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Diffstat (limited to 'vnet/vnet/ip/tcp_pg.c')
-rw-r--r--vnet/vnet/ip/tcp_pg.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/vnet/vnet/ip/tcp_pg.c b/vnet/vnet/ip/tcp_pg.c
deleted file mode 100644
index 122592d1594..00000000000
--- a/vnet/vnet/ip/tcp_pg.c
+++ /dev/null
@@ -1,224 +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_pg: TCP packet-generator interface
- *
- * 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.
- */
-
-#include <vnet/ip/ip.h>
-#include <vnet/pg/pg.h>
-
-static void
-tcp_pg_edit_function (pg_main_t * pg,
- pg_stream_t * s,
- pg_edit_group_t * g,
- u32 * packets,
- u32 n_packets)
-{
- vlib_main_t * vm = pg->vlib_main;
- u32 ip_offset, tcp_offset;
-
- tcp_offset = g->start_byte_offset;
- ip_offset = (g-1)->start_byte_offset;
-
- while (n_packets >= 1)
- {
- vlib_buffer_t * p0;
- ip4_header_t * ip0;
- tcp_header_t * tcp0;
- ip_csum_t sum0;
- u32 tcp_len0;
-
- p0 = vlib_get_buffer (vm, packets[0]);
- n_packets -= 1;
- packets += 1;
-
- ASSERT (p0->current_data == 0);
- ip0 = (void *) (p0->data + ip_offset);
- tcp0 = (void *) (p0->data + tcp_offset);
- tcp_len0 = clib_net_to_host_u16 (ip0->length) - sizeof (ip0[0]);
-
- /* Initialize checksum with header. */
- if (BITS (sum0) == 32)
- {
- sum0 = clib_mem_unaligned (&ip0->src_address, u32);
- sum0 = ip_csum_with_carry (sum0, clib_mem_unaligned (&ip0->dst_address, u32));
- }
- else
- sum0 = clib_mem_unaligned (&ip0->src_address, u64);
-
- sum0 = ip_csum_with_carry
- (sum0, clib_host_to_net_u32 (tcp_len0 + (ip0->protocol << 16)));
-
- /* Invalidate possibly old checksum. */
- tcp0->checksum = 0;
-
- sum0 = ip_incremental_checksum_buffer (vm, p0, tcp_offset, tcp_len0, sum0);
-
- tcp0->checksum = ~ ip_csum_fold (sum0);
- }
-}
-
-typedef struct {
- struct { pg_edit_t src, dst; } ports;
- pg_edit_t seq_number, ack_number;
- pg_edit_t tcp_header_u32s;
-#define _(f) pg_edit_t f##_flag;
- foreach_tcp_flag
-#undef _
- pg_edit_t window;
- pg_edit_t checksum;
- pg_edit_t urgent_pointer;
-} pg_tcp_header_t;
-
-static inline void
-pg_tcp_header_init (pg_tcp_header_t * p)
-{
- /* Initialize fields that are not bit fields in the IP header. */
-#define _(f) pg_edit_init (&p->f, tcp_header_t, f);
- _ (ports.src);
- _ (ports.dst);
- _ (seq_number);
- _ (ack_number);
- _ (window);
- _ (checksum);
- _ (urgent_pointer);
-#undef _
-
- /* Initialize bit fields. */
-#define _(f) \
- pg_edit_init_bitfield (&p->f##_flag, tcp_header_t, \
- flags, \
- TCP_FLAG_BIT_##f, 1);
-
- foreach_tcp_flag
-#undef _
-
- pg_edit_init_bitfield (&p->tcp_header_u32s, tcp_header_t,
- tcp_header_u32s_and_reserved,
- 4, 4);
-}
-
-uword
-unformat_pg_tcp_header (unformat_input_t * input, va_list * args)
-{
- pg_stream_t * s = va_arg (*args, pg_stream_t *);
- pg_tcp_header_t * p;
- u32 group_index;
-
- p = pg_create_edit_group (s, sizeof (p[0]), sizeof (tcp_header_t),
- &group_index);
- pg_tcp_header_init (p);
-
- /* Defaults. */
- pg_edit_set_fixed (&p->seq_number, 0);
- pg_edit_set_fixed (&p->ack_number, 0);
-
- pg_edit_set_fixed (&p->tcp_header_u32s, sizeof (tcp_header_t) / sizeof (u32));
-
- pg_edit_set_fixed (&p->window, 4096);
- pg_edit_set_fixed (&p->urgent_pointer, 0);
-
-#define _(f) pg_edit_set_fixed (&p->f##_flag, 0);
- foreach_tcp_flag
-#undef _
-
- p->checksum.type = PG_EDIT_UNSPECIFIED;
-
- if (! unformat (input, "TCP: %U -> %U",
- unformat_pg_edit,
- unformat_tcp_udp_port, &p->ports.src,
- unformat_pg_edit,
- unformat_tcp_udp_port, &p->ports.dst))
- goto error;
-
- /* Parse options. */
- while (1)
- {
- if (unformat (input, "window %U",
- unformat_pg_edit,
- unformat_pg_number, &p->window))
- ;
-
- else if (unformat (input, "checksum %U",
- unformat_pg_edit,
- unformat_pg_number, &p->checksum))
- ;
-
- /* Flags. */
-#define _(f) else if (unformat (input, #f)) pg_edit_set_fixed (&p->f##_flag, 1);
- foreach_tcp_flag
-#undef _
-
- /* Can't parse input: try next protocol level. */
- else
- break;
- }
-
- {
- ip_main_t * im = &ip_main;
- u16 dst_port;
- tcp_udp_port_info_t * pi;
-
- pi = 0;
- if (p->ports.dst.type == PG_EDIT_FIXED)
- {
- dst_port = pg_edit_get_value (&p->ports.dst, PG_EDIT_LO);
- pi = ip_get_tcp_udp_port_info (im, dst_port);
- }
-
- if (pi && pi->unformat_pg_edit
- && unformat_user (input, pi->unformat_pg_edit, s))
- ;
-
- else if (! unformat_user (input, unformat_pg_payload, s))
- goto error;
-
- if (p->checksum.type == PG_EDIT_UNSPECIFIED)
- {
- pg_edit_group_t * g = pg_stream_get_group (s, group_index);
- g->edit_function = tcp_pg_edit_function;
- g->edit_function_opaque = 0;
- }
-
- return 1;
- }
-
- error:
- /* Free up any edits we may have added. */
- pg_free_edit_group (s);
- return 0;
-}
-