Remove unused tcp.h

This was left out of 8f9e7d43d8b8e5495477e3a587f78409a4cf8808
inadvertently. Remove it now.

Change-Id: I79625aeba400ccfdcfd972f454abd043c2537960
Signed-off-by: Kevin Paul Herbert <kph@cisco.com>

3 files changed, 0 insertions, 399 deletions

diff --git a/vnet/Makefile.am b/vnet/Makefile.am
index decd3f56..bb138e6b 100644
--- a/vnet/Makefile.am
+++ b/vnet/Makefile.am
@@ -263,7 +263,6 @@ nobase_include_HEADERS +=			\
  vnet/ip/ip_packet.h				\
  vnet/ip/ports.def				\
  vnet/ip/protocols.def				\
- vnet/ip/tcp.h					\
  vnet/ip/tcp_packet.h				\
  vnet/ip/udp.h					\
  vnet/ip/udp_error.def				\
diff --git a/vnet/vnet/ip/ip.h b/vnet/vnet/ip/ip.h
index a0b4ea6d..35159bf2 100644
--- a/vnet/vnet/ip/ip.h
+++ b/vnet/vnet/ip/ip.h
@@ -63,8 +63,6 @@
 #include <vnet/ip/ip6_error.h>
 #include <vnet/ip/icmp6.h>
 
-#include <vnet/ip/tcp.h>
-
 #if DPDK > 0
 #include <vnet/devices/dpdk/dpdk.h>
 #endif
diff --git a/vnet/vnet/ip/tcp.h b/vnet/vnet/ip/tcp.h
deleted file mode 100644
index 98d8e34f..00000000
--- a/vnet/vnet/ip/tcp.h
+++ /dev/null
@@ -1,396 +0,0 @@
-/*
- * 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.
- */
-/*
- * ip/tcp.h: tcp protocol
- *
- * Copyright (c) 2011 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_tcp_protocol_h
-#define included_tcp_protocol_h
-
-#include <vppinfra/vector.h>
-
-/* No support for e.g. Altivec. */
-#if defined (__SSE2__)
-#define TCP_HAVE_VEC128
-#endif
-
-typedef union {
-  struct {
-    u16 src, dst;
-  };
-  u32 as_u32;
-} tcp_udp_ports_t;
-
-typedef union {
-#ifdef TCP_HAVE_VEC128
-  u32x4 as_u32x4;
-#endif
-  tcp_udp_ports_t as_ports[4];
-} tcp_udp_ports_x4_t;
-
-typedef struct {
-  union {
-#ifdef TCP_HAVE_VEC128
-    u32x4 as_u32x4;
-#endif
-    ip4_address_t as_ip4_address[4];
-  } src, dst;
-  tcp_udp_ports_x4_t ports;
-} ip4_tcp_udp_address_x4_t;
-
-typedef struct {
-  union {
-#ifdef TCP_HAVE_VEC128
-    u32x4 as_u32x4[4];
-#endif
-    u32   as_u32[4][4];
-  } src, dst;
-  tcp_udp_ports_x4_t ports;
-} ip6_tcp_udp_address_x4_t;
-
-typedef struct {
-  u32 his, ours;
-} tcp_sequence_pair_t;
-
-/* Time stamps saved from options. */
-typedef struct {
-  u32 ours_host_byte_order, his_net_byte_order;
-} tcp_time_stamp_pair_t;
-
-typedef struct {
-  ip4_tcp_udp_address_x4_t address_x4;
-  u32 time_stamps[4];
-} ip4_tcp_udp_address_x4_and_timestamps_t;
-
-typedef struct {
-  ip6_tcp_udp_address_x4_t address_x4;
-  u32 time_stamps[4];
-} ip6_tcp_udp_address_x4_and_timestamps_t;
-
-#define foreach_tcp_connection_state					\
-  /* unused */								\
-  _ (unused)								\
-  /* Sent SYN-ACK waiting for ACK if he ever feels like sending one. */	\
-  _ (listen_ack_wait)							\
-  /* Sent SYN waiting for ACK or RST. */				\
-  _ (connecting)							\
-  /* Pseudo-type for established connections. */			\
-  _ (established)
-
-typedef enum {
-#define _(f) TCP_CONNECTION_STATE_##f,
-  foreach_tcp_connection_state
-#undef _
-  TCP_N_CONNECTION_STATE,
-} tcp_connection_state_t;
-
-/* Kept small to fight off syn flood attacks. */
-typedef struct {
-  tcp_sequence_pair_t sequence_numbers;
-
-  tcp_time_stamp_pair_t time_stamps;
-
-  /* segment size and window scale (saved from options
-     or set to defaults). */
-  u16 max_segment_size;
-
-  u8 window_scale;
-
-  tcp_connection_state_t state : 8;
-} tcp_mini_connection_t;
-
-typedef struct {
-  /* Sum and sum^2 of measurements.
-     Used to compute average and RMS. */
-  f64 sum, sum2;
-
-  /* Number of measurements. */
-  f64 count;
-} tcp_round_trip_time_stats_t;
-
-typedef struct {
-  u32 first_buffer_index_this_packet;
-
-  u16 data_ip_checksum;
-
-  u16 n_data_bytes;
-} tcp_tx_packet_t;
-
-typedef struct {
-  tcp_sequence_pair_t sequence_numbers;
-
-  tcp_time_stamp_pair_t time_stamps;
-
-  tcp_tx_packet_t head_packet, tx_tail_packet, write_tail_packet;
-
-  u32 write_tail_buffer_index;
-
-  tcp_round_trip_time_stats_t round_trip_time_stats;
-
-  /* Number of un-acknowledged bytes we've sent. */
-  u32 n_tx_unacked_bytes;
-
-  /* segment size and window scale (saved from options
-     or set to defaults). */
-  u16 max_segment_size;
-
-  /* Window from latest received packet. */
-  u16 his_window;
-
-  u16 my_window;
-
-  u8 his_window_scale;
-
-  u8 my_window_scale;
-
-  /* ip4/ip6 tos/ttl to use for packets we send. */
-  u8 tos, ttl;
-
-  u16 flags;
-#define foreach_tcp_connection_flag		\
-  _ (ack_pending)				\
-  _ (fin_received)				\
-  _ (fin_sent)					\
-  _ (application_requested_close)
-
-  u8 listener_opaque[128
-		     - 1 * sizeof (tcp_sequence_pair_t)
-		     - 1 * sizeof (tcp_time_stamp_pair_t)
-		     - 3 * sizeof (tcp_tx_packet_t)
-		     - 1 * sizeof (tcp_round_trip_time_stats_t)
-		     - 2 * sizeof (u32)
-		     - 4 * sizeof (u16)
-		     - 4 * sizeof (u8)];
-} tcp_connection_t;
-
-typedef enum {
-  TCP_IP4,
-  TCP_IP6,
-  TCP_N_IP46,
-} tcp_ip_4_or_6_t;
-
-typedef enum {
-#define _(f) LOG2_TCP_CONNECTION_FLAG_##f,
-  foreach_tcp_connection_flag
-#undef _
-  N_TCP_CONNECTION_FLAG,
-#define _(f) TCP_CONNECTION_FLAG_##f = 1 << LOG2_TCP_CONNECTION_FLAG_##f,
-  foreach_tcp_connection_flag
-#undef _
-} tcp_connection_flag_t;
-
-typedef enum {
-  TCP_PACKET_TEMPLATE_SYN,
-  TCP_PACKET_TEMPLATE_SYN_ACK,
-  TCP_PACKET_TEMPLATE_ACK,
-  TCP_PACKET_TEMPLATE_FIN_ACK,
-  TCP_PACKET_TEMPLATE_RST_ACK,
-  TCP_N_PACKET_TEMPLATE,
-} tcp_packet_template_type_t;
-
-typedef struct {
-  vlib_packet_template_t vlib;
-
-  /* TCP checksum of template with zeros for all
-     variable fields.  Network byte order. */
-  u16 tcp_checksum_net_byte_order;
-
-  /* IP4 checksum. */
-  u16 ip4_checksum_net_byte_order;
-} tcp_packet_template_t;
-
-typedef struct {
-  u8 log2_n_mini_connection_hash_elts;
-  u8 log2_n_established_connection_hash_elts;
-  u8 is_ip6;
-
-  u32 mini_connection_hash_mask;
-  u32 established_connection_hash_mask;
-
-  uword * established_connection_overflow_hash;
-
-  tcp_mini_connection_t * mini_connections;
-
-  tcp_connection_t * established_connections;
-
-  /* Vector of established connection indices which need ACKs sent. */
-  u32 * connections_pending_acks;
-
-  /* Default valid_local_adjacency_bitmap for listeners who want to listen
-     for a given port in on all interfaces. */
-  uword * default_valid_local_adjacency_bitmap;
-
-  u32 output_node_index;
-
-  tcp_packet_template_t packet_templates[TCP_N_PACKET_TEMPLATE];
-} ip46_tcp_main_t;
-
-#define foreach_tcp_event					\
-  /* Received a SYN-ACK after sending a SYN to connect. */	\
-  _ (connection_established)					\
-  /* Received a reset (RST) after sending a SYN to connect. */	\
-  _ (connect_failed)						\
-  /* Received a FIN from an established connection. */		\
-  _ (fin_received)						\
-  _ (connection_closed)						\
-  /* Received a reset RST from an established connection. */	\
-  _ (reset_received)
-
-typedef enum {
-#define _(f) TCP_EVENT_##f,
-  foreach_tcp_event
-#undef _
-} tcp_event_type_t;
-
-typedef void (tcp_event_function_t)
-  (u32 * connections,
-   tcp_event_type_t event_type);
-
-typedef struct {
-  /* Bitmap indicating which of local (interface) addresses
-     we should listen on for this destination port. */
-  uword * valid_local_adjacency_bitmap;
-
-  /* Destination tcp/udp port to listen for connections. */
-  u16 dst_port;
-
-  u16 next_index;
-
-  u32 flags;
-
-  /* Connection indices for which event in event_function applies to. */
-  u32 * event_connections[TCP_N_IP46];
-  u32 * eof_connections[TCP_N_IP46];
-  u32 * close_connections[TCP_N_IP46];
-
-  tcp_event_function_t * event_function;
-} tcp_listener_t;
-
-typedef struct {
-  u8 next, error;
-} tcp_lookup_disposition_t;
-
-#define foreach_tcp_timer			\
-  /* Used to rank mini connections. */		\
-  _ (mini_connection, 10e-3)			\
-  /* Used for timestamps. */			\
-  _ (timestamp, 1e-6)
-
-typedef enum {
-#define _(f,s) TCP_TIMER_##f,
-  foreach_tcp_timer
-#undef _
-  TCP_N_TIMER,
-} tcp_timer_type_t;
-
-typedef struct {
-  ip46_tcp_main_t ip4, ip6;
-
-  /* Array of non-established connections, but soon-to be established connections. */
-  ip4_tcp_udp_address_x4_and_timestamps_t * ip4_mini_connection_address_hash;
-  ip6_tcp_udp_address_x4_and_timestamps_t * ip6_mini_connection_address_hash;
-
-  /* Vector of size log2_n_established_connection_hash_elts plus overflow. */
-  ip4_tcp_udp_address_x4_t * ip4_established_connection_address_hash;
-  ip6_tcp_udp_address_x4_t * ip6_established_connection_address_hash;
-
-  /* Jenkins hash seeds for established and mini hash tables. */
-  u32x4_union_t connection_hash_seeds[2][3];
-  u32x4_union_t connection_hash_masks[2];
-
-  /* Pool of listeners. */
-  tcp_listener_t * listener_pool;
-
-  /* Table mapping destination port to listener index. */
-  u16 * listener_index_by_dst_port;
-
-  tcp_lookup_disposition_t disposition_by_state_and_flags[TCP_N_CONNECTION_STATE][64];
-
-  u8 log2_clocks_per_tick[TCP_N_TIMER];
-
-  f64 secs_per_tick[TCP_N_TIMER];
-
-  /* Holds pointers to default and per-packet TCP options while
-     parsing a TCP packet's options. */
-  tcp_mini_connection_t option_decode_mini_connection_template;
-
-  /* Count of currently established connections. */
-  u32 n_established_connections[TCP_N_IP46];
-
-  u32 tx_buffer_free_list;
-  u32 tx_buffer_free_list_n_buffer_bytes;
-} tcp_main_t;
-
-/* Global TCP main structure. */
-tcp_main_t tcp_main;
-
-typedef struct {
-  /* Listen on this port. */
-  u16 port;
-
-#define TCP_LISTENER_IP4 (1 << 0)
-#define TCP_LISTENER_IP6 (1 << 1)
-  u16 flags;
-
-  /* Next node index for data packets. */
-  u32 data_node_index;
-
-  /* Event function: called on new connections, etc. */
-  tcp_event_function_t * event_function;
-} tcp_listener_registration_t;
-
-uword
-tcp_register_listener (vlib_main_t * vm, tcp_listener_registration_t * r);
-
-always_inline tcp_ip_4_or_6_t
-tcp_connection_is_ip6 (u32 h)
-{ return h & 1; }
-
-always_inline tcp_ip_4_or_6_t
-tcp_connection_handle_set (u32 iest, tcp_ip_4_or_6_t is_ip6)
-{ return is_ip6 + 2*iest; }
-
-always_inline tcp_connection_t *
-tcp_get_connection (u32 connection_handle)
-{
-  u32 iest = connection_handle / 2;
-  tcp_ip_4_or_6_t is_ip6 = tcp_connection_is_ip6 (connection_handle);
-  tcp_main_t * tm = &tcp_main;
-  ip46_tcp_main_t * tm46 = is_ip6 ? &tm->ip6 : &tm->ip4;
-  return vec_elt_at_index (tm46->established_connections, iest);
-}
-
-#endif /* included_tcp_protocol_h */