[src/trunk]: src/sys bump PIPSIZ from 4 to 8K like FreeBSD and provide the sa...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8ce96f47dbc3
branches:  trunk
changeset: 322528:8ce96f47dbc3
user:      christos <christos%NetBSD.org@localhost>
date:      Sat May 05 19:58:08 2018 +0000

description:
bump PIPSIZ from 4 to 8K like FreeBSD and provide the same sysctls

diffstat:

 sys/kern/uipc_domain.c |   5 +++--
 sys/kern/uipc_usrreq.c |  49 ++++++++++++++++++++++++++++++++++++++++++++++---
 sys/sys/un.h           |   3 ++-
 3 files changed, 51 insertions(+), 6 deletions(-)

diffs (120 lines):

diff -r 7a37b1c0b91f -r 8ce96f47dbc3 sys/kern/uipc_domain.c
--- a/sys/kern/uipc_domain.c    Sat May 05 17:16:23 2018 +0000
+++ b/sys/kern/uipc_domain.c    Sat May 05 19:58:08 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uipc_domain.c,v 1.102 2018/02/28 09:44:25 mrg Exp $    */
+/*     $NetBSD: uipc_domain.c,v 1.103 2018/05/05 19:58:08 christos Exp $       */
 
 /*
  * Copyright (c) 1982, 1986, 1993
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_domain.c,v 1.102 2018/02/28 09:44:25 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_domain.c,v 1.103 2018/05/05 19:58:08 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/socket.h>
@@ -682,6 +682,7 @@
                       SYSCTL_DESCR("SOCK_DGRAM protocol control block list"),
                       sysctl_unpcblist, 0, NULL, 0,
                       CTL_NET, PF_LOCAL, SOCK_DGRAM, CTL_CREATE, CTL_EOL);
+       unp_sysctl_create(&domain_sysctllog);
 }
 
 void
diff -r 7a37b1c0b91f -r 8ce96f47dbc3 sys/kern/uipc_usrreq.c
--- a/sys/kern/uipc_usrreq.c    Sat May 05 17:16:23 2018 +0000
+++ b/sys/kern/uipc_usrreq.c    Sat May 05 19:58:08 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uipc_usrreq.c,v 1.184 2018/03/19 16:26:26 roy Exp $    */
+/*     $NetBSD: uipc_usrreq.c,v 1.185 2018/05/05 19:58:08 christos Exp $       */
 
 /*-
  * Copyright (c) 1998, 2000, 2004, 2008, 2009 The NetBSD Foundation, Inc.
@@ -96,7 +96,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq.c,v 1.184 2018/03/19 16:26:26 roy Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_usrreq.c,v 1.185 2018/05/05 19:58:08 christos Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -674,7 +674,9 @@
  * and don't really want to reserve the sendspace.  Their recvspace should
  * be large enough for at least one max-size datagram plus address.
  */
-#define        PIPSIZ  4096
+#ifndef PIPSIZ
+#define        PIPSIZ  8192
+#endif
 u_long unpst_sendspace = PIPSIZ;
 u_long unpst_recvspace = PIPSIZ;
 u_long unpdg_sendspace = 2*1024;       /* really max datagram size */
@@ -1965,6 +1967,47 @@
        mutex_exit(&filelist_lock);
 }
 
+void
+unp_sysctl_create(struct sysctllog **clog)
+{
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
+                      CTLTYPE_LONG, "sendspace",
+                      SYSCTL_DESCR("Default stream send space"),
+                      NULL, 0, &unpst_sendspace, 0,
+                      CTL_NET, PF_LOCAL, SOCK_STREAM, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
+                      CTLTYPE_LONG, "recvspace",
+                      SYSCTL_DESCR("Default stream recv space"),
+                      NULL, 0, &unpst_recvspace, 0,
+                      CTL_NET, PF_LOCAL, SOCK_STREAM, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
+                      CTLTYPE_LONG, "sendspace",
+                      SYSCTL_DESCR("Default datagram send space"),
+                      NULL, 0, &unpdg_sendspace, 0,
+                      CTL_NET, PF_LOCAL, SOCK_DGRAM, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
+                      CTLTYPE_LONG, "recvspace",
+                      SYSCTL_DESCR("Default datagram recv space"),
+                      NULL, 0, &unpdg_recvspace, 0,
+                      CTL_NET, PF_LOCAL, SOCK_DGRAM, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_READONLY,
+                      CTLTYPE_INT, "inflight",
+                      SYSCTL_DESCR("File descriptors in flight"),
+                      NULL, 0, &unp_rights, 0,
+                      CTL_NET, PF_LOCAL, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                      CTLFLAG_PERMANENT|CTLFLAG_READONLY,
+                      CTLTYPE_INT, "deferred",
+                      SYSCTL_DESCR("File descriptors deferred for close"),
+                      NULL, 0, &unp_defer, 0,
+                      CTL_NET, PF_LOCAL, CTL_CREATE, CTL_EOL);
+}
+
 const struct pr_usrreqs unp_usrreqs = {
        .pr_attach      = unp_attach,
        .pr_detach      = unp_detach,
diff -r 7a37b1c0b91f -r 8ce96f47dbc3 sys/sys/un.h
--- a/sys/sys/un.h      Sat May 05 17:16:23 2018 +0000
+++ b/sys/sys/un.h      Sat May 05 19:58:08 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: un.h,v 1.57 2016/04/06 19:45:46 roy Exp $      */
+/*     $NetBSD: un.h,v 1.58 2018/05/05 19:58:08 christos Exp $ */
 
 /*
  * Copyright (c) 1982, 1986, 1993
@@ -90,6 +90,7 @@
 int    unp_connect2(struct socket *, struct socket *);
 void   unp_dispose(struct mbuf *);
 int    unp_externalize(struct mbuf *, struct lwp *, int);
+void   unp_sysctl_create(struct sysctllog **);
 
 #else /* !_KERNEL */