diff options
author | 2021-02-17 14:34:54 +0100 | |
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committer | 2021-02-24 19:25:25 +0000 | |
commit | 0eaf4e6784efb2d058fe2f031578251b6bcc0aa8 (patch) | |
tree | cc0c2b485bfee51068fa4970acc9f95ec595e8e5 /src/plugins/nat/nat_format.c | |
parent | 5db2f4a4312112ab57043ce88f10edc4acc141ec (diff) |
nat: Final NAT44 EI/ED split patch
This patch achieves complete separation of
endpoint-dependent and endpoint-independent IPv4 NAT
features. Some common stuff is also moved to NAT
library.
Type: refactor
Change-Id: I52468b7e2b5ac28958a2baf8e2ea01787322e801
Signed-off-by: Filip Varga <fivarga@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat_format.c')
-rw-r--r-- | src/plugins/nat/nat_format.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/src/plugins/nat/nat_format.c b/src/plugins/nat/nat_format.c deleted file mode 100644 index 2fbd7498f49..00000000000 --- a/src/plugins/nat/nat_format.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * 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/nat.h> -#include <nat/nat_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_user (u8 * s, va_list * args) -{ - snat_main_per_thread_data_t *tsm = - va_arg (*args, snat_main_per_thread_data_t *); - snat_user_t *u = va_arg (*args, snat_user_t *); - int verbose = va_arg (*args, int); - dlist_elt_t *head, *elt; - u32 elt_index, head_index; - u32 session_index; - snat_session_t *sess; - - s = format (s, "%U: %d dynamic translations, %d static translations\n", - format_ip4_address, &u->addr, u->nsessions, u->nstaticsessions); - - if (verbose == 0) - return s; - - if (u->nsessions || u->nstaticsessions) - { - head_index = u->sessions_per_user_list_head_index; - head = pool_elt_at_index (tsm->list_pool, head_index); - - elt_index = head->next; - elt = pool_elt_at_index (tsm->list_pool, elt_index); - session_index = elt->value; - - while (session_index != ~0) - { - sess = pool_elt_at_index (tsm->sessions, session_index); - - s = format (s, " %U\n", format_snat_session, tsm, sess); - - elt_index = elt->next; - elt = pool_elt_at_index (tsm->list_pool, elt_index); - session_index = elt->value; - } - } - - 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: - */ |