On 6 May, Gleb Smirnoff wrote:
> Author: glebius
> Date: Tue May 6 00:00:07 2014
> New Revision: 265408
> URL: http://svnweb.freebsd.org/changeset/base/265408
>
> Log:
> - Remove net.inet.tcp.reass.overflows sysctl. It counts exactly
> same events that tcpstat's tcps_rcvmemdrop counter counts.
> - Rename tcps_rcvmemdrop to tcps_rcvreassfull and improve its
> description in netstat(1) output.
>
> Sponsored by: Netflix
> Sponsored by: Nginx, Inc.
>
> Modified:
> head/sys/netinet/tcp_reass.c
> head/sys/netinet/tcp_var.h
> head/usr.bin/netstat/inet.c
>
> Modified: head/sys/netinet/tcp_var.h
> ==============================================================================
> --- head/sys/netinet/tcp_var.h Mon May 5 23:54:13 2014
> (r265407)
> +++ head/sys/netinet/tcp_var.h Tue May 6 00:00:07 2014
> (r265408)
> @@ -426,7 +426,7 @@ struct tcpstat {
> uint64_t tcps_rcvbyte; /* bytes received in sequence */
> uint64_t tcps_rcvbadsum; /* packets received with ccksum errs */
> uint64_t tcps_rcvbadoff; /* packets received with bad offset */
> - uint64_t tcps_rcvmemdrop; /* packets dropped for lack of memory */
> + uint64_t tcps_rcvreassfull; /* packets dropped for no reass space */
> uint64_t tcps_rcvshort; /* packets received too short */
> uint64_t tcps_rcvduppack; /* duplicate-only packets received */
> uint64_t tcps_rcvdupbyte; /* duplicate-only bytes received */
This broke emulators/wine:
cc -c -I. -I. -I../../include -I../../include -D__WINESRC__ -D_REENTRANT
-fPIC -Wall -pipe -fno-strict-aliasing -Wdeclaration-after-statement
-Wempty-body -Wignored-qualifiers -Wstrict-prototypes -Wtype-limits
-Wwrite-strings -Wpointer-arith -fno-omit-frame-pointer -I/usr/local/include
-O2 -pipe -march=athlon64 -fno-strict-aliasing -o ipstats.o ipstats.c
ipstats.c:1109:92: error: no member named 'tcps_rcvmemdrop' in 'struct tcpstat';
did you mean 'tcps_listendrop'?
...+ tcp_stat.tcps_rcvbadoff + tcp_stat.tcps_rcvmemdrop +
tcp_stat.tcps_rcv...
^~~~~~~~~~~~~~~
I think this needs a __FreeBSD_version 1100020 and/or the addition
of a #define as a compatiblity crutch.
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