flow: support generic flow and RSS action in vapi

Add generic flow type and rss action type to vapi. It is to support
creating generic flow rule via vapi.

Type: feature

Signed-off-by: Ting Xu <ting.xu@intel.com>
Change-Id: Ifeaa007679487e02bd2903dc591d80a1caba33bc

1 files changed, 95 insertions, 0 deletions

diff --git a/src/vnet/flow/flow_api.c b/src/vnet/flow/flow_api.c
index 6f08f0314a4..0e25fb3017b 100644
--- a/src/vnet/flow/flow_api.c
+++ b/src/vnet/flow/flow_api.c
@@ -215,6 +215,16 @@ ipv4_gtpc_flow_convert (vl_api_flow_ip4_gtpc_t * vl_api_flow,
   f->teid = ntohl (vl_api_flow->teid);
 }
 
+static inline void
+generic_flow_convert (vl_api_flow_generic_t *vl_api_flow,
+		      vnet_flow_generic_t *f)
+{
+  clib_memcpy (f->pattern.spec, vl_api_flow->pattern.spec,
+	       sizeof (vl_api_flow->pattern.spec));
+  clib_memcpy (f->pattern.mask, vl_api_flow->pattern.mask,
+	       sizeof (vl_api_flow->pattern.mask));
+}
+
 static void
 vl_api_flow_add_t_handler (vl_api_flow_add_t * mp)
 {
@@ -298,6 +308,91 @@ out:
 }
 
 static void
+vl_api_flow_add_v2_t_handler (vl_api_flow_add_v2_t *mp)
+{
+  vl_api_flow_add_v2_reply_t *rmp;
+  int rv = 0;
+  vnet_flow_t flow;
+  u32 flow_index = ~0;
+  vl_api_flow_rule_v2_t *f = &mp->flow;
+
+  vnet_main_t *vnm = vnet_get_main ();
+
+  flow.type = ntohl (f->type);
+  flow.actions = ntohl (f->actions);
+  flow.mark_flow_id = ntohl (f->mark_flow_id);
+  flow.redirect_node_index = ntohl (f->redirect_node_index);
+  flow.redirect_device_input_next_index =
+    ntohl (f->redirect_device_input_next_index);
+  flow.redirect_queue = ntohl (f->redirect_queue);
+  flow.buffer_advance = ntohl (f->buffer_advance);
+  flow.queue_index = ntohl (f->queue_index);
+  flow.queue_num = ntohl (f->queue_num);
+  flow.rss_types = ntohl (f->rss_types);
+  flow.rss_fun = ntohl (f->rss_fun);
+
+  switch (flow.type)
+    {
+    case VNET_FLOW_TYPE_IP4:
+      ipv4_flow_convert (&f->flow.ip4, &flow.ip4);
+      break;
+    case VNET_FLOW_TYPE_IP6:
+      ipv6_flow_convert (&f->flow.ip6, &flow.ip6);
+      break;
+    case VNET_FLOW_TYPE_IP4_N_TUPLE:
+      ipv4_n_tuple_flow_convert (&f->flow.ip4_n_tuple, &flow.ip4_n_tuple);
+      break;
+    case VNET_FLOW_TYPE_IP6_N_TUPLE:
+      ipv6_n_tuple_flow_convert (&f->flow.ip6_n_tuple, &flow.ip6_n_tuple);
+      break;
+    case VNET_FLOW_TYPE_IP4_N_TUPLE_TAGGED:
+      ipv4_n_tuple_tagged_flow_convert (&f->flow.ip4_n_tuple_tagged,
+					&flow.ip4_n_tuple_tagged);
+      break;
+    case VNET_FLOW_TYPE_IP6_N_TUPLE_TAGGED:
+      ipv6_n_tuple_tagged_flow_convert (&f->flow.ip6_n_tuple_tagged,
+					&flow.ip6_n_tuple_tagged);
+      break;
+    case VNET_FLOW_TYPE_IP4_L2TPV3OIP:
+      ipv4_l2tpv3oip_flow_convert (&f->flow.ip4_l2tpv3oip,
+				   &flow.ip4_l2tpv3oip);
+      break;
+    case VNET_FLOW_TYPE_IP4_IPSEC_ESP:
+      ipv4_ipsec_esp_flow_convert (&f->flow.ip4_ipsec_esp,
+				   &flow.ip4_ipsec_esp);
+      break;
+    case VNET_FLOW_TYPE_IP4_IPSEC_AH:
+      ipv4_ipsec_ah_flow_convert (&f->flow.ip4_ipsec_ah, &flow.ip4_ipsec_ah);
+      break;
+    case VNET_FLOW_TYPE_IP4_VXLAN:
+      ipv4_vxlan_flow_convert (&f->flow.ip4_vxlan, &flow.ip4_vxlan);
+      break;
+    case VNET_FLOW_TYPE_IP6_VXLAN:
+      ipv6_vxlan_flow_convert (&f->flow.ip6_vxlan, &flow.ip6_vxlan);
+      break;
+    case VNET_FLOW_TYPE_IP4_GTPU:
+      ipv4_gtpu_flow_convert (&f->flow.ip4_gtpu, &flow.ip4_gtpu);
+      break;
+    case VNET_FLOW_TYPE_IP4_GTPC:
+      ipv4_gtpc_flow_convert (&f->flow.ip4_gtpc, &flow.ip4_gtpc);
+      break;
+    case VNET_FLOW_TYPE_GENERIC:
+      generic_flow_convert (&f->flow.generic, &flow.generic);
+      break;
+    default:
+      rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+      goto out;
+      break;
+    }
+
+  rv = vnet_flow_add (vnm, &flow, &flow_index);
+
+out:
+  REPLY_MACRO2 (VL_API_FLOW_ADD_V2_REPLY,
+		({ rmp->flow_index = ntohl (flow_index); }));
+}
+
+static void
 vl_api_flow_del_t_handler (vl_api_flow_del_t * mp)
 {
   vl_api_flow_add_reply_t *rmp;