diff options
author | Maria Matejka <mq@ucw.cz> | 2022-05-30 15:43:13 +0200 |
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committer | Maria Matejka <mq@ucw.cz> | 2022-05-30 15:43:13 +0200 |
commit | 54344f15f8a6a6f5f0388097a1825a9c08c17482 (patch) | |
tree | 85af19e3330719d3486efdf8a12fc5f9549b72ac /nest | |
parent | 3752654852f4962465154257348000d6de1c2dae (diff) | |
parent | 0d0f6554a5c233bf2bf830ae319191c4b1808d49 (diff) |
Merge commit '0d0f6554a5c233bf2bf830ae319191c4b1808d49' into haugesund
Diffstat (limited to 'nest')
-rw-r--r-- | nest/config.Y | 2 | ||||
-rw-r--r-- | nest/route.h | 47 | ||||
-rw-r--r-- | nest/rt-attr.c | 23 |
3 files changed, 27 insertions, 45 deletions
diff --git a/nest/config.Y b/nest/config.Y index 7d266bbc..3152aec2 100644 --- a/nest/config.Y +++ b/nest/config.Y @@ -924,7 +924,7 @@ proto_patt2: | TEXT { $$.ptr = $1; $$.patt = 1; } ; -dynamic_attr: IGP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_GEN_IGP_METRIC); } ; +dynamic_attr: IGP_METRIC { $$ = f_new_dynamic_attr(T_INT, EA_GEN_IGP_METRIC); } ; CF_CODE diff --git a/nest/route.h b/nest/route.h index 65cacdec..89eb32ff 100644 --- a/nest/route.h +++ b/nest/route.h @@ -14,6 +14,7 @@ #include "lib/bitmap.h" #include "lib/resource.h" #include "lib/net.h" +#include "lib/type.h" struct ea_list; struct protocol; @@ -668,10 +669,8 @@ typedef struct eattr { byte originated:1; /* The attribute has originated locally */ byte fresh:1; /* An uncached attribute (e.g. modified in export filter) */ byte undef:1; /* Explicitly undefined */ - union { - uintptr_t data; - const struct adata *ptr; /* Attribute data elsewhere */ - } u; + + union bval u; } eattr; @@ -692,22 +691,6 @@ const char *ea_custom_name(uint ea); #define EA_BIT(n) ((n) << 24) /* Used in bitfield accessors */ #define EA_BIT_GET(ea) ((ea) >> 24) -#define EAF_TYPE_MASK 0x1f /* Mask with this to get type */ -#define EAF_TYPE_INT 0x01 /* 32-bit unsigned integer number */ -#define EAF_TYPE_OPAQUE 0x02 /* Opaque byte string (not filterable) */ -#define EAF_TYPE_IP_ADDRESS 0x04 /* IP address */ -#define EAF_TYPE_ROUTER_ID 0x05 /* Router ID (IPv4 address) */ -#define EAF_TYPE_AS_PATH 0x06 /* BGP AS path (encoding per RFC 1771:4.3) */ -#define EAF_TYPE_INT_SET 0x0a /* Set of u32's (e.g., a community list) */ -#define EAF_TYPE_EC_SET 0x0e /* Set of pairs of u32's - ext. community list */ -#define EAF_TYPE_LC_SET 0x08 /* Set of triplets of u32's - large community list */ -#define EAF_TYPE_IFACE 0x0c /* Interface pointer stored in adata */ -#define EAF_TYPE_BGP_ORIGIN 0x11 /* BGP Origin enum */ -#define EAF_TYPE_RA_PREFERENCE 0x13 /* RA Preference enum */ - -#define EAF_EMBEDDED 0x01 /* Data stored in eattr.u.data (part of type spec) */ - /* Otherwise, attribute data is adata */ - typedef struct adata { uint length; /* Length of data */ byte data[0]; @@ -753,7 +736,7 @@ struct ea_walk_state { eattr *ea_find(ea_list *, unsigned ea); eattr *ea_walk(struct ea_walk_state *s, uint id, uint max); -uintptr_t ea_get_int(ea_list *, unsigned ea, uintptr_t def); +u32 ea_get_int(ea_list *, unsigned ea, u32 def); void ea_dump(ea_list *); void ea_sort(ea_list *); /* Sort entries in all sub-lists */ unsigned ea_scan(ea_list *); /* How many bytes do we need for merged ea_list */ @@ -780,7 +763,7 @@ struct ea_one_attr_list { }; static inline eattr * -ea_set_attr(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, uintptr_t val) +ea_set_attr(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, union bval val) { struct ea_one_attr_list *ea = lp_alloc(pool, sizeof(*ea)); *ea = (struct ea_one_attr_list) { @@ -793,11 +776,7 @@ ea_set_attr(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, .a.flags = flags, }; - if (type & EAF_EMBEDDED) - ea->a.u.data = val; - else - ea->a.u.ptr = (struct adata *) val; - + ea->a.u = val; *to = &ea->l; return &ea->a; @@ -821,19 +800,19 @@ ea_unset_attr(ea_list **to, struct linpool *pool, _Bool local, uint code) } static inline void -ea_set_attr_u32(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, u32 val) -{ ea_set_attr(to, pool, id, flags, type, (uintptr_t) val); } - -static inline void -ea_set_attr_ptr(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, struct adata *val) -{ ea_set_attr(to, pool, id, flags, type, (uintptr_t) val); } +ea_set_attr_u32(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, u32 data) +{ + union bval bv = { .data = data }; + ea_set_attr(to, pool, id, flags, type, bv); +} static inline void ea_set_attr_data(ea_list **to, struct linpool *pool, uint id, uint flags, uint type, void *data, uint len) { struct adata *a = lp_alloc_adata(pool, len); memcpy(a->data, data, len); - ea_set_attr(to, pool, id, flags, type, (uintptr_t) a); + union bval bv = { .ptr = a, }; + ea_set_attr(to, pool, id, flags, type, bv); } diff --git a/nest/rt-attr.c b/nest/rt-attr.c index 25548dca..de45dfa1 100644 --- a/nest/rt-attr.c +++ b/nest/rt-attr.c @@ -539,8 +539,8 @@ ea_walk(struct ea_walk_state *s, uint id, uint max) * by calling ea_find() to find the attribute, extracting its value or returning * a provided default if no such attribute is present. */ -uintptr_t -ea_get_int(ea_list *e, unsigned id, uintptr_t def) +u32 +ea_get_int(ea_list *e, unsigned id, u32 def) { eattr *a = ea_find(e, id); if (!a) @@ -950,30 +950,33 @@ ea_show(struct cli *c, const eattr *e) else switch (e->type) { - case EAF_TYPE_INT: + case T_INT: bsprintf(pos, "%u", e->u.data); break; - case EAF_TYPE_OPAQUE: + case T_OPAQUE: opaque_format(ad, pos, end - pos); break; - case EAF_TYPE_IP_ADDRESS: + case T_IP: bsprintf(pos, "%I", *(ip_addr *) ad->data); break; - case EAF_TYPE_ROUTER_ID: + case T_QUAD: bsprintf(pos, "%R", e->u.data); break; - case EAF_TYPE_AS_PATH: + case T_PATH: as_path_format(ad, pos, end - pos); break; - case EAF_TYPE_INT_SET: + case T_CLIST: ea_show_int_set(c, ad, 1, pos, buf, end); return; - case EAF_TYPE_EC_SET: + case T_ECLIST: ea_show_ec_set(c, ad, pos, buf, end); return; - case EAF_TYPE_LC_SET: + case T_LCLIST: ea_show_lc_set(c, ad, pos, buf, end); return; + case T_IFACE: + bsprintf(pos, "%s", ((struct iface *) e->u.ptr)->name); + return; default: bsprintf(pos, "<type %02x>", e->type); } |