[Oisf-devel] [COMMIT] OISF branch, master, updated. suricata-1.4-38-g2f0927f

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- Log -----------------------------------------------------------------
commit 2f0927fe9b9d53714636ce8e25939f518fc8f702
Author: Eric Leblond <eric at regit.org>
Date:   Fri Feb 15 16:11:47 2013 +0100

    pcap: add snaplen YAML variable
    
    This patch introduces 'snaplen' a new YAML variable in the pcap section.
    It can be set per-interface to force pcap capture snaplen. If not set
    it defaults to interface MTU if MTU can be known via a ioctl call and to
    full capture if not.

commit e14a817fbd16dd1c447ed21a061853e956169c1e
Author: Eric Leblond <eric at regit.org>
Date:   Fri Dec 14 08:47:28 2012 +0100

    pfring: delete unused define.

commit 786cbb12442e8fd7aebdcc22c6c678364776c3e1
Author: Eric Leblond <eric at regit.org>
Date:   Thu Dec 13 16:49:37 2012 +0100

    log-pcap: don't limit snaplen.

commit e8aa66a44cd3eb222b0f5e1d6ed21af4918fda1b
Author: Eric Leblond <eric at regit.org>
Date:   Fri Feb 15 12:15:07 2013 +0100

    pcap: add 'promisc' YAML configuration variable
    
    This patch adds a promisc variable to pcap configuration. It is
    used to decided if interface is switched to promiscuous mode.

commit 1aaa828b63f8c4528f3632f52d8576761c9f0dc1
Author: Eric Leblond <eric at regit.org>
Date:   Fri Feb 15 12:10:25 2013 +0100

    pcap: set snaplen to MTU if available.
    
    Main objective of this patch is to use a dynamic snaplen to avoid
    to truncate packet at the currently fixed snaplen.
    
    It set snaplen to MTU length if the MTU can be retrieved. If not, it
    does not set the snaplen which results in using a 65535 snaplen.
    
    libpcap is trying to use mmaped capture and setup the ring by using buffer_size
    as the total memory. It also use "rounded" snaplen as frame size. So if we set
    snaplen to MTU when available we are optimal regarding the building of the ring.

-----------------------------------------------------------------------

Summary of changes:
 src/log-pcap.c      |    2 +-
 src/runmode-pcap.c  |   17 +++++++++++++++++
 src/source-pcap.c   |   29 ++++++++++++++++++++---------
 src/source-pcap.h   |    6 ++++--
 src/source-pfring.c |    1 -
 suricata.yaml.in    |   10 +++++++++-
 6 files changed, 51 insertions(+), 14 deletions(-)


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