WSL2-Linux-Kernel/include/uapi/linux/if_bridge.h

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/*
* Linux ethernet bridge
*
* Authors:
* Lennert Buytenhek <buytenh@gnu.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _UAPI_LINUX_IF_BRIDGE_H
#define _UAPI_LINUX_IF_BRIDGE_H
#include <linux/types.h>
#define SYSFS_BRIDGE_ATTR "bridge"
#define SYSFS_BRIDGE_FDB "brforward"
#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
#define SYSFS_BRIDGE_PORT_ATTR "brport"
#define SYSFS_BRIDGE_PORT_LINK "bridge"
#define BRCTL_VERSION 1
#define BRCTL_GET_VERSION 0
#define BRCTL_GET_BRIDGES 1
#define BRCTL_ADD_BRIDGE 2
#define BRCTL_DEL_BRIDGE 3
#define BRCTL_ADD_IF 4
#define BRCTL_DEL_IF 5
#define BRCTL_GET_BRIDGE_INFO 6
#define BRCTL_GET_PORT_LIST 7
#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
#define BRCTL_SET_BRIDGE_HELLO_TIME 9
#define BRCTL_SET_BRIDGE_MAX_AGE 10
#define BRCTL_SET_AGEING_TIME 11
#define BRCTL_SET_GC_INTERVAL 12
#define BRCTL_GET_PORT_INFO 13
#define BRCTL_SET_BRIDGE_STP_STATE 14
#define BRCTL_SET_BRIDGE_PRIORITY 15
#define BRCTL_SET_PORT_PRIORITY 16
#define BRCTL_SET_PATH_COST 17
#define BRCTL_GET_FDB_ENTRIES 18
#define BR_STATE_DISABLED 0
#define BR_STATE_LISTENING 1
#define BR_STATE_LEARNING 2
#define BR_STATE_FORWARDING 3
#define BR_STATE_BLOCKING 4
struct __bridge_info {
__u64 designated_root;
__u64 bridge_id;
__u32 root_path_cost;
__u32 max_age;
__u32 hello_time;
__u32 forward_delay;
__u32 bridge_max_age;
__u32 bridge_hello_time;
__u32 bridge_forward_delay;
__u8 topology_change;
__u8 topology_change_detected;
__u8 root_port;
__u8 stp_enabled;
__u32 ageing_time;
__u32 gc_interval;
__u32 hello_timer_value;
__u32 tcn_timer_value;
__u32 topology_change_timer_value;
__u32 gc_timer_value;
};
struct __port_info {
__u64 designated_root;
__u64 designated_bridge;
__u16 port_id;
__u16 designated_port;
__u32 path_cost;
__u32 designated_cost;
__u8 state;
__u8 top_change_ack;
__u8 config_pending;
__u8 unused0;
__u32 message_age_timer_value;
__u32 forward_delay_timer_value;
__u32 hold_timer_value;
};
struct __fdb_entry {
__u8 mac_addr[6];
__u8 port_no;
__u8 is_local;
__u32 ageing_timer_value;
__u8 port_hi;
__u8 pad0;
__u16 unused;
};
net: set and query VEB/VEPA bridge mode via PF_BRIDGE Hardware switches may support enabling and disabling the loopback switch which puts the device in a VEPA mode defined in the IEEE 802.1Qbg specification. In this mode frames are not switched in the hardware but sent directly to the switch. SR-IOV capable NICs will likely support this mode I am aware of at least two such devices. Also I am told (but don't have any of this hardware available) that there are devices that only support VEPA modes. In these cases it is important at a minimum to be able to query these attributes. This patch adds an additional IFLA_BRIDGE_MODE attribute that can be set and dumped via the PF_BRIDGE:{SET|GET}LINK operations. Also anticipating bridge attributes that may be common for both embedded bridges and software bridges this adds a flags attribute IFLA_BRIDGE_FLAGS currently used to determine if the command or event is being generated to/from an embedded bridge or software bridge. Finally, the event generation is pulled out of the bridge module and into rtnetlink proper. For example using the macvlan driver in VEPA mode on top of an embedded switch requires putting the embedded switch into a VEPA mode to get the expected results. -------- -------- | VEPA | | VEPA | <-- macvlan vepa edge relays -------- -------- | | | | ------------------ | VEPA | <-- embedded switch in NIC ------------------ | | ------------------- | external switch | <-- shiny new physical ------------------- switch with VEPA support A packet sent from the macvlan VEPA at the top could be loopbacked on the embedded switch and never seen by the external switch. So in order for this to work the embedded switch needs to be set in the VEPA state via the above described commands. By making these attributes nested in IFLA_AF_SPEC we allow future extensions to be made as needed. CC: Lennert Buytenhek <buytenh@wantstofly.org> CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-24 12:13:03 +04:00
/* Bridge Flags */
#define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */
#define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */
net: set and query VEB/VEPA bridge mode via PF_BRIDGE Hardware switches may support enabling and disabling the loopback switch which puts the device in a VEPA mode defined in the IEEE 802.1Qbg specification. In this mode frames are not switched in the hardware but sent directly to the switch. SR-IOV capable NICs will likely support this mode I am aware of at least two such devices. Also I am told (but don't have any of this hardware available) that there are devices that only support VEPA modes. In these cases it is important at a minimum to be able to query these attributes. This patch adds an additional IFLA_BRIDGE_MODE attribute that can be set and dumped via the PF_BRIDGE:{SET|GET}LINK operations. Also anticipating bridge attributes that may be common for both embedded bridges and software bridges this adds a flags attribute IFLA_BRIDGE_FLAGS currently used to determine if the command or event is being generated to/from an embedded bridge or software bridge. Finally, the event generation is pulled out of the bridge module and into rtnetlink proper. For example using the macvlan driver in VEPA mode on top of an embedded switch requires putting the embedded switch into a VEPA mode to get the expected results. -------- -------- | VEPA | | VEPA | <-- macvlan vepa edge relays -------- -------- | | | | ------------------ | VEPA | <-- embedded switch in NIC ------------------ | | ------------------- | external switch | <-- shiny new physical ------------------- switch with VEPA support A packet sent from the macvlan VEPA at the top could be loopbacked on the embedded switch and never seen by the external switch. So in order for this to work the embedded switch needs to be set in the VEPA state via the above described commands. By making these attributes nested in IFLA_AF_SPEC we allow future extensions to be made as needed. CC: Lennert Buytenhek <buytenh@wantstofly.org> CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-24 12:13:03 +04:00
#define BRIDGE_MODE_VEB 0 /* Default loopback mode */
#define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */
/* Bridge management nested attributes
* [IFLA_AF_SPEC] = {
* [IFLA_BRIDGE_FLAGS]
* [IFLA_BRIDGE_MODE]
* }
*/
enum {
IFLA_BRIDGE_FLAGS,
IFLA_BRIDGE_MODE,
__IFLA_BRIDGE_MAX,
};
#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
/* Bridge multicast database attributes
* [MDBA_MDB] = {
* [MDBA_MDB_ENTRY] = {
* [MDBA_MDB_ENTRY_INFO]
* }
* }
* [MDBA_ROUTER] = {
* [MDBA_ROUTER_PORT]
* }
*/
enum {
MDBA_UNSPEC,
MDBA_MDB,
MDBA_ROUTER,
__MDBA_MAX,
};
#define MDBA_MAX (__MDBA_MAX - 1)
enum {
MDBA_MDB_UNSPEC,
MDBA_MDB_ENTRY,
__MDBA_MDB_MAX,
};
#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
enum {
MDBA_MDB_ENTRY_UNSPEC,
MDBA_MDB_ENTRY_INFO,
__MDBA_MDB_ENTRY_MAX,
};
#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
enum {
MDBA_ROUTER_UNSPEC,
MDBA_ROUTER_PORT,
__MDBA_ROUTER_MAX,
};
#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
struct br_port_msg {
__u8 family;
__u32 ifindex;
};
struct br_mdb_entry {
__u32 ifindex;
#define MDB_TEMPORARY 0
#define MDB_PERMANENT 1
__u8 state;
struct {
union {
__be32 ip4;
struct in6_addr ip6;
} u;
__be16 proto;
} addr;
};
enum {
MDBA_SET_ENTRY_UNSPEC,
MDBA_SET_ENTRY,
__MDBA_SET_ENTRY_MAX,
};
#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
#endif /* _UAPI_LINUX_IF_BRIDGE_H */