7  * @ingroup link
9  * ipgre link module
12  * \b Link Type Name: "ipgre"
28 #include <netlink/route/link/ipgre.h>
31 #include "link-api.h"
54 	uint32_t   link;  member
75 static int ipgre_alloc(struct rtnl_link *link)  in ipgre_alloc()  argument
79 	if (link->l_info)  in ipgre_alloc()
80 		memset(link->l_info, 0, sizeof(*ipgre));  in ipgre_alloc()
86 		link->l_info = ipgre;  in ipgre_alloc()
92 static int ipgre_parse(struct rtnl_link *link, struct nlattr *data,  in ipgre_parse()  argument
99 	NL_DBG(3, "Parsing IPGRE link info\n");  in ipgre_parse()
105 	err = ipgre_alloc(link);  in ipgre_parse()
109 	ipgre = link->l_info;  in ipgre_parse()
112 		ipgre->link = nla_get_u32(tb[IFLA_GRE_LINK]);  in ipgre_parse()
172 static int ipgre_put_attrs(struct nl_msg *msg, struct rtnl_link *link)  in ipgre_put_attrs()  argument
174 	struct ipgre_info *ipgre = link->l_info;  in ipgre_put_attrs()
182 		NLA_PUT_U32(msg, IFLA_GRE_LINK, ipgre->link);  in ipgre_put_attrs()
221 static void ipgre_free(struct rtnl_link *link)  in ipgre_free()  argument
223 	struct ipgre_info *ipgre = link->l_info;  in ipgre_free()
226 	link->l_info = NULL;  in ipgre_free()
229 static void ipgre_dump_line(struct rtnl_link *link, struct nl_dump_params *p)  in ipgre_dump_line()  argument
231 	nl_dump(p, "ipgre : %s", link->l_name);  in ipgre_dump_line()
234 static void ipgre_dump_details(struct rtnl_link *link, struct nl_dump_params *p)  in ipgre_dump_details()  argument
236 	struct ipgre_info *ipgre = link->l_info;  in ipgre_dump_details()
241 		nl_dump(p, "      link ");  in ipgre_dump_details()
244 		parent = link_lookup(link->ce_cache, ipgre->link);  in ipgre_dump_details()
251 			nl_dump_line(p, "%u\n", ipgre->link);  in ipgre_dump_details()
379 #define IS_IPGRE_LINK_ASSERT(link)                                                 \  argument
380         if ((link)->l_info_ops != &ipgre_info_ops &&                               \
381             (link)->l_info_ops != &ipgretap_info_ops) {                            \
382                 APPBUG("Link is not a ipgre link. set type \"gre/gretap\" first.");\
388 	struct rtnl_link *link;  in rtnl_link_ipgre_alloc()  local
391 	link = rtnl_link_alloc();  in rtnl_link_ipgre_alloc()
392 	if (!link)  in rtnl_link_ipgre_alloc()
395 	err = rtnl_link_set_type(link, "gre");  in rtnl_link_ipgre_alloc()
397 		rtnl_link_put(link);  in rtnl_link_ipgre_alloc()
401 	return link;  in rtnl_link_ipgre_alloc()
405  * Check if link is a IPGRE link
406  * @arg link            Link object
408  * @return True if link is a IPGRE link, otherwise 0 is returned.
410 int rtnl_link_is_ipgre(struct rtnl_link *link)  in rtnl_link_is_ipgre()  argument
412 	return link->l_info_ops && !strcmp(link->l_info_ops->io_name, "gre");  in rtnl_link_is_ipgre()
425 	struct rtnl_link *link;  in rtnl_link_ipgre_add()  local
428 	link = rtnl_link_ipgre_alloc();  in rtnl_link_ipgre_add()
429 	if (!link)  in rtnl_link_ipgre_add()
433 		rtnl_link_set_name(link, name);  in rtnl_link_ipgre_add()
435 	err = rtnl_link_add(sk, link, NLM_F_CREATE);  in rtnl_link_ipgre_add()
436 	rtnl_link_put(link);  in rtnl_link_ipgre_add()
443 	struct rtnl_link *link;  in rtnl_link_ipgretap_alloc()  local
446 	link = rtnl_link_alloc();  in rtnl_link_ipgretap_alloc()
447 	if (!link)  in rtnl_link_ipgretap_alloc()
450 	err = rtnl_link_set_type(link, "gretap");  in rtnl_link_ipgretap_alloc()
452 		rtnl_link_put(link);  in rtnl_link_ipgretap_alloc()
456 	return link;  in rtnl_link_ipgretap_alloc()
460  * Check if link is a IPGRETAP link
461  * @arg link            Link object
463  * @return True if link is a IPGRETAP link, otherwise 0 is returned.
465 int rtnl_link_is_ipgretap(struct rtnl_link *link)  in rtnl_link_is_ipgretap()  argument
467 	return link->l_info_ops && !strcmp(link->l_info_ops->io_name, "gretap");  in rtnl_link_is_ipgretap()
479 	struct rtnl_link *link;  in rtnl_link_ipgretap_add()  local
482 	link = rtnl_link_ipgretap_alloc();  in rtnl_link_ipgretap_add()
483 	if (!link)  in rtnl_link_ipgretap_add()
487 		rtnl_link_set_name(link, name);  in rtnl_link_ipgretap_add()
489 	err = rtnl_link_add(sk, link, NLM_F_CREATE);  in rtnl_link_ipgretap_add()
490 	rtnl_link_put(link);  in rtnl_link_ipgretap_add()
497  * @arg link            Link object
502 int rtnl_link_ipgre_set_link(struct rtnl_link *link,  uint32_t index)  in rtnl_link_ipgre_set_link()  argument
504 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_link()
506 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_link()
508 	ipgre->link = index;  in rtnl_link_ipgre_set_link()
516  * @arg link            Link object
520 uint32_t rtnl_link_ipgre_get_link(struct rtnl_link *link)  in rtnl_link_ipgre_get_link()  argument
522 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_link()
524 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_link()
526 	return ipgre->link;  in rtnl_link_ipgre_get_link()
531  * @arg link            Link object
536 int rtnl_link_ipgre_set_iflags(struct rtnl_link *link, uint16_t iflags)  in rtnl_link_ipgre_set_iflags()  argument
538 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_iflags()
540 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_iflags()
550  * @arg link            Link object
554 uint16_t rtnl_link_ipgre_get_iflags(struct rtnl_link *link)  in rtnl_link_ipgre_get_iflags()  argument
556 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_iflags()
558 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_iflags()
565  * @arg link            Link object
570 int rtnl_link_ipgre_set_oflags(struct rtnl_link *link, uint16_t oflags)  in rtnl_link_ipgre_set_oflags()  argument
572 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_oflags()
574 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_oflags()
584  * @arg link            Link object
588 uint16_t rtnl_link_ipgre_get_oflags(struct rtnl_link *link)  in rtnl_link_ipgre_get_oflags()  argument
590 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_oflags()
592 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_oflags()
599  * @arg link            Link object
604 int rtnl_link_ipgre_set_ikey(struct rtnl_link *link, uint32_t ikey)  in rtnl_link_ipgre_set_ikey()  argument
606 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_ikey()
608 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_ikey()
618  * @arg link            Link object
622 uint32_t rtnl_link_ipgre_get_ikey(struct rtnl_link *link)  in rtnl_link_ipgre_get_ikey()  argument
624 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_ikey()
626 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_ikey()
633  * @arg link            Link object
638 int rtnl_link_ipgre_set_okey(struct rtnl_link *link, uint32_t okey)  in rtnl_link_ipgre_set_okey()  argument
640 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_okey()
642 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_okey()
652  * @arg link            Link object
656 uint32_t rtnl_link_ipgre_get_okey(struct rtnl_link *link)  in rtnl_link_ipgre_get_okey()  argument
658 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_okey()
660 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_okey()
667  * @arg link            Link object
672 int rtnl_link_ipgre_set_local(struct rtnl_link *link, uint32_t addr)  in rtnl_link_ipgre_set_local()  argument
674 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_local()
676 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_local()
686  * @arg link            Link object
690 uint32_t rtnl_link_ipgre_get_local(struct rtnl_link *link)  in rtnl_link_ipgre_get_local()  argument
692 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_local()
694 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_local()
701  * @arg link            Link object
706 int rtnl_link_ipgre_set_remote(struct rtnl_link *link, uint32_t remote)  in rtnl_link_ipgre_set_remote()  argument
708 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_remote()
710 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_remote()
720  * @arg link            Link object
724 uint32_t rtnl_link_ipgre_get_remote(struct rtnl_link *link)  in rtnl_link_ipgre_get_remote()  argument
726 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_remote()
728 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_remote()
735  * @arg link            Link object
740 int rtnl_link_ipgre_set_ttl(struct rtnl_link *link, uint8_t ttl)  in rtnl_link_ipgre_set_ttl()  argument
742 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_ttl()
744 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_ttl()
754  * @arg link            Link object
758 uint8_t rtnl_link_ipgre_get_ttl(struct rtnl_link *link)  in rtnl_link_ipgre_get_ttl()  argument
760 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_ttl()
762 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_ttl()
769  * @arg link            Link object
774 int rtnl_link_ipgre_set_tos(struct rtnl_link *link, uint8_t tos)  in rtnl_link_ipgre_set_tos()  argument
776 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_tos()
778 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_tos()
788  * @arg link            Link object
792 uint8_t rtnl_link_ipgre_get_tos(struct rtnl_link *link)  in rtnl_link_ipgre_get_tos()  argument
794 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_tos()
796 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_tos()
803  * @arg link            Link object
808 int rtnl_link_ipgre_set_pmtudisc(struct rtnl_link *link, uint8_t pmtudisc)  in rtnl_link_ipgre_set_pmtudisc()  argument
810 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_pmtudisc()
812 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_pmtudisc()
822  * @arg link            Link object
826 uint8_t rtnl_link_ipgre_get_pmtudisc(struct rtnl_link *link)  in rtnl_link_ipgre_get_pmtudisc()  argument
828 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_pmtudisc()
830 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_pmtudisc()
837 uint8_t rtnl_link_get_pmtudisc(struct rtnl_link *link);
839 uint8_t rtnl_link_get_pmtudisc(struct rtnl_link *link)  in rtnl_link_get_pmtudisc()  argument
843 	return rtnl_link_ipgre_get_pmtudisc (link);  in rtnl_link_get_pmtudisc()
848  * @arg link            Link object
853 int rtnl_link_ipgre_set_fwmark(struct rtnl_link *link, uint32_t fwmark)  in rtnl_link_ipgre_set_fwmark()  argument
855 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_set_fwmark()
857 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_set_fwmark()
867  * @arg link            Link object
872 int rtnl_link_ipgre_get_fwmark(struct rtnl_link *link, uint32_t *fwmark)  in rtnl_link_ipgre_get_fwmark()  argument
874 	struct ipgre_info *ipgre = link->l_info;  in rtnl_link_ipgre_get_fwmark()
876 	IS_IPGRE_LINK_ASSERT(link);  in rtnl_link_ipgre_get_fwmark()