+++ /dev/null
-/*
- * l2_bd.c : layer 2 bridge domain
- *
- * 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 <vlib/cli.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ip/format.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/feat_bitmap.h>
-#include <vnet/l2/l2_bd.h>
-#include <vnet/l2/l2_learn.h>
-#include <vnet/l2/l2_fib.h>
-#include <vnet/l2/l2_vtr.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-
-#include <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vppinfra/vec.h>
-
-/**
- * @file
- * @brief Ethernet Bridge Domain.
- *
- * Code in this file manages Layer 2 bridge domains.
- *
- */
-
-bd_main_t bd_main;
-
-/**
- Init bridge domain if not done already.
- For feature bitmap, set all bits except ARP termination
-*/
-void
-bd_validate (l2_bridge_domain_t * bd_config)
-{
- if (!bd_is_valid (bd_config))
- {
- bd_config->feature_bitmap = ~L2INPUT_FEAT_ARP_TERM;
- bd_config->bvi_sw_if_index = ~0;
- bd_config->members = 0;
- bd_config->flood_count = 0;
- bd_config->tun_master_count = 0;
- bd_config->tun_normal_count = 0;
- bd_config->mac_by_ip4 = 0;
- bd_config->mac_by_ip6 = hash_create_mem (0, sizeof (ip6_address_t),
- sizeof (uword));
- }
-}
-
-u32
-bd_find_or_add_bd_index (bd_main_t * bdm, u32 bd_id)
-{
- uword *p;
- u32 rv;
-
- if (bd_id == ~0)
- {
- bd_id = 0;
- while (hash_get (bdm->bd_index_by_bd_id, bd_id))
- bd_id++;
- }
- else
- {
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p)
- return (p[0]);
- }
-
- rv = clib_bitmap_first_clear (bdm->bd_index_bitmap);
-
- /* mark this index busy */
- bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, rv, 1);
-
- hash_set (bdm->bd_index_by_bd_id, bd_id, rv);
-
- vec_validate (l2input_main.bd_configs, rv);
- l2input_main.bd_configs[rv].bd_id = bd_id;
-
- return rv;
-}
-
-int
-bd_delete_bd_index (bd_main_t * bdm, u32 bd_id)
-{
- uword *p;
- u32 bd_index;
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p == 0)
- return -1;
-
- bd_index = p[0];
-
- /* mark this index clear */
- bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, bd_index, 0);
- hash_unset (bdm->bd_index_by_bd_id, bd_id);
-
- l2input_main.bd_configs[bd_index].bd_id = ~0;
- l2input_main.bd_configs[bd_index].feature_bitmap = 0;
-
- return 0;
-}
-
-static void
-update_flood_count (l2_bridge_domain_t * bd_config)
-{
- bd_config->flood_count = vec_len (bd_config->members) -
- (bd_config->tun_master_count ? bd_config->tun_normal_count : 0);
-}
-
-void
-bd_add_member (l2_bridge_domain_t * bd_config, l2_flood_member_t * member)
-{
- u32 ix;
- vnet_sw_interface_t *sw_if = vnet_get_sw_interface
- (vnet_get_main (), member->sw_if_index);
-
- /*
- * Add one element to the vector
- * vector is ordered [ bvi, normal/tun_masters..., tun_normals... ]
- * When flooding, the bvi interface (if present) must be the last member
- * processed due to how BVI processing can change the packet. To enable
- * this order, we make the bvi interface the first in the vector and
- * flooding walks the vector in reverse.
- */
- switch (sw_if->flood_class)
- {
- case VNET_FLOOD_CLASS_TUNNEL_MASTER:
- bd_config->tun_master_count++;
- /* Fall through */
- default:
- /* Fall through */
- case VNET_FLOOD_CLASS_NORMAL:
- ix = (member->flags & L2_FLOOD_MEMBER_BVI) ? 0 :
- vec_len (bd_config->members) - bd_config->tun_normal_count;
- break;
- case VNET_FLOOD_CLASS_TUNNEL_NORMAL:
- ix = vec_len (bd_config->members);
- bd_config->tun_normal_count++;
- break;
- }
-
- vec_insert_elts (bd_config->members, member, 1, ix);
- update_flood_count (bd_config);
-}
-
-#define BD_REMOVE_ERROR_OK 0
-#define BD_REMOVE_ERROR_NOT_FOUND 1
-
-u32
-bd_remove_member (l2_bridge_domain_t * bd_config, u32 sw_if_index)
-{
- u32 ix;
-
- /* Find and delete the member */
- vec_foreach_index (ix, bd_config->members)
- {
- l2_flood_member_t *m = vec_elt_at_index (bd_config->members, ix);
- if (m->sw_if_index == sw_if_index)
- {
- vnet_sw_interface_t *sw_if = vnet_get_sw_interface
- (vnet_get_main (), sw_if_index);
-
- if (sw_if->flood_class != VNET_FLOOD_CLASS_NORMAL)
- {
- if (sw_if->flood_class == VNET_FLOOD_CLASS_TUNNEL_MASTER)
- bd_config->tun_master_count--;
- else if (sw_if->flood_class == VNET_FLOOD_CLASS_TUNNEL_NORMAL)
- bd_config->tun_normal_count--;
- }
- vec_del1 (bd_config->members, ix);
- update_flood_count (bd_config);
-
- return BD_REMOVE_ERROR_OK;
- }
- }
-
- return BD_REMOVE_ERROR_NOT_FOUND;
-}
-
-
-clib_error_t *
-l2bd_init (vlib_main_t * vm)
-{
- bd_main_t *bdm = &bd_main;
- u32 bd_index;
- bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
- /*
- * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
- * to packet drop only. Thus, packets received from any L2 interface with
- * uninitialized bd_index of 0 can be dropped safely.
- */
- bd_index = bd_find_or_add_bd_index (bdm, 0);
- ASSERT (bd_index == 0);
- l2input_main.bd_configs[0].feature_bitmap = L2INPUT_FEAT_DROP;
- return 0;
-}
-
-VLIB_INIT_FUNCTION (l2bd_init);
-
-
-/**
- Set the learn/forward/flood flags for the bridge domain.
- Return 0 if ok, non-zero if for an error.
-*/
-u32
-bd_set_flags (vlib_main_t * vm, u32 bd_index, u32 flags, u32 enable)
-{
-
- l2_bridge_domain_t *bd_config;
- u32 feature_bitmap = 0;
-
- vec_validate (l2input_main.bd_configs, bd_index);
- bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
-
- bd_validate (bd_config);
-
- if (flags & L2_LEARN)
- {
- feature_bitmap |= L2INPUT_FEAT_LEARN;
- }
- if (flags & L2_FWD)
- {
- feature_bitmap |= L2INPUT_FEAT_FWD;
- }
- if (flags & L2_FLOOD)
- {
- feature_bitmap |= L2INPUT_FEAT_FLOOD;
- }
- if (flags & L2_UU_FLOOD)
- {
- feature_bitmap |= L2INPUT_FEAT_UU_FLOOD;
- }
- if (flags & L2_ARP_TERM)
- {
- feature_bitmap |= L2INPUT_FEAT_ARP_TERM;
- }
-
- if (enable)
- {
- bd_config->feature_bitmap |= feature_bitmap;
- }
- else
- {
- bd_config->feature_bitmap &= ~feature_bitmap;
- }
-
- return 0;
-}
-
-/**
- Set the mac age for the bridge domain.
-*/
-void
-bd_set_mac_age (vlib_main_t * vm, u32 bd_index, u8 age)
-{
- l2_bridge_domain_t *bd_config;
- int enable = 0;
-
- vec_validate (l2input_main.bd_configs, bd_index);
- bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
- bd_config->mac_age = age;
-
- /* check if there is at least one bd with mac aging enabled */
- vec_foreach (bd_config, l2input_main.bd_configs)
- if (bd_config->bd_id != ~0 && bd_config->mac_age != 0)
- enable = 1;
-
- vlib_process_signal_event (vm, l2fib_mac_age_scanner_process_node.index,
- enable ? L2_MAC_AGE_PROCESS_EVENT_START :
- L2_MAC_AGE_PROCESS_EVENT_STOP, 0);
-}
-
-/**
- Set bridge-domain learn enable/disable.
- The CLI format is:
- set bridge-domain learn <bd_id> [disable]
-*/
-static clib_error_t *
-bd_learn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u32 enable;
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
-
- if (p == 0)
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- bd_index = p[0];
-
- enable = 1;
- if (unformat (input, "disable"))
- {
- enable = 0;
- }
-
- /* set the bridge domain flag */
- if (bd_set_flags (vm, bd_index, L2_LEARN, enable))
- {
- error =
- clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
-
-done:
- return error;
-}
-
-/*?
- * Layer 2 learning can be enabled and disabled on each
- * interface and on each bridge-domain. Use this command to
- * manage bridge-domains. It is enabled by default.
- *
- * @cliexpar
- * Example of how to enable learning (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain learn 200}
- * Example of how to disable learning (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain learn 200 disable}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_learn_cli, static) = {
- .path = "set bridge-domain learn",
- .short_help = "set bridge-domain learn <bridge-domain-id> [disable]",
- .function = bd_learn,
-};
-/* *INDENT-ON* */
-
-/**
- Set bridge-domain forward enable/disable.
- The CLI format is:
- set bridge-domain forward <bd_index> [disable]
-*/
-static clib_error_t *
-bd_fwd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u32 enable;
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
-
- if (p == 0)
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- bd_index = p[0];
-
- enable = 1;
- if (unformat (input, "disable"))
- {
- enable = 0;
- }
-
- /* set the bridge domain flag */
- if (bd_set_flags (vm, bd_index, L2_FWD, enable))
- {
- error =
- clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
-
-done:
- return error;
-}
-
-
-/*?
- * Layer 2 unicast forwarding can be enabled and disabled on each
- * interface and on each bridge-domain. Use this command to
- * manage bridge-domains. It is enabled by default.
- *
- * @cliexpar
- * Example of how to enable forwarding (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain forward 200}
- * Example of how to disable forwarding (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain forward 200 disable}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_fwd_cli, static) = {
- .path = "set bridge-domain forward",
- .short_help = "set bridge-domain forward <bridge-domain-id> [disable]",
- .function = bd_fwd,
-};
-/* *INDENT-ON* */
-
-/**
- Set bridge-domain flood enable/disable.
- The CLI format is:
- set bridge-domain flood <bd_index> [disable]
-*/
-static clib_error_t *
-bd_flood (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u32 enable;
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
-
- if (p == 0)
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- bd_index = p[0];
-
- enable = 1;
- if (unformat (input, "disable"))
- {
- enable = 0;
- }
-
- /* set the bridge domain flag */
- if (bd_set_flags (vm, bd_index, L2_FLOOD, enable))
- {
- error =
- clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
-
-done:
- return error;
-}
-
-/*?
- * Layer 2 flooding can be enabled and disabled on each
- * interface and on each bridge-domain. Use this command to
- * manage bridge-domains. It is enabled by default.
- *
- * @cliexpar
- * Example of how to enable flooding (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain flood 200}
- * Example of how to disable flooding (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain flood 200 disable}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_flood_cli, static) = {
- .path = "set bridge-domain flood",
- .short_help = "set bridge-domain flood <bridge-domain-id> [disable]",
- .function = bd_flood,
-};
-/* *INDENT-ON* */
-
-/**
- Set bridge-domain unkown-unicast flood enable/disable.
- The CLI format is:
- set bridge-domain uu-flood <bd_index> [disable]
-*/
-static clib_error_t *
-bd_uu_flood (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u32 enable;
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
-
- if (p == 0)
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- bd_index = p[0];
-
- enable = 1;
- if (unformat (input, "disable"))
- {
- enable = 0;
- }
-
- /* set the bridge domain flag */
- if (bd_set_flags (vm, bd_index, L2_UU_FLOOD, enable))
- {
- error =
- clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
-
-done:
- return error;
-}
-
-/*?
- * Layer 2 unknown-unicast flooding can be enabled and disabled on each
- * bridge-domain. It is enabled by default.
- *
- * @cliexpar
- * Example of how to enable unknown-unicast flooding (where 200 is the
- * bridge-domain-id):
- * @cliexcmd{set bridge-domain uu-flood 200}
- * Example of how to disable unknown-unicast flooding (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain uu-flood 200 disable}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_uu_flood_cli, static) = {
- .path = "set bridge-domain uu-flood",
- .short_help = "set bridge-domain uu-flood <bridge-domain-id> [disable]",
- .function = bd_uu_flood,
-};
-/* *INDENT-ON* */
-
-/**
- Set bridge-domain arp term enable/disable.
- The CLI format is:
- set bridge-domain arp term <bridge-domain-id> [disable]
-*/
-static clib_error_t *
-bd_arp_term (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u32 enable;
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p)
- bd_index = *p;
- else
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- enable = 1;
- if (unformat (input, "disable"))
- enable = 0;
-
- /* set the bridge domain flag */
- if (bd_set_flags (vm, bd_index, L2_ARP_TERM, enable))
- {
- error =
- clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
-
-done:
- return error;
-}
-
-static clib_error_t *
-bd_mac_age (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u32 age;
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
-
- if (p == 0)
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- bd_index = p[0];
-
- if (!unformat (input, "%u", &age))
- {
- error =
- clib_error_return (0, "expecting ageing time in minutes but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- /* set the bridge domain flag */
- if (age > 255)
- {
- error =
- clib_error_return (0, "mac aging time cannot be bigger than 255");
- goto done;
- }
- bd_set_mac_age (vm, bd_index, (u8) age);
-
-done:
- return error;
-}
-
-/*?
- * Layer 2 mac aging can be enabled and disabled on each
- * bridge-domain. Use this command to set or disable mac aging
- * on specific bridge-domains. It is disabled by default.
- *
- * @cliexpar
- * Example of how to set mac aging (where 200 is the bridge-domain-id and
- * 5 is aging time in minutes):
- * @cliexcmd{set bridge-domain mac-age 200 5}
- * Example of how to disable mac aging (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain flood 200 0}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_mac_age_cli, static) = {
- .path = "set bridge-domain mac-age",
- .short_help = "set bridge-domain mac-age <bridge-domain-id> <mins>",
- .function = bd_mac_age,
-};
-/* *INDENT-ON* */
-
-/*?
- * Modify whether or not an existing bridge-domain should terminate and respond
- * to ARP Requests. ARP Termination is disabled by default.
- *
- * @cliexpar
- * Example of how to enable ARP termination (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain arp term 200}
- * Example of how to disable ARP termination (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain arp term 200 disable}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_arp_term_cli, static) = {
- .path = "set bridge-domain arp term",
- .short_help = "set bridge-domain arp term <bridge-domain-id> [disable]",
- .function = bd_arp_term,
-};
-/* *INDENT-ON* */
-
-
-/**
- * Add/delete IP address to MAC address mapping.
- *
- * The clib hash implementation stores uword entries in the hash table.
- * The hash table mac_by_ip4 is keyed via IP4 address and store the
- * 6-byte MAC address directly in the hash table entry uword.
- *
- * @warning This only works for 64-bit processor with 8-byte uword;
- * which means this code *WILL NOT WORK* for a 32-bit prcessor with
- * 4-byte uword.
- */
-u32
-bd_add_del_ip_mac (u32 bd_index,
- u8 * ip_addr, u8 * mac_addr, u8 is_ip6, u8 is_add)
-{
- l2input_main_t *l2im = &l2input_main;
- l2_bridge_domain_t *bd_cfg = l2input_bd_config_from_index (l2im, bd_index);
- u64 new_mac = *(u64 *) mac_addr;
- u64 *old_mac;
- u16 *mac16 = (u16 *) & new_mac;
-
- ASSERT (sizeof (uword) == sizeof (u64)); /* make sure uword is 8 bytes */
-
- mac16[3] = 0; /* Clear last 2 unsed bytes of the 8-byte MAC address */
- if (is_ip6)
- {
- ip6_address_t *ip6_addr_key;
- hash_pair_t *hp;
- old_mac = (u64 *) hash_get_mem (bd_cfg->mac_by_ip6, ip_addr);
- if (is_add)
- {
- if (old_mac == 0)
- { /* new entry - allocate and craete ip6 address key */
- ip6_addr_key = clib_mem_alloc (sizeof (ip6_address_t));
- clib_memcpy (ip6_addr_key, ip_addr, sizeof (ip6_address_t));
- }
- else if (*old_mac == new_mac)
- { /* same mac entry already exist for ip6 address */
- return 0;
- }
- else
- { /* updat mac for ip6 address */
- hp = hash_get_pair (bd_cfg->mac_by_ip6, ip_addr);
- ip6_addr_key = (ip6_address_t *) hp->key;
- }
- hash_set_mem (bd_cfg->mac_by_ip6, ip6_addr_key, new_mac);
- }
- else
- {
- if (old_mac && (*old_mac == new_mac))
- {
- hp = hash_get_pair (bd_cfg->mac_by_ip6, ip_addr);
- ip6_addr_key = (ip6_address_t *) hp->key;
- hash_unset_mem (bd_cfg->mac_by_ip6, ip_addr);
- clib_mem_free (ip6_addr_key);
- }
- else
- return 1;
- }
- }
- else
- {
- ip4_address_t ip4_addr = *(ip4_address_t *) ip_addr;
- old_mac = (u64 *) hash_get (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
- if (is_add)
- {
- if (old_mac && (*old_mac == new_mac))
- return 0; /* mac entry already exist */
- hash_set (bd_cfg->mac_by_ip4, ip4_addr.as_u32, new_mac);
- }
- else
- {
- if (old_mac && (*old_mac == new_mac))
- hash_unset (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
- else
- return 1;
- }
- }
- return 0;
-}
-
-/**
- Set bridge-domain arp entry add/delete.
- The CLI format is:
- set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]
-*/
-static clib_error_t *
-bd_arp_entry (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index, bd_id;
- u8 is_add = 1;
- u8 is_ip6 = 0;
- u8 ip_addr[16];
- u8 mac_addr[6];
- uword *p;
-
- if (!unformat (input, "%d", &bd_id))
- {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
-
- if (p)
- bd_index = *p;
- else
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- if (unformat (input, "%U", unformat_ip4_address, ip_addr))
- {
- is_ip6 = 0;
- }
- else if (unformat (input, "%U", unformat_ip6_address, ip_addr))
- {
- is_ip6 = 1;
- }
- else
- {
- error = clib_error_return (0, "expecting IP address but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- if (!unformat (input, "%U", unformat_ethernet_address, mac_addr))
- {
- error = clib_error_return (0, "expecting MAC address but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- if (unformat (input, "del"))
- {
- is_add = 0;
- }
-
- /* set the bridge domain flagAdd IP-MAC entry into bridge domain */
- if (bd_add_del_ip_mac (bd_index, ip_addr, mac_addr, is_ip6, is_add))
- {
- error = clib_error_return (0, "MAC %s for IP %U and MAC %U failed",
- is_add ? "add" : "del",
- is_ip6 ?
- format_ip4_address : format_ip6_address,
- ip_addr, format_ethernet_address, mac_addr);
- }
-
-done:
- return error;
-}
-
-/*?
- * Add an ARP entry to an existing bridge-domain.
- *
- * @cliexpar
- * Example of how to add an ARP entry (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a}
- * Example of how to delete an ARP entry (where 200 is the bridge-domain-id):
- * @cliexcmd{set bridge-domain arp entry 200 192.168.72.45 52:54:00:3b:83:1a del}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_arp_entry_cli, static) = {
- .path = "set bridge-domain arp entry",
- .short_help = "set bridge-domain arp entry <bridge-domain-id> <ip-addr> <mac-addr> [del]",
- .function = bd_arp_entry,
-};
-/* *INDENT-ON* */
-
-u8 *
-format_vtr (u8 * s, va_list * args)
-{
- u32 vtr_op = va_arg (*args, u32);
- u32 dot1q = va_arg (*args, u32);
- u32 tag1 = va_arg (*args, u32);
- u32 tag2 = va_arg (*args, u32);
- switch (vtr_op)
- {
- case L2_VTR_DISABLED:
- return format (s, "none");
- case L2_VTR_PUSH_1:
- return format (s, "push-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
- case L2_VTR_PUSH_2:
- return format (s, "push-2 %s %d %d", dot1q ? "dot1q" : "dot1ad", tag1,
- tag2);
- case L2_VTR_POP_1:
- return format (s, "pop-1");
- case L2_VTR_POP_2:
- return format (s, "pop-2");
- case L2_VTR_TRANSLATE_1_1:
- return format (s, "trans-1-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
- case L2_VTR_TRANSLATE_1_2:
- return format (s, "trans-1-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
- tag1, tag2);
- case L2_VTR_TRANSLATE_2_1:
- return format (s, "trans-2-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
- case L2_VTR_TRANSLATE_2_2:
- return format (s, "trans-2-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
- tag1, tag2);
- default:
- return format (s, "none");
- }
-}
-
-/**
- Show bridge-domain state.
- The CLI format is:
- show bridge-domain [<bd_index>]
-*/
-static clib_error_t *
-bd_show (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- vnet_main_t *vnm = vnet_get_main ();
- bd_main_t *bdm = &bd_main;
- clib_error_t *error = 0;
- u32 bd_index = ~0;
- l2_bridge_domain_t *bd_config;
- u32 start, end;
- u32 printed;
- u32 detail = 0;
- u32 intf = 0;
- u32 arp = 0;
- u32 bd_id = ~0;
- uword *p;
-
- start = 0;
- end = vec_len (l2input_main.bd_configs);
-
- if (unformat (input, "%d", &bd_id))
- {
- if (unformat (input, "detail"))
- detail = 1;
- else if (unformat (input, "det"))
- detail = 1;
- if (unformat (input, "int"))
- intf = 1;
- if (unformat (input, "arp"))
- arp = 1;
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p)
- bd_index = *p;
- else
- return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- vec_validate (l2input_main.bd_configs, bd_index);
- bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
- if (bd_is_valid (bd_config))
- {
- start = bd_index;
- end = start + 1;
- }
- else
- {
- vlib_cli_output (vm, "bridge-domain %d not in use", bd_id);
- goto done;
- }
- }
-
- /* Show all bridge-domains that have been initialized */
- printed = 0;
- for (bd_index = start; bd_index < end; bd_index++)
- {
- bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
- if (bd_is_valid (bd_config))
- {
- if (!printed)
- {
- printed = 1;
- vlib_cli_output (vm,
- "%=5s %=7s %=10s %=10s %=10s %=10s %=10s %=14s",
- "ID", "Index", "Learning", "U-Forwrd",
- "UU-Flood", "Flooding", "ARP-Term",
- "BVI-Intf");
- }
-
- vlib_cli_output (vm,
- "%=5d %=7d %=10s %=10s %=10s %=10s %=10s %=14U",
- bd_config->bd_id, bd_index,
- bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ?
- "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_FWD ? "on"
- : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD ?
- "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ?
- "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ?
- "on" : "off", format_vnet_sw_if_index_name_with_NA,
- vnm, bd_config->bvi_sw_if_index);
-
- if (detail || intf)
- {
- /* Show all member interfaces */
- int i;
- vec_foreach_index (i, bd_config->members)
- {
- l2_flood_member_t *member =
- vec_elt_at_index (bd_config->members, i);
- u32 vtr_opr, dot1q, tag1, tag2;
- if (i == 0)
- {
- vlib_cli_output (vm, "\n%=30s%=7s%=5s%=5s%=9s%=30s",
- "Interface", "Index", "SHG", "BVI",
- "TxFlood", "VLAN-Tag-Rewrite");
- }
- l2vtr_get (vm, vnm, member->sw_if_index, &vtr_opr, &dot1q,
- &tag1, &tag2);
- vlib_cli_output (vm, "%=30U%=7d%=5d%=5s%=9s%=30U",
- format_vnet_sw_if_index_name, vnm,
- member->sw_if_index, member->sw_if_index,
- member->shg,
- member->flags & L2_FLOOD_MEMBER_BVI ? "*" :
- "-", i < bd_config->flood_count ? "*" : "-",
- format_vtr, vtr_opr, dot1q, tag1, tag2);
- }
- }
-
- if ((detail || arp) &&
- (bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM))
- {
- u32 ip4_addr;
- ip6_address_t *ip6_addr;
- u64 mac_addr;
- vlib_cli_output (vm,
- "\n IP4/IP6 to MAC table for ARP Termination");
-
- /* *INDENT-OFF* */
- hash_foreach (ip4_addr, mac_addr, bd_config->mac_by_ip4,
- ({
- vlib_cli_output (vm, "%=40U => %=20U",
- format_ip4_address, &ip4_addr,
- format_ethernet_address, &mac_addr);
- }));
-
- hash_foreach_mem (ip6_addr, mac_addr, bd_config->mac_by_ip6,
- ({
- vlib_cli_output (vm, "%=40U => %=20U",
- format_ip6_address, ip6_addr,
- format_ethernet_address, &mac_addr);
- }));
- /* *INDENT-ON* */
- }
- }
- }
-
- if (!printed)
- {
- vlib_cli_output (vm, "no bridge-domains in use");
- }
-
-done:
- return error;
-}
-
-/*?
- * Show a summary of all the bridge-domain instances or detailed view of a
- * single bridge-domain. Bridge-domains are created by adding an interface
- * to a bridge using the '<em>set interface l2 bridge</em>' command.
- *
- * @cliexpar
- * @parblock
- * Example of displaying all bridge-domains:
- * @cliexstart{show bridge-domain}
- * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
- * 0 0 off off off off off local0
- * 200 1 on on on on off N/A
- * @cliexend
- *
- * Example of displaying details of a single bridge-domains:
- * @cliexstart{show bridge-domain 200 detail}
- * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf
- * 200 1 on on on on off N/A
- *
- * Interface Index SHG BVI VLAN-Tag-Rewrite
- * GigabitEthernet0/8/0.200 3 0 - none
- * GigabitEthernet0/9/0.200 4 0 - none
- * @cliexend
- * @endparblock
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (bd_show_cli, static) = {
- .path = "show bridge-domain",
- .short_help = "show bridge-domain [bridge-domain-id [detail|int|arp]]",
- .function = bd_show,
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff