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authorDave Barach <dave@barachs.net>2017-09-10 15:04:27 -0400
committerDamjan Marion <dmarion.lists@gmail.com>2017-10-03 11:03:47 +0000
commit59b2565cd91a67ced650739f36129650830211ac (patch)
tree1ae3b8d69d7952500b07186169fb31e0f72ae04e /src/vat/api_format.c
parent35ffa3e8f6b032f6e324234d495f769049d8feea (diff)
Repair vlib API socket server
- Teach vpp_api_test to send/receive API messages over sockets - Add memfd-based shared memory - Add api messages to create memfd-based shared memory segments - vpp_api_test supports both socket and shared memory segment connections - vpp_api_test pivot from socket to shared memory API messaging - add socket client support to libvlibclient.so - dead client reaper sends ping messages, container-friendly - dead client reaper falls back to kill (<pid>, 0) live checking if e.g. a python app goes silent for tens of seconds - handle ping messages in python client support code - teach show api ring about pairwise shared-memory segments - fix ip probing of already resolved destinations (VPP-998) We'll need this work to implement proper host-stack client isolation Change-Id: Ic23b65f75c854d0393d9a2e9d6b122a9551be769 Signed-off-by: Dave Barach <dave@barachs.net> Signed-off-by: Dave Wallace <dwallacelf@gmail.com> Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vat/api_format.c')
-rw-r--r--src/vat/api_format.c370
1 files changed, 254 insertions, 116 deletions
diff --git a/src/vat/api_format.c b/src/vat/api_format.c
index 02300216e4a..1010a0570b7 100644
--- a/src/vat/api_format.c
+++ b/src/vat/api_format.c
@@ -18,9 +18,10 @@
*/
#include <vat/vat.h>
+#include <vppinfra/socket.h>
+#include <svm/memfd.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
#include <vnet/ip/ip.h>
#include <vnet/l2/l2_input.h>
#include <vnet/l2tp/l2tp.h>
@@ -73,6 +74,36 @@
#define __plugin_msg_base 0
#include <vlibapi/vat_helper_macros.h>
+#if VPP_API_TEST_BUILTIN == 0
+#include <netdb.h>
+
+u32
+vl (void *p)
+{
+ return vec_len (p);
+}
+
+int
+vat_socket_connect (vat_main_t * vam)
+{
+ return vl_socket_client_connect
+ (&vam->socket_client_main, (char *) vam->socket_name,
+ "vpp_api_test(s)", 0 /* default socket rx, tx buffer */ );
+}
+#else /* vpp built-in case, we don't do sockets... */
+int
+vat_socket_connect (vat_main_t * vam)
+{
+ return 0;
+}
+
+void
+vl_socket_client_read_reply (socket_client_main_t * scm)
+{
+};
+#endif
+
+
f64
vat_time_now (vat_main_t * vam)
{
@@ -1036,9 +1067,17 @@ vl_api_cli_inband_reply_t_handler (vl_api_cli_inband_reply_t * mp)
{
vat_main_t *vam = &vat_main;
i32 retval = ntohl (mp->retval);
+ u32 length = ntohl (mp->length);
+
+ vec_reset_length (vam->cmd_reply);
vam->retval = retval;
- vam->cmd_reply = mp->reply;
+ if (retval == 0)
+ {
+ vec_validate (vam->cmd_reply, length);
+ clib_memcpy ((char *) (vam->cmd_reply), mp->reply, length);
+ vam->cmd_reply[length] = 0;
+ }
vam->result_ready = 1;
}
@@ -1048,6 +1087,8 @@ vl_api_cli_inband_reply_t_handler_json (vl_api_cli_inband_reply_t * mp)
vat_main_t *vam = &vat_main;
vat_json_node_t node;
+ vec_reset_length (vam->cmd_reply);
+
vat_json_init_object (&node);
vat_json_object_add_int (&node, "retval", ntohl (mp->retval));
vat_json_object_add_string_copy (&node, "reply", mp->reply);
@@ -1421,6 +1462,7 @@ static void vl_api_control_ping_reply_t_handler
vam->retval = retval;
vam->result_ready = 1;
}
+ vam->socket_client_main.control_pings_outstanding--;
}
static void vl_api_control_ping_reply_t_handler_json
@@ -1979,6 +2021,130 @@ static void vl_api_create_vhost_user_if_reply_t_handler_json
vam->result_ready = 1;
}
+static clib_error_t *
+receive_fd_msg (int socket_fd, int *my_fd)
+{
+ char msgbuf[16];
+ char ctl[CMSG_SPACE (sizeof (int)) + CMSG_SPACE (sizeof (struct ucred))];
+ struct msghdr mh = { 0 };
+ struct iovec iov[1];
+ ssize_t size;
+ struct ucred *cr = 0;
+ struct cmsghdr *cmsg;
+ pid_t pid __attribute__ ((unused));
+ uid_t uid __attribute__ ((unused));
+ gid_t gid __attribute__ ((unused));
+
+ iov[0].iov_base = msgbuf;
+ iov[0].iov_len = 5;
+ mh.msg_iov = iov;
+ mh.msg_iovlen = 1;
+ mh.msg_control = ctl;
+ mh.msg_controllen = sizeof (ctl);
+
+ memset (ctl, 0, sizeof (ctl));
+
+ /* receive the incoming message */
+ size = recvmsg (socket_fd, &mh, 0);
+ if (size != 5)
+ {
+ return (size == 0) ? clib_error_return (0, "disconnected") :
+ clib_error_return_unix (0, "recvmsg: malformed message (fd %d)",
+ socket_fd);
+ }
+
+ cmsg = CMSG_FIRSTHDR (&mh);
+ while (cmsg)
+ {
+ if (cmsg->cmsg_level == SOL_SOCKET)
+ {
+ if (cmsg->cmsg_type == SCM_CREDENTIALS)
+ {
+ cr = (struct ucred *) CMSG_DATA (cmsg);
+ uid = cr->uid;
+ gid = cr->gid;
+ pid = cr->pid;
+ }
+ else if (cmsg->cmsg_type == SCM_RIGHTS)
+ {
+ clib_memcpy (my_fd, CMSG_DATA (cmsg), sizeof (int));
+ }
+ }
+ cmsg = CMSG_NXTHDR (&mh, cmsg);
+ }
+ return 0;
+}
+
+static void vl_api_memfd_segment_create_reply_t_handler
+ (vl_api_memfd_segment_create_reply_t * mp)
+{
+ /* Dont bother in the builtin version */
+#if VPP_API_TEST_BUILTIN == 0
+ vat_main_t *vam = &vat_main;
+ api_main_t *am = &api_main;
+ socket_client_main_t *scm = &vam->socket_client_main;
+ int my_fd = -1;
+ clib_error_t *error;
+ memfd_private_t memfd;
+ i32 retval = ntohl (mp->retval);
+
+ if (retval == 0)
+ {
+ error = receive_fd_msg (scm->socket_fd, &my_fd);
+ if (error)
+ {
+ retval = -99;
+ goto out;
+ }
+
+ memset (&memfd, 0, sizeof (memfd));
+ memfd.fd = my_fd;
+
+ vam->client_index_invalid = 1;
+
+ retval = memfd_slave_init (&memfd);
+ if (retval)
+ clib_warning ("WARNING: segment map returned %d", retval);
+
+ /* Pivot to the memory client segment that vpp just created */
+
+ am->vlib_rp = (void *) (memfd.requested_va + MMAP_PAGESIZE);
+
+ am->shmem_hdr = (void *) am->vlib_rp->user_ctx;
+
+ vl_client_install_client_message_handlers ();
+
+ vl_client_connect_to_vlib_no_map ("pvt",
+ "vpp_api_test(p)",
+ 32 /* input_queue_length */ );
+ if (close (my_fd) < 0)
+ clib_unix_warning ("close memfd fd pivot");
+ vam->vl_input_queue = am->shmem_hdr->vl_input_queue;
+
+ vl_socket_client_enable_disable (&vam->socket_client_main,
+ 0 /* disable socket */ );
+ }
+
+out:
+ if (vam->async_mode)
+ {
+ vam->async_errors += (retval < 0);
+ }
+ else
+ {
+ vam->retval = retval;
+ vam->result_ready = 1;
+ }
+#endif
+}
+
+static void vl_api_memfd_segment_create_reply_t_handler_json
+ (vl_api_memfd_segment_create_reply_t * mp)
+{
+ clib_warning ("no");
+}
+
+
static void vl_api_ip_address_details_t_handler
(vl_api_ip_address_details_t * mp)
{
@@ -5223,7 +5389,8 @@ _(VNET_INTERFACE_COMBINED_COUNTERS, vnet_interface_combined_counters) \
_(VNET_IP4_FIB_COUNTERS, vnet_ip4_fib_counters) \
_(VNET_IP6_FIB_COUNTERS, vnet_ip6_fib_counters) \
_(VNET_IP4_NBR_COUNTERS, vnet_ip4_nbr_counters) \
-_(VNET_IP6_NBR_COUNTERS, vnet_ip6_nbr_counters)
+_(VNET_IP6_NBR_COUNTERS, vnet_ip6_nbr_counters) \
+_(MEMFD_SEGMENT_CREATE_REPLY, memfd_segment_create_reply)
typedef struct
{
@@ -5597,76 +5764,9 @@ dump_stats_table (vat_main_t * vam)
return 0;
}
-int
-exec (vat_main_t * vam)
-{
- api_main_t *am = &api_main;
- vl_api_cli_t *mp;
- f64 timeout;
- void *oldheap;
- u8 *cmd = 0;
- unformat_input_t *i = vam->input;
-
- if (vec_len (i->buffer) == 0)
- return -1;
-
- if (vam->exec_mode == 0 && unformat (i, "mode"))
- {
- vam->exec_mode = 1;
- return 0;
- }
- if (vam->exec_mode == 1 && (unformat (i, "exit") || unformat (i, "quit")))
- {
- vam->exec_mode = 0;
- return 0;
- }
-
-
- M (CLI, mp);
-
- /*
- * Copy cmd into shared memory.
- * In order for the CLI command to work, it
- * must be a vector ending in \n, not a C-string ending
- * in \n\0.
- */
- pthread_mutex_lock (&am->vlib_rp->mutex);
- oldheap = svm_push_data_heap (am->vlib_rp);
-
- vec_validate (cmd, vec_len (vam->input->buffer) - 1);
- clib_memcpy (cmd, vam->input->buffer, vec_len (vam->input->buffer));
-
- svm_pop_heap (oldheap);
- pthread_mutex_unlock (&am->vlib_rp->mutex);
-
- mp->cmd_in_shmem = pointer_to_uword (cmd);
- S (mp);
- timeout = vat_time_now (vam) + 10.0;
-
- while (vat_time_now (vam) < timeout)
- {
- if (vam->result_ready == 1)
- {
- u8 *free_me;
- if (vam->shmem_result != NULL)
- print (vam->ofp, "%s", vam->shmem_result);
- pthread_mutex_lock (&am->vlib_rp->mutex);
- oldheap = svm_push_data_heap (am->vlib_rp);
-
- free_me = (u8 *) vam->shmem_result;
- vec_free (free_me);
-
- svm_pop_heap (oldheap);
- pthread_mutex_unlock (&am->vlib_rp->mutex);
- return 0;
- }
- }
- return -99;
-}
-
/*
- * Future replacement of exec() that passes CLI buffers directly in
- * the API messages instead of an additional shared memory area.
+ * Pass CLI buffers directly in the CLI_INBAND API message,
+ * instead of an additional shared memory area.
*/
static int
exec_inband (vat_main_t * vam)
@@ -5700,10 +5800,19 @@ exec_inband (vat_main_t * vam)
mp->length = htonl (len);
S (mp);
- W2 (ret, print (vam->ofp, "%s", vam->cmd_reply));
+ W (ret);
+ /* json responses may or may not include a useful reply... */
+ if (vec_len (vam->cmd_reply))
+ print (vam->ofp, (char *) (vam->cmd_reply));
return ret;
}
+int
+exec (vat_main_t * vam)
+{
+ return exec_inband (vam);
+}
+
static int
api_create_loopback (vat_main_t * vam)
{
@@ -5949,7 +6058,7 @@ api_sw_interface_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -6526,7 +6635,7 @@ api_bridge_domain_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -6793,7 +6902,7 @@ api_l2fib_add_del (vat_main_t * vam)
/* Shut off async mode */
vam->async_mode = 0;
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
timeout = vat_time_now (vam) + 1.0;
@@ -7565,7 +7674,7 @@ api_ip_add_del_route (vat_main_t * vam)
/* Shut off async mode */
vam->async_mode = 0;
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
timeout = vat_time_now (vam) + 1.0;
@@ -7954,7 +8063,7 @@ api_mpls_route_add_del (vat_main_t * vam)
/* Shut off async mode */
vam->async_mode = 0;
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
timeout = vat_time_now (vam) + 1.0;
@@ -8864,7 +8973,7 @@ api_dhcp_proxy_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -9216,7 +9325,7 @@ api_ip6nd_proxy_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -11552,7 +11661,7 @@ api_sw_if_l2tpv3_tunnel_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -11600,7 +11709,7 @@ api_sw_interface_tap_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -11875,7 +11984,7 @@ api_vxlan_tunnel_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -12066,7 +12175,7 @@ api_gre_tunnel_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -12422,7 +12531,7 @@ api_sw_interface_vhost_user_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -12697,7 +12806,7 @@ api_vxlan_gpe_tunnel_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -12782,7 +12891,7 @@ api_l2_fib_table_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -13050,7 +13159,7 @@ api_ip_address_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -13106,7 +13215,7 @@ api_ip_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -14485,7 +14594,7 @@ api_map_domain_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -14524,7 +14633,7 @@ api_map_rule_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -16920,7 +17029,7 @@ api_one_locator_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -16970,7 +17079,7 @@ api_one_locator_set_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17028,7 +17137,7 @@ api_one_eid_table_map_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17056,7 +17165,7 @@ api_one_eid_table_vni_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17164,7 +17273,7 @@ api_one_eid_table_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17431,7 +17540,7 @@ api_one_map_server_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17458,7 +17567,7 @@ api_one_map_resolver_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17492,7 +17601,7 @@ api_one_stats_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17554,7 +17663,7 @@ api_lisp_gpe_fwd_entry_path_dump (vat_main_t * vam)
/* send it... */
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17803,7 +17912,7 @@ api_policer_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -17892,7 +18001,7 @@ api_policer_classify_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -18118,7 +18227,7 @@ api_mpls_tunnel_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18188,7 +18297,7 @@ api_mpls_fib_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18289,7 +18398,7 @@ api_ip_fib_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18307,7 +18416,7 @@ api_ip_mfib_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18398,7 +18507,7 @@ api_ip_neighbor_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18499,7 +18608,7 @@ api_ip6_fib_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18517,7 +18626,7 @@ api_ip6_mfib_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18632,7 +18741,7 @@ api_classify_session_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18766,7 +18875,7 @@ api_ipfix_classify_table_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -18957,7 +19066,7 @@ api_sw_interface_span_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -19458,7 +19567,7 @@ api_ipsec_gre_tunnel_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -19665,7 +19774,7 @@ api_flow_classify_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
/* Wait for a reply... */
@@ -19836,7 +19945,7 @@ api_l2_xconnect_dump (vat_main_t * vam)
S (mp);
/* Use a control ping for synchronization */
- M (CONTROL_PING, mp_ping);
+ MPING (CONTROL_PING, mp_ping);
S (mp_ping);
W (ret);
@@ -20141,6 +20250,34 @@ api_tcp_configure_src_addresses (vat_main_t * vam)
}
static int
+api_memfd_segment_create (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_memfd_segment_create_t *mp;
+ u64 size = 64 << 20;
+ int ret;
+
+#if VPP_API_TEST_BUILTIN == 1
+ errmsg ("memfd_segment_create (builtin) not supported");
+ return -99;
+#endif
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "size %U", unformat_memory_size, &size))
+ ;
+ else
+ break;
+ }
+
+ M (MEMFD_SEGMENT_CREATE, mp);
+ mp->requested_size = size;
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
q_or_quit (vat_main_t * vam)
{
#if VPP_API_TEST_BUILTIN == 0
@@ -20919,7 +21056,8 @@ _(p2p_ethernet_add, "<intfc> | sw_if_index <nn> remote_mac <mac-address> sub_id
_(p2p_ethernet_del, "<intfc> | sw_if_index <nn> remote_mac <mac-address>") \
_(lldp_config, "system-name <name> tx-hold <nn> tx-interval <nn>") \
_(sw_interface_set_lldp, "<intfc> | sw_if_index <nn> [port-desc <description>] [disable]") \
-_(tcp_configure_src_addresses, "<ip4|6>first-<ip4|6>last [vrf <id>]")
+_(tcp_configure_src_addresses, "<ip4|6>first-<ip4|6>last [vrf <id>]") \
+_(memfd_segment_create,"size <nnn>")
/* List of command functions, CLI names map directly to functions */
#define foreach_cli_function \