/*
* 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 <stdarg.h>
#include <string.h>
#include <stdbool.h>
#include <unistd.h>
#include <getopt.h>
#include <limits.h>
#include <errno.h>
#include <inttypes.h>
#include <signal.h>
#include <time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/sysinfo.h>
#define _LINUX_SYSINFO_H /* avoid collision with musl header */
#include <linux/genetlink.h>
#include <linux/devlink.h>
#include <linux/netlink.h>
#include <libmnl/libmnl.h>
#include <netinet/ether.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <rt_names.h>
#include "version.h"
#include "list.h"
#include "mnlg.h"
#include "json_print.h"
#include "utils.h"
#include "namespace.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 ESWITCH_ENCAP_MODE_NONE "none"
#define ESWITCH_ENCAP_MODE_BASIC "basic"
#define PARAM_CMODE_RUNTIME_STR "runtime"
#define PARAM_CMODE_DRIVERINIT_STR "driverinit"
#define PARAM_CMODE_PERMANENT_STR "permanent"
#define DL_ARGS_REQUIRED_MAX_ERR_LEN 80
#define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy"
#define HEALTH_REPORTER_STATE_ERROR_STR "error"
#define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80
static int g_new_line_count;
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 __attribute__((format(printf, 1, 2)))
pr_err(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
static void __attribute__((format(printf, 1, 2)))
pr_out(const char *fmt, ...)
{
va_list ap;
if (g_indent_newline) {
printf("%s", g_indent_str);
g_indent_newline = false;
}
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
g_new_line_count = 0;
}
static void __attribute__((format(printf, 2, 3)))
pr_out_sp(unsigned int num, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
ret = vprintf(fmt, ap);
va_end(ap);
if (ret < num)
printf("%*s", num - ret, "");
g_new_line_count = 0; \
}
static void __attribute__((format(printf, 1, 2)))
pr_out_tty(const char *fmt, ...)
{
va_list ap;
if (!isatty(STDOUT_FILENO))
return;
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
}
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)
{
if (g_new_line_count < 1) {
pr_out("\n");
g_indent_newline = true;
}
g_new_line_count++;
}
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 void dummy_signal_handler(int signum)
{
}
static int _mnlg_socket_recv_run_intr(struct mnlg_socket *nlg,
mnl_cb_t data_cb, void *data)
{
struct sigaction act, oact;
int err;
act.sa_handler = dummy_signal_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_NODEFER;
sigaction(SIGINT, &act, &oact);
err = mnlg_socket_recv_run(nlg, data_cb, data);
sigaction(SIGINT, &oact, NULL);
if (err < 0 && errno != EINTR) {
pr_err("devlink answers: %s\n", strerror(errno));
return -errno;
}
return 0;
}
static int _mnlg_socket_send(struct mnlg_socket *nlg,
const struct nlmsghdr *nlh)
{
int err;
err = mnlg_socket_send(nlg, nlh);
if (err < 0) {
pr_err("Failed to call mnlg_socket_send\n");
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)
return err;
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)
#define DL_OPT_RESOURCE_PATH BIT(16)
#define DL_OPT_RESOURCE_SIZE BIT(17)
#define DL_OPT_PARAM_NAME BIT(18)
#define DL_OPT_PARAM_VALUE BIT(19)
#define DL_OPT_PARAM_CMODE BIT(20)
#define DL_OPT_HANDLE_REGION BIT(21)
#define DL_OPT_REGION_SNAPSHOT_ID BIT(22)
#define DL_OPT_REGION_ADDRESS BIT(23)
#define DL_OPT_REGION_LENGTH BIT(24)
#define DL_OPT_FLASH_FILE_NAME BIT(25)
#define DL_OPT_FLASH_COMPONENT BIT(26)
#define DL_OPT_HEALTH_REPORTER_NAME BIT(27)
#define DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD BIT(28)
#define DL_OPT_HEALTH_REPORTER_AUTO_RECOVER BIT(29)
#define DL_OPT_TRAP_NAME BIT(30)
#define DL_OPT_TRAP_ACTION BIT(31)
#define DL_OPT_TRAP_GROUP_NAME BIT(32)
#define DL_OPT_NETNS BIT(33)
#define DL_OPT_TRAP_POLICER_ID BIT(34)
#define DL_OPT_TRAP_POLICER_RATE BIT(35)
#define DL_OPT_TRAP_POLICER_BURST BIT(36)
#define DL_OPT_HEALTH_REPORTER_AUTO_DUMP BIT(37)
#define DL_OPT_PORT_FUNCTION_HW_ADDR BIT(38)
struct dl_opts {
uint64_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_enabled;
enum devlink_eswitch_encap_mode eswitch_encap_mode;
const char *resource_path;
uint64_t resource_size;
uint32_t resource_id;
bool resource_id_valid;
const char *param_name;
const char *param_value;
enum devlink_param_cmode cmode;
char *region_name;
uint32_t region_snapshot_id;
uint64_t region_address;
uint64_t region_length;
const char *flash_file_name;
const char *flash_component;
const char *reporter_name;
uint64_t reporter_graceful_period;
bool reporter_auto_recover;
bool reporter_auto_dump;
const char *trap_name;
const char *trap_group_name;
enum devlink_trap_action trap_action;
bool netns_is_pid;
uint32_t netns;
uint32_t trap_policer_id;
uint64_t trap_policer_rate;
uint64_t trap_policer_burst;
char port_function_hw_addr[MAX_ADDR_LEN];
uint32_t port_function_hw_addr_len;
};
struct dl {
struct mnlg_socket *nlg;
struct list_head ifname_map_list;
int argc;
char **argv;
bool no_nice_names;
struct dl_opts opts;
bool json_output;
bool pretty_output;
bool verbose;
bool stats;
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 void dl_arg_dec(struct dl *dl)
{
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 void __pr_out_indent_newline(struct dl *dl)
{
if (!g_indent_newline && !dl->json_output)
pr_out(" ");
}
static bool is_binary_eol(int i)
{
return !(i%16);
}
static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len)
{
int i = 0;
while (i < len) {
if (dl->json_output)
print_int(PRINT_JSON, NULL, NULL, data[i]);
else
pr_out("%02x ", data[i]);
i++;
if (!dl->json_output && is_binary_eol(i))
__pr_out_newline();
}
if (!dl->json_output && !is_binary_eol(i))
__pr_out_newline();
}
static void pr_out_name(struct dl *dl, const char *name)
{
__pr_out_indent_newline(dl);
if (dl->json_output)
print_string(PRINT_JSON, name, NULL, NULL);
else
pr_out("%s:", name);
}
static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
{
__pr_out_indent_newline(dl);
if (val == (uint64_t) -1)
return print_string_name_value(name, "unlimited");
if (dl->json_output)
print_u64(PRINT_JSON, name, NULL, val);
else
pr_out("%s %"PRIu64, name, val);
}
static void pr_out_section_start(struct dl *dl, const char *name)
{
if (dl->json_output) {
open_json_object(NULL);
open_json_object(name);
}
}
static void pr_out_section_end(struct dl *dl)
{
if (dl->json_output) {
if (dl->arr_last.present)
close_json_array(PRINT_JSON, NULL);
close_json_object();
close_json_object();
}
}
static void pr_out_array_start(struct dl *dl, const char *name)
{
if (dl->json_output) {
open_json_array(PRINT_JSON, name);
} else {
__pr_out_indent_inc();
__pr_out_newline();
pr_out("%s:", name);
__pr_out_indent_inc();
__pr_out_newline();
}
}
static void pr_out_array_end(struct dl *dl)
{
if (dl->json_output) {
close_json_array(PRINT_JSON, NULL);
} else {
__pr_out_indent_dec();
__pr_out_indent_dec();
}
}
static void pr_out_object_start(struct dl *dl, const char *name)
{
if (dl->json_output) {
open_json_object(name);
} else {
__pr_out_indent_inc();
__pr_out_newline();
pr_out("%s:", name);
__pr_out_indent_inc();
__pr_out_newline();
}
}
static void pr_out_object_end(struct dl *dl)
{
if (dl->json_output) {
close_json_object();
} else {
__pr_out_indent_dec();
__pr_out_indent_dec();
}
}
static void pr_out_entry_start(struct dl *dl)
{
if (dl->json_output)
open_json_object(NULL);
}
static void pr_out_entry_end(struct dl *dl)
{
if (dl->json_output)
close_json_object();
else
__pr_out_newline();
}
static void check_indent_newline(struct dl *dl)
{
__pr_out_indent_newline(dl);
if (g_indent_newline && !is_json_context()) {
printf("%s", g_indent_str);
g_indent_newline = false;
}
g_new_line_count = 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_PORT_LANES] = MNL_TYPE_U32,
[DEVLINK_ATTR_PORT_SPLITTABLE] = MNL_TYPE_U8,
[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,
[DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8,
[DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8,
[DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64,
[DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32,
[DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY,
[DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64,
[DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64,
[DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING,
[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER] = MNL_TYPE_STRING,
[DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING,
[DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8,
[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64,
[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64,
[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64,
[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64,
[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = MNL_TYPE_STRING,
[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG] = MNL_TYPE_STRING,
[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE] = MNL_TYPE_U64,
[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL] = MNL_TYPE_U64,
[DEVLINK_ATTR_STATS] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_TRAP_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_TRAP_ACTION] = MNL_TYPE_U8,
[DEVLINK_ATTR_TRAP_TYPE] = MNL_TYPE_U8,
[DEVLINK_ATTR_TRAP_GENERIC] = MNL_TYPE_FLAG,
[DEVLINK_ATTR_TRAP_METADATA] = MNL_TYPE_NESTED,
[DEVLINK_ATTR_TRAP_GROUP_NAME] = MNL_TYPE_STRING,
[DEVLINK_ATTR_RELOAD_FAILED] = MNL_TYPE_U8,
[DEVLINK_ATTR_TRAP_POLICER_ID] = MNL_TYPE_U32,
[DEVLINK_ATTR_TRAP_POLICER_RATE] = MNL_TYPE_U64,
[DEVLINK_ATTR_TRAP_POLICER_BURST] = MNL_TYPE_U64,
};
static const enum mnl_attr_data_type
devlink_stats_policy[DEVLINK_ATTR_STATS_MAX + 1] = {
[DEVLINK_ATTR_STATS_RX_PACKETS] = MNL_TYPE_U64,
[DEVLINK_ATTR_STATS_RX_BYTES] = MNL_TYPE_U64,
[DEVLINK_ATTR_STATS_RX_DROPPED] = MNL_TYPE_U64,
};
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_OK;
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 attr_stats_cb(const struct nlattr *attr, void *data)
{
const struct nlattr **tb = data;
int type;
/* Allow the tool to work on top of newer kernels that might contain
* more attributes.
*/
if (mnl_attr_type_valid(attr, DEVLINK_ATTR_STATS_MAX) < 0)
return MNL_CB_OK;
type = mnl_attr_get_type(attr);
if (mnl_attr_validate(attr, devlink_stats_policy[type]) < 0)
return MNL_CB_ERROR;
tb[type] = attr;
return MNL_CB_OK;
}
static const enum mnl_attr_data_type
devlink_function_policy[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = {
[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR ] = MNL_TYPE_BINARY,
};
static int function_attr_cb(const struct nlattr *attr, void *data)
{
const struct nlattr **tb = data;
int type;
/* Allow the tool to work on top of newer kernels that might contain
* more attributes.
*/
if (mnl_attr_type_valid(attr, DEVLINK_PORT_FUNCTION_ATTR_MAX) < 0)
return MNL_CB_OK;
type = mnl_attr_get_type(attr);
if (mnl_attr_validate(attr, devlink_function_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 strtouint64_t(const char *str, uint64_t *p_val)
{
char *endptr;
unsigned long long int val;
val = strtoull(str, &endptr, 10);
if (endptr == str || *endptr != '\0')
return -EINVAL;
if (val > ULONG_MAX)
return -ERANGE;
*p_val = val;
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 strtouint8_t(const char *str, uint8_t *p_val)
{
char *endptr;
unsigned long int val;
val = strtoul(str, &endptr, 10);
if (endptr == str || *endptr != '\0')
return -EINVAL;
if (val > UCHAR_MAX)
return -ERANGE;
*p_val = val;
return 0;
}
static int strtobool(const char *str, bool *p_val)
{
bool val;
if (!strcmp(str, "true") || !strcmp(str, "1") ||
!strcmp(str, "enable"))
val = true;
else if (!strcmp(str, "false") || !strcmp(str, "0") ||
!strcmp(str, "disable"))
val = false;
else
return -EINVAL;
*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,
uint64_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_handle_region(char *str, char **p_bus_name,
char **p_dev_name, char **p_region)
{
char *handlestr;
int err;
err = strslashrsplit(str, &handlestr, p_region);
if (err) {
pr_err("Region identification \"%s\" is invalid\n", str);
return err;
}
err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
if (err) {
pr_err("Region identification \"%s\" is invalid\n", str);
return err;
}
return 0;
}
static int dl_argv_handle_region(struct dl *dl, char **p_bus_name,
char **p_dev_name, char **p_region)
{
char *str = dl_argv_next(dl);
unsigned int slash_count;
if (!str) {
pr_err("Expected \"bus_name/dev_name/region\" identification.\n");
return -EINVAL;
}
slash_count = strslashcount(str);
if (slash_count != 2) {
pr_err("Wrong region identification string format.\n");
pr_err("Expected \"bus_name/dev_name/region\" identification.\n"".\n");
return -EINVAL;
}
return __dl_argv_handle_region(str, p_bus_name, p_dev_name, p_region);
}
static int dl_argv_uint64_t(struct dl *dl, uint64_t *p_val)
{
char *str = dl_argv_next(dl);
int err;
if (!str) {
pr_err("Unsigned number argument expected\n");
return -EINVAL;
}
err = strtouint64_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_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_bool(struct dl *dl, bool *p_val)
{
char *str = dl_argv_next(dl);
int err;
if (!str) {
pr_err("Boolean argument expected\n");
return -EINVAL;
}
err = strtobool(str, p_val);
if (err) {
pr_err("\"%s\" is not a valid boolean value\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
eswitch_encap_mode_get(const char *typestr,
enum devlink_eswitch_encap_mode *p_encap_mode)
{
/* The initial implementation incorrectly accepted "enable"/"disable".
* Carry it to maintain backward compatibility.
*/
if (strcmp(typestr, "disable") == 0 ||
strcmp(typestr, ESWITCH_ENCAP_MODE_NONE) == 0) {
*p_encap_mode = DEVLINK_ESWITCH_ENCAP_MODE_NONE;
} else if (strcmp(typestr, "enable") == 0 ||
strcmp(typestr, ESWITCH_ENCAP_MODE_BASIC) == 0) {
*p_encap_mode = DEVLINK_ESWITCH_ENCAP_MODE_BASIC;
} else {
pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
return -EINVAL;
}
return 0;
}
static int param_cmode_get(const char *cmodestr,
enum devlink_param_cmode *cmode)
{
if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) {
*cmode = DEVLINK_PARAM_CMODE_RUNTIME;
} else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) {
*cmode = DEVLINK_PARAM_CMODE_DRIVERINIT;
} else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) {
*cmode = DEVLINK_PARAM_CMODE_PERMANENT;
} else {
pr_err("Unknown configuration mode \"%s\"\n", cmodestr);
return -EINVAL;
}
return 0;
}
static int trap_action_get(const char *actionstr,
enum devlink_trap_action *p_action)
{
if (strcmp(actionstr, "drop") == 0) {
*p_action = DEVLINK_TRAP_ACTION_DROP;
} else if (strcmp(actionstr, "trap") == 0) {
*p_action = DEVLINK_TRAP_ACTION_TRAP;
} else if (strcmp(actionstr, "mirror") == 0) {
*p_action = DEVLINK_TRAP_ACTION_MIRROR;
} else {
pr_err("Unknown trap action \"%s\"\n", actionstr);
return -EINVAL;
}
return 0;
}
static int hw_addr_parse(const char *addrstr, char *hw_addr, uint32_t *len)
{
int alen;
alen = ll_addr_a2n(hw_addr, MAX_ADDR_LEN, addrstr);
if (alen < 0)
return -EINVAL;
*len = alen;
return 0;
}
struct dl_args_metadata {
uint64_t o_flag;
char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN];
};
static const struct dl_args_metadata dl_args_required[] = {
{DL_OPT_PORT_TYPE, "Port type not set."},
{DL_OPT_PORT_COUNT, "Port split count option expected."},
{DL_OPT_SB_POOL, "Pool index option expected."},
{DL_OPT_SB_SIZE, "Pool size option expected."},
{DL_OPT_SB_TYPE, "Pool type option expected."},
{DL_OPT_SB_THTYPE, "Pool threshold type option expected."},
{DL_OPT_SB_TH, "Threshold option expected."},
{DL_OPT_SB_TC, "TC index option expected."},
{DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."},
{DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."},
{DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."},
{DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."},
{DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."},
{DL_OPT_RESOURCE_PATH, "Resource path expected."},
{DL_OPT_RESOURCE_SIZE, "Resource size expected."},
{DL_OPT_PARAM_NAME, "Parameter name expected."},
{DL_OPT_PARAM_VALUE, "Value to set expected."},
{DL_OPT_PARAM_CMODE, "Configuration mode expected."},
{DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."},
{DL_OPT_REGION_ADDRESS, "Region address value expected."},
{DL_OPT_REGION_LENGTH, "Region length value expected."},
{DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."},
{DL_OPT_TRAP_NAME, "Trap's name is expected."},
{DL_OPT_TRAP_GROUP_NAME, "Trap group's name is expected."},
{DL_OPT_PORT_FUNCTION_HW_ADDR, "Port function's hardware address is expected."},
};
static int dl_args_finding_required_validate(uint64_t o_required,
uint64_t o_found)
{
uint64_t o_flag;
int i;
for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) {
o_flag = dl_args_required[i].o_flag;
if ((o_required & o_flag) && !(o_found & o_flag)) {
pr_err("%s\n", dl_args_required[i].err_msg);
return -EINVAL;
}
}
if (o_required & ~o_found) {
pr_err("BUG: unknown argument required but not found\n");
return -EINVAL;
}
return 0;
}
static int dl_argv_parse(struct dl *dl, uint64_t o_required,
uint64_t o_optional)
{
struct dl_opts *opts = &dl->opts;
uint64_t o_all = o_required | o_optional;
uint64_t o_found = 0;
int err;
if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
uint64_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_required &= ~(DL_OPT_HANDLE | DL_OPT_HANDLEP) | handle_bit;
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;
} else if (o_required & DL_OPT_HANDLE_REGION) {
err = dl_argv_handle_region(dl, &opts->bus_name,
&opts->dev_name,
&opts->region_name);
if (err)
return err;
o_found |= DL_OPT_HANDLE_REGION;
}
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") ||
dl_argv_match(dl, "counters_enabled")) &&
(o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
dl_arg_inc(dl);
err = dl_argv_bool(dl, &opts->dpipe_counters_enabled);
if (err)
return err;
o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
} else if ((dl_argv_match(dl, "encap") || /* Original incorrect implementation */
dl_argv_match(dl, "encap-mode")) &&
(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 if (dl_argv_match(dl, "path") &&
(o_all & DL_OPT_RESOURCE_PATH)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->resource_path);
if (err)
return err;
o_found |= DL_OPT_RESOURCE_PATH;
} else if (dl_argv_match(dl, "size") &&
(o_all & DL_OPT_RESOURCE_SIZE)) {
dl_arg_inc(dl);
err = dl_argv_uint64_t(dl, &opts->resource_size);
if (err)
return err;
o_found |= DL_OPT_RESOURCE_SIZE;
} else if (dl_argv_match(dl, "name") &&
(o_all & DL_OPT_PARAM_NAME)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->param_name);
if (err)
return err;
o_found |= DL_OPT_PARAM_NAME;
} else if (dl_argv_match(dl, "value") &&
(o_all & DL_OPT_PARAM_VALUE)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->param_value);
if (err)
return err;
o_found |= DL_OPT_PARAM_VALUE;
} else if (dl_argv_match(dl, "cmode") &&
(o_all & DL_OPT_PARAM_CMODE)) {
const char *cmodestr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &cmodestr);
if (err)
return err;
err = param_cmode_get(cmodestr, &opts->cmode);
if (err)
return err;
o_found |= DL_OPT_PARAM_CMODE;
} else if (dl_argv_match(dl, "snapshot") &&
(o_all & DL_OPT_REGION_SNAPSHOT_ID)) {
dl_arg_inc(dl);
err = dl_argv_uint32_t(dl, &opts->region_snapshot_id);
if (err)
return err;
o_found |= DL_OPT_REGION_SNAPSHOT_ID;
} else if (dl_argv_match(dl, "address") &&
(o_all & DL_OPT_REGION_ADDRESS)) {
dl_arg_inc(dl);
err = dl_argv_uint64_t(dl, &opts->region_address);
if (err)
return err;
o_found |= DL_OPT_REGION_ADDRESS;
} else if (dl_argv_match(dl, "length") &&
(o_all & DL_OPT_REGION_LENGTH)) {
dl_arg_inc(dl);
err = dl_argv_uint64_t(dl, &opts->region_length);
if (err)
return err;
o_found |= DL_OPT_REGION_LENGTH;
} else if (dl_argv_match(dl, "file") &&
(o_all & DL_OPT_FLASH_FILE_NAME)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->flash_file_name);
if (err)
return err;
o_found |= DL_OPT_FLASH_FILE_NAME;
} else if (dl_argv_match(dl, "component") &&
(o_all & DL_OPT_FLASH_COMPONENT)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->flash_component);
if (err)
return err;
o_found |= DL_OPT_FLASH_COMPONENT;
} else if (dl_argv_match(dl, "reporter") &&
(o_all & DL_OPT_HEALTH_REPORTER_NAME)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->reporter_name);
if (err)
return err;
o_found |= DL_OPT_HEALTH_REPORTER_NAME;
} else if (dl_argv_match(dl, "grace_period") &&
(o_all & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)) {
dl_arg_inc(dl);
err = dl_argv_uint64_t(dl,
&opts->reporter_graceful_period);
if (err)
return err;
o_found |= DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD;
} else if (dl_argv_match(dl, "auto_recover") &&
(o_all & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)) {
dl_arg_inc(dl);
err = dl_argv_bool(dl, &opts->reporter_auto_recover);
if (err)
return err;
o_found |= DL_OPT_HEALTH_REPORTER_AUTO_RECOVER;
} else if (dl_argv_match(dl, "auto_dump") &&
(o_all & DL_OPT_HEALTH_REPORTER_AUTO_DUMP)) {
dl_arg_inc(dl);
err = dl_argv_bool(dl, &opts->reporter_auto_dump);
if (err)
return err;
o_found |= DL_OPT_HEALTH_REPORTER_AUTO_DUMP;
} else if (dl_argv_match(dl, "trap") &&
(o_all & DL_OPT_TRAP_NAME)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->trap_name);
if (err)
return err;
o_found |= DL_OPT_TRAP_NAME;
} else if (dl_argv_match(dl, "group") &&
(o_all & DL_OPT_TRAP_GROUP_NAME)) {
dl_arg_inc(dl);
err = dl_argv_str(dl, &opts->trap_group_name);
if (err)
return err;
o_found |= DL_OPT_TRAP_GROUP_NAME;
} else if (dl_argv_match(dl, "action") &&
(o_all & DL_OPT_TRAP_ACTION)) {
const char *actionstr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &actionstr);
if (err)
return err;
err = trap_action_get(actionstr, &opts->trap_action);
if (err)
return err;
o_found |= DL_OPT_TRAP_ACTION;
} else if (dl_argv_match(dl, "netns") &&
(o_all & DL_OPT_NETNS)) {
const char *netns_str;
dl_arg_inc(dl);
err = dl_argv_str(dl, &netns_str);
if (err)
return err;
opts->netns = netns_get_fd(netns_str);
if ((int)opts->netns < 0) {
dl_arg_dec(dl);
err = dl_argv_uint32_t(dl, &opts->netns);
if (err)
return err;
opts->netns_is_pid = true;
}
o_found |= DL_OPT_NETNS;
} else if (dl_argv_match(dl, "policer") &&
(o_all & DL_OPT_TRAP_POLICER_ID)) {
dl_arg_inc(dl);
err = dl_argv_uint32_t(dl, &opts->trap_policer_id);
if (err)
return err;
o_found |= DL_OPT_TRAP_POLICER_ID;
} else if (dl_argv_match(dl, "nopolicer") &&
(o_all & DL_OPT_TRAP_POLICER_ID)) {
dl_arg_inc(dl);
opts->trap_policer_id = 0;
o_found |= DL_OPT_TRAP_POLICER_ID;
} else if (dl_argv_match(dl, "rate") &&
(o_all & DL_OPT_TRAP_POLICER_RATE)) {
dl_arg_inc(dl);
err = dl_argv_uint64_t(dl, &opts->trap_policer_rate);
if (err)
return err;
o_found |= DL_OPT_TRAP_POLICER_RATE;
} else if (dl_argv_match(dl, "burst") &&
(o_all & DL_OPT_TRAP_POLICER_BURST)) {
dl_arg_inc(dl);
err = dl_argv_uint64_t(dl, &opts->trap_policer_burst);
if (err)
return err;
o_found |= DL_OPT_TRAP_POLICER_BURST;
} else if (dl_argv_match(dl, "hw_addr") &&
(o_all & DL_OPT_PORT_FUNCTION_HW_ADDR)) {
const char *addrstr;
dl_arg_inc(dl);
err = dl_argv_str(dl, &addrstr);
if (err)
return err;
err = hw_addr_parse(addrstr, opts->port_function_hw_addr,
&opts->port_function_hw_addr_len);
if (err)
return err;
o_found |= DL_OPT_PORT_FUNCTION_HW_ADDR;
} 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;
}
return dl_args_finding_required_validate(o_required, o_found);
}
static void
dl_function_attr_put(struct nlmsghdr *nlh, const struct dl_opts *opts)
{
struct nlattr *nest;
nest = mnl_attr_nest_start(nlh, DEVLINK_ATTR_PORT_FUNCTION);
mnl_attr_put(nlh, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR,
opts->port_function_hw_addr_len,
opts->port_function_hw_addr);
mnl_attr_nest_end(nlh, nest);
}
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);
} else if (opts->present & DL_OPT_HANDLE_REGION) {
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_strz(nlh, DEVLINK_ATTR_REGION_NAME,
opts->region_name);
}
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_enabled);
if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
opts->eswitch_encap_mode);
if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid)
mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID,
opts->resource_id);
if (opts->present & DL_OPT_RESOURCE_SIZE)
mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE,
opts->resource_size);
if (opts->present & DL_OPT_PARAM_NAME)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME,
opts->param_name);
if (opts->present & DL_OPT_PARAM_CMODE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE,
opts->cmode);
if (opts->present & DL_OPT_REGION_SNAPSHOT_ID)
mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID,
opts->region_snapshot_id);
if (opts->present & DL_OPT_REGION_ADDRESS)
mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR,
opts->region_address);
if (opts->present & DL_OPT_REGION_LENGTH)
mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN,
opts->region_length);
if (opts->present & DL_OPT_FLASH_FILE_NAME)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME,
opts->flash_file_name);
if (opts->present & DL_OPT_FLASH_COMPONENT)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT,
opts->flash_component);
if (opts->present & DL_OPT_HEALTH_REPORTER_NAME)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME,
opts->reporter_name);
if (opts->present & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)
mnl_attr_put_u64(nlh,
DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD,
opts->reporter_graceful_period);
if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER,
opts->reporter_auto_recover);
if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_DUMP)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP,
opts->reporter_auto_dump);
if (opts->present & DL_OPT_TRAP_NAME)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_NAME,
opts->trap_name);
if (opts->present & DL_OPT_TRAP_GROUP_NAME)
mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_GROUP_NAME,
opts->trap_group_name);
if (opts->present & DL_OPT_TRAP_ACTION)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_TRAP_ACTION,
opts->trap_action);
if (opts->present & DL_OPT_NETNS)
mnl_attr_put_u32(nlh,
opts->netns_is_pid ? DEVLINK_ATTR_NETNS_PID :
DEVLINK_ATTR_NETNS_FD,
opts->netns);
if (opts->present & DL_OPT_TRAP_POLICER_ID)
mnl_attr_put_u32(nlh, DEVLINK_ATTR_TRAP_POLICER_ID,
opts->trap_policer_id);
if (opts->present & DL_OPT_TRAP_POLICER_RATE)
mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_RATE,
opts->trap_policer_rate);
if (opts->present & DL_OPT_TRAP_POLICER_BURST)
mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_BURST,
opts->trap_policer_burst);
if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR)
dl_function_attr_put(nlh, opts);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
uint64_t o_required, uint64_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-mode { none | basic } ]\n");
pr_err(" devlink dev eswitch show DEV\n");
pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
pr_err(" devlink dev param show [DEV name PARAMETER]\n");
pr_err(" devlink dev reload DEV [ netns { PID | NAME | ID } ]\n");
pr_err(" devlink dev info [ DEV ]\n");
pr_err(" devlink dev flash DEV file PATH [ component NAME ]\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[64];
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))
close_json_array(PRINT_JSON, NULL);
if (should_arr_last_handle_start(dl, bus_name,
dev_name)) {
open_json_array(PRINT_JSON, buf);
open_json_object(NULL);
arr_last_handle_set(dl, bus_name, dev_name);
} else {
open_json_object(NULL);
}
} else {
open_json_object(buf);
}
} 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)
close_json_object();
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[64];
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))
close_json_array(PRINT_JSON, NULL);
if (should_arr_last_port_handle_start(dl, bus_name,
dev_name,
port_index)) {
open_json_array(PRINT_JSON, buf);
open_json_object(NULL);
arr_last_port_handle_set(dl, bus_name, dev_name,
port_index);
} else {
open_json_object(NULL);
}
} else {
open_json_object(buf);
}
} else {
if (array) {
if (should_arr_last_port_handle_end(dl, bus_name, dev_name, port_index))
__pr_out_indent_dec();
if (should_arr_last_port_handle_start(dl, bus_name,
dev_name, port_index)) {
pr_out("%s:", buf);
__pr_out_newline();
__pr_out_indent_inc();
arr_last_port_handle_set(dl, bus_name, dev_name, port_index);
}
} 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)
close_json_object();
else
pr_out("\n");
}
static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
{
if (dl->json_output) {
print_uint(PRINT_JSON, "address", NULL, addr);
open_json_array(PRINT_JSON, "data");
}
}
static void pr_out_region_chunk_end(struct dl *dl)
{
if (dl->json_output)
close_json_array(PRINT_JSON, NULL);
}
static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len,
uint64_t addr)
{
static uint64_t align_val;
uint32_t i = 0;
pr_out_region_chunk_start(dl, addr);
while (i < len) {
if (!dl->json_output)
if (!(align_val % 16))
pr_out("%s%016"PRIx64" ",
align_val ? "\n" : "",
addr);
align_val++;
if (dl->json_output)
print_int(PRINT_JSON, NULL, NULL, data[i]);
else
pr_out("%02x ", data[i]);
addr++;
i++;
}
pr_out_region_chunk_end(dl);
}
static void pr_out_stats(struct dl *dl, struct nlattr *nla_stats)
{
struct nlattr *tb[DEVLINK_ATTR_STATS_MAX + 1] = {};
int err;
if (!dl->stats)
return;
err = mnl_attr_parse_nested(nla_stats, attr_stats_cb, tb);
if (err != MNL_CB_OK)
return;
pr_out_object_start(dl, "stats");
pr_out_object_start(dl, "rx");
if (tb[DEVLINK_ATTR_STATS_RX_BYTES])
pr_out_u64(dl, "bytes",
mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_BYTES]));
if (tb[DEVLINK_ATTR_STATS_RX_PACKETS])
pr_out_u64(dl, "packets",
mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_PACKETS]));
if (tb[DEVLINK_ATTR_STATS_RX_DROPPED])
pr_out_u64(dl, "dropped",
mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_DROPPED]));
pr_out_object_end(dl);
pr_out_object_end(dl);
}
static const char *param_cmode_name(uint8_t cmode)
{
switch (cmode) {
case DEVLINK_PARAM_CMODE_RUNTIME:
return PARAM_CMODE_RUNTIME_STR;
case DEVLINK_PARAM_CMODE_DRIVERINIT:
return PARAM_CMODE_DRIVERINIT_STR;
case DEVLINK_PARAM_CMODE_PERMANENT:
return PARAM_CMODE_PERMANENT_STR;
default: return "<unknown type>";
}
}
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 const char *eswitch_encap_mode_name(uint32_t mode)
{
switch (mode) {
case DEVLINK_ESWITCH_ENCAP_MODE_NONE:
return ESWITCH_ENCAP_MODE_NONE;
case DEVLINK_ESWITCH_ENCAP_MODE_BASIC:
return ESWITCH_ENCAP_MODE_BASIC;
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]) {
check_indent_newline(dl);
print_string(PRINT_ANY, "mode", "mode %s",
eswitch_mode_name(mnl_attr_get_u16(
tb[DEVLINK_ATTR_ESWITCH_MODE])));
}
if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) {
check_indent_newline(dl);
print_string(PRINT_ANY, "inline-mode", "inline-mode %s",
eswitch_inline_mode_name(mnl_attr_get_u8(
tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
}
if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
check_indent_newline(dl);
print_string(PRINT_ANY, "encap-mode", "encap-mode %s",
eswitch_encap_mode_name(mnl_attr_get_u8(
tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE])));
}
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;
}
struct param_val_conv {
const char *name;
const char *vstr;
uint32_t vuint;
};
static bool param_val_conv_exists(const struct param_val_conv *param_val_conv,
uint32_t len, const char *name)
{
uint32_t i;
for (i = 0; i < len; i++)
if (!strcmp(param_val_conv[i].name, name))
return true;
return false;
}
static int
param_val_conv_uint_get(const struct param_val_conv *param_val_conv,
uint32_t len, const char *name, const char *vstr,
uint32_t *vuint)
{
uint32_t i;
for (i = 0; i < len; i++)
if (!strcmp(param_val_conv[i].name, name) &&
!strcmp(param_val_conv[i].vstr, vstr)) {
*vuint = param_val_conv[i].vuint;
return 0;
}
return -ENOENT;
}
static int
param_val_conv_str_get(const struct param_val_conv *param_val_conv,
uint32_t len, const char *name, uint32_t vuint,
const char **vstr)
{
uint32_t i;
for (i = 0; i < len; i++)
if (!strcmp(param_val_conv[i].name, name) &&
param_val_conv[i].vuint == vuint) {
*vstr = param_val_conv[i].vstr;
return 0;
}
return -ENOENT;
}
static const struct param_val_conv param_val_conv[] = {
{
.name = "fw_load_policy",
.vstr = "driver",
.vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
},
{
.name = "fw_load_policy",
.vstr = "flash",
.vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
},
{
.name = "fw_load_policy",
.vstr = "disk",
.vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK,
},
{
.name = "reset_dev_on_drv_probe",
.vstr = "unknown",
.vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN,
},
{
.name = "fw_load_policy",
.vstr = "unknown",
.vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_UNKNOWN,
},
{
.name = "reset_dev_on_drv_probe",
.vstr = "always",
.vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS,
},
{
.name = "reset_dev_on_drv_probe",
.vstr = "never",
.vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER,
},
{
.name = "reset_dev_on_drv_probe",
.vstr = "disk",
.vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK,
},
};
#define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv)
static void pr_out_param_value(struct dl *dl, const char *nla_name,
int nla_type, struct nlattr *nl)
{
struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *val_attr;
const char *vstr;
bool conv_exists;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_value);
if (err != MNL_CB_OK)
return;
if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
(nla_type != MNL_TYPE_FLAG &&
!nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
return;
check_indent_newline(dl);
print_string(PRINT_ANY, "cmode", "cmode %s",
param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
nla_name);
switch (nla_type) {
case MNL_TYPE_U8:
if (conv_exists) {
err = param_val_conv_str_get(param_val_conv,
PARAM_VAL_CONV_LEN,
nla_name,
mnl_attr_get_u8(val_attr),
&vstr);
if (err)
return;
print_string(PRINT_ANY, "value", " value %s", vstr);
} else {
print_uint(PRINT_ANY, "value", " value %u",
mnl_attr_get_u8(val_attr));
}
break;
case MNL_TYPE_U16:
if (conv_exists) {
err = param_val_conv_str_get(param_val_conv,
PARAM_VAL_CONV_LEN,
nla_name,
mnl_attr_get_u16(val_attr),
&vstr);
if (err)
return;
print_string(PRINT_ANY, "value", " value %s", vstr);
} else {
print_uint(PRINT_ANY, "value", " value %u",
mnl_attr_get_u16(val_attr));
}
break;
case MNL_TYPE_U32:
if (conv_exists) {
err = param_val_conv_str_get(param_val_conv,
PARAM_VAL_CONV_LEN,
nla_name,
mnl_attr_get_u32(val_attr),
&vstr);
if (err)
return;
print_string(PRINT_ANY, "value", " value %s", vstr);
} else {
print_uint(PRINT_ANY, "value", " value %u",
mnl_attr_get_u32(val_attr));
}
break;
case MNL_TYPE_STRING:
print_string(PRINT_ANY, "value", " value %s",
mnl_attr_get_str(val_attr));
break;
case MNL_TYPE_FLAG:
print_bool(PRINT_ANY, "value", " value %s", val_attr);
break;
}
}
static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array)
{
struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *param_value_attr;
const char *nla_name;
int nla_type;
int err;
err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
if (err != MNL_CB_OK)
return;
if (!nla_param[DEVLINK_ATTR_PARAM_NAME] ||
!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
!nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
return;
if (array)
pr_out_handle_start_arr(dl, tb);
else
__pr_out_handle_start(dl, tb, true, false);
nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]);
check_indent_newline(dl);
print_string(PRINT_ANY, "name", "name %s ", nla_name);
if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
print_string(PRINT_ANY, "type", "type %s", "driver-specific");
else
print_string(PRINT_ANY, "type", "type %s", "generic");
pr_out_array_start(dl, "values");
mnl_attr_for_each_nested(param_value_attr,
nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
pr_out_entry_start(dl);
pr_out_param_value(dl, nla_name, nla_type, param_value_attr);
pr_out_entry_end(dl);
}
pr_out_array_end(dl);
pr_out_handle_end(dl);
}
static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PARAM])
return MNL_CB_ERROR;
pr_out_param(dl, tb, true);
return MNL_CB_OK;
}
struct param_ctx {
struct dl *dl;
int nla_type;
union {
uint8_t vu8;
uint16_t vu16;
uint32_t vu32;
const char *vstr;
bool vbool;
} value;
};
static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *param_value_attr;
enum devlink_param_cmode cmode;
struct param_ctx *ctx = data;
struct dl *dl = ctx->dl;
int nla_type;
int err;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PARAM])
return MNL_CB_ERROR;
err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
if (err != MNL_CB_OK)
return MNL_CB_ERROR;
if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
!nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
return MNL_CB_ERROR;
nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
mnl_attr_for_each_nested(param_value_attr,
nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *val_attr;
err = mnl_attr_parse_nested(param_value_attr,
attr_cb, nla_value);
if (err != MNL_CB_OK)
return MNL_CB_ERROR;
if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
(nla_type != MNL_TYPE_FLAG &&
!nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
return MNL_CB_ERROR;
cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
if (cmode == dl->opts.cmode) {
val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
switch (nla_type) {
case MNL_TYPE_U8:
ctx->value.vu8 = mnl_attr_get_u8(val_attr);
break;
case MNL_TYPE_U16:
ctx->value.vu16 = mnl_attr_get_u16(val_attr);
break;
case MNL_TYPE_U32:
ctx->value.vu32 = mnl_attr_get_u32(val_attr);
break;
case MNL_TYPE_STRING:
ctx->value.vstr = mnl_attr_get_str(val_attr);
break;
case MNL_TYPE_FLAG:
ctx->value.vbool = val_attr ? true : false;
break;
}
break;
}
}
ctx->nla_type = nla_type;
return MNL_CB_OK;
}
static int cmd_dev_param_set(struct dl *dl)
{
struct param_ctx ctx = {};
struct nlmsghdr *nlh;
bool conv_exists;
uint32_t val_u32;
uint16_t val_u16;
uint8_t val_u8;
bool val_bool;
int err;
err = dl_argv_parse(dl, DL_OPT_HANDLE |
DL_OPT_PARAM_NAME |
DL_OPT_PARAM_VALUE |
DL_OPT_PARAM_CMODE, 0);
if (err)
return err;
/* Get value type */
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET,
NLM_F_REQUEST | NLM_F_ACK);
dl_opts_put(nlh, dl);
ctx.dl = dl;
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
if (err)
return err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_SET,
NLM_F_REQUEST | NLM_F_ACK);
dl_opts_put(nlh, dl);
conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN,
dl->opts.param_name);
mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
switch (ctx.nla_type) {
case MNL_TYPE_U8:
if (conv_exists) {
err = param_val_conv_uint_get(param_val_conv,
PARAM_VAL_CONV_LEN,
dl->opts.param_name,
dl->opts.param_value,
&val_u32);
val_u8 = val_u32;
} else {
err = strtouint8_t(dl->opts.param_value, &val_u8);
}
if (err)
goto err_param_value_parse;
if (val_u8 == ctx.value.vu8)
return 0;
mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8);
break;
case MNL_TYPE_U16:
if (conv_exists) {
err = param_val_conv_uint_get(param_val_conv,
PARAM_VAL_CONV_LEN,
dl->opts.param_name,
dl->opts.param_value,
&val_u32);
val_u16 = val_u32;
} else {
err = strtouint16_t(dl->opts.param_value, &val_u16);
}
if (err)
goto err_param_value_parse;
if (val_u16 == ctx.value.vu16)
return 0;
mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16);
break;
case MNL_TYPE_U32:
if (conv_exists)
err = param_val_conv_uint_get(param_val_conv,
PARAM_VAL_CONV_LEN,
dl->opts.param_name,
dl->opts.param_value,
&val_u32);
else
err = strtouint32_t(dl->opts.param_value, &val_u32);
if (err)
goto err_param_value_parse;
if (val_u32 == ctx.value.vu32)
return 0;
mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32);
break;
case MNL_TYPE_FLAG:
err = strtobool(dl->opts.param_value, &val_bool);
if (err)
goto err_param_value_parse;
if (val_bool == ctx.value.vbool)
return 0;
if (val_bool)
mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
0, NULL);
break;
case MNL_TYPE_STRING:
mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
dl->opts.param_value);
if (!strcmp(dl->opts.param_value, ctx.value.vstr))
return 0;
break;
default:
printf("Value type not supported\n");
return -ENOTSUP;
}
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
err_param_value_parse:
pr_err("Value \"%s\" is not a number or not within range\n",
dl->opts.param_value);
return err;
}
static int cmd_dev_param_show(struct dl *dl)
{
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
struct nlmsghdr *nlh;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE |
DL_OPT_PARAM_NAME, 0);
if (err)
return err;
}
pr_out_section_start(dl, "param");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_dev_param(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_param_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_dev_param_set(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);
uint8_t reload_failed = 0;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
return MNL_CB_ERROR;
if (tb[DEVLINK_ATTR_RELOAD_FAILED])
reload_failed = mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED]);
if (reload_failed) {
__pr_out_handle_start(dl, tb, true, false);
check_indent_newline(dl);
print_bool(PRINT_ANY, "reload_failed", "reload_failed %s", true);
pr_out_handle_end(dl);
} else {
pr_out_handle(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_reload(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_dev_help();
return 0;
}
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RELOAD,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_NETNS);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh,
const char *name, int type)
{
struct nlattr *version;
mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) {
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
const char *ver_value;
const char *ver_name;
int err;
if (mnl_attr_get_type(version) != type)
continue;
err = mnl_attr_parse_nested(version, attr_cb, tb);
if (err != MNL_CB_OK)
continue;
if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] ||
!tb[DEVLINK_ATTR_INFO_VERSION_VALUE])
continue;
if (name) {
pr_out_object_start(dl, name);
name = NULL;
}
ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]);
ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]);
check_indent_newline(dl);
print_string_name_value(ver_name, ver_value);
if (!dl->json_output)
__pr_out_newline();
}
if (!name)
pr_out_object_end(dl);
}
static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh,
struct nlattr **tb, bool has_versions)
{
__pr_out_handle_start(dl, tb, true, false);
__pr_out_indent_inc();
if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) {
struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME];
if (!dl->json_output)
__pr_out_newline();
check_indent_newline(dl);
print_string(PRINT_ANY, "driver", "driver %s",
mnl_attr_get_str(nla_drv));
}
if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) {
struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER];
if (!dl->json_output)
__pr_out_newline();
check_indent_newline(dl);
print_string(PRINT_ANY, "serial_number", "serial_number %s",
mnl_attr_get_str(nla_sn));
}
if (tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER]) {
struct nlattr *nla_bsn = tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER];
if (!dl->json_output)
__pr_out_newline();
check_indent_newline(dl);
print_string(PRINT_ANY, "board.serial_number", "board.serial_number %s",
mnl_attr_get_str(nla_bsn));
}
__pr_out_indent_dec();
if (has_versions) {
pr_out_object_start(dl, "versions");
pr_out_versions_single(dl, nlh, "fixed",
DEVLINK_ATTR_INFO_VERSION_FIXED);
pr_out_versions_single(dl, nlh, "running",
DEVLINK_ATTR_INFO_VERSION_RUNNING);
pr_out_versions_single(dl, nlh, "stored",
DEVLINK_ATTR_INFO_VERSION_STORED);
pr_out_object_end(dl);
}
pr_out_handle_end(dl);
}
static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
bool has_versions, has_info;
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
return MNL_CB_ERROR;
has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] ||
tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] ||
tb[DEVLINK_ATTR_INFO_VERSION_STORED];
has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] ||
tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] ||
tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER] ||
has_versions;
if (has_info)
pr_out_info(dl, nlh, tb, has_versions);
return MNL_CB_OK;
}
static int cmd_dev_info(struct dl *dl)
{
struct nlmsghdr *nlh;
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (dl_argv_match(dl, "help")) {
cmd_dev_help();
return 0;
}
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_INFO_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, "info");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_versions_show_cb, dl);
pr_out_section_end(dl);
return err;
}
struct cmd_dev_flash_status_ctx {
struct dl *dl;
char *last_msg;
char *last_component;
uint8_t not_first:1,
last_pc:1,
received_end:1,
flash_done:1;
};
static int nullstrcmp(const char *str1, const char *str2)
{
if (str1 && str2)
return strcmp(str1, str2);
if (!str1 && !str2)
return 0;
return str1 ? 1 : -1;
}
static int cmd_dev_flash_status_cb(const struct nlmsghdr *nlh, void *data)
{
struct cmd_dev_flash_status_ctx *ctx = data;
struct dl_opts *opts = &ctx->dl->opts;
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
const char *component = NULL;
uint64_t done = 0, total = 0;
const char *msg = NULL;
const char *bus_name;
const char *dev_name;
if (genl->cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS &&
genl->cmd != DEVLINK_CMD_FLASH_UPDATE_END)
return MNL_CB_STOP;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
return MNL_CB_ERROR;
bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
if (strcmp(bus_name, opts->bus_name) ||
strcmp(dev_name, opts->dev_name))
return MNL_CB_ERROR;
if (genl->cmd == DEVLINK_CMD_FLASH_UPDATE_END && ctx->not_first) {
pr_out("\n");
free(ctx->last_msg);
free(ctx->last_component);
ctx->received_end = 1;
return MNL_CB_STOP;
}
if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG])
msg = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]);
if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT])
component = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]);
if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])
done = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]);
if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])
total = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]);
if (!nullstrcmp(msg, ctx->last_msg) &&
!nullstrcmp(component, ctx->last_component) &&
ctx->last_pc && ctx->not_first) {
pr_out_tty("\b\b\b\b\b"); /* clean percentage */
} else {
if (ctx->not_first)
pr_out("\n");
if (component) {
pr_out("[%s] ", component);
free(ctx->last_component);
ctx->last_component = strdup(component);
}
if (msg) {
pr_out("%s", msg);
free(ctx->last_msg);
ctx->last_msg = strdup(msg);
}
}
if (total) {
pr_out_tty(" %3lu%%", (done * 100) / total);
ctx->last_pc = 1;
} else {
ctx->last_pc = 0;
}
fflush(stdout);
ctx->not_first = 1;
return MNL_CB_STOP;
}
static int cmd_dev_flash_fds_process(struct cmd_dev_flash_status_ctx *ctx,
struct mnlg_socket *nlg_ntf,
int pipe_r)
{
int nlfd = mnlg_socket_get_fd(nlg_ntf);
fd_set fds[3];
int fdmax;
int i;
int err;
int err2;
for (i = 0; i < 3; i++)
FD_ZERO(&fds[i]);
FD_SET(pipe_r, &fds[0]);
fdmax = pipe_r + 1;
FD_SET(nlfd, &fds[0]);
if (nlfd >= fdmax)
fdmax = nlfd + 1;
while (select(fdmax, &fds[0], &fds[1], &fds[2], NULL) < 0) {
if (errno == EINTR)
continue;
pr_err("select() failed\n");
return -errno;
}
if (FD_ISSET(nlfd, &fds[0])) {
err = _mnlg_socket_recv_run(nlg_ntf,
cmd_dev_flash_status_cb, ctx);
if (err)
return err;
}
if (FD_ISSET(pipe_r, &fds[0])) {
err = read(pipe_r, &err2, sizeof(err2));
if (err == -1) {
pr_err("Failed to read pipe\n");
return -errno;
}
if (err2)
return err2;
ctx->flash_done = 1;
}
return 0;
}
static int cmd_dev_flash(struct dl *dl)
{
struct cmd_dev_flash_status_ctx ctx = {.dl = dl,};
struct mnlg_socket *nlg_ntf;
struct nlmsghdr *nlh;
int pipe_r, pipe_w;
int pipe_fds[2];
pid_t pid;
int err;
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_dev_help();
return 0;
}
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_FLASH_UPDATE,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME,
DL_OPT_FLASH_COMPONENT);
if (err)
return err;
nlg_ntf = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
if (!nlg_ntf)
return err;
err = _mnlg_socket_group_add(nlg_ntf, DEVLINK_GENL_MCGRP_CONFIG_NAME);
if (err)
return err;
err = pipe(pipe_fds);
if (err == -1)
return -errno;
pipe_r = pipe_fds[0];
pipe_w = pipe_fds[1];
pid = fork();
if (pid == -1) {
close(pipe_r);
close(pipe_w);
return -errno;
} else if (!pid) {
/* In child, just execute the flash and pass returned
* value through pipe once it is done.
*/
int cc;
close(pipe_r);
err = _mnlg_socket_send(dl->nlg, nlh);
cc = write(pipe_w, &err, sizeof(err));
close(pipe_w);
exit(cc != sizeof(err));
}
close(pipe_w);
do {
err = cmd_dev_flash_fds_process(&ctx, nlg_ntf, pipe_r);
if (err)
goto out;
} while (!ctx.flash_done || (ctx.not_first && !ctx.received_end));
err = _mnlg_socket_recv_run(dl->nlg, NULL, NULL);
out:
close(pipe_r);
mnlg_socket_close(nlg_ntf);
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);
} else if (dl_argv_match(dl, "reload")) {
dl_arg_inc(dl);
return cmd_dev_reload(dl);
} else if (dl_argv_match(dl, "param")) {
dl_arg_inc(dl);
return cmd_dev_param(dl);
} else if (dl_argv_match(dl, "info")) {
dl_arg_inc(dl);
return cmd_dev_info(dl);
} else if (dl_argv_match(dl, "flash")) {
dl_arg_inc(dl);
return cmd_dev_flash(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");
pr_err(" devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ]\n");
pr_err(" devlink port health show [ DEV/PORT_INDEX reporter REPORTER_NAME ]\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 const char *port_flavour_name(uint16_t flavour)
{
switch (flavour) {
case DEVLINK_PORT_FLAVOUR_PHYSICAL:
return "physical";
case DEVLINK_PORT_FLAVOUR_CPU:
return "cpu";
case DEVLINK_PORT_FLAVOUR_DSA:
return "dsa";
case DEVLINK_PORT_FLAVOUR_PCI_PF:
return "pcipf";
case DEVLINK_PORT_FLAVOUR_PCI_VF:
return "pcivf";
case DEVLINK_PORT_FLAVOUR_VIRTUAL:
return "virtual";
default:
return "<unknown flavour>";
}
}
static void pr_out_port_pfvf_num(struct dl *dl, struct nlattr **tb)
{
uint16_t fn_num;
if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) {
fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]);
print_uint(PRINT_ANY, "pfnum", " pfnum %u", fn_num);
}
if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) {
fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]);
print_uint(PRINT_ANY, "vfnum", " vfnum %u", fn_num);
}
}
static void pr_out_port_function(struct dl *dl, struct nlattr **tb_port)
{
struct nlattr *tb[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = {};
unsigned char *data;
SPRINT_BUF(hw_addr);
uint32_t len;
int err;
if (!tb_port[DEVLINK_ATTR_PORT_FUNCTION])
return;
err = mnl_attr_parse_nested(tb_port[DEVLINK_ATTR_PORT_FUNCTION],
function_attr_cb, tb);
if (err != MNL_CB_OK)
return;
if (!tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR])
return;
len = mnl_attr_get_payload_len(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]);
data = mnl_attr_get_payload(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]);
pr_out_object_start(dl, "function");
check_indent_newline(dl);
print_string(PRINT_ANY, "hw_addr", "hw_addr %s",
ll_addr_n2a(data, len, 0, hw_addr, sizeof(hw_addr)));
if (!dl->json_output)
__pr_out_indent_dec();
pr_out_object_end(dl);
}
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);
check_indent_newline(dl);
if (pt_attr) {
uint16_t port_type = mnl_attr_get_u16(pt_attr);
print_string(PRINT_ANY, "type", "type %s",
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)
print_string(PRINT_ANY, "des_type", " des_type %s",
port_type_name(des_port_type));
}
}
if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) {
print_string(PRINT_ANY, "netdev", " netdev %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]));
}
if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME]) {
print_string(PRINT_ANY, "ibdev", " ibdev %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
}
if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
uint16_t port_flavour =
mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
print_string(PRINT_ANY, "flavour", " flavour %s",
port_flavour_name(port_flavour));
switch (port_flavour) {
case DEVLINK_PORT_FLAVOUR_PCI_PF:
case DEVLINK_PORT_FLAVOUR_PCI_VF:
pr_out_port_pfvf_num(dl, tb);
break;
default:
break;
}
}
if (tb[DEVLINK_ATTR_PORT_NUMBER]) {
uint32_t port_number;
port_number = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_NUMBER]);
print_uint(PRINT_ANY, "port", " port %u", port_number);
}
if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
print_uint(PRINT_ANY, "split_group", " split_group %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
if (tb[DEVLINK_ATTR_PORT_SPLITTABLE])
print_bool(PRINT_ANY, "splittable", " splittable %s",
mnl_attr_get_u8(tb[DEVLINK_ATTR_PORT_SPLITTABLE]));
if (tb[DEVLINK_ATTR_PORT_LANES])
print_uint(PRINT_ANY, "lanes", " lanes %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_LANES]));
pr_out_port_function(dl, tb);
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 void cmd_port_function_help(void)
{
pr_err("Usage: devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ]\n");
}
static int cmd_port_function_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_FUNCTION_HW_ADDR, 0);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_port_function(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_port_function_help();
return 0;
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_port_function_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_health(struct dl *dl);
static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port);
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);
} else if (dl_argv_match(dl, "function")) {
dl_arg_inc(dl);
return cmd_port_function(dl);
} else if (dl_argv_match(dl, "health")) {
dl_arg_inc(dl);
if (dl_argv_match(dl, "list") || dl_no_arg(dl)
|| (dl_argv_match(dl, "show") && dl_argc(dl) == 1)) {
dl_arg_inc(dl);
return __cmd_health_show(dl, false, true);
} else {
return cmd_health(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);
check_indent_newline(dl);
print_uint(PRINT_ANY, "sb", "sb %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
print_uint(PRINT_ANY, "size", " size %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]));
print_uint(PRINT_ANY, "ing_pools", " ing_pools %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]));
print_uint(PRINT_ANY, "eg_pools", " eg_pools %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]));
print_uint(PRINT_ANY, "ing_tcs", " ing_tcs %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]));
print_uint(PRINT_ANY, "eg_tcs", " eg_tcs %u",
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);
check_indent_newline(dl);
print_uint(PRINT_ANY, "sb", "sb %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
print_uint(PRINT_ANY, "pool", " pool %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
print_string(PRINT_ANY, "type", " type %s",
pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
print_uint(PRINT_ANY, "size", " size %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
print_string(PRINT_ANY, "thtype", " thtype %s",
threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
print_uint(PRINT_ANY, "cell_size", " cell size %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
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);
check_indent_newline(dl);
print_uint(PRINT_ANY, "sb", "sb %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
print_uint(PRINT_ANY, "pool", " pool %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
print_uint(PRINT_ANY, "threshold", " threshold %u",
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);
check_indent_newline(dl);
print_uint(PRINT_ANY, "sb", "sb %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]));
print_uint(PRINT_ANY, "tc", " tc %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]));
print_string(PRINT_ANY, "type", " type %s",
pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])));
print_uint(PRINT_ANY, "pool", " pool %u",
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]));
print_uint(PRINT_ANY, "threshold", " threshold %u",
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(21, "%10u/%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];
open_json_object(label);
list_for_each_entry(occ_item, list, list) {
sprintf(buf, "%u", occ_item->index);
open_json_object(buf);
if (bound_pool)
print_uint(PRINT_JSON, "bound_pool", NULL,
occ_item->bound_pool_index);
print_uint(PRINT_JSON, "current", NULL, occ_item->cur);
print_uint(PRINT_JSON, "max", NULL, occ_item->max);
close_json_object();
}
close_json_object();
}
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 "new";
case DEVLINK_CMD_PORT_DEL: return "del";
case DEVLINK_CMD_PARAM_GET: return "get";
case DEVLINK_CMD_PARAM_SET: return "set";
case DEVLINK_CMD_PARAM_NEW: return "new";
case DEVLINK_CMD_PARAM_DEL: return "del";
case DEVLINK_CMD_REGION_GET: return "get";
case DEVLINK_CMD_REGION_SET: return "set";
case DEVLINK_CMD_REGION_NEW: return "new";
case DEVLINK_CMD_REGION_DEL: return "del";
case DEVLINK_CMD_FLASH_UPDATE: return "begin";
case DEVLINK_CMD_FLASH_UPDATE_END: return "end";
case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "status";
case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: return "status";
case DEVLINK_CMD_TRAP_GET: return "get";
case DEVLINK_CMD_TRAP_SET: return "set";
case DEVLINK_CMD_TRAP_NEW: return "new";
case DEVLINK_CMD_TRAP_DEL: return "del";
case DEVLINK_CMD_TRAP_GROUP_GET: return "get";
case DEVLINK_CMD_TRAP_GROUP_SET: return "set";
case DEVLINK_CMD_TRAP_GROUP_NEW: return "new";
case DEVLINK_CMD_TRAP_GROUP_DEL: return "del";
case DEVLINK_CMD_TRAP_POLICER_GET: return "get";
case DEVLINK_CMD_TRAP_POLICER_SET: return "set";
case DEVLINK_CMD_TRAP_POLICER_NEW: return "new";
case DEVLINK_CMD_TRAP_POLICER_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";
case DEVLINK_CMD_PARAM_GET:
case DEVLINK_CMD_PARAM_SET:
case DEVLINK_CMD_PARAM_NEW:
case DEVLINK_CMD_PARAM_DEL:
return "param";
case DEVLINK_CMD_REGION_GET:
case DEVLINK_CMD_REGION_SET:
case DEVLINK_CMD_REGION_NEW:
case DEVLINK_CMD_REGION_DEL:
return "region";
case DEVLINK_CMD_FLASH_UPDATE:
case DEVLINK_CMD_FLASH_UPDATE_END:
case DEVLINK_CMD_FLASH_UPDATE_STATUS:
return "flash";
case DEVLINK_CMD_HEALTH_REPORTER_RECOVER:
return "health";
case DEVLINK_CMD_TRAP_GET:
case DEVLINK_CMD_TRAP_SET:
case DEVLINK_CMD_TRAP_NEW:
case DEVLINK_CMD_TRAP_DEL:
return "trap";
case DEVLINK_CMD_TRAP_GROUP_GET:
case DEVLINK_CMD_TRAP_GROUP_SET:
case DEVLINK_CMD_TRAP_GROUP_NEW:
case DEVLINK_CMD_TRAP_GROUP_DEL:
return "trap-group";
case DEVLINK_CMD_TRAP_POLICER_GET:
case DEVLINK_CMD_TRAP_POLICER_SET:
case DEVLINK_CMD_TRAP_POLICER_NEW:
case DEVLINK_CMD_TRAP_POLICER_DEL:
return "trap-policer";
default: return "<unknown obj>";
}
}
static void pr_out_mon_header(uint8_t cmd)
{
if (!is_json_context()) {
pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd));
} else {
open_json_object(NULL);
print_string(PRINT_JSON, "command", NULL, cmd_name(cmd));
open_json_object(cmd_obj(cmd));
}
}
static void pr_out_mon_footer(void)
{
if (is_json_context()) {
close_json_object();
close_json_object();
}
}
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 void pr_out_flash_update(struct dl *dl, struct nlattr **tb)
{
__pr_out_handle_start(dl, tb, true, false);
if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) {
check_indent_newline(dl);
print_string(PRINT_ANY, "msg", "msg %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]));
}
if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) {
check_indent_newline(dl);
print_string(PRINT_ANY, "component", "component %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]));
}
if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])
pr_out_u64(dl, "done",
mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]));
if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])
pr_out_u64(dl, "total",
mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]));
pr_out_handle_end(dl);
}
static void pr_out_region(struct dl *dl, struct nlattr **tb);
static void pr_out_health(struct dl *dl, struct nlattr **tb_health,
bool show_device, bool show_port);
static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array);
static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array);
static void pr_out_trap_policer(struct dl *dl, struct nlattr **tb, bool array);
static int cmd_mon_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);
uint8_t cmd = genl->cmd;
if (!cmd_filter_check(dl, cmd))
return MNL_CB_OK;
switch (cmd) {
case DEVLINK_CMD_GET: /* fall through */
case DEVLINK_CMD_SET: /* fall through */
case DEVLINK_CMD_NEW: /* fall through */
case DEVLINK_CMD_DEL:
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_mon_header(genl->cmd);
pr_out_handle(dl, tb);
pr_out_mon_footer();
break;
case DEVLINK_CMD_PORT_GET: /* fall through */
case DEVLINK_CMD_PORT_SET: /* fall through */
case DEVLINK_CMD_PORT_NEW: /* fall through */
case DEVLINK_CMD_PORT_DEL:
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_mon_header(genl->cmd);
pr_out_port(dl, tb);
pr_out_mon_footer();
break;
case DEVLINK_CMD_PARAM_GET: /* fall through */
case DEVLINK_CMD_PARAM_SET: /* fall through */
case DEVLINK_CMD_PARAM_NEW: /* fall through */
case DEVLINK_CMD_PARAM_DEL:
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_PARAM])
return MNL_CB_ERROR;
pr_out_mon_header(genl->cmd);
pr_out_param(dl, tb, false);
pr_out_mon_footer();
break;
case DEVLINK_CMD_REGION_GET: /* fall through */
case DEVLINK_CMD_REGION_SET: /* fall through */
case DEVLINK_CMD_REGION_NEW: /* fall through */
case DEVLINK_CMD_REGION_DEL:
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_REGION_NAME])
return MNL_CB_ERROR;
pr_out_mon_header(genl->cmd);
pr_out_region(dl, tb);
pr_out_mon_footer();
break;
case DEVLINK_CMD_FLASH_UPDATE: /* fall through */
case DEVLINK_CMD_FLASH_UPDATE_END: /* fall through */
case DEVLINK_CMD_FLASH_UPDATE_STATUS:
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_mon_header(genl->cmd);
pr_out_flash_update(dl, tb);
pr_out_mon_footer();
break;
case DEVLINK_CMD_HEALTH_REPORTER_RECOVER:
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_HEALTH_REPORTER])
return MNL_CB_ERROR;
pr_out_mon_header(genl->cmd);
pr_out_health(dl, tb, true, true);
pr_out_mon_footer();
break;
case DEVLINK_CMD_TRAP_GET: /* fall through */
case DEVLINK_CMD_TRAP_SET: /* fall through */
case DEVLINK_CMD_TRAP_NEW: /* fall through */
case DEVLINK_CMD_TRAP_DEL:
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_TRAP_NAME] ||
!tb[DEVLINK_ATTR_TRAP_TYPE] ||
!tb[DEVLINK_ATTR_TRAP_ACTION] ||
!tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
!tb[DEVLINK_ATTR_TRAP_METADATA] ||
!tb[DEVLINK_ATTR_STATS])
return MNL_CB_ERROR;
pr_out_mon_header(genl->cmd);
pr_out_trap(dl, tb, false);
pr_out_mon_footer();
break;
case DEVLINK_CMD_TRAP_GROUP_GET: /* fall through */
case DEVLINK_CMD_TRAP_GROUP_SET: /* fall through */
case DEVLINK_CMD_TRAP_GROUP_NEW: /* fall through */
case DEVLINK_CMD_TRAP_GROUP_DEL:
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
!tb[DEVLINK_ATTR_STATS])
return MNL_CB_ERROR;
pr_out_mon_header(genl->cmd);
pr_out_trap_group(dl, tb, false);
pr_out_mon_footer();
break;
case DEVLINK_CMD_TRAP_POLICER_GET: /* fall through */
case DEVLINK_CMD_TRAP_POLICER_SET: /* fall through */
case DEVLINK_CMD_TRAP_POLICER_NEW: /* fall through */
case DEVLINK_CMD_TRAP_POLICER_DEL: /* fall through */
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_TRAP_POLICER_ID] ||
!tb[DEVLINK_ATTR_TRAP_POLICER_RATE] ||
!tb[DEVLINK_ATTR_TRAP_POLICER_BURST])
return MNL_CB_ERROR;
pr_out_mon_header(genl->cmd);
pr_out_trap_policer(dl, tb, false);
break;
}
fflush(stdout);
return MNL_CB_OK;
}
static int cmd_mon_show(struct dl *dl)
{
int err;
unsigned int index = 0;
const char *cur_obj;
while ((cur_obj = dl_argv_index(dl, index++))) {
if (strcmp(cur_obj, "all") != 0 &&
strcmp(cur_obj, "dev") != 0 &&
strcmp(cur_obj, "port") != 0 &&
strcmp(cur_obj, "health") != 0 &&
strcmp(cur_obj, "trap") != 0 &&
strcmp(cur_obj, "trap-group") != 0 &&
strcmp(cur_obj, "trap-policer") != 0) {
pr_err("Unknown object \"%s\"\n", cur_obj);
return -EINVAL;
}
}
err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME);
if (err)
return err;
open_json_object(NULL);
open_json_array(PRINT_JSON, "mon");
err = _mnlg_socket_recv_run_intr(dl->nlg, cmd_mon_show_cb, dl);
close_json_array(PRINT_JSON, NULL);
close_json_object();
if (err)
return err;
return 0;
}
static void cmd_mon_help(void)
{
pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
"where OBJECT-LIST := { dev | port | health | trap | trap-group | trap-policer }\n");
}
static int cmd_mon(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_mon_help();
return 0;
}
return cmd_mon_show(dl);
}
struct dpipe_field {
char *name;
unsigned int id;
unsigned int bitwidth;
enum devlink_dpipe_field_mapping_type mapping_type;
};
struct dpipe_header {
struct list_head list;
char *name;
unsigned int id;
struct dpipe_field *fields;
