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/freebsd-src/contrib/libpcap/
H A Dpcap-savefile.manfile.in20 .TH PCAP-SAVEFILE @MAN_FILE_FORMATS@ "16 Aug 2023"
22 pcap-savefile \- libpcap savefile format
33 start with a per-file header. The format of the per-file header is:
40 Magic number
50 Link-layer header type and additional information
54 The per-file header length is 24 octets.
56 All fields in the per-file header are in the byte order of the host
57 writing the file. Normally, the first field in the per-fil
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H A Dsf-pcap.c21 * sf-pcap.c - libpcap-file-format-specific code from savefile.c
25 * Used to save the received packet headers, after filtering, to
33 #include <pcap-types.h>
46 #include "pcap-int.h"
47 #include "pcap-util.h"
49 #include "pcap-commo
158 pcap_check_header(const uint8_t * magic,FILE * fp,u_int precision,char * errbuf,int * err) pcap_check_header() argument
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H A Dsavefile.c21 * savefile.c - supports offline use of tcpdump
25 * Used to save the received packet headers, after filtering, to
33 #include <pcap-types.h>
46 #include "pcap-int.h"
49 #include "os-proto.h"
52 #include "sf-pcap.h"
53 #include "sf-pcapng.h"
54 #include "pcap-common.h"
67 * a HANDLE (which is OS-defined, not CRT-define
486 uint8_t magic[4]; pcap_fopen_offline_with_tstamp_precision() local
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/freebsd-src/usr.sbin/ppp/
H A Dlqr.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
5 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
67 u_int32_t magic; member
77 struct hdlc *hdlc = &link2physical(lcp->fsm.link)->hdlc; in SendEchoReq()
80 echo.magic = htonl(lcp->want_magic); in SendEchoReq()
82 echo.sequence = htonl(hdlc->lqm.echo.seq_sent); in SendEchoReq()
83 fsm_Output(&lcp->fsm, CODE_ECHOREQ, hdlc->lqm.echo.seq_sent++, in SendEchoReq()
90 struct hdlc *hdlc = &link2physical(fp->link)->hdlc; in lqr_RecvEcho()
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H A Dlcp.h1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
5 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
47 #define REJECTED(p, x) ((p)->his_reject & (1<<(x)))
51 u_int16_t his_mru; /* Peers maximum packet size */
52 u_int16_t his_mrru; /* Peers maximum reassembled packet size (MP) */
54 u_int32_t his_magic; /* Peers magic number */
64 u_short want_mru; /* Our maximum packet size */
65 u_short want_mrru; /* Our maximum reassembled packet size (MP) */
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/freebsd-src/contrib/unbound/libunbound/
H A Dunbound-event.h2 * unbound-event.h - unbound validating resolver public API with events
77 /** magic number to identify this version of the pluggable event api */
112 * The magic number must be correct and the Virtual Method Table must be
116 /** magic must be UB_EVENT_MAGIC (0x44d74d78) */
117 unsigned long magic; member
163 * The magic number must be correct and the Virtual Method Table must be
167 /** magic must be UB_EVENT_MAGIC (0x44d74d78) */
168 unsigned long magic; member
232 * void callback(void* mydata, int rcode, void* packet, int packet_len,
237 * with packet: a buffer with DNS wireformat packet with the answer.
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/freebsd-src/stand/i386/mbr/
H A Dmbr.S21 .set MAGIC,0xaa55 # Magic: bootable define
42 movw $main-EXEC+LOAD,%si # Source
44 movw $0x200-(main-start),%cx # Byte count
50 jmp main-LOAD+EXEC # To relocated code
94 movw $0x55aa,%bx # Magic
98 cmpw $0xaa55,%bx # Magic ok?
100 testb $0x1,%cl # Packet mode present?
108 pushw $0x10 # Packet length
122 cmpw $MAGIC,0x1fe(%bx) # Bootable?
151 .org PT_OFF-1,0x90
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/freebsd-src/libexec/bootpd/
H A Dbootp.h27 * This file specifies the "implementation-independent" BOOTP protocol
39 /* Overhead to fit a bootp message into an Ethernet packet. */
43 unsigned char bp_op; /* packet opcode type */
57 unsigned char bp_vend[BP_VEND_LEN]; /* vendor-specific area */
58 /* note that bp_vend can be longer, extending to end of packet. */
82 * Vendor magic cookie (v_magic) for CMU
87 * Vendor magic cookie (v_magic) for RFC1048
95 * the vendor (options) data area of the packet.
127 /* XXX - Add new tags here */
135 char v_magic[4]; /* magic number */
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/freebsd-src/sys/dev/le/
H A Dlancereg.h3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause
34 /*-
70 * - Am7990 Local Area Network Controller for Ethernet (LANCE)
71 * (and its descendent Am79c90 C-LANCE).
73 * - Am79c900 Integrated Local Area Communications Controller (ILACC)
75 * - Am79c960 PCnet-ISA Single-Chip Ethernet Controller for ISA
77 * - Am79c961 PCnet-ISA+ Jumperless Single-Chip Ethernet Controller
80 * - Am79c961A PCnet-ISA II Jumperless Full-Duplex Single-Chip
83 * - Am79c965A PCnet-32 Single-Chip 32-bit Ethernet Controller
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/freebsd-src/sbin/ipf/ipfsync/
H A Dipfsyncd.c30 #define R_IO_ERROR -1
55 int igmpfd = -1;
56 int nfd = -1;
57 int lfd = -1;
65 "Usage: %s [-d] [-p port] [-i address] -I <interface>\n",
106 while ((opt = getopt(argc, argv, "di:I:p:")) != -1)
140 case -1 :
167 if (lfd != -1) {
169 lfd = -1;
171 if (nfd != -1) {
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/freebsd-src/sys/contrib/device-tree/Bindings/net/
H A Dfsl-tsec-phy.txt5 the definition of the PHY node in booting-without-of.txt for an example
9 - reg : Offset and length of the register set for the device, and optionally
14 - compatible : Should define the compatible device type for the
16 - "fsl,gianfar-tbi"
17 - "fsl,gianfar-mdio"
18 - "fsl,etsec2-tb
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H A Dcdns,macb.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schema
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H A Dmacb.txt4 - compatible: Should be "cdns,[<chip>-]{macb|gem}"
5 Use "cdns,at91rm9200-emac" Atmel at91rm9200 SoC.
6 Use "cdns,at91sam9260-macb" for Atmel at91sam9 SoCs.
7 Use "cdns,sam9x60-macb" for Microchip sam9x60 SoC.
8 Use "cdns,np4-macb" for NP4 SoC devices.
9 Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
10 Use "atmel,sama5d2-gem" for the GEM IP (10/100) available on Atmel sama5d2 SoCs.
11 Use "atmel,sama5d29-gem" for GEM XL IP (10/100) available on Atmel sama5d29 SoCs.
12 Use "atmel,sama5d3-macb" for the 10/100Mbit IP available on Atmel sama5d3 SoCs.
13 Use "atmel,sama5d3-gem" for the Gigabit IP available on Atmel sama5d3 SoCs.
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H A Dfsl-fec.txt4 - compatible : Should be "fsl,<soc>-fec"
5 - reg : Address and length of the register set for the device
6 - interrupts : Should contain fec interrupt
7 - phy-mode : See ethernet.txt file in the same directory
10 - phy-supply : regulator that powers the Ethernet PHY.
11 - phy-handle : phandle to the PHY device connected to this device.
12 - fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
13 Use instead of phy-handle.
14 - fsl,num-tx-queues : The property is valid for enet-avb IP, which supports
17 - fsl,num-rx-queues : The property is valid for enet-avb IP, which supports
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/freebsd-src/tests/sys/netpfil/common/
H A Dpft_ping.py3 # SPDX-License-Identifier: BSD-2-Clause
107 for packet in sp.fragment6(ip6 / icmp, fragSize=send_frag_length):
108 packets.append(ether / packet)
114 icmp = sp.ICMP(type='echo-request')
117 for packet in sp.fragment(ip / icmp / raw, fragsize=send_frag_length):
118 packets.append(ether / packet)
121 for packet i
140 check_ipv4(expect_params, packet) global() argument
174 check_ipv6(expect_params, packet) global() argument
202 check_ping_4(expect_params, packet) global() argument
220 check_ping_request_4(expect_params, packet) global() argument
230 check_ping_reply_4(expect_params, packet) global() argument
240 check_ping_request_6(expect_params, packet) global() argument
254 check_ping_reply_6(expect_params, packet) global() argument
268 check_ping_request(expect_params, packet) global() argument
282 check_ping_reply(expect_params, packet) global() argument
296 check_tcp(expect_params, packet) global() argument
331 check_tcp_syn_request_4(expect_params, packet) global() argument
339 check_tcp_syn_reply_4(expect_params, packet) global() argument
347 check_tcp_syn_request_6(expect_params, packet) global() argument
355 check_tcp_syn_reply_6(expect_params, packet) global() argument
363 check_tcp_syn_request(expect_params, packet) global() argument
377 check_tcp_syn_reply(expect_params, packet) global() argument
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/freebsd-src/tools/tools/netmap/
H A Dnmreplay.c40 * includes a timestamp that determines when the packet should be sent out.
49 * --- Main functions of the program ---
56 * After reading a packet from the pcap file, the following information
59 * q->cur_pkt points to the buffer containing the packet
60 * q->cur_len packet length, excluding CRC
61 * q->cur_caplen available packet length (may be shorter than cur_len)
62 * q->cur_tt transmission time for the packet, computed from the trace.
66 * q->c_loss (set with the -L command line option) decides
67 * whether the packet should be dropped before even queuing.
69 * The function is supposed to set q->c_drop = 1 if the
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/freebsd-src/libexec/bootpd/tools/bootptest/
H A Dbootptest.c2 * bootptest.c - Test out a bootp server.
6 * The packet printing routine is from the Berkeley "tcpdump"
7 * program with some enhancements I added. The print-bootp.c
16 * (See the copyright notice in print-bootp.c)
27 * 12/02/93 Released version 1.4 (with bootp-2.3.2)
37 char *usage = "bootptest [-h] server-name [vendor-data-template-file]";
101 struct sockaddr_in sin_from; /* Packet source */
109 char *sndbuf; /* Send packet buffer */
110 char *rcvbuf; /* Receive packet buffer */
116 * Vendor magic cookies for CMU and RFC1048
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/freebsd-src/stand/libsa/
H A Dbootp.h6 * This file specifies the "implementation-independent" BOOTP protocol
27 unsigned char bp_op; /* packet opcode type */
46 unsigned char bp_vend[BOOTP_VENDSIZE]; /* vendor-specific area */
60 * Vendor magic cookie (v_magic) for CMU
65 * Vendor magic cookie (v_magic) for RFC1048
73 * the vendor field of the packet.
129 unsigned char v_magic[4]; /* magic number */
134 struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
/freebsd-src/stand/i386/boot0/
H A Dboot0.S38 * Note - this code uses many tricks to save space and fit in one sector.
54 * The area at offset 0x1b2 contains a magic string ('Drive '), also
59 * (called 'packet') or CHS mode, whether to force a drive number,
63 * made of four 16-byte entries each containing:
120 * MAGIC is the signature of a boot block.
128 .set B0_OFF,(B0_BASE-0x200) # Offset of boot0 data
130 .set MAGIC,0xaa55 # Magic: bootable define
151 .set USEPACKET, 0x80 # the 'packet' flag
154 .set _TICKS, (PRT_OFF -
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/freebsd-src/contrib/file/magic/Magdir/
H A Dsereal2 #------------------------------------------------------------------------------
4 # sereal: file(1) magic the Sereal binary serialization format
9 # https://github.com/Sereal/Sereal/blob/master/sereal_spec.pod#document-header-format
14 # we'll print out e.g. 0x30 instead of the more human-readable
22 >4 byte&0xF0 0x10 compressed with non-incremental Snappy)
26 0 string/b \=srl Sereal data packet
29 0 string/b \=\xF3rl Sereal data packet
32 0 string/b \=\xC3\xB3rl Sereal data packet, UTF-8 encoded
/freebsd-src/stand/i386/boot2/
H A Dboot1.S32 .set FL_PACKET,0x80 # Packet mode
84 * %cx:%ax - long - LBA to read in
85 * %es:(%bx) - caddr_t - buffer to read data into
86 * %dl - byte - drive to read from
87 * %dh - byte - num sectors to read
93 * Setup an EDD disk packet and pass it to read
104 push $0x10 # Size of packet
105 mov %sp,%bp # Packet pointer
140 * FreeBSD slice. The second pass looks for the first non-active FreeBSD
193 mov $MEM_BTX+(NSECT-1)*SIZ_SEC,%cx # Byte
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/freebsd-src/sys/dev/sume/
H A Dif_sume.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
8 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
83 * Depending on the channel (0 if packet transaction, 1 if register transaction)
88 * (1) SUME received a packet o
216 uint16_t dport, plen, magic; sume_rx_build_mbuf() local
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/freebsd-src/share/man/man4/
H A Drl.415 .\" 4. Neither the name of the author nor the names of any co-contributors
41 .Bd -ragged -offset indent
49 .Bd -literal -offset indent
60 descriptor-based data transfer mechanism.
64 For transmission, there are only four outbound packet
67 Furthermore, outbound packet buffers must
85 .Bl -tag -width xxxxxxxxxxxxxxxxxxxx
100 .Ar full-duplex
102 .Ar half-duplex
109 .Ar full-duplex
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/freebsd-src/stand/i386/zfsboot/
H A Dzfsldr.S60 * second pass looks for the first non-active FreeBSD slice if the
130 mov $(MEM_USR+2*SIZ_PAG)/16,%ax # Set %es:(-1) to point at
139 mov $COPY_BLK_SZ-1,%di # Adjust %es:%di to point at
154 * Use the zero-valued %cx as a timeout for embedded hardware which do not
172 jmp start+MEM_JMP-MEM_ORG # Start BTX
176 * Read a sector from the disk. Sets up an EDD packet on the stack
178 * always segment-aligned.
180 * %eax - int - LBA to read in relative to partition start
181 * %ebx - ptr - destination address
182 * %dl - byte - drive to read from
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/freebsd-src/contrib/ntp/html/
H A Dxleave.html1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
12 <p>You need a little magic.</p>
14 <!-- #BeginDate format:En2m -->6-Feb-2016 07:17<!-- #EndDate -->
18 …packet queued for output, is properly called as a <em>softstamp</em>. The receive timestamp, whic…
19 …packet has been sent. A solution for this problem is the two-step or interleaved protocol describ…
20 … interleaved or output delay, varies from 16 &mu;s (microseconds) for a dual-core Pentium running …
24 …www.eecis.udel.edu/~mills/onwire.html">Analysis and Simulation of the NTP On-Wire Protocols</a>, t…

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