mirror of
https://github.com/freebsd/freebsd-src.git
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Factor sockbuf, sockopt, and sockstate out of socketvar.h in to separate headers.
Reviewed by: rwatson MFC after: 3 days
This commit is contained in:
Kip Macy
parent
ad49039e07
commit
66a4ba6246
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=180948
198
sys/sys/sockbuf.h
Normal file
198
sys/sys/sockbuf.h
Normal file
@ -0,0 +1,198 @@
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/*-
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)socketvar.h 8.3 (Berkeley) 2/19/95
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_SOCKBUF_H_
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#define _SYS_SOCKBUF_H_
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#define SB_MAX (256*1024) /* default for max chars in sockbuf */
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/*
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* Constants for sb_flags field of struct sockbuf.
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*/
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#define SB_WAIT 0x04 /* someone is waiting for data/space */
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#define SB_SEL 0x08 /* someone is selecting */
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#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
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#define SB_UPCALL 0x20 /* someone wants an upcall */
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#define SB_NOINTR 0x40 /* operations not interruptible */
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#define SB_AIO 0x80 /* AIO operations queued */
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#define SB_KNOTE 0x100 /* kernel note attached */
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#define SB_NOCOALESCE 0x200 /* don't coalesce new data into existing mbufs */
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#define SB_IN_TOE 0x400 /* socket buffer is in the middle of an operation */
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#define SB_AUTOSIZE 0x800 /* automatically size socket buffer */
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#define SBS_CANTSENDMORE 0x0010 /* can't send more data to peer */
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#define SBS_CANTRCVMORE 0x0020 /* can't receive more data from peer */
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#define SBS_RCVATMARK 0x0040 /* at mark on input */
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struct socket;
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struct sockaddr;
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struct mbuf;
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struct xsockbuf {
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u_int sb_cc;
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u_int sb_hiwat;
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u_int sb_mbcnt;
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u_int sb_mcnt;
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u_int sb_ccnt;
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u_int sb_mbmax;
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int sb_lowat;
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int sb_timeo;
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short sb_flags;
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};
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/*
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* Variables for socket buffering.
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*/
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struct sockbuf {
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struct selinfo sb_sel; /* process selecting read/write */
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struct mtx sb_mtx; /* sockbuf lock */
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struct sx sb_sx; /* prevent I/O interlacing */
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short sb_state; /* (c/d) socket state on sockbuf */
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#define sb_startzero sb_mb
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struct mbuf *sb_mb; /* (c/d) the mbuf chain */
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struct mbuf *sb_mbtail; /* (c/d) the last mbuf in the chain */
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struct mbuf *sb_lastrecord; /* (c/d) first mbuf of last
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* record in socket buffer */
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struct mbuf *sb_sndptr; /* (c/d) pointer into mbuf chain */
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u_int sb_sndptroff; /* (c/d) byte offset of ptr into chain */
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u_int sb_cc; /* (c/d) actual chars in buffer */
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u_int sb_hiwat; /* (c/d) max actual char count */
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u_int sb_mbcnt; /* (c/d) chars of mbufs used */
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u_int sb_mcnt; /* (c/d) number of mbufs in buffer */
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u_int sb_ccnt; /* (c/d) number of clusters in buffer */
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u_int sb_mbmax; /* (c/d) max chars of mbufs to use */
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u_int sb_ctl; /* (c/d) non-data chars in buffer */
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int sb_lowat; /* (c/d) low water mark */
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int sb_timeo; /* (c/d) timeout for read/write */
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short sb_flags; /* (c/d) flags, see below */
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};
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void sbappend(struct sockbuf *sb, struct mbuf *m);
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void sbappend_locked(struct sockbuf *sb, struct mbuf *m);
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void sbappendstream(struct sockbuf *sb, struct mbuf *m);
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void sbappendstream_locked(struct sockbuf *sb, struct mbuf *m);
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int sbappendaddr(struct sockbuf *sb, const struct sockaddr *asa,
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struct mbuf *m0, struct mbuf *control);
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int sbappendaddr_locked(struct sockbuf *sb, const struct sockaddr *asa,
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struct mbuf *m0, struct mbuf *control);
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int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
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struct mbuf *control);
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int sbappendcontrol_locked(struct sockbuf *sb, struct mbuf *m0,
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struct mbuf *control);
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void sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
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void sbappendrecord_locked(struct sockbuf *sb, struct mbuf *m0);
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void sbcheck(struct sockbuf *sb);
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void sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n);
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struct mbuf *
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sbcreatecontrol(caddr_t p, int size, int type, int level);
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void sbdestroy(struct sockbuf *sb, struct socket *so);
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void sbdrop(struct sockbuf *sb, int len);
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void sbdrop_locked(struct sockbuf *sb, int len);
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void sbdroprecord(struct sockbuf *sb);
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void sbdroprecord_locked(struct sockbuf *sb);
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void sbflush(struct sockbuf *sb);
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void sbflush_locked(struct sockbuf *sb);
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void sbrelease(struct sockbuf *sb, struct socket *so);
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void sbrelease_internal(struct sockbuf *sb, struct socket *so);
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void sbrelease_locked(struct sockbuf *sb, struct socket *so);
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int sbreserve(struct sockbuf *sb, u_long cc, struct socket *so,
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struct thread *td);
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int sbreserve_locked(struct sockbuf *sb, u_long cc, struct socket *so,
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struct thread *td);
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struct mbuf *
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sbsndptr(struct sockbuf *sb, u_int off, u_int len, u_int *moff);
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void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
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int sbwait(struct sockbuf *sb);
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int sblock(struct sockbuf *sb, int flags);
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void sbunlock(struct sockbuf *sb);
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/*
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* How much space is there in a socket buffer (so->so_snd or so->so_rcv)?
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* This is problematical if the fields are unsigned, as the space might
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* still be negative (cc > hiwat or mbcnt > mbmax). Should detect
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* overflow and return 0. Should use "lmin" but it doesn't exist now.
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*/
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#define sbspace(sb) \
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((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \
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(int)((sb)->sb_mbmax - (sb)->sb_mbcnt)))
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/* adjust counters in sb reflecting allocation of m */
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#define sballoc(sb, m) { \
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(sb)->sb_cc += (m)->m_len; \
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if ((m)->m_type != MT_DATA && (m)->m_type != MT_OOBDATA) \
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(sb)->sb_ctl += (m)->m_len; \
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(sb)->sb_mbcnt += MSIZE; \
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(sb)->sb_mcnt += 1; \
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if ((m)->m_flags & M_EXT) { \
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(sb)->sb_mbcnt += (m)->m_ext.ext_size; \
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(sb)->sb_ccnt += 1; \
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} \
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}
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/* adjust counters in sb reflecting freeing of m */
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#define sbfree(sb, m) { \
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(sb)->sb_cc -= (m)->m_len; \
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if ((m)->m_type != MT_DATA && (m)->m_type != MT_OOBDATA) \
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(sb)->sb_ctl -= (m)->m_len; \
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(sb)->sb_mbcnt -= MSIZE; \
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(sb)->sb_mcnt -= 1; \
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if ((m)->m_flags & M_EXT) { \
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(sb)->sb_mbcnt -= (m)->m_ext.ext_size; \
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(sb)->sb_ccnt -= 1; \
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} \
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if ((sb)->sb_sndptr == (m)) { \
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(sb)->sb_sndptr = NULL; \
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(sb)->sb_sndptroff = 0; \
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} \
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if ((sb)->sb_sndptroff != 0) \
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(sb)->sb_sndptroff -= (m)->m_len; \
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}
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#define SB_EMPTY_FIXUP(sb) do { \
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if ((sb)->sb_mb == NULL) { \
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(sb)->sb_mbtail = NULL; \
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(sb)->sb_lastrecord = NULL; \
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} \
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} while (/*CONSTCOND*/0)
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#ifdef SOCKBUF_DEBUG
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void sblastrecordchk(struct sockbuf *, const char *, int);
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#define SBLASTRECORDCHK(sb) sblastrecordchk((sb), __FILE__, __LINE__)
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void sblastmbufchk(struct sockbuf *, const char *, int);
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#define SBLASTMBUFCHK(sb) sblastmbufchk((sb), __FILE__, __LINE__)
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#else
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#define SBLASTRECORDCHK(sb) /* nothing */
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#define SBLASTMBUFCHK(sb) /* nothing */
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#endif /* SOCKBUF_DEBUG */
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#endif /* _SYS_SOCKBUF_H_ */
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@ -27,6 +27,7 @@
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* SUCH DAMAGE.
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*
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* @(#)socketvar.h 8.3 (Berkeley) 2/19/95
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*
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* $FreeBSD$
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*/
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@ -38,6 +39,11 @@
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#include <sys/_lock.h>
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#include <sys/_mutex.h>
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#include <sys/_sx.h>
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#include <sys/sockbuf.h>
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#include <sys/sockstate.h>
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#ifdef _KERNEL
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#include <sys/sockopt.h>
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#endif
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/*
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* Kernel structure per socket.
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@ -92,48 +98,8 @@ struct socket {
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out of band data (SIGURG) */
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u_long so_oobmark; /* (c) chars to oob mark */
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TAILQ_HEAD(, aiocblist) so_aiojobq; /* AIO ops waiting on socket */
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/*
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* Variables for socket buffering.
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*/
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struct sockbuf {
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struct selinfo sb_sel; /* process selecting read/write */
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struct mtx sb_mtx; /* sockbuf lock */
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struct sx sb_sx; /* prevent I/O interlacing */
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short sb_state; /* (c/d) socket state on sockbuf */
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#define sb_startzero sb_mb
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struct mbuf *sb_mb; /* (c/d) the mbuf chain */
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struct mbuf *sb_mbtail; /* (c/d) the last mbuf in the chain */
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struct mbuf *sb_lastrecord; /* (c/d) first mbuf of last
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* record in socket buffer */
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struct mbuf *sb_sndptr; /* (c/d) pointer into mbuf chain */
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u_int sb_sndptroff; /* (c/d) byte offset of ptr into chain */
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u_int sb_cc; /* (c/d) actual chars in buffer */
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u_int sb_hiwat; /* (c/d) max actual char count */
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u_int sb_mbcnt; /* (c/d) chars of mbufs used */
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u_int sb_mcnt; /* (c/d) number of mbufs in buffer */
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u_int sb_ccnt; /* (c/d) number of clusters in buffer */
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u_int sb_mbmax; /* (c/d) max chars of mbufs to use */
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u_int sb_ctl; /* (c/d) non-data chars in buffer */
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int sb_lowat; /* (c/d) low water mark */
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int sb_timeo; /* (c/d) timeout for read/write */
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short sb_flags; /* (c/d) flags, see below */
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} so_rcv, so_snd;
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/*
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* Constants for sb_flags field of struct sockbuf.
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*/
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#define SB_MAX (256*1024) /* default for max chars in sockbuf */
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/*
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* Constants for sb_flags field of struct sockbuf.
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*/
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#define SB_WAIT 0x04 /* someone is waiting for data/space */
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#define SB_SEL 0x08 /* someone is selecting */
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#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
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#define SB_UPCALL 0x20 /* someone wants an upcall */
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#define SB_NOINTR 0x40 /* operations not interruptible */
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#define SB_AIO 0x80 /* AIO operations queued */
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#define SB_KNOTE 0x100 /* kernel note attached */
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#define SB_NOCOALESCE 0x200 /* don't coalesce new data into existing mbufs */
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#define SB_AUTOSIZE 0x800 /* automatically size socket buffer */
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struct sockbuf so_rcv, so_snd;
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void (*so_upcall)(struct socket *, void *, int);
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void *so_upcallarg;
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@ -151,13 +117,6 @@ struct socket {
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int so_fibnum; /* routing domain for this socket */
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};
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#define SB_EMPTY_FIXUP(sb) do { \
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if ((sb)->sb_mb == NULL) { \
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(sb)->sb_mbtail = NULL; \
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(sb)->sb_lastrecord = NULL; \
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} \
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} while (/*CONSTCOND*/0)
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/*
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* Global accept mutex to serialize access to accept queues and
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* fields associated with multiple sockets. This allows us to
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@ -195,42 +154,6 @@ extern struct mtx accept_mtx;
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#define SOCK_UNLOCK(_so) SOCKBUF_UNLOCK(&(_so)->so_rcv)
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#define SOCK_LOCK_ASSERT(_so) SOCKBUF_LOCK_ASSERT(&(_so)->so_rcv)
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/*
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* Socket state bits.
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*
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* Historically, this bits were all kept in the so_state field. For
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* locking reasons, they are now in multiple fields, as they are
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* locked differently. so_state maintains basic socket state protected
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* by the socket lock. so_qstate holds information about the socket
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* accept queues. Each socket buffer also has a state field holding
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* information relevant to that socket buffer (can't send, rcv). Many
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* fields will be read without locks to improve performance and avoid
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* lock order issues. However, this approach must be used with caution.
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*/
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#define SS_NOFDREF 0x0001 /* no file table ref any more */
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#define SS_ISCONNECTED 0x0002 /* socket connected to a peer */
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#define SS_ISCONNECTING 0x0004 /* in process of connecting to peer */
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#define SS_ISDISCONNECTING 0x0008 /* in process of disconnecting */
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#define SS_NBIO 0x0100 /* non-blocking ops */
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#define SS_ASYNC 0x0200 /* async i/o notify */
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#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */
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#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */
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/*
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* Protocols can mark a socket as SS_PROTOREF to indicate that, following
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* pru_detach, they still want the socket to persist, and will free it
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* themselves when they are done. Protocols should only ever call sofree()
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* following setting this flag in pru_detach(), and never otherwise, as
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* sofree() bypasses socket reference counting.
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*/
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#define SS_PROTOREF 0x4000 /* strong protocol reference */
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/*
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* Socket state bits now stored in the socket buffer state field.
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*/
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#define SBS_CANTSENDMORE 0x0010 /* can't send more data to peer */
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#define SBS_CANTRCVMORE 0x0020 /* can't receive more data from peer */
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#define SBS_RCVATMARK 0x0040 /* at mark on input */
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/*
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* Socket state bits stored in so_qstate.
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*/
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@ -257,17 +180,7 @@ struct xsocket {
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u_short so_error;
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pid_t so_pgid;
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u_long so_oobmark;
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struct xsockbuf {
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u_int sb_cc;
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u_int sb_hiwat;
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u_int sb_mbcnt;
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u_int sb_mcnt;
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u_int sb_ccnt;
|
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u_int sb_mbmax;
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int sb_lowat;
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int sb_timeo;
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short sb_flags;
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} so_rcv, so_snd;
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struct xsockbuf so_rcv, so_snd;
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uid_t so_uid; /* XXX */
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};
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@ -290,16 +203,6 @@ struct xsocket {
|
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#define sb_notify(sb) (((sb)->sb_flags & (SB_WAIT | SB_SEL | SB_ASYNC | \
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SB_UPCALL | SB_AIO | SB_KNOTE)) != 0)
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|
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/*
|
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* How much space is there in a socket buffer (so->so_snd or so->so_rcv)?
|
||||
* This is problematical if the fields are unsigned, as the space might
|
||||
* still be negative (cc > hiwat or mbcnt > mbmax). Should detect
|
||||
* overflow and return 0. Should use "lmin" but it doesn't exist now.
|
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*/
|
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#define sbspace(sb) \
|
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((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \
|
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(int)((sb)->sb_mbmax - (sb)->sb_mbcnt)))
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|
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/* do we have to send all at once on a socket? */
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#define sosendallatonce(so) \
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((so)->so_proto->pr_flags & PR_ATOMIC)
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@ -318,38 +221,6 @@ struct xsocket {
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((so)->so_snd.sb_state & SBS_CANTSENDMORE) || \
|
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(so)->so_error)
|
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|
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/* adjust counters in sb reflecting allocation of m */
|
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#define sballoc(sb, m) { \
|
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(sb)->sb_cc += (m)->m_len; \
|
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if ((m)->m_type != MT_DATA && (m)->m_type != MT_OOBDATA) \
|
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(sb)->sb_ctl += (m)->m_len; \
|
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(sb)->sb_mbcnt += MSIZE; \
|
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(sb)->sb_mcnt += 1; \
|
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if ((m)->m_flags & M_EXT) { \
|
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(sb)->sb_mbcnt += (m)->m_ext.ext_size; \
|
||||
(sb)->sb_ccnt += 1; \
|
||||
} \
|
||||
}
|
||||
|
||||
/* adjust counters in sb reflecting freeing of m */
|
||||
#define sbfree(sb, m) { \
|
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(sb)->sb_cc -= (m)->m_len; \
|
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if ((m)->m_type != MT_DATA && (m)->m_type != MT_OOBDATA) \
|
||||
(sb)->sb_ctl -= (m)->m_len; \
|
||||
(sb)->sb_mbcnt -= MSIZE; \
|
||||
(sb)->sb_mcnt -= 1; \
|
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if ((m)->m_flags & M_EXT) { \
|
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(sb)->sb_mbcnt -= (m)->m_ext.ext_size; \
|
||||
(sb)->sb_ccnt -= 1; \
|
||||
} \
|
||||
if ((sb)->sb_sndptr == (m)) { \
|
||||
(sb)->sb_sndptr = NULL; \
|
||||
(sb)->sb_sndptroff = 0; \
|
||||
} \
|
||||
if ((sb)->sb_sndptroff != 0) \
|
||||
(sb)->sb_sndptroff -= (m)->m_len; \
|
||||
}
|
||||
|
||||
/*
|
||||
* soref()/sorele() ref-count the socket structure. Note that you must
|
||||
* still explicitly close the socket, but the last ref count will free
|
||||
@ -418,20 +289,6 @@ struct xsocket {
|
||||
sowwakeup_locked(so); \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Argument structure for sosetopt et seq. This is in the KERNEL
|
||||
* section because it will never be visible to user code.
|
||||
*/
|
||||
enum sopt_dir { SOPT_GET, SOPT_SET };
|
||||
struct sockopt {
|
||||
enum sopt_dir sopt_dir; /* is this a get or a set? */
|
||||
int sopt_level; /* second arg of [gs]etsockopt */
|
||||
int sopt_name; /* third arg of [gs]etsockopt */
|
||||
void *sopt_val; /* fourth arg of [gs]etsockopt */
|
||||
size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */
|
||||
struct thread *sopt_td; /* calling thread or null if kernel */
|
||||
};
|
||||
|
||||
struct accept_filter {
|
||||
char accf_name[16];
|
||||
void (*accf_callback)
|
||||
@ -462,58 +319,12 @@ struct uio;
|
||||
/*
|
||||
* From uipc_socket and friends
|
||||
*/
|
||||
int do_getopt_accept_filter(struct socket *so, struct sockopt *sopt);
|
||||
int do_setopt_accept_filter(struct socket *so, struct sockopt *sopt);
|
||||
int so_setsockopt(struct socket *so, int level, int optname,
|
||||
void *optval, size_t optlen);
|
||||
int sockargs(struct mbuf **mp, caddr_t buf, int buflen, int type);
|
||||
int getsockaddr(struct sockaddr **namp, caddr_t uaddr, size_t len);
|
||||
void sbappend(struct sockbuf *sb, struct mbuf *m);
|
||||
void sbappend_locked(struct sockbuf *sb, struct mbuf *m);
|
||||
void sbappendstream(struct sockbuf *sb, struct mbuf *m);
|
||||
void sbappendstream_locked(struct sockbuf *sb, struct mbuf *m);
|
||||
int sbappendaddr(struct sockbuf *sb, const struct sockaddr *asa,
|
||||
struct mbuf *m0, struct mbuf *control);
|
||||
int sbappendaddr_locked(struct sockbuf *sb, const struct sockaddr *asa,
|
||||
struct mbuf *m0, struct mbuf *control);
|
||||
int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
|
||||
struct mbuf *control);
|
||||
int sbappendcontrol_locked(struct sockbuf *sb, struct mbuf *m0,
|
||||
struct mbuf *control);
|
||||
void sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
|
||||
void sbappendrecord_locked(struct sockbuf *sb, struct mbuf *m0);
|
||||
void sbcheck(struct sockbuf *sb);
|
||||
void sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n);
|
||||
struct mbuf *
|
||||
sbcreatecontrol(caddr_t p, int size, int type, int level);
|
||||
void sbdestroy(struct sockbuf *sb, struct socket *so);
|
||||
void sbdrop(struct sockbuf *sb, int len);
|
||||
void sbdrop_locked(struct sockbuf *sb, int len);
|
||||
void sbdroprecord(struct sockbuf *sb);
|
||||
void sbdroprecord_locked(struct sockbuf *sb);
|
||||
void sbflush(struct sockbuf *sb);
|
||||
void sbflush_locked(struct sockbuf *sb);
|
||||
void sbrelease(struct sockbuf *sb, struct socket *so);
|
||||
void sbrelease_internal(struct sockbuf *sb, struct socket *so);
|
||||
void sbrelease_locked(struct sockbuf *sb, struct socket *so);
|
||||
int sbreserve(struct sockbuf *sb, u_long cc, struct socket *so,
|
||||
struct thread *td);
|
||||
int sbreserve_locked(struct sockbuf *sb, u_long cc, struct socket *so,
|
||||
struct thread *td);
|
||||
struct mbuf *
|
||||
sbsndptr(struct sockbuf *sb, u_int off, u_int len, u_int *moff);
|
||||
void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
|
||||
int sbwait(struct sockbuf *sb);
|
||||
int sblock(struct sockbuf *sb, int flags);
|
||||
void sbunlock(struct sockbuf *sb);
|
||||
void soabort(struct socket *so);
|
||||
int soaccept(struct socket *so, struct sockaddr **nam);
|
||||
int socheckuid(struct socket *so, uid_t uid);
|
||||
int sobind(struct socket *so, struct sockaddr *nam, struct thread *td);
|
||||
void socantrcvmore(struct socket *so);
|
||||
void socantrcvmore_locked(struct socket *so);
|
||||
void socantsendmore(struct socket *so);
|
||||
void socantsendmore_locked(struct socket *so);
|
||||
int soclose(struct socket *so);
|
||||
int soconnect(struct socket *so, struct sockaddr *nam, struct thread *td);
|
||||
int soconnect2(struct socket *so1, struct socket *so2);
|
||||
@ -523,24 +334,13 @@ int socreate(int dom, struct socket **aso, int type, int proto,
|
||||
int sodisconnect(struct socket *so);
|
||||
struct sockaddr *sodupsockaddr(const struct sockaddr *sa, int mflags);
|
||||
void sofree(struct socket *so);
|
||||
int sogetopt(struct socket *so, struct sockopt *sopt);
|
||||
void sohasoutofband(struct socket *so);
|
||||
void soisconnected(struct socket *so);
|
||||
void soisconnecting(struct socket *so);
|
||||
void soisdisconnected(struct socket *so);
|
||||
void soisdisconnecting(struct socket *so);
|
||||
int solisten(struct socket *so, int backlog, struct thread *td);
|
||||
void solisten_proto(struct socket *so, int backlog);
|
||||
int solisten_proto_check(struct socket *so);
|
||||
struct socket *
|
||||
sonewconn(struct socket *head, int connstatus);
|
||||
int sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen);
|
||||
int sooptcopyout(struct sockopt *sopt, const void *buf, size_t len);
|
||||
|
||||
/* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */
|
||||
int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
|
||||
int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
|
||||
int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
|
||||
|
||||
int sopoll(struct socket *so, int events, struct ucred *active_cred,
|
||||
struct thread *td);
|
||||
@ -565,24 +365,12 @@ int sosend_dgram(struct socket *so, struct sockaddr *addr,
|
||||
int sosend_generic(struct socket *so, struct sockaddr *addr,
|
||||
struct uio *uio, struct mbuf *top, struct mbuf *control,
|
||||
int flags, struct thread *td);
|
||||
int sosetopt(struct socket *so, struct sockopt *sopt);
|
||||
int soshutdown(struct socket *so, int how);
|
||||
void sotoxsocket(struct socket *so, struct xsocket *xso);
|
||||
void sowakeup(struct socket *so, struct sockbuf *sb);
|
||||
int selsocket(struct socket *so, int events, struct timeval *tv,
|
||||
struct thread *td);
|
||||
|
||||
#ifdef SOCKBUF_DEBUG
|
||||
void sblastrecordchk(struct sockbuf *, const char *, int);
|
||||
#define SBLASTRECORDCHK(sb) sblastrecordchk((sb), __FILE__, __LINE__)
|
||||
|
||||
void sblastmbufchk(struct sockbuf *, const char *, int);
|
||||
#define SBLASTMBUFCHK(sb) sblastmbufchk((sb), __FILE__, __LINE__)
|
||||
#else
|
||||
#define SBLASTRECORDCHK(sb) /* nothing */
|
||||
#define SBLASTMBUFCHK(sb) /* nothing */
|
||||
#endif /* SOCKBUF_DEBUG */
|
||||
|
||||
/*
|
||||
* Accept filter functions (duh).
|
||||
*/
|
||||
|
||||
72
sys/sys/sockopt.h
Normal file
72
sys/sys/sockopt.h
Normal file
@ -0,0 +1,72 @@
|
||||
/*-
|
||||
* Copyright (c) 1982, 1986, 1990, 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.
|
||||
* 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.
|
||||
*
|
||||
* @(#)socketvar.h 8.3 (Berkeley) 2/19/95
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
#ifndef _SYS_SOCKOPT_H_
|
||||
#define _SYS_SOCKOPT_H_
|
||||
|
||||
#ifndef _KERNEL
|
||||
#error "no user-servicable parts inside"
|
||||
#endif
|
||||
|
||||
|
||||
struct thread;
|
||||
struct socket;
|
||||
|
||||
/*
|
||||
* Argument structure for sosetopt et seq. This is in the KERNEL
|
||||
* section because it will never be visible to user code.
|
||||
*/
|
||||
enum sopt_dir { SOPT_GET, SOPT_SET };
|
||||
|
||||
struct sockopt {
|
||||
enum sopt_dir sopt_dir; /* is this a get or a set? */
|
||||
int sopt_level; /* second arg of [gs]etsockopt */
|
||||
int sopt_name; /* third arg of [gs]etsockopt */
|
||||
void *sopt_val; /* fourth arg of [gs]etsockopt */
|
||||
size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */
|
||||
struct thread *sopt_td; /* calling thread or null if kernel */
|
||||
};
|
||||
|
||||
int sosetopt(struct socket *so, struct sockopt *sopt);
|
||||
int sogetopt(struct socket *so, struct sockopt *sopt);
|
||||
int sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen);
|
||||
int sooptcopyout(struct sockopt *sopt, const void *buf, size_t len);
|
||||
/* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */
|
||||
int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
|
||||
int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
|
||||
int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
|
||||
int do_getopt_accept_filter(struct socket *so, struct sockopt *sopt);
|
||||
int do_setopt_accept_filter(struct socket *so, struct sockopt *sopt);
|
||||
int so_setsockopt(struct socket *so, int level, int optname,
|
||||
void *optval, size_t optlen);
|
||||
|
||||
#endif /* _SYS_SOCKOPT_H_ */
|
||||
83
sys/sys/sockstate.h
Normal file
83
sys/sys/sockstate.h
Normal file
@ -0,0 +1,83 @@
|
||||
/*-
|
||||
* Copyright (c) 1982, 1986, 1990, 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.
|
||||
* 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.
|
||||
*
|
||||
* @(#)socketvar.h 8.3 (Berkeley) 2/19/95
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
#ifndef _SYS_SOCKTATE_H_
|
||||
#define _SYS_SOCKTATE_H_
|
||||
|
||||
/*
|
||||
* Socket state bits.
|
||||
*
|
||||
* Historically, this bits were all kept in the so_state field. For
|
||||
* locking reasons, they are now in multiple fields, as they are
|
||||
* locked differently. so_state maintains basic socket state protected
|
||||
* by the socket lock. so_qstate holds information about the socket
|
||||
* accept queues. Each socket buffer also has a state field holding
|
||||
* information relevant to that socket buffer (can't send, rcv). Many
|
||||
* fields will be read without locks to improve performance and avoid
|
||||
* lock order issues. However, this approach must be used with caution.
|
||||
*/
|
||||
#define SS_NOFDREF 0x0001 /* no file table ref any more */
|
||||
#define SS_ISCONNECTED 0x0002 /* socket connected to a peer */
|
||||
#define SS_ISCONNECTING 0x0004 /* in process of connecting to peer */
|
||||
#define SS_ISDISCONNECTING 0x0008 /* in process of disconnecting */
|
||||
#define SS_NBIO 0x0100 /* non-blocking ops */
|
||||
#define SS_ASYNC 0x0200 /* async i/o notify */
|
||||
#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */
|
||||
#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */
|
||||
|
||||
/*
|
||||
* Protocols can mark a socket as SS_PROTOREF to indicate that, following
|
||||
* pru_detach, they still want the socket to persist, and will free it
|
||||
* themselves when they are done. Protocols should only ever call sofree()
|
||||
* following setting this flag in pru_detach(), and never otherwise, as
|
||||
* sofree() bypasses socket reference counting.
|
||||
*/
|
||||
#define SS_PROTOREF 0x4000 /* strong protocol reference */
|
||||
|
||||
/*
|
||||
* Socket state bits now stored in the socket buffer state field.
|
||||
*/
|
||||
#define SBS_CANTSENDMORE 0x0010 /* can't send more data to peer */
|
||||
#define SBS_CANTRCVMORE 0x0020 /* can't receive more data from peer */
|
||||
#define SBS_RCVATMARK 0x0040 /* at mark on input */
|
||||
|
||||
struct socket;
|
||||
|
||||
void soisconnected(struct socket *so);
|
||||
void soisconnecting(struct socket *so);
|
||||
void soisdisconnected(struct socket *so);
|
||||
void soisdisconnecting(struct socket *so);
|
||||
void socantrcvmore(struct socket *so);
|
||||
void socantrcvmore_locked(struct socket *so);
|
||||
void socantsendmore(struct socket *so);
|
||||
void socantsendmore_locked(struct socket *so);
|
||||
#endif /* _SYS_SOCKTATE_H_ */
|
||||
Loading…
Reference in New Issue
Block a user