From owner-svn-src-all@freebsd.org Fri Nov 2 15:02:00 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 38FC810FA4AF; Fri, 2 Nov 2018 15:02:00 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E28216F76A; Fri, 2 Nov 2018 15:01:59 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C3887463A; Fri, 2 Nov 2018 15:01:59 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wA2F1xB3069904; Fri, 2 Nov 2018 15:01:59 GMT (envelope-from kp@FreeBSD.org) Received: (from kp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wA2F1xSU069903; Fri, 2 Nov 2018 15:01:59 GMT (envelope-from kp@FreeBSD.org) Message-Id: <201811021501.wA2F1xSU069903@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kp set sender to kp@FreeBSD.org using -f From: Kristof Provost Date: Fri, 2 Nov 2018 15:01:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340057 - head/sys/netpfil/pf X-SVN-Group: head X-SVN-Commit-Author: kp X-SVN-Commit-Paths: head/sys/netpfil/pf X-SVN-Commit-Revision: 340057 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Nov 2018 15:02:00 -0000 Author: kp Date: Fri Nov 2 15:01:59 2018 New Revision: 340057 URL: https://svnweb.freebsd.org/changeset/base/340057 Log: Revert "pf: Limit the maximum number of fragments per packet" This reverts commit r337969. We'll handle this the OpenBSD way, in upcoming commits. Modified: head/sys/netpfil/pf/pf_norm.c Modified: head/sys/netpfil/pf/pf_norm.c ============================================================================== --- head/sys/netpfil/pf/pf_norm.c Fri Nov 2 14:59:52 2018 (r340056) +++ head/sys/netpfil/pf/pf_norm.c Fri Nov 2 15:01:59 2018 (r340057) @@ -91,10 +91,8 @@ struct pf_fragment { TAILQ_ENTRY(pf_fragment) frag_next; uint32_t fr_timeout; uint16_t fr_maxlen; /* maximum length of single fragment */ - uint16_t fr_entries; /* Total number of pf_fragment entries */ TAILQ_HEAD(pf_fragq, pf_frent) fr_queue; }; -#define PF_MAX_FRENT_PER_FRAGMENT 64 struct pf_fragment_tag { uint16_t ft_hdrlen; /* header length of reassembled pkt */ @@ -386,7 +384,6 @@ pf_fillup_fragment(struct pf_fragment_cmp *key, struct *(struct pf_fragment_cmp *)frag = *key; frag->fr_timeout = time_uptime; frag->fr_maxlen = frent->fe_len; - frag->fr_entries = 0; TAILQ_INIT(&frag->fr_queue); RB_INSERT(pf_frag_tree, &V_pf_frag_tree, frag); @@ -398,9 +395,6 @@ pf_fillup_fragment(struct pf_fragment_cmp *key, struct return (frag); } - if (frag->fr_entries >= PF_MAX_FRENT_PER_FRAGMENT) - goto bad_fragment; - KASSERT(!TAILQ_EMPTY(&frag->fr_queue), ("!TAILQ_EMPTY()->fr_queue")); /* Remember maximum fragment len for refragmentation. */ @@ -472,8 +466,6 @@ pf_fillup_fragment(struct pf_fragment_cmp *key, struct TAILQ_INSERT_HEAD(&frag->fr_queue, frent, fr_next); else TAILQ_INSERT_AFTER(&frag->fr_queue, prev, frent, fr_next); - - frag->fr_entries++; return (frag);