[B.A.T.M.A.N.] [PATCHv3 1/2] batctl: add switch for setting multicast_mode

["Linus Lüssing" <linus.luessing@web.de>]

This patch adds a switch for the new multicast_mode setting in
batman-adv.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
---
v3: fix merge conflict
    (ordex was quicker with his isolation mark support patch :P)

 README       |    7 +++++++
 man/batctl.8 |    4 ++++
 sys.c        |    6 ++++++
 sys.h        |    1 +
 4 files changed, 18 insertions(+)

diff --git a/README b/README
index a4507b7..fe8eed9 100644
--- a/README
+++ b/README
@@ -392,6 +392,13 @@ Usage: batctl network_coding|nc [0|1]
 
 Note that network coding requires a working promiscuous mode on all interfaces.
 
+batctl multicast_mode
+=====================
+
+display or modify the multicast mode setting
+
+Usage: batctl multicast_mode|mm [0|1]
+
 batctl aggregation
 ==================
 
diff --git a/man/batctl.8 b/man/batctl.8
index b808293..f92bf3a 100644
--- a/man/batctl.8
+++ b/man/batctl.8
@@ -88,6 +88,10 @@ disable fragmentation.
 If no parameter is given the current network coding mode setting is displayed. Otherwise the parameter is used to enable or
 disable network coding.
 .br
+.IP "\fBmulticast_mode\fP|\fBmm\fP [\fB0\fP|\fB1\fP]"
+If no parameter is given the current multicast mode setting is displayed. Otherwise the parameter is used to enable or
+disable multicast optimizations (i.e. disabling means always sending own multicast frames via classic flooding).
+.br
 .IP "\fBloglevel\fP|\fBll\fP [\fBlevel\fP[ \fBlevel\fP[ \fBlevel\fP]] \fB...\fP]"
 If no parameter is given the current log level settings are displayed otherwise the parameter(s) is/are used to set the log
 level. Level 'none' disables all verbose logging. Level 'batman' enables messages related to routing / flooding / broadcasting.
diff --git a/sys.c b/sys.c
index fd6e107..d20696b 100644
--- a/sys.c
+++ b/sys.c
@@ -103,6 +103,12 @@ const struct settings_data batctl_settings[BATCTL_SETTINGS_NUM] = {
 		.sysfs_name = "isolation_mark",
 		.params = NULL,
 	},
+	{
+		.opt_long = "multicast_mode",
+		.opt_short = "mm",
+		.sysfs_name = "multicast_mode",
+		.params = sysfs_param_enable,
+	},
 };
 
 static void interface_usage(void)
diff --git a/sys.h b/sys.h
index 5633822..dd0bee5 100644
--- a/sys.h
+++ b/sys.h
@@ -47,6 +47,7 @@ enum batctl_settings_list {
 	BATCTL_SETTINGS_FRAGMENTATION,
 	BATCTL_SETTINGS_NETWORK_CODING,
 	BATCTL_SETTINGS_ISOLATION_MARK,
+	BATCTL_SETTINGS_MULTICAST_MODE,
 	BATCTL_SETTINGS_NUM,
 };
 
-- 
1.7.10.4