--- /dev/null
+/*
+ * gbp.h : Group Based Policy
+ *
+ * Copyright (c) 2013 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>
+
+/**
+ * IP4 destintion address to destination EPG mapping table
+ */
+typedef struct gbp_ip4_to_epg_db_t_
+{
+ /**
+ * use a simple hash table
+ */
+ uword *g4ie_hash;
+} gbp_ip4_to_epg_db_t;
+
+static gbp_ip4_to_epg_db_t gbp_ip4_to_epg_db;
+
+/**
+ * IP6 destintion address to destination EPG mapping table
+ */
+typedef struct gbp_ip6_to_epg_db_t_
+{
+ /**
+ * use a memroy hash table
+ */
+ uword *g6ie_hash;
+} gbp_ip6_to_epg_db_t;
+
+static gbp_ip6_to_epg_db_t gbp_ip6_to_epg_db;
+
+/**
+ * Result of a interface to EPG mapping.
+ * multiple Endpoints can occur on the same interface, so this
+ * mapping needs to be reference counted.
+ */
+typedef struct gbp_itf_t_
+{
+ epg_id_t gi_epg;
+ u32 gi_ref_count;
+} gbp_itf_t;
+
+const static gbp_itf_t ITF_INVALID = {
+ .gi_epg = EPG_INVALID,
+ .gi_ref_count = 0,
+};
+
+/**
+ * Interface to source EPG DB - a per-interface vector
+ */
+typedef struct gbp_itf_to_epg_db_t_
+{
+ gbp_itf_t *gte_vec;
+} gbp_itf_to_epg_db_t;
+
+static gbp_itf_to_epg_db_t gbp_itf_to_epg_db;
+
+/**
+ * Pool of GBP endpoints
+ */
+static gbp_endpoint_t *gbp_endpoint_pool;
+
+/**
+ * DB of endpoints
+ */
+static uword *gbp_endpoint_db;
+
+/**
+ * EPG src,dst pair to ACL mapping table, aka contract DB
+ */
+typedef struct gbp_contract_db_t_
+{
+ /**
+ * We can form a u64 key from the pair, so use a simple hash table
+ */
+ uword *gc_hash;
+} gbp_contract_db_t;
+
+/**
+ * Since contract DB instance
+ */
+static gbp_contract_db_t gbp_contract_db;
+
+static void
+gbp_ip_epg_update (const ip46_address_t * ip, epg_id_t epg_id)
+{
+ /*
+ * we are dealing only with addresses here so this limited
+ * is_ip4 check is ok
+ */
+ if (ip46_address_is_ip4 (ip))
+ {
+ hash_set (gbp_ip4_to_epg_db.g4ie_hash, ip->ip4.as_u32, epg_id);
+ }
+ else
+ {
+ hash_set_mem (gbp_ip6_to_epg_db.g6ie_hash, &ip->ip6, epg_id);
+ }
+}
+
+static void
+gbp_ip_epg_delete (const ip46_address_t * ip)
+{
+ if (ip46_address_is_ip4 (ip))
+ {
+ hash_unset (gbp_ip4_to_epg_db.g4ie_hash, ip->ip4.as_u32);
+ }
+ else
+ {
+ hash_unset_mem (gbp_ip6_to_epg_db.g6ie_hash, &ip->ip6);
+ }
+}
+
+static void
+gbp_itf_epg_update (u32 sw_if_index, epg_id_t src_epg)
+{
+ vec_validate_init_empty (gbp_itf_to_epg_db.gte_vec,
+ sw_if_index, ITF_INVALID);
+
+ if (0 == gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_ref_count)
+ {
+ vnet_feature_enable_disable ("ip4-unicast", "gbp4",
+ sw_if_index, 1, NULL, 0);
+ vnet_feature_enable_disable ("ip6-unicast", "gbp6",
+ sw_if_index, 1, NULL, 0);
+ }
+ gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_epg = src_epg;
+ gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_ref_count++;
+}
+
+static void
+gbp_itf_epg_delete (u32 sw_if_index)
+{
+ if (vec_len (gbp_itf_to_epg_db.gte_vec) <= sw_if_index)
+ return;
+
+ if (1 == gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_ref_count)
+ {
+ gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_epg = EPG_INVALID;
+
+ vnet_feature_enable_disable ("ip4-unicast", "gbp4",
+ sw_if_index, 0, NULL, 0);
+ vnet_feature_enable_disable ("ip6-unicast", "gbp6",
+ sw_if_index, 0, NULL, 0);
+ }
+ gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_ref_count--;
+}
+
+void
+gbp_endpoint_update (u32 sw_if_index,
+ const ip46_address_t * ip, epg_id_t epg_id)
+{
+ gbp_endpoint_key_t key = {
+ .gek_ip = *ip,
+ .gek_sw_if_index = sw_if_index,
+ };
+ gbp_endpoint_t *gbpe;
+ uword *p;
+
+ p = hash_get_mem (gbp_endpoint_db, &key);
+
+ if (p)
+ {
+ gbpe = pool_elt_at_index (gbp_endpoint_pool, p[0]);
+ }
+ else
+ {
+ pool_get (gbp_endpoint_pool, gbpe);
+
+ gbpe->ge_key = clib_mem_alloc (sizeof (gbp_endpoint_key_t));
+ clib_memcpy (gbpe->ge_key, &key, sizeof (gbp_endpoint_key_t));
+
+ hash_set_mem (gbp_endpoint_db, gbpe->ge_key, gbpe - gbp_endpoint_pool);
+ }
+
+ gbpe->ge_epg_id = epg_id;
+
+ gbp_itf_epg_update (gbpe->ge_key->gek_sw_if_index, gbpe->ge_epg_id);
+ gbp_ip_epg_update (&gbpe->ge_key->gek_ip, gbpe->ge_epg_id);
+}
+
+void
+gbp_endpoint_delete (u32 sw_if_index, const ip46_address_t * ip)
+{
+ gbp_endpoint_key_t key = {
+ .gek_ip = *ip,
+ .gek_sw_if_index = sw_if_index,
+ };
+ gbp_endpoint_t *gbpe;
+ uword *p;
+
+ p = hash_get_mem (gbp_endpoint_db, &key);
+
+ if (p)
+ {
+ gbpe = pool_elt_at_index (gbp_endpoint_pool, p[0]);
+
+ hash_unset_mem (gbp_endpoint_db, gbpe->ge_key);
+
+ gbp_itf_epg_delete (gbpe->ge_key->gek_sw_if_index);
+ gbp_ip_epg_delete (&gbpe->ge_key->gek_ip);
+
+ clib_mem_free (gbpe->ge_key);
+
+ pool_put (gbp_endpoint_pool, gbpe);
+ }
+}
+
+void
+gbp_endpoint_walk (gbp_endpoint_cb_t cb, void *ctx)
+{
+ gbp_endpoint_t *gbpe;
+
+ /* *INDENT-OFF* */
+ pool_foreach(gbpe, gbp_endpoint_pool,
+ {
+ if (!cb(gbpe, ctx))
+ break;
+ });
+ /* *INDENT-ON* */
+}
+
+void
+gbp_contract_update (epg_id_t src_epg, epg_id_t dst_epg, u32 acl_index)
+{
+ gbp_contract_key_t key = {
+ .gck_src = src_epg,
+ .gck_dst = dst_epg,
+ };
+
+ hash_set (gbp_contract_db.gc_hash, key.as_u64, acl_index);
+}
+
+void
+gbp_contract_delete (epg_id_t src_epg, epg_id_t dst_epg)
+{
+ gbp_contract_key_t key = {
+ .gck_src = src_epg,
+ .gck_dst = dst_epg,
+ };
+
+ hash_unset (gbp_contract_db.gc_hash, key.as_u64);
+}
+
+void
+gbp_contract_walk (gbp_contract_cb_t cb, void *ctx)
+{
+ gbp_contract_key_t key;
+ u32 acl_index;
+
+ /* *INDENT-OFF* */
+ hash_foreach(key.as_u64, acl_index, gbp_contract_db.gc_hash,
+ ({
+ gbp_contract_t gbpc = {
+ .gc_key = key,
+ .gc_acl_index = acl_index,
+ };
+
+ if (!cb(&gbpc, ctx))
+ break;
+ }));
+ /* *INDENT-ON* */
+}
+
+static clib_error_t *
+gbp_endpoint_cli (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ epg_id_t epg_id = EPG_INVALID;
+ ip46_address_t ip = { };
+ u32 sw_if_index = ~0;
+ u8 add = 1;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "%U", unformat_vnet_sw_interface,
+ vnm, &sw_if_index))
+ ;
+ else if (unformat (input, "add"))
+ add = 1;
+ else if (unformat (input, "del"))
+ add = 0;
+ else if (unformat (input, "epg %d", &epg_id))
+ ;
+ else if (unformat (input, "ip %U", unformat_ip4_address, &ip.ip4))
+ ;
+ else if (unformat (input, "ip %U", unformat_ip6_address, &ip.ip6))
+ ;
+ else
+ break;
+ }
+
+ if (~0 == sw_if_index)
+ return clib_error_return (0, "interface must be specified");
+ if (EPG_INVALID == epg_id)
+ return clib_error_return (0, "EPG-ID must be specified");
+ if (ip46_address_is_zero (&ip))
+ return clib_error_return (0, "IP address must be specified");
+
+ if (add)
+ gbp_endpoint_update (sw_if_index, &ip, epg_id);
+ else
+ gbp_endpoint_delete (sw_if_index, &ip);
+
+ return (NULL);
+}
+
+static clib_error_t *
+gbp_contract_cli (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ epg_id_t src_epg_id = EPG_INVALID, dst_epg_id = EPG_INVALID;
+ u32 acl_index = ~0;
+ u8 add = 1;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "add"))
+ add = 1;
+ else if (unformat (input, "del"))
+ add = 0;
+ else if (unformat (input, "src-epg %d", &src_epg_id))
+ ;
+ else if (unformat (input, "dst-epg %d", &dst_epg_id))
+ ;
+ else if (unformat (input, "acl-index %d", &acl_index))
+ ;
+ else
+ break;
+ }
+
+ if (EPG_INVALID == src_epg_id)
+ return clib_error_return (0, "Source EPG-ID must be specified");
+ if (EPG_INVALID == dst_epg_id)
+ return clib_error_return (0, "Destination EPG-ID must be specified");
+
+ if (add)
+ {
+ gbp_contract_update (src_epg_id, dst_epg_id, acl_index);
+ }
+ else
+ {
+ gbp_contract_delete (src_epg_id, dst_epg_id);
+ }
+
+ return (NULL);
+}
+
+/*?
+ * Configure a GBP Endpoint
+ *
+ * @cliexpar
+ * @cliexstart{set gbp endpoint [del] <interface> epg <ID> ip <IP>}
+ * @cliexend
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (gbp_endpoint_cli_node, static) = {
+ .path = "gbp endpoint",
+ .short_help = "gbp endpoint [del] <interface> epg <ID> ip <IP>",
+ .function = gbp_endpoint_cli,
+};
+
+/*?
+ * Configure a GBP Contract
+ *
+ * @cliexpar
+ * @cliexstart{set gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>}
+ * @cliexend
+ ?*/
+VLIB_CLI_COMMAND (gbp_contract_cli_node, static) = {
+ .path = "gbp contract",
+ .short_help = "gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>",
+ .function = gbp_contract_cli,
+};
+/* *INDENT-ON* */
+
+static int
+gbp_endpoint_show_one (gbp_endpoint_t * gbpe, void *ctx)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vlib_main_t *vm;
+
+ vm = ctx;
+ vlib_cli_output (vm, " {%U, %U} -> %d",
+ format_vnet_sw_if_index_name, vnm,
+ gbpe->ge_key->gek_sw_if_index,
+ format_ip46_address, &gbpe->ge_key->gek_ip, IP46_TYPE_ANY,
+ gbpe->ge_epg_id);
+
+ return (1);
+}
+
+static clib_error_t *
+gbp_endpoint_show (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ ip46_address_t ip, *ipp;
+ epg_id_t epg_id;
+ u32 sw_if_index;
+
+ vlib_cli_output (vm, "Endpoints:");
+ gbp_endpoint_walk (gbp_endpoint_show_one, vm);
+
+ vlib_cli_output (vm, "\nSource interface to EPG:");
+
+ vec_foreach_index (sw_if_index, gbp_itf_to_epg_db.gte_vec)
+ {
+ if (EPG_INVALID != gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_epg)
+ {
+ vlib_cli_output (vm, " %U -> %d",
+ format_vnet_sw_if_index_name, vnm, sw_if_index,
+ gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_epg);
+ }
+ }
+
+ vlib_cli_output (vm, "\nDestination IP4 to EPG:");
+
+ /* *INDENT-OFF* */
+ hash_foreach (ip.ip4.as_u32, epg_id, gbp_ip4_to_epg_db.g4ie_hash,
+ {
+ vlib_cli_output (vm, " %U -> %d", format_ip46_address, &ip,
+ IP46_TYPE_IP4, epg_id);
+ });
+ /* *INDENT-ON* */
+
+ vlib_cli_output (vm, "\nDestination IP6 to EPG:");
+
+ /* *INDENT-OFF* */
+ hash_foreach_mem (ipp, epg_id, gbp_ip6_to_epg_db.g6ie_hash,
+ {
+ vlib_cli_output (vm, " %U -> %d", format_ip46_address, ipp,
+ IP46_TYPE_IP6, epg_id);
+ });
+ /* *INDENT-ON* */
+
+ return (NULL);
+}
+
+static clib_error_t *
+gbp_contract_show (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ gbp_contract_key_t key;
+ epg_id_t epg_id;
+
+ vlib_cli_output (vm, "Contracts:");
+
+ /* *INDENT-OFF* */
+ hash_foreach (key.as_u64, epg_id, gbp_contract_db.gc_hash,
+ {
+ vlib_cli_output (vm, " {%d,%d} -> %d", key.gck_src,
+ key.gck_dst, epg_id);
+ });
+ /* *INDENT-ON* */
+
+ return (NULL);
+}
+
+/*?
+ * Show Group Based Policy Endpoints and derived information
+ *
+ * @cliexpar
+ * @cliexstart{show gbp endpoint}
+ * @cliexend
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (gbp_endpoint_show_node, static) = {
+ .path = "show gbp endpoint",
+ .short_help = "show gbp endpoint\n",
+ .function = gbp_endpoint_show,
+};
+/* *INDENT-ON* */
+
+/*?
+ * Show Group Based Policy Contracts
+ *
+ * @cliexpar
+ * @cliexstart{show gbp contract}
+ * @cliexend
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (gbp_contract_show_node, static) = {
+ .path = "show gbp contract",
+ .short_help = "show gbp contract\n",
+ .function = gbp_contract_show,
+};
+/* *INDENT-ON* */
+
+#define foreach_gbp \
+ _(DENY, "deny")
+
+typedef enum
+{
+#define _(sym,str) GBP_ERROR_##sym,
+ foreach_gbp
+#undef _
+ GBP_N_ERROR,
+} gbp_error_t;
+
+static char *gbp_error_strings[] = {
+#define _(sym,string) string,
+ foreach_gbp
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) GBP_NEXT_##sym,
+ foreach_gbp
+#undef _
+ GBP_N_NEXT,
+} gbp_next_t;
+
+/**
+ * per-packet trace data
+ */
+typedef struct gbp_trace_t_
+{
+ /* per-pkt trace data */
+ epg_id_t src_epg;
+ epg_id_t dst_epg;
+ u32 acl_index;
+} gbp_trace_t;
+
+static inline uword
+gbp_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame, int is_ip6)
+{
+ u32 n_left_from, *from, *to_next;
+ gbp_next_t 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)
+ {
+ vlib_buffer_t *b0;
+ u32 sw_if_index0;
+ gbp_next_t next0;
+ u32 bi0;
+ ip4_header_t *ip4_0;
+ ip6_header_t *ip6_0;
+ gbp_contract_key_t key0;
+ u32 acl_index0;
+ uword *p;
+
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ /* deny by default */
+ next0 = GBP_NEXT_DENY;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ if (is_ip6)
+ ip6_0 = vlib_buffer_get_current (b0);
+ else
+ ip4_0 = vlib_buffer_get_current (b0);
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ /*
+ * determine the src and dst EPG
+ */
+ key0.gck_src = gbp_itf_to_epg_db.gte_vec[sw_if_index0].gi_epg;
+
+ if (is_ip6)
+ p = hash_get_mem (gbp_ip6_to_epg_db.g6ie_hash,
+ &ip6_0->dst_address);
+ else
+ p = hash_get (gbp_ip4_to_epg_db.g4ie_hash,
+ ip4_0->dst_address.as_u32);
+
+ if (NULL != p)
+ {
+ key0.gck_dst = p[0];
+
+ /*
+ * If the src and dst are the same, then let it through
+ */
+ if (key0.gck_dst == key0.gck_src)
+ {
+ vnet_feature_next (sw_if_index0, &next0, b0);
+ acl_index0 = ~0;
+ }
+ else
+ {
+ /*
+ * find this src,dst pair in the egp->acl DB
+ */
+ p = hash_get (gbp_contract_db.gc_hash, key0.as_u64);
+
+ if (NULL != p)
+ {
+ acl_index0 = p[0];
+
+ /*
+ * the ACL index stored is NULL, this means any-any so let it pass
+ */
+ if (~0 == acl_index0)
+ {
+ vnet_feature_next (sw_if_index0, &next0, b0);
+ }
+ else
+ {
+ /*
+ * TODO tests against the ACL
+ */
+ }
+ }
+ else
+ {
+ /*
+ * no ACL to apply for packets between these two EPGs.
+ * GBP is a whitelist model, so no ACL implies deny, which
+ * is the default result
+ */
+ acl_index0 = ~0;
+ }
+ }
+ }
+ else
+ {
+ /*
+ * cannot determine the destinaiotn EPG, so we cannot enforce policy
+ * on this node. permit.
+ */
+ vnet_feature_next (sw_if_index0, &next0, b0);
+
+ key0.gck_dst = ~0;
+ acl_index0 = ~0;
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
+ (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ gbp_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->src_epg = key0.gck_src;
+ t->dst_epg = key0.gck_dst;
+ t->acl_index = acl_index0;
+ }
+
+ /* 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_gbp_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_trace_t *t = va_arg (*args, gbp_trace_t *);
+
+ s = format (s, "gbp: src:%d dst:%d acl:%d",
+ t->src_epg, t->dst_epg, t->acl_index);
+
+ return s;
+}
+
+static inline uword
+gbp_4 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return (gbp_inline (vm, node, frame, 0));
+}
+
+static inline uword
+gbp_6 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return (gbp_inline (vm, node, frame, 1));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (gbp_4_node) = {
+ .function = gbp_4,
+ .name = "gbp4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_gbp_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(gbp_error_strings),
+ .error_strings = gbp_error_strings,
+
+ .n_next_nodes = GBP_N_NEXT,
+
+ .next_nodes = {
+ [GBP_NEXT_DENY] = "ip4-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (gbp_4_node, gbp_4);
+
+VNET_FEATURE_INIT (gbp_4_node, static) = {
+ .arc_name = "ip4-unicast",
+ .node_name = "gbp4",
+ .runs_after = VNET_FEATURES ("acl-plugin-out-ip4-fa"),
+};
+
+VLIB_REGISTER_NODE (gbp_6_node) = {
+ .function = gbp_6,
+ .name = "gbp6",
+ .vector_size = sizeof (u32),
+ .format_trace = format_gbp_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(gbp_error_strings),
+ .error_strings = gbp_error_strings,
+
+ .n_next_nodes = GBP_N_NEXT,
+
+ .next_nodes = {
+ [GBP_NEXT_DENY] = "ip6-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (gbp_6_node, gbp_6);
+
+VNET_FEATURE_INIT (gbp_6_node, static) = {
+ .arc_name = "ip6-unicast",
+ .node_name = "gbp6",
+ .runs_after = VNET_FEATURES ("acl-plugin-out-ip6-fa"),
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+gbp_init (vlib_main_t * vm)
+{
+ gbp_endpoint_db = hash_create_mem (0,
+ sizeof (gbp_endpoint_key_t),
+ sizeof (u32));
+ gbp_ip6_to_epg_db.g6ie_hash =
+ hash_create_mem (0, sizeof (ip6_address_t), sizeof (u32));
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (gbp_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff