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/*
* Copyright (c) 2016 George V. Neville-Neil
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
* Translators and flags for the mbuf structure. FreeBSD specific code.
*/
#pragma D depends_on module kernel
/*
* mbuf flags of global significance and layer crossing.
* Those of only protocol/layer specific significance are to be mapped
* to M_PROTO[1-12] and cleared at layer handoff boundaries.
* NB: Limited to the lower 24 bits.
*/
#pragma D binding "1.6.3" M_EXT
inline int M_EXT = 0x00000001; /* has associated external storage */
#pragma D binding "1.6.3" M_PKTHDR
inline int M_PKTHDR = 0x00000002; /* start of record */
#pragma D binding "1.6.3" M_EOR
inline int M_EOR = 0x00000004; /* end of record */
#pragma D binding "1.6.3" M_RDONLY
inline int M_RDONLY = 0x00000008; /* associated data is marked read-only */
#pragma D binding "1.6.3" M_BCAST
inline int M_BCAST = 0x00000010; /* send/received as link-level broadcast */
#pragma D binding "1.6.3" M_MCAST
inline int M_MCAST = 0x00000020; /* send/received as link-level multicast */
#pragma D binding "1.6.3" M_PROMISC
inline int M_PROMISC = 0x00000040; /* packet was not for us */
#pragma D binding "1.6.3" M_VLANTAG
inline int M_VLANTAG = 0x00000080; /* ether_vtag is valid */
#pragma D binding "1.13" M_EXTPG
inline int M_EXTPG = 0x00000100; /* has array of unmapped pages and TLS */
#pragma D binding "1.6.3" M_NOFREE
inline int M_NOFREE = 0x00000200; /* do not free mbuf, embedded in cluster */
#pragma D binding "1.13" M_TSTMP
inline int M_TSTMP = 0x00000400; /* rcv_tstmp field is valid */
#pragma D binding "1.13" M_TSTMP_HPREC
inline int M_TSTMP_HPREC = 0x00000800; /* rcv_tstmp is high-prec */
#pragma D binding "1.13" M_TSTMP_LRO
inline int M_TSTMP_LRO = 0x00001000; /* Time LRO pushed in pkt is valid */
#pragma D binding "1.13" M_PROTO1
inline int M_PROTO1 = 0x00002000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO2
inline int M_PROTO2 = 0x00004000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO3
inline int M_PROTO3 = 0x00008000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO4
inline int M_PROTO4 = 0x00010000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO5
inline int M_PROTO5 = 0x00020000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO6
inline int M_PROTO6 = 0x00040000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO7
inline int M_PROTO7 = 0x00080000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO8
inline int M_PROTO8 = 0x00100000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO9
inline int M_PROTO9 = 0x00200000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO10
inline int M_PROTO10 = 0x00400000; /* protocol-specific */
#pragma D binding "1.13" M_PROTO11
inline int M_PROTO11 = 0x00800000; /* protocol-specific */
#pragma D binding "1.13" mbufflags_string
inline string mbufflags_string[uint32_t flags] =
flags & M_EXT ? "M_EXT" :
flags & M_PKTHDR ? "M_PKTHDR" :
flags & M_EOR ? "M_EOR" :
flags & M_RDONLY ? "M_RDONLY" :
flags & M_BCAST ? "M_BCAST" :
flags & M_MCAST ? "M_MCAST" :
flags & M_PROMISC ? "M_PROMISC" :
flags & M_VLANTAG ? "M_VLANTAG" :
flags & M_EXTPG ? "M_EXTPG" :
flags & M_NOFREE ? "M_NOFREE" :
flags & M_TSTMP ? "M_TSTMP" :
flags & M_TSTMP_HPREC ? "M_TSTMP_HPREC" :
flags & M_TSTMP_LRO ? "M_TSTMP_LRO" :
flags & M_PROTO1 ? "M_PROTO1" :
flags & M_PROTO2 ? "M_PROTO2" :
flags & M_PROTO3 ? "M_PROTO3" :
flags & M_PROTO4 ? "M_PROTO4" :
flags & M_PROTO5 ? "M_PROTO5" :
flags & M_PROTO6 ? "M_PROTO6" :
flags & M_PROTO7 ? "M_PROTO7" :
flags & M_PROTO8 ? "M_PROTO8" :
flags & M_PROTO9 ? "M_PROTO9" :
flags & M_PROTO10 ? "M_PROTO10" :
flags & M_PROTO11 ? "M_PROTO11" :
"none" ;
typedef struct mbufinfo {
uintptr_t mbuf_addr;
caddr_t m_data;
int32_t m_len;
uint8_t m_type;
uint32_t m_flags;
} mbufinfo_t;
translator mbufinfo_t < struct mbuf *p > {
mbuf_addr = (uintptr_t)p;
m_data = p->m_data;
m_len = p->m_len;
m_type = p->m_type & 0xff000000;
m_flags = p->m_type & 0x00ffffff;
};
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