diff options
Diffstat (limited to 'src/plugins/nat')
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed.c | 806 | ||||
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed.h | 40 | ||||
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed_api.c | 93 | ||||
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed_cli.c | 47 | ||||
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed_format.c | 3 | ||||
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed_in2out.c | 2 |
6 files changed, 436 insertions, 555 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed.c b/src/plugins/nat/nat44-ed/nat44_ed.c index 7907d8ffa6b..d3ef3d54f89 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed.c +++ b/src/plugins/nat/nat44-ed/nat44_ed.c @@ -185,9 +185,11 @@ static int nat44_ed_add_static_mapping_internal ( ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, u32 flags, ip4_address_t pool_addr, u8 *tag); -static int nat44_ed_del_static_mapping_internal ( - ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, - ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, u32 flags); +static int nat44_ed_del_static_mapping_internal (ip4_address_t l_addr, + ip4_address_t e_addr, + u16 l_port, u16 e_port, + ip_protocol_t proto, + u32 vrf_id, u32 flags); u32 nat_calc_bihash_buckets (u32 n_elts); @@ -290,25 +292,6 @@ nat44_ed_free_session_data (snat_main_t *sm, snat_session_t *s, } } -static int -is_snat_address_used_in_static_mapping (snat_main_t *sm, ip4_address_t addr) -{ - snat_static_mapping_t *m; - pool_foreach (m, sm->static_mappings) - { - if (is_sm_addr_only (m->flags) || is_sm_out2in_only (m->flags) || - is_sm_identity_nat (m->flags)) - { - continue; - } - if (m->external_addr.as_u32 == addr.as_u32) - { - return 1; - } - } - return 0; -} - static ip_interface_address_t * nat44_ed_get_ip_interface_address (u32 sw_if_index, ip4_address_t addr) { @@ -415,41 +398,91 @@ nat44_ed_bind_if_addr_to_nat_addr (u32 sw_if_index) } } +static_always_inline snat_fib_entry_reg_t * +nat44_ed_get_fib_entry_reg (ip4_address_t addr, u32 sw_if_index, int *out_idx) +{ + snat_main_t *sm = &snat_main; + snat_fib_entry_reg_t *fe; + int i; + + for (i = 0; i < vec_len (sm->fib_entry_reg); i++) + { + fe = sm->fib_entry_reg + i; + if ((addr.as_u32 == fe->addr.as_u32) && (sw_if_index == fe->sw_if_index)) + { + if (out_idx) + { + *out_idx = i; + } + return fe; + } + } + return NULL; +} + static void -nat44_ed_add_del_addr_to_fib (ip4_address_t *addr, u8 p_len, u32 sw_if_index, - int is_add) +nat44_ed_add_fib_entry_reg (ip4_address_t addr, u32 sw_if_index) { // Add the external NAT address to the FIB as receive entries. This ensures // that VPP will reply to ARP for this address and we don't need to enable // proxy ARP on the outside interface. - snat_main_t *sm = &snat_main; - fib_prefix_t prefix = { - .fp_len = p_len, - .fp_proto = FIB_PROTOCOL_IP4, - .fp_addr = { - .ip4.as_u32 = addr->as_u32, - }, - }; - u32 fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index); + snat_fib_entry_reg_t *fe; - if (is_add) + if (!(fe = nat44_ed_get_fib_entry_reg (addr, sw_if_index, 0))) { + fib_prefix_t prefix = { + .fp_len = 32, + .fp_proto = FIB_PROTOCOL_IP4, + .fp_addr = { + .ip4.as_u32 = addr.as_u32, + }, + }; + u32 fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index); fib_table_entry_update_one_path (fib_index, &prefix, sm->fib_src_low, (FIB_ENTRY_FLAG_CONNECTED | FIB_ENTRY_FLAG_LOCAL | FIB_ENTRY_FLAG_EXCLUSIVE), DPO_PROTO_IP4, NULL, sw_if_index, ~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE); + + vec_add2 (sm->fib_entry_reg, fe, 1); + clib_memset (fe, 0, sizeof (*fe)); + fe->addr.as_u32 = addr.as_u32; + fe->sw_if_index = sw_if_index; } - else + fe->count++; +} + +static void +nat44_ed_del_fib_entry_reg (ip4_address_t addr, u32 sw_if_index) +{ + snat_main_t *sm = &snat_main; + snat_fib_entry_reg_t *fe; + int i; + + if ((fe = nat44_ed_get_fib_entry_reg (addr, sw_if_index, &i))) { - fib_table_entry_delete (fib_index, &prefix, sm->fib_src_low); + fe->count--; + if (0 == fe->count) + { + fib_prefix_t prefix = { + .fp_len = 32, + .fp_proto = FIB_PROTOCOL_IP4, + .fp_addr = { + .ip4.as_u32 = addr.as_u32, + }, + }; + u32 fib_index = + ip4_fib_table_get_index_for_sw_if_index (sw_if_index); + fib_table_entry_delete (fib_index, &prefix, sm->fib_src_low); + vec_del1 (sm->fib_entry_reg, i); + } } } static void -nat44_ed_add_del_addr_to_fib_foreach_out_if (ip4_address_t *addr, u8 is_add) +nat44_ed_add_del_interface_fib_reg_entries (ip4_address_t addr, u8 is_add) { snat_main_t *sm = &snat_main; snat_interface_t *i; @@ -458,42 +491,66 @@ nat44_ed_add_del_addr_to_fib_foreach_out_if (ip4_address_t *addr, u8 is_add) { if (nat44_ed_is_interface_outside (i)) { - nat44_ed_add_del_addr_to_fib (addr, 32, i->sw_if_index, is_add); + if (is_add) + { + nat44_ed_add_fib_entry_reg (addr, i->sw_if_index); + } + else + { + nat44_ed_del_fib_entry_reg (addr, i->sw_if_index); + } } } pool_foreach (i, sm->output_feature_interfaces) { if (nat44_ed_is_interface_outside (i)) { - nat44_ed_add_del_addr_to_fib (addr, 32, i->sw_if_index, is_add); + if (is_add) + { + nat44_ed_add_fib_entry_reg (addr, i->sw_if_index); + } + else + { + nat44_ed_del_fib_entry_reg (addr, i->sw_if_index); + } } } } static_always_inline void -nat44_ed_add_del_addr_to_fib_foreach_addr (u32 sw_if_index, u8 is_add) +nat44_ed_add_del_nat_addr_fib_reg_entries (u32 sw_if_index, u8 is_add) { snat_main_t *sm = &snat_main; snat_address_t *ap; vec_foreach (ap, sm->addresses) { - nat44_ed_add_del_addr_to_fib (&ap->addr, 32, sw_if_index, is_add); + if (is_add) + { + nat44_ed_add_fib_entry_reg (ap->addr, sw_if_index); + } + else + { + nat44_ed_del_fib_entry_reg (ap->addr, sw_if_index); + } } } static_always_inline void -nat44_ed_add_del_addr_to_fib_foreach_addr_only_sm (u32 sw_if_index, u8 is_add) +nat44_ed_add_del_sm_fib_reg_entries (u32 sw_if_index, u8 is_add) { snat_main_t *sm = &snat_main; snat_static_mapping_t *m; pool_foreach (m, sm->static_mappings) { - if (is_sm_addr_only (m->flags) && !is_sm_identity_nat (m->flags)) + if (is_add) { - nat44_ed_add_del_addr_to_fib (&m->external_addr, 32, sw_if_index, - is_add); + nat44_ed_add_fib_entry_reg (m->external_addr, sw_if_index); + } + else + { + nat44_ed_del_fib_entry_reg (m->external_addr, sw_if_index); } } } @@ -544,21 +601,20 @@ nat44_ed_add_address (ip4_address_t *addr, u32 vrf_id, u8 twice_nat) { // if we don't have enabled interface we don't add address // to fib - nat44_ed_add_del_addr_to_fib_foreach_out_if (addr, 1); + nat44_ed_add_del_interface_fib_reg_entries (*addr, 1); nat44_ed_update_outside_if_addresses (ap); } return 0; } int -nat44_ed_del_address (ip4_address_t addr, u8 delete_sm, u8 twice_nat) +nat44_ed_del_address (ip4_address_t addr, u8 twice_nat) { snat_main_t *sm = &snat_main; snat_address_t *a = 0, *addresses; snat_session_t *ses; u32 *ses_to_be_removed = 0, *ses_index; snat_main_per_thread_data_t *tsm; - snat_static_mapping_t *m; int j; addresses = twice_nat ? sm->twice_nat_addresses : sm->addresses; @@ -577,33 +633,15 @@ nat44_ed_del_address (ip4_address_t addr, u8 delete_sm, u8 twice_nat) return VNET_API_ERROR_NO_SUCH_ENTRY; } - if (delete_sm) - { - pool_foreach (m, sm->static_mappings) - { - if (m->external_addr.as_u32 == addr.as_u32) - { - nat44_ed_del_static_mapping_internal ( - m->local_addr, m->external_addr, m->local_port, - m->external_port, ip_proto_to_nat_proto (m->proto), m->vrf_id, - ~0, m->flags); - } - } - } - else - { - if (is_snat_address_used_in_static_mapping (sm, addr)) - { - nat_log_err ("address used in static mapping"); - return VNET_API_ERROR_UNSPECIFIED; - } - } - - // delete sessions using address + // delete dynamic sessions only vec_foreach (tsm, sm->per_thread_data) { pool_foreach (ses, tsm->sessions) { + if (ses->flags & SNAT_SESSION_FLAG_STATIC_MAPPING) + { + continue; + } if (ses->out2in.addr.as_u32 == addr.as_u32) { nat44_ed_free_session_data (sm, ses, tsm - sm->per_thread_data, @@ -621,7 +659,7 @@ nat44_ed_del_address (ip4_address_t addr, u8 delete_sm, u8 twice_nat) if (!twice_nat) { - nat44_ed_add_del_addr_to_fib_foreach_out_if (&addr, 0); + nat44_ed_add_del_interface_fib_reg_entries (addr, 0); } if (a->fib_index != ~0) @@ -730,38 +768,18 @@ nat44_ed_sm_i2o_lookup (snat_main_t *sm, ip4_address_t addr, u16 port, return nat44_ed_sm_lookup (sm, &kv); } -void -nat44_ed_add_resolve_record (ip4_address_t l_addr, u16 l_port, u16 e_port, - ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, - u32 flags, ip4_address_t pool_addr, u8 *tag) -{ - snat_static_map_resolve_t *rp; - snat_main_t *sm = &snat_main; - - vec_add2 (sm->to_resolve, rp, 1); - rp->l_addr.as_u32 = l_addr.as_u32; - rp->l_port = l_port; - rp->e_port = e_port; - rp->sw_if_index = sw_if_index; - rp->vrf_id = vrf_id; - rp->proto = proto; - rp->flags = flags; - rp->pool_addr = pool_addr; - rp->tag = vec_dup (tag); -} - -int +static snat_static_mapping_resolve_t * nat44_ed_get_resolve_record (ip4_address_t l_addr, u16 l_port, u16 e_port, ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, - u32 flags, int *out) + u32 flags, int *out_idx) { - snat_static_map_resolve_t *rp; + snat_static_mapping_resolve_t *rp; snat_main_t *sm = &snat_main; int i; - for (i = 0; i < vec_len (sm->to_resolve); i++) + for (i = 0; i < vec_len (sm->sm_to_resolve); i++) { - rp = sm->to_resolve + i; + rp = sm->sm_to_resolve + i; if (rp->sw_if_index == sw_if_index && rp->vrf_id == vrf_id) { @@ -790,27 +808,27 @@ nat44_ed_get_resolve_record (ip4_address_t l_addr, u16 l_port, u16 e_port, { continue; } - if (out) + if (out_idx) { - *out = i; + *out_idx = i; } - return 0; + return rp; } } - return 1; + return NULL; } -int +static int nat44_ed_del_resolve_record (ip4_address_t l_addr, u16 l_port, u16 e_port, ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, u32 flags) { snat_main_t *sm = &snat_main; int i; - if (!nat44_ed_get_resolve_record (l_addr, l_port, e_port, proto, vrf_id, - sw_if_index, flags, &i)) + if (nat44_ed_get_resolve_record (l_addr, l_port, e_port, proto, vrf_id, + sw_if_index, flags, &i)) { - vec_del1 (sm->to_resolve, i); + vec_del1 (sm->sm_to_resolve, i); return 0; } return 1; @@ -835,50 +853,69 @@ nat44_ed_validate_sm_input (u32 flags) return 0; } -snat_address_t * -nat44_ed_addr_lookup (snat_main_t *sm, u32 addr) -{ - for (int i = 0; i < vec_len (sm->addresses); ++i) - { - if (sm->addresses[i].addr.as_u32 == addr) - return &sm->addresses[i]; - } - return NULL; -} - int nat44_ed_add_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, u32 flags, ip4_address_t pool_addr, u8 *tag) { + snat_static_mapping_resolve_t *rp; snat_main_t *sm = &snat_main; + int rv; + + if (!sm->enabled) + { + return VNET_API_ERROR_UNSUPPORTED; + } + + rv = nat44_ed_validate_sm_input (flags); + if (rv != 0) + { + return rv; + } // interface bound mapping if (is_sm_switch_address (flags)) { - if (!nat44_ed_get_resolve_record (l_addr, l_port, e_port, proto, vrf_id, - sw_if_index, flags, 0)) + if (nat44_ed_get_resolve_record (l_addr, l_port, e_port, proto, vrf_id, + sw_if_index, flags, 0)) { return VNET_API_ERROR_VALUE_EXIST; } - nat44_ed_add_resolve_record (l_addr, l_port, e_port, proto, vrf_id, - sw_if_index, flags, pool_addr, tag); + vec_add2 (sm->sm_to_resolve, rp, 1); + rp->l_addr.as_u32 = l_addr.as_u32; + rp->l_port = l_port; + rp->e_port = e_port; + rp->sw_if_index = sw_if_index; + rp->vrf_id = vrf_id; + rp->proto = proto; + rp->flags = flags; + rp->pool_addr = pool_addr; + rp->tag = vec_dup (tag); + rp->is_resolved = 0; + ip4_address_t *first_int_addr = ip4_interface_first_address (sm->ip4_main, sw_if_index, 0); if (!first_int_addr) { - // dhcp resolution required return 0; } e_addr.as_u32 = first_int_addr->as_u32; + rp->is_resolved = 1; + } + + rv = nat44_ed_add_static_mapping_internal (l_addr, e_addr, l_port, e_port, + proto, vrf_id, sw_if_index, flags, + pool_addr, tag); + if ((0 != rv) && is_sm_switch_address (flags)) + { + nat44_ed_del_resolve_record (l_addr, l_port, e_port, proto, vrf_id, + sw_if_index, flags); } - return nat44_ed_add_static_mapping_internal (l_addr, e_addr, l_port, e_port, - proto, vrf_id, sw_if_index, - flags, pool_addr, tag); + return rv; } int @@ -886,8 +923,19 @@ nat44_ed_del_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, ip_protocol_t proto, u32 vrf_id, u32 sw_if_index, u32 flags) { - snat_main_t *sm = &snat_main; + int rv; + + if (!sm->enabled) + { + return VNET_API_ERROR_UNSUPPORTED; + } + + rv = nat44_ed_validate_sm_input (flags); + if (rv != 0) + { + return rv; + } // interface bound mapping if (is_sm_switch_address (flags)) @@ -909,8 +957,8 @@ nat44_ed_del_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, e_addr.as_u32 = first_int_addr->as_u32; } - return nat44_ed_del_static_mapping_internal ( - l_addr, e_addr, l_port, e_port, proto, vrf_id, sw_if_index, flags); + return nat44_ed_del_static_mapping_internal (l_addr, e_addr, l_port, e_port, + proto, vrf_id, flags); } static int @@ -924,18 +972,6 @@ nat44_ed_add_static_mapping_internal (ip4_address_t l_addr, nat44_lb_addr_port_t *local; snat_static_mapping_t *m; u32 fib_index = ~0; - int rv; - - if (!sm->enabled) - { - return VNET_API_ERROR_UNSUPPORTED; - } - - rv = nat44_ed_validate_sm_input (flags); - if (rv != 0) - { - return rv; - } if (is_sm_addr_only (flags)) { @@ -951,13 +987,14 @@ nat44_ed_add_static_mapping_internal (ip4_address_t l_addr, m = nat44_ed_sm_o2i_lookup (sm, e_addr, e_port, 0, proto); if (m) { + // case: + // adding local identity nat record for different vrf table + if (!is_sm_identity_nat (m->flags)) { return VNET_API_ERROR_VALUE_EXIST; } - // case: - // adding local identity nat record for different vrf table pool_foreach (local, m->locals) { if (local->vrf_id == vrf_id) @@ -1001,21 +1038,6 @@ nat44_ed_add_static_mapping_internal (ip4_address_t l_addr, } } - if (!(is_sm_out2in_only (flags) || is_sm_addr_only (flags) || - sm->static_mapping_only)) - { - if (!nat44_ed_addr_lookup (sm, e_addr.as_u32)) - { - // remove resolve record - if (is_sm_switch_address (flags) && !is_sm_identity_nat (flags)) - { - nat44_ed_del_resolve_record (l_addr, l_port, e_port, proto, - vrf_id, sw_if_index, flags); - } - return VNET_API_ERROR_NO_SUCH_ENTRY; - } - } - pool_get (sm->static_mappings, m); clib_memset (m, 0, sizeof (*m)); @@ -1023,13 +1045,9 @@ nat44_ed_add_static_mapping_internal (ip4_address_t l_addr, m->local_addr = l_addr; m->external_addr = e_addr; + m->pool_addr = pool_addr; m->tag = vec_dup (tag); - if (is_sm_exact_address (flags) && is_sm_twice_nat (flags)) - { - m->pool_addr = pool_addr; - } - if (!is_sm_addr_only (flags)) { m->local_port = l_port; @@ -1048,12 +1066,6 @@ nat44_ed_add_static_mapping_internal (ip4_address_t l_addr, { m->vrf_id = vrf_id; m->fib_index = fib_index; - - // not identity && addr only - if (is_sm_addr_only (flags)) - { - nat44_ed_add_del_addr_to_fib_foreach_out_if (&e_addr, 1); - } } if (!is_sm_out2in_only (flags)) @@ -1076,6 +1088,8 @@ nat44_ed_add_static_mapping_internal (ip4_address_t l_addr, vec_add1 (m->workers, worker_index); } + nat44_ed_add_del_interface_fib_reg_entries (e_addr, 1); + return 0; } @@ -1083,7 +1097,7 @@ static int nat44_ed_del_static_mapping_internal (ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, ip_protocol_t proto, - u32 vrf_id, u32 sw_if_index, u32 flags) + u32 vrf_id, u32 flags) { snat_main_per_thread_data_t *tsm; snat_main_t *sm = &snat_main; @@ -1091,18 +1105,6 @@ nat44_ed_del_static_mapping_internal (ip4_address_t l_addr, nat44_lb_addr_port_t *local; snat_static_mapping_t *m; u32 fib_index = ~0; - int rv; - - if (!sm->enabled) - { - return VNET_API_ERROR_UNSUPPORTED; - } - - rv = nat44_ed_validate_sm_input (flags); - if (rv != 0) - { - return rv; - } if (is_sm_addr_only (flags)) { @@ -1117,13 +1119,8 @@ nat44_ed_del_static_mapping_internal (ip4_address_t l_addr, // fib index 0 m = nat44_ed_sm_o2i_lookup (sm, e_addr, e_port, 0, proto); - if (!m) { - if (is_sm_switch_address (flags)) - { - return 0; - } return VNET_API_ERROR_NO_SUCH_ENTRY; } @@ -1157,33 +1154,25 @@ nat44_ed_del_static_mapping_internal (ip4_address_t l_addr, fib_index = m->fib_index; } - if (!(is_sm_out2in_only (flags) || is_sm_addr_only (flags) || - sm->static_mapping_only)) - { - if (!nat44_ed_addr_lookup (sm, e_addr.as_u32)) - { - return VNET_API_ERROR_INVALID_VALUE; - } - } - if (!is_sm_out2in_only (flags)) { nat44_ed_sm_i2o_del (sm, l_addr, l_port, fib_index, proto); } - if (!sm->static_mapping_only || sm->static_mapping_connection_tracking) + // delete sessions for static mapping + if (sm->num_workers > 1) { - // delete sessions for static mapping - if (sm->num_workers > 1) - tsm = vec_elt_at_index (sm->per_thread_data, m->workers[0]); - else - tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); - - nat_ed_static_mapping_del_sessions ( - sm, tsm, m->local_addr, m->local_port, m->proto, fib_index, - is_sm_addr_only (flags), e_addr, e_port); + tsm = vec_elt_at_index (sm->per_thread_data, m->workers[0]); + } + else + { + tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); } + nat_ed_static_mapping_del_sessions (sm, tsm, m->local_addr, m->local_port, + m->proto, fib_index, + is_sm_addr_only (flags), e_addr, e_port); + fib_table_unlock (fib_index, FIB_PROTOCOL_IP4, sm->fib_src_low); if (!pool_elts (m->locals)) @@ -1196,10 +1185,7 @@ nat44_ed_del_static_mapping_internal (ip4_address_t l_addr, vec_free (m->workers); pool_put (sm->static_mappings, m); - if (is_sm_addr_only (flags) && !is_sm_identity_nat (flags)) - { - nat44_ed_add_del_addr_to_fib_foreach_out_if (&e_addr, 0); - } + nat44_ed_add_del_interface_fib_reg_entries (e_addr, 0); } return 0; @@ -1238,7 +1224,7 @@ nat44_ed_add_lb_static_mapping (ip4_address_t e_addr, u16 e_port, return VNET_API_ERROR_INVALID_VALUE; } - if (!(sm->static_mapping_only || is_sm_out2in_only (flags))) + if (!is_sm_out2in_only (flags)) { /* Find external address in allocated addresses and reserve port for address and port pair mapping when dynamic translations enabled */ @@ -1282,7 +1268,7 @@ nat44_ed_add_lb_static_mapping (ip4_address_t e_addr, u16 e_port, if (nat44_ed_sm_o2i_add (sm, m, m->external_addr, m->external_port, 0, m->proto)) { - nat_elog_err (sm, "sm o2i key add failed"); + nat_log_err ("sm o2i key add failed"); return VNET_API_ERROR_UNSPECIFIED; } @@ -1294,7 +1280,7 @@ nat44_ed_add_lb_static_mapping (ip4_address_t e_addr, u16 e_port, { if (nat44_ed_sm_o2i_add (sm, m, e_addr, e_port, 0, proto)) { - nat_elog_err (sm, "sm o2i key add failed"); + nat_log_err ("sm o2i key add failed"); rc = VNET_API_ERROR_UNSPECIFIED; // here we continue with add operation so that it can be safely // reversed in delete path - otherwise we'd have to track what @@ -1357,7 +1343,7 @@ nat44_ed_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port, if (nat44_ed_sm_o2i_del (sm, m->external_addr, m->external_port, 0, m->proto)) { - nat_elog_err (sm, "sm o2i key del failed"); + nat_log_err ("sm o2i key del failed"); return VNET_API_ERROR_UNSPECIFIED; } @@ -1369,7 +1355,7 @@ nat44_ed_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port, if (nat44_ed_sm_i2o_del (sm, local->addr, local->port, local->fib_index, m->proto)) { - nat_elog_err (sm, "sm i2o key del failed"); + nat_log_err ("sm i2o key del failed"); return VNET_API_ERROR_UNSPECIFIED; } } @@ -1478,7 +1464,7 @@ nat44_ed_add_del_lb_static_mapping_local (ip4_address_t e_addr, u16 e_port, if (nat44_ed_sm_i2o_add (sm, m, l_addr, l_port, local->fib_index, proto)) { - nat_elog_err (sm, "sm i2o key add failed"); + nat_log_err ("sm i2o key add failed"); pool_put (m->locals, local); return VNET_API_ERROR_UNSPECIFIED; } @@ -1499,7 +1485,7 @@ nat44_ed_add_del_lb_static_mapping_local (ip4_address_t e_addr, u16 e_port, { if (nat44_ed_sm_i2o_del (sm, l_addr, l_port, match_local->fib_index, proto)) - nat_elog_err (sm, "sm i2o key del failed"); + nat_log_err ("sm i2o key del failed"); } if (sm->num_workers > 1) @@ -1747,8 +1733,8 @@ nat44_ed_add_interface (u32 sw_if_index, u8 is_inside) outside_fib->refcount = 1; } - nat44_ed_add_del_addr_to_fib_foreach_addr (sw_if_index, 1); - nat44_ed_add_del_addr_to_fib_foreach_addr_only_sm (sw_if_index, 1); + nat44_ed_add_del_nat_addr_fib_reg_entries (sw_if_index, 1); + nat44_ed_add_del_sm_fib_reg_entries (sw_if_index, 1); nat44_ed_bind_if_addr_to_nat_addr (sw_if_index); } @@ -1858,8 +1844,8 @@ nat44_ed_del_interface (u32 sw_if_index, u8 is_inside) } } - nat44_ed_add_del_addr_to_fib_foreach_addr (sw_if_index, 0); - nat44_ed_add_del_addr_to_fib_foreach_addr_only_sm (sw_if_index, 0); + nat44_ed_add_del_nat_addr_fib_reg_entries (sw_if_index, 0); + nat44_ed_add_del_sm_fib_reg_entries (sw_if_index, 0); } return 0; @@ -1957,8 +1943,8 @@ nat44_ed_add_output_interface (u32 sw_if_index) outside_fib->refcount = 1; } - nat44_ed_add_del_addr_to_fib_foreach_addr (sw_if_index, 1); - nat44_ed_add_del_addr_to_fib_foreach_addr_only_sm (sw_if_index, 1); + nat44_ed_add_del_nat_addr_fib_reg_entries (sw_if_index, 1); + nat44_ed_add_del_sm_fib_reg_entries (sw_if_index, 1); nat44_ed_bind_if_addr_to_nat_addr (sw_if_index); @@ -2045,8 +2031,8 @@ nat44_ed_del_output_interface (u32 sw_if_index) } } - nat44_ed_add_del_addr_to_fib_foreach_addr (sw_if_index, 0); - nat44_ed_add_del_addr_to_fib_foreach_addr_only_sm (sw_if_index, 0); + nat44_ed_add_del_nat_addr_fib_reg_entries (sw_if_index, 0); + nat44_ed_add_del_sm_fib_reg_entries (sw_if_index, 0); return 0; } @@ -2103,7 +2089,7 @@ nat44_ed_update_outside_fib_cb (ip4_main_t *im, uword opaque, u32 sw_if_index, } pool_foreach (i, sm->interfaces) - { + { if (i->sw_if_index == sw_if_index) { if (!(nat44_ed_is_interface_outside (i))) @@ -2113,7 +2099,7 @@ nat44_ed_update_outside_fib_cb (ip4_main_t *im, uword opaque, u32 sw_if_index, } pool_foreach (i, sm->output_feature_interfaces) - { + { if (i->sw_if_index == sw_if_index) { if (!(nat44_ed_is_interface_outside (i))) @@ -2126,25 +2112,25 @@ nat44_ed_update_outside_fib_cb (ip4_main_t *im, uword opaque, u32 sw_if_index, return; vec_foreach (outside_fib, sm->outside_fibs) - { - if (outside_fib->fib_index == old_fib_index) - { - outside_fib->refcount--; - if (!outside_fib->refcount) - vec_del1 (sm->outside_fibs, outside_fib - sm->outside_fibs); - break; - } - } + { + if (outside_fib->fib_index == old_fib_index) + { + outside_fib->refcount--; + if (!outside_fib->refcount) + vec_del1 (sm->outside_fibs, outside_fib - sm->outside_fibs); + break; + } + } vec_foreach (outside_fib, sm->outside_fibs) - { - if (outside_fib->fib_index == new_fib_index) - { - outside_fib->refcount++; - is_add = 0; - break; - } - } + { + if (outside_fib->fib_index == new_fib_index) + { + outside_fib->refcount++; + is_add = 0; + break; + } + } if (is_add) { @@ -2162,7 +2148,7 @@ static void nat44_ed_add_del_interface_address_cb ( ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 if_address_index, u32 is_delete); -static void nat44_ed_add_del_static_mapping_addr_only_cb ( +static void nat44_ed_add_del_static_mapping_cb ( ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 if_address_index, u32 is_delete); @@ -2351,7 +2337,7 @@ nat_init (vlib_main_t * vm) /* callbacks to call when interface address changes. */ cbi.function = nat44_ed_add_del_interface_address_cb; vec_add1 (sm->ip4_main->add_del_interface_address_callbacks, cbi); - cbi.function = nat44_ed_add_del_static_mapping_addr_only_cb; + cbi.function = nat44_ed_add_del_static_mapping_cb; vec_add1 (sm->ip4_main->add_del_interface_address_callbacks, cbi); /* callbacks to call when interface to table biding changes */ @@ -2380,19 +2366,8 @@ nat44_plugin_enable (nat44_config_t c) fail_if_enabled (); - if (c.static_mapping_only && !c.connection_tracking) - { - nat_log_err ("unsupported combination of configuration"); - return 1; - } - - sm->static_mapping_only = c.static_mapping_only; - sm->static_mapping_connection_tracking = c.connection_tracking; - sm->forwarding_enabled = 0; sm->mss_clamping = 0; - sm->pat = (!c.static_mapping_only || - (c.static_mapping_only && c.connection_tracking)); if (!c.sessions) c.sessions = 63 * 1024; @@ -2461,7 +2436,7 @@ nat44_ed_del_addresses () vec = vec_dup (sm->addresses); vec_foreach (a, vec) { - error = nat44_ed_del_address (a->addr, 0, 0); + error = nat44_ed_del_address (a->addr, 0); if (error) { nat_log_err ("error occurred while removing adderess"); @@ -2474,7 +2449,7 @@ nat44_ed_del_addresses () vec = vec_dup (sm->twice_nat_addresses); vec_foreach (a, vec) { - error = nat44_ed_del_address (a->addr, 0, 1); + error = nat44_ed_del_address (a->addr, 1); if (error) { nat_log_err ("error occurred while removing adderess"); @@ -2484,11 +2459,8 @@ nat44_ed_del_addresses () vec_free (sm->twice_nat_addresses); sm->twice_nat_addresses = 0; - vec_free (sm->auto_add_sw_if_indices_twice_nat); - sm->auto_add_sw_if_indices_twice_nat = 0; - - vec_free (sm->auto_add_sw_if_indices); - sm->auto_add_sw_if_indices = 0; + vec_free (sm->addr_to_resolve); + sm->addr_to_resolve = 0; return error; } @@ -2557,7 +2529,7 @@ nat44_ed_del_static_mappings () { error = nat44_ed_del_static_mapping_internal ( m->local_addr, m->external_addr, m->local_port, m->external_port, - m->proto, m->vrf_id, ~0, m->flags); + m->proto, m->vrf_id, m->flags); if (error) { nat_log_err ("error occurred while removing mapping"); @@ -2567,8 +2539,8 @@ nat44_ed_del_static_mappings () pool_free (sm->static_mappings); sm->static_mappings = 0; - vec_free (sm->to_resolve); - sm->to_resolve = 0; + vec_free (sm->sm_to_resolve); + sm->sm_to_resolve = 0; return error; } @@ -2603,12 +2575,9 @@ nat44_plugin_disable () clib_bihash_free_16_8 (&sm->flow_hash); - if (sm->pat) + vec_foreach (tsm, sm->per_thread_data) { - vec_foreach (tsm, sm->per_thread_data) - { - nat44_ed_worker_db_free (tsm); - } + nat44_ed_worker_db_free (tsm); } clib_memset (&sm->rconfig, 0, sizeof (sm->rconfig)); @@ -3231,13 +3200,10 @@ nat44_ed_db_init (u32 translations, u32 translation_buckets) reinit_ed_flow_hash (); - if (sm->pat) + vec_foreach (tsm, sm->per_thread_data) { - vec_foreach (tsm, sm->per_thread_data) - { - nat44_ed_worker_db_init (tsm, sm->max_translations_per_thread, - sm->translation_buckets); - } + nat44_ed_worker_db_init (tsm, sm->max_translations_per_thread, + sm->translation_buckets); } } @@ -3257,95 +3223,105 @@ nat44_ed_sessions_clear () reinit_ed_flow_hash (); - if (sm->pat) + vec_foreach (tsm, sm->per_thread_data) { - vec_foreach (tsm, sm->per_thread_data) - { - - nat44_ed_worker_db_free (tsm); - nat44_ed_worker_db_init (tsm, sm->max_translations_per_thread, - sm->translation_buckets); - } + nat44_ed_worker_db_free (tsm); + nat44_ed_worker_db_init (tsm, sm->max_translations_per_thread, + sm->translation_buckets); } vlib_zero_simple_counter (&sm->total_sessions, 0); } static void -nat44_ed_add_del_static_mapping_addr_only_cb ( - ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, - u32 address_length, u32 if_address_index, u32 is_delete) +nat44_ed_add_del_static_mapping_cb (ip4_main_t *im, uword opaque, + u32 sw_if_index, ip4_address_t *address, + u32 address_length, u32 if_address_index, + u32 is_delete) { - snat_static_map_resolve_t *rp; + snat_static_mapping_resolve_t *rp; snat_main_t *sm = &snat_main; - snat_static_mapping_t *m; - int i, rv = 0, match = 0; + int rv = 0; if (!sm->enabled) { return; } - // find first addr_only resolve record by sw_if_index - for (i = 0; i < vec_len (sm->to_resolve); i++) + vec_foreach (rp, sm->sm_to_resolve) { - rp = sm->to_resolve + i; - if (is_sm_addr_only (rp->flags) && rp->sw_if_index == sw_if_index) + if (sw_if_index == rp->sw_if_index) { - match = 1; - break; + if (is_delete) + { + if (rp->is_resolved) + { + rv = nat44_ed_del_static_mapping_internal ( + rp->l_addr, address[0], rp->l_port, rp->e_port, rp->proto, + rp->vrf_id, rp->flags); + if (rv) + { + nat_log_err ("ed del static mapping failed"); + } + else + { + rp->is_resolved = 0; + } + } + } + else + { + if (!rp->is_resolved) + { + rv = nat44_ed_add_static_mapping_internal ( + rp->l_addr, address[0], rp->l_port, rp->e_port, rp->proto, + rp->vrf_id, ~0, rp->flags, rp->pool_addr, rp->tag); + if (rv) + { + nat_log_err ("ed add static mapping failed"); + } + else + { + rp->is_resolved = 1; + } + } + } } } - if (!match) - { - return; - } +} - m = nat44_ed_sm_o2i_lookup ( - sm, *address, is_sm_addr_only (rp->flags) ? 0 : rp->e_port, 0, rp->proto); +static int +nat44_ed_get_addr_resolve_record (u32 sw_if_index, u8 twice_nat, int *out) +{ + snat_main_t *sm = &snat_main; + snat_address_resolve_t *rp; + int i; - if (is_delete) - { - if (m) - { - rv = nat44_ed_del_static_mapping_internal ( - rp->l_addr, address[0], rp->l_port, rp->e_port, rp->proto, - rp->vrf_id, ~0, rp->flags); - } - if (rv) - { - nat_elog_notice_X1 (sm, "nat44_ed_del_static_mapping returned %d", - "i4", rv); - } - } - else + for (i = 0; i < vec_len (sm->addr_to_resolve); i++) { - if (!m) - { - rv = nat44_ed_add_static_mapping_internal ( - rp->l_addr, address[0], rp->l_port, rp->e_port, rp->proto, - rp->vrf_id, ~0, rp->flags, rp->pool_addr, rp->tag); - } - // else: don't trip over lease renewal, static config - if (rv) + rp = sm->addr_to_resolve + i; + + if ((rp->sw_if_index == sw_if_index) && (rp->is_twice_nat == twice_nat)) { - nat_elog_notice_X1 (sm, "nat44_ed_add_static_mapping returned %d", - "i4", rv); + if (out) + { + *out = i; + } + return 0; } } + return 1; } - -static_always_inline int -is_sw_if_index_reg_for_auto_resolve (u32 *sw_if_indices, u32 sw_if_index) +static int +nat44_ed_del_addr_resolve_record (u32 sw_if_index, u8 twice_nat) { - u32 *i; - vec_foreach (i, sw_if_indices) + snat_main_t *sm = &snat_main; + int i; + if (!nat44_ed_get_addr_resolve_record (sw_if_index, twice_nat, &i)) { - if (*i == sw_if_index) - { - return 1; - } + vec_del1 (sm->addr_to_resolve, i); + return 0; } - return 0; + return 1; } static void @@ -3355,23 +3331,21 @@ nat44_ed_add_del_interface_address_cb (ip4_main_t *im, uword opaque, u32 if_address_index, u32 is_delete) { snat_main_t *sm = &snat_main; - snat_static_map_resolve_t *rp; - snat_address_t *ap, *addresses = sm->addresses; + snat_address_resolve_t *arp; + snat_address_t *ap; u8 twice_nat = 0; - int rv, i; + int i, rv; if (!sm->enabled) { return; } - if (!is_sw_if_index_reg_for_auto_resolve (sm->auto_add_sw_if_indices, - sw_if_index)) + if (nat44_ed_get_addr_resolve_record (sw_if_index, twice_nat, &i)) { - if (!is_sw_if_index_reg_for_auto_resolve ( - sm->auto_add_sw_if_indices_twice_nat, sw_if_index)) + twice_nat = 1; + if (nat44_ed_get_addr_resolve_record (sw_if_index, twice_nat, &i)) { - // interface resolve u32 fib_index = ip4_fib_table_get_index_for_sw_if_index (sw_if_index); vec_foreach (ap, sm->addresses) @@ -3400,51 +3374,35 @@ nat44_ed_add_del_interface_address_cb (ip4_main_t *im, uword opaque, } return; } - else - { - addresses = sm->twice_nat_addresses; - twice_nat = 1; - } } + arp = sm->addr_to_resolve + i; + if (!is_delete) { - // don't trip over lease renewal, static config - for (i = 0; i < vec_len (addresses); i++) + if (arp->is_resolved) { - if (addresses[i].addr.as_u32 == address->as_u32) - { - return; - } + return; } - (void) nat44_ed_add_address (address, ~0, twice_nat); - - // scan static mapping switch address resolution record vector - for (i = 0; i < vec_len (sm->to_resolve); i++) + rv = nat44_ed_add_address (address, ~0, arp->is_twice_nat); + if (0 == rv) { - rp = sm->to_resolve + i; - if (is_sm_addr_only (rp->flags)) - { - continue; - } - if (rp->sw_if_index == sw_if_index) - { - rv = nat44_ed_add_static_mapping_internal ( - rp->l_addr, address[0], rp->l_port, rp->e_port, rp->proto, - rp->vrf_id, sw_if_index, rp->flags, rp->pool_addr, rp->tag); - if (rv) - { - nat_elog_notice_X1 ( - sm, "add_static_mapping_internal returned %d", "i4", rv); - } - } + arp->is_resolved = 1; } } else { - // remove all static mapping records - (void) nat44_ed_del_address (address[0], 1, twice_nat); + if (!arp->is_resolved) + { + return; + } + + rv = nat44_ed_del_address (address[0], arp->is_twice_nat); + if (0 == rv) + { + arp->is_resolved = 0; + } } } @@ -3454,34 +3412,34 @@ nat44_ed_add_interface_address (u32 sw_if_index, u8 twice_nat) snat_main_t *sm = &snat_main; ip4_main_t *ip4_main = sm->ip4_main; ip4_address_t *first_int_addr; - u32 *auto_add_sw_if_indices = twice_nat ? - sm->auto_add_sw_if_indices_twice_nat : - sm->auto_add_sw_if_indices; - int i; + snat_address_resolve_t *ap; + int rv; - for (i = 0; i < vec_len (auto_add_sw_if_indices); i++) + if (!sm->enabled) { - if (auto_add_sw_if_indices[i] == sw_if_index) - { - return VNET_API_ERROR_VALUE_EXIST; - } + return VNET_API_ERROR_UNSUPPORTED; } - // add to the auto-address list - if (twice_nat) - { - vec_add1 (sm->auto_add_sw_if_indices_twice_nat, sw_if_index); - } - else + if (!nat44_ed_get_addr_resolve_record (sw_if_index, twice_nat, 0)) { - vec_add1 (sm->auto_add_sw_if_indices, sw_if_index); + return VNET_API_ERROR_VALUE_EXIST; } - // if the address is already bound - or static - add it now + vec_add2 (sm->addr_to_resolve, ap, 1); + ap->sw_if_index = sw_if_index; + ap->is_twice_nat = twice_nat; + ap->is_resolved = 0; + first_int_addr = ip4_interface_first_address (ip4_main, sw_if_index, 0); if (first_int_addr) { - (void) nat44_ed_add_address (first_int_addr, ~0, twice_nat); + rv = nat44_ed_add_address (first_int_addr, ~0, twice_nat); + if (0 != rv) + { + nat44_ed_del_addr_resolve_record (sw_if_index, twice_nat); + return rv; + } + ap->is_resolved = 1; } return 0; @@ -3493,62 +3451,24 @@ nat44_ed_del_interface_address (u32 sw_if_index, u8 twice_nat) snat_main_t *sm = &snat_main; ip4_main_t *ip4_main = sm->ip4_main; ip4_address_t *first_int_addr; - snat_static_map_resolve_t *rp; - u32 *indices_to_delete = 0; - int i, j; - u32 *auto_add_sw_if_indices; if (!sm->enabled) { return VNET_API_ERROR_UNSUPPORTED; } - auto_add_sw_if_indices = twice_nat ? sm->auto_add_sw_if_indices_twice_nat : - sm->auto_add_sw_if_indices; - - for (i = 0; i < vec_len (auto_add_sw_if_indices); i++) + if (nat44_ed_del_addr_resolve_record (sw_if_index, twice_nat)) { - if (auto_add_sw_if_indices[i] == sw_if_index) - { - first_int_addr = - ip4_interface_first_address (ip4_main, sw_if_index, 0); - if (first_int_addr) - { - // remove all static mapping records - (void) nat44_ed_del_address (first_int_addr[0], 1, twice_nat); - } - else - { - for (j = 0; j < vec_len (sm->to_resolve); j++) - { - rp = sm->to_resolve + j; - if (rp->sw_if_index == sw_if_index) - { - vec_add1 (indices_to_delete, j); - } - } - if (vec_len (indices_to_delete)) - { - for (j = vec_len (indices_to_delete) - 1; j >= 0; j--) - { - vec_del1 (sm->to_resolve, j); - } - vec_free (indices_to_delete); - } - } + return VNET_API_ERROR_NO_SUCH_ENTRY; + } - if (twice_nat) - { - vec_del1 (sm->auto_add_sw_if_indices_twice_nat, i); - } - else - { - vec_del1 (sm->auto_add_sw_if_indices, i); - } - return 0; - } + first_int_addr = ip4_interface_first_address (ip4_main, sw_if_index, 0); + if (first_int_addr) + { + return nat44_ed_del_address (first_int_addr[0], twice_nat); } - return VNET_API_ERROR_NO_SUCH_ENTRY; + + return 0; } int diff --git a/src/plugins/nat/nat44-ed/nat44_ed.h b/src/plugins/nat/nat44-ed/nat44_ed.h index d8cc0d3aece..9772f1ec79a 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed.h +++ b/src/plugins/nat/nat44-ed/nat44_ed.h @@ -63,10 +63,6 @@ typedef enum nat44_config_flags_t_ typedef struct { - /* nat44 plugin features */ - u8 static_mapping_only; - u8 connection_tracking; - u32 inside_vrf; u32 outside_vrf; @@ -450,6 +446,7 @@ typedef struct typedef struct { + u8 is_resolved; ip4_address_t l_addr; ip4_address_t pool_addr; u16 l_port; @@ -459,7 +456,21 @@ typedef struct ip_protocol_t proto; u32 flags; u8 *tag; -} snat_static_map_resolve_t; +} snat_static_mapping_resolve_t; + +typedef struct +{ + u8 is_resolved; + u8 is_twice_nat; + u32 sw_if_index; +} snat_address_resolve_t; + +typedef struct +{ + u32 count; + u32 sw_if_index; + ip4_address_t addr; +} snat_fib_entry_reg_t; typedef struct { @@ -533,9 +544,8 @@ typedef struct snat_main_s /* Vector of twice NAT addresses for external hosts */ snat_address_t *twice_nat_addresses; - /* sw_if_indices whose intfc addresses should be auto-added */ - u32 *auto_add_sw_if_indices; - u32 *auto_add_sw_if_indices_twice_nat; + /* first interface address should be auto-added */ + snat_address_resolve_t *addr_to_resolve; /* Address and port allocation function */ nat_alloc_out_addr_and_port_function_t *alloc_addr_and_port; @@ -555,8 +565,11 @@ typedef struct snat_main_s /* vector of outside fibs */ nat_outside_fib_t *outside_fibs; + /* vector of fib entries */ + snat_fib_entry_reg_t *fib_entry_reg; + /* vector of interface address static mappings to resolve. */ - snat_static_map_resolve_t *to_resolve; + snat_static_mapping_resolve_t *sm_to_resolve; /* Randomize port allocation order */ u32 random_seed; @@ -576,10 +589,6 @@ typedef struct snat_main_s /* If forwarding is enabled */ u8 forwarding_enabled; - /* static mapping config */ - u8 static_mapping_only; - u8 static_mapping_connection_tracking; - /* Is translation memory size calculated or user defined */ u8 translation_memory_size_set; @@ -651,9 +660,6 @@ typedef struct snat_main_s fib_source_t fib_src_hi; fib_source_t fib_src_low; - /* pat - dynamic mapping enabled or conneciton tracking */ - u8 pat; - /* number of worker handoff frame queue elements */ u32 frame_queue_nelts; @@ -876,7 +882,7 @@ int nat44_ed_add_output_interface (u32 sw_if_index); int nat44_ed_del_output_interface (u32 sw_if_index); int nat44_ed_add_address (ip4_address_t *addr, u32 vrf_id, u8 twice_nat); -int nat44_ed_del_address (ip4_address_t addr, u8 delete_sm, u8 twice_nat); +int nat44_ed_del_address (ip4_address_t addr, u8 twice_nat); int nat44_ed_add_interface_address (u32 sw_if_index, u8 twice_nat); int nat44_ed_del_interface_address (u32 sw_if_index, u8 twice_nat); diff --git a/src/plugins/nat/nat44-ed/nat44_ed_api.c b/src/plugins/nat/nat44-ed/nat44_ed_api.c index 6b769672135..4664fabfec5 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed_api.c +++ b/src/plugins/nat/nat44-ed/nat44_ed_api.c @@ -47,15 +47,19 @@ vl_api_nat44_ed_plugin_enable_disable_t_handler ( if (mp->enable) { - c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY; - c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING; - - c.inside_vrf = ntohl (mp->inside_vrf); - c.outside_vrf = ntohl (mp->outside_vrf); - - c.sessions = ntohl (mp->sessions); + if ((mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY) || + (mp->flags & NAT44_API_IS_CONNECTION_TRACKING)) + { + rv = VNET_API_ERROR_UNSUPPORTED; + } + else + { + c.sessions = ntohl (mp->sessions); + c.inside_vrf = ntohl (mp->inside_vrf); + c.outside_vrf = ntohl (mp->outside_vrf); - rv = nat44_plugin_enable (c); + rv = nat44_plugin_enable (c); + } } else { @@ -275,12 +279,6 @@ static void int rv = 0; u32 *tmp; - if (sm->static_mapping_only) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - is_add = mp->is_add; twice_nat = mp->flags & NAT_API_IS_TWICE_NAT; @@ -308,7 +306,7 @@ static void } else { - rv = nat44_ed_del_address (this_addr, 0, twice_nat); + rv = nat44_ed_del_address (this_addr, twice_nat); } if (rv) @@ -821,9 +819,8 @@ send_nat44_static_mapping_details (snat_static_mapping_t * m, } static void -send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m, - vl_api_registration_t * reg, - u32 context) +send_nat44_static_map_resolve_details (snat_static_mapping_resolve_t *m, + vl_api_registration_t *reg, u32 context) { vl_api_nat44_static_mapping_details_t *rmp; snat_main_t *sm = &snat_main; @@ -866,7 +863,7 @@ vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t vl_api_registration_t *reg; snat_main_t *sm = &snat_main; snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; + snat_static_mapping_resolve_t *rp; int j; reg = vl_api_client_index_to_registration (mp->client_index); @@ -879,9 +876,9 @@ vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t send_nat44_static_mapping_details (m, reg, mp->context); } - for (j = 0; j < vec_len (sm->to_resolve); j++) + for (j = 0; j < vec_len (sm->sm_to_resolve); j++) { - rp = sm->to_resolve + j; + rp = sm->sm_to_resolve + j; if (!is_sm_identity_nat (rp->flags)) send_nat44_static_map_resolve_details (rp, reg, mp->context); } @@ -973,8 +970,8 @@ send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index, } static void -send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m, - vl_api_registration_t * reg, +send_nat44_identity_map_resolve_details (snat_static_mapping_resolve_t *m, + vl_api_registration_t *reg, u32 context) { vl_api_nat44_identity_mapping_details_t *rmp; @@ -1006,7 +1003,7 @@ static void vl_api_registration_t *reg; snat_main_t *sm = &snat_main; snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; + snat_static_mapping_resolve_t *rp; int j; reg = vl_api_client_index_to_registration (mp->client_index); @@ -1024,9 +1021,9 @@ static void } } - for (j = 0; j < vec_len (sm->to_resolve); j++) + for (j = 0; j < vec_len (sm->sm_to_resolve); j++) { - rp = sm->to_resolve + j; + rp = sm->sm_to_resolve + j; if (is_sm_identity_nat (rp->flags)) send_nat44_identity_map_resolve_details (rp, reg, mp->context); } @@ -1042,12 +1039,6 @@ static void u8 twice_nat; int rv = 0; - if (sm->static_mapping_only) - { - rv = VNET_API_ERROR_FEATURE_DISABLED; - goto send_reply; - } - VALIDATE_SW_IF_INDEX (mp); twice_nat = mp->flags & NAT_API_IS_TWICE_NAT; @@ -1063,7 +1054,6 @@ static void BAD_SW_IF_INDEX_LABEL; -send_reply: REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY); } @@ -1092,21 +1082,18 @@ static void vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t * mp) { - vl_api_registration_t *reg; snat_main_t *sm = &snat_main; - u32 *i; + vl_api_registration_t *reg; + snat_address_resolve_t *ap; reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) return; - vec_foreach (i, sm->auto_add_sw_if_indices) - { - send_nat44_interface_addr_details (*i, reg, mp->context, 0); - } - vec_foreach (i, sm->auto_add_sw_if_indices_twice_nat) + vec_foreach (ap, sm->addr_to_resolve) { - send_nat44_interface_addr_details (*i, reg, mp->context, 1); + send_nat44_interface_addr_details (ap->sw_if_index, reg, mp->context, + ap->is_twice_nat); } } @@ -1446,20 +1433,18 @@ vl_api_nat44_plugin_enable_disable_t_handler ( if (mp->enable) { - if (mp->users || mp->user_sessions) + if ((mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY) || + (mp->flags & NAT44_API_IS_CONNECTION_TRACKING) || mp->users || + mp->user_sessions) { rv = VNET_API_ERROR_UNSUPPORTED; } else { - c.static_mapping_only = mp->flags & NAT44_API_IS_STATIC_MAPPING_ONLY; - c.connection_tracking = mp->flags & NAT44_API_IS_CONNECTION_TRACKING; - + c.sessions = ntohl (mp->sessions); c.inside_vrf = ntohl (mp->inside_vrf); c.outside_vrf = ntohl (mp->outside_vrf); - c.sessions = ntohl (mp->sessions); - rv = nat44_plugin_enable (c); } } @@ -1496,9 +1481,8 @@ vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t *mp) rmp->max_translations_per_user = 0; rmp->outside_vrf_id = htonl (sm->outside_vrf_id); rmp->inside_vrf_id = htonl (sm->inside_vrf_id); - rmp->static_mapping_only = sm->static_mapping_only; - rmp->static_mapping_connection_tracking = - sm->static_mapping_connection_tracking; + rmp->static_mapping_only = 0; + rmp->static_mapping_connection_tracking = 0; rmp->endpoint_dependent = 1; rmp->out2in_dpo = 0; })); @@ -1518,9 +1502,8 @@ vl_api_nat_show_config_2_t_handler (vl_api_nat_show_config_2_t *mp) rmp->max_translations_per_user = 0; rmp->outside_vrf_id = htonl (sm->outside_vrf_id); rmp->inside_vrf_id = htonl (sm->inside_vrf_id); - rmp->static_mapping_only = sm->static_mapping_only; - rmp->static_mapping_connection_tracking = - sm->static_mapping_connection_tracking; + rmp->static_mapping_only = 0; + rmp->static_mapping_connection_tracking = 0; rmp->endpoint_dependent = 1; rmp->out2in_dpo = 0; rmp->max_translations_per_thread = @@ -1560,10 +1543,6 @@ vl_api_nat44_show_running_config_t_handler ( // consider how to split functionality between subplugins rmp->ipfix_logging_enabled = nat_ipfix_logging_enabled (); rmp->flags |= NAT44_IS_ENDPOINT_DEPENDENT; - if (rc->static_mapping_only) - rmp->flags |= NAT44_IS_STATIC_MAPPING_ONLY; - if (rc->connection_tracking) - rmp->flags |= NAT44_IS_CONNECTION_TRACKING; })); } diff --git a/src/plugins/nat/nat44-ed/nat44_ed_cli.c b/src/plugins/nat/nat44-ed/nat44_ed_cli.c index 9743ce6e6ea..cfd36278674 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed_cli.c +++ b/src/plugins/nat/nat44-ed/nat44_ed_cli.c @@ -38,23 +38,15 @@ nat44_ed_enable_disable_command_fn (vlib_main_t *vm, unformat_input_t *input, clib_error_t *error = 0; nat44_config_t c = { 0 }; - u8 enable_set = 0, enable = 0, mode_set = 0; + u8 enable_set = 0, enable = 0; if (!unformat_user (input, unformat_line_input, line_input)) return clib_error_return (0, NAT44_ED_EXPECTED_ARGUMENT); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (!mode_set && unformat (line_input, "static-mapping-only")) - { - mode_set = 1; - c.static_mapping_only = 1; - if (unformat (line_input, "connection-tracking")) - { - c.connection_tracking = 1; - } - } - else if (unformat (line_input, "inside-vrf %u", &c.inside_vrf)); + if (unformat (line_input, "inside-vrf %u", &c.inside_vrf)) + ; else if (unformat (line_input, "outside-vrf %u", &c.outside_vrf)); else if (unformat (line_input, "sessions %u", &c.sessions)); else if (!enable_set) @@ -350,7 +342,6 @@ add_address_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; - snat_main_t *sm = &snat_main; ip4_address_t start_addr, end_addr, this_addr; u32 start_host_order, end_host_order; u32 vrf_id = ~0; @@ -386,12 +377,6 @@ add_address_command_fn (vlib_main_t * vm, } } - if (sm->static_mapping_only) - { - error = clib_error_return (0, "static mapping only mode"); - goto done; - } - start_host_order = clib_host_to_net_u32 (start_addr.as_u32); end_host_order = clib_host_to_net_u32 (end_addr.as_u32); @@ -418,7 +403,7 @@ add_address_command_fn (vlib_main_t * vm, } else { - rv = nat44_ed_del_address (this_addr, 0, twice_nat); + rv = nat44_ed_del_address (this_addr, twice_nat); } switch (rv) @@ -1279,14 +1264,14 @@ nat44_show_static_mappings_command_fn (vlib_main_t * vm, { snat_main_t *sm = &snat_main; snat_static_mapping_t *m; - snat_static_map_resolve_t *rp; + snat_static_mapping_resolve_t *rp; vlib_cli_output (vm, "NAT44 static mappings:"); pool_foreach (m, sm->static_mappings) { vlib_cli_output (vm, " %U", format_snat_static_mapping, m); } - vec_foreach (rp, sm->to_resolve) + vec_foreach (rp, sm->sm_to_resolve) vlib_cli_output (vm, " %U", format_snat_static_map_to_resolve, rp); return 0; @@ -1358,21 +1343,14 @@ nat44_show_interface_address_command_fn (vlib_main_t * vm, { snat_main_t *sm = &snat_main; vnet_main_t *vnm = vnet_get_main (); - u32 *sw_if_index; + snat_address_resolve_t *ap; vlib_cli_output (vm, "NAT44 pool address interfaces:"); - vec_foreach (sw_if_index, sm->auto_add_sw_if_indices) + vec_foreach (ap, sm->addr_to_resolve) { - vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm, - *sw_if_index); + vlib_cli_output (vm, " %U%s", format_vnet_sw_if_index_name, vnm, + ap->sw_if_index, ap->is_twice_nat ? " twice-nat" : ""); } - vlib_cli_output (vm, "NAT44 twice-nat pool address interfaces:"); - vec_foreach (sw_if_index, sm->auto_add_sw_if_indices_twice_nat) - { - vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm, - *sw_if_index); - } - return 0; } @@ -1737,16 +1715,13 @@ done: * vpp# nat44 enable * To disable nat44-ed, use: * vpp# nat44 disable - * To enable nat44-ed static mapping with connection tracking, use: - * vpp# nat44-ed enable static-mapping connection-tracking * To set inside-vrf outside-vrf, use: * vpp# nat44 enable inside-vrf <id> outside-vrf <id> * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_ed_enable_disable_command, static) = { .path = "nat44", - .short_help = "nat44 <enable [sessions <max-number>] [static-mapping-only " - "connection-tracking] [inside-vrf <vrf-id>] " + .short_help = "nat44 <enable [sessions <max-number>] [inside-vrf <vrf-id>] " "[outside-vrf <vrf-id>]>|disable", .function = nat44_ed_enable_disable_command_fn, }; diff --git a/src/plugins/nat/nat44-ed/nat44_ed_format.c b/src/plugins/nat/nat44-ed/nat44_ed_format.c index 81e743fd276..a6f63026897 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed_format.c +++ b/src/plugins/nat/nat44-ed/nat44_ed_format.c @@ -188,7 +188,8 @@ format_snat_static_mapping (u8 * s, va_list * args) 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 *); + snat_static_mapping_resolve_t *m = + va_arg (*args, snat_static_mapping_resolve_t *); vnet_main_t *vnm = vnet_get_main (); if (is_sm_addr_only (m->flags)) diff --git a/src/plugins/nat/nat44-ed/nat44_ed_in2out.c b/src/plugins/nat/nat44-ed/nat44_ed_in2out.c index e93198a8079..23e0957dabe 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed_in2out.c +++ b/src/plugins/nat/nat44-ed/nat44_ed_in2out.c @@ -278,7 +278,7 @@ nat_ed_alloc_addr_and_port (snat_main_t *sm, u32 rx_fib_index, } else { - // frist try nat pool addresses to sw interface addreses mappings + // first try nat pool addresses to sw interface addreses mappings for (i = s_addr_offset; i < vec_len (sm->addresses); ++i) { a = sm->addresses + i; |