[B.A.T.M.A.N.] [PATCHv3 1/2] batctl: adding multicast debug level

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

This patch adds the multicast debug level to check for own
multicast flag changes for instance.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
---

Changes in v3:
* none

Changes in v2:
* added a sentence about 'mcast' log level to manpage

 README       |    1 +
 man/batctl.8 |    6 +++---
 sys.c        |    5 +++++
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/README b/README
index b5fd259..c5e3575 100644
--- a/README
+++ b/README
@@ -389,6 +389,7 @@ $  batctl loglevel
 [ ] messages related to bridge loop avoidance (bla)
 [ ] messages related to arp snooping and distributed arp table (dat)
 [ ] messages related to network coding (nc)
+[ ] messages related to multicast (mcast)
 
 batctl nc_nodes
 ===============
diff --git a/man/batctl.8 b/man/batctl.8
index 110020e..66c28bb 100644
--- a/man/batctl.8
+++ b/man/batctl.8
@@ -98,9 +98,9 @@ level. Level 'none' disables all verbose logging. Level 'batman' enables message
 Level 'routes' enables messages related to routes being added / changed / deleted. Level 'tt' enables messages related to
 translation table operations. Level 'bla' enables messages related to the bridge loop avoidance. Level 'dat' enables
 messages related to ARP snooping and the Distributed Arp Table. Level 'nc' enables messages related to network coding.
-Level 'all' enables all messages. The messages are sent to the batman-adv debug log. Use \fBbatctl log\fP to retrieve it.
-Make sure to have debugging output enabled when compiling the module otherwise the output as well as the loglevel options
-won't be available.
+Level 'mcast' enables messages related to multicast optimizations. Level 'all' enables all messages. The messages
+are sent to the batman-adv debug log. Use \fBbatctl log\fP to retrieve it. Make sure to have debugging output enabled
+when compiling the module otherwise the output as well as the loglevel options won't be available.
 .br
 .IP "\fBlog\fP|\fBl\fP [\fB\-n\fP]\fP"
 batctl will read the batman-adv debug log which has to be compiled into the kernel module. If "\-n" is given batctl will not
diff --git a/sys.c b/sys.c
index 676bef1..4fa0e24 100644
--- a/sys.c
+++ b/sys.c
@@ -280,6 +280,7 @@ static void log_level_usage(void)
 	fprintf(stderr, " \t bla     Messages related to bridge loop avoidance\n");
 	fprintf(stderr, " \t dat     Messages related to arp snooping and distributed arp table\n");
 	fprintf(stderr, " \t nc      Messages related to network coding\n");
+	fprintf(stderr, " \t mcast   Messages related to multicast\n");
 }
 
 int handle_loglevel(char *mesh_iface, int argc, char **argv)
@@ -325,6 +326,8 @@ int handle_loglevel(char *mesh_iface, int argc, char **argv)
 				log_level |= BIT(4);
 			else if (strcmp(argv[i], "nc") == 0)
 				log_level |= BIT(5);
+			else if (strcmp(argv[i], "mcast") == 0)
+				log_level |= BIT(6);
 			else {
 				log_level_usage();
 				goto out;
@@ -359,6 +362,8 @@ int handle_loglevel(char *mesh_iface, int argc, char **argv)
 	       "messages related to arp snooping and distributed arp table", "dat");
 	printf("[%c] %s (%s)\n", (log_level & BIT(5)) ? 'x' : ' ',
 	       "messages related to network coding", "nc");
+	printf("[%c] %s (%s)\n", (log_level & BIT(6)) ? 'x' : ' ',
+	       "messages related to multicast", "mcast");
 
 out:
 	free(path_buff);
-- 
1.7.10.4