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-rw-r--r--src/vnet/tcp/tcp_output.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index bbcbc912175..2b5a5cd73fe 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1771,6 +1771,14 @@ tcp46_output_inline (vlib_main_t * vm,
tcp_header_t *th0 = 0;
u32 error0 = TCP_ERROR_PKTS_SENT, next0 = TCP_OUTPUT_NEXT_IP_LOOKUP;
+ if (n_left_from > 1)
+ {
+ vlib_buffer_t *pb;
+ pb = vlib_get_buffer (vm, from[1]);
+ vlib_prefetch_buffer_header (pb, STORE);
+ CLIB_PREFETCH (pb->data, 2 * CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
bi0 = from[0];
to_next[0] = bi0;
from += 1;
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/*
 * Copyright (c) 2017 Intel 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.
 */

option version = "1.0.0";

/** \brief Set or delete an GTPU tunnel
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param is_ipv6 - src_address and dst_address is ipv6 or not
    @param src_address - GTPU tunnel's source address.
    @param dst_address - GTPU tunnel's destination address.
    @param mcast_sw_if_index - version, O-bit and C-bit (see nsh_packet.h)
    @param encap_vrf_id - fib identifier used for outgoing encapsulated packets
    @param decap_next_index - the index of the next node if success
    @param teid - Local Tunnel Endpoint Identifier
*/
define gtpu_add_del_tunnel
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_ipv6;
  u8 src_address[16];
  u8 dst_address[16];
  u32 mcast_sw_if_index;
  u32 encap_vrf_id;
  u32 decap_next_index;
  u32 teid;
};

/** \brief reply for set or delete an GTPU tunnel
    @param context - sender context, to match reply w/ request
    @param retval - return code
    @param sw_if_index - software index of the interface
*/
define gtpu_add_del_tunnel_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Dump GTPU tunnel
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - software index of the interface
*/
define gtpu_tunnel_dump
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief dump details of an GTPU tunnel
    @param context - sender context, to match reply w/ request
    @param sw_if_index - software index of the interface
    @param is_ipv6 - src_address and dst_address is ipv6 or not
    @param src_address - GTPU tunnel's source address.
    @param dst_address - GTPU tunnel's destination address.
    @param mcast_sw_if_index - version, O-bit and C-bit (see nsh_packet.h)
    @param encap_vrf_id - fib identifier used for outgoing encapsulated packets
    @param decap_next_index - the index of the next node if success
    @param teid - Local Tunnel Endpoint Identifier
*/
define gtpu_tunnel_details
{
  u32 context;
  u32 sw_if_index;
  u8 is_ipv6;
  u8 src_address[16];
  u8 dst_address[16];
  u32 mcast_sw_if_index;
  u32 encap_vrf_id;
  u32 decap_next_index;
  u32 teid;
};

/** \brief Interface set gtpu-bypass request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface used to reach neighbor
    @param is_ipv6 - if non-zero, enable ipv6-gtpu-bypass, else ipv4-gtpu-bypass
    @param enable - if non-zero enable, else disable
*/
define sw_interface_set_gtpu_bypass
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_ipv6;
  u8 enable;
};

/** \brief Interface set gtpu-bypass response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_set_gtpu_bypass_reply
{
  u32 context;
  i32 retval;
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */