af_xdp: introduce to netns api

In some situation, we support to deploy vpp as per host
and handler packet in container, so we use xdp to redirect
the flow.

Type: improvement

Signed-off-by: arikachen <eaglesora@gmail.com>
Change-Id: Iab42d6a0abb2b330a284d519018a90aff2fa4371

1 files changed, 53 insertions, 0 deletions

diff --git a/src/plugins/af_xdp/test_api.c b/src/plugins/af_xdp/test_api.c
index 6dffa29bdd1..46ba6f100ee 100644
--- a/src/plugins/af_xdp/test_api.c
+++ b/src/plugins/af_xdp/test_api.c
@@ -91,6 +91,41 @@ api_af_xdp_create (vat_main_t * vam)
   return ret;
 }
 
+/* af_xdp create v2 API */
+static int
+api_af_xdp_create_v2 (vat_main_t *vam)
+{
+  vl_api_af_xdp_create_v2_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->namespace, sizeof (mp->namespace), "%s",
+	    args.netns ?: "");
+  mp->rxq_num = clib_host_to_net_u16 (args.rxq_num);
+  mp->rxq_size = clib_host_to_net_u16 (args.rxq_size);
+  mp->txq_size = clib_host_to_net_u16 (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)
@@ -109,6 +144,24 @@ vl_api_af_xdp_create_reply_t_handler (vl_api_af_xdp_create_reply_t * mp)
   vam->regenerate_interface_table = 1;
 }
 
+/* af_xdp-create v2 reply handler */
+static void
+vl_api_af_xdp_create_v2_reply_t_handler (vl_api_af_xdp_create_v2_reply_t *mp)
+{
+  vat_main_t *vam = af_xdp_test_main.vat_main;
+  i32 retval = ntohl (mp->retval);
+
+  if (retval == 0)
+    {
+      fformat (vam->ofp, "created af_xdp with sw_if_index %d\n",
+	       ntohl (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)