version 1.122.4.1, 2006/11/18 21:39:23 |
version 1.140.6.2, 2007/10/02 18:29:06 |
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/* $NetBSD$ */ |
/* $NetBSD$ */ |
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/*- |
/*- |
* Copyright (c) 2002 The NetBSD Foundation, Inc. |
* Copyright (c) 2002, 2007 The NetBSD Foundation, Inc. |
* All rights reserved. |
* All rights reserved. |
* |
* |
* This code is derived from software contributed to The NetBSD Foundation |
* This code is derived from software contributed to The NetBSD Foundation |
Line 79 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 79 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/systm.h> |
#include <sys/systm.h> |
#include <sys/proc.h> |
#include <sys/proc.h> |
#include <sys/file.h> |
#include <sys/file.h> |
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#include <sys/filedesc.h> |
#include <sys/malloc.h> |
#include <sys/malloc.h> |
#include <sys/mbuf.h> |
#include <sys/mbuf.h> |
#include <sys/domain.h> |
#include <sys/domain.h> |
Line 92 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 93 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/event.h> |
#include <sys/event.h> |
#include <sys/poll.h> |
#include <sys/poll.h> |
#include <sys/kauth.h> |
#include <sys/kauth.h> |
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#include <sys/mutex.h> |
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#include <sys/condvar.h> |
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#include <uvm/uvm.h> |
#include <uvm/uvm.h> |
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POOL_INIT(socket_pool, sizeof(struct socket), 0, 0, 0, "sockpl", NULL); |
POOL_INIT(socket_pool, sizeof(struct socket), 0, 0, 0, "sockpl", NULL, |
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IPL_SOFTNET); |
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MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
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extern const struct fileops socketops; |
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extern int somaxconn; /* patchable (XXX sysctl) */ |
extern int somaxconn; /* patchable (XXX sysctl) */ |
int somaxconn = SOMAXCONN; |
int somaxconn = SOMAXCONN; |
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Line 135 int sock_loan_thresh = -1; |
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Line 141 int sock_loan_thresh = -1; |
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int sock_loan_thresh = 4096; |
int sock_loan_thresh = 4096; |
#endif |
#endif |
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static struct simplelock so_pendfree_slock = SIMPLELOCK_INITIALIZER; |
static kmutex_t so_pendfree_lock; |
static struct mbuf *so_pendfree; |
static struct mbuf *so_pendfree; |
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#ifndef SOMAXKVA |
#ifndef SOMAXKVA |
Line 143 static struct mbuf *so_pendfree; |
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Line 149 static struct mbuf *so_pendfree; |
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#endif |
#endif |
int somaxkva = SOMAXKVA; |
int somaxkva = SOMAXKVA; |
static int socurkva; |
static int socurkva; |
static int sokvawaiters; |
static kcondvar_t socurkva_cv; |
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#define SOCK_LOAN_CHUNK 65536 |
#define SOCK_LOAN_CHUNK 65536 |
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Line 153 static size_t sodopendfreel(void); |
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Line 159 static size_t sodopendfreel(void); |
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static vsize_t |
static vsize_t |
sokvareserve(struct socket *so, vsize_t len) |
sokvareserve(struct socket *so, vsize_t len) |
{ |
{ |
int s; |
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int error; |
int error; |
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s = splvm(); |
mutex_enter(&so_pendfree_lock); |
simple_lock(&so_pendfree_slock); |
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while (socurkva + len > somaxkva) { |
while (socurkva + len > somaxkva) { |
size_t freed; |
size_t freed; |
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Line 175 sokvareserve(struct socket *so, vsize_t |
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Line 179 sokvareserve(struct socket *so, vsize_t |
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continue; |
continue; |
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SOSEND_COUNTER_INCR(&sosend_kvalimit); |
SOSEND_COUNTER_INCR(&sosend_kvalimit); |
sokvawaiters++; |
error = cv_wait_sig(&socurkva_cv, &so_pendfree_lock); |
error = ltsleep(&socurkva, PVM | PCATCH, "sokva", 0, |
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&so_pendfree_slock); |
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sokvawaiters--; |
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if (error) { |
if (error) { |
len = 0; |
len = 0; |
break; |
break; |
} |
} |
} |
} |
socurkva += len; |
socurkva += len; |
simple_unlock(&so_pendfree_slock); |
mutex_exit(&so_pendfree_lock); |
splx(s); |
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return len; |
return len; |
} |
} |
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static void |
static void |
sokvaunreserve(vsize_t len) |
sokvaunreserve(vsize_t len) |
{ |
{ |
int s; |
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s = splvm(); |
mutex_enter(&so_pendfree_lock); |
simple_lock(&so_pendfree_slock); |
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socurkva -= len; |
socurkva -= len; |
if (sokvawaiters) |
cv_broadcast(&socurkva_cv); |
wakeup(&socurkva); |
mutex_exit(&so_pendfree_lock); |
simple_unlock(&so_pendfree_slock); |
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splx(s); |
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} |
} |
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/* |
/* |
Line 255 sokvafree(vaddr_t sva, vsize_t len) |
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Line 251 sokvafree(vaddr_t sva, vsize_t len) |
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} |
} |
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static void |
static void |
sodoloanfree(struct vm_page **pgs, caddr_t buf, size_t size) |
sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
{ |
{ |
vaddr_t va, sva, eva; |
vaddr_t va, sva, eva; |
vsize_t len; |
vsize_t len; |
Line 271 sodoloanfree(struct vm_page **pgs, caddr |
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Line 267 sodoloanfree(struct vm_page **pgs, caddr |
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pgs = alloca(npgs * sizeof(*pgs)); |
pgs = alloca(npgs * sizeof(*pgs)); |
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for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
if (pmap_extract(pmap_kernel(), va, &pa) == FALSE) |
if (pmap_extract(pmap_kernel(), va, &pa) == false) |
panic("sodoloanfree: va 0x%lx not mapped", va); |
panic("sodoloanfree: va 0x%lx not mapped", va); |
pgs[i] = PHYS_TO_VM_PAGE(pa); |
pgs[i] = PHYS_TO_VM_PAGE(pa); |
} |
} |
Line 286 sodoloanfree(struct vm_page **pgs, caddr |
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Line 282 sodoloanfree(struct vm_page **pgs, caddr |
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static size_t |
static size_t |
sodopendfree() |
sodopendfree() |
{ |
{ |
int s; |
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size_t rv; |
size_t rv; |
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s = splvm(); |
mutex_enter(&so_pendfree_lock); |
simple_lock(&so_pendfree_slock); |
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rv = sodopendfreel(); |
rv = sodopendfreel(); |
simple_unlock(&so_pendfree_slock); |
mutex_exit(&so_pendfree_lock); |
splx(s); |
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return rv; |
return rv; |
} |
} |
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/* |
/* |
* sodopendfreel: free mbufs on "pendfree" list. |
* sodopendfreel: free mbufs on "pendfree" list. |
* unlock and relock so_pendfree_slock when freeing mbufs. |
* unlock and relock so_pendfree_lock when freeing mbufs. |
* |
* |
* => called with so_pendfree_slock held. |
* => called with so_pendfree_lock held. |
* => called at splvm. |
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*/ |
*/ |
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static size_t |
static size_t |
sodopendfreel() |
sodopendfreel() |
{ |
{ |
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struct mbuf *m, *next; |
size_t rv = 0; |
size_t rv = 0; |
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int s; |
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LOCK_ASSERT(simple_lock_held(&so_pendfree_slock)); |
KASSERT(mutex_owned(&so_pendfree_lock)); |
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for (;;) { |
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struct mbuf *m; |
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struct mbuf *next; |
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while (so_pendfree != NULL) { |
m = so_pendfree; |
m = so_pendfree; |
if (m == NULL) |
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break; |
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so_pendfree = NULL; |
so_pendfree = NULL; |
simple_unlock(&so_pendfree_slock); |
mutex_exit(&so_pendfree_lock); |
/* XXX splx */ |
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for (; m != NULL; m = next) { |
for (; m != NULL; m = next) { |
next = m->m_next; |
next = m->m_next; |
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sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
m->m_ext.ext_size); |
m->m_ext.ext_size); |
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s = splvm(); |
pool_cache_put(&mbpool_cache, m); |
pool_cache_put(&mbpool_cache, m); |
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splx(s); |
} |
} |
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/* XXX splvm */ |
mutex_enter(&so_pendfree_lock); |
simple_lock(&so_pendfree_slock); |
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} |
} |
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return (rv); |
return (rv); |
} |
} |
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void |
void |
soloanfree(struct mbuf *m, caddr_t buf, size_t size, void *arg) |
soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
{ |
{ |
int s; |
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if (m == NULL) { |
if (m == NULL) { |
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Line 363 soloanfree(struct mbuf *m, caddr_t buf, |
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Line 351 soloanfree(struct mbuf *m, caddr_t buf, |
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* because we need to put kva back to kernel_map. |
* because we need to put kva back to kernel_map. |
*/ |
*/ |
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s = splvm(); |
mutex_enter(&so_pendfree_lock); |
simple_lock(&so_pendfree_slock); |
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m->m_next = so_pendfree; |
m->m_next = so_pendfree; |
so_pendfree = m; |
so_pendfree = m; |
if (sokvawaiters) |
cv_broadcast(&socurkva_cv); |
wakeup(&socurkva); |
mutex_exit(&so_pendfree_lock); |
simple_unlock(&so_pendfree_slock); |
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splx(s); |
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} |
} |
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static long |
static long |
Line 416 sosend_loan(struct socket *so, struct ui |
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Line 401 sosend_loan(struct socket *so, struct ui |
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lva += (vaddr_t) iov->iov_base & PAGE_MASK; |
lva += (vaddr_t) iov->iov_base & PAGE_MASK; |
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MEXTADD(m, (caddr_t) lva, space, M_MBUF, soloanfree, so); |
MEXTADD(m, (void *) lva, space, M_MBUF, soloanfree, so); |
m->m_flags |= M_EXT_PAGES | M_EXT_ROMAP; |
m->m_flags |= M_EXT_PAGES | M_EXT_ROMAP; |
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uio->uio_resid -= space; |
uio->uio_resid -= space; |
/* uio_offset not updated, not set/used for write(2) */ |
/* uio_offset not updated, not set/used for write(2) */ |
uio->uio_iov->iov_base = (caddr_t) uio->uio_iov->iov_base + space; |
uio->uio_iov->iov_base = (char *)uio->uio_iov->iov_base + space; |
uio->uio_iov->iov_len -= space; |
uio->uio_iov->iov_len -= space; |
if (uio->uio_iov->iov_len == 0) { |
if (uio->uio_iov->iov_len == 0) { |
uio->uio_iov++; |
uio->uio_iov++; |
Line 445 sokva_reclaim_callback(struct callback_e |
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Line 430 sokva_reclaim_callback(struct callback_e |
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return CALLBACK_CHAIN_CONTINUE; |
return CALLBACK_CHAIN_CONTINUE; |
} |
} |
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struct mbuf * |
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getsombuf(struct socket *so) |
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{ |
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struct mbuf *m; |
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m = m_get(M_WAIT, MT_SONAME); |
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MCLAIM(m, so->so_mowner); |
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return m; |
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} |
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struct mbuf * |
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m_intopt(struct socket *so, int val) |
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{ |
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struct mbuf *m; |
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m = getsombuf(so); |
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m->m_len = sizeof(int); |
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*mtod(m, int *) = val; |
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return m; |
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} |
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void |
void |
soinit(void) |
soinit(void) |
{ |
{ |
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mutex_init(&so_pendfree_lock, MUTEX_DRIVER, IPL_VM); |
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cv_init(&socurkva_cv, "sokva"); |
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/* Set the initial adjusted socket buffer size. */ |
/* Set the initial adjusted socket buffer size. */ |
if (sb_max_set(sb_max)) |
if (sb_max_set(sb_max)) |
panic("bad initial sb_max value: %lu", sb_max); |
panic("bad initial sb_max value: %lu", sb_max); |
Line 473 socreate(int dom, struct socket **aso, i |
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Line 482 socreate(int dom, struct socket **aso, i |
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uid_t uid; |
uid_t uid; |
int error, s; |
int error, s; |
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if (kauth_authorize_network(l->l_cred, KAUTH_NETWORK_SOCKET, |
error = kauth_authorize_network(l->l_cred, KAUTH_NETWORK_SOCKET, |
KAUTH_REQ_NETWORK_SOCKET_OPEN, (void *)(u_long)dom, |
KAUTH_REQ_NETWORK_SOCKET_OPEN, KAUTH_ARG(dom), KAUTH_ARG(type), |
(void *)(u_long)type, (void *)(u_long)proto) != 0) |
KAUTH_ARG(proto)); |
return (EPERM); |
if (error != 0) |
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return error; |
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if (proto) |
if (proto) |
prp = pffindproto(dom, proto, type); |
prp = pffindproto(dom, proto, type); |
else |
else |
prp = pffindtype(dom, type); |
prp = pffindtype(dom, type); |
if (prp == 0) { |
if (prp == NULL) { |
/* no support for domain */ |
/* no support for domain */ |
if (pffinddomain(dom) == 0) |
if (pffinddomain(dom) == 0) |
return (EAFNOSUPPORT); |
return EAFNOSUPPORT; |
/* no support for socket type */ |
/* no support for socket type */ |
if (proto == 0 && type != 0) |
if (proto == 0 && type != 0) |
return (EPROTOTYPE); |
return EPROTOTYPE; |
return (EPROTONOSUPPORT); |
return EPROTONOSUPPORT; |
} |
} |
if (prp->pr_usrreq == 0) |
if (prp->pr_usrreq == NULL) |
return (EPROTONOSUPPORT); |
return EPROTONOSUPPORT; |
if (prp->pr_type != type) |
if (prp->pr_type != type) |
return (EPROTOTYPE); |
return EPROTOTYPE; |
s = splsoftnet(); |
s = splsoftnet(); |
so = pool_get(&socket_pool, PR_WAITOK); |
so = pool_get(&socket_pool, PR_WAITOK); |
memset((caddr_t)so, 0, sizeof(*so)); |
memset(so, 0, sizeof(*so)); |
TAILQ_INIT(&so->so_q0); |
TAILQ_INIT(&so->so_q0); |
TAILQ_INIT(&so->so_q); |
TAILQ_INIT(&so->so_q); |
so->so_type = type; |
so->so_type = type; |
Line 509 socreate(int dom, struct socket **aso, i |
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Line 519 socreate(int dom, struct socket **aso, i |
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so->so_snd.sb_mowner = &prp->pr_domain->dom_mowner; |
so->so_snd.sb_mowner = &prp->pr_domain->dom_mowner; |
so->so_mowner = &prp->pr_domain->dom_mowner; |
so->so_mowner = &prp->pr_domain->dom_mowner; |
#endif |
#endif |
if (l != NULL) { |
selinit(&so->so_rcv.sb_sel); |
uid = kauth_cred_geteuid(l->l_cred); |
selinit(&so->so_snd.sb_sel); |
} else { |
uid = kauth_cred_geteuid(l->l_cred); |
uid = 0; |
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} |
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so->so_uidinfo = uid_find(uid); |
so->so_uidinfo = uid_find(uid); |
error = (*prp->pr_usrreq)(so, PRU_ATTACH, (struct mbuf *)0, |
error = (*prp->pr_usrreq)(so, PRU_ATTACH, NULL, |
(struct mbuf *)(long)proto, (struct mbuf *)0, l); |
(struct mbuf *)(long)proto, NULL, l); |
if (error) { |
if (error != 0) { |
so->so_state |= SS_NOFDREF; |
so->so_state |= SS_NOFDREF; |
sofree(so); |
sofree(so); |
splx(s); |
splx(s); |
return (error); |
return error; |
} |
} |
splx(s); |
splx(s); |
*aso = so; |
*aso = so; |
return (0); |
return 0; |
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} |
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/* On success, write file descriptor to fdout and return zero. On |
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* failure, return non-zero; *fdout will be undefined. |
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*/ |
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int |
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fsocreate(int domain, struct socket **sop, int type, int protocol, |
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struct lwp *l, int *fdout) |
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{ |
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struct filedesc *fdp; |
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struct socket *so; |
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struct file *fp; |
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int fd, error; |
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fdp = l->l_proc->p_fd; |
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/* falloc() will use the desciptor for us */ |
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if ((error = falloc(l, &fp, &fd)) != 0) |
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return (error); |
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fp->f_flag = FREAD|FWRITE; |
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fp->f_type = DTYPE_SOCKET; |
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fp->f_ops = &socketops; |
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error = socreate(domain, &so, type, protocol, l); |
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if (error != 0) { |
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FILE_UNUSE(fp, l); |
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fdremove(fdp, fd); |
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ffree(fp); |
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} else { |
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if (sop != NULL) |
