diff options
Diffstat (limited to 'src/plugins/nat/nat44-ed/nat44_ed_format.c')
-rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed_format.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed_format.c b/src/plugins/nat/nat44-ed/nat44_ed_format.c new file mode 100644 index 00000000000..29fd1129f32 --- /dev/null +++ b/src/plugins/nat/nat44-ed/nat44_ed_format.c @@ -0,0 +1,277 @@ +/* + * Copyright (c) 2018 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/** + * @file + * @brief NAT formatting + */ + +#include <nat/nat44-ed/nat44_ed.h> +#include <nat/nat44-ed/nat44_ed_inlines.h> + +uword +unformat_nat_protocol (unformat_input_t * input, va_list * args) +{ + u32 *r = va_arg (*args, u32 *); + + if (0); +#define _(N, i, n, s) else if (unformat (input, s)) *r = NAT_PROTOCOL_##N; + foreach_nat_protocol +#undef _ + else + return 0; + return 1; +} + +u8 * +format_nat_protocol (u8 * s, va_list * args) +{ + u32 i = va_arg (*args, u32); + u8 *t = 0; + + switch (i) + { +#define _(N, j, n, str) case NAT_PROTOCOL_##N: t = (u8 *) str; break; + foreach_nat_protocol +#undef _ + default: + s = format (s, "unknown"); + return s; + } + s = format (s, "%s", t); + return s; +} + +u8 * +format_nat_addr_and_port_alloc_alg (u8 * s, va_list * args) +{ + u32 i = va_arg (*args, u32); + u8 *t = 0; + + switch (i) + { +#define _(v, N, s) case NAT_ADDR_AND_PORT_ALLOC_ALG_##N: t = (u8 *) s; break; + foreach_nat_addr_and_port_alloc_alg +#undef _ + default: + s = format (s, "unknown"); + return s; + } + s = format (s, "%s", t); + return s; +} + +u8 * +format_snat_key (u8 * s, va_list * args) +{ + u64 key = va_arg (*args, u64); + + ip4_address_t addr; + u16 port; + nat_protocol_t protocol; + u32 fib_index; + + split_nat_key (key, &addr, &port, &fib_index, &protocol); + + s = format (s, "%U proto %U port %d fib %d", + format_ip4_address, &addr, + format_nat_protocol, protocol, + clib_net_to_host_u16 (port), fib_index); + return s; +} + +u8 * +format_snat_session_state (u8 * s, va_list * args) +{ + u32 i = va_arg (*args, u32); + u8 *t = 0; + + switch (i) + { +#define _(v, N, str) case SNAT_SESSION_##N: t = (u8 *) str; break; + foreach_snat_session_state +#undef _ + default: + t = format (t, "unknown"); + } + s = format (s, "%s", t); + return s; +} + +u8 * +format_snat_session (u8 * s, va_list * args) +{ + snat_main_per_thread_data_t *tsm = + va_arg (*args, snat_main_per_thread_data_t *); + snat_session_t *sess = va_arg (*args, snat_session_t *); + + if (snat_is_unk_proto_session (sess)) + { + s = format (s, " i2o %U proto %u fib %u\n", + format_ip4_address, &sess->in2out.addr, + sess->in2out.port, sess->in2out.fib_index); + s = + format (s, " o2i %U proto %u fib %u\n", format_ip4_address, + &sess->out2in.addr, sess->out2in.port, sess->out2in.fib_index); + } + else + { + s = format (s, " i2o %U proto %U port %d fib %d\n", + format_ip4_address, &sess->in2out.addr, + format_nat_protocol, sess->nat_proto, + clib_net_to_host_u16 (sess->in2out.port), + sess->in2out.fib_index); + s = format (s, " o2i %U proto %U port %d fib %d\n", + format_ip4_address, &sess->out2in.addr, format_nat_protocol, + sess->nat_proto, clib_net_to_host_u16 (sess->out2in.port), + sess->out2in.fib_index); + } + if (is_ed_session (sess) || is_fwd_bypass_session (sess)) + { + if (is_twice_nat_session (sess)) + { + s = format (s, " external host o2i %U:%d i2o %U:%d\n", + format_ip4_address, &sess->ext_host_addr, + clib_net_to_host_u16 (sess->ext_host_port), + format_ip4_address, &sess->ext_host_nat_addr, + clib_net_to_host_u16 (sess->ext_host_nat_port)); + } + else + { + if (sess->ext_host_addr.as_u32) + s = format (s, " external host %U:%u\n", + format_ip4_address, &sess->ext_host_addr, + clib_net_to_host_u16 (sess->ext_host_port)); + } + s = format (s, " i2o flow: %U\n", format_nat_6t_flow, &sess->i2o); + s = format (s, " o2i flow: %U\n", format_nat_6t_flow, &sess->o2i); + } + s = format (s, " index %llu\n", sess - tsm->sessions); + s = format (s, " last heard %.2f\n", sess->last_heard); + s = format (s, " total pkts %d, total bytes %lld\n", + sess->total_pkts, sess->total_bytes); + if (snat_is_session_static (sess)) + s = format (s, " static translation\n"); + else + s = format (s, " dynamic translation\n"); + if (is_fwd_bypass_session (sess)) + s = format (s, " forwarding-bypass\n"); + if (is_lb_session (sess)) + s = format (s, " load-balancing\n"); + if (is_twice_nat_session (sess)) + s = format (s, " twice-nat\n"); + return s; +} + +u8 * +format_snat_static_mapping (u8 * s, va_list * args) +{ + snat_static_mapping_t *m = va_arg (*args, snat_static_mapping_t *); + nat44_lb_addr_port_t *local; + + if (is_identity_static_mapping (m)) + { + if (is_addr_only_static_mapping (m)) + s = format (s, "identity mapping %U", + format_ip4_address, &m->local_addr); + else + s = format (s, "identity mapping %U %U:%d", + format_nat_protocol, m->proto, + format_ip4_address, &m->local_addr, + clib_net_to_host_u16 (m->local_port)); + + /* *INDENT-OFF* */ + pool_foreach (local, m->locals) + { + s = format (s, " vrf %d", local->vrf_id); + } + /* *INDENT-ON* */ + + return s; + } + + if (is_addr_only_static_mapping (m)) + s = format (s, "local %U external %U vrf %d %s %s", + format_ip4_address, &m->local_addr, + format_ip4_address, &m->external_addr, + m->vrf_id, + m->twice_nat == TWICE_NAT ? "twice-nat" : + m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "", + is_out2in_only_static_mapping (m) ? "out2in-only" : ""); + else + { + if (is_lb_static_mapping (m)) + { + s = format (s, "%U external %U:%d %s %s", + format_nat_protocol, m->proto, + format_ip4_address, &m->external_addr, + clib_net_to_host_u16 (m->external_port), + m->twice_nat == TWICE_NAT ? "twice-nat" : + m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "", + is_out2in_only_static_mapping (m) ? "out2in-only" : ""); + + /* *INDENT-OFF* */ + pool_foreach (local, m->locals) + { + s = format (s, "\n local %U:%d vrf %d probability %d\%", + format_ip4_address, &local->addr, + clib_net_to_host_u16 (local->port), + local->vrf_id, local->probability); + } + /* *INDENT-ON* */ + + } + else + s = format (s, "%U local %U:%d external %U:%d vrf %d %s %s", + format_nat_protocol, m->proto, + format_ip4_address, &m->local_addr, + clib_net_to_host_u16 (m->local_port), + format_ip4_address, &m->external_addr, + clib_net_to_host_u16 (m->external_port), + m->vrf_id, + m->twice_nat == TWICE_NAT ? "twice-nat" : + m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "", + is_out2in_only_static_mapping (m) ? "out2in-only" : ""); + } + return s; +} + +u8 * +format_snat_static_map_to_resolve (u8 * s, va_list * args) +{ + snat_static_map_resolve_t *m = va_arg (*args, snat_static_map_resolve_t *); + vnet_main_t *vnm = vnet_get_main (); + + if (m->addr_only) + s = format (s, "local %U external %U vrf %d", + format_ip4_address, &m->l_addr, + format_vnet_sw_if_index_name, vnm, m->sw_if_index, m->vrf_id); + else + s = format (s, "%U local %U:%d external %U:%d vrf %d", + format_nat_protocol, m->proto, + format_ip4_address, &m->l_addr, + clib_net_to_host_u16 (m->l_port), + format_vnet_sw_if_index_name, vnm, m->sw_if_index, + clib_net_to_host_u16 (m->e_port), m->vrf_id); + + return s; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |