From da364171714e283d7d17873aeb34a4e2b848654b Mon Sep 17 00:00:00 2001 From: bms Date: Wed, 4 Mar 2009 02:55:04 +0000 Subject: [PATCH] Overlay a uint16_t field suitable for use by the IGMPv3 code. It is used to maintain the number of group records contained in a pending IGMPv3 output mbuf chain. --- sys/sys/mbuf.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h index 4d7e641a88fb..05b28de2c41d 100644 --- a/sys/sys/mbuf.h +++ b/sys/sys/mbuf.h @@ -122,9 +122,13 @@ struct pkthdr { int csum_flags; /* flags regarding checksum */ int csum_data; /* data field used by csum routines */ u_int16_t tso_segsz; /* TSO segment size */ - u_int16_t ether_vtag; /* Ethernet 802.1p+q vlan tag */ + union { + u_int16_t vt_vtag; /* Ethernet 802.1p+q vlan tag */ + u_int16_t vt_nrecs; /* # of IGMPv3 records in this chain */ + } PH_vt; SLIST_HEAD(packet_tags, m_tag) tags; /* list of packet tags */ }; +#define ether_vtag PH_vt.vt_vtag /* * Description of external storage mapped into mbuf; valid only if M_EXT is