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authorNeale Ranns <neale.ranns@cisco.com>2018-04-04 09:34:50 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2018-04-13 08:51:21 +0000
commit25b049484fcf9161edb2c19250066b893c38c264 (patch)
tree69204352a0648cfc4089fa0e37214bffbae61e81 /src/plugins/gbp/gbp_contract.c
parent4f8863b21405d1ab3e067e978a60be72a343358b (diff)
GBP V2
update the GBP plugin to implement the full NAT feature set of opflex agent Change-Id: Ic06a039c889445ed0b9087fa1f292634192b0f8d Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Diffstat (limited to 'src/plugins/gbp/gbp_contract.c')
-rw-r--r--src/plugins/gbp/gbp_contract.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/src/plugins/gbp/gbp_contract.c b/src/plugins/gbp/gbp_contract.c
new file mode 100644
index 00000000000..71d8bcf4671
--- /dev/null
+++ b/src/plugins/gbp/gbp_contract.c
@@ -0,0 +1,163 @@
+/*
+ * 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>
+
+/**
+ * Single contract DB instance
+ */
+gbp_contract_db_t gbp_contract_db;
+
+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_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 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 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 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* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */