From 595992c5c3b5abbdb7e90e61acbee212f25ad59f Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 6 Nov 2017 17:17:08 -0800 Subject: ip: add container proxy api Change-Id: Id324a757517f85973097e20e2eb88d64ae0e931b Signed-off-by: Florin Coras --- src/vnet/ip/lookup.c | 139 ++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 120 insertions(+), 19 deletions(-) (limited to 'src/vnet/ip/lookup.c') 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 * -- cgit 1.2.3-korg