diff options
Diffstat (limited to 'src/vnet/lisp-gpe/lisp_gpe.c')
| -rw-r--r-- | src/vnet/lisp-gpe/lisp_gpe.c | 728 |
1 files changed, 0 insertions, 728 deletions
diff --git a/src/vnet/lisp-gpe/lisp_gpe.c b/src/vnet/lisp-gpe/lisp_gpe.c deleted file mode 100644 index c75ad6b87cd..00000000000 --- a/src/vnet/lisp-gpe/lisp_gpe.c +++ /dev/null @@ -1,728 +0,0 @@ -/* - * Copyright (c) 2016 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 Common utility functions for IPv4, IPv6 and L2 LISP-GPE tunnels. - * - */ - -#include <vnet/lisp-gpe/lisp_gpe.h> -#include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h> -#include <vnet/lisp-gpe/lisp_gpe_adjacency.h> -#include <vnet/lisp-gpe/lisp_gpe_tenant.h> -#include <vnet/fib/fib_path_list.h> -#include <vnet/fib/fib_table.h> -#include <vnet/fib/fib_internal.h> - -/** LISP-GPE global state */ -lisp_gpe_main_t lisp_gpe_main; - - -/** CLI command to add/del forwarding entry. */ -static clib_error_t * -lisp_gpe_add_del_fwd_entry_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - unformat_input_t _line_input, *line_input = &_line_input; - u8 is_add = 1; - ip_address_t lloc, rloc; - clib_error_t *error = 0; - gid_address_t _reid, *reid = &_reid, _leid, *leid = &_leid; - u8 reid_set = 0, leid_set = 0, is_negative = 0, dp_table_set = 0, - vni_set = 0; - u32 vni = 0, dp_table = 0, action = ~0, w; - locator_pair_t pair, *pairs = 0; - int rv; - - clib_memset (leid, 0, sizeof (*leid)); - clib_memset (reid, 0, sizeof (*reid)); - - /* Get a line of input. */ - if (!unformat_user (input, unformat_line_input, line_input)) - return 0; - - while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (line_input, "del")) - is_add = 0; - else if (unformat (line_input, "add")) - is_add = 1; - else if (unformat (line_input, "leid %U", unformat_gid_address, leid)) - { - leid_set = 1; - } - else if (unformat (line_input, "reid %U", unformat_gid_address, reid)) - { - reid_set = 1; - } - else if (unformat (line_input, "vni %u", &vni)) - { - gid_address_vni (leid) = vni; - gid_address_vni (reid) = vni; - vni_set = 1; - } - else if (unformat (line_input, "vrf %u", &dp_table)) - { - dp_table_set = 1; - } - else if (unformat (line_input, "bd %u", &dp_table)) - { - dp_table_set = 1; - } - else if (unformat (line_input, "negative action %U", - unformat_negative_mapping_action, &action)) - { - is_negative = 1; - } - else if (unformat (line_input, "loc-pair %U %U w %d", - unformat_ip_address, &lloc, - unformat_ip_address, &rloc, &w)) - { - ip_address_copy (&pair.lcl_loc, &lloc); - ip_address_copy (&pair.rmt_loc, &rloc); - pair.weight = w; - pair.priority = 0; - vec_add1 (pairs, pair); - } - else - { - error = unformat_parse_error (line_input); - vlib_cli_output (vm, "parse error: '%U'", - format_unformat_error, line_input); - goto done; - } - } - - if (!reid_set) - { - vlib_cli_output (vm, "remote eid must be set!"); - goto done; - } - - if (gid_address_type (reid) != GID_ADDR_NSH && (!vni_set || !dp_table_set)) - { - vlib_cli_output (vm, "vni and vrf/bd must be set!"); - goto done; - } - - if (is_negative) - { - if (~0 == action) - { - vlib_cli_output (vm, "no action set for negative tunnel!"); - goto done; - } - } - else - { - if (vec_len (pairs) == 0) - { - vlib_cli_output (vm, "expected ip4/ip6 locators"); - goto done; - } - } - - if (!leid_set) - { - /* if leid not set, make sure it's the same AFI like reid */ - gid_address_type (leid) = gid_address_type (reid); - if (GID_ADDR_IP_PREFIX == gid_address_type (reid)) - gid_address_ip_version (leid) = gid_address_ip_version (reid); - } - - /* add fwd entry */ - vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a; - clib_memset (a, 0, sizeof (a[0])); - - a->is_add = is_add; - a->is_negative = is_negative; - a->vni = vni; - a->table_id = dp_table; - gid_address_copy (&a->lcl_eid, leid); - gid_address_copy (&a->rmt_eid, reid); - a->locator_pairs = pairs; - a->action = action; - - rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0); - if (0 != rv) - { - vlib_cli_output (vm, "failed to %s gpe tunnel!", - is_add ? "add" : "delete"); - } - -done: - unformat_free (line_input); - vec_free (pairs); - return error; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (lisp_gpe_add_del_fwd_entry_command, static) = { - .path = "gpe entry", - .short_help = "gpe entry add/del vni <vni> vrf/bd <id> [leid <leid>]" - "reid <reid> [loc-pair <lloc> <rloc> w <weight>] " - "[negative action <action>]", - .function = lisp_gpe_add_del_fwd_entry_command_fn, -}; -/* *INDENT-ON* */ - -/** Check if LISP-GPE is enabled. */ -u8 -vnet_lisp_gpe_enable_disable_status (void) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - - return lgm->is_en; -} - -/** Enable/disable LISP-GPE. */ -clib_error_t * -vnet_lisp_gpe_enable_disable (vnet_lisp_gpe_enable_disable_args_t * a) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - vlib_main_t *vm = vlib_get_main (); - - if (a->is_en) - { - lgm->is_en = 1; - udp_register_dst_port (vm, UDP_DST_PORT_lisp_gpe, - lisp_gpe_ip4_input_node.index, 1 /* is_ip4 */ ); - udp_register_dst_port (vm, UDP_DST_PORT_lisp_gpe6, - lisp_gpe_ip6_input_node.index, 0 /* is_ip4 */ ); - } - else - { - /* remove all entries */ - vnet_lisp_gpe_fwd_entry_flush (); - - /* disable all l3 ifaces */ - lisp_gpe_tenant_flush (); - - udp_unregister_dst_port (vm, UDP_DST_PORT_lisp_gpe, 0 /* is_ip4 */ ); - udp_unregister_dst_port (vm, UDP_DST_PORT_lisp_gpe6, 1 /* is_ip4 */ ); - lgm->is_en = 0; - } - - return 0; -} - -/** Set GPE encapsulation mode. */ -int -vnet_gpe_set_encap_mode (gpe_encap_mode_t mode) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - - if (mode >= GPE_ENCAP_COUNT) - return VNET_API_ERROR_INVALID_GPE_MODE; - - if (pool_elts (lgm->lisp_fwd_entry_pool) != 0) - return VNET_API_ERROR_LISP_GPE_ENTRIES_PRESENT; - - lgm->encap_mode = mode; - return 0; -} - -/** CLI command to set GPE encap */ -static clib_error_t * -gpe_set_encap_mode_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - unformat_input_t _line_input, *line_input = &_line_input; - gpe_encap_mode_t mode = GPE_ENCAP_COUNT; - vnet_api_error_t rv; - - /* Get a line of input. */ - if (!unformat_user (input, unformat_line_input, line_input)) - return 0; - - while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (line_input, "lisp")) - mode = GPE_ENCAP_LISP; - else if (unformat (line_input, "vxlan")) - mode = GPE_ENCAP_VXLAN; - else - { - return clib_error_return (0, "parse error: '%U'", - format_unformat_error, line_input); - } - } - rv = vnet_gpe_set_encap_mode (mode); - if (rv) - { - return clib_error_return (0, - "Error: invalid mode or GPE entries are present!"); - } - - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gpe_set_encap_mode_command, static) = { - .path = "gpe encap", - .short_help = "gpe encap [lisp|vxlan]", - .function = gpe_set_encap_mode_command_fn, -}; -/* *INDENT-ON* */ - -/** Format GPE encap mode. */ -u8 * -format_vnet_gpe_encap_mode (u8 * s, va_list * args) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - - switch (lgm->encap_mode) - { - case GPE_ENCAP_LISP: - return format (s, "lisp"); - case GPE_ENCAP_VXLAN: - return format (s, "vxlan"); - default: - return 0; - } - return 0; -} - -/** CLI command to show GPE encap */ -static clib_error_t * -gpe_show_encap_mode_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - vlib_cli_output (vm, "encap mode: %U", format_vnet_gpe_encap_mode); - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gpe_show_encap_mode_command, static) = { - .path = "show gpe encap", - .short_help = "show GPE encapulation mode", - .function = gpe_show_encap_mode_command_fn, -}; -/* *INDENT-ON* */ - -/** CLI command to enable/disable LISP-GPE. */ -static clib_error_t * -lisp_gpe_enable_disable_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - unformat_input_t _line_input, *line_input = &_line_input; - u8 is_en = 1; - vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a; - clib_error_t *error = NULL; - - /* Get a line of input. */ - if (!unformat_user (input, unformat_line_input, line_input)) - return clib_error_return (0, "expected enable | disable"); - - while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (line_input, "enable")) - is_en = 1; - else if (unformat (line_input, "disable")) - is_en = 0; - else - { - error = clib_error_return (0, "parse error: '%U'", - format_unformat_error, line_input); - goto done; - } - } - a->is_en = is_en; - error = vnet_lisp_gpe_enable_disable (a); - -done: - unformat_free (line_input); - - return error; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (enable_disable_lisp_gpe_command, static) = { - .path = "gpe", - .short_help = "gpe [enable|disable]", - .function = lisp_gpe_enable_disable_command_fn, -}; -/* *INDENT-ON* */ - -/** CLI command to show LISP-GPE interfaces. */ -static clib_error_t * -lisp_show_iface_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - hash_pair_t *p; - - vlib_cli_output (vm, "%=10s%=12s", "vrf", "hw_if_index"); - - /* *INDENT-OFF* */ - hash_foreach_pair (p, lgm->l3_ifaces.hw_if_index_by_dp_table, ({ - vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]); - })); - /* *INDENT-ON* */ - - if (0 != lgm->l2_ifaces.hw_if_index_by_dp_table) - { - vlib_cli_output (vm, "%=10s%=12s", "bd_id", "hw_if_index"); - /* *INDENT-OFF* */ - hash_foreach_pair (p, lgm->l2_ifaces.hw_if_index_by_dp_table, ({ - vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]); - })); - /* *INDENT-ON* */ - } - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (lisp_show_iface_command) = { - .path = "show gpe interface", - .short_help = "show gpe interface", - .function = lisp_show_iface_command_fn, -}; -/* *INDENT-ON* */ - -/** CLI command to show GPE fwd native route path. */ -static clib_error_t * -gpe_show_native_fwd_rpath_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - fib_route_path_t *rpath; - - if (vec_len (lgm->native_fwd_rpath[AF_IP4])) - { - vec_foreach (rpath, lgm->native_fwd_rpath[AF_IP4]) - { - vlib_cli_output (vm, "nh: %U fib_index %u sw_if_index %u", - format_ip46_address, &rpath->frp_addr, - IP46_TYPE_IP4, rpath->frp_fib_index, - rpath->frp_sw_if_index); - } - } - if (vec_len (lgm->native_fwd_rpath[AF_IP6])) - { - vec_foreach (rpath, lgm->native_fwd_rpath[AF_IP6]) - { - vlib_cli_output (vm, "nh: %U fib_index %u sw_if_index %u", - format_ip46_address, &rpath->frp_addr, IP46_TYPE_IP6, - rpath->frp_fib_index, rpath->frp_sw_if_index); - } - } - return 0; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gpe_show_native_fwd_rpath_command) = { - .path = "show gpe native-forward", - .short_help = "show gpe native-forward", - .function = gpe_show_native_fwd_rpath_command_fn, -}; -/* *INDENT-ON* */ - -void -gpe_update_native_fwd_path (u8 ip_version) -{ - lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main (); - lisp_gpe_fwd_entry_t *lfe; - fib_prefix_t fib_prefix; - u32 *lfei; - - vec_foreach (lfei, lgm->native_fwd_lfes[ip_version]) - { - lfe = pool_elt_at_index (lgm->lisp_fwd_entry_pool, lfei[0]); - ip_prefix_to_fib_prefix (&lfe->key->rmt.ippref, &fib_prefix); - fib_table_entry_update (lfe->eid_fib_index, &fib_prefix, FIB_SOURCE_LISP, - FIB_ENTRY_FLAG_NONE, - lgm->native_fwd_rpath[ip_version]); - } -} - -int -vnet_gpe_add_del_native_fwd_rpath (vnet_gpe_native_fwd_rpath_args_t * a) -{ - lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main (); - fib_route_path_t *rpath; - u8 ip_version; - - ip_version = a->rpath.frp_proto == DPO_PROTO_IP4 ? AF_IP4 : AF_IP6; - - if (a->is_add) - { - vec_add1 (lgm->native_fwd_rpath[ip_version], a->rpath); - } - else - { - vec_foreach (rpath, lgm->native_fwd_rpath[ip_version]) - { - if (!fib_route_path_cmp (rpath, &a->rpath)) - { - vec_del1 (lgm->native_fwd_rpath[ip_version], - rpath - lgm->native_fwd_rpath[ip_version]); - break; - } - } - } - gpe_update_native_fwd_path (ip_version); - return 0; -} - -/** - * CLI command to add action for native forward. - */ -static clib_error_t * -gpe_native_forward_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - vnet_main_t *vnm = vnet_get_main (); - unformat_input_t _line_input, *line_input = &_line_input; - vnet_api_error_t rv; - fib_route_path_t rpath; - u32 table_id = ~0; - vnet_gpe_native_fwd_rpath_args_t _a, *a = &_a; - u8 is_add = 1; - clib_error_t *error = 0; - - /* Get a line of input. */ - if (!unformat_user (input, unformat_line_input, line_input)) - return 0; - - clib_memset (&rpath, 0, sizeof (rpath)); - - while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (line_input, "table %d", &table_id)) - ; - else if (unformat (line_input, "del")) - is_add = 0; - else if (unformat (line_input, "via %U %U", - unformat_ip4_address, - &rpath.frp_addr.ip4, - unformat_vnet_sw_interface, vnm, - &rpath.frp_sw_if_index)) - { - rpath.frp_weight = 1; - rpath.frp_proto = DPO_PROTO_IP4; - } - else if (unformat (line_input, "via %U %U", - unformat_ip6_address, - &rpath.frp_addr.ip6, - unformat_vnet_sw_interface, vnm, - &rpath.frp_sw_if_index)) - { - rpath.frp_weight = 1; - rpath.frp_proto = DPO_PROTO_IP6; - } - else if (unformat (line_input, "via %U", - unformat_ip4_address, &rpath.frp_addr.ip4)) - { - rpath.frp_weight = 1; - rpath.frp_sw_if_index = ~0; - rpath.frp_proto = DPO_PROTO_IP4; - } - else if (unformat (line_input, "via %U", - unformat_ip6_address, &rpath.frp_addr.ip6)) - { - rpath.frp_weight = 1; - rpath.frp_sw_if_index = ~0; - rpath.frp_proto = DPO_PROTO_IP6; - } - else - { - return clib_error_return (0, "parse error: '%U'", - format_unformat_error, line_input); - } - } - - if ((u32) ~ 0 == table_id) - { - rpath.frp_fib_index = 0; - } - else - { - rpath.frp_fib_index = - fib_table_find (dpo_proto_to_fib (rpath.frp_proto), table_id); - if ((u32) ~ 0 == rpath.frp_fib_index) - { - error = clib_error_return (0, "Nonexistent table id %d", table_id); - goto done; - } - } - - a->rpath = rpath; - a->is_add = is_add; - - rv = vnet_gpe_add_del_native_fwd_rpath (a); - if (rv) - { - return clib_error_return (0, "Error: couldn't add path!"); - } - -done: - return error; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (gpe_native_forward_command) = { - .path = "gpe native-forward", - .short_help = "gpe native-forward [del] via <nh-ip-addr> [iface] " - "[table <table>]", - .function = gpe_native_forward_command_fn, -}; -/* *INDENT-ON* */ - -/** Format LISP-GPE status. */ -u8 * -format_vnet_lisp_gpe_status (u8 * s, va_list * args) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - return format (s, "%s", lgm->is_en ? "enabled" : "disabled"); -} - -/** LISP-GPE init function. */ -clib_error_t * -lisp_gpe_init (vlib_main_t * vm) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - clib_error_t *error = 0; - - if ((error = vlib_call_init_function (vm, ip_main_init))) - return error; - - if ((error = vlib_call_init_function (vm, ip4_lookup_init))) - return error; - - lgm->vnet_main = vnet_get_main (); - lgm->vlib_main = vm; - lgm->im4 = &ip4_main; - lgm->im6 = &ip6_main; - lgm->lm4 = &ip4_main.lookup_main; - lgm->lm6 = &ip6_main.lookup_main; - lgm->encap_mode = GPE_ENCAP_LISP; - - lgm->lisp_gpe_fwd_entries = - hash_create_mem (0, sizeof (lisp_gpe_fwd_entry_key_t), sizeof (uword)); - - lgm->lisp_stats_index_by_key = - hash_create_mem (0, sizeof (lisp_stats_key_t), sizeof (uword)); - clib_memset (&lgm->counters, 0, sizeof (lgm->counters)); - lgm->counters.name = "LISP counters"; - - return 0; -} - -gpe_encap_mode_t -vnet_gpe_get_encap_mode (void) -{ - lisp_gpe_main_t *lgm = &lisp_gpe_main; - return lgm->encap_mode; -} - -static clib_error_t * -lisp_gpe_test_send_nsh_packet (u8 * file_name) -{ - vlib_frame_t *f; - vlib_buffer_t *b; - lisp_gpe_main_t *lgm = vnet_lisp_gpe_get_main (); - pcap_main_t pm; - clib_error_t *error = 0; - - if (!file_name) - return clib_error_create ("no pcap file specified!"); - - clib_memset (&pm, 0, sizeof (pm)); - pm.file_name = (char *) file_name; - error = pcap_read (&pm); - if (error) - return error; - - u32 bi; - if (vlib_buffer_alloc (lgm->vlib_main, &bi, 1) != 1) - return clib_error_create ("cannot allocate memory!"); - - b = vlib_get_buffer (lgm->vlib_main, bi); - tunnel_lookup_t *nsh_ifaces = &lgm->nsh_ifaces; - uword *hip; - vnet_hw_interface_t *hi; - - hip = hash_get (nsh_ifaces->hw_if_index_by_dp_table, 0); - if (hip == 0) - return clib_error_create ("The NSH 0 interface doesn't exist"); - - hi = vnet_get_hw_interface (lgm->vnet_main, hip[0]); - - vnet_buffer (b)->sw_if_index[VLIB_TX] = hi->sw_if_index; - u8 *p = vlib_buffer_put_uninit (b, vec_len (pm.packets_read[0])); - clib_memcpy_fast (p, pm.packets_read[0], vec_len (pm.packets_read[0])); - vlib_buffer_pull (b, sizeof (ethernet_header_t)); - - vlib_node_t *n = vlib_get_node_by_name (lgm->vlib_main, - (u8 *) "interface-tx"); - f = vlib_get_frame_to_node (lgm->vlib_main, n->index); - u32 *to_next = vlib_frame_vector_args (f); - to_next[0] = bi; - f->n_vectors = 1; - vlib_put_frame_to_node (lgm->vlib_main, n->index, f); - - return error; -} - -static clib_error_t * -lisp_test_nsh_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - clib_error_t *error = 0; - u8 *file_name = 0; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "pcap %v", &file_name)) - { - error = lisp_gpe_test_send_nsh_packet (file_name); - goto done; - } - else - { - error = clib_error_create ("unknown input `%U'", - format_unformat_error, input); - goto done; - } - } - -done: - return error; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (lisp_test_nsh_command, static) = { - .path = "test one nsh", - .short_help = "test gpe nsh pcap <path-to-pcap-file>", - .function = lisp_test_nsh_command_fn, -}; -/* *INDENT-ON* */ - -VLIB_INIT_FUNCTION (lisp_gpe_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |