af_xdp: create_api_v3 without namespace keyword

Namespace keyword is reverved c++ word, so it's not possible to include
vapi header for af_xdp plugin and use it.

Type: fix

Signed-off-by: Stanislav Zaikin <stanislav.zaikin@46labs.com>
Change-Id: I42a0e0a89ff2c407090d3c18c1bc5a5605ddf032

src/plugins/af_xdp/af_xdp.api

@@ -57,6 +57,7 @@ define af_xdp_create
   vl_api_af_xdp_flag_t flags [default=0];
   string prog[256];
   option vat_help = "<host-if linux-ifname> [name ifname] [rx-queue-size size] [tx-queue-size size] [num-rx-queues <num|all>] [prog pathname] [zero-copy|no-zero-copy] [no-syscall-lock]";
+  option deprecated;
 };
 
 /** \brief
@@ -88,6 +89,7 @@ define af_xdp_create_v2
   string prog[256];
   string namespace[64];
   option vat_help = "<host-if linux-ifname> [name ifname] [rx-queue-size size] [tx-queue-size size] [num-rx-queues <num|all>] [prog pathname] [netns ns] [zero-copy|no-zero-copy] [no-syscall-lock]";
+  option deprecated;
 };
 
 /** \brief
@@ -101,6 +103,7 @@ define af_xdp_create_reply
   u32 context;
   i32 retval;
   vl_api_interface_index_t sw_if_index;
+  option deprecated;
 };
 
 /** \brief
@@ -114,6 +117,7 @@ define af_xdp_create_v2_reply
   u32 context;
   i32 retval;
   vl_api_interface_index_t sw_if_index;
+  option deprecated;
 };
 
 /** \brief
@@ -122,6 +126,50 @@ define af_xdp_create_v2_reply
     @param sw_if_index - interface index
 */
 
+/** \brief
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param host_if - Linux netdev interface name
+    @param name - new af_xdp interface name (optional)
+    @param rxq_num - number of receive queues. 65535 can be used as special value to request all available queues (optional)
+    @param rxq_size - receive queue size (optional)
+    @param txq_size - transmit queue size (optional)
+    @param mode - operation mode (optional)
+    @param flags - flags (optional)
+    @param prog - eBPF program path (optional)
+    @param netns - netns of nic (optional)
+*/
+
+autoendian define af_xdp_create_v3
+{
+  u32 client_index;
+  u32 context;
+
+  string host_if[64];
+  string name[64];
+  u16 rxq_num [default=1];
+  u16 rxq_size [default=0];
+  u16 txq_size [default=0];
+  vl_api_af_xdp_mode_t mode [default=0];
+  vl_api_af_xdp_flag_t flags [default=0];
+  string prog[256];
+  string netns[64];
+  option vat_help = "<host-if linux-ifname> [name ifname] [rx-queue-size size] [tx-queue-size size] [num-rx-queues <num|all>] [prog pathname] [netns ns] [zero-copy|no-zero-copy] [no-syscall-lock]";
+};
+
+/** \brief
+    @param context - sender context, to match reply w/ request
+    @param retval - return value for request
+    @param sw_if_index - software index for the new af_xdp interface
+*/
+
+autoendian define af_xdp_create_v3_reply
+{
+  u32 context;
+  i32 retval;
+  vl_api_interface_index_t sw_if_index;
+};
+
 autoreply define af_xdp_delete
 {
   u32 client_index;

src/plugins/af_xdp/api.c

@@ -115,6 +115,38 @@ vl_api_af_xdp_create_v2_t_handler (vl_api_af_xdp_create_v2_t *mp)
   /* clang-format on */
 }
 
+static void
+vl_api_af_xdp_create_v3_t_handler (vl_api_af_xdp_create_v3_t *mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  af_xdp_main_t *rm = &af_xdp_main;
+  vl_api_af_xdp_create_v3_reply_t *rmp;
+  af_xdp_create_if_args_t args;
+  int rv;
+
+  clib_memset (&args, 0, sizeof (af_xdp_create_if_args_t));
+
+  args.linux_ifname = mp->host_if[0] ? (char *) mp->host_if : 0;
+  args.name = mp->name[0] ? (char *) mp->name : 0;
+  args.prog = mp->prog[0] ? (char *) mp->prog : 0;
+  args.netns = mp->netns[0] ? (char *) mp->netns : 0;
+  args.mode = af_xdp_api_mode (mp->mode);
+  args.flags = af_xdp_api_flags (mp->flags);
+  args.rxq_size = mp->rxq_size;
+  args.txq_size = mp->txq_size;
+  args.rxq_num = mp->rxq_num;
+
+  af_xdp_create_if (vm, &args);
+  rv = args.rv;
+
+  /* clang-format off */
+  REPLY_MACRO2_END (VL_API_AF_XDP_CREATE_V3_REPLY,
+    ({
+      rmp->sw_if_index = args.sw_if_index;
+    }));
+  /* clang-format on */
+}
+
 static void
 vl_api_af_xdp_delete_t_handler (vl_api_af_xdp_delete_t * mp)
 {

src/plugins/af_xdp/test_api.c

@@ -126,6 +126,40 @@ api_af_xdp_create_v2 (vat_main_t *vam)
   return ret;
 }
 
+/* af_xdp create v2 API */
+static int
+api_af_xdp_create_v3 (vat_main_t *vam)
+{
+  vl_api_af_xdp_create_v3_t *mp;
+  af_xdp_create_if_args_t args;
+  int ret;
+
+  if (!unformat_user (vam->input, unformat_af_xdp_create_if_args, &args))
+    {
+      clib_warning ("unknown input `%U'", format_unformat_error, vam->input);
+      return -99;
+    }
+
+  M (AF_XDP_CREATE, mp);
+
+  snprintf ((char *) mp->host_if, sizeof (mp->host_if), "%s",
+	    args.linux_ifname ?: "");
+  snprintf ((char *) mp->name, sizeof (mp->name), "%s", args.name ?: "");
+  snprintf ((char *) mp->netns, sizeof (mp->netns), "%s", args.netns ?: "");
+  mp->rxq_num = args.rxq_num;
+  mp->rxq_size = args.rxq_size;
+  mp->txq_size = args.txq_size;
+  mp->mode = api_af_xdp_mode (args.mode);
+  if (args.flags & AF_XDP_CREATE_FLAGS_NO_SYSCALL_LOCK)
+    mp->flags |= AF_XDP_API_FLAGS_NO_SYSCALL_LOCK;
+  snprintf ((char *) mp->prog, sizeof (mp->prog), "%s", args.prog ?: "");
+
+  S (mp);
+  W (ret);
+
+  return ret;
+}
+
 /* af_xdp-create reply handler */
 static void
 vl_api_af_xdp_create_reply_t_handler (vl_api_af_xdp_create_reply_t * mp)
@@ -162,6 +196,24 @@ vl_api_af_xdp_create_v2_reply_t_handler (vl_api_af_xdp_create_v2_reply_t *mp)
   vam->regenerate_interface_table = 1;
 }
 
+/* af_xdp-create v3 reply handler */
+static void
+vl_api_af_xdp_create_v3_reply_t_handler (vl_api_af_xdp_create_v2_reply_t *mp)
+{
+  vat_main_t *vam = af_xdp_test_main.vat_main;
+  i32 retval = mp->retval;
+
+  if (retval == 0)
+    {
+      fformat (vam->ofp, "created af_xdp with sw_if_index %d\n",
+	       mp->sw_if_index);
+    }
+
+  vam->retval = retval;
+  vam->result_ready = 1;
+  vam->regenerate_interface_table = 1;
+}
+
 /* af_xdp delete API */
 static int
 api_af_xdp_delete (vat_main_t * vam)