Date: Tue, 21 Mar 2017 10:40:34 -0700 From: John Baldwin <jhb@freebsd.org> To: Gleb Smirnoff <glebius@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r315662 - in head: contrib/bsnmp/snmp_mibII contrib/ipfilter/ipsend lib/libprocstat sys/netinet sys/sys usr.bin/netstat usr.bin/sockstat usr.bin/systat usr.sbin/tcpdrop usr.sbin/trpt Message-ID: <1782817.djIc6TfI1t@ralph.baldwin.cx> In-Reply-To: <201703210639.v2L6dnRf055522@repo.freebsd.org> References: <201703210639.v2L6dnRf055522@repo.freebsd.org>
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On Tuesday, March 21, 2017 06:39:49 AM Gleb Smirnoff wrote: > Author: glebius > Date: Tue Mar 21 06:39:49 2017 > New Revision: 315662 > URL: https://svnweb.freebsd.org/changeset/base/315662 > > Log: > Hide struct inpcb, struct tcpcb from the userland. > > This is a painful change, but it is needed. On the one hand, we avoid > modifying them, and this slows down some ideas, on the other hand we still > eventually modify them and tools like netstat(1) never work on next version of > FreeBSD. We maintain a ton of spares in them, and we already got some ifdef > hell at the end of tcpcb. > > Details: > - Hide struct inpcb, struct tcpcb under _KERNEL || _WANT_FOO. > - Make struct xinpcb, struct xtcpcb pure API structures, not including > kernel structures inpcb and tcpcb inside. Export into these structures > the fields from inpcb and tcpcb that are known to be used, and put there > a ton of spare space. > - Make kernel and userland utilities compilable after these changes. > - Bump __FreeBSD_version. > > Reviewed by: rrs, gnn > Differential Revision: D10018 First, this is a very good change and long overdue in divorcing the user-facing structure for live system reporting vs the kernel structure. However, I realize you don't use info from netstat when debugging kernel crash dumps, but other people _do_. It's ok if the kvm bits of netstat require a matching kernel and thus require recompiling everytime the ABI changes, but it is useful to have them. Please restore those. -- John Baldwin
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