#include <sys/cdefs.h>
#include "opt_param.h"
#include "opt_kern_tls.h"
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/domainset.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/domain.h>
#include <sys/eventhandler.h>
#include <sys/kernel.h>
#include <sys/ktls.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/protosw.h>
#include <sys/refcount.h>
#include <sys/sf_buf.h>
#include <sys/smp.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_var.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/vm_kern.h>
#include <vm/vm_page.h>
#include <vm/vm_pageout.h>
#include <vm/vm_map.h>
#include <vm/uma.h>
#include <vm/uma_dbg.h>

Include dependency graph for kern_mbuf.c:

Functions
	__FBSDID ("$FreeBSD$")

static int	sysctl_mb_use_ext_pgs (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern_ipc, OID_AUTO, mb_use_ext_pgs, CTLTYPE_INT\|CTLFLAG_RW, &mb_use_ext_pgs, 0, sysctl_mb_use_ext_pgs, "IU", "Use unmapped mbufs for sendfile(2) and TLS offload")

	SYSCTL_QUAD (_kern_ipc, OID_AUTO, maxmbufmem, CTLFLAG_RDTUN\|CTLFLAG_NOFETCH, &maxmbufmem, 0, "Maximum real memory allocatable to various mbuf types")

	SYSCTL_COUNTER_U64 (_kern_ipc, OID_AUTO, num_snd_tags, CTLFLAG_RW, &snd_tag_count, "# of active mbuf send tags")

static void	tunable_mbinit (void *dummy)

	SYSINIT (tunable_mbinit, SI_SUB_KMEM, SI_ORDER_MIDDLE, tunable_mbinit, NULL)

static int	sysctl_nmbclusters (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern_ipc, OID_AUTO, nmbclusters, CTLTYPE_INT\|CTLFLAG_RW\|CTLFLAG_MPSAFE, &nmbclusters, 0, sysctl_nmbclusters, "IU", "Maximum number of mbuf clusters allowed")

static int	sysctl_nmbjumbop (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern_ipc, OID_AUTO, nmbjumbop, CTLTYPE_INT\|CTLFLAG_RW\|CTLFLAG_MPSAFE, &nmbjumbop, 0, sysctl_nmbjumbop, "IU", "Maximum number of mbuf page size jumbo clusters allowed")

static int	sysctl_nmbjumbo9 (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern_ipc, OID_AUTO, nmbjumbo9, CTLTYPE_INT\|CTLFLAG_RW\|CTLFLAG_MPSAFE, &nmbjumbo9, 0, sysctl_nmbjumbo9, "IU", "Maximum number of mbuf 9k jumbo clusters allowed")

static int	sysctl_nmbjumbo16 (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern_ipc, OID_AUTO, nmbjumbo16, CTLTYPE_INT\|CTLFLAG_RW\|CTLFLAG_MPSAFE, &nmbjumbo16, 0, sysctl_nmbjumbo16, "IU", "Maximum number of mbuf 16k jumbo clusters allowed")

static int	sysctl_nmbufs (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern_ipc, OID_AUTO, nmbufs, CTLTYPE_INT\|CTLFLAG_RW\|CTLFLAG_MPSAFE, &nmbufs, 0, sysctl_nmbufs, "IU", "Maximum number of mbufs allowed")

static int	mb_ctor_mbuf (void , int, void , int)

static int	mb_ctor_clust (void , int, void , int)

static int	mb_ctor_pack (void , int, void , int)

static void	mb_dtor_mbuf (void , int, void )

static void	mb_dtor_pack (void , int, void )

static int	mb_zinit_pack (void *, int, int)

static void	mb_zfini_pack (void *, int)

static void	mb_reclaim (uma_zone_t, int)

	CTASSERT ((((MSIZE - 1) ^ MSIZE)+1) > > 1==MSIZE)

	_Static_assert (sizeof(struct mbuf)<=MSIZE, "size of mbuf exceeds MSIZE")

static void	mbuf_init (void *dummy)

	SYSINIT (mbuf, SI_SUB_MBUF, SI_ORDER_FIRST, mbuf_init, NULL)

static void	mb_reclaim (uma_zone_t zone __unused, int pending __unused)

void	mb_free_notready (struct mbuf *m, int count)

int	mb_unmapped_compress (struct mbuf *m)

static void	mb_unmapped_free_mext (struct mbuf *m)

static struct mbuf *	_mb_unmapped_to_ext (struct mbuf *m)

struct mbuf *	mb_unmapped_to_ext (struct mbuf *top)

struct mbuf *	mb_alloc_ext_pgs (int how, m_ext_free_t ext_free)

void	mb_free_ext (struct mbuf *m)

void	mb_free_extpg (struct mbuf *m)

int	m_clget (struct mbuf *m, int how)

void *	m_cljget (struct mbuf *m, int how, int size)

struct mbuf *	m_get2 (int size, int how, short type, int flags)

struct mbuf *	m_get3 (int size, int how, short type, int flags)

struct mbuf *	m_getjcl (int how, short type, int flags, int size)

struct mbuf *	m_getm2 (struct mbuf *m, int len, int how, short type, int flags)

void	m_extadd (struct mbuf mb, char buf, u_int size, m_ext_free_t freef, void arg1, void arg2, int flags, int type)

void	m_freem (struct mbuf *mb)

void	m_free_raw (struct mbuf *mb)

int	m_snd_tag_alloc (struct ifnet ifp, union if_snd_tag_alloc_params params, struct m_snd_tag **mstp)

void	m_snd_tag_init (struct m_snd_tag mst, struct ifnet ifp, const struct if_snd_tag_sw *sw)

void	m_snd_tag_destroy (struct m_snd_tag *mst)

void	m_rcvif_serialize (struct mbuf *m)

struct ifnet *	m_rcvif_restore (struct mbuf *m)

struct mbuf *	mb_alloc_ext_plus_pages (int len, int how)

struct mbuf *	mb_mapped_to_unmapped (struct mbuf mp, int len, int mlen, int how, struct mbuf *mlast)

Variables
int	nmbufs

int	nmbclusters

int	nmbjumbop

int	nmbjumbo9

int	nmbjumbo16

bool	mb_use_ext_pgs = false

static quad_t	maxmbufmem

static counter_u64_t	snd_tag_count

uma_zone_t	zone_mbuf

uma_zone_t	zone_clust

uma_zone_t	zone_pack

uma_zone_t	zone_jumbop

uma_zone_t	zone_jumbo9

uma_zone_t	zone_jumbo16

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ _mb_unmapped_to_ext()

static struct mbuf * _mb_unmapped_to_ext ( struct mbuf * m )

static

Definition at line 963 of file kern_mbuf.c.

References m_extadd(), m_freem(), mb_unmapped_free_mext(), and sf_buf_alloc().

Referenced by mb_unmapped_to_ext().

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◆ _Static_assert()

_Static_assert	(	sizeof(struct mbuf)<=	MSIZE,
		"size of mbuf exceeds MSIZE"
	)

◆ CTASSERT()

CTASSERT	(	(((MSIZE - 1) ^ MSIZE)+1)	,
		1	= `=MSIZE`
	)

◆ m_clget()

int m_clget	(	struct mbuf *	m,
		int	how
	)

Definition at line 1323 of file kern_mbuf.c.

References zone_clust, and zone_pack.

◆ m_cljget()

void * m_cljget	(	struct mbuf *	m,
		int	how,
		int	size
	)

Definition at line 1350 of file kern_mbuf.c.

◆ m_extadd()

void m_extadd	(	struct mbuf *	mb,
		char *	buf,
		u_int	size,
		m_ext_free_t	freef,
		void *	arg1,
		void *	arg2,
		int	flags,
		int	type
	)

Definition at line 1560 of file kern_mbuf.c.

References buf, flags, and type.

Referenced by _mb_unmapped_to_ext().

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◆ m_free_raw()

void m_free_raw ( struct mbuf * mb )

Definition at line 1599 of file kern_mbuf.c.

References zone_mbuf.

Referenced by ktls_work_thread(), m_get2(), m_get3(), m_getjcl(), mb_free_ext(), and mb_free_extpg().

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◆ m_freem()

void m_freem ( struct mbuf * mb )

Definition at line 1587 of file kern_mbuf.c.

Referenced by _mb_unmapped_to_ext(), kern_recvit(), kern_sendit(), ktls_decrypt(), m_adj(), m_copym(), m_copypacket(), m_copyup(), m_defrag(), m_devget(), m_dup(), m_getm2(), m_prepend(), m_pulldown(), m_pullup(), m_sanity(), m_uiotombuf(), m_uiotombuf_nomap(), m_unshare(), mb_done(), mb_mapped_to_unmapped(), mb_unmapped_to_ext(), md_done(), pru_send_notsupp(), sbdrop(), sbdrop_locked(), sbflush_internal(), soopt_getm(), soopt_mcopyin(), soopt_mcopyout(), soreceive_dgram(), soreceive_generic(), soreceive_rcvoob(), sosend_dgram(), sosend_generic(), uipc_send(), unp_externalize(), unp_internalize(), and vn_sendfile().

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◆ m_get2()

struct mbuf * m_get2	(	int	size,
		int	how,
		short	type,
		int	flags
	)

Definition at line 1373 of file kern_mbuf.c.

References flags, m_free_raw(), type, zone_jumbop, zone_mbuf, and zone_pack.

Referenced by m_get3(), and sockargs().

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◆ m_get3()

struct mbuf * m_get3	(	int	size,
		int	how,
		short	type,
		int	flags
	)

Definition at line 1407 of file kern_mbuf.c.

References flags, m_free_raw(), m_get2(), type, zone_jumbo16, zone_jumbo9, and zone_mbuf.

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◆ m_getjcl()

struct mbuf * m_getjcl	(	int	how,
		short	type,
		int	flags,
		int	size
	)

Definition at line 1445 of file kern_mbuf.c.

References flags, m_free_raw(), type, and zone_mbuf.

Referenced by m_getm2().

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◆ m_getm2()

struct mbuf * m_getm2	(	struct mbuf *	m,
		int	len,
		int	how,
		short	type,
		int	flags
	)

Definition at line 1478 of file kern_mbuf.c.

References flags, m_freem(), m_getjcl(), and type.

Referenced by m_uiotombuf().

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◆ m_rcvif_restore()

struct ifnet * m_rcvif_restore ( struct mbuf * m )

Definition at line 1651 of file kern_mbuf.c.

◆ m_rcvif_serialize()

void m_rcvif_serialize ( struct mbuf * m )

Definition at line 1639 of file kern_mbuf.c.

◆ m_snd_tag_alloc()

int m_snd_tag_alloc	(	struct ifnet *	ifp,
		union if_snd_tag_alloc_params *	params,
		struct m_snd_tag **	mstp
	)

Definition at line 1606 of file kern_mbuf.c.

◆ m_snd_tag_destroy()

void m_snd_tag_destroy ( struct m_snd_tag * mst )

Definition at line 1628 of file kern_mbuf.c.

References snd_tag_count.

◆ m_snd_tag_init()

void m_snd_tag_init	(	struct m_snd_tag *	mst,
		struct ifnet *	ifp,
		const struct if_snd_tag_sw *	sw
	)

Definition at line 1616 of file kern_mbuf.c.

References snd_tag_count.

◆ mb_alloc_ext_pgs()

struct mbuf * mb_alloc_ext_pgs	(	int	how,
		m_ext_free_t	ext_free
	)

Definition at line 1145 of file kern_mbuf.c.

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

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◆ mb_alloc_ext_plus_pages()

struct mbuf * mb_alloc_ext_plus_pages	(	int	len,
		int	how
	)

Definition at line 1669 of file kern_mbuf.c.

References mb_alloc_ext_pgs(), and mb_free_mext_pgs().

Referenced by mb_mapped_to_unmapped().

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◆ mb_ctor_clust()

static int mb_ctor_clust	(	void *	mem,
		int	size,
		void *	arg,
		int	how
	)

static

Definition at line 738 of file kern_mbuf.c.

Referenced by mbuf_init().

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◆ mb_ctor_mbuf()

static int mb_ctor_mbuf	(	void *	mem,
		int	size,
		void *	arg,
		int	how
	)

static

Definition at line 649 of file kern_mbuf.c.

References flags, and type.

Referenced by mbuf_init().

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◆ mb_ctor_pack()

static int mb_ctor_pack	(	void *	mem,
		int	size,
		void *	arg,
		int	how
	)

static

Definition at line 802 of file kern_mbuf.c.

References flags, and type.

Referenced by mbuf_init().

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◆ mb_dtor_mbuf()

static void mb_dtor_mbuf	(	void *	mem,
		int	size,
		void *	arg
	)

static

Definition at line 680 of file kern_mbuf.c.

References flags, and m_tag_delete_chain().

Referenced by mbuf_init().

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◆ mb_dtor_pack()

static void mb_dtor_pack	(	void *	mem,
		int	size,
		void *	arg
	)

static

Definition at line 698 of file kern_mbuf.c.

References m_tag_delete_chain(), zone_clust, and zone_pack.

Referenced by mbuf_init().

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◆ mb_free_ext()

void mb_free_ext ( struct mbuf * m )

Definition at line 1176 of file kern_mbuf.c.

References m_free_raw(), zone_clust, zone_jumbo16, zone_jumbo9, zone_jumbop, and zone_pack.

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◆ mb_free_extpg()

void mb_free_extpg ( struct mbuf * m )

Definition at line 1269 of file kern_mbuf.c.

References ktls_enqueue_to_free(), and m_free_raw().

Referenced by mb_unmapped_free_mext().

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◆ mb_free_notready()

void mb_free_notready	(	struct mbuf *	m,
		int	count
	)

Definition at line 859 of file kern_mbuf.c.

References count.

Referenced by ktls_encrypt(), ktls_encrypt_async(), ktls_encrypt_cb(), and sendfile_iodone().

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◆ mb_mapped_to_unmapped()

struct mbuf * mb_mapped_to_unmapped	(	struct mbuf *	mp,
		int	len,
		int	mlen,
		int	how,
		struct mbuf **	mlast
	)

Definition at line 1706 of file kern_mbuf.c.

References m_freem(), and mb_alloc_ext_plus_pages().

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◆ mb_reclaim() [1/2]

static void mb_reclaim	(	uma_zone_t zone	__unused,
		int pending	__unused
	)

static

Definition at line 837 of file kern_mbuf.c.

References domain, and pr.

◆ mb_reclaim() [2/2]

static void mb_reclaim	(	uma_zone_t	,
		int
	)

static

Referenced by mbuf_init().

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◆ mb_unmapped_compress()

int mb_unmapped_compress ( struct mbuf * m )

Definition at line 882 of file kern_mbuf.c.

References buf, and m_copydata().

Referenced by sbcompress(), and sbready_compress().

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◆ mb_unmapped_free_mext()

static void mb_unmapped_free_mext ( struct mbuf * m )

static

Definition at line 949 of file kern_mbuf.c.

References mb_free_extpg(), and sf_buf_free().

Referenced by _mb_unmapped_to_ext().

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◆ mb_unmapped_to_ext()

struct mbuf * mb_unmapped_to_ext ( struct mbuf * top )

Definition at line 1094 of file kern_mbuf.c.

References _mb_unmapped_to_ext(), and m_freem().

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◆ mb_zfini_pack()

static void mb_zfini_pack	(	void *	mem,
		int	size
	)

static

Definition at line 784 of file kern_mbuf.c.

References zone_clust.

Referenced by mbuf_init().

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◆ mb_zinit_pack()

static int mb_zinit_pack	(	void *	mem,
		int	size,
		int	how
	)

static

Definition at line 764 of file kern_mbuf.c.

References zone_clust.

Referenced by mbuf_init().

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◆ mbuf_init()

static void mbuf_init ( void * dummy )

static

Definition at line 349 of file kern_mbuf.c.

References counter_u64_alloc(), mb_ctor_clust(), mb_ctor_mbuf(), mb_ctor_pack(), mb_dtor_mbuf(), mb_dtor_pack(), mb_reclaim(), mb_zfini_pack(), mb_zinit_pack(), nmbclusters, nmbjumbo16, nmbjumbo9, nmbjumbop, nmbufs, snd_tag_count, zone_clust, zone_jumbo16, zone_jumbo9, zone_jumbop, zone_mbuf, and zone_pack.

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◆ SYSCTL_COUNTER_U64()

SYSCTL_COUNTER_U64	(	_kern_ipc	,
		OID_AUTO	,
		num_snd_tags	,
		CTLFLAG_RW	,
		&	snd_tag_count,
		"# of active mbuf send tags"
	)

◆ sysctl_mb_use_ext_pgs()

static int sysctl_mb_use_ext_pgs ( SYSCTL_HANDLER_ARGS )

static

Definition at line 122 of file kern_mbuf.c.

References mb_use_ext_pgs, and sysctl_handle_int().

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◆ sysctl_nmbclusters()

static int sysctl_nmbclusters ( SYSCTL_HANDLER_ARGS )

static

Definition at line 208 of file kern_mbuf.c.

References nmbclusters, nmbjumbo16, nmbjumbo9, nmbjumbop, nmbufs, sysctl_handle_int(), and zone_clust.

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◆ sysctl_nmbjumbo16()

static int sysctl_nmbjumbo16 ( SYSCTL_HANDLER_ARGS )

static

Definition at line 275 of file kern_mbuf.c.

References nmbclusters, nmbjumbo16, nmbjumbo9, nmbjumbop, nmbufs, sysctl_handle_int(), and zone_jumbo16.

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◆ sysctl_nmbjumbo9()

static int sysctl_nmbjumbo9 ( SYSCTL_HANDLER_ARGS )

static

Definition at line 253 of file kern_mbuf.c.

References nmbclusters, nmbjumbo16, nmbjumbo9, nmbjumbop, nmbufs, sysctl_handle_int(), and zone_jumbo9.

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◆ sysctl_nmbjumbop()

static int sysctl_nmbjumbop ( SYSCTL_HANDLER_ARGS )

static

Definition at line 231 of file kern_mbuf.c.

References nmbclusters, nmbjumbo16, nmbjumbo9, nmbjumbop, nmbufs, sysctl_handle_int(), and zone_jumbop.

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◆ sysctl_nmbufs()

static int sysctl_nmbufs ( SYSCTL_HANDLER_ARGS )

static

Definition at line 297 of file kern_mbuf.c.

References nmbufs, sysctl_handle_int(), and zone_mbuf.

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◆ SYSCTL_PROC() [1/6]

SYSCTL_PROC	(	_kern_ipc	,
		OID_AUTO	,
		mb_use_ext_pgs	,
		CTLTYPE_INT\|	CTLFLAG_RW,
		&	mb_use_ext_pgs,
		0	,
		sysctl_mb_use_ext_pgs	,
		"IU"	,
		"Use unmapped mbufs for sendfile(2) and TLS offload"
	)

◆ SYSCTL_PROC() [2/6]

SYSCTL_PROC	(	_kern_ipc	,
		OID_AUTO	,
		nmbclusters	,
		CTLTYPE_INT\|CTLFLAG_RW\|	CTLFLAG_MPSAFE,
		&	nmbclusters,
		0	,
		sysctl_nmbclusters	,
		"IU"	,
		"Maximum number of mbuf clusters allowed"
	)

◆ SYSCTL_PROC() [3/6]

SYSCTL_PROC	(	_kern_ipc	,
		OID_AUTO	,
		nmbjumbo16	,
		CTLTYPE_INT\|CTLFLAG_RW\|	CTLFLAG_MPSAFE,
		&	nmbjumbo16,
		0	,
		sysctl_nmbjumbo16	,
		"IU"	,
		"Maximum number of mbuf 16k jumbo clusters allowed"
	)

◆ SYSCTL_PROC() [4/6]

SYSCTL_PROC	(	_kern_ipc	,
		OID_AUTO	,
		nmbjumbo9	,
		CTLTYPE_INT\|CTLFLAG_RW\|	CTLFLAG_MPSAFE,
		&	nmbjumbo9,
		0	,
		sysctl_nmbjumbo9	,
		"IU"	,
		"Maximum number of mbuf 9k jumbo clusters allowed"
	)

◆ SYSCTL_PROC() [5/6]

SYSCTL_PROC	(	_kern_ipc	,
		OID_AUTO	,
		nmbjumbop	,
		CTLTYPE_INT\|CTLFLAG_RW\|	CTLFLAG_MPSAFE,
		&	nmbjumbop,
		0	,
		sysctl_nmbjumbop	,
		"IU"	,
		"Maximum number of mbuf page size jumbo clusters allowed"
	)

◆ SYSCTL_PROC() [6/6]

SYSCTL_PROC	(	_kern_ipc	,
		OID_AUTO	,
		nmbufs	,
		CTLTYPE_INT\|CTLFLAG_RW\|	CTLFLAG_MPSAFE,
		&	nmbufs,
		0	,
		sysctl_nmbufs	,
		"IU"	,
		"Maximum number of mbufs allowed"
	)

◆ SYSCTL_QUAD()

SYSCTL_QUAD	(	_kern_ipc	,
		OID_AUTO	,
		maxmbufmem	,
		CTLFLAG_RDTUN\|	CTLFLAG_NOFETCH,
		&	maxmbufmem,
		0	,
		"Maximum real memory allocatable to various mbuf types"
	)

◆ SYSINIT() [1/2]

SYSINIT	(	mbuf	,
		SI_SUB_MBUF	,
		SI_ORDER_FIRST	,
		mbuf_init	,
		NULL
	)

◆ SYSINIT() [2/2]

SYSINIT	(	tunable_mbinit	,
		SI_SUB_KMEM	,
		SI_ORDER_MIDDLE	,
		tunable_mbinit	,
		NULL
	)

◆ tunable_mbinit()

static void tunable_mbinit ( void * dummy )

static

Definition at line 154 of file kern_mbuf.c.

References maxmbufmem, mb_use_ext_pgs, nmbclusters, nmbjumbo16, nmbjumbo9, nmbjumbop, nmbufs, realmem, and vm_kmem_size.

Variable Documentation

◆ maxmbufmem

quad_t maxmbufmem

static

Definition at line 141 of file kern_mbuf.c.

Referenced by tunable_mbinit().

◆ mb_use_ext_pgs

bool mb_use_ext_pgs = false

Definition at line 119 of file kern_mbuf.c.

Referenced by sysctl_mb_use_ext_pgs(), tunable_mbinit(), and vn_sendfile().

◆ nmbclusters

int nmbclusters

Definition at line 114 of file kern_mbuf.c.

Referenced by mbuf_init(), sysctl_nmbclusters(), sysctl_nmbjumbo16(), sysctl_nmbjumbo9(), sysctl_nmbjumbop(), and tunable_mbinit().

◆ nmbjumbo16

int nmbjumbo16

Definition at line 117 of file kern_mbuf.c.

Referenced by mbuf_init(), sysctl_nmbclusters(), sysctl_nmbjumbo16(), sysctl_nmbjumbo9(), sysctl_nmbjumbop(), and tunable_mbinit().

◆ nmbjumbo9

int nmbjumbo9

Definition at line 116 of file kern_mbuf.c.

Referenced by mbuf_init(), sysctl_nmbclusters(), sysctl_nmbjumbo16(), sysctl_nmbjumbo9(), sysctl_nmbjumbop(), and tunable_mbinit().

◆ nmbjumbop

int nmbjumbop

Definition at line 115 of file kern_mbuf.c.

Referenced by mbuf_init(), sysctl_nmbclusters(), sysctl_nmbjumbo16(), sysctl_nmbjumbo9(), sysctl_nmbjumbop(), and tunable_mbinit().

◆ nmbufs

int nmbufs

Definition at line 113 of file kern_mbuf.c.

Referenced by mbuf_init(), sysctl_nmbclusters(), sysctl_nmbjumbo16(), sysctl_nmbjumbo9(), sysctl_nmbjumbop(), sysctl_nmbufs(), and tunable_mbinit().

◆ snd_tag_count

counter_u64_t snd_tag_count

static

Definition at line 146 of file kern_mbuf.c.

Referenced by m_snd_tag_destroy(), m_snd_tag_init(), and mbuf_init().

◆ zone_clust

uma_zone_t zone_clust

Definition at line 322 of file kern_mbuf.c.

Referenced by m_clget(), mb_dtor_pack(), mb_free_ext(), mb_zfini_pack(), mb_zinit_pack(), mbuf_init(), and sysctl_nmbclusters().

◆ zone_jumbo16

uma_zone_t zone_jumbo16

Definition at line 326 of file kern_mbuf.c.

Referenced by m_get3(), mb_free_ext(), mbuf_init(), and sysctl_nmbjumbo16().

◆ zone_jumbo9

uma_zone_t zone_jumbo9

Definition at line 325 of file kern_mbuf.c.

Referenced by m_get3(), mb_free_ext(), mbuf_init(), and sysctl_nmbjumbo9().

◆ zone_jumbop

uma_zone_t zone_jumbop

Definition at line 324 of file kern_mbuf.c.

Referenced by m_get2(), mb_free_ext(), mbuf_init(), and sysctl_nmbjumbop().

◆ zone_mbuf

uma_zone_t zone_mbuf

Definition at line 321 of file kern_mbuf.c.

Referenced by m_free_raw(), m_get2(), m_get3(), m_getjcl(), mbuf_init(), and sysctl_nmbufs().

◆ zone_pack

uma_zone_t zone_pack

Definition at line 323 of file kern_mbuf.c.

Referenced by m_clget(), m_get2(), mb_dtor_pack(), mb_free_ext(), and mbuf_init().

Functions

Variables

Function Documentation

◆ __FBSDID()

◆ _mb_unmapped_to_ext()

◆ _Static_assert()

◆ CTASSERT()

◆ m_clget()

◆ m_cljget()

◆ m_extadd()

◆ m_free_raw()

◆ m_freem()

◆ m_get2()

◆ m_get3()

◆ m_getjcl()

◆ m_getm2()

◆ m_rcvif_restore()

◆ m_rcvif_serialize()

◆ m_snd_tag_alloc()

◆ m_snd_tag_destroy()

◆ m_snd_tag_init()

◆ mb_alloc_ext_pgs()

◆ mb_alloc_ext_plus_pages()

◆ mb_ctor_clust()

◆ mb_ctor_mbuf()

◆ mb_ctor_pack()

◆ mb_dtor_mbuf()

◆ mb_dtor_pack()

◆ mb_free_ext()

◆ mb_free_extpg()

◆ mb_free_notready()

◆ mb_mapped_to_unmapped()

◆ mb_reclaim() [1/2]

◆ mb_reclaim() [2/2]

◆ mb_unmapped_compress()

◆ mb_unmapped_free_mext()

◆ mb_unmapped_to_ext()

◆ mb_zfini_pack()

◆ mb_zinit_pack()

◆ mbuf_init()

◆ SYSCTL_COUNTER_U64()

◆ sysctl_mb_use_ext_pgs()

◆ sysctl_nmbclusters()

◆ sysctl_nmbjumbo16()

◆ sysctl_nmbjumbo9()

◆ sysctl_nmbjumbop()

◆ sysctl_nmbufs()

◆ SYSCTL_PROC() [1/6]

◆ SYSCTL_PROC() [2/6]

◆ SYSCTL_PROC() [3/6]

◆ SYSCTL_PROC() [4/6]

◆ SYSCTL_PROC() [5/6]

◆ SYSCTL_PROC() [6/6]

◆ SYSCTL_QUAD()

◆ SYSINIT() [1/2]

◆ SYSINIT() [2/2]

◆ tunable_mbinit()

Variable Documentation

◆ maxmbufmem

◆ mb_use_ext_pgs

◆ nmbclusters

◆ nmbjumbo16

◆ nmbjumbo9

◆ nmbjumbop

◆ nmbufs

◆ snd_tag_count

◆ zone_clust

◆ zone_jumbo16

◆ zone_jumbo9

◆ zone_jumbop

◆ zone_mbuf

◆ zone_pack