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 switch (slash_count
) {
529 return __dl_argv_handle_port_ifname(dl
, str
, p_bus_name
,
530 p_dev_name
, p_port_index
);
532 return __dl_argv_handle_port(str
, p_bus_name
,
533 p_dev_name
, p_port_index
);
535 pr_err("Wrong port identification string format.\n");
536 pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
541 static int dl_argv_handle_both(struct dl
*dl
, char **p_bus_name
,
542 char **p_dev_name
, uint32_t *p_port_index
,
543 uint32_t *p_handle_bit
)
545 char *str
= dl_argv_next(dl
);
546 unsigned int slash_count
;
550 pr_err("One of following identifications expected:\n"
551 "Devlink identification (\"bus_name/dev_name\")\n"
552 "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
555 slash_count
= strslashcount(str
);
556 if (slash_count
== 1) {
557 err
= __dl_argv_handle(str
, p_bus_name
, p_dev_name
);
560 *p_handle_bit
= DL_OPT_HANDLE
;
561 } else if (slash_count
== 2) {
562 err
= __dl_argv_handle_port(str
, p_bus_name
,
563 p_dev_name
, p_port_index
);
566 *p_handle_bit
= DL_OPT_HANDLEP
;
567 } else if (slash_count
== 0) {
568 err
= __dl_argv_handle_port_ifname(dl
, str
, p_bus_name
,
569 p_dev_name
, p_port_index
);
572 *p_handle_bit
= DL_OPT_HANDLEP
;
574 pr_err("Wrong port identification string format.\n");
575 pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
581 static int dl_argv_uint32_t(struct dl
*dl
, uint32_t *p_val
)
583 char *str
= dl_argv_next(dl
);
587 pr_err("Unsigned number argument expected\n");
591 err
= strtouint32_t(str
, p_val
);
593 pr_err("\"%s\" is not a number or not within range\n", str
);
599 static int dl_argv_uint16_t(struct dl
*dl
, uint16_t *p_val
)
601 char *str
= dl_argv_next(dl
);
605 pr_err("Unsigned number argument expected\n");
609 err
= strtouint16_t(str
, p_val
);
611 pr_err("\"%s\" is not a number or not within range\n", str
);
617 static int dl_argv_str(struct dl
*dl
, const char **p_str
)
619 const char *str
= dl_argv_next(dl
);
622 pr_err("String parameter expected\n");
629 static int port_type_get(const char *typestr
, enum devlink_port_type
*p_type
)
631 if (strcmp(typestr
, "auto") == 0) {
632 *p_type
= DEVLINK_PORT_TYPE_AUTO
;
633 } else if (strcmp(typestr
, "eth") == 0) {
634 *p_type
= DEVLINK_PORT_TYPE_ETH
;
635 } else if (strcmp(typestr
, "ib") == 0) {
636 *p_type
= DEVLINK_PORT_TYPE_IB
;
638 pr_err("Unknown port type \"%s\"\n", typestr
);
644 static int pool_type_get(const char *typestr
, enum devlink_sb_pool_type
*p_type
)
646 if (strcmp(typestr
, "ingress") == 0) {
647 *p_type
= DEVLINK_SB_POOL_TYPE_INGRESS
;
648 } else if (strcmp(typestr
, "egress") == 0) {
649 *p_type
= DEVLINK_SB_POOL_TYPE_EGRESS
;
651 pr_err("Unknown pool type \"%s\"\n", typestr
);
657 static int threshold_type_get(const char *typestr
,
658 enum devlink_sb_threshold_type
*p_type
)
660 if (strcmp(typestr
, "static") == 0) {
661 *p_type
= DEVLINK_SB_THRESHOLD_TYPE_STATIC
;
662 } else if (strcmp(typestr
, "dynamic") == 0) {
663 *p_type
= DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC
;
665 pr_err("Unknown threshold type \"%s\"\n", typestr
);
671 static int eswitch_mode_get(const char *typestr
,
672 enum devlink_eswitch_mode
*p_mode
)
674 if (strcmp(typestr
, ESWITCH_MODE_LEGACY
) == 0) {
675 *p_mode
= DEVLINK_ESWITCH_MODE_LEGACY
;
676 } else if (strcmp(typestr
, ESWITCH_MODE_SWITCHDEV
) == 0) {
677 *p_mode
= DEVLINK_ESWITCH_MODE_SWITCHDEV
;
679 pr_err("Unknown eswitch mode \"%s\"\n", typestr
);
685 static int dl_argv_parse(struct dl
*dl
, uint32_t o_required
,
688 struct dl_opts
*opts
= &dl
->opts
;
689 uint32_t o_all
= o_required
| o_optional
;
690 uint32_t o_found
= 0;
693 if (o_required
& DL_OPT_HANDLE
&& o_required
& DL_OPT_HANDLEP
) {
694 uint32_t handle_bit
= handle_bit
;
696 err
= dl_argv_handle_both(dl
, &opts
->bus_name
, &opts
->dev_name
,
697 &opts
->port_index
, &handle_bit
);
700 o_found
|= handle_bit
;
701 } else if (o_required
& DL_OPT_HANDLE
) {
702 err
= dl_argv_handle(dl
, &opts
->bus_name
, &opts
->dev_name
);
705 o_found
|= DL_OPT_HANDLE
;
706 } else if (o_required
& DL_OPT_HANDLEP
) {
707 err
= dl_argv_handle_port(dl
, &opts
->bus_name
, &opts
->dev_name
,
711 o_found
|= DL_OPT_HANDLEP
;
714 while (dl_argc(dl
)) {
715 if (dl_argv_match(dl
, "type") &&
716 (o_all
& DL_OPT_PORT_TYPE
)) {
720 err
= dl_argv_str(dl
, &typestr
);
723 err
= port_type_get(typestr
, &opts
->port_type
);
726 o_found
|= DL_OPT_PORT_TYPE
;
727 } else if (dl_argv_match(dl
, "count") &&
728 (o_all
& DL_OPT_PORT_COUNT
)) {
730 err
= dl_argv_uint32_t(dl
, &opts
->port_count
);
733 o_found
|= DL_OPT_PORT_COUNT
;
734 } else if (dl_argv_match(dl
, "sb") &&
735 (o_all
& DL_OPT_SB
)) {
737 err
= dl_argv_uint32_t(dl
, &opts
->sb_index
);
740 o_found
|= DL_OPT_SB
;
741 } else if (dl_argv_match(dl
, "pool") &&
742 (o_all
& DL_OPT_SB_POOL
)) {
744 err
= dl_argv_uint16_t(dl
, &opts
->sb_pool_index
);
747 o_found
|= DL_OPT_SB_POOL
;
748 } else if (dl_argv_match(dl
, "size") &&
749 (o_all
& DL_OPT_SB_SIZE
)) {
751 err
= dl_argv_uint32_t(dl
, &opts
->sb_pool_size
);
754 o_found
|= DL_OPT_SB_SIZE
;
755 } else if (dl_argv_match(dl
, "type") &&
756 (o_all
& DL_OPT_SB_TYPE
)) {
760 err
= dl_argv_str(dl
, &typestr
);
763 err
= pool_type_get(typestr
, &opts
->sb_pool_type
);
766 o_found
|= DL_OPT_SB_TYPE
;
767 } else if (dl_argv_match(dl
, "thtype") &&
768 (o_all
& DL_OPT_SB_THTYPE
)) {
772 err
= dl_argv_str(dl
, &typestr
);
775 err
= threshold_type_get(typestr
,
776 &opts
->sb_pool_thtype
);
779 o_found
|= DL_OPT_SB_THTYPE
;
780 } else if (dl_argv_match(dl
, "th") &&
781 (o_all
& DL_OPT_SB_TH
)) {
783 err
= dl_argv_uint32_t(dl
, &opts
->sb_threshold
);
786 o_found
|= DL_OPT_SB_TH
;
787 } else if (dl_argv_match(dl
, "tc") &&
788 (o_all
& DL_OPT_SB_TC
)) {
790 err
= dl_argv_uint16_t(dl
, &opts
->sb_tc_index
);
793 o_found
|= DL_OPT_SB_TC
;
794 } else if (dl_argv_match(dl
, "mode") &&
795 (o_all
& DL_OPT_ESWITCH_MODE
)) {
799 err
= dl_argv_str(dl
, &typestr
);
802 err
= eswitch_mode_get(typestr
, &opts
->eswitch_mode
);
805 o_found
|= DL_OPT_ESWITCH_MODE
;
807 pr_err("Unknown option \"%s\"\n", dl_argv(dl
));
812 opts
->present
= o_found
;
814 if ((o_optional
& DL_OPT_SB
) && !(o_found
& DL_OPT_SB
)) {
816 opts
->present
|= DL_OPT_SB
;
819 if ((o_required
& DL_OPT_PORT_TYPE
) && !(o_found
& DL_OPT_PORT_TYPE
)) {
820 pr_err("Port type option expected.\n");
824 if ((o_required
& DL_OPT_PORT_COUNT
) &&
825 !(o_found
& DL_OPT_PORT_COUNT
)) {
826 pr_err("Port split count option expected.\n");
830 if ((o_required
& DL_OPT_SB_POOL
) && !(o_found
& DL_OPT_SB_POOL
)) {
831 pr_err("Pool index option expected.\n");
835 if ((o_required
& DL_OPT_SB_SIZE
) && !(o_found
& DL_OPT_SB_SIZE
)) {
836 pr_err("Pool size option expected.\n");
840 if ((o_required
& DL_OPT_SB_TYPE
) && !(o_found
& DL_OPT_SB_TYPE
)) {
841 pr_err("Pool type option expected.\n");
845 if ((o_required
& DL_OPT_SB_THTYPE
) && !(o_found
& DL_OPT_SB_THTYPE
)) {
846 pr_err("Pool threshold type option expected.\n");
850 if ((o_required
& DL_OPT_SB_TH
) && !(o_found
& DL_OPT_SB_TH
)) {
851 pr_err("Threshold option expected.\n");
855 if ((o_required
& DL_OPT_SB_TC
) && !(o_found
& DL_OPT_SB_TC
)) {
856 pr_err("TC index option expected.\n");
860 if ((o_required
& DL_OPT_ESWITCH_MODE
) &&
861 !(o_found
& DL_OPT_ESWITCH_MODE
)) {
862 pr_err("E-Switch mode option expected.\n");
869 static void dl_opts_put(struct nlmsghdr
*nlh
, struct dl
*dl
)
871 struct dl_opts
*opts
= &dl
->opts
;
873 if (opts
->present
& DL_OPT_HANDLE
) {
874 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_BUS_NAME
, opts
->bus_name
);
875 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_DEV_NAME
, opts
->dev_name
);
876 } else if (opts
->present
& DL_OPT_HANDLEP
) {
877 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_BUS_NAME
, opts
->bus_name
);
878 mnl_attr_put_strz(nlh
, DEVLINK_ATTR_DEV_NAME
, opts
->dev_name
);
879 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_PORT_INDEX
,
882 if (opts
->present
& DL_OPT_PORT_TYPE
)
883 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_PORT_TYPE
,
885 if (opts
->present
& DL_OPT_PORT_COUNT
)
886 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_PORT_SPLIT_COUNT
,
888 if (opts
->present
& DL_OPT_SB
)
889 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_SB_INDEX
,
891 if (opts
->present
& DL_OPT_SB_POOL
)
892 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_SB_POOL_INDEX
,
893 opts
->sb_pool_index
);
894 if (opts
->present
& DL_OPT_SB_SIZE
)
895 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_SB_POOL_SIZE
,
897 if (opts
->present
& DL_OPT_SB_TYPE
)
898 mnl_attr_put_u8(nlh
, DEVLINK_ATTR_SB_POOL_TYPE
,
900 if (opts
->present
& DL_OPT_SB_THTYPE
)
901 mnl_attr_put_u8(nlh
, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
,
902 opts
->sb_pool_thtype
);
903 if (opts
->present
& DL_OPT_SB_TH
)
904 mnl_attr_put_u32(nlh
, DEVLINK_ATTR_SB_THRESHOLD
,
906 if (opts
->present
& DL_OPT_SB_TC
)
907 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_SB_TC_INDEX
,
909 if (opts
->present
& DL_OPT_ESWITCH_MODE
)
910 mnl_attr_put_u16(nlh
, DEVLINK_ATTR_ESWITCH_MODE
,
914 static int dl_argv_parse_put(struct nlmsghdr
*nlh
, struct dl
*dl
,
915 uint32_t o_required
, uint32_t o_optional
)
919 err
= dl_argv_parse(dl
, o_required
, o_optional
);
922 dl_opts_put(nlh
, dl
);
926 static bool dl_dump_filter(struct dl
*dl
, struct nlattr
**tb
)
928 struct dl_opts
*opts
= &dl
->opts
;
929 struct nlattr
*attr_bus_name
= tb
[DEVLINK_ATTR_BUS_NAME
];
930 struct nlattr
*attr_dev_name
= tb
[DEVLINK_ATTR_DEV_NAME
];
931 struct nlattr
*attr_port_index
= tb
[DEVLINK_ATTR_PORT_INDEX
];
932 struct nlattr
*attr_sb_index
= tb
[DEVLINK_ATTR_SB_INDEX
];
934 if (opts
->present
& DL_OPT_HANDLE
&&
935 attr_bus_name
&& attr_dev_name
) {
936 const char *bus_name
= mnl_attr_get_str(attr_bus_name
);
937 const char *dev_name
= mnl_attr_get_str(attr_dev_name
);
939 if (strcmp(bus_name
, opts
->bus_name
) != 0 ||
940 strcmp(dev_name
, opts
->dev_name
) != 0)
943 if (opts
->present
& DL_OPT_HANDLEP
&&
944 attr_bus_name
&& attr_dev_name
&& attr_port_index
) {
945 const char *bus_name
= mnl_attr_get_str(attr_bus_name
);
946 const char *dev_name
= mnl_attr_get_str(attr_dev_name
);
947 uint32_t port_index
= mnl_attr_get_u32(attr_port_index
);
949 if (strcmp(bus_name
, opts
->bus_name
) != 0 ||
950 strcmp(dev_name
, opts
->dev_name
) != 0 ||
951 port_index
!= opts
->port_index
)
954 if (opts
->present
& DL_OPT_SB
&& attr_sb_index
) {
955 uint32_t sb_index
= mnl_attr_get_u32(attr_sb_index
);
957 if (sb_index
!= opts
->sb_index
)
963 static void cmd_dev_help(void)
965 pr_err("Usage: devlink dev show [ DEV ]\n");
968 static bool cmp_arr_last_handle(struct dl
*dl
, const char *bus_name
,
969 const char *dev_name
)
971 if (!dl
->arr_last
.present
)
973 return strcmp(dl
->arr_last
.bus_name
, bus_name
) == 0 &&
974 strcmp(dl
->arr_last
.dev_name
, dev_name
) == 0;
977 static void arr_last_handle_set(struct dl
*dl
, const char *bus_name
,
978 const char *dev_name
)
980 dl
->arr_last
.present
= true;
981 free(dl
->arr_last
.dev_name
);
982 free(dl
->arr_last
.bus_name
);
983 dl
->arr_last
.bus_name
= strdup(bus_name
);
984 dl
->arr_last
.dev_name
= strdup(dev_name
);
987 static bool should_arr_last_handle_start(struct dl
*dl
, const char *bus_name
,
988 const char *dev_name
)
990 return !cmp_arr_last_handle(dl
, bus_name
, dev_name
);
993 static bool should_arr_last_handle_end(struct dl
*dl
, const char *bus_name
,
994 const char *dev_name
)
996 return dl
->arr_last
.present
&&
997 !cmp_arr_last_handle(dl
, bus_name
, dev_name
);
1000 static void __pr_out_handle_start(struct dl
*dl
, struct nlattr
**tb
,
1001 bool content
, bool array
)
1003 const char *bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
1004 const char *dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
1007 sprintf(buf
, "%s/%s", bus_name
, dev_name
);
1009 if (dl
->json_output
) {
1011 if (should_arr_last_handle_end(dl
, bus_name
, dev_name
))
1012 jsonw_end_array(dl
->jw
);
1013 if (should_arr_last_handle_start(dl
, bus_name
,
1015 jsonw_name(dl
->jw
, buf
);
1016 jsonw_start_array(dl
->jw
);
1017 jsonw_start_object(dl
->jw
);
1018 arr_last_handle_set(dl
, bus_name
, dev_name
);
1020 jsonw_start_object(dl
->jw
);
1023 jsonw_name(dl
->jw
, buf
);
1024 jsonw_start_object(dl
->jw
);
1027 pr_out("%s%s", buf
, content
? ":" : "");
1031 static void pr_out_handle_start_arr(struct dl
*dl
, struct nlattr
**tb
)
1033 __pr_out_handle_start(dl
