diff options
Diffstat (limited to 'src/vnet/pg')
| -rw-r--r-- | src/vnet/pg/pg.api | 84 | ||||
| -rw-r--r-- | src/vnet/pg/pg_api.c | 185 |
2 files changed, 269 insertions, 0 deletions
diff --git a/src/vnet/pg/pg.api b/src/vnet/pg/pg.api new file mode 100644 index 00000000000..46c9645b2c5 --- /dev/null +++ b/src/vnet/pg/pg.api @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2015-2016 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 + + This file defines packet-generator interface APIs. +*/ + +vl_api_version 1.0.0 + +/** \brief PacketGenerator create interface request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param interface_id - interface index +*/ +define pg_create_interface +{ + u32 client_index; + u32 context; + u32 interface_id; +}; + +/** \brief PacketGenerator create interface response + @param context - sender context, to match reply w/ request + @param retval - return value for request +*/ +define pg_create_interface_reply +{ + u32 context; + i32 retval; + u32 sw_if_index; +}; + +/** \brief PacketGenerator capture packets on given interface request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param interface_id - pg interface index + @param is_enabled - 1 if enabling streams, 0 if disabling + @param count - number of packets to be captured + @param pcap_file - pacp file name to store captured packets +*/ +autoreply define pg_capture +{ + u32 client_index; + u32 context; + u32 interface_id; + u8 is_enabled; + u32 count; + u32 pcap_name_length; + u8 pcap_file_name[pcap_name_length]; +}; + +/** \brief Enable / disable packet generator request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param is_enabled - 1 if enabling streams, 0 if disabling + @param stream - stream name to be enable/disabled, if not specified handle all streams +*/ +autoreply define pg_enable_disable +{ + u32 client_index; + u32 context; + u8 is_enabled; + u32 stream_name_length; + u8 stream_name[stream_name_length]; +}; + +/* + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/pg/pg_api.c b/src/vnet/pg/pg_api.c new file mode 100644 index 00000000000..49b661e7dc4 --- /dev/null +++ b/src/vnet/pg/pg_api.c @@ -0,0 +1,185 @@ +/* + *------------------------------------------------------------------ + * pg_api.c - vnet pg 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/pg/pg.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_pg_api_msg \ +_(PG_CREATE_INTERFACE, pg_create_interface) \ +_(PG_CAPTURE, pg_capture) \ +_(PG_ENABLE_DISABLE, pg_enable_disable) + +extern void stats_dslock_with_hint (int hint, int tag); +extern void stats_dsunlock (void); + +static void +vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp) +{ + vl_api_pg_create_interface_reply_t *rmp; + int rv = 0; + + pg_main_t *pg = &pg_main; + u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id)); + pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id); + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY, + ({ + rmp->sw_if_index = ntohl(pi->sw_if_index); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp) +{ + vl_api_pg_capture_reply_t *rmp; + int rv = 0; + + vnet_main_t *vnm = vnet_get_main (); + vnet_interface_main_t *im = &vnm->interface_main; + vnet_hw_interface_t *hi = 0; + + u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0); + vec_terminate_c_string (intf_name); + u32 hw_if_index = ~0; + uword *p = hash_get_mem (im->hw_interface_by_name, intf_name); + if (p) + hw_if_index = *p; + vec_free (intf_name); + + if (hw_if_index != ~0) + { + pg_capture_args_t _a, *a = &_a; + + u32 len = ntohl (mp->pcap_name_length); + u8 *pcap_file_name = vec_new (u8, len); + clib_memcpy (pcap_file_name, mp->pcap_file_name, len); + + hi = vnet_get_sup_hw_interface (vnm, hw_if_index); + a->hw_if_index = hw_if_index; + a->dev_instance = hi->dev_instance; + a->is_enabled = mp->is_enabled; + a->pcap_file_name = pcap_file_name; + a->count = ntohl (mp->count); + + clib_error_t *e = pg_capture (a); + if (e) + { + clib_error_report (e); + rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE; + } + + vec_free (pcap_file_name); + } + REPLY_MACRO (VL_API_PG_CAPTURE_REPLY); +} + +static void +vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp) +{ + vl_api_pg_enable_disable_reply_t *rmp; + int rv = 0; + + pg_main_t *pg = &pg_main; + u32 stream_index = ~0; + + int is_enable = mp->is_enabled != 0; + u32 len = ntohl (mp->stream_name_length) - 1; + + if (len > 0) + { + u8 *stream_name = vec_new (u8, len); + clib_memcpy (stream_name, mp->stream_name, len); + uword *p = hash_get_mem (pg->stream_index_by_name, stream_name); + if (p) + stream_index = *p; + vec_free (stream_name); + } + + pg_enable_disable (stream_index, is_enable); + + REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY); +} + +#define vl_msg_name_crc_list +#include <vnet/pg/pg.api.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_pg; +#undef _ +} + +static clib_error_t * +pg_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_pg_api_msg; +#undef _ + + /* + * Set up the (msg_name, crc, message-id) table + */ + setup_message_id_table (am); + + return 0; +} + +VLIB_API_INIT_FUNCTION (pg_api_hookup); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |