diff options
Diffstat (limited to 'ospf6d/ospf6_gr.h')
| -rw-r--r-- | ospf6d/ospf6_gr.h | 53 |
1 files changed, 6 insertions, 47 deletions
diff --git a/ospf6d/ospf6_gr.h b/ospf6d/ospf6_gr.h index 84ef3aeb8a..eddd63e431 100644 --- a/ospf6d/ospf6_gr.h +++ b/ospf6d/ospf6_gr.h @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * OSPF6 Graceful Retsart helper functions. + * OSPF6 Graceful Restart helper functions. + * Ref RFC 5187 * * Copyright (C) 2021-22 Vmware, Inc. * Rajesh Kumar Girada @@ -60,58 +61,16 @@ enum ospf6_gr_helper_rejected_reason { OSPF6_HELPER_RESTARTING, }; -#ifdef roundup -#define ROUNDUP(val, gran) roundup(val, gran) -#else /* roundup */ -#define ROUNDUP(val, gran) (((val)-1 | (gran)-1) + 1) -#endif /* roundup */ -/* - * Generic TLV (type, length, value) macros - */ -struct tlv_header { - uint16_t type; /* Type of Value */ - uint16_t length; /* Length of Value portion only, in bytes */ -}; - -#define TLV_HDR_SIZE (sizeof(struct tlv_header)) - -#define TLV_BODY_SIZE(tlvh) (ROUNDUP(ntohs((tlvh)->length), sizeof(uint32_t))) - -#define TLV_SIZE(tlvh) (uint32_t)(TLV_HDR_SIZE + TLV_BODY_SIZE(tlvh)) - -#define TLV_HDR_TOP(lsah) \ - (struct tlv_header *)((char *)(lsah) + OSPF6_LSA_HEADER_SIZE) - -#define TLV_HDR_NEXT(tlvh) \ - (struct tlv_header *)((char *)(tlvh) + TLV_SIZE(tlvh)) - -/* Ref RFC5187 appendix-A */ -/* Grace period TLV */ -#define GRACE_PERIOD_TYPE 1 -#define GRACE_PERIOD_LENGTH 4 -struct grace_tlv_graceperiod { - struct tlv_header header; - uint32_t interval; -}; -#define GRACE_PERIOD_TLV_SIZE sizeof(struct grace_tlv_graceperiod) - -/* Restart reason TLV */ -#define RESTART_REASON_TYPE 2 -#define RESTART_REASON_LENGTH 1 -struct grace_tlv_restart_reason { - struct tlv_header header; - uint8_t reason; - uint8_t reserved[3]; -}; -#define GRACE_RESTART_REASON_TLV_SIZE sizeof(struct grace_tlv_restart_reason) +#define GRACE_PERIOD_TLV_SIZE sizeof(struct tlv_grace_period) +#define GRACE_RESTART_REASON_TLV_SIZE sizeof(struct tlv_grace_restart_reason) #define OSPF6_GRACE_LSA_MIN_SIZE \ GRACE_PERIOD_TLV_SIZE + GRACE_RESTART_REASON_TLV_SIZE struct ospf6_grace_lsa { - struct grace_tlv_graceperiod tlv_period; - struct grace_tlv_restart_reason tlv_reason; + struct tlv_grace_period tlv_period; + struct tlv_grace_restart_reason tlv_reason; }; struct advRtr { |