1 files changed, 132 insertions, 0 deletions
diff --git a/src/vnet/ppp/ppp.h b/src/vnet/ppp/ppp.h
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+/*
+ * Copyright (c) 2015 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.
+ */
+/*
+ * ppp.h: types/functions for ppp.
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef included_ppp_h
+#define included_ppp_h
+
+#include <vnet/vnet.h>
+#include <vnet/ppp/packet.h>
+#include <vnet/pg/pg.h>
+
+extern vnet_hw_interface_class_t ppp_hw_interface_class;
+
+typedef enum
+{
+#define ppp_error(n,s) PPP_ERROR_##n,
+#include <vnet/ppp/error.def>
+#undef ppp_error
+  PPP_N_ERROR,
+} ppp_error_t;
+
+typedef struct
+{
+  /* Name (a c string). */
+  char *name;
+
+  /* PPP protocol type in host byte order. */
+  ppp_protocol_t protocol;
+
+  /* Node which handles this type. */
+  u32 node_index;
+
+  /* Next index for this type. */
+  u32 next_index;
+} ppp_protocol_info_t;
+
+typedef struct
+{
+  vlib_main_t *vlib_main;
+
+  ppp_protocol_info_t *protocol_infos;
+
+  /* Hash tables mapping name/protocol to protocol info index. */
+  uword *protocol_info_by_name, *protocol_info_by_protocol;
+} ppp_main_t;
+
+always_inline ppp_protocol_info_t *
+ppp_get_protocol_info (ppp_main_t * em, ppp_protocol_t protocol)
+{
+  uword *p = hash_get (em->protocol_info_by_protocol, protocol);
+  return p ? vec_elt_at_index (em->protocol_infos, p[0]) : 0;
+}
+
+extern ppp_main_t ppp_main;
+
+/* Register given node index to take input for given ppp type. */
+void
+ppp_register_input_type (vlib_main_t * vm,
+			 ppp_protocol_t protocol, u32 node_index);
+
+format_function_t format_ppp_protocol;
+format_function_t format_ppp_header;
+format_function_t format_ppp_header_with_length;
+
+/* Parse ppp protocol as 0xXXXX or protocol name.
+   In either host or network byte order. */
+unformat_function_t unformat_ppp_protocol_host_byte_order;
+unformat_function_t unformat_ppp_protocol_net_byte_order;
+
+/* Parse ppp header. */
+unformat_function_t unformat_ppp_header;
+unformat_function_t unformat_pg_ppp_header;
+
+always_inline void
+ppp_setup_node (vlib_main_t * vm, u32 node_index)
+{
+  vlib_node_t *n = vlib_get_node (vm, node_index);
+  pg_node_t *pn = pg_get_node (node_index);
+
+  n->format_buffer = format_ppp_header_with_length;
+  n->unformat_buffer = unformat_ppp_header;
+  pn->unformat_edit = unformat_pg_ppp_header;
+}
+
+void
+ppp_register_input_protocol (vlib_main_t * vm,
+			     ppp_protocol_t protocol, u32 node_index);
+
+#endif /* included_ppp_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */