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| author | zec <zec@FreeBSD.org> | 2008-09-20 09:09:25 +0000 |
|---|---|---|
| committer | zec <zec@FreeBSD.org> | 2008-09-20 09:09:25 +0000 |
| commit | 12843f93b9d7372b583e0d4102c840304cc73fca (patch) | |
| tree | 8e6ea8689f5645994de474f808ee978f9bc749f7 /sys/net/route.h | |
| parent | df6baa426c8022150f3bcf31f5207c7bcb2c2461 (diff) | |
| download | FreeBSD-src-12843f93b9d7372b583e0d4102c840304cc73fca.zip FreeBSD-src-12843f93b9d7372b583e0d4102c840304cc73fca.tar.gz | |
Move #defines for MRT-related constants from net/route.c to
net/route.h, because the vnet code will need those constants as
well.
Reviewed by: bz
Approved by: julian (mentor)
MFC after: never
Diffstat (limited to 'sys/net/route.h')
| -rw-r--r-- | sys/net/route.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sys/net/route.h b/sys/net/route.h index 249a41e..9a01aa6 100644 --- a/sys/net/route.h +++ b/sys/net/route.h @@ -82,6 +82,27 @@ struct rt_metrics { #define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */ #define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ)) +/* MRT compile-time constants */ +#ifdef _KERNEL + #ifndef ROUTETABLES + #define RT_NUMFIBS 1 + #define RT_MAXFIBS 1 + #else + /* while we use 4 bits in the mbuf flags, we are limited to 16 */ + #define RT_MAXFIBS 16 + #if ROUTETABLES > RT_MAXFIBS + #define RT_NUMFIBS RT_MAXFIBS + #error "ROUTETABLES defined too big" + #else + #if ROUTETABLES == 0 + #define RT_NUMFIBS 1 + #else + #define RT_NUMFIBS ROUTETABLES + #endif + #endif + #endif +#endif + extern u_int rt_numfibs; /* number fo usable routing tables */ extern u_int tunnel_fib; /* tunnels use these */ extern u_int fwd_fib; /* packets being forwarded use these routes */ |
