diff options
Diffstat (limited to 'nest')
| -rw-r--r-- | nest/route.h | 3 | ||||
| -rw-r--r-- | nest/rt-table.c | 33 |
2 files changed, 36 insertions, 0 deletions
diff --git a/nest/route.h b/nest/route.h index 8dfbb376..3e835bb1 100644 --- a/nest/route.h +++ b/nest/route.h @@ -308,6 +308,8 @@ void rte_free(rte *); rte *rte_do_cow(rte *); static inline rte * rte_cow(rte *r) { return (r->flags & REF_COW) ? rte_do_cow(r) : r; } rte *rte_cow_rta(rte *r, linpool *lp); +void rte_make_tmp_attr(struct rte *r, struct ea_list *e, uint id, uint type, u32 val); +uint rte_store_tmp_attr(struct rte *r, uint id); void rt_dump(rtable *); void rt_dump_all(void); int rt_feed_channel(struct channel *c); @@ -481,6 +483,7 @@ typedef struct eattr { #define EA_CODE(proto,id) (((proto) << 8) | (id)) #define EA_ID(ea) ((ea) & 0xff) #define EA_PROTO(ea) ((ea) >> 8) +#define EA_ID_FLAG(ea) (1 << EA_ID(ea)) #define EA_CUSTOM(id) ((id) | EA_CUSTOM_BIT) #define EA_IS_CUSTOM(ea) ((ea) & EA_CUSTOM_BIT) #define EA_CUSTOM_ID(ea) ((ea) & ~EA_CUSTOM_BIT) diff --git a/nest/rt-table.c b/nest/rt-table.c index 6bf07a09..7990fca3 100644 --- a/nest/rt-table.c +++ b/nest/rt-table.c @@ -325,6 +325,39 @@ rte_cow_rta(rte *r, linpool *lp) return r; } + +/* Note that rte_make_tmp_attr() requires free eattr in ea_list */ +void +rte_make_tmp_attr(rte *r, ea_list *e, uint id, uint type, u32 val) +{ + if (r->pflags & EA_ID_FLAG(id)) + { + eattr *a = &e->attrs[e->count++]; + a->id = id; + a->type = type | EAF_TEMP; + a->flags = 0; + a->u.data = val; + } +} + +/* Note that rte has to be writable */ +uint +rte_store_tmp_attr(rte *r, uint id) +{ + eattr *a; + if (a = ea_find(r->attrs->eattrs, id)) + { + r->pflags |= EA_ID_FLAG(id); + return a->u.data; + } + else + { + r->pflags &= ~EA_ID_FLAG(id); + return 0; + } +} + + static int /* Actually better or at least as good as */ rte_better(rte *new, rte *old) { |