On Tue, Jul 19, 2016 at 08:55:58PM +0200, Joerg Jung wrote: > Please, also document it, at least in sysctl(8).
like this? bluhm Index: lib/libc/gen/sysctl.3 =================================================================== RCS file: /data/mirror/openbsd/cvs/src/lib/libc/gen/sysctl.3,v retrieving revision 1.266 diff -u -p -r1.266 sysctl.3 --- lib/libc/gen/sysctl.3 14 Jul 2016 17:34:06 -0000 1.266 +++ lib/libc/gen/sysctl.3 19 Jul 2016 20:06:54 -0000 @@ -1189,6 +1189,7 @@ The currently defined protocols and name .It tcp Ta synbucketlimit Ta integer Ta yes .It tcp Ta syncachelimit Ta integer Ta yes .It tcp Ta synuselimit Ta integer Ta yes +.It tcp Ta synhashsize Ta integer Ta yes .It udp Ta baddynamic Ta array Ta yes .It udp Ta checksum Ta integer Ta yes .It udp Ta recvspace Ta integer Ta yes @@ -1619,7 +1620,11 @@ The maximum number of entries allowed pe The maximum number of entries allowed in the TCP SYN cache. .It Li tcp.synuselimit The minimum number of times the hash function for the TCP SYN cache is used -before it is reseeded. +before it gets reseeded. +.It Li tcp.synhashsize +The number of buckets in the TCP SYN cache hash array. +After the value is set, the actual size changes when the alternative +SYN cache gets empty and both SYN caches are swapped. .It Li udp.baddynamic Analogous to .Li tcp.baddynamic Index: sbin/sysctl/sysctl.8 =================================================================== RCS file: /data/mirror/openbsd/cvs/src/sbin/sysctl/sysctl.8,v retrieving revision 1.202 diff -u -p -r1.202 sysctl.8 --- sbin/sysctl/sysctl.8 5 Jul 2016 17:41:59 -0000 1.202 +++ sbin/sysctl/sysctl.8 19 Jul 2016 19:53:16 -0000 @@ -267,6 +267,7 @@ and a few require a kernel compiled with .It net.inet.tcp.syncachelimit Ta integer Ta yes .It net.inet.tcp.synbucketlimit Ta integer Ta yes .It net.inet.tcp.synuselimit Ta integer Ta yes +.It net.inet.tcp.synhashsize Ta integer Ta yes .It net.inet.tcp.rfc3390 Ta integer Ta yes .It net.inet.tcp.reasslimit Ta integer Ta yes .It net.inet.tcp.rootonly Ta array Ta yes
