[src/trunk]: src/sys/dev/pci Added control debugging output via sysctl.

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

details:   https://anonhg.NetBSD.org/src/rev/48312e5e7456
branches:  trunk
changeset: 337817:48312e5e7456
user:      nonaka <nonaka%NetBSD.org@localhost>
date:      Wed Apr 29 03:35:09 2015 +0000

description:
Added control debugging output via sysctl.

diffstat:

 sys/dev/pci/if_iwm.c |  33 ++++++++++++++++++++++++++++++---
 1 files changed, 30 insertions(+), 3 deletions(-)

diffs (65 lines):

diff -r 588df607933a -r 48312e5e7456 sys/dev/pci/if_iwm.c
--- a/sys/dev/pci/if_iwm.c      Wed Apr 29 03:27:27 2015 +0000
+++ b/sys/dev/pci/if_iwm.c      Wed Apr 29 03:35:09 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_iwm.c,v 1.31 2015/04/28 15:38:02 nonaka Exp $       */
+/*     $NetBSD: if_iwm.c,v 1.32 2015/04/29 03:35:09 nonaka Exp $       */
 /*     OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp    */
 
 /*
@@ -105,7 +105,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_iwm.c,v 1.31 2015/04/28 15:38:02 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_iwm.c,v 1.32 2015/04/29 03:35:09 nonaka Exp $");
 
 #include <sys/param.h>
 #include <sys/conf.h>
@@ -116,6 +116,7 @@
 #include <sys/proc.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
+#include <sys/sysctl.h>
 #include <sys/systm.h>
 
 #include <sys/cpu.h>
@@ -154,7 +155,7 @@
 #ifdef IWM_DEBUG
 #define DPRINTF(x)     do { if (iwm_debug > 0) printf x; } while (0)
 #define DPRINTFN(n, x) do { if (iwm_debug >= (n)) printf x; } while (0)
-int iwm_debug = 1;
+int iwm_debug = 0;
 #else
 #define DPRINTF(x)     do { ; } while (0)
 #define DPRINTFN(n, x) do { ; } while (0)
@@ -6910,3 +6911,29 @@
 
 CFATTACH_DECL_NEW(iwm, sizeof(struct iwm_softc), iwm_match, iwm_attach,
        NULL, NULL);
+
+#ifdef IWM_DEBUG
+SYSCTL_SETUP(sysctl_iwm, "sysctl iwm(4) subtree setup")
+{
+       const struct sysctlnode *rnode, *cnode;
+       int rc;
+
+       if ((rc = sysctl_createv(clog, 0, NULL, &rnode,
+           CTLFLAG_PERMANENT, CTLTYPE_NODE, "iwm",
+           SYSCTL_DESCR("iwm global controls"),
+           NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0)
+               goto err;
+
+       /* control debugging printfs */
+       if ((rc = sysctl_createv(clog, 0, &rnode, &cnode,
+           CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT,
+           "debug", SYSCTL_DESCR("Enable debugging output"),
+           NULL, 0, &iwm_debug, 0, CTL_CREATE, CTL_EOL)) != 0)
+               goto err;
+
+       return;
+
+ err:
+       aprint_error("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
+}
+#endif /* IWM_DEBUG */