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-rw-r--r--vnet/vnet/l2/l2_fib.c857
1 files changed, 0 insertions, 857 deletions
diff --git a/vnet/vnet/l2/l2_fib.c b/vnet/vnet/l2/l2_fib.c
deleted file mode 100644
index d34836e33d0..00000000000
--- a/vnet/vnet/l2/l2_fib.c
+++ /dev/null
@@ -1,857 +0,0 @@
-/*
- * l2_fib.c : layer 2 forwarding table (aka mac table)
- *
- * Copyright (c) 2013 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 <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vlib/cli.h>
-
-#include <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/l2_fib.h>
-#include <vnet/l2/l2_learn.h>
-#include <vnet/l2/l2_bd.h>
-
-#include <vppinfra/bihash_template.c>
-
-/**
- * @file
- * @brief Ethernet MAC Address FIB Table Management.
- *
- * The MAC Address forwarding table for bridge-domains is called the l2fib.
- * Entries are added automatically as part of mac learning, but MAC Addresses
- * entries can also be added manually.
- *
- */
-
-typedef struct
-{
-
- /* hash table */
- BVT (clib_bihash) mac_table;
-
- /* convenience variables */
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-} l2fib_main_t;
-
-l2fib_main_t l2fib_main;
-
-
-/** Format sw_if_index. If the value is ~0, use the text "N/A" */
-u8 *
-format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args)
-{
- vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
- u32 sw_if_index = va_arg (*args, u32);
- if (sw_if_index == ~0)
- return format (s, "N/A");
- else
- return format (s, "%U",
- format_vnet_sw_interface_name, vnm,
- vnet_get_sw_interface (vnm, sw_if_index));
-}
-
-void
-l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key,
- l2fib_entry_result_t ** l2fe_res)
-{
- l2fib_main_t *msm = &l2fib_main;
- BVT (clib_bihash) * h = &msm->mac_table;
- clib_bihash_bucket_t *b;
- BVT (clib_bihash_value) * v;
- l2fib_entry_key_t key;
- l2fib_entry_result_t result;
- int i, j, k;
-
- for (i = 0; i < h->nbuckets; i++)
- {
- b = &h->buckets[i];
- if (b->offset == 0)
- continue;
- v = BV (clib_bihash_get_value) (h, b->offset);
- for (j = 0; j < (1 << b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
- continue;
-
- key.raw = v->kvp[k].key;
- result.raw = v->kvp[k].value;
-
- if ((bd_index == ~0) || (bd_index == key.fields.bd_index))
- {
- vec_add1 (*l2fe_key, key);
- vec_add1 (*l2fe_res, result);
- }
- }
- v++;
- }
- }
-}
-
-/** Display the contents of the l2fib. */
-static clib_error_t *
-show_l2fib (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- l2fib_main_t *msm = &l2fib_main;
- l2_bridge_domain_t *bd_config;
- BVT (clib_bihash) * h = &msm->mac_table;
- clib_bihash_bucket_t *b;
- BVT (clib_bihash_value) * v;
- l2fib_entry_key_t key;
- l2fib_entry_result_t result;
- u32 first_entry = 1;
- u64 total_entries = 0;
- int i, j, k;
- u8 verbose = 0;
- u8 raw = 0;
- u32 bd_id, bd_index = ~0;
- u8 now = (u8) (vlib_time_now (vm) / 60);
- u8 *s = 0;
-
- if (unformat (input, "raw"))
- raw = 1;
- else if (unformat (input, "verbose"))
- verbose = 1;
- else if (unformat (input, "bd_index %d", &bd_index))
- verbose = 1;
- else if (unformat (input, "bd_id %d", &bd_id))
- {
- uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p)
- {
- verbose = 1;
- bd_index = p[0];
- }
- else
- {
- vlib_cli_output (vm, "no such bridge domain id");
- return 0;
- }
- }
-
- for (i = 0; i < h->nbuckets; i++)
- {
- b = &h->buckets[i];
- if (b->offset == 0)
- continue;
- v = BV (clib_bihash_get_value) (h, b->offset);
- for (j = 0; j < (1 << b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
- continue;
-
- if (verbose && first_entry)
- {
- first_entry = 0;
- vlib_cli_output (vm,
- "%=19s%=7s%=30s%=7s%=8s%=8s%=5s%=16s",
- "Mac Address", "BD Idx", "Interface",
- "Index", "static", "filter", "bvi",
- "Mac Age (min)");
- }
-
- key.raw = v->kvp[k].key;
- result.raw = v->kvp[k].value;
-
- if (verbose
- & ((bd_index >> 31) || (bd_index == key.fields.bd_index)))
- {
- bd_config = vec_elt_at_index (l2input_main.bd_configs,
- key.fields.bd_index);
-
- if (bd_config->mac_age)
- {
- i16 delta = now - result.fields.timestamp;
- delta += delta < 0 ? 256 : 0;
- s = format (s, "%d", delta);
- }
- else
- s = format (s, "disabled");
-
- vlib_cli_output (vm,
- "%=19U%=7d%=30U%=7d%=8d%=8d%=5d%=16v",
- format_ethernet_address, key.fields.mac,
- key.fields.bd_index,
- format_vnet_sw_if_index_name_with_NA,
- msm->vnet_main, result.fields.sw_if_index,
- result.fields.sw_if_index == ~0
- ? -1 : result.fields.sw_if_index,
- result.fields.static_mac,
- result.fields.filter,
- result.fields.bvi, s);
- vec_reset_length (s);
- }
- total_entries++;
- }
- v++;
- }
- }
-
- if (total_entries == 0)
- vlib_cli_output (vm, "no l2fib entries");
- else
- vlib_cli_output (vm, "%lld l2fib entries", total_entries);
-
- if (raw)
- vlib_cli_output (vm, "Raw Hash Table:\n%U\n",
- BV (format_bihash), h, 1 /* verbose */ );
-
- vec_free (s);
- return 0;
-}
-
-/*?
- * This command dispays the MAC Address entries of the L2 FIB table.
- * Output can be filtered to just get the number of MAC Addresses or display
- * each MAC Address for all bridge domains or just a single bridge domain.
- *
- * @cliexpar
- * Example of how to display the number of MAC Address entries in the L2
- * FIB table:
- * @cliexstart{show l2fib}
- * 3 l2fib entries
- * @cliexend
- * Example of how to display all the MAC Address entries in the L2
- * FIB table:
- * @cliexstart{show l2fib verbose}
- * Mac Address BD Idx Interface Index static filter bvi refresh timestamp
- * 52:54:00:53:18:33 1 GigabitEthernet0/8/0.200 3 0 0 0 0 0
- * 52:54:00:53:18:55 1 GigabitEthernet0/8/0.200 3 1 0 0 0 0
- * 52:54:00:53:18:77 1 N/A -1 1 1 0 0 0
- * 3 l2fib entries
- * @cliexend
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_l2fib_cli, static) = {
- .path = "show l2fib",
- .short_help = "show l2fib [verbose | bd_id <nn> | bd_index <nn> | raw]",
- .function = show_l2fib,
-};
-/* *INDENT-ON* */
-
-
-/* Remove all entries from the l2fib */
-void
-l2fib_clear_table (uint keep_static)
-{
- l2fib_main_t *mp = &l2fib_main;
-
- if (keep_static)
- {
- /* TODO: remove only non-static entries */
- }
- else
- {
- /* Remove all entries */
- BV (clib_bihash_free) (&mp->mac_table);
- BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table",
- L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE);
- }
-
- l2learn_main.global_learn_count = 0;
-}
-
-/** Clear all entries in L2FIB.
- * @TODO: Later we may want a way to remove only the non-static entries
- */
-static clib_error_t *
-clear_l2fib (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- l2fib_clear_table (0);
- return 0;
-}
-
-/*?
- * This command clears all the MAC Address entries from the L2 FIB table.
- *
- * @cliexpar
- * Example of how to clear the L2 FIB Table:
- * @cliexcmd{clear l2fib}
- * Example to show the L2 FIB Table has been cleared:
- * @cliexstart{show l2fib verbose}
- * no l2fib entries
- * @cliexend
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (clear_l2fib_cli, static) = {
- .path = "clear l2fib",
- .short_help = "clear l2fib",
- .function = clear_l2fib,
-};
-/* *INDENT-ON* */
-
-
-/**
- * Add an entry to the l2fib.
- * If the entry already exists then overwrite it
- */
-void
-l2fib_add_entry (u64 mac,
- u32 bd_index,
- u32 sw_if_index, u32 static_mac, u32 filter_mac, u32 bvi_mac)
-{
- l2fib_entry_key_t key;
- l2fib_entry_result_t result;
- __attribute__ ((unused)) u32 bucket_contents;
- l2fib_main_t *mp = &l2fib_main;
- BVT (clib_bihash_kv) kv;
-
- /* set up key */
- key.raw = l2fib_make_key ((u8 *) & mac, bd_index);
-
- /* set up result */
- result.raw = 0; /* clear all fields */
- result.fields.sw_if_index = sw_if_index;
- result.fields.static_mac = static_mac;
- result.fields.filter = filter_mac;
- result.fields.bvi = bvi_mac;
-
- kv.key = key.raw;
- kv.value = result.raw;
-
- BV (clib_bihash_add_del) (&mp->mac_table, &kv, 1 /* is_add */ );
-
- /* increment counter if dynamically learned mac */
- if (result.fields.static_mac)
- {
- l2learn_main.global_learn_count++;
- }
-}
-
-/**
- * Add an entry to the L2FIB.
- * The CLI format is:
- * l2fib add <mac> <bd> <intf> [static] [bvi]
- * l2fib add <mac> <bd> filter
- * Note that filter and bvi entries are always static
- */
-static clib_error_t *
-l2fib_add (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- vnet_main_t *vnm = vnet_get_main ();
- clib_error_t *error = 0;
- u64 mac;
- u32 bd_id;
- u32 bd_index;
- u32 sw_if_index = ~0;
- u32 filter_mac = 0;
- u32 static_mac = 0;
- u32 bvi_mac = 0;
- uword *p;
-
- if (!unformat_user (input, unformat_ethernet_address, &mac))
- {
- error = clib_error_return (0, "expected mac address `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expected bridge domain ID `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (!p)
- {
- error = clib_error_return (0, "bridge domain ID %d invalid", bd_id);
- goto done;
- }
- bd_index = p[0];
-
- if (unformat (input, "filter"))
- {
- filter_mac = 1;
- static_mac = 1;
-
- }
- else
- {
-
- if (!unformat_user
- (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
- {
- error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
- goto done;
- }
- if (unformat (input, "static"))
- {
- static_mac = 1;
- }
- else if (unformat (input, "bvi"))
- {
- bvi_mac = 1;
- static_mac = 1;
- }
- }
-
- l2fib_add_entry (mac, bd_index, sw_if_index, static_mac, filter_mac,
- bvi_mac);
-
-done:
- return error;
-}
-
-/*?
- * This command adds a MAC Address entry to the L2 FIB table
- * of an existing bridge-domain. The MAC Address can be static
- * or dynamic. This command also allows a filter to be added,
- * such that packets with given MAC Addresses (source mac or
- * destination mac match) are dropped.
- *
- * @cliexpar
- * Example of how to add a dynamic MAC Address entry to the L2 FIB table
- * of a bridge-domain (where 200 is the bridge-domain-id):
- * @cliexcmd{l2fib add 52:54:00:53:18:33 200 GigabitEthernet0/8/0.200}
- * Example of how to add a static MAC Address entry to the L2 FIB table
- * of a bridge-domain (where 200 is the bridge-domain-id):
- * @cliexcmd{l2fib add 52:54:00:53:18:55 200 GigabitEthernet0/8/0.200 static}
- * Example of how to add a filter such that a packet with the given MAC
- * Address will be dropped in a given bridge-domain (where 200 is the
- * bridge-domain-id):
- * @cliexcmd{l2fib add 52:54:00:53:18:77 200 filter}
- * Example of show command of the provisioned MAC Addresses and filters:
- * @cliexstart{show l2fib verbose}
- * Mac Address BD Idx Interface Index static filter bvi refresh timestamp
- * 52:54:00:53:18:33 1 GigabitEthernet0/8/0.200 3 0 0 0 0 0
- * 52:54:00:53:18:55 1 GigabitEthernet0/8/0.200 3 1 0 0 0 0
- * 52:54:00:53:18:77 1 N/A -1 1 1 0 0 0
- * 3 l2fib entries
- * @cliexend
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (l2fib_add_cli, static) = {
- .path = "l2fib add",
- .short_help = "l2fib add <mac> <bridge-domain-id> filter | <intf> [static | bvi]",
- .function = l2fib_add,
-};
-/* *INDENT-ON* */
-
-
-static clib_error_t *
-l2fib_test_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- clib_error_t *error = 0;
- u64 mac, save_mac;
- u32 bd_index = 0;
- u32 sw_if_index = 8;
- u32 filter_mac = 0;
- u32 bvi_mac = 0;
- u32 is_add = 0;
- u32 is_del = 0;
- u32 is_check = 0;
- u32 count = 1;
- int mac_set = 0;
- int i;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "mac %U", unformat_ethernet_address, &mac))
- mac_set = 1;
- else if (unformat (input, "add"))
- is_add = 1;
- else if (unformat (input, "del"))
- is_del = 1;
- else if (unformat (input, "check"))
- is_check = 1;
- else if (unformat (input, "count %d", &count))
- ;
- else
- break;
- }
-
- if (mac_set == 0)
- return clib_error_return (0, "mac not set");
-
- if (is_add == 0 && is_del == 0 && is_check == 0)
- return clib_error_return (0,
- "noop: pick at least one of (add,del,check)");
-
- save_mac = mac;
-
- if (is_add)
- {
- for (i = 0; i < count; i++)
- {
- u64 tmp;
- l2fib_add_entry (mac, bd_index, sw_if_index, mac,
- filter_mac, bvi_mac);
- tmp = clib_net_to_host_u64 (mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
- }
- }
-
- if (is_check)
- {
- BVT (clib_bihash_kv) kv;
- l2fib_main_t *mp = &l2fib_main;
-
- mac = save_mac;
-
- for (i = 0; i < count; i++)
- {
- u64 tmp;
- kv.key = l2fib_make_key ((u8 *) & mac, bd_index);
- if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv))
- {
- clib_warning ("key %U AWOL", format_ethernet_address, &mac);
- break;
- }
- tmp = clib_net_to_host_u64 (mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
- }
- }
-
- if (is_del)
- {
- for (i = 0; i < count; i++)
- {
- u64 tmp;
-
- l2fib_del_entry (mac, bd_index);
-
- tmp = clib_net_to_host_u64 (mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
- }
- }
-
- return error;
-}
-
-/*?
- * The set of '<em>test l2fib</em>' commands allow the L2 FIB table of the default
- * bridge domain (bridge-domain-id of 0) to be modified.
- *
- * @cliexpar
- * @parblock
- * Example of how to add a set of 4 sequential MAC Address entries to L2
- * FIB table of the default bridge-domain:
- * @cliexcmd{test l2fib add mac 52:54:00:53:00:00 count 4}
- *
- * Show the set of 4 sequential MAC Address entries that were added:
- * @cliexstart{show l2fib verbose}
- * Mac Address BD Idx Interface Index static filter bvi refresh timestamp
- * 52:54:00:53:00:00 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
- * 52:54:00:53:00:01 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
- * 52:54:00:53:00:03 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
- * 52:54:00:53:00:02 0 GigabitEthernet0/8/0.300 8 0 0 0 0 0
- * 4 l2fib entries
- * @cliexend
- *
- * Example of how to check that the set of 4 sequential MAC Address
- * entries were added to L2 FIB table of the default
- * bridge-domain. Used a count of 5 to produce an error:
- *
- * @cliexcmd{test l2fib check mac 52:54:00:53:00:00 count 5}
- * The output of the check command is in the log files. Log file
- * location may vary based on your OS and Version:
- *
- * <b><em># tail -f /var/log/messages | grep l2fib_test_command_fn</em></b>
- *
- * Sep 7 17:15:24 localhost vnet[4952]: l2fib_test_command_fn:446: key 52:54:00:53:00:04 AWOL
- *
- * Example of how to delete a set of 4 sequential MAC Address entries
- * from L2 FIB table of the default bridge-domain:
- * @cliexcmd{test l2fib del mac 52:54:00:53:00:00 count 4}
- * @endparblock
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (l2fib_test_command, static) = {
- .path = "test l2fib",
- .short_help = "test l2fib [add|del|check] mac <base-addr> count <nn>",
- .function = l2fib_test_command_fn,
-};
-/* *INDENT-ON* */
-
-
-/**
- * Delete an entry from the l2fib.
- * Return 0 if the entry was deleted, or 1 if it was not found
- */
-u32
-l2fib_del_entry (u64 mac, u32 bd_index)
-{
-
- l2fib_entry_result_t result;
- l2fib_main_t *mp = &l2fib_main;
- BVT (clib_bihash_kv) kv;
-
- /* set up key */
- kv.key = l2fib_make_key ((u8 *) & mac, bd_index);
-
- if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv))
- return 1;
-
- result.raw = kv.value;
-
- /* decrement counter if dynamically learned mac */
- if (result.fields.static_mac)
- {
- if (l2learn_main.global_learn_count > 0)
- {
- l2learn_main.global_learn_count--;
- }
- }
-
- /* Remove entry from hash table */
- BV (clib_bihash_add_del) (&mp->mac_table, &kv, 0 /* is_add */ );
- return 0;
-}
-
-/**
- * Delete an entry from the L2FIB.
- * The CLI format is:
- * l2fib del <mac> <bd-id>
- */
-static clib_error_t *
-l2fib_del (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u64 mac;
- u32 bd_id;
- u32 bd_index;
- uword *p;
-
- if (!unformat_user (input, unformat_ethernet_address, &mac))
- {
- error = clib_error_return (0, "expected mac address `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expected bridge domain ID `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (!p)
- {
- error = clib_error_return (0, "bridge domain ID %d invalid", bd_id);
- goto done;
- }
- bd_index = p[0];
-
- /* Delete the entry */
- if (l2fib_del_entry (mac, bd_index))
- {
- error = clib_error_return (0, "mac entry not found");
- goto done;
- }
-
-done:
- return error;
-}
-
-/*?
- * This command deletes an existing MAC Address entry from the L2 FIB
- * table of an existing bridge-domain.
- *
- * @cliexpar
- * Example of how to delete a MAC Address entry from the L2 FIB table of a bridge-domain (where 200 is the bridge-domain-id):
- * @cliexcmd{l2fib del 52:54:00:53:18:33 200}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (l2fib_del_cli, static) = {
- .path = "l2fib del",
- .short_help = "l2fib del <mac> <bridge-domain-id>",
- .function = l2fib_del,
-};
-/* *INDENT-ON* */
-
-
-BVT (clib_bihash) * get_mac_table (void)
-{
- l2fib_main_t *mp = &l2fib_main;
- return &mp->mac_table;
-}
-
-static uword
-l2fib_mac_age_scanner_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
- vlib_frame_t * f)
-{
- uword event_type, *event_data = 0;
- l2fib_main_t *msm = &l2fib_main;
- l2_bridge_domain_t *bd_config;
- BVT (clib_bihash) * h = &msm->mac_table;
- clib_bihash_bucket_t *b;
- BVT (clib_bihash_value) * v;
- l2fib_entry_key_t key;
- l2fib_entry_result_t result;
- int i, j, k;
- bool enabled = 0;
- f64 start_time, last_run_duration = 0, t;
- i16 delta;
-
- while (1)
- {
- if (enabled)
- vlib_process_wait_for_event_or_clock (vm, 60 - last_run_duration);
- else
- vlib_process_wait_for_event (vm);
-
- event_type = vlib_process_get_events (vm, &event_data);
- vec_reset_length (event_data);
-
- switch (event_type)
- {
- case ~0:
- break;
- case L2_MAC_AGE_PROCESS_EVENT_START:
- enabled = 1;
- break;
- case L2_MAC_AGE_PROCESS_EVENT_STOP:
- enabled = 0;
- continue;
- default:
- ASSERT (0);
- }
- last_run_duration = start_time = vlib_time_now (vm);
- for (i = 0; i < h->nbuckets; i++)
- {
- /* Allow no more than 10us without a pause */
- t = vlib_time_now (vm);
- if (t > start_time + 10e-6)
- {
- vlib_process_suspend (vm, 100e-6); /* suspend for 100 us */
- start_time = vlib_time_now (vm);
- }
-
- if (i < (h->nbuckets - 3))
- {
- b = &h->buckets[i + 3];
- CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD);
- b = &h->buckets[i + 1];
- if (b->offset)
- {
- v = BV (clib_bihash_get_value) (h, b->offset);
- CLIB_PREFETCH (v, CLIB_CACHE_LINE_BYTES, LOAD);
- }
- }
-
- b = &h->buckets[i];
- if (b->offset == 0)
- continue;
- v = BV (clib_bihash_get_value) (h, b->offset);
- for (j = 0; j < (1 << b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
- continue;
-
- key.raw = v->kvp[k].key;
- result.raw = v->kvp[k].value;
-
- if (result.fields.static_mac)
- continue;
-
- bd_config = vec_elt_at_index (l2input_main.bd_configs,
- key.fields.bd_index);
-
- if (bd_config->mac_age == 0)
- continue;
-
- delta = (u8) (start_time / 60) - result.fields.timestamp;
- delta += delta < 0 ? 256 : 0;
-
- if (delta > bd_config->mac_age)
- {
- void *p = &key.fields.mac;
- l2fib_del_entry (*(u64 *) p, key.fields.bd_index);
- }
- }
- v++;
- }
- }
- last_run_duration = vlib_time_now (vm) - last_run_duration;
- }
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (l2fib_mac_age_scanner_process_node) = {
- .function = l2fib_mac_age_scanner_process,
- .type = VLIB_NODE_TYPE_PROCESS,
- .name = "l2fib-mac-age-scanner-process",
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-l2fib_init (vlib_main_t * vm)
-{
- l2fib_main_t *mp = &l2fib_main;
- l2fib_entry_key_t test_key;
- u8 test_mac[6];
-
- mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main ();
-
- /* Create the hash table */
- BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table",
- L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE);
-
- /* verify the key constructor is good, since it is endian-sensitive */
- memset (test_mac, 0, sizeof (test_mac));
- test_mac[0] = 0x11;
- test_key.raw = 0;
- test_key.raw = l2fib_make_key ((u8 *) & test_mac, 0x1234);
- ASSERT (test_key.fields.mac[0] == 0x11);
- ASSERT (test_key.fields.bd_index == 0x1234);
-
- return 0;
-}
-
-VLIB_INIT_FUNCTION (l2fib_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */