version 1.239, 2015/04/24 22:32:37 |
version 1.248.2.1, 2016/11/04 14:49:17 |
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#include <sys/cdefs.h> |
#include <sys/cdefs.h> |
__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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#ifdef _KERNEL_OPT |
#include "opt_compat_netbsd.h" |
#include "opt_compat_netbsd.h" |
#include "opt_sock_counters.h" |
#include "opt_sock_counters.h" |
#include "opt_sosend_loan.h" |
#include "opt_sosend_loan.h" |
#include "opt_mbuftrace.h" |
#include "opt_mbuftrace.h" |
#include "opt_somaxkva.h" |
#include "opt_somaxkva.h" |
#include "opt_multiprocessor.h" /* XXX */ |
#include "opt_multiprocessor.h" /* XXX */ |
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#include "opt_sctp.h" |
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#endif |
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#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/systm.h> |
#include <sys/systm.h> |
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solisten(struct socket *so, int backlog, struct lwp *l) |
solisten(struct socket *so, int backlog, struct lwp *l) |
{ |
{ |
int error; |
int error; |
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short oldopt, oldqlimit; |
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solock(so); |
solock(so); |
if ((so->so_state & (SS_ISCONNECTED | SS_ISCONNECTING | |
if ((so->so_state & (SS_ISCONNECTED | SS_ISCONNECTING | |
Line 649 solisten(struct socket *so, int backlog, |
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Line 653 solisten(struct socket *so, int backlog, |
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sounlock(so); |
sounlock(so); |
return EINVAL; |
return EINVAL; |
} |
} |
error = (*so->so_proto->pr_usrreqs->pr_listen)(so, l); |
oldopt = so->so_options; |
if (error != 0) { |
oldqlimit = so->so_qlimit; |
sounlock(so); |
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return error; |
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} |
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if (TAILQ_EMPTY(&so->so_q)) |
if (TAILQ_EMPTY(&so->so_q)) |
so->so_options |= SO_ACCEPTCONN; |
so->so_options |= SO_ACCEPTCONN; |
if (backlog < 0) |
if (backlog < 0) |
backlog = 0; |
backlog = 0; |
so->so_qlimit = min(backlog, somaxconn); |
so->so_qlimit = min(backlog, somaxconn); |
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error = (*so->so_proto->pr_usrreqs->pr_listen)(so, l); |
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if (error != 0) { |
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so->so_options = oldopt; |
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so->so_qlimit = oldqlimit; |
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sounlock(so); |
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return error; |
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} |
sounlock(so); |
sounlock(so); |
return 0; |
return 0; |
} |
} |
Line 811 soaccept(struct socket *so, struct socka |
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Line 820 soaccept(struct socket *so, struct socka |
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} |
} |
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int |
int |
soconnect(struct socket *so, struct mbuf *nam, struct lwp *l) |
soconnect(struct socket *so, struct sockaddr *nam, struct lwp *l) |
{ |
{ |
int error; |
int error; |
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Line 827 soconnect(struct socket *so, struct mbuf |
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Line 836 soconnect(struct socket *so, struct mbuf |
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*/ |
*/ |
if (so->so_state & (SS_ISCONNECTED|SS_ISCONNECTING) && |
if (so->so_state & (SS_ISCONNECTED|SS_ISCONNECTING) && |
((so->so_proto->pr_flags & PR_CONNREQUIRED) || |
((so->so_proto->pr_flags & PR_CONNREQUIRED) || |
(error = sodisconnect(so)))) |
(error = sodisconnect(so)))) { |
error = EISCONN; |
error = EISCONN; |
else |
} else { |
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if (nam->sa_family != so->so_proto->pr_domain->dom_family) { |
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return EAFNOSUPPORT; |
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} |
error = (*so->so_proto->pr_usrreqs->pr_connect)(so, nam, l); |
error = (*so->so_proto->pr_usrreqs->pr_connect)(so, nam, l); |
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} |
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return error; |
return error; |
} |
} |
Line 879 sodisconnect(struct socket *so) |
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Line 892 sodisconnect(struct socket *so) |
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* Data and control buffers are freed on return. |
* Data and control buffers are freed on return. |
*/ |
*/ |
int |
int |
sosend(struct socket *so, struct mbuf *addr, struct uio *uio, struct mbuf *top, |
sosend(struct socket *so, struct sockaddr *addr, struct uio *uio, |
struct mbuf *control, int flags, struct lwp *l) |
struct mbuf *top, struct mbuf *control, int flags, struct lwp *l) |
{ |
{ |
struct mbuf **mp, *m; |
struct mbuf **mp, *m; |
long space, len, resid, clen, mlen; |
long space, len, resid, clen, mlen; |
Line 937 sosend(struct socket *so, struct mbuf *a |
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Line 950 sosend(struct socket *so, struct mbuf *a |
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error = ENOTCONN; |
error = ENOTCONN; |
goto release; |
goto release; |
} |
} |
} else if (addr == 0) { |
} else if (addr == NULL) { |
error = EDESTADDRREQ; |
error = EDESTADDRREQ; |
goto release; |
goto release; |
} |
} |
Line 985 sosend(struct socket *so, struct mbuf *a |
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Line 998 sosend(struct socket *so, struct mbuf *a |
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m = m_gethdr(M_WAIT, MT_DATA); |
m = m_gethdr(M_WAIT, MT_DATA); |
mlen = MHLEN; |
mlen = MHLEN; |
m->m_pkthdr.len = 0; |
m->m_pkthdr.len = 0; |
m->m_pkthdr.rcvif = NULL; |
m_reset_rcvif(m); |
} else { |
} else { |
m = m_get(M_WAIT, MT_DATA); |
m = m_get(M_WAIT, MT_DATA); |
mlen = MLEN; |
mlen = MLEN; |
Line 1051 sosend(struct socket *so, struct mbuf *a |
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Line 1064 sosend(struct socket *so, struct mbuf *a |
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so->so_options |= SO_DONTROUTE; |
so->so_options |= SO_DONTROUTE; |
if (resid > 0) |
if (resid > 0) |
so->so_state |= SS_MORETOCOME; |
so->so_state |= SS_MORETOCOME; |
if (flags & MSG_OOB) |
if (flags & MSG_OOB) { |
error = (*so->so_proto->pr_usrreqs->pr_sendoob)(so, |
error = (*so->so_proto->pr_usrreqs->pr_sendoob)(so, |
top, control); |
top, control); |
else |
} else { |
error = (*so->so_proto->pr_usrreqs->pr_send)(so, |
error = (*so->so_proto->pr_usrreqs->pr_send)(so, |
top, addr, control, l); |
top, addr, control, l); |
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} |
if (dontroute) |
if (dontroute) |
so->so_options &= ~SO_DONTROUTE; |
so->so_options &= ~SO_DONTROUTE; |
if (resid > 0) |
if (resid > 0) |
Line 1310 soreceive(struct socket *so, struct mbuf |
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Line 1324 soreceive(struct socket *so, struct mbuf |
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m->m_next = NULL; |
m->m_next = NULL; |
m = so->so_rcv.sb_mb; |
m = so->so_rcv.sb_mb; |
} else { |
} else { |
MFREE(m, so->so_rcv.sb_mb); |
m = so->so_rcv.sb_mb = m_free(m); |
m = so->so_rcv.sb_mb; |
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} |
} |
sbsync(&so->so_rcv, nextrecord); |
sbsync(&so->so_rcv, nextrecord); |
} |
} |
} |
} |
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if (pr->pr_flags & PR_ADDR_OPT) { |
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/* |
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* For SCTP we may be getting a |
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* whole message OR a partial delivery. |
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*/ |
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if (m->m_type == MT_SONAME) { |
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orig_resid = 0; |
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if (flags & MSG_PEEK) { |
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if (paddr) |
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*paddr = m_copy(m, 0, m->m_len); |
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m = m->m_next; |
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} else { |
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sbfree(&so->so_rcv, m); |
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if (paddr) { |
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*paddr = m; |
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so->so_rcv.sb_mb = m->m_next; |
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m->m_next = 0; |
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m = so->so_rcv.sb_mb; |
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} else { |
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m = so->so_rcv.sb_mb = m_free(m); |
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} |
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} |
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} |
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} |
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/* |
/* |
* Process one or more MT_CONTROL mbufs present before any data mbufs |
* Process one or more MT_CONTROL mbufs present before any data mbufs |
Line 1450 soreceive(struct socket *so, struct mbuf |
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Line 1487 soreceive(struct socket *so, struct mbuf |
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if (len == m->m_len - moff) { |
if (len == m->m_len - moff) { |
if (m->m_flags & M_EOR) |
if (m->m_flags & M_EOR) |
flags |= MSG_EOR; |
flags |= MSG_EOR; |
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#ifdef SCTP |
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if (m->m_flags & M_NOTIFICATION) |
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flags |= MSG_NOTIFICATION; |
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#endif /* SCTP */ |
if (flags & MSG_PEEK) { |
if (flags & MSG_PEEK) { |
m = m->m_next; |
m = m->m_next; |
moff = 0; |
moff = 0; |
Line 1462 soreceive(struct socket *so, struct mbuf |
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Line 1503 soreceive(struct socket *so, struct mbuf |
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so->so_rcv.sb_mb = m = m->m_next; |
so->so_rcv.sb_mb = m = m->m_next; |
*mp = NULL; |
*mp = NULL; |
} else { |
} else { |
MFREE(m, so->so_rcv.sb_mb); |
m = so->so_rcv.sb_mb = m_free(m); |
m = so->so_rcv.sb_mb; |
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} |
} |
/* |
/* |
* If m != NULL, we also know that |
* If m != NULL, we also know that |