Date: Tue, 3 Sep 2019 19:14:01 +0000 (UTC) From: Cy Schubert <cy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r351775 - in stable: 11/sys/contrib/ipfilter/netinet 12/sys/contrib/ipfilter/netinet Message-ID: <201909031914.x83JE1xZ051100@repo.freebsd.org>
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Author: cy Date: Tue Sep 3 19:14:00 2019 New Revision: 351775 URL: https://svnweb.freebsd.org/changeset/base/351775 Log: MFC r350882: Initialize the frentry (the control block that defines a rule) checksum to zero. Matching checksums save time and effort by mitigating the need for full rule compare. Modified: stable/11/sys/contrib/ipfilter/netinet/fil.c Directory Properties: stable/11/ (props changed) Changes in other areas also in this revision: Modified: stable/12/sys/contrib/ipfilter/netinet/fil.c Directory Properties: stable/12/ (props changed) Modified: stable/11/sys/contrib/ipfilter/netinet/fil.c ============================================================================== --- stable/11/sys/contrib/ipfilter/netinet/fil.c Tue Sep 3 18:58:48 2019 (r351774) +++ stable/11/sys/contrib/ipfilter/netinet/fil.c Tue Sep 3 19:14:00 2019 (r351775) @@ -4973,7 +4973,7 @@ frrequest(softc, unit, req, data, set, makecopy) * (this meaning no pointers are included). */ pp = (u_int *)(fp->fr_caddr + fp->fr_dsize); - for (p = (u_int *)fp->fr_data; p < pp; p++) + for (fp->fr_cksum = 0, p = (u_int *)fp->fr_data; p < pp; p++) fp->fr_cksum += *p; WRITE_ENTER(&softc->ipf_mutex);
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