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*sop = so; |
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fp->f_data = so; |
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FILE_SET_MATURE(fp); |
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FILE_UNUSE(fp, l); |
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*fdout = fd; |
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} |
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return error; |
} |
} |
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int |
int |
Line 534 sobind(struct socket *so, struct mbuf *n |
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Line 577 sobind(struct socket *so, struct mbuf *n |
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int s, error; |
int s, error; |
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s = splsoftnet(); |
s = splsoftnet(); |
error = (*so->so_proto->pr_usrreq)(so, PRU_BIND, (struct mbuf *)0, |
error = (*so->so_proto->pr_usrreq)(so, PRU_BIND, NULL, nam, NULL, l); |
nam, (struct mbuf *)0, l); |
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splx(s); |
splx(s); |
return (error); |
return error; |
} |
} |
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int |
int |
Line 546 solisten(struct socket *so, int backlog) |
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Line 588 solisten(struct socket *so, int backlog) |
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int s, error; |
int s, error; |
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s = splsoftnet(); |
s = splsoftnet(); |
error = (*so->so_proto->pr_usrreq)(so, PRU_LISTEN, (struct mbuf *)0, |
error = (*so->so_proto->pr_usrreq)(so, PRU_LISTEN, NULL, |
(struct mbuf *)0, (struct mbuf *)0, (struct lwp *)0); |
NULL, NULL, NULL); |
if (error) { |
if (error != 0) { |
splx(s); |
splx(s); |
return (error); |
return error; |
} |
} |
if (TAILQ_EMPTY(&so->so_q)) |
if (TAILQ_EMPTY(&so->so_q)) |
so->so_options |= SO_ACCEPTCONN; |
so->so_options |= SO_ACCEPTCONN; |
Line 558 solisten(struct socket *so, int backlog) |
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Line 600 solisten(struct socket *so, int backlog) |
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backlog = 0; |
backlog = 0; |
so->so_qlimit = min(backlog, somaxconn); |
so->so_qlimit = min(backlog, somaxconn); |
splx(s); |
splx(s); |
return (0); |
return 0; |
} |
} |
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void |
void |
Line 584 sofree(struct socket *so) |
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Line 626 sofree(struct socket *so) |
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RLIM_INFINITY); |
RLIM_INFINITY); |
sbrelease(&so->so_snd, so); |
sbrelease(&so->so_snd, so); |
sorflush(so); |
sorflush(so); |
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seldestroy(&so->so_rcv.sb_sel); |
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seldestroy(&so->so_snd.sb_sel); |
pool_put(&socket_pool, so); |
pool_put(&socket_pool, so); |
} |
} |
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Line 623 soclose(struct socket *so) |
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Line 667 soclose(struct socket *so) |
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(so->so_state & SS_NBIO)) |
(so->so_state & SS_NBIO)) |
goto drop; |
goto drop; |
while (so->so_state & SS_ISCONNECTED) { |
while (so->so_state & SS_ISCONNECTED) { |
error = tsleep((caddr_t)&so->so_timeo, |
error = tsleep((void *)&so->so_timeo, |
PSOCK | PCATCH, netcls, |
PSOCK | PCATCH, netcls, |
so->so_linger * hz); |
so->so_linger * hz); |
if (error) |
if (error) |
Line 634 soclose(struct socket *so) |
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Line 678 soclose(struct socket *so) |
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drop: |
drop: |
if (so->so_pcb) { |
if (so->so_pcb) { |
int error2 = (*so->so_proto->pr_usrreq)(so, PRU_DETACH, |
int error2 = (*so->so_proto->pr_usrreq)(so, PRU_DETACH, |
(struct mbuf *)0, (struct mbuf *)0, (struct mbuf *)0, |
NULL, NULL, NULL, NULL); |
(struct lwp *)0); |
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if (error == 0) |
if (error == 0) |
error = error2; |
error = error2; |
} |
} |
Line 654 soclose(struct socket *so) |
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Line 697 soclose(struct socket *so) |
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int |
int |
soabort(struct socket *so) |
soabort(struct socket *so) |
{ |
{ |
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int error; |
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return (*so->so_proto->pr_usrreq)(so, PRU_ABORT, (struct mbuf *)0, |
KASSERT(so->so_head == NULL); |
(struct mbuf *)0, (struct mbuf *)0, (struct lwp *)0); |
error = (*so->so_proto->pr_usrreq)(so, PRU_ABORT, NULL, |
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NULL, NULL, NULL); |
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if (error) { |
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sofree(so); |
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} |
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return error; |
} |
} |
|
|
int |
int |
Line 672 soaccept(struct socket *so, struct mbuf |
|
Line 721 soaccept(struct socket *so, struct mbuf |
|
if ((so->so_state & SS_ISDISCONNECTED) == 0 || |
if ((so->so_state & SS_ISDISCONNECTED) == 0 || |
(so->so_proto->pr_flags & PR_ABRTACPTDIS) == 0) |
(so->so_proto->pr_flags & PR_ABRTACPTDIS) == 0) |
error = (*so->so_proto->pr_usrreq)(so, PRU_ACCEPT, |
error = (*so->so_proto->pr_usrreq)(so, PRU_ACCEPT, |
(struct mbuf *)0, nam, (struct mbuf *)0, (struct lwp *)0); |
NULL, nam, NULL, NULL); |
else |
else |
error = ECONNABORTED; |
error = ECONNABORTED; |
|
|
Line 700 soconnect(struct socket *so, struct mbuf |
|
Line 749 soconnect(struct socket *so, struct mbuf |
|
error = EISCONN; |
error = EISCONN; |
else |
else |
error = (*so->so_proto->pr_usrreq)(so, PRU_CONNECT, |
error = (*so->so_proto->pr_usrreq)(so, PRU_CONNECT, |
(struct mbuf *)0, nam, (struct mbuf *)0, l); |
NULL, nam, NULL, l); |
splx(s); |
splx(s); |
return (error); |
return (error); |
} |
} |
Line 712 soconnect2(struct socket *so1, struct so |
|
Line 761 soconnect2(struct socket *so1, struct so |
|
|
|
s = splsoftnet(); |
s = splsoftnet(); |
error = (*so1->so_proto->pr_usrreq)(so1, PRU_CONNECT2, |
error = (*so1->so_proto->pr_usrreq)(so1, PRU_CONNECT2, |
(struct mbuf *)0, (struct mbuf *)so2, (struct mbuf *)0, |
NULL, (struct mbuf *)so2, NULL, NULL); |
(struct lwp *)0); |
|
splx(s); |
splx(s); |
return (error); |
return (error); |
} |
} |
Line 733 sodisconnect(struct socket *so) |
|
Line 781 sodisconnect(struct socket *so) |
|
goto bad; |
goto bad; |
} |
} |
error = (*so->so_proto->pr_usrreq)(so, PRU_DISCONNECT, |
error = (*so->so_proto->pr_usrreq)(so, PRU_DISCONNECT, |
(struct mbuf *)0, (struct mbuf *)0, (struct mbuf *)0, |
NULL, NULL, NULL, NULL); |
(struct lwp *)0); |
|
bad: |
bad: |
splx(s); |
splx(s); |
sodopendfree(); |
sodopendfree(); |
Line 851 sosend(struct socket *so, struct mbuf *a |
|
Line 898 sosend(struct socket *so, struct mbuf *a |
|
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 = (struct ifnet *)0; |
m->m_pkthdr.rcvif = NULL; |
} else { |
} else { |
m = m_get(M_WAIT, MT_DATA); |
m = m_get(M_WAIT, MT_DATA); |
mlen = MLEN; |
mlen = MLEN; |
Line 891 sosend(struct socket *so, struct mbuf *a |
|
Line 938 sosend(struct socket *so, struct mbuf *a |
|
if (atomic && top == 0 && len < mlen) |
if (atomic && top == 0 && len < mlen) |
MH_ALIGN(m, len); |
MH_ALIGN(m, len); |
} |
} |
error = uiomove(mtod(m, caddr_t), (int)len, |
error = uiomove(mtod(m, void *), (int)len, |
uio); |
uio); |
have_data: |
have_data: |
resid = uio->uio_resid; |
resid = uio->uio_resid; |
Line 992 soreceive(struct socket *so, struct mbuf |
|
Line 1039 soreceive(struct socket *so, struct mbuf |
|
if (flags & MSG_OOB) { |
if (flags & MSG_OOB) { |
m = m_get(M_WAIT, MT_DATA); |
m = m_get(M_WAIT, MT_DATA); |
error = (*pr->pr_usrreq)(so, PRU_RCVOOB, m, |
error = (*pr->pr_usrreq)(so, PRU_RCVOOB, m, |
(struct mbuf *)(long)(flags & MSG_PEEK), |
(struct mbuf *)(long)(flags & MSG_PEEK), NULL, l); |
(struct mbuf *)0, l); |
|
if (error) |
if (error) |
goto bad; |
goto bad; |
do { |
do { |
error = uiomove(mtod(m, caddr_t), |
error = uiomove(mtod(m, void *), |
(int) min(uio->uio_resid, m->m_len), uio); |
(int) min(uio->uio_resid, m->m_len), uio); |
m = m_free(m); |
m = m_free(m); |
} while (uio->uio_resid && error == 0 && m); |
} while (uio->uio_resid && error == 0 && m); |
Line 1007 soreceive(struct socket *so, struct mbuf |
|
Line 1053 soreceive(struct socket *so, struct mbuf |
|
return (error); |
return (error); |
} |
} |
if (mp) |
if (mp) |
*mp = (struct mbuf *)0; |
*mp = NULL; |
if (so->so_state & SS_ISCONFIRMING && uio->uio_resid) |
if (so->so_state & SS_ISCONFIRMING && uio->uio_resid) |
(*pr->pr_usrreq)(so, PRU_RCVD, (struct mbuf *)0, |
(*pr->pr_usrreq)(so, PRU_RCVD, NULL, NULL, NULL, l); |
(struct mbuf *)0, (struct mbuf *)0, l); |
|
|
|
restart: |
restart: |
if ((error = sblock(&so->so_rcv, SBLOCKWAIT(flags))) != 0) |
if ((error = sblock(&so->so_rcv, SBLOCKWAIT(flags))) != 0) |
Line 1211 soreceive(struct socket *so, struct mbuf |
|
Line 1256 soreceive(struct socket *so, struct mbuf |
|
SBLASTRECORDCHK(&so->so_rcv, "soreceive uiomove"); |
SBLASTRECORDCHK(&so->so_rcv, "soreceive uiomove"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive uiomove"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive uiomove"); |
splx(s); |
splx(s); |
error = uiomove(mtod(m, caddr_t) + moff, (int)len, uio); |
error = uiomove(mtod(m, char *) + moff, (int)len, uio); |
s = splsoftnet(); |
s = splsoftnet(); |
if (error) { |
if (error) { |
/* |
/* |
Line 1246 soreceive(struct socket *so, struct mbuf |
|
Line 1291 soreceive(struct socket *so, struct mbuf |
|
*mp = m; |
*mp = m; |
mp = &m->m_next; |
mp = &m->m_next; |
so->so_rcv.sb_mb = m = m->m_next; |
so->so_rcv.sb_mb = m = m->m_next; |
*mp = (struct mbuf *)0; |
*mp = NULL; |
} else { |
} else { |
MFREE(m, so->so_rcv.sb_mb); |
MFREE(m, so->so_rcv.sb_mb); |
m = so->so_rcv.sb_mb; |
m = so->so_rcv.sb_mb; |
Line 1317 soreceive(struct socket *so, struct mbuf |
|
Line 1362 soreceive(struct socket *so, struct mbuf |
|
*/ |
*/ |
if ((pr->pr_flags & PR_WANTRCVD) && so->so_pcb) |
if ((pr->pr_flags & PR_WANTRCVD) && so->so_pcb) |
(*pr->pr_usrreq)(so, PRU_RCVD, |
(*pr->pr_usrreq)(so, PRU_RCVD, |
(struct mbuf *)0, |
NULL, (struct mbuf *)(long)flags, NULL, l); |
(struct mbuf *)(long)flags, |
|
(struct mbuf *)0, l); |
|
SBLASTRECORDCHK(&so->so_rcv, "soreceive sbwait 2"); |
SBLASTRECORDCHK(&so->so_rcv, "soreceive sbwait 2"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive sbwait 2"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive sbwait 2"); |
error = sbwait(&so->so_rcv); |
error = sbwait(&so->so_rcv); |
Line 1355 soreceive(struct socket *so, struct mbuf |
|
Line 1398 soreceive(struct socket *so, struct mbuf |
|
SBLASTRECORDCHK(&so->so_rcv, "soreceive 4"); |
SBLASTRECORDCHK(&so->so_rcv, "soreceive 4"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive 4"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive 4"); |
if (pr->pr_flags & PR_WANTRCVD && so->so_pcb) |
if (pr->pr_flags & PR_WANTRCVD && so->so_pcb) |
(*pr->pr_usrreq)(so, PRU_RCVD, (struct mbuf *)0, |
(*pr->pr_usrreq)(so, PRU_RCVD, NULL, |
(struct mbuf *)(long)flags, (struct mbuf *)0, l); |
(struct mbuf *)(long)flags, NULL, l); |
} |
} |
if (orig_resid == uio->uio_resid && orig_resid && |
if (orig_resid == uio->uio_resid && orig_resid && |
(flags & MSG_EOR) == 0 && (so->so_state & SS_CANTRCVMORE) == 0) { |
(flags & MSG_EOR) == 0 && (so->so_state & SS_CANTRCVMORE) == 0) { |
Line 1385 soshutdown(struct socket *so, int how) |
|
Line 1428 soshutdown(struct socket *so, int how) |
|
if (how == SHUT_RD || how == SHUT_RDWR) |
if (how == SHUT_RD || how == SHUT_RDWR) |
sorflush(so); |
sorflush(so); |
if (how == SHUT_WR || how == SHUT_RDWR) |
if (how == SHUT_WR || how == SHUT_RDWR) |
return (*pr->pr_usrreq)(so, PRU_SHUTDOWN, (struct mbuf *)0, |
return (*pr->pr_usrreq)(so, PRU_SHUTDOWN, NULL, |
(struct mbuf *)0, (struct mbuf *)0, (struct lwp *)0); |
NULL, NULL, NULL); |
return (0); |
return (0); |
} |
} |
|
|
Line 1417 sorflush(struct socket *so) |
|
Line 1460 sorflush(struct socket *so) |
|
sbrelease(&asb, so); |
sbrelease(&asb, so); |
} |
} |
|
|
int |
static int |
sosetopt(struct socket *so, int level, int optname, struct mbuf *m0) |
sosetopt1(struct socket *so, int level, int optname, struct mbuf *m) |
{ |
{ |
int error; |
int optval, val; |
struct mbuf *m; |
struct linger *l; |
|
struct sockbuf *sb; |
|
struct timeval *tv; |
|
|
error = 0; |
switch (optname) { |
m = m0; |
|
if (level != SOL_SOCKET) { |
|
if (so->so_proto && so->so_proto->pr_ctloutput) |
|
return ((*so->so_proto->pr_ctloutput) |
|
(PRCO_SETOPT, so, level, optname, &m0)); |
|
error = ENOPROTOOPT; |
|
} else { |
|
switch (optname) { |
|
|
|
case SO_LINGER: |
case SO_LINGER: |
if (m == NULL || m->m_len != sizeof(struct linger)) { |
if (m == NULL || m->m_len != sizeof(struct linger)) |
error = EINVAL; |
return EINVAL; |
goto bad; |
l = mtod(m, struct linger *); |
} |
if (l->l_linger < 0 || l->l_linger > USHRT_MAX || |
if (mtod(m, struct linger *)->l_linger < 0 || |
l->l_linger > (INT_MAX / hz)) |
mtod(m, struct linger *)->l_linger > (INT_MAX / hz)) { |
return EDOM; |
error = EDOM; |
so->so_linger = l->l_linger; |
goto bad; |
if (l->l_onoff) |
} |
so->so_options |= SO_LINGER; |
so->so_linger = mtod(m, struct linger *)->l_linger; |
else |
/* fall thru... */ |
so->so_options &= ~SO_LINGER; |
|
break; |
|
|
case SO_DEBUG: |
case SO_DEBUG: |
case SO_KEEPALIVE: |
case SO_KEEPALIVE: |
case SO_DONTROUTE: |
case SO_DONTROUTE: |
case SO_USELOOPBACK: |
case SO_USELOOPBACK: |
case SO_BROADCAST: |
case SO_BROADCAST: |
case SO_REUSEADDR: |
case SO_REUSEADDR: |
case SO_REUSEPORT: |
case SO_REUSEPORT: |
case SO_OOBINLINE: |
case SO_OOBINLINE: |
case SO_TIMESTAMP: |
case SO_TIMESTAMP: |
if (m == NULL || m->m_len < sizeof(int)) { |
if (m == NULL || m->m_len < sizeof(int)) |
error = EINVAL; |
return EINVAL; |
goto bad; |
if (*mtod(m, int *)) |
} |
so->so_options |= optname; |
if (*mtod(m, int *)) |
else |
so->so_options |= optname; |
so->so_options &= ~optname; |
else |
break; |
so->so_options &= ~optname; |
|
break; |
case SO_SNDBUF: |
|
case SO_RCVBUF: |
|
case SO_SNDLOWAT: |
|
case SO_RCVLOWAT: |
|
if (m == NULL || m->m_len < sizeof(int)) |
|
return EINVAL; |
|
|
|
/* |
|
* Values < 1 make no sense for any of these |
|
* options, so disallow them. |
|
*/ |
|
optval = *mtod(m, int *); |
|
if (optval < 1) |
|
return EINVAL; |
|
|
|
switch (optname) { |
|
|
case SO_SNDBUF: |
case SO_SNDBUF: |
case SO_RCVBUF: |
case SO_RCVBUF: |
|
sb = (optname == SO_SNDBUF) ? |
|
&so->so_snd : &so->so_rcv; |
|
if (sbreserve(sb, (u_long)optval, so) == 0) |
|
return ENOBUFS; |
|
sb->sb_flags &= ~SB_AUTOSIZE; |
|
break; |
|
|
|
/* |
|
* Make sure the low-water is never greater than |
|
* the high-water. |
|
*/ |
case SO_SNDLOWAT: |
case SO_SNDLOWAT: |
|
so->so_snd.sb_lowat = |
|
(optval > so->so_snd.sb_hiwat) ? |
|
so->so_snd.sb_hiwat : optval; |
|
break; |
case SO_RCVLOWAT: |
case SO_RCVLOWAT: |
{ |
so->so_rcv.sb_lowat = |
int optval; |
(optval > so->so_rcv.sb_hiwat) ? |
|
so->so_rcv.sb_hiwat : optval; |
if (m == NULL || m->m_len < sizeof(int)) { |
break; |
error = EINVAL; |
} |
goto bad; |
break; |
} |
|
|
|
/* |
|
* Values < 1 make no sense for any of these |
|
* options, so disallow them. |
|
*/ |
|
optval = *mtod(m, int *); |
|
if (optval < 1) { |
|
error = EINVAL; |
|
goto bad; |
|
} |
|
|
|
switch (optname) { |
|
|
|
case SO_SNDBUF: |
case SO_SNDTIMEO: |
case SO_RCVBUF: |
case SO_RCVTIMEO: |
if (sbreserve(optname == SO_SNDBUF ? |
if (m == NULL || m->m_len < sizeof(*tv)) |
&so->so_snd : &so->so_rcv, |
return EINVAL; |
(u_long) optval, so) == 0) { |
tv = mtod(m, struct timeval *); |
error = ENOBUFS; |
if (tv->tv_sec > (INT_MAX - tv->tv_usec / tick) / hz) |
goto bad; |
return EDOM; |
} |
val = tv->tv_sec * hz + tv->tv_usec / tick; |
break; |
if (val == 0 && tv->tv_usec != 0) |
|
val = 1; |
|
|
/* |
switch (optname) { |
* Make sure the low-water is never greater than |
|
* the high-water. |
|
*/ |
|
case SO_SNDLOWAT: |
|
so->so_snd.sb_lowat = |
|
(optval > so->so_snd.sb_hiwat) ? |
|
so->so_snd.sb_hiwat : optval; |
|
break; |
|
case SO_RCVLOWAT: |
|
so->so_rcv.sb_lowat = |
|
(optval > so->so_rcv.sb_hiwat) ? |
|
so->so_rcv.sb_hiwat : optval; |
|
break; |
|
} |
|
break; |
|
} |
|
|
|
case SO_SNDTIMEO: |
case SO_SNDTIMEO: |
|
so->so_snd.sb_timeo = val; |
|
break; |
case SO_RCVTIMEO: |
case SO_RCVTIMEO: |
{ |
so->so_rcv.sb_timeo = val; |
struct timeval *tv; |
break; |
int val; |
} |
|
break; |
|
|
if (m == NULL || m->m_len < sizeof(*tv)) { |
default: |
error = EINVAL; |
return ENOPROTOOPT; |
goto bad; |
} |
} |
return 0; |
tv = mtod(m, struct timeval *); |
} |
if (tv->tv_sec > (INT_MAX - tv->tv_usec / tick) / hz) { |
|
error = EDOM; |
|
goto bad; |
|
} |
|
val = tv->tv_sec * hz + tv->tv_usec / tick; |
|
if (val == 0 && tv->tv_usec != 0) |
|
val = 1; |
|
|
|
switch (optname) { |
int |
|
sosetopt(struct socket *so, int level, int optname, struct mbuf *m) |
|
{ |
|
int error, prerr; |
|
|
case SO_SNDTIMEO: |
if (level == SOL_SOCKET) |
so->so_snd.sb_timeo = val; |
error = sosetopt1(so, level, optname, m); |
break; |
else |
case SO_RCVTIMEO: |
error = ENOPROTOOPT; |
so->so_rcv.sb_timeo = val; |
|
break; |
|
} |
|
break; |
|
} |
|
|
|
default: |
if ((error == 0 || error == ENOPROTOOPT) && |
error = ENOPROTOOPT; |
so->so_proto != NULL && so->so_proto->pr_ctloutput != NULL) { |
break; |
/* give the protocol stack a shot */ |
} |
prerr = (*so->so_proto->pr_ctloutput)(PRCO_SETOPT, so, level, |
if (error == 0 && so->so_proto && so->so_proto->pr_ctloutput) { |
optname, &m); |
(void) ((*so->so_proto->pr_ctloutput) |
if (prerr == 0) |
(PRCO_SETOPT, so, level, optname, &m0)); |
error = 0; |
m = NULL; /* freed by protocol */ |
else if (prerr != ENOPROTOOPT) |
} |
error = prerr; |
} |
} else if (m != NULL) |
bad: |
(void)m_free(m); |
if (m) |
return error; |
(void) m_free(m); |
|
return (error); |
|
} |
} |
|
|
int |
int |
Line 1584 sogetopt(struct socket *so, int level, i |
|
Line 1616 sogetopt(struct socket *so, int level, i |
|
case SO_LINGER: |
case SO_LINGER: |
m->m_len = sizeof(struct linger); |
m->m_len = sizeof(struct linger); |
mtod(m, struct linger *)->l_onoff = |
mtod(m, struct linger *)->l_onoff = |
so->so_options & SO_LINGER; |
(so->so_options & SO_LINGER) ? 1 : 0; |
mtod(m, struct linger *)->l_linger = so->so_linger; |
mtod(m, struct linger *)->l_linger = so->so_linger; |
break; |
break; |
|
|
Line 1597 sogetopt(struct socket *so, int level, i |
|
Line 1629 sogetopt(struct socket *so, int level, i |
|
case SO_BROADCAST: |
case SO_BROADCAST: |
case SO_OOBINLINE: |
case SO_OOBINLINE: |
case SO_TIMESTAMP: |
case SO_TIMESTAMP: |
*mtod(m, int *) = so->so_options & optname; |
*mtod(m, int *) = (so->so_options & optname) ? 1 : 0; |
break; |
break; |
|
|
case SO_TYPE: |
case SO_TYPE: |
Line 1787 sysctl_kern_somaxkva(SYSCTLFN_ARGS) |
|
Line 1819 sysctl_kern_somaxkva(SYSCTLFN_ARGS) |
|
{ |
{ |
int error, new_somaxkva; |
int error, new_somaxkva; |
struct sysctlnode node; |
struct sysctlnode node; |
int s; |
|
|
|
new_somaxkva = somaxkva; |
new_somaxkva = somaxkva; |
node = *rnode; |
node = *rnode; |
Line 1799 sysctl_kern_somaxkva(SYSCTLFN_ARGS) |
|
Line 1830 sysctl_kern_somaxkva(SYSCTLFN_ARGS) |
|
if (new_somaxkva < (16 * 1024 * 1024)) /* sanity */ |
if (new_somaxkva < (16 * 1024 * 1024)) /* sanity */ |
return (EINVAL); |
return (EINVAL); |
|
|
s = splvm(); |
mutex_enter(&so_pendfree_lock); |
simple_lock(&so_pendfree_slock); |
|
somaxkva = new_somaxkva; |
somaxkva = new_somaxkva; |
wakeup(&socurkva); |
cv_broadcast(&socurkva_cv); |
simple_unlock(&so_pendfree_slock); |
mutex_exit(&so_pendfree_lock); |
splx(s); |
|
|
|
return (error); |
return (error); |
} |
} |