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authorDave Barach <dave@barachs.net>2018-11-13 16:34:13 -0500
committerFlorin Coras <florin.coras@gmail.com>2018-11-14 15:54:01 +0000
commit178cf493d009995b28fdf220f04c98860ff79a9b (patch)
tree097c1be82b8f6fa9bc04b9b1e193158e2e4997eb /src/vnet/session/session_node.c
parent6917b94f2146aa51195a6a2a1ccd8416a1d74bf3 (diff)
Remove c-11 memcpy checks from perf-critical code
Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/session/session_node.c')
-rw-r--r--src/vnet/session/session_node.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 22d8d3c45b0..cf2d5766fb0 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -800,7 +800,7 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
{
vec_add2 (fifo_events, e, 1);
svm_msg_q_sub_w_lock (mq, msg);
- clib_memcpy (e, svm_msg_q_msg_data (mq, msg), sizeof (*e));
+ clib_memcpy_fast (e, svm_msg_q_msg_data (mq, msg), sizeof (*e));
svm_msg_q_free_msg (mq, msg);
}
svm_msg_q_unlock (mq);
@@ -961,7 +961,7 @@ dump_thread_0_event_queue (void)
{
msg = (svm_msg_q_msg_t *) (&mq->q->data[0] + mq->q->elsize * index);
ring = svm_msg_q_ring (mq, msg->ring_index);
- clib_memcpy (e, svm_msg_q_msg_data (mq, msg), ring->elsize);
+ clib_memcpy_fast (e, svm_msg_q_msg_data (mq, msg), ring->elsize);
switch (e->event_type)
{
@@ -1053,7 +1053,7 @@ session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e)
{
msg = (svm_msg_q_msg_t *) (&mq->q->data[0] + mq->q->elsize * index);
ring = svm_msg_q_ring (mq, msg->ring_index);
- clib_memcpy (e, svm_msg_q_msg_data (mq, msg), ring->elsize);
+ clib_memcpy_fast (e, svm_msg_q_msg_data (mq, msg), ring->elsize);
found = session_node_cmp_event (e, f);
if (found)
return 1;
@@ -1069,7 +1069,7 @@ session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e)
found = session_node_cmp_event (evt, f);
if (found)
{
- clib_memcpy (e, evt, sizeof (*evt));
+ clib_memcpy_fast (e, evt, sizeof (*evt));
break;
}
}
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/*
 * Copyright (c) 2020 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.
 */
/**
 * @file
 * @brief NAT port/address allocation lib
 */
#ifndef included_nat_lib_h__
#define included_nat_lib_h__

#include <vlibapi/api.h>

/* NAT API Configuration flags */
#define foreach_nat_config_flag \
  _(0x01, IS_TWICE_NAT)         \
  _(0x02, IS_SELF_TWICE_NAT)    \
  _(0x04, IS_OUT2IN_ONLY)       \
  _(0x08, IS_ADDR_ONLY)         \
  _(0x10, IS_OUTSIDE)           \
  _(0x20, IS_INSIDE)            \
  _(0x40, IS_STATIC)            \
  _(0x80, IS_EXT_HOST_VALID)

typedef enum nat_config_flags_t_
{
#define _(n,f) NAT_API_##f = n,
  foreach_nat_config_flag
#undef _
} nat_config_flags_t;

#define foreach_nat_counter _ (tcp) _ (udp) _ (icmp) _ (other) _ (drops)

#define foreach_nat_error                      \
  _ (VALUE_EXIST, -1, "Value already exists")  \
  _ (NO_SUCH_ENTRY, -2, "No such entry")       \
  _ (UNKNOWN_PROTOCOL, -3, "Unknown protocol") \
  _ (OUT_OF_TRANSLATIONS, -4, "Out of translations")

typedef enum
{
#define _(N, i, s) NAT_ERROR_##N = i,
  foreach_nat_error
#undef _
} nat_error_t;

#define foreach_nat_protocol   \
  _ (OTHER, 0, other, "other") \
  _ (UDP, 1, udp, "udp")       \
  _ (TCP, 2, tcp, "tcp")       \
  _ (ICMP, 3, icmp, "icmp")

typedef enum
{
#define _(N, i, n, s) NAT_PROTOCOL_##N = i,
  foreach_nat_protocol
#undef _
} nat_protocol_t;

/* default protocol timeouts */
#define NAT_UDP_TIMEOUT 300
#define NAT_TCP_TRANSITORY_TIMEOUT 240
#define NAT_TCP_ESTABLISHED_TIMEOUT 7440
#define NAT_ICMP_TIMEOUT 60

typedef struct
{
  struct
  {
    u32 established;
    u32 transitory;
  } tcp;

  u32 udp;
  u32 icmp;

} nat_timeouts_t;

static_always_inline void
nat_reset_timeouts (nat_timeouts_t * timeouts)
{
  timeouts->udp = NAT_UDP_TIMEOUT;
  timeouts->tcp.established = NAT_TCP_ESTABLISHED_TIMEOUT;
  timeouts->tcp.transitory = NAT_TCP_TRANSITORY_TIMEOUT;
  timeouts->icmp = NAT_ICMP_TIMEOUT;
}

// TODO: move common formating definitions here

#endif /* included_nat_lib_h__ */
/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */