diff options
Diffstat (limited to 'contrib/tcpdump/igrp.h')
| -rw-r--r-- | contrib/tcpdump/igrp.h | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/contrib/tcpdump/igrp.h b/contrib/tcpdump/igrp.h index 1d84b54..f94ba3f 100644 --- a/contrib/tcpdump/igrp.h +++ b/contrib/tcpdump/igrp.h @@ -1,21 +1,18 @@ +/* @(#) $Header: /tcpdump/master/tcpdump/igrp.h,v 1.4 2000/12/17 23:07:49 guy Exp $ (LBL) */ /* Cisco IGRP definitions */ /* IGRP Header */ struct igrphdr { -#ifdef WORDS_BIGENDIAN - u_int ig_v:4; /* protocol version number */ - u_int ig_op:4; /* opcode */ -#else - u_int ig_op:4; /* opcode */ - u_int ig_v:4; /* protocol version number */ -#endif - u_char ig_ed; /* edition number */ - u_short ig_as; /* autonomous system number */ - u_short ig_ni; /* number of subnet in local net */ - u_short ig_ns; /* number of networks in AS */ - u_short ig_nx; /* number of networks ouside AS */ - u_short ig_sum; /* checksum of IGRP header & data */ + u_int8_t ig_vop; /* protocol version number / opcode */ +#define IGRP_V(x) (((x) & 0xf0) >> 4) +#define IGRP_OP(x) ((x) & 0x0f) + u_int8_t ig_ed; /* edition number */ + u_int16_t ig_as; /* autonomous system number */ + u_int16_t ig_ni; /* number of subnet in local net */ + u_int16_t ig_ns; /* number of networks in AS */ + u_int16_t ig_nx; /* number of networks ouside AS */ + u_int16_t ig_sum; /* checksum of IGRP header & data */ }; #define IGRP_UPDATE 1 @@ -24,13 +21,13 @@ struct igrphdr { /* IGRP routing entry */ struct igrprte { - u_char igr_net[3]; /* 3 significant octets of IP address */ - u_char igr_dly[3]; /* delay in tens of microseconds */ - u_char igr_bw[3]; /* bandwidth in units of 1 kb/s */ - u_char igr_mtu[2]; /* MTU in octets */ - u_char igr_rel; /* percent packets successfully tx/rx */ - u_char igr_ld; /* percent of channel occupied */ - u_char igr_hct; /* hop count */ + u_int8_t igr_net[3]; /* 3 significant octets of IP address */ + u_int8_t igr_dly[3]; /* delay in tens of microseconds */ + u_int8_t igr_bw[3]; /* bandwidth in units of 1 kb/s */ + u_int8_t igr_mtu[2]; /* MTU in octets */ + u_int8_t igr_rel; /* percent packets successfully tx/rx */ + u_int8_t igr_ld; /* percent of channel occupied */ + u_int8_t igr_hct; /* hop count */ }; #define IGRP_RTE_SIZE 14 /* don't believe sizeof ! */ |
