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Overlay a uint16_t field suitable for use by the

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IGMPv3 code. It is used to maintain the number of
group records contained in a pending IGMPv3 output
mbuf chain.
This commit is contained in:
Bruce M Simpson 2009-03-04 02:55:04 +00:00
parent 1e98b429fe
commit a96a4bbcf0
1 changed files with 5 additions and 1 deletions
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6
sys/sys/mbuf.h
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@ -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