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Merge pull request #652 from agerguo/patch-3 

Update sockbuf.h
This commit is contained in:
johnjiang 2022-03-25 14:42:47 +08:00 committed by GitHub
parent c693ae49fc ea8aa54cfc
commit 148ee2809b
1 changed files with 41 additions and 33 deletions
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74
tools/compat/include/sys/sockbuf.h
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@ -1,4 +1,6 @@
/*- /*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1982, 1986, 1990, 1993 * Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved. * The Regents of the University of California. All rights reserved.
* *
@ -10,7 +12,7 @@
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution. * documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software * may be used to endorse or promote products derived from this software
* without specific prior written permission. * without specific prior written permission.
* *
@ -32,17 +34,12 @@
*/ */
#ifndef _SYS_SOCKBUF_H_ #ifndef _SYS_SOCKBUF_H_
#define _SYS_SOCKBUF_H_ #define _SYS_SOCKBUF_H_
#include <sys/selinfo.h> /* for struct selinfo */
#include <sys/_lock.h>
#include <sys/_mutex.h>
#include <sys/_sx.h>
#include <sys/_task.h>
#define SB_MAX (2*1024*1024) /* default for max chars in sockbuf */
/* /*
* Constants for sb_flags field of struct sockbuf. * Constants for sb_flags field of struct sockbuf/xsockbuf.
*/ */
#define SB_TLS_RX 0x01 /* using KTLS on RX */
#define SB_TLS_RX_RUNNING 0x02 /* KTLS RX operation running */
#define SB_WAIT 0x04 /* someone is waiting for data/space */ #define SB_WAIT 0x04 /* someone is waiting for data/space */
#define SB_SEL 0x08 /* someone is selecting */ #define SB_SEL 0x08 /* someone is selecting */
#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */ #define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
@ -55,38 +52,38 @@
#define SB_AUTOSIZE 0x800 /* automatically size socket buffer */ #define SB_AUTOSIZE 0x800 /* automatically size socket buffer */
#define SB_STOP 0x1000 /* backpressure indicator */ #define SB_STOP 0x1000 /* backpressure indicator */
#define SB_AIO_RUNNING 0x2000 /* AIO operation running */ #define SB_AIO_RUNNING 0x2000 /* AIO operation running */
#define SB_TLS_IFNET 0x4000 /* has used / is using ifnet KTLS */
#define SBS_CANTSENDMORE 0x0010 /* can't send more data to peer */ #define SBS_CANTSENDMORE 0x0010 /* can't send more data to peer */
#define SBS_CANTRCVMORE 0x0020 /* can't receive more data from peer */ #define SBS_CANTRCVMORE 0x0020 /* can't receive more data from peer */
#define SBS_RCVATMARK 0x0040 /* at mark on input */ #define SBS_RCVATMARK 0x0040 /* at mark on input */
#if defined(_KERNEL) || defined(_WANT_SOCKET)
#include <sys/_lock.h>
#include <sys/_mutex.h>
#include <sys/_sx.h>
#include <sys/_task.h>
#define SB_MAX (2*1024*1024) /* default for max chars in sockbuf */
struct ktls_session;
struct mbuf; struct mbuf;
struct sockaddr; struct sockaddr;
struct socket; struct socket;
struct thread; struct thread;
struct selinfo;
struct xsockbuf {
u_int sb_cc;
u_int sb_hiwat;
u_int sb_mbcnt;
u_int sb_mcnt;
u_int sb_ccnt;
u_int sb_mbmax;
int sb_lowat;
int sb_timeo;
short sb_flags;
};
/* /*
* Variables for socket buffering. * Variables for socket buffering.
* *
* Locking key to struct sockbuf: * Locking key to struct sockbuf:
* (a) locked by SOCKBUF_LOCK(). * (a) locked by SOCKBUF_LOCK().
* (b) locked by sblock()
*/ */
struct sockbuf { struct sockbuf {
struct selinfo sb_sel; /* process selecting read/write */ struct mtx sb_mtx; /* sockbuf lock */
struct mtx sb_mtx; /* sockbuf lock */ struct sx sb_sx; /* prevent I/O interlacing */
struct sx sb_sx; /* prevent I/O interlacing */ struct selinfo *sb_sel; /* process selecting read/write */
short sb_state; /* (a) socket state on sockbuf */ short sb_state; /* (a) socket state on sockbuf */
#define sb_startzero sb_mb #define sb_startzero sb_mb
struct mbuf *sb_mb; /* (a) the mbuf chain */ struct mbuf *sb_mb; /* (a) the mbuf chain */
@ -104,15 +101,22 @@ struct sockbuf {
u_int sb_ccnt; /* (a) number of clusters in buffer */ u_int sb_ccnt; /* (a) number of clusters in buffer */
u_int sb_mbmax; /* (a) max chars of mbufs to use */ u_int sb_mbmax; /* (a) max chars of mbufs to use */
u_int sb_ctl; /* (a) non-data chars in buffer */ u_int sb_ctl; /* (a) non-data chars in buffer */
u_int sb_tlscc; /* (a) TLS chain characters */
u_int sb_tlsdcc; /* (a) TLS characters being decrypted */
int sb_lowat; /* (a) low water mark */ int sb_lowat; /* (a) low water mark */
sbintime_t sb_timeo; /* (a) timeout for read/write */ sbintime_t sb_timeo; /* (a) timeout for read/write */
short sb_flags; /* (a) flags, see below */ uint64_t sb_tls_seqno; /* (a) TLS seqno */
struct ktls_session *sb_tls_info; /* (a + b) TLS state */
struct mbuf *sb_mtls; /* (a) TLS mbuf chain */
struct mbuf *sb_mtlstail; /* (a) last mbuf in TLS chain */
short sb_flags; /* (a) flags, see above */
int (*sb_upcall)(struct socket *, void *, int); /* (a) */ int (*sb_upcall)(struct socket *, void *, int); /* (a) */
void *sb_upcallarg; /* (a) */ void *sb_upcallarg; /* (a) */
TAILQ_HEAD(, kaiocb) sb_aiojobq; /* (a) pending AIO ops */ TAILQ_HEAD(, kaiocb) sb_aiojobq; /* (a) pending AIO ops */
struct task sb_aiotask; /* AIO task */ struct task sb_aiotask; /* AIO task */
}; };
#endif /* defined(_KERNEL) || defined(_WANT_SOCKET) */
#ifdef _KERNEL #ifdef _KERNEL
/* /*
@ -146,15 +150,18 @@ int sbappendaddr_locked(struct sockbuf *sb, const struct sockaddr *asa,
struct mbuf *m0, struct mbuf *control); struct mbuf *m0, struct mbuf *control);
int sbappendaddr_nospacecheck_locked(struct sockbuf *sb, int sbappendaddr_nospacecheck_locked(struct sockbuf *sb,
const struct sockaddr *asa, struct mbuf *m0, struct mbuf *control); const struct sockaddr *asa, struct mbuf *m0, struct mbuf *control);
int sbappendcontrol(struct sockbuf *sb, struct mbuf *m0, void sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
struct mbuf *control); struct mbuf *control, int flags);
int sbappendcontrol_locked(struct sockbuf *sb, struct mbuf *m0, void sbappendcontrol_locked(struct sockbuf *sb, struct mbuf *m0,
struct mbuf *control); struct mbuf *control, int flags);
void sbappendrecord(struct sockbuf *sb, struct mbuf *m0); void sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
void sbappendrecord_locked(struct sockbuf *sb, struct mbuf *m0); void sbappendrecord_locked(struct sockbuf *sb, struct mbuf *m0);
void sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n); void sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n);
struct mbuf * struct mbuf *
sbcreatecontrol(caddr_t p, int size, int type, int level); sbcreatecontrol(caddr_t p, int size, int type, int level);
struct mbuf *
sbcreatecontrol_how(void *p, int size, int type, int level,
int wait);
void sbdestroy(struct sockbuf *sb, struct socket *so); void sbdestroy(struct sockbuf *sb, struct socket *so);
void sbdrop(struct sockbuf *sb, int len); void sbdrop(struct sockbuf *sb, int len);
void sbdrop_locked(struct sockbuf *sb, int len); void sbdrop_locked(struct sockbuf *sb, int len);
@ -167,20 +174,21 @@ void sbflush_locked(struct sockbuf *sb);
void sbrelease(struct sockbuf *sb, struct socket *so); void sbrelease(struct sockbuf *sb, struct socket *so);
void sbrelease_internal(struct sockbuf *sb, struct socket *so); void sbrelease_internal(struct sockbuf *sb, struct socket *so);
void sbrelease_locked(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, int sbsetopt(struct socket *so, int cmd, u_long cc);
struct thread *td);
int sbreserve_locked(struct sockbuf *sb, u_long cc, struct socket *so, int sbreserve_locked(struct sockbuf *sb, u_long cc, struct socket *so,
struct thread *td); struct thread *td);
void sbsndptr_adv(struct sockbuf *sb, struct mbuf *mb, u_int len);
struct mbuf * struct mbuf *
sbsndptr(struct sockbuf *sb, u_int off, u_int len, u_int *moff); sbsndptr_noadv(struct sockbuf *sb, u_int off, u_int *moff);
struct mbuf * struct mbuf *
sbsndmbuf(struct sockbuf *sb, u_int off, u_int *moff); sbsndmbuf(struct sockbuf *sb, u_int off, u_int *moff);
void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
int sbwait(struct sockbuf *sb); int sbwait(struct sockbuf *sb);
int sblock(struct sockbuf *sb, int flags); int sblock(struct sockbuf *sb, int flags);
void sbunlock(struct sockbuf *sb); void sbunlock(struct sockbuf *sb);
void sballoc(struct sockbuf *, struct mbuf *); void sballoc(struct sockbuf *, struct mbuf *);
void sbfree(struct sockbuf *, struct mbuf *); void sbfree(struct sockbuf *, struct mbuf *);
void sballoc_ktls_rx(struct sockbuf *sb, struct mbuf *m);
void sbfree_ktls_rx(struct sockbuf *sb, struct mbuf *m);
int sbready(struct sockbuf *, struct mbuf *, int); int sbready(struct sockbuf *, struct mbuf *, int);
/* /*