Exemplo n.º 1
0
uchar_t
fnvlist_lookup_byte(nvlist_t *nvl, const char *name)
{
	uchar_t rv;
	VERIFY0(nvlist_lookup_byte(nvl, name, &rv));
	return (rv);
}
Exemplo n.º 2
0
static int
ippctl_extract_op(
	nvlist_t	*nvlp,
	uint8_t		*valp)
{
	int		rc;

	/*
	 * Look-up and remove the opcode passed from libipp from the
	 * nvlist.
	 */

	if ((rc = nvlist_lookup_byte(nvlp, IPPCTL_OP, valp)) != 0)
		return (rc);

	(void) nvlist_remove_all(nvlp, IPPCTL_OP);
	return (0);
}
Exemplo n.º 3
0
static int
dlcosmk_modify_action(ipp_action_id_t aid, nvlist_t **nvlpp, ipp_flags_t flags)
{
	nvlist_t *nvlp;
	int err = 0;
	uint32_t band, dlpri;
	uint8_t config_type;
	uint8_t cos;
	char *next_action_name;
	ipp_action_id_t next_action;
	dlcosmk_data_t *dlcosmk_data;
	uint32_t bstats;

	ASSERT((nvlpp != NULL) && (*nvlpp != NULL));

	nvlp = *nvlpp;
	*nvlpp = NULL;		/* nvlist should be NULL when this returns */

	if ((err = nvlist_lookup_byte(nvlp, IPP_CONFIG_TYPE, &config_type))
	    != 0) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_modify_action: invalid configuration "\
		    "type\n"));
		return (err);
	}

	if (config_type != IPP_SET) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_modify_action: invalid configuration "\
		    "type %d\n", config_type));
		return (EINVAL);
	}

	dlcosmk_data = (dlcosmk_data_t *)ipp_action_get_ptr(aid);
	ASSERT(dlcosmk_data != NULL);

	/* parse next action name, if present */
	if ((err = nvlist_lookup_string(nvlp, DLCOSMK_NEXT_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* lookup action name to get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			dlcosmk0dbg(("dlcosmk_modify_action: next_action "\
			    "invalid\n"));
			return (EINVAL);
		}
		/* reference new action */
		if ((err = ipp_action_ref(aid, next_action, flags)) != 0) {
			nvlist_free(nvlp);
			dlcosmk0dbg(("dlcosmk_modify_action: ipp_action_ref "\
			    "returned with error %d\n", err));
			return (err);
		}
		/* unref old action */
		err = ipp_action_unref(aid, dlcosmk_data->next_action, flags);
		ASSERT(err == 0);
		dlcosmk_data->next_action = next_action;
	}

	/* parse cos, if present */
	if ((err = nvlist_lookup_byte(nvlp, DLCOSMK_COS, &cos)) == 0) {

		/* parse b_band, mapped from cos */
		if ((err = nvlist_lookup_uint32(nvlp, DLCOSMK_BAND,
		    &band)) != 0) {
			nvlist_free(nvlp);
			dlcosmk0dbg(("dlcosmk_modify_action: b_band not "\
			    "provided\n"));
			return (err);
		}

		/* parse dl_priority, mapped from cos */
		if ((err = nvlist_lookup_uint32(nvlp, DLCOSMK_PRI,
		    &dlpri)) != 0) {
			nvlist_free(nvlp);
			dlcosmk0dbg(("dlcosmk_modify_action: dl_priority not "\
			    "provided\n"));
			return (err);
		}

		/* Have all the three values, change them */
		dlcosmk_data->usr_pri = cos;
		dlcosmk_data->b_band = band;
		dlcosmk_data->dl_max = dlpri;
	}


	/* parse gather_stats boolean, if present */
	if ((err = nvlist_lookup_uint32(nvlp, IPP_ACTION_STATS_ENABLE, &bstats))
	    == 0) {
		boolean_t val = (bstats != 0) ? B_TRUE : B_FALSE;
		/* Turning on stats */
		if (!dlcosmk_data->gather_stats && val) {
			if ((err = dlcosmk_statinit(aid, dlcosmk_data)) != 0) {
				nvlist_free(nvlp);
				return (err);
			}
		/* Turning off stats */
		} else if (!val && dlcosmk_data->gather_stats) {
			ipp_stat_destroy(dlcosmk_data->stats);

