[1/2] batctl: tcpdump: Add support for MCASTv2 RTR(4|6) flags
Commit Message
The batman-adv commit 0a7733468f95 ("batman-adv: mcast: detect, distribute
and maintain multicast router presence") added support for two new flags
BATADV_MCAST_WANT_NO_RTR4 and BATADV_MCAST_WANT_NO_RTR6. These are
announced in IV_OGM and OGMv2.
batctl's tcpdump requires support for it to make debugging of
router-to-router multicast problems in networks easier.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
tcpdump.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
@@ -230,10 +230,12 @@ static void batctl_tvlv_parse_mcast_v2(void *buff, ssize_t buff_len)
flags = tvlv->flags;
- printf("\tTVLV MCASTv2: [%c%c%c]\n",
+ printf("\tTVLV MCASTv2: [%c%c%c%s%s]\n",
flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES ? 'U' : '.',
flags & BATADV_MCAST_WANT_ALL_IPV4 ? '4' : '.',
- flags & BATADV_MCAST_WANT_ALL_IPV6 ? '6' : '.');
+ flags & BATADV_MCAST_WANT_ALL_IPV6 ? '6' : '.',
+ !(flags & BATADV_MCAST_WANT_NO_RTR4) ? "R4" : ". ",
+ !(flags & BATADV_MCAST_WANT_NO_RTR6) ? "R6" : ". ");
}
typedef void (*batctl_tvlv_parser_t)(void *buff, ssize_t buff_len);