gmane.network.openvswitch.devel

From: Mrs. Sharon Jones.

From: Mrs. Sharon Jones. — 2012-05-26T21:30:03

From: Mrs. Sharon Jones.
Beloved Brethren,

Greetings to you and your family! My name is Sharon Jones, I am 59 years old deaf aging widow suffering from a terminal disease Cancer for about 5 years now. I have just been informed by my doctor that I have a short time now to live on earth, I have no kids and my husband is dead and most of my trusted relatives are also dead.

During my quiet time with the lord, he has directed me to inform you of his Desire to have you as his servant, I inherited the sum of US$11,000.000 from my late husband and now that I have a short time to live on earth, I sought for an honest person that will distribute the funds among the charity homes, I got your contact through a deep search of likely relatives.

However, I have realized that if anything happens to me now, the bank will use that as an opportunity to confiscate the funds. Hence I have prayed and cried to the lord for divine direction and he gave me a vision of faith in my dreams then I woke up and opened my bible to Levi

Get back to this office.

FBI-FBI — 2012-05-26T17:52:04

Our Ref: RTB /SNT/STB
To.  Beneficiary.

Sir,

I am Special Agent David Jackson and am here in Nigeria as an FBI delegate that has been delegated to investigate this fraudsters who are in the business of swindling Foreigners that came for transaction in Nigeria . Please be informed that during my investigation I got to find out that there is a huge sum of $10.5million that has been assigned in your name and this fraudsters are busy swindling you without any hope of receiving your fund.

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I have a very limited time to stay in Nigeria here so I advise you urgently respond to this message .

I shall expect y

Please View attached to claim your prize.

Mrs. Susan — 2012-05-26T12:42:32

Participa en el sorteo de un iPad3

2012-05-25T13:36:39

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[PATCH] ofp-util: Clean up cookie handling.

Justin Pettit — 2012-05-26T01:48:40

Commit e72e793 (Add ability to restrict flow mods and flow stats
requests to cookies.) modified cookie handling.  Some of its behavior
was unintuitive and there was at least one bug (described below).
Commit f66b87d (DESIGN: Document uses for flow cookies.) attempted to
document a clean design for cookie handling.  This commit updates the
DESIGN document and brings the implementation in line with it.

In commit e72e793, the code that handled processing OpenFlow flow
modification requests set the cookie mask to exact-match.  This seems
reasonable for adding flows, but is not correct for matching, since
OpenFlow 1.0 doesn't support matching based on the cookie.  This commit
changes to cookie mask to fully wildcarded, which is the correct
behavior for modifications and deletions.  It doesn't cause any problems
for flow additions, since the mask is ignored for that operation.

Bug #9742

Reported-by: Luca Giraudo <lgiraudo-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
Reported-by: Paul Ingram <paul-l0M0P4e3n4LQT0dZR+

[loss-report 1/4] poll-loop: More strictly rate-limithigh CPU use.

Ben Pfaff — 2012-05-25T21:36:34

120 messages per minute just isn't helpful.

Signed-off-by: Ben Pfaff <blp-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
---
 lib/poll-loop.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/poll-loop.c b/lib/poll-loop.c
index ba6c3a1..516cf13 100644
--- a/lib/poll-loop.c
+++ b/lib/poll-loop.c
< at >< at > -1,5 +1,5 < at >< at >
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
< at >< at > -157,7 +157,7 < at >< at > poll_immediate_wake(const char *where)
 static void
 log_wakeup(const char *where, const struct pollfd *pollfd, int timeout)
 {
-    static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(120, 120);
+    static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
     enum vlog_level level;
     int cpu_usage;
     struct ds s;

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Hello my dear,

Mercy Joseph — 2012-05-25T09:54:39


Hello my dear,

With great respect and honour i am writing to you this mail.Please pardon me if i interfere into your privacy,My name is Miss Mercy Joseph Young, 23 years of age, i am the only daughter of Late Dr Joseph Young from Ivory Coast, my father was the owner of Joseph Cocoa Industries Limited and he was a personal adviser to our former Head of State (late General Robert Guei). My purpose of contacting you is first, i want to know more about you so that i will know the areas you will be of assistance to my needs. I have some reasonable amount of moneys which my parents left for me before their untimely death, i want to plan for my future by investing this money in a good and profitable business but I don’t know where to start and that is why I got interested in contacting you hoping that you will be kind a sincere to me by leading me through the right process to see that this money is not wasted because it is my only hope of planning for my future .Please,
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[PATCH] memory: Memory leak when generating reports.

Ethan Jackson — 2012-05-22T23:44:58

Signed-off-by: Ethan Jackson <ethan-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
---

Mildly ironic.

---
 lib/memory.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/memory.c b/lib/memory.c
index 779860e..1babfe9 100644
--- a/lib/memory.c
+++ b/lib/memory.c
< at >< at > -119,6 +119,7 < at >< at > compose_report(const struct simap *usage, struct ds *s)
         ds_put_format(s, "%s:%u ", node->name, node->data);
     }
     ds_chomp(s, ' ');
+    free(nodes);
 }
 
 /* Logs the contents of 'usage', as a collection of name-count pairs.

XII Congreso Ciencia y Espiritu en Madrid

Ciencia y Espiritu — 2012-05-24T16:30:23




Vealo en directo por
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Conexión para los dos días:

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Ponentes



Enrique de Vicente


Josep Pàmies


Victor Brossa


Albert Ronald Morales


Ángel Gracia


Felix Rodrigo Mora


Santi Ibarretxe y Fran Rubio


Javier Pérez Nieto


Antonio Ortega


Xavier Pedro y Blanca


Coronel Diego Camacho


Diana Castillo


Vicente Fuentes


José Luis Tejero


Clara Bueno


Fulgencia León Alegría


Pilar Baselga


Ángel Lafuente


 
 



Leer
más.

[PATCH] ovs-dpctl: Don't includeinclude/openvswitch/tunnel.h

Simon Horman — 2012-05-24T08:15:04

The inclusion include/openvswitch/tunnel.h does not seem to be needed any
more.

Signed-off-by: Simon Horman <horms-/R6kz+dDXgpPR4JQBCEnsQ< at >public.gmane.org>
---
 lib/odp-util.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/odp-util.c b/lib/odp-util.c
index 13cdf8e..8693d3c 100644
--- a/lib/odp-util.c
+++ b/lib/odp-util.c
< at >< at > -30,7 +30,6 < at >< at >
 #include "flow.h"
 #include "netlink.h"
 #include "ofpbuf.h"
-#include "openvswitch/tunnel.h"
 #include "packets.h"
 #include "simap.h"
 #include "timeval.h"

MSS Clamp in User-Space

Simon Horman — 2012-05-24T00:26:07

Hi Jesse,

as part of our discussion on flow-based tunneling a few weeks ago
you mentioned that you would like to see an implementation of MSS Clamping
in user-space in order to eliminate the need for gre_err().

I made a start on implementing this, and I have a non-configurable
version working. Its pretty crude and just adjust the MSS on all TCP
SYN packets with no payload that are seen in handle_flow_miss_common().

That much seems to work. But I am unsure about a few things.
* Should it be configurable per-output port?
  If so that may be problematic if there are multiple outputs as
  the packet data is mangled.

* I am unsure how to automatically calculate the desired
  Clamp size. In particular, in for GRE it would be nice
  to allow it to be automatically clamped to the underlying MTU less
  the header size. But I'm unsure of a sane way to obtain the MTU.

Perhaps I am on the wrong track?

It does seem to me that this might be easier implemented in the datapath
as ovs_tnl_send() already has access to s

Multiple Controllers in OpenFlow network?

Phan Xuan Thien — 2012-05-23T14:50:54

Hi all,

I'm doing a project concerning OpenFlow and I have some questions  
about deploying OpenFlow network.

-  Can we deploy an OpenFlow network with multiple Controllers over  
multiple network Domains, each Controller manage a subset of OF  
Switches? (Can we deploy an OpenFlow network in which some OF Switches  
of this network connect to a Controller ( called Controller 1), some  
other Switches connect to Controller 2, some others connect to  
Controller 3, ... ?)

-  Can we deploy this OpenFlow network using OpenvSwitch and how to do  
that ?

Thanks in advance for your answer.

Best regards,

Thien.

Практические рекомендации в управлении предприятием в ЕЭП

ВЭД и ВТО — 2012-05-23T19:52:34

НОВЫЕ ПЕРСПЕКТИВЫ ВЭД в УСЛОВИЯХ ВТО И ЕЭП

Обучение состоится: 04-05 июня в Санкт-Петербурге

Место проведения: г. Санкт–Петербург, БЦ "Овентал Хистори", ул. Социалистическая, д. 14.
Стоимость участия: 17 500 рублей.
В стоимость входит методический материал, обеды, кофе-паузы, сертификат.
Дополнительно предлагается экскурсионное обслуживание по г. Санкт-Петербургу.

Регистрация осуществляется по тел.:  8(812)448.. 64.. 33;  8(495)929.. 70.. 53

Цель данного семинара помочь российским компаниям подготовиться к работе в новых
экономических условиях и минимизировать возникающие ри

[PATCH] datapath: Avoid system freeze due toovs-flow-rehash softlockup.

Pravin B Shelar — 2012-05-23T17:36:51

OVS datapath does periodic flow table rehash which takes genl_lock
in workq context.
In some cases, like ports add or delete, genl_lock can cause softlockup
as vswitchd would take and succeed with genl_lock and rehash workq
would block on the lock. Eventually rehash will proceed, flow rehash
is low priority task so this is not problem for rehashing.
But it is blocking workq thread; some other workq item from other
kernel subsystem would be blocked and can cause system freeze.
To avoid workq blocking and system freeze, we can use OVS compat workq.
It runs in separate kernel thread thus does not block any non-ovs
deferred workq work item.

Signed-off-by: Pravin B Shelar <pshelar-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
---
 datapath/linux/compat/include/linux/workqueue.h |   13 +++++--------
 datapath/linux/compat/workqueue.c               |    4 +---
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/datapath/linux/compat/include/linux/workqueue.h b/datapath/linux/compat/include/linux/workqueue.

[PATCH] ofp-print: Print the type of truncated messages,when available.

Ben Pfaff — 2012-05-23T16:34:07

The function ofputil_decode_msg_type_partial() can figure out the type of
a truncated OpenFlow message, if the message is long enough that its type
can be determined, so we should print this information.   This is
especially valuable for printing OFPT_ERROR messages, in which the inner
OpenFlow message is often truncated to 64 bytes.

Signed-off-by: Ben Pfaff <blp-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
---
 lib/ofp-print.c     |   28 ++++++++++++++++++++++------
 tests/ofp-errors.at |   32 ++++++++++++++++++++++++++------
 tests/ofp-print.at  |    8 ++++----
 3 files changed, 52 insertions(+), 16 deletions(-)

diff --git a/lib/ofp-print.c b/lib/ofp-print.c
index 1757a30..3d58f10 100644
--- a/lib/ofp-print.c
+++ b/lib/ofp-print.c
< at >< at > -1590,13 +1590,9 < at >< at > ofp_print_nxt_set_controller_id(struct ds *string,
 }
 
 static void
-ofp_to_string__(const struct ofp_header *oh,
-                const struct ofputil_msg_type *type, struct ds *string,
-                int verbosity)
+ofp_header_to_string__(const struct of

Problem with DHCP and TUNNEL

Daniele Milani — 2012-05-23T14:49:21

Hi,
I have the following situation:
-two different physical hosts (H1 and H2);
-in H1 I created a bridge (br1) and I started a dnsmasq daemon listening on it (DHCPDAEMON1);
-in H2 I created another bridge (br2) and I started a dnsmasq daemon listening on it (DHCPDAEMON2);
-I created a gre tunnel between H1 and H2.

The problem is that, if I start a Virtual Machine on H1 I receive DHCP offer both from DHCPDAEMON1 and DHCPDAEMON2, and if I start a VM on H2 I obtain the same behaviour.

My question is: is it possible to prevent DHCP traffic from passing into the tunnel?

Thanks,
Daniele Milani

OVS Push VLAN Tag Hack and Problem

Naga Rohit, IIT Guwahati — 2012-05-23T05:14:45

Hi,

I was working on a hack which can change the behavior of
"mod_vlan_vid" action and behave as "push_vlan" for a quick temporary
OF1.1 support. For this, I changed the following two functions:
(PS: I am using mininet framework)

FILE: ~/openvswitch/datapath/actions.c
FUNCTION:
static struct sk_buff *modify_vlan_tci(struct sk_buff *skb, __be16 tci)
{
struct vlan_ethhdr *vh;
__be16 old_tci;

if (vlan_tx_tag_present(skb) || skb->protocol != htons(ETH_P_8021Q))
return __vlan_hwaccel_put_tag(skb, ntohs(tci));

skb = make_writable(skb, 0);
if (unlikely(!skb))
return NULL;

if (unlikely(skb->len < VLAN_ETH_HLEN))
return skb;

vh = vlan_eth_hdr(skb);

old_tci = vh->h_vlan_TCI;
vh->h_vlan_TCI = tci;

if (get_ip_summed(skb) == OVS_CSUM_COMPLETE) {
__be16 diff[] = { ~old_tci, vh->h_vlan_TCI };
skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum);
}

return skb;
}
CHANGED TO:
static struct sk_buff *modify_vlan_tci(struct sk_buff *skb, __be16 tci)
{

struct vlan_ethhdr *vh;
__be16

[PATCH] Allow general masking of IPv4 addresses ratherthan just CIDR masks.

Ben Pfaff — 2012-05-23T05:06:34

OF1.1 and later make these fields fully maskable so we might as well also.

Signed-off-by: Ben Pfaff <blp-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
---
This depends on the "ofp11_match" series.

 NEWS                          |    4 ++++
 include/openflow/nicira-ext.h |    6 ++++--
 lib/meta-flow.c               |    8 ++++----
 lib/ofp-util.c                |   17 ++++++++++-------
 lib/packets.c                 |    7 ++++---
 tests/ovs-ofctl.at            |   18 ++++++++++++++----
 utilities/ovs-ofctl.8.in      |    4 +++-
 7 files changed, 43 insertions(+), 21 deletions(-)

diff --git a/NEWS b/NEWS
index f8f09e6..374aec7 100644
--- a/NEWS
+++ b/NEWS
< at >< at > -1,5 +1,9 < at >< at >
 post-v1.7.0
 ------------------------
+    - OpenFlow:
+      - Allow general bitwise masking for IPv4 source and destination
+        addresses in IPv4 and ARP packets.  (Previously, only CIDR masks
+        were allowed.)
 
 
 v1.7.0 - xx xxx xxxx
diff --git a/include/openflow/nicira-ext.h b/include/openflow/nicira-ext.h
index d2a3535..6e994

[worker 00/12] Implement "worker process" to avoidblocking flow setup

Ben Pfaff — 2012-05-23T00:19:03

ovs-vswitchd occasionally needs to do some activities that may block
in the kernel unavoidably.  This patch series changes ovs-vswitchd to
do these activities in a separate "worker process".

Ben Pfaff (12):
  socket-util: Remove 'passcred' parameter from make_unix_socket().
  socket-util: New function xset_nonblocking().
  socket-util: Add functions for sending fds over Unix domain sockets.
  util: Introduce "subprogram_name" to identify subprocesses and
    threads.
  daemon: Factor out code into new function
    fork_and_wait_for_startup().
  daemon: Factor out code into new function daemonize_post_detach().
  vlog: Add VLOG_ABORT() to log and call abort().
  worker: New library for breaking a daemon into multiple processes.
  vlog: Use system calls instead of stdio to write log files.
  vlog: Use worker process to write to log file.
  shash: New functions smap_from_json(), smap_to_json().
  system-stats: Run as part of worker process.

 NEWS                        |    4 +-
 include/sparse/sys/socket.h |

[PATCH] ofproto-dpif-governor: Fix bug in log message.

Ben Pfaff — 2012-05-22T18:39:33

Signed-off-by: Ben Pfaff <blp-l0M0P4e3n4LQT0dZR+AlfA< at >public.gmane.org>
---
 ofproto/ofproto-dpif-governor.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/ofproto/ofproto-dpif-governor.c b/ofproto/ofproto-dpif-governor.c
index 7e3ecfa..817186a 100644
--- a/ofproto/ofproto-dpif-governor.c
+++ b/ofproto/ofproto-dpif-governor.c
< at >< at > -162,7 +162,7 < at >< at > governor_new_generation(struct governor *g, unsigned int size)
     if (g->size != size) {
         if (!g->size) {
             VLOG_INFO("%s: engaging governor with %u kB hash table",
-                      g->name, g->size / 1024);
+                      g->name, size / 1024);
         } else {
             VLOG_INFO("%s: processed %u packets in %.2f s, "
                       "%s hash table to %u kB",