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isisd: Add SRv6 End.X SID to IS ext reach Sub-TLVs

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Add SRv6 End.X SID Sub-TLV and SRv6 LAN End.X SID Sub-TLV to the
Extended IS Reachability Sub-TLVs data structure and perform proper
initialization/free when the Sub-TLVs data structure is
allocated/destroyed.

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
This commit is contained in:
Carmine Scarpitta 2023-05-25 12:13:33 +02:00
parent f912df37de
commit 3740efacfb
2 changed files with 21 additions and 0 deletions
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15
isisd/isis_tlvs.c
View File

@ -135,6 +135,9 @@ struct isis_ext_subtlvs *isis_alloc_ext_subtlvs(void)
init_item_list(&ext->lan_sid);
ext->aslas = list_new();
init_item_list(&ext->srv6_endx_sid);
init_item_list(&ext->srv6_lan_endx_sid);
admin_group_init(&ext->ext_admin_group);
return ext;
@ -166,6 +169,18 @@ void isis_del_ext_subtlvs(struct isis_ext_subtlvs *ext)
admin_group_term(&ext->ext_admin_group);
/* First, free SRv6 End.X SID and SRv6 LAN End.X SID list if needed */
for (item = ext->srv6_endx_sid.head; item; item = next_item) {
next_item = item->next;
isis_free_subsubtlvs(((struct isis_srv6_endx_sid_subtlv *)item)->subsubtlvs);
XFREE(MTYPE_ISIS_SUBTLV, item);
}
for (item = ext->srv6_lan_endx_sid.head; item; item = next_item) {
next_item = item->next;
isis_free_subsubtlvs(((struct isis_srv6_lan_endx_sid_subtlv *)item)->subsubtlvs);
XFREE(MTYPE_ISIS_SUBTLV, item);
}
XFREE(MTYPE_ISIS_SUBTLV, ext);
}

6
isisd/isis_tlvs.h
View File

@ -639,6 +639,8 @@ enum ext_subsubtlv_types {
#define EXT_AVA_BW 0x080000
#define EXT_USE_BW 0x100000
#define EXT_EXTEND_ADM_GRP 0x200000
#define EXT_SRV6_ENDX_SID 0x400000
#define EXT_SRV6_LAN_ENDX_SID 0x800000
/*
* This structure groups all Extended IS Reachability subTLVs.
@ -688,6 +690,10 @@ struct isis_ext_subtlvs {
struct isis_item_list lan_sid;
struct list *aslas;
/* SRv6 End.X & LAN End.X SID */
struct isis_item_list srv6_endx_sid;
struct isis_item_list srv6_lan_endx_sid;
};
/* RFC 8919 */