diff options
-rw-r--r-- | conf/confbase.Y | 9 | ||||
-rw-r--r-- | doc/bird.sgml | 7 | ||||
-rw-r--r-- | lib/net.c | 15 | ||||
-rw-r--r-- | lib/net.h | 43 | ||||
-rw-r--r-- | nest/a-set.c | 18 | ||||
-rw-r--r-- | nest/a-set_test.c | 14 | ||||
-rw-r--r-- | nest/attrs.h | 7 | ||||
-rw-r--r-- | nest/config.Y | 11 | ||||
-rw-r--r-- | nest/route.h | 1 | ||||
-rw-r--r-- | nest/rt-attr.c | 13 | ||||
-rw-r--r-- | nest/rt-fib.c | 2 | ||||
-rw-r--r-- | proto/bgp/attrs.c | 2 | ||||
-rw-r--r-- | proto/static/config.Y | 29 | ||||
-rw-r--r-- | proto/static/static.c | 26 | ||||
-rw-r--r-- | proto/static/static.h | 5 |
15 files changed, 182 insertions, 20 deletions
diff --git a/conf/confbase.Y b/conf/confbase.Y index ed3c1e6e..cdbdf1ce 100644 --- a/conf/confbase.Y +++ b/conf/confbase.Y @@ -118,7 +118,7 @@ CF_DECLS %type <time> expr_us time %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_ net_any net_vpn4_ net_vpn6_ net_vpn_ net_roa4_ net_roa6_ net_roa_ net_ip6_sadr_ net_mpls_ net_aspa_ %type <mls> label_stack_start label_stack %type <t> text opttext @@ -299,6 +299,12 @@ net_mpls_: MPLS NUM net_fill_mpls($$, $2); } +net_aspa_: ASPA NUM +{ + $$ = cfg_alloc(sizeof(net_addr_aspa)); + net_fill_aspa($$, $2); +} + net_ip_: net_ip4_ | net_ip6_ ; net_vpn_: net_vpn4_ | net_vpn6_ ; net_roa_: net_roa4_ | net_roa6_ ; @@ -310,6 +316,7 @@ net_: | net_flow_ | net_ip6_sadr_ | net_mpls_ + | net_aspa_ ; diff --git a/doc/bird.sgml b/doc/bird.sgml index ced927d4..d0bfabdb 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -5972,6 +5972,13 @@ options (<cf/bfd/ and <cf/weight 1/), the second nexthop has just <cf/weight 2/. <p>The ROA config is just <cf>route <m/prefix/ max <m/int/ as <m/int/</cf> with no nexthop. +<sect1>Autonomous System Provider Authorization + +<p>The ASPA config is <cf>route aspa <m/int/ providers <m/int/ [, <m/int/ ...]</cf> with no nexthop. + The first ASN is client and the following are a list of providers. + For a transit, you can also write <cf>route aspa <m/int/ transit</cf> to get + the no-provider ASPA. + <sect1>Flowspec <label id="flowspec-network-type"> @@ -16,6 +16,7 @@ const char * const net_label[] = { [NET_FLOW6] = "flow6", [NET_IP6_SADR]= "ipv6-sadr", [NET_MPLS] = "mpls", + [NET_ASPA] = "aspa", }; const u16 net_addr_length[] = { @@ -29,6 +30,7 @@ const u16 net_addr_length[] = { [NET_FLOW6] = 0, [NET_IP6_SADR]= sizeof(net_addr_ip6_sadr), [NET_MPLS] = sizeof(net_addr_mpls), + [NET_ASPA] = sizeof(net_addr_aspa), }; const u8 net_max_prefix_length[] = { @@ -42,6 +44,7 @@ const u8 net_max_prefix_length[] = { [NET_FLOW6] = IP6_MAX_PREFIX_LENGTH, [NET_IP6_SADR]= IP6_MAX_PREFIX_LENGTH, [NET_MPLS] = 0, + [NET_ASPA] = 0, }; const u16 net_max_text_length[] = { @@ -55,6 +58,7 @@ 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_ASPA] = 10, /* "4294967295" */ }; /* There should be no implicit padding in net_addr structures */ @@ -69,6 +73,7 @@ STATIC_ASSERT(sizeof(net_addr_flow4) == 8); STATIC_ASSERT(sizeof(net_addr_flow6) == 20); STATIC_ASSERT(sizeof(net_addr_ip6_sadr) == 40); STATIC_ASSERT(sizeof(net_addr_mpls) == 8); +STATIC_ASSERT(sizeof(net_addr_aspa) == 8); int @@ -123,6 +128,8 @@ net_format(const net_addr *N, 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_ASPA: + return bsnprintf(buf, buflen, "%u", n->aspa.asn); } bug("unknown network type"); @@ -147,6 +154,7 @@ net_pxmask(const net_addr *a) return ipa_from_ip6(ip6_mkmask(net6_pxlen(a))); case NET_MPLS: + case NET_ASPA: default: return IPA_NONE; } @@ -180,6 +188,8 @@ net_compare(const net_addr *a, const net_addr *b) 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_ASPA: + return net_compare_aspa((const net_addr_aspa *) a, (const net_addr_aspa *) b); } return 0; } @@ -201,6 +211,7 @@ net_hash(const net_addr *n) 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_ASPA: return NET_HASH(n, aspa); default: bug("invalid type"); } } @@ -223,6 +234,7 @@ net_validate(const net_addr *n) 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_ASPA: return NET_VALIDATE(n, aspa); default: return 0; } } @@ -250,6 +262,7 @@ net_normalize(net_addr *N) return net_normalize_ip6_sadr(&n->ip6_sadr); case NET_MPLS: + case NET_ASPA: return; } } @@ -277,6 +290,7 @@ net_classify(const net_addr *N) return ip6_zero(n->ip6_sadr.dst_prefix) ? (IADDR_HOST | SCOPE_UNIVERSE) : ip6_classify(&n->ip6_sadr.dst_prefix); case NET_MPLS: + case NET_ASPA: return IADDR_HOST | SCOPE_UNIVERSE; } @@ -310,6 +324,7 @@ ipa_in_netX(const ip_addr a, const net_addr *n) ip6_mkmask(net6_pxlen(n)))); case NET_MPLS: + case NET_ASPA: default: return 0; } @@ -23,7 +23,8 @@ #define NET_FLOW6 8 #define NET_IP6_SADR 9 #define NET_MPLS 10 -#define NET_MAX 11 +#define NET_ASPA 11 +#define NET_MAX 12 #define NB_IP4 (1 << NET_IP4) #define NB_IP6 (1 << NET_IP6) @@ -35,6 +36,7 @@ #define NB_FLOW6 (1 << NET_FLOW6) #define NB_IP6_SADR (1 << NET_IP6_SADR) #define NB_MPLS (1 << NET_MPLS) +#define NB_ASPA (1 << NET_ASPA) #define NB_IP (NB_IP4 | NB_IP6) #define NB_VPN (NB_VPN4 | NB_VPN6) @@ -124,6 +126,13 @@ typedef struct net_addr_mpls { u32 label; } net_addr_mpls; +typedef struct net_addr_aspa { + u8 type; + u8 pxlen; + u16 length; + u32 asn; +} net_addr_aspa; + typedef struct net_addr_ip6_sadr { u8 type; u8 dst_pxlen; @@ -145,6 +154,7 @@ typedef union net_addr_union { net_addr_flow6 flow6; net_addr_ip6_sadr ip6_sadr; net_addr_mpls mpls; + net_addr_aspa aspa; } net_addr_union; @@ -183,6 +193,12 @@ extern const u16 net_max_text_length[]; #define NET_ADDR_IP6_SADR(dst_prefix,dst_pxlen,src_prefix,src_pxlen) \ ((net_addr_ip6_sadr) { NET_IP6_SADR, dst_pxlen, sizeof(net_addr_ip6_sadr), dst_prefix, src_pxlen, src_prefix }) +#define NET_ADDR_ASPA(asn) \ + ((net_addr_aspa) { NET_ASPA, 32, sizeof(net_addr_aspa), asn }) + +#define NET_ADDR_ASPA_EXISTS(asn) NET_ADDR_ASPA(asn, asn) +#define NET_ADDR_ASPA_TRANSIT(asn) NET_ADDR_ASPA(asn, 0) + #define NET_ADDR_MPLS(label) \ ((net_addr_mpls) { NET_MPLS, 20, sizeof(net_addr_mpls), label }) @@ -211,6 +227,9 @@ static inline void net_fill_ip6_sadr(net_addr *a, ip6_addr dst_prefix, uint dst_ static inline void net_fill_mpls(net_addr *a, u32 label) { *(net_addr_mpls *)a = NET_ADDR_MPLS(label); } +static inline void net_fill_aspa(net_addr *a, u32 asn) +{ *(net_addr_aspa *)a = NET_ADDR_ASPA(asn); } + static inline void net_fill_ipa(net_addr *a, ip_addr prefix, uint pxlen) { if (ipa_is_ip4(prefix)) @@ -269,6 +288,9 @@ static inline int net_is_roa(const net_addr *a) static inline int net_is_flow(const net_addr *a) { return (a->type == NET_FLOW4) || (a->type == NET_FLOW6); } +static inline int net_is_aspa(const net_addr *a) +{ return (a->type == NET_ASPA); } + static inline int net_is_sadr(const net_addr *a) { return (a->type == NET_IP6_SADR); } @@ -296,6 +318,7 @@ static inline ip_addr net_prefix(const net_addr *a) return ipa_from_ip6(net6_prefix(a)); case NET_MPLS: + case NET_ASPA: default: return IPA_NONE; } @@ -366,6 +389,9 @@ static inline int net_equal_ip6_sadr(const net_addr_ip6_sadr *a, const net_addr_ 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_aspa(const net_addr_aspa *a, const net_addr_aspa *b) +{ return !memcmp(a, b, sizeof(net_addr_aspa)); } + 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); } @@ -407,6 +433,9 @@ static inline int net_zero_flow6(const net_addr_flow6 *a) static inline int net_zero_mpls(const net_addr_mpls *a) { return !a->label; } +static inline int net_zero_aspa(const net_addr_aspa *a) +{ return !a->asn; } + static inline int net_compare_ip4(const net_addr_ip4 *a, const net_addr_ip4 *b) { return ip4_compare(a->prefix, b->prefix) ?: uint_cmp(a->pxlen, b->pxlen); } @@ -442,6 +471,9 @@ static inline int net_compare_ip6_sadr(const net_addr_ip6_sadr *a, const net_add 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_aspa(const net_addr_aspa *a, const net_addr_aspa *b) +{ return uint_cmp(a->asn, b->asn); } + int net_compare(const net_addr *a, const net_addr *b); @@ -478,6 +510,9 @@ static inline void net_copy_ip6_sadr(net_addr_ip6_sadr *dst, const net_addr_ip6_ 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_aspa(net_addr_aspa *dst, const net_addr_aspa *src) +{ memcpy(dst, src, sizeof(net_addr_aspa)); } + static inline u32 px4_hash(ip4_addr prefix, u32 pxlen) { return ip4_hash(prefix) ^ (pxlen << 26); } @@ -521,6 +556,9 @@ static inline u32 net_hash_ip6_sadr(const net_addr_ip6_sadr *n) static inline u32 net_hash_mpls(const net_addr_mpls *n) { return u32_hash(n->label); } +static inline u32 net_hash_aspa(const net_addr_aspa *n) +{ return u32_hash(n->asn); } + u32 net_hash(const net_addr *a); @@ -570,6 +608,9 @@ static inline int net_validate_flow6(const net_addr_flow6 *n) static inline int net_validate_mpls(const net_addr_mpls *n) { return n->label < (1 << 20); } +static inline int net_validate_aspa(const net_addr_aspa *n) +{ return n->asn > 0; } + 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); } diff --git a/nest/a-set.c b/nest/a-set.c index 40ed573c..e84d7058 100644 --- a/nest/a-set.c +++ b/nest/a-set.c @@ -34,7 +34,7 @@ * the buffer to indicate truncation. */ int -int_set_format(const struct adata *set, int way, int from, byte *buf, uint size) +int_set_format(const struct adata *set, enum isf_way way, int from, byte *buf, uint size) { u32 *z = (u32 *) set->data; byte *end = buf + size - 24; @@ -56,10 +56,18 @@ int_set_format(const struct adata *set, int way, int from, byte *buf, uint size) if (i > from2) *buf++ = ' '; - if (way) - buf += bsprintf(buf, "(%d,%d)", z[i] >> 16, z[i] & 0xffff); - else - buf += bsprintf(buf, "%R", z[i]); + switch (way) + { + case ISF_COMMUNITY_LIST: + buf += bsprintf(buf, "(%d,%d)", z[i] >> 16, z[i] & 0xffff); + break; + case ISF_ROUTER_ID: + buf += bsprintf(buf, "%R", z[i]); + break; + case ISF_NUMBERS: + buf += bsprintf(buf, "%u", z[i]); + break; + } } *buf = 0; return 0; diff --git a/nest/a-set_test.c b/nest/a-set_test.c index 904e6764..c52b1d49 100644 --- a/nest/a-set_test.c +++ b/nest/a-set_test.c @@ -92,11 +92,11 @@ t_set_int_union(void) const struct adata *set_union; set_union = int_set_union(tmp_linpool, set_sequence, set_sequence_same); bt_assert(int_set_get_size(set_union) == SET_SIZE); - bt_assert(int_set_format(set_union, 0, 2, buf, BUFFER_SIZE) == 0); + bt_assert(int_set_format(set_union, ISF_ROUTER_ID, 2, buf, BUFFER_SIZE) == 0); set_union = int_set_union(tmp_linpool, set_sequence, set_sequence_higher); bt_assert_msg(int_set_get_size(set_union) == SET_SIZE*2, "int_set_get_size(set_union) %d, SET_SIZE*2 %d", int_set_get_size(set_union), SET_SIZE*2); - bt_assert(int_set_format(set_union, 0, 2, buf, BUFFER_SIZE) == 0); + bt_assert(int_set_format(set_union, ISF_ROUTER_ID, 2, buf, BUFFER_SIZE) == 0); return 1; } @@ -106,17 +106,21 @@ t_set_int_format(void) { generate_set_sequence(SET_TYPE_INT, SET_SIZE_FOR_FORMAT_OUTPUT); - bt_assert(int_set_format(set_sequence, 0, 0, buf, BUFFER_SIZE) == 0); + bt_assert(int_set_format(set_sequence, ISF_ROUTER_ID, 0, buf, BUFFER_SIZE) == 0); bt_assert(strcmp(buf, "0.0.0.0 0.0.0.1 0.0.0.2 0.0.0.3 0.0.0.4 0.0.0.5 0.0.0.6 0.0.0.7 0.0.0.8 0.0.0.9") == 0); bzero(buf, BUFFER_SIZE); - bt_assert(int_set_format(set_sequence, 0, 2, buf, BUFFER_SIZE) == 0); + bt_assert(int_set_format(set_sequence, ISF_ROUTER_ID, 2, buf, BUFFER_SIZE) == 0); bt_assert(strcmp(buf, "0.0.0.2 0.0.0.3 0.0.0.4 0.0.0.5 0.0.0.6 0.0.0.7 0.0.0.8 0.0.0.9") == 0); bzero(buf, BUFFER_SIZE); - bt_assert(int_set_format(set_sequence, 1, 0, buf, BUFFER_SIZE) == 0); + bt_assert(int_set_format(set_sequence, ISF_COMMUNITY_LIST, 0, buf, BUFFER_SIZE) == 0); bt_assert(strcmp(buf, "(0,0) (0,1) (0,2) (0,3) (0,4) (0,5) (0,6) (0,7) (0,8) (0,9)") == 0); + bzero(buf, BUFFER_SIZE); + bt_assert(int_set_format(set_sequence, ISF_NUMBERS, 0, buf, BUFFER_SIZE) == 0); + bt_assert(strcmp(buf, "0 1 2 3 4 5 6 7 8 9") == 0); + return 1; } diff --git a/nest/attrs.h b/nest/attrs.h index aee3468b..8b13e7a4 100644 --- a/nest/attrs.h +++ b/nest/attrs.h @@ -206,8 +206,13 @@ static inline int lc_match(const u32 *l, int i, lcomm v) static inline u32 *lc_copy(u32 *dst, const u32 *src) { memcpy(dst, src, LCOMM_LENGTH); return dst + 3; } +enum isf_way { + ISF_NUMBERS, + ISF_COMMUNITY_LIST, + ISF_ROUTER_ID, +}; -int int_set_format(const struct adata *set, int way, int from, byte *buf, uint size); +int int_set_format(const struct adata *set, enum isf_way way, int from, byte *buf, uint size); int ec_format(byte *buf, u64 ec); int ec_set_format(const struct adata *set, int from, byte *buf, uint size); int lc_format(byte *buf, lcomm lc); diff --git a/nest/config.Y b/nest/config.Y index 20186ece..5d2f8d99 100644 --- a/nest/config.Y +++ b/nest/config.Y @@ -115,7 +115,7 @@ CF_DECLS CF_KEYWORDS(ROUTER, ID, HOSTNAME, PROTOCOL, TEMPLATE, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT) CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, VRF, DEFAULT, TABLE, TABLES, STATES, ROUTES, FILTERS) -CF_KEYWORDS(IPV4, IPV6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6, SADR, MPLS) +CF_KEYWORDS(IPV4, IPV6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6, SADR, MPLS, ASPA) CF_KEYWORDS(RECEIVE, LIMIT, ACTION, WARN, BLOCK, RESTART, DISABLE, KEEP, FILTERED, RPKI) CF_KEYWORDS(PASSWORD, KEY, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, CHANNELS, INTERFACES) CF_KEYWORDS(ALGORITHM, KEYED, HMAC, MD5, SHA1, SHA256, SHA384, SHA512, BLAKE2S128, BLAKE2S256, BLAKE2B256, BLAKE2B512) @@ -128,9 +128,10 @@ CF_KEYWORDS(MIN, IDLE, RX, TX, INTERVAL, MULTIPLIER, PASSIVE) CF_KEYWORDS(CHECK, LINK) CF_KEYWORDS(SORTED, TRIE, MIN, MAX, SETTLE, TIME, GC, THRESHOLD, PERIOD) CF_KEYWORDS(MPLS_LABEL, MPLS_POLICY, MPLS_CLASS) +CF_KEYWORDS(ASPA_PROVIDERS) /* For r_args_channel */ -CF_KEYWORDS(IPV4, IPV4_MC, IPV4_MPLS, IPV6, IPV6_MC, IPV6_MPLS, IPV6_SADR, VPN4, VPN4_MC, VPN4_MPLS, VPN6, VPN6_MC, VPN6_MPLS, ROA4, ROA6, FLOW4, FLOW6, MPLS, PRI, SEC) +CF_KEYWORDS(IPV4, IPV4_MC, IPV4_MPLS, IPV6, IPV6_MC, IPV6_MPLS, IPV6_SADR, VPN4, VPN4_MC, VPN4_MPLS, VPN6, VPN6_MC, VPN6_MPLS, ROA4, ROA6, FLOW4, FLOW6, MPLS, PRI, SEC, ASPA) CF_ENUM(T_ENUM_RTS, RTS_, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT, RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE, BABEL, RPKI, L3VPN, @@ -202,6 +203,7 @@ net_type_base: | ROA6 { $$ = NET_ROA6; } | FLOW4{ $$ = NET_FLOW4; } | FLOW6{ $$ = NET_FLOW6; } + | ASPA { $$ = NET_ASPA; } ; net_type: @@ -209,7 +211,7 @@ net_type: | MPLS { $$ = 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, ASPA) /* Creation of routing tables */ @@ -840,6 +842,7 @@ channel_sym: | FLOW4 { $$ = "flow4"; } | FLOW6 { $$ = "flow6"; } | MPLS { $$ = "mpls"; } + | ASPA { $$ = "aspa"; } | PRI { $$ = "pri"; } | SEC { $$ = "sec"; } ; @@ -972,6 +975,8 @@ proto_patt2: dynamic_attr: IGP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_GEN_IGP_METRIC); } ; +dynamic_attr: ASPA_PROVIDERS { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_ASPA_PROVIDERS); } ; + dynamic_attr: MPLS_LABEL { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_MPLS_LABEL); } ; dynamic_attr: MPLS_POLICY { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_MPLS_POLICY, EA_MPLS_POLICY); } ; dynamic_attr: MPLS_CLASS { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_MPLS_CLASS); } ; diff --git a/nest/route.h b/nest/route.h index 659783a8..9140b9e1 100644 --- a/nest/route.h +++ b/nest/route.h @@ -536,6 +536,7 @@ const char *ea_custom_name(uint ea); #define EA_MPLS_LABEL EA_CODE(PROTOCOL_NONE, 1) #define EA_MPLS_POLICY EA_CODE(PROTOCOL_NONE, 2) #define EA_MPLS_CLASS EA_CODE(PROTOCOL_NONE, 3) +#define EA_ASPA_PROVIDERS EA_CODE(PROTOCOL_NONE, 4) #define EA_CODE_MASK 0xffff #define EA_CUSTOM_BIT 0x8000 diff --git a/nest/rt-attr.c b/nest/rt-attr.c index c8ef8e08..09176632 100644 --- a/nest/rt-attr.c +++ b/nest/rt-attr.c @@ -823,8 +823,10 @@ ea_free(ea_list *o) } static int -get_generic_attr(const eattr *a, byte **buf, int buflen UNUSED) +get_generic_attr(const eattr *a, byte **buf, int buflen) { + byte *end = (*buf) + buflen; + switch (a->id) { case EA_GEN_IGP_METRIC: @@ -843,6 +845,13 @@ get_generic_attr(const eattr *a, byte **buf, int buflen UNUSED) *buf += bsprintf(*buf, "mpls_class"); return GA_NAME; + case EA_ASPA_PROVIDERS: + *buf += bsprintf(*buf, "aspa_providers"); + *(*buf)++ = ':'; + *(*buf)++ = ' '; + *buf += int_set_format(a->u.ptr, ISF_NUMBERS, -1, *buf, end - *buf); + return GA_FULL; + default: return GA_UNKNOWN; } @@ -1007,7 +1016,7 @@ ea_show(struct cli *c, const eattr *e) bsprintf(pos, "%08x", e->u.data); break; case EAF_TYPE_INT_SET: - ea_show_int_set(c, ad, 1, pos, buf, end); + ea_show_int_set(c, ad, ISF_COMMUNITY_LIST, pos, buf, end); return; case EAF_TYPE_EC_SET: ea_show_ec_set(c, ad, pos, buf, end); diff --git a/nest/rt-fib.c b/nest/rt-fib.c index 43e3039d..688d0b96 100644 --- a/nest/rt-fib.c +++ b/nest/rt-fib.c @@ -279,6 +279,7 @@ fib_find(struct fib *f, const net_addr *a) 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_ASPA: return FIB_FIND(f, a, aspa); default: bug("invalid type"); } } @@ -300,6 +301,7 @@ fib_insert(struct fib *f, const net_addr *a, struct fib_node *e) 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_ASPA: FIB_INSERT(f, a, e, aspa); return; default: bug("invalid type"); } } diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 85646647..5bd05fb2 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -690,7 +690,7 @@ static void bgp_format_cluster_list(const eattr *a, byte *buf, uint size) { /* Truncates cluster lists larger than buflen, probably not a problem */ - int_set_format(a->u.ptr, 0, -1, buf, size); + int_set_format(a->u.ptr, ISF_ROUTER_ID, -1, buf, size); } diff --git a/proto/static/config.Y b/proto/static/config.Y index f1825edf..58d22d3a 100644 --- a/proto/static/config.Y +++ b/proto/static/config.Y @@ -15,6 +15,7 @@ CF_DEFINES #define STATIC_CFG ((struct static_config *) this_proto) static struct static_route *this_srt, *this_snh; static struct f_inst *this_srt_cmds, *this_srt_last_cmd; +static uint this_srt_aspa_max; static struct static_route * static_nexthop_new(void) @@ -47,6 +48,7 @@ CF_DECLS CF_KEYWORDS(STATIC, ROUTE, VIA, DROP, REJECT, PROHIBIT, PREFERENCE, CHECK, LINK, DEV) CF_KEYWORDS(ONLINK, WEIGHT, RECURSIVE, IGP, TABLE, BLACKHOLE, UNREACHABLE, BFD, MPLS) +CF_KEYWORDS(TRANSIT, PROVIDERS) CF_GRAMMAR @@ -148,8 +150,35 @@ stat_route: | stat_route0 BLACKHOLE { this_srt->dest = RTD_BLACKHOLE; } | stat_route0 UNREACHABLE { this_srt->dest = RTD_UNREACHABLE; } | stat_route0 PROHIBIT { this_srt->dest = RTD_PROHIBIT; } + | stat_route0 PROVIDER { + if (this_srt->net->type != NET_ASPA) cf_error("Provider settings available only for ASPA"); + this_srt->aspa = cfg_alloc(sizeof (adata) + (this_srt_aspa_max = 8) * sizeof (u32)); + this_srt->aspa->length = 0; + } stat_aspa_providers + | stat_route0 TRANSIT { + if (this_srt->net->type != NET_ASPA) cf_error("Transit settings available only for ASPA"); + /* Allocate an explicit zero */ + this_srt->aspa = cfg_alloc(sizeof (adata) + sizeof (u32)); + this_srt->aspa->length = sizeof(u32); + ((u32 *) this_srt->aspa->data)[0] = 0; + } ; +stat_aspa_provider: NUM { + if (this_srt->aspa->length == this_srt_aspa_max * sizeof(u32)) + { + adata *new = cfg_alloc(sizeof (adata) + (this_srt_aspa_max * 2) * sizeof (u32)); + memcpy(new, this_srt->aspa, this_srt->aspa->length + sizeof(adata)); + this_srt->aspa = new; + this_srt_aspa_max *= 2; + } + + ((u32 *) this_srt->aspa->data)[this_srt->aspa->length / sizeof(u32)] = $1; + this_srt->aspa->length += sizeof(u32); +} + +stat_aspa_providers: stat_aspa_provider | stat_aspa_providers ',' stat_aspa_provider ; + stat_route_item: cmd { if (this_srt_last_cmd) diff --git a/proto/static/static.c b/proto/static/static.c index 071803a8..661d04aa 100644 --- a/proto/static/static.c +++ b/proto/static/static.c @@ -99,6 +99,32 @@ static_announce_rte(struct static_proto *p, struct static_route *r) rta_set_recursive_next_hop(p->p.main_channel->table, a, tab, r->via, IPA_NONE, r->mls); } + if (r->net->type == NET_ASPA) + { + if (r->dest != RTD_NONE) + { + log(L_WARN "%s: ASPA %u configured with nexthop, ignoring the nexthop", + p->p.name, ((struct net_addr_aspa *) r->net)->asn); + r->dest = RTD_NONE; + } + + if (!r->aspa) + { + log(L_WARN "%s: ASPA %u configured with no provider list, ignoring the whole rule", + p->p.name, ((struct net_addr_aspa *) r->net)->asn); + goto withdraw; + } + + ea_list *ea = alloca(sizeof(ea_list) + sizeof(eattr)); + *ea = (ea_list) { .flags = EALF_SORTED, .count = 1, .next = a->eattrs, }; + ea->attrs[0] = (eattr) { + .id = EA_ASPA_PROVIDERS, + .type = EAF_TYPE_INT_SET, + .u.ptr = r->aspa, + }; + a->eattrs = ea; + } + if (p->p.mpls_channel) { struct mpls_channel *mc = (void *) p->p.mpls_channel; diff --git a/proto/static/static.h b/proto/static/static.h index a0a95a4b..edd2dc22 100644 --- a/proto/static/static.h +++ b/proto/static/static.h @@ -50,7 +50,10 @@ struct static_route { byte use_bfd; /* Configured to use BFD */ uint mpls_label; /* Local MPLS label, -1 if unused */ struct bfd_request *bfd_req; /* BFD request, if BFD is used */ - mpls_label_stack *mls; /* MPLS label stack; may be NULL */ + union { + mpls_label_stack *mls; /* MPLS label stack; may be NULL */ + adata *aspa; /* ASPA provider list; may be NULL */ + }; }; /* |