diff options
Diffstat (limited to 'src/vnet/span/span_api.c')
| -rw-r--r-- | src/vnet/span/span_api.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/vnet/span/span_api.c b/src/vnet/span/span_api.c new file mode 100644 index 00000000000..b4565663eb9 --- /dev/null +++ b/src/vnet/span/span_api.c @@ -0,0 +1,153 @@ +/* + *------------------------------------------------------------------ + * span_api.c - span mirroring api + * + * 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. + *------------------------------------------------------------------ + */ + +#include <vnet/vnet.h> +#include <vlibmemory/api.h> + +#include <vnet/interface.h> +#include <vnet/api_errno.h> +#include <vnet/span/span.h> + +#include <vnet/vnet_msg_enum.h> + +#define vl_typedefs /* define message structures */ +#include <vnet/vnet_all_api_h.h> +#undef vl_typedefs + +#define vl_endianfun /* define message structures */ +#include <vnet/vnet_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) +#define vl_printfun +#include <vnet/vnet_all_api_h.h> +#undef vl_printfun + +#include <vlibapi/api_helper_macros.h> + +#define foreach_vpe_api_msg \ +_(SW_INTERFACE_SPAN_ENABLE_DISABLE, sw_interface_span_enable_disable) \ +_(SW_INTERFACE_SPAN_DUMP, sw_interface_span_dump) \ + +static void + vl_api_sw_interface_span_enable_disable_t_handler + (vl_api_sw_interface_span_enable_disable_t * mp) +{ + vl_api_sw_interface_span_enable_disable_reply_t *rmp; + int rv; + + vlib_main_t *vm = vlib_get_main (); + + rv = span_add_delete_entry (vm, ntohl (mp->sw_if_index_from), + ntohl (mp->sw_if_index_to), mp->state); + + REPLY_MACRO (VL_API_SW_INTERFACE_SPAN_ENABLE_DISABLE_REPLY); +} + +static void +vl_api_sw_interface_span_dump_t_handler (vl_api_sw_interface_span_dump_t * mp) +{ + + unix_shared_memory_queue_t *q; + span_interface_t *si; + vl_api_sw_interface_span_details_t *rmp; + span_main_t *sm = &span_main; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (!q) + return; + + /* *INDENT-OFF* */ + vec_foreach (si, sm->interfaces) + if (si->num_rx_mirror_ports || si->num_tx_mirror_ports) + { + clib_bitmap_t *b; + u32 i; + b = clib_bitmap_dup_or (si->rx_mirror_ports, si->tx_mirror_ports); + clib_bitmap_foreach (i, b, ( + { + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SPAN_DETAILS); + rmp->context = mp->context; + + rmp->sw_if_index_from = htonl (si - sm->interfaces); + rmp->sw_if_index_to = htonl (i); + rmp->state = (u8) (clib_bitmap_get (si->rx_mirror_ports, i) + + clib_bitmap_get (si->tx_mirror_ports, i) * 2); + + vl_msg_api_send_shmem (q, (u8 *) & rmp); + })); + clib_bitmap_free (b); + } + /* *INDENT-ON* */ +} + +/* + * vpe_api_hookup + * Add vpe's API message handlers to the table. + * vlib has alread mapped shared memory and + * added the client registration handlers. + * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process() + */ +#define vl_msg_name_crc_list +#include <vnet/vnet_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (api_main_t * am) +{ +#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); + foreach_vl_msg_name_crc_span; +#undef _ +} + +static clib_error_t * +span_api_hookup (vlib_main_t * vm) +{ + api_main_t *am = &api_main; + +#define _(N,n) \ + vl_msg_api_set_handlers(VL_API_##N, #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_vpe_api_msg; +#undef _ + + /* + * Set up the (msg_name, crc, message-id) table + */ + setup_message_id_table (am); + + return 0; +} + +VLIB_API_INIT_FUNCTION (span_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |