL_OPT_SB_TYPE
)) {
842 pr_err("Pool type option expected.\n");
846 if ((o_required
& DL_OPT_SB_THTYPE
) && !(o_found
& DL_OPT_SB_THTYPE
)) {
847 pr_err("Pool threshold type option expected.\n");
851 if ((o_required
& DL_OPT_SB_TH
) && !(o_found
& DL_OPT_SB_TH
)) {
852 pr_err("Threshold option expected.\n");
856 if ((o_required
& DL_OPT_SB_TC
) && !(o_found
& DL_OPT_SB_TC
)) {
857 pr_err("TC index option expected.\n");
861 if ((o_required
& DL_OPT_ESWITCH_MODE
) &&
862 !(o_found
& DL_OPT_ESWITCH_MODE
)) {
863 pr_err("E-Switch mode option expected.\n");
870 static void dl_opts_put(struct nlmsghdr
*nlh
, struct dl
*dl
)
872 struct dl_opts
*opts
= &dl
->opts
;
874 if (opts
->present
& DL_OPT_HANDLE
) {
875 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_BUS_NAME
, opts
->bus_name
);
876 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_DEV_NAME
, opts
->dev_name
);
877 } else if (opts
->present
& DL_OPT_HANDLEP
) {
878 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_BUS_NAME
, opts
->bus_name
);
879 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_DEV_NAME
, opts
->dev_name
);
880 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_PORT_INDEX
,
883 if (opts
->present
& DL_OPT_PORT_TYPE
)
884 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_PORT_TYPE
,
886 if (opts
->present
& DL_OPT_PORT_COUNT
)
887 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_PORT_SPLIT_COUNT
,
889 if (opts
->present
& DL_OPT_SB
)
890 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_SB_INDEX
,
892 if (opts
->present
& DL_OPT_SB_POOL
)
893 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_SB_POOL_INDEX
,
894 opts
->sb_pool_index
);
895 if (opts
->present
& DL_OPT_SB_SIZE
)
896 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_SB_POOL_SIZE
,
898 if (opts
->present
& DL_OPT_SB_TYPE
)
899 mnl_attr_put_u8(nlh
, DEVLINK_ATTR_SB_POOL_TYPE
,
901 if (opts
->present
& DL_OPT_SB_THTYPE
)
902 mnl_attr_put_u8(nlh
, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
,
903 opts
->sb_pool_thtype
);
904 if (opts
->present
& DL_OPT_SB_TH
)
905 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_SB_THRESHOLD
,
907 if (opts
->present
& DL_OPT_SB_TC
)
908 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_SB_TC_INDEX
,
910 if (opts
->present
& DL_OPT_ESWITCH_MODE
)
911 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_ESWITCH_MODE
,
915 static int dl_argv_parse_put(struct nlmsghdr
*nlh
, struct dl
*dl
,
916 uint32_t o_required
, uint32_t o_optional
)
920 err
= dl_argv_parse(dl
, o_required
, o_optional
);
923 dl_opts_put(nlh
, dl
);
927 static bool dl_dump_filter(struct dl
*dl
, struct nlattr
**tb
)
929 struct dl_opts
*opts
= &dl
->opts
;
930 struct nlattr
*attr_bus_name
= tb
[DEVLINK_ATTR_BUS_NAME
];
931 struct nlattr
*attr_dev_name
= tb
[DEVLINK_ATTR_DEV_NAME
];
932 struct nlattr
*attr_port_index
= tb
[DEVLINK_ATTR_PORT_INDEX
];
933 struct nlattr
*attr_sb_index
= tb
[DEVLINK_ATTR_SB_INDEX
];
935 if (opts
->present
& DL_OPT_HANDLE
&&
936 attr_bus_name
&& attr_dev_name
) {
937 const char *bus_name
= mnl_attr_get_str(attr_bus_name
);
938 const char *dev_name
= mnl_attr_get_str(attr_dev_name
);
940 if (strcmp(bus_name
, opts
->bus_name
) != 0 ||
941 strcmp(dev_name
, opts
->dev_name
) != 0)
944 if (opts
->present
& DL_OPT_HANDLEP
&&
945 attr_bus_name
&& attr_dev_name
&& attr_port_index
) {
946 const char *bus_name
= mnl_attr_get_str(attr_bus_name
);
947 const char *dev_name
= mnl_attr_get_str(attr_dev_name
);
948 uint32_t port_index
= mnl_attr_get_u32(attr_port_index
);
950 if (strcmp(bus_name
, opts
->bus_name
) != 0 ||
951 strcmp(dev_name
, opts
->dev_name
) != 0 ||
952 port_index
!= opts
->port_index
)
955 if (opts
->present
& DL_OPT_SB
&& attr_sb_index
) {
956 uint32_t sb_index
= mnl_attr_get_u32(attr_sb_index
);
958 if (sb_index
!= opts
->sb_index
)
964 static void cmd_dev_help(void)
966 pr_err("Usage: devlink dev show [ DEV ]\n");
969 static bool cmp_arr_last_handle(struct dl
*dl
, const char *bus_name
,
970 const char *dev_name
)
972 if (!dl
->arr_last
.present
)
974 return strcmp(dl
->arr_last
.bus_name
, bus_name
) == 0 &&
975 strcmp(dl
->arr_last
.dev_name
, dev_name
) == 0;
978 static void arr_last_handle_set(struct dl
*dl
, const char *bus_name
,
979 const char *dev_name
)
981 dl
->arr_last
.present
= true;
982 free(dl
->arr_last
.dev_name
);
983 free(dl
->arr_last
.bus_name
);
984 dl
->arr_last
.bus_name
= strdup(bus_name
);
985 dl
->arr_last
.dev_name
= strdup(dev_name
);
988 static bool should_arr_last_handle_start(struct dl
*dl
, const char *bus_name
,
989 const char *dev_name
)
991 return !cmp_arr_last_handle(dl
, bus_name
, dev_name
);
994 static bool should_arr_last_handle_end(struct dl
*dl
, const char *bus_name
,
995 const char *dev_name
)
997 return dl
->arr_last
.present
&&
998 !cmp_arr_last_handle(dl
, bus_name
, dev_name
);
1001 static void __pr_out_handle_start(struct dl
*dl
, struct nlattr
**tb
,
1002 bool content
, bool array
)
1004 const char *bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
1005 const char *dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
1008 sprintf(buf
, "%s/%s", bus_name
, dev_name
);
1010 if (dl
->json_output
) {
1012 if (should_arr_last_handle_end(dl
, bus_name
, dev_name
))
1013 jsonw_end_array(dl
->jw
);
1014 if (should_arr_last_handle_start(dl
, bus_name
,
1016 jsonw_name(dl
->jw
, buf
);
1017 jsonw_start_array(dl
->jw
);
1018 jsonw_start_object(dl
->jw
);
1019 arr_last_handle_set(dl
, bus_name
, dev_name
);
1021 jsonw_start_object(dl
->jw
);
1024 jsonw_name(dl
->jw
, buf
);
1025 jsonw_start_object(dl
->jw
);
1028 pr_out("%s%s", buf
, content
? ":" : "");
1032 static void pr_out_handle_start_arr(struct dl
*dl
, struct nlattr
**tb
)
1034 __pr_out_handle_start(dl
, tb
, true, true);
1037 static void pr_out_handle_end(struct dl
*dl
)
1039 if (dl
->json_output
)
1040 jsonw_end_object(dl
->jw
);
1045 static void pr_out_handle(struct dl
*dl
, struct nlattr
**tb
)
1047 __pr_out_handle_start(dl
, tb
, false, false);
1048 pr_out_handle_end(dl
);
1051 static bool cmp_arr_last_port_handle(struct dl
*dl
, const char *bus_name
,
1052 const char *dev_name
, uint32_t port_index
)
1054 return cmp_arr_last_handle(dl
, bus_name
, dev_name
) &&
1055 dl
->arr_last
.port_index
== port_index
;
1058 static void arr_last_port_handle_set(struct dl
*dl
, const char *bus_name
,
1059 const char *dev_name
, uint32_t port_index
)
1061 arr_last_handle_set(dl
, bus_name
, dev_name
);
1062 dl
->arr_last
.port_index
= port_index
;
1065 static bool should_arr_last_port_handle_start(struct dl
*dl
,
1066 const char *bus_name
,
1067 const char *dev_name
,
1068 uint32_t port_index
)
1070 return !cmp_arr_last_port_handle(dl
, bus_name
, dev_name
, port_index
);
1073 static bool should_arr_last_port_handle_end(struct dl
*dl
,
1074 const char *bus_name
,
1075 const char *dev_name
,
1076 uint32_t port_index
)
1078 return dl
->arr_last
.present
&&
1079 !cmp_arr_last_port_handle(dl
, bus_name
, dev_name
, port_index
);
1082 static void __pr_out_port_handle_start(struct dl
*dl
, const char *bus_name
,
1083 const char *dev_name
,
1084 uint32_t port_index
, bool try_nice
,
1087 static char buf
[32];
1088 char *ifname
= NULL
;
1090 if (dl
->no_nice_names
|| !try_nice
||
1091 ifname_map_rev_lookup(dl
, bus_name
, dev_name
,
1092 port_index
, &ifname
) != 0)
1093 sprintf(buf
, "%s/%s/%d", bus_name
, dev_name
, port_index
);
1095 sprintf(buf
, "%s", ifname
);
1097 if (dl
->json_output
) {
1099 if (should_arr_last_port_handle_end(dl
, bus_name
,
1102 jsonw_end_array(dl
->jw
);
1103 if (should_arr_last_port_handle_start(dl
, bus_name
,
1106 jsonw_name(dl
->jw
, buf
);
1107 jsonw_start_array(dl
->jw
);
1108 jsonw_start_object(dl
->jw
);
1109 arr_last_port_handle_set(dl
, bus_name
, dev_name
,
1112 jsonw_start_object(dl
->jw
);
1115 jsonw_name(dl
->jw
, buf
);
1116 jsonw_start_object(dl
->jw
);
1123 static void pr_out_port_handle_start(struct dl
*dl
, struct nlattr
**tb
, bool try_nice
)
1125 const char *bus_name
;
1126 const char *dev_name
;
1127 uint32_t port_index
;
1129 bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
1130 dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
1131 port_index
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
1132 __pr_out_port_handle_start(dl
, bus_name
, dev_name
, port_index
, try_nice
, false);
1135 static void pr_out_port_handle_start_arr(struct dl
*dl
, struct nlattr
**tb
, bool try_nice
)
1137 const char *bus_name
;
1138 const char *dev_name
;
1139 uint32_t port_index
;
1141 bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
1142 dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
1143 port_index
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
1144 __pr_out_port_handle_start(dl
, bus_name
, dev_name
, port_index
, try_nice
, true);
1147 static void pr_out_port_handle_end(struct dl
*dl
)
1149 if (dl
->json_output
)
1150 jsonw_end_object(dl
->jw
);
1156 static void pr_out_str(struct dl
*dl
, const char *name
, const char *val
)
1158 if (dl
->json_output
)
1159 jsonw_string_field(dl
->jw
, name
, val
);
1161 pr_out(" %s %s", name
, val
);
1164 static void pr_out_uint(struct dl
*dl
, const char *name
, unsigned int val
)
1166 if (dl
->json_output
)
1167 jsonw_uint_field(dl
->jw
, name
, val
);
1169 pr_out(" %s %u", name
, val
);
1172 static void pr_out_dev(struct dl
*dl
, struct nlattr
**tb
)
1174 pr_out_handle(dl
, tb
);
1177 static void pr_out_section_start(struct dl
*dl
, const char *name
)
1179 if (dl
->json_output
) {
1180 jsonw_start_object(dl
->jw
);
1181 jsonw_name(dl
->jw
, name
);
1182 jsonw_start_object(dl
->jw
);
1186 static void pr_out_section_end(struct dl
*dl
)
1188 if (dl
->json_output
) {
1189 if (dl
->arr_last
.present
)
1190 jsonw_end_array(dl
->jw
);
1191 jsonw_end_object(dl
->jw
);
1192 jsonw_end_object(dl
->jw
);
1196 static const char *eswitch_mode_name(uint32_t mode
)
1199 case DEVLINK_ESWITCH_MODE_LEGACY
: return ESWITCH_MODE_LEGACY
;
1200 case DEVLINK_ESWITCH_MODE_SWITCHDEV
: return ESWITCH_MODE_SWITCHDEV
;
1201 default: return "<unknown mode>";
1205 static void pr_out_eswitch(struct dl
*dl
, struct nlattr
**tb
)
1207 __pr_out_handle_start(dl
, tb
, true, false);
1209 if (tb
[DEVLINK_ATTR_ESWITCH_MODE
])
1210 pr_out_str(dl
, "mode",
1211 eswitch_mode_name(mnl_attr_get_u16(tb
[DEVLINK_ATTR_ESWITCH_MODE
])));
1212 pr_out_handle_end(dl
);
1215 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1217 struct dl
*dl
= data
;
1218 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1219 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1221 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1222 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
])
1223 return MNL_CB_ERROR
;
1224 pr_out_eswitch(dl
, tb
);
1228 static int cmd_dev_eswitch_show(struct dl
*dl
)
1230 struct nlmsghdr
*nlh
;
1233 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_ESWITCH_MODE_GET
,
1234 NLM_F_REQUEST
| NLM_F_ACK
);
1236 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, 0);
1240 pr_out_section_start(dl
, "dev");
1241 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_dev_eswitch_show_cb
, dl
);
1242 pr_out_section_end(dl
);
1246 static int cmd_dev_eswitch_set(struct dl
*dl
)
1248 struct nlmsghdr
*nlh
;
1251 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_ESWITCH_MODE_SET
,
1252 NLM_F_REQUEST
| NLM_F_ACK
);
1254 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
| DL_OPT_ESWITCH_MODE
, 0);
1258 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1261 static int cmd_dev_eswitch(struct dl
*dl
)
1263 if (dl_argv_match(dl
, "set")) {
1265 return cmd_dev_eswitch_set(dl
);
1266 } else if (dl_argv_match(dl
, "show")) {
1268 return cmd_dev_eswitch_show(dl
);
1270 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1274 static int cmd_dev_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1276 struct dl
*dl
= data
;
1277 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1278 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1280 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1281 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
])
1282 return MNL_CB_ERROR
;
1287 static int cmd_dev_show(struct dl
*dl
)
1289 struct nlmsghdr
*nlh
;
1290 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1293 if (dl_argc(dl
) == 0)
1294 flags
|= NLM_F_DUMP
;
1296 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_GET
, flags
);
1298 if (dl_argc(dl
) > 0) {
1299 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, 0);
1304 pr_out_section_start(dl
, "dev");
1305 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_dev_show_cb
, dl
);
1306 pr_out_section_end(dl
);
1310 static int cmd_dev(struct dl
*dl
)
1312 if (dl_argv_match(dl
, "help")) {
1315 } else if (dl_argv_match(dl
, "show") ||
1316 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1318 return cmd_dev_show(dl
);
1319 } else if (dl_argv_match(dl
, "eswitch")) {
1321 return cmd_dev_eswitch(dl
);
1323 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1327 static void cmd_port_help(void)
1329 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
1330 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
1331 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
1332 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
1335 static const char *port_type_name(uint32_t type
)
1338 case DEVLINK_PORT_TYPE_NOTSET
: return "notset";
1339 case DEVLINK_PORT_TYPE_AUTO
: return "auto";
1340 case DEVLINK_PORT_TYPE_ETH
: return "eth";
1341 case DEVLINK_PORT_TYPE_IB
: return "ib";
1342 default: return "<unknown type>";
1346 static void pr_out_port(struct dl
*dl
, struct nlattr
**tb
)
1348 struct nlattr
*pt_attr
= tb
[DEVLINK_ATTR_PORT_TYPE
];
1349 struct nlattr
*dpt_attr
= tb
[DEVLINK_ATTR_PORT_DESIRED_TYPE
];
1351 pr_out_port_handle_start(dl
, tb
, false);
1353 uint16_t port_type
= mnl_attr_get_u16(pt_attr
);
1355 pr_out_str(dl
, "type", port_type_name(port_type
));
1357 uint16_t des_port_type
= mnl_attr_get_u16(dpt_attr
);
1359 if (port_type
!= des_port_type
)
1360 pr_out_str(dl
, "des_type",
1361 port_type_name(des_port_type
));
1364 if (tb
[DEVLINK_ATTR_PORT_NETDEV_NAME
])
1365 pr_out_str(dl
, "netdev",
1366 mnl_attr_get_str(tb
[DEVLINK_ATTR_PORT_NETDEV_NAME
]));
1367 if (tb
[DEVLINK_ATTR_PORT_IBDEV_NAME
])
1368 pr_out_str(dl
, "ibdev",
1369 mnl_attr_get_str(tb
[DEVLINK_ATTR_PORT_IBDEV_NAME
]));
1370 if (tb
[DEVLINK_ATTR_PORT_SPLIT_GROUP
])
1371 pr_out_uint(dl
, "split_group",
1372 mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_SPLIT_GROUP
]));
1373 pr_out_port_handle_end(dl
);
1376 static int cmd_port_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1378 struct dl
*dl
= data
;
1379 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1380 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1382 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1383 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1384 !tb
[DEVLINK_ATTR_PORT_INDEX
])
1385 return MNL_CB_ERROR
;
1386 pr_out_port(dl
, tb
);
1390 static int cmd_port_show(struct dl
*dl
)
1392 struct nlmsghdr
*nlh
;
1393 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1396 if (dl_argc(dl
) == 0)
1397 flags
|= NLM_F_DUMP
;
1399 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_GET
, flags
);
1401 if (dl_argc(dl
) > 0) {
1402 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
, 0);
1407 pr_out_section_start(dl
, "port");
1408 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_port_show_cb
, dl
);
1409 pr_out_section_end(dl
);
1413 static int cmd_port_set(struct dl
*dl
)
1415 struct nlmsghdr
*nlh
;
1418 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_SET
,
1419 NLM_F_REQUEST
| NLM_F_ACK
);
1421 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_PORT_TYPE
, 0);
1425 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1428 static int cmd_port_split(struct dl
*dl
)
1430 struct nlmsghdr
*nlh
;
1433 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_SPLIT
,
1434 NLM_F_REQUEST
| NLM_F_ACK
);
1436 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_PORT_COUNT
, 0);
1440 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1443 static int cmd_port_unsplit(struct dl
*dl
)
1445 struct nlmsghdr
*nlh
;
1448 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_UNSPLIT
,
1449 NLM_F_REQUEST
| NLM_F_ACK
);
1451 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
, 0);
1455 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1458 static int cmd_port(struct dl
*dl
)
1460 if (dl_argv_match(dl
, "help")) {
1463 } else if (dl_argv_match(dl
, "show") ||
1464 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1466 return cmd_port_show(dl
);
1467 } else if (dl_argv_match(dl
, "set")) {
1469 return cmd_port_set(dl
);
1470 } else if (dl_argv_match(dl
, "split")) {
1472 return cmd_port_split(dl
);
1473 } else if (dl_argv_match(dl
, "unsplit")) {
1475 return cmd_port_unsplit(dl
);
1477 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1481 static void cmd_sb_help(void)
1483 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
1484 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
1485 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
1486 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
1487 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
1488 pr_err(" pool POOL_INDEX ]\n");
1489 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
1490 pr_err(" pool POOL_INDEX th THRESHOLD\n");
1491 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
1492 pr_err(" type { ingress | egress } ]\n");
1493 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
1494 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
1495 pr_err(" th THRESHOLD\n");
1496 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
1497 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
1498 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
1501 static void pr_out_sb(struct dl
*dl
, struct nlattr
**tb
)
1503 pr_out_handle_start_arr(dl
, tb
);
1504 pr_out_uint(dl
, "sb",
1505 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1506 pr_out_uint(dl
, "size",
1507 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_SIZE
]));
1508 pr_out_uint(dl
, "ing_pools",
1509 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT
]));
1510 pr_out_uint(dl
, "eg_pools",
1511 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT
]));
1512 pr_out_uint(dl
, "ing_tcs",
1513 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_INGRESS_TC_COUNT
]));
1514 pr_out_uint(dl
, "eg_tcs",
1515 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_EGRESS_TC_COUNT
]));
1516 pr_out_handle_end(dl
);
1519 static int cmd_sb_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1521 struct dl
*dl
= data
;
1522 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1523 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1525 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1526 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1527 !tb
[DEVLINK_ATTR_SB_INDEX
] || !tb
[DEVLINK_ATTR_SB_SIZE
] ||
1528 !tb
[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT
] ||
1529 !tb
[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT
] ||
1530 !tb
[DEVLINK_ATTR_SB_INGRESS_TC_COUNT
] ||
1531 !tb
[DEVLINK_ATTR_SB_EGRESS_TC_COUNT
])
1532 return MNL_CB_ERROR
;
1537 static int cmd_sb_show(struct dl
*dl
)
1539 struct nlmsghdr
*nlh
;
1540 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1543 if (dl_argc(dl
) == 0)
1544 flags
|= NLM_F_DUMP
;
1546 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_GET
, flags
);
1548 if (dl_argc(dl
) > 0) {
1549 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, DL_OPT_SB
);
1554 pr_out_section_start(dl
, "sb");
1555 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_show_cb
, dl
);
1556 pr_out_section_end(dl
);
1560 static const char *pool_type_name(uint8_t type
)
1563 case DEVLINK_SB_POOL_TYPE_INGRESS
: return "ingress";
1564 case DEVLINK_SB_POOL_TYPE_EGRESS
: return "egress";
1565 default: return "<unknown type>";
1569 static const char *threshold_type_name(uint8_t type
)
1572 case DEVLINK_SB_THRESHOLD_TYPE_STATIC
: return "static";
1573 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC
: return "dynamic";
1574 default: return "<unknown type>";
1578 static void pr_out_sb_pool(struct dl
*dl
, struct nlattr
**tb
)
1580 pr_out_handle_start_arr(dl
, tb
);
1581 pr_out_uint(dl
, "sb",
1582 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1583 pr_out_uint(dl
, "pool",
1584 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]));
1585 pr_out_str(dl
, "type",
1586 pool_type_name(mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_TYPE
])));
1587 pr_out_uint(dl
, "size",
1588 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_POOL_SIZE
]));
1589 pr_out_str(dl
, "thtype",
1590 threshold_type_name(mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
])));
1591 pr_out_handle_end(dl
);
1594 static int cmd_sb_pool_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1596 struct dl
*dl
= data
;
1597 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1598 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1600 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1601 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1602 !tb
[DEVLINK_ATTR_SB_INDEX
] || !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] ||
1603 !tb
[DEVLINK_ATTR_SB_POOL_TYPE
] || !tb
[DEVLINK_ATTR_SB_POOL_SIZE
] ||
1604 !tb
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
])
1605 return MNL_CB_ERROR
;
1606 pr_out_sb_pool(dl
, tb
);
1610 static int cmd_sb_pool_show(struct dl
*dl
)
1612 struct nlmsghdr
*nlh
;
1613 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1616 if (dl_argc(dl
) == 0)
1617 flags
|= NLM_F_DUMP
;
1619 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_POOL_GET
, flags
);
1621 if (dl_argc(dl
) > 0) {
1622 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
| DL_OPT_SB_POOL
,
1628 pr_out_section_start(dl
, "pool");
1629 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_pool_show_cb
, dl
);
1630 pr_out_section_end(dl
);
1634 static int cmd_sb_pool_set(struct dl
*dl
)
1636 struct nlmsghdr
*nlh
;
1639 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_POOL_SET
,
1640 NLM_F_REQUEST
| NLM_F_ACK
);
1642 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
| DL_OPT_SB_POOL
|
1643 DL_OPT_SB_SIZE
| DL_OPT_SB_THTYPE
, DL_OPT_SB
);
1647 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1650 static int cmd_sb_pool(struct dl
*dl
)
1652 if (dl_argv_match(dl
, "help")) {
1655 } else if (dl_argv_match(dl
, "show") ||
1656 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1658 return cmd_sb_pool_show(dl
);
1659 } else if (dl_argv_match(dl
, "set")) {
1661 return cmd_sb_pool_set(dl
);
1663 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1667 static void pr_out_sb_port_pool(struct dl
*dl
, struct nlattr
**tb
)
1669 pr_out_port_handle_start_arr(dl
, tb
, true);
1670 pr_out_uint(dl
, "sb",
1671 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1672 pr_out_uint(dl
, "pool",
1673 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]));
1674 pr_out_uint(dl
, "threshold",
1675 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_THRESHOLD
]));
1676 pr_out_port_handle_end(dl
);
1679 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1681 struct dl
*dl
= data
;
1682 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1683 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1685 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1686 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1687 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
1688 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] || !tb
[DEVLINK_ATTR_SB_THRESHOLD
])
1689 return MNL_CB_ERROR
;
1690 pr_out_sb_port_pool(dl
, tb
);
1694 static int cmd_sb_port_pool_show(struct dl
*dl
)
1696 struct nlmsghdr
*nlh
;
1697 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1700 if (dl_argc(dl
) == 0)
1701 flags
|= NLM_F_DUMP
;
1703 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_PORT_POOL_GET
, flags
);
1705 if (dl_argc(dl
) > 0) {
1706 err
= dl_argv_parse_put(nlh
, dl
,
1707 DL_OPT_HANDLEP
| DL_OPT_SB_POOL
,
1713 pr_out_section_start(dl
, "port_pool");
1714 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_port_pool_show_cb
, dl
);
1715 pr_out_section_end(dl
);
1719 static int cmd_sb_port_pool_set(struct dl
*dl
)
1721 struct nlmsghdr
*nlh
;
1724 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_PORT_POOL_SET
,
1725 NLM_F_REQUEST
| NLM_F_ACK
);
1727 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_SB_POOL
|
1728 DL_OPT_SB_TH
, DL_OPT_SB
);
1732 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1735 static int cmd_sb_port_pool(struct dl
*dl
)
1737 if (dl_argv_match(dl
, "help")) {
1740 } else if (dl_argv_match(dl
, "show") ||
1741 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1743 return cmd_sb_port_pool_show(dl
);
1744 } else if (dl_argv_match(dl
, "set")) {
1746 return cmd_sb_port_pool_set(dl
);
1748 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1752 static int cmd_sb_port(struct dl
*dl
)
1754 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
1757 } else if (dl_argv_match(dl
, "pool")) {
1759 return cmd_sb_port_pool(dl
);
1761 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1765 static void pr_out_sb_tc_bind(struct dl
*dl
, struct nlattr
**tb
)
1767 pr_out_port_handle_start_arr(dl
, tb
, true);
1768 pr_out_uint(dl
, "sb",
1769 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1770 pr_out_uint(dl
, "tc",
1771 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_TC_INDEX
]));
1772 pr_out_str(dl
, "type",
1773 pool_type_name(mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_TYPE
])));
1774 pr_out_uint(dl
, "pool",
1775 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]));
1776 pr_out_uint(dl
, "threshold",
1777 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_THRESHOLD
]));
1778 pr_out_port_handle_end(dl
);
1781 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1783 struct dl
*dl
= data
;
1784 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1785 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1787 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1788 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1789 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
1790 !tb
[DEVLINK_ATTR_SB_TC_INDEX
] || !tb
[DEVLINK_ATTR_SB_POOL_TYPE
] ||
1791 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] || !tb
[DEVLINK_ATTR_SB_THRESHOLD
])
1792 return MNL_CB_ERROR
;
1793 pr_out_sb_tc_bind(dl
, tb
);
1797 static int cmd_sb_tc_bind_show(struct dl
*dl
)
1799 struct nlmsghdr
*nlh
;
1800 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1803 if (dl_argc(dl
) == 0)
1804 flags
|= NLM_F_DUMP
;
1806 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_TC_POOL_BIND_GET
, flags
);
1808 if (dl_argc(dl
) > 0) {
1809 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_SB_TC
|
1810 DL_OPT_SB_TYPE
, DL_OPT_SB
);
1815 pr_out_section_start(dl
, "tc_bind");
1816 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_tc_bind_show_cb
, dl
);
1817 pr_out_section_end(dl
);
1821 static int cmd_sb_tc_bind_set(struct dl
*dl
)
1823 struct nlmsghdr
*nlh
;
1826 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_TC_POOL_BIND_SET
,
1827 NLM_F_REQUEST
| NLM_F_ACK
);
1829 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_SB_TC
|
1830 DL_OPT_SB_TYPE
| DL_OPT_SB_POOL
| DL_OPT_SB_TH
,
1835 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1838 static int cmd_sb_tc_bind(struct dl
*dl
)
1840 if (dl_argv_match(dl
, "help")) {
1843 } else if (dl_argv_match(dl
, "show") ||
1844 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1846 return cmd_sb_tc_bind_show(dl
);
1847 } else if (dl_argv_match(dl
, "set")) {
1849 return cmd_sb_tc_bind_set(dl
);
1851 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1855 static int cmd_sb_tc(struct dl
*dl
)
1857 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
1860 } else if (dl_argv_match(dl
, "bind")) {
1862 return cmd_sb_tc_bind(dl
);
1864 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1869 struct list_head list
;
1873 uint32_t bound_pool_index
;
1877 struct list_head list
;
1880 uint32_t port_index
;
1882 struct list_head pool_list
;
1883 struct list_head ing_tc_list
;
1884 struct list_head eg_tc_list
;
1890 struct list_head port_list
;
1893 static struct occ_item
*occ_item_alloc(void)
1895 return calloc(1, sizeof(struct occ_item
));
1898 static void occ_item_free(struct occ_item
*occ_item
)
1903 static struct occ_port
*occ_port_alloc(uint32_t port_index
)
1905 struct occ_port
*occ_port
;
1907 occ_port
= calloc(1, sizeof(*occ_port
));
1910 occ_port
->port_index
= port_index
;
1911 INIT_LIST_HEAD(&occ_port
->pool_list
);
1912 INIT_LIST_HEAD(&occ_port
->ing_tc_list
);
1913 INIT_LIST_HEAD(&occ_port
->eg_tc_list
);
1917 static void occ_port_free(struct occ_port
*occ_port
)
1919 struct occ_item
*occ_item
, *tmp
;
1921 list_for_each_entry_safe(occ_item
, tmp
, &occ_port
->pool_list
, list
)
1922 occ_item_free(occ_item
);
1923 list_for_each_entry_safe(occ_item
, tmp
, &occ_port
->ing_tc_list
, list
)
1924 occ_item_free(occ_item
);
1925 list_for_each_entry_safe(occ_item
, tmp
, &occ_port
->eg_tc_list
, list
)
1926 occ_item_free(occ_item
);
1929 static struct occ_show
*occ_show_alloc(struct dl
*dl
)
1931 struct occ_show
*occ_show
;
1933 occ_show
= calloc(1, sizeof(*occ_show
));
1937 INIT_LIST_HEAD(&occ_show
->port_list
);
1941 static void occ_show_free(struct occ_show
*occ_show
)
1943 struct occ_port
*occ_port
, *tmp
;
1945 list_for_each_entry_safe(occ_port
, tmp
, &occ_show
->port_list
, list
)
1946 occ_port_free(occ_port
);
1949 static struct occ_port
*occ_port_get(struct occ_show
*occ_show
,
1952 struct occ_port
*occ_port
;
1953 uint32_t port_index
;
1955 port_index
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
1957 list_for_each_entry_reverse(occ_port
, &occ_show
->port_list
, list
) {
1958 if (occ_port
->port_index
== port_index
)
1961 occ_port
= occ_port_alloc(port_index
);
1964 list_add_tail(&occ_port
->list
, &occ_show
->port_list
);
1968 static void pr_out_occ_show_item_list(const char *label
, struct list_head
*list
,
1971 struct occ_item
*occ_item
;
1974 pr_out_sp(7, " %s:", label
);
1975 list_for_each_entry(occ_item
, list
, list
) {
1976 if ((i
- 1) % 4 == 0 && i
!= 1)
1979 pr_out_sp(7, "%2u(%u):", occ_item
->index
,
1980 occ_item
->bound_pool_index
);
1982 pr_out_sp(7, "%2u:", occ_item
->index
);
1983 pr_out_sp(15, "%7u/%u", occ_item
->cur
, occ_item
->max
);
1987 if ((i
- 1) % 4 != 0)
1991 static void pr_out_json_occ_show_item_list(struct dl
*dl
, const char *label
,
1992 struct list_head
*list
,
1995 struct occ_item
*occ_item
;
1998 jsonw_name(dl
->jw
, label
);
1999 jsonw_start_object(dl
->jw
);
2000 list_for_each_entry(occ_item
, list
, list
) {
2001 sprintf(buf
, "%u", occ_item
->index
);
2002 jsonw_name(dl
->jw
, buf
);
2003 jsonw_start_object(dl
->jw
);
2005 jsonw_uint_field(dl
->jw
, "bound_pool",
2006 occ_item
->bound_pool_index
);
2007 jsonw_uint_field(dl
->jw
, "current", occ_item
->cur
);
2008 jsonw_uint_field(dl
->jw
, "max", occ_item
->max
);
2009 jsonw_end_object(dl
->jw
);
2011 jsonw_end_object(dl
->jw
);
2014 static void pr_out_occ_show_port(struct dl
*dl
, struct occ_port
*occ_port
)
2016 if (dl
->json_output
) {
2017 pr_out_json_occ_show_item_list(dl
, "pool",
2018 &occ_port
->pool_list
, false);
2019 pr_out_json_occ_show_item_list(dl
, "itc",
2020 &occ_port
->ing_tc_list
, true);
2021 pr_out_json_occ_show_item_list(dl
, "etc",
2022 &occ_port
->eg_tc_list
, true);
2025 pr_out_occ_show_item_list("pool", &occ_port
->pool_list
, false);
2026 pr_out_occ_show_item_list("itc", &occ_port
->ing_tc_list
, true);
2027 pr_out_occ_show_item_list("etc", &occ_port
->eg_tc_list
, true);
2031 static void pr_out_occ_show(struct occ_show
*occ_show
)
2033 struct dl
*dl
= occ_show
->dl
;
2034 struct dl_opts
*opts
= &dl
->opts
;
2035 struct occ_port
*occ_port
;
2037 list_for_each_entry(occ_port
, &occ_show
->port_list
, list
) {
2038 __pr_out_port_handle_start(dl
, opts
->bus_name
, opts
->dev_name
,
2039 occ_port
->port_index
, true, false);
2040 pr_out_occ_show_port(dl
, occ_port
);
2041 pr_out_port_handle_end(dl
);
2045 static void cmd_sb_occ_port_pool_process(struct occ_show
*occ_show
,
2048 struct occ_port
*occ_port
;
2049 struct occ_item
*occ_item
;
2051 if (occ_show
->err
|| !dl_dump_filter(occ_show
->dl
, tb
))
2054 occ_port
= occ_port_get(occ_show
, tb
);
2056 occ_show
->err
= -ENOMEM
;
2060 occ_item
= occ_item_alloc();
2062 occ_show
->err
= -ENOMEM
;
2065 occ_item
->index
= mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]);
2066 occ_item
->cur
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_CUR
]);
2067 occ_item
->max
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_MAX
]);
2068 list_add_tail(&occ_item
->list
, &occ_port
->pool_list
);
2071 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr
*nlh
, void *data
)
2073 struct occ_show
*occ_show
= data
;
2074 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
2075 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
2077 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2078 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
2079 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
2080 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] ||
2081 !tb
[DEVLINK_ATTR_SB_OCC_CUR
] || !tb
[DEVLINK_ATTR_SB_OCC_MAX
])
2082 return MNL_CB_ERROR
;
2083 cmd_sb_occ_port_pool_process(occ_show
, tb
);
2087 static void cmd_sb_occ_tc_pool_process(struct occ_show
*occ_show
,
2090 struct occ_port
*occ_port
;
2091 struct occ_item
*occ_item
;
2094 if (occ_show
->err
|| !dl_dump_filter(occ_show
->dl
, tb
))
2097 occ_port
= occ_port_get(occ_show
, tb
);
2099 occ_show
->err
= -ENOMEM
;
2103 occ_item
= occ_item_alloc();
2105 occ_show
->err
= -ENOMEM
;
2108 occ_item
->index
= mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_TC_INDEX
]);
2109 occ_item
->cur
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_CUR
]);
2110 occ_item
->max
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_MAX
]);
2111 occ_item
->bound_pool_index
=
2112 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]);
2113 pool_type
= mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_TYPE
]);
2114 if (pool_type
== DEVLINK_SB_POOL_TYPE_INGRESS
)
2115 list_add_tail(&occ_item
->list
, &occ_port
->ing_tc_list
);
2116 else if (pool_type
== DEVLINK_SB_POOL_TYPE_EGRESS
)
2117 list_add_tail(&occ_item
->list
, &occ_port
->eg_tc_list
);
2119 occ_item_free(occ_item
);
2122 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr
*nlh
, void *data
)
2124 struct occ_show
*occ_show
= data
;
2125 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
2126 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
2128 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2129 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
2130 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
2131 !tb
[DEVLINK_ATTR_SB_TC_INDEX
] || !tb
[DEVLINK_ATTR_SB_POOL_TYPE
] ||
2132 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] ||
2133 !tb
[DEVLINK_ATTR_SB_OCC_CUR
] || !tb
[DEVLINK_ATTR_SB_OCC_MAX
])
2134 return MNL_CB_ERROR
;
2135 cmd_sb_occ_tc_pool_process(occ_show
, tb
);
2139 static int cmd_sb_occ_show(struct dl
*dl
)
2141 struct nlmsghdr
*nlh
;
2142 struct occ_show
*occ_show
;
2143 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
| NLM_F_DUMP
;
2146 err
= dl_argv_parse(dl
, DL_OPT_HANDLE
| DL_OPT_HANDLEP
, DL_OPT_SB
);
2150 occ_show
= occ_show_alloc(dl
);
2154 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_PORT_POOL_GET
, flags
);
2156 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
,
2157 cmd_sb_occ_port_pool_process_cb
, occ_show
);
2161 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_TC_POOL_BIND_GET
, flags
);
2163 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
,
2164 cmd_sb_occ_tc_pool_process_cb
, occ_show
);
2168 pr_out_section_start(dl
, "occupancy");
2169 pr_out_occ_show(occ_show
);
2170 pr_out_section_end(dl
);
2173 occ_show_free(occ_show
);
2177 static int cmd_sb_occ_snapshot(struct dl
*dl
)
2179 struct nlmsghdr
*nlh
;
2182 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_OCC_SNAPSHOT
,
2183 NLM_F_REQUEST
| NLM_F_ACK
);
2185 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, DL_OPT_SB
);
2189 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
2192 static int cmd_sb_occ_clearmax(struct dl
*dl
)
2194 struct nlmsghdr
*nlh
;
2197 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_OCC_MAX_CLEAR
,
2198 NLM_F_REQUEST
| NLM_F_ACK
);
2200 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, DL_OPT_SB
);
2204 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
2207 static int cmd_sb_occ(struct dl
*dl
)
2209 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
2212 } else if (dl_argv_match(dl
, "show") ||
2213 dl_argv_match(dl
, "list")) {
2215 return cmd_sb_occ_show(dl
);
2216 } else if (dl_argv_match(dl
, "snapshot")) {
2218 return cmd_sb_occ_snapshot(dl
);
2219 } else if (dl_argv_match(dl
, "clearmax")) {
2221 return cmd_sb_occ_clearmax(dl
);
2223 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
2227 static int cmd_sb(struct dl
*dl
)
2229 if (dl_argv_match(dl
, "help")) {
2232 } else if (dl_argv_match(dl
, "show") ||
2233 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
2235 return cmd_sb_show(dl
);
2236 } else if (dl_argv_match(dl
, "pool")) {
2238 return cmd_sb_pool(dl
);
2239 } else if (dl_argv_match(dl
, "port")) {
2241 return cmd_sb_port(dl
);
2242 } else if (dl_argv_match(dl
, "tc")) {
2244 return cmd_sb_tc(dl
);
2245 } else if (dl_argv_match(dl
, "occupancy")) {
2247 return cmd_sb_occ(dl
);
2249 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
2253 static const char *cmd_name(uint8_t cmd
)
2256 case DEVLINK_CMD_UNSPEC
: return "unspec";
2257 case DEVLINK_CMD_GET
: return "get";
2258 case DEVLINK_CMD_SET
: return "set";
2259 case DEVLINK_CMD_NEW
: return "new";
2260 case DEVLINK_CMD_DEL
: return "del";
2261 case DEVLINK_CMD_PORT_GET
: return "get";
2262 case DEVLINK_CMD_PORT_SET
: return "set";
2263 case DEVLINK_CMD_PORT_NEW
: return "net";
2264 case DEVLINK_CMD_PORT_DEL
: return "del";
2265 default: return "<unknown cmd>";
2269 static const char *cmd_obj(uint8_t cmd
)
2272 case DEVLINK_CMD_UNSPEC
: return "unspec";
2273 case DEVLINK_CMD_GET
:
2274 case DEVLINK_CMD_SET
:
2275 case DEVLINK_CMD_NEW
:
2276 case DEVLINK_CMD_DEL
:
2278 case DEVLINK_CMD_PORT_GET
:
2279 case DEVLINK_CMD_PORT_SET
:
2280 case DEVLINK_CMD_PORT_NEW
:
2281 case DEVLINK_CMD_PORT_DEL
:
2283 default: return "<unknown obj>";
2287 static void pr_out_mon_header(uint8_t cmd
)
2289 pr_out("[%s,%s] ", cmd_obj(cmd
), cmd_name(cmd
));
2292 static bool cmd_filter_check(struct dl
*dl
, uint8_t cmd
)
2294 const char *obj
= cmd_obj(cmd
);
2295 unsigned int index
= 0;
2296 const char *cur_obj
;
2300 while ((cur_obj
= dl_argv_index(dl
, index
++))) {
2301 if (strcmp(cur_obj
, obj
) == 0 || strcmp(cur_obj
, "all") == 0)
2307 static int cmd_mon_show_cb(const struct nlmsghdr
*nlh
, void *data
)
2309 struct dl
*dl
= data
;
2310 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
2311 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
2312 uint8_t cmd
= genl
->cmd
;
2314 if (!cmd_filter_check(dl
, cmd
))
2318 case DEVLINK_CMD_GET
: /* fall through */
2319 case DEVLINK_CMD_SET
: /* fall through */
2320 case DEVLINK_CMD_NEW
: /* fall through */
2321 case DEVLINK_CMD_DEL
:
2322 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2323 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
])
2324 return MNL_CB_ERROR
;
2325 pr_out_mon_header(genl
->cmd
);
2328 case DEVLINK_CMD_PORT_GET
: /* fall through */
2329 case DEVLINK_CMD_PORT_SET
: /* fall through */
2330 case DEVLINK_CMD_PORT_NEW
: /* fall through */
2331 case DEVLINK_CMD_PORT_DEL
:
2332 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2333 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
2334 !tb
[DEVLINK_ATTR_PORT_INDEX
])
2335 return MNL_CB_ERROR
;
2336 pr_out_mon_header(genl
->cmd
);
2337 pr_out_port(dl
, tb
);
2343 static int cmd_mon_show(struct dl
*dl
)
2346 unsigned int index
= 0;
2347 const char *cur_obj
;
2349 while ((cur_obj
= dl_argv_index(dl
, index
++))) {
2350 if (strcmp(cur_obj
, "all") != 0 &&
2351 strcmp(cur_obj
, "dev") != 0 &&
2352 strcmp(cur_obj
, "port") != 0) {
2353 pr_err("Unknown object \"%s\"\n", cur_obj
);
2357 err
= _mnlg_socket_group_add(dl
->nlg
, DEVLINK_GENL_MCGRP_CONFIG_NAME
);
2360 err
= _mnlg_socket_recv_run(dl
->nlg
, cmd_mon_show_cb
, dl
);
2366 static void cmd_mon_help(void)
2368 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
2369 "where OBJECT-LIST := { dev | port }\n");
2372 static int cmd_mon(struct dl
*dl
)
2374 if (dl_argv_match(dl
, "help")) {
2377 } else if (dl_no_arg(dl
)) {
2379 return cmd_mon_show(dl
);
2381 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
2385 static void help(void)
2387 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
2388 "where OBJECT := { dev | port | sb | monitor }\n"
2389 " OPTIONS := { -V[ersion] | -n[no-nice-names] }\n");
2392 static int dl_cmd(struct dl
*dl
)
2394 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
2397 } else if (dl_argv_match(dl
, "dev")) {
2400 } else if (dl_argv_match(dl
, "port")) {
2402 return cmd_port(dl
);
2403 } else if (dl_argv_match(dl
, "sb")) {
2406 } else if (dl_argv_match(dl
, "monitor")) {
2410 pr_err("Object \"%s\" not found\n", dl_argv(dl
));
2414 static int dl_init(struct dl
*dl
, int argc
, char **argv
)
2421 dl
->nlg
= mnlg_socket_open(DEVLINK_GENL_NAME
, DEVLINK_GENL_VERSION
);
2423 pr_err("Failed to connect to devlink Netlink\n");
2427 err
= ifname_map_init(dl
);
2429 pr_err("Failed to create index map\n");
2430 goto err_ifname_map_create
;
2432 if (dl
->json_output
) {
2433 dl
->jw
= jsonw_new(stdout
);
2435 pr_err("Failed to create JSON writer\n");
2438 jsonw_pretty(dl
->jw
, dl
->pretty_output
);
2443 ifname_map_fini(dl
);
2444 err_ifname_map_create
:
2445 mnlg_socket_close(dl
->nlg
);
2449 static void dl_fini(struct dl
*dl
)
2451 if (dl
->json_output
)
2452 jsonw_destroy(&dl
->jw
);
2453 ifname_map_fini(dl
);
2454 mnlg_socket_close(dl
->nlg
);
2457 static struct dl
*dl_alloc(void)
2461 dl
= calloc(1, sizeof(*dl
));
2467 static void dl_free(struct dl
*dl
)
2472 int main(int argc
, char **argv
)
2474 static const struct option long_options
[] = {
2475 { "Version", no_argument
, NULL
, 'V' },
2476 { "no-nice-names", no_argument
, NULL
, 'n' },
2477 { "json", no_argument
, NULL
, 'j' },
2478 { "pretty", no_argument
, NULL
, 'p' },
2479 { NULL
, 0, NULL
, 0 }
2488 pr_err("Failed to allocate memory for devlink\n");
2489 return EXIT_FAILURE
;
2492 while ((opt
= getopt_long(argc
, argv
, "Vnjp",
2493 long_options
, NULL
)) >= 0) {
2497 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT
);
2498 return EXIT_SUCCESS
;
2500 dl
->no_nice_names
= true;
2503 dl
->json_output
= true;
2506 dl
->pretty_output
= true;
2509 pr_err("Unknown option.\n");
2511 return EXIT_FAILURE
;
2518 err
= dl_init(dl
, argc
, argv
);