return IP4;
}
-({XIGIT}{2}){16,}|{XIGIT}{2}(:{XIGIT}{2}){15,}|hex:({XIGIT}{2}*|{XIGIT}{2}(:{XIGIT}{2})*) {
+{XIGIT}{2}(:{XIGIT}{2}){5} {
+ mac_addr mac;
+ char *s = yytext;
+
+ int len = bstrhextobin(s, mac.addr);
+ if (len != 6)
+ cf_error("Invalid MAC address");
+
+ cf_lval.mac = mac;
+ return MAC_;
+}
+
+({XIGIT}{2}){10,}|{XIGIT}{2}(:{XIGIT}{2}){9,}|hex:({XIGIT}{2}*|{XIGIT}{2}(:{XIGIT}{2})*) {
char *s = yytext;
struct adata *bs;
#include "lib/socket.h"
#include "lib/timer.h"
#include "lib/string.h"
+#include "lib/evpn.h"
#include "nest/protocol.h"
#include "nest/iface.h"
#include "nest/route.h"
ip_addr a;
ip4_addr ip4;
ip6_addr ip6;
+ mac_addr mac;
net_addr net;
+ evpn_esi esi;
net_addr *net_ptr;
struct symbol *s;
struct keyword *kw;
%token <i> NUM ENUM
%token <ip4> IP4
%token <ip6> IP6
+%token <mac> MAC_
%token <i64> VPN_RD
%token <s> CF_SYM_KNOWN CF_SYM_UNDEFINED CF_SYM_METHOD_BARE CF_SYM_METHOD_ARGS
%token <t> TEXT
%type <a> ipa
%type <net> net_ip4_ net_ip4 net_ip6_ net_ip6 net_ip_ net_ip net_or_ipa
%type <net_ptr> net_ net_any net_vpn4_ net_vpn6_ net_vpn_ net_roa4_ net_roa6_ net_roa_ net_ip6_sadr_ net_mpls_
+%type <net_ptr> net_evpn_ net_evpn_ead_ net_evpn_mac_ net_evpn_mac_ip_ net_evpn_imet_ net_evpn_es_
%type <mls> label_stack_start label_stack
+%type <esi> evpn_esi
%type <t> text opttext
%type <bs> bytestring
%start config
CF_KEYWORDS(DEFINE, ON, OFF, YES, NO, S, MS, US, PORT, VPN, MPLS, FROM, MAX, AS)
+CF_KEYWORDS(EVPN, EAD, MAC, IMET, ES)
CF_GRAMMAR
net_fill_mpls($$, $2);
}
+evpn_esi: bytestring
+{
+ if ($1->length != 10)
+ cf_error("Invalid ESI length %u", (uint) $1->length);
+
+ memcpy(&$$, $1->data, 10);
+}
+
+net_evpn_ead_: EVPN EAD VPN_RD NUM evpn_esi
+{
+ $$ = cfg_alloc(sizeof(net_addr_evpn_ead));
+ net_fill_evpn_ead($$, $3, $4, $5);
+}
+
+net_evpn_mac_: EVPN MAC VPN_RD NUM MAC_ '*'
+{
+ $$ = cfg_alloc(sizeof(net_addr_evpn_mac));
+ net_fill_evpn_mac($$, $3, $4, $5);
+}
+
+net_evpn_mac_ip_: EVPN MAC VPN_RD NUM MAC_ ipa
+{
+ $$ = cfg_alloc(sizeof(net_addr_evpn_mac_ip));
+ net_fill_evpn_mac_ip($$, $3, $4, $5, $6);
+}
+
+net_evpn_imet_: EVPN IMET VPN_RD NUM ipa
+{
+ $$ = cfg_alloc(sizeof(net_addr_evpn_imet));
+ net_fill_evpn_imet($$, $3, $4, $5);
+}
+
+net_evpn_es_: EVPN ES VPN_RD evpn_esi ipa
+{
+ $$ = cfg_alloc(sizeof(net_addr_evpn_es));
+ net_fill_evpn_es($$, $3, $4, $5);
+}
+
+net_evpn_: net_evpn_ead_ | net_evpn_mac_ | net_evpn_mac_ip_ | net_evpn_imet_ | net_evpn_es_ ;
+
net_ip_: net_ip4_ | net_ip6_ ;
net_vpn_: net_vpn4_ | net_vpn6_ ;
net_roa_: net_roa4_ | net_roa6_ ;
| net_flow_
| net_ip6_sadr_
| net_mpls_
+ | net_evpn_
;
-src := bitmap.c bitops.c blake2s.c blake2b.c checksum.c event.c flowspec.c idm.c ip.c lists.c mac.c md5.c mempool.c net.c patmatch.c printf.c resource.c sha1.c sha256.c sha512.c slab.c slists.c strtoul.c tbf.c timer.c xmalloc.c
+src := bitmap.c bitops.c blake2s.c blake2b.c checksum.c event.c evpn.c flowspec.c idm.c ip.c lists.c mac.c md5.c mempool.c net.c patmatch.c printf.c resource.c sha1.c sha256.c sha512.c slab.c slists.c strtoul.c tbf.c timer.c xmalloc.c
obj := $(src-o-files)
$(all-daemon)
--- /dev/null
+/*
+ * BIRD Internet Routing Daemon -- EVPN Net Type
+ *
+ * (c) 2023 Ondrej Zajicek <santiago@crfreenet.org>
+ * (c) 2023 CZ.NIC z.s.p.o.
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include "nest/bird.h"
+#include "lib/net.h"
+
+uint
+evpn_format(char *buf, uint blen, const net_addr_evpn *n)
+{
+ char rds[32];
+ rd_format(n->rd, rds, 32);
+
+ switch (n->subtype)
+ {
+ case NET_EVPN_EAD:
+ return bsnprintf(buf, blen, "evpn ead %s %u %10b", rds, n->tag, &n->ead.esi);
+
+ case NET_EVPN_MAC:
+ if (n->length < sizeof(net_addr_evpn_mac_ip))
+ return bsnprintf(buf, blen, "evpn mac %s %u %6b *", rds, n->tag, &n->mac.mac);
+ else
+ return bsnprintf(buf, blen, "evpn mac %s %u %6b %I", rds, n->tag, &n->mac_ip.mac, n->mac_ip.ip);
+
+ case NET_EVPN_IMET:
+ return bsnprintf(buf, blen, "evpn imet %s %u %I", rds, n->tag, n->imet.rtr);
+
+ case NET_EVPN_ES:
+ return bsnprintf(buf, blen, "evpn es %s %10b %I", rds, &n->es.esi, n->es.rtr);
+ }
+
+ bug("unknown EVPN type %d", n->subtype);
+}
--- /dev/null
+/*
+ * BIRD Internet Routing Daemon -- EVPN Net Type
+ *
+ * (c) 2023 Ondrej Zajicek <santiago@crfreenet.org>
+ * (c) 2023 CZ.NIC z.s.p.o.
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_EVPN_NET_H_
+#define _BIRD_EVPN_NET_H_
+
+enum evpn_net_type {
+ NET_EVPN_EAD = 1,
+ NET_EVPN_MAC = 2,
+ NET_EVPN_IMET = 3,
+ NET_EVPN_ES = 4,
+ NET_EVPN_MAX
+};
+
+enum evpn_esi_type {
+ EVPN_ESI_MANUAL = 0,
+ EVPN_ESI_LACP = 1,
+ EVPN_ESI_MAX
+};
+
+typedef struct evpn_esi {
+ u8 type;
+ u8 value[9];
+} evpn_esi;
+
+typedef struct mac_addr {
+ u8 addr[6];
+} mac_addr;
+
+#define MAC_NONE ((mac_addr){ })
+
+static inline int mac_zero(mac_addr a)
+{ return !memcmp(&a, &MAC_NONE, sizeof(mac_addr)); }
+
+static inline int mac_nonzero(mac_addr a)
+{ return !mac_zero(a); }
+
+static inline int mac_compare(mac_addr a, mac_addr b)
+{ return memcmp(&a, &b, sizeof(mac_addr)); }
+
+union net_addr_evpn;
+uint evpn_format(char *buf, uint blen, const union net_addr_evpn *n);
+
+#endif
[NET_FLOW6] = "flow6",
[NET_IP6_SADR]= "ipv6-sadr",
[NET_MPLS] = "mpls",
+ [NET_EVPN] = "evpn",
};
const u16 net_addr_length[] = {
[NET_FLOW6] = 0,
[NET_IP6_SADR]= sizeof(net_addr_ip6_sadr),
[NET_MPLS] = sizeof(net_addr_mpls),
+ [NET_EVPN] = 0,
};
const u8 net_max_prefix_length[] = {
[NET_FLOW6] = IP6_MAX_PREFIX_LENGTH,
[NET_IP6_SADR]= IP6_MAX_PREFIX_LENGTH,
[NET_MPLS] = 0,
+ [NET_EVPN] = 0,
};
const u16 net_max_text_length[] = {
[NET_FLOW6] = 0, /* "flow6 { ... }" */
[NET_IP6_SADR]= 92, /* "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128 from ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128" */
[NET_MPLS] = 7, /* "1048575" */
+ [NET_EVPN] = 0,
};
/* There should be no implicit padding in net_addr structures */
STATIC_ASSERT(sizeof(net_addr_ip6_sadr) == 40);
STATIC_ASSERT(sizeof(net_addr_mpls) == 8);
+STATIC_ASSERT(sizeof(net_addr_evpn_ead) == 32);
+STATIC_ASSERT(sizeof(net_addr_evpn_mac) == 24);
+STATIC_ASSERT(sizeof(net_addr_evpn_mac_ip) == 40);
+STATIC_ASSERT(sizeof(net_addr_evpn_imet) == 32);
+STATIC_ASSERT(sizeof(net_addr_evpn_es) == 48);
+STATIC_ASSERT(sizeof(net_addr_evpn) == 48);
+
int
rd_format(const u64 rd, char *buf, int buflen)
return bsnprintf(buf, buflen, "%I6/%d from %I6/%d", n->ip6_sadr.dst_prefix, n->ip6_sadr.dst_pxlen, n->ip6_sadr.src_prefix, n->ip6_sadr.src_pxlen);
case NET_MPLS:
return bsnprintf(buf, buflen, "%u", n->mpls.label);
+ case NET_EVPN:
+ return evpn_format(buf, buflen, &n->evpn);;
}
bug("unknown network type");
return ipa_from_ip6(ip6_mkmask(net6_pxlen(a)));
case NET_MPLS:
+ case NET_EVPN:
default:
return IPA_NONE;
}
return net_compare_ip6_sadr((const net_addr_ip6_sadr *) a, (const net_addr_ip6_sadr *) b);
case NET_MPLS:
return net_compare_mpls((const net_addr_mpls *) a, (const net_addr_mpls *) b);
+ case NET_EVPN:
+ return net_compare_evpn((const net_addr_evpn *) a, (const net_addr_evpn *) b);
}
return 0;
}
case NET_FLOW6: return NET_HASH(n, flow6);
case NET_IP6_SADR: return NET_HASH(n, ip6_sadr);
case NET_MPLS: return NET_HASH(n, mpls);
+ case NET_EVPN: return NET_HASH(n, evpn);
default: bug("invalid type");
}
}
case NET_FLOW6: return NET_VALIDATE(n, flow6);
case NET_IP6_SADR: return NET_VALIDATE(n, ip6_sadr);
case NET_MPLS: return NET_VALIDATE(n, mpls);
+ case NET_EVPN: return NET_VALIDATE(n, evpn);
default: return 0;
}
}
return net_normalize_ip6_sadr(&n->ip6_sadr);
case NET_MPLS:
+ case NET_EVPN:
return;
}
}
return ip6_zero(n->ip6_sadr.dst_prefix) ? (IADDR_HOST | SCOPE_UNIVERSE) : ip6_classify(&n->ip6_sadr.dst_prefix);
case NET_MPLS:
+ case NET_EVPN: /* ?? */
return IADDR_HOST | SCOPE_UNIVERSE;
}
ip6_mkmask(net6_pxlen(n))));
case NET_MPLS:
+ case NET_EVPN:
default:
return 0;
}
#define _BIRD_NET_H_
#include "lib/ip.h"
+#include "lib/evpn.h"
+#include "lib/hash.h"
#define NET_IP4 1
#define NET_FLOW6 8
#define NET_IP6_SADR 9
#define NET_MPLS 10
-#define NET_MAX 11
+#define NET_EVPN 11
+#define NET_MAX 12
#define NB_IP4 (1 << NET_IP4)
#define NB_IP6 (1 << NET_IP6)
#define NB_FLOW6 (1 << NET_FLOW6)
#define NB_IP6_SADR (1 << NET_IP6_SADR)
#define NB_MPLS (1 << NET_MPLS)
+#define NB_EVPN (1 << NET_EVPN)
#define NB_IP (NB_IP4 | NB_IP6)
#define NB_VPN (NB_VPN4 | NB_VPN6)
#define NB_ROA (NB_ROA4 | NB_ROA6)
#define NB_FLOW (NB_FLOW4 | NB_FLOW6)
-#define NB_DEST (NB_IP | NB_IP6_SADR | NB_VPN | NB_MPLS)
+#define NB_DEST (NB_IP | NB_IP6_SADR | NB_VPN | NB_MPLS | NB_EVPN)
#define NB_ANY 0xffffffff
ip6_addr src_prefix;
} net_addr_ip6_sadr;
+typedef struct net_addr_evpn_ead {
+ u8 type;
+ u8 subtype;
+ u16 length;
+ u32 tag;
+ u64 rd;
+
+ evpn_esi esi;
+ u8 padding[6];
+} net_addr_evpn_ead;
+
+typedef struct net_addr_evpn_mac {
+ u8 type;
+ u8 subtype;
+ u16 length;
+ u32 tag;
+ u64 rd;
+
+ mac_addr mac;
+ u16 padding;
+} net_addr_evpn_mac;
+
+typedef struct net_addr_evpn_mac_ip {
+ u8 type;
+ u8 subtype;
+ u16 length;
+ u32 tag;
+ u64 rd;
+
+ mac_addr mac;
+ u16 padding0;
+ ip_addr ip;
+} net_addr_evpn_mac_ip;
+
+typedef struct net_addr_evpn_imet {
+ u8 type;
+ u8 subtype;
+ u16 length;
+ u32 tag;
+ u64 rd;
+
+ ip_addr rtr;
+} net_addr_evpn_imet;
+
+typedef struct net_addr_evpn_es {
+ u8 type;
+ u8 subtype;
+ u16 length;
+ u32 tag; /* unused */
+ u64 rd;
+
+ evpn_esi esi;
+ u8 padding[6];
+ ip_addr rtr;
+} net_addr_evpn_es;
+
+typedef union net_addr_evpn {
+ struct {
+ u8 type;
+ u8 subtype;
+ u16 length;
+ u32 tag;
+ u64 rd;
+ byte data[0];
+ };
+ net_addr_evpn_ead ead;
+ net_addr_evpn_mac mac;
+ net_addr_evpn_mac_ip mac_ip;
+ net_addr_evpn_imet imet;
+ net_addr_evpn_es es;
+} net_addr_evpn;
+
typedef union net_addr_union {
net_addr n;
net_addr_ip4 ip4;
net_addr_flow6 flow6;
net_addr_ip6_sadr ip6_sadr;
net_addr_mpls mpls;
+ net_addr_evpn evpn;
} net_addr_union;
((net_addr_mpls) { NET_MPLS, 20, sizeof(net_addr_mpls), label })
+#define NET_ADDR_EVPN_EAD(rd, tag, esi) \
+ ((net_addr_evpn_ead) { NET_EVPN, NET_EVPN_EAD, sizeof(net_addr_evpn_ead), tag, rd, .esi = esi })
+
+#define NET_ADDR_EVPN_MAC(rd, tag, mac) \
+ ((net_addr_evpn_mac) { NET_EVPN, NET_EVPN_MAC, sizeof(net_addr_evpn_mac), tag, rd, .mac = mac })
+
+#define NET_ADDR_EVPN_MAC_IP(rd, tag, mac, ip) \
+ ((net_addr_evpn_mac_ip) { NET_EVPN, NET_EVPN_MAC, sizeof(net_addr_evpn_mac_ip), tag, rd, .mac = mac, .ip = ip })
+
+#define NET_ADDR_EVPN_IMET(rd, tag, rtr) \
+ ((net_addr_evpn_imet) { NET_EVPN, NET_EVPN_IMET, sizeof(net_addr_evpn_imet), tag, rd, .rtr = rtr })
+
+#define NET_ADDR_EVPN_ES(rd, esi, rtr) \
+ ((net_addr_evpn_es) { NET_EVPN, NET_EVPN_ES, sizeof(net_addr_evpn_es), 0, rd, .esi = esi, .rtr = rtr })
+
+
static inline void net_fill_ip4(net_addr *a, ip4_addr prefix, uint pxlen)
{ *(net_addr_ip4 *)a = NET_ADDR_IP4(prefix, pxlen); }
static inline void net_fill_mpls(net_addr *a, u32 label)
{ *(net_addr_mpls *)a = NET_ADDR_MPLS(label); }
+
+static inline void net_fill_evpn_ead(net_addr *a, u64 rd, u32 tag, evpn_esi esi)
+{ *(net_addr_evpn_ead *)a = NET_ADDR_EVPN_EAD(rd, tag, esi); }
+
+static inline void net_fill_evpn_mac(net_addr *a, u64 rd, u32 tag, mac_addr mac)
+{ *(net_addr_evpn_mac *)a = NET_ADDR_EVPN_MAC(rd, tag, mac); }
+
+static inline void net_fill_evpn_mac_ip(net_addr *a, u64 rd, u32 tag, mac_addr mac, ip_addr ip)
+{ *(net_addr_evpn_mac_ip *)a = NET_ADDR_EVPN_MAC_IP(rd, tag, mac, ip); }
+
+static inline void net_fill_evpn_imet(net_addr *a, u64 rd, u32 tag, ip_addr rtr)
+{ *(net_addr_evpn_imet *)a = NET_ADDR_EVPN_IMET(rd, tag, rtr); }
+
+static inline void net_fill_evpn_es(net_addr *a, u64 rd, evpn_esi esi, ip_addr rtr)
+{ *(net_addr_evpn_es *)a = NET_ADDR_EVPN_ES(rd, esi, rtr); }
+
+
static inline void net_fill_ipa(net_addr *a, ip_addr prefix, uint pxlen)
{
if (ipa_is_ip4(prefix))
return ipa_from_ip6(net6_prefix(a));
case NET_MPLS:
+ case NET_EVPN:
default:
return IPA_NONE;
}
return ((net_addr_vpn4 *)a)->rd;
case NET_VPN6:
return ((net_addr_vpn6 *)a)->rd;
+ case NET_EVPN:
+ return ((net_addr_evpn *)a)->rd;
}
return 0;
}
static inline int net_equal_mpls(const net_addr_mpls *a, const net_addr_mpls *b)
{ return !memcmp(a, b, sizeof(net_addr_mpls)); }
+static inline int net_equal_evpn(const net_addr_evpn *a, const net_addr_evpn *b)
+{ return net_equal((const net_addr *) a, (const net_addr *) b); }
+
static inline int net_equal_prefix_roa4(const net_addr_roa4 *a, const net_addr_roa4 *b)
{ return ip4_equal(a->prefix, b->prefix) && (a->pxlen == b->pxlen); }
static inline int net_compare_mpls(const net_addr_mpls *a, const net_addr_mpls *b)
{ return uint_cmp(a->label, b->label); }
+static inline int net_compare_evpn(const net_addr_evpn *a, const net_addr_evpn *b)
+{
+ return
+ uint_cmp(a->subtype, b->subtype) ?: u64_cmp(a->rd, b->rd) ?: uint_cmp(a->tag, b->tag) ?:
+ uint_cmp(a->length, b->length) ?: memcmp(a->data, b->data, a->length - OFFSETOF(net_addr_evpn, data));
+}
+
int net_compare(const net_addr *a, const net_addr *b);
static inline void net_copy_mpls(net_addr_mpls *dst, const net_addr_mpls *src)
{ memcpy(dst, src, sizeof(net_addr_mpls)); }
+static inline void net_copy_evpn(net_addr_evpn *dst, const net_addr_evpn *src)
+{ memcpy(dst, src, src->length); }
+
static inline u32 px4_hash(ip4_addr prefix, u32 pxlen)
{ return ip4_hash(prefix) ^ (pxlen << 26); }
static inline u32 net_hash_mpls(const net_addr_mpls *n)
{ return u32_hash(n->label); }
+static inline u32 net_hash_evpn(const net_addr_evpn *n)
+{ return mem_hash(&n->tag, n->length - OFFSETOF(net_addr_evpn, tag)); }
+
u32 net_hash(const net_addr *a);
static inline int net_validate_mpls(const net_addr_mpls *n)
{ return n->label < (1 << 20); }
+static inline int net_validate_evpn(const net_addr_evpn *n UNUSED)
+{ return 1; /* XXX */ }
+
static inline int net_validate_ip6_sadr(const net_addr_ip6_sadr *n)
{ return net_validate_px6(n->dst_prefix, n->dst_pxlen) && net_validate_px6(n->src_prefix, n->src_pxlen); }
CF_ENUM(T_ENUM_ROA, ROA_, UNKNOWN, VALID, INVALID)
CF_ENUM_PX(T_ENUM_AF, AF_, AFI_, IPV4, IPV6)
CF_ENUM(T_ENUM_MPLS_POLICY, MPLS_POLICY_, NONE, STATIC, PREFIX, AGGREGATE, VRF)
+CF_ENUM(T_ENUM_NET_EVPN, NET_EVPN_, EAD, MAC, IMET, ES)
%type <i32> idval
%type <f> imexport
| ROA6 { $$ = NET_ROA6; }
| FLOW4{ $$ = NET_FLOW4; }
| FLOW6{ $$ = NET_FLOW6; }
+ | EVPN { $$ = NET_EVPN; }
;
net_type:
| MPLS { $$ = NET_MPLS; }
;
-CF_ENUM(T_ENUM_NETTYPE, NET_, IP4, IP6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6, IP6_SADR, MPLS)
+CF_ENUM(T_ENUM_NETTYPE, NET_, IP4, IP6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6, IP6_SADR, MPLS, EVPN)
/* Creation of routing tables */
case NET_FLOW6: return FIB_FIND(f, a, flow6);
case NET_IP6_SADR: return FIB_FIND(f, a, ip6_sadr);
case NET_MPLS: return FIB_FIND(f, a, mpls);
+ case NET_EVPN: return FIB_FIND(f, a, evpn);
default: bug("invalid type");
}
}
case NET_FLOW6: FIB_INSERT(f, a, e, flow6); return;
case NET_IP6_SADR: FIB_INSERT(f, a, e, ip6_sadr); return;
case NET_MPLS: FIB_INSERT(f, a, e, mpls); return;
+ case NET_EVPN: FIB_INSERT(f, a, e, evpn); return;
default: bug("invalid type");
}
}
projects / thirdparty / bird.git / commitdiff
