diff options
Diffstat (limited to 'lib/zclient.c')
| -rw-r--r-- | lib/zclient.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/zclient.c b/lib/zclient.c index f809704f86..92a495ac61 100644 --- a/lib/zclient.c +++ b/lib/zclient.c @@ -2451,6 +2451,143 @@ int tm_release_table_chunk(struct zclient *zclient, uint32_t start, return zclient_send_message(zclient); } +int zebra_send_mpls_labels(struct zclient *zclient, int cmd, + struct zapi_labels *zl) +{ + if (zapi_labels_encode(zclient->obuf, cmd, zl) < 0) + return -1; + return zclient_send_message(zclient); +} + +int zapi_labels_encode(struct stream *s, int cmd, struct zapi_labels *zl) +{ + struct zapi_nexthop_label *znh; + + stream_reset(s); + + zclient_create_header(s, cmd, VRF_DEFAULT); + stream_putc(s, zl->message); + stream_putc(s, zl->type); + stream_putl(s, zl->local_label); + + if (CHECK_FLAG(zl->message, ZAPI_LABELS_FTN)) { + stream_putw(s, zl->route.prefix.family); + stream_put_prefix(s, &zl->route.prefix); + stream_putc(s, zl->route.type); + stream_putw(s, zl->route.instance); + } + + if (zl->nexthop_num > MULTIPATH_NUM) { + flog_err( + EC_LIB_ZAPI_ENCODE, + "%s: label %u: can't encode %u nexthops (maximum is %u)", + __func__, zl->local_label, zl->nexthop_num, + MULTIPATH_NUM); + return -1; + } + stream_putw(s, zl->nexthop_num); + + for (int i = 0; i < zl->nexthop_num; i++) { + znh = &zl->nexthops[i]; + + stream_putc(s, znh->type); + stream_putw(s, znh->family); + switch (znh->family) { + case AF_INET: + stream_put_in_addr(s, &znh->address.ipv4); + break; + case AF_INET6: + stream_write(s, (uint8_t *)&znh->address.ipv6, 16); + break; + default: + break; + } + stream_putl(s, znh->ifindex); + stream_putl(s, znh->label); + } + + /* Put length at the first point of the stream. */ + stream_putw_at(s, 0, stream_get_endp(s)); + + return 0; +} + +int zapi_labels_decode(struct stream *s, struct zapi_labels *zl) +{ + struct zapi_nexthop_label *znh; + + memset(zl, 0, sizeof(*zl)); + + /* Get data. */ + STREAM_GETC(s, zl->message); + STREAM_GETC(s, zl->type); + STREAM_GETL(s, zl->local_label); + + if (CHECK_FLAG(zl->message, ZAPI_LABELS_FTN)) { + size_t psize; + + STREAM_GETW(s, zl->route.prefix.family); + STREAM_GETC(s, zl->route.prefix.prefixlen); + + psize = PSIZE(zl->route.prefix.prefixlen); + switch (zl->route.prefix.family) { + case AF_INET: + if (zl->route.prefix.prefixlen > IPV4_MAX_BITLEN) { + zlog_debug( + "%s: Specified prefix length %d is greater than a v4 address can support", + __PRETTY_FUNCTION__, + zl->route.prefix.prefixlen); + return -1; + } + STREAM_GET(&zl->route.prefix.u.prefix4.s_addr, s, + psize); + break; + case AF_INET6: + if (zl->route.prefix.prefixlen > IPV6_MAX_BITLEN) { + zlog_debug( + "%s: Specified prefix length %d is greater than a v6 address can support", + __PRETTY_FUNCTION__, + zl->route.prefix.prefixlen); + return -1; + } + STREAM_GET(&zl->route.prefix.u.prefix6, s, psize); + break; + default: + flog_err(EC_LIB_ZAPI_ENCODE, + "%s: Specified family %u is not v4 or v6", + __PRETTY_FUNCTION__, zl->route.prefix.family); + return -1; + } + + STREAM_GETC(s, zl->route.type); + STREAM_GETW(s, zl->route.instance); + } + + STREAM_GETW(s, zl->nexthop_num); + for (int i = 0; i < zl->nexthop_num; i++) { + znh = &zl->nexthops[i]; + + STREAM_GETC(s, znh->type); + STREAM_GETW(s, znh->family); + switch (znh->family) { + case AF_INET: + STREAM_GET(&znh->address.ipv4.s_addr, s, + IPV4_MAX_BYTELEN); + break; + case AF_INET6: + STREAM_GET(&znh->address.ipv6, s, 16); + break; + default: + break; + } + STREAM_GETL(s, znh->ifindex); + STREAM_GETL(s, znh->label); + } + + return 0; +stream_failure: + return -1; +} int zebra_send_pw(struct zclient *zclient, int command, struct zapi_pw *pw) { |