blob: 39cda06763172f8df7be698e5b74951175ef7106 [file] [log] [blame]
/*
* devlink.c Devlink tool
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Jiri Pirko <jiri@mellanox.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <unistd.h>
#include <getopt.h>
#include <limits.h>
#include <errno.h>
#include <linux/genetlink.h>
#include <linux/devlink.h>
#include <libmnl/libmnl.h>
#include <netinet/ether.h>
#include "SNAPSHOT.h"
#include "list.h"
#include "mnlg.h"
#include "json_writer.h"
#include "utils.h"
#define ESWITCH_MODE_LEGACY "legacy"
#define ESWITCH_MODE_SWITCHDEV "switchdev"
#define ESWITCH_INLINE_MODE_NONE "none"
#define ESWITCH_INLINE_MODE_LINK "link"
#define ESWITCH_INLINE_MODE_NETWORK "network"
#define ESWITCH_INLINE_MODE_TRANSPORT "transport"
#define pr_err(args...) fprintf(stderr, ##args)
#define pr_out(args...) \
do { \
if (g_indent_newline) { \
fprintf(stdout, "%s", g_indent_str); \
g_indent_newline = false; \
} \
fprintf(stdout, ##args); \
} while (0)
#define pr_out_sp(num, args...) \
do { \
int ret = fprintf(stdout, ##args); \
if (ret < num) \
fprintf(stdout, "%*s", num - ret, ""); \
} while (0)
static int g_indent_level;
static bool g_indent_newline;
#define INDENT_STR_STEP 2
#define INDENT_STR_MAXLEN 32
static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
static void __pr_out_indent_inc(void)
{
if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)
return;
g_indent_level += INDENT_STR_STEP;
memset(g_indent_str, ' ', sizeof(g_indent_str));
g_indent_str[g_indent_level] = '\0';
}
static void __pr_out_indent_dec(void)
{
if (g_indent_level - INDENT_STR_STEP < 0)
return;
g_indent_level -= INDENT_STR_STEP;
g_indent_str[g_indent_level] = '\0';
}
static void __pr_out_newline(void)
{
pr_out("\n");
g_indent_newline = true;
}
static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
mnl_cb_t data_cb, void *data)
{
int err;
err = mnlg_socket_recv_run(nlg, data_cb, data);
if (err < 0) {
pr_err("devlink answers: %s\n", strerror(errno));
return -errno;
}
return 0;
}
static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg,
const struct nlmsghdr *nlh,
mnl_cb_t data_cb, void *data)
{
int err;
err = mnlg_socket_send(nlg, nlh);
if (err < 0) {
pr_err("Failed to call mnlg_socket_send\n");
return -errno;
}
return _mnlg_socket_recv_run(nlg, data_cb, data);
}
static int _mnlg_socket_group_add(struct mnlg_socket *nlg,
const char *group_name)
{
int err;
err = mnlg_socket_group_add(nlg, group_name);
if (err < 0) {
pr_err("Failed to call mnlg_socket_group_add\n");
return -errno;
}
return 0;
}
struct ifname_map {
struct list_head list;
char *bus_name;
char *dev_name;
uint32_t port_index;
char *ifname;
};
static struct ifname_map *ifname_map_alloc(const char *bus_name,
const char *dev_name,
uint32_t port_index,
const char *ifname)
{
struct ifname_map *ifname_map;
ifname_map = calloc(1, sizeof(*ifname_map));
if (!ifname_map)
return NULL;
ifname_map->bus_name = strdup(bus_name);
ifname_map->dev_name = strdup(dev_name);
ifname_map->port_index = port_index;
ifname_map->ifname = strdup(ifname);
if (!ifname_map->bus_name || !ifname_map->dev_name ||
!ifname_map->ifname) {
free(ifname_map->ifname);
free(ifname_map->dev_name);
free(ifname_map->bus_name);
free(ifname_map);
return NULL;
}
return ifname_map;
}
static void ifname_map_free(struct ifname_map *ifname_map)
{
free(ifname_map->ifname);
free(ifname_map->dev_name);
free(ifname_map->bus_name);
free(ifname_map);
}
#define DL_OPT_HANDLE BIT(0)
#define DL_OPT_HANDLEP BIT(1)
#define DL_OPT_PORT_TYPE BIT(2)
#define DL_OPT_PORT_COUNT BIT(3)
#define DL_OPT_SB BIT(4)
#define DL_OPT_SB_POOL BIT(5)
#define DL_OPT_SB_SIZE BIT(6)
#define DL_OPT_SB_TYPE BIT(7)
#define DL_OPT_SB_THTYPE BIT(8)
#define DL_OPT_SB_TH BIT(9)
#define DL_OPT_SB_TC BIT(10)
#define DL_OPT_ESWITCH_MODE BIT(11)
#define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
#define DL_OPT_DPIPE_TABLE_NAME BIT(13)
#define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
#define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
struct dl_opts {
uint32_t present; /* flags of present items */
char *bus_name;
char *dev_name;
uint32_t port_index;
enum devlink_port_type port_type;
uint32_t port_count;
uint32_t sb_index;
uint16_t sb_pool_index;
uint32_t sb_pool_size;
enum devlink_sb_pool_type sb_pool_type;
enum devlink_sb_threshold_type sb_pool_thtype;
uint32_t sb_threshold;
uint16_t sb_tc_index;
enum devlink_eswitch_mode eswitch_mode;
enum devlink_eswitch_inline_mode eswitch_inline_mode;
const char *dpipe_table_name;
bool dpipe_counters_enable;
bool eswitch_encap_mode;
};
struct dl {
struct mnlg_socket *nlg;
struct list_head ifname_map_list;
int argc;
char **argv;
bool no_nice_names;
struct dl_opts opts;
json_writer_t *jw;
bool json_output;
bool pretty_output;
bool verbose;
struct {
bool present;
char *bus_name;
char *dev_name;
uint32_t port_index;
} arr_last;
};
static int dl_argc(struct dl *dl)
{
return dl->argc;
}
static char *dl_argv(struct dl *dl)
{
if (dl_argc(dl) == 0)
return NULL;
return *dl->argv;
}
static void dl_arg_inc(struct dl *dl)
{
if (dl_argc(dl) == 0)
return;
dl->argc--;
dl->argv++;
}
static char *dl_argv_next(struct dl *dl)
{
char *ret;
if (dl_argc(dl) == 0)
return NULL;
ret = *dl->argv;
dl_arg_inc(dl);
return ret;
}
static char *dl_argv_index(struct dl *dl, unsigned int index)
{
if (index >= dl_argc(dl))
return NULL;
return dl->argv[index];
}
static int strcmpx(const char *str1, const char *str2)
{
if (strlen(str1) > strlen(str2))
return -1;
return strncmp(str1, str2, strlen(str1));
}
static bool dl_argv_match(struct dl *dl, const char *pattern)
{
if (dl_argc(dl) == 0)
return false;
return strcmpx(dl_argv(dl), pattern) == 0;
}
static bool dl_no_arg(struct dl *dl)
{
return dl_argc(dl) == 0;
}
static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
[DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING,
[DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
[DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32,
[DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16,
[DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16,
[DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32,
[DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING,
[DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING,
[DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32,
[DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32,
[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16,
[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16,
[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16,
[DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16,
[DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16,
[DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8,
[DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32,
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8,
[DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32,
[DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16,
[DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32,
[DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32,
[DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16,
[DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8,
[DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8,
[DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64,
[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8,
[DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64,
[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64,
[DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8,
[DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32,
[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32,
};
static int attr_cb(const struct nlattr *attr, void *data)
{
const struct nlattr **tb = data;
int type;
if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
return MNL_CB_ERROR;
type = mnl_attr_get_type(attr);
if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
return MNL_CB_ERROR;
tb[type] = attr;
return MNL_CB_OK;
}
static int ifname_map_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct dl *dl = data;
struct ifname_map *ifname_map;
const char *bus_name;
const char *dev_name;
uint32_t port_ifindex;
const char *port_ifname;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PORT_INDEX])
return MNL_CB_ERROR;
if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
return MNL_CB_OK;
bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]);
ifname_map = ifname_map_alloc(bus_name, dev_name,
port_ifindex, port_ifname);
if (!ifname_map)
return MNL_CB_ERROR;
list_add(&ifname_map->list, &dl->ifname_map_list);
return MNL_CB_OK;
}
static void ifname_map_fini(struct dl *dl)
{
struct ifname_map *ifname_map, *tmp;
list_for_each_entry_safe(ifname_map, tmp,
&dl->ifname_map_list, list) {
list_del(&ifname_map->list);
ifname_map_free(ifname_map);
}
}
static int ifname_map_init(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
INIT_LIST_HEAD(&dl->ifname_map_list);
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET,
NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl);
if (err) {
ifname_map_fini(dl);
return err;
}
return 0;
}
static int ifname_map_lookup(struct dl *dl, const char *ifname,
char **p_bus_name, char **p_dev_name,
uint32_t *p_port_index)
{
struct ifname_map *ifname_map;
list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
if (strcmp(ifname, ifname_map->ifname) == 0) {
*p_bus_name = ifname_map->bus_name;
*p_dev_name = ifname_map->dev_name;
*p_port_index = ifname_map->port_index;
return 0;
}
}
return -ENOENT;
}
static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name,
const char *dev_name, uint32_t port_index,
char **p_ifname)
{
struct ifname_map *ifname_map;
list_for_each_entry(ifname_map, &dl->ifname_map_list, list) {
if (strcmp(bus_name, ifname_map->bus_name) == 0 &&
strcmp(dev_name, ifname_map->dev_name) == 0 &&
port_index == ifname_map->port_index) {
*p_ifname = ifname_map->ifname;
return 0;
}
}
return -ENOENT;
}
static unsigned int strslashcount(char *str)
{
unsigned int count = 0;
char *pos = str;
while ((pos = strchr(pos, '/'))) {
count++;
pos++;
}
return count;
}
static int strslashrsplit(char *str, char **before, char **after)
{
char *slash;
slash = strrchr(str, '/');
if (!slash)
return -EINVAL;
*slash = '\0';
*before = str;
*after = slash + 1;
return 0;
}
static int strtouint32_t(const char *str, uint32_t *p_val)
{
char *endptr;
unsigned long int val;
val = strtoul(str, &endptr, 10);
if (endptr == str || *endptr != '\0')
return -EINVAL;
if (val > UINT_MAX)
return -ERANGE;
*p_val = val;
return 0;
}
static int strtouint16_t(const char *str, uint16_t *p_val)
{
char *endptr;
unsigned long int val;
val = strtoul(str, &endptr, 10);
if (endptr == str || *endptr != '\0')
return -EINVAL;
if (val > USHRT_MAX)
return -ERANGE;
*p_val = val;
return 0;
}
static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
{
strslashrsplit(str, p_bus_name, p_dev_name);
return 0;
}
static int dl_argv_handle(struct dl *dl, char **p_bus_name, char **p_dev_name)
{
char *str = dl_argv_next(dl);
if (!str) {
pr_err("Devlink identification (\"bus_name/dev_name\") expected\n");
return -EINVAL;
}
if (strslashcount(str) != 1) {
pr_err("Wrong devlink identification string format.\n");
pr_err("Expected \"bus_name/dev_name\".\n");
return -EINVAL;
}
return __dl_argv_handle(str, p_bus_name, p_dev_name);
}
static int __dl_argv_handle_port(char *str,
char **p_bus_name, char **p_dev_name,
uint32_t *p_port_index)
{
char *handlestr;
char *portstr;
int err;
err = strslashrsplit(str, &handlestr, &portstr);
if (err) {
pr_err("Port identification \"%s\" is invalid\n", str);
return err;
}
err = strtouint32_t(portstr, p_port_index);
if (err) {
pr_err("Port index \"%s\" is not a number or not within range\n",
portstr);
return err;
}
err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
if (err) {
pr_err("Port identification \"%s\" is invalid\n", str);
return err;
}
return 0;
}
static int __dl_argv_handle_port_ifname(struct dl *dl, char *str,
char **p_bus_name, char **p_dev_name,
uint32_t *p_port_index)
{
int err;
err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name,
p_port_index);
if (err) {
pr_err("Netdevice \"%s\" not found\n", str);
return err;
}
return 0;
}
static int dl_argv_handle_port(struct dl *dl, char **p_bus_name,
char **p_dev_name, uint32_t *p_port_index)
{
char *str = dl_argv_next(dl);
unsigned int slash_count;
if (!str) {
pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n");
return -EINVAL;
}
slash_count = strslashcount(str);
switch (slash_count) {
case 0:
return __dl_argv_handle_port_ifname(dl, str, p_bus_name,
p_dev_name, p_port_index);
case 2:
return __dl_argv_handle_port(str, p_bus_name,
p_dev_name, p_port_index);
default:
pr_err("Wrong port identification string format.\n");
pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
return -EINVAL;
}
}
static int dl_argv_handle_both(struct dl *dl, char **p_bus_name,
char **p_dev_name, uint32_t *p_port_index,
uint32_t *p_handle_bit)
{
char *str = dl_argv_next(dl);
unsigned int slash_count;
int err;
if (!str) {
pr_err("One of following identifications expected:\n"
"Devlink identification (\"bus_name/dev_name\")\n"
"Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n");
return -EINVAL;
}
slash_count = strslashcount(str);
if (slash_count == 1) {
err = __dl_argv_handle(str, p_bus_name, p_dev_name);
if (err)
return err;
*p_handle_bit = DL_OPT_HANDLE;
} else if (slash_count == 2) {
err = __dl_argv_handle_port(str, p_bus_name,
p_dev_name, p_port_index);
if (err)
return err;
*p_handle_bit = DL_OPT_HANDLEP;
} else if (slash_count == 0) {
err = __dl_argv_handle_port_ifname(dl, str, p_bus_name,
p_dev_name, p_port_index);
if (err)
return err;
*p_handle_bit = DL_OPT_HANDLEP;
} else {
pr_err("Wrong port identification string format.\n");
pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n");
return -EINVAL;
}
return 0;
}
static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
{
char *str = dl_argv_next(dl);
int err;
if (!str) {
pr_err("Unsigned number argument expected\n");
return -EINVAL;
}
err = strtouint32_t(str, p_val);
if (err) {
pr_err("\"%s\" is not a number or not within range\n", str);
return err;
}
return 0;
}
static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val)
{
char *str = dl_argv_next(dl);
int err;
if (!str) {
pr_err("Unsigned number argument expected\n");
return -EINVAL;
}
err = strtouint16_t(str, p_val);
if (err) {
pr_err("\"%s\" is not a number or not within range\n", str);
return err;
}
return 0;
}
static int dl_argv_str(struct dl *dl, const char **p_str)
{
const char *str = dl_argv_next(dl);
if (!str) {
pr_err("String parameter expected\n");
return -EINVAL;
}
*p_str = str;
return 0;
}
static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
{
if (strcmp(typestr, "auto") == 0) {
*p_type = DEVLINK_PORT_TYPE_AUTO;
} else if (strcmp(typestr, "eth") == 0) {
*p_type = DEVLINK_PORT_TYPE_ETH;
} else if (strcmp(typestr, "ib") == 0) {
*p_type = DEVLINK_PORT_TYPE_IB;
} else {
pr_err("Unknown port type \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type)
{
if (strcmp(typestr, "ingress") == 0) {
*p_type = DEVLINK_SB_POOL_TYPE_INGRESS;
} else if (strcmp(typestr, "egress") == 0) {
*p_type = DEVLINK_SB_POOL_TYPE_EGRESS;
} else {
pr_err("Unknown pool type \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int threshold_type_get(const char *typestr,
enum devlink_sb_threshold_type *p_type)
{
if (strcmp(typestr, "static") == 0) {
*p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC;
} else if (strcmp(typestr, "dynamic") == 0) {
*p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC;
} else {
pr_err("Unknown threshold type \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int eswitch_mode_get(const char *typestr,
enum devlink_eswitch_mode *p_mode)
{
if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) {
*p_mode = DEVLINK_ESWITCH_MODE_LEGACY;
} else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) {
*p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;
} else {
pr_err("Unknown eswitch mode \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int eswitch_inline_mode_get(const char *typestr,
enum devlink_eswitch_inline_mode *p_mode)
{
if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
*p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
} else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
*p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
} else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
*p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
} else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
*p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
} else {
pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int dpipe_counters_enable_get(const char *typestr,
bool *counters_enable)
{
if (strcmp(typestr, "enable") == 0) {
*counters_enable = 1;
} else if (strcmp(typestr, "disable") == 0) {
*counters_enable = 0;
} else {
pr_err("Unknown counter_state \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int eswitch_encap_mode_get(const char *typestr, bool *p_mode)
{
if (strcmp(typestr, "enable") == 0) {
*p_mode = true;
} else if (strcmp(typestr, "disable") == 0) {
*p_mode = false;
} else {
pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int dl_argv_parse(struct dl *dl, uint32_t o_required,
uint32_t o_optional)
{
struct dl_opts *opts = &dl->opts;
uint32_t o_all = o_required | o_optional;
uint32_t o_found = 0;
int err;
if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
uint32_t handle_bit;
err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
&opts->port_index, &handle_bit);
if (err)
return err;
o_found |= handle_bit;
} else if (o_required & DL_OPT_HANDLE) {
err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name);
if (err)
return err;
o_found |= DL_OPT_HANDLE;
} else if (o_required & DL_OPT_HANDLEP) {
err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name,
&opts->port_index);
if (err)
return err;
o_found |= DL_OPT_HANDLEP;
}
while (dl_argc(dl)) {
if (dl_argv_match(dl, "type") &&
(o_all & DL_OPT_PORT_TYPE)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = port_type_get(typestr, &opts->port_type);
if (err)
return err;
o_found |= DL_OPT_PORT_TYPE;
} else if (dl_argv_match(dl, "count") &&
(o_all & DL_OPT_PORT_COUNT)) {
dl_arg_inc(dl);
err = dl_argv_uint32_t(dl, &opts->port_count);
if (err)
return err;
o_found |= DL_OPT_PORT_COUNT;
} else if (dl_argv_match(dl, "sb") &&
(o_all & DL_OPT_SB)) {
dl_arg_inc(dl);
err = dl_argv_uint32_t(dl, &opts->sb_index);
if (err)
return err;
o_found |= DL_OPT_SB;
} else if (dl_argv_match(dl, "pool") &&
(o_all & DL_OPT_SB_POOL)) {
dl_arg_inc(dl);
err = dl_argv_uint16_t(dl, &opts->sb_pool_index);
if (err)
return err;
o_found |= DL_OPT_SB_POOL;
} else if (dl_argv_match(dl, "size") &&
(o_all & DL_OPT_SB_SIZE)) {
dl_arg_inc(dl);
err = dl_argv_uint32_t(dl, &opts->sb_pool_size);
if (err)
return err;
o_found |= DL_OPT_SB_SIZE;
} else if (dl_argv_match(dl, "type") &&
(o_all & DL_OPT_SB_TYPE)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = pool_type_get(typestr, &opts->sb_pool_type);
if (err)
return err;
o_found |= DL_OPT_SB_TYPE;
} else if (dl_argv_match(dl, "thtype") &&
(o_all & DL_OPT_SB_THTYPE)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = threshold_type_get(typestr,
&opts->sb_pool_thtype);
if (err)
return err;
o_found |= DL_OPT_SB_THTYPE;
} else if (dl_argv_match(dl, "th") &&
(o_all & DL_OPT_SB_TH)) {
dl_arg_inc(dl);
err = dl_argv_uint32_t(dl, &opts->sb_threshold);
if (err)
return err;
o_found |= DL_OPT_SB_TH;
} else if (dl_argv_match(dl, "tc") &&
(o_all & DL_OPT_SB_TC)) {
dl_arg_inc(dl);
err = dl_argv_uint16_t(dl, &opts->sb_tc_index);
if (err)
return err;
o_found |= DL_OPT_SB_TC;
} else if (dl_argv_match(dl, "mode") &&
(o_all & DL_OPT_ESWITCH_MODE)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = eswitch_mode_get(typestr, &opts->eswitch_mode);
if (err)
return err;
o_found |= DL_OPT_ESWITCH_MODE;
} else if (dl_argv_match(dl, "inline-mode") &&
(o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = eswitch_inline_mode_get(
typestr, &opts->eswitch_inline_mode);
if (err)
return err;
o_found |= DL_OPT_ESWITCH_INLINE_MODE;
} else if (dl_argv_match(dl, "name") &&
(o_all & DL_OPT_DPIPE_TABLE_NAME)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->dpipe_table_name);
if (err)
return err;
o_found |= DL_OPT_DPIPE_TABLE_NAME;
} else if (dl_argv_match(dl, "counters") &&
(o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = dpipe_counters_enable_get(typestr,
&opts->dpipe_counters_enable);
if (err)
return err;
o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
} else if (dl_argv_match(dl, "encap") &&
(o_all & DL_OPT_ESWITCH_ENCAP_MODE)) {
const char *typestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &typestr);
if (err)
return err;
err = eswitch_encap_mode_get(typestr,
&opts->eswitch_encap_mode);
if (err)
return err;
o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
} else {
pr_err("Unknown option \"%s\"\n", dl_argv(dl));
return -EINVAL;
}
}
opts->present = o_found;
if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) {
opts->sb_index = 0;
opts->present |= DL_OPT_SB;
}
if ((o_required & DL_OPT_PORT_TYPE) && !(o_found & DL_OPT_PORT_TYPE)) {
pr_err("Port type option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_PORT_COUNT) &&
!(o_found & DL_OPT_PORT_COUNT)) {
pr_err("Port split count option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_SB_POOL) && !(o_found & DL_OPT_SB_POOL)) {
pr_err("Pool index option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_SB_SIZE) && !(o_found & DL_OPT_SB_SIZE)) {
pr_err("Pool size option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_SB_TYPE) && !(o_found & DL_OPT_SB_TYPE)) {
pr_err("Pool type option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_SB_THTYPE) && !(o_found & DL_OPT_SB_THTYPE)) {
pr_err("Pool threshold type option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_SB_TH) && !(o_found & DL_OPT_SB_TH)) {
pr_err("Threshold option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_SB_TC) && !(o_found & DL_OPT_SB_TC)) {
pr_err("TC index option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_ESWITCH_MODE) &&
!(o_found & DL_OPT_ESWITCH_MODE)) {
pr_err("E-Switch mode option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_ESWITCH_INLINE_MODE) &&
!(o_found & DL_OPT_ESWITCH_INLINE_MODE)) {
pr_err("E-Switch inline-mode option expected.\n");
return -EINVAL;
}
if ((o_required & DL_OPT_DPIPE_TABLE_NAME) &&
!(o_found & DL_OPT_DPIPE_TABLE_NAME)) {
pr_err("Dpipe table name expected\n");
return -EINVAL;
}
if ((o_required & DL_OPT_DPIPE_TABLE_COUNTERS) &&
!(o_found & DL_OPT_DPIPE_TABLE_COUNTERS)) {
pr_err("Dpipe table counter state expected\n");
return -EINVAL;
}
if ((o_required & DL_OPT_ESWITCH_ENCAP_MODE) &&
!(o_found & DL_OPT_ESWITCH_ENCAP_MODE)) {
pr_err("E-Switch encapsulation option expected.\n");
return -EINVAL;
}
return 0;
}
static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
{
struct dl_opts *opts = &dl->opts;
if (opts->present & DL_OPT_HANDLE) {
mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
} else if (opts->present & DL_OPT_HANDLEP) {
mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
opts->port_index);
}
if (opts->present & DL_OPT_PORT_TYPE)
mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
opts->port_type);
if (opts->present & DL_OPT_PORT_COUNT)
mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT,
opts->port_count);
if (opts->present & DL_OPT_SB)
mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX,
opts->sb_index);
if (opts->present & DL_OPT_SB_POOL)
mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX,
opts->sb_pool_index);
if (opts->present & DL_OPT_SB_SIZE)
mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE,
opts->sb_pool_size);
if (opts->present & DL_OPT_SB_TYPE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE,
opts->sb_pool_type);
if (opts->present & DL_OPT_SB_THTYPE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,
opts->sb_pool_thtype);
if (opts->present & DL_OPT_SB_TH)
mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD,
opts->sb_threshold);
if (opts->present & DL_OPT_SB_TC)
mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX,
opts->sb_tc_index);
if (opts->present & DL_OPT_ESWITCH_MODE)
mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
opts->eswitch_mode);
if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
opts->eswitch_inline_mode);
if (opts->present & DL_OPT_DPIPE_TABLE_NAME)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME,
opts->dpipe_table_name);
if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,
opts->dpipe_counters_enable);
if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
opts->eswitch_encap_mode);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
uint32_t o_required, uint32_t o_optional)
{
int err;
err = dl_argv_parse(dl, o_required, o_optional);
if (err)
return err;
dl_opts_put(nlh, dl);
return 0;
}
static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
{
struct dl_opts *opts = &dl->opts;
struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME];
struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME];
struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX];
struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX];
if (opts->present & DL_OPT_HANDLE &&
attr_bus_name && attr_dev_name) {
const char *bus_name = mnl_attr_get_str(attr_bus_name);
const char *dev_name = mnl_attr_get_str(attr_dev_name);
if (strcmp(bus_name, opts->bus_name) != 0 ||
strcmp(dev_name, opts->dev_name) != 0)
return false;
}
if (opts->present & DL_OPT_HANDLEP &&
attr_bus_name && attr_dev_name && attr_port_index) {
const char *bus_name = mnl_attr_get_str(attr_bus_name);
const char *dev_name = mnl_attr_get_str(attr_dev_name);
uint32_t port_index = mnl_attr_get_u32(attr_port_index);
if (strcmp(bus_name, opts->bus_name) != 0 ||
strcmp(dev_name, opts->dev_name) != 0 ||
port_index != opts->port_index)
return false;
}
if (opts->present & DL_OPT_SB && attr_sb_index) {
uint32_t sb_index = mnl_attr_get_u32(attr_sb_index);
if (sb_index != opts->sb_index)
return false;
}
return true;
}
static void cmd_dev_help(void)
{
pr_err("Usage: devlink dev show [ DEV ]\n");
pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
pr_err(" [ inline-mode { none | link | network | transport } ]\n");
pr_err(" [ encap { disable | enable } ]\n");
pr_err(" devlink dev eswitch show DEV\n");
}
static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
const char *dev_name)
{
if (!dl->arr_last.present)
return false;
return strcmp(dl->arr_last.bus_name, bus_name) == 0 &&
strcmp(dl->arr_last.dev_name, dev_name) == 0;
}
static void arr_last_handle_set(struct dl *dl, const char *bus_name,
const char *dev_name)
{
dl->arr_last.present = true;
free(dl->arr_last.dev_name);
free(dl->arr_last.bus_name);
dl->arr_last.bus_name = strdup(bus_name);
dl->arr_last.dev_name = strdup(dev_name);
}
static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name,
const char *dev_name)
{
return !cmp_arr_last_handle(dl, bus_name, dev_name);
}
static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name,
const char *dev_name)
{
return dl->arr_last.present &&
!cmp_arr_last_handle(dl, bus_name, dev_name);
}
static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb,
bool content, bool array)
{
const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
char buf[32];
sprintf(buf, "%s/%s", bus_name, dev_name);
if (dl->json_output) {
if (array) {
if (should_arr_last_handle_end(dl, bus_name, dev_name))
jsonw_end_array(dl->jw);
if (should_arr_last_handle_start(dl, bus_name,
dev_name)) {
jsonw_name(dl->jw, buf);
jsonw_start_array(dl->jw);
jsonw_start_object(dl->jw);
arr_last_handle_set(dl, bus_name, dev_name);
} else {
jsonw_start_object(dl->jw);
}
} else {
jsonw_name(dl->jw, buf);
jsonw_start_object(dl->jw);
}
} else {
if (array) {
if (should_arr_last_handle_end(dl, bus_name, dev_name))
__pr_out_indent_dec();
if (should_arr_last_handle_start(dl, bus_name,
dev_name)) {
pr_out("%s%s", buf, content ? ":" : "");
__pr_out_newline();
__pr_out_indent_inc();
arr_last_handle_set(dl, bus_name, dev_name);
}
} else {
pr_out("%s%s", buf, content ? ":" : "");
}
}
}
static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb)
{
__pr_out_handle_start(dl, tb, true, true);
}
static void pr_out_handle_end(struct dl *dl)
{
if (dl->json_output)
jsonw_end_object(dl->jw);
else
__pr_out_newline();
}
static void pr_out_handle(struct dl *dl, struct nlattr **tb)
{
__pr_out_handle_start(dl, tb, false, false);
pr_out_handle_end(dl);
}
static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name,
const char *dev_name, uint32_t port_index)
{
return cmp_arr_last_handle(dl, bus_name, dev_name) &&
dl->arr_last.port_index == port_index;
}
static void arr_last_port_handle_set(struct dl *dl, const char *bus_name,
const char *dev_name, uint32_t port_index)
{
arr_last_handle_set(dl, bus_name, dev_name);
dl->arr_last.port_index = port_index;
}
static bool should_arr_last_port_handle_start(struct dl *dl,
const char *bus_name,
const char *dev_name,
uint32_t port_index)
{
return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
}
static bool should_arr_last_port_handle_end(struct dl *dl,
const char *bus_name,
const char *dev_name,
uint32_t port_index)
{
return dl->arr_last.present &&
!cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index);
}
static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name,
const char *dev_name,
uint32_t port_index, bool try_nice,
bool array)
{
static char buf[32];
char *ifname = NULL;
if (dl->no_nice_names || !try_nice ||
ifname_map_rev_lookup(dl, bus_name, dev_name,
port_index, &ifname) != 0)
sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index);
else
sprintf(buf, "%s", ifname);
if (dl->json_output) {
if (array) {
if (should_arr_last_port_handle_end(dl, bus_name,
dev_name,
port_index))
jsonw_end_array(dl->jw);
if (should_arr_last_port_handle_start(dl, bus_name,
dev_name,
port_index)) {
jsonw_name(dl->jw, buf);
jsonw_start_array(dl->jw);
jsonw_start_object(dl->jw);
arr_last_port_handle_set(dl, bus_name, dev_name,
port_index);
} else {
jsonw_start_object(dl->jw);
}
} else {
jsonw_name(dl->jw, buf);
jsonw_start_object(dl->jw);
}
} else {
pr_out("%s:", buf);
}
}
static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice)
{
const char *bus_name;
const char *dev_name;
uint32_t port_index;
bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
__pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false);
}
static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice)
{
const char *bus_name;
const char *dev_name;
uint32_t port_index;
bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
__pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true);
}
static void pr_out_port_handle_end(struct dl *dl)
{
if (dl->json_output)
jsonw_end_object(dl->jw);
else
pr_out("\n");
}
static void pr_out_str(struct dl *dl, const char *name, const char *val)
{
if (dl->json_output) {
jsonw_string_field(dl->jw, name, val);
} else {
if (g_indent_newline)
pr_out("%s %s", name, val);
else
pr_out(" %s %s", name, val);
}
}
static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
{
if (dl->json_output) {
jsonw_uint_field(dl->jw, name, val);
} else {
if (g_indent_newline)
pr_out("%s %u", name, val);
else
pr_out(" %s %u", name, val);
}
}
static void pr_out_dev(struct dl *dl, struct nlattr **tb)
{
pr_out_handle(dl, tb);
}
static void pr_out_section_start(struct dl *dl, const char *name)
{
if (dl->json_output) {
jsonw_start_object(dl->jw);
jsonw_name(dl->jw, name);
jsonw_start_object(dl->jw);
}
}
static void pr_out_section_end(struct dl *dl)
{
if (dl->json_output) {
if (dl->arr_last.present)
jsonw_end_array(dl->jw);
jsonw_end_object(dl->jw);
jsonw_end_object(dl->jw);
}
}
static void pr_out_array_start(struct dl *dl, const char *name)
{
if (dl->json_output) {
jsonw_name(dl->jw, name);
jsonw_start_array(dl->jw);
} else {
if (!g_indent_newline)
__pr_out_newline();
pr_out("%s:", name);
__pr_out_newline();
__pr_out_indent_inc();
}
}
static void pr_out_array_end(struct dl *dl)
{
if (dl->json_output)
jsonw_end_array(dl->jw);
else
__pr_out_indent_dec();
}
static void pr_out_entry_start(struct dl *dl)
{
if (dl->json_output)
jsonw_start_object(dl->jw);
}
static void pr_out_entry_end(struct dl *dl)
{
if (dl->json_output)
jsonw_end_object(dl->jw);
else
__pr_out_newline();
}
static const char *eswitch_mode_name(uint32_t mode)
{
switch (mode) {
case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY;
case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV;
default: return "<unknown mode>";
}
}
static const char *eswitch_inline_mode_name(uint32_t mode)
{
switch (mode) {
case DEVLINK_ESWITCH_INLINE_MODE_NONE:
return ESWITCH_INLINE_MODE_NONE;
case DEVLINK_ESWITCH_INLINE_MODE_LINK:
return ESWITCH_INLINE_MODE_LINK;
case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
return ESWITCH_INLINE_MODE_NETWORK;
case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
return ESWITCH_INLINE_MODE_TRANSPORT;
default:
return "<unknown mode>";
}
}
static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
{
__pr_out_handle_start(dl, tb, true, false);
if (tb[DEVLINK_ATTR_ESWITCH_MODE])
pr_out_str(dl, "mode",
eswitch_mode_name(mnl_attr_get_u16(tb[DEVLINK_ATTR_ESWITCH_MODE])));
if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])
pr_out_str(dl, "inline-mode",
eswitch_inline_mode_name(mnl_attr_get_u8(
tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
bool encap_mode = !!mnl_attr_get_u8(tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
pr_out_str(dl, "encap", encap_mode ? "enable" : "disable");
}
pr_out_handle_end(dl);
}
static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
return MNL_CB_ERROR;
pr_out_eswitch(dl, tb);
return MNL_CB_OK;
}
static int cmd_dev_eswitch_show(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_GET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
if (err)
return err;
pr_out_section_start(dl, "dev");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_dev_eswitch_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
DL_OPT_ESWITCH_MODE |
DL_OPT_ESWITCH_INLINE_MODE |
DL_OPT_ESWITCH_ENCAP_MODE);
if (err)
return err;
if (dl->opts.present == 1) {
pr_err("Need to set at least one option\n");
return -ENOENT;
}
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_dev_eswitch(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_dev_help();
return 0;
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_dev_eswitch_set(dl);
} else if (dl_argv_match(dl, "show")) {
dl_arg_inc(dl);
return cmd_dev_eswitch_show(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
return MNL_CB_ERROR;
pr_out_dev(dl, tb);
return MNL_CB_OK;
}
static int cmd_dev_show(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
if (err)
return err;
}
pr_out_section_start(dl, "dev");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_dev(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_dev_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list") || dl_no_arg(dl)) {
dl_arg_inc(dl);
return cmd_dev_show(dl);
} else if (dl_argv_match(dl, "eswitch")) {
dl_arg_inc(dl);
return cmd_dev_eswitch(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void cmd_port_help(void)
{
pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
}
static const char *port_type_name(uint32_t type)
{
switch (type) {
case DEVLINK_PORT_TYPE_NOTSET: return "notset";
case DEVLINK_PORT_TYPE_AUTO: return "auto";
case DEVLINK_PORT_TYPE_ETH: return "eth";
case DEVLINK_PORT_TYPE_IB: return "ib";
default: return "<unknown type>";
}
}
static void pr_out_port(struct dl *dl, struct nlattr **tb)
{
struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE];
pr_out_port_handle_start(dl, tb, false);
if (pt_attr) {
uint16_t port_type = mnl_attr_get_u16(pt_attr);
pr_out_str(dl, "type", port_type_name(port_type));
if (dpt_attr) {
uint16_t des_port_type = mnl_attr_get_u16(dpt_attr);
if (port_type != des_port_type)
pr_out_str(dl, "des_type",
port_type_name(des_port_type));
}
}
if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME])
pr_out_str(dl, "netdev",
mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME])
pr_out_str(dl, "ibdev",
mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
pr_out_uint(dl, "split_group",
mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
pr_out_port_handle_end(dl);
}
static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PORT_INDEX])
return MNL_CB_ERROR;
pr_out_port(dl, tb);
return MNL_CB_OK;
}
static int cmd_port_show(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
if (err)
return err;
}
pr_out_section_start(dl, "port");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_port_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_port_split(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_port_unsplit(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_port(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_port_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list") || dl_no_arg(dl)) {
dl_arg_inc(dl);
return cmd_port_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_port_set(dl);
} else if (dl_argv_match(dl, "split")) {
dl_arg_inc(dl);
return cmd_port_split(dl);
} else if (dl_argv_match(dl, "unsplit")) {
dl_arg_inc(dl);
return cmd_port_unsplit(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void cmd_sb_help(void)
{
pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
pr_err(" size POOL_SIZE thtype { static | dynamic }\n");
pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
pr_err(" pool POOL_INDEX ]\n");
pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
pr_err(" pool POOL_INDEX th THRESHOLD\n");
pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
pr_err(" type { ingress | egress } ]\n");
pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
pr_err(" type { ingress | egress } pool POOL_INDEX\n");
pr_err(" th THRESHOLD\n");
pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n");
pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n");
pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n");
}
static void pr_out_sb(struct dl *dl, struct nlattr **tb)
{
pr_out_handle_start_arr(dl, tb);
pr_out_uint(dl, "sb",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
pr_out_uint(dl, "size",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
pr_out_uint(dl, "ing_pools",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
pr_out_uint(dl, "eg_pools",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
pr_out_uint(dl, "ing_tcs",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
pr_out_uint(dl, "eg_tcs",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
pr_out_handle_end(dl);
}
static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] ||
!tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] ||
!tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] ||
!tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] ||
!tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])
return MNL_CB_ERROR;
pr_out_sb(dl, tb);
return MNL_CB_OK;
}
static int cmd_sb_show(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
if (err)
return err;
}
pr_out_section_start(dl, "sb");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static const char *pool_type_name(uint8_t type)
{
switch (type) {
case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress";
case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress";
default: return "<unknown type>";
}
}
static const char *threshold_type_name(uint8_t type)
{
switch (type) {
case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static";
case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic";
default: return "<unknown type>";
}
}
static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
{
pr_out_handle_start_arr(dl, tb);
pr_out_uint(dl, "sb",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
pr_out_uint(dl, "pool",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
pr_out_str(dl, "type",
pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
pr_out_uint(dl, "size",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
pr_out_str(dl, "thtype",
threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
pr_out_handle_end(dl);
}
static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
!tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] ||
!tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])
return MNL_CB_ERROR;
pr_out_sb_pool(dl, tb);
return MNL_CB_OK;
}
static int cmd_sb_pool_show(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL,
DL_OPT_SB);
if (err)
return err;
}
pr_out_section_start(dl, "pool");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_sb_pool_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL |
DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_sb_pool(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list") || dl_no_arg(dl)) {
dl_arg_inc(dl);
return cmd_sb_pool_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_sb_pool_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb)
{
pr_out_port_handle_start_arr(dl, tb, true);
pr_out_uint(dl, "sb",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
pr_out_uint(dl, "pool",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
pr_out_uint(dl, "threshold",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
pr_out_port_handle_end(dl);
}
static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
!tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
return MNL_CB_ERROR;
pr_out_sb_port_pool(dl, tb);
return MNL_CB_OK;
}
static int cmd_sb_port_pool_show(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLEP | DL_OPT_SB_POOL,
DL_OPT_SB);
if (err)
return err;
}
pr_out_section_start(dl, "port_pool");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
pr_out_section_end(dl);
return 0;
}
static int cmd_sb_port_pool_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL |
DL_OPT_SB_TH, DL_OPT_SB);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_sb_port_pool(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list") || dl_no_arg(dl)) {
dl_arg_inc(dl);
return cmd_sb_port_pool_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_sb_port_pool_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_sb_port(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "pool")) {
dl_arg_inc(dl);
return cmd_sb_port_pool(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb)
{
pr_out_port_handle_start_arr(dl, tb, true);
pr_out_uint(dl, "sb",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
pr_out_uint(dl, "tc",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
pr_out_str(dl, "type",
pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
pr_out_uint(dl, "pool",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
pr_out_uint(dl, "threshold",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
pr_out_port_handle_end(dl);
}
static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
!tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
!tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD])
return MNL_CB_ERROR;
pr_out_sb_tc_bind(dl, tb);
return MNL_CB_OK;
}
static int cmd_sb_tc_bind_show(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
DL_OPT_SB_TYPE, DL_OPT_SB);
if (err)
return err;
}
pr_out_section_start(dl, "tc_bind");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_sb_tc_bind_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC |
DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH,
DL_OPT_SB);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_sb_tc_bind(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list") || dl_no_arg(dl)) {
dl_arg_inc(dl);
return cmd_sb_tc_bind_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_sb_tc_bind_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_sb_tc(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "bind")) {
dl_arg_inc(dl);
return cmd_sb_tc_bind(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
struct occ_item {
struct list_head list;
uint32_t index;
uint32_t cur;
uint32_t max;
uint32_t bound_pool_index;
};
struct occ_port {
struct list_head list;
char *bus_name;
char *dev_name;
uint32_t port_index;
uint32_t sb_index;
struct list_head pool_list;
struct list_head ing_tc_list;
struct list_head eg_tc_list;
};
struct occ_show {
struct dl *dl;
int err;
struct list_head port_list;
};
static struct occ_item *occ_item_alloc(void)
{
return calloc(1, sizeof(struct occ_item));
}
static void occ_item_free(struct occ_item *occ_item)
{
free(occ_item);
}
static struct occ_port *occ_port_alloc(uint32_t port_index)
{
struct occ_port *occ_port;
occ_port = calloc(1, sizeof(*occ_port));
if (!occ_port)
return NULL;
occ_port->port_index = port_index;
INIT_LIST_HEAD(&occ_port->pool_list);
INIT_LIST_HEAD(&occ_port->ing_tc_list);
INIT_LIST_HEAD(&occ_port->eg_tc_list);
return occ_port;
}
static void occ_port_free(struct occ_port *occ_port)
{
struct occ_item *occ_item, *tmp;
list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list)
occ_item_free(occ_item);
list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list)
occ_item_free(occ_item);
list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list)
occ_item_free(occ_item);
}
static struct occ_show *occ_show_alloc(struct dl *dl)
{
struct occ_show *occ_show;
occ_show = calloc(1, sizeof(*occ_show));
if (!occ_show)
return NULL;
occ_show->dl = dl;
INIT_LIST_HEAD(&occ_show->port_list);
return occ_show;
}
static void occ_show_free(struct occ_show *occ_show)
{
struct occ_port *occ_port, *tmp;
list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list)
occ_port_free(occ_port);
}
static struct occ_port *occ_port_get(struct occ_show *occ_show,
struct nlattr **tb)
{
struct occ_port *occ_port;
uint32_t port_index;
port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]);
list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) {
if (occ_port->port_index == port_index)
return occ_port;
}
occ_port = occ_port_alloc(port_index);
if (!occ_port)
return NULL;
list_add_tail(&occ_port->list, &occ_show->port_list);
return occ_port;
}
static void pr_out_occ_show_item_list(const char *label, struct list_head *list,
bool bound_pool)
{
struct occ_item *occ_item;
int i = 1;
pr_out_sp(7, " %s:", label);
list_for_each_entry(occ_item, list, list) {
if ((i - 1) % 4 == 0 && i != 1)
pr_out_sp(7, " ");
if (bound_pool)
pr_out_sp(7, "%2u(%u):", occ_item->index,
occ_item->bound_pool_index);
else
pr_out_sp(7, "%2u:", occ_item->index);
pr_out_sp(15, "%7u/%u", occ_item->cur, occ_item->max);
if (i++ % 4 == 0)
pr_out("\n");
}
if ((i - 1) % 4 != 0)
pr_out("\n");
}
static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label,
struct list_head *list,
bool bound_pool)
{
struct occ_item *occ_item;
char buf[32];
jsonw_name(dl->jw, label);
jsonw_start_object(dl->jw);
list_for_each_entry(occ_item, list, list) {
sprintf(buf, "%u", occ_item->index);
jsonw_name(dl->jw, buf);
jsonw_start_object(dl->jw);
if (bound_pool)
jsonw_uint_field(dl->jw, "bound_pool",
occ_item->bound_pool_index);
jsonw_uint_field(dl->jw, "current", occ_item->cur);
jsonw_uint_field(dl->jw, "max", occ_item->max);
jsonw_end_object(dl->jw);
}
jsonw_end_object(dl->jw);
}
static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port)
{
if (dl->json_output) {
pr_out_json_occ_show_item_list(dl, "pool",
&occ_port->pool_list, false);
pr_out_json_occ_show_item_list(dl, "itc",
&occ_port->ing_tc_list, true);
pr_out_json_occ_show_item_list(dl, "etc",
&occ_port->eg_tc_list, true);
} else {
pr_out("\n");
pr_out_occ_show_item_list("pool", &occ_port->pool_list, false);
pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true);
pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true);
}
}
static void pr_out_occ_show(struct occ_show *occ_show)
{
struct dl *dl = occ_show->dl;
struct dl_opts *opts = &dl->opts;
struct occ_port *occ_port;
list_for_each_entry(occ_port, &occ_show->port_list, list) {
__pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name,
occ_port->port_index, true, false);
pr_out_occ_show_port(dl, occ_port);
pr_out_port_handle_end(dl);
}
}
static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show,
struct nlattr **tb)
{
struct occ_port *occ_port;
struct occ_item *occ_item;
if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
return;
occ_port = occ_port_get(occ_show, tb);
if (!occ_port) {
occ_show->err = -ENOMEM;
return;
}
occ_item = occ_item_alloc();
if (!occ_item) {
occ_show->err = -ENOMEM;
return;
}
occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
list_add_tail(&occ_item->list, &occ_port->pool_list);
}
static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data)
{
struct occ_show *occ_show = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
!tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
!tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
return MNL_CB_ERROR;
cmd_sb_occ_port_pool_process(occ_show, tb);
return MNL_CB_OK;
}
static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show,
struct nlattr **tb)
{
struct occ_port *occ_port;
struct occ_item *occ_item;
uint8_t pool_type;
if (occ_show->err || !dl_dump_filter(occ_show->dl, tb))
return;
occ_port = occ_port_get(occ_show, tb);
if (!occ_port) {
occ_show->err = -ENOMEM;
return;
}
occ_item = occ_item_alloc();
if (!occ_item) {
occ_show->err = -ENOMEM;
return;
}
occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]);
occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]);
occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]);
occ_item->bound_pool_index =
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]);
pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]);
if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS)
list_add_tail(&occ_item->list, &occ_port->ing_tc_list);
else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS)
list_add_tail(&occ_item->list, &occ_port->eg_tc_list);
else
occ_item_free(occ_item);
}
static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data)
{
struct occ_show *occ_show = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] ||
!tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] ||
!tb[DEVLINK_ATTR_SB_POOL_INDEX] ||
!tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX])
return MNL_CB_ERROR;
cmd_sb_occ_tc_pool_process(occ_show, tb);
return MNL_CB_OK;
}
static int cmd_sb_occ_show(struct dl *dl)
{
struct nlmsghdr *nlh;
struct occ_show *occ_show;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP;
int err;
err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB);
if (err)
return err;
occ_show = occ_show_alloc(dl);
if (!occ_show)
return -ENOMEM;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
err = _mnlg_socket_sndrcv(dl->nlg, nlh,
cmd_sb_occ_port_pool_process_cb, occ_show);
if (err)
goto out;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
err = _mnlg_socket_sndrcv(dl->nlg, nlh,
cmd_sb_occ_tc_pool_process_cb, occ_show);
if (err)
goto out;
pr_out_section_start(dl, "occupancy");
pr_out_occ_show(occ_show);
pr_out_section_end(dl);
out:
occ_show_free(occ_show);
return err;
}
static int cmd_sb_occ_snapshot(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_sb_occ_clearmax(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_sb_occ(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list")) {
dl_arg_inc(dl);
return cmd_sb_occ_show(dl);
} else if (dl_argv_match(dl, "snapshot")) {
dl_arg_inc(dl);
return cmd_sb_occ_snapshot(dl);
} else if (dl_argv_match(dl, "clearmax")) {
dl_arg_inc(dl);
return cmd_sb_occ_clearmax(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_sb(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_sb_help();
return 0;
} else if (dl_argv_match(dl, "show") ||
dl_argv_match(dl, "list") || dl_no_arg(dl)) {
dl_arg_inc(dl);
return cmd_sb_show(dl);
} else if (dl_argv_match(dl, "pool")) {
dl_arg_inc(dl);
return cmd_sb_pool(dl);
} else if (dl_argv_match(dl, "port")) {
dl_arg_inc(dl);
return cmd_sb_port(dl);
} else if (dl_argv_match(dl, "tc")) {
dl_arg_inc(dl);
return cmd_sb_tc(dl);
} else if (dl_argv_match(dl, "occupancy")) {
dl_arg_inc(dl);
return cmd_sb_occ(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static const char *cmd_name(uint8_t cmd)
{
switch (cmd) {
case DEVLINK_CMD_UNSPEC: return "unspec";
case DEVLINK_CMD_GET: return "get";
case DEVLINK_CMD_SET: return "set";
case DEVLINK_CMD_NEW: return "new";
case DEVLINK_CMD_DEL: return "del";
case DEVLINK_CMD_PORT_GET: return "get";
case DEVLINK_CMD_PORT_SET: return "set";
case DEVLINK_CMD_PORT_NEW: return "net";
case DEVLINK_CMD_PORT_DEL: return "del";
default: return "<unknown cmd>";
}
}
static const char *cmd_obj(uint8_t cmd)
{
switch (cmd) {
case DEVLINK_CMD_UNSPEC: return "unspec";
case DEVLINK_CMD_GET:
case DEVLINK_CMD_SET:
case DEVLINK_CMD_NEW:
case DEVLINK_CMD_DEL:
return "dev";
case DEVLINK_CMD_PORT_GET:
case DEVLINK_CMD_PORT_SET:
case DEVLINK_CMD_PORT_NEW:
case DEVLINK_CMD_PORT_DEL:
return "port";
default: return "<unknown obj>";
}
}
static void pr_out_mon_header(uint8_t cmd)
{
pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
}
static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
{
const char *obj = cmd_obj(cmd);
unsigned int index = 0;
const char *cur_obj;
if (dl_no_arg(dl))
return true;
while ((cur_obj = dl_argv_index(dl, index++))) {
if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0)
return true;
}
return false;
}
static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct