#define ESWITCH_INLINE_MODE_NETWORK "network"
#define ESWITCH_INLINE_MODE_TRANSPORT "transport"
+#define PARAM_CMODE_RUNTIME_STR "runtime"
+#define PARAM_CMODE_DRIVERINIT_STR "driverinit"
+#define PARAM_CMODE_PERMANENT_STR "permanent"
+
static int g_new_line_count;
#define pr_err(args...) fprintf(stderr, ##args)
#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)
struct dl_opts {
uint32_t present; /* flags of present items */
uint32_t resource_size;
uint32_t resource_id;
bool resource_id_valid;
+ const char *param_name;
+ const char *param_value;
+ enum devlink_param_cmode cmode;
};
struct dl {
[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,
};
static int attr_cb(const struct nlattr *attr, void *data)
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"))
+ val = true;
+ else if (!strcmp(str, "false") || !strcmp(str, "0"))
+ 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 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 dl_argv_parse(struct dl *dl, uint32_t o_required,
uint32_t o_optional)
{
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 {
pr_err("Unknown option \"%s\"\n", dl_argv(dl));
return -EINVAL;
return -EINVAL;
}
+ if ((o_required & DL_OPT_PARAM_NAME) &&
+ !(o_found & DL_OPT_PARAM_NAME)) {
+ pr_err("Parameter name expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_PARAM_VALUE) &&
+ !(o_found & DL_OPT_PARAM_VALUE)) {
+ pr_err("Value to set expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_PARAM_CMODE) &&
+ !(o_found & DL_OPT_PARAM_CMODE)) {
+ pr_err("Configuration mode expected.\n");
+ return -EINVAL;
+ }
+
return 0;
}
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);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
pr_err(" [ inline-mode { none | link | network | transport } ]\n");
pr_err(" [ encap { disable | enable } ]\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\n");
}
}
}
+static void pr_out_bool(struct dl *dl, const char *name, bool val)
+{
+ if (val)
+ pr_out_str(dl, name, "true");
+ else
+ pr_out_str(dl, name, "false");
+}
+
static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
{
if (dl->json_output) {
__pr_out_newline();
}
+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) {
return -ENOENT;
}
+static void pr_out_param_value(struct dl *dl, int nla_type, struct nlattr *nl)
+{
+ struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *val_attr;
+ 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;
+
+ pr_out_str(dl, "cmode",
+ param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
+ val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
+
+ switch (nla_type) {
+ case MNL_TYPE_U8:
+ pr_out_uint(dl, "value", mnl_attr_get_u8(val_attr));
+ break;
+ case MNL_TYPE_U16:
+ pr_out_uint(dl, "value", mnl_attr_get_u16(val_attr));
+ break;
+ case MNL_TYPE_U32:
+ pr_out_uint(dl, "value", mnl_attr_get_u32(val_attr));
+ break;
+ case MNL_TYPE_STRING:
+ pr_out_str(dl, "value", mnl_attr_get_str(val_attr));
+ break;
+ case MNL_TYPE_FLAG:
+ pr_out_bool(dl, "value", val_attr ? true : false);
+ 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;
+ 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]);
+
+ pr_out_str(dl, "name",
+ mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]));
+
+ if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
+ pr_out_str(dl, "type", "driver-specific");
+ else
+ pr_out_str(dl, "type", "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_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;
+ 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);
+
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
+ switch (ctx.nla_type) {
+ case MNL_TYPE_U8:
+ 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:
+ 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:
+ 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;
} 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);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
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";
default: return "<unknown cmd>";
}
}
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";
default: return "<unknown obj>";
}
}
pr_out_mon_header(genl->cmd);
pr_out_port(dl, tb);
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);
+ break;
}
return MNL_CB_OK;
}
projects / thirdparty / iproute2.git / commitdiff
