qos: migrate old MULTIARCH macros to VLIB_NODE_FN

Change-Id: I4dc77979594de0b6a21644ea0a982085c6386010
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

1 files changed, 383 insertions, 0 deletions

diff --git a/src/vnet/qos/qos_record_node.c b/src/vnet/qos/qos_record_node.c
new file mode 100644
index 00000000000..75e1421dc08
--- /dev/null
+++ b/src/vnet/qos/qos_record_node.c
@@ -0,0 +1,383 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/qos/qos_record.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ip/ip6_to_ip4.h>
+#include <vnet/feature/feature.h>
+#include <vnet/qos/qos_types.h>
+#include <vnet/l2/l2_input.h>
+#include <vnet/l2/feat_bitmap.h>
+
+extern u8 *qos_record_configs[QOS_N_SOURCES];
+extern u32 l2_qos_input_next[QOS_N_SOURCES][32];
+
+/**
+ * per-packet trace data
+ */
+typedef struct qos_record_trace_t_
+{
+  /* per-pkt trace data */
+  qos_bits_t bits;
+} qos_record_trace_t;
+
+/* packet trace format function */
+static u8 *
+format_qos_record_trace (u8 * s, va_list * args)
+{
+  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+  qos_record_trace_t *t = va_arg (*args, qos_record_trace_t *);
+
+  s = format (s, "qos:%d", t->bits);
+
+  return s;
+}
+
+static inline uword
+qos_record_inline (vlib_main_t * vm,
+		   vlib_node_runtime_t * node,
+		   vlib_frame_t * frame,
+		   qos_source_t qos_src, dpo_proto_t dproto, int is_l2)
+{
+  u32 n_left_from, *from, *to_next, next_index;
+
+  next_index = 0;
+  n_left_from = frame->n_vectors;
+  from = vlib_frame_vector_args (frame);
+
+  while (n_left_from > 0)
+    {
+      u32 n_left_to_next;
+
+      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+      while (n_left_from > 0 && n_left_to_next > 0)
+	{
+	  ip4_header_t *ip4_0;
+	  ip6_header_t *ip6_0;
+	  vlib_buffer_t *b0;
+	  u32 next0, bi0;
+	  qos_bits_t qos0;
+	  u8 l2_len;
+
+	  next0 = 0;
+	  bi0 = from[0];
+	  to_next[0] = bi0;
+	  from += 1;
+	  to_next += 1;
+	  n_left_from -= 1;
+	  n_left_to_next -= 1;
+
+	  b0 = vlib_get_buffer (vm, bi0);
+
+	  if (is_l2)
+	    {
+	      l2_len = vnet_buffer (b0)->l2.l2_len;
+	      u8 *l3h;
+	      u16 ethertype;
+
+	      vlib_buffer_advance (b0, l2_len);
+
+	      l3h = vlib_buffer_get_current (b0);
+	      ethertype = clib_net_to_host_u16 (*(u16 *) (l3h - 2));
+
+	      if (ethertype == ETHERNET_TYPE_IP4)
+		dproto = DPO_PROTO_IP4;
+	      else if (ethertype == ETHERNET_TYPE_IP6)
+		dproto = DPO_PROTO_IP6;
+	      else if (ethertype == ETHERNET_TYPE_MPLS)
+		dproto = DPO_PROTO_MPLS;
+	      else
+		goto non_ip;
+	    }
+
+	  if (DPO_PROTO_IP6 == dproto)
+	    {
+	      ip6_0 = vlib_buffer_get_current (b0);
+	      qos0 = ip6_traffic_class_network_order (ip6_0);
+	    }
+	  else if (DPO_PROTO_IP4 == dproto)
+	    {
+	      ip4_0 = vlib_buffer_get_current (b0);
+	      qos0 = ip4_0->tos;
+	    }
+	  else if (DPO_PROTO_ETHERNET == dproto)
+	    {
+	      ethernet_vlan_header_t *vlan0;
+
+	      vlan0 = (vlib_buffer_get_current (b0) -
+		       sizeof (ethernet_vlan_header_t));
+
+	      qos0 = ethernet_vlan_header_get_priority_net_order (vlan0);
+	    }
+	  else if (DPO_PROTO_MPLS)
+	    {
+	      mpls_unicast_header_t *mh;
+
+	      mh = vlib_buffer_get_current (b0);
+	      qos0 = vnet_mpls_uc_get_exp (mh->label_exp_s_ttl);
+	    }
+
+	  vnet_buffer2 (b0)->qos.bits = qos0;
+	  vnet_buffer2 (b0)->qos.source = qos_src;
+	  b0->flags |= VNET_BUFFER_F_QOS_DATA_VALID;
+
+	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
+			     (b0->flags & VLIB_BUFFER_IS_TRACED)))
+	    {
+	      qos_record_trace_t *t =
+		vlib_add_trace (vm, node, b0, sizeof (*t));
+	      t->bits = qos0;
+	    }
+
+	non_ip:
+	  if (is_l2)
+	    {
+	      vlib_buffer_advance (b0, -l2_len);
+	      next0 = vnet_l2_feature_next (b0,
+					    l2_qos_input_next[qos_src],
+					    L2INPUT_FEAT_L2_IP_QOS_RECORD);
+	    }
+	  else
+	    vnet_feature_next (&next0, b0);
+
+	  /* verify speculative enqueue, maybe switch current next frame */
+	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+					   to_next, n_left_to_next,
+					   bi0, next0);
+	}
+
+      vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+    }
+
+  return frame->n_vectors;
+}
+
+
+VLIB_NODE_FN (ip4_qos_record_node) (vlib_main_t * vm,
+				    vlib_node_runtime_t * node,
+				    vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_IP,
+			     DPO_PROTO_IP4, 0));
+}
+
+VLIB_NODE_FN (ip6_qos_record_node) (vlib_main_t * vm,
+				    vlib_node_runtime_t * node,
+				    vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_IP,
+			     DPO_PROTO_IP6, 0));
+}
+
+VLIB_NODE_FN (mpls_qos_record_node) (vlib_main_t * vm,
+				     vlib_node_runtime_t * node,
+				     vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_MPLS,
+			     DPO_PROTO_MPLS, 0));
+}
+
+VLIB_NODE_FN (vlan_ip4_qos_record_node) (vlib_main_t * vm,
+					 vlib_node_runtime_t * node,
+					 vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN,
+			     DPO_PROTO_ETHERNET, 0));
+}
+
+VLIB_NODE_FN (vlan_ip6_qos_record_node) (vlib_main_t * vm,
+					 vlib_node_runtime_t * node,
+					 vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN,
+			     DPO_PROTO_ETHERNET, 0));
+}
+
+VLIB_NODE_FN (vlan_mpls_qos_record_node) (vlib_main_t * vm,
+					  vlib_node_runtime_t * node,
+					  vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN,
+			     DPO_PROTO_ETHERNET, 0));
+}
+
+VLIB_NODE_FN (l2_ip_qos_record_node) (vlib_main_t * vm,
+				      vlib_node_runtime_t * node,
+				      vlib_frame_t * frame)
+{
+  return (qos_record_inline (vm, node, frame, QOS_SOURCE_VLAN, 0, 1));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip4_qos_record_node) = {
+  .name = "ip4-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "ip4-drop",
+  },
+};
+
+VNET_FEATURE_INIT (ip4_qos_record_node, static) = {
+    .arc_name = "ip4-unicast",
+    .node_name = "ip4-qos-record",
+};
+VNET_FEATURE_INIT (ip4m_qos_record_node, static) = {
+    .arc_name = "ip4-multicast",
+    .node_name = "ip4-qos-record",
+};
+
+VLIB_REGISTER_NODE (ip6_qos_record_node) = {
+  .name = "ip6-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "ip6-drop",
+  },
+};
+
+VNET_FEATURE_INIT (ip6_qos_record_node, static) = {
+    .arc_name = "ip6-unicast",
+    .node_name = "ip6-qos-record",
+};
+VNET_FEATURE_INIT (ip6m_qos_record_node, static) = {
+    .arc_name = "ip6-multicast",
+    .node_name = "ip6-qos-record",
+};
+
+VLIB_REGISTER_NODE (mpls_qos_record_node) = {
+  .name = "mpls-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "mpls-drop",
+  },
+};
+
+VNET_FEATURE_INIT (mpls_qos_record_node, static) = {
+    .arc_name = "mpls-input",
+    .node_name = "mpls-qos-record",
+};
+
+VLIB_REGISTER_NODE (vlan_mpls_qos_record_node) = {
+  .name = "vlan-mpls-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "mpls-drop",
+  },
+};
+
+VNET_FEATURE_INIT (vlan_mpls_qos_record_node, static) = {
+    .arc_name = "mpls-input",
+    .node_name = "vlan-mpls-qos-record",
+    .runs_before = VNET_FEATURES ("mpls-qos-record"),
+};
+
+VLIB_REGISTER_NODE (vlan_ip4_qos_record_node) = {
+  .name = "vlan-ip4-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "ip4-drop",
+  },
+};
+
+VNET_FEATURE_INIT (vlan_ip4_qos_record_node, static) = {
+    .arc_name = "ip4-unicast",
+    .node_name = "vlan-ip4-qos-record",
+    .runs_before = VNET_FEATURES ("ip4-qos-record"),
+};
+VNET_FEATURE_INIT (vlan_ip4m_qos_record_node, static) = {
+    .arc_name = "ip4-multicast",
+    .node_name = "vlan-ip4-qos-record",
+    .runs_before = VNET_FEATURES ("ip4-qos-record"),
+};
+
+VLIB_REGISTER_NODE (vlan_ip6_qos_record_node) = {
+  .name = "vlan-ip6-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "ip6-drop",
+  },
+};
+
+VNET_FEATURE_INIT (vlan_ip6_qos_record_node, static) = {
+    .arc_name = "ip6-unicast",
+    .node_name = "vlan-ip6-qos-record",
+    .runs_before = VNET_FEATURES ("ip6-qos-record"),
+};
+VNET_FEATURE_INIT (vlan_ip6m_qos_record_node, static) = {
+    .arc_name = "ip6-multicast",
+    .node_name = "vlan-ip6-qos-record",
+    .runs_before = VNET_FEATURES ("ip6-qos-record"),
+};
+
+VLIB_REGISTER_NODE (l2_ip_qos_record_node) = {
+  .name = "l2-ip-qos-record",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_record_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  /* Consider adding error "no IP after L2, no recording" */
+  .next_nodes = {
+    [0] = "error-drop",
+  },
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */