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o add M_PROTO[678]; they'll be needed by net80211 vap code

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o sort mbuf flags together and extend values to 32 bits
o write M_COPYFLAGS in terms of M_PROTOFLAGS
o move M_COPYFLAGS and M_PROTOFLAGS up to be together with flag defs

Reviewed by:	rwatson
MFC after:	3 weeks
This commit is contained in:
Sam Leffler 2008-03-24 19:01:29 +00:00
parent 5259569262
commit 3be798ba3a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=177566
1 changed files with 34 additions and 34 deletions
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68
sys/sys/mbuf.h
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@ -170,30 +170,43 @@ struct mbuf {
/*
* mbuf flags.
*/
#define M_EXT 0x0001 /* has associated external storage */
#define M_PKTHDR 0x0002 /* start of record */
#define M_EOR 0x0004 /* end of record */
#define M_RDONLY 0x0008 /* associated data is marked read-only */
#define M_PROTO1 0x0010 /* protocol-specific */
#define M_PROTO2 0x0020 /* protocol-specific */
#define M_PROTO3 0x0040 /* protocol-specific */
#define M_PROTO4 0x0080 /* protocol-specific */
#define M_PROTO5 0x0100 /* protocol-specific */
#define M_NOTIFICATION M_PROTO5/* SCTP notification */
#define M_SKIP_FIREWALL 0x4000 /* skip firewall processing */
#define M_FREELIST 0x8000 /* mbuf is on the free list */
#define M_EXT 0x00000001 /* has associated external storage */
#define M_PKTHDR 0x00000002 /* start of record */
#define M_EOR 0x00000004 /* end of record */
#define M_RDONLY 0x00000008 /* associated data is marked read-only */
#define M_PROTO1 0x00000010 /* protocol-specific */
#define M_PROTO2 0x00000020 /* protocol-specific */
#define M_PROTO3 0x00000040 /* protocol-specific */
#define M_PROTO4 0x00000080 /* protocol-specific */
#define M_PROTO5 0x00000100 /* protocol-specific */
#define M_BCAST 0x00000200 /* send/received as link-level broadcast */
#define M_MCAST 0x00000400 /* send/received as link-level multicast */
#define M_FRAG 0x00000800 /* packet is a fragment of a larger packet */
#define M_FIRSTFRAG 0x00001000 /* packet is first fragment */
#define M_LASTFRAG 0x00002000 /* packet is last fragment */
#define M_SKIP_FIREWALL 0x00004000 /* skip firewall processing */
#define M_FREELIST 0x00008000 /* mbuf is on the free list */
#define M_VLANTAG 0x00010000 /* ether_vtag is valid */
#define M_PROMISC 0x00020000 /* packet was not for us */
#define M_NOFREE 0x00040000 /* do not free mbuf, embedded in cluster */
#define M_PROTO6 0x00080000 /* protocol-specific */
#define M_PROTO7 0x00100000 /* protocol-specific */
#define M_PROTO8 0x00200000 /* protocol-specific */
#define M_NOTIFICATION M_PROTO5 /* SCTP notification */
/*
* mbuf pkthdr flags (also stored in m_flags).
* Flags to purge when crossing layers.
*/
#define M_BCAST 0x0200 /* send/received as link-level broadcast */
#define M_MCAST 0x0400 /* send/received as link-level multicast */
#define M_FRAG 0x0800 /* packet is a fragment of a larger packet */
#define M_FIRSTFRAG 0x1000 /* packet is first fragment */
#define M_LASTFRAG 0x2000 /* packet is last fragment */
#define M_VLANTAG 0x10000 /* ether_vtag is valid */
#define M_PROMISC 0x20000 /* packet was not for us */
#define M_NOFREE 0x40000 /* do not free mbuf - it is embedded in the cluster */
#define M_PROTOFLAGS \
(M_PROTO1|M_PROTO2|M_PROTO3|M_PROTO4|M_PROTO5|M_PROTO6|M_PROTO7|M_PROTO8)
/*
* Flags preserved when copying m_pkthdr.
*/
#define M_COPYFLAGS \
(M_PKTHDR|M_EOR|M_RDONLY|M_PROTOFLAGS|M_SKIP_FIREWALL|M_BCAST|M_MCAST|\
M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_VLANTAG|M_PROMISC)
/*
* External buffer types: identify ext_buf type.
@ -210,19 +223,6 @@ struct mbuf {
#define EXT_DISPOSABLE 300 /* can throw this buffer away w/page flipping */
#define EXT_EXTREF 400 /* has externally maintained ref_cnt ptr */
/*
* Flags copied when copying m_pkthdr.
*/
#define M_COPYFLAGS (M_PKTHDR|M_EOR|M_RDONLY|M_PROTO1|M_PROTO1|M_PROTO2|\
M_PROTO3|M_PROTO4|M_PROTO5|M_SKIP_FIREWALL|\
M_BCAST|M_MCAST|M_FRAG|M_FIRSTFRAG|M_LASTFRAG|\
M_VLANTAG|M_PROMISC)
/*
* Flags to purge when crossing layers.
*/
#define M_PROTOFLAGS (M_PROTO1|M_PROTO2|M_PROTO3|M_PROTO4|M_PROTO5)
/*
* Flags indicating hw checksum support and sw checksum requirements. This
* field can be directly tested against if_data.ifi_hwassist.