net/openvswitch/meter.c

232 static int ovs_meter_cmd_reply_stats(struct sk_buff *reply, u32 meter_id,
239 	if (nla_put_u32(reply, OVS_METER_ATTR_ID, meter_id))
242 	if (nla_put(reply, OVS_METER_ATTR_STATS,
246 	if (nla_put_u64_64bit(reply, OVS_METER_ATTR_USED, meter->used,
250 	nla = nla_nest_start_noflag(reply, OVS_METER_ATTR_BANDS);
259 		band_nla = nla_nest_start_noflag(reply, OVS_BAND_ATTR_UNSPEC);
260 		if (!band_nla || nla_put(reply, OVS_BAND_ATTR_STATS,
264 		nla_nest_end(reply, band_nla);
266 	nla_nest_end(reply, nla);
278 	struct sk_buff *reply;
282 	reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_FEATURES,
284 	if (IS_ERR(reply))
285 		return PTR_ERR(reply);
294 	if (nla_put_u32(reply, OVS_METER_ATTR_MAX_METERS,
300 	if (nla_put_u32(reply, OVS_METER_ATTR_MAX_BANDS, DP_MAX_BANDS))
303 	nla = nla_nest_start_noflag(reply, OVS_METER_ATTR_BANDS);
307 	band_nla = nla_nest_start_noflag(reply, OVS_BAND_ATTR_UNSPEC);
311 	if (nla_put_u32(reply, OVS_BAND_ATTR_TYPE, OVS_METER_BAND_TYPE_DROP))
313 	nla_nest_end(reply, band_nla);
314 	nla_nest_end(reply, nla);
316 	genlmsg_end(reply, ovs_reply_header);
317 	return genlmsg_reply(reply, info);
322 	nlmsg_free(reply);
410 	struct sk_buff *reply;
426 	reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_SET,
428 	if (IS_ERR(reply)) {
429 		err = PTR_ERR(reply);
457 	failed = nla_put_u32(reply, OVS_METER_ATTR_ID, meter_id);
462 			err = ovs_meter_cmd_reply_stats(reply, meter_id,
470 	genlmsg_end(reply, ovs_reply_header);
471 	return genlmsg_reply(reply, info);
477 	nlmsg_free(reply);
489 	struct sk_buff *reply;
499 	reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_GET,
501 	if (IS_ERR(reply))
502 		return PTR_ERR(reply);
520 	err = ovs_meter_cmd_reply_stats(reply, meter_id, meter);
527 	genlmsg_end(reply, ovs_reply_header);
528 	return genlmsg_reply(reply, info);
532 	nlmsg_free(reply);
542 	struct sk_buff *reply;
550 	reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_DEL,
552 	if (IS_ERR(reply))
553 		return PTR_ERR(reply);
567 		err = ovs_meter_cmd_reply_stats(reply, meter_id, old_meter);
578 	genlmsg_end(reply, ovs_reply_header);
579 	return genlmsg_reply(reply, info);
583 	nlmsg_free(reply);