| Commit message (Collapse) | Author | Age | Files | Lines |
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PR: 181078
Submitted by: Brandon Gooch <jamesbrandongooch@gmail.com>
MFC after: 1 week
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LLAs on the member interfaces are actually harmless when the parent
interface does not have a LLA.
- Add net.link.bridge.allow_llz_overlap. This is a knob to allow LLAs on
a bridge and the member interfaces at the same time. The default is 0.
Pointed out by: ume
MFC after: 3 days
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sysctl tree.
* Create a net.link.lagg.X.lacp node
* Add a debug node under that for tx_test and rx_test
* Add lacp_strict_mode, defaulting to 1
tx_test and rx_test are still a bitmap of unit numbers for now.
At some point it would be nice to create child nodes of the lagg bundle
for each sub-interface, and then populate those with various knobs
and statistics.
Sponsored by: Netflix
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Sponsored by: Netflix
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addresses added to the UUID generator using uuid_ether_add(). The
UUID generator keeps an arbitrary number of MAC addresses, under
the assumption that they are rarely removed (= uuid_ether_del()).
This achieves the following:
1. It brings up closer to having the network stack as a loadable
module.
2. It allows the UUID generator to filter MAC addresses for best
results (= highest chance of uniqeness).
3. MAC addresses can come from anywhere, irrespactive of whether
it's used for an interface or not.
A side-effect of the change is that when no MAC addresses have been
added, a random multicast MAC address is created once and re-used if
needed. Previusly, when a random MAC address was needed, it was
created for every call. Thus, a change in behaviour is introduced
for when no MAC addresses exist.
Obtained from: Juniper Networks, Inc.
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Submitted by: adrian, zec
Fix multiple kernel panics when VIMAGE is enabled in the kernel.
These fixes are based on patches submitted by Adrian Chadd and Marko Zec.
(1) Set curthread->td_vnet to vnet0 in device_probe_and_attach() just before calling
device_attach(). This fixes multiple VIMAGE related kernel panics
when trying to attach Bluetooth or USB Ethernet devices because
curthread->td_vnet is NULL.
(2) Set curthread->td_vnet in if_detach(). This fixes kernel panics when detaching networking
interfaces, especially USB Ethernet devices.
(3) Use VNET_DOMAIN_SET() in ng_btsocket.c
(4) In ng_unref_node() set curthread->td_vnet. This fixes kernel panics
when detaching Netgraph nodes.
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additions.
* Add some new tracing events to aid in debugging.
* Add in a debugging mode to drop transmit and received frames, specifically
to test whether seeing or hearing heartbeats correctly cause LACP to
drop the port.
* Add in (and make default) a strict LACP mode, which requires the
heartbeat on a port to be heard before it's used. Sometimes vendor ports
will hang but the link layer stays up, resulting in hung traffic.
* Add logging the number of link status flaps, again to aid in debugging
badly behaving switch ports.
* Calculate the lagg interface port speed as the multiple of the
configured ports, rather than the largest.
Obtained from: Netflix
MFC after: 2 weeks
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routing table with the specified FIB number, not td->td_proc->p_fibnum.
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- Add IFF_MONITOR support.
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counters.
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Use uint64_t as type for all fields of structures.
Changed structures: ahstat, arpstat, espstat, icmp6_ifstat, icmp6stat,
in6_ifstat, ip6stat, ipcompstat, ipipstat, ipsecstat, mrt6stat, mrtstat,
pfkeystat, pim6stat, pimstat, rip6stat, udpstat.
Discussed with: arch@
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Submitted by: @z3ndrag0n
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MFC after: 1 week
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is initialized with !ND6_IFF_AUTO_LINKLOCAL && !ND6_IFF_ACCEPT_RTADV
regardless of net.inet6.ip6.accept_rtadv and net.inet6.ip6.auto_linklocal.
To configure an autoconfigured link-local address (RFC 4862), the
following rc.conf(5) configuration can be used:
ifconfig_bridge0_ipv6="inet6 auto_linklocal"
- if_bridge(4) now removes IPv6 addresses on a member interface to be
added when the parent interface or one of the existing member
interfaces has an IPv6 address. if_bridge(4) merges each link-local
scope zone which the member interfaces form respectively, so it causes
address scope violation. Removal of the IPv6 addresses prevents it.
- if_lagg(4) now removes IPv6 addresses on a member interfaces
unconditionally.
- Set reasonable flags to non-IPv6-capable interfaces. [*]
Submitted by: rpaulo [*]
MFC after: 1 week
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in FBSD 8.0, interface routes have been returened to the
applications without the RTF_GATEWAY bit. This incompatibility
has caused some issues with Zebra, Qugga and the like.
This patch provides the RTF_GATEWAY flag bit in returned interface
routes so to behave similarly to pre 8.0 systems.
Reviewed by: hrs
Verified by: mackn at opendns dot com
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inactive when upper layer tries to transmit packet. This
gives better feedback and meaningful errors for applications.
MFC after: 2 weeks
Reviewed by: thompsa
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MFC after: 1 week
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Reported by: Nikos Vassiliadis <nvass gmx.com>
Submitted by: zec
Tested by: Nikos Vassiliadis <nvass gmx.com>
MFC after: 1 week
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limited in the amount of data they can handle at once.
Drivers can set ifp->if_hw_tsomax before calling ether_ifattach() to
change the limit.
The lowest allowable size is IP_MAXPACKET / 8 (8192 bytes) as anything
less wouldn't be very useful anymore. The upper limit is still at
IP_MAXPACKET (65536 bytes). Raising it requires further auditing of
the IPv4/v6 code path's as the length field in the IP header would
overflow leading to confusion in firewalls and others packet handler on
the real size of the packet.
The placement into "struct ifnet" is a bit hackish but the best place
that was found. When the stack/driver boundary is updated it should
be handled in a better way.
Submitted by: cperciva (earlier version)
Reviewed by: cperciva
Tested by: cperciva
MFC after: 1 week (using spare struct members to preserve ABI)
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- the VALE switch now support up to 254 destinations per switch,
unicast or broadcast (multicast goes to all ports).
- we can attach hw interfaces and the host stack to a VALE switch,
which means we will be able to use it more or less as a native bridge
(minor tweaks still necessary).
A 'vale-ctl' program is supplied in tools/tools/netmap
to attach/detach ports the switch, and list current configuration.
- the lookup function in the VALE switch can be reassigned to
something else, similar to the pf hooks. This will enable
attaching the firewall, or other processing functions (e.g. in-kernel
openvswitch) directly on the netmap port.
The internal API used by device drivers does not change.
Userspace applications should be recompiled because we
bump NETMAP_API as we now use some fields in the struct nmreq
that were previously ignored -- otherwise, data structures
are the same.
Manpages will be committed separately.
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the return value from mtx_sleep() and exit bpfread() on
errors such as EINTR.
Reviewed by: jhb
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Spotted by: http://hacks.owlfolio.org/header-survey/
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duplicating the same code in different places.
MFC after: 2 weeks
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MFC after: 2 weeks
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4 flag bits. This was supposed to happen in 8.0, and again in 2012..
MFC after: never
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Tested by: Chip Marshall
MFC after: 1 week
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likely related to a race condition in the ipi_hash_lock with
the exact cause currently unknown but under investigation.
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Submitted by: swildner@DragonFlyBSD.org
Reviewed by: alfred
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MFC after: 2 weeks
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The lagg(4) is often used to bond high speed links, so basic per-packet +=
on statistics cause cache misses and statistics loss.
Perfect solution would be to convert ifnet(9) to counters(9), but this
requires much more work, and unfortunately ABI change, so temporarily
patch lagg(4) manually.
We store counters in the softc, and once per second push their values
to legacy ifnet counters.
Sponsored by: Nginx, Inc.
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reside on their own cache line to prevent false sharing with other
nearby structures, especially for those in the .bss segment.
NB: Those mutexes and rwlocks with variables next to them that get
changed on every invocation do not benefit from their own cache line.
Actually it may be net negative because two cache misses would be
incurred in those cases.
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MFC after: 1 week
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group.
Reviewed by: rstone
Approved by: rstone (co-mentor)
Sponsored by: Sandvine Incorporated
MFC after: 1 week
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Sponsored by: Nginx, Inc.
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- Convert panic() to KASSERT.
- Remove superfluous cleaning of mbuf fields after allocation.
- Add comment on possible use of m_get2() here.
Sponsored by: Nginx, Inc.
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and that can drive someone crazy. While m_get2() is young and not
documented yet, change its order of arguments to match m_getm2().
Sorry for churn, but better now than later.
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PR: 176764
Submitted by: adri
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Use RTM_PINNED flag to mark route as immutable.
Forbid deleting immutable routes without special rtrequest1_fib() flag.
Adding interface address with prefix already in route table is handled
by atomically deleting old prefix and adding interface one.
Discussed with: andre, eri
MFC after: 3 weeks
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MFC after: 2 weeks
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length packets, which was actually harmless.
Note that peers with different version of head/ may grow this
counter, but it is harmless - all pfsync data is processed.
Reported & tested by: Anton Yuzhaninov <citrin citrin.ru>
Sponsored by: Nginx, Inc
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