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authorRaimo Niskanen <[email protected]>2016-09-12 10:14:50 +0200
committerRaimo Niskanen <[email protected]>2016-09-12 14:54:34 +0200
commit82d673f8c9dd39cc78cb7567fe59ebda2b88bf2d (patch)
treeb7716e84fa59252eaeb7fc6df8a07a5539f5f6ec /erts/emulator
parentd657917bec8805efeec3cfe6a45edf462b2e73e5 (diff)
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Implement IPV6_TCLASS
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/drivers/common/inet_drv.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 254d3baeb1..14fb1fada6 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -777,6 +777,7 @@ static int is_nonzero(const char *s, size_t n)
#define INET_LOPT_NETNS 38 /* Network namespace pathname */
#define INET_LOPT_TCP_SHOW_ECONNRESET 39 /* tell user about incoming RST */
#define INET_LOPT_LINE_DELIM 40 /* Line delimiting char */
+#define INET_OPT_TCLASS 41 /* IPv6 transport class */
/* SCTP options: a separate range, from 100: */
#define SCTP_OPT_RTOINFO 100
#define SCTP_OPT_ASSOCINFO 101
@@ -1330,6 +1331,7 @@ static ErlDrvTermData am_reuseaddr;
static ErlDrvTermData am_dontroute;
static ErlDrvTermData am_priority;
static ErlDrvTermData am_tos;
+static ErlDrvTermData am_tclass;
static ErlDrvTermData am_ipv6_v6only;
static ErlDrvTermData am_netns;
#endif
@@ -3720,6 +3722,7 @@ static void inet_init_sctp(void) {
INIT_ATOM(dontroute);
INIT_ATOM(priority);
INIT_ATOM(tos);
+ INIT_ATOM(tclass);
INIT_ATOM(ipv6_v6only);
INIT_ATOM(netns);
@@ -6228,6 +6231,17 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
#else
continue;
#endif
+ case INET_OPT_TCLASS:
+#if defined(IPV6_TCLASS) && defined(SOL_IPV6)
+ proto = SOL_IPV6;
+ type = IPV6_TCLASS;
+ propagate = 1;
+ DEBUGF(("inet_set_opts(%ld): s=%d, IPV6_TCLASS=%d\r\n",
+ (long)desc->port, desc->s, ival));
+ break;
+#else
+ continue;
+#endif
case TCP_OPT_NODELAY:
proto = IPPROTO_TCP;
@@ -6661,6 +6675,21 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
continue; /* Option not supported -- ignore it */
# endif
+ case INET_OPT_TCLASS:
+# if defined(IPV6_TCLASS) && defined(SOL_IPV6)
+ {
+ arg.ival= get_int32 (curr); curr += 4;
+ proto = SOL_IPV6;
+ type = IPV6_TCLASS;
+ arg_ptr = (char*) (&arg.ival);
+ arg_sz = sizeof ( arg.ival);
+ break;
+ }
+# else
+ continue; /* Option not supported -- ignore it */
+# endif
+
+
case INET_OPT_IPV6_V6ONLY:
# if HAVE_DECL_IPV6_V6ONLY
{
@@ -7162,6 +7191,16 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
put_int32(0, ptr);
continue;
#endif
+ case INET_OPT_TCLASS:
+#if defined(IPV6_TCLASS) && defined(SOL_IPV6)
+ proto = SOL_IPV6;
+ type = IPV6_TCLASS;
+ break;
+#else
+ *ptr++ = opt;
+ put_int32(0, ptr);
+ continue;
+#endif
case INET_OPT_REUSEADDR:
type = SO_REUSEADDR;
break;
@@ -7556,6 +7595,7 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
case INET_OPT_DONTROUTE:
case INET_OPT_PRIORITY :
case INET_OPT_TOS :
+ case INET_OPT_TCLASS :
case INET_OPT_IPV6_V6ONLY:
case SCTP_OPT_AUTOCLOSE:
case SCTP_OPT_MAXSEG :
@@ -7629,6 +7669,19 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
continue;
# endif
}
+ case INET_OPT_TCLASS:
+ {
+# if defined(IPV6_TCLASS) && defined(SOL_IPV6)
+ proto = SOL_IPV6;
+ type = IPV6_TCLASS;
+ is_int = 1;
+ tag = am_tclass;
+ break;
+# else
+ /* Not supported -- ignore */
+ continue;
+# endif
+ }
case INET_OPT_IPV6_V6ONLY:
# if HAVE_DECL_IPV6_V6ONLY
{