18301028 ptpd in {kernel, native} Zone may conflict with hw mode ptpd in global zone

Following patch prevents ptpd from running in a zone.

diff -ur ptpd-2.2.0/src/Makefile /builds/pjalan/ptp-userland/components/ptp/ptpd-2.2.0/src/Makefile

--- ptpd-2.2.0/src/Makefile	Fri Mar  7 10:29:54 2014

+++ /builds/pjalan/ptp-userland/components/ptp/ptpd-2.2.0/src/Makefile	Fri Mar  7 10:41:20 2014

@@ -46,7 +46,7 @@

 #CFLAGS += -DPTP_EXPERIMENTAL

 LDFLAGS+= -lm -lrt

-LDFLAGS += -lnsl -lsocket -m64

+LDFLAGS += -lnsl -lsocket -lv12n -m64

 PROG = ptpd

 SRCS = ptpd.c arith.c bmc.c protocol.c display.c\

diff -ur ptpd-2.2.0/src/ptpd2.8 /builds/pjalan/ptp-userland/components/ptp/ptpd-2.2.0/src/ptpd2.8

--- ptpd-2.2.0/src/ptpd2.8	Fri Mar  7 11:11:33 2014

+++ /builds/pjalan/n2ptp-userland/components/ptp/ptpd-2.2.0/src/ptpd2.8	Fri Mar  7 11:04:51 2014

@@ -316,10 +316,7 @@

 generate upto 40 MB of data in a window of 24 hours and many

 times more if enabled with -P option.

 .P

-Solaris does not allow creation of a vnic on a network

-interface which is providing hardware assistance to ptpd.

-Vice versa, ptpd cannot get hardware assistance from an

-interfac which has pre-existing vnic(s).

+Solaris does not allow ptpd to run inside a zones(5).

 .SH SEE ALSO

 svcs(1), svcadm(1M), attributes(5), smf(5)

diff -ur ptpd-2.2.0/src/dep/startup.c /builds/pjalan/ptp-userland/components/ptp/ptpd-2.2.0/src/dep/startup.c

--- ptpd-2.2.0/src/dep/startup.c	Fri Mar  7 10:29:54 2014

+++ /builds/pjalan/ptp-userland/components/ptp/ptpd-2.2.0/src/dep/startup.c	Fri Mar  7 10:41:20 2014

@@ -1,5 +1,5 @@

 /*-

- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

+ * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

  * Copyright (c) 2011-2012 Solarflare Communications Inc

  * Copyright (c) 2009-2011 George V. Neville-Neil, Steven Kreuzer, 

  *                         Martin Burnicki, Gael Mace, Alexandre Van Kempen

@@ -40,6 +40,7 @@

  */

 #include "../ptpd.h"

+#include <libv12n.h>

 PtpClock *ptpClock;

@@ -615,8 +616,25 @@

 		);

 }

+Boolean

+is_zone(void) {

+	v12n_env_t *env;

+	Boolean       is_zone = FALSE;

+	char            *name;

+	if ((env = v12n_get_current_env()) == NULL)

+		return (is_zone);

+	name = v12n_get_env_prop(env, V12N_PROP_NAME);

+	if (name != NULL && strstr(name, "zone") != NULL) {

+		INFO("Inside %s\n", name);

+		is_zone = TRUE;

+	}

+	free(name);

+	v12n_free_env(env);

+	return (is_zone);

+}

+

 PtpClock *

 ptpdStartup(int argc, char **argv, Integer16 * ret, RunTimeOpts * rtOpts)

 {

@@ -632,6 +650,7 @@

   Boolean time_mode_specified = FALSE;

   TimeMode default_time_mode;

   Boolean use_hardware_assist = FALSE;

+  Boolean allow_inside_zone = FALSE;

   Boolean is_error;

   dump_command_line_parameters(argc, argv);

@@ -643,7 +662,7 @@

 #endif

 */

-   const char *getopt_string = "?HgGWb:cCf:ST:dDPR:xO:tM:a:w:u:ehzl:o:i:n:N:y:m:v:r:s:p:q:Y:BjLV:XZK";

+   const char *getopt_string = "?HgGWb:cCf:ST:dDPR:xO:tM:a:w:u:ehzl:o:i:n:N:y:m:v:r:s:p:q:Y:BjLV:XZKF";

   /* parse command line arguments */

   while ((c = getopt(argc, argv, getopt_string)) != -1) {

@@ -831,6 +850,10 @@

       rtOpts->verboseStats = TRUE;

       rtOpts->csvStats = TRUE;

       break;

+

+    case 'F':

+      allow_inside_zone = TRUE;

+      break;

     case 'P':

       rtOpts->displayPackets = TRUE;

       break;

@@ -1181,6 +1204,13 @@

       rtOpts->time_mode = default_time_mode;

     }

+   /* If insize a zone, fail to start unless forced */

+    if (is_zone() && !allow_inside_zone) {

+	    ERROR("Not allowed to run inside a zone\n");

+	    *ret = 4;

+	    return 0;

+    }

+

   ptpClock = (PtpClock *) calloc(1, sizeof(PtpClock));

   if (!ptpClock) {

     PERROR("failed to allocate memory for protocol engine data");