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| author | Ondrej Zajicek <santiago@crfreenet.org> | 2009-04-29 18:58:24 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2009-04-29 18:58:24 +0200 |
| commit | 4827b69ff43661f4f34d437999b0edaac76f7355 (patch) | |
| tree | 4e36a37b04fa4ba6bf363887fe4ecc65016e7fee /proto/bgp/bgp.h | |
| parent | ad440a570b37e8674ef35f3a18df48f0eb2579eb (diff) | |
| download | bird-4827b69ff43661f4f34d437999b0edaac76f7355.tar bird-4827b69ff43661f4f34d437999b0edaac76f7355.zip | |
Fixes BGP IPv6 link local next hop handling.
When sending 'third party' BGP update, Bird used bogus link local
addresses instead of addresses it received before.
Diffstat (limited to 'proto/bgp/bgp.h')
| -rw-r--r-- | proto/bgp/bgp.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/proto/bgp/bgp.h b/proto/bgp/bgp.h index 83ed9c7..8477f9e 100644 --- a/proto/bgp/bgp.h +++ b/proto/bgp/bgp.h @@ -148,6 +148,17 @@ void bgp_store_error(struct bgp_proto *p, struct bgp_conn *c, u8 class, u32 code /* attrs.c */ +/* Hack: although BA_NEXT_HOP attribute has type EAF_TYPE_IP_ADDRESS, in IPv6 + * we store two addesses in it - a global address and a link local address. + */ +#ifdef IPV6 +#define NEXT_HOP_LENGTH (2*sizeof(ip_addr)) +static inline void set_next_hop(byte *b, ip_addr addr) { ((ip_addr *) b)[0] = addr; ((ip_addr *) b)[1] = IPA_NONE; } +#else +#define NEXT_HOP_LENGTH sizeof(ip_addr) +static inline void set_next_hop(byte *b, ip_addr addr) { ((ip_addr *) b)[0] = addr; } +#endif + void bgp_attach_attr(struct ea_list **to, struct linpool *pool, unsigned attr, uintptr_t val); byte *bgp_attach_attr_wa(struct ea_list **to, struct linpool *pool, unsigned attr, unsigned len); struct rta *bgp_decode_attrs(struct bgp_conn *conn, byte *a, unsigned int len, struct linpool *pool, int mandatory); |