summaryrefslogtreecommitdiffstats
path: root/src/plugins/http_static/static_server.c
diff options
context:
space:
mode:
authorAndrew Yourtchenko <ayourtch@gmail.com>2021-09-23 14:52:28 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2021-09-23 14:52:28 +0200
commitfd9d936b3c58d914f5ee5eccf14739d1d3b35e2c (patch)
treec848229efdfeb6b7df42d6005fbd2e3160c80ab9 /src/plugins/http_static/static_server.c
parent87f478be8823e563b9c67972c6ff526fe4858cba (diff)
misc: Initial changes for stable/2110 branchv21.10-rc1
Change-Id: Ib3bf8f46a987324be4c7f016b96027558e9d58ef Type: docs Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Diffstat (limited to 'src/plugins/http_static/static_server.c')
0 files changed, 0 insertions, 0 deletions
ground-color: #49483e } .highlight .c { color: #75715e } /* Comment */ .highlight .err { color: #960050; background-color: #1e0010 } /* Error */ .highlight .k { color: #66d9ef } /* Keyword */ .highlight .l { color: #ae81ff } /* Literal */ .highlight .n { color: #f8f8f2 } /* Name */ .highlight .o { color: #f92672 } /* Operator */ .highlight .p { color: #f8f8f2 } /* Punctuation */ .highlight .ch { color: #75715e } /* Comment.Hashbang */ .highlight .cm { color: #75715e } /* Comment.Multiline */ .highlight .cp { color: #75715e } /* Comment.Preproc */ .highlight .cpf { color: #75715e } /* Comment.PreprocFile */ .highlight .c1 { color: #75715e } /* Comment.Single */ .highlight .cs { color: #75715e } /* Comment.Special */ .highlight .gd { color: #f92672 } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gi { color: #a6e22e } /* Generic.Inserted */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #75715e } /* Generic.Subheading */ .highlight .kc { color: #66d9ef } /* Keyword.Constant */ .highlight .kd { color: #66d9ef } /* Keyword.Declaration */ .highlight .kn { color: #f92672 } /* Keyword.Namespace */ .highlight .kp { color: #66d9ef } /* Keyword.Pseudo */ .highlight .kr { color: #66d9ef } /* Keyword.Reserved */ .highlight .kt { color: #66d9ef } /* Keyword.Type */ .highlight .ld { color: #e6db74 } /* Literal.Date */ .highlight .m { color: #ae81ff } /* Literal.Number */ .highlight .s { color: #e6db74 } /* Literal.String */ .highlight .na { color: #a6e22e } /* Name.Attribute */ .highlight .nb { color: #f8f8f2 } /* Name.Builtin */ .highlight .nc { color: #a6e22e } /* Name.Class */ .highlight .no { color: #66d9ef } /* Name.Constant */ .highlight .nd { color: #a6e22e } /* Name.Decorator */ .highlight .ni { color: #f8f8f2 } /* Name.Entity */ .highlight .ne { color: #a6e22e } /* Name.Exception */ .highlight .nf { color: #a6e22e } /* Name.Function */ .highlight .nl { color: #f8f8f2 } /* Name.Label */ .highlight .nn { color: #f8f8f2 } /* Name.Namespace */ .highlight .nx { color: #a6e22e } /* Name.Other */ .highlight .py { color: #f8f8f2 } /* Name.Property */ .highlight .nt { color: #f92672 } /* Name.Tag */ .highlight .nv { color: #f8f8f2 } /* Name.Variable */ .highlight .ow { color: #f92672 } /* Operator.Word */ .highlight .w { color: #f8f8f2 } /* Text.Whitespace */ .highlight .mb { color: #ae81ff } /* Literal.Number.Bin */ .highlight .mf { color: #ae81ff } /* Literal.Number.Float */ .highlight .mh { color: #ae81ff } /* Literal.Number.Hex */ .highlight .mi { color: #ae81ff } /* Literal.Number.Integer */ .highlight .mo { color: #ae81ff } /* Literal.Number.Oct */ .highlight .sa { color: #e6db74 } /* Literal.String.Affix */ .highlight .sb { color: #e6db74 } /* Literal.String.Backtick */ .highlight .sc { color: #e6db74 } /* Literal.String.Char */ .highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */ .highlight .sd { color: #e6db74 } /* Literal.String.Doc */ .highlight .s2 { color: #e6db74 } /* Literal.String.Double */ .highlight .se { color: #ae81ff } /* Literal.String.Escape */ .highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */ .highlight .si { color: #e6db74 } /* Literal.String.Interpol */ .highlight .sx { color: #e6db74 } /* Literal.String.Other */ .highlight .sr { color: #e6db74 } /* Literal.String.Regex */ .highlight .s1 { color: #e6db74 } /* Literal.String.Single */ .highlight .ss { color: #e6db74 } /* Literal.String.Symbol */ .highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #a6e22e } /* Name.Function.Magic */ .highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */ .highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */ .highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */ .highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */ .highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */ } @media (prefers-color-scheme: light) { .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * Copyright (c) 2017-2019 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.
 */

#include <vnet/tcp/tcp.h>
#include <vnet/tcp/tcp_inlines.h>

typedef struct nwreno_cfg_
{
  u32 ssthresh;
} newreno_cfg_t;

static newreno_cfg_t newreno_cfg = {
  .ssthresh = 0x7FFFFFFFU,
};

static void
newreno_congestion (tcp_connection_t * tc)
{
  tc->ssthresh = clib_max (tcp_flight_size (tc) / 2, 2 * tc->snd_mss);
  tc->cwnd = tc->ssthresh;
}

static void
newreno_loss (tcp_connection_t * tc)
{
  tc->cwnd = tcp_loss_wnd (tc);
}

static void
newreno_recovered (tcp_connection_t * tc)
{
  tc->cwnd = tc->ssthresh;
}

static void
newreno_rcv_ack (tcp_connection_t * tc, tcp_rate_sample_t * rs)
{
  if (tcp_in_slowstart (tc))
    {
      tc->cwnd += clib_min (tc->snd_mss, tc->bytes_acked);
    }
  else
    {
      /* tc->cwnd += clib_max ((tc->snd_mss * tc->snd_mss) / tc->cwnd, 1); */
      tcp_cwnd_accumulate (tc, tc->cwnd, tc->bytes_acked);
    }
}

void
newreno_rcv_cong_ack (tcp_connection_t * tc, tcp_cc_ack_t ack_type,
		      tcp_rate_sample_t * rs)
{
  if (ack_type == TCP_CC_DUPACK)
    {
      if (!tcp_opts_sack_permitted (tc))
	tc->cwnd += tc->snd_mss;
    }
  else if (ack_type == TCP_CC_PARTIALACK)
    {
      /* RFC 6582 Sec. 3.2 */
      if (!tcp_opts_sack_permitted (&tc->rcv_opts))
	{
	  /* Deflate the congestion window by the amount of new data
	   * acknowledged by the Cumulative Acknowledgment field.
	   * If the partial ACK acknowledges at least one SMSS of new data,
	   * then add back SMSS bytes to the congestion window. This
	   * artificially inflates the congestion window in order to reflect
	   * the additional segment that has left the network. This "partial
	   * window deflation" attempts to ensure that, when fast recovery
	   * eventually ends, approximately ssthresh amount of data will be
	   * outstanding in the network.*/
	  tc->cwnd = (tc->cwnd > tc->bytes_acked + tc->snd_mss) ?
	    tc->cwnd - tc->bytes_acked : tc->snd_mss;
	  if (tc->bytes_acked > tc->snd_mss)
	    tc->cwnd += tc->snd_mss;
	}
    }
}

static void
newreno_conn_init (tcp_connection_t * tc)
{
  tc->ssthresh = newreno_cfg.ssthresh;
  tc->cwnd = tcp_initial_cwnd (tc);
}

static uword
newreno_unformat_config (unformat_input_t * input)
{
  u32 ssthresh = 0x7FFFFFFFU;

  if (!input)
    return 0;

  unformat_skip_white_space (input);

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "ssthresh %u", &ssthresh))
	newreno_cfg.ssthresh = ssthresh;
      else
	return 0;
    }
  return 1;
}

const static tcp_cc_algorithm_t tcp_newreno = {
  .name = "newreno",
  .unformat_cfg = newreno_unformat_config,
  .congestion = newreno_congestion,
  .loss = newreno_loss,
  .recovered = newreno_recovered,
  .rcv_ack = newreno_rcv_ack,
  .rcv_cong_ack = newreno_rcv_cong_ack,
  .init = newreno_conn_init
};

clib_error_t *
newreno_init (vlib_main_t * vm)
{
  clib_error_t *error = 0;

  tcp_cc_algo_register (TCP_CC_NEWRENO, &tcp_newreno);

  return error;
}

VLIB_INIT_FUNCTION (newreno_init);

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