misc: deprecate gbp and its dependents

Type: improvement

Signed-off-by: Neale Ranns <nranns@cisco.com>
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3

1 files changed, 0 insertions, 628 deletions

diff --git a/src/plugins/gbp/gbp_classify_node.c b/src/plugins/gbp/gbp_classify_node.c
deleted file mode 100644
index a2058a21284..00000000000
--- a/src/plugins/gbp/gbp_classify_node.c
+++ /dev/null
@@ -1,628 +0,0 @@
-/*
- * gbp.h : Group Based Policy
- *
- * 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 <plugins/gbp/gbp.h>
-#include <plugins/gbp/gbp_classify.h>
-#include <plugins/gbp/gbp_policy_dpo.h>
-#include <plugins/gbp/gbp_ext_itf.h>
-#include <vnet/fib/ip4_fib.h>
-#include <vnet/fib/ip6_fib.h>
-#include <vnet/dpo/load_balance.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/feat_bitmap.h>
-#include <vnet/fib/fib_table.h>
-#include <vnet/vxlan-gbp/vxlan_gbp_packet.h>
-#include <vnet/ethernet/arp_packet.h>
-
-/**
- * per-packet trace data
- */
-typedef struct gbp_classify_trace_t_
-{
-  /* per-pkt trace data */
-  sclass_t sclass;
-} gbp_classify_trace_t;
-
-/*
- * determine the SRC EPG form the input port
- */
-always_inline uword
-gbp_classify_inline (vlib_main_t * vm,
-		     vlib_node_runtime_t * node,
-		     vlib_frame_t * frame,
-		     gbp_src_classify_type_t type, dpo_proto_t dproto)
-{
-  gbp_src_classify_main_t *gscm = &gbp_src_classify_main;
-  u32 n_left_from, *from, *to_next;
-  u32 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)
-	{
-	  u32 next0, bi0, sw_if_index0;
-	  const gbp_endpoint_t *ge0;
-	  vlib_buffer_t *b0;
-	  sclass_t sclass0;
-
-	  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_RX];
-	  vnet_buffer2 (b0)->gbp.flags = VXLAN_GBP_GPFLAGS_NONE;
-
-	  if (GBP_SRC_CLASSIFY_NULL == type)
-	    {
-	      sclass0 = SCLASS_INVALID;
-	      next0 =
-		vnet_l2_feature_next (b0, gscm->l2_input_feat_next[type],
-				      L2INPUT_FEAT_GBP_NULL_CLASSIFY);
-	    }
-	  else
-	    {
-	      if (DPO_PROTO_ETHERNET == dproto)
-		{
-		  const ethernet_header_t *h0;
-
-		  h0 = vlib_buffer_get_current (b0);
-		  next0 =
-		    vnet_l2_feature_next (b0, gscm->l2_input_feat_next[type],
-					  L2INPUT_FEAT_GBP_SRC_CLASSIFY);
-		  ge0 = gbp_endpoint_find_mac (h0->src_address,
-					       vnet_buffer (b0)->l2.bd_index);
-		}
-	      else if (DPO_PROTO_IP4 == dproto)
-		{
-		  const ip4_header_t *h0;
-
-		  h0 = vlib_buffer_get_current (b0);
-
-		  ge0 = gbp_endpoint_find_ip4
-		    (&h0->src_address,
-		     fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4,
-							  sw_if_index0));
-
-
-		  /*
-		   * Go straight to looukp, do not pass go, do not collect $200
-		   */
-		  next0 = 0;
-		}
-	      else if (DPO_PROTO_IP6 == dproto)
-		{
-		  const ip6_header_t *h0;
-
-		  h0 = vlib_buffer_get_current (b0);
-
-		  ge0 = gbp_endpoint_find_ip6
-		    (&h0->src_address,
-		     fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP6,
-							  sw_if_index0));
-
-
-		  /*
-		   * Go straight to lookup, do not pass go, do not collect $200
-		   */
-		  next0 = 0;
-		}
-	      else
-		{
-		  ge0 = NULL;
-		  next0 = 0;
-		  ASSERT (0);
-		}
-
-	      if (PREDICT_TRUE (NULL != ge0))
-		sclass0 = ge0->ge_fwd.gef_sclass;
-	      else
-		sclass0 = SCLASS_INVALID;
-	    }
-
-	  vnet_buffer2 (b0)->gbp.sclass = sclass0;
-
-	  if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      gbp_classify_trace_t *t =
-		vlib_add_trace (vm, node, b0, sizeof (*t));
-	      t->sclass = sclass0;
-	    }
-
-	  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 (gbp_src_classify_node) (vlib_main_t * vm,
-				      vlib_node_runtime_t * node,
-				      vlib_frame_t * frame)
-{
-  return (gbp_classify_inline (vm, node, frame,
-			       GBP_SRC_CLASSIFY_PORT, DPO_PROTO_ETHERNET));
-}
-
-VLIB_NODE_FN (gbp_null_classify_node) (vlib_main_t * vm,
-				       vlib_node_runtime_t * node,
-				       vlib_frame_t * frame)
-{
-  return (gbp_classify_inline (vm, node, frame,
-			       GBP_SRC_CLASSIFY_NULL, DPO_PROTO_ETHERNET));
-}
-
-VLIB_NODE_FN (gbp_ip4_src_classify_node) (vlib_main_t * vm,
-					  vlib_node_runtime_t * node,
-					  vlib_frame_t * frame)
-{
-  return (gbp_classify_inline (vm, node, frame,
-			       GBP_SRC_CLASSIFY_PORT, DPO_PROTO_IP4));
-}
-
-VLIB_NODE_FN (gbp_ip6_src_classify_node) (vlib_main_t * vm,
-					  vlib_node_runtime_t * node,
-					  vlib_frame_t * frame)
-{
-  return (gbp_classify_inline (vm, node, frame,
-			       GBP_SRC_CLASSIFY_PORT, DPO_PROTO_IP6));
-}
-
-
-/* packet trace format function */
-static u8 *
-format_gbp_classify_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 *);
-  gbp_classify_trace_t *t = va_arg (*args, gbp_classify_trace_t *);
-
-  s = format (s, "sclass:%d", t->sclass);
-
-  return s;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (gbp_null_classify_node) = {
-  .name = "gbp-null-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 0,
-};
-
-VLIB_REGISTER_NODE (gbp_src_classify_node) = {
-  .name = "gbp-src-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 0,
-};
-
-VLIB_REGISTER_NODE (gbp_ip4_src_classify_node) = {
-  .name = "ip4-gbp-src-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 1,
-  .next_nodes = {
-    [0] = "ip4-lookup"
-  },
-};
-
-VLIB_REGISTER_NODE (gbp_ip6_src_classify_node) = {
-  .name = "ip6-gbp-src-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 1,
-  .next_nodes = {
-    [0] = "ip6-lookup"
-  },
-};
-
-VNET_FEATURE_INIT (gbp_ip4_src_classify_feat_node, static) =
-{
-  .arc_name = "ip4-unicast",
-  .node_name = "ip4-gbp-src-classify",
-  .runs_before = VNET_FEATURES ("nat44-out2in"),
-};
-VNET_FEATURE_INIT (gbp_ip6_src_classify_feat_node, static) =
-{
-  .arc_name = "ip6-unicast",
-  .node_name = "ip6-gbp-src-classify",
-  .runs_before = VNET_FEATURES ("nat66-out2in"),
-};
-
-/* *INDENT-ON* */
-
-typedef enum gbp_lpm_classify_next_t_
-{
-  GPB_LPM_CLASSIFY_DROP,
-} gbp_lpm_classify_next_t;
-
-/**
- * per-packet trace data
- */
-typedef struct gbp_lpm_classify_trace_t_
-{
-  sclass_t sclass;
-  index_t lbi;
-  ip46_address_t src;
-} gbp_lpm_classify_trace_t;
-
-/* packet trace format function */
-static u8 *
-format_gbp_lpm_classify_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 *);
-  gbp_lpm_classify_trace_t *t = va_arg (*args, gbp_lpm_classify_trace_t *);
-
-  s = format (s, "sclass:%d lb:%d src:%U",
-	      t->sclass, t->lbi, format_ip46_address, &t->src, IP46_TYPE_ANY);
-
-  return s;
-}
-
-enum gbp_lpm_type
-{
-  GBP_LPM_RECIRC,
-  GBP_LPM_EPG,
-  GBP_LPM_ANON
-};
-
-/*
- * Determine the SRC EPG from a LPM
- */
-always_inline uword
-gbp_lpm_classify_inline (vlib_main_t * vm,
-			 vlib_node_runtime_t * node,
-			 vlib_frame_t * frame,
-			 const dpo_proto_t dproto,
-			 const enum gbp_lpm_type type)
-{
-  gbp_src_classify_main_t *gscm = &gbp_src_classify_main;
-  u32 n_left_from, *from, *to_next;
-  u32 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)
-	{
-	  u32 bi0, sw_if_index0, fib_index0, lbi0;
-	  const gbp_endpoint_t *ge0, *ge_lpm0;
-	  gbp_lpm_classify_next_t next0;
-	  const ethernet_header_t *eh0;
-	  const gbp_policy_dpo_t *gpd0;
-	  const ip4_address_t *ip4_0;
-	  const ip6_address_t *ip6_0;
-	  const gbp_recirc_t *gr0;
-	  vlib_buffer_t *b0;
-	  sclass_t sclass0;
-
-	  bi0 = from[0];
-	  to_next[0] = bi0;
-	  from += 1;
-	  to_next += 1;
-	  n_left_from -= 1;
-	  n_left_to_next -= 1;
-	  ip4_0 = NULL;
-	  ip6_0 = NULL;
-	  next0 = GPB_LPM_CLASSIFY_DROP;
-
-	  lbi0 = ~0;
-	  eh0 = NULL;
-	  b0 = vlib_get_buffer (vm, bi0);
-
-	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-	  vnet_buffer2 (b0)->gbp.flags = VXLAN_GBP_GPFLAGS_NONE;
-
-	  if (DPO_PROTO_IP4 == dproto)
-	    ip4_0 =
-	      &((ip4_header_t *) vlib_buffer_get_current (b0))->src_address;
-	  else if (DPO_PROTO_IP6 == dproto)
-	    ip6_0 =
-	      &((ip6_header_t *) vlib_buffer_get_current (b0))->src_address;
-	  else if (DPO_PROTO_ETHERNET == dproto)
-	    {
-	      eh0 = vlib_buffer_get_current (b0);
-	      gbp_classify_get_ip_address (eh0, &ip4_0, &ip6_0,
-					   GBP_CLASSIFY_GET_IP_SRC);
-	    }
-
-	  if (GBP_LPM_RECIRC == type)
-	    {
-	      gr0 = gbp_recirc_get (sw_if_index0);
-	      fib_index0 = gr0->gr_fib_index[dproto];
-	      ge0 = NULL;
-
-	      vnet_feature_next (&next0, b0);
-	    }
-	  else
-	    {
-	      if (NULL == eh0)
-		{
-		  /* packet should be l2 */
-		  sclass0 = SCLASS_INVALID;
-		  goto trace;
-		}
-
-	      if (GBP_LPM_ANON == type)
-		{
-		  /*
-		   * anonymous LPM classification: only honour LPM as no EP
-		   * were programmed
-		   */
-		  gbp_ext_itf_t *gei = gbp_ext_itf_get (sw_if_index0);
-		  if (ip4_0)
-		    fib_index0 = gei->gx_fib_index[DPO_PROTO_IP4];
-		  else if (ip6_0)
-		    fib_index0 = gei->gx_fib_index[DPO_PROTO_IP6];
-		  else
-		    {
-		      /* not IP so no LPM classify possible */
-		      sclass0 = SCLASS_INVALID;
-		      next0 = GPB_LPM_CLASSIFY_DROP;
-		      goto trace;
-		    }
-		  next0 = vnet_l2_feature_next
-		    (b0, gscm->l2_input_feat_next[GBP_SRC_CLASSIFY_LPM_ANON],
-		     L2INPUT_FEAT_GBP_LPM_ANON_CLASSIFY);
-		}
-	      else
-		{
-		  /*
-		   * not an anonymous LPM classification: check it comes from
-		   * an EP, and use EP RD info
-		   */
-		  ge0 = gbp_endpoint_find_mac (eh0->src_address,
-					       vnet_buffer (b0)->l2.bd_index);
-
-		  if (NULL == ge0)
-		    {
-		      /* packet must have come from an EP's mac */
-		      sclass0 = SCLASS_INVALID;
-		      goto trace;
-		    }
-
-		  fib_index0 = ge0->ge_fwd.gef_fib_index;
-
-		  if (~0 == fib_index0)
-		    {
-		      sclass0 = SCLASS_INVALID;
-		      goto trace;
-		    }
-
-		  if (ip4_0)
-		    {
-		      ge_lpm0 = gbp_endpoint_find_ip4 (ip4_0, fib_index0);
-		    }
-		  else if (ip6_0)
-		    {
-		      ge_lpm0 = gbp_endpoint_find_ip6 (ip6_0, fib_index0);
-		    }
-		  else
-		    {
-		      ge_lpm0 = NULL;
-		    }
-
-		  next0 = vnet_l2_feature_next
-		    (b0, gscm->l2_input_feat_next[GBP_SRC_CLASSIFY_LPM],
-		     L2INPUT_FEAT_GBP_LPM_CLASSIFY);
-
-		  /*
-		   * if we found the EP by IP lookup, it must be from the EP
-		   * not a network behind it
-		   */
-		  if (NULL != ge_lpm0)
-		    {
-		      if (PREDICT_FALSE (ge0 != ge_lpm0))
-			{
-			  /* an EP spoofing another EP */
-			  sclass0 = SCLASS_INVALID;
-			  next0 = GPB_LPM_CLASSIFY_DROP;
-			}
-		      else
-			{
-			  sclass0 = ge0->ge_fwd.gef_sclass;
-			}
-		      goto trace;
-		    }
-		}
-	    }
-
-	  gpd0 = gbp_classify_get_gpd (ip4_0, ip6_0, fib_index0);
-	  if (0 == gpd0)
-	    {
-	      /* could not classify => drop */
-	      sclass0 = SCLASS_INVALID;
-	      next0 = GPB_LPM_CLASSIFY_DROP;
-	      goto trace;
-	    }
-
-	  sclass0 = gpd0->gpd_sclass;
-
-	  /* all packets from an external network should not be learned by the
-	   * reciever. so set the Do-not-learn bit here */
-	  vnet_buffer2 (b0)->gbp.flags = VXLAN_GBP_GPFLAGS_D;
-
-	trace:
-	  vnet_buffer2 (b0)->gbp.sclass = sclass0;
-
-	  if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      gbp_lpm_classify_trace_t *t =
-		vlib_add_trace (vm, node, b0, sizeof (*t));
-	      t->sclass = sclass0;
-	      t->lbi = lbi0;
-	      if (ip4_0)
-		t->src.ip4 = *ip4_0;
-	      if (ip6_0)
-		t->src.ip6 = *ip6_0;
-	    }
-
-	  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 (gbp_ip4_lpm_classify_node) (vlib_main_t * vm,
-					  vlib_node_runtime_t * node,
-					  vlib_frame_t * frame)
-{
-  return (gbp_lpm_classify_inline
-	  (vm, node, frame, DPO_PROTO_IP4, GBP_LPM_RECIRC));
-}
-
-VLIB_NODE_FN (gbp_ip6_lpm_classify_node) (vlib_main_t * vm,
-					  vlib_node_runtime_t * node,
-					  vlib_frame_t * frame)
-{
-  return (gbp_lpm_classify_inline
-	  (vm, node, frame, DPO_PROTO_IP6, GBP_LPM_RECIRC));
-}
-
-VLIB_NODE_FN (gbp_l2_lpm_classify_node) (vlib_main_t * vm,
-					 vlib_node_runtime_t * node,
-					 vlib_frame_t * frame)
-{
-  return (gbp_lpm_classify_inline
-	  (vm, node, frame, DPO_PROTO_ETHERNET, GBP_LPM_EPG));
-}
-
-VLIB_NODE_FN (gbp_l2_lpm_anon_classify_node) (vlib_main_t * vm,
-					      vlib_node_runtime_t * node,
-					      vlib_frame_t * frame)
-{
-  return (gbp_lpm_classify_inline
-	  (vm, node, frame, DPO_PROTO_ETHERNET, GBP_LPM_ANON));
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (gbp_ip4_lpm_classify_node) = {
-  .name = "ip4-gbp-lpm-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_lpm_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 1,
-  .next_nodes = {
-    [GPB_LPM_CLASSIFY_DROP] = "ip4-drop"
-  },
-};
-
-VLIB_REGISTER_NODE (gbp_ip6_lpm_classify_node) = {
-  .name = "ip6-gbp-lpm-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_lpm_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 1,
-  .next_nodes = {
-    [GPB_LPM_CLASSIFY_DROP] = "ip6-drop"
-  },
-};
-
-VLIB_REGISTER_NODE (gbp_l2_lpm_classify_node) = {
-  .name = "l2-gbp-lpm-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_lpm_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 1,
-  .next_nodes = {
-    [GPB_LPM_CLASSIFY_DROP] = "error-drop"
-  },
-};
-
-VLIB_REGISTER_NODE (gbp_l2_lpm_anon_classify_node) = {
-  .name = "l2-gbp-lpm-anon-classify",
-  .vector_size = sizeof (u32),
-  .format_trace = format_gbp_lpm_classify_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = 0,
-  .n_next_nodes = 1,
-  .next_nodes = {
-    [GPB_LPM_CLASSIFY_DROP] = "error-drop"
-  },
-};
-
-VNET_FEATURE_INIT (gbp_ip4_lpm_classify_feat_node, static) =
-{
-  .arc_name = "ip4-unicast",
-  .node_name = "ip4-gbp-lpm-classify",
-  .runs_before = VNET_FEATURES ("nat44-out2in"),
-};
-VNET_FEATURE_INIT (gbp_ip6_lpm_classify_feat_node, static) =
-{
-  .arc_name = "ip6-unicast",
-  .node_name = "ip6-gbp-lpm-classify",
-  .runs_before = VNET_FEATURES ("nat66-out2in"),
-};
-
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */