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nwfilter: Increase buffer size for libpcap

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Libpcap 1.5 requires a larger buffer than previous pcap versions.
Adjust the size of the buffer to 128kb.

This patch should address symptoms in BZ 1071181 and BZ 731059

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Stefan Berger 2014-03-03 15:13:50 -05:00 committed by Stefan Berger
parent 64df4c7518
commit 49b59a151f
1 changed files with 5 additions and 1 deletions
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6
src/nwfilter/nwfilter_dhcpsnoop.c
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@ -250,7 +250,11 @@ struct _virNWFilterDHCPDecodeJob {
# define DHCP_PKT_BURST 50 /* pkts/sec */
# define DHCP_BURST_INTERVAL_S 10 /* sec */
# define PCAP_BUFFERSIZE (DHCP_PKT_BURST * PCAP_PBUFSIZE / 2)
/*
* libpcap 1.5 requires a 128kb buffer
* 128 kb is bigger than (DHCP_PKT_BURST * PCAP_PBUFSIZE / 2)
*/
# define PCAP_BUFFERSIZE (128 * 1024)
# define MAX_QUEUED_JOBS (DHCP_PKT_BURST + 2 * DHCP_PKT_RATE)