version 1.111.2.6, 2007/02/26 09:11:20 |
version 1.115.6.2, 2006/06/01 22:38:09 |
Line 130 EVCNT_ATTACH_STATIC(sosend_kvalimit); |
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Line 130 EVCNT_ATTACH_STATIC(sosend_kvalimit); |
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static struct callback_entry sokva_reclaimerentry; |
static struct callback_entry sokva_reclaimerentry; |
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#ifdef SOSEND_NO_LOAN |
#ifdef SOSEND_NO_LOAN |
int sock_loan_thresh = -1; |
int use_sosend_loan = 0; |
#else |
#else |
int sock_loan_thresh = 4096; |
int use_sosend_loan = 1; |
#endif |
#endif |
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static struct simplelock so_pendfree_slock = SIMPLELOCK_INITIALIZER; |
static struct simplelock so_pendfree_slock = SIMPLELOCK_INITIALIZER; |
Line 145 int somaxkva = SOMAXKVA; |
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Line 145 int somaxkva = SOMAXKVA; |
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static int socurkva; |
static int socurkva; |
static int sokvawaiters; |
static int sokvawaiters; |
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#define SOCK_LOAN_THRESH 4096 |
#define SOCK_LOAN_CHUNK 65536 |
#define SOCK_LOAN_CHUNK 65536 |
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static size_t sodopendfree(void); |
static size_t sodopendfree(void); |
Line 255 sokvafree(vaddr_t sva, vsize_t len) |
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Line 256 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, bool mapped) |
sodoloanfree(struct vm_page **pgs, caddr_t buf, size_t size) |
{ |
{ |
vaddr_t sva, eva; |
vaddr_t va, sva, eva; |
vsize_t len; |
vsize_t len; |
int npgs; |
paddr_t pa; |
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int i, npgs; |
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 (mapped) { |
if (__predict_false(pgs == NULL)) { |
pmap_kremove(sva, len); |
pgs = alloca(npgs * sizeof(*pgs)); |
pmap_update(pmap_kernel()); |
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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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pmap_kremove(sva, len); |
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pmap_update(pmap_kernel()); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
uvm_unloan(pgs, npgs, UVM_LOAN_TOPAGE); |
sokvafree(sva, len); |
sokvafree(sva, len); |
} |
} |
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for (; m != NULL; m = next) { |
for (; m != NULL; m = next) { |
next = m->m_next; |
next = m->m_next; |
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_ext.ext_pgs, m->m_ext.ext_buf, |
sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
m->m_ext.ext_size, |
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
(m->m_ext.ext_flags & M_EXT_LAZY) == 0); |
m->m_ext.ext_size); |
pool_cache_put(&mbpool_cache, m); |
pool_cache_put(&mbpool_cache, m); |
} |
} |
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Line 341 soloanfree(struct mbuf *m, caddr_t buf, |
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Line 347 soloanfree(struct mbuf *m, caddr_t buf, |
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{ |
{ |
int s; |
int s; |
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KASSERT(m != NULL); |
if (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 366 sosend_loan(struct socket *so, struct ui |
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Line 380 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; |
vaddr_t lva, va; |
int npgs, error; |
int npgs, i, error; |
#if !defined(__HAVE_LAZY_MBUF) |
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vaddr_t va; |
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int i; |
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#endif /* !defined(__HAVE_LAZY_MBUF) */ |
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if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
if (VMSPACE_IS_KERNEL_P(uio->uio_vmspace)) |
return (0); |
return (0); |
Line 400 sosend_loan(struct socket *so, struct ui |
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Line 410 sosend_loan(struct socket *so, struct ui |
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return (0); |
return (0); |
} |
} |
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#if !defined(__HAVE_LAZY_MBUF) |
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for (i = 0, va = lva; i < npgs; i++, va += PAGE_SIZE) |
for (i = 0, va = lva; i < npgs; i++, va += PAGE_SIZE) |
pmap_kenter_pa(va, VM_PAGE_TO_PHYS(m->m_ext.ext_pgs[i]), |
pmap_kenter_pa(va, VM_PAGE_TO_PHYS(m->m_ext.ext_pgs[i]), |
VM_PROT_READ); |
VM_PROT_READ); |
pmap_update(pmap_kernel()); |
pmap_update(pmap_kernel()); |
#endif /* !defined(__HAVE_LAZY_MBUF) */ |
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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, (caddr_t) 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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#if defined(__HAVE_LAZY_MBUF) |
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m->m_flags |= M_EXT_LAZY; |
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m->m_ext.ext_flags |= M_EXT_LAZY; |
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#endif /* defined(__HAVE_LAZY_MBUF) */ |
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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 = (caddr_t) uio->uio_iov->iov_base + space; |
Line 471 socreate(int dom, struct socket **aso, i |
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Line 474 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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error = kauth_authorize_network(l->l_cred, KAUTH_NETWORK_SOCKET, |
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KAUTH_REQ_NETWORK_SOCKET_OPEN, KAUTH_ARG(dom), KAUTH_ARG(type), |
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KAUTH_ARG(proto)); |
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if (error) |
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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 == 0 || prp->pr_usrreq == 0) |
/* no support for domain */ |
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if (pffinddomain(dom) == 0) |
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return (EAFNOSUPPORT); |
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/* no support for socket type */ |
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if (proto == 0 && type != 0) |
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return (EPROTOTYPE); |
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return (EPROTONOSUPPORT); |
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} |
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if (prp->pr_usrreq == 0) |
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return (EPROTONOSUPPORT); |
return (EPROTONOSUPPORT); |
if (prp->pr_type != type) |
if (prp->pr_type != type) |
return (EPROTOTYPE); |
return (EPROTOTYPE); |
Line 509 socreate(int dom, struct socket **aso, i |
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Line 497 socreate(int dom, struct socket **aso, i |
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so->so_mowner = &prp->pr_domain->dom_mowner; |
so->so_mowner = &prp->pr_domain->dom_mowner; |
#endif |
#endif |
if (l != NULL) { |
if (l != NULL) { |
uid = kauth_cred_geteuid(l->l_cred); |
uid = kauth_cred_geteuid(l->l_proc->p_cred); |
} else { |
} else { |
uid = 0; |
uid = 0; |
} |
} |
Line 856 sosend(struct socket *so, struct mbuf *a |
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Line 844 sosend(struct socket *so, struct mbuf *a |
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mlen = MLEN; |
mlen = MLEN; |
} |
} |
MCLAIM(m, so->so_snd.sb_mowner); |
MCLAIM(m, so->so_snd.sb_mowner); |
if (sock_loan_thresh >= 0 && |
if (use_sosend_loan && |
uio->uio_iov->iov_len >= sock_loan_thresh && |
uio->uio_iov->iov_len >= SOCK_LOAN_THRESH && |
space >= sock_loan_thresh && |
space >= SOCK_LOAN_THRESH && |
(len = sosend_loan(so, uio, m, |
(len = sosend_loan(so, uio, m, |
space)) != 0) { |
space)) != 0) { |
SOSEND_COUNTER_INCR(&sosend_loan_big); |
SOSEND_COUNTER_INCR(&sosend_loan_big); |
Line 1421 sosetopt(struct socket *so, int level, i |
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Line 1409 sosetopt(struct socket *so, int level, i |
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{ |
{ |
int error; |
int error; |
struct mbuf *m; |
struct mbuf *m; |
struct linger *l; |
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error = 0; |
error = 0; |
m = m0; |
m = m0; |
Line 1438 sosetopt(struct socket *so, int level, i |
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Line 1425 sosetopt(struct socket *so, int level, i |
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error = EINVAL; |
error = EINVAL; |
goto bad; |
goto bad; |
} |
} |
l = mtod(m, struct linger *); |
if (mtod(m, struct linger *)->l_linger < 0 || |
if (l->l_linger < 0 || l->l_linger > USHRT_MAX || |
mtod(m, struct linger *)->l_linger > (INT_MAX / hz)) { |
l->l_linger > (INT_MAX / hz)) { |
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error = EDOM; |
error = EDOM; |
goto bad; |
goto bad; |
} |
} |
so->so_linger = l->l_linger; |
so->so_linger = mtod(m, struct linger *)->l_linger; |
if (l->l_onoff) |
/* fall thru... */ |
so->so_options |= SO_LINGER; |
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else |
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so->so_options &= ~SO_LINGER; |
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break; |
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case SO_DEBUG: |
case SO_DEBUG: |
case SO_KEEPALIVE: |
case SO_KEEPALIVE: |
Line 1589 sogetopt(struct socket *so, int level, i |
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Line 1571 sogetopt(struct socket *so, int level, i |
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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) ? 1 : 0; |
so->so_options & SO_LINGER; |
mtod(m, struct linger *)->l_linger = so->so_linger; |
mtod(m, struct linger *)->l_linger = so->so_linger; |
break; |
break; |
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Line 1602 sogetopt(struct socket *so, int level, i |
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Line 1584 sogetopt(struct socket *so, int level, i |
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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) ? 1 : 0; |
*mtod(m, int *) = so->so_options & optname; |
break; |
break; |
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case SO_TYPE: |
case SO_TYPE: |