2 * Copyright (c) 2016 George V. Neville-Neil
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Translators and flags for the mbuf structure. FreeBSD specific code.
31 #pragma D depends_on module kernel
34 * mbuf flags of global significance and layer crossing.
35 * Those of only protocol/layer specific significance are to be mapped
36 * to M_PROTO[1-12] and cleared at layer handoff boundaries.
37 * NB: Limited to the lower 24 bits.
40 #pragma D binding "1.6.3" M_EXT
41 inline int M_EXT = 0x00000001; /* has associated external storage */
42 #pragma D binding "1.6.3" M_PKTHDR
43 inline int M_PKTHDR = 0x00000002; /* start of record */
44 #pragma D binding "1.6.3" M_EOR
45 inline int M_EOR = 0x00000004; /* end of record */
46 #pragma D binding "1.6.3" M_RDONLY
47 inline int M_RDONLY = 0x00000008; /* associated data is marked read-only */
48 #pragma D binding "1.6.3" M_BCAST
49 inline int M_BCAST = 0x00000010; /* send/received as link-level broadcast */
50 #pragma D binding "1.6.3" M_MCAST
51 inline int M_MCAST = 0x00000020; /* send/received as link-level multicast */
52 #pragma D binding "1.6.3" M_PROMISC
53 inline int M_PROMISC = 0x00000040; /* packet was not for us */
54 #pragma D binding "1.6.3" M_VLANTAG
55 inline int M_VLANTAG = 0x00000080; /* ether_vtag is valid */
56 #pragma D binding "1.13" M_EXTPG
57 inline int M_EXTPG = 0x00000100; /* has array of unmapped pages and TLS */
58 #pragma D binding "1.6.3" M_NOFREE
59 inline int M_NOFREE = 0x00000200; /* do not free mbuf, embedded in cluster */
60 #pragma D binding "1.13" M_TSTMP
61 inline int M_TSTMP = 0x00000400; /* rcv_tstmp field is valid */
62 #pragma D binding "1.13" M_TSTMP_HPREC
63 inline int M_TSTMP_HPREC = 0x00000800; /* rcv_tstmp is high-prec */
64 #pragma D binding "1.13" M_TSTMP_LRO
65 inline int M_TSTMP_LRO = 0x00001000; /* Time LRO pushed in pkt is valid */
67 #pragma D binding "1.13" M_PROTO1
68 inline int M_PROTO1 = 0x00002000; /* protocol-specific */
69 #pragma D binding "1.13" M_PROTO2
70 inline int M_PROTO2 = 0x00004000; /* protocol-specific */
71 #pragma D binding "1.13" M_PROTO3
72 inline int M_PROTO3 = 0x00008000; /* protocol-specific */
73 #pragma D binding "1.13" M_PROTO4
74 inline int M_PROTO4 = 0x00010000; /* protocol-specific */
75 #pragma D binding "1.13" M_PROTO5
76 inline int M_PROTO5 = 0x00020000; /* protocol-specific */
77 #pragma D binding "1.13" M_PROTO6
78 inline int M_PROTO6 = 0x00040000; /* protocol-specific */
79 #pragma D binding "1.13" M_PROTO7
80 inline int M_PROTO7 = 0x00080000; /* protocol-specific */
81 #pragma D binding "1.13" M_PROTO8
82 inline int M_PROTO8 = 0x00100000; /* protocol-specific */
83 #pragma D binding "1.13" M_PROTO9
84 inline int M_PROTO9 = 0x00200000; /* protocol-specific */
85 #pragma D binding "1.13" M_PROTO10
86 inline int M_PROTO10 = 0x00400000; /* protocol-specific */
87 #pragma D binding "1.13" M_PROTO11
88 inline int M_PROTO11 = 0x00800000; /* protocol-specific */
90 #pragma D binding "1.13" mbufflags_string
91 inline string mbufflags_string[uint32_t flags] =
92 flags & M_EXT ? "M_EXT" :
93 flags & M_PKTHDR ? "M_PKTHDR" :
94 flags & M_EOR ? "M_EOR" :
95 flags & M_RDONLY ? "M_RDONLY" :
96 flags & M_BCAST ? "M_BCAST" :
97 flags & M_MCAST ? "M_MCAST" :
98 flags & M_PROMISC ? "M_PROMISC" :
99 flags & M_VLANTAG ? "M_VLANTAG" :
100 flags & M_EXTPG ? "M_EXTPG" :
101 flags & M_NOFREE ? "M_NOFREE" :
102 flags & M_TSTMP ? "M_TSTMP" :
103 flags & M_TSTMP_HPREC ? "M_TSTMP_HPREC" :
104 flags & M_TSTMP_LRO ? "M_TSTMP_LRO" :
105 flags & M_PROTO1 ? "M_PROTO1" :
106 flags & M_PROTO2 ? "M_PROTO2" :
107 flags & M_PROTO3 ? "M_PROTO3" :
108 flags & M_PROTO4 ? "M_PROTO4" :
109 flags & M_PROTO5 ? "M_PROTO5" :
110 flags & M_PROTO6 ? "M_PROTO6" :
111 flags & M_PROTO7 ? "M_PROTO7" :
112 flags & M_PROTO8 ? "M_PROTO8" :
113 flags & M_PROTO9 ? "M_PROTO9" :
114 flags & M_PROTO10 ? "M_PROTO10" :
115 flags & M_PROTO11 ? "M_PROTO11" :
118 typedef struct mbufinfo {
126 translator mbufinfo_t < struct mbuf *p > {
127 mbuf_addr = (uintptr_t)p;
130 m_type = p->m_type & 0xff000000;
131 m_flags = p->m_type & 0x00ffffff;