diff options
| author |   Ole Troan <otroan@employees.org> | 2023-08-31 09:48:45 +0200 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2023-09-04 17:05:48 +0000 |
| commit | 8af78b8e360f12ffb9e347868a6e820bee618b81 (patch) | |
| tree | eca07b5a911ca30c9862105f856777464f1c68e9 /src/plugins/arping/arping_api.c | |
| parent | 34850e01876005422ba9523df5ae0400964e1c91 (diff) | |
arping: api to return responder mac address
The new arping_acd call includes the responders mac address in the reply.
Enabling a client doing address conflict detection to identify if it
is itself that is replying or that it is another host uses the IP
address.
Type: feature
Change-Id: Ia4bab2af1086f06ed71ba42e2e07368d4e330a27
Signed-off-by: Ole Troan <otroan@employees.org>
Diffstat (limited to 'src/plugins/arping/arping_api.c')
| -rw-r--r-- | src/plugins/arping/arping_api.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/plugins/arping/arping_api.c b/src/plugins/arping/arping_api.c index 50fbb04115b..1b3431f2f39 100644 --- a/src/plugins/arping/arping_api.c +++ b/src/plugins/arping/arping_api.c @@ -26,6 +26,7 @@ #include <vlibapi/api.h> #include <vlibmemory/api.h> +#include <vnet/ethernet/ethernet_types_api.h> /* define message IDs */ #include <arping/arping.api_enum.h> @@ -62,6 +63,36 @@ vl_api_arping_t_handler (vl_api_arping_t *mp) ({ rmp->reply_count = ntohl (args.reply_count); })); } +static void +vl_api_arping_acd_t_handler (vl_api_arping_acd_t *mp) +{ + vlib_main_t *vm = vlib_get_main (); + arping_main_t *am = &arping_main; + vl_api_arping_acd_reply_t *rmp; + arping_args_t args = { 0 }; + int rv; + + if (mp->sw_if_index != ~0) + VALIDATE_SW_IF_INDEX (mp); + + ip_address_decode2 (&mp->address, &args.address); + args.interval = clib_net_to_host_f64 (mp->interval); + args.repeat = ntohl (mp->repeat); + args.is_garp = mp->is_garp; + args.sw_if_index = ntohl (mp->sw_if_index); + args.silence = 1; + + arping_run_command (vm, &args); + rv = args.rv; + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO2 (VL_API_ARPING_ACD_REPLY, ({ + rmp->reply_count = ntohl (args.reply_count); + mac_address_encode (&args.recv.from4.mac, rmp->mac_address); + })); +} + /* set tup the API message handling tables */ #include <arping/arping.api.c> clib_error_t * @@ -75,6 +106,7 @@ arping_plugin_api_hookup (vlib_main_t *vm) /* Mark API as mp safe */ vl_api_set_msg_thread_safe (vam, am->msg_id_base + VL_API_ARPING, 1); + vl_api_set_msg_thread_safe (vam, am->msg_id_base + VL_API_ARPING_ACD, 1); return 0; } |