From 04e5344a358a9ad42d896486d2d226149fd326f4 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Sun, 16 Jul 2017 17:12:15 -0700 Subject: Cleanup/refactor session layer code Change-Id: Ica99e8cb919fca6b069c37c969d60e8ccc2c6bf9 Signed-off-by: Florin Coras --- src/vnet/session/transport_interface.c | 106 +++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 src/vnet/session/transport_interface.c (limited to 'src/vnet/session/transport_interface.c') diff --git a/src/vnet/session/transport_interface.c b/src/vnet/session/transport_interface.c new file mode 100644 index 00000000..eb12aa69 --- /dev/null +++ b/src/vnet/session/transport_interface.c @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2017 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 +#include + +/** + * Per-type vector of transport protocol virtual function tables + */ +transport_proto_vft_t *tp_vfts; + +u32 +transport_endpoint_lookup (transport_endpoint_table_t * ht, + ip46_address_t * ip, u16 port) +{ + clib_bihash_kv_24_8_t kv; + int rv; + + kv.key[0] = ip->as_u64[0]; + kv.key[1] = ip->as_u64[1]; + kv.key[2] = port; + + rv = clib_bihash_search_inline_24_8 (ht, &kv); + if (rv == 0) + return kv.value; + + return TRANSPORT_ENDPOINT_INVALID_INDEX; +} + +void +transport_endpoint_table_add (transport_endpoint_table_t * ht, + transport_endpoint_t * te, u32 value) +{ + clib_bihash_kv_24_8_t kv; + + kv.key[0] = te->ip.as_u64[0]; + kv.key[1] = te->ip.as_u64[1]; + kv.key[2] = te->port; + kv.value = value; + + clib_bihash_add_del_24_8 (ht, &kv, 1); +} + +void +transport_endpoint_table_del (transport_endpoint_table_t * ht, + transport_endpoint_t * te) +{ + clib_bihash_kv_24_8_t kv; + + kv.key[0] = te->ip.as_u64[0]; + kv.key[1] = te->ip.as_u64[1]; + kv.key[2] = te->port; + + clib_bihash_add_del_24_8 (ht, &kv, 0); +} + +/** + * Register transport virtual function table. + * + * @param type - session type (not protocol type) + * @param vft - virtual function table + */ +void +session_register_transport (u8 session_type, + const transport_proto_vft_t * vft) +{ + vec_validate (tp_vfts, session_type); + tp_vfts[session_type] = *vft; + + /* If an offset function is provided, then peek instead of dequeue */ + session_manager_set_transport_rx_fn (session_type, + vft->tx_fifo_offset != 0); +} + +/** + * Get transport virtual function table + * + * @param type - session type (not protocol type) + */ +transport_proto_vft_t * +session_get_transport_vft (u8 session_type) +{ + if (session_type >= vec_len (tp_vfts)) + return 0; + return &tp_vfts[session_type]; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg