babeld: babelz merge.
Babelz is the last version of the stand-alone babel daemon. In
particular, it use multiple channels to diminuate
interferences. Please refer to this one for more details.
diff --git a/babeld/net.c b/babeld/net.c
index eaed51d..5e0200b 100644
--- a/babeld/net.c
+++ b/babeld/net.c
@@ -58,6 +58,7 @@
int s, rc;
int saved_errno;
int one = 1, zero = 0;
+ const int ds = 0xc0; /* CS6 - Network Control */
s = socket(PF_INET6, SOCK_DGRAM, 0);
if(s < 0)
@@ -86,6 +87,15 @@
if(rc < 0)
goto fail;
+#ifdef IPV6_TCLASS
+ rc = setsockopt(s, IPPROTO_IPV6, IPV6_TCLASS, &ds, sizeof(ds));
+#else
+ rc = -1;
+ errno = ENOSYS;
+#endif
+ if(rc < 0)
+ perror("Couldn't set traffic class");
+
rc = fcntl(s, F_GETFL, 0);
if(rc < 0)
goto fail;