aboutsummaryrefslogtreecommitdiffstats
path: root/docs/featuresbyrelease/index.rst
AgeCommit message (Expand)AuthorFilesLines
2018-11-12docs: add 1810, including package cloudjdenisco1-1/+2
2018-08-30docs: Add features by release sectionScitt Keeler1-0/+21
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 
/*
 * gbp.h : Group Based Policy
 *
 * Copyright (c) 2018 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 <plugins/gbp/gbp.h>

/**
 * Single contract DB instance
 */
gbp_contract_db_t gbp_contract_db;

void
gbp_contract_update (epg_id_t src_epg, epg_id_t dst_epg, u32 acl_index)
{
  gbp_main_t *gm = &gbp_main;
  u32 *acl_vec = 0;
  gbp_contract_value_t value = {
    .gc_lc_index = ~0,
    .gc_acl_index = ~0,
  };
  uword *p;

  gbp_contract_key_t key = {
    .gck_src = src_epg,
    .gck_dst = dst_epg,
  };

  if (~0 == gm->gbp_acl_user_id)
    {
      acl_plugin_exports_init (&gm->acl_plugin);
      gm->gbp_acl_user_id =
	gm->acl_plugin.register_user_module ("GBP ACL", "src-epg", "dst-epg");
    }

  p = hash_get (gbp_contract_db.gc_hash, key.as_u64);
  if (p != NULL)
    {
      value.as_u64 = p[0];
    }
  else
    {
      value.gc_lc_index =
	gm->acl_plugin.get_lookup_context_index (gm->gbp_acl_user_id, src_epg,
						 dst_epg);
      value.gc_acl_index = acl_index;
      hash_set (gbp_contract_db.gc_hash, key.as_u64, value.as_u64);
    }

  if (value.gc_lc_index == ~0)
    return;
  vec_add1 (acl_vec, acl_index);
  gm->acl_plugin.set_acl_vec_for_context (value.gc_lc_index, acl_vec);
  vec_free (acl_vec);
}

void
gbp_contract_delete (epg_id_t src_epg, epg_id_t dst_epg)
{
  gbp_main_t *gm = &gbp_main;
  uword *p;
  gbp_contract_value_t value;
  gbp_contract_key_t key = {
    .gck_src = src_epg,
    .gck_dst = dst_epg,
  };

  p = hash_get (gbp_contract_db.gc_hash, key.as_u64);
  if (p != NULL)
    {
      value.as_u64 = p[0];
      gm->acl_plugin.put_lookup_context_index (value.gc_lc_index);
    }
  hash_unset (gbp_contract_db.gc_hash, key.as_u64);
}

void
gbp_contract_walk (gbp_contract_cb_t cb, void *ctx)
{
  gbp_contract_key_t key;
  gbp_contract_value_t value;

  /* *INDENT-OFF* */
  hash_foreach(key.as_u64, value.as_u64, gbp_contract_db.gc_hash,
  ({
    gbp_contract_t gbpc = {
      .gc_key = key,
      .gc_value = value,
    };

    if (!cb(&gbpc, ctx))
      break;
  }));
  /* *INDENT-ON* */
}

static clib_error_t *
gbp_contract_cli (vlib_main_t * vm,
		  unformat_input_t * input, vlib_cli_command_t * cmd)
{
  epg_id_t src_epg_id = EPG_INVALID, dst_epg_id = EPG_INVALID;
  u32 acl_index = ~0;
  u8 add = 1;

  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (input, "add"))
	add = 1;
      else if (unformat (input, "del"))
	add = 0;
      else if (unformat (input, "src-epg %d", &src_epg_id))
	;
      else if (unformat (input, "dst-epg %d", &dst_epg_id))
	;
      else if (unformat (input, "acl-index %d", &acl_index))
	;
      else
	break;
    }

  if (EPG_INVALID == src_epg_id)
    return clib_error_return (0, "Source EPG-ID must be specified");
  if (EPG_INVALID == dst_epg_id)
    return clib_error_return (0, "Destination EPG-ID must be specified");

  if (add)
    {
      gbp_contract_update (src_epg_id, dst_epg_id, acl_index);
    }
  else
    {
      gbp_contract_delete (src_epg_id, dst_epg_id);
    }

  return (NULL);
}

/*?
 * Configure a GBP Contract
 *
 * @cliexpar
 * @cliexstart{set gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>}
 * @cliexend
 ?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (gbp_contract_cli_node, static) =
{
  .path = "gbp contract",
  .short_help =
    "gbp contract [del] src-epg <ID> dst-epg <ID> acl-index <ACL>",
  .function = gbp_contract_cli,
};
/* *INDENT-ON* */

static clib_error_t *
gbp_contract_show (vlib_main_t * vm,
		   unformat_input_t * input, vlib_cli_command_t * cmd)
{
  gbp_contract_key_t key;
  gbp_contract_value_t value;

  vlib_cli_output (vm, "Contracts:");

  /* *INDENT-OFF* */
  hash_foreach (key.as_u64, value.as_u64, gbp_contract_db.gc_hash,
  {
    vlib_cli_output (vm, "  {%d,%d} -> %d", key.gck_src,
                     key.gck_dst, value.gc_acl_index);
  });
  /* *INDENT-ON* */

  return (NULL);
}

/*?
 * Show Group Based Policy Contracts
 *
 * @cliexpar
 * @cliexstart{show gbp contract}
 * @cliexend
 ?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (gbp_contract_show_node, static) = {
  .path = "show gbp contract",
  .short_help = "show gbp contract\n",
  .function = gbp_contract_show,
};
/* *INDENT-ON* */

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