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/ip.api | 11 ++++ src/vnet/ip/ip_api.c | 26 +++++++++- src/vnet/ip/lookup.c | 139 ++++++++++++++++++++++++++++++++++++++++++++------- src/vnet/ip/lookup.h | 10 ++++ 4 files changed, 166 insertions(+), 20 deletions(-) (limited to 'src/vnet/ip') 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 */ -- cgit 1.2.3-korg