Date: Sat, 20 Aug 2022 20:41:40 GMT From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 8338690a0a43 - main - ip_reass: provide sysctl MIB returning IP fragment TTL Message-ID: <202208202041.27KKfe9e061428@gitrepo.freebsd.org>
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The branch main has been updated by glebius: URL: https://cgit.FreeBSD.org/src/commit/?id=8338690a0a43c8b11a382e2160f8eedb9aeecf91 commit 8338690a0a43c8b11a382e2160f8eedb9aeecf91 Author: Gleb Smirnoff <glebius@FreeBSD.org> AuthorDate: 2022-08-20 20:33:39 +0000 Commit: Gleb Smirnoff <glebius@FreeBSD.org> CommitDate: 2022-08-20 20:39:12 +0000 ip_reass: provide sysctl MIB returning IP fragment TTL For now it is read-only, but eventually the cycle that goes over all fragments should be refactored and this MIB should also become read/write. This MIB will allow SNMP daemons to implement MIB-II ipReasmTimeout MIB straightfoward. Right now net-snmp compilation is broken by 1922eb3e9c2. The base system bsnmpd is not broken just because it ignored PR_SLOWTIMO, and thus always returned incorrectly doubled value for ipReasmTimeout. --- sys/netinet/ip_reass.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/netinet/ip_reass.c b/sys/netinet/ip_reass.c index 0420091e0a2a..e581e2e622c7 100644 --- a/sys/netinet/ip_reass.c +++ b/sys/netinet/ip_reass.c @@ -167,6 +167,10 @@ SYSCTL_PROC(_net_inet_ip, OID_AUTO, maxfragbucketsize, sysctl_maxfragbucketsize, "I", "Maximum number of IPv4 fragment reassembly queue entries per bucket"); +static u_int ipfragttl = IPFRAGTTL / 2; +SYSCTL_UINT(_net_inet_ip, OID_AUTO, fragttl, CTLFLAG_RD, &ipfragttl, + IPFRAGTTL / 2, "IP fragment life time on reassembly queue"); + /* * Take incoming datagram fragment and try to reassemble it into * whole datagram. If the argument is the first fragment or one
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