		}
		dlcosmk_data->gather_stats = val;
	}

	/* Free thenvlist */
	nvlist_free(nvlp);
	return (0);
}
Exemplo n.º 4
0
static int
dlcosmk_create_action(ipp_action_id_t aid, nvlist_t **nvlpp,
    ipp_flags_t flags)
{
	nvlist_t *nvlp;
	dlcosmk_data_t *dlcosmk_data;
	char *next_action;
	int err;
	uint32_t bstats, param;

	ASSERT((nvlpp != NULL) && (*nvlpp != NULL));

	nvlp = *nvlpp;
	*nvlpp = NULL;		/* nvlist should be NULL on return */

	if ((dlcosmk_data = kmem_zalloc(DLCOSMK_DATA_SZ, KM_NOSLEEP)) == NULL) {
		nvlist_free(nvlp);
		return (ENOMEM);
	}

	/* parse next action name */
	if ((err = nvlist_lookup_string(nvlp, DLCOSMK_NEXT_ACTION_NAME,
	    &next_action)) != 0) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_create_action: invalid config, "\
		    "next_action name missing\n"));
		kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
		return (err);
	}
	if ((dlcosmk_data->next_action =
	    ipp_action_lookup(next_action)) == IPP_ACTION_INVAL) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_create_action: next_action invalid\n"));
		kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
		return (EINVAL);
	}

	/* parse cos - from the config file */
	if ((err = nvlist_lookup_byte(nvlp, DLCOSMK_COS,
	    &dlcosmk_data->usr_pri)) != 0) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_create_action: invalid config, "\
		    "cos missing\n"));
		kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
		return (err);
	}

	/* parse b_band - mapped from cos */
	if ((err = nvlist_lookup_uint32(nvlp, DLCOSMK_BAND, &param)) != 0) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_create_action: invalid config, "\
		    "b_band missing\n"));
		kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
		return (err);
	}
	dlcosmk_data->b_band = param;

	/* parse dl_priority.dl_max  - mapped from cos */
	if ((err = nvlist_lookup_uint32(nvlp, DLCOSMK_PRI, &param)) != 0) {
		nvlist_free(nvlp);
		dlcosmk0dbg(("dlcosmk_create_action: invalid config, "\
		    "dl_priority missing\n"));
		kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
		return (err);
	}
	dlcosmk_data->dl_max = param;

	/* parse gather_stats boolean */
	if ((err = nvlist_lookup_uint32(nvlp, IPP_ACTION_STATS_ENABLE, &bstats))
	    != 0) {
		dlcosmk_data->gather_stats = B_FALSE;
	} else {
		/* If stats is needed, initialize the stats structure */
		dlcosmk_data->gather_stats = (bstats != 0) ? B_TRUE : B_FALSE;
		if (dlcosmk_data->gather_stats) {
			if ((err = dlcosmk_statinit(aid, dlcosmk_data)) != 0) {
				nvlist_free(nvlp);
				kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
				return (err);
			}
		}
	}

	/* Free the nvlist */
	nvlist_free(nvlp);

	/* set action chain reference */
	if ((err = ipp_action_ref(aid, dlcosmk_data->next_action,
	    flags)) != 0) {
		dlcosmk0dbg(("dlcosmk_create_action: ipp_action_ref " \
		    "returned with error %d\n", err));
		ipp_stat_destroy(dlcosmk_data->stats);
		kmem_free(dlcosmk_data, DLCOSMK_DATA_SZ);
		return (err);
	}

	ipp_action_set_ptr(aid, (void *)dlcosmk_data);
	return (0);
}
Exemplo n.º 5
0
static int
tswtcl_modify_action(ipp_action_id_t aid, nvlist_t **nvlpp, ipp_flags_t flags)
{

	nvlist_t *nvlp;
	int err = 0, err2;
	uint8_t config_type;
	char *next_action_name;
	ipp_action_id_t next_action;
	uint32_t rate;
	tswtcl_cfg_t *cfg_parms, *old_cfg;
	tswtcl_data_t *tswtcl_data;
	uint32_t bstats;

	nvlp = *nvlpp;
	*nvlpp = NULL;		/* nvlist should be NULL when this returns */

	if ((err = nvlist_lookup_byte(nvlp, IPP_CONFIG_TYPE, &config_type))
	    != 0) {
		nvlist_free(nvlp);
		tswtcl0dbg(("tswtcl_modify_action:invalid configuration type"));
		return (err);
	}

	if (config_type != IPP_SET) {
		nvlist_free(nvlp);
		tswtcl0dbg(("tswtcl_modify_action:invalid configuration type " \
		    "%d", config_type));
		return (EINVAL);
	}

	tswtcl_data = (tswtcl_data_t *)ipp_action_get_ptr(aid);
	old_cfg = tswtcl_data->cfg_parms;

	cfg_parms = kmem_alloc(TSWTCL_CFG_SZ, KM_NOSLEEP);
	if (cfg_parms == NULL) {
		nvlist_free(nvlp);
		tswtcl0dbg(("tswtcl_modify_action:mem. allocation failure\n"));
		return (ENOMEM);
	}

	/* Just copy all and change as needed */
	bcopy(old_cfg, cfg_parms, TSWTCL_CFG_SZ);

	/* parse red action name, if present */
	if ((err = nvlist_lookup_string(nvlp, TSWTCL_RED_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* Get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			tswtcl0dbg(("tswtcl_modify_action: red next_action"\
			    " invalid\n"));
			kmem_free(cfg_parms, TSWTCL_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->red_action = next_action;
	}

	/* parse yellow action name, if present */
	if ((err = nvlist_lookup_string(nvlp, TSWTCL_YELLOW_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* Get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			tswtcl0dbg(("tswtcl_modify_action: yellow next_action"\
			    "  invalid\n"));
			kmem_free(cfg_parms, TSWTCL_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->yellow_action = next_action;
	}

	/* parse green action name, if present */
	if ((err = nvlist_lookup_string(nvlp, TSWTCL_GREEN_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* Get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			tswtcl0dbg(("tswtcl_modify_action: green next_action"\
			    " invalid\n"));
			kmem_free(cfg_parms, TSWTCL_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->green_action = next_action;
	}

	/* parse committed rate, if present */
	if ((err = nvlist_lookup_uint32(nvlp, TSWTCL_COMMITTED_RATE, &rate))
	    == 0) {
		cfg_parms->committed_rate = rate;
	}

	/* parse peak rate, if present */
	if ((err = nvlist_lookup_uint32(nvlp, TSWTCL_PEAK_RATE, &rate))
	    == 0) {
		cfg_parms->peak_rate = rate;
	}

	if (cfg_parms->peak_rate < cfg_parms->committed_rate) {
		nvlist_free(nvlp);
		tswtcl0dbg(("tswtcl_create_action: invalid config, "\
		    " peak rate < committed rate\n"));
		kmem_free(cfg_parms, TSWTCL_CFG_SZ);
		return (EINVAL);
	}

	/* parse window - in msec */
	if ((err = nvlist_lookup_uint32(nvlp, TSWTCL_WINDOW,
	    &cfg_parms->window)) != 0) {
		cfg_parms->nsecwindow = (uint64_t)cfg_parms->window *
		    METER_MSEC_TO_NSEC;
	}

	/* parse stats, if present */
	if (nvlist_lookup_uint32(nvlp, IPP_ACTION_STATS_ENABLE, &bstats) == 0) {
		cfg_parms->stats = (boolean_t)bstats;
		if (cfg_parms->stats && !old_cfg->stats) {
			if ((err = tswtcl_statinit(aid, tswtcl_data)) != 0) {
				nvlist_free(nvlp);
				kmem_free(cfg_parms, TSWTCL_CFG_SZ);
				return (err);
			}
		} else if (!cfg_parms->stats && old_cfg->stats) {
			ipp_stat_destroy(tswtcl_data->stats);
		}
	}

	/* Can we ref all the new actions? */
	if ((err = ipp_action_ref(aid, cfg_parms->red_action, flags)) != 0) {
		tswtcl0dbg(("tswtcl_modify_data: can't ref. red action\n"));
		nvlist_free(nvlp);
		kmem_free(cfg_parms, TSWTCL_CFG_SZ);
		return (err);
	}

	if ((err = ipp_action_ref(aid, cfg_parms->yellow_action, flags)) != 0) {
		tswtcl0dbg(("tswtcl_modify_data:can't ref. yellow action\n"));
		nvlist_free(nvlp);
		err2 = ipp_action_unref(aid, cfg_parms->red_action, flags);
		ASSERT(err2 == 0);
		kmem_free(cfg_parms, TSWTCL_CFG_SZ);
		return (err);
	}

	if ((err = ipp_action_ref(aid, cfg_parms->green_action, flags)) != 0) {
		tswtcl0dbg(("tswtcl_modify_data:can't ref. green action\n"));
		nvlist_free(nvlp);
		err2 = ipp_action_unref(aid, cfg_parms->red_action, flags);
		ASSERT(err2 == 0);
		err2 = ipp_action_unref(aid, cfg_parms->yellow_action, flags);
		ASSERT(err2 == 0);
		kmem_free(cfg_parms, TSWTCL_CFG_SZ);
		return (err);
	}

	/* Re-compute pminusc */
	cfg_parms->pminusc = cfg_parms->peak_rate - cfg_parms->committed_rate;

	/* Actually modify the configuration */
	mutex_enter(&tswtcl_data->tswtcl_lock);
	tswtcl_data->cfg_parms = cfg_parms;
	mutex_exit(&tswtcl_data->tswtcl_lock);

	/* Un-ref the old actions */
	err = ipp_action_unref(aid, old_cfg->red_action, flags);
	ASSERT(err == 0);
	err = ipp_action_unref(aid, old_cfg->yellow_action, flags);
	ASSERT(err == 0);
	err = ipp_action_unref(aid, old_cfg->green_action, flags);
	ASSERT(err == 0);

	/* Free the old configuration */
	kmem_free(old_cfg, TSWTCL_CFG_SZ);

	nvlist_free(nvlp);

	return (0);
}
Exemplo n.º 6
0
static int
tokenmt_modify_action(ipp_action_id_t aid, nvlist_t **nvlpp, ipp_flags_t flags)
{
	nvlist_t *nvlp;
	int err = 0, err2;
	uint8_t config_type;
	char *next_action_name;
	ipp_action_id_t next_action;
	uint32_t rate, cbs, pbs;
	tokenmt_cfg_t *cfg_parms, *old_cfg;
	tokenmt_data_t *tokenmt_data;
	uint32_t bstats, mode;
	int32_t *colour_tbl;
	uint_t nelem = 64;

	nvlp = *nvlpp;
	*nvlpp = NULL;		/* nvlist should be NULL when this returns */

	if ((err = nvlist_lookup_byte(nvlp, IPP_CONFIG_TYPE, &config_type))
	    != 0) {
		nvlist_free(nvlp);
		tokenmt0dbg(("tokenmt_modify_action: invalid configuration "\
		    "type"));
		return (err);
	}

	if (config_type != IPP_SET) {
		nvlist_free(nvlp);
		tokenmt0dbg(("tokenmt_modify_action: invalid configuration "\
		    "type %d", config_type));
		return (EINVAL);
	}

	tokenmt_data = (tokenmt_data_t *)ipp_action_get_ptr(aid);
	old_cfg = tokenmt_data->cfg_parms;

	cfg_parms = kmem_zalloc(TOKENMT_CFG_SZ, KM_NOSLEEP);
	if (cfg_parms == NULL) {
		nvlist_free(nvlp);
		tokenmt0dbg(("tokenmt_modify_action: memory allocation "\
		    "failure\n"));
		return (ENOMEM);
	}

	/* Just copy all and change as needed */
	bcopy(old_cfg, cfg_parms, TOKENMT_CFG_SZ);

	/* parse red action name, if present */
	if ((err = nvlist_lookup_string(nvlp, TOKENMT_RED_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* Get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: next_action "\
			    "invalid"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->red_action = next_action;
	}

	/* parse yellow action name, if present */
	if ((err = nvlist_lookup_string(nvlp, TOKENMT_YELLOW_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* Get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: next_action "\
			    "invalid"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->yellow_action = next_action;
	} else {
		cfg_parms->yellow_action = TOKENMT_NO_ACTION;
	}

	/* parse green action name, if present */
	if ((err = nvlist_lookup_string(nvlp, TOKENMT_GREEN_ACTION_NAME,
	    &next_action_name)) == 0) {
		/* Get action id */
		if ((next_action = ipp_action_lookup(next_action_name))
		    == IPP_ACTION_INVAL) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: next_action "\
			    "invalid"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->green_action = next_action;
	}

	/* parse committed rate, if present */
	if ((err = nvlist_lookup_uint32(nvlp, TOKENMT_COMMITTED_RATE, &rate))
	    == 0) {
		if (rate == 0) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: invalid "\
			    "committed rate %u\n", cfg_parms->committed_rate));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->committed_rate = rate;
	}

	/* parse committed burst, if present */
	if (nvlist_lookup_uint32(nvlp, TOKENMT_COMMITTED_BURST, &cbs) == 0) {
		cfg_parms->committed_burst = cbs;
	}


	if (nvlist_lookup_uint32(nvlp, TOKENMT_PEAK_BURST, &pbs) == 0) {
		cfg_parms->peak_burst = pbs;
	} else {
		cfg_parms->peak_burst = 0;
	}

	/* If the peak rate is not specified, then it means single rate meter */
	if (nvlist_lookup_uint32(nvlp, TOKENMT_PEAK_RATE, &rate) == 0) {
		cfg_parms->peak_rate = rate;
		if ((rate == 0) || (rate < cfg_parms->committed_rate)) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: invalid "\
			    "committed rate %u\n", cfg_parms->committed_rate));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
		cfg_parms->tokenmt_type = TRTCL_TOKENMT;
	} else {
		cfg_parms->peak_rate = 0;
		cfg_parms->tokenmt_type = SRTCL_TOKENMT;
	}

	if (cfg_parms->yellow_action == TOKENMT_NO_ACTION) {
		if ((cfg_parms->peak_burst != 0) ||
		    (cfg_parms->tokenmt_type == TRTCL_TOKENMT)) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: yellow action "\
			    "missing\n"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
	} else {
		if ((cfg_parms->tokenmt_type != TRTCL_TOKENMT) &&
		    (cfg_parms->peak_burst == 0)) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: peak "\
			    "burst/rate missing\n"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
	}

	/* Validate the committed and peak burst size */
	if (cfg_parms->tokenmt_type == SRTCL_TOKENMT) {
		if ((cfg_parms->committed_burst == 0) &&
		    (cfg_parms->peak_burst == 0)) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: at least one "\
			    "burst size must be non-zero\n"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
	} else {	/* TRTCL_TOKENMT */
		if ((cfg_parms->committed_burst == 0) ||
		    (cfg_parms->peak_burst == 0)) {
			nvlist_free(nvlp);
			tokenmt0dbg(("tokenmt_modify_action: both the "\
			    "burst sizes must be non-zero\n"));
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (EINVAL);
		}
	}

	/* parse mode */
	if (nvlist_lookup_uint32(nvlp, TOKENMT_COLOUR_AWARE, &mode) == 0) {
		cfg_parms->colour_aware = (mode == 0) ? B_FALSE : B_TRUE;
	} else {
		cfg_parms->colour_aware = B_FALSE;
	}

	if (cfg_parms->colour_aware) {
		if (nvlist_lookup_int32_array(nvlp, TOKENMT_COLOUR_MAP,
		    &colour_tbl, &nelem) == 0) {
			int count;
			for (count = 0; count < 64; count++) {
				if (colour_tbl[count] == -1)
					continue;
				cfg_parms->dscp_to_colour[count] =
				    colour_tbl[count];
			}
		} else {
			bcopy(default_dscp_to_colour, cfg_parms->dscp_to_colour,
			    sizeof (default_dscp_to_colour));
		}
	}

	/* parse stats, if present */
	if (nvlist_lookup_uint32(nvlp, IPP_ACTION_STATS_ENABLE, &bstats) == 0) {
		cfg_parms->stats = (bstats == 0) ? B_FALSE : B_TRUE;
		if (cfg_parms->stats && !old_cfg->stats) {
			if ((err = tokenmt_statinit(aid, tokenmt_data)) != 0) {
				nvlist_free(nvlp);
				kmem_free(cfg_parms, TOKENMT_CFG_SZ);
				return (err);
			}
		} else if (!cfg_parms->stats && old_cfg->stats) {
			ipp_stat_destroy(tokenmt_data->stats);
		}
	}

	/* Can we ref all the new actions? */
	if ((err = ipp_action_ref(aid, cfg_parms->red_action, flags)) != 0) {
		tokenmt0dbg(("tokenmt_modify_data: can't ref. red action\n"));
		kmem_free(cfg_parms, TOKENMT_CFG_SZ);
		return (err);
	}
	if ((err = ipp_action_ref(aid, cfg_parms->green_action, flags)) != 0) {
		tokenmt0dbg(("tokenmt_modify_data:can't ref. green action\n"));
		err2 = ipp_action_unref(aid, cfg_parms->red_action, flags);
		ASSERT(err2 == 0);
		kmem_free(cfg_parms, TOKENMT_CFG_SZ);
		return (err);
	}

	if (cfg_parms->yellow_action != TOKENMT_NO_ACTION) {
		if ((err = ipp_action_ref(aid, cfg_parms->yellow_action,
		    flags)) != 0) {
			tokenmt0dbg(("tokenmt_modify_data:can't ref. yellow "\
			    "action\n"));
			err2 = ipp_action_unref(aid, cfg_parms->red_action,
			    flags);
			ASSERT(err2 == 0);
			err2 = ipp_action_unref(aid, cfg_parms->green_action,
			    flags);
			ASSERT(err2 == 0);
			kmem_free(cfg_parms, TOKENMT_CFG_SZ);
			return (err);
		}
	}


	/* Actually modify the configuration */
	mutex_enter(&tokenmt_data->tokenmt_lock);
	tokenmt_data->cfg_parms = cfg_parms;
	mutex_exit(&tokenmt_data->tokenmt_lock);

	/* Un-ref the old actions */
	err = ipp_action_unref(aid, old_cfg->red_action, flags);
	ASSERT(err == 0);
	if (old_cfg->yellow_action != TOKENMT_NO_ACTION) {
		err = ipp_action_unref(aid, old_cfg->yellow_action, flags);
		ASSERT(err == 0);
	}
	err = ipp_action_unref(aid, old_cfg->green_action, flags);
	ASSERT(err == 0);

	/* Free the old configuration */
	kmem_free(old_cfg, TOKENMT_CFG_SZ);
	return (0);
}
/* ARGSUSED */
static int
ipgpc_modify_action(ipp_action_id_t aid, nvlist_t **nvlpp, ipp_flags_t flags)
{
	nvlist_t *nvlp;
	int rc = 0;
	uint8_t config_type;
	uint32_t stat;
	char *name;
	int32_t filter_instance;
	ipgpc_filter_t *filter;
	ipgpc_class_t *aclass;

	nvlp = *nvlpp;
	*nvlpp = NULL;		/* nvlist should be NULL when this returns */

	if ((rc = nvlist_lookup_byte(nvlp, IPP_CONFIG_TYPE, &config_type))
	    != 0) {
		nvlist_free(nvlp);
		ipgpc0dbg(("ipgpc_modify_action: invalid configuration type"));
		return (EINVAL);
	}

	switch (config_type) {
	case IPP_SET:		/* set an action parameter */
		if ((rc = nvlist_lookup_uint32(nvlp, IPP_ACTION_STATS_ENABLE,
		    &stat)) != 0) {
			nvlist_free(nvlp);
			ipgpc0dbg(("ipgpc_modify_action: invalid IPP_SET " \
			    "parameter"));
			return (EINVAL);
		} else {
			ipgpc_gather_stats = (boolean_t)stat;
		}
		break;
	case CLASSIFIER_ADD_FILTER: /* add a filter */
		filter = kmem_zalloc(sizeof (ipgpc_filter_t), KM_SLEEP);
		if ((rc = ipgpc_parse_filter(filter, nvlp)) != 0) {
			ipgpc0dbg(("ipgpc_modify_action: invalid filter"));
			ipgpc_filter_destructor(filter);
			kmem_free(filter, sizeof (ipgpc_filter_t));
			break;
		}
		/* parse class name */
		if ((rc = nvlist_lookup_string(nvlp, CLASSIFIER_CLASS_NAME,
		    &name)) != 0) {
			ipgpc0dbg(("ipgpc_modify_action: class name missing"));
			ipgpc_filter_destructor(filter);
			kmem_free(filter, sizeof (ipgpc_filter_t));
			break;
		}
		rc = ipgpc_addfilter(filter, name, flags);
		if (rc != 0) {
			ipgpc_filter_destructor(filter);
		}
		kmem_free(filter, sizeof (ipgpc_filter_t));
		break;
	case CLASSIFIER_ADD_CLASS: /* add a class */
		aclass = kmem_zalloc(sizeof (ipgpc_class_t), KM_SLEEP);
		if ((rc = ipgpc_parse_class(aclass, nvlp)) != 0) {
			ipgpc0dbg(("ipgpc_modify_action: invalid class"));
			kmem_free(aclass, sizeof (ipgpc_class_t));
			break;
		}
		rc = ipgpc_addclass(aclass, flags);
		kmem_free(aclass, sizeof (ipgpc_class_t));
		break;
	case CLASSIFIER_REMOVE_FILTER: /* remove a filter */
		/* parse filter name */
		if ((rc = nvlist_lookup_string(nvlp, CLASSIFIER_FILTER_NAME,
		    &name)) != 0) {
			ipgpc0dbg(("ipgpc_modify_action: filtername missing"));
			break;
		}
		/* parse optional filter_instance */
		if (nvlist_lookup_int32(nvlp, IPGPC_FILTER_INSTANCE,
		    &filter_instance) != 0) {
			filter_instance = -1;
		}
		rc = ipgpc_removefilter(name, filter_instance, flags);
		break;
	case CLASSIFIER_REMOVE_CLASS: /* remove a class */
		/* parse class name */
		if ((rc = nvlist_lookup_string(nvlp, CLASSIFIER_CLASS_NAME,
		    &name)) != 0) {
			ipgpc0dbg(("ipgpc_modify_action: class name missing"));
			break;
		}
		rc = ipgpc_removeclass(name, flags);
		break;
	case CLASSIFIER_MODIFY_FILTER: /* modify a filter */
		rc = ipgpc_modifyfilter(&nvlp, flags);
		break;
	case CLASSIFIER_MODIFY_CLASS: /* modify a class */
		rc = ipgpc_modifyclass(&nvlp, flags);
		break;
	default:		/* invalid config type */
		nvlist_free(nvlp);
		ipgpc0dbg(("ipgpc_modify_action:invalid configuration type %u",
		    config_type));
		return (EINVAL);
	}
	nvlist_free(nvlp);	/* free the list */
	return (rc);		/* nvlist is passed back NULL */
}