Commit Graph

16 Commits

Author SHA1 Message Date
Pedro F. Giffuni
1de7b4b805 various: general adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.
2017-11-27 15:37:16 +00:00
Adrian Chadd
85161825cf [ifconfig] fix a memory leak!
Submitted by:	Tom Rix <trix@juniper.net>
Differential Revision:	https://reviews.freebsd.org/D9675
2017-02-20 03:12:46 +00:00
Marcelo Araujo
cf83e90307 Use nitems() from sys/param.h.
MFC after:	2 weeks.
2016-04-19 04:42:34 +00:00
Enji Cooper
abd7105060 Replace N #defines with nitems to simplify ifconfig code slightly
MFC after: 1 week
2015-09-27 07:51:18 +00:00
Andrew Thompson
5f33ec7ba2 Add an option to limit the number of source MACs that can be behind a bridge
interface.  Once the limit is reached packets with unknown source addresses are
dropped until an existing host cache entry expires or is removed.  Useful to
use with the STICKY cache option.

Sponsored by:	miniSuperHappyDevHouse NZ
2007-11-04 08:32:27 +00:00
Andrew Thompson
85ce729794 Add a bridge interface flag called PRIVATE where any private port can not
communicate with another private port.

All unicast/broadcast/multicast layer2 traffic is blocked so it works much the
same way as using firewall rules but scales better and is generally easier as
firewall packages usually do not allow ARP blocking.

An example usage would be having a number of customers on separate vlans
bridged with a server network. All the vlans are marked private, they can all
communicate with the server network unhindered, but can not exchange any
traffic whatsoever with each other.

Approved by:	re (rwatson)
2007-08-01 00:33:52 +00:00
Andrew Thompson
22dcc3c17b Add the vlan tag to the bridge route table. This allows a vlan trunk to be
bridged, previously legitimate traffic was not passed as the bridge could not
tell that it was on a different Ethernet segment.

All non-tagged traffic is treated as vlan1 as per IEEE 802.1Q-2003
2007-06-13 18:58:04 +00:00
Andrew Thompson
787096051b These days P2P means peer-2-peer (also well known from serveral filesharing
protocols) while PointToPoint has been PtP links. Change the variables
accordingly while the code is still fresh and undocumented.

Requested by:	bz
2006-12-11 23:46:40 +00:00
Andrew Thompson
75ba43386e Show the MAC address cache size and timeout. 2006-11-27 20:52:57 +00:00
Andrew Thompson
1dfd31abfb Keep the command name the same as the values display name in ifconfig. 2006-11-27 20:18:43 +00:00
Andrew Thompson
6c32e05ca3 Sync with the OpenBSD port of RSTP
- use flags rather than sperate ioctls for edge, p2p
 - implement p2p and autop2p flags
 - define large pathcost constant as ULL
 - show bridgeid and rootid in ifconfig

Obtained from:	Reyk Floeter <reyk@openbsd.org>
2006-11-27 00:35:40 +00:00
Andrew Thompson
3df7fad0cf Add a new address cache type called sticky. On an interface marked sticky any
address learned by the bridge is made permanent, the address will not age out
and most importantly will not migrate to another interface.

This can be used to stop mac address poisoning or clients roaming in much the
same way as static entries without the hassle of preloading the table.
2006-11-09 06:32:38 +00:00
Andrew Thompson
3fab76690c Bring in support for the Rapid Spanning Tree Protocol (802.1w).
RSTP provides faster spanning tree convergence, the protocol will exchange
information with neighboring switches to quickly transition to forwarding
without creating loops. The code will default to RSTP mode but will downgrade
any port connected to a legacy STP network so is fully backward compatible.

Reviewed by:	syrinx
Tested by:	syrinx
2006-11-01 09:07:47 +00:00
Andrew Thompson
91f6764e93 Add support for creating span ports so that one can snoop bridged traffic
from another interface/machine/network.

Obtained from:	OpenBSD
MFC after:	2 weeks
2005-12-14 02:52:13 +00:00
Andrew Thompson
a33a86ea1f Display the status of the spanning tree for each port.
member: xl0 flags=7<LEARNING,DISCOVER,STP>
        member: gem0 flags=7<LEARNING,DISCOVER,STP>
to:
        member: xl0 flags=7<LEARNING,DISCOVER,STP>
                port 3 priority 128 path cost 55 forwarding
        member: gem0 flags=7<LEARNING,DISCOVER,STP>
                port 1 priority 128 path cost 55 learning
2005-10-07 00:32:16 +00:00
Andrew Thompson
31997bf223 Add if_bridge, which provides more advanced Ethernet bridging and 802.1d
spanning tree support.

Based on Jason Wright's bridge driver from OpenBSD, and modified by Jason R.
Thorpe in NetBSD.

Reviewed by:	mlaier, bms, green
Silence from:	-net
Approved by:	mlaier (mentor)
Obtained from:	NetBSD
2005-06-05 02:59:26 +00:00