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Protocol: Introducing an enum protocol_class

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This supersedes the EAP_* constants.
This commit is contained in:
Jan Maria Matejka
2018-05-07 14:47:00 +02:00
parent c3becfe193
commit ee7e2ffd26
27 changed files with 115 additions and 106 deletions
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56
proto/bgp/attrs.c
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@@ -92,7 +92,7 @@ bgp_set_attr(ea_list **attrs, struct linpool *pool, uint code, uint flags, uintp
a->next = *attrs;
*attrs = a;
e->id = EA_CODE(EAP_BGP, code);
e->id = EA_CODE(PROTOCOL_BGP, code);
e->type = bgp_attr_table[code].type;
e->flags = flags;
@@ -702,7 +702,7 @@ static inline void
bgp_decode_unknown(struct bgp_parse_state *s, uint code, uint flags, byte *data, uint len, ea_list **to)
{
/* Cannot use bgp_set_attr_data() as it works on known attributes only */
ea_set_attr_data(to, s->pool, EA_CODE(EAP_BGP, code), flags, EAF_TYPE_OPAQUE, data, len);
ea_set_attr_data(to, s->pool, EA_CODE(PROTOCOL_BGP, code), flags, EAF_TYPE_OPAQUE, data, len);
}
@@ -857,7 +857,7 @@ bgp_attr_known(uint code)
static inline void
bgp_export_attr(struct bgp_export_state *s, eattr *a, ea_list *to)
{
if (EA_PROTO(a->id) != EAP_BGP)
if (EA_PROTO(a->id) != PROTOCOL_BGP)
return;
uint code = EA_ID(a->id);
@@ -937,7 +937,7 @@ bgp_export_attrs(struct bgp_export_state *s, ea_list *attrs)
static inline int
bgp_encode_attr(struct bgp_write_state *s, eattr *a, byte *buf, uint size)
{
ASSERT(EA_PROTO(a->id) == EAP_BGP);
ASSERT(EA_PROTO(a->id) == PROTOCOL_BGP);
uint code = EA_ID(a->id);
@@ -1405,7 +1405,7 @@ bgp_import_control(struct proto *P, rte **new, ea_list **attrs UNUSED, struct li
/* Handle well-known communities, RFC 1997 */
struct eattr *c;
if (p->cf->interpret_communities &&
(c = ea_find(e->attrs->eattrs, EA_CODE(EAP_BGP, BA_COMMUNITY))))
(c = ea_find(e->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_COMMUNITY))))
{
struct adata *d = c->u.ptr;
@@ -1570,7 +1570,7 @@ bgp_rt_notify(struct proto *P, struct channel *C, net *n, rte *new, rte *old, ea
static inline u32
bgp_get_neighbor(rte *r)
{
eattr *e = ea_find(r->attrs->eattrs, EA_CODE(EAP_BGP, BA_AS_PATH));
eattr *e = ea_find(r->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_AS_PATH));
u32 as;
if (e && as_path_get_first_regular(e->u.ptr, &as))
@@ -1612,8 +1612,8 @@ bgp_rte_better(rte *new, rte *old)
return 0;
/* Start with local preferences */
x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_LOCAL_PREF));
y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_LOCAL_PREF));
x = ea_find(new->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF));
y = ea_find(old->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF));
n = x ? x->u.data : new_bgp->cf->default_local_pref;
o = y ? y->u.data : old_bgp->cf->default_local_pref;
if (n > o)
@@ -1624,8 +1624,8 @@ bgp_rte_better(rte *new, rte *old)
/* RFC 4271 9.1.2.2. a) Use AS path lengths */
if (new_bgp->cf->compare_path_lengths || old_bgp->cf->compare_path_lengths)
{
x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_AS_PATH));
y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_AS_PATH));
x = ea_find(new->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_AS_PATH));
y = ea_find(old->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_AS_PATH));
n = x ? as_path_getlen(x->u.ptr) : AS_PATH_MAXLEN;
o = y ? as_path_getlen(y->u.ptr) : AS_PATH_MAXLEN;
if (n < o)
@@ -1635,8 +1635,8 @@ bgp_rte_better(rte *new, rte *old)
}
/* RFC 4271 9.1.2.2. b) Use origins */
x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGIN));
y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGIN));
x = ea_find(new->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGIN));
y = ea_find(old->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGIN));
n = x ? x->u.data : ORIGIN_INCOMPLETE;
o = y ? y->u.data : ORIGIN_INCOMPLETE;
if (n < o)
@@ -1658,8 +1658,8 @@ bgp_rte_better(rte *new, rte *old)
if (new_bgp->cf->med_metric || old_bgp->cf->med_metric ||
(bgp_get_neighbor(new) == bgp_get_neighbor(old)))
{
x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC));
y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC));
x = ea_find(new->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC));
y = ea_find(old->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC));
n = x ? x->u.data : new_bgp->cf->default_med;
o = y ? y->u.data : old_bgp->cf->default_med;
if (n < o)
@@ -1684,8 +1684,8 @@ bgp_rte_better(rte *new, rte *old)
/* RFC 4271 9.1.2.2. f) Compare BGP identifiers */
/* RFC 4456 9. a) Use ORIGINATOR_ID instead of local neighbor ID */
x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID));
y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID));
x = ea_find(new->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGINATOR_ID));
y = ea_find(old->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGINATOR_ID));
n = x ? x->u.data : new_bgp->remote_id;
o = y ? y->u.data : old_bgp->remote_id;
@@ -1702,8 +1702,8 @@ bgp_rte_better(rte *new, rte *old)
return 0;
/* RFC 4456 9. b) Compare cluster list lengths */
x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_CLUSTER_LIST));
y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_CLUSTER_LIST));
x = ea_find(new->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_CLUSTER_LIST));
y = ea_find(old->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_CLUSTER_LIST));
n = x ? int_set_get_size(x->u.ptr) : 0;
o = y ? int_set_get_size(y->u.ptr) : 0;
if (n < o)
@@ -1733,8 +1733,8 @@ bgp_rte_mergable(rte *pri, rte *sec)
return 0;
/* Start with local preferences */
x = ea_find(pri->attrs->eattrs, EA_CODE(EAP_BGP, BA_LOCAL_PREF));
y = ea_find(sec->attrs->eattrs, EA_CODE(EAP_BGP, BA_LOCAL_PREF));
x = ea_find(pri->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF));
y = ea_find(sec->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF));
p = x ? x->u.data : pri_bgp->cf->default_local_pref;
s = y ? y->u.data : sec_bgp->cf->default_local_pref;
if (p != s)
@@ -1743,8 +1743,8 @@ bgp_rte_mergable(rte *pri, rte *sec)
/* RFC 4271 9.1.2.2. a) Use AS path lengths */
if (pri_bgp->cf->compare_path_lengths || sec_bgp->cf->compare_path_lengths)
{
x = ea_find(pri->attrs->eattrs, EA_CODE(EAP_BGP, BA_AS_PATH));
y = ea_find(sec->attrs->eattrs, EA_CODE(EAP_BGP, BA_AS_PATH));
x = ea_find(pri->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_AS_PATH));
y = ea_find(sec->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_AS_PATH));
p = x ? as_path_getlen(x->u.ptr) : AS_PATH_MAXLEN;
s = y ? as_path_getlen(y->u.ptr) : AS_PATH_MAXLEN;
@@ -1756,8 +1756,8 @@ bgp_rte_mergable(rte *pri, rte *sec)
}
/* RFC 4271 9.1.2.2. b) Use origins */
x = ea_find(pri->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGIN));
y = ea_find(sec->attrs->eattrs, EA_CODE(EAP_BGP, BA_ORIGIN));
x = ea_find(pri->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGIN));
y = ea_find(sec->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_ORIGIN));
p = x ? x->u.data : ORIGIN_INCOMPLETE;
s = y ? y->u.data : ORIGIN_INCOMPLETE;
if (p != s)
@@ -1767,8 +1767,8 @@ bgp_rte_mergable(rte *pri, rte *sec)
if (pri_bgp->cf->med_metric || sec_bgp->cf->med_metric ||
(bgp_get_neighbor(pri) == bgp_get_neighbor(sec)))
{
x = ea_find(pri->attrs->eattrs, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC));
y = ea_find(sec->attrs->eattrs, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC));
x = ea_find(pri->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC));
y = ea_find(sec->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_MULTI_EXIT_DISC));
p = x ? x->u.data : pri_bgp->cf->default_med;
s = y ? y->u.data : sec_bgp->cf->default_med;
if (p != s)
@@ -2009,8 +2009,8 @@ bgp_get_attr(eattr *a, byte *buf, int buflen)
void
bgp_get_route_info(rte *e, byte *buf, ea_list *attrs)
{
eattr *p = ea_find(attrs, EA_CODE(EAP_BGP, BA_AS_PATH));
eattr *o = ea_find(attrs, EA_CODE(EAP_BGP, BA_ORIGIN));
eattr *p = ea_find(attrs, EA_CODE(PROTOCOL_BGP, BA_AS_PATH));
eattr *o = ea_find(attrs, EA_CODE(PROTOCOL_BGP, BA_ORIGIN));
u32 origas;
buf += bsprintf(buf, " (%d", e->pref);