#include <sys/cdefs.h>
#include "opt_param.h"
#include "opt_mbuf_stress_test.h"
#include "opt_mbuf_profiling.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/sysctl.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/uio.h>
#include <sys/vmmeter.h>
#include <sys/sbuf.h>
#include <sys/sdt.h>
#include <vm/vm.h>
#include <vm/vm_pageout.h>
#include <vm/vm_page.h>
#include <security/mac/mac_framework.h>

Include dependency graph for uipc_mbuf.c:

Macros
#define	M_SANITY_ACTION(s) printf("mbuf %p: " s, m)

Functions
	__FBSDID ("$FreeBSD$")

	SDT_PROBE_DEFINE5_XLATE (sdt,,, m__init, "struct mbuf ", "mbufinfo_t ", "uint32_t", "uint32_t", "uint16_t", "uint16_t", "uint32_t", "uint32_t", "uint32_t", "uint32_t")

	SDT_PROBE_DEFINE3_XLATE (sdt,,, m__gethdr_raw, "uint32_t", "uint32_t", "uint16_t", "uint16_t", "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE3_XLATE (sdt,,, m__gethdr, "uint32_t", "uint32_t", "uint16_t", "uint16_t", "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE3_XLATE (sdt,,, m__get_raw, "uint32_t", "uint32_t", "uint16_t", "uint16_t", "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE3_XLATE (sdt,,, m__get, "uint32_t", "uint32_t", "uint16_t", "uint16_t", "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE4_XLATE (sdt,,, m__getcl, "uint32_t", "uint32_t", "uint16_t", "uint16_t", "uint32_t", "uint32_t", "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE5_XLATE (sdt,,, m__getjcl, "uint32_t", "uint32_t", "uint16_t", "uint16_t", "uint32_t", "uint32_t", "uint32_t", "uint32_t", "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE3_XLATE (sdt,,, m__clget, "struct mbuf ", "mbufinfo_t ", "uint32_t", "uint32_t", "uint32_t", "uint32_t")

	SDT_PROBE_DEFINE4_XLATE (sdt,,, m__cljget, "struct mbuf ", "mbufinfo_t ", "uint32_t", "uint32_t", "uint32_t", "uint32_t", "void", "void")

	SDT_PROBE_DEFINE (sdt,,, m__cljset)

	SDT_PROBE_DEFINE1_XLATE (sdt,,, m__free, "struct mbuf ", "mbufinfo_t ")

	SDT_PROBE_DEFINE1_XLATE (sdt,,, m__freem, "struct mbuf ", "mbufinfo_t ")

	SYSCTL_INT (_kern_ipc, KIPC_MAX_LINKHDR, max_linkhdr, CTLFLAG_RD, &max_linkhdr, 0, "Size of largest link layer header")

	SYSCTL_INT (_kern_ipc, KIPC_MAX_PROTOHDR, max_protohdr, CTLFLAG_RD, &max_protohdr, 0, "Size of largest protocol layer header")

	SYSCTL_INT (_kern_ipc, KIPC_MAX_HDR, max_hdr, CTLFLAG_RD, &max_hdr, 0, "Size of largest link plus protocol header")

	SYSCTL_INT (_kern_ipc, KIPC_MAX_DATALEN, max_datalen, CTLFLAG_RD, &max_datalen, 0, "Minimum space left in mbuf after max_hdr")

	CTASSERT (MSIZE - offsetof(struct mbuf, m_dat)==MLEN)

	CTASSERT (MSIZE - offsetof(struct mbuf, m_pktdat)==MHLEN)

	CTASSERT (offsetof(struct mbuf, m_dat) % 8==0)

	CTASSERT (offsetof(struct mbuf, m_pktdat) % 8==0)

	CTASSERT (offsetof(struct mbuf, m_dat)==24)

	CTASSERT (sizeof(struct pkthdr)==48)

	CTASSERT (sizeof(struct m_ext)==180)

void	mb_dupcl (struct mbuf n, struct mbuf m)

void	m_demote_pkthdr (struct mbuf *m)

void	m_demote (struct mbuf *m0, int all, int flags)

int	m_sanity (struct mbuf *m0, int sanitize)

int	m_pkthdr_init (struct mbuf *m, int how)

void	m_move_pkthdr (struct mbuf to, struct mbuf from)

int	m_dup_pkthdr (struct mbuf to, const struct mbuf from, int how)

struct mbuf *	m_prepend (struct mbuf *m, int len, int how)

struct mbuf *	m_copym (struct mbuf *m, int off0, int len, int wait)

struct mbuf *	m_copypacket (struct mbuf *m, int how)

static void	m_copyfromunmapped (const struct mbuf *m, int off, int len, caddr_t cp)

void	m_copydata (const struct mbuf *m, int off, int len, caddr_t cp)

struct mbuf *	m_dup (const struct mbuf *m, int how)

void	m_cat (struct mbuf m, struct mbuf n)

void	m_catpkt (struct mbuf m, struct mbuf n)

void	m_adj (struct mbuf *mp, int req_len)

void	m_adj_decap (struct mbuf *mp, int len)

struct mbuf *	m_pullup (struct mbuf *n, int len)

struct mbuf *	m_copyup (struct mbuf *n, int len, int dstoff)

struct mbuf *	m_split (struct mbuf *m0, int len0, int wait)

struct mbuf *	m_devget (char buf, int totlen, int off, struct ifnet ifp, void(copy)(char from, caddr_t to, u_int len))

static void	m_copytounmapped (const struct mbuf *m, int off, int len, c_caddr_t cp)

void	m_copyback (struct mbuf *m0, int off, int len, c_caddr_t cp)

int	m_append (struct mbuf *m0, int len, c_caddr_t cp)

static int	m_apply_extpg_one (struct mbuf m, int off, int len, int(f)(void , void , u_int), void *arg)

static int	m_apply_one (struct mbuf m, int off, int len, int(f)(void , void , u_int), void *arg)

int	m_apply (struct mbuf m, int off, int len, int(f)(void , void , u_int), void *arg)

struct mbuf *	m_getptr (struct mbuf m, int loc, int off)

void	m_print (const struct mbuf *m, int maxlen)

u_int	m_fixhdr (struct mbuf *m0)

u_int	m_length (struct mbuf m0, struct mbuf *last)

struct mbuf *	m_defrag (struct mbuf *m0, int how)

static int	frags_per_mbuf (struct mbuf *m)

struct mbuf *	m_collapse (struct mbuf *m0, int how, int maxfrags)

void	mb_free_mext_pgs (struct mbuf *m)

static struct mbuf *	m_uiotombuf_nomap (struct uio *uio, int how, int len, int maxseg, int flags)

struct mbuf *	m_uiotombuf (struct uio *uio, int how, int len, int align, int flags)

int	m_unmapped_uiomove (const struct mbuf m, int m_off, struct uio uio, int len)

int	m_mbuftouio (struct uio uio, const struct mbuf m, int len)

struct mbuf *	m_unshare (struct mbuf *m0, int how)

Variables
int	max_linkhdr

int	max_protohdr

int	max_hdr

int	max_datalen

Macro Definition Documentation

◆ M_SANITY_ACTION

#define M_SANITY_ACTION ( s ) printf("mbuf %p: " s, m)

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ CTASSERT() [1/7]

CTASSERT ( MSIZE - offsetofstruct mbuf, m_dat = =MLEN )

◆ CTASSERT() [2/7]

CTASSERT ( MSIZE - offsetofstruct mbuf, m_pktdat = =MHLEN )

◆ CTASSERT() [3/7]

CTASSERT ( offsetof(struct mbuf, m_dat) % 8 = =0 )

◆ CTASSERT() [4/7]

CTASSERT ( offsetof(struct mbuf, m_dat) = =24 )

◆ CTASSERT() [5/7]

CTASSERT ( offsetof(struct mbuf, m_pktdat) % 8 = =0 )

◆ CTASSERT() [6/7]

CTASSERT ( sizeof(struct m_ext) = =180 )

◆ CTASSERT() [7/7]

CTASSERT ( sizeof(struct pkthdr) = =48 )

◆ frags_per_mbuf()

static int frags_per_mbuf ( struct mbuf * m )

static

Definition at line 1555 of file uipc_mbuf.c.

Referenced by m_collapse().

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◆ m_adj()

void m_adj	(	struct mbuf *	mp,
		int	req_len
	)

Definition at line 799 of file uipc_mbuf.c.

References count, and m_freem().

Referenced by m_adj_decap(), and m_pulldown().

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◆ m_adj_decap()

void m_adj_decap	(	struct mbuf *	mp,
		int	len
	)

Definition at line 872 of file uipc_mbuf.c.

References m_adj().

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◆ m_append()

int m_append	(	struct mbuf *	m0,
		int	len,
		c_caddr_t	cp
	)

Definition at line 1243 of file uipc_mbuf.c.

◆ m_apply()

int m_apply	(	struct mbuf *	m,
		int	off,
		int	len,
		int()(void , void *, u_int)	f,
		void *	arg
	)

Definition at line 1342 of file uipc_mbuf.c.

References count, and m_apply_one().

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◆ m_apply_extpg_one()

static int m_apply_extpg_one	(	struct mbuf *	m,
		int	off,
		int	len,
		int()(void , void *, u_int)	f,
		void *	arg
	)

static

Definition at line 1282 of file uipc_mbuf.c.

References count.

Referenced by m_apply_one().

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◆ m_apply_one()

static int m_apply_one	(	struct mbuf *	m,
		int	off,
		int	len,
		int()(void , void *, u_int)	f,
		void *	arg
	)

static

Definition at line 1328 of file uipc_mbuf.c.

References m_apply_extpg_one().

Referenced by m_apply().

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◆ m_cat()

void m_cat	(	struct mbuf *	m,
		struct mbuf *	n
	)

Definition at line 762 of file uipc_mbuf.c.

Referenced by m_catpkt(), m_defrag(), and soreceive_stream().

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◆ m_catpkt()

void m_catpkt	(	struct mbuf *	m,
		struct mbuf *	n
	)

Definition at line 786 of file uipc_mbuf.c.

References m_cat(), and m_demote().

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◆ m_collapse()

struct mbuf * m_collapse	(	struct mbuf *	m0,
		int	how,
		int	maxfrags
	)

Definition at line 1589 of file uipc_mbuf.c.

References frags_per_mbuf(), and m_copydata().

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◆ m_copyback()

void m_copyback	(	struct mbuf *	m0,
		int	off,
		int	len,
		c_caddr_t	cp
	)

Definition at line 1184 of file uipc_mbuf.c.

References m_copytounmapped().

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◆ m_copydata()

void m_copydata	(	const struct mbuf *	m,
		int	off,
		int	len,
		caddr_t	cp
	)

Definition at line 654 of file uipc_mbuf.c.

References count, and m_copyfromunmapped().

Referenced by ktls_check_rx(), ktls_decrypt(), m_collapse(), m_common_hash_gethdr(), m_defrag(), m_dup(), m_dup1(), m_pulldown(), mb_unmapped_compress(), sbcompress(), and sbready_compress().

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◆ m_copyfromunmapped()

static void m_copyfromunmapped	(	const struct mbuf *	m,
		int	off,
		int	len,
		caddr_t	cp
	)

static

Definition at line 626 of file uipc_mbuf.c.

References m_unmapped_uiomove().

Referenced by m_copydata().

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◆ m_copym()

struct mbuf * m_copym	(	struct mbuf *	m,
		int	off0,
		int	len,
		int	wait
	)

Definition at line 506 of file uipc_mbuf.c.

References m_dup_pkthdr(), m_freem(), and mb_dupcl().

Referenced by md_get_mbuf(), soreceive_generic(), and soreceive_stream().

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◆ m_copypacket()

struct mbuf * m_copypacket	(	struct mbuf *	m,
		int	how
	)

Definition at line 579 of file uipc_mbuf.c.

References m_dup_pkthdr(), m_freem(), and mb_dupcl().

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◆ m_copytounmapped()

static void m_copytounmapped	(	const struct mbuf *	m,
		int	off,
		int	len,
		c_caddr_t	cp
	)

static

Definition at line 1156 of file uipc_mbuf.c.

References m_unmapped_uiomove().

Referenced by m_copyback().

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◆ m_copyup()

struct mbuf * m_copyup	(	struct mbuf *	n,
		int	len,
		int	dstoff
	)

Definition at line 964 of file uipc_mbuf.c.

References count, m_freem(), m_move_pkthdr(), and max_protohdr.

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◆ m_defrag()

struct mbuf * m_defrag	(	struct mbuf *	m0,
		int	how
	)

Definition at line 1473 of file uipc_mbuf.c.

References m_cat(), m_copydata(), m_dup_pkthdr(), m_fixhdr(), and m_freem().

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◆ m_demote()

void m_demote	(	struct mbuf *	m0,
		int	all,
		int	flags
	)

Definition at line 279 of file uipc_mbuf.c.

References flags, and m_demote_pkthdr().

Referenced by m_catpkt(), and sbappendstream_locked().

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◆ m_demote_pkthdr()

void m_demote_pkthdr ( struct mbuf * m )

Definition at line 262 of file uipc_mbuf.c.

References m_tag_delete_chain().

Referenced by m_demote().

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◆ m_devget()

struct mbuf * m_devget	(	char *	buf,
		int	totlen,
		int	off,
		struct ifnet *	ifp,
		void()(char from, caddr_t to, u_int len)	copy
	)

Definition at line 1095 of file uipc_mbuf.c.

References buf, m_freem(), and max_linkhdr.

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◆ m_dup()

struct mbuf * m_dup	(	const struct mbuf *	m,
		int	how
	)

Definition at line 687 of file uipc_mbuf.c.

References m_copydata(), m_dup_pkthdr(), and m_freem().

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◆ m_dup_pkthdr()

int m_dup_pkthdr	(	struct mbuf *	to,
		const struct mbuf *	from,
		int	how
	)

Definition at line 439 of file uipc_mbuf.c.

References m_tag_copy_chain(), and m_tag_delete_chain().

Referenced by m_copym(), m_copypacket(), m_defrag(), m_dup(), and m_dup1().

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◆ m_fixhdr()

u_int m_fixhdr ( struct mbuf * m0 )

Definition at line 1435 of file uipc_mbuf.c.

References m_length().

Referenced by m_defrag(), and mb_fixhdr().

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◆ m_getptr()

struct mbuf * m_getptr	(	struct mbuf *	m,
		int	loc,
		int *	off
	)

Definition at line 1374 of file uipc_mbuf.c.

◆ m_length()

u_int m_length	(	struct mbuf *	m0,
		struct mbuf **	last
	)

Definition at line 1445 of file uipc_mbuf.c.

Referenced by ktls_detach_record(), m_fixhdr(), sbappendaddr_locked(), sosend_generic(), and vn_sendfile().

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◆ m_mbuftouio()

int m_mbuftouio	(	struct uio *	uio,
		const struct mbuf *	m,
		int	len
	)

Definition at line 1970 of file uipc_mbuf.c.

References m_unmapped_uiomove(), and uiomove().

Referenced by soreceive_stream().

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◆ m_move_pkthdr()

void m_move_pkthdr	(	struct mbuf *	to,
		struct mbuf *	from
	)

Definition at line 403 of file uipc_mbuf.c.

References m_tag_delete_chain().

Referenced by m_copyup(), m_prepend(), m_pullup(), and m_unshare().

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◆ m_pkthdr_init()

int m_pkthdr_init	(	struct mbuf *	m,
		int	how
	)

Definition at line 378 of file uipc_mbuf.c.

◆ m_prepend()

struct mbuf * m_prepend	(	struct mbuf *	m,
		int	len,
		int	how
	)

Definition at line 476 of file uipc_mbuf.c.

References m_freem(), and m_move_pkthdr().

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◆ m_print()

void m_print	(	const struct mbuf *	m,
		int	maxlen
	)

Definition at line 1399 of file uipc_mbuf.c.

References printf().

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◆ m_pullup()

struct mbuf * m_pullup	(	struct mbuf *	n,
		int	len
	)

Definition at line 903 of file uipc_mbuf.c.

References count, m_freem(), m_move_pkthdr(), and max_protohdr.

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◆ m_sanity()

int m_sanity	(	struct mbuf *	m0,
		int	sanitize
	)

Definition at line 302 of file uipc_mbuf.c.

References m_freem(), M_SANITY_ACTION, and m_tag_delete_chain().

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◆ m_split()

struct mbuf * m_split	(	struct mbuf *	m0,
		int	len0,
		int	wait
	)

Definition at line 1013 of file uipc_mbuf.c.

References m_split(), and mb_dupcl().

Referenced by m_split().