unsigned int fields_count;
};
struct dpipe_table {
struct list_head list;
char *name;
unsigned int resource_id;
bool resource_valid;
};
struct dpipe_tables {
struct list_head table_list;
};
struct resource {
char *name;
uint64_t size;
uint64_t size_new;
uint64_t size_min;
uint64_t size_max;
uint64_t size_gran;
enum devlink_resource_unit unit;
bool size_valid;
uint64_t size_occ;
bool occ_valid;
uint64_t id;
struct list_head list;
struct list_head resource_list;
struct resource *parent;
};
struct resources {
struct list_head resource_list;
};
struct resource_ctx {
struct dl *dl;
int err;
struct resources *resources;
struct dpipe_tables *tables;
bool print_resources;
bool pending_change;
};
static struct resource *resource_alloc(void)
{
struct resource *resource;
resource = calloc(1, sizeof(struct resource));
if (!resource)
return NULL;
INIT_LIST_HEAD(&resource->resource_list);
return resource;
}
static void resource_free(struct resource *resource)
{
struct resource *child_resource, *tmp;
list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
list) {
free(child_resource->name);
resource_free(child_resource);
}
free(resource);
}
static struct resources *resources_alloc(void)
{
struct resources *resources;
resources = calloc(1, sizeof(struct resources));
if (!resources)
return NULL;
INIT_LIST_HEAD(&resources->resource_list);
return resources;
}
static void resources_free(struct resources *resources)
{
struct resource *resource, *tmp;
list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
resource_free(resource);
}
static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
{
ctx->resources = resources_alloc();
if (!ctx->resources)
return -ENOMEM;
ctx->dl = dl;
return 0;
}
static void resource_ctx_fini(struct resource_ctx *ctx)
{
resources_free(ctx->resources);
}
struct dpipe_ctx {
struct dl *dl;
int err;
struct list_head global_headers;
struct list_head local_headers;
struct dpipe_tables *tables;
struct resources *resources;
bool print_headers;
bool print_tables;
};
static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
{
struct dpipe_header *header;
header = calloc(1, sizeof(struct dpipe_header));
if (!header)
return NULL;
header->fields = calloc(fields_count, sizeof(struct dpipe_field));
if (!header->fields)
goto err_fields_alloc;
header->fields_count = fields_count;
return header;
err_fields_alloc:
free(header);
return NULL;
}
static void dpipe_header_free(struct dpipe_header *header)
{
free(header->fields);
free(header);
}
static void dpipe_header_clear(struct dpipe_header *header)
{
struct dpipe_field *field;
int i;
for (i = 0; i < header->fields_count; i++) {
field = &header->fields[i];
free(field->name);
}
free(header->name);
}
static void dpipe_header_add(struct dpipe_ctx *ctx,
struct dpipe_header *header, bool global)
{
if (global)
list_add(&header->list, &ctx->global_headers);
else
list_add(&header->list, &ctx->local_headers);
}
static void dpipe_header_del(struct dpipe_header *header)
{
list_del(&header->list);
}
static struct dpipe_table *dpipe_table_alloc(void)
{
return calloc(1, sizeof(struct dpipe_table));
}
static void dpipe_table_free(struct dpipe_table *table)
{
free(table);
}
static struct dpipe_tables *dpipe_tables_alloc(void)
{
struct dpipe_tables *tables;
tables = calloc(1, sizeof(struct dpipe_tables));
if (!tables)
return NULL;
INIT_LIST_HEAD(&tables->table_list);
return tables;
}
static void dpipe_tables_free(struct dpipe_tables *tables)
{
struct dpipe_table *table, *tmp;
list_for_each_entry_safe(table, tmp, &tables->table_list, list)
dpipe_table_free(table);
free(tables);
}
static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
{
ctx->tables = dpipe_tables_alloc();
if (!ctx->tables)
return -ENOMEM;
ctx->dl = dl;
INIT_LIST_HEAD(&ctx->global_headers);
INIT_LIST_HEAD(&ctx->local_headers);
return 0;
}
static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
{
struct dpipe_header *header, *tmp;
list_for_each_entry_safe(header, tmp, &ctx->global_headers,
list) {
dpipe_header_del(header);
dpipe_header_clear(header);
dpipe_header_free(header);
}
list_for_each_entry_safe(header, tmp, &ctx->local_headers,
list) {
dpipe_header_del(header);
dpipe_header_clear(header);
dpipe_header_free(header);
}
dpipe_tables_free(ctx->tables);
}
static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
uint32_t header_id, bool global)
{
struct list_head *header_list;
struct dpipe_header *header;
if (global)
header_list = &ctx->global_headers;
else
header_list = &ctx->local_headers;
list_for_each_entry(header, header_list, list) {
if (header->id != header_id)
continue;
return header->name;
}
return NULL;
}
static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
uint32_t header_id,
uint32_t field_id, bool global)
{
struct list_head *header_list;
struct dpipe_header *header;
if (global)
header_list = &ctx->global_headers;
else
header_list = &ctx->local_headers;
list_for_each_entry(header, header_list, list) {
if (header->id != header_id)
continue;
return header->fields[field_id].name;
}
return NULL;
}
static const char *
dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
{
switch (mapping_type) {
case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
return NULL;
case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
return "ifindex";
default:
return "<unknown>";
}
}
static const char *
dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
uint32_t field_id, bool global)
{
enum devlink_dpipe_field_mapping_type mapping_type;
struct list_head *header_list;
struct dpipe_header *header;
if (global)
header_list = &ctx->global_headers;
else
header_list = &ctx->local_headers;
list_for_each_entry(header, header_list, list) {
if (header->id != header_id)
continue;
mapping_type = header->fields[field_id].mapping_type;
return dpipe_field_mapping_e2s(mapping_type);
}
return NULL;
}
static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
struct dpipe_field *fields,
unsigned int field_count)
{
struct dpipe_field *field;
int i;
for (i = 0; i < field_count; i++) {
field = &fields[i];
pr_out_entry_start(ctx->dl);
check_indent_newline(ctx->dl);
print_string(PRINT_ANY, "name", "name %s", field->name);
if (ctx->dl->verbose)
print_uint(PRINT_ANY, "id", " id %u", field->id);
print_uint(PRINT_ANY, "bitwidth", " bitwidth %u", field->bitwidth);
if (field->mapping_type) {
print_string(PRINT_ANY, "mapping_type", " mapping_type %s",
dpipe_field_mapping_e2s(field->mapping_type));
}
pr_out_entry_end(ctx->dl);
}
}
static void
pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
struct dpipe_header *header, bool global)
{
pr_out_handle_start_arr(ctx->dl, tb);
check_indent_newline(ctx->dl);
print_string(PRINT_ANY, "name", "name %s", header->name);
if (ctx->dl->verbose) {
print_uint(PRINT_ANY, "id", " id %u", header->id);
print_bool(PRINT_ANY, "global", " global %s", global);
}
pr_out_array_start(ctx->dl, "field");
pr_out_dpipe_fields(ctx, header->fields,
header->fields_count);
pr_out_array_end(ctx->dl);
pr_out_handle_end(ctx->dl);
}
static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
struct nlattr **tb)
{
struct dpipe_header *header;
list_for_each_entry(header, &ctx->local_headers, list)
pr_out_dpipe_header(ctx, tb, header, false);
list_for_each_entry(header, &ctx->global_headers, list)
pr_out_dpipe_header(ctx, tb, header, true);
}
static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
{
struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
const char *name;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
!nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
!nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
!nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
return -EINVAL;
name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
field->name = strdup(name);
if (!field->name)
return -ENOMEM;
field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
return 0;
}
static int dpipe_header_fields_get(struct nlattr *nla_fields,
struct dpipe_field *fields)
{
struct nlattr *nla_field;
int count = 0;
int err;
mnl_attr_for_each_nested(nla_field, nla_fields) {
err = dpipe_header_field_get(nla_field, &fields[count]);
if (err)
return err;
count++;
}
return 0;
}
static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
{
struct nlattr *nla_field;
unsigned int count = 0;
mnl_attr_for_each_nested(nla_field, nla_fields)
count++;
return count;
}
static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
{
struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
struct dpipe_header *header;
unsigned int fields_count;
const char *header_name;
bool global;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
!nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
!nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
return -EINVAL;
fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
header = dpipe_header_alloc(fields_count);
if (!header)
return -ENOMEM;
header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
header->name = strdup(header_name);
header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
header->fields_count = fields_count;
global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
header->fields);
if (err)
goto err_field_get;
dpipe_header_add(ctx, header, global);
return 0;
err_field_get:
dpipe_header_free(header);
return err;
}
static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
{
struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
struct nlattr *nla_header;
int err;
mnl_attr_for_each_nested(nla_header, nla_headers) {
err = dpipe_header_get(ctx, nla_header);
if (err)
return err;
}
return 0;
}
static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
{
struct dpipe_ctx *ctx = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
int err;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_DPIPE_HEADERS])
return MNL_CB_ERROR;
err = dpipe_headers_get(ctx, tb);
if (err) {
ctx->err = err;
return MNL_CB_ERROR;
}
if (ctx->print_headers)
pr_out_dpipe_headers(ctx, tb);
return MNL_CB_OK;
}
static int cmd_dpipe_headers_show(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
if (err)
return err;
err = dpipe_ctx_init(&ctx, dl);
if (err)
return err;
ctx.print_headers = true;
pr_out_section_start(dl, "header");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
if (err)
pr_err("error get headers %s\n", strerror(ctx.err));
pr_out_section_end(dl);
dpipe_ctx_fini(&ctx);
return err;
}
static void cmd_dpipe_help(void)
{
pr_err("Usage: devlink dpipe table show DEV [ name TABLE_NAME ]\n");
pr_err(" devlink dpipe table set DEV name TABLE_NAME\n");
pr_err(" [ counters_enabled { true | false } ]\n");
pr_err(" devlink dpipe table dump DEV name TABLE_NAME\n");
pr_err(" devlink dpipe header show DEV\n");
}
static int cmd_dpipe_header(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_dpipe_help();
return 0;
} else if (dl_argv_match(dl, "show")) {
dl_arg_inc(dl);
return cmd_dpipe_headers_show(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static const char
*dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
{
switch (action_type) {
case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
return "field_modify";
default:
return "<unknown>";
}
}
struct dpipe_op_info {
uint32_t header_id;
uint32_t field_id;
bool header_global;
};
struct dpipe_action {
struct dpipe_op_info info;
uint32_t type;
};
static void pr_out_dpipe_action(struct dpipe_action *action,
struct dpipe_ctx *ctx)
{
struct dpipe_op_info *op_info = &action->info;
const char *mapping;
check_indent_newline(ctx->dl);
print_string(PRINT_ANY, "type", "type %s",
dpipe_action_type_e2s(action->type));
print_string(PRINT_ANY, "header", " header %s",
dpipe_header_id2s(ctx, op_info->header_id,
op_info->header_global));
print_string(PRINT_ANY, "field", " field %s",
dpipe_field_id2s(ctx, op_info->header_id,
op_info->field_id,
op_info->header_global));
mapping = dpipe_mapping_get(ctx, op_info->header_id,
op_info->field_id,
op_info->header_global);
if (mapping)
print_string(PRINT_ANY, "mapping", " mapping %s", mapping);
}
static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
{
struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
!nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
!nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
!nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
return -EINVAL;
}
action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
return 0;
}
static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
struct nlattr *nla_actions)
{
struct nlattr *nla_action;
struct dpipe_action action;
mnl_attr_for_each_nested(nla_action, nla_actions) {
pr_out_entry_start(ctx->dl);
if (dpipe_action_parse(&action, nla_action))
goto err_action_parse;
pr_out_dpipe_action(&action, ctx);
pr_out_entry_end(ctx->dl);
}
return 0;
err_action_parse:
pr_out_entry_end(ctx->dl);
return -EINVAL;
}
static const char *
dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
{
switch (match_type) {
case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
return "field_exact";
default:
return "<unknown>";
}
}
struct dpipe_match {
struct dpipe_op_info info;
uint32_t type;
};
static void pr_out_dpipe_match(struct dpipe_match *match,
struct dpipe_ctx *ctx)
{
struct dpipe_op_info *op_info = &match->info;
const char *mapping;
check_indent_newline(ctx->dl);
print_string(PRINT_ANY, "type", "type %s",
dpipe_match_type_e2s(match->type));
print_string(PRINT_ANY, "header", " header %s",
dpipe_header_id2s(ctx, op_info->header_id,
op_info->header_global));
print_string(PRINT_ANY, "field", " field %s",
dpipe_field_id2s(ctx, op_info->header_id,
op_info->field_id,
op_info->header_global));
mapping = dpipe_mapping_get(ctx, op_info->header_id,
op_info->field_id,
op_info->header_global);
if (mapping)
print_string(PRINT_ANY, "mapping", " mapping %s", mapping);
}
static int dpipe_match_parse(struct dpipe_match *match,
struct nlattr *nl)
{
struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
!nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
!nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
!nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
return -EINVAL;
}
match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
return 0;
}
static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
struct nlattr *nla_matches)
{
struct nlattr *nla_match;
struct dpipe_match match;
mnl_attr_for_each_nested(nla_match, nla_matches) {
pr_out_entry_start(ctx->dl);
if (dpipe_match_parse(&match, nla_match))
goto err_match_parse;
pr_out_dpipe_match(&match, ctx);
pr_out_entry_end(ctx->dl);
}
return 0;
err_match_parse:
pr_out_entry_end(ctx->dl);
return -EINVAL;
}
static struct resource *
resource_find(struct resources *resources, struct resource *resource,
uint64_t resource_id)
{
struct list_head *list_head;
if (!resource)
list_head = &resources->resource_list;
else
list_head = &resource->resource_list;
list_for_each_entry(resource, list_head, list) {
struct resource *child_resource;
if (resource->id == resource_id)
return resource;
child_resource = resource_find(resources, resource,
resource_id);
if (child_resource)
return child_resource;
}
return NULL;
}
static void
resource_path_print(struct dl *dl, struct resources *resources,
uint64_t resource_id)
{
struct resource *resource, *parent_resource;
const char del[] = "/";
int path_len = 0;
char *path;
resource = resource_find(resources, NULL, resource_id);
if (!resource)
return;
for (parent_resource = resource; parent_resource;
parent_resource = parent_resource->parent)
path_len += strlen(parent_resource->name) + 1;
path_len++;
path = calloc(1, path_len);
if (!path)
return;
path += path_len - 1;
for (parent_resource = resource; parent_resource;
parent_resource = parent_resource->parent) {
path -= strlen(parent_resource->name);
memcpy(path, parent_resource->name,
strlen(parent_resource->name));
path -= strlen(del);
memcpy(path, del, strlen(del));
}
check_indent_newline(dl);
print_string(PRINT_ANY, "resource_path", "resource_path %s", path);
free(path);
}
static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
{
struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
struct dpipe_table *table;
uint32_t resource_units;
bool counters_enabled;
bool resource_valid;
uint32_t size;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
!nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
!nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
!nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
!nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
return -EINVAL;
}
table = dpipe_table_alloc();
if (!table)
return -ENOMEM;
table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]));
size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] &&
ctx->resources;
if (resource_valid) {
table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
table->resource_valid = true;
}
list_add_tail(&table->list, &ctx->tables->table_list);
if (!ctx->print_tables)
return 0;
check_indent_newline(ctx->dl);
print_string(PRINT_ANY, "name", "name %s", table->name);
print_uint(PRINT_ANY, "size", " size %u", size);
print_bool(PRINT_ANY, "counters_enabled", " counters_enabled %s", counters_enabled);
if (resource_valid) {
resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
resource_path_print(ctx->dl, ctx->resources,
table->resource_id);
print_uint(PRINT_ANY, "resource_units", " resource_units %u",
resource_units);
}
pr_out_array_start(ctx->dl, "match");
if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
goto err_matches_show;
pr_out_array_end(ctx->dl);
pr_out_array_start(ctx->dl, "action");
if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
goto err_actions_show;
pr_out_array_end(ctx->dl);
return 0;
err_actions_show:
err_matches_show:
pr_out_array_end(ctx->dl);
return -EINVAL;
}
static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
{
struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
struct nlattr *nla_table;
mnl_attr_for_each_nested(nla_table, nla_tables) {
if (ctx->print_tables)
pr_out_handle_start_arr(ctx->dl, tb);
if (dpipe_table_show(ctx, nla_table))
goto err_table_show;
if (ctx->print_tables)
pr_out_handle_end(ctx->dl);
}
return 0;
err_table_show:
if (ctx->print_tables)
pr_out_handle_end(ctx->dl);
return -EINVAL;
}
static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dpipe_ctx *ctx = 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_DPIPE_TABLES])
return MNL_CB_ERROR;
if (dpipe_tables_show(ctx, tb))
return MNL_CB_ERROR;
return MNL_CB_OK;
}
static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
static int cmd_dpipe_table_show(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx dpipe_ctx = {};
struct resource_ctx resource_ctx = {};
uint16_t flags = NLM_F_REQUEST;
int err;
err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
if (err)
return err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
err = dpipe_ctx_init(&dpipe_ctx, dl);
if (err)
return err;
dpipe_ctx.print_tables = true;
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
&dpipe_ctx);
if (err) {
pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
goto err_headers_get;
}
err = resource_ctx_init(&resource_ctx, dl);
if (err)
goto err_resource_ctx_init;
resource_ctx.print_resources = false;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
&resource_ctx);
if (!err)
dpipe_ctx.resources = resource_ctx.resources;
flags = NLM_F_REQUEST | NLM_F_ACK;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
dl_opts_put(nlh, dl);
pr_out_section_start(dl, "table");
_mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
pr_out_section_end(dl);
resource_ctx_fini(&resource_ctx);
dpipe_ctx_fini(&dpipe_ctx);
return 0;
err_resource_ctx_init:
err_headers_get:
dpipe_ctx_fini(&dpipe_ctx);
return err;
}
static int cmd_dpipe_table_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
DL_OPT_DPIPE_TABLE_COUNTERS, 0);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
enum dpipe_value_type {
DPIPE_VALUE_TYPE_VALUE,
DPIPE_VALUE_TYPE_MASK,
};
static const char *
dpipe_value_type_e2s(enum dpipe_value_type type)
{
switch (type) {
case DPIPE_VALUE_TYPE_VALUE:
return "value";
case DPIPE_VALUE_TYPE_MASK:
return "value_mask";
default:
return "<unknown>";
}
}
struct dpipe_field_printer {
unsigned int field_id;
void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
};
struct dpipe_header_printer {
struct dpipe_field_printer *printers;
unsigned int printers_count;
unsigned int header_id;
};
static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
enum dpipe_value_type type,
void *value)
{
struct in_addr ip_addr;
ip_addr.s_addr = htonl(*(uint32_t *)value);
check_indent_newline(ctx->dl);
print_string_name_value(dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
}
static void
dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
enum dpipe_value_type type,
void *value)
{
check_indent_newline(ctx->dl);
print_string_name_value(dpipe_value_type_e2s(type),
ether_ntoa((struct ether_addr *)value));
}
static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
enum dpipe_value_type type,
void *value)
{
char str[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
check_indent_newline(ctx->dl);
print_string_name_value(dpipe_value_type_e2s(type), str);
}
static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
{
.printer = dpipe_field_printer_ipv4_addr,
.field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
}
};
static struct dpipe_header_printer dpipe_header_printer_ipv4 = {
.printers = dpipe_field_printers_ipv4,
.printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
.header_id = DEVLINK_DPIPE_HEADER_IPV4,
};
static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
{
.printer = dpipe_field_printer_ethernet_addr,
.field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
},
};
static struct dpipe_header_printer dpipe_header_printer_ethernet = {
.printers = dpipe_field_printers_ethernet,
.printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
.header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
};
static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
{
.printer = dpipe_field_printer_ipv6_addr,
.field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
}
};
static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
.printers = dpipe_field_printers_ipv6,
.printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
.header_id = DEVLINK_DPIPE_HEADER_IPV6,
};
static struct dpipe_header_printer *dpipe_header_printers[] = {
&dpipe_header_printer_ipv4,
&dpipe_header_printer_ethernet,
&dpipe_header_printer_ipv6,
};
static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
struct dpipe_op_info *info,
enum dpipe_value_type type,
void *value)
{
unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
struct dpipe_header_printer *header_printer;
struct dpipe_field_printer *field_printer;
unsigned int field_printers_count;
int j;
int i;
for (i = 0; i < header_printers_count; i++) {
header_printer = dpipe_header_printers[i];
if (header_printer->header_id != info->header_id)
continue;
field_printers_count = header_printer->printers_count;
for (j = 0; j < field_printers_count; j++) {
field_printer = &header_printer->printers[j];
if (field_printer->field_id != info->field_id)
continue;
field_printer->printer(ctx, type, value);
return 0;
}
}
return -EINVAL;
}
static void __pr_out_entry_value(struct dpipe_ctx *ctx,
void *value,
unsigned int value_len,
struct dpipe_op_info *info,
enum dpipe_value_type type)
{
if (info->header_global &&
!dpipe_print_prot_header(ctx, info, type, value))
return;
if (value_len == sizeof(uint32_t)) {
uint32_t *value_32 = value;
check_indent_newline(ctx->dl);
print_uint_name_value(dpipe_value_type_e2s(type), *value_32);
}
}
static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
struct nlattr **nla_match_value,
struct dpipe_op_info *info)
{
void *value, *value_mask;
uint32_t value_mapping;
uint16_t value_len;
bool mask, mapping;
mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
if (mapping) {
value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
check_indent_newline(ctx->dl);
print_uint(PRINT_ANY, "mapping_value", "mapping_value %u", value_mapping);
}
if (mask) {
value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
__pr_out_entry_value(ctx, value_mask, value_len, info,
DPIPE_VALUE_TYPE_MASK);
}
__pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
}
static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
struct nlattr *nl)
{
struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
struct dpipe_match match;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
return -EINVAL;
}
pr_out_entry_start(ctx->dl);
if (dpipe_match_parse(&match,
nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
goto err_match_parse;
pr_out_dpipe_match(&match, ctx);
pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
pr_out_entry_end(ctx->dl);
return 0;
err_match_parse:
pr_out_entry_end(ctx->dl);
return -EINVAL;
}
static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
struct nlattr *nl)
{
struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
struct dpipe_action action;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
!nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
return -EINVAL;
}
pr_out_entry_start(ctx->dl);
if (dpipe_action_parse(&action,
nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
goto err_action_parse;
pr_out_dpipe_action(&action, ctx);
pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
pr_out_entry_end(ctx->dl);
return 0;
err_action_parse:
pr_out_entry_end(ctx->dl);
return -EINVAL;
}
static int
dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
struct nlattr *nla_action_values)
{
struct nlattr *nla_action_value;
mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
if (dpipe_entry_action_value_show(ctx, nla_action_value))
return -EINVAL;
}
return 0;
}
static int
dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
struct nlattr *nla_match_values)
{
struct nlattr *nla_match_value;
mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
if (dpipe_entry_match_value_show(ctx, nla_match_value))
return -EINVAL;
}
return 0;
}
static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
{
struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
uint32_t entry_index;
uint64_t counter;
int err;
err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
return -EINVAL;
}
check_indent_newline(ctx->dl);
entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
print_uint(PRINT_ANY, "index", "index %u", entry_index);
if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
print_uint(PRINT_ANY, "counter", " counter %u", counter);
}
pr_out_array_start(ctx->dl, "match_value");
if (dpipe_tables_match_values_show(ctx,
nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
goto err_match_values_show;
pr_out_array_end(ctx->dl);
pr_out_array_start(ctx->dl, "action_value");
if (dpipe_tables_action_values_show(ctx,
nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
goto err_action_values_show;
pr_out_array_end(ctx->dl);
return 0;
err_action_values_show:
err_match_values_show:
pr_out_array_end(ctx->dl);
return -EINVAL;
}
static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
{
struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
struct nlattr *nla_entry;
mnl_attr_for_each_nested(nla_entry, nla_entries) {
pr_out_handle_start_arr(ctx->dl, tb);
if (dpipe_entry_show(ctx, nla_entry))
goto err_entry_show;
pr_out_handle_end(ctx->dl);
}
return 0;
err_entry_show:
pr_out_handle_end(ctx->dl);
return -EINVAL;
}
static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
{
struct dpipe_ctx *ctx = 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_DPIPE_ENTRIES])
return MNL_CB_ERROR;
if (dpipe_table_entries_show(ctx, tb))
return MNL_CB_ERROR;
return MNL_CB_OK;
}
static int cmd_dpipe_table_dump(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST;
int err;
err = dpipe_ctx_init(&ctx, dl);
if (err)
return err;
err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
if (err)
goto out;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
if (err) {
pr_err("error get headers %s\n", strerror(ctx.err));
goto out;
}
flags = NLM_F_REQUEST | NLM_F_ACK;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
dl_opts_put(nlh, dl);
pr_out_section_start(dl, "table_entry");
_mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
pr_out_section_end(dl);
out:
dpipe_ctx_fini(&ctx);
return err;
}
static int cmd_dpipe_table(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_dpipe_help();
return 0;
} else if (dl_argv_match(dl, "show")) {
dl_arg_inc(dl);
return cmd_dpipe_table_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_dpipe_table_set(dl);
} else if (dl_argv_match(dl, "dump")) {
dl_arg_inc(dl);
return cmd_dpipe_table_dump(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_dpipe(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_dpipe_help();
return 0;
} else if (dl_argv_match(dl, "header")) {
dl_arg_inc(dl);
return cmd_dpipe_header(dl);
} else if (dl_argv_match(dl, "table")) {
dl_arg_inc(dl);
return cmd_dpipe_table(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int
resource_parse(struct resource_ctx *ctx, struct resource *resource,
struct nlattr **nla_resource)
{
if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
!nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
!nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
!nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
!nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
!nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
!nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
return -EINVAL;
}
resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
else
resource->size_new = resource->size;
if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
resource->occ_valid = true;
}
if (resource->size_new != resource->size)
ctx->pending_change = true;
return 0;
}
static int
resource_get(struct resource_ctx *ctx, struct resource *resource,
struct resource *parent_resource, struct nlattr *nl)
{
struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *nla_child_resource;
struct nlattr *nla_resources;
bool top = false;
int err;
if (!resource) {
nla_resources = nl;
top = true;
goto out;
}
err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
if (err != MNL_CB_OK)
return -EINVAL;
err = resource_parse(ctx, resource, nla_resource);
if (err)
return err;
resource->parent = parent_resource;
if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
return 0;
resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
out:
mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
struct resource *child_resource;
struct list_head *list;
child_resource = resource_alloc();
if (!child_resource)
return -ENOMEM;
if (top)
list = &ctx->resources->resource_list;
else
list = &resource->resource_list;
list_add_tail(&child_resource->list, list);
err = resource_get(ctx, child_resource, resource,
nla_child_resource);
if (err)
return err;
}
return 0;
}
static const char *resource_unit_str_get(enum devlink_resource_unit unit)
{
switch (unit) {
case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
default: return "<unknown unit>";
}
}
static void resource_show(struct resource *resource,
struct resource_ctx *ctx)
{
struct resource *child_resource;
struct dpipe_table *table;
struct dl *dl = ctx->dl;
bool array = false;
check_indent_newline(dl);
print_string(PRINT_ANY, "name", "name %s", resource->name);
if (dl->verbose)
resource_path_print(dl, ctx->resources, resource->id);
pr_out_u64(dl, "size", resource->size);
if (resource->size != resource->size_new)
pr_out_u64(dl, "size_new", resource->size_new);
if (resource->occ_valid)
print_uint(PRINT_ANY, "occ", " occ %u", resource->size_occ);
print_string(PRINT_ANY, "unit", " unit %s",
resource_unit_str_get(resource->unit));
if (resource->size_min != resource->size_max) {
print_uint(PRINT_ANY, "size_min", " size_min %u",
resource->size_min);
pr_out_u64(dl, "size_max", resource->size_max);
print_uint(PRINT_ANY, "size_gran", " size_gran %u",
resource->size_gran);
}
list_for_each_entry(table, &ctx->tables->table_list, list)
if (table->resource_id == resource->id &&
table->resource_valid)
array = true;
if (array)
pr_out_array_start(dl, "dpipe_tables");
else
print_string(PRINT_ANY, "dpipe_tables", " dpipe_tables none",
"none");
list_for_each_entry(table, &ctx->tables->table_list, list) {
if (table->resource_id != resource->id ||
!table->resource_valid)
continue;
pr_out_entry_start(dl);
check_indent_newline(dl);
print_string(PRINT_ANY, "table_name", "table_name %s",
table->name);
pr_out_entry_end(dl);
}
if (array)
pr_out_array_end(dl);
if (list_empty(&resource->resource_list))
return;
if (ctx->pending_change) {
check_indent_newline(dl);
print_string(PRINT_ANY, "size_valid", "size_valid %s",
resource->size_valid ? "true" : "false");
}
pr_out_array_start(dl, "resources");
list_for_each_entry(child_resource, &resource->resource_list, list) {
pr_out_entry_start(dl);
resource_show(child_resource, ctx);
pr_out_entry_end(dl);
}
pr_out_array_end(dl);
}
static void
resources_show(struct resource_ctx *ctx, struct nlattr **tb)
{
struct resources *resources = ctx->resources;
struct resource *resource;
list_for_each_entry(resource, &resources->resource_list, list) {
pr_out_handle_start_arr(ctx->dl, tb);
resource_show(resource, ctx);
pr_out_handle_end(ctx->dl);
}
}
static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
{
return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
}
static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
{
struct resource_ctx *ctx = data;
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
int err;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_RESOURCE_LIST])
return MNL_CB_ERROR;
err = resources_get(ctx, tb);
if (err) {
ctx->err = err;
return MNL_CB_ERROR;
}
if (ctx->print_resources)
resources_show(ctx, tb);
return MNL_CB_OK;
}
static int cmd_resource_show(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx dpipe_ctx = {};
struct resource_ctx resource_ctx = {};
int err;
err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
if (err)
return err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
NLM_F_REQUEST);
dl_opts_put(nlh, dl);
err = dpipe_ctx_init(&dpipe_ctx, dl);
if (err)
return err;
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
&dpipe_ctx);
if (err) {
pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
goto out;
}
err = resource_ctx_init(&resource_ctx, dl);
if (err)
goto out;
resource_ctx.print_resources = true;
resource_ctx.tables = dpipe_ctx.tables;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
NLM_F_REQUEST | NLM_F_ACK);
dl_opts_put(nlh, dl);
pr_out_section_start(dl, "resources");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
&resource_ctx);
pr_out_section_end(dl);
resource_ctx_fini(&resource_ctx);
out:
dpipe_ctx_fini(&dpipe_ctx);
return err;
}
static void cmd_resource_help(void)
{
pr_err("Usage: devlink resource show DEV\n"
" devlink resource set DEV path PATH size SIZE\n");
}
static struct resource *
resource_find_by_name(struct list_head *list, char *name)
{
struct resource *resource;
list_for_each_entry(resource, list, list) {
if (!strcmp(resource->name, name))
return resource;
}
return NULL;
}
static int
resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
uint32_t *p_resource_id, bool *p_resource_valid)
{
struct resource *resource;
uint32_t resource_id = 0;
char *resource_path_dup;
struct list_head *list;
const char del[] = "/";
char *resource_name;
resource_path_dup = strdup(resource_path);
list = &ctx->resources->resource_list;
resource_name = strtok(resource_path_dup, del);
while (resource_name != NULL) {
resource = resource_find_by_name(list, resource_name);
if (!resource)
goto err_resource_lookup;
list = &resource->resource_list;
resource_name = strtok(NULL, del);
resource_id = resource->id;
}
free(resource_path_dup);
*p_resource_valid = true;
*p_resource_id = resource_id;
return 0;
err_resource_lookup:
free(resource_path_dup);
return -EINVAL;
}
static int cmd_resource_set(struct dl *dl)
{
struct nlmsghdr *nlh;
struct resource_ctx ctx = {};
int err;
err = resource_ctx_init(&ctx, dl);
if (err)
return err;
ctx.print_resources = false;
err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
DL_OPT_RESOURCE_SIZE, 0);
if (err)
goto out;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
NLM_F_REQUEST);
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
if (err) {
pr_err("error getting resources %s\n", strerror(ctx.err));
goto out;
}
err = resource_path_parse(&ctx, dl->opts.resource_path,
&dl->opts.resource_id,
&dl->opts.resource_id_valid);
if (err) {
pr_err("error parsing resource path %s\n", strerror(-err));
goto out;
}
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
NLM_F_REQUEST | NLM_F_ACK);
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
out:
resource_ctx_fini(&ctx);
return err;
}
static int cmd_resource(struct dl *dl)
{
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
cmd_resource_help();
return 0;
} else if (dl_argv_match(dl, "show")) {
dl_arg_inc(dl);
return cmd_resource_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_resource_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
{
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]);
const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
char buf[256];
sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
if (dl->json_output)
open_json_object(buf);
else
pr_out("%s:", buf);
}
static void pr_out_region_handle_end(struct dl *dl)
{
if (dl->json_output)
close_json_object();
else
pr_out("\n");
}
static void pr_out_region_snapshots_start(struct dl *dl, bool array)
{
__pr_out_indent_newline(dl);
if (dl->json_output)
open_json_array(PRINT_JSON, "snapshot");
else
pr_out("snapshot %s", array ? "[" : "");
}
static void pr_out_region_snapshots_end(struct dl *dl, bool array)
{
if (dl->json_output)
close_json_array(PRINT_JSON, NULL);
else if (array)
pr_out("]");
}
static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
{
uint32_t snapshot_id;
if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
return;
snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
if (dl->json_output)
print_uint(PRINT_JSON, NULL, NULL, snapshot_id);
else
pr_out("%s%u", index ? " " : "", snapshot_id);
}
static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
{
struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *nla_sanpshot;
int err, index = 0;
pr_out_region_snapshots_start(dl, true);
mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
if (err != MNL_CB_OK)
return;
pr_out_region_snapshots_id(dl, tb_snapshot, index++);
}
pr_out_region_snapshots_end(dl, true);
}
static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
{
pr_out_region_snapshots_start(dl, false);
pr_out_region_snapshots_id(dl, tb, 0);
pr_out_region_snapshots_end(dl, false);
}
static void pr_out_region(struct dl *dl, struct nlattr **tb)
{
pr_out_region_handle_start(dl, tb);
if (tb[DEVLINK_ATTR_REGION_SIZE])
pr_out_u64(dl, "size",
mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
pr_out_snapshots(dl, tb);
if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
pr_out_snapshot(dl, tb);
pr_out_region_handle_end(dl);
}
static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
return MNL_CB_ERROR;
pr_out_region(dl, tb);
return MNL_CB_OK;
}
static int cmd_region_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_REGION_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
if (err)
return err;
}
pr_out_section_start(dl, "regions");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_region_snapshot_del(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
DL_OPT_REGION_SNAPSHOT_ID, 0);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
int err;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_REGION_CHUNKS])
return MNL_CB_ERROR;
mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
if (err != MNL_CB_OK)
return MNL_CB_ERROR;
nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
if (!nla_chunk_data)
continue;
nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
if (!nla_chunk_addr)
continue;
pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
mnl_attr_get_payload_len(nla_chunk_data),
mnl_attr_get_u64(nla_chunk_addr));
}
return MNL_CB_OK;
}
static int cmd_region_dump(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
DL_OPT_REGION_SNAPSHOT_ID, 0);
if (err)
return err;
pr_out_section_start(dl, "dump");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
pr_out_section_end(dl);
if (!dl->json_output)
pr_out("\n");
return err;
}
static int cmd_region_read(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
DL_OPT_REGION_SNAPSHOT_ID, 0);
if (err)
return err;
pr_out_section_start(dl, "read");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
pr_out_section_end(dl);
if (!dl->json_output)
pr_out("\n");
return err;
}
static int cmd_region_snapshot_new_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_REGION_NAME] ||
!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
return MNL_CB_ERROR;
pr_out_region(dl, tb);
return MNL_CB_OK;
}
static int cmd_region_snapshot_new(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_NEW,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION,
DL_OPT_REGION_SNAPSHOT_ID);
if (err)
return err;
pr_out_section_start(dl, "regions");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_snapshot_new_cb, dl);
pr_out_section_end(dl);
return err;
}
static void cmd_region_help(void)
{
pr_err("Usage: devlink region show [ DEV/REGION ]\n");
pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
pr_err(" devlink region new DEV/REGION snapshot SNAPSHOT_ID\n");
pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
}
static int cmd_region(struct dl *dl)
{
if (dl_no_arg(dl)) {
return cmd_region_show(dl);
} else if (dl_argv_match(dl, "help")) {
cmd_region_help();
return 0;
} else if (dl_argv_match(dl, "show")) {
dl_arg_inc(dl);
return cmd_region_show(dl);
} else if (dl_argv_match(dl, "del")) {
dl_arg_inc(dl);
return cmd_region_snapshot_del(dl);
} else if (dl_argv_match(dl, "dump")) {
dl_arg_inc(dl);
return cmd_region_dump(dl);
} else if (dl_argv_match(dl, "read")) {
dl_arg_inc(dl);
return cmd_region_read(dl);
} else if (dl_argv_match(dl, "new")) {
dl_arg_inc(dl);
return cmd_region_snapshot_new(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_health_set_params(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME,
DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD |
DL_OPT_HEALTH_REPORTER_AUTO_RECOVER |
DL_OPT_HEALTH_REPORTER_AUTO_DUMP);
if (err)
return err;
dl_opts_put(nlh, dl);
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_health_dump_clear(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_HANDLEP |
DL_OPT_HEALTH_REPORTER_NAME, 0);
if (err)
return err;
dl_opts_put(nlh, dl);
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data)
{
uint8_t *data;
uint32_t len;
check_indent_newline(dl);
switch (type) {
case MNL_TYPE_FLAG:
print_bool(PRINT_ANY, NULL, "%s", mnl_attr_get_u8(nl_data));
break;
case MNL_TYPE_U8:
print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u8(nl_data));
break;
case MNL_TYPE_U16:
print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u16(nl_data));
break;
case MNL_TYPE_U32:
print_uint(PRINT_ANY, NULL, "%u", mnl_attr_get_u32(nl_data));
break;
case MNL_TYPE_U64:
print_u64(PRINT_ANY, NULL, "%"PRIu64, mnl_attr_get_u64(nl_data));
break;
case MNL_TYPE_NUL_STRING:
print_string(PRINT_ANY, NULL, "%s", mnl_attr_get_str(nl_data));
break;
case MNL_TYPE_BINARY:
len = mnl_attr_get_payload_len(nl_data);
data = mnl_attr_get_payload(nl_data);
pr_out_binary_value(dl, data, len);
break;
default:
return -EINVAL;
}
return MNL_CB_OK;
}
static void pr_out_fmsg_name(struct dl *dl, char **name)
{
if (!*name)
return;
pr_out_name(dl, *name);
free(*name);
*name = NULL;
}
struct nest_entry {
int attr_type;
struct list_head list;
};
struct fmsg_cb_data {
char *name;
struct dl *dl;
uint8_t value_type;
struct list_head entry_list;
};
static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data,
uint8_t *attr_value, bool insert)
{
struct nest_entry *entry;
if (insert) {
entry = malloc(sizeof(struct nest_entry));
if (!entry)
return -ENOMEM;
entry->attr_type = *attr_value;
list_add(&entry->list, &fmsg_data->entry_list);
} else {
if (list_empty(&fmsg_data->entry_list))
return MNL_CB_ERROR;
entry = list_first_entry(&fmsg_data->entry_list,
struct nest_entry, list);
*attr_value = entry->attr_type;
list_del(&entry->list);
free(entry);
}
return MNL_CB_OK;
}
static void pr_out_fmsg_group_start(struct dl *dl, char **name)
{
__pr_out_newline();
pr_out_fmsg_name(dl, name);
__pr_out_newline();
__pr_out_indent_inc();
}
static void pr_out_fmsg_group_end(struct dl *dl)
{
__pr_out_newline();
__pr_out_indent_dec();
}
static void pr_out_fmsg_start_object(struct dl *dl, char **name)
{
if (dl->json_output) {
pr_out_fmsg_name(dl, name);
open_json_object(NULL);
} else {
pr_out_fmsg_group_start(dl, name);
}
}
static void pr_out_fmsg_end_object(struct dl *dl)
{
if (dl->json_output)
close_json_object();
else
pr_out_fmsg_group_end(dl);
}
static void pr_out_fmsg_start_array(struct dl *dl, char **name)
{
if (dl->json_output) {
pr_out_fmsg_name(dl, name);
open_json_array(PRINT_JSON, NULL);
} else {
pr_out_fmsg_group_start(dl, name);
}
}
static void pr_out_fmsg_end_array(struct dl *dl)
{
if (dl->json_output)
close_json_array(PRINT_JSON, NULL);
else
pr_out_fmsg_group_end(dl);
}
static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value,
bool start)
{
struct dl *dl = fmsg_data->dl;
uint8_t value = nest_value;
int err;
err = cmd_fmsg_nest_queue(fmsg_data, &value, start);
if (err != MNL_CB_OK)
return err;
switch (value) {
case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
if (start)
pr_out_fmsg_start_object(dl, &fmsg_data->name);
else
pr_out_fmsg_end_object(dl);
break;
case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
break;
case DEVLINK_ATTR_FMSG_ARR_NEST_START:
if (start)
pr_out_fmsg_start_array(dl, &fmsg_data->name);
else
pr_out_fmsg_end_array(dl);
break;
default:
return -EINVAL;
}
return MNL_CB_OK;
}
static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct fmsg_cb_data *fmsg_data = data;
struct dl *dl = fmsg_data->dl;
struct nlattr *nla_object;
int attr_type;
int err;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_FMSG])
return MNL_CB_ERROR;
mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) {
attr_type = mnl_attr_get_type(nla_object);
switch (attr_type) {
case DEVLINK_ATTR_FMSG_OBJ_NEST_START:
case DEVLINK_ATTR_FMSG_PAIR_NEST_START:
case DEVLINK_ATTR_FMSG_ARR_NEST_START:
err = cmd_fmsg_nest(fmsg_data, attr_type, true);
if (err != MNL_CB_OK)
return err;
break;
case DEVLINK_ATTR_FMSG_NEST_END:
err = cmd_fmsg_nest(fmsg_data, attr_type, false);
if (err != MNL_CB_OK)
return err;
break;
case DEVLINK_ATTR_FMSG_OBJ_NAME:
free(fmsg_data->name);
fmsg_data->name = strdup(mnl_attr_get_str(nla_object));
if (!fmsg_data->name)
return -ENOMEM;
break;
case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE:
fmsg_data->value_type = mnl_attr_get_u8(nla_object);
break;
case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA:
pr_out_fmsg_name(dl, &fmsg_data->name);
err = fmsg_value_show(dl, fmsg_data->value_type,
nla_object);
if (err != MNL_CB_OK)
return err;
break;
default:
return -EINVAL;
}
}
return MNL_CB_OK;
}
static void cmd_fmsg_init(struct dl *dl, struct fmsg_cb_data *data)
{
/* FMSG is dynamic: opening of an object or array causes a
* newline. JSON starts with an { or [, but plain text should
* not start with a new line. Ensure this by setting
* g_new_line_count to 1: avoiding newline before the first
* print.
*/
g_new_line_count = 1;
data->name = NULL;
data->dl = dl;
INIT_LIST_HEAD(&data->entry_list);
}
static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags)
{
struct fmsg_cb_data data;
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, cmd, flags | NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_HANDLEP |
DL_OPT_HEALTH_REPORTER_NAME, 0);
if (err)
return err;
cmd_fmsg_init(dl, &data);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_fmsg_object_cb, &data);
free(data.name);
return err;
}
static int cmd_health_dump_show(struct dl *dl)
{
return cmd_health_object_common(dl,
DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
NLM_F_DUMP);
}
static int cmd_health_diagnose(struct dl *dl)
{
return cmd_health_object_common(dl,
DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
0);
}
static int cmd_health_recover(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_HANDLEP |
DL_OPT_HEALTH_REPORTER_NAME, 0);
if (err)
return err;
dl_opts_put(nlh, dl);
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
enum devlink_health_reporter_state {
DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
DEVLINK_HEALTH_REPORTER_STATE_ERROR,
};
static const char *health_state_name(uint8_t state)
{
switch (state) {
case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY:
return HEALTH_REPORTER_STATE_HEALTHY_STR;
case DEVLINK_HEALTH_REPORTER_STATE_ERROR:
return HEALTH_REPORTER_STATE_ERROR_STR;
default:
return "<unknown state>";
}
}
static void pr_out_dump_reporter_format_logtime(struct dl *dl, const struct nlattr *attr)
{
char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
uint64_t time_ms = mnl_attr_get_u64(attr);
struct sysinfo s_info;
struct tm *info;
time_t now, sec;
int err;
time(&now);
info = localtime(&now);
err = sysinfo(&s_info);
if (err)
goto out;
/* Subtract uptime in sec from now yields the time of system
* uptime. To this, add time_ms which is the amount of
* milliseconds elapsed between uptime and the dump taken.
*/
sec = now - s_info.uptime + time_ms / 1000;
info = localtime(&sec);
out:
strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info);
strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info);
check_indent_newline(dl);
print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date);
print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time);
}
static void pr_out_dump_report_timestamp(struct dl *dl, const struct nlattr *attr)
{
char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN];
time_t tv_sec;
struct tm *tm;
uint64_t ts;
ts = mnl_attr_get_u64(attr);
tv_sec = ts / 1000000000;
tm = localtime(&tv_sec);
strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", tm);
strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", tm);
check_indent_newline(dl);
print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date);
print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time);
}
static void pr_out_health(struct dl *dl, struct nlattr **tb_health,
bool print_device, bool print_port)
{
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
enum devlink_health_reporter_state state;
int err;
err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER],
attr_cb, tb);
if (err != MNL_CB_OK)
return;
if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] ||
!tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] ||
!tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] ||
!tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE])
return;
if (!print_device && !print_port)
return;
if (print_port) {
if (!print_device && !tb_health[DEVLINK_ATTR_PORT_INDEX])
return;
else if (tb_health[DEVLINK_ATTR_PORT_INDEX])
pr_out_port_handle_start_arr(dl, tb_health, false);
}
if (print_device) {
if (!print_port && tb_health[DEVLINK_ATTR_PORT_INDEX])
return;
else if (!tb_health[DEVLINK_ATTR_PORT_INDEX])
pr_out_handle_start_arr(dl, tb_health);
}
check_indent_newline(dl);
print_string(PRINT_ANY, "reporter", "reporter %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME]));
if (!dl->json_output) {
__pr_out_newline();
__pr_out_indent_inc();
}
state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]);
check_indent_newline(dl);
print_string(PRINT_ANY, "state", "state %s", health_state_name(state));
pr_out_u64(dl, "error",
mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT]));
pr_out_u64(dl, "recover",
mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT]));
if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS])
pr_out_dump_report_timestamp(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]);
else if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS])
pr_out_dump_reporter_format_logtime(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]);
if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])
pr_out_u64(dl, "grace_period",
mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]));
if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])
print_bool(PRINT_ANY, "auto_recover", " auto_recover %s",
mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]));
if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP])
print_bool(PRINT_ANY, "auto_dump", " auto_dump %s",
mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]));
__pr_out_indent_dec();
pr_out_handle_end(dl);
}
struct health_ctx {
struct dl *dl;
bool show_device;
bool show_port;
};
static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct health_ctx *ctx = data;
struct dl *dl = ctx->dl;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_HEALTH_REPORTER])
return MNL_CB_ERROR;
pr_out_health(dl, tb, ctx->show_device, ctx->show_port);
return MNL_CB_OK;
}
static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port)
{
struct nlmsghdr *nlh;
struct health_ctx ctx = { dl, show_device, show_port };
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_HEALTH_REPORTER_GET,
flags);
if (dl_argc(dl) > 0) {
ctx.show_port = true;
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_HANDLEP |
DL_OPT_HEALTH_REPORTER_NAME, 0);
if (err)
return err;
}
pr_out_section_start(dl, "health");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_health_show_cb, &ctx);
pr_out_section_end(dl);
return err;
}
static void cmd_health_help(void)
{
pr_err("Usage: devlink health show [ { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME ]\n");
pr_err(" devlink health recover { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n");
pr_err(" devlink health diagnose { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n");
pr_err(" devlink health dump show { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n");
pr_err(" devlink health dump clear { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n");
pr_err(" devlink health set { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n");
pr_err(" [ grace_period MSEC ]\n");
pr_err(" [ auto_recover { true | false } ]\n");
pr_err(" [ auto_dump { true | false } ]\n");
}
static int cmd_health(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_health_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_health_show(dl, true, true);
} else if (dl_argv_match(dl, "recover")) {
dl_arg_inc(dl);
return cmd_health_recover(dl);
} else if (dl_argv_match(dl, "diagnose")) {
dl_arg_inc(dl);
return cmd_health_diagnose(dl);
} else if (dl_argv_match(dl, "dump")) {
dl_arg_inc(dl);
if (dl_argv_match(dl, "show")) {
dl_arg_inc(dl);
return cmd_health_dump_show(dl);
} else if (dl_argv_match(dl, "clear")) {
dl_arg_inc(dl);
return cmd_health_dump_clear(dl);
}
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_health_set_params(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static const char *trap_type_name(uint8_t type)
{
switch (type) {
case DEVLINK_TRAP_TYPE_DROP:
return "drop";
case DEVLINK_TRAP_TYPE_EXCEPTION:
return "exception";
case DEVLINK_TRAP_TYPE_CONTROL:
return "control";
default:
return "<unknown type>";
}
}
static const char *trap_action_name(uint8_t action)
{
switch (action) {
case DEVLINK_TRAP_ACTION_DROP:
return "drop";
case DEVLINK_TRAP_ACTION_TRAP:
return "trap";
case DEVLINK_TRAP_ACTION_MIRROR:
return "mirror";
default:
return "<unknown action>";
}
}
static const char *trap_metadata_name(const struct nlattr *attr)
{
switch (attr->nla_type) {
case DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT:
return "input_port";
case DEVLINK_ATTR_TRAP_METADATA_TYPE_FA_COOKIE:
return "flow_action_cookie";
default:
return "<unknown metadata type>";
}
}
static void pr_out_trap_metadata(struct dl *dl, struct nlattr *attr)
{
struct nlattr *attr_metadata;
pr_out_array_start(dl, "metadata");
mnl_attr_for_each_nested(attr_metadata, attr) {
check_indent_newline(dl);
print_string(PRINT_ANY, NULL, "%s",
trap_metadata_name(attr_metadata));
}
pr_out_array_end(dl);
}
static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array)
{
uint8_t action = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_ACTION]);
uint8_t type = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_TYPE]);
if (array)
pr_out_handle_start_arr(dl, tb);
else
__pr_out_handle_start(dl, tb, true, false);
check_indent_newline(dl);
print_string(PRINT_ANY, "name", "name %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_NAME]));
print_string(PRINT_ANY, "type", " type %s", trap_type_name(type));
print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]);
print_string(PRINT_ANY, "action", " action %s", trap_action_name(action));
print_string(PRINT_ANY, "group", " group %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME]));
if (dl->verbose)
pr_out_trap_metadata(dl, tb[DEVLINK_ATTR_TRAP_METADATA]);
pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
pr_out_handle_end(dl);
}
static int cmd_trap_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_TRAP_NAME] || !tb[DEVLINK_ATTR_TRAP_TYPE] ||
!tb[DEVLINK_ATTR_TRAP_ACTION] ||
!tb[DEVLINK_ATTR_TRAP_GROUP_NAME] ||
!tb[DEVLINK_ATTR_TRAP_METADATA] || !tb[DEVLINK_ATTR_STATS])
return MNL_CB_ERROR;
pr_out_trap(dl, tb, true);
return MNL_CB_OK;
}
static void cmd_trap_help(void)
{
pr_err("Usage: devlink trap set DEV trap TRAP [ action { trap | drop | mirror } ]\n");
pr_err(" devlink trap show [ DEV trap TRAP ]\n");
pr_err(" devlink trap group set DEV group GROUP [ action { trap | drop | mirror } ]\n");
pr_err(" [ policer POLICER ] [ nopolicer ]\n");
pr_err(" devlink trap group show [ DEV group GROUP ]\n");
pr_err(" devlink trap policer set DEV policer POLICER [ rate RATE ] [ burst BURST ]\n");
pr_err(" devlink trap policer show DEV policer POLICER\n");
}
static int cmd_trap_show(struct dl *dl)
{
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
struct nlmsghdr *nlh;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_TRAP_NAME, 0);
if (err)
return err;
}
pr_out_section_start(dl, "trap");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_trap_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_TRAP_NAME,
DL_OPT_TRAP_ACTION);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array)
{
if (array)
pr_out_handle_start_arr(dl, tb);
else
__pr_out_handle_start(dl, tb, true, false);
check_indent_newline(dl);
print_string(PRINT_ANY, "name", "name %s",
mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME]));
print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]);
if (tb[DEVLINK_ATTR_TRAP_POLICER_ID])
print_uint(PRINT_ANY, "policer", " policer %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_TRAP_POLICER_ID]));
pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
pr_out_handle_end(dl);
}
static int cmd_trap_group_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_STATS])
return MNL_CB_ERROR;
pr_out_trap_group(dl, tb, true);
return MNL_CB_OK;
}
static int cmd_trap_group_show(struct dl *dl)
{
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
struct nlmsghdr *nlh;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GROUP_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME,
0);
if (err)
return err;
}
pr_out_section_start(dl, "trap_group");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_group_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_trap_group_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_GROUP_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME,
DL_OPT_TRAP_ACTION | DL_OPT_TRAP_POLICER_ID);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_trap_group(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_trap_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_trap_group_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_trap_group_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void pr_out_trap_policer(struct dl *dl, struct nlattr **tb, bool array)
{
if (array)
pr_out_handle_start_arr(dl, tb);
else
__pr_out_handle_start(dl, tb, true, false);
check_indent_newline(dl);
print_uint(PRINT_ANY, "policer", "policer %u",
mnl_attr_get_u32(tb[DEVLINK_ATTR_TRAP_POLICER_ID]));
print_u64(PRINT_ANY, "rate", " rate %llu",
mnl_attr_get_u64(tb[DEVLINK_ATTR_TRAP_POLICER_RATE]));
print_u64(PRINT_ANY, "burst", " burst %llu",
mnl_attr_get_u64(tb[DEVLINK_ATTR_TRAP_POLICER_BURST]));
if (tb[DEVLINK_ATTR_STATS])
pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]);
pr_out_handle_end(dl);
}
static int cmd_trap_policer_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
struct dl *dl = data;
mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
!tb[DEVLINK_ATTR_TRAP_POLICER_ID] ||
!tb[DEVLINK_ATTR_TRAP_POLICER_RATE] ||
!tb[DEVLINK_ATTR_TRAP_POLICER_BURST])
return MNL_CB_ERROR;
pr_out_trap_policer(dl, tb, true);
return MNL_CB_OK;
}
static int cmd_trap_policer_show(struct dl *dl)
{
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
struct nlmsghdr *nlh;
int err;
if (dl_argc(dl) == 0)
flags |= NLM_F_DUMP;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_POLICER_GET, flags);
if (dl_argc(dl) > 0) {
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_TRAP_POLICER_ID,
0);
if (err)
return err;
}
pr_out_section_start(dl, "trap_policer");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_trap_policer_show_cb, dl);
pr_out_section_end(dl);
return err;
}
static int cmd_trap_policer_set(struct dl *dl)
{
struct nlmsghdr *nlh;
int err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_TRAP_POLICER_SET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl,
DL_OPT_HANDLE | DL_OPT_TRAP_POLICER_ID,
DL_OPT_TRAP_POLICER_RATE |
DL_OPT_TRAP_POLICER_BURST);
if (err)
return err;
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_trap_policer(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_trap_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_trap_policer_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_trap_policer_set(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int cmd_trap(struct dl *dl)
{
if (dl_argv_match(dl, "help")) {
cmd_trap_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_trap_show(dl);
} else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_trap_set(dl);
} else if (dl_argv_match(dl, "group")) {
dl_arg_inc(dl);
return cmd_trap_group(dl);
} else if (dl_argv_match(dl, "policer")) {
dl_arg_inc(dl);
return cmd_trap_policer(dl);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static void help(void)
{
pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
" devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname\n"
"where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health | trap }\n"
" OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] }\n");
}
static int dl_cmd(struct dl *dl, int argc, char **argv)
{
dl->argc = argc;
dl->argv = argv;
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
help();
return 0;
} else if (dl_argv_match(dl, "dev")) {
dl_arg_inc(dl);
return cmd_dev(dl);
} else if (dl_argv_match(dl, "port")) {
dl_arg_inc(dl);
return cmd_port(dl);
} else if (dl_argv_match(dl, "sb")) {
dl_arg_inc(dl);
return cmd_sb(dl);
} else if (dl_argv_match(dl, "monitor")) {
dl_arg_inc(dl);
return cmd_mon(dl);
} else if (dl_argv_match(dl, "dpipe")) {
dl_arg_inc(dl);
return cmd_dpipe(dl);
} else if (dl_argv_match(dl, "resource")) {
dl_arg_inc(dl);
return cmd_resource(dl);
} else if (dl_argv_match(dl, "region")) {
dl_arg_inc(dl);
return cmd_region(dl);
} else if (dl_argv_match(dl, "health")) {
dl_arg_inc(dl);
return cmd_health(dl);
} else if (dl_argv_match(dl, "trap")) {
dl_arg_inc(dl);
return cmd_trap(dl);
}
pr_err("Object \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static int dl_init(struct dl *dl)
{
int err;
dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
if (!dl->nlg) {
pr_err("Failed to connect to devlink Netlink\n");
return -errno;
}
err = ifname_map_init(dl);
if (err) {
pr_err("Failed to create index map\n");
goto err_ifname_map_create;
}
new_json_obj_plain(dl->json_output);
return 0;
err_ifname_map_create:
mnlg_socket_close(dl->nlg);
return err;
}
static void dl_fini(struct dl *dl)
{
delete_json_obj_plain();
ifname_map_fini(dl);
mnlg_socket_close(dl->nlg);
}
static struct dl *dl_alloc(void)
{
struct dl *dl;
dl = calloc(1, sizeof(*dl));
if (!dl)
return NULL;
return dl;
}
static void dl_free(struct dl *dl)
{
free(dl);
}
static int dl_batch(struct dl *dl, const char *name, bool force)
{
char *line = NULL;
size_t len = 0;
int ret = EXIT_SUCCESS;
if (name && strcmp(name, "-") != 0) {
if (freopen(name, "r", stdin) == NULL) {
fprintf(stderr,
"Cannot open file \"%s\" for reading: %s\n",
name, strerror(errno));
return EXIT_FAILURE;
}
}
cmdlineno = 0;
while (getcmdline(&line, &len, stdin) != -1) {
char *largv[100];
int largc;
largc = makeargs(line, largv, 100);
if (!largc)
continue; /* blank line */
if (dl_cmd(dl, largc, largv)) {
fprintf(stderr, "Command failed %s:%d\n",
name, cmdlineno);
ret = EXIT_FAILURE;
if (!force)
break;
}
}
if (line)
free(line);
return ret;
}
int main(int argc, char **argv)
{
static const struct option long_options[] = {
{ "Version", no_argument, NULL, 'V' },
{ "force", no_argument, NULL, 'f' },
{ "batch", required_argument, NULL, 'b' },
{ "no-nice-names", no_argument, NULL, 'n' },
{ "json", no_argument, NULL, 'j' },
{ "pretty", no_argument, NULL, 'p' },
{ "verbose", no_argument, NULL, 'v' },
{ "statistics", no_argument, NULL, 's' },
{ "Netns", required_argument, NULL, 'N' },
{ NULL, 0, NULL, 0 }
};
const char *batch_file = NULL;
bool force = false;
struct dl *dl;
int opt;
int err;
int ret;
dl = dl_alloc();
if (!dl) {
pr_err("Failed to allocate memory for devlink\n");
return EXIT_FAILURE;
}
while ((opt = getopt_long(argc, argv, "Vfb:njpvsN:",
long_options, NULL)) >= 0) {
switch (opt) {
case 'V':
printf("devlink utility, iproute2-%s\n", version);
ret = EXIT_SUCCESS;
goto dl_free;
case 'f':
force = true;
break;
case 'b':
batch_file = optarg;
break;
case 'n':
dl->no_nice_names = true;
break;
case 'j':
dl->json_output = true;
break;
case 'p':
pretty = true;
break;
case 'v':
dl->verbose = true;
break;
case 's':
dl->stats = true;
break;
case 'N':
if (netns_switch(optarg)) {
ret = EXIT_FAILURE;
goto dl_free;
}
break;
default:
pr_err("Unknown option.\n");
help();
ret = EXIT_FAILURE;
goto dl_free;
}
}
argc -= optind;
argv += optind;
err = dl_init(dl);
if (err) {
ret = EXIT_FAILURE;
goto dl_free;
}
if (batch_file)
err = dl_batch(dl, batch_file, force);
else
err = dl_cmd(dl, argc, argv);
if (err) {
ret = EXIT_FAILURE;
goto dl_fini;
}
ret = EXIT_SUCCESS;
dl_fini:
dl_fini(dl);
dl_free:
dl_free(dl);
return ret;
}