VPP-598: tcp stack initial commit

Change-Id: I49e5ce0aae6e4ff634024387ceaf7dbc432a0351
Signed-off-by: Dave Barach <dave@barachs.net>
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 0 insertions, 315 deletions

diff --git a/src/vnet/ip/udp.h b/src/vnet/ip/udp.h
deleted file mode 100644
index bad58b5d440..00000000000
--- a/src/vnet/ip/udp.h
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * ip/udp.h: udp protocol
- *
- * 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.
- */
-
-#ifndef included_udp_h
-#define included_udp_h
-
-#include <vnet/vnet.h>
-#include <vnet/ip/udp_packet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/ip4.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ip/format.h>
-
-typedef enum
-{
-#define udp_error(n,s) UDP_ERROR_##n,
-#include <vnet/ip/udp_error.def>
-#undef udp_error
-  UDP_N_ERROR,
-} udp_error_t;
-
-#define foreach_udp4_dst_port			\
-_ (67, dhcp_to_server)                          \
-_ (68, dhcp_to_client)                          \
-_ (500, ikev2)                                  \
-_ (3784, bfd4)                                  \
-_ (3785, bfd_echo4)                             \
-_ (4341, lisp_gpe)                              \
-_ (4342, lisp_cp)                          	\
-_ (4739, ipfix)                                 \
-_ (4789, vxlan)					\
-_ (4789, vxlan6)				\
-_ (4790, vxlan_gpe)				\
-_ (6633, vpath_3)
-
-
-#define foreach_udp6_dst_port                   \
-_ (547, dhcpv6_to_server)                       \
-_ (546, dhcpv6_to_client)			\
-_ (3784, bfd6)                                  \
-_ (3785, bfd_echo6)                             \
-_ (4341, lisp_gpe6)                             \
-_ (4342, lisp_cp6)                          	\
-_ (4790, vxlan6_gpe)      \
-_ (6633, vpath6_3)
-
-typedef enum
-{
-#define _(n,f) UDP_DST_PORT_##f = n,
-  foreach_udp4_dst_port foreach_udp6_dst_port
-#undef _
-} udp_dst_port_t;
-
-typedef enum
-{
-#define _(n,f) UDP6_DST_PORT_##f = n,
-  foreach_udp6_dst_port
-#undef _
-} udp6_dst_port_t;
-
-typedef struct
-{
-  /* Name (a c string). */
-  char *name;
-
-  /* GRE protocol type in host byte order. */
-  udp_dst_port_t dst_port;
-
-  /* Node which handles this type. */
-  u32 node_index;
-
-  /* Next index for this type. */
-  u32 next_index;
-} udp_dst_port_info_t;
-
-typedef enum
-{
-  UDP_IP6 = 0,
-  UDP_IP4,			/* the code is full of is_ip4... */
-  N_UDP_AF,
-} udp_af_t;
-
-typedef struct
-{
-  udp_dst_port_info_t *dst_port_infos[N_UDP_AF];
-
-  /* Hash tables mapping name/protocol to protocol info index. */
-  uword *dst_port_info_by_name[N_UDP_AF];
-  uword *dst_port_info_by_dst_port[N_UDP_AF];
-
-  /* convenience */
-  vlib_main_t *vlib_main;
-} udp_main_t;
-
-always_inline udp_dst_port_info_t *
-udp_get_dst_port_info (udp_main_t * um, udp_dst_port_t dst_port, u8 is_ip4)
-{
-  uword *p = hash_get (um->dst_port_info_by_dst_port[is_ip4], dst_port);
-  return p ? vec_elt_at_index (um->dst_port_infos[is_ip4], p[0]) : 0;
-}
-
-format_function_t format_udp_header;
-format_function_t format_udp_rx_trace;
-
-unformat_function_t unformat_udp_header;
-
-void udp_register_dst_port (vlib_main_t * vm,
-			    udp_dst_port_t dst_port,
-			    u32 node_index, u8 is_ip4);
-
-void udp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);
-
-always_inline void
-ip_udp_fixup_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 is_ip4)
-{
-  u16 new_l0;
-  udp_header_t *udp0;
-
-  if (is_ip4)
-    {
-      ip4_header_t *ip0;
-      ip_csum_t sum0;
-      u16 old_l0 = 0;
-
-      ip0 = vlib_buffer_get_current (b0);
-
-      /* fix the <bleep>ing outer-IP checksum */
-      sum0 = ip0->checksum;
-      /* old_l0 always 0, see the rewrite setup */
-      new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0));
-
-      sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
-			     length /* changed member */ );
-      ip0->checksum = ip_csum_fold (sum0);
-      ip0->length = new_l0;
-
-      /* Fix UDP length */
-      udp0 = (udp_header_t *) (ip0 + 1);
-      new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
-				     - sizeof (*ip0));
-      udp0->length = new_l0;
-    }
-  else
-    {
-      ip6_header_t *ip0;
-      int bogus0;
-
-      ip0 = vlib_buffer_get_current (b0);
-
-      new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
-				     - sizeof (*ip0));
-      ip0->payload_length = new_l0;
-
-      /* Fix UDP length */
-      udp0 = (udp_header_t *) (ip0 + 1);
-      udp0->length = new_l0;
-
-      udp0->checksum =
-	ip6_tcp_udp_icmp_compute_checksum (vm, b0, ip0, &bogus0);
-      ASSERT (bogus0 == 0);
-
-      if (udp0->checksum == 0)
-	udp0->checksum = 0xffff;
-    }
-}
-
-always_inline void
-ip_udp_encap_one (vlib_main_t * vm, vlib_buffer_t * b0, u8 * ec0, word ec_len,
-		  u8 is_ip4)
-{
-  vlib_buffer_advance (b0, -ec_len);
-
-  if (is_ip4)
-    {
-      ip4_header_t *ip0;
-
-      ip0 = vlib_buffer_get_current (b0);
-
-      /* Apply the encap string. */
-      clib_memcpy (ip0, ec0, ec_len);
-      ip_udp_fixup_one (vm, b0, 1);
-    }
-  else
-    {
-      ip6_header_t *ip0;
-
-      ip0 = vlib_buffer_get_current (b0);
-
-      /* Apply the encap string. */
-      clib_memcpy (ip0, ec0, ec_len);
-      ip_udp_fixup_one (vm, b0, 0);
-    }
-}
-
-always_inline void
-ip_udp_encap_two (vlib_main_t * vm, vlib_buffer_t * b0, vlib_buffer_t * b1,
-		  u8 * ec0, u8 * ec1, word ec_len, u8 is_v4)
-{
-  u16 new_l0, new_l1;
-  udp_header_t *udp0, *udp1;
-
-  ASSERT (_vec_len (ec0) == _vec_len (ec1));
-
-  vlib_buffer_advance (b0, -ec_len);
-  vlib_buffer_advance (b1, -ec_len);
-
-  if (is_v4)
-    {
-      ip4_header_t *ip0, *ip1;
-      ip_csum_t sum0, sum1;
-      u16 old_l0 = 0, old_l1 = 0;
-
-      ip0 = vlib_buffer_get_current (b0);
-      ip1 = vlib_buffer_get_current (b1);
-
-      /* Apply the encap string */
-      clib_memcpy (ip0, ec0, ec_len);
-      clib_memcpy (ip1, ec1, ec_len);
-
-      /* fix the <bleep>ing outer-IP checksum */
-      sum0 = ip0->checksum;
-      sum1 = ip1->checksum;
-
-      /* old_l0 always 0, see the rewrite setup */
-      new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0));
-      new_l1 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b1));
-
-      sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
-			     length /* changed member */ );
-      sum1 = ip_csum_update (sum1, old_l1, new_l1, ip4_header_t,
-			     length /* changed member */ );
-
-      ip0->checksum = ip_csum_fold (sum0);
-      ip1->checksum = ip_csum_fold (sum1);
-
-      ip0->length = new_l0;
-      ip1->length = new_l1;
-
-      /* Fix UDP length */
-      udp0 = (udp_header_t *) (ip0 + 1);
-      udp1 = (udp_header_t *) (ip1 + 1);
-
-      new_l0 =
-	clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) -
-			      sizeof (*ip0));
-      new_l1 =
-	clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b1) -
-			      sizeof (*ip1));
-      udp0->length = new_l0;
-      udp1->length = new_l1;
-    }
-  else
-    {
-      ip6_header_t *ip0, *ip1;
-      int bogus0, bogus1;
-
-      ip0 = vlib_buffer_get_current (b0);
-      ip1 = vlib_buffer_get_current (b1);
-
-      /* Apply the encap string. */
-      clib_memcpy (ip0, ec0, ec_len);
-      clib_memcpy (ip1, ec1, ec_len);
-
-      new_l0 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
-				     - sizeof (*ip0));
-      new_l1 = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b1)
-				     - sizeof (*ip1));
-      ip0->payload_length = new_l0;
-      ip1->payload_length = new_l1;
-
-      /* Fix UDP length */
-      udp0 = (udp_header_t *) (ip0 + 1);
-      udp1 = (udp_header_t *) (ip1 + 1);
-
-      udp0->length = new_l0;
-      udp1->length = new_l1;
-
-      udp0->checksum =
-	ip6_tcp_udp_icmp_compute_checksum (vm, b0, ip0, &bogus0);
-      udp1->checksum =
-	ip6_tcp_udp_icmp_compute_checksum (vm, b1, ip1, &bogus1);
-      ASSERT (bogus0 == 0);
-      ASSERT (bogus1 == 0);
-
-      if (udp0->checksum == 0)
-	udp0->checksum = 0xffff;
-      if (udp1->checksum == 0)
-	udp1->checksum = 0xffff;
-    }
-}
-
-#endif /* included_udp_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */