From 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 19 Dec 2016 23:05:39 +0100 Subject: Reorganize source tree to use single autotools instance Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion --- src/vnet/l2/l2_bd.c | 1079 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1079 insertions(+) create mode 100644 src/vnet/l2/l2_bd.c (limited to 'src/vnet/l2/l2_bd.c') diff --git a/src/vnet/l2/l2_bd.c b/src/vnet/l2/l2_bd.c new file mode 100644 index 00000000..22f83d0b --- /dev/null +++ b/src/vnet/l2/l2_bd.c @@ -0,0 +1,1079 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +/** + * @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 [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 [disable]", + .function = bd_learn, +}; +/* *INDENT-ON* */ + +/** + Set bridge-domain forward enable/disable. + The CLI format is: + set bridge-domain forward [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 [disable]", + .function = bd_fwd, +}; +/* *INDENT-ON* */ + +/** + Set bridge-domain flood enable/disable. + The CLI format is: + set bridge-domain flood [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 [disable]", + .function = bd_flood, +}; +/* *INDENT-ON* */ + +/** + Set bridge-domain unkown-unicast flood enable/disable. + The CLI format is: + set bridge-domain uu-flood [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 [disable]", + .function = bd_uu_flood, +}; +/* *INDENT-ON* */ + +/** + Set bridge-domain arp term enable/disable. + The CLI format is: + set bridge-domain arp term [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 ", + .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 [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 [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 [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 [] +*/ +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 'set interface l2 bridge' 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: + */ -- cgit 1.2.3-korg