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Merge commit '98fd158e28d89f10ee7a41b4f6a14fbd0021ef35' into haugesund

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Maria Matejka 2022-05-30 15:35:29 +02:00
commit ef3a8138c9
2 changed files with 37 additions and 19 deletions
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2
nest/route.h
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@ -700,9 +700,9 @@ const char *ea_custom_name(uint ea);
#define EAF_TYPE_AS_PATH 0x06 /* BGP AS path (encoding per RFC 1771:4.3) */ #define EAF_TYPE_AS_PATH 0x06 /* BGP AS path (encoding per RFC 1771:4.3) */
#define EAF_TYPE_BITFIELD 0x09 /* 32-bit embedded bitfield */ #define EAF_TYPE_BITFIELD 0x09 /* 32-bit embedded bitfield */
#define EAF_TYPE_INT_SET 0x0a /* Set of u32's (e.g., a community list) */ #define EAF_TYPE_INT_SET 0x0a /* Set of u32's (e.g., a community list) */
#define EAF_TYPE_PTR 0x0d /* Pointer to an object */
#define EAF_TYPE_EC_SET 0x0e /* Set of pairs of u32's - ext. community list */ #define EAF_TYPE_EC_SET 0x0e /* Set of pairs of u32's - ext. community list */
#define EAF_TYPE_LC_SET 0x12 /* Set of triplets of u32's - large community list */ #define EAF_TYPE_LC_SET 0x12 /* Set of triplets of u32's - large community list */
#define EAF_TYPE_IFACE 0x16 /* Interface pointer stored in adata */
#define EAF_EMBEDDED 0x01 /* Data stored in eattr.u.data (part of type spec) */ #define EAF_EMBEDDED 0x01 /* Data stored in eattr.u.data (part of type spec) */
#define EAF_VAR_LENGTH 0x02 /* Attribute length is variable (part of type spec) */ #define EAF_VAR_LENGTH 0x02 /* Attribute length is variable (part of type spec) */

54
proto/rip/rip.c
View File

@ -124,6 +124,11 @@ static inline int rip_same_rte(struct rip_rte *a, struct rip_rte *b)
static inline int rip_valid_rte(struct rip_rte *rt) static inline int rip_valid_rte(struct rip_rte *rt)
{ return rt->from->ifa != NULL; } { return rt->from->ifa != NULL; }
struct rip_iface_adata {
struct adata ad;
struct iface *iface;
};
/** /**
* rip_announce_rte - announce route from RIP routing table to the core * rip_announce_rte - announce route from RIP routing table to the core
* @p: RIP instance * @p: RIP instance
@ -188,25 +193,37 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en)
a0.nh.iface = rt->from->ifa->iface; a0.nh.iface = rt->from->ifa->iface;
} }
a0.eattrs = alloca(sizeof(ea_list) + 3*sizeof(eattr)); struct {
memset(a0.eattrs, 0, sizeof(ea_list)); /* Zero-ing only the ea_list header */ ea_list l;
a0.eattrs->count = 3; eattr e[3];
a0.eattrs->attrs[0] = (eattr) { struct rip_iface_adata riad;
.id = EA_RIP_METRIC, } ea_block = {
.type = EAF_TYPE_INT, .l = { .count = 3, },
.u.data = rt_metric, .e = {
}; {
a0.eattrs->attrs[1] = (eattr) { .id = EA_RIP_METRIC,
.id = EA_RIP_TAG, .type = EAF_TYPE_INT,
.type = EAF_TYPE_INT, .u.data = rt_metric,
.u.data = rt_tag, },
}; {
a0.eattrs->attrs[2] = (eattr) { .id = EA_RIP_TAG,
.id = EA_RIP_FROM, .type = EAF_TYPE_INT,
.type = EAF_TYPE_PTR, .u.data = rt_tag,
.u.data = (uintptr_t) a0.nh.iface, },
{
.id = EA_RIP_FROM,
.type = EAF_TYPE_IFACE,
.u.ptr = &ea_block.riad.ad,
}
},
.riad = {
.ad = { .length = sizeof(struct rip_iface_adata) - sizeof(struct adata) },
.iface = a0.nh.iface,
},
}; };
a0.eattrs = &ea_block.l;
rte e0 = { rte e0 = {
.attrs = &a0, .attrs = &a0,
.src = p->p.main_source, .src = p->p.main_source,
@ -322,7 +339,8 @@ rip_rt_notify(struct proto *P, struct channel *ch UNUSED, const net_addr *net, s
/* Update */ /* Update */
u32 rt_tag = ea_get_int(new->attrs->eattrs, EA_RIP_TAG, 0); u32 rt_tag = ea_get_int(new->attrs->eattrs, EA_RIP_TAG, 0);
u32 rt_metric = ea_get_int(new->attrs->eattrs, EA_RIP_METRIC, 1); u32 rt_metric = ea_get_int(new->attrs->eattrs, EA_RIP_METRIC, 1);
struct iface *rt_from = (struct iface *) ea_get_int(new->attrs->eattrs, EA_RIP_FROM, 0); const eattr *rie = ea_find(new->attrs->eattrs, EA_RIP_FROM);
struct iface *rt_from = rie ? ((struct rip_iface_adata *) rie->u.ptr)->iface : NULL;
if (rt_metric > p->infinity) if (rt_metric > p->infinity)
{ {