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Diffstat (limited to 'vnet/vnet/l2/l2_bd.h')
-rw-r--r-- | vnet/vnet/l2/l2_bd.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/vnet/vnet/l2/l2_bd.h b/vnet/vnet/l2/l2_bd.h new file mode 100644 index 00000000000..9d29a83b22f --- /dev/null +++ b/vnet/vnet/l2/l2_bd.h @@ -0,0 +1,120 @@ +/* + * l2_bd.h : 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. + */ + +#ifndef included_l2bd_h +#define included_l2bd_h + +#include <vlib/vlib.h> +#include <vnet/vnet.h> + +typedef struct { + // hash bd_id -> bd_index + uword * bd_index_by_bd_id; + + // Busy bd_index bitmap + uword * bd_index_bitmap; + + // convenience + vlib_main_t * vlib_main; + vnet_main_t * vnet_main; +} bd_main_t; + +bd_main_t bd_main; + +// Bridge domain member + +#define L2_FLOOD_MEMBER_NORMAL 0 +#define L2_FLOOD_MEMBER_BVI 1 + +typedef struct { + u32 sw_if_index; // the output L2 interface + u8 flags; // 0=normal, 1=bvi + u8 shg; // split horizon group number + u16 spare; +} l2_flood_member_t; + + +// Per-bridge domain configuration + +typedef struct { + u32 feature_bitmap; + // Contains bit enables for flooding, learning, and forwarding. + // All other feature bits should always be set. + + // identity of the bridge-domain's BVI interface + // set to ~0 if there is no BVI + u32 bvi_sw_if_index; + + // output node index for bvi interface before it was changed to l2-input + u32 saved_bvi_output_node_index; + + // bridge domain id, not to be confused with bd_index + u32 bd_id; + + // Vector of members in the replication group + l2_flood_member_t * members; + + // hash ip4/ip6 -> mac for arp termination + uword *mac_by_ip4; + uword *mac_by_ip6; + +} l2_bridge_domain_t; + +// Return 1 if bridge domain has been initialized +always_inline u32 +bd_is_valid (l2_bridge_domain_t * bd_config) +{ + return (bd_config->feature_bitmap != 0); +} + +// Init bridge domain if not done already +inline void +bd_validate (l2_bridge_domain_t * bd_config); + + +void +bd_add_member (l2_bridge_domain_t * bd_config, + l2_flood_member_t * member); + +u32 +bd_remove_member (l2_bridge_domain_t * bd_config, + u32 sw_if_index); + + +#define L2_LEARN (1<<0) +#define L2_FWD (1<<1) +#define L2_FLOOD (1<<2) +#define L2_UU_FLOOD (1<<3) +#define L2_ARP_TERM (1<<4) + +u32 +bd_set_flags (vlib_main_t * vm, + u32 bd_index, + u32 flags, + u32 enable); + +u32 bd_find_or_add_bd_index (bd_main_t * bdm, u32 bd_id); +int bd_delete_bd_index (bd_main_t * bdm, u32 bd_id); + +u32 bd_add_del_ip_mac(u32 bd_index, + u8 *ip_addr, + u8 *mac_addr, + u8 is_ip6, + u8 is_add); + +#endif + |