diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2005-06-10 09:58:10 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2005-06-10 09:58:10 +0000 |
| commit | 38bf32c05341b43c3f094cea79170097648de89f (patch) | |
| tree | ea143834f22183dda5a52ec2e6e0dd9923b71ef5 | |
| parent | e9ac32bf84e6c5f68608deacf1171d30b57c187f (diff) | |
Introduce attr_optlen() to get the total lenght of an optional attribute
plus header. Soon needed.
| -rw-r--r-- | usr.sbin/bgpd/rde.h | 3 | ||||
| -rw-r--r-- | usr.sbin/bgpd/rde_attr.c | 11 |
2 files changed, 12 insertions, 2 deletions
diff --git a/usr.sbin/bgpd/rde.h b/usr.sbin/bgpd/rde.h index dc09c897489..a0862b3f9ec 100644 --- a/usr.sbin/bgpd/rde.h +++ b/usr.sbin/bgpd/rde.h @@ -1,4 +1,4 @@ -/* $OpenBSD: rde.h,v 1.64 2005/04/12 14:32:00 claudio Exp $ */ +/* $OpenBSD: rde.h,v 1.65 2005/06/10 09:58:09 claudio Exp $ */ /* * Copyright (c) 2003, 2004 Claudio Jeker <claudio@openbsd.org> and @@ -249,6 +249,7 @@ int rde_decisionflags(void); /* rde_attr.c */ int attr_write(void *, u_int16_t, u_int8_t, u_int8_t, void *, u_int16_t); +int attr_optlen(struct attr *); void attr_optcopy(struct rde_aspath *, struct rde_aspath *); int attr_optadd(struct rde_aspath *, u_int8_t, u_int8_t, void *, u_int16_t); diff --git a/usr.sbin/bgpd/rde_attr.c b/usr.sbin/bgpd/rde_attr.c index 7a1495bd896..0a64a18f14c 100644 --- a/usr.sbin/bgpd/rde_attr.c +++ b/usr.sbin/bgpd/rde_attr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde_attr.c,v 1.46 2005/04/16 19:56:31 claudio Exp $ */ +/* $OpenBSD: rde_attr.c,v 1.47 2005/06/10 09:58:09 claudio Exp $ */ /* * Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org> @@ -62,6 +62,15 @@ attr_write(void *p, u_int16_t p_len, u_int8_t flags, u_int8_t type, } int +attr_optlen(struct attr *a) +{ + if (a->len > 255) + return (4 + a->len); + else + return (3 + a->len); +} + +int attr_optadd(struct rde_aspath *asp, u_int8_t flags, u_int8_t type, void *data, u_int16_t len) { |