version 1.153, 2008/03/01 14:16:51 |
version 1.156, 2008/03/24 12:24:37 |
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/* $NetBSD$ */ |
/* $NetBSD$ */ |
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/*- |
/*- |
* Copyright (c) 2002, 2007 The NetBSD Foundation, Inc. |
* Copyright (c) 2002, 2007, 2008 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 253 sokvafree(vaddr_t sva, vsize_t len) |
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Line 253 sokvafree(vaddr_t sva, vsize_t len) |
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static void |
static void |
sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
sodoloanfree(struct vm_page **pgs, void *buf, size_t size) |
{ |
{ |
vaddr_t va, sva, eva; |
vaddr_t sva, eva; |
vsize_t len; |
vsize_t len; |
paddr_t pa; |
int npgs; |
int i, npgs; |
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KASSERT(pgs != NULL); |
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eva = round_page((vaddr_t) buf + size); |
eva = round_page((vaddr_t) buf + size); |
sva = trunc_page((vaddr_t) buf); |
sva = trunc_page((vaddr_t) buf); |
len = eva - sva; |
len = eva - sva; |
npgs = len >> PAGE_SHIFT; |
npgs = len >> PAGE_SHIFT; |
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if (__predict_false(pgs == NULL)) { |
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pgs = alloca(npgs * sizeof(*pgs)); |
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for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
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if (pmap_extract(pmap_kernel(), va, &pa) == false) |
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panic("sodoloanfree: va 0x%lx not mapped", va); |
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pgs[i] = PHYS_TO_VM_PAGE(pa); |
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} |
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} |
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pmap_kremove(sva, len); |
pmap_kremove(sva, len); |
pmap_update(pmap_kernel()); |
pmap_update(pmap_kernel()); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
Line 313 sodopendfreel(void) |
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Line 304 sodopendfreel(void) |
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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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KASSERT((~m->m_flags & (M_EXT|M_EXT_PAGES)) == 0); |
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KASSERT(m->m_ext.ext_refcnt == 0); |
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rv += m->m_ext.ext_size; |
rv += m->m_ext.ext_size; |
sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
sodoloanfree(m->m_ext.ext_pgs, m->m_ext.ext_buf, |
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
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m->m_ext.ext_size); |
m->m_ext.ext_size); |
pool_cache_put(mb_cache, m); |
pool_cache_put(mb_cache, m); |
} |
} |
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soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
soloanfree(struct mbuf *m, void *buf, size_t size, void *arg) |
{ |
{ |
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if (m == NULL) { |
KASSERT(m != NULL); |
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/* |
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* called from MEXTREMOVE. |
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*/ |
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sodoloanfree(NULL, buf, size); |
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return; |
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} |
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/* |
/* |
* postpone freeing mbuf. |
* postpone freeing mbuf. |
Line 361 sosend_loan(struct socket *so, struct ui |
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Line 345 sosend_loan(struct socket *so, struct ui |
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struct iovec *iov = uio->uio_iov; |
struct iovec *iov = uio->uio_iov; |
vaddr_t sva, eva; |
vaddr_t sva, eva; |
vsize_t len; |
vsize_t len; |
vaddr_t lva, va; |
vaddr_t lva; |
int npgs, i, error; |
int npgs, error; |
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vaddr_t va; |
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int i; |
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if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
return (0); |
return (0); |
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fsocreate(int domain, struct socket **sop, int type, int protocol, |
fsocreate(int domain, struct socket **sop, int type, int protocol, |
struct lwp *l, int *fdout) |
struct lwp *l, int *fdout) |
{ |
{ |
struct filedesc *fdp; |
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struct socket *so; |
struct socket *so; |
struct file *fp; |
struct file *fp; |
int fd, error; |
int fd, error; |
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fdp = l->l_proc->p_fd; |
if ((error = fd_allocfile(&fp, &fd)) != 0) |
/* falloc() will use the desciptor for us */ |
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if ((error = falloc(l, &fp, &fd)) != 0) |
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return (error); |
return (error); |
fp->f_flag = FREAD|FWRITE; |
fp->f_flag = FREAD|FWRITE; |
fp->f_type = DTYPE_SOCKET; |
fp->f_type = DTYPE_SOCKET; |
fp->f_ops = &socketops; |
fp->f_ops = &socketops; |
error = socreate(domain, &so, type, protocol, l); |
error = socreate(domain, &so, type, protocol, l); |
if (error != 0) { |
if (error != 0) { |
FILE_UNUSE(fp, l); |
fd_abort(curproc, fp, fd); |
fdremove(fdp, fd); |
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ffree(fp); |
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} else { |
} else { |
if (sop != NULL) |
if (sop != NULL) |
*sop = so; |
*sop = so; |
fp->f_data = so; |
fp->f_data = so; |
FILE_SET_MATURE(fp); |
fd_affix(curproc, fp, fd); |
FILE_UNUSE(fp, l); |
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*fdout = fd; |
*fdout = fd; |
} |
} |
return error; |
return error; |
Line 1692 filt_sordetach(struct knote *kn) |
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Line 1672 filt_sordetach(struct knote *kn) |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = (struct socket *)kn->kn_fp->f_data; |
so = ((file_t *)kn->kn_obj)->f_data; |
SLIST_REMOVE(&so->so_rcv.sb_sel.sel_klist, kn, knote, kn_selnext); |
SLIST_REMOVE(&so->so_rcv.sb_sel.sel_klist, kn, knote, kn_selnext); |
if (SLIST_EMPTY(&so->so_rcv.sb_sel.sel_klist)) |
if (SLIST_EMPTY(&so->so_rcv.sb_sel.sel_klist)) |
so->so_rcv.sb_flags &= ~SB_KNOTE; |
so->so_rcv.sb_flags &= ~SB_KNOTE; |
Line 1704 filt_soread(struct knote *kn, long hint) |
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Line 1684 filt_soread(struct knote *kn, long hint) |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = (struct socket *)kn->kn_fp->f_data; |
so = ((file_t *)kn->kn_obj)->f_data; |
kn->kn_data = so->so_rcv.sb_cc; |
kn->kn_data = so->so_rcv.sb_cc; |
if (so->so_state & SS_CANTRCVMORE) { |
if (so->so_state & SS_CANTRCVMORE) { |
kn->kn_flags |= EV_EOF; |
kn->kn_flags |= EV_EOF; |
Line 1723 filt_sowdetach(struct knote *kn) |
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Line 1703 filt_sowdetach(struct knote *kn) |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = (struct socket *)kn->kn_fp->f_data; |
so = ((file_t *)kn->kn_obj)->f_data; |
SLIST_REMOVE(&so->so_snd.sb_sel.sel_klist, kn, knote, kn_selnext); |
SLIST_REMOVE(&so->so_snd.sb_sel.sel_klist, kn, knote, kn_selnext); |
if (SLIST_EMPTY(&so->so_snd.sb_sel.sel_klist)) |
if (SLIST_EMPTY(&so->so_snd.sb_sel.sel_klist)) |
so->so_snd.sb_flags &= ~SB_KNOTE; |
so->so_snd.sb_flags &= ~SB_KNOTE; |
Line 1735 filt_sowrite(struct knote *kn, long hint |
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Line 1715 filt_sowrite(struct knote *kn, long hint |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = (struct socket *)kn->kn_fp->f_data; |
so = ((file_t *)kn->kn_obj)->f_data; |
kn->kn_data = sbspace(&so->so_snd); |
kn->kn_data = sbspace(&so->so_snd); |
if (so->so_state & SS_CANTSENDMORE) { |
if (so->so_state & SS_CANTSENDMORE) { |
kn->kn_flags |= EV_EOF; |
kn->kn_flags |= EV_EOF; |
Line 1758 filt_solisten(struct knote *kn, long hin |
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Line 1738 filt_solisten(struct knote *kn, long hin |
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{ |
{ |
struct socket *so; |
struct socket *so; |
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so = (struct socket *)kn->kn_fp->f_data; |
so = ((file_t *)kn->kn_obj)->f_data; |
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/* |
/* |
* Set kn_data to number of incoming connections, not |
* Set kn_data to number of incoming connections, not |
Line 1781 soo_kqfilter(struct file *fp, struct kno |
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Line 1761 soo_kqfilter(struct file *fp, struct kno |
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struct socket *so; |
struct socket *so; |
struct sockbuf *sb; |
struct sockbuf *sb; |
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so = (struct socket *)kn->kn_fp->f_data; |
so = ((file_t *)kn->kn_obj)->f_data; |
switch (kn->kn_filter) { |
switch (kn->kn_filter) { |
case EVFILT_READ: |
case EVFILT_READ: |
if (so->so_options & SO_ACCEPTCONN) |
if (so->so_options & SO_ACCEPTCONN) |
Line 1802 soo_kqfilter(struct file *fp, struct kno |
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Line 1782 soo_kqfilter(struct file *fp, struct kno |
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return (0); |
return (0); |
} |
} |
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static int |
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sodopoll(struct socket *so, int events) |
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{ |
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int revents; |
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revents = 0; |
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if (events & (POLLIN | POLLRDNORM)) |
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if (soreadable(so)) |
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revents |= events & (POLLIN | POLLRDNORM); |
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if (events & (POLLOUT | POLLWRNORM)) |
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if (sowritable(so)) |
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revents |= events & (POLLOUT | POLLWRNORM); |
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if (events & (POLLPRI | POLLRDBAND)) |
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if (so->so_oobmark || (so->so_state & SS_RCVATMARK)) |
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revents |= events & (POLLPRI | POLLRDBAND); |
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return revents; |
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} |
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int |
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sopoll(struct socket *so, int events) |
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{ |
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int revents = 0; |
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int s; |
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if ((revents = sodopoll(so, events)) != 0) |
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return revents; |
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KERNEL_LOCK(1, curlwp); |
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s = splsoftnet(); |
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if ((revents = sodopoll(so, events)) == 0) { |
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if (events & (POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND)) { |
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selrecord(curlwp, &so->so_rcv.sb_sel); |
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so->so_rcv.sb_flags |= SB_SEL; |
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} |
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if (events & (POLLOUT | POLLWRNORM)) { |
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selrecord(curlwp, &so->so_snd.sb_sel); |
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so->so_snd.sb_flags |= SB_SEL; |
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} |
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} |
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splx(s); |
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KERNEL_UNLOCK_ONE(curlwp); |
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return revents; |
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} |
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#include <sys/sysctl.h> |
#include <sys/sysctl.h> |
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static int sysctl_kern_somaxkva(SYSCTLFN_PROTO); |
static int sysctl_kern_somaxkva(SYSCTLFN_PROTO); |