From 595992c5c3b5abbdb7e90e61acbee212f25ad59f Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 6 Nov 2017 17:17:08 -0800 Subject: [PATCH] ip: add container proxy api Change-Id: Id324a757517f85973097e20e2eb88d64ae0e931b Signed-off-by: Florin Coras --- src/vat/api_format.c | 62 ++++++++++++++++++++- src/vnet/ip/ip.api | 11 ++++ src/vnet/ip/ip_api.c | 26 ++++++++- src/vnet/ip/lookup.c | 139 +++++++++++++++++++++++++++++++++++++++------- src/vnet/ip/lookup.h | 10 ++++ src/vpp/api/custom_dump.c | 17 ++++++ 6 files changed, 243 insertions(+), 22 deletions(-) diff --git a/src/vat/api_format.c b/src/vat/api_format.c index c972c192db3..0651be97c62 100644 --- a/src/vat/api_format.c +++ b/src/vat/api_format.c @@ -5305,7 +5305,8 @@ _(tcp_configure_src_addresses_reply) \ _(app_namespace_add_del_reply) \ _(dns_enable_disable_reply) \ _(dns_name_server_add_del_reply) \ -_(session_rule_add_del_reply) +_(session_rule_add_del_reply) \ +_(ip_container_proxy_add_del_reply) #define _(n) \ static void vl_api_##n##_t_handler \ @@ -5627,7 +5628,8 @@ _(DNS_NAME_SERVER_ADD_DEL_REPLY, dns_name_server_add_del_reply) \ _(DNS_RESOLVE_NAME_REPLY, dns_resolve_name_reply) \ _(DNS_RESOLVE_IP_REPLY, dns_resolve_ip_reply) \ _(SESSION_RULE_ADD_DEL_REPLY, session_rule_add_del_reply) \ -_(SESSION_RULES_DETAILS, session_rules_details) +_(SESSION_RULES_DETAILS, session_rules_details) \ +_(IP_CONTAINER_PROXY_ADD_DEL_REPLY, ip_container_proxy_add_del_reply) \ #define foreach_standalone_reply_msg \ _(SW_INTERFACE_EVENT, sw_interface_event) \ @@ -21747,6 +21749,61 @@ api_session_rules_dump (vat_main_t * vam) return ret; } +static int +api_ip_container_proxy_add_del (vat_main_t * vam) +{ + vl_api_ip_container_proxy_add_del_t *mp; + unformat_input_t *i = vam->input; + u32 plen = ~0, sw_if_index = ~0; + ip4_address_t ip4; + ip6_address_t ip6; + u8 is_ip4 = 1; + u8 is_add = 1; + int ret; + + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "del")) + is_add = 0; + else if (unformat (i, "add")) + ; + if (unformat (i, "%U", unformat_ip4_address, &ip4)) + { + is_ip4 = 1; + plen = 32; + } + else if (unformat (i, "%U", unformat_ip6_address, &ip6)) + { + is_ip4 = 0; + plen = 128; + } + else if (unformat (i, "sw_if_index %u", &sw_if_index)) + ; + else + break; + } + if (sw_if_index == ~0 || plen == ~0) + { + errmsg ("address and sw_if_index must be set"); + return -99; + } + + M (IP_CONTAINER_PROXY_ADD_DEL, mp); + + mp->is_ip4 = is_ip4; + mp->sw_if_index = clib_host_to_net_u32 (sw_if_index); + mp->plen = plen; + mp->is_add = is_add; + if (is_ip4) + clib_memcpy (mp->ip, &ip4, sizeof (ip4)); + else + clib_memcpy (mp->ip, &ip6, sizeof (ip6)); + + S (mp); + W (ret); + return ret; +} + static int q_or_quit (vat_main_t * vam) { @@ -22558,6 +22615,7 @@ _(dns_resolve_name, "") \ _(session_rule_add_del, "[add|del] proto / " \ " / action ") \ _(session_rules_dump, "") \ +_(ip_container_proxy_add_del, "[add|del]
") \ /* List of command functions, CLI names map directly to functions */ #define foreach_cli_function \ diff --git a/src/vnet/ip/ip.api b/src/vnet/ip/ip.api index 67258ee4fe9..df3ae9646c4 100644 --- a/src/vnet/ip/ip.api +++ b/src/vnet/ip/ip.api @@ -584,6 +584,17 @@ autoreply define ip_punt_redirect u8 nh[16]; }; +autoreply define ip_container_proxy_add_del +{ + u32 client_index; + u32 context; + u8 ip[16]; + u8 is_ip4; + u8 plen; + u32 sw_if_index; + u8 is_add; +}; + /* * Local Variables: * eval: (c-set-style "gnu") diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c index 4b7af3bc62d..fad518f18a5 100644 --- a/src/vnet/ip/ip_api.c +++ b/src/vnet/ip/ip_api.c @@ -79,7 +79,8 @@ _(IP6ND_PROXY_ADD_DEL, ip6nd_proxy_add_del) \ _(IP6ND_PROXY_DUMP, ip6nd_proxy_dump) \ _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \ _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \ - sw_interface_ip6_set_link_local_address) + sw_interface_ip6_set_link_local_address) \ +_(IP_CONTAINER_PROXY_ADD_DEL, ip_container_proxy_add_del ) extern void stats_dslock_with_hint (int hint, int tag); extern void stats_dsunlock (void); @@ -1849,6 +1850,29 @@ vl_api_mfib_signal_dump_t_handler (vl_api_mfib_signal_dump_t * mp) ; } +static void + vl_api_ip_container_proxy_add_del_t_handler + (vl_api_ip_container_proxy_add_del_t * mp) +{ + vl_api_ip_container_proxy_add_del_reply_t *rmp; + vnet_ip_container_proxy_args_t args; + int rv = 0; + clib_error_t *error; + + memset (&args, 0, sizeof (args)); + ip_set (&args.prefix.fp_addr, mp->ip, mp->is_ip4); + args.prefix.fp_len = mp->plen ? mp->plen : (mp->is_ip4 ? 32 : 128); + args.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index); + args.is_add = mp->is_add; + if ((error = vnet_ip_container_proxy_add_del (&args))) + { + rv = clib_error_get_code (error); + clib_error_report (error); + } + + REPLY_MACRO (VL_API_IP_CONTAINER_PROXY_ADD_DEL_REPLY); +} + #define vl_msg_name_crc_list #include #undef vl_msg_name_crc_list diff --git a/src/vnet/ip/lookup.c b/src/vnet/ip/lookup.c index 61350b4f0d8..3d5dc36c9a0 100644 --- a/src/vnet/ip/lookup.c +++ b/src/vnet/ip/lookup.c @@ -1434,6 +1434,64 @@ VLIB_CLI_COMMAND (ip_probe_neighbor_command, static) = { }; /* *INDENT-ON* */ +clib_error_t * +vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t * args) +{ + u32 fib_index; + + if (!vnet_sw_interface_is_api_valid (vnet_get_main (), args->sw_if_index)) + return clib_error_return_code (0, VNET_API_ERROR_INVALID_INTERFACE, 0, + "invalid sw_if_index"); + + fib_index = fib_table_get_table_id_for_sw_if_index (args->prefix.fp_proto, + args->sw_if_index); + if (args->is_add) + { + dpo_id_t proxy_dpo = DPO_INVALID; + l3_proxy_dpo_add_or_lock (fib_proto_to_dpo (args->prefix.fp_proto), + args->sw_if_index, &proxy_dpo); + fib_table_entry_special_dpo_add (fib_index, + &args->prefix, + FIB_SOURCE_PROXY, + FIB_ENTRY_FLAG_EXCLUSIVE, &proxy_dpo); + dpo_reset (&proxy_dpo); + } + else + { + fib_table_entry_special_remove (fib_index, &args->prefix, + FIB_SOURCE_PROXY); + } + return 0; +} + +u8 +ip_container_proxy_is_set (fib_prefix_t * pfx, u32 sw_if_index) +{ + u32 fib_index; + fib_node_index_t fei; + const dpo_id_t *dpo; + l3_proxy_dpo_t *l3p; + load_balance_t *lb0; + + fib_index = fib_table_get_table_id_for_sw_if_index (pfx->fp_proto, + sw_if_index); + if (fib_index == ~0) + return 0; + + fei = fib_table_lookup_exact_match (fib_index, pfx); + if (fei == FIB_NODE_INDEX_INVALID) + return 0; + + dpo = fib_entry_contribute_ip_forwarding (fei); + lb0 = load_balance_get (dpo->dpoi_index); + dpo = load_balance_get_bucket_i (lb0, 0); + if (dpo->dpoi_type != DPO_L3_PROXY) + return 0; + + l3p = l3_proxy_dpo_get (dpo->dpoi_index); + return (l3p->l3p_sw_if_index == sw_if_index); +} + clib_error_t * ip_container_cmd (vlib_main_t * vm, unformat_input_t * main_input, vlib_cli_command_t * cmd) @@ -1443,7 +1501,6 @@ ip_container_cmd (vlib_main_t * vm, u32 is_del; vnet_main_t *vnm; - u32 fib_index; u32 sw_if_index; vnm = vnet_get_main (); @@ -1482,24 +1539,13 @@ ip_container_cmd (vlib_main_t * vm, return (clib_error_return (0, "no interface")); } - fib_index = fib_table_get_table_id_for_sw_if_index (pfx.fp_proto, - sw_if_index); - - if (is_del) - fib_table_entry_special_remove (fib_index, &pfx, FIB_SOURCE_PROXY); - else - { - dpo_id_t proxy_dpo = DPO_INVALID; - - l3_proxy_dpo_add_or_lock (fib_proto_to_dpo (pfx.fp_proto), - sw_if_index, &proxy_dpo); - - fib_table_entry_special_dpo_add (fib_index, - &pfx, - FIB_SOURCE_PROXY, - FIB_ENTRY_FLAG_EXCLUSIVE, &proxy_dpo); - } - + vnet_ip_container_proxy_args_t args = { + .prefix = pfx, + .sw_if_index = sw_if_index, + .is_add = !is_del, + }; + vnet_ip_container_proxy_add_del (&args); + unformat_free (line_input); return (NULL); } @@ -1512,6 +1558,61 @@ VLIB_CLI_COMMAND (ip_container_command_node, static) = { }; /* *INDENT-ON* */ +clib_error_t * +show_ip_container_cmd_fn (vlib_main_t * vm, unformat_input_t * main_input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + vnet_main_t *vnm = vnet_get_main (); + fib_prefix_t pfx; + u32 sw_if_index = ~0; + u8 has_proxy; + + if (!unformat_user (main_input, unformat_line_input, line_input)) + return 0; + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "%U", unformat_ip4_address, &pfx.fp_addr.ip4)) + { + pfx.fp_proto = FIB_PROTOCOL_IP4; + pfx.fp_len = 32; + } + else if (unformat (line_input, "%U", + unformat_ip6_address, &pfx.fp_addr.ip6)) + { + pfx.fp_proto = FIB_PROTOCOL_IP6; + pfx.fp_len = 128; + } + else if (unformat (line_input, "%U", + unformat_vnet_sw_interface, vnm, &sw_if_index)) + ; + else + return (clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input)); + } + + if (~0 == sw_if_index) + { + vlib_cli_output (vm, "no interface"); + return (clib_error_return (0, "no interface")); + } + + has_proxy = ip_container_proxy_is_set (&pfx, sw_if_index); + vlib_cli_output (vm, "ip container proxy is: %s", has_proxy ? "on" : "off"); + + unformat_free (line_input); + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_ip_container_command, static) = { + .path = "show ip container", + .function = show_ip_container_cmd_fn, + .short_help = "show ip container
", + .is_mp_safe = 1, +}; +/* *INDENT-ON* */ + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h index 28a4bd8f755..a89546f5d92 100644 --- a/src/vnet/ip/lookup.h +++ b/src/vnet/ip/lookup.h @@ -211,6 +211,16 @@ do { \ } while (0) /* *INDENT-ON* */ +typedef struct _vnet_ip_container_proxy_args +{ + fib_prefix_t prefix; + u32 sw_if_index; + u8 is_add; +} vnet_ip_container_proxy_args_t; + +clib_error_t *vnet_ip_container_proxy_add_del (vnet_ip_container_proxy_args_t + * args); + void ip_lookup_init (ip_lookup_main_t * lm, u32 ip_lookup_node_index); #endif /* included_ip_lookup_h */ diff --git a/src/vpp/api/custom_dump.c b/src/vpp/api/custom_dump.c index 4ec19e50408..928ca76dc6e 100644 --- a/src/vpp/api/custom_dump.c +++ b/src/vpp/api/custom_dump.c @@ -3231,6 +3231,23 @@ static void *vl_api_session_rule_add_del_t_print FINISH; } +static void *vl_api_ip_container_proxy_add_del_t_print + (vl_api_ip_container_proxy_add_del_t * mp, void *handle) +{ + u8 *s; + s = format (0, "SCRIPT: ip_container_proxy_add_del "); + if (mp->is_ip4) + s = format (s, "is_add %d address %U/%d sw_if_index %d", + mp->is_add, format_ip4_address, + (ip4_address_t *) mp->ip, mp->plen, mp->sw_if_index); + else + s = format (s, "is_add %d address %U/%d sw_if_index %d", + mp->is_add, format_ip6_address, + (ip6_address_t *) mp->ip, mp->plen, mp->sw_if_index); + FINISH; +} + + #define foreach_custom_print_no_arg_function \ _(lisp_eid_table_vni_dump) \ _(lisp_map_resolver_dump) \ -- 2.16.6