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authorCodarren Velvindron <codarren@hackers.mu>2018-04-15 20:37:50 +0400
committerDenys Vlasenko <vda.linux@googlemail.com>2018-06-24 20:03:55 +0200
commit7c43d431173a73617c079b7945b6629daaa7bca0 (patch)
tree0e48282dbc9b27dc52c3ba1abd25f3bbb5e36d2e
parente56e091d650494e4894d24e33ab2cdb7b57dc686 (diff)
downloadbusybox-7c43d431173a73617c079b7945b6629daaa7bca0.tar.gz
ntpd: deprecate IPTOS_LOWDELAY in favor of IPTOS_DSCP_AF21
Update QoS markers. Use DSCP AF21 for interactive traffic. DSCP is defined in RFC2474. Many modern equipment no longer support IPTOS. Signed-off-by: Codarren Velvindron <codarren@hackers.mu> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--networking/ntpd.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/networking/ntpd.c b/networking/ntpd.c
index 6cd497090..a1b8ac5b0 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -93,10 +93,10 @@
#include "libbb.h"
#include <math.h>
-#include <netinet/ip.h> /* For IPTOS_LOWDELAY definition */
+#include <netinet/ip.h> /* For IPTOS_DSCP_AF21 definition */
#include <sys/timex.h>
-#ifndef IPTOS_LOWDELAY
-# define IPTOS_LOWDELAY 0x10
+#ifndef IPTOS_DSCP_AF21
+# define IPTOS_DSCP_AF21 0x48
#endif
@@ -910,7 +910,7 @@ send_query_to_peer(peer_t *p)
#if ENABLE_FEATURE_IPV6
if (family == AF_INET)
#endif
- setsockopt_int(fd, IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY);
+ setsockopt_int(fd, IPPROTO_IP, IP_TOS, IPTOS_DSCP_AF21);
free(local_lsa);
}
@@ -2320,7 +2320,7 @@ static NOINLINE void ntp_init(char **argv)
xfunc_die();
}
socket_want_pktinfo(G_listen_fd);
- setsockopt_int(G_listen_fd, IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY);
+ setsockopt_int(G_listen_fd, IPPROTO_IP, IP_TOS, IPTOS_DSCP_AF21);
}
#endif
/* I hesitate to set -20 prio. -15 should be high enough for timekeeping */