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Add #defines for control fields and address bits.

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This commit is contained in:
Matthew N. Dodd 2005-04-13 08:14:14 +00:00
parent ce99e87705
commit f7251b07e2
1 changed files with 28 additions and 0 deletions
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28
sys/net/iso88025.h
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@ -85,6 +85,34 @@
#define ISO88025_IS_VALID_LEN(foo) \
((foo) >= ISO88025_MIN_LEN && (foo) <= ISO88025_MAX_LEN)
/* Access Control field */
#define AC_PRI_MASK 0xe0 /* Priority bits */
#define AC_TOKEN 0x10 /* Token bit: 0=Token, 1=Frame */
#define AC_MONITOR 0x08 /* Monitor */
#define AC_RESV_MASK 0x07 /* Reservation bits */
/* Frame Control field */
#define FC_FT_MASK 0xc0 /* Frame Type */
#define FC_FT_MAC 0x00 /* MAC frame */
#define FC_FT_LLC 0x40 /* LLC frame */
#define FC_ATTN_MASK 0x0f /* Attention bits */
#define FC_ATTN_EB 0x01 /* Express buffer */
#define FC_ATTN_BE 0x02 /* Beacon */
#define FC_ATTN_CT 0x03 /* Claim token */
#define FC_ATTN_RP 0x04 /* Ring purge */
#define FC_ATTN_AMP 0x05 /* Active monitor present */
#define FC_ATTN_SMP 0x06 /* Standby monitor present */
/* Token Ring destination address */
#define DA_IG 0x80 /* Individual/group address. */
/* 0=Individual, 1=Group */
#define DA_UL 0x40 /* Universal/local address. */
/* 0=Universal, 1=Local */
/* Token Ring source address */
#define SA_RII 0x80 /* Routing information indicator */
#define SA_IG 0x40 /* Individual/group address */
/* 0=Group, 1=Individual */
/*
* ISO 802.5 physical header
*/