version 1.116.4.1, 2006/03/08 00:53:41 |
version 1.118.2.1, 2006/06/19 04:07:16 |
Line 91 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 91 __KERNEL_RCSID(0, "$NetBSD$"); |
|
#include <sys/pool.h> |
#include <sys/pool.h> |
#include <sys/event.h> |
#include <sys/event.h> |
#include <sys/poll.h> |
#include <sys/poll.h> |
|
#include <sys/kauth.h> |
|
|
#include <uvm/uvm.h> |
#include <uvm/uvm.h> |
|
|
Line 126 EVCNT_ATTACH_STATIC(sosend_kvalimit); |
|
Line 127 EVCNT_ATTACH_STATIC(sosend_kvalimit); |
|
|
|
#endif /* SOSEND_COUNTERS */ |
#endif /* SOSEND_COUNTERS */ |
|
|
void |
static struct callback_entry sokva_reclaimerentry; |
soinit(void) |
|
{ |
|
|
|
/* Set the initial adjusted socket buffer size. */ |
|
if (sb_max_set(sb_max)) |
|
panic("bad initial sb_max value: %lu", sb_max); |
|
|
|
} |
|
|
|
#ifdef SOSEND_NO_LOAN |
#ifdef SOSEND_NO_LOAN |
int use_sosend_loan = 0; |
int use_sosend_loan = 0; |
Line 155 static int sokvawaiters; |
|
Line 148 static int sokvawaiters; |
|
#define SOCK_LOAN_THRESH 4096 |
#define SOCK_LOAN_THRESH 4096 |
#define SOCK_LOAN_CHUNK 65536 |
#define SOCK_LOAN_CHUNK 65536 |
|
|
static size_t sodopendfree(struct socket *); |
static size_t sodopendfree(void); |
static size_t sodopendfreel(struct socket *); |
static size_t sodopendfreel(void); |
|
|
static vsize_t |
static vsize_t |
sokvareserve(struct socket *so, vsize_t len) |
sokvareserve(struct socket *so, vsize_t len) |
Line 173 sokvareserve(struct socket *so, vsize_t |
|
Line 166 sokvareserve(struct socket *so, vsize_t |
|
* try to do pendfree. |
* try to do pendfree. |
*/ |
*/ |
|
|
freed = sodopendfreel(so); |
freed = sodopendfreel(); |
|
|
/* |
/* |
* if some kva was freed, try again. |
* if some kva was freed, try again. |
Line 292 sodoloanfree(struct vm_page **pgs, caddr |
|
Line 285 sodoloanfree(struct vm_page **pgs, caddr |
|
} |
} |
|
|
static size_t |
static size_t |
sodopendfree(struct socket *so) |
sodopendfree() |
{ |
{ |
int s; |
int s; |
size_t rv; |
size_t rv; |
|
|
s = splvm(); |
s = splvm(); |
simple_lock(&so_pendfree_slock); |
simple_lock(&so_pendfree_slock); |
rv = sodopendfreel(so); |
rv = sodopendfreel(); |
simple_unlock(&so_pendfree_slock); |
simple_unlock(&so_pendfree_slock); |
splx(s); |
splx(s); |
|
|
Line 315 sodopendfree(struct socket *so) |
|
Line 308 sodopendfree(struct socket *so) |
|
*/ |
*/ |
|
|
static size_t |
static size_t |
sodopendfreel(struct socket *so) |
sodopendfreel() |
{ |
{ |
size_t rv = 0; |
size_t rv = 0; |
|
|
Line 439 sosend_loan(struct socket *so, struct ui |
|
Line 432 sosend_loan(struct socket *so, struct ui |
|
return (space); |
return (space); |
} |
} |
|
|
|
static int |
|
sokva_reclaim_callback(struct callback_entry *ce, void *obj, void *arg) |
|
{ |
|
|
|
KASSERT(ce == &sokva_reclaimerentry); |
|
KASSERT(obj == NULL); |
|
|
|
sodopendfree(); |
|
if (!vm_map_starved_p(kernel_map)) { |
|
return CALLBACK_CHAIN_ABORT; |
|
} |
|
return CALLBACK_CHAIN_CONTINUE; |
|
} |
|
|
|
void |
|
soinit(void) |
|
{ |
|
|
|
/* Set the initial adjusted socket buffer size. */ |
|
if (sb_max_set(sb_max)) |
|
panic("bad initial sb_max value: %lu", sb_max); |
|
|
|
callback_register(&vm_map_to_kernel(kernel_map)->vmk_reclaim_callback, |
|
&sokva_reclaimerentry, NULL, sokva_reclaim_callback); |
|
} |
|
|
/* |
/* |
* Socket operation routines. |
* Socket operation routines. |
* These routines are called by the routines in |
* These routines are called by the routines in |
Line 459 socreate(int dom, struct socket **aso, i |
|
Line 478 socreate(int dom, struct socket **aso, i |
|
prp = pffindproto(dom, proto, type); |
prp = pffindproto(dom, proto, type); |
else |
else |
prp = pffindtype(dom, type); |
prp = pffindtype(dom, type); |
if (prp == 0 || prp->pr_usrreq == 0) |
if (prp == 0) { |
|
/* no support for domain */ |
|
if (pffinddomain(dom) == 0) |
|
return (EAFNOSUPPORT); |
|
/* no support for socket type */ |
|
if (proto == 0 && type != 0) |
|
return (EPROTOTYPE); |
|
return (EPROTONOSUPPORT); |
|
} |
|
if (prp->pr_usrreq == 0) |
return (EPROTONOSUPPORT); |
return (EPROTONOSUPPORT); |
if (prp->pr_type != type) |
if (prp->pr_type != type) |
return (EPROTOTYPE); |
return (EPROTOTYPE); |
Line 705 sodisconnect(struct socket *so) |
|
Line 733 sodisconnect(struct socket *so) |
|
(struct lwp *)0); |
(struct lwp *)0); |
bad: |
bad: |
splx(s); |
splx(s); |
sodopendfree(so); |
sodopendfree(); |
return (error); |
return (error); |
} |
} |
|
|
Line 737 sosend(struct socket *so, struct mbuf *a |
|
Line 765 sosend(struct socket *so, struct mbuf *a |
|
int error, s, dontroute, atomic; |
int error, s, dontroute, atomic; |
|
|
p = l->l_proc; |
p = l->l_proc; |
sodopendfree(so); |
sodopendfree(); |
|
|
clen = 0; |
clen = 0; |
atomic = sosendallatonce(so) || top; |
atomic = sosendallatonce(so) || top; |
Line 955 soreceive(struct socket *so, struct mbuf |
|
Line 983 soreceive(struct socket *so, struct mbuf |
|
flags = 0; |
flags = 0; |
|
|
if ((flags & MSG_DONTWAIT) == 0) |
if ((flags & MSG_DONTWAIT) == 0) |
sodopendfree(so); |
sodopendfree(); |
|
|
if (flags & MSG_OOB) { |
if (flags & MSG_OOB) { |
m = m_get(M_WAIT, MT_DATA); |
m = m_get(M_WAIT, MT_DATA); |