From c806f47ab3d2552e20670bef078392e0dd96eb7f Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 17 Mar 2012 00:25:34 +0000 Subject: NFS update; fix STM32 enabling of CAN2 clock git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4494 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/fs/nfs/rpc_mbuf.h | 449 ------------------------------------------------ 1 file changed, 449 deletions(-) delete mode 100644 nuttx/fs/nfs/rpc_mbuf.h (limited to 'nuttx/fs/nfs/rpc_mbuf.h') diff --git a/nuttx/fs/nfs/rpc_mbuf.h b/nuttx/fs/nfs/rpc_mbuf.h deleted file mode 100644 index f820f8045..000000000 --- a/nuttx/fs/nfs/rpc_mbuf.h +++ /dev/null @@ -1,449 +0,0 @@ -/**************************************************************************** - * fs/nfs/rpc_mbuf.h - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved. - * Author: Jose Pablo Rojas Vargas - * - * Leveraged from OpenBSD: - * - * Copyright (c) 1982, 1986, 1988, 1993 - * The Regents of the University of California. 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. - * 3. 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. - * - ****************************************************************************/ - -#ifndef __FS_NFS_RPC_MBUF_H -#define __FS_NFS_RPC_MBUF_H - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ -/* Mbufs are of a single size, MSIZE (sys/param.h), which - * includes overhead. An mbuf may add a single "mbuf cluster" of size - * MCLBYTES (also in sys/param.h), which has no additional overhead - * and is used instead of the internal data area; this is done when - * at least MINCLSIZE of data must be stored. - */ - -#define MSIZE 128 -#define MCLSHIFT 11 /* Convert bytes to m_buf clusters */ - /* 2K cluster can hold Ether frame */ -#define MCLBYTES (1 << MCLSHIFT) /* Size of a m_buf cluster */ -#define MLEN (MSIZE - sizeof(struct m_hdr)) /* Normal data len */ -#define MHLEN (MLEN - sizeof(struct pkthdr)) /* Data len w/pkthdr */ - -/* smallest amount to put in cluster */ - -#define MINCLSIZE (MHLEN + MLEN + 1) -#define M_MAXCOMPRESS (MHLEN / 2) /* Max amount to copy for compression */ - -/* Macros for type conversion - * mtod(m,t) - convert mbuf pointer to data pointer of correct type - */ - -#define mtod(m,t) ((t)((m)->m_data)) - -/* 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_CLUSTER 0x0008 /* external storage is a cluster */ -#define M_PROTO1 0x0010 /* protocol-specific */ - -/* mbuf pkthdr flags, also in m_flags */ - -#define M_VLANTAG 0x0020 /* ether_vtag is valid */ -#define M_LOOP 0x0040 /* for Mbuf statistics */ -#define M_FILDROP 0x0080 /* dropped by bpf filter */ -#define M_BCAST 0x0100 /* send/received as link-level broadcast */ -#define M_MCAST 0x0200 /* send/received as link-level multicast */ -#define M_CONF 0x0400 /* payload was encrypted (ESP-transport) */ -#define M_AUTH 0x0800 /* payload was authenticated (AH or ESP auth) */ -#define M_TUNNEL 0x1000 /* IP-in-IP added by tunnel mode IPsec */ -#define M_AUTH_AH 0x2000 /* header was authenticated (AH) */ -#define M_COMP 0x4000 /* header was decompressed */ -#define M_LINK0 0x8000 /* link layer specific flag */ - -/* Flags copied when copying m_pkthdr */ - -#define M_COPYFLAGS (M_PKTHDR|M_EOR|M_PROTO1|M_BCAST|M_MCAST|M_CONF|M_COMP|\ - M_AUTH|M_LOOP|M_TUNNEL|M_LINK0|M_VLANTAG|M_FILDROP) - -/* Checksumming flags */ - -#define M_IPV4_CSUM_OUT 0x0001 /* IPv4 checksum needed */ -#define M_TCP_CSUM_OUT 0x0002 /* TCP checksum needed */ -#define M_UDP_CSUM_OUT 0x0004 /* UDP checksum needed */ -#define M_IPV4_CSUM_IN_OK 0x0008 /* IPv4 checksum verified */ -#define M_IPV4_CSUM_IN_BAD 0x0010 /* IPv4 checksum bad */ -#define M_TCP_CSUM_IN_OK 0x0020 /* TCP/IPv4 checksum verified */ -#define M_TCP_CSUM_IN_BAD 0x0040 /* TCP/IPv4 checksum bad */ -#define M_UDP_CSUM_IN_OK 0x0080 /* UDP/IPv4 checksum verified */ -#define M_UDP_CSUM_IN_BAD 0x0100 /* UDP/IPv4 checksum bad */ -#define M_ICMP_CSUM_OUT 0x0200 /* ICMP checksum needed */ -#define M_ICMP_CSUM_IN_OK 0x0400 /* ICMP checksum verified */ -#define M_ICMP_CSUM_IN_BAD 0x0800 /* ICMP checksum bad */ - -/* mbuf types */ - -#define MT_FREE 0 /* should be on free list */ -#define MT_DATA 1 /* dynamic (data) allocation */ -#define MT_HEADER 2 /* packet header */ -#define MT_SONAME 3 /* socket name */ -#define MT_SOOPTS 4 /* socket options */ -#define MT_FTABLE 5 /* fragment reassembly header */ -#define MT_CONTROL 6 /* extra-data protocol message */ -#define MT_OOBDATA 7 /* expedited data */ - -/* Flags to m_get/MGET */ - -#define M_DONTWAIT 0x0000 -#define M_WAIT 0x0001 - -/* mbuf allocation/deallocation macros: - * - * MGET(struct mbuf *m, int how, int type) - * allocates an mbuf and initializes it to contain internal data. - * - * MGETHDR(struct mbuf *m, int how, int type) - * allocates an mbuf and initializes it to contain a packet header - * and internal data. - */ - -#define MGET(m, how, type) m = m_get((how), (type)) -#define MGETHDR(m, how, type) m = m_gethdr((how), (type)) - -/* Macros for tracking external storage associated with an mbuf. - * - * Note: add and delete reference must be called at splnet(). - */ - -#ifdef CONFIG_DEBUG -# define MCLREFDEBUGN(m, file, line) do { \ - (m)->m_ext.ext_nfile = (file); \ - (m)->m_ext.ext_nline = (line); \ - } while (/* CONSTCOND */ 0) -# define MCLREFDEBUGO(m, file, line) do { \ - (m)->m_ext.ext_ofile = (file); \ - (m)->m_ext.ext_oline = (line); \ - } while (/* CONSTCOND */ 0) -#else -# define MCLREFDEBUGN(m, file, line) -# define MCLREFDEBUGO(m, file, line) -#endif - -#define MCLISREFERENCED(m) ((m)->m_ext.ext_nextref != (m)) - -#define MCLADDREFERENCE(o, n) do { \ - int ms = splnet(); \ - (n)->m_flags |= ((o)->m_flags & (M_EXT|M_CLUSTER)); \ - (n)->m_ext.ext_nextref = (o)->m_ext.ext_nextref; \ - (n)->m_ext.ext_prevref = (o); \ - (o)->m_ext.ext_nextref = (n); \ - (n)->m_ext.ext_nextref->m_ext.ext_prevref = (n); \ - splx(ms); \ - MCLREFDEBUGN((n), __FILE__, __LINE__); \ - } while (/* CONSTCOND */ 0) - -#define MCLINITREFERENCE(m) do { \ - (m)->m_ext.ext_prevref = (m); \ - (m)->m_ext.ext_nextref = (m); \ - MCLREFDEBUGO((m), __FILE__, __LINE__); \ - MCLREFDEBUGN((m), NULL, 0); \ - } while (/* CONSTCOND */ 0) - -/* Macros for mbuf external storage. - * - * MEXTADD adds pre-allocated external storage to - * a normal mbuf; the flag M_EXT is set. - * - * MCLGET allocates and adds an mbuf cluster to a normal mbuf; - * the flag M_EXT is set upon success. - */ - -#define MEXTADD(m, buf, size, type, free, arg) do { \ - (m)->m_data = (m)->m_ext.ext_buf = (char*)(buf); \ - (m)->m_flags |= M_EXT; \ - (m)->m_flags &= ~M_CLUSTER; \ - (m)->m_ext.ext_size = (size); \ - (m)->m_ext.ext_free = (free); \ - (m)->m_ext.ext_arg = (arg); \ - (m)->m_ext.ext_type = (type); \ - MCLINITREFERENCE(m); \ -} while (/* CONSTCOND */ 0) - -#define MCLGET(m, how) (void) m_clget((m), (how), NULL, MCLBYTES) -#define MCLGETI(m, how, ifp, l) m_clget((m), (how), (ifp), (l)) - -/* MFREE(struct mbuf *m, struct mbuf *n) - * Free a single mbuf and associated external storage. - * Place the successor, if any, in n. - */ - -#define MFREE(m, n) n = m_free((m)) - -/* Move just m_pkthdr from from to to, - * remove M_PKTHDR and clean flags/tags for from. - */ - -#define M_MOVE_HDR(to, from) do { \ - (to)->m_pkthdr = (from)->m_pkthdr; \ - (from)->m_flags &= ~M_PKTHDR; \ - SLIST_INIT(&(from)->m_pkthdr.tags); \ -} while (/* CONSTCOND */ 0) - -/* MOVE mbuf pkthdr from from to to. - * from must have M_PKTHDR set, and to must be empty. - */ - -#define M_MOVE_PKTHDR(to, from) do { \ - (to)->m_flags = ((to)->m_flags & (M_EXT | M_CLUSTER)); \ - (to)->m_flags |= (from)->m_flags & M_COPYFLAGS; \ - M_MOVE_HDR((to), (from)); \ - if (((to)->m_flags & M_EXT) == 0) \ - (to)->m_data = (to)->m_pktdat; \ -} while (/* CONSTCOND */ 0) - -/* Set the m_data pointer of a newly-allocated mbuf (m_get/MGET) to place - * an object of the specified size at the end of the mbuf, longword aligned. - */ - -#define M_ALIGN(m, len) \ - (m)->m_data += (MLEN - (len)) &~ (sizeof(long) - 1) - -/* As above, for mbufs allocated with m_gethdr/MGETHDR - * or initialized by M_MOVE_PKTHDR. - */ - -#define MH_ALIGN(m, len) \ - (m)->m_data += (MHLEN - (len)) &~ (sizeof(long) - 1) - -/* Determine if an mbuf's data area is read-only. This is true for - * non-cluster external storage and for clusters that are being - * referenced by more than one mbuf. - */ - -#define M_READONLY(m) \ - (((m)->m_flags & M_EXT) != 0 && \ - (((m)->m_flags & M_CLUSTER) == 0 || MCLISREFERENCED(m))) - -/* Compute the amount of space available - * before the current start of data in an mbuf. - */ - -#define M_LEADINGSPACE(m) m_leadingspace(m) - -/* Compute the amount of space available - * after the end of data in an mbuf. - */ - -#define M_TRAILINGSPACE(m) m_trailingspace(m) - -/* Arrange to prepend space of size plen to mbuf m. - * If a new mbuf must be allocated, how specifies whether to wait. - * If how is M_DONTWAIT and allocation fails, the original mbuf chain - * is freed and m is set to NULL. - */ - -#define M_PREPEND(m, plen, how) \ - (m) = m_prepend((m), (plen), (how)) - -/* Length to m_copy to copy all */ - -#define M_COPYALL 1000000000 - -/* Compatibility with 4.3 */ - -#define m_copy(m, o, l) m_copym((m), (o), (l), M_DONTWAIT) - - - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/* Header at beginning of each mbuf: */ - -struct m_hdr -{ - struct mbuf *mh_next; /* Next buffer in chain */ - struct mbuf *mh_nextpkt; /* Next chain in queue/record */ - char *mh_data; /* Location of data */ - unsigned int mh_len; /* Amount of data in this mbuf */ - short mh_type; /* Type of data in this mbuf */ - unsigned short mh_flags; /* Flags; see below */ -}; - -/* Record/packet header in first mbuf of chain; valid if M_PKTHDR set */ - -struct pkthdr -{ - struct ifnet *rcvif; /* rcv interface */ - int len; /* Total packet length */ -}; - -/* Description of external storage mapped into mbuf, valid if M_EXT set */ - -struct mbuf_ext -{ - char* ext_buf; /* start of buffer */ - /* free routine if not the usual */ - // void (*ext_free)(); - // void *ext_arg; /* argument for ext_free */ - // unsigned int ext_size; /* size of buffer, for ext_free */ - unsigned int ext_size; /* size of buffer, for ext_free */ - }; - -struct mbuf - { - struct m_hdr m_hdr; - union - { - struct - { - struct pkthdr MH_pkthdr; /* M_PKTHDR set */ - union - { - struct mbuf_ext MH_ext; /* M_EXT set */ - char MH_databuf[MHLEN]; - } MH_dat; - } MH; - char M_databuf[MLEN]; /* !M_PKTHDR, !M_EXT */ - } M_dat; - }; - -#define m_next m_hdr.mh_next -#define m_len m_hdr.mh_len -#define m_data m_hdr.mh_data -#define m_type m_hdr.mh_type -#define m_flags m_hdr.mh_flags -#define m_nextpkt m_hdr.mh_nextpkt -#define m_act m_nextpkt -#define m_pkthdr M_dat.MH.MH_pkthdr -#define m_ext M_dat.MH.MH_dat.MH_ext -#define m_pktdat M_dat.MH.MH_dat.MH_databuf -#define m_dat M_dat.M_databuf - -/* Mbuf statistics. - * For statistics related to mbuf and cluster allocations, see also the - * pool headers (mbpool and mclpool). - */ - -struct mbstat -{ - unsigned long _m_spare; /* formerly m_mbufs */ - unsigned long _m_spare1; /* formerly m_clusters */ - unsigned long _m_spare2; /* spare field */ - unsigned long _m_spare3; /* formely m_clfree - free clusters */ - unsigned long m_drops; /* times failed to find space */ - unsigned long m_wait; /* times waited for space */ - unsigned long m_drain; /* times drained protocols for space */ - unsigned short m_mtypes[256]; /* type specific mbuf allocations */ -}; - -struct mclsizes -{ - unsigned int size; - unsigned int hwm; -}; - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -extern struct mbstat mbstat; -extern int nmbclust; /* limit on the # of clusters */ -extern int mblowat; /* mbuf low water mark */ -extern int mcllowat; /* mbuf cluster low water mark */ -extern int max_linkhdr; /* largest link-level header */ -extern int max_protohdr; /* largest protocol header */ -extern int max_hdr; /* largest link+protocol header */ -extern int max_datalen; /* MHLEN - max_hdr */ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -void mbinit(void); -struct mbuf *m_copym2(struct mbuf *, int, int, int); -struct mbuf *m_copym(struct mbuf *, int, int, int); -struct mbuf *m_free(struct mbuf *); -struct mbuf *m_free_unlocked(struct mbuf *); -struct mbuf *m_get(int, int); -struct mbuf *m_getclr(int, int); -struct mbuf *m_gethdr(int, int); -struct mbuf *m_inithdr(struct mbuf *); -int m_defrag(struct mbuf *, int); -struct mbuf *m_prepend(struct mbuf *, int, int); -struct mbuf *m_pulldown(struct mbuf *, int, int, int *); -struct mbuf *m_pullup(struct mbuf *, int); -struct mbuf *m_split(struct mbuf *, int, int); -struct mbuf *m_inject(struct mbuf *, int, int, int); -struct mbuf *m_getptr(struct mbuf *, int, int *); -int m_leadingspace(struct mbuf *); -int m_trailingspace(struct mbuf *); -struct mbuf *m_clget(struct mbuf *, int, struct ifnet *, unsigned int); -void m_clsetwms(struct ifnet *, unsigned int, unsigned int, unsigned int); -int m_cldrop(struct ifnet *, int); -void m_clcount(struct ifnet *, int); -void m_cluncount(struct mbuf *, int); -void m_clinitifp(struct ifnet *); -void m_adj(struct mbuf *, int); -int m_copyback(struct mbuf *, int, int, const void *, int); -void m_freem(struct mbuf *); -void m_reclaim(void *, int); -void m_copydata(struct mbuf *, int, int, char*); -void m_cat(struct mbuf *, struct mbuf *); -struct mbuf *m_devget(char *, int, int, struct ifnet *, - void (*)(const void *, void *, size_t)); -void m_zero(struct mbuf *); -int m_apply(struct mbuf *, int, int, - int (*)(char*, char*, unsigned int), char*); -int m_dup_pkthdr(struct mbuf *, struct mbuf *, int); - -/* Packet tag routines */ - -struct m_tag *m_tag_get(int, int, int); -void m_tag_prepend(struct mbuf *, struct m_tag *); -void m_tag_delete(struct mbuf *, struct m_tag *); -void m_tag_delete_chain(struct mbuf *); -struct m_tag *m_tag_find(struct mbuf *, int, struct m_tag *); -struct m_tag *m_tag_copy(struct m_tag *, int); -int m_tag_copy_chain(struct mbuf *, struct mbuf *, int); -void m_tag_init(struct mbuf *); -struct m_tag *m_tag_first(struct mbuf *); -struct m_tag *m_tag_next(struct mbuf *, struct m_tag *); - -#endif /* __FS_NFS_RPC_MBUF_H */ - -- cgit v1.2.3