, tb
, true, true);
1036 static void pr_out_handle_end(struct dl
*dl
)
1038 if (dl
->json_output
)
1039 jsonw_end_object(dl
->jw
);
1044 static void pr_out_handle(struct dl
*dl
, struct nlattr
**tb
)
1046 __pr_out_handle_start(dl
, tb
, false, false);
1047 pr_out_handle_end(dl
);
1050 static bool cmp_arr_last_port_handle(struct dl
*dl
, const char *bus_name
,
1051 const char *dev_name
, uint32_t port_index
)
1053 return cmp_arr_last_handle(dl
, bus_name
, dev_name
) &&
1054 dl
->arr_last
.port_index
== port_index
;
1057 static void arr_last_port_handle_set(struct dl
*dl
, const char *bus_name
,
1058 const char *dev_name
, uint32_t port_index
)
1060 arr_last_handle_set(dl
, bus_name
, dev_name
);
1061 dl
->arr_last
.port_index
= port_index
;
1064 static bool should_arr_last_port_handle_start(struct dl
*dl
,
1065 const char *bus_name
,
1066 const char *dev_name
,
1067 uint32_t port_index
)
1069 return !cmp_arr_last_port_handle(dl
, bus_name
, dev_name
, port_index
);
1072 static bool should_arr_last_port_handle_end(struct dl
*dl
,
1073 const char *bus_name
,
1074 const char *dev_name
,
1075 uint32_t port_index
)
1077 return dl
->arr_last
.present
&&
1078 !cmp_arr_last_port_handle(dl
, bus_name
, dev_name
, port_index
);
1081 static void __pr_out_port_handle_start(struct dl
*dl
, const char *bus_name
,
1082 const char *dev_name
,
1083 uint32_t port_index
, bool try_nice
,
1086 static char buf
[32];
1087 char *ifname
= NULL
;
1089 if (dl
->no_nice_names
|| !try_nice
||
1090 ifname_map_rev_lookup(dl
, bus_name
, dev_name
,
1091 port_index
, &ifname
) != 0)
1092 sprintf(buf
, "%s/%s/%d", bus_name
, dev_name
, port_index
);
1094 sprintf(buf
, "%s", ifname
);
1096 if (dl
->json_output
) {
1098 if (should_arr_last_port_handle_end(dl
, bus_name
,
1101 jsonw_end_array(dl
->jw
);
1102 if (should_arr_last_port_handle_start(dl
, bus_name
,
1105 jsonw_name(dl
->jw
, buf
);
1106 jsonw_start_array(dl
->jw
);
1107 jsonw_start_object(dl
->jw
);
1108 arr_last_port_handle_set(dl
, bus_name
, dev_name
,
1111 jsonw_start_object(dl
->jw
);
1114 jsonw_name(dl
->jw
, buf
);
1115 jsonw_start_object(dl
->jw
);
1122 static void pr_out_port_handle_start(struct dl
*dl
, struct nlattr
**tb
, bool try_nice
)
1124 const char *bus_name
;
1125 const char *dev_name
;
1126 uint32_t port_index
;
1128 bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
1129 dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
1130 port_index
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
1131 __pr_out_port_handle_start(dl
, bus_name
, dev_name
, port_index
, try_nice
, false);
1134 static void pr_out_port_handle_start_arr(struct dl
*dl
, struct nlattr
**tb
, bool try_nice
)
1136 const char *bus_name
;
1137 const char *dev_name
;
1138 uint32_t port_index
;
1140 bus_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_BUS_NAME
]);
1141 dev_name
= mnl_attr_get_str(tb
[DEVLINK_ATTR_DEV_NAME
]);
1142 port_index
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
1143 __pr_out_port_handle_start(dl
, bus_name
, dev_name
, port_index
, try_nice
, true);
1146 static void pr_out_port_handle_end(struct dl
*dl
)
1148 if (dl
->json_output
)
1149 jsonw_end_object(dl
->jw
);
1155 static void pr_out_str(struct dl
*dl
, const char *name
, const char *val
)
1157 if (dl
->json_output
)
1158 jsonw_string_field(dl
->jw
, name
, val
);
1160 pr_out(" %s %s", name
, val
);
1163 static void pr_out_uint(struct dl
*dl
, const char *name
, unsigned int val
)
1165 if (dl
->json_output
)
1166 jsonw_uint_field(dl
->jw
, name
, val
);
1168 pr_out(" %s %u", name
, val
);
1171 static void pr_out_dev(struct dl
*dl
, struct nlattr
**tb
)
1173 pr_out_handle(dl
, tb
);
1176 static void pr_out_section_start(struct dl
*dl
, const char *name
)
1178 if (dl
->json_output
) {
1179 jsonw_start_object(dl
->jw
);
1180 jsonw_name(dl
->jw
, name
);
1181 jsonw_start_object(dl
->jw
);
1185 static void pr_out_section_end(struct dl
*dl
)
1187 if (dl
->json_output
) {
1188 if (dl
->arr_last
.present
)
1189 jsonw_end_array(dl
->jw
);
1190 jsonw_end_object(dl
->jw
);
1191 jsonw_end_object(dl
->jw
);
1195 static const char *eswitch_mode_name(uint32_t mode
)
1198 case DEVLINK_ESWITCH_MODE_LEGACY
: return ESWITCH_MODE_LEGACY
;
1199 case DEVLINK_ESWITCH_MODE_SWITCHDEV
: return ESWITCH_MODE_SWITCHDEV
;
1200 default: return "<unknown mode>";
1204 static void pr_out_eswitch(struct dl
*dl
, struct nlattr
**tb
)
1206 __pr_out_handle_start(dl
, tb
, true, false);
1208 if (tb
[DEVLINK_ATTR_ESWITCH_MODE
])
1209 pr_out_str(dl
, "mode",
1210 eswitch_mode_name(mnl_attr_get_u16(tb
[DEVLINK_ATTR_ESWITCH_MODE
])));
1211 pr_out_handle_end(dl
);
1214 static int cmd_dev_eswitch_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1216 struct dl
*dl
= data
;
1217 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1218 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1220 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1221 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
])
1222 return MNL_CB_ERROR
;
1223 pr_out_eswitch(dl
, tb
);
1227 static int cmd_dev_eswitch_show(struct dl
*dl
)
1229 struct nlmsghdr
*nlh
;
1232 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_ESWITCH_MODE_GET
,
1233 NLM_F_REQUEST
| NLM_F_ACK
);
1235 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, 0);
1239 pr_out_section_start(dl
, "dev");
1240 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_dev_eswitch_show_cb
, dl
);
1241 pr_out_section_end(dl
);
1245 static int cmd_dev_eswitch_set(struct dl
*dl
)
1247 struct nlmsghdr
*nlh
;
1250 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_ESWITCH_MODE_SET
,
1251 NLM_F_REQUEST
| NLM_F_ACK
);
1253 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
| DL_OPT_ESWITCH_MODE
, 0);
1257 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1260 static int cmd_dev_eswitch(struct dl
*dl
)
1262 if (dl_argv_match(dl
, "set")) {
1264 return cmd_dev_eswitch_set(dl
);
1265 } else if (dl_argv_match(dl
, "show")) {
1267 return cmd_dev_eswitch_show(dl
);
1269 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1273 static int cmd_dev_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1275 struct dl
*dl
= data
;
1276 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1277 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1279 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1280 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
])
1281 return MNL_CB_ERROR
;
1286 static int cmd_dev_show(struct dl
*dl
)
1288 struct nlmsghdr
*nlh
;
1289 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1292 if (dl_argc(dl
) == 0)
1293 flags
|= NLM_F_DUMP
;
1295 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_GET
, flags
);
1297 if (dl_argc(dl
) > 0) {
1298 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, 0);
1303 pr_out_section_start(dl
, "dev");
1304 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_dev_show_cb
, dl
);
1305 pr_out_section_end(dl
);
1309 static int cmd_dev(struct dl
*dl
)
1311 if (dl_argv_match(dl
, "help")) {
1314 } else if (dl_argv_match(dl
, "show") ||
1315 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1317 return cmd_dev_show(dl
);
1318 } else if (dl_argv_match(dl
, "eswitch")) {
1320 return cmd_dev_eswitch(dl
);
1322 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1326 static void cmd_port_help(void)
1328 pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
1329 pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
1330 pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
1331 pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
1334 static const char *port_type_name(uint32_t type
)
1337 case DEVLINK_PORT_TYPE_NOTSET
: return "notset";
1338 case DEVLINK_PORT_TYPE_AUTO
: return "auto";
1339 case DEVLINK_PORT_TYPE_ETH
: return "eth";
1340 case DEVLINK_PORT_TYPE_IB
: return "ib";
1341 default: return "<unknown type>";
1345 static void pr_out_port(struct dl
*dl
, struct nlattr
**tb
)
1347 struct nlattr
*pt_attr
= tb
[DEVLINK_ATTR_PORT_TYPE
];
1348 struct nlattr
*dpt_attr
= tb
[DEVLINK_ATTR_PORT_DESIRED_TYPE
];
1350 pr_out_port_handle_start(dl
, tb
, false);
1352 uint16_t port_type
= mnl_attr_get_u16(pt_attr
);
1354 pr_out_str(dl
, "type", port_type_name(port_type
));
1356 uint16_t des_port_type
= mnl_attr_get_u16(dpt_attr
);
1358 if (port_type
!= des_port_type
)
1359 pr_out_str(dl
, "des_type",
1360 port_type_name(des_port_type
));
1363 if (tb
[DEVLINK_ATTR_PORT_NETDEV_NAME
])
1364 pr_out_str(dl
, "netdev",
1365 mnl_attr_get_str(tb
[DEVLINK_ATTR_PORT_NETDEV_NAME
]));
1366 if (tb
[DEVLINK_ATTR_PORT_IBDEV_NAME
])
1367 pr_out_str(dl
, "ibdev",
1368 mnl_attr_get_str(tb
[DEVLINK_ATTR_PORT_IBDEV_NAME
]));
1369 if (tb
[DEVLINK_ATTR_PORT_SPLIT_GROUP
])
1370 pr_out_uint(dl
, "split_group",
1371 mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_SPLIT_GROUP
]));
1372 pr_out_port_handle_end(dl
);
1375 static int cmd_port_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1377 struct dl
*dl
= data
;
1378 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1379 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1381 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1382 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1383 !tb
[DEVLINK_ATTR_PORT_INDEX
])
1384 return MNL_CB_ERROR
;
1385 pr_out_port(dl
, tb
);
1389 static int cmd_port_show(struct dl
*dl
)
1391 struct nlmsghdr
*nlh
;
1392 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1395 if (dl_argc(dl
) == 0)
1396 flags
|= NLM_F_DUMP
;
1398 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_GET
, flags
);
1400 if (dl_argc(dl
) > 0) {
1401 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
, 0);
1406 pr_out_section_start(dl
, "port");
1407 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_port_show_cb
, dl
);
1408 pr_out_section_end(dl
);
1412 static int cmd_port_set(struct dl
*dl
)
1414 struct nlmsghdr
*nlh
;
1417 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_SET
,
1418 NLM_F_REQUEST
| NLM_F_ACK
);
1420 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_PORT_TYPE
, 0);
1424 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1427 static int cmd_port_split(struct dl
*dl
)
1429 struct nlmsghdr
*nlh
;
1432 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_SPLIT
,
1433 NLM_F_REQUEST
| NLM_F_ACK
);
1435 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_PORT_COUNT
, 0);
1439 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1442 static int cmd_port_unsplit(struct dl
*dl
)
1444 struct nlmsghdr
*nlh
;
1447 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_PORT_UNSPLIT
,
1448 NLM_F_REQUEST
| NLM_F_ACK
);
1450 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
, 0);
1454 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1457 static int cmd_port(struct dl
*dl
)
1459 if (dl_argv_match(dl
, "help")) {
1462 } else if (dl_argv_match(dl
, "show") ||
1463 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1465 return cmd_port_show(dl
);
1466 } else if (dl_argv_match(dl
, "set")) {
1468 return cmd_port_set(dl
);
1469 } else if (dl_argv_match(dl
, "split")) {
1471 return cmd_port_split(dl
);
1472 } else if (dl_argv_match(dl
, "unsplit")) {
1474 return cmd_port_unsplit(dl
);
1476 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1480 static void cmd_sb_help(void)
1482 pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
1483 pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
1484 pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
1485 pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
1486 pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
1487 pr_err(" pool POOL_INDEX ]\n");
1488 pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
1489 pr_err(" pool POOL_INDEX th THRESHOLD\n");
1490 pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
1491 pr_err(" type { ingress | egress } ]\n");
1492 pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
1493 pr_err(" type { ingress | egress } pool POOL_INDEX\n");
1494 pr_err(" th THRESHOLD\n");
1495 pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
1496 pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
1497 pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
1500 static void pr_out_sb(struct dl
*dl
, struct nlattr
**tb
)
1502 pr_out_handle_start_arr(dl
, tb
);
1503 pr_out_uint(dl
, "sb",
1504 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1505 pr_out_uint(dl
, "size",
1506 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_SIZE
]));
1507 pr_out_uint(dl
, "ing_pools",
1508 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT
]));
1509 pr_out_uint(dl
, "eg_pools",
1510 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT
]));
1511 pr_out_uint(dl
, "ing_tcs",
1512 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_INGRESS_TC_COUNT
]));
1513 pr_out_uint(dl
, "eg_tcs",
1514 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_EGRESS_TC_COUNT
]));
1515 pr_out_handle_end(dl
);
1518 static int cmd_sb_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1520 struct dl
*dl
= data
;
1521 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1522 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1524 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1525 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1526 !tb
[DEVLINK_ATTR_SB_INDEX
] || !tb
[DEVLINK_ATTR_SB_SIZE
] ||
1527 !tb
[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT
] ||
1528 !tb
[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT
] ||
1529 !tb
[DEVLINK_ATTR_SB_INGRESS_TC_COUNT
] ||
1530 !tb
[DEVLINK_ATTR_SB_EGRESS_TC_COUNT
])
1531 return MNL_CB_ERROR
;
1536 static int cmd_sb_show(struct dl
*dl
)
1538 struct nlmsghdr
*nlh
;
1539 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1542 if (dl_argc(dl
) == 0)
1543 flags
|= NLM_F_DUMP
;
1545 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_GET
, flags
);
1547 if (dl_argc(dl
) > 0) {
1548 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, DL_OPT_SB
);
1553 pr_out_section_start(dl
, "sb");
1554 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_show_cb
, dl
);
1555 pr_out_section_end(dl
);
1559 static const char *pool_type_name(uint8_t type
)
1562 case DEVLINK_SB_POOL_TYPE_INGRESS
: return "ingress";
1563 case DEVLINK_SB_POOL_TYPE_EGRESS
: return "egress";
1564 default: return "<unknown type>";
1568 static const char *threshold_type_name(uint8_t type
)
1571 case DEVLINK_SB_THRESHOLD_TYPE_STATIC
: return "static";
1572 case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC
: return "dynamic";
1573 default: return "<unknown type>";
1577 static void pr_out_sb_pool(struct dl
*dl
, struct nlattr
**tb
)
1579 pr_out_handle_start_arr(dl
, tb
);
1580 pr_out_uint(dl
, "sb",
1581 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1582 pr_out_uint(dl
, "pool",
1583 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]));
1584 pr_out_str(dl
, "type",
1585 pool_type_name(mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_TYPE
])));
1586 pr_out_uint(dl
, "size",
1587 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_POOL_SIZE
]));
1588 pr_out_str(dl
, "thtype",
1589 threshold_type_name(mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
])));
1590 pr_out_handle_end(dl
);
1593 static int cmd_sb_pool_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1595 struct dl
*dl
= data
;
1596 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1597 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1599 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1600 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1601 !tb
[DEVLINK_ATTR_SB_INDEX
] || !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] ||
1602 !tb
[DEVLINK_ATTR_SB_POOL_TYPE
] || !tb
[DEVLINK_ATTR_SB_POOL_SIZE
] ||
1603 !tb
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE
])
1604 return MNL_CB_ERROR
;
1605 pr_out_sb_pool(dl
, tb
);
1609 static int cmd_sb_pool_show(struct dl
*dl
)
1611 struct nlmsghdr
*nlh
;
1612 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1615 if (dl_argc(dl
) == 0)
1616 flags
|= NLM_F_DUMP
;
1618 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_POOL_GET
, flags
);
1620 if (dl_argc(dl
) > 0) {
1621 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
| DL_OPT_SB_POOL
,
1627 pr_out_section_start(dl
, "pool");
1628 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_pool_show_cb
, dl
);
1629 pr_out_section_end(dl
);
1633 static int cmd_sb_pool_set(struct dl
*dl
)
1635 struct nlmsghdr
*nlh
;
1638 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_POOL_SET
,
1639 NLM_F_REQUEST
| NLM_F_ACK
);
1641 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
| DL_OPT_SB_POOL
|
1642 DL_OPT_SB_SIZE
| DL_OPT_SB_THTYPE
, DL_OPT_SB
);
1646 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1649 static int cmd_sb_pool(struct dl
*dl
)
1651 if (dl_argv_match(dl
, "help")) {
1654 } else if (dl_argv_match(dl
, "show") ||
1655 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1657 return cmd_sb_pool_show(dl
);
1658 } else if (dl_argv_match(dl
, "set")) {
1660 return cmd_sb_pool_set(dl
);
1662 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1666 static void pr_out_sb_port_pool(struct dl
*dl
, struct nlattr
**tb
)
1668 pr_out_port_handle_start_arr(dl
, tb
, true);
1669 pr_out_uint(dl
, "sb",
1670 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1671 pr_out_uint(dl
, "pool",
1672 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]));
1673 pr_out_uint(dl
, "threshold",
1674 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_THRESHOLD
]));
1675 pr_out_port_handle_end(dl
);
1678 static int cmd_sb_port_pool_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1680 struct dl
*dl
= data
;
1681 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1682 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1684 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1685 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1686 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
1687 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] || !tb
[DEVLINK_ATTR_SB_THRESHOLD
])
1688 return MNL_CB_ERROR
;
1689 pr_out_sb_port_pool(dl
, tb
);
1693 static int cmd_sb_port_pool_show(struct dl
*dl
)
1695 struct nlmsghdr
*nlh
;
1696 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1699 if (dl_argc(dl
) == 0)
1700 flags
|= NLM_F_DUMP
;
1702 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_PORT_POOL_GET
, flags
);
1704 if (dl_argc(dl
) > 0) {
1705 err
= dl_argv_parse_put(nlh
, dl
,
1706 DL_OPT_HANDLEP
| DL_OPT_SB_POOL
,
1712 pr_out_section_start(dl
, "port_pool");
1713 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_port_pool_show_cb
, dl
);
1714 pr_out_section_end(dl
);
1718 static int cmd_sb_port_pool_set(struct dl
*dl
)
1720 struct nlmsghdr
*nlh
;
1723 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_PORT_POOL_SET
,
1724 NLM_F_REQUEST
| NLM_F_ACK
);
1726 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_SB_POOL
|
1727 DL_OPT_SB_TH
, DL_OPT_SB
);
1731 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1734 static int cmd_sb_port_pool(struct dl
*dl
)
1736 if (dl_argv_match(dl
, "help")) {
1739 } else if (dl_argv_match(dl
, "show") ||
1740 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1742 return cmd_sb_port_pool_show(dl
);
1743 } else if (dl_argv_match(dl
, "set")) {
1745 return cmd_sb_port_pool_set(dl
);
1747 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1751 static int cmd_sb_port(struct dl
*dl
)
1753 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
1756 } else if (dl_argv_match(dl
, "pool")) {
1758 return cmd_sb_port_pool(dl
);
1760 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1764 static void pr_out_sb_tc_bind(struct dl
*dl
, struct nlattr
**tb
)
1766 pr_out_port_handle_start_arr(dl
, tb
, true);
1767 pr_out_uint(dl
, "sb",
1768 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_INDEX
]));
1769 pr_out_uint(dl
, "tc",
1770 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_TC_INDEX
]));
1771 pr_out_str(dl
, "type",
1772 pool_type_name(mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_TYPE
])));
1773 pr_out_uint(dl
, "pool",
1774 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]));
1775 pr_out_uint(dl
, "threshold",
1776 mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_THRESHOLD
]));
1777 pr_out_port_handle_end(dl
);
1780 static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr
*nlh
, void *data
)
1782 struct dl
*dl
= data
;
1783 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
1784 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
1786 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
1787 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
1788 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
1789 !tb
[DEVLINK_ATTR_SB_TC_INDEX
] || !tb
[DEVLINK_ATTR_SB_POOL_TYPE
] ||
1790 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] || !tb
[DEVLINK_ATTR_SB_THRESHOLD
])
1791 return MNL_CB_ERROR
;
1792 pr_out_sb_tc_bind(dl
, tb
);
1796 static int cmd_sb_tc_bind_show(struct dl
*dl
)
1798 struct nlmsghdr
*nlh
;
1799 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
;
1802 if (dl_argc(dl
) == 0)
1803 flags
|= NLM_F_DUMP
;
1805 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_TC_POOL_BIND_GET
, flags
);
1807 if (dl_argc(dl
) > 0) {
1808 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_SB_TC
|
1809 DL_OPT_SB_TYPE
, DL_OPT_SB
);
1814 pr_out_section_start(dl
, "tc_bind");
1815 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
, cmd_sb_tc_bind_show_cb
, dl
);
1816 pr_out_section_end(dl
);
1820 static int cmd_sb_tc_bind_set(struct dl
*dl
)
1822 struct nlmsghdr
*nlh
;
1825 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_TC_POOL_BIND_SET
,
1826 NLM_F_REQUEST
| NLM_F_ACK
);
1828 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLEP
| DL_OPT_SB_TC
|
1829 DL_OPT_SB_TYPE
| DL_OPT_SB_POOL
| DL_OPT_SB_TH
,
1834 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
1837 static int cmd_sb_tc_bind(struct dl
*dl
)
1839 if (dl_argv_match(dl
, "help")) {
1842 } else if (dl_argv_match(dl
, "show") ||
1843 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
1845 return cmd_sb_tc_bind_show(dl
);
1846 } else if (dl_argv_match(dl
, "set")) {
1848 return cmd_sb_tc_bind_set(dl
);
1850 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1854 static int cmd_sb_tc(struct dl
*dl
)
1856 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
1859 } else if (dl_argv_match(dl
, "bind")) {
1861 return cmd_sb_tc_bind(dl
);
1863 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
1868 struct list_head list
;
1872 uint32_t bound_pool_index
;
1876 struct list_head list
;
1879 uint32_t port_index
;
1881 struct list_head pool_list
;
1882 struct list_head ing_tc_list
;
1883 struct list_head eg_tc_list
;
1889 struct list_head port_list
;
1892 static struct occ_item
*occ_item_alloc(void)
1894 return calloc(1, sizeof(struct occ_item
));
1897 static void occ_item_free(struct occ_item
*occ_item
)
1902 static struct occ_port
*occ_port_alloc(uint32_t port_index
)
1904 struct occ_port
*occ_port
;
1906 occ_port
= calloc(1, sizeof(*occ_port
));
1909 occ_port
->port_index
= port_index
;
1910 INIT_LIST_HEAD(&occ_port
->pool_list
);
1911 INIT_LIST_HEAD(&occ_port
->ing_tc_list
);
1912 INIT_LIST_HEAD(&occ_port
->eg_tc_list
);
1916 static void occ_port_free(struct occ_port
*occ_port
)
1918 struct occ_item
*occ_item
, *tmp
;
1920 list_for_each_entry_safe(occ_item
, tmp
, &occ_port
->pool_list
, list
)
1921 occ_item_free(occ_item
);
1922 list_for_each_entry_safe(occ_item
, tmp
, &occ_port
->ing_tc_list
, list
)
1923 occ_item_free(occ_item
);
1924 list_for_each_entry_safe(occ_item
, tmp
, &occ_port
->eg_tc_list
, list
)
1925 occ_item_free(occ_item
);
1928 static struct occ_show
*occ_show_alloc(struct dl
*dl
)
1930 struct occ_show
*occ_show
;
1932 occ_show
= calloc(1, sizeof(*occ_show
));
1936 INIT_LIST_HEAD(&occ_show
->port_list
);
1940 static void occ_show_free(struct occ_show
*occ_show
)
1942 struct occ_port
*occ_port
, *tmp
;
1944 list_for_each_entry_safe(occ_port
, tmp
, &occ_show
->port_list
, list
)
1945 occ_port_free(occ_port
);
1948 static struct occ_port
*occ_port_get(struct occ_show
*occ_show
,
1951 struct occ_port
*occ_port
;
1952 uint32_t port_index
;
1954 port_index
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_PORT_INDEX
]);
1956 list_for_each_entry_reverse(occ_port
, &occ_show
->port_list
, list
) {
1957 if (occ_port
->port_index
== port_index
)
1960 occ_port
= occ_port_alloc(port_index
);
1963 list_add_tail(&occ_port
->list
, &occ_show
->port_list
);
1967 static void pr_out_occ_show_item_list(const char *label
, struct list_head
*list
,
1970 struct occ_item
*occ_item
;
1973 pr_out_sp(7, " %s:", label
);
1974 list_for_each_entry(occ_item
, list
, list
) {
1975 if ((i
- 1) % 4 == 0 && i
!= 1)
1978 pr_out_sp(7, "%2u(%u):", occ_item
->index
,
1979 occ_item
->bound_pool_index
);
1981 pr_out_sp(7, "%2u:", occ_item
->index
);
1982 pr_out_sp(15, "%7u/%u", occ_item
->cur
, occ_item
->max
);
1986 if ((i
- 1) % 4 != 0)
1990 static void pr_out_json_occ_show_item_list(struct dl
*dl
, const char *label
,
1991 struct list_head
*list
,
1994 struct occ_item
*occ_item
;
1997 jsonw_name(dl
->jw
, label
);
1998 jsonw_start_object(dl
->jw
);
1999 list_for_each_entry(occ_item
, list
, list
) {
2000 sprintf(buf
, "%u", occ_item
->index
);
2001 jsonw_name(dl
->jw
, buf
);
2002 jsonw_start_object(dl
->jw
);
2004 jsonw_uint_field(dl
->jw
, "bound_pool",
2005 occ_item
->bound_pool_index
);
2006 jsonw_uint_field(dl
->jw
, "current", occ_item
->cur
);
2007 jsonw_uint_field(dl
->jw
, "max", occ_item
->max
);
2008 jsonw_end_object(dl
->jw
);
2010 jsonw_end_object(dl
->jw
);
2013 static void pr_out_occ_show_port(struct dl
*dl
, struct occ_port
*occ_port
)
2015 if (dl
->json_output
) {
2016 pr_out_json_occ_show_item_list(dl
, "pool",
2017 &occ_port
->pool_list
, false);
2018 pr_out_json_occ_show_item_list(dl
, "itc",
2019 &occ_port
->ing_tc_list
, true);
2020 pr_out_json_occ_show_item_list(dl
, "etc",
2021 &occ_port
->eg_tc_list
, true);
2024 pr_out_occ_show_item_list("pool", &occ_port
->pool_list
, false);
2025 pr_out_occ_show_item_list("itc", &occ_port
->ing_tc_list
, true);
2026 pr_out_occ_show_item_list("etc", &occ_port
->eg_tc_list
, true);
2030 static void pr_out_occ_show(struct occ_show
*occ_show
)
2032 struct dl
*dl
= occ_show
->dl
;
2033 struct dl_opts
*opts
= &dl
->opts
;
2034 struct occ_port
*occ_port
;
2036 list_for_each_entry(occ_port
, &occ_show
->port_list
, list
) {
2037 __pr_out_port_handle_start(dl
, opts
->bus_name
, opts
->dev_name
,
2038 occ_port
->port_index
, true, false);
2039 pr_out_occ_show_port(dl
, occ_port
);
2040 pr_out_port_handle_end(dl
);
2044 static void cmd_sb_occ_port_pool_process(struct occ_show
*occ_show
,
2047 struct occ_port
*occ_port
;
2048 struct occ_item
*occ_item
;
2050 if (occ_show
->err
|| !dl_dump_filter(occ_show
->dl
, tb
))
2053 occ_port
= occ_port_get(occ_show
, tb
);
2055 occ_show
->err
= -ENOMEM
;
2059 occ_item
= occ_item_alloc();
2061 occ_show
->err
= -ENOMEM
;
2064 occ_item
->index
= mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]);
2065 occ_item
->cur
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_CUR
]);
2066 occ_item
->max
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_MAX
]);
2067 list_add_tail(&occ_item
->list
, &occ_port
->pool_list
);
2070 static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr
*nlh
, void *data
)
2072 struct occ_show
*occ_show
= data
;
2073 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
2074 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
2076 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2077 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
2078 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
2079 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] ||
2080 !tb
[DEVLINK_ATTR_SB_OCC_CUR
] || !tb
[DEVLINK_ATTR_SB_OCC_MAX
])
2081 return MNL_CB_ERROR
;
2082 cmd_sb_occ_port_pool_process(occ_show
, tb
);
2086 static void cmd_sb_occ_tc_pool_process(struct occ_show
*occ_show
,
2089 struct occ_port
*occ_port
;
2090 struct occ_item
*occ_item
;
2093 if (occ_show
->err
|| !dl_dump_filter(occ_show
->dl
, tb
))
2096 occ_port
= occ_port_get(occ_show
, tb
);
2098 occ_show
->err
= -ENOMEM
;
2102 occ_item
= occ_item_alloc();
2104 occ_show
->err
= -ENOMEM
;
2107 occ_item
->index
= mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_TC_INDEX
]);
2108 occ_item
->cur
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_CUR
]);
2109 occ_item
->max
= mnl_attr_get_u32(tb
[DEVLINK_ATTR_SB_OCC_MAX
]);
2110 occ_item
->bound_pool_index
=
2111 mnl_attr_get_u16(tb
[DEVLINK_ATTR_SB_POOL_INDEX
]);
2112 pool_type
= mnl_attr_get_u8(tb
[DEVLINK_ATTR_SB_POOL_TYPE
]);
2113 if (pool_type
== DEVLINK_SB_POOL_TYPE_INGRESS
)
2114 list_add_tail(&occ_item
->list
, &occ_port
->ing_tc_list
);
2115 else if (pool_type
== DEVLINK_SB_POOL_TYPE_EGRESS
)
2116 list_add_tail(&occ_item
->list
, &occ_port
->eg_tc_list
);
2118 occ_item_free(occ_item
);
2121 static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr
*nlh
, void *data
)
2123 struct occ_show
*occ_show
= data
;
2124 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
2125 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
2127 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2128 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
2129 !tb
[DEVLINK_ATTR_PORT_INDEX
] || !tb
[DEVLINK_ATTR_SB_INDEX
] ||
2130 !tb
[DEVLINK_ATTR_SB_TC_INDEX
] || !tb
[DEVLINK_ATTR_SB_POOL_TYPE
] ||
2131 !tb
[DEVLINK_ATTR_SB_POOL_INDEX
] ||
2132 !tb
[DEVLINK_ATTR_SB_OCC_CUR
] || !tb
[DEVLINK_ATTR_SB_OCC_MAX
])
2133 return MNL_CB_ERROR
;
2134 cmd_sb_occ_tc_pool_process(occ_show
, tb
);
2138 static int cmd_sb_occ_show(struct dl
*dl
)
2140 struct nlmsghdr
*nlh
;
2141 struct occ_show
*occ_show
;
2142 uint16_t flags
= NLM_F_REQUEST
| NLM_F_ACK
| NLM_F_DUMP
;
2145 err
= dl_argv_parse(dl
, DL_OPT_HANDLE
| DL_OPT_HANDLEP
, DL_OPT_SB
);
2149 occ_show
= occ_show_alloc(dl
);
2153 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_PORT_POOL_GET
, flags
);
2155 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
,
2156 cmd_sb_occ_port_pool_process_cb
, occ_show
);
2160 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_TC_POOL_BIND_GET
, flags
);
2162 err
= _mnlg_socket_sndrcv(dl
->nlg
, nlh
,
2163 cmd_sb_occ_tc_pool_process_cb
, occ_show
);
2167 pr_out_section_start(dl
, "occupancy");
2168 pr_out_occ_show(occ_show
);
2169 pr_out_section_end(dl
);
2172 occ_show_free(occ_show
);
2176 static int cmd_sb_occ_snapshot(struct dl
*dl
)
2178 struct nlmsghdr
*nlh
;
2181 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_OCC_SNAPSHOT
,
2182 NLM_F_REQUEST
| NLM_F_ACK
);
2184 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, DL_OPT_SB
);
2188 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
2191 static int cmd_sb_occ_clearmax(struct dl
*dl
)
2193 struct nlmsghdr
*nlh
;
2196 nlh
= mnlg_msg_prepare(dl
->nlg
, DEVLINK_CMD_SB_OCC_MAX_CLEAR
,
2197 NLM_F_REQUEST
| NLM_F_ACK
);
2199 err
= dl_argv_parse_put(nlh
, dl
, DL_OPT_HANDLE
, DL_OPT_SB
);
2203 return _mnlg_socket_sndrcv(dl
->nlg
, nlh
, NULL
, NULL
);
2206 static int cmd_sb_occ(struct dl
*dl
)
2208 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
2211 } else if (dl_argv_match(dl
, "show") ||
2212 dl_argv_match(dl
, "list")) {
2214 return cmd_sb_occ_show(dl
);
2215 } else if (dl_argv_match(dl
, "snapshot")) {
2217 return cmd_sb_occ_snapshot(dl
);
2218 } else if (dl_argv_match(dl
, "clearmax")) {
2220 return cmd_sb_occ_clearmax(dl
);
2222 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
2226 static int cmd_sb(struct dl
*dl
)
2228 if (dl_argv_match(dl
, "help")) {
2231 } else if (dl_argv_match(dl
, "show") ||
2232 dl_argv_match(dl
, "list") || dl_no_arg(dl
)) {
2234 return cmd_sb_show(dl
);
2235 } else if (dl_argv_match(dl
, "pool")) {
2237 return cmd_sb_pool(dl
);
2238 } else if (dl_argv_match(dl
, "port")) {
2240 return cmd_sb_port(dl
);
2241 } else if (dl_argv_match(dl
, "tc")) {
2243 return cmd_sb_tc(dl
);
2244 } else if (dl_argv_match(dl
, "occupancy")) {
2246 return cmd_sb_occ(dl
);
2248 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
2252 static const char *cmd_name(uint8_t cmd
)
2255 case DEVLINK_CMD_UNSPEC
: return "unspec";
2256 case DEVLINK_CMD_GET
: return "get";
2257 case DEVLINK_CMD_SET
: return "set";
2258 case DEVLINK_CMD_NEW
: return "new";
2259 case DEVLINK_CMD_DEL
: return "del";
2260 case DEVLINK_CMD_PORT_GET
: return "get";
2261 case DEVLINK_CMD_PORT_SET
: return "set";
2262 case DEVLINK_CMD_PORT_NEW
: return "net";
2263 case DEVLINK_CMD_PORT_DEL
: return "del";
2264 default: return "<unknown cmd>";
2268 static const char *cmd_obj(uint8_t cmd
)
2271 case DEVLINK_CMD_UNSPEC
: return "unspec";
2272 case DEVLINK_CMD_GET
:
2273 case DEVLINK_CMD_SET
:
2274 case DEVLINK_CMD_NEW
:
2275 case DEVLINK_CMD_DEL
:
2277 case DEVLINK_CMD_PORT_GET
:
2278 case DEVLINK_CMD_PORT_SET
:
2279 case DEVLINK_CMD_PORT_NEW
:
2280 case DEVLINK_CMD_PORT_DEL
:
2282 default: return "<unknown obj>";
2286 static void pr_out_mon_header(uint8_t cmd
)
2288 pr_out("[%s,%s] ", cmd_obj(cmd
), cmd_name(cmd
));
2291 static bool cmd_filter_check(struct dl
*dl
, uint8_t cmd
)
2293 const char *obj
= cmd_obj(cmd
);
2294 unsigned int index
= 0;
2295 const char *cur_obj
;
2299 while ((cur_obj
= dl_argv_index(dl
, index
++))) {
2300 if (strcmp(cur_obj
, obj
) == 0 || strcmp(cur_obj
, "all") == 0)
2306 static int cmd_mon_show_cb(const struct nlmsghdr
*nlh
, void *data
)
2308 struct dl
*dl
= data
;
2309 struct nlattr
*tb
[DEVLINK_ATTR_MAX
+ 1] = {};
2310 struct genlmsghdr
*genl
= mnl_nlmsg_get_payload(nlh
);
2311 uint8_t cmd
= genl
->cmd
;
2313 if (!cmd_filter_check(dl
, cmd
))
2317 case DEVLINK_CMD_GET
: /* fall through */
2318 case DEVLINK_CMD_SET
: /* fall through */
2319 case DEVLINK_CMD_NEW
: /* fall through */
2320 case DEVLINK_CMD_DEL
:
2321 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2322 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
])
2323 return MNL_CB_ERROR
;
2324 pr_out_mon_header(genl
->cmd
);
2327 case DEVLINK_CMD_PORT_GET
: /* fall through */
2328 case DEVLINK_CMD_PORT_SET
: /* fall through */
2329 case DEVLINK_CMD_PORT_NEW
: /* fall through */
2330 case DEVLINK_CMD_PORT_DEL
:
2331 mnl_attr_parse(nlh
, sizeof(*genl
), attr_cb
, tb
);
2332 if (!tb
[DEVLINK_ATTR_BUS_NAME
] || !tb
[DEVLINK_ATTR_DEV_NAME
] ||
2333 !tb
[DEVLINK_ATTR_PORT_INDEX
])
2334 return MNL_CB_ERROR
;
2335 pr_out_mon_header(genl
->cmd
);
2336 pr_out_port(dl
, tb
);
2342 static int cmd_mon_show(struct dl
*dl
)
2345 unsigned int index
= 0;
2346 const char *cur_obj
;
2348 while ((cur_obj
= dl_argv_index(dl
, index
++))) {
2349 if (strcmp(cur_obj
, "all") != 0 &&
2350 strcmp(cur_obj
, "dev") != 0 &&
2351 strcmp(cur_obj
, "port") != 0) {
2352 pr_err("Unknown object \"%s\"\n", cur_obj
);
2356 err
= _mnlg_socket_group_add(dl
->nlg
, DEVLINK_GENL_MCGRP_CONFIG_NAME
);
2359 err
= _mnlg_socket_recv_run(dl
->nlg
, cmd_mon_show_cb
, dl
);
2365 static void cmd_mon_help(void)
2367 pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
2368 "where OBJECT-LIST := { dev | port }\n");
2371 static int cmd_mon(struct dl
*dl
)
2373 if (dl_argv_match(dl
, "help")) {
2376 } else if (dl_no_arg(dl
)) {
2378 return cmd_mon_show(dl
);
2380 pr_err("Command \"%s\" not found\n", dl_argv(dl
));
2384 static void help(void)
2386 pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
2387 "where OBJECT := { dev | port | sb | monitor }\n"
2388 " OPTIONS := { -V[ersion] | -n[no-nice-names] }\n");
2391 static int dl_cmd(struct dl
*dl
)
2393 if (dl_argv_match(dl
, "help") || dl_no_arg(dl
)) {
2396 } else if (dl_argv_match(dl
, "dev")) {
2399 } else if (dl_argv_match(dl
, "port")) {
2401 return cmd_port(dl
);
2402 } else if (dl_argv_match(dl
, "sb")) {
2405 } else if (dl_argv_match(dl
, "monitor")) {
2409 pr_err("Object \"%s\" not found\n", dl_argv(dl
));
2413 static int dl_init(struct dl
*dl
, int argc
, char **argv
)
2420 dl
->nlg
= mnlg_socket_open(DEVLINK_GENL_NAME
, DEVLINK_GENL_VERSION
);
2422 pr_err("Failed to connect to devlink Netlink\n");
2426 err
= ifname_map_init(dl
);
2428 pr_err("Failed to create index map\n");
2429 goto err_ifname_map_create
;
2431 if (dl
->json_output
) {
2432 dl
->jw
= jsonw_new(stdout
);
2434 pr_err("Failed to create JSON writer\n");
2437 jsonw_pretty(dl
->jw
, dl
->pretty_output
);
2442 ifname_map_fini(dl
);
2443 err_ifname_map_create
:
2444 mnlg_socket_close(dl
->nlg
);
2448 static void dl_fini(struct dl
*dl
)
2450 if (dl
->json_output
)
2451 jsonw_destroy(&dl
->jw
);
2452 ifname_map_fini(dl
);
2453 mnlg_socket_close(dl
->nlg
);
2456 static struct dl
*dl_alloc(void)
2460 dl
= calloc(1, sizeof(*dl
));
2466 static void dl_free(struct dl
*dl
)
2471 int main(int argc
, char **argv
)
2473 static const struct option long_options
[] = {
2474 { "Version", no_argument
, NULL
, 'V' },
2475 { "no-nice-names", no_argument
, NULL
, 'n' },
2476 { "json", no_argument
, NULL
, 'j' },
2477 { "pretty", no_argument
, NULL
, 'p' },
2478 { NULL
, 0, NULL
, 0 }
2487 pr_err("Failed to allocate memory for devlink\n");
2488 return EXIT_FAILURE
;
2491 while ((opt
= getopt_long(argc
, argv
, "Vnjp",
2492 long_options
, NULL
)) >= 0) {
2496 printf("devlink utility, iproute2-ss%s\n", SNAPSHOT
);
2497 return EXIT_SUCCESS
;
2499 dl
->no_nice_names
= true;
2502 dl
->json_output
= true;
2505 dl
->pretty_output
= true;
2508 pr_err("Unknown option.\n");
2510 return EXIT_FAILURE
;
2517 err
= dl_init(dl
, argc
, argv
);