qos: migrate old MULTIARCH macros to VLIB_NODE_FN

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

1 files changed, 341 insertions, 0 deletions

diff --git a/src/vnet/qos/qos_mark_node.c b/src/vnet/qos/qos_mark_node.c
new file mode 100644
index 00000000000..f12e66b4fa0
--- /dev/null
+++ b/src/vnet/qos/qos_mark_node.c
@@ -0,0 +1,341 @@
+/*
+ * Copyright (c) 2019 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/ip/ip.h>
+#include <vnet/feature/feature.h>
+#include <vnet/qos/qos_egress_map.h>
+#include <vnet/qos/qos_mark.h>
+
+extern index_t *qos_mark_configs[QOS_N_SOURCES];
+
+always_inline qos_egress_map_t *
+qos_egress_map_interface (u32 sw_if_index, qos_source_t output_source)
+{
+  ASSERT (vec_len (qos_mark_configs[output_source]) > sw_if_index);
+
+  return pool_elt_at_index (qem_pool,
+			    qos_mark_configs[output_source][sw_if_index]);
+}
+
+/**
+ * per-packet trace data
+ */
+typedef struct qos_mark_trace_t_
+{
+  /* per-pkt trace data */
+  qos_bits_t bits;
+  qos_source_t input;
+  u32 used;
+} qos_mark_trace_t;
+
+static inline uword
+qos_mark_inline (vlib_main_t * vm,
+		 vlib_node_runtime_t * node,
+		 vlib_frame_t * frame, qos_source_t output_source, int is_ip6)
+{
+  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)
+	{
+	  qos_source_t input_source0;
+	  ethernet_vlan_header_t *vlan0;
+	  u32 sw_if_index0, next0, bi0;
+	  qos_egress_map_t *qem0;
+	  ip4_header_t *ip4_0;
+	  ip6_header_t *ip6_0;
+	  vlib_buffer_t *b0;
+	  qos_bits_t qos0;
+	  u8 *mpls_bytes_0;
+	  u8 eos0;
+
+	  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);
+	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+	  input_source0 = vnet_buffer2 (b0)->qos.source;
+
+	  qem0 = qos_egress_map_interface (sw_if_index0, output_source);
+	  qos0 = qem0->qem_output[input_source0][vnet_buffer2 (b0)->qos.bits];
+
+	  if (PREDICT_TRUE (b0->flags & VNET_BUFFER_F_QOS_DATA_VALID))
+	    {
+	      /* there is a source of QoS recording for this packet */
+	      if (QOS_SOURCE_IP == output_source)
+		{
+		  if (is_ip6)
+		    {
+		      ip6_0 = (vlib_buffer_get_current (b0) +
+			       vnet_buffer (b0)->ip.save_rewrite_length);
+
+		      ip6_set_traffic_class_network_order (ip6_0, qos0);
+		    }
+		  else
+		    {
+		      ip4_0 = (vlib_buffer_get_current (b0) +
+			       vnet_buffer (b0)->ip.save_rewrite_length);
+		      if (PREDICT_FALSE (qos0 != ip4_0->tos))
+			{
+			  ip4_0->tos = qos0;
+			  ip4_0->checksum = ip4_header_checksum (ip4_0);
+			}
+		    }
+		}
+	      else if (QOS_SOURCE_MPLS == output_source)
+		{
+		  mpls_bytes_0 = (vlib_buffer_get_current (b0) +
+				  vnet_buffer (b0)->mpls.save_rewrite_length);
+
+		  /* apply to all the labels in the stack */
+		  do
+		    {
+		      /* clear out the old COS bts */
+		      mpls_bytes_0[2] &= 0xf1;
+		      /* OR in 3 bits of the mapped value */
+		      mpls_bytes_0[2] |= (qos0 & 0x7) << 1;
+		      eos0 = mpls_bytes_0[2] & 0x1;
+		      mpls_bytes_0 += 4;
+		    }
+		  while (!eos0);
+		}
+	      else if (QOS_SOURCE_VLAN == output_source)
+		{
+		  vlan0 = (vlib_buffer_get_current (b0) +
+			   sizeof (ethernet_header_t));
+
+		  ethernet_vlan_header_set_priority_net_order (vlan0, qos0);
+		}
+	    }
+	  vnet_feature_next (&next0, b0);
+
+	  if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+	    {
+	      qos_mark_trace_t *t =
+		vlib_add_trace (vm, node, b0, sizeof (*t));
+	      t->bits = qos0;
+	      t->input = input_source0;
+	      t->used = (b0->flags & VNET_BUFFER_F_QOS_DATA_VALID);
+	    }
+
+	  /* 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;
+}
+
+/* packet trace format function */
+static u8 *
+format_qos_mark_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_mark_trace_t *t = va_arg (*args, qos_mark_trace_t *);
+
+  s = format (s, "source:%U qos:%d used:%s",
+	      format_qos_source, t->input, t->bits, (t->used ? "yes" : "no"));
+
+  return s;
+}
+
+VLIB_NODE_FN (ip4_qos_mark_node) (vlib_main_t * vm,
+				  vlib_node_runtime_t * node,
+				  vlib_frame_t * frame)
+{
+  return (qos_mark_inline (vm, node, frame, QOS_SOURCE_IP, 0));
+}
+
+VLIB_NODE_FN (ip6_qos_mark_node) (vlib_main_t * vm,
+				  vlib_node_runtime_t * node,
+				  vlib_frame_t * frame)
+{
+  return (qos_mark_inline (vm, node, frame, QOS_SOURCE_IP, 1));
+}
+
+VLIB_NODE_FN (mpls_qos_mark_node) (vlib_main_t * vm,
+				   vlib_node_runtime_t * node,
+				   vlib_frame_t * frame)
+{
+  return (qos_mark_inline (vm, node, frame, QOS_SOURCE_MPLS, 0));
+}
+
+VLIB_NODE_FN (vlan_mpls_qos_mark_node) (vlib_main_t * vm,
+					vlib_node_runtime_t * node,
+					vlib_frame_t * frame)
+{
+  return (qos_mark_inline (vm, node, frame, QOS_SOURCE_VLAN, 0));
+}
+
+VLIB_NODE_FN (vlan_ip4_qos_mark_node) (vlib_main_t * vm,
+				       vlib_node_runtime_t * node,
+				       vlib_frame_t * frame)
+{
+  return (qos_mark_inline (vm, node, frame, QOS_SOURCE_VLAN, 0));
+}
+
+VLIB_NODE_FN (vlan_ip6_qos_mark_node) (vlib_main_t * vm,
+				       vlib_node_runtime_t * node,
+				       vlib_frame_t * frame)
+{
+  return (qos_mark_inline (vm, node, frame, QOS_SOURCE_VLAN, 0));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip4_qos_mark_node) = {
+  .name = "ip4-qos-mark",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_mark_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "ip4-drop",
+  },
+};
+
+VNET_FEATURE_INIT (ip4_qos_mark_node, static) = {
+    .arc_name = "ip4-output",
+    .node_name = "ip4-qos-mark",
+};
+
+VLIB_REGISTER_NODE (ip6_qos_mark_node) = {
+  .name = "ip6-qos-mark",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_mark_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "ip6-drop",
+  },
+};
+
+VNET_FEATURE_INIT (ip6_qos_mark_node, static) = {
+    .arc_name = "ip6-output",
+    .node_name = "ip6-qos-mark",
+};
+
+VLIB_REGISTER_NODE (mpls_qos_mark_node) = {
+  .name = "mpls-qos-mark",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_mark_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "mpls-drop",
+  },
+};
+
+VNET_FEATURE_INIT (mpls_qos_mark_node, static) = {
+    .arc_name = "mpls-output",
+    .node_name = "mpls-qos-mark",
+};
+
+VLIB_REGISTER_NODE (vlan_ip4_qos_mark_node) = {
+  .name = "vlan-ip4-qos-mark",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_mark_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "error-drop",
+  },
+};
+
+VNET_FEATURE_INIT (vlan_ip4_qos_mark_node, static) = {
+    .arc_name = "ip4-output",
+    .node_name = "vlan-ip4-qos-mark",
+    .runs_after = VNET_FEATURES ("ip4-qos-mark"),
+};
+
+VLIB_REGISTER_NODE (vlan_ip6_qos_mark_node) = {
+  .name = "vlan-ip6-qos-mark",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_mark_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "error-drop",
+  },
+};
+
+VNET_FEATURE_INIT (vlan_ip6_qos_mark_node, static) = {
+    .arc_name = "ip6-output",
+    .node_name = "vlan-ip6-qos-mark",
+    .runs_after = VNET_FEATURES ("ip6-qos-mark"),
+};
+
+VLIB_REGISTER_NODE (vlan_mpls_qos_mark_node) = {
+  .name = "vlan-mpls-qos-mark",
+  .vector_size = sizeof (u32),
+  .format_trace = format_qos_mark_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+
+  .n_errors = 0,
+  .n_next_nodes = 1,
+
+  .next_nodes = {
+    [0] = "error-drop",
+  },
+};
+
+VNET_FEATURE_INIT (vlan_mpls_qos_mark_node, static) = {
+    .arc_name = "mpls-output",
+    .node_name = "vlan-mpls-qos-mark",
+    .runs_after = VNET_FEATURES ("mpls-qos-mark"),
+};
+
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */