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E-71
Cisco Intrusion Prevention System CLI Sensor Configuration Guide for IPS 7.1
OL-19892-01
Appendix E Open Source License Files Used In Cisco IPS 7.1
kernel 2.6.29.1
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
USER ACKNOWLEDGES AND AGREES THAT USE OF THIS PROGRAM WILL NOT CREATE OR
GIVE GROUNDS FOR A LICENSE BY IMPLICATION, ESTOPPEL, OR OTHERWISE IN ANY
INTELLECTUAL PROPERTY RIGHTS (PATENT, COPYRIGHT, TRADE SECRET, MASK WORK,
OR OTHER PROPRIETARY RIGHT) EMBODIED IN ANY OTHER QLOGIC HARDWARE OR
SOFTWARE EITHER SOLELY OR IN COMBINATION WITH THIS PROGRAM.
GNU LIBRARY GENERAL PUBLIC LICENSE
nicstar.c v0.22 Jawaid Bazyar (bazyar@hypermall.com)
nicstar.c, M. Welsh (matt.welsh@cl.cam.ac.uk)
Hacked October, 1997 by Jawaid Bazyar, Interlink Advertising Services Inc.
http://www.hypermall.com/
10/1/97 - commented out CFG_PHYIE bit - we don’t care when the PHY interrupts us (except possibly
for removal/insertion of the cable?)
10/4/97 - began heavy inline documentation of the code. Corrected typos and spelling mistakes.
10/5/97 - added code to handle PHY interrupts, disable PHY on loss of link, and correctly re-enable PHY
when link is re-established. (put back CFG_PHYIE)
Modified to work with the IDT7721 nicstar -- AAL5 (tested) only.
R. D. Rechenmacher <ron@fnal.gov
Linux driver for the IDT77201 NICStAR PCI ATM controller.
PHY component is expected to be 155 Mbps S/UNI-Lite or IDT 77155; see init_nicstar() for PHY
initialization to change this. This driver expects the Linux ATM stack to support scatter-gather lists
(skb-Implementing minimal-copy of received data:
IDT always receives data into a small buffer, then large buffers as needed. This means that data must
always be copied to create the linear buffer needed by most non-ATM protocol stacks (e.g. IP)
Fix is simple: make large buffers large enough to hold entire SDU, and leave <small_buffer_data copy
small buffer contents to head of large buffer.
Trick is to avoid fragmenting Linux, due to need for a lot of large buffers. This is done by 2 things:
1) skb-combined, allow nicstar_free_rx_skb to be called to recycle large data buffers
2) skb_clone of received buffers
See nicstar_free_rx_skb and linearize_buffer for implementation details.
Copyright (c) 1996 University of Cambridge Computer Laboratory
This program is free software; you can redistribute it and/or modify it under the terms of the GNU
General Public License as published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.