use #ifdefs with
increased size here. So, what the best way to fix this?
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On 01.07.2013 16:26, Vijay Singh wrote:
If you enable OFED, then the llentry size is expanded to store IB addresses
as well. Code should be in 9.x.
Yes, but this isn't solution.
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http
relating to FIBs:
Hi,
I also have a small patch.
Since icmp6_mtudisc_update() calls tcp_maxmtu6() where inc-inc_fibnum
is used, I think it is good idea to initialize this field.
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Index: head/sys/netinet6/icmp6.c
.
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there are many of small changes that
should be done. I would like to see your opinions about first point.
[1] http://tinyurl.com/figure2-12
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are intact. Why does the kernel not forward those
packets?
What is the last rule? I suspect it is deny all?
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how it can affect routing.
Make sure:
1. net.inet.ip.forwarding=1 (gateway_enable=YES in rc.conf)
2. you have route and gateway is reachable (route get/arp -n).
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(with fastforwarding)
about 7 Mpps IPv4 and 2.5Mpps IPv6. But the stock system is far from
even half of this results.
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On 24.07.2014 16:47, John Jasen wrote:
On 07/24/2014 05:24 AM, Andrey V. Elsukov wrote:
On 22.07.2014 19:18, John Jasen wrote:
Feedback and/or tips and tricks more than welcome.
Outstanding questions:
Would increasing the number of processor cores help?
AFAIR, increasing the number
that this code works in linux. I looked in the linux kernel
source, and I think it should return EINVAL too.
net/ipv6/mcast.c:ipv6_sock_mc_join:
154 if (!ipv6_addr_is_multicast(addr))
155 return -EINVAL;
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On 03.09.2014 17:39, Craig Rodrigues wrote:
On Wed, Sep 3, 2014 at 5:19 AM, Andrey V. Elsukov a...@freebsd.org wrote:
On 03.09.2014 14:05, bugzilla-nore...@freebsd.org wrote:
Hi,
you said that this code works in linux. I looked in the linux kernel
source, and I think it should return EINVAL
(delayed in the dummynet pipe). I think this is well known problem.
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and in the ip6_getdstifaddr() we can
use the ifa_withifaddr() routines to retrieve the ia by basically
looping through the list of ifaddrs.
Hi,
*Solution 3:*
Remove this code :)
What you think about this?
https://svnweb.freebsd.org/base?view=revisionrevision=256673
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will be needed when mobile IPv6 support will
be added.
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, Maxim
Why do you called it userfw? Does it work in user level? :)
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or suggestions are really appreciated.
Please, read the ipfw(4) manual page about the sysctl variable
net.link.ether.ipfw.
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went away, __func__));
-#endif
if (ifp == NULL)
return (ENOENT);
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===
--- if_vlan.c (revision 239294)
Hi, John.
This also works, thanks.
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/pfil_forward.diff
Also we have done some tests with the ixia traffic generator connected
via 10G network adapter. Tests have show that there is no visible
difference, and there is no visible performance degradation.
Any objections?
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is undesirable, because we can have
kernel without ipfw. So, i decided to choose pfil, because it could not
work without pfil.
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think 512
buckets is too many.
2. What hash function is better to use?
3. Using the whole 128 bit of address to hash seems like overkill.
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at:
http://people.freebsd.org/~emaste/patches/fwd_tag_findpcb.diff
Hi Ed,
it seems this problem was there before my breakage.
Also, it think that m_tag_unlink is redundant here, because you clear
the M_IP_NEXTHOP/M_IP6_NEXTHOP flag.
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On 29.04.2011 00:44, Lev Serebryakov wrote:
Hello, Freebsd-net.
Does queue/sched masks work with IPv6 addresses? I can not find any
examples for this, all examples are with 32-bit masks only...
Hi,
it should work, just try use bigger masks values and ipv6 specifiers.
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The following reply was made to PR kern/157802; it has been noted by GNATS.
From: Andrey V. Elsukov a...@freebsd.org
To: bug-follo...@freebsd.org, alexey_kovale...@inbox.ru
Cc:
Subject: Re: kern/157802: [dummynet] [panic] kernel panic in dummynet
Date: Thu, 16 Jun 2011 15:05:59 +0400
Hi
On 05.12.2011 9:29, Adrian Chadd wrote:
Hi,
Can you please just fire up kgdb and get a backtrace from the core?
There should be core.X.txt file, usually it already has a backtrace.
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mrouted, you can install it from ports/net/mrouted.
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, Andrey V. Elsukov
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Peter Kirk wrote:
On Friday 20 June 2008 11:10:06 Andrey V. Elsukov wrote:
I have a fresh installation of FreeBSD7 on x86, with no big changes to
the system.
Can you show `ifconfig -u` output?
re0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST metric 0 mtu 1500
options=9bRXCSUM
it appears in.)
*** Error code 1
IPFW_TABLES_MAX seems like defined in netinet/ip_fw.h, which is included
in ipfw2.c:
IPFW_TABLES_MAX protected by _KERNEL macro. This is why you get
an error.
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Something similar was rejected at least two times :)
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/83622
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/110720
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, clean up the file upon restart, but we can not prevent other
programs from calling IOCSIFNAME on the interface. Any idea for this?
What about using interface index as a key(see if_nameindex(3))?
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On 23.08.2010 3:38, Ingo Flaschberger wrote:
ifconfig em0 10.11.11.175/24
ifconfig em0 alias 10.20.20.1/24
route add -net 10.20.20.0/24 10.11.11.1 -weight 2
Fatal trap 12: page fault while in kernel mode
Hi,
Can you show output of `ident /usr/src/sys/dev/e1000/if_*`?
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computer reboot?
See the above links.
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or dst-port 520 with udp protocol?
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Is it possible to use ng_tag in conjunction with pf? I have a setup
At this time it's impossible. You can use ng_tag(4) in conjunction with ipfw(4).
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logging to syslogd(8)
options IPFIREWALL_VERBOSE_LIMIT=100#limit verbosity
options IPDIVERT
options LIBALIAS
You need also:
options IPFIREWALL_NAT #ipfw kernel nat support
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Randy Bush wrote:
# grep -n nat /etc/ipfw.rules
33:add nat 123 all from any to any
34:add nat 123 config if vr0
- add is not needed here.
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script you should use -f flag when you run
ipfw flush command.
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, when you run `ipfw flush` in the
/etc/ipfw.sh script.
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there
was a discussion about WOL support. Look to topics:
1. FreeBSD WOL sis on
2. How to add wake on lan support for your card
And as i remember, Sam Leffer has made some work for WOL support.
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?
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Index: src/sbin/ipfw/ipfw2.c
===
RCS file: /ncvs/src/sbin/ipfw/ipfw2.c,v
retrieving revision 1.118
diff -u -p -r1.118 ipfw2.c
--- src/sbin/ipfw/ipfw2.c 27 Feb 2008 13:52:33 - 1.118
+++ src/sbin
Responsible-Changed-Why:
Over to maintainer(s).
http://www.freebsd.org/cgi/query-pr.cgi?pr=123053
Hi, Martin.
Can you try this patch?
http://butcher.heavennet.ru/re.spin4.patch
It's originally written by yongari@, but I didn't get response
from the guy which has this hardware.
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Nate Nielsen wrote:
Anyone want to help with the FreeBSD port?
I can try to include this module as optional
part of net-mgmt/bsnmpd.
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Harti Brandt wrote:
That would not help people running current, because the port is only build
for version that don't have bsnmpd in the tree.
I can make it like bind9, PORT_REPLACES_BASE_BSNMPD :)
Can you include all bsnmp modules with bsnmpd sources?
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Julian Elischer wrote:
I have changes that make it work in 4.x but they will not apply to 5.x
or later..
Luigi also has some changes that allow it..
I can try porting an older patches which allow this.
Is there a chance for including this feature into base system?
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:
http://butcher.heavennet.ru/patches/kernel/ipfw_tags/
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patch that uses a
tableargs feature with ipfw_tags to CURRENT:
http://docs.freebsd.org/cgi/mid.cgi?200606150939.k5F9dMrB019958
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.
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Artem Belevich wrote:
OpenBSD apparently got a driver for Marvell Yukon2 Gigabit Ethernet
adapters that these days present on quite a few motherboards (or as a
relatively inexpensive PCI-Express card). NetBSD got it as well.
See here:
http://people.freebsd.org/~yongari/msk/
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in dhclient.conf
and take effect when a DHCP server not respond. MS Windows have a
similar feature.
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Doug Barton wrote:
I think making FreeBSD more like Windows is a bad idea. :)
Yes, i partially agree, but this feature can be usefull
on a laptops.
If this feature will have a chance to commit, I can try
to implement it.
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Hi, All!
I want get the IPFIREWALL_FORWARD feature without a kernel rebuild.
And use forwarding with the ipfw kld. It's possible to have this
functional in the base system? If yes, then which is preferred way:
sysctl or kld?
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Andrey V. Elsukov wrote:
This introduces quite a bit of extra code into the path of IP packets.
Yes, it will add a few extra checks like a if (pfil_forward_enabled) {...}
Some people are very sensitive about anything that slows down that path.
I can introduce a new kernel option
be applicable
to stable/10.
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On 21.10.2014 00:00, Matthew Grooms wrote:
On 10/20/2014 2:47 PM, Andrey V. Elsukov wrote:
On 20.10.2014 20:18, Matthew Grooms wrote:
Lastly, I tried to locate a relevant PR but didn't find anything
concrete. Is this related to the issue? And if so, can it be MFCd?
https://bugs.freebsd.org
see
the traffic on the gif interface so return traffic gets blocked for lack
of a state entry ).
Since you applied r266800, you now may apply r272394.
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and outer header.
* deprecate support for various GREXXX ioctls, use our standard ioctls
for tunnels.
me(4):
* use the same locking model as gre(4);
* use if_transmit;
* implementation conform to RFC 2004;
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On 29.10.2014 12:35, Andrey V. Elsukov wrote:
Hi All,
I prepared the patch for review
https://reviews.freebsd.org/D1023
For those who want to test, I prepared a tarball with sources
https://people.freebsd.org/~ae/gre.tgz
Modules should work on stable/10 and head/ without
destination address. Probably you have NAT
that does this.
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versions don't overwrite destination address.
https://svnweb.freebsd.org/base?view=revisionrevision=225044
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kernel compiled with IPSEC
can forward only 180 kpps. I think this problem should be solved before
enabling it in GENERIC.
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helps in kernel SSL encryption (key per IP vs per TCP
session).
IPSEC had unresolved bugs for years, and now all will be magically
fixed. I think we need some way to enable/disable it on the fly. This
may be a compromise.
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On 05.11.2014 19:18, Evandro Nunes wrote:
On Wed, Nov 5, 2014 at 1:52 PM, Andrey V. Elsukov bu7c...@yandex.ru wrote:
On 05.11.2014 18:39, George Neville-Neil wrote:
Howdy,
Last night (Pacific Time) I committed a change so that GENERIC, on HEAD
has the netmap
device enabled
On 05.11.2014 18:52, Andrey V. Elsukov wrote:
recently we did some IP forwarding tests and the GENERIC kernel is
several times faster than GENERIC+IPSEC. Even when IPSEC has no SA.
I didn't do test on vanilla kernel, but our kernel is able forward
IPv4/IPv6 on rate close to 8.6 Mpps
notice that, with a custom kernel, patching is much more complex and
time consuming. As binary updates are not possible any more.
You don't need rebuild the kernel. Just load the module.
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hosts and it works.
I use racoon and isakmpd for IKE. ICMP, TCP (ssh) and UDP (ike) works
for me. How do you test? Do you use software crypto or aesni?
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a firewall with inner address Y and outer
address U.
Do you use gif(4) to create tunnels?
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On 20.11.2014 20:38, Adrian Chadd wrote:
On 20 November 2014 09:33, Andrey V. Elsukov a...@freebsd.org wrote:
Hi All,
we already did some changes in network stack in head/, that made ability
for merging changes into stable branches much harder.
What you think about adding the following
ae added a subscriber: ae.
ae added a comment.
I think you need to adjust some comments in frag6_input().
REVISION DETAIL
https://reviews.freebsd.org/D1388
To: kibab, bz
Cc: ae, freebsd-net
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as replied,
but considered as replied when calculating statistics.
-X timeout
Specify a timeout, in seconds, before ping exits regardless of
how many packets have been received.
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ae added a subscriber: ae.
ae accepted this revision.
ae added a reviewer: ae.
ae added a comment.
I have no objections against it, the code looks similar to previous
implementation.
REVISION DETAIL
https://reviews.freebsd.org/D1764
To: kristof, glebius, ae
Cc: ae, glebius, freebsd-net
ae added a subscriber: ae.
ae added a comment.
You said about some panics, do you have traces?
REVISION DETAIL
https://reviews.freebsd.org/D1777
To: rrs, imp, sbruno, gnn, rwatson, lstewart, kostikbel, adrian, jhb, bz
Cc: ae, bz, emaste, hiren, julian, hselasky, freebsd-net
, ifs6_in_truncated);
+ goto bad;
+ }
This is very rare case, I think, but plen can be zero in case, when
jumbo payload option is present. Probably this is the reason why this
check is done after hop-by-hop options parsing.
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V. Elsukov
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contain some user-visible/useful feature,
that users can test or discuss, please, use special phabricator's group
'#network' for review instead of freebsd-net@.
Thanks.
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ae added a subscriber: ae.
ae added a comment.
Just a thought. Imagine two interfaces, one has maximum MTU 2200, another 1500.
lagg0 has MTU 1400.
Two threads invokes changing MTU in the same time. One wants to change it to
2000, another - to 1500.
It is possible, that when both threads will
ae added a comment.
! In D1986#7, @rstone wrote:
RLOCK only gets a read lock. You want WLOCK to get a write lock to ensure
serialization.
Also we can use another lock in the lagg_ioctl, that will prevent simultaneous
MTU changing.
REVISION DETAIL
https://reviews.freebsd.org/D1986
To:
, Andrey V. Elsukov
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does needed configuration via setsockopt(IP_IPSEC_POLICY)?
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(ip_ipsec_output(m, inp, flags, error)) {
+ switch(ip_ipsec_output(m, NULL, flags, error)) {
case 1:
goto bad;
case -1:
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a IPSec connection and report back.
Thank you. But I think something will not work if you try it with IPSec.
Probably if you use some IKE software, it will not work with this patch.
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http
? (192.168.1.125) at b4:52:7e:95:2a:f5 [ether] on eth0
I think it is because FreeBSD sends ICMP redirects when it finds that
route to the given destination goes back to the receiving interface.
Try to disable ICMP redirects:
# sysctl net.inet.ip.redirect=0
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On 06.05.2015 15:51, Martin Larsson wrote:
This is a small summary of
https://forums.freebsd.org/threads/routing-issue-with-ipsec-windows-works-linux-doesnt.51201/
Can you provide run-time configuration from your FreeBSD gateway?
# setkey -D
# setkey -DP
# netstat -rnf inet
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On 01.06.2015 18:56, Julian Kornberger wrote:
Am 28.05.2015 um 15:59 schrieb Andrey V. Elsukov:
Also can you try this module instead of one from your base system?
https://people.freebsd.org/~ae/gre-10.tgz
This is ported to stable/10 version from 11.0-CURRENT.
I installed your gre module
soon.
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joined to multicast group on the specific interface used as
outgoing in send_packet.
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On 28.05.2015 17:22, Julian Kornberger wrote:
Am 28.05.2015 um 15:59 schrieb Andrey V. Elsukov: Can you enable
dumpon(8) in your rc.conf, then get the crash dump and
show content of your /var/crash/core.txt.N file?
Also can you try this module instead of one from your base system?
https
On 29.05.2015 04:13, Julian Kornberger wrote:
Am 29.05.2015 um 01:35 schrieb Andrey V. Elsukov:
The actual panic occurs when ip_output() does RO_RTFREE() to cached
route owned by gre(4).
#7 0x80a58105 in ip_output (m=0xf800054bb000,
opt=value optimized out, flags=value
your base system?
https://people.freebsd.org/~ae/gre-10.tgz
This is ported to stable/10 version from 11.0-CURRENT.
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WBR, Andrey V. Elsukov
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,
it loses this tag. You need to check your rules and avoid applying
divert rules to GRE packets. Also you can use some netgraph based tcpmss
implementation.
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WBR, Andrey V. Elsukov
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)
return (EADDRNOTAVAIL);
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WBR, Andrey V. Elsukov
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age.
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WBR, Andrey V. Elsukov
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https://svnweb.freebsd.org/base?view=revision=288529
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WBR, Andrey V. Elsukov
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it claims are
routers. But I still can't get routing.
Is the above message pointing at my error or at my provider's error?
No, this is debug message. It means that sin6_scope_id is already filled
in struct sockaddr_in6. You can ignore it or just upgrade your system.
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WBR, Andrey V. Elsukov
On 01.10.2015 06:39, Sechang Son wrote:
> Hi,
>
> Can somebody tell me the name of the routine that configures 127.0.0.1 to
> loif of Vnet‹i.e., V_loif? I checked Œvnet_loif_init¹ but it does not seem
> to be doing thatŠ Thanks a lot.
It is ipv4_up() from /etc/network.subr.
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f81d00, off=20)
> at /usr/src/sys/netinet/ip_encap.c:149
> #10 0x80a77f57 in ip_input (m=0xf8001ef81d00)
> at /usr/src/sys/netinet/ip_input.c:734
> [...]
>
> Any ideas?
Can you test this patch?
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W
> Is it worth creating an issue report to track/resolve this, with 10.3
> coming up?
This problem exists since 4.x-5.x, so, I don't think that creating a
report will automatically resolve it :)
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WBR, Andrey V. Elsukov
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fore we go down that road.
Hi,
some time ago Mark Johnston has published there the patch related to
this problem:
https://lists.freebsd.org/pipermail/freebsd-net/2013-February/034682.html
Maybe Mark has something to say about it.
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WBR, Andrey V. Elsukov
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