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295 /*
296  * An IP or a Net number is composed of 1 or more of these descriptor
297  * structures.
298  */
299 struct lnet_range_expr {
	300 »·······__u32 re_lo;
	301 »·······__u32 re_hi;
	302 »·······__u32 re_stride;
303 };

struct lnet_ioctl_udsp_descr_hdr {
	304 
305 /*
	306  * The literals SRC, DST and RTE are encoded
	 * here.
	 */
	 A net descriptor has the net type, IE: O2IBLND, SOCKLND, etc and an
307  * expression describing a net number range.
308  */
309 struct lnet_ioctl_udsp_net_descr {
310 »·······__u32 ud_descrnet_type;
	311 »·······struct lnet_range_u32expr ud_net_descrnum_countexpr;
312 };
313 
314 /*
315  * The UDSP descriptor header contains the type of matching criteria, SRC,
316  * DST, RTE, etc and how many expressions. For example an IP can be
317  * composed of 4 lnet_range_expr, a gni can be composed of 1
318  */
319 struct lnet_ioctl_udsp_descr_hdr {
320 »·······/*
321 »······· * The literals SRC, DST and RTE are encoded
322 »······· * here.
323 »······· */
324 »·······__u32 ud_descr_type;
325 »·······__u32 ud_descr_count;
326 };
327 
328 /*
329  * each matching expression in the UDSP is described with this */
 matching expression in the UDSP is described with this.
330  * The bulk format is as follows:
331  *»·····1. 1x struct lnet_ioctl_udsp_net_descr
332  *»·····»·······-> the net part of the NID
333  *»·····2. >=1 struct lnet_range_expr
334  *»·····»·······-> the address part of the NID
335  */
336 struct lnet_ioctl_udsp_descr {
337 »·······struct lnet_ioctl_udsp_descr_hdr iud_src_hdr;
338 »·······union action iou_action {
339 »·······»·······__u32 priority;
340 »·······};
341 »·······struct lnet_ioctl_udsp_net_descr iud_net;
342 »·······char iud_bulk[0];
343 };
344 
345 /*
346  * The cumulative UDSP descriptor
347  * The bulk format is as follows:
348  *»·····1. >=1 struct lnet_ioctl_udsp_descr
349  {
	struct lnet_ioctl_udsp_descr_hdr iud_src_hdr;
	union action iou_action {
		__u32 priority;
	}
	char iud_bulk[0];
};
*
350  * The size indicated in iou_hdr is the total size of the UDSP.
351  *
352  */
353 struct lnet_ioctl_udsp {
	struct354 »·······struct libcfs_ioctl_hdr iou_hdr;
	355 »·······__u32 iou_idx;
	356 »·······__u32 iou_action_type
	char357 »·······char iou_bulk[0];
358 };