diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/net/bpf.h')
-rw-r--r-- | newlib/libc/sys/linux/include/net/bpf.h | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/newlib/libc/sys/linux/include/net/bpf.h b/newlib/libc/sys/linux/include/net/bpf.h deleted file mode 100644 index 1f4a8be2b..000000000 --- a/newlib/libc/sys/linux/include/net/bpf.h +++ /dev/null @@ -1,326 +0,0 @@ -/* - * Copyright (c) 1990, 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from the Stanford/CMU enet packet filter, - * (net/enet.c) distributed as part of 4.3BSD, and code contributed - * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence - * Berkeley Laboratory. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * @(#)bpf.h 8.1 (Berkeley) 6/10/93 - * @(#)bpf.h 1.34 (LBL) 6/16/96 - * - * $FreeBSD: src/sys/net/bpf.h,v 1.25 2002/03/19 21:54:16 alfred Exp $ - */ - -#ifndef _NET_BPF_H_ -#define _NET_BPF_H_ - -/* BSD style release date */ -#define BPF_RELEASE 199606 - -typedef int32_t bpf_int32; -typedef u_int32_t bpf_u_int32; - -/* - * Alignment macros. BPF_WORDALIGN rounds up to the next - * even multiple of BPF_ALIGNMENT. - */ -#define BPF_ALIGNMENT sizeof(long) -#define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1)) - -#define BPF_MAXINSNS 512 -#define BPF_MAXBUFSIZE 0x80000 -#define BPF_MINBUFSIZE 32 - -/* - * Structure for BIOCSETF. - */ -struct bpf_program { - u_int bf_len; - struct bpf_insn *bf_insns; -}; - -/* - * Struct returned by BIOCGSTATS. - */ -struct bpf_stat { - u_int bs_recv; /* number of packets received */ - u_int bs_drop; /* number of packets dropped */ -}; - -/* - * Struct return by BIOCVERSION. This represents the version number of - * the filter language described by the instruction encodings below. - * bpf understands a program iff kernel_major == filter_major && - * kernel_minor >= filter_minor, that is, if the value returned by the - * running kernel has the same major number and a minor number equal - * equal to or less than the filter being downloaded. Otherwise, the - * results are undefined, meaning an error may be returned or packets - * may be accepted haphazardly. - * It has nothing to do with the source code version. - */ -struct bpf_version { - u_short bv_major; - u_short bv_minor; -}; -/* Current version number of filter architecture. */ -#define BPF_MAJOR_VERSION 1 -#define BPF_MINOR_VERSION 1 - -#define BIOCGBLEN _IOR('B',102, u_int) -#define BIOCSBLEN _IOWR('B',102, u_int) -#define BIOCSETF _IOW('B',103, struct bpf_program) -#define BIOCFLUSH _IO('B',104) -#define BIOCPROMISC _IO('B',105) -#define BIOCGDLT _IOR('B',106, u_int) -#define BIOCGETIF _IOR('B',107, struct ifreq) -#define BIOCSETIF _IOW('B',108, struct ifreq) -#define BIOCSRTIMEOUT _IOW('B',109, struct timeval) -#define BIOCGRTIMEOUT _IOR('B',110, struct timeval) -#define BIOCGSTATS _IOR('B',111, struct bpf_stat) -#define BIOCIMMEDIATE _IOW('B',112, u_int) -#define BIOCVERSION _IOR('B',113, struct bpf_version) -#define BIOCGRSIG _IOR('B',114, u_int) -#define BIOCSRSIG _IOW('B',115, u_int) -#define BIOCGHDRCMPLT _IOR('B',116, u_int) -#define BIOCSHDRCMPLT _IOW('B',117, u_int) -#define BIOCGSEESENT _IOR('B',118, u_int) -#define BIOCSSEESENT _IOW('B',119, u_int) - -/* - * Structure prepended to each packet. - */ -struct bpf_hdr { - struct timeval bh_tstamp; /* time stamp */ - bpf_u_int32 bh_caplen; /* length of captured portion */ - bpf_u_int32 bh_datalen; /* original length of packet */ - u_short bh_hdrlen; /* length of bpf header (this struct - plus alignment padding) */ -}; -/* - * Because the structure above is not a multiple of 4 bytes, some compilers - * will insist on inserting padding; hence, sizeof(struct bpf_hdr) won't work. - * Only the kernel needs to know about it; applications use bh_hdrlen. - */ -#ifdef _KERNEL -#define SIZEOF_BPF_HDR (sizeof(struct bpf_hdr) <= 20 ? 18 : \ - sizeof(struct bpf_hdr)) -#endif - -/* - * Data-link level type codes. - */ -#define DLT_NULL 0 /* no link-layer encapsulation */ -#define DLT_EN10MB 1 /* Ethernet (10Mb) */ -#define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ -#define DLT_AX25 3 /* Amateur Radio AX.25 */ -#define DLT_PRONET 4 /* Proteon ProNET Token Ring */ -#define DLT_CHAOS 5 /* Chaos */ -#define DLT_IEEE802 6 /* IEEE 802 Networks */ -#define DLT_ARCNET 7 /* ARCNET */ -#define DLT_SLIP 8 /* Serial Line IP */ -#define DLT_PPP 9 /* Point-to-point Protocol */ -#define DLT_FDDI 10 /* FDDI */ -#define DLT_ATM_RFC1483 11 /* LLC/SNAP encapsulated atm */ -#define DLT_RAW 12 /* raw IP */ - -/* - * These are values from BSD/OS's "bpf.h". - * These are not the same as the values from the traditional libpcap - * "bpf.h"; however, these values shouldn't be generated by any - * OS other than BSD/OS, so the correct values to use here are the - * BSD/OS values. - * - * Platforms that have already assigned these values to other - * DLT_ codes, however, should give these codes the values - * from that platform, so that programs that use these codes will - * continue to compile - even though they won't correctly read - * files of these types. - */ -#define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ -#define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ - -#define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ - -/* - * This value is defined by NetBSD; other platforms should refrain from - * using it for other purposes, so that NetBSD savefiles with a link - * type of 50 can be read as this type on all platforms. - */ -#define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ - -/* - * This value was defined by libpcap 0.5; platforms that have defined - * it with a different value should define it here with that value - - * a link type of 104 in a save file will be mapped to DLT_C_HDLC, - * whatever value that happens to be, so programs will correctly - * handle files with that link type regardless of the value of - * DLT_C_HDLC. - * - * The name DLT_C_HDLC was used by BSD/OS; we use that name for source - * compatibility with programs written for BSD/OS. - * - * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, - * for source compatibility with programs written for libpcap 0.5. - */ -#define DLT_C_HDLC 104 /* Cisco HDLC */ -#define DLT_CHDLC DLT_C_HDLC - -/* - * Reserved for future use. - * Do not pick other numerical value for these unless you have also - * picked up the tcpdump.org top-of-CVS-tree version of "savefile.c", - * which will arrange that capture files for these DLT_ types have - * the same "network" value on all platforms, regardless of what - * value is chosen for their DLT_ type (thus allowing captures made - * on one platform to be read on other platforms, even if the two - * platforms don't use the same numerical values for all DLT_ types). - */ -#define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ - -/* - * Values between 106 and 107 are used in capture file headers as - * link-layer types corresponding to DLT_ types that might differ - * between platforms; don't use those values for new DLT_ new types. - */ - -/* - * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except - * that the AF_ type in the link-layer header is in network byte order. - * - * OpenBSD defines it as 12, but that collides with DLT_RAW, so we - * define it as 108 here. If OpenBSD picks up this file, it should - * define DLT_LOOP as 12 in its version, as per the comment above - - * and should not use 108 for any purpose. - */ -#define DLT_LOOP 108 - -/* - * Values between 109 and 112 are used in capture file headers as - * link-layer types corresponding to DLT_ types that might differ - * between platforms; don't use those values for new DLT_ new types. - */ - -/* - * This is for Linux cooked sockets. - */ -#define DLT_LINUX_SLL 113 - -/* - * The instruction encodings. - */ -/* instruction classes */ -#define BPF_CLASS(code) ((code) & 0x07) -#define BPF_LD 0x00 -#define BPF_LDX 0x01 -#define BPF_ST 0x02 -#define BPF_STX 0x03 -#define BPF_ALU 0x04 -#define BPF_JMP 0x05 -#define BPF_RET 0x06 -#define BPF_MISC 0x07 - -/* ld/ldx fields */ -#define BPF_SIZE(code) ((code) & 0x18) -#define BPF_W 0x00 -#define BPF_H 0x08 -#define BPF_B 0x10 -#define BPF_MODE(code) ((code) & 0xe0) -#define BPF_IMM 0x00 -#define BPF_ABS 0x20 -#define BPF_IND 0x40 -#define BPF_MEM 0x60 -#define BPF_LEN 0x80 -#define BPF_MSH 0xa0 - -/* alu/jmp fields */ -#define BPF_OP(code) ((code) & 0xf0) -#define BPF_ADD 0x00 -#define BPF_SUB 0x10 -#define BPF_MUL 0x20 -#define BPF_DIV 0x30 -#define BPF_OR 0x40 -#define BPF_AND 0x50 -#define BPF_LSH 0x60 -#define BPF_RSH 0x70 -#define BPF_NEG 0x80 -#define BPF_JA 0x00 -#define BPF_JEQ 0x10 -#define BPF_JGT 0x20 -#define BPF_JGE 0x30 -#define BPF_JSET 0x40 -#define BPF_SRC(code) ((code) & 0x08) -#define BPF_K 0x00 -#define BPF_X 0x08 - -/* ret - BPF_K and BPF_X also apply */ -#define BPF_RVAL(code) ((code) & 0x18) -#define BPF_A 0x10 - -/* misc */ -#define BPF_MISCOP(code) ((code) & 0xf8) -#define BPF_TAX 0x00 -#define BPF_TXA 0x80 - -/* - * The instruction data structure. - */ -struct bpf_insn { - u_short code; - u_char jt; - u_char jf; - bpf_u_int32 k; -}; - -/* - * Macros for insn array initializers. - */ -#define BPF_STMT(code, k) { (u_short)(code), 0, 0, k } -#define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k } - -#ifdef _KERNEL -int bpf_validate(const struct bpf_insn *, int); -void bpf_tap(struct ifnet *, u_char *, u_int); -void bpf_mtap(struct ifnet *, struct mbuf *); -void bpfattach(struct ifnet *, u_int, u_int); -void bpfdetach(struct ifnet *); - -void bpfilterattach(int); -u_int bpf_filter(const struct bpf_insn *, u_char *, u_int, u_int); -#endif - -/* - * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST). - */ -#define BPF_MEMWORDS 16 - -#endif |