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◆ m_uiotombuf()

struct mbuf * m_uiotombuf	(	struct uio *	uio,
		int	how,
		int	len,
		int	align,
		int	flags
	)

Definition at line 1855 of file uipc_mbuf.c.

References flags, m_freem(), m_getm2(), m_uiotombuf_nomap(), and uiomove().

Referenced by sosend_dgram(), sosend_generic(), and vn_sendfile().

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◆ m_uiotombuf_nomap()

static struct mbuf * m_uiotombuf_nomap	(	struct uio *	uio,
		int	how,
		int	len,
		int	maxseg,
		int	flags
	)

static

Definition at line 1767 of file uipc_mbuf.c.

References flags, m_freem(), mb_alloc_ext_pgs(), and mb_free_mext_pgs().

Referenced by m_uiotombuf().

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◆ m_unmapped_uiomove()

int m_unmapped_uiomove	(	const struct mbuf *	m,
		int	m_off,
		struct uio *	uio,
		int	len
	)

Definition at line 1914 of file uipc_mbuf.c.

References uiomove().

Referenced by m_copyfromunmapped(), m_copytounmapped(), m_mbuftouio(), and soreceive_generic().

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◆ m_unshare()

struct mbuf * m_unshare	(	struct mbuf *	m0,
		int	how
	)

Definition at line 2007 of file uipc_mbuf.c.

References m_freem(), and m_move_pkthdr().

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◆ mb_dupcl()

void mb_dupcl	(	struct mbuf *	n,
		struct mbuf *	m
	)

Definition at line 213 of file uipc_mbuf.c.

Referenced by ktls_detach_record(), m_copym(), m_copypacket(), and m_split().

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◆ mb_free_mext_pgs()

void mb_free_mext_pgs ( struct mbuf * m )

Definition at line 1754 of file uipc_mbuf.c.

Referenced by ktls_finish_nonanon(), m_uiotombuf_nomap(), and mb_alloc_ext_plus_pages().

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◆ SDT_PROBE_DEFINE()

SDT_PROBE_DEFINE	(	sdt	,
		m__cljset
	)

◆ SDT_PROBE_DEFINE1_XLATE() [1/2]

SDT_PROBE_DEFINE1_XLATE	(	sdt	,
		m__free	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE1_XLATE() [2/2]

SDT_PROBE_DEFINE1_XLATE	(	sdt	,
		m__freem	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE3_XLATE() [1/5]

SDT_PROBE_DEFINE3_XLATE	(	sdt	,
		m__clget	,
		"struct mbuf *"	,
		"mbufinfo_t *"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"
	)

◆ SDT_PROBE_DEFINE3_XLATE() [2/5]

SDT_PROBE_DEFINE3_XLATE	(	sdt	,
		m__get	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE3_XLATE() [3/5]

SDT_PROBE_DEFINE3_XLATE	(	sdt	,
		m__get_raw	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE3_XLATE() [4/5]

SDT_PROBE_DEFINE3_XLATE	(	sdt	,
		m__gethdr	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE3_XLATE() [5/5]

SDT_PROBE_DEFINE3_XLATE	(	sdt	,
		m__gethdr_raw	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE4_XLATE() [1/2]

SDT_PROBE_DEFINE4_XLATE	(	sdt	,
		m__cljget	,
		"struct mbuf *"	,
		"mbufinfo_t *"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"void*"	,
		"void*"
	)

◆ SDT_PROBE_DEFINE4_XLATE() [2/2]

SDT_PROBE_DEFINE4_XLATE	(	sdt	,
		m__getcl	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE5_XLATE() [1/2]

SDT_PROBE_DEFINE5_XLATE	(	sdt	,
		m__getjcl	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"struct mbuf *"	,
		"mbufinfo_t *"
	)

◆ SDT_PROBE_DEFINE5_XLATE() [2/2]

SDT_PROBE_DEFINE5_XLATE	(	sdt	,
		m__init	,
		"struct mbuf *"	,
		"mbufinfo_t *"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint16_t"	,
		"uint16_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"	,
		"uint32_t"
	)

◆ SYSCTL_INT() [1/4]

SYSCTL_INT	(	_kern_ipc	,
		KIPC_MAX_DATALEN	,
		max_datalen	,
		CTLFLAG_RD	,
		&	max_datalen,
		0	,
		"Minimum space left in mbuf after max_hdr"
	)

◆ SYSCTL_INT() [2/4]

SYSCTL_INT	(	_kern_ipc	,
		KIPC_MAX_HDR	,
		max_hdr	,
		CTLFLAG_RD	,
		&	max_hdr,
		0	,
		"Size of largest link plus protocol header"
	)

◆ SYSCTL_INT() [3/4]

SYSCTL_INT	(	_kern_ipc	,
		KIPC_MAX_LINKHDR	,
		max_linkhdr	,
		CTLFLAG_RD	,
		&	max_linkhdr,
		0	,
		"Size of largest link layer header"
	)

◆ SYSCTL_INT() [4/4]

SYSCTL_INT	(	_kern_ipc	,
		KIPC_MAX_PROTOHDR	,
		max_protohdr	,
		CTLFLAG_RD	,
		&	max_protohdr,
		0	,
		"Size of largest protocol layer header"
	)

Variable Documentation

◆ max_datalen

int max_datalen

Definition at line 123 of file uipc_mbuf.c.

Referenced by domain_init().

◆ max_hdr

int max_hdr

Definition at line 122 of file uipc_mbuf.c.

Referenced by domain_init(), sosend_dgram(), and sosend_generic().

◆ max_linkhdr

int max_linkhdr

Definition at line 120 of file uipc_mbuf.c.

Referenced by domain_init(), domaininit(), and m_devget().

◆ max_protohdr

int max_protohdr

Definition at line 121 of file uipc_mbuf.c.

Referenced by domain_init(), m_copyup(), and m_pullup().

Macros

Functions

Variables

Macro Definition Documentation

◆ M_SANITY_ACTION

Function Documentation

◆ __FBSDID()

◆ CTASSERT() [1/7]

◆ CTASSERT() [2/7]

◆ CTASSERT() [3/7]

◆ CTASSERT() [4/7]

◆ CTASSERT() [5/7]

◆ CTASSERT() [6/7]

◆ CTASSERT() [7/7]

◆ frags_per_mbuf()

◆ m_adj()

◆ m_adj_decap()

◆ m_append()

◆ m_apply()

◆ m_apply_extpg_one()

◆ m_apply_one()

◆ m_cat()

◆ m_catpkt()

◆ m_collapse()

◆ m_copyback()

◆ m_copydata()

◆ m_copyfromunmapped()

◆ m_copym()

◆ m_copypacket()

◆ m_copytounmapped()

◆ m_copyup()

◆ m_defrag()

◆ m_demote()

◆ m_demote_pkthdr()

◆ m_devget()

◆ m_dup()

◆ m_dup_pkthdr()

◆ m_fixhdr()

◆ m_getptr()

◆ m_length()

◆ m_mbuftouio()

◆ m_move_pkthdr()

◆ m_pkthdr_init()

◆ m_prepend()

◆ m_print()

◆ m_pullup()

◆ m_sanity()

◆ m_split()

◆ m_uiotombuf()

◆ m_uiotombuf_nomap()

◆ m_unmapped_uiomove()

◆ m_unshare()

◆ mb_dupcl()

◆ mb_free_mext_pgs()

◆ SDT_PROBE_DEFINE()

◆ SDT_PROBE_DEFINE1_XLATE() [1/2]

◆ SDT_PROBE_DEFINE1_XLATE() [2/2]

◆ SDT_PROBE_DEFINE3_XLATE() [1/5]

◆ SDT_PROBE_DEFINE3_XLATE() [2/5]

◆ SDT_PROBE_DEFINE3_XLATE() [3/5]

◆ SDT_PROBE_DEFINE3_XLATE() [4/5]

◆ SDT_PROBE_DEFINE3_XLATE() [5/5]

◆ SDT_PROBE_DEFINE4_XLATE() [1/2]

◆ SDT_PROBE_DEFINE4_XLATE() [2/2]

◆ SDT_PROBE_DEFINE5_XLATE() [1/2]

◆ SDT_PROBE_DEFINE5_XLATE() [2/2]

◆ SYSCTL_INT() [1/4]

◆ SYSCTL_INT() [2/4]

◆ SYSCTL_INT() [3/4]

◆ SYSCTL_INT() [4/4]

Variable Documentation

◆ max_datalen

◆ max_hdr

◆ max_linkhdr

◆ max_protohdr