/*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
* New version based on 4.4
* Purged old history
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
#ifndef _SYS_MBUF_H_
#define _SYS_MBUF_H_
* Macros for type conversion
* mtod(m,t) - convert mbuf pointer to data pointer of correct type
* dtom(x) - convert data pointer within mbuf to mbuf pointer (XXX)
- * mtocl(x) - convert pointer within cluster to cluster index #
- * cltom(x) - convert cluster # to ptr to beginning of cluster
*/
#define mtod(m,t) ((t)m_mtod(m))
#define dtom(x) m_dtom(x)
-#define mtocl(x) m_mtocl(x)
-#define cltom(x) m_cltom(x)
-
-#define MCLREF(p) m_mclref(p)
-#define MCLUNREF(p) m_mclunref(p)
/* header at beginning of each mbuf: */
struct m_hdr {
#endif KERNEL_PRIVATE
int csum_flags; /* flags regarding checksum */
int csum_data; /* data field used by csum routines */
- struct mbuf *aux; /* extra data buffer; ipsec/others */
+ void *reserved0; /* unused, for future use */
#ifdef KERNEL_PRIVATE
u_short vlan_tag; /* VLAN tag, host byte order */
u_short socket_id; /* socket id */
struct ext_refsq { /* references held */
struct ext_refsq *forward, *backward;
} ext_refs;
+ struct ext_ref {
+ u_int32_t refcnt;
+ u_int32_t flags;
+ } *ext_refflags;
};
struct mbuf {
#define M_DONTWAIT M_NOWAIT
#define M_WAIT M_WAITOK
-/*
- * mbuf utility macros:
- *
- * MBUFLOCK(code)
- * prevents a section of code from from being interrupted by network
- * drivers.
- */
-
-#ifdef _KERN_LOCKS_H_
-extern lck_mtx_t * mbuf_mlock;
-#else
-extern void * mbuf_mlock;
-#endif
-
-#define MBUF_LOCK() lck_mtx_lock(mbuf_mlock);
-#define MBUF_UNLOCK() lck_mtx_unlock(mbuf_mlock);
-
/*
* mbuf allocation/deallocation macros:
*
#define MCHECK(m)
#endif
-extern struct mbuf *mfree; /* mbuf free list */
-
#define MGET(m, how, type) ((m) = m_get((how), (type)))
#define MGETHDR(m, how, type) ((m) = m_gethdr((how), (type)))
char mbc_buf[NBPG];
};
+#define M16KCLBYTES (16 * 1024)
+
+union m16kcluster {
+ union m16kcluster *m16kcl_next;
+ char m16kcl_buf[M16KCLBYTES];
+};
#define MCLHASREFERENCE(m) m_mclhasreference(m)
#endif /* KERNEL_PRIVATE */
/*
- * Mbuf statistics.
+ * Mbuf statistics (legacy).
*/
-/* LP64todo - not 64-bit safe */
struct mbstat {
- u_long m_mbufs; /* mbufs obtained from page pool */
- u_long m_clusters; /* clusters obtained from page pool */
- u_long m_spare; /* spare field */
- u_long m_clfree; /* free clusters */
- u_long m_drops; /* times failed to find space */
- u_long m_wait; /* times waited for space */
- u_long m_drain; /* times drained protocols for space */
- u_short m_mtypes[256]; /* type specific mbuf allocations */
- u_long m_mcfail; /* times m_copym failed */
- u_long m_mpfail; /* times m_pullup failed */
- u_long m_msize; /* length of an mbuf */
- u_long m_mclbytes; /* length of an mbuf cluster */
- u_long m_minclsize; /* min length of data to allocate a cluster */
- u_long m_mlen; /* length of data in an mbuf */
- u_long m_mhlen; /* length of data in a header mbuf */
- u_long m_bigclusters; /* clusters obtained from page pool */
- u_long m_bigclfree; /* free clusters */
- u_long m_bigmclbytes; /* length of an mbuf cluster */
+ u_int32_t m_mbufs; /* mbufs obtained from page pool */
+ u_int32_t m_clusters; /* clusters obtained from page pool */
+ u_int32_t m_spare; /* spare field */
+ u_int32_t m_clfree; /* free clusters */
+ u_int32_t m_drops; /* times failed to find space */
+ u_int32_t m_wait; /* times waited for space */
+ u_int32_t m_drain; /* times drained protocols for space */
+ u_short m_mtypes[256]; /* type specific mbuf allocations */
+ u_int32_t m_mcfail; /* times m_copym failed */
+ u_int32_t m_mpfail; /* times m_pullup failed */
+ u_int32_t m_msize; /* length of an mbuf */
+ u_int32_t m_mclbytes; /* length of an mbuf cluster */
+ u_int32_t m_minclsize; /* min length of data to allocate a cluster */
+ u_int32_t m_mlen; /* length of data in an mbuf */
+ u_int32_t m_mhlen; /* length of data in a header mbuf */
+ u_int32_t m_bigclusters; /* clusters obtained from page pool */
+ u_int32_t m_bigclfree; /* free clusters */
+ u_int32_t m_bigmclbytes; /* length of an mbuf cluster */
};
/* Compatibillity with 10.3 */
struct ombstat {
- u_long m_mbufs; /* mbufs obtained from page pool */
- u_long m_clusters; /* clusters obtained from page pool */
- u_long m_spare; /* spare field */
- u_long m_clfree; /* free clusters */
- u_long m_drops; /* times failed to find space */
- u_long m_wait; /* times waited for space */
- u_long m_drain; /* times drained protocols for space */
- u_short m_mtypes[256]; /* type specific mbuf allocations */
- u_long m_mcfail; /* times m_copym failed */
- u_long m_mpfail; /* times m_pullup failed */
- u_long m_msize; /* length of an mbuf */
- u_long m_mclbytes; /* length of an mbuf cluster */
- u_long m_minclsize; /* min length of data to allocate a cluster */
- u_long m_mlen; /* length of data in an mbuf */
- u_long m_mhlen; /* length of data in a header mbuf */
+ u_int32_t m_mbufs; /* mbufs obtained from page pool */
+ u_int32_t m_clusters; /* clusters obtained from page pool */
+ u_int32_t m_spare; /* spare field */
+ u_int32_t m_clfree; /* free clusters */
+ u_int32_t m_drops; /* times failed to find space */
+ u_int32_t m_wait; /* times waited for space */
+ u_int32_t m_drain; /* times drained protocols for space */
+ u_short m_mtypes[256]; /* type specific mbuf allocations */
+ u_int32_t m_mcfail; /* times m_copym failed */
+ u_int32_t m_mpfail; /* times m_pullup failed */
+ u_int32_t m_msize; /* length of an mbuf */
+ u_int32_t m_mclbytes; /* length of an mbuf cluster */
+ u_int32_t m_minclsize; /* min length of data to allocate a cluster */
+ u_int32_t m_mlen; /* length of data in an mbuf */
+ u_int32_t m_mhlen; /* length of data in a header mbuf */
};
-#ifdef KERNEL_PRIVATE
/*
- * pkthdr.aux type tags.
+ * mbuf class statistics.
*/
-struct mauxtag {
- int af;
- int type;
-};
+#define MAX_MBUF_CNAME 15
+
+typedef struct mb_class_stat {
+ char mbcl_cname[MAX_MBUF_CNAME + 1]; /* class name */
+ u_int32_t mbcl_size; /* buffer size */
+ u_int32_t mbcl_total; /* # of buffers created */
+ u_int32_t mbcl_active; /* # of active buffers */
+ u_int32_t mbcl_infree; /* # of available buffers */
+ u_int32_t mbcl_slab_cnt; /* # of available slabs */
+ u_int64_t mbcl_alloc_cnt; /* # of times alloc is called */
+ u_int64_t mbcl_free_cnt; /* # of times free is called */
+ u_int64_t mbcl_notified; /* # of notified wakeups */
+ u_int64_t mbcl_purge_cnt; /* # of purges so far */
+ u_int64_t mbcl_fail_cnt; /* # of allocation failures */
+ u_int32_t mbcl_ctotal; /* total only for this class */
+ /*
+ * Cache layer statistics
+ */
+ u_int32_t mbcl_mc_state; /* cache state (see below) */
+ u_int32_t mbcl_mc_cached; /* # of cached buffers */
+ u_int32_t mbcl_mc_waiter_cnt; /* # waiters on the cache */
+ u_int32_t mbcl_mc_wretry_cnt; /* # of wait retries */
+ u_int32_t mbcl_mc_nwretry_cnt; /* # of no-wait retry attempts */
+ u_int64_t mbcl_reserved[4]; /* for future use */
+} mb_class_stat_t;
+
+#define MCS_DISABLED 0 /* cache is permanently disabled */
+#define MCS_ONLINE 1 /* cache is online */
+#define MCS_PURGING 2 /* cache is being purged */
+#define MCS_OFFLINE 3 /* cache is offline (resizing) */
+
+typedef struct mb_stat {
+ u_int32_t mbs_cnt; /* number of classes */
+ mb_class_stat_t mbs_class[1]; /* class array */
+} mb_stat_t;
+
+#ifdef KERNEL_PRIVATE
#ifdef KERNEL
extern union mcluster *mbutl; /* virtual address of mclusters */
extern union mcluster *embutl; /* ending virtual address of mclusters */
-extern short *mclrefcnt; /* cluster reference counts */
-extern int *mcl_paddr; /* physical addresses of clusters */
extern struct mbstat mbstat; /* statistics */
extern int nmbclusters; /* number of mapped clusters */
-extern union mcluster *mclfree; /* free mapped cluster list */
+extern int njcl; /* # of clusters for jumbo sizes */
+extern int njclbytes; /* size of a jumbo cluster */
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 */
__BEGIN_DECLS
+/* Not exported */
+__private_extern__ void mbinit(void);
+__private_extern__ struct mbuf *m_clattach(struct mbuf *, int, caddr_t,
+ void (*)(caddr_t , u_int, caddr_t), u_int, caddr_t, int);
+__private_extern__ caddr_t m_bigalloc(int);
+__private_extern__ void m_bigfree(caddr_t, u_int, caddr_t);
+__private_extern__ struct mbuf *m_mbigget(struct mbuf *, int);
+__private_extern__ caddr_t m_16kalloc(int);
+__private_extern__ void m_16kfree(caddr_t, u_int, caddr_t);
+__private_extern__ struct mbuf *m_m16kget(struct mbuf *, int);
+
+/* Exported */
struct mbuf *m_copym(struct mbuf *, int, int, int);
struct mbuf *m_split(struct mbuf *, int, int);
struct mbuf *m_free(struct mbuf *);
struct mbuf *m_devget(char *, int, int, struct ifnet *, void (*)(const void *, void *, size_t));
char *mcl_to_paddr(char *);
struct mbuf *m_pulldown(struct mbuf*, int, int, int*);
-struct mbuf *m_aux_add(struct mbuf *, int, int);
-struct mbuf *m_aux_find(struct mbuf *, int, int);
-void m_aux_delete(struct mbuf *, struct mbuf *);
struct mbuf *m_mclget(struct mbuf *, int);
caddr_t m_mclalloc(int);
int m_trailingspace(struct mbuf *);
int m_leadingspace(struct mbuf *);
+struct mbuf *m_normalize(struct mbuf *m);
void m_mchtype(struct mbuf *m, int t);
void m_mcheck(struct mbuf*);
KERNEL_TAG_TYPE_DUMMYNET = 1,
KERNEL_TAG_TYPE_DIVERT = 2,
KERNEL_TAG_TYPE_IPFORWARD = 3,
- KERNEL_TAG_TYPE_IPFILT = 4
+ KERNEL_TAG_TYPE_IPFILT = 4,
+ KERNEL_TAG_TYPE_MACLABEL = 5,
+ KERNEL_TAG_TYPE_MAC_POLICY_LABEL = 6,
+ KERNEL_TAG_TYPE_ENCAP = 8,
+ KERNEL_TAG_TYPE_INET6 = 9,
+ KERNEL_TAG_TYPE_IPSEC = 10
};
/*
projects / apple / xnu.git / blobdiff