[src/trunk]: src/sys/netinet rename arplog -> ARPLOG to make it clear that it...

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

details:   https://anonhg.NetBSD.org/src/rev/ff4045f839e1
branches:  trunk
changeset: 820938:ff4045f839e1
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Jan 16 15:14:16 2017 +0000

description:
rename arplog -> ARPLOG to make it clear that it is a macro and tuck-in the
buffer used for address formatting.

diffstat:

 sys/netinet/if_arp.c    |  23 ++++++++++-------------
 sys/netinet/in_var.h    |  13 +++++++++----
 sys/netinet/ip_output.c |   9 ++++-----
 3 files changed, 23 insertions(+), 22 deletions(-)

diffs (135 lines):

diff -r dea9660b4a69 -r ff4045f839e1 sys/netinet/if_arp.c
--- a/sys/netinet/if_arp.c      Mon Jan 16 12:54:25 2017 +0000
+++ b/sys/netinet/if_arp.c      Mon Jan 16 15:14:16 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_arp.c,v 1.234 2017/01/16 07:33:36 ryo Exp $ */
+/*     $NetBSD: if_arp.c,v 1.235 2017/01/16 15:14:16 christos Exp $    */
 
 /*-
  * Copyright (c) 1998, 2000, 2008 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_arp.c,v 1.234 2017/01/16 07:33:36 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_arp.c,v 1.235 2017/01/16 15:14:16 christos Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ddb.h"
@@ -689,10 +689,9 @@
 {
        struct in_ifaddr *ia = ifatoia(ifa);
        struct in_addr *ip = &IA_SIN(ifa)->sin_addr;
-       char ipbuf[INET_ADDRSTRLEN];
 
        if (ia->ia4_flags & (IN_IFF_NOTREADY | IN_IFF_DETACHED)) {
-               arplog(LOG_DEBUG, "%s not ready\n", in_fmtaddr(ipbuf, *ip));
+               ARPLOG(LOG_DEBUG, "%s not ready\n", ARPLOGADDR(*ip));
                return;
        }
        arprequest(ifp, ip, ip, enaddr);
@@ -1631,8 +1630,8 @@
        dp->dad_arp_acount = dp->dad_arp_ocount = dp->dad_arp_tcount = 0;
        TAILQ_INSERT_TAIL(&dadq, (struct dadq *)dp, dad_list);
 
-       arplog(LOG_DEBUG, "%s: starting DAD for %s\n", if_name(ifa->ifa_ifp),
-           in_fmtaddr(ipbuf, ia->ia_addr.sin_addr));
+       ARPLOG(LOG_DEBUG, "%s: starting DAD for %s\n", if_name(ifa->ifa_ifp),
+           ARPLOGADDR(ia->ia_addr.sin_addr));
 
        arp_dad_starttimer(dp, cprng_fast32() % (PROBE_WAIT * hz));
 
@@ -1706,7 +1705,7 @@
 
        /* timeouted with IFF_{RUNNING,UP} check */
        if (dp->dad_arp_tcount > dad_maxtry) {
-               arplog(LOG_INFO, "%s: could not run DAD, driver problem?\n",
+               ARPLOG(LOG_INFO, "%s: could not run DAD, driver problem?\n",
                    if_name(ifa->ifa_ifp));
 
                TAILQ_REMOVE(&dadq, dp, dad_list);
@@ -1739,10 +1738,9 @@
                 */
                ia->ia4_flags &= ~IN_IFF_TENTATIVE;
                rt_newaddrmsg(RTM_NEWADDR, ifa, 0, NULL);
-               arplog(LOG_DEBUG,
+               ARPLOG(LOG_DEBUG,
                    "%s: DAD complete for %s - no duplicates found\n",
-                   if_name(ifa->ifa_ifp),
-                   in_fmtaddr(ipbuf, ia->ia_addr.sin_addr));
+                   if_name(ifa->ifa_ifp), ARPLOGADDR(ia->ia_addr.sin_addr));
                dp->dad_arp_announce = ANNOUNCE_NUM;
                goto announce;
        } else if (dp->dad_arp_acount < dp->dad_arp_announce) {
@@ -1756,10 +1754,9 @@
                        arp_dad_starttimer(dp, ANNOUNCE_INTERVAL * hz);
                        goto done;
                }
-               arplog(LOG_DEBUG,
+               ARPLOG(LOG_DEBUG,
                    "%s: ARP announcement complete for %s\n",
-                   if_name(ifa->ifa_ifp),
-                   in_fmtaddr(ipbuf, ia->ia_addr.sin_addr));
+                   if_name(ifa->ifa_ifp), ARPLOGADDR(ia->ia_addr.sin_addr));
        }
 
        TAILQ_REMOVE(&dadq, dp, dad_list);
diff -r dea9660b4a69 -r ff4045f839e1 sys/netinet/in_var.h
--- a/sys/netinet/in_var.h      Mon Jan 16 12:54:25 2017 +0000
+++ b/sys/netinet/in_var.h      Mon Jan 16 15:14:16 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in_var.h,v 1.92 2017/01/16 07:33:36 ryo Exp $  */
+/*     $NetBSD: in_var.h,v 1.93 2017/01/16 15:14:16 christos Exp $     */
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -380,10 +380,15 @@
 extern int ip_dad_count;               /* Duplicate Address Detection probes */
 #if defined(INET) && NARP > 0
 extern int arp_debug;
-#define arplog(level, fmt, args...) \
-       do { if (arp_debug) log(level, "%s: " fmt, __func__, ##args);} while (0)
+#define ARPLOGADDR(a) in_fmtaddr(_ipbuf, a)
+#define ARPLOG(level, fmt, args...)                                    \
+       do {                                                            \
+               char _ipbuf[INET_ADDRSTRLEN] __used;                    \
+               if (arp_debug)                                          \
+                       log(level, "%s: " fmt, __func__, ##args);       \
+       } while (/*CONSTCOND*/0)
 #else
-#define arplog(level, fmt, args...)
+#define ARPLOG(level, fmt, args...)
 #endif
 
 /*
diff -r dea9660b4a69 -r ff4045f839e1 sys/netinet/ip_output.c
--- a/sys/netinet/ip_output.c   Mon Jan 16 12:54:25 2017 +0000
+++ b/sys/netinet/ip_output.c   Mon Jan 16 15:14:16 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip_output.c,v 1.268 2017/01/16 07:33:36 ryo Exp $      */
+/*     $NetBSD: ip_output.c,v 1.269 2017/01/16 15:14:16 christos Exp $ */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.268 2017/01/16 07:33:36 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_output.c,v 1.269 2017/01/16 15:14:16 christos Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -620,10 +620,9 @@
        if ((ia != NULL || (flags & IP_FORWARDING) == 0) &&
            (error = ip_ifaddrvalid(ia)) != 0)
        {
-               char ipbuf[INET_ADDRSTRLEN];
-               arplog(LOG_ERR,
+               ARPLOG(LOG_ERR,
                    "refusing to send from invalid address %s (pid %d)\n",
-                   in_fmtaddr(ipbuf, ip->ip_src), curproc->p_pid);
+                   ARPLOGADDR(ip->ip_src), curproc->p_pid);
                IP_STATINC(IP_STAT_ODROPPED);
                if (error == 1)
                        /*