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Bug 503521 - [LTC 6.0 FEAT] AF_IUCV SOCK_SEQPACKET support [201885]
Summary: [LTC 6.0 FEAT] AF_IUCV SOCK_SEQPACKET support [201885]
Keywords:
Status: CLOSED DUPLICATE of bug 498042
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.0
Hardware: s390x
OS: All
low
high
Target Milestone: rc
: ---
Assignee: Red Hat Kernel Manager
QA Contact: Martin Jenner
URL:
Whiteboard:
Depends On:
Blocks: 356741
TreeView+ depends on / blocked
 
Reported: 2009-06-01 14:50 UTC by IBM Bug Proxy
Modified: 2009-06-02 18:50 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2009-06-02 18:50:38 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
IBM Linux Technology Center 53694 0 None None None Never

Description IBM Bug Proxy 2009-06-01 14:50:36 UTC 
=Comment: #0=================================================
Emily J. Ratliff <ratliff.com> - 
1. Feature Overview:
Feature Id:	[201885]
a. Name of Feature:	AF_IUCV SOCK_SEQPACKET support
b. Feature Description
Offer AF_IUCV datagram stream-oriented sockets in addition to the existing AF_IUCV byte
stream-oriented sockets
 man 2 socket:
 SOCK_SEQPACKET  	Provides  a sequenced, reliable, two-way connection-based data transmission path
for datagrams of fixed maximum length; a consumer is required to read an entire packet with each
input system call.

2. Feature Details:
Sponsor:	zSeries
Architectures:
s390x

Arch Specificity: Purely Arch Specific Code
Affects Kernel Modules: Yes
Delivery Mechanism: Backport
Category:	Networking
Request Type:	Kernel - Enhancement from IBM
d. Upstream Acceptance:	In Progress
Sponsor Priority	1
f. Severity: High
IBM Confidential:	no
Code Contribution:	IBM code
g. Component Version Target:	2.6.31

3. Business Case
IUCV is an important z/VM communication facility. The Linux AF-IUCV protocol support facilitates
exploitation of IUCV-communication through a socket interface. Enhancing the existing byte
stream-oriented AF-IUCV protocol support in Linux (SOCK_STREAM) to support also fixed max. length
datagram-oriented sockets (SOCK_SEQPACKET) enables applications to benefit from Linux AF_IUCV
sockets, if their socket data to be transferred cannot be fragmented. One such future application in
z/VSE is already identified. In general, this feature improves the close collaboration between Linux
on System z and z/VM in the networking area.

4. Primary contact at Red Hat: 
John Jarvis
jjarvis

5. Primary contacts at Partner:
Project Management Contact:
Hans-Georg Markgraf, mgrf.com, Boeblingen 49-7031-16-3978

Technical contact(s):
Gonzalo Muelas Serrano, gmuelas.com

IBM Manager:
Thomas Schwarz, t.schwarz.com
Comment 1 IBM Bug Proxy 2009-06-02 15:31:10 UTC 
------- Comment From mgrf.com 2009-06-02 11:24 EDT-------
Hello Red Hat,

this is a duplicate request
to the existing RHEL 6 feature request:
LTC 52883 - RHBZ 498042  [LTC 6.0 FEAT] AF_IUCV SOCK_SEQPACKET support [201885]

So closing this one as a DUPlicate.

Thanks

*** This bug has been marked as a duplicate of bug 52883 ***
Comment 2 Bill Nottingham 2009-06-02 18:50:38 UTC 

*** This bug has been marked as a duplicate of bug 498042 